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JP3266531B2 - Rotary atomizing head - Google Patents

Rotary atomizing head

Info

Publication number
JP3266531B2
JP3266531B2 JP35719996A JP35719996A JP3266531B2 JP 3266531 B2 JP3266531 B2 JP 3266531B2 JP 35719996 A JP35719996 A JP 35719996A JP 35719996 A JP35719996 A JP 35719996A JP 3266531 B2 JP3266531 B2 JP 3266531B2
Authority
JP
Japan
Prior art keywords
atomizing head
hub
peripheral surface
ring
hub member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP35719996A
Other languages
Japanese (ja)
Other versions
JPH09234393A (en
Inventor
将俊 近
英嗣 松田
Original Assignee
エービービー株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by エービービー株式会社 filed Critical エービービー株式会社
Priority to JP35719996A priority Critical patent/JP3266531B2/en
Publication of JPH09234393A publication Critical patent/JPH09234393A/en
Application granted granted Critical
Publication of JP3266531B2 publication Critical patent/JP3266531B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
    • B05B3/1064Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces the liquid or other fluent material to be sprayed being axially supplied to the rotating member through a hollow rotating shaft

Landscapes

  • Nozzles (AREA)
  • Electrostatic Spraying Apparatus (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、例えば車体等の被
塗物に塗装を行なう塗装機に用いて好適な回転霧化頭に
関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary atomizing head suitable for use in a coating machine for coating an object such as a vehicle body.

【0002】[0002]

【従来の技術】一般に、自動車の車体等の被塗物に塗装
を行なう塗装機としては回転霧化頭を用いた塗装機が広
く知られており、この回転霧化頭は筒形ないしベル形を
なし、高速回転することにより塗装機本体側から供給さ
れる塗料を霧化し、被塗物に塗着させるものである。そ
こで、このベル型回転霧化頭を用いた塗装機(以下、回
転霧化頭型塗装機という)について説明する。
2. Description of the Related Art Generally, a coating machine using a rotary atomizing head is widely known as a coating machine for coating an object to be coated such as an automobile body, and the rotary atomizing head has a cylindrical or bell shape. The coating material supplied from the coating machine main body is atomized by high-speed rotation, and is applied to an object to be coated. Accordingly, a coating machine using the bell type rotary atomizing head (hereinafter, referred to as a rotary atomizing head type coating machine) will be described.

【0003】まず、図16に第1の従来技術を示す。1
00は回転霧化頭で、該回転霧化頭100は霧化頭本体
101と該霧化頭本体101内に設けられたハブ部材1
02とから大略構成され、該霧化頭本体101とハブ部
材102とは止めねじ103によって固定されている。
104は塗装機のハウジング、105は回転軸を示し、
該回転軸105の先端に回転霧化頭100が取付けら
れ、該回転霧化頭100には塗料チューブ106から塗
料が供給されるようになっている。
FIG. 16 shows a first conventional technique. 1
Reference numeral 00 denotes a rotary atomizing head. The rotary atomizing head 100 includes an atomizing head body 101 and a hub member 1 provided in the atomizing head body 101.
The atomizing head main body 101 and the hub member 102 are fixed by set screws 103.
104 is a housing of the coating machine, 105 is a rotating shaft,
A rotary atomizing head 100 is attached to the tip of the rotating shaft 105, and paint is supplied to the rotary atomizing head 100 from a paint tube 106.

【0004】次に、図17は第2の従来技術を示す。2
00は回転霧化頭を示し、該回転霧化頭200は霧化頭
本体201と該霧化頭本体201内に設けられたハブ部
材202とから構成され、該霧化頭本体201とハブ部
材202とはねじ部203によって固定されている。2
04は塗装機のハウジング、205は回転軸を示し、該
回転軸205の先端に回転霧化頭200が取付けられ、
該回転霧化頭200には前記回転軸205内を伸長して
設けられた塗料チューブ206から塗料が供給されるよ
うになっている。
FIG. 17 shows a second prior art. 2
Reference numeral 00 denotes a rotary atomizing head. The rotary atomizing head 200 includes an atomizing head main body 201 and a hub member 202 provided in the atomizing head main body 201. The atomizing head main body 201 and the hub member 202 is fixed by a screw portion 203. 2
04 is a housing of the coating machine, 205 is a rotary shaft, and a rotary atomizing head 200 is attached to the tip of the rotary shaft 205;
Paint is supplied to the rotary atomizing head 200 from a paint tube 206 provided extending in the rotary shaft 205.

【0005】[0005]

【発明が解決しようとする課題】ところで、この種の回
転霧化頭は、多数色の塗料を色替しながら塗装するもの
であるから、霧化頭本体とハブ部材を分解して洗浄し、
再び組立して使用する場合がある。
In this type of rotary atomizing head, since a large number of paints are applied while changing colors, the atomizing head main body and the hub member are disassembled and washed.
It may be assembled and used again.

【0006】然るに、第1の従来技術によるものでは、
霧化頭本体101とハブ部材102とを止めねじ103
によって固定し、第2の従来技術では、霧化頭本体20
1とハブ部材202とをねじ部203によって固定して
いる。従って、回転霧化頭100,200の洗浄時に
は、止めねじ103、ねじ部203を緩めたり締めつけ
たりすることにより、霧化頭本体101,201とハブ
部材102,202を分解し、洗浄が終わったら再組立
することができる。しかし、いずれの従来技術において
も止めねじ103やねじ部203を緩めたり締めつける
ためには、別途工具が必要になる上に、分解、組立に時
間を要するという問題がある。
However, according to the first prior art,
Set screw 103 with atomizing head main body 101 and hub member 102
And in the second prior art, the atomizing head body 20
1 and the hub member 202 are fixed by a screw portion 203. Therefore, at the time of cleaning the rotary atomizing heads 100 and 200, the atomizing head main bodies 101 and 201 and the hub members 102 and 202 are disassembled by loosening or tightening the set screw 103 and the screw portion 203. Can be reassembled. However, in any of the conventional techniques, there is a problem that in order to loosen or tighten the set screw 103 or the screw portion 203, an additional tool is required, and time is required for disassembly and assembly.

【0007】また、昨今の回転霧化頭型塗装機では、塗
装品質を向上するために回転霧化頭を例えば20000
rpm以上の高速で回転し、噴霧塗料の微細化を図るよ
うにしている。従って、回転霧化頭には、常に軸線に対
して芯ぶれすることなく回転するように高精度な回転バ
ランスが必要となる。
[0007] In a recent rotary atomizing head type coating machine, a rotary atomizing head is, for example, 20,000 to improve coating quality.
It rotates at a high speed of rpm or more to make the spray paint finer. Therefore, the rotary atomizing head requires a high-precision rotational balance so that the rotary atomizing head always rotates without misalignment with respect to the axis.

【0008】しかし、前述した各従来技術のように、霧
化頭本体101,201とハブ部材102,202とを
着脱可能とすると、予め回転霧化頭100,200の回
転バランスを調整しても、再組立時には、ねじの締めつ
け強さ等によって回転バランスに狂いが生じてしまう。
このため、回転霧化頭100,200の回転バランスを
再調整しなくてはならず、多大な時間や費用を要すると
いう問題がある。
However, when the atomizing head main bodies 101 and 201 and the hub members 102 and 202 are made detachable as in each of the prior arts described above, even if the rotational balance of the rotary atomizing heads 100 and 200 is adjusted in advance. At the time of reassembly, the rotation balance is deviated due to the tightening strength of the screws.
For this reason, there is a problem that it is necessary to readjust the rotational balance of the rotary atomizing heads 100 and 200, which requires much time and cost.

【0009】そこで、霧化頭本体とハブ部材とを、ピン
や圧入等の手段によって分解不可能に固定し、回転霧化
頭の回転バランスを製造時の状態で維持することが考え
られる。しかし、この場合には回転霧化頭に塗料が付着
し、固まってしまっても各部に付着した塗料を容易に洗
浄することができなくなるという問題がある。
Therefore, it is conceivable to fix the atomizing head body and the hub member in such a manner that the atomizing head body and the hub member cannot be disassembled by means such as pins or press-fitting, and to maintain the rotational balance of the rotary atomizing head in the state of manufacture. However, in this case, there is a problem in that the paint adheres to the rotary atomizing head and even if it hardens, the paint adhered to each part cannot be easily washed.

【0010】本発明は上述した従来技術の問題に鑑みな
されたもので、霧化頭本体とハブ部材を容易に分解、洗
浄、組立ができ、また再組立の後にも回転霧化頭の回転
バランスを維持できるようにした回転霧化頭を提供する
ことを目的とする。
SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems in the prior art, and enables the disassembly, cleaning, and assembly of the atomizing head body and the hub member to be easily performed. It is an object of the present invention to provide a rotary atomizing head capable of maintaining a rotary atomization.

【0011】[0011]

【課題を解決するための手段】上述した課題を解決する
ために、請求項1の発明による回転霧化頭は、筒形ない
しベル形に形成され、後部側が回転軸に取付けるための
回転軸取付部となると共に、前部側の内周面が放出端縁
に向けて塗料を薄膜化する塗料薄膜化面となり、該塗料
薄膜化面の奥所にハブ嵌合段部が設けられた霧化頭本体
と、後面側が塗料受面となった蓋部と該蓋部から筒状に
延び前記霧化頭本体のハブ嵌合段部に着脱可能に嵌合さ
れる筒部とから有蓋筒状体をなし、前記塗料受面に供給
された塗料を前記霧化頭本体の塗料薄膜化面に流出する
塗料流出孔が穿設されたハブ部材と、前記霧化頭本体の
ハブ嵌合段部内周面または前記ハブ部材の筒部外周面に
設けられたリング嵌着溝と、該リング嵌着溝に嵌着さ
れ、前記霧化頭本体のハブ嵌合段部に前記ハブ部材の筒
体を嵌合させた状態で該ハブ部材を弾性力によって着脱
可能に保持する弾性リングとから構成してなる。
In order to solve the above-mentioned problems, a rotary atomizing head according to the first aspect of the present invention is formed in a cylindrical or bell shape, and has a rear side mounted on a rotary shaft for mounting on a rotary shaft. And an inner peripheral surface on the front side becomes a paint thinning surface for thinning the paint toward the discharge edge, and a hub fitting step portion is provided at a depth of the paint thinning surface. A headed cylindrical body comprising a head body, a lid part having a paint receiving surface on the rear side, and a cylindrical part extending in a cylindrical shape from the lid part and detachably fitted to a hub fitting step of the atomizing head body. A hub member provided with a paint outflow hole through which paint supplied to the paint receiving surface flows out to the paint thinning surface of the atomization head main body, and a hub fitting step inner periphery of the atomization head main body. A ring fitting groove provided on a surface or a cylindrical portion outer peripheral surface of the hub member; and the atomizing head main body fitted in the ring fitting groove. Formed by composed of an elastic ring for detachably holding said hub member by an elastic force in a state where the fitting the cylindrical body of the hub member to the hub fitting stepped portion.

【0012】このように構成したことにより、霧化頭本
体のハブ嵌合段部内にハブ部材の筒部を嵌合させたとき
には、リング嵌着溝内に嵌着された弾性リングがハブ嵌
合段部と筒部との間で弾性変形して霧化頭本体に対して
ハブ部材を弾性力で抜止めしている。このため、別途工
具を用いることなく霧化頭本体とハブ部材を分解し、再
組立することができる。また、霧化頭本体のハブ嵌合段
部にハブ部材の筒部を弾性リングで弾性的に保持するこ
とにより、回転霧化頭を高速回転した場合に、霧化頭本
体の回転中心に対し、ハブ部材の回転中心を合せること
ができる。
With this configuration, when the tubular portion of the hub member is fitted into the hub fitting step of the atomizing head body, the elastic ring fitted in the ring fitting groove is fitted to the hub fitting. The hub member is elastically deformed between the step portion and the cylindrical portion to prevent the hub member from being pulled out of the atomizing head main body by elastic force. For this reason, the atomization head body and the hub member can be disassembled and reassembled without using a separate tool. Also, by holding the cylindrical portion of the hub member elastically with an elastic ring at the hub fitting step of the atomizing head body, when the rotary atomizing head is rotated at high speed, , The center of rotation of the hub member can be adjusted.

【0013】請求項2の発明による回転霧化頭は、筒形
ないしベル形に形成され、後部側が回転軸に取付けるた
めの回転軸取付部となると共に、前部側の内周面が放出
端縁に向けて塗料を薄膜化する塗料薄膜化面となり、該
塗料薄膜化面の奥所にハブ嵌合段部が設けられた霧化頭
本体と、後面側が塗料受面となった蓋部と該蓋部から筒
状に延び前記霧化頭本体のハブ嵌合段部に着脱可能に嵌
合される筒部とから有蓋筒状体をなし、前記塗料受面に
供給された塗料を前記霧化頭本体の塗料薄膜化面に流出
する塗料流出孔が穿設されたハブ部材と、前記霧化頭本
体のハブ嵌合段部内周面と前記ハブ部材の筒部外周面と
のうちの一方の面に設けられたリング嵌着溝と、該リン
グ嵌着溝に嵌着され、前記霧化頭本体のハブ嵌合段部に
前記ハブ部材の筒体を嵌合させた状態で該ハブ部材を弾
性力によって着脱可能に保持する弾性リングと、該弾性
リングによって前記ハブ部材を保持した状態で該ハブ部
材の抜止めを図るために、前記リング嵌着溝と対向して
前記霧化頭本体のハブ嵌合段部内周面と前記ハブ部材の
筒部外周面とのうちの他方の面に設けられたリング係合
面とから構成してなる。
The rotary atomizing head according to the second aspect of the present invention is formed in a cylindrical or bell shape, the rear side of which serves as a rotary shaft mounting portion for mounting on a rotary shaft, and the front inner peripheral surface has a discharge end. An atomizing head body provided with a paint thinning surface for thinning the paint toward the edge, a hub fitting step portion provided at the back of the paint thinning surface, and a lid portion having a paint receiving surface on the rear side. A tubular portion extending cylindrically from the lid portion and detachably fitted to the hub fitting step portion of the atomizing head main body to form a covered tubular body, and coating the paint supplied to the paint receiving surface with the mist. A hub member provided with a paint outflow hole flowing out to the paint thinning surface of the atomizing head main body; and one of an inner peripheral surface of a hub fitting step portion of the atomizing head main body and an outer peripheral surface of a cylindrical portion of the hub member. A ring-fitting groove provided on the surface of the atomizing head, and a tube of the hub member fitted to the hub-fitting step of the atomizing head main body. An elastic ring for detachably holding the hub member by an elastic force in a state where the hub member is fitted, and the ring fitting for preventing the hub member from being detached while the hub member is held by the elastic ring. It comprises a ring engaging surface provided on the other surface of the hub fitting step inner peripheral surface of the atomizing head main body and the cylindrical outer peripheral surface of the hub member opposite to the groove.

【0014】このように構成したことにより、霧化頭本
体のハブ嵌合段部内にハブ部材の筒部を嵌合させたとき
には、リング嵌着溝内に嵌着された弾性リングがハブ嵌
合段部と筒部との間で弾性変形して霧化頭本体に対して
ハブ部材を弾性力で抜止めしている。このため、別途工
具を用いることなく霧化頭本体とハブ部材を分解し、再
組立することができる。また、霧化頭本体のハブ嵌合段
部にハブ部材の筒部を嵌合させた状態ではリング係合面
が弾性リングに係合するから、該弾性リングの抵抗力に
より、該ハブ部材の抜止めを図ることができる。さら
に、霧化頭本体のハブ嵌合段部にハブ部材の筒部を弾性
リングで弾性的に保持することにより、回転霧化頭を高
速回転した場合に、霧化頭本体の回転中心に対し、ハブ
部材の回転中心を合せることができる。
With this configuration, when the cylindrical portion of the hub member is fitted into the hub fitting step of the atomizing head main body, the elastic ring fitted in the ring fitting groove is fitted to the hub fitting. The hub member is elastically deformed between the step portion and the cylindrical portion to prevent the hub member from being pulled out of the atomizing head main body by elastic force. For this reason, the atomization head body and the hub member can be disassembled and reassembled without using a separate tool. Further, in a state where the cylindrical portion of the hub member is fitted to the hub fitting step portion of the atomizing head main body, the ring engaging surface is engaged with the elastic ring. The retention can be achieved. Furthermore, by holding the cylindrical portion of the hub member elastically with an elastic ring at the hub fitting step portion of the atomization head body, when the rotating atomization head is rotated at high speed, the rotation center of the atomization head body is , The center of rotation of the hub member can be adjusted.

【0015】請求項3の発明は、リング係合面は、霧化
頭本体のハブ嵌合段部内周面に環状拡径溝部を設けるこ
とにより、当該内周面と環状拡径溝部との間の傾斜面と
して形成したことにある。
According to a third aspect of the present invention, the ring engaging surface is provided between the inner peripheral surface and the annular enlarged groove by providing the annular enlarged groove on the inner peripheral surface of the hub fitting step portion of the atomizing head body. Is formed as an inclined surface.

【0016】このように構成したことにより、霧化頭本
体のハブ嵌合段部内にハブ部材の筒部が嵌合すると、環
状拡径溝部内に弾性リングが嵌入し、該弾性リングが傾
斜面として形成されたリング係合面に圧接、係合するか
ら、該弾性リングの抵抗力でハブ部材を抜止めできる。
With this configuration, when the cylindrical portion of the hub member is fitted into the hub fitting step of the atomizing head body, the elastic ring is fitted into the annular enlarged groove, and the elastic ring is inclined. The hub member can be prevented from coming off by the resistance force of the elastic ring because it is pressed against and engaged with the ring engaging surface formed as above.

【0017】請求項4の発明は、リング係合面は、ハブ
部材の筒部外周面に環状縮径溝部を設けることにより、
当該外周面と環状縮径溝部との間の傾斜面として形成し
たことにある。
According to a fourth aspect of the present invention, the ring engaging surface is provided with an annular reduced-diameter groove on the outer peripheral surface of the cylindrical portion of the hub member.
It is formed as an inclined surface between the outer peripheral surface and the annular reduced-diameter groove portion.

【0018】このように構成したことにより、霧化頭本
体のハブ嵌合段部内にハブ部材の筒部が嵌合すると、環
状縮径溝部内に弾性リングが嵌入し、該弾性リングが傾
斜面として形成されたリング係合面に圧接、係合するか
ら、該弾性リングの抵抗力でハブ部材を抜止めできる。
With this configuration, when the cylindrical portion of the hub member is fitted into the hub fitting step of the atomizing head main body, the elastic ring is fitted into the annular reduced-diameter groove, and the elastic ring is inclined. The hub member can be prevented from coming off by the resistance force of the elastic ring because it is pressed against and engaged with the ring engaging surface formed as above.

【0019】請求項5の発明は、霧化頭本体のハブ嵌合
段部はその底面を回転中心に向って傾斜した傾斜底面と
して形成し、ハブ部材の筒部はその後端面を該傾斜底面
に対応した傾斜後端面として形成したことにある。
According to a fifth aspect of the present invention, the hub fitting step portion of the atomizing head body is formed as an inclined bottom surface whose bottom surface is inclined toward the center of rotation, and the cylindrical portion of the hub member has its rear end surface formed on the inclined bottom surface. It is formed as a corresponding inclined rear end face.

【0020】このように構成したことにより、霧化頭本
体のハブ嵌合段部にハブ部材の筒部を嵌合させ、該ハブ
嵌合段部の傾斜底面に前記筒部の傾斜後端面を当接させ
ると、ハブ部材はその傾斜後端面によって霧化頭本体の
回転中心に配向されるから、該ハブ部材を霧化頭本体の
回転中心に自動的に位置決めできる。
With this configuration, the cylindrical portion of the hub member is fitted to the hub fitting step of the atomizing head main body, and the inclined rear end face of the cylindrical portion is fitted to the inclined bottom surface of the hub fitting step. When abutted, the hub member is oriented to the center of rotation of the atomizing head body by its inclined rear end face, so that the hub member can be automatically positioned at the center of rotation of the atomizing head body.

【0021】請求項6の発明は、霧化頭本体のハブ嵌合
段部はその内周面を回転中心に向って傾斜した傾斜内周
面として形成し、ハブ部材の筒部はその外周面を該傾斜
内周面に対応した傾斜外周面として形成したことにあ
る。
According to a sixth aspect of the present invention, the hub fitting step portion of the atomizing head main body is formed as an inclined inner peripheral surface whose inner peripheral surface is inclined toward the center of rotation, and the cylindrical portion of the hub member has an outer peripheral surface thereof. Is formed as an inclined outer peripheral surface corresponding to the inclined inner peripheral surface.

【0022】このように構成したことにより、霧化頭本
体のハブ嵌合段部にハブ部材の筒部を嵌合させ、該ハブ
嵌合段部の傾斜内周面に前記筒部の傾斜外周面を当接さ
せるとハブ部材はその傾斜外周面によって霧化頭本体の
回転中心に配向されるから、該ハブ部材を霧化頭本体の
回転中心に自動的に位置決めできる。
With this configuration, the cylindrical portion of the hub member is fitted to the hub fitting step of the atomizing head body, and the inclined outer peripheral surface of the cylindrical portion is fitted to the inclined inner peripheral surface of the hub fitting step. When the surfaces abut, the hub member is oriented to the center of rotation of the atomizing head body by the inclined outer peripheral surface, so that the hub member can be automatically positioned at the center of rotation of the atomizing head body.

【0023】請求項7の発明のように、ハブ部材の筒部
外周面にリング嵌着溝を設け、霧化頭本体のハブ嵌合段
部内周面にリング係合面を設けてもよい。
The ring fitting groove may be provided on the outer peripheral surface of the cylindrical portion of the hub member, and the ring engaging surface may be provided on the inner peripheral surface of the hub fitting step of the atomizing head body.

【0024】また、請求項8の発明のように、霧化頭本
体のハブ嵌合段部内周面にリング嵌着溝を設け、ハブ部
材の筒部外周面にリング係合面を設けてもよい。
Further, the ring fitting groove may be provided on the inner peripheral surface of the hub fitting step portion of the atomizing head body, and the ring engaging surface may be provided on the outer peripheral surface of the cylindrical portion of the hub member. Good.

【0025】請求項9の発明のように、ハブ部材の筒部
外周面にリング嵌着溝を設け、霧化頭本体のハブ嵌合段
部内周面にリング係合面を設けると共に、霧化頭本体の
ハブ嵌合段部はその底面を回転中心に向って傾斜した傾
斜底面として形成し、ハブ部材の筒部はその後端面を該
傾斜底面に対応した傾斜後端面として形成してもよい。
According to the ninth aspect of the present invention, a ring fitting groove is provided on the outer peripheral surface of the cylindrical portion of the hub member, and a ring engaging surface is provided on the inner peripheral surface of the step fitting portion of the hub of the atomizing head body. The hub fitting step of the head body may be formed as an inclined bottom surface whose bottom surface is inclined toward the center of rotation, and the tubular portion of the hub member may be formed with its rear end surface as an inclined rear end surface corresponding to the inclined bottom surface.

【0026】また、請求項10の発明のように、霧化頭
本体のハブ嵌合段部内周面にリング嵌着溝を設け、ハブ
部材の筒部外周面にリング係合面を設けると共に、霧化
頭本体のハブ嵌合段部はその底面を回転中心に向って傾
斜した傾斜底面として形成し、ハブ部材の筒部はその後
端面を該傾斜底面に対応した傾斜後端面として形成して
もよい。
According to a tenth aspect of the present invention, a ring fitting groove is provided on the inner peripheral surface of the hub fitting step portion of the atomizing head body, and a ring engaging surface is provided on the outer peripheral surface of the cylindrical portion of the hub member. The hub fitting step portion of the atomization head body may be formed as an inclined bottom surface whose bottom surface is inclined toward the center of rotation, and the cylindrical portion of the hub member may be formed with its rear end surface as an inclined rear end surface corresponding to the inclined bottom surface. Good.

【0027】請求項11の発明のように、ハブ部材の筒
部外周面にリング嵌着溝を設け、霧化頭本体のハブ嵌合
段部内周面にリング係合面を設けると共に、霧化頭本体
のハブ嵌合段部はその内周面を回転中心に向って傾斜し
た傾斜内周面として形成し、ハブ部材の筒部はその外周
面を該傾斜内周面に対応した傾斜外周面として形成して
もよい。
According to the eleventh aspect of the present invention, a ring fitting groove is provided on the outer peripheral surface of the cylindrical portion of the hub member, and a ring engaging surface is provided on the inner peripheral surface of the hub fitting step portion of the atomizing head body. The hub fitting step of the head body is formed as an inclined inner peripheral surface whose inner peripheral surface is inclined toward the center of rotation, and the cylindrical portion of the hub member has its outer peripheral surface inclined at an outer peripheral surface corresponding to the inclined inner peripheral surface. It may be formed as.

【0028】また、請求項12の発明のように、霧化頭
本体のハブ嵌合段部内周面にリング嵌着溝を設け、ハブ
部材の筒部外周面にリング係合面を設けると共に、霧化
頭本体のハブ嵌合段部はその内周面を回転中心に向って
傾斜した傾斜内周面として形成し、ハブ部材の筒部はそ
の外周面を該傾斜内周面に対応した傾斜外周面として形
成してもよい。
According to a twelfth aspect of the present invention, a ring fitting groove is provided on the inner peripheral surface of the hub fitting step portion of the atomizing head body, and a ring engaging surface is provided on the outer peripheral surface of the cylindrical portion of the hub member. The hub fitting step portion of the atomization head body is formed as an inclined inner peripheral surface whose inner peripheral surface is inclined toward the center of rotation, and the cylindrical portion of the hub member has its outer peripheral surface inclined corresponding to the inclined inner peripheral surface. It may be formed as an outer peripheral surface.

【0029】[0029]

【発明の実施の形態】以下、本発明の実施の形態による
回転霧化頭を添付図面に従って詳述する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a rotary atomizing head according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

【0030】まず、図1ないし図3に本発明の第1の実
施例を示す。
First, FIGS. 1 to 3 show a first embodiment of the present invention.

【0031】図中、1は本実施例による回転霧化頭を示
し、該回転霧化頭1は、後述する霧化頭本体2、ハブ部
材5およびOリング11から構成されている。
In the figure, reference numeral 1 denotes a rotary atomizing head according to the present embodiment. The rotary atomizing head 1 comprises an atomizing head main body 2, a hub member 5, and an O-ring 11, which will be described later.

【0032】2は回転霧化頭1の外形をなす霧化頭本体
で、該霧化頭本体2は回転中心となる軸線O−Oを有
し、その後部側が回転軸(図示せず)に螺着される回転
軸取付部2Aとなり、前部側が漸次拡開することによっ
て全体としてベル状に形成されている。ここで、霧化頭
本体2の前部側内周は、前端に向けて漸次拡開する塗料
薄膜化面2Bとなり、また、霧化頭本体2の前端は塗料
薄膜化面2Bに連続した放出端縁2Cとなっている。そ
して、回転霧化頭1が高速回転している状態で、後述の
第1のハブ孔9から塗料薄膜化面2Bに供給された塗料
は、該塗料薄膜化面2Bで薄膜化された後、放出端縁2
Cから液糸として放出され、この液糸は塗料粒子として
噴霧される。
Reference numeral 2 denotes an atomizing head main body which forms the outer shape of the rotary atomizing head 1. The atomizing head main body 2 has an axis OO serving as a center of rotation, and a rear portion thereof is connected to a rotation shaft (not shown). The rotary shaft mounting portion 2A is screwed, and the front portion side is gradually expanded to form a bell shape as a whole. Here, the inner periphery of the front side of the atomizing head main body 2 becomes a paint thinning surface 2B gradually expanding toward the front end, and the front end of the atomizing head main body 2 is continuously discharged to the paint thinning surface 2B. It is the edge 2C. Then, in a state where the rotary atomizing head 1 is rotating at a high speed, the paint supplied to the paint thinning surface 2B from the first hub hole 9 described later is thinned on the paint thinning surface 2B. Release edge 2
C discharges as a liquid thread, which is sprayed as paint particles.

【0033】また、3は塗料薄膜化面2Bの奥所に位置
し、軸線O−Oを中心として霧化頭本体2内に形成され
たハブ嵌合段部を示し、該ハブ嵌合段部3は、図2に示
す如く内周面3Aと底面3Bとから前部側に向けて開口
する有底状に形成され、内周面3Aの内径寸法は後述す
る筒部7の外径寸法よりも僅かに大きくなっている。ま
た、前記内周面3Aには底面3B寄りに環状拡径溝部3
Cが形成され、該環状拡径溝部3Cと内周面3Aとの間
は後述のリング係合面4となっている。
Numeral 3 denotes a hub fitting step formed in the atomizing head main body 2 about the axis OO, which is located at the back of the paint thinning surface 2B. As shown in FIG. 2, the inner peripheral surface 3A is formed in a bottomed shape that opens toward the front from the inner peripheral surface 3A and the bottom surface 3B. Is also slightly larger. The inner peripheral surface 3A has an annular enlarged groove 3 near the bottom surface 3B.
C is formed, and between the annular enlarged-diameter groove portion 3C and the inner peripheral surface 3A is a ring engaging surface 4 described later.

【0034】4は前記ハブ嵌合段部3の内周面3Aに設
けられたリング係合面で、該リング係合面4は、前記内
周面3Aと環状拡径溝部3Cとの間に位置し、後部側
(底面3B側)に向けて漸次拡径する傾斜面状に形成さ
れている。これにより、リング係合面4にOリング11
が圧接されたときには、該Oリング11の弾性力によっ
てハブ部材5の筒部7を底面3B側に押付け、ハブ部材
5の抜止めを図るものである。
Reference numeral 4 denotes a ring engaging surface provided on the inner peripheral surface 3A of the hub fitting step 3. The ring engaging surface 4 is provided between the inner peripheral surface 3A and the annular enlarged groove 3C. It is formed in the shape of an inclined surface that gradually increases in diameter toward the rear side (the bottom surface 3B side). As a result, the O-ring 11
Is pressed against the bottom surface 3B of the hub member 5 by the elastic force of the O-ring 11, thereby preventing the hub member 5 from being pulled out.

【0035】5は霧化頭本体2内に軸線O−Oをもって
設けられたハブ部材を示し、該ハブ部材5は、前部側に
位置した略平板状の蓋部6と、該蓋部6の外周側から後
部側に延設された筒部7とから有蓋筒状に形成されてい
る。
Reference numeral 5 denotes a hub member provided in the atomizing head main body 2 with an axis OO. The hub member 5 has a substantially flat lid 6 located on the front side and a lid 6. And a cylindrical portion 7 extending from the outer peripheral side to the rear side.

【0036】ここで、前記蓋部6は前面6Aが平坦面と
なり、その後面側は塗料チューブ(図示せず)から吐
出、供給される塗料を霧化頭本体2の塗料薄膜化面2B
に向けて供給する塗料受面6Bとなっている。また、前
記筒部7は外周面7Aと後端面7Bとからなる筒状体を
なし、ハブ嵌合段部3内に嵌合されたときに外周面7A
が該ハブ嵌合段部3の内周面3Aと僅かな隙間を有した
状態で、後端面7Bがハブ嵌合段部3の底面3Bに当接
するものである。
Here, the lid 6 has a flat front surface 6A and a rear surface on which a paint discharged and supplied from a paint tube (not shown) is coated with a paint thinning surface 2B of the atomizing head body 2.
Is a paint receiving surface 6B to be supplied toward. The cylindrical portion 7 forms a cylindrical body including an outer peripheral surface 7A and a rear end surface 7B, and when the cylindrical portion 7 is fitted in the hub fitting step 3, the outer peripheral surface 7A is formed.
The rear end face 7B comes into contact with the bottom face 3B of the hub fitting step 3 in a state where there is a slight gap with the inner peripheral surface 3A of the hub fitting step 3.

【0037】8はハブ部材5を構成する筒部7の外周面
7Aに設けられたリング嵌着溝を示し、該リング嵌着溝
8はリング係合面4と対向する位置において、径方向外
向きに開口するように環状に凹設されている。そして、
リング嵌着溝8には後述のOリング11が嵌着されてい
る。
Numeral 8 denotes a ring fitting groove provided on the outer peripheral surface 7A of the cylindrical portion 7 constituting the hub member 5. The ring fitting groove 8 is located at a position facing the ring engaging surface 4 so as to be radially outward. It is annularly concave so as to open in the direction. And
An O-ring 11 described later is fitted in the ring fitting groove 8.

【0038】9,9,…は蓋部6寄りに位置して筒部7
を径方向に貫通するように周方向に多数個穿設された塗
料流出孔となる第1のハブ孔(2個のみ図示)で、該各
第1のハブ孔9は塗料チューブから塗料受面6Bに吐
出、供給された塗料を霧化頭本体2の塗料薄膜化面2B
側に流出するものである。
9, 9,... Are located near the lid 6 and
Are formed in a circumferential direction so as to penetrate through a plurality of the first hub holes (only two are shown). Each of the first hub holes 9 is connected to a paint receiving surface from a paint tube. 6B paint thinning surface 2B of atomization head body 2
It flows out to the side.

【0039】10,10,…はハブ部材5の蓋部6中央
に複数設けられた第2のハブ孔(2個のみ図示)で、該
各第2のハブ孔10は、塗料受面6Bから前面6Aに連
通して穿設されている。そして、各第2のハブ孔10は
前面6Aに付着した塗料を洗浄するときに、洗浄液とな
るシンナを前面6A側に供給する通路となっている。な
お、第2のハブ孔10は蓋部6の前面6Aを洗浄するた
めに必要に応じて設けられるもので、該第2のハブ孔1
0は省略してもよい。
Reference numerals 10, 10,... Denote a plurality of second hub holes (only two are shown) provided at the center of the lid 6 of the hub member 5, and each of the second hub holes 10 extends from the paint receiving surface 6B. It is bored in communication with the front face 6A. Each second hub hole 10 is a passage for supplying a thinner serving as a cleaning liquid to the front surface 6A side when cleaning the paint adhered to the front surface 6A. The second hub hole 10 is provided as needed to clean the front surface 6A of the lid portion 6, and the second hub hole 1 is provided.
0 may be omitted.

【0040】11はハブ部材5の筒部7外周側に位置し
てリング嵌着溝8内に嵌着された弾性リングをなすOリ
ングを示し、該Oリング11は、弾性を有するゴム材料
から断面円形状のリングとして形成されている。そし
て、Oリング11はリング嵌着溝8に嵌着された状態で
はその一部が該リング嵌着溝8から外部に突出する大き
さの直径寸法に設定されている。
Reference numeral 11 denotes an O-ring which is located on the outer peripheral side of the cylindrical portion 7 of the hub member 5 and forms an elastic ring fitted in the ring fitting groove 8. The O-ring 11 is made of an elastic rubber material. It is formed as a ring having a circular cross section. When the O-ring 11 is fitted in the ring fitting groove 8, a part of the O-ring 11 is set to have a diameter dimension that protrudes outward from the ring fitting groove 8.

【0041】そして、Oリング11は、リング嵌着溝8
内に嵌着された状態で、ハブ部材5の筒部7が霧化頭本
体2のハブ嵌合段部3内に押込まれたときに、弾性変形
して該ハブ嵌合段部3内に筒部7が挿入されるのを許す
と共に、リング係合面4と圧接することによりハブ部材
5をハブ嵌合段部3内に弾性力により固定するものであ
る。また、Oリング11は、ハブ嵌合段部3内にハブ部
材5を弾性的に保持することにより、霧化頭本体2の回
転中心(軸線O−O)に対するハブ部材5の位置ずれを
小さく抑えるている。
The O-ring 11 is provided in the ring fitting groove 8.
When the cylindrical portion 7 of the hub member 5 is pushed into the hub fitting step portion 3 of the atomizing head main body 2 in a state of being fitted therein, it is elastically deformed into the hub fitting step portion 3. The cylindrical portion 7 is allowed to be inserted, and the hub member 5 is fixed to the hub fitting step portion 3 by elastic force by being pressed against the ring engaging surface 4. The O-ring 11 reduces the displacement of the hub member 5 with respect to the rotation center (the axis OO) of the atomizing head main body 2 by elastically holding the hub member 5 in the hub fitting step 3. I'm holding back.

【0042】本実施例による回転霧化頭1は上述の如き
構成を有するもので、次にその作用について述べる。
The rotary atomizing head 1 according to the present embodiment has the above-described configuration, and its operation will now be described.

【0043】まず、被塗物を塗装する場合には、回転軸
と共に回転霧化頭1を回転駆動した状態で、塗料チュー
ブからハブ部材5の塗料受面6Bに塗料を供給する。こ
の塗料受面6Bに供給された塗料は、遠心力により第1
のハブ孔9から霧化頭本体2の塗料薄膜化面2Bに流出
し、該塗料薄膜化面2Bで均一な薄膜状になり、放出端
縁2Cから液糸として噴霧された後、塗料粒子となって
被塗物に塗着する。
First, when painting the object to be coated, the paint is supplied from the paint tube to the paint receiving surface 6B of the hub member 5 while the rotary atomizing head 1 is driven to rotate together with the rotating shaft. The paint supplied to the paint receiving surface 6B is centrifugally applied to the first paint.
After flowing out from the hub hole 9 of the atomizing head body 2 to the paint thinning surface 2B of the atomizing head body 2, it becomes a uniform thin film on the paint thinning surface 2B, and is sprayed as a liquid thread from the discharge edge 2C. And apply it to the substrate.

【0044】一方、色替を行なう場合には、塗料に替え
てシンナを回転霧化頭1に供給し、第1のハブ孔9から
流出したシンナにより霧化頭本体2の塗料薄膜化面2
B、放出端縁2Cに付着した塗料を洗浄すると共に、第
2のハブ孔10から流出したシンナにより蓋部6の前面
6Aを洗浄する。
On the other hand, when performing color change, thinner is supplied to the rotary atomizing head 1 in place of paint, and the thinner paint thinning surface 2 of the atomizing head main body 2 is discharged by the thinner flowing out of the first hub hole 9.
B: The paint adhered to the discharge edge 2C is washed, and the front surface 6A of the lid 6 is washed with thinner flowing out of the second hub hole 10.

【0045】次に、例えば回転霧化頭1を入念に洗浄す
るために、霧化頭本体2からハブ部材5を分解し、再組
立する場合について説明する。
Next, a case where the hub member 5 is disassembled from the atomization head main body 2 and reassembled, for example, in order to thoroughly clean the rotary atomization head 1 will be described.

【0046】まず、回転霧化頭1を分解する場合には、
Oリング11の弾性力に抗してハブ部材5を前部側に向
けて押出す(引張る)ことにより、該Oリング11を弾
性変形させ、ハブ部材5の筒部7を霧化頭本体2のハブ
嵌合段部3から無理やりに抜取ることができる。
First, when disassembling the rotary atomizing head 1,
The O-ring 11 is elastically deformed by pushing (pulling) the hub member 5 toward the front side against the elastic force of the O-ring 11, and the cylindrical portion 7 of the hub member 5 is connected to the atomizing head main body 2. Can be forcibly removed from the hub fitting stepped portion 3.

【0047】次に、霧化頭本体2、ハブ部材5、Oリン
グ11の洗浄後に、回転霧化頭1を組立てる場合には、
ハブ部材5のリング嵌着溝8にOリング11を嵌入す
る。そして、筒部7を霧化頭本体2のハブ嵌合段部3に
挿入し、この状態で該ハブ部材5を霧化頭本体2に向け
て押付けることにより、Oリング11を弾性変形させて
筒部7をハブ嵌合段部3内に挿嵌する。このように、ハ
ブ部材5を挿嵌した状態では、Oリング11は、リング
係合面4によってハブ嵌合段部3の底面3B側に押圧さ
れるようになる。従って、ハブ部材5は、その筒部7の
後端面7Bがハブ嵌合段部3の底面3Bに押付けられた
状態で保持され、該ハブ部材5を引き抜こうとしてもO
リング11の抵抗力により霧化頭本体2に対して抜止め
される。
Next, when assembling the rotary atomizing head 1 after cleaning the atomizing head main body 2, the hub member 5, and the O-ring 11,
The O-ring 11 is fitted into the ring fitting groove 8 of the hub member 5. The O-ring 11 is elastically deformed by inserting the cylindrical portion 7 into the hub fitting step 3 of the atomizing head main body 2 and pressing the hub member 5 toward the atomizing head main body 2 in this state. Then, the cylindrical portion 7 is inserted into the hub fitting step portion 3. As described above, when the hub member 5 is inserted and fitted, the O-ring 11 is pressed by the ring engaging surface 4 toward the bottom surface 3B of the hub fitting step 3. Therefore, the hub member 5 is held in a state where the rear end surface 7B of the cylindrical portion 7 is pressed against the bottom surface 3B of the hub fitting step portion 3, and even if the hub member 5 is to be pulled out, the hub member 5 is pulled out.
The atomizing head main body 2 is prevented from coming off by the resistance of the ring 11.

【0048】さらに、ハブ部材5はハブ嵌合段部3内に
Oリング11の弾性力により保持されているから、霧化
頭本体2の回転中心(軸線O−O)に対するハブ部材5
の位置ずれを小さくでき、回転霧化頭1を高速回転させ
ても回転バランスを良好にできる。
Further, since the hub member 5 is held in the hub fitting step portion 3 by the elastic force of the O-ring 11, the hub member 5 with respect to the rotation center (the axis OO) of the atomizing head main body 2 is provided.
Can be reduced, and even if the rotary atomizing head 1 is rotated at high speed, the rotational balance can be improved.

【0049】かくして、本実施例によれば、ハブ部材5
の筒部7外周側に形成されたリング嵌着溝8に弾性を有
するゴム材料からなるOリング11を嵌着し、該ハブ部
材5の筒部7を霧化頭本体2のハブ嵌合段部3内に該O
リング11を用いて嵌合している。このため、本実施例
では、従来技術のようにねじを締めたり、締めたりする
作業を行なうことなく、ワンタッチで霧化頭本体2から
ハブ部材5を着脱することができる。
Thus, according to the present embodiment, the hub member 5
An O-ring 11 made of a rubber material having elasticity is fitted into a ring fitting groove 8 formed on the outer peripheral side of the cylindrical portion 7, and the cylindrical portion 7 of the hub member 5 is connected to the hub fitting step of the atomizing head main body 2. The O
It is fitted using a ring 11. For this reason, in this embodiment, the hub member 5 can be detached from the atomization head main body 2 with one touch without performing the work of tightening or tightening the screws as in the related art.

【0050】この結果、回転霧化頭1の分解,組立作業
を容易に行なうことができるから、製造時の組立性を高
めて生産性を向上できる。しかも、回転霧化頭1を入念
に洗浄する場合には、該回転霧化頭1を分解することに
より隅々まで容易に洗浄でき、洗浄作業等の作業性を向
上することができる。
As a result, the disassembling and assembling work of the rotary atomizing head 1 can be easily performed, so that the assemblability at the time of manufacturing can be enhanced and the productivity can be improved. In addition, when the rotary atomizing head 1 is carefully cleaned, the rotary atomizing head 1 can be easily cleaned to every corner by disassembling the head, thereby improving the workability of the cleaning operation and the like.

【0051】また、ハブ部材5の筒部7を霧化頭本体2
のハブ嵌合段部3内に挿嵌した状態では、Oリング11
がリング係合面4で押圧され、このOリング11によっ
て該ハブ部材5をハブ嵌合段部3の底面3B側に押圧す
ることができる。このため、Oリング11の抵抗力によ
り、回転霧化頭1の回転時においてハブ部材5が霧化頭
本体2から抜け落ちるのを確実に防止でき、回転霧化頭
1に対する信頼性を向上することができる。
The cylindrical portion 7 of the hub member 5 is connected to the atomizing head main body 2.
When the O-ring 11 is inserted into the hub fitting step 3 of FIG.
Is pressed by the ring engaging surface 4, and the O-ring 11 can press the hub member 5 toward the bottom surface 3 </ b> B of the hub fitting step 3. For this reason, the hub member 5 can be reliably prevented from falling off from the atomization head main body 2 during the rotation of the rotary atomization head 1 due to the resistance force of the O-ring 11, and the reliability of the rotary atomization head 1 is improved. Can be.

【0052】また、ハブ部材5をハブ嵌合段部3内にO
リング11の弾性力で保持することにより、回転霧化頭
1を高速回転する場合に、霧化頭本体2の回転中心に対
し、ハブ部材5の回転中心を合せることができる。即
ち、ハブ部材5を霧化頭本体2に対して調芯することが
できる。このため、回転霧化頭1の再組立後にも回転バ
ランスを良好にすることができ、回転バランスの再調整
作業を省略して組立作業性を大幅に向上できる。
Further, the hub member 5 is inserted into the hub fitting step 3 by O.
The rotation center of the hub member 5 can be aligned with the rotation center of the atomization head main body 2 when the rotary atomization head 1 is rotated at high speed by holding the ring 11 with the elastic force. That is, the hub member 5 can be aligned with the atomization head main body 2. For this reason, even after reassembly of the rotary atomizing head 1, the rotational balance can be improved, and the work of re-adjusting the rotational balance can be omitted, thereby greatly improving the assembling workability.

【0053】さらに、弾性リングとして市販のOリング
11を用いることができるから、小さな劣化や損傷に対
しても、容易に交換することができ、性能の維持やコス
トの低減を図ることができる。
Further, since a commercially available O-ring 11 can be used as the elastic ring, even if it is small deterioration or damage, it can be easily replaced, and the performance can be maintained and the cost can be reduced.

【0054】次に、図4および図5に本発明の第2の実
施例を示すに、本実施例の特徴は、Oリングを霧化頭本
体のハブ嵌合段部側に設けたことにある。なお、本実施
例では、前述した第1の実施例と同一の構成要素に同一
の符号を付し、その説明を省略するものとする。
Next, FIGS. 4 and 5 show a second embodiment of the present invention. The feature of this embodiment is that an O-ring is provided on the hub fitting step of the atomizing head main body. is there. In this embodiment, the same components as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

【0055】図中、21は本実施例による回転霧化頭を
示し、該回転霧化頭21は、後述する霧化頭本体22、
ハブ部材25およびOリング29から構成されている。
In the figure, reference numeral 21 denotes a rotary atomizing head according to the present embodiment.
It comprises a hub member 25 and an O-ring 29.

【0056】22は回転霧化頭21の外形をなし、軸線
O−Oを有する霧化頭本体、23は該霧化頭本体22の
内周側に軸線O−Oを中心として設けられたハブ嵌合段
部をそれぞれ示す。
Reference numeral 22 denotes an outer shape of the rotary atomizing head 21 and an atomizing head body having an axis OO. Reference numeral 23 denotes a hub provided on the inner peripheral side of the atomizing head body 22 with the axis OO as a center. The fitting step is shown.

【0057】ここで、前記霧化頭本体22は、第1の実
施例による霧化頭本体2と同様に、後部側が回転軸取付
部22Aとなり、前部内周側が塗料薄膜化面22Bとな
ると共に、前端が放出端縁22Cとなり、全体としてベ
ル形状に形成されている。
The atomizing head main body 22 is, like the atomizing head main body 2 according to the first embodiment, a rotary shaft mounting portion 22A on the rear side and a paint thinning surface 22B on the front inner circumferential side. , The front end becomes a discharge end edge 22C, and is formed in a bell shape as a whole.

【0058】また、前記ハブ嵌合段部23は、図5に示
す如く前記第1の実施例で述べたハブ嵌合段部3とほぼ
同様に、内周面23Aと底面23Bとから前部側に向け
て開口する有底状に形成されている。しかし、本実施例
によるハブ嵌合段部23は、その内周面23Aに後述の
リング嵌着溝24が形成されている点で第1の実施例に
よるものと相違している。
Further, as shown in FIG. 5, the hub fitting step 23 is substantially similar to the hub fitting step 3 described in the first embodiment in that the hub fitting step 23 has an inner peripheral surface 23A and a bottom surface 23B. It is formed in a bottomed shape that opens toward the side. However, the hub fitting step portion 23 according to the present embodiment is different from that according to the first embodiment in that a ring fitting groove 24 described later is formed on the inner peripheral surface 23A.

【0059】24はハブ嵌合段部23の内周面23Aに
設けられたリング嵌着溝を示し、該リング嵌着溝24は
後述のリング係合面28と対向する位置において、径方
向内向きに開口するように環状に凹設されている。そし
て、リング嵌着溝24には後述のOリング29が嵌着さ
れている。
Numeral 24 denotes a ring fitting groove provided on the inner peripheral surface 23A of the hub fitting step portion 23. The ring fitting groove 24 is located at a position facing a ring engaging surface 28 which will be described later. It is annularly concave so as to open in the direction. An O-ring 29 described later is fitted in the ring fitting groove 24.

【0060】25は霧化頭本体22内に軸線O−Oをも
って設けられたハブ部材を示し、該ハブ部材25は、第
1の実施例によるハブ部材5と同様に、前部側に位置し
た略平板状の蓋部26と、該蓋部26の外周側から後部
側に延設された筒部27とから有蓋筒状に形成されてい
る。
Numeral 25 denotes a hub member provided with an axis OO in the atomizing head main body 22, and the hub member 25 is located on the front side similarly to the hub member 5 according to the first embodiment. The lid 26 has a substantially flat lid shape and a cylindrical portion 27 extending from the outer peripheral side to the rear side of the lid portion 26 to form a covered cylindrical shape.

【0061】ここで、前記蓋部26は前面26Aが平坦
面となり、その後面側が塗料受面26Bとなっている。
また、前記筒部27は、ハブ嵌合段部23の内周面23
A内に挿入される外周面27Aと、ハブ嵌合段部23の
底面23Bに当接する後端面27Bとから筒体状をなし
ている。そして、筒部27の外周面27Aにはリング嵌
着溝24に対向するように環状縮径溝部27Cが形成さ
れている。
Here, the front surface 26A of the lid portion 26 is a flat surface, and the rear surface side is a paint receiving surface 26B.
The cylindrical portion 27 is provided on the inner peripheral surface 23 of the hub fitting step portion 23.
The outer peripheral surface 27A inserted into A and the rear end surface 27B abutting on the bottom surface 23B of the hub fitting step 23 form a cylindrical body. An annular reduced diameter groove 27C is formed on the outer peripheral surface 27A of the cylindrical portion 27 so as to face the ring fitting groove 24.

【0062】28は前記筒部27の外周面27Aに設け
られたリング係合面で、該リング係合面28は、前記外
周面27Aと環状縮径溝部27Cとの間に位置し、後部
側(後端面27B側)に向けて漸次拡径する傾斜面状に
形成されている。これにより、リング係合面28にOリ
ング29が圧接されたときには、該Oリング29の弾性
力によってハブ部材25の筒部27をハブ嵌合段部23
の底面23B側に押付け、該ハブ部材25の抜止めを図
るものである。
Reference numeral 28 denotes a ring engaging surface provided on the outer peripheral surface 27A of the cylindrical portion 27. The ring engaging surface 28 is located between the outer peripheral surface 27A and the annular reduced-diameter groove 27C, and is located on the rear side. It is formed in an inclined surface shape whose diameter gradually increases toward the (rear end surface 27B side). Thereby, when the O-ring 29 is pressed against the ring engaging surface 28, the cylindrical portion 27 of the hub member 25 is moved by the elastic force of the O-ring 29 to the hub fitting step 23.
Of the hub member 25.

【0063】29はハブ嵌合段部23の内周側に位置し
てリング嵌着溝24内に嵌着された弾性リングとしての
Oリングを示し、該Oリング29は、前記第1の実施例
によるOリング11と同様に、弾性を有するゴム材料か
ら断面円形状のリングとして形成されている。
Reference numeral 29 denotes an O-ring as an elastic ring which is located on the inner peripheral side of the hub fitting step 23 and is fitted in the ring fitting groove 24. The O-ring 29 is provided in the first embodiment. Like the O-ring 11 according to the example, it is formed as a ring having a circular cross section from a rubber material having elasticity.

【0064】そして、Oリング29は、リング嵌着溝2
4内に嵌着された状態で、ハブ部材25の筒部27が霧
化頭本体22のハブ嵌合段部23内に押込まれたとき
に、弾性変形して該ハブ嵌合段部23内に筒部27が挿
入されるのを許すと共に、リング係合面28と圧接する
ことによりハブ部材25をハブ嵌合段部23内に弾性力
によって固定するものである。また、Oリング29は、
ハブ嵌合段部23内にハブ部材25を弾性的に保持する
ことにより、霧化頭本体22の回転中心(軸線O−O)
に対してハブ部材25の位置ずれを小さく抑えている。
The O-ring 29 is provided in the ring fitting groove 2.
When the cylindrical portion 27 of the hub member 25 is pushed into the hub fitting step 23 of the atomizing head main body 22 in a state of being fitted into the hub 4, it is elastically deformed and The hub member 25 is fixed to the hub fitting step portion 23 by elastic force by allowing the cylindrical portion 27 to be inserted into the ring engaging surface 28 and pressing the ring portion 28 with the ring engaging surface 28. Also, the O-ring 29
By elastically holding the hub member 25 in the hub fitting step portion 23, the center of rotation of the atomization head main body 22 (axis OO)
In this case, the displacement of the hub member 25 is kept small.

【0065】かくして、このように構成された本実施例
においても、前述した第1の実施例とほぼ同様の作用効
果を得ることができる。
Thus, also in the present embodiment configured as described above, it is possible to obtain substantially the same operation and effect as in the first embodiment.

【0066】次に、図6および図7に本発明の第3の実
施例を示すに、本実施例の特徴は、ハブ嵌合段部の底面
を傾斜面とすると共にハブ部材の筒部後端面にハブ嵌合
段部の傾斜面に対応する傾斜面を形成したことにある。
なお、本実施例では、前述した第1の実施例と同一の構
成要素に同一の符号を付し、その説明を省略するものと
する。
Next, FIGS. 6 and 7 show a third embodiment of the present invention. The features of this embodiment are that the bottom surface of the hub fitting step portion is formed as an inclined surface and the hub member has a rear portion. This is because an inclined surface corresponding to the inclined surface of the hub fitting step is formed on the end surface.
In this embodiment, the same components as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

【0067】図中、31は本実施例による回転霧化頭を
示し、該回転霧化頭31は、後述する霧化頭本体32、
ハブ部材35およびOリング39から構成されている。
In the figure, reference numeral 31 denotes a rotary atomizing head according to the present embodiment.
It comprises a hub member 35 and an O-ring 39.

【0068】32は回転霧化頭31の外形をなし、軸線
O−Oを有する霧化頭本体、33は該霧化頭本体32の
内周側に軸線O−Oを中心として設けられたハブ嵌合段
部をそれぞれ示す。
Numeral 32 denotes an outer shape of the rotary atomizing head 31 and an atomizing head body having an axis OO. Numeral 33 denotes a hub provided on the inner peripheral side of the atomizing head body 32 around the axis OO. The fitting step is shown.

【0069】ここで、前記霧化頭本体32は、第1の実
施例による霧化頭本体2と同様に、後部側が回転軸取付
部32Aとなり、前部内周側が塗料薄膜化面32Bとな
ると共に、前端が放出端縁32Cとなり、全体としてベ
ル形状に形成されている。
The atomizing head main body 32, like the atomizing head main body 2 according to the first embodiment, has a rotating shaft mounting portion 32A on the rear side and a paint thinning surface 32B on the front inner peripheral side. The front end becomes the discharge edge 32C and is formed in a bell shape as a whole.

【0070】また、前記ハブ嵌合段部33は、図7に示
す如く、前記第1の実施例で述べたハブ嵌合段部3とほ
ぼ同様に、内周面33Aと底面33Bとから前部側に向
けて開口する有底穴として形成されている。また、内周
面33Aには環状拡径溝部33Cが設けられ、該環状拡
径溝部33Cと内周面33Aとの間にはリング係合面3
4が形成されている。しかし、本実施例によるハブ嵌合
段部33は、その底面33Bが霧化頭本体32の回転中
心となる軸線O−Oに向って形成された傾斜底面33B
となっている。
As shown in FIG. 7, the hub fitting step 33 is substantially the same as the hub fitting step 3 described in the first embodiment, and has an inner peripheral surface 33A and a bottom surface 33B. It is formed as a bottomed hole that opens toward the part side. An annular enlarged-diameter groove 33C is provided on the inner peripheral surface 33A, and a ring engaging surface 3 is provided between the annular enlarged-diameter groove 33C and the inner peripheral surface 33A.
4 are formed. However, the hub fitting step portion 33 according to the present embodiment has an inclined bottom surface 33B whose bottom surface 33B is formed toward an axis OO serving as a rotation center of the atomization head main body 32.
It has become.

【0071】35は霧化頭本体32内に軸線O−Oをも
って設けられたハブ部材を示し、該ハブ部材35は、第
1の実施例によるハブ部材5と同様に、前部側に位置し
た略平板状の蓋部36と、該蓋部36の外周側から後部
側に延設された筒部37とから有蓋筒状に形成されてい
る。
Reference numeral 35 denotes a hub member provided with an axis O--O in the atomizing head main body 32. The hub member 35 is located on the front side similarly to the hub member 5 according to the first embodiment. The cover 36 has a substantially flat cover-like shape and a tubular portion 37 extending from the outer peripheral side to the rear side of the cover 36.

【0072】ここで、前記蓋部36は前面36Aが平坦
面となり、その後面側が塗料受面36Bとなっている。
また、前記筒部37は、前記第1の実施例で述べた筒部
7とほぼ同様に、外周面37Aと後端面37Bとから筒
状体をなしている。また、外周面37Aには後述のOリ
ング39が嵌着されるリング嵌着溝38が形成されてい
る。しかし、本実施例による筒部37は、その後端面3
7Bがハブ部材35の回転中心となる軸線O−Oに向
い、かつハブ嵌合段部33の傾斜底面33Bに対応する
傾斜後端面37Bとなっている。
The lid 36 has a flat front surface 36A and a rear paint surface 36B.
The cylindrical portion 37 has a cylindrical shape with an outer peripheral surface 37A and a rear end surface 37B substantially in the same manner as the cylindrical portion 7 described in the first embodiment. A ring fitting groove 38 into which an O-ring 39 described later is fitted is formed on the outer peripheral surface 37A. However, the cylindrical portion 37 according to the present embodiment has the rear end surface 3.
7B is an inclined rear end face 37B facing the axis OO serving as the center of rotation of the hub member 35 and corresponding to the inclined bottom face 33B of the hub fitting step 33.

【0073】39はリング嵌着溝38内に装着された弾
性リングとしてのOリングを示し、該Oリング39は、
前記第1の実施例によるOリング11と同様に、弾性を
有するゴム材料から断面円形状のリングとして形成され
ている。
Reference numeral 39 denotes an O-ring as an elastic ring mounted in the ring fitting groove 38. The O-ring 39
Like the O-ring 11 according to the first embodiment, the O-ring 11 is formed as a ring having a circular cross section from a rubber material having elasticity.

【0074】そして、Oリング39は、リング嵌着溝3
8内に嵌着された状態で、ハブ部材35の筒部37が霧
化頭本体32のハブ嵌合段部33内に押込まれたとき
に、弾性変形して該ハブ嵌合段部33内に筒部37が挿
入されるのを許すと共に、リング係合面34と圧接する
ことにより弾性力によってハブ部材35の筒部37をハ
ブ嵌合段部33内に向けて押圧し、その抵抗力で該ハブ
部材35の抜止めをしている。
The O-ring 39 is attached to the ring fitting groove 3.
When the cylindrical portion 37 of the hub member 35 is pushed into the hub fitting step 33 of the atomizing head main body 32 in a state of being fitted inside the hub fitting portion 8, the cylindrical portion 37 is elastically deformed and becomes inside the hub fitting step 33. The cylindrical portion 37 of the hub member 35 is pressed toward the inside of the hub fitting step 33 by elastic force by being pressed against the ring engaging surface 34, and the resistance of the cylindrical portion 37. To prevent the hub member 35 from coming off.

【0075】ここで、Oリング39によって筒部37を
ハブ嵌合段部33内に押圧したときには、該筒部37の
傾斜後端面37Bがハブ嵌合段部33の傾斜底面33B
に押付けられる。従って、傾斜後端面37Bは傾斜底面
33Bによって霧化頭本体32の回転中心(軸線O−
O)に配向されるから、ハブ部材35は霧化頭本体32
の回転中心に自動的に位置決めされるようになる。
Here, when the cylindrical portion 37 is pressed into the hub fitting step 33 by the O-ring 39, the inclined rear end face 37B of the cylindrical portion 37 becomes inclined bottom 33B of the hub fitting step 33.
Pressed to. Therefore, the inclined rear end surface 37B is rotated by the inclined bottom surface 33B at the center of rotation of the atomization head main body 32 (the axis O-
O), the hub member 35 is attached to the atomizing head body 32.
Will be automatically positioned at the center of rotation.

【0076】かくして、このように構成された本実施例
においても、前述した各実施例とほぼ同様の作用効果を
得ることができるが、特に、本実施例では、ハブ嵌合段
部33の底面33Bを霧化頭本体32の回転中心に向っ
て形成された傾斜底面33Bとすると共に、筒部37の
後端面37Bをハブ部材35の回転中心を中心とする傾
斜後端面37Bとしている。
Thus, in this embodiment constructed as described above, substantially the same operation and effects as those of the above-described embodiments can be obtained. In particular, in this embodiment, the bottom surface of the hub fitting step 33 is formed. 33B is an inclined bottom surface 33B formed toward the rotation center of the atomizing head main body 32, and the rear end surface 37B of the cylindrical portion 37 is an inclined rear end surface 37B centered on the rotation center of the hub member 35.

【0077】このため、霧化頭本体32のハブ嵌合段部
33にハブ部材35の筒部37を嵌合させ、該ハブ嵌合
段部33の傾斜底面33Bに前記筒部37の傾斜後端面
37Bを当接させることにより、ハブ部材35は、その
傾斜後端面37Bによって霧化頭本体32の回転中心に
配向される。これにより、ハブ部材35は、霧化頭本体
32に対して自動的に調芯される。
For this reason, the cylindrical portion 37 of the hub member 35 is fitted to the hub fitting step 33 of the atomizing head main body 32, and after the cylindrical portion 37 is inclined to the inclined bottom surface 33 B of the hub fitting step 33. By abutting the end face 37B, the hub member 35 is oriented to the rotation center of the atomizing head main body 32 by the inclined rear end face 37B. Thereby, the hub member 35 is automatically aligned with respect to the atomization head main body 32.

【0078】従って、Oリング39でハブ部材35をハ
ブ嵌合段部33に押付けることにより、筒部37をハブ
嵌合段部33の中心(軸線O−O)に自動的に位置決め
することができる。
Therefore, by pressing the hub member 35 against the hub fitting step 33 with the O-ring 39, the cylindrical portion 37 is automatically positioned at the center (the axis OO) of the hub fitting step 33. Can be.

【0079】この結果、霧化頭本体32とハブ部材35
を分解して洗浄し、回転霧化頭31を再組立した後に
も、当該回転霧化頭31の回転バランスを高精度に維持
することができ、回転霧化頭31のバランス再調整を省
略し、分解、組立作業の作業性を向上することができ
る。
As a result, the atomizing head body 32 and the hub member 35
After disassembling and cleaning the rotary atomizing head 31, the rotational balance of the rotary atomizing head 31 can be maintained with high accuracy even after the rotary atomizing head 31 is reassembled, and the rebalancing of the rotary atomizing head 31 is omitted. The workability of the disassembly and assembly work can be improved.

【0080】次に、図8および図9に本発明の第4の実
施例を示すに、本実施例の特徴は、ハブ嵌合段部の底面
を傾斜面とすると共にハブ部材の筒部後端面をハブ嵌合
段部の傾斜面に対応する傾斜面とし、かつOリングをハ
ブ嵌合段部側に設けたことにある。なお、本実施例で
は、前述した第1の実施例と同一の構成要素に同一の符
号を付し、その説明を省略するものとする。
Next, FIGS. 8 and 9 show a fourth embodiment of the present invention. The features of this embodiment are that the bottom surface of the hub fitting step portion is formed as an inclined surface and the hub member has a cylindrical rear portion. The end surface is an inclined surface corresponding to the inclined surface of the hub fitting step, and the O-ring is provided on the hub fitting step. In this embodiment, the same components as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

【0081】図中、41は本実施例による回転霧化頭を
示し、該回転霧化頭41は、後述する霧化頭本体42、
ハブ部材45およびOリング49から構成されている。
In the figure, reference numeral 41 denotes a rotary atomizing head according to the present embodiment.
It is composed of a hub member 45 and an O-ring 49.

【0082】42は回転霧化頭41の外形をなし、軸線
O−Oを有する霧化頭本体、43は該霧化頭本体42の
内周側に軸線O−Oを中心として設けられたハブ嵌合段
部をそれぞれ示す。
Numeral 42 denotes an outer shape of the rotary atomizing head 41 and an atomizing head body having an axis OO, and numeral 43 denotes a hub provided on the inner peripheral side of the atomizing head body 42 around the axis OO. The fitting step is shown.

【0083】ここで、前記霧化頭本体42は、第1の実
施例による霧化頭本体2と同様に、後部側が回転軸取付
部42Aとなり、前部内周側が塗料薄膜化面42Bとな
ると共に、前端が放出端縁42Cとなり、全体としてベ
ル形状に形成されている。
Here, the atomizing head main body 42, like the atomizing head main body 2 according to the first embodiment, has a rotating shaft mounting portion 42A on the rear side and a paint thinning surface 42B on the front inner circumferential side. The front end is a discharge edge 42C, and is formed in a bell shape as a whole.

【0084】また、前記ハブ嵌合段部43は、図9に示
す如く前記第3の実施例で述べたハブ嵌合段部33とほ
ぼ同様に、内周面43Aと傾斜底面43Bとから前部側
に向けて開口する有底穴として形成されている。しか
し、本実施例によるハブ嵌合段部43は、その内周面4
3Aに内方に向けて開口するようにリング嵌着溝44が
形成されている点で第3の実施例によるものと相違して
いる。
Further, as shown in FIG. 9, the hub fitting step 43 is substantially the same as the hub fitting step 33 described in the third embodiment, and has an inner peripheral surface 43A and an inclined bottom surface 43B. It is formed as a bottomed hole that opens toward the part side. However, the hub fitting step 43 according to the present embodiment has the inner peripheral surface 4.
The third embodiment differs from the third embodiment in that a ring fitting groove 44 is formed so as to open inward in 3A.

【0085】45は霧化頭本体42内に軸線O−Oをも
って設けられたハブ部材を示し、該ハブ部材45は、前
部側に位置した略平板状の蓋部46と、該蓋部46の外
周側から後部側に延設された筒部47とから有蓋筒状に
形成されている。
Reference numeral 45 denotes a hub member provided within the atomizing head main body 42 along the axis OO. The hub member 45 has a substantially flat plate-shaped lid portion 46 located on the front side, and a lid portion 46. And a cylindrical portion 47 extending from the outer peripheral side to the rear side.

【0086】ここで、前記蓋部46は前面46Aが平坦
面となり、その後面側が塗料受面46Bとなっている。
また、前記筒部47は、前記第3の実施例で述べた筒部
37とほぼ同様に、外周面47Aと傾斜後端面47Bと
から筒状体をなしている。しかし、本実施例による筒部
47は、その外周面47Aにリング嵌着溝44に対向す
るように環状縮径溝部47Cが形成され、該環状縮径溝
部47Cと外周面47Aとの間にリング係合面48が形
成されている点で第3の実施例によるものと相違してい
る。
The lid 46 has a flat front surface 46A and a rear paint surface 46B.
The cylindrical portion 47 is formed in a cylindrical shape from the outer peripheral surface 47A and the inclined rear end surface 47B in substantially the same manner as the cylindrical portion 37 described in the third embodiment. However, in the cylindrical portion 47 according to the present embodiment, an annular reduced diameter groove portion 47C is formed on the outer peripheral surface 47A so as to face the ring fitting groove 44, and a ring is formed between the annular reduced diameter groove portion 47C and the outer peripheral surface 47A. The difference from the third embodiment is that an engagement surface 48 is formed.

【0087】49はリング嵌着溝44内に嵌着された弾
性リングとしてのOリングを示し、該Oリング49は、
前記第1の実施例によるOリング11と同様に、弾性を
有するゴム材料から断面円形状のリングとして形成され
ている。
Reference numeral 49 denotes an O-ring as an elastic ring fitted in the ring fitting groove 44. The O-ring 49
Like the O-ring 11 according to the first embodiment, the O-ring 11 is formed as a ring having a circular cross section from a rubber material having elasticity.

【0088】かくして、このように構成された本実施例
においても、前述した第3の実施例とほぼ同様の作用効
果を得ることができる。
Thus, in the present embodiment having such a configuration, substantially the same operation and effect as those of the third embodiment can be obtained.

【0089】次に、図10および図11に本発明の第5
の実施例を示すに、本実施例の特徴は、ハブ嵌合段部の
内周面を傾斜面とすると共にハブ部材の筒部外周面をハ
ブ嵌合段部の傾斜面に対応する傾斜面としたことにあ
る。なお、本実施例では、前述した第1の実施例と同一
の構成要素に同一の符号を付し、その説明を省略するも
のとする。
Next, FIGS. 10 and 11 show the fifth embodiment of the present invention.
This embodiment is characterized in that the inner peripheral surface of the hub fitting step portion is an inclined surface and the cylindrical outer peripheral surface of the hub member is an inclined surface corresponding to the inclined surface of the hub fitting step portion. And that In this embodiment, the same components as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

【0090】図中、51は本実施例による回転霧化頭を
示し、該回転霧化頭51は、後述する霧化頭本体52、
ハブ部材55およびOリング59から構成されている。
In the drawing, reference numeral 51 denotes a rotary atomizing head according to the present embodiment.
It is composed of a hub member 55 and an O-ring 59.

【0091】52は回転霧化頭51の外形をなし、軸線
O−Oを有する霧化頭本体、53は該霧化頭本体52の
内周側に軸線O−Oを中心として形成されたハブ嵌合段
部をそれぞれ示す。
Numeral 52 denotes an outer shape of the rotary atomizing head 51 and an atomizing head body having an axis OO, and 53 denotes a hub formed on the inner peripheral side of the atomizing head body 52 around the axis OO. The fitting step is shown.

【0092】ここで、前記霧化頭本体52は、第1の実
施例による霧化頭本体2と同様に、後部側が回転軸取付
部52Aとなり、前部内周側が塗料薄膜化面52Bとな
ると共に、前端が放出端縁52Cとなり、全体としてベ
ル形状に形成されている。
Here, as in the case of the atomizing head main body 2 according to the first embodiment, the rear side of the atomizing head main body 52 serves as a rotary shaft mounting portion 52A, and the front inner peripheral side serves as a paint thinning surface 52B. , The front end is a discharge edge 52C, and is formed in a bell shape as a whole.

【0093】また、前記ハブ嵌合段部53は、図11に
示すように前記第3の実施例で述べたハブ嵌合段部33
とほぼ同様に、内周面53Aと底面53Bとから前部側
に向けて開口する有底穴として形成されている。また、
内周面53Aには環状拡径溝部53Cが設けられ、該環
状拡径溝部53Cと内周面53Aとの間にはリング係合
面54が形成されている。しかし、本実施例によるハブ
嵌合段部53は、その内周面53Aが霧化頭本体52の
回転中心となる軸線O−Oに向って形成された傾斜内周
面53Aとなっている。
As shown in FIG. 11, the hub fitting step 53 is the hub fitting step 33 described in the third embodiment.
In the same manner as described above, it is formed as a bottomed hole that opens toward the front from the inner peripheral surface 53A and the bottom surface 53B. Also,
An annular enlarged-diameter groove 53C is provided on the inner peripheral surface 53A, and a ring engaging surface 54 is formed between the annular enlarged-diameter groove 53C and the inner peripheral surface 53A. However, the hub fitting step portion 53 according to the present embodiment has an inner peripheral surface 53A formed as an inclined inner peripheral surface 53A formed toward an axis OO serving as a rotation center of the atomizing head main body 52.

【0094】55は霧化頭本体52内に軸線O−Oをも
って設けられたハブ部材を示し、該ハブ部材55は、第
1の実施例によるハブ部材5と同様に、前部側に位置し
た略平板状の蓋部56と、該蓋部56の外周側から後部
側に延設された筒部57とから有蓋筒状に形成されてい
る。
Reference numeral 55 denotes a hub member provided with an axis O--O in the atomizing head main body 52. The hub member 55 is located on the front side similarly to the hub member 5 according to the first embodiment. The lid 56 has a substantially flat lid shape and a tubular portion 57 extending from the outer peripheral side to the rear side of the lid portion 56 to form a covered cylindrical shape.

【0095】ここで、前記蓋部56は前面56Aが平坦
面となり、その後面側が塗料受面56Bとなっている。
また、前記筒部57は、前記第1の実施例で述べた筒部
7とほぼ同様に、外周面57Aと後端面57Bとから筒
状体をなしている。また、外周面57Aには後述のOリ
ング59が嵌着されるリング嵌着溝58が形成されてい
る。しかし、本実施例による筒部57は、その外周面5
7Aがハブ部材55の回転中心となる軸線O−Oに向
い、かつハブ嵌合段部53の傾斜内周面53Aに対応す
る傾斜外周面57Aとなっている。
The lid 56 has a flat front surface 56A and a rear paint surface 56B.
The cylindrical portion 57 has a cylindrical shape with an outer peripheral surface 57A and a rear end surface 57B, similarly to the cylindrical portion 7 described in the first embodiment. A ring fitting groove 58 into which an O-ring 59 described later is fitted is formed in the outer peripheral surface 57A. However, the cylindrical portion 57 according to the present embodiment has the outer peripheral surface 5.
7A is an inclined outer peripheral surface 57A that faces the axis OO serving as the center of rotation of the hub member 55 and that corresponds to the inclined inner peripheral surface 53A of the hub fitting step 53.

【0096】59はリング嵌着溝58内に嵌着された弾
性リングとしてのOリングを示し、該Oリング59は、
前記第1の実施例によるOリング11と同様に、弾性を
有するゴム材料から断面円形状のリングとして形成され
ている。
Reference numeral 59 denotes an O-ring as an elastic ring fitted in the ring fitting groove 58.
Like the O-ring 11 according to the first embodiment, the O-ring 11 is formed as a ring having a circular cross section from a rubber material having elasticity.

【0097】かくして、このように構成された本実施例
においても、前述した各実施例とほぼ同様の作用効果を
得ることができるが、特に、本実施例では、ハブ嵌合段
部53の内周面53Aを霧化頭本体52の回転中心に向
って形成された傾斜内周面53Aとすると共に、筒部5
7の外周面57Aをハブ部材55の回転中心を中心とす
る傾斜外周面57Aとしている。
Thus, in this embodiment having the above-described structure, substantially the same operation and effect as those of the above-described embodiments can be obtained. The peripheral surface 53A is an inclined inner peripheral surface 53A formed toward the rotation center of the atomization head main body 52, and the cylindrical portion 5
7 is an inclined outer peripheral surface 57A centered on the rotation center of the hub member 55.

【0098】このため、霧化頭本体52のハブ嵌合段部
53にハブ部材55の筒部57を嵌合させ、該ハブ嵌合
段部53の傾斜内周面53Aに前記筒部57の傾斜外周
面57Aを当接させることにより、ハブ部材55は、そ
の傾斜外周面57Aによって霧化頭本体52の回転中心
に配向される。これにより、ハブ部材55は、霧化頭本
体52に対して自動的に調芯される。
Therefore, the cylindrical portion 57 of the hub member 55 is fitted to the hub fitting step 53 of the atomizing head main body 52, and the cylindrical inner portion 53 A of the hub fitting step 53 is fitted to the cylindrical portion 57. By bringing the inclined outer peripheral surface 57A into contact, the hub member 55 is oriented to the rotation center of the atomizing head main body 52 by the inclined outer peripheral surface 57A. Thereby, the hub member 55 is automatically centered with respect to the atomization head main body 52.

【0099】従って、Oリング59でハブ部材55をハ
ブ嵌合段部53に押付けることにより、筒部57をハブ
嵌合段部53の中心(軸線O−O)に自動的に位置決め
することができる。
Therefore, by pressing the hub member 55 against the hub fitting step 53 with the O-ring 59, the cylindrical portion 57 is automatically positioned at the center (the axis OO) of the hub fitting step 53. Can be.

【0100】この結果、霧化頭本体52とハブ部材55
を分解して洗浄し、回転霧化頭51を再組立した後に
も、当該回転霧化頭51の回転バランスを高精度に維持
することができ、回転霧化頭51のバランス再調整を省
略し、分解、組立作業の作業性を向上することができ
る。
As a result, the atomizing head main body 52 and the hub member 55
After disassembling and cleaning the rotary atomizing head 51, the rotational balance of the rotary atomizing head 51 can be maintained with high accuracy even after reassembly of the rotary atomizing head 51, and the rebalancing of the rotary atomizing head 51 is omitted. The workability of the disassembly and assembly work can be improved.

【0101】次に、図12および図13に本発明の第6
の実施例を示すに、本実施例の特徴は、ハブ嵌合段部の
内周面を傾斜面とすると共にハブ部材の筒部外周面をハ
ブ嵌合段部の傾斜面に対応する傾斜面とし、かつOリン
グをハブ嵌合段部側に設けたことにある。なお、本実施
例では、前述した第1の実施例と同一の構成要素に同一
の符号を付し、その説明を省略するものとする。
Next, FIGS. 12 and 13 show the sixth embodiment of the present invention.
In this embodiment, the feature of this embodiment is that the inner peripheral surface of the hub fitting step portion is an inclined surface, and the cylindrical outer peripheral surface of the hub member is an inclined surface corresponding to the inclined surface of the hub fitting step portion. And the O-ring is provided on the hub fitting step side. In this embodiment, the same components as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

【0102】図中、61は本実施例による回転霧化頭を
示し、該回転霧化頭61は、後述する霧化頭本体62、
ハブ部材65およびOリング69から構成されている。
In the drawing, reference numeral 61 denotes a rotary atomizing head according to the present embodiment.
It comprises a hub member 65 and an O-ring 69.

【0103】62は回転霧化頭61の外形をなし、軸線
O−Oを有する霧化頭本体、63は該霧化頭本体62の
内周側に軸線O−Oを中心として形成されたハブ嵌合段
部をそれぞれ示す。
Reference numeral 62 denotes an outer shape of the rotary atomizing head 61 and an atomizing head main body having an axis OO. 63 denotes a hub formed on the inner peripheral side of the atomizing head main body 62 around the axis OO. The fitting step is shown.

【0104】ここで、前記霧化頭本体62は、第1の実
施例による霧化頭本体2と同様に、後部側が回転軸取付
部62Aとなり、前部内周側が塗料薄膜化面62Bとな
ると共に、前端が放出端縁62Cとなり、全体としてベ
ル形状に形成されている。
Here, as in the case of the atomizing head main body 2 according to the first embodiment, the rear side of the atomizing head main body 62 serves as a rotating shaft mounting portion 62A, and the front inner peripheral side serves as a paint thinning surface 62B. The front end is a discharge edge 62C, and is formed in a bell shape as a whole.

【0105】また、前記ハブ嵌合段部63は、図13に
示すように前記第5の実施例で述べたハブ嵌合段部53
とほぼ同様に、傾斜内周面63Aと底面63Bとから前
部側に向けて開口する有底穴として形成されている。し
かし、本実施例によるハブ嵌合段部63は、その傾斜内
周面63Aに内方に向けて開口するようにリング嵌着溝
64が形成されている点で前記第5の実施例によるもの
と相違している。
As shown in FIG. 13, the hub fitting step 63 is the same as the hub fitting step 53 described in the fifth embodiment.
In the same manner as described above, it is formed as a bottomed hole that opens toward the front from the inclined inner peripheral surface 63A and the bottom surface 63B. However, the hub fitting step 63 according to the fifth embodiment is different from the fifth embodiment in that a ring fitting groove 64 is formed in the inclined inner peripheral surface 63A so as to open inward. Is different.

【0106】65は霧化頭本体62内に軸線O−Oをも
って設けられたハブ部材を示し、該ハブ部材65は、第
1の実施例によるハブ部材5と同様に、前部側に位置し
た略平板状の蓋部66と、該蓋部66の外周側から後部
側に延設された筒部67とから有蓋筒状に形成されてい
る。
Reference numeral 65 denotes a hub member provided with an axis O--O in the atomizing head main body 62. The hub member 65 is located on the front side similarly to the hub member 5 according to the first embodiment. The lid 66 has a substantially flat lid shape and a tubular portion 67 extending from the outer peripheral side to the rear side of the lid portion 66 to form a covered cylindrical shape.

【0107】ここで、前記蓋部66は前面66Aが平坦
面となり、その後面側が塗料受面66Bとなっている。
また、前記筒部67は、前記第5の実施例で述べた筒部
57とほぼ同様に、傾斜外周面67Aと後端面67Bと
から筒状体をなしている。しかし、本実施例による筒部
67は、その傾斜外周面67Aにリング嵌着溝64に対
向するように環状縮径溝部67Cが形成され、該環状縮
径溝部67Cと傾斜外周面67Aとの間にリング係合面
68が形成されている点で前記第5の実施例によるもの
と相違している。
The lid 66 has a flat front surface 66A and a rear paint surface 66B.
The cylindrical portion 67 has a cylindrical shape with a slanted outer peripheral surface 67A and a rear end surface 67B, similarly to the cylindrical portion 57 described in the fifth embodiment. However, the cylindrical portion 67 according to this embodiment has an annular outer peripheral surface 67A formed with an annular reduced diameter groove portion 67C so as to face the ring fitting groove 64, and a gap between the annular reduced diameter groove portion 67C and the inclined outer peripheral surface 67A. The third embodiment differs from the fifth embodiment in that a ring engaging surface 68 is formed in the second embodiment.

【0108】69はリング嵌着溝64内に嵌着された弾
性リングとしてのOリングを示し、該Oリング69は、
前記第1の実施例によるOリング11と同様に、弾性を
有するゴム材料から断面円形状のリングとして形成され
ている。
Reference numeral 69 denotes an O-ring as an elastic ring fitted in the ring fitting groove 64.
Like the O-ring 11 according to the first embodiment, the O-ring 11 is formed as a ring having a circular cross section from a rubber material having elasticity.

【0109】かくして、このように構成された本実施例
においても、前述した第5の実施例とほぼ同様の作用効
果を得ることができる。
Thus, in the present embodiment having the above-described structure, substantially the same operation and effect as those of the fifth embodiment can be obtained.

【0110】次に、図14に本発明の第7の実施例を示
すに、本実施例の特徴は、ハブ嵌合段部内にOリングの
弾性力による抵抗力のみでハブ部材を抜止めする構成と
したことにある。なお、本実施例では、前述した第1の
実施例と同一の構成要素に同一の符号を付し、その説明
を省略するものとする。
Next, FIG. 14 shows a seventh embodiment of the present invention. The feature of the present embodiment is that the hub member is prevented from being pulled out only in the hub fitting step by the resistance force of the elastic force of the O-ring. It is in the configuration. In this embodiment, the same components as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

【0111】図中、71は本実施例による回転霧化頭を
示し、該回転霧化頭71は、後述する霧化頭本体72、
ハブ部材74およびOリング78から構成されている。
In the figure, reference numeral 71 denotes a rotary atomizing head according to the present embodiment.
It is composed of a hub member 74 and an O-ring 78.

【0112】72は回転霧化頭71の外形をなし、軸線
O−Oを有する霧化頭本体、73は該霧化頭本体72の
内周側に軸線O−Oを中心として形成されたハブ嵌合段
部をそれぞれ示す。
Numeral 72 denotes an outer shape of the rotary atomizing head 71 and an atomizing head main body having an axis OO, and 73 denotes a hub formed on the inner peripheral side of the atomizing head main body 72 about the axis OO. The fitting step is shown.

【0113】ここで、前記霧化頭本体72は、第1の実
施例による霧化頭本体2と同様に、後部側が回転軸取付
部72Aとなり、前部内周側が塗料薄膜化面72Bとな
ると共に、前端が放出端縁72Cとなり、全体としてベ
ル形状に形成されている。
Here, the atomizing head main body 72, like the atomizing head main body 2 according to the first embodiment, has a rotating shaft mounting portion 72A on the rear side and a paint thinning surface 72B on the front inner peripheral side. The front end is a discharge edge 72C, and is formed in a bell shape as a whole.

【0114】また、前記ハブ嵌合段部73は、前記第1
の実施例で述べたハブ嵌合段部3とほぼ同様に、内周面
73Aと底面73Bとから前部側に向けて開口する有底
穴として形成されている。
The hub fitting step 73 is provided with the first
In the same manner as the hub fitting step portion 3 described in the embodiment, the hole is formed as a bottomed hole that opens toward the front from the inner peripheral surface 73A and the bottom surface 73B.

【0115】74は霧化頭本体72内に軸線O−Oをも
って設けられたハブ部材を示し、該ハブ部材74は、第
1の実施例によるハブ部材5と同様に、前部側に位置し
た略平板状の蓋部75と、該蓋部75の外周側から後部
側に延設された筒部76とから有蓋筒状に形成されてい
る。
Numeral 74 denotes a hub member provided with an axis O--O in the atomizing head main body 72. The hub member 74 is located on the front side similarly to the hub member 5 according to the first embodiment. The lid 75 is formed of a substantially flat lid 75 and a cylindrical portion 76 extending from the outer peripheral side to the rear side of the lid 75.

【0116】ここで、前記蓋部75は前面75Aが平坦
面となり、その後面側が塗料受面75Bとなっている。
また、前記筒部76は、前記第1の実施例で述べた筒部
7とほぼ同様に、外周面76Aと後端面76Bとから筒
状体をなしている。また、外周面76Aには後述のOリ
ング78が嵌着されるリング嵌着溝77が形成されてい
る。
Here, the front surface 75A of the lid portion 75 is a flat surface, and the rear surface side is a paint receiving surface 75B.
The cylindrical portion 76 has a cylindrical shape with an outer peripheral surface 76A and a rear end surface 76B, similarly to the cylindrical portion 7 described in the first embodiment. A ring fitting groove 77 into which an O-ring 78 described later is fitted is formed in the outer peripheral surface 76A.

【0117】78はハブ部材74の筒部76外周側に位
置してリング嵌着溝77内に嵌着された弾性保持部材と
してのOリングを示し、該Oリング78は、前記第1の
実施例によるOリング11と同様に、弾性を有するゴム
材料から断面円形状のリングとして形成されている。
Reference numeral 78 denotes an O-ring as an elastic holding member which is located on the outer peripheral side of the cylindrical portion 76 of the hub member 74 and which is fitted in the ring fitting groove 77. The O-ring 78 is provided in the first embodiment. Like the O-ring 11 according to the example, it is formed as a ring having a circular cross section from a rubber material having elasticity.

【0118】そして、Oリング78は、リング嵌着溝7
7内に装着された状態で、ハブ部材74の筒部76が霧
化頭本体72のハブ嵌合段部73内に押込まれたとき
に、弾性変形して該ハブ嵌合段部73内に筒部76が挿
入されるのを許すと共に、ハブ嵌合段部73の内周面7
3Aに弾性力による抵抗力(摩擦力)によってハブ部材
74を該ハブ嵌合段部73内に固定するものである。
Then, the O-ring 78 is inserted into the ring fitting groove 7.
When the cylindrical portion 76 of the hub member 74 is pushed into the hub fitting step 73 of the atomizing head main body 72 in the state where the hub member 74 is mounted in the hub 7, it is elastically deformed into the hub fitting step 73. While allowing the cylindrical portion 76 to be inserted, the inner peripheral surface 7
The hub member 74 is fixed in the hub fitting step 73 by the resistance (frictional force) of the elastic force to the hub 3A.

【0119】かくして、このように構成された本実施例
においても、前述した各実施例とほぼ同様の作用効果を
得ることができる。
Thus, in the present embodiment having such a configuration, substantially the same operation and effect as those of the above-described embodiments can be obtained.

【0120】次に、図15に本発明の第8の実施例を示
すに、本実施例の特徴は、ハブ嵌合段部側に設けたリン
グ嵌着溝内にOリングを嵌着し、このOリングの弾性力
による抵抗力のみでハブ部材をハブ嵌合段部内に抜止め
する構成としたことにある。なお、本実施例では、前述
した第1の実施例と同一の構成要素に同一の符号を付
し、その説明を省略するものとする。
Next, FIG. 15 shows an eighth embodiment of the present invention. The feature of this embodiment is that an O-ring is fitted into a ring fitting groove provided on the hub fitting step. The hub member is prevented from falling into the hub fitting step portion only by the resistance force due to the elastic force of the O-ring. In this embodiment, the same components as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

【0121】図中、81は本実施例による回転霧化頭を
示し、該回転霧化頭81は、後述する霧化頭本体82、
ハブ部材85およびOリング88から構成されている。
In the figure, reference numeral 81 denotes a rotary atomizing head according to the present embodiment.
It comprises a hub member 85 and an O-ring 88.

【0122】82は回転霧化頭81の外形をなし、軸線
O−Oを有する霧化頭本体、83は該霧化頭本体82の
内周側に軸線O−Oを中心として形成されたハブ嵌合段
部をそれぞれ示す。
Numeral 82 denotes an outer shape of the rotary atomizing head 81 and an atomizing head body having an axis OO, and 83 denotes a hub formed on the inner peripheral side of the atomizing head body 82 with the axis OO as a center. The fitting step is shown.

【0123】ここで、前記霧化頭本体82は、第1の実
施例による霧化頭本体2と同様に、後部側が回転軸取付
部82Aとなり、前部内周側が塗料薄膜化面82Bとな
ると共に、前端が放出端縁82Cとなり、全体としてベ
ル形状に形成されている。
Here, as in the case of the atomization head main body 2 according to the first embodiment, the rear side of the atomization head main body 82 becomes the rotation shaft mounting portion 82A, and the front inner peripheral side becomes the paint thinning surface 82B. , The front end is a discharge edge 82C, and is formed in a bell shape as a whole.

【0124】また、前記ハブ嵌合段部83は、前記第1
の実施例で述べたハブ嵌合段部3とほぼ同様に、内周面
83Aと底面83Bとから前部側に向けて開口する有底
穴として形成されている。しかし、本実施例のハブ嵌合
段部83は、その内周面83Aに後述のOリング88が
嵌着されるリング嵌着溝84が形成されている点で第7
の実施例によるものと相違している。
The hub fitting step 83 is provided with the first
In the same manner as the hub fitting step portion 3 described in the embodiment, the hole is formed as a bottomed hole that opens toward the front from the inner peripheral surface 83A and the bottom surface 83B. However, the hub fitting stepped portion 83 of this embodiment has a seventh shape in that a ring fitting groove 84 into which an O-ring 88 described later is fitted is formed on the inner peripheral surface 83A.
This is different from the embodiment.

【0125】85は霧化頭本体82内に軸線O−Oをも
って設けられたハブ部材を示し、該ハブ部材85は、第
1の実施例によるハブ部材5と同様に、前部側に位置し
た略平板状の蓋部86と、該蓋部86の外周側から後部
側に延設された筒部87とから有蓋筒状に形成されてい
る。
Reference numeral 85 denotes a hub member provided with an axis O--O in the atomizing head main body 82. The hub member 85 is located on the front side similarly to the hub member 5 according to the first embodiment. The lid 86 has a substantially flat lid shape and a cylindrical portion 87 extending from the outer peripheral side to the rear side of the lid portion 86 to form a covered cylindrical shape.

【0126】ここで、前記蓋部86は前面86Aが平坦
面となり、その後面側が塗料受面86Bとなっている。
また、前記筒部87は、前記第1の実施例で述べた筒部
7とほぼ同様に、外周面87Aと後端面87Bとから筒
状体をなしている。
Here, the front surface 86A of the lid portion 86 is a flat surface, and the rear surface side is a paint receiving surface 86B.
The cylindrical portion 87 has a cylindrical shape with an outer peripheral surface 87A and a rear end surface 87B, similarly to the cylindrical portion 7 described in the first embodiment.

【0127】88はハブ嵌合段部83の内周面83A側
に位置してリング嵌着溝84内に嵌着された弾性保持部
材としてのOリングを示し、該Oリング88は、前記第
1の実施例によるOリング11と同様に、弾性を有する
ゴム材料から断面円形状のリングとして形成されてい
る。
Reference numeral 88 denotes an O-ring as an elastic holding member which is located on the inner peripheral surface 83A side of the hub fitting step 83 and is fitted in the ring fitting groove 84. The O-ring 88 is Like the O-ring 11 according to the first embodiment, the O-ring 11 is formed as a ring having a circular cross section from a rubber material having elasticity.

【0128】かくして、このように構成された本実施例
においても、前述した各実施例とほぼ同様の作用効果を
得ることができる。
Thus, in the present embodiment having such a configuration, substantially the same operation and effect as those of the above-described embodiments can be obtained.

【0129】なお、前記各実施例では、弾性保持部材と
して断面円形状のOリング11,29,39,49,5
9,69,78,88を例示したが、例えば、弾性保持
部材を断面楕円形状や多角形状等の他の形状としてもよ
い。
In each of the above embodiments, the O-rings 11, 29, 39, 49, 5 having a circular cross section are used as the elastic holding members.
Although 9, 69, 78, and 88 have been illustrated, for example, the elastic holding member may have another shape such as an elliptical cross section or a polygon.

【0130】また、前記各実施例では、霧化頭本体2,
22,32,42,52,62,72,82をベル形状
に形成した場合を例示したが、霧化頭本体は回転軸取付
部から放出端縁に向けて大径となった筒形状に形成して
もよい。
In each of the above embodiments, the atomizing head main body 2,
Although the case where 22, 32, 42, 52, 62, 72, and 82 are formed in a bell shape is illustrated, the atomization head body is formed in a cylindrical shape having a large diameter from the rotation shaft mounting portion toward the discharge edge. May be.

【0131】[0131]

【発明の効果】以上詳述した通り、請求項1の発明によ
れば、霧化頭本体のハブ嵌合段部内にハブ部材の筒部を
嵌合させたときには、リング嵌着溝内に嵌着された弾性
リングをハブ嵌合段部と筒部との間で弾性変形させるこ
とにより、霧化頭本体に対してハブ部材を弾性リングの
弾性力で保持することができる。
As described above in detail, according to the first aspect of the present invention, when the cylindrical portion of the hub member is fitted into the hub fitting step portion of the atomizing head main body, the hub member is fitted into the ring fitting groove. By elastically deforming the attached elastic ring between the hub fitting step portion and the cylindrical portion, the hub member can be held with respect to the atomization head body by the elastic force of the elastic ring.

【0132】従って、本発明では、従来技術のように別
途工具を用いることなく霧化頭本体とハブ部材との分
解、組立を行なうことができ、製造時の組立性を高めて
生産性を向上できる。また、回転霧化頭の分解、組立が
容易であるから、該回転霧化頭を洗浄するときの作業性
を向上できる。さらに、霧化頭本体のハブ嵌合段部にハ
ブ部材の筒部を弾性リングの弾性力によって保持するこ
とにより、霧化頭本体の回転中心に対し、ハブ部材の回
転中心を合せることができる。これにより、回転霧化頭
の再組立後の回転バランスを良好な状態で維持すること
ができ、回転バランスの再調整作業を省略して組立作業
性を向上できる。
Therefore, according to the present invention, the disassembly and assembly of the atomizing head body and the hub member can be performed without using a separate tool as in the prior art, and the assemblability at the time of manufacturing is improved to improve the productivity. it can. Further, since the disassembly and assembly of the rotary atomizing head are easy, the workability when cleaning the rotary atomizing head can be improved. Further, the center of rotation of the hub member can be aligned with the center of rotation of the atomization head body by holding the cylindrical portion of the hub member at the hub fitting step of the atomization head body by the elastic force of the elastic ring. . As a result, the rotational balance after reassembly of the rotary atomizing head can be maintained in a favorable state, and the work of re-adjusting the rotational balance can be omitted to improve the assembly workability.

【0133】請求項2の発明によれば、霧化頭本体のハ
ブ嵌合段部内にハブ部材の筒部を嵌合させたときには、
リング嵌着溝内に嵌着された弾性リングをハブ嵌合段部
と筒部との間で弾性変形させることにより、霧化頭本体
に対してハブ部材を弾性リングの弾性力で保持すること
ができる。
According to the second aspect of the present invention, when the cylindrical portion of the hub member is fitted into the hub fitting step of the atomizing head main body,
By elastically deforming the elastic ring fitted in the ring fitting groove between the hub fitting step portion and the cylindrical portion, the hub member is held against the atomizing head body by the elastic force of the elastic ring. Can be.

【0134】従って、本発明では、従来技術のように別
途工具を用いることなく霧化頭本体とハブ部材との分
解、組立を行なうことができ、製造時の組立性を高めて
生産性を向上できる。また、回転霧化頭の分解、組立が
容易であるから、該回転霧化頭を洗浄するときの作業性
を向上できる。しかも、霧化頭本体のハブ嵌合段部にハ
ブ部材の筒部を嵌合させた状態ではリング係合面を弾性
リングに係合させることができるから、弾性リングの抵
抗力によって該ハブ部材の抜止めを図ることができ、該
ハブ部材が霧化頭本体から抜け落ちるのを防止でき、当
該回転霧化頭に対する信頼性を向上できる。さらに、霧
化頭本体のハブ嵌合段部にハブ部材の筒部を弾性リング
の弾性力によって保持することにより、霧化頭本体の回
転中心に対し、ハブ部材の回転中心を合せることができ
る。これにより、回転霧化頭の再組立後の回転バランス
を良好にすることができ、回転バランスの再調整作業を
省略して組立作業性を向上できる。
Therefore, according to the present invention, the atomizing head body and the hub member can be disassembled and assembled without using a separate tool as in the prior art, and the assemblability at the time of manufacturing is improved to improve the productivity. it can. Further, since the disassembly and assembly of the rotary atomizing head are easy, the workability when cleaning the rotary atomizing head can be improved. In addition, since the ring engaging surface can be engaged with the elastic ring in a state where the cylindrical portion of the hub member is fitted to the hub fitting step of the atomizing head main body, the resistance of the elastic member causes the hub member to be engaged. Can be prevented, the hub member can be prevented from falling off from the atomizing head main body, and the reliability of the rotary atomizing head can be improved. Further, the center of rotation of the hub member can be aligned with the center of rotation of the atomization head body by holding the cylindrical portion of the hub member at the hub fitting step of the atomization head body by the elastic force of the elastic ring. . As a result, the rotational balance after reassembly of the rotary atomizing head can be improved, and the work of re-adjusting the rotational balance can be omitted to improve the assembly workability.

【0135】請求項3の発明によれば、リング係合面を
霧化頭本体のハブ嵌合段部内周面に設けることにより、
弾性リングを傾斜面として形成されたリング係合面に圧
接、係合できる。これにより、弾性リングの弾性力によ
る抵抗力によってハブ部材を抜止めでき、霧化頭本体に
対する抜止めを図ることができる。
According to the third aspect of the present invention, by providing the ring engaging surface on the inner peripheral surface of the hub fitting step portion of the atomizing head body,
The elastic ring can be pressed against and engaged with a ring engaging surface formed as an inclined surface. This makes it possible to prevent the hub member from being pulled out by the resistance force of the elastic ring, and to prevent the hub member from being pulled out.

【0136】請求項4の発明によれば、リング係合面を
ハブ部材の筒部外周面に設けることにより、弾性リング
を傾斜面として形成されたリング係合面に圧接、係合で
きる。これにより、弾性リングの弾性力による抵抗力に
よってハブ部材を抜止めでき、霧化頭本体に対する抜止
めを図ることができる。
According to the fourth aspect of the present invention, by providing the ring engaging surface on the outer peripheral surface of the cylindrical portion of the hub member, the elastic ring can be pressed against and engaged with the ring engaging surface formed as an inclined surface. This makes it possible to prevent the hub member from being pulled out by the resistance force of the elastic ring, and to prevent the hub member from being pulled out.

【0137】請求項5の発明によれば、霧化頭本体のハ
ブ嵌合段部にハブ部材の筒部を嵌合させ、該ハブ嵌合段
部の傾斜底面に前記筒部の傾斜後端面を当接させること
により、ハブ部材をその傾斜後端面によって霧化頭本体
の回転中心に配向できるから、ハブ部材を霧化頭本体の
回転中心に自動的に位置決めでき、回転霧化頭の再組立
後の回転バランスをより一層良好にすることができ、回
転バランスの再調整作業を省略することができる。
According to the fifth aspect of the present invention, the tubular portion of the hub member is fitted to the hub fitting step of the atomizing head main body, and the inclined rear end surface of the tubular portion is fitted to the inclined bottom surface of the hub fitting step. By contacting the hub member, the hub member can be oriented to the center of rotation of the atomizing head body by the inclined rear end face, so that the hub member can be automatically positioned at the center of rotation of the atomizing head body, and the rotating atomizing head can be re-mounted. The rotational balance after assembling can be further improved, and readjustment of the rotational balance can be omitted.

【0138】請求項6の発明によれば、霧化頭本体のハ
ブ嵌合段部にハブ部材の筒部を嵌合させ、該ハブ嵌合段
部の傾斜内周面に前記筒部の傾斜外周面を当接させるこ
とにより、ハブ部材をその傾斜外周面によって霧化頭本
体の回転中心に配向できるから、ハブ部材を霧化頭本体
の回転中心に自動的に位置決めでき、回転霧化頭の再組
立後の回転バランスをより一層良好にすることができ、
回転バランスの再調整作業を省略することができる。
According to the invention of claim 6, the cylindrical portion of the hub member is fitted to the hub fitting step of the atomizing head main body, and the inclined inner peripheral surface of the hub fitting step is inclined to the cylindrical portion. By contacting the outer peripheral surface, the hub member can be oriented to the center of rotation of the atomizing head body by the inclined outer peripheral surface, so that the hub member can be automatically positioned at the center of rotation of the atomizing head body, and the rotary atomizing head can be rotated. The rotation balance after reassembly can be further improved,
The operation of readjusting the rotational balance can be omitted.

【0139】請求項7の発明は、前記ハブ部材の筒部外
周面に前記リング嵌着溝を設け、前記霧化頭本体のハブ
嵌合段部内周面に前記リング係合面を設けたことにあ
る。また、請求項8の発明は、前記霧化頭本体のハブ嵌
合段部内周面に前記リング嵌着溝を設け、前記ハブ部材
の筒部外周面に前記リング係合面を設けたことにある。
この請求項7,8の発明においても、前述した請求項
2,3,4の発明とほぼ同様の効果を得ることができ
る。
According to a seventh aspect of the present invention, the ring fitting groove is provided on the outer peripheral surface of the cylindrical portion of the hub member, and the ring engaging surface is provided on the inner peripheral surface of the step fitting portion of the hub of the atomizing head body. It is in. The invention according to claim 8 is characterized in that the ring fitting groove is provided on the inner peripheral surface of the hub fitting step portion of the atomizing head main body, and the ring engaging surface is provided on the outer peripheral surface of the cylindrical portion of the hub member. is there.
In the inventions of claims 7 and 8, substantially the same effects as those of the inventions of claims 2, 3, and 4 can be obtained.

【0140】請求項9ないし請求項12の発明は、前述
した請求項5,6の発明と請求項7,8の発明とを組合
わせたもので、このように構成した場合でも、前述した
各発明とほぼ同様の効果を得ることができる。
The invention of claims 9 to 12 is a combination of the inventions of claims 5 and 6 and the inventions of claims 7 and 8. Almost the same effects as those of the invention can be obtained.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の第1の実施例による回転霧化頭を示す
断面図である。
FIG. 1 is a sectional view showing a rotary atomizing head according to a first embodiment of the present invention.

【図2】図1中の矢示A部を拡大して示す要部拡大断面
図である。
FIG. 2 is an enlarged cross-sectional view of a main part showing an arrow A part in FIG. 1 in an enlarged manner.

【図3】霧化頭本体とハブ部材を分解した状態で示す断
面図である。
FIG. 3 is a cross-sectional view showing an atomized head main body and a hub member in an exploded state.

【図4】本発明の第2の実施例による回転霧化頭を示す
断面図である。
FIG. 4 is a sectional view showing a rotary atomizing head according to a second embodiment of the present invention.

【図5】図4中の矢示B部を拡大して示す要部拡大断面
図である。
FIG. 5 is an enlarged sectional view of a main part, which shows an arrow B portion in FIG. 4 in an enlarged manner.

【図6】本発明の第3の実施例による回転霧化頭を示す
断面図である。
FIG. 6 is a sectional view showing a rotary atomizing head according to a third embodiment of the present invention.

【図7】図6中の矢示C部を拡大して示す要部拡大断面
図である。
7 is an enlarged cross-sectional view of a main part, which shows a portion indicated by an arrow C in FIG. 6 in an enlarged manner.

【図8】本発明の第4の実施例による回転霧化頭を示す
断面図である。
FIG. 8 is a sectional view showing a rotary atomizing head according to a fourth embodiment of the present invention.

【図9】図8中の矢示D部を拡大して示す要部拡大断面
図である。
FIG. 9 is an enlarged sectional view of a main part, which shows an arrow D part in FIG. 8 in an enlarged manner.

【図10】本発明の第5の実施例による回転霧化頭を示
す断面図である。
FIG. 10 is a sectional view showing a rotary atomizing head according to a fifth embodiment of the present invention.

【図11】図10中の矢示E部を拡大して示す要部拡大
断面図である。
FIG. 11 is an enlarged sectional view of a main part, which shows an arrow E part in FIG. 10 in an enlarged manner.

【図12】本発明の第6の実施例による回転霧化頭を示
す断面図である。
FIG. 12 is a sectional view showing a rotary atomizing head according to a sixth embodiment of the present invention.

【図13】図12中の矢示F部を拡大して示す要部拡大
断面図である。
13 is an enlarged cross-sectional view of a main part, showing an arrow F portion in FIG. 12 in an enlarged manner.

【図14】本発明の第7の実施例による回転霧化頭を示
す断面図である。
FIG. 14 is a sectional view showing a rotary atomizing head according to a seventh embodiment of the present invention.

【図15】本発明の第8の実施例による回転霧化頭を示
す断面図である。
FIG. 15 is a sectional view showing a rotary atomizing head according to an eighth embodiment of the present invention.

【図16】第1の従来技術による回転霧化頭を示す断面
図である。
FIG. 16 is a sectional view showing a rotary atomizing head according to a first prior art.

【図17】第2の従来技術による回転霧化頭を示す断面
図である。
FIG. 17 is a sectional view showing a rotary atomizing head according to a second prior art.

【符号の説明】[Explanation of symbols]

1,21,31,41,51,61,71,81 回転
霧化頭 2,22,32,42,52,62,72,82 霧化
頭本体 2A,22A,32A,42A,52A,62A,72
A,82A 回転軸取付部 2B,22B,32B,42B,52B,62B,72
B,82B 塗料薄膜化面 2C,22C,32C,42C,52C,62C,72
C,82C 放出端縁 3,23,33,43,53,63,73,83 ハブ
嵌合段部 3A,23A,33A,43A,73A,83A 内周
面 3B,23B,53B,63B,73B,83B 底面 3C,33C,53C 環状拡径溝部 4,28,34,48,54,68 リング係合面 5,25,35,45,55,65,74,85 ハブ
部材 6,26,36,46,56,66,75,86 蓋部 6B,26B,36B,46B,56B,66B,75
B,86B 塗料受面 7,27,37,47,57,67,76,87 筒部 7A,27A,37A,47A,76A,87A 外周
面 7B,27B,57B,67B,76B,87B 後端
面 8,24,38,44,58,64,77,84 リン
グ嵌着溝 9 第1のハブ孔(塗料流出孔) 11,29,39,49,59,69,78,88 O
リング(弾性リング) 27C,47C,67C 環状縮径溝部 33B,43B 傾斜底面 37B,47B 傾斜後端面 53A,63A 傾斜内周面 57A,67A 傾斜外周面 O−O 軸線(回転中心)
1,21,31,41,51,61,71,81 rotary atomizing head 2,22,32,42,52,62,72,82 atomizing head main body 2A, 22A, 32A, 42A, 52A, 62A, 72
A, 82A Rotary shaft mounting part 2B, 22B, 32B, 42B, 52B, 62B, 72
B, 82B Paint thin film surface 2C, 22C, 32C, 42C, 52C, 62C, 72
C, 82C Discharge edge 3, 23, 33, 43, 53, 63, 73, 83 Hub fitting step 3A, 23A, 33A, 43A, 73A, 83A Inner peripheral surface 3B, 23B, 53B, 63B, 73B, 83B Bottom surface 3C, 33C, 53C Annular expanded groove portion 4, 28, 34, 48, 54, 68 Ring engaging surface 5, 25, 35, 45, 55, 65, 74, 85 Hub member 6, 26, 36, 46 , 56, 66, 75, 86 Lid 6B, 26B, 36B, 46B, 56B, 66B, 75
B, 86B Paint receiving surface 7, 27, 37, 47, 57, 67, 76, 87 Tube portion 7A, 27A, 37A, 47A, 76A, 87A Outer peripheral surface 7B, 27B, 57B, 67B, 76B, 87B Rear end surface 8 , 24, 38, 44, 58, 64, 77, 84 Ring fitting groove 9 First hub hole (paint outlet hole) 11, 29, 39, 49, 59, 69, 78, 88 O
Ring (elastic ring) 27C, 47C, 67C Annular diameter-reduced grooves 33B, 43B Inclined bottom surface 37B, 47B Inclined rear end surface 53A, 63A Inclined inner peripheral surface 57A, 67A Inclined outer peripheral surface OO Axis (center of rotation)

───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7,DB名) B05B 3/02 B05B 5/04 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) B05B 3/02 B05B 5/04

Claims (12)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 筒形ないしベル形に形成され、後部側が
回転軸に取付けるための回転軸取付部となると共に、前
部側の内周面が放出端縁に向けて塗料を薄膜化する塗料
薄膜化面となり、該塗料薄膜化面の奥所にハブ嵌合段部
が設けられた霧化頭本体と、 後面側が塗料受面となった蓋部と該蓋部から筒状に延び
前記霧化頭本体のハブ嵌合段部に着脱可能に嵌合される
筒部とから有蓋筒状体をなし、前記塗料受面に供給され
た塗料を前記霧化頭本体の塗料薄膜化面に流出する塗料
流出孔が穿設されたハブ部材と、 前記霧化頭本体のハブ嵌合段部内周面または前記ハブ部
材の筒部外周面に設けられたリング嵌着溝と、 該リング嵌着溝に嵌着され、前記霧化頭本体のハブ嵌合
段部に前記ハブ部材の筒体を嵌合させた状態で該ハブ部
材を弾性力によって着脱可能に保持する弾性リングとか
ら構成してなる回転霧化頭。
1. A paint which is formed in a cylindrical or bell shape, a rear part of which serves as a rotary shaft mounting part for mounting to a rotary shaft, and a front inner peripheral surface of which becomes thinner toward a discharge edge. An atomizing head body having a thinner surface and a hub fitting step provided in the back of the thinner paint surface; a lid having a paint receiving surface on the rear side; A tubular part removably fitted to the hub fitting step of the atomizing head body to form a covered cylindrical body, and the paint supplied to the paint receiving surface flows out to the paint thinning surface of the atomizing head body. A hub member having a paint outlet hole formed therein, a ring fitting groove provided on an inner peripheral surface of a hub fitting step portion of the atomizing head body or a cylindrical portion outer peripheral surface of the hub member, and the ring fitting groove. The hub member is fitted to the hub fitting step of the atomizing head body by elastic force and the hub member is fitted to the hub body. A rotary atomizing head consisting of an elastic ring that is detachably held.
【請求項2】 筒形ないしベル形に形成され、後部側が
回転軸に取付けるための回転軸取付部となると共に、前
部側の内周面が放出端縁に向けて塗料を薄膜化する塗料
薄膜化面となり、該塗料薄膜化面の奥所にハブ嵌合段部
が設けられた霧化頭本体と、 後面側が塗料受面となった蓋部と該蓋部から筒状に延び
前記霧化頭本体のハブ嵌合段部に着脱可能に嵌合される
筒部とから有蓋筒状体をなし、前記塗料受面に供給され
た塗料を前記霧化頭本体の塗料薄膜化面に流出する塗料
流出孔が穿設されたハブ部材と、 前記霧化頭本体のハブ嵌合段部内周面と前記ハブ部材の
筒部外周面とのうちの一方の面に設けられたリング嵌着
溝と、 該リング嵌着溝に嵌着され、前記霧化頭本体のハブ嵌合
段部に前記ハブ部材の筒体を嵌合させた状態で該ハブ部
材を弾性力によって着脱可能に保持する弾性リングと、 該弾性リングによって前記ハブ部材を保持した状態で該
ハブ部材の抜止めを図るために、前記リング嵌着溝と対
向して前記霧化頭本体のハブ嵌合段部内周面と前記ハブ
部材の筒部外周面とのうちの他方の面に設けられたリン
グ係合面とから構成してなる回転霧化頭。
2. A coating material which is formed in a cylindrical shape or a bell shape, a rear portion of which serves as a rotating shaft mounting portion for mounting to a rotating shaft, and an inner peripheral surface of a front portion reduces the thickness of the coating material toward a discharge edge. An atomizing head body having a thinner surface and a hub fitting step provided in the back of the thinner paint surface; a lid having a paint receiving surface on the rear side; A tubular part removably fitted to the hub fitting step of the atomizing head body to form a covered cylindrical body, and the paint supplied to the paint receiving surface flows out to the paint thinning surface of the atomizing head body. A ring member provided on one of a hub fitting step inner peripheral surface of the atomization head main body and a cylindrical portion outer peripheral surface of the hub member. The hub member is fitted in the ring fitting groove, and the hub member is fitted to the hub fitting step of the atomizing head body. An elastic ring which is detachably held by an elastic force; and in order to prevent the hub member from being pulled out while holding the hub member by the elastic ring, the atomizing head body is opposed to the ring fitting groove. A rotary atomizing head including a hub fitting step inner peripheral surface and a ring engaging surface provided on the other surface of the hub member outer peripheral surface.
【請求項3】 前記リング係合面は、前記霧化頭本体の
ハブ嵌合段部内周面に環状拡径溝部を設けることによ
り、当該内周面と環状拡径溝部との間の傾斜面として形
成してなる請求項2に記載の回転霧化頭。
3. The inclined surface between the inner peripheral surface and the annular enlarged groove by providing an annular enlarged groove on the inner peripheral surface of the hub fitting step portion of the atomization head body. 3. The rotary atomizing head according to claim 2, formed as:
【請求項4】 前記リング係合面は、前記ハブ部材の筒
部外周面に環状縮径溝部を設けることにより、当該外周
面と環状縮径溝部との間の傾斜面として形成してなる請
求項2に記載の回転霧化頭。
4. The ring engaging surface is formed as an inclined surface between the outer peripheral surface and the annular reduced diameter groove portion by providing an annular reduced diameter groove portion on an outer peripheral surface of the cylindrical portion of the hub member. Item 3. A rotary atomizing head according to Item 2.
【請求項5】 前記霧化頭本体のハブ嵌合段部はその底
面を回転中心に向って傾斜した傾斜底面として形成し、
前記ハブ部材の筒部はその後端面を該傾斜底面に対応し
た傾斜後端面として形成してなる請求項1または2に記
載の回転霧化頭。
5. The hub fitting step of the atomizing head body has a bottom surface formed as an inclined bottom surface inclined toward a center of rotation.
3. The rotary atomizing head according to claim 1, wherein the cylindrical portion of the hub member has a rear end surface formed as an inclined rear end surface corresponding to the inclined bottom surface.
【請求項6】 前記霧化頭本体のハブ嵌合段部はその内
周面を回転中心に向って傾斜した傾斜内周面として形成
し、前記ハブ部材の筒部はその外周面を該傾斜内周面に
対応した傾斜外周面として形成してなる請求項1または
2に記載の回転霧化頭。
6. The hub fitting step portion of the atomizing head main body is formed as an inclined inner peripheral surface whose inner peripheral surface is inclined toward the center of rotation, and the cylindrical portion of the hub member has its outer peripheral surface inclined by the inclined surface. 3. The rotary atomizing head according to claim 1, wherein the rotary atomizing head is formed as an inclined outer peripheral surface corresponding to the inner peripheral surface.
【請求項7】 前記ハブ部材の筒部外周面に前記リング
嵌着溝を設け、前記霧化頭本体のハブ嵌合段部内周面に
前記リング係合面を設けてなる請求項2に記載の回転霧
化頭。
7. The hub according to claim 2, wherein the ring fitting groove is provided on the outer peripheral surface of the cylindrical portion of the hub member, and the ring engaging surface is provided on the inner peripheral surface of the hub fitting step portion of the atomizing head body. Rotating atomizing head.
【請求項8】 前記霧化頭本体のハブ嵌合段部内周面に
前記リング嵌着溝を設け、前記ハブ部材の筒部外周面に
前記リング係合面を設けてなる請求項2に記載の回転霧
化頭。
8. The atomizing head body according to claim 2, wherein the ring fitting groove is provided on an inner peripheral surface of a hub fitting step portion, and the ring engaging surface is provided on an outer peripheral surface of a cylindrical portion of the hub member. Rotating atomizing head.
【請求項9】 前記ハブ部材の筒部外周面に前記リング
嵌着溝を設け、前記霧化頭本体のハブ嵌合段部内周面に
前記リング係合面を設けると共に、前記霧化頭本体のハ
ブ嵌合段部はその底面を回転中心に向って傾斜した傾斜
底面として形成し、前記ハブ部材の筒部はその後端面を
該傾斜底面に対応した傾斜後端面として形成してなる請
求項2に記載の回転霧化頭。
9. The atomizing head main body, wherein the ring fitting groove is provided on the outer peripheral surface of the cylindrical portion of the hub member, the ring engaging surface is provided on the inner peripheral surface of the hub fitting step portion of the atomizing head main body. 3. The hub fitting step portion of claim 2, wherein the bottom surface is formed as an inclined bottom surface inclined toward the center of rotation, and the cylindrical portion of the hub member has a rear end surface formed as an inclined rear end surface corresponding to the inclined bottom surface. The rotary atomizing head described in.
【請求項10】 前記霧化頭本体のハブ嵌合段部内周面
に前記リング嵌着溝を設け、前記ハブ部材の筒部外周面
に前記リング係合面を設けると共に、前記霧化頭本体の
ハブ嵌合段部はその底面を回転中心に向って傾斜した傾
斜底面として形成し、前記ハブ部材の筒部はその後端面
を該傾斜底面に対応した傾斜後端面として形成してなる
請求項2に記載の回転霧化頭。
10. The atomizing head main body, wherein the ring fitting groove is provided on an inner peripheral surface of a hub fitting step portion of the atomizing head main body, and the ring engaging surface is provided on a cylindrical outer peripheral surface of the hub member. 3. The hub fitting step portion of claim 2, wherein the bottom surface is formed as an inclined bottom surface inclined toward the center of rotation, and the cylindrical portion of the hub member has a rear end surface formed as an inclined rear end surface corresponding to the inclined bottom surface. The rotary atomizing head described in.
【請求項11】 前記ハブ部材の筒部外周面に前記リン
グ嵌着溝を設け、前記霧化頭本体のハブ嵌合段部内周面
に前記リング係合面を設けると共に、前記霧化頭本体の
ハブ嵌合段部はその内周面を回転中心に向って傾斜した
傾斜内周面として形成し、前記ハブ部材の筒部はその外
周面を該傾斜内周面に対応した傾斜外周面として形成し
てなる請求項2に記載の回転霧化頭。
11. The atomizing head main body, wherein the ring fitting groove is provided on the outer peripheral surface of the cylindrical portion of the hub member, and the ring engaging surface is provided on the inner peripheral surface of the hub fitting step portion of the atomizing head main body. The hub fitting step portion is formed as an inclined inner peripheral surface whose inner peripheral surface is inclined toward the center of rotation, and the cylindrical portion of the hub member has its outer peripheral surface defined as an inclined outer peripheral surface corresponding to the inclined inner peripheral surface. 3. The rotary atomizing head according to claim 2, wherein the head is formed.
【請求項12】 前記霧化頭本体のハブ嵌合段部内周面
に前記リング嵌着溝を設け、前記ハブ部材の筒部外周面
に前記リング係合面を設けると共に、前記霧化頭本体の
ハブ嵌合段部はその内周面を回転中心に向って傾斜した
傾斜内周面として形成し、前記ハブ部材の筒部はその外
周面を該傾斜内周面に対応した傾斜外周面として形成し
てなる請求項2に記載の回転霧化頭。
12. The atomizing head main body, wherein the ring fitting groove is provided on an inner peripheral surface of a hub fitting step portion of the atomizing head main body, and the ring engaging surface is provided on a cylindrical outer peripheral surface of the hub member. The hub fitting step portion is formed as an inclined inner peripheral surface whose inner peripheral surface is inclined toward the center of rotation, and the cylindrical portion of the hub member has its outer peripheral surface defined as an inclined outer peripheral surface corresponding to the inclined inner peripheral surface. 3. The rotary atomizing head according to claim 2, wherein the head is formed.
JP35719996A 1995-12-28 1996-12-26 Rotary atomizing head Expired - Fee Related JP3266531B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP35719996A JP3266531B2 (en) 1995-12-28 1996-12-26 Rotary atomizing head

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7-354060 1995-12-28
JP35406095 1995-12-28
JP35719996A JP3266531B2 (en) 1995-12-28 1996-12-26 Rotary atomizing head

Publications (2)

Publication Number Publication Date
JPH09234393A JPH09234393A (en) 1997-09-09
JP3266531B2 true JP3266531B2 (en) 2002-03-18

Family

ID=26579977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP35719996A Expired - Fee Related JP3266531B2 (en) 1995-12-28 1996-12-26 Rotary atomizing head

Country Status (1)

Country Link
JP (1) JP3266531B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5830612B2 (en) * 2012-10-01 2015-12-09 日産自動車株式会社 Bell cup of rotary atomizing electrostatic coating equipment

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EP1250961B1 (en) * 2000-11-30 2004-03-03 Abb K.K. Rotary atomizing head
JP5183163B2 (en) * 2007-11-16 2013-04-17 旭サナック株式会社 Rotating atomizing head
JP4494498B2 (en) * 2008-06-12 2010-06-30 トヨタ自動車株式会社 Rotating atomizing head, rotating atomizing coating apparatus and rotating atomizing coating method
JP5677323B2 (en) * 2010-01-06 2015-02-25 ランズバーグ・インダストリー株式会社 Rotating atomizing head of electrostatic coating machine
JP5504100B2 (en) 2010-08-25 2014-05-28 ランズバーグ・インダストリー株式会社 Rotating atomizing head for electrostatic coating machine
WO2015114924A1 (en) 2014-01-29 2015-08-06 本田技研工業株式会社 Rotary atomizing coating device and spray head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5830612B2 (en) * 2012-10-01 2015-12-09 日産自動車株式会社 Bell cup of rotary atomizing electrostatic coating equipment

Also Published As

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