WO2018079483A1

WO2018079483A1 - Fastener

Info

Publication number: WO2018079483A1
Application number: PCT/JP2017/038179
Authority: WO
Inventors: 熊川　靖
Original assignee: 株式会社パイオラックス
Priority date: 2016-10-28
Filing date: 2017-10-23
Publication date: 2018-05-03
Also published as: JP6659868B2; JPWO2018079483A1

Abstract

A fastener 10 to be fixed to a mounting face of a member to be mounted has a liquid adhesive bag 24 that contains a liquid adhesive therein and that is disposed inside a cylindrical portion 30. An insertion member 22 is inserted into the cylindrical portion 30 and breaks the liquid adhesive bag 24. The cylindrical portion 30 has a first opening 48 into which the insertion member 22 is inserted, a second opening 50 on the mounting face side, and an adhesive face for adhering to the mounting face. The liquid adhesive bag 24 is broken by the insertion member 22 being pressed toward the second opening 50 and the liquid adhesive flows out from the second opening 50 to the mounting face.

Description

Fastener

The present invention relates to a fastener attached to a member to be attached.

The electric wire fixture disclosed in Patent Document 1 has a band unit for binding electric wires and a fixing unit for fixing to a bolt. This fixing unit has a socket-shaped outer shell member and an adhesive enclosure provided inside the outer shell member. When the bolt is inserted into the outer shell member, the adhesive enclosure is torn and the inner adhesive flows out, thereby bonding the outer shell member and the bolt.

JP 11-98654 A

The electric wire fixture disclosed in Patent Document 1 uses bolts for attachment to the attachment surface of the vehicle body panel or the interior panel, and the attachment of the bolts is necessary for attachment to the attachment surface without the bolts.

The present invention has been made in view of such problems, and an object of the present invention is to provide a fastener that can be easily attached to an attachment surface not provided with a bolt or an insertion hole.

In order to solve the above problems, a fastener according to an aspect of the present invention is a fastener for fixing to a mounting surface of a member to be attached, and includes a tubular portion and an adhesive liquid, An adhesive liquid bag disposed inside and an insertion member that is inserted into the tubular portion and breaks the adhesive liquid bag. The cylindrical portion has a first opening into which the insertion member is inserted, a second opening on the attachment surface side, and an adhesion surface for adhering to the attachment surface. The insertion member is pushed toward the second opening to break the adhesive bag, and the adhesive flows out from the second opening to the mounting surface.

According to the present invention, it is possible to provide a fastener that can be easily attached to an attachment surface that is not provided with a bolt or an insertion hole.

Fig.1 (a) is a side view of the fastener of an Example, FIG.1 (b) is sectional drawing of a fastener. 2A is a plan view of the main body, and FIG. 2B is a bottom view of the main body. It is sectional drawing of a fastener. It is a top view which shows the main body which accommodated the adhesive liquid bag. It is a figure for demonstrating the fastener of the state adhering to the to-be-attached member. It is a figure for demonstrating the fastener of a modification.

FIG. 1A is a side view of the fastener 10 according to the embodiment, and FIG. 1B is a cross-sectional view of the fastener 10. The cross section of the fastener 10 shown in FIG. 1 (b) is along the longitudinal direction of the band 34 through the center of the main body 20.

The fastener 10 is used to attach the attachment member to the attached member. For example, the fastener 10 is used for fixing a hose or a wire harness to a vehicle body panel or an interior panel. That is, there are a hose and a wire harness as attachment members, and there are a vehicle body panel and an interior panel as attachment members. Further, the attachment member may be integrally connected to the fastener 10 as a decorative member.

As shown in FIG. 1B, the fastener 10 includes a main body 20, an insertion member 22 that is inserted into the cylindrical portion 30 of the main body 20, and an adhesive liquid bag 24 that is accommodated in the cylindrical portion 30. . The fastener 10 pushes the insertion member 22 to break the adhesive liquid bag 24 and causes the adhesive liquid to flow out, and is fixed to the mounting surface of the mounted member.

The main body 20 includes a cylindrical portion 30, a band fastening portion 32, and a band 34, and is formed of a resin material. Although details will be described later, the cylindrical portion 30 accommodates the adhesive liquid bag 24 and is fixed to the attachment surface of the member to be attached by the adhesive liquid.

The band 34 is formed in a band shape, is tightened around the attachment member, and is held by the band fastening portion 32. The band 34 has a multistage claw 34a formed along the longitudinal direction. The band 34 extends from the band fastening portion 32.

The band fastening portion 32 is connected to the outer surface of the tubular portion 30 and is formed in a tubular shape having a rectangular cross section. The band fastening portion 32 supports the band 34 and locks the inserted band 34. The band fastening portion 32 includes an insertion hole 40 through which the band 34 is inserted, and a locking claw 42 formed in the insertion hole 40 so as to be able to bend. The locking claw 42 is locked to the multi-stage claw 34 a of the band 34 and functions as a retaining stopper for the band 34.

The insertion member 22 is held in a state where a part of the insertion member 22 is inserted into the cylindrical portion 30, and can slide within the cylindrical portion 30. The adhesive liquid bag 24 is disposed inside the cylindrical portion 30 and encloses the adhesive liquid. The insertion member 22 breaks the adhesive liquid bag 24 by pressing or the like and causes the adhesive liquid to flow out. The distal end portion of the insertion member 22 is formed in a substantially cubic shape according to the shape of the inner peripheral surface of the cylindrical portion 30 and presses the adhesive liquid bag 24 and pushes the adhesive liquid that has flowed out to the outside.

2 (a) is a plan view of the main body 20, and FIG. 2 (b) is a bottom view of the main body 20. FIG. The cylindrical portion 30 includes a flange portion 36, a bottom portion 38, a holding claw 44, a guide groove portion 46, a first opening portion 48, a second opening portion 50, a hole portion 52, a back side groove portion 54, and a retaining claw 56.

As shown in FIG. 2B, the bottom surface of the bottom portion 38 and the flange portion 36 constitute the same surface and function as an adhesive surface 58 that is bonded to the mounting surface. The bottom 38 is plate-shaped, and the second opening 50 is formed in the bottom 38 so as to cut out both sides, and a hole 52 is formed in the center. The flange portion 36 has a plate shape and projects outward from the tubular portion 30. By providing the flange portion 36 on the outer side of the bottom portion 38, the bonding surface 58 can be expanded, and a sufficient bonding area can be secured while reducing the size of the cylindrical portion 30.

A plurality of back side grooves 54 are provided on the bonding surface 58. The back-side groove portion 54 is formed from the second opening 50 to the flange portion 36 to facilitate the movement of the adhesive liquid from the second opening 50 to the flange portion 36. Further, the back side groove 54 extending from the second opening 50 to the bottom 38 facilitates the movement of the adhesive liquid from the second opening 50 to the bottom 38.

The first opening 48 and the second opening 50 are respectively located at both axial ends of the cylindrical portion 30, the first opening 48 receives the insertion member 22 on the upper side, and the second opening 50 is on the bottom 38 side. It functions as an outlet for adhesive liquid. The second opening 50 partially penetrates the bottom 38 and is formed on both sides of the bottom 38. The hole 52 also functions as an adhesive outlet.

A plurality of holding claws 44 are formed to protrude from the inner wall surface 59 of the cylindrical portion 30. The holding claws 44 hold the insertion member 22 as shown in FIG. 1B and suppress the movement of the insertion member 22 toward the bottom 38.

The guide groove 46 is formed to be recessed in the inner wall surface 59 of the cylindrical portion 30 as shown in FIG. The guide groove 46 slidably receives the engaging claw of the insertion member 22 and guides the insertion of the insertion member 22. As shown in FIG. 2A, the retaining claw 56 is formed so as to protrude into the guide groove 46 and is located above the holding claw 44. The retaining claws 56 prevent the insertion member 22 from coming out of the first opening 48.

FIG. 3 is a cross-sectional view of the fastener 10. The cross section of the fastener 10 shown in FIG. 3 is the position of the line segment AA of the main body 20 shown in FIG.

The insertion member 22 has an engaging claw 62 formed so as to protrude from the tip side of both side surfaces. The engaging claw 62 engages with the retaining claw 56 and restricts the movement of the insertion member 22 from the first opening 48. The holding claw 44 of the cylindrical portion 30 is prevented from moving toward the bottom 38 by hitting the edge on the distal end side of the insertion member 22. Since the holding claw 44 is inclined downward, the insertion member 22 gets over the holding claw 44 when the insertion member 22 is pushed.

A protrusion 60 is formed at the tip of the insertion member 22. The protrusion 60 can enter the hole 52 on the bottom 38 side, and pushes the adhesive liquid bag 24 into the hole 52 so that the adhesive liquid bag 24 is easily broken. In the modified example, the tip of the protrusion 60 may be sharply conical, and may be configured to pierce and break the adhesive liquid bag 24 when the insertion member 22 is pushed.

The adhesive bag 24 contains the adhesive 70 and has seal portions 72 at both ends. The adhesive liquid bag 24 is accommodated between the bottom portion 38 and the insertion member 22 and placed on the bottom portion 38. The insertion member 22 and the bottom portion 38 prevent the adhesive bag 24 from coming out of the cylindrical portion 30. The seal portion 72 is formed by closing the bag by heat welding. The bottom 38 has an inclined surface 38 a so as to descend from the center side toward the second opening 50. The bottom portion 38 is reduced in thickness from the center toward the second opening 50 by the inclined surface 38a. Due to the inclined surface 38 a, the adhesive liquid 70 that has come out of the adhesive liquid bag 24 moves toward the second opening 50. In the modification, an inclined surface may be provided on the distal end surface of the insertion member 22 in accordance with the inclination of the inclined surface 38a, and the surface may contact each other.

FIG. 4 is a plan view showing the main body 20 in which the adhesive bag 24 is accommodated. The seal portions 72 at both ends of the adhesive liquid bag 24 are disposed toward the pair of second openings 50. That the seal part 72 is arranged toward the second opening part 50 means that the second opening part 50 is arranged on an arbitrary extension line passing through the seal part 72 from the center of the adhesive liquid bag 24, or It means that the second opening 50 is disposed on an extension line passing from the center of the adhesive bag 24 through the center of the seal portion 72.

The seal portion 72 is a portion that is easily broken when pressed by the insertion member 22, and the adhesive liquid 70 that has come out of the seal portion 72 travels toward the second opening 50. As described above, the seal portion 72 of the adhesive liquid bag 24 is arranged close to the second opening 50 toward the second opening 50, so that the adhesive 70 can easily pass through the second opening 50. .

The second opening 50 is located at the end in the cylindrical portion 30 and is formed so as to penetrate the bottom 38 along the inner wall surface 59. That is, the inner wall surface 59 penetrates to the back side on the same surface and defines one side of the second opening 50. As a result, when the adhesive liquid 70 discharged from the adhesive liquid bag 24 is scattered on the inner wall surface 59, it can flow out of the second opening 50 along the inner wall surface 59.

FIG. 5 is a view for explaining the fastener 10 in a state of being fixed to the mounted member 12. The user holds the mounting member with the band 34, places the main body 20 on the mounting surface 12 a of the mounted member 12, pushes the insertion member 22 from the top toward the bottom 38, and presses it for several tens of seconds to complete the mounting work. To do. While the user presses the insertion member 22, the adhesive liquid 70 that has flowed out hardens, adheres the adhesive surface 58 and the attachment surface 12 a, and secures the insertion member 22 to the cylindrical portion 30.

When the insertion member 22 is pushed toward the second opening 50, the tip of the insertion member 22 presses the adhesive liquid bag 24, breaks the seal portion 72, and the adhesive liquid 70 that comes out of the adhesive liquid bag 24 is the first. 2 flows out through the opening 50 to the bonding surface 58 and the mounting surface 12a. The adhesive liquid 70 that has flowed out toward the adhesive surface 58 spreads along the back-side groove 54. The protrusion 60 pushes the adhesive liquid bag 24 into the hole 52 so that the adhesive liquid bag 24 can be easily broken. Further, the distal end portion of the insertion member 22 has a pushing surface that is approximately the same size as the inner peripheral surface of the cylindrical portion 30, and the adhesive liquid 70 that has come out of the adhesive liquid bag 24 passes over the distal end portion of the insertion member 22. It is configured to be difficult to move to the first opening 48 side and to be pushed out to the second opening 50. The adhesive liquid 70 spreads through the back-side groove 54 after exiting from the second opening 50 to the adhesive surface 58 side.

As described above, since the insertion member 22 can be easily pushed into the mounting surface 12a without being aligned with the bolt or the mounting hole, the mounting can be easily performed. Therefore, it is easy even in a place where only the user's arm enters the assembled vehicle. Can be attached. Further, since no bolts or attachment holes are required, the manufacturing cost can be reduced, and the provision of the attachment holes is useful for carbon fiber panels whose strength tends to decrease and for thin body panels of electric vehicles.

FIG. 6 is a diagram for explaining a modified fastener 100. The fastener 100 of the modification is different from the fastener 10 shown in FIG. 3 in that the adhesive liquid bag 124 is held by the insertion member 122 and the insertion member 122 and the cylindrical portion 130 are integrated.

The thin portion 80 is formed from the inner peripheral surface on the upper end side of the cylindrical portion 130 to the outer peripheral surface on the lower end side of the insertion member 122. The thin portion 80 integrally connects the tubular portion 130 and the insertion member 122. In addition, in order to die-cut the cylindrical part 130 and the insertion member 122 integrally, the bottom part is not formed in the cylindrical part 130, and the 2nd opening part 50 is formed through the inner peripheral whole region of the cylindrical part 130. The

The adhesive liquid bag 124 has a central hole 124a for fitting into the protrusion 60, and is formed in an annular shape. The protrusion 60 is press-fitted into the central hole 124 a of the adhesive liquid bag 124, and the adhesive liquid bag 124 is held by the insertion member 122. In the modification, the adhesive bag 124 may be fixed to the insertion member 122 with an adhesive tape or the like.

When the user places the main body 120 on the attached member 12 and pushes in the insertion member 122, the thin portion 80 is broken, the insertion member 122 moves toward the second opening 50, and the adhesive bag 124 is attached. It is pressed against the surface 12a and is torn. The adhesive liquid 70 flows out to the adhesive surface 58 on the back side of the flange portion 36 and hardens to fix the insertion member 122 and the cylindrical portion 130 to the mounting surface 12a.

The assembly process can be simplified by integrally forming the insertion member 122 and the cylindrical portion 130. Further, the posture of the adhesive liquid bag 124 can be stabilized by holding the adhesive liquid bag 124 on the insertion member 122.

The present invention is not limited to the above-described embodiments, and various modifications such as design changes can be added to the embodiments based on the knowledge of those skilled in the art. Embodiments described may also be included within the scope of the present invention.

In the embodiment, the protrusion 60 is provided on the insertion member 22 and the hole 52 is provided on the bottom 38, but the present invention is not limited to this. For example, the insertion member 22 may be provided with a hole, and the bottom 38 may be provided with a protrusion that enters the hole. Moreover, although the hole part 52 is provided in the bottom part 38, the aspect which does not provide the protrusion 60 in the insertion member 22 may be sufficient.

In the embodiment, an embodiment in which one adhesive liquid bag 24 is accommodated in the cylindrical portion 30 is shown, but the present invention is not limited to this, and a plurality of adhesive liquid bags 24 may be accommodated. The plurality of adhesive liquid bags 24 may be connected, and the adhesive liquid 70 may be divided into a plurality of liquid chambers. For example, a seal portion by heat welding is provided in the central portion of the adhesive liquid bag 24 shown in FIG. 4 to divide the adhesive liquid 70 into left and right liquid chambers. In the case of one adhesive liquid bag 24, only one of the seal portions 72 at both ends may be torn. However, in the case of a plurality of adhesive liquid bags 24, the respective adhesive liquid bags 24 are torn and more adhesive liquid 70 is used. It is possible to flow out evenly onto the bonding surface 58.

In the embodiment, the mode in which the fastener 10 is fixed to the flat mounting surface 12a is shown, but the present invention is not limited to this mode. For example, the attachment surface 12a may be curved or stepped. In this case, the adhesive surface 58 is formed in a curved shape or a step shape according to the shape of the mounting surface 12a. In any case, if the bonding area where the mounting surface 12a and the bonding surface 58 are in contact is sufficiently secured, the fastener 10 can be fixed regardless of the shape of the mounting surface 12a.

10 fasteners, 12 mounted members, 12a mounting surface, 20 body, 22 insert members, 24 adhesive liquid bag, 30 cylindrical part, 32 band fastening part, 34 band, 34a multistage claw, 36 flange part, 38 bottom part, 38a Inclined surface, 40 insertion hole, 42 locking claw, 44 holding claw, 46 guide groove, 48 first opening, 50 second opening, 52 hole, 54 backside groove, 56 retaining claw, 58 adhesive surface, 59 Inner wall surface, 60 protrusions, 62 engaging claws, 70 adhesive liquid, 72 seal parts, 80 thin parts.

Claims

A fastener for fixing to the mounting surface of the mounted member,
A tubular part;
Including an adhesive liquid, and an adhesive liquid bag disposed inside the cylindrical portion;
An insertion member that is inserted into the tubular portion and breaks the adhesive bag.
The cylindrical part is
A first opening into which the insertion member is inserted;
A second opening on the mounting surface side;
An adhesive surface for adhering to the mounting surface;
The fastener, wherein the insertion member is pushed toward the second opening to break the adhesive liquid bag, and the adhesive liquid flows out from the second opening to the mounting surface.
The cylindrical portion has a bottom portion on the mounting surface side,
The second opening partially penetrates the bottom;
The fastener according to claim 1, wherein the adhesive liquid bag is accommodated between the bottom portion and the insertion member.
The bottom portion has either a hole or a protrusion on the inside,
The insertion member has either the hole or the protrusion that engages with the hole or the protrusion at the bottom,
The fastener according to claim 2, wherein the adhesive bag is pushed into the hole by the protrusion when the insertion member is pushed.
The fastener according to claim 2 or 3, wherein the second opening is formed so as to penetrate the bottom along the inner wall surface of the cylindrical portion.
A thin portion that integrally connects the tubular portion and the insertion member;
The second opening is formed through the entire inner circumference of the cylindrical portion,
The fastener according to claim 1, wherein the thin portion is broken by pushing the insertion member, and the adhesive bag is pushed against the mounting surface and is broken.