JP2008085008A - Member fixing holder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a member fixing holder by which a user can easily attach and remove a member formed as a separate member such as a printed circuit board from a member mounted with a simple arrangement and can easily remove such a member as the mounted printed circuit board even when mounted to a support member. <P>SOLUTION: A member fixing holder 1 comprises a first fixing unit 3 inserted in a through-hole 11 formed in a sheet metal frame 10 provided at one end 2a of a holder main body 2 as a mount base, and also comprises a second fixing unit 4 inserted in a through-hole 21 formed in the printed circuit board 20 mounted to the sheet metal frame 10 at the other end 2b. The member fixing holder fixes the sheet metal frame 10 and the printed circuit board 20 with the through-holes 11, 21 positioned nearly on the same axis. The member fixing holder also comprise a lock releasing member 5 for releasing the fixed state of the first fixing unit 3 from the side of the printed circuit board 20 of the holder main body 2. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a member fixing holder, and more particularly to a member fixing holder for fixing a printed circuit board used for an electronic device or the like to an apparatus main body.

  Conventionally, when fixing a printed circuit board or the like to an electronic device, for example, a method of attaching an operation panel, a display board, and a printed circuit board with screws is generally used because it is simple and inexpensive.

  However, fixing and assembling takes time, and it is necessary to turn the screws and separate them one by one when disassembling them for disposal.

Therefore, instead of screwing, using columnar support members provided with locking portions on both ends, the locking portions on one end side are inserted into the through holes formed in the lid portion or the box portion and locked, The other end side supporting portion is inserted into a through-hole formed in the printed circuit board and locked (see Patent Document 1), and in order to secure the mounting state, the locking portion has a shaft. There has been proposed a method in which a locking portion is opened by inserting a pin to stabilize the locking state (see Patent Document 2).
Japanese Utility Model Publication No. 1-6081 JP 2001-168555 A

  However, in the prior art printed circuit board fixing method, when the removal work is performed from the printed circuit board side, the support member must be removed in a state of being attached to the attachment base side such as a frame metal plate. Therefore, when a printed circuit board that has been removed as a single unit is temporarily placed on a work desk or the like, care must be taken so that the work desk and components on the printed circuit board do not come into contact with each other and damage the components.

  On the other hand, if the printed circuit board can be removed with the support member attached to the printed circuit board, the support member becomes a “foot” so that the work desk and the parts on the printed circuit board do not come in contact with each other. It is necessary to perform the removal work from the back side of the base portion, and workability is deteriorated.

  The present invention has been made in view of the conventional problems, and can easily attach and detach a member constituted by a separate body such as a printed board from a member attached with a simple structure, and has been attached. It is an object of the present invention to provide a member fixing holder that can be easily removed even when a member such as a printed circuit board is attached to a support member.

The member fixing holder according to the present invention for solving the above-described problems is as follows.
The member fixing holder according to claim 1 includes, for example, first fixing means that is inserted into a through-hole formed in a first member such as a sheet metal frame serving as a mounting base on one end side of the holder body. A second fixing means that is inserted into a through hole formed in a second member such as a printed circuit board attached to the first member on the other end side, and the through hole is arranged substantially coaxially; A member fixing holder for fixing the first member and the second member, comprising: a releasing means for releasing the fixing state of the first fixing means from the second member side of the holder body. It is what.

  In the present invention, the holder main body includes a rod shape, a columnar shape, and a cylindrical shape, and the first member and the second member are fixed to both ends of the holder main body via the holder main body. is there. The first member includes a plate-like member such as a sheet metal frame or a member having a plate-like portion. In addition, the second member includes a plate-like member such as a so-called subframe disposed in a printed circuit board or an apparatus.

  In addition to the structure of the invention described in claim 1, the member fixing holder described in claim 2 forms a hollow portion along the axis extending from one end side to the other end side as the structure of the holder body. The release means is disposed in the hollow portion along the axis of the holder body, and one end side of the release means is connected to the first fixing means.

  In addition to the structure of the invention described in claim 1 or 2, the member fixing holder described in claim 3 is directed to the other end side from one end side of the holder body as a structure of the first fixing means. Accordingly, the release means includes a first claw portion having an inclined portion that expands outward with respect to the axis of the holder main body, and the first claw portion is extendable and retractable along the axis of the holder main body. The inclined portion is formed so as to be able to expand and contract in conjunction with the operation of the release means, and the second fixing means is configured as one end side from the other end side of the holder body. A second claw portion having an inclined portion that is expanded outward with respect to the axis of the holder main body, and the inclined portion can be expanded and contracted. It is characterized in that it is formed.

  In the member fixing holder according to claim 4, in addition to the configuration of the invention according to any one of claims 1 to 3, the second fixing means is formed as a configuration of the holder body. And a finger hook portion protruding outward from the outer peripheral portion along the axis of the holder body.

  In addition to the structure of the invention described in claim 4, the member fixing holder described in claim 5 is configured such that the finger-hanging portion can pass through a through hole formed in the second member. It is what.

  According to a sixth aspect of the present invention, there is provided the member fixing holder according to any one of the third to fifth aspects. A first holding portion that is disposed opposite to the first portion and sandwiches the first member, and is disposed opposite to the second claw portion at the other end portion to sandwich the second member. The second holding unit is provided.

  According to a seventh aspect of the present invention, there is provided a member fixing holder, in addition to the configuration of the invention according to any one of the first to sixth aspects, the holder main body, the first fixing means, the second fixing means, and The release means is formed by integral molding.

According to the first aspect of the present invention, the holder body is provided with the first fixing means inserted into the through hole formed in the first member such as a sheet metal frame serving as a mounting base on one end side of the holder body, and the other end side. And a second fixing means inserted into a through hole formed in a second member such as a printed circuit board attached to the first member. The first through hole is disposed substantially coaxially. In the member fixing holder for fixing the member and the second member, a release means for releasing the fixed state of the first fixing means from the second member side of the holder main body is provided. The 2nd member comprised by another bodies, such as a printed circuit board, can be easily attached or detached from 1 member.
In addition, the releasing means can be easily removed from the second member side in a state where the second member such as the attached printed circuit board is attached to the support member.

Moreover, according to invention of Claims 2-6, in addition to the said common effect obtained by the invention of Claim 1, the following effect can be acquired.
That is, according to the invention described in claim 2, as a configuration of the holder main body, a hollow portion is formed along an axis extending from one end side to the other end side thereof, and the release means is arranged on the axis of the holder main body. It is arranged in the hollow portion along the long side, and one end side thereof is connected to the first fixing means, so that the first fixing means is operated in conjunction with the first fixing means by operating the release means. The fixed state between the through hole of the member and the first fixing means can be easily released.

  According to the invention described in claim 3, in addition to the effect obtained by the invention described in claim 1 or 2, as the configuration of the first fixing means, the holder body is directed from one end side to the other end side. And a first claw portion having an inclined portion that expands outward with respect to the outer peripheral portion along the axis of the holder main body, and the first claw portion is provided along the axis of the holder main body. A first member by the first fixing means, wherein the first fixing means is connected to one end of the releasing means so as to be extendable and formed so that the inclined portion can be expanded and contracted in conjunction with the operation of the releasing means; As the configuration of the second fixing means, the outer side of the holder main body moves outward from the outer peripheral portion along the axis of the holder main body as it goes from the other end side to the one end side. A second claw portion having an inclined portion that widens oppositely, Of the claw portions, that the inclined portion is formed to be expanded and ChijimiHiraki, attachment and detachment manipulation of the second member by the second fixing means can be easily performed.

  According to the invention described in claim 4, in addition to the effect obtained by the invention according to any one of claims 1 to 3, the second fixing means is formed as a configuration of the holder body. By providing a finger-hanging portion that protrudes toward the outside of the outer peripheral portion along the axis of the holder main body on the other end side, the operator can easily work by hooking a finger on the finger-hanging portion when performing attachment / detachment work It can be performed.

  According to the invention described in claim 5, in addition to the effect obtained by the invention described in claim 4, the finger-hanging portion is configured to be able to pass through the through hole formed in the second member. The second member such as the printed board can be easily attached and detached.

  According to the invention described in claim 6, in addition to the effect obtained by the invention described in any one of claims 3 to 5, as the configuration of the holder main body, By providing the first holding portion that is disposed to face the claw portion and clamps the first member, the second member can be easily fixed to the first member with a simple configuration, and the second portion is attached to the other end portion. The second member can be easily held with a simple configuration by being provided with the second holding portion that is disposed to face the claw portion and sandwiches the second member.

  According to the invention described in claim 7, in addition to the effect obtained by the invention described in any one of claims 1 to 6, the holder main body, the first fixing means, the second fixing means. Further, by forming the release means and the release means by integral molding, it can be produced simply and inexpensively.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a side view showing a configuration of a member fixing holder according to the present embodiment.

  As shown in FIG. 1, the member fixing holder 1 according to the present embodiment includes, for example, a sheet metal frame (first member) 10 and a printed circuit board (second member) 20 on an apparatus main body side such as an electronic device (not shown). Is detachably fixed.

  The member fixing holder 1 includes a cylindrical holder main body 2, and a first fixing portion (first fixing portion) inserted into a through hole 11 formed in the sheet metal frame 10 on the apparatus side on one end side 2 a of the holder main body 2. 2) and a second fixing portion (second fixing means) 4 to be inserted into the through-hole 21 formed in the printed circuit board 20 on the other end 2b, and the through-holes 11 and 21 are provided. The sheet metal frame 10 and the printed circuit board 20 are fixed substantially coaxially and fixed to the sheet metal frame 10 of the first fixing portion 3 from the other end side (printed circuit board side) 2b of the holder body 2. A fixing release member (release means) 5 for releasing the state is provided.

  The holder main body 2 is formed with a hollow portion 2c along an axis extending from one end side 2a to the other end side 2b, and a fixing release member 5 is disposed along the axis of the holder main body 2 in the hollow portion 2c. . The unlocking member 5 has a rod shape, one end portion 5a thereof is connected to the first fixing portion 3, and the other end portion 5b protrudes from the boulder body 2 and protrudes from a finger hook portion 6 located at an end portion described later. Is arranged in.

The first fixing portion 3 includes a first claw portion 3 a that is locked to the through hole 11 of the sheet metal frame 10. The first claw portion 3a is formed with an inclined portion 3a1 that expands outward with respect to the axis of the holder body 2 from the one end side 2a of the holder body 2 toward the other end side 2b.
That is, the 1st nail | claw part 3a is formed in the wedge shape wide from the one end side 2a of the holder main body 2 toward the other end side 2b.

  The first claw portion 3 a is made of a material such as elastically deformable synthetic resin, and is formed to be stretchable along the axis of the holder body 2. And it connects with the one end part 5a of the fixation release member 5, and the inclination part 3a1 is expanded and contracted in response to operation | movement of the fixation release member 5. As shown in FIG.

  The inclined portion 3a1 is formed in the holder main body 2 so that the dimension in the direction substantially perpendicular to the axis (width direction) is larger than the diameter of the through hole 11 at the maximum expanded portion, and the dimension at the time of contraction is the through hole 11. It is formed so as to be smaller than the diameter.

The second fixing portion 4 includes a second claw portion 4 a that is locked to the through hole 21 of the printed circuit board 20. The second claw portion 4a is formed with an inclined portion 4a1 that expands outward with respect to the axis of the holder body 2 from the other end side 2b of the holder body 2 toward the one end side 2a.
That is, the 2nd nail | claw part 4a is formed in the wedge shape wide from the other end side 2b of the holder main body 2 toward the one end side 2a.

This 2nd nail | claw part is comprised with materials, such as a synthetic resin which can be elastically deformed, and the inclination part 4a1 is formed so that expansion and contraction are possible.
The inclined portion 4a1 is formed in the holder main body 2 so that the dimension in the direction substantially perpendicular to the axis (width direction) is larger than the diameter of the through hole 21 at the maximum expanded portion, and the dimension at the time of contraction is the through hole 21. It is formed so as to be smaller than the diameter.

A finger hook 6 is formed on the second fixing portion 4 on the outside of the second claw portion 4a.
The finger hooking portion 6 faces outward with respect to the axis of the holder main body 2 and is formed to project substantially in the same shape as the above-described second claw portion 4a. When the operator operates the member fixing holder 1, the finger hooking portion 6 is hung. It has been made easier. Further, the finger-hanging portion 6 is configured to be deformable in a direction substantially perpendicular to the axis of the holder body 2 and is configured to be able to pass through a through hole 21 formed in the printed board 20.

  In addition, the holder body 2 is provided with a first holding portion 7 disposed on one end side 2a of the holder body 2 so as to face the first claw portion 3a and sandwiching the sheet metal frame 10, and on the other end side 2b. A second holding portion 8 is provided which is disposed to face the claw portion 4a and sandwiches the printed circuit board 20.

  The 1st holding | maintenance part 7 and the 2nd holding | maintenance part 8 are protrudingly formed outward from each edge part of the holder main body 2, and are each a part of 1st nail | claw part 3a, or a 2nd nail | claw part. A gap is formed between the end of 4a so that the sheet metal frame 10 or the printed circuit board 20 can be sandwiched.

  The member fixing holder 1 configured as described above is configured such that the holder main body 2, the first fixing portion 3, the second fixing portion 4, and the fixing releasing member 5 are integrally formed of synthetic resin or the like. ing.

Next, the fixing operation of the sheet metal frame 10 and the printed circuit board 20 by the member fixing holder 1 according to the present embodiment will be described in detail with reference to the drawings.
FIG. 2 is a cross-sectional view showing a state in which the first member (sheet metal frame) and the second member (printed circuit board) are fixed by the member fixing holder according to the present embodiment.

  When the printed circuit board 20 is fixed to the sheet metal frame 10 by the member fixing holder 1, first, as shown in FIG. 2, first, the finger-holding portion 6 of the member fixing holder 1 is penetrated through the through hole 21 of the printed circuit board 20. The member is fixed so that the printed circuit board 20 is in contact with the second holding part 8 and is held between the second holding part 8 and the second claw part 4a through the second claw part 4a. The holder 1 is pushed into the printed circuit board 20.

  Next, in a state where the member fixing holder 1 is attached to the printed circuit board 20, the first claw portion 3 a on one end side of the member fixing holder 1 is pushed into the through hole 11 formed in the sheet metal frame 10 to penetrate therethrough. Then, the sheet metal frame 10 abuts on the first holding portion 7 and is held between the first holding portion 7 and the first claw portion 3a.

  When the first claw portion 3a is pushed into the through hole 11, the fixing release member 5 is pushed into the holder main body 2 side, the first claw portion 3a is further protruded, and the inclined portion 3a1 is contracted to be narrowed. May be easily penetrated.

  As described above, the printed circuit board 20 can be easily fixed to the sheet metal frame 10 by the member fixing holder 1.

Next, the work of disassembling the sheet metal frame 10 and the printed board 20 by the member fixing holder 1 will be described in detail with reference to the drawings.
FIG. 3 is a cross-sectional view showing a state where the member fixing holder according to the present embodiment is removed from the sheet metal frame.

  When removing the printed circuit board 20 from the sheet metal frame 10, as shown in FIG. 3, first, the fixing release member 5 is attached to the holder body 2 in a state where the printed circuit board 20 is fixed to the sheet metal frame 10 by the member fixing holder 1. Push in (arrow A direction).

  When the fixing release member 5 is pushed into the holder main body 2, the first claw portion 3a connected to the fixing release member 5 is extended downward in the figure and pushed down. Then, the inclined portion 3a1 of the first claw portion 3a is deformed in the direction of arrow B, so that the dimension of the holder body 2 in the direction substantially perpendicular to the axis (width direction) is larger than the diameter of the through hole 11 of the sheet metal frame 10. Narrow.

Thereby, the fixed state of the 1st fixing | fixed part 3 is cancelled | released, and the 1st nail | claw part 3a can be easily extracted from the through-hole 11 of the sheet-metal frame 10. FIG.
In this way, the printed board 20 can be easily removed from the sheet metal frame 10 in the state of being fixed to the member fixing holder 1 (in the direction of arrow C).

When removing the member fixing holder 1 from the printed circuit board 20, as shown in FIG. 3, by applying a force in the direction of arrow D to the second claw portion 4a, the inclined portion 4a1 is narrowed in the width direction for printing. The second fixing portion 4 can be pulled out from the through hole 21 in a state where the diameter is smaller than the diameter of the through hole 21 of the substrate 20.
In this way, the member fixing holder 1 can be easily removed from the printed circuit board 20.

  In the above description, when the printed board 20 is attached to the sheet metal frame 10, the member fixing holder 1 is attached to the sheet metal frame 10 together with the printed board 20 after the printed board 20 is attached to the member fixing holder 1. However, the procedure for attaching the printed circuit board 20 to the sheet metal frame 10 is not limited to the above. After the member fixing holder 1 is attached to the sheet metal frame 10, the printed board 20 is attached to the member fixing holder 1. Anyway.

  Further, when removing the printed circuit board 20 from the sheet metal frame 10, the procedure is not limited to the above-described procedure, and printing is performed from the member fixing holder 1 with the member fixing holder 1 attached to the sheet metal frame 10. The substrate 20 may be removed.

  Since it comprised as mentioned above, according to this embodiment, while the sheet metal frame 10 and the printed circuit board 20 can be easily fixed with the member fixing holder 1, it is printed from the state which fixed the sheet metal frame 10 and the printed circuit board 20. The member fixing holder 1 can be easily removed together with the printed board 20 from the board 20 side. In addition, it is also possible to remove only the printed circuit board 20 easily.

  Moreover, according to this embodiment, since the member fixing holder 1 is integrally configured with the fixing release member 5, the number of components to be configured is reduced to reduce the production cost, and the assembly and disassembly work is highly efficient. Can be achieved.

  In the present invention, the configuration of the member fixing holder 1 is not limited to this embodiment. For example, the fixing release member (release means) may be configured separately from the holder body 2. good. With this configuration, the structure of the member fixing holder can be simplified. If necessary, the fixing member can be used, or the mounting member can be assembled and disassembled using a jig or the like that functions in the same manner as the fixing member. It is also possible to perform.

  Further, in the present embodiment, the first member is the sheet metal frame 10 and the second member is the printed circuit board 20, but the present invention is not limited to the configuration of the first member and the second member. Each member is formed with a through hole or an attachment hole to which the first fixing means or the second fixing means of the member fixing holder is attached, and is associated with the first fixing means or the second fixing means. As long as the stopper has a shape that can be fixed, for example, a device frame, a subframe attached to the first member, a frame cover, or the like may be used as the first member, or a printed circuit board or a subframe may be used as the second member A plate-like member may be used, and various developments on the member are possible depending on the device configuration.

It is a side view which shows the structure of the holder for member fixation which concerns on this embodiment. It is sectional drawing which shows the state by which the 1st member (sheet metal frame) and the 2nd member (printed circuit board) were fixed with the said member fixing holder. It is sectional drawing which shows the state which removed the said holder for member fixation from the sheet-metal frame.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Member fixing holder 2 Holder main body 2a One end side 2b The other end side 2c Hollow part 3 1st fixing | fixed part (1st fixing means)
3a 1st nail | claw part 3a1 inclination part 4 2nd fixing | fixed part (2nd fixing means)
4a Second claw part 4a1 Inclined part 5 Fixing release member (release means)
5a one end part 5b other end part 6 finger hanging part 7 first holding part 8 second holding part 10 sheet metal frame (first member)
11, 21 Through hole 20 Printed circuit board (second member)

Claims (7)

A first fixing means to be inserted into a through-hole formed in a first member serving as a mounting base is provided on one end side of the holder body, and formed on a second member attached to the first member on the other end side. A member fixing holder for fixing the first member and the second member by disposing the second fixing means to be inserted into the formed through hole and arranging the through hole substantially coaxially;
A member fixing holder, comprising: release means for releasing the fixed state of the first fixing means from the second member side of the holder body. The holder body has a hollow portion formed along an axis extending from one end side to the other end side thereof,
2. The member fixing holder according to claim 1, wherein the releasing means is disposed in the hollow portion along an axis of the holder main body, and one end side of the releasing means is connected to the first fixing means. The first fixing means includes a first claw portion having an inclined portion that expands outward with respect to the axis of the holder body from one end side to the other end side of the holder body,
The first claw portion is connected to one end portion of the release means so as to be extendable and contractable along the axis of the holder body, and the inclined portion is formed to be able to expand and contract in conjunction with the operation of the release means. And
The second fixing means includes a second claw portion having an inclined portion that expands outward with respect to the axis of the holder body from the other end side of the holder body toward the one end side,
The member fixing holder according to claim 1, wherein the second claw portion is formed so that the inclined portion can be expanded and contracted.   The said holder main body is provided with the finger-hook part which protruded toward the outer side of the outer peripheral part along the axis line of the said holder main body in the other end side in which a said 2nd fixing means is formed. The holder for member fixation as described in any one of these.   The member fixing holder according to claim 4, wherein the finger hanging portion is configured to be able to pass through a through hole formed in the second member.   The holder main body is provided with a first holding portion disposed on one end side thereof so as to face the first claw portion and sandwiching the first member, and the second claw portion on the other end portion. 6. The member fixing holder according to claim 3, further comprising a second holding portion that is disposed so as to face the second member and sandwich the second member. 6.   6. The member fixing holder according to claim 1, wherein the holder main body, the first fixing means, the second fixing means, and the releasing means are formed by integral molding.

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