JP2009054622A - Clip - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a clip capable of holding a connection target and a planar connection target so that they are sandwiched even when the connection target must be disposed at a position away from the edge of the planar connection target. <P>SOLUTION: A clip body 3 having a first supporting portion 32 supporting a printed wiring board 21 is rotatably coupled to an arm 5 having a second supporting portion 52 supporting an electronic component 22 by using coupling portions 34, 53. The clip body 3 has a housing portion 31 having a housing space 33 capable of inserting the tip of the printed wiring board 21 to the front of insertion direction from the coupling portions 34, 53. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a clip, for example, a clip for maintaining a connection state between an electronic component and a printed wiring board.

  As a conventional technique, a base, an arm body pivotally supported by the base, a spring disposed between the base and the arm body, and an elastic body fixed to a holding surface of the arm body are provided. There is a clip-type connector (see Patent Document 1 below).

  The base has a base body, a connection board disposed on the lower surface of the base body, and a reinforcing plate disposed on the lower surface of the connection board. The connection substrate and the reinforcing plate are fixed to the base body with screws.

  A fixed connection terminal portion is formed at the front end portion of the upper surface of the connection substrate, and a connector socket is disposed at the rear end portion. The fixed connection terminal portion and the connector socket are connected by printed wiring formed on the upper surface of the connection board.

  The connector socket is connected to the inspection circuit via a flexible printed wiring board.

  The elastic body fixed to the arm body is pressed against the fixed connection terminal on the connection board of the base by the restoring force of the spring.

  This clip-type connector is used as follows.

  First, the arm body is opened against the return force of the spring.

  Next, the tip of the flexible printed circuit board connected to the electrical device to be inspected is inserted into the gap between the holding surface of the elastic body and the fixed connection terminal on the base connection board.

  Finally, close the arm body. At this time, the inspection connection terminal portion formed at the tip of the flexible printed circuit board is pressed against the fixed connection terminal on the base connection substrate by the restoring force of the spring. As a result, the electric device to be inspected and the inspection circuit are electrically connected, and the electric device can be inspected.

Even if the flexible printed circuit board that has been sandwiched is accidentally pulled out, a slipping layer is formed on the sandwiched surface of the elastic body, and the friction resistance between the elastic body and the tip of the flexible printed circuit board is small. The inspection connection terminal part of the wiring board is not easily damaged.
JP 2002-231349 A

  The above-described prior art is a clip-type connector for inspection, and this connector is used to maintain a connection state between, for example, an electronic component of a connection target and a printed wiring board of a plate-like connection target as a connection partner. It can also be used as a clip.

  That is, a printed wiring board and an electronic component such as a semiconductor device disposed at the tip of the printed wiring board are held so as to be sandwiched between an elastic body fixed to an arm body and a fixed connection terminal on a base connection board. The clip-type connector described above can also be used as the non-inspection clip.

  However, when the terminal part of the printed wiring board on which the electronic component is placed is not at the tip of the printed wiring board (when the electronic component is not placed on the edge of the printed wiring board), the tip of the printed wiring board is held between the elastic body However, even if the tip of the printed circuit board is inserted, the tip of the printed circuit board will immediately hit the base body.

  Therefore, the electronic component on the printed wiring board cannot be placed between the holding surface of the elastic body and the fixed connection terminal on the base connection board, and the connection state between the electronic component and the printed wiring board can be maintained. Can not.

  The present invention has been made in view of such circumstances, and the problem is that the connection object and the plate-like connection object even when the connection object has to be arranged at a position away from the edge of the plate-like connection object. It is providing the clip which can be hold | maintained so that it may be pinched | interposed.

  In order to solve the above-mentioned problem, the clip of the invention of claim 1 is a clip that holds a plate-like connection object and at least one connection object connected to the plate-like connection object so as to sandwich the plate. A clip main body having an accommodating portion capable of accommodating the object to be connected, and a first support portion provided at an insertion port side end of the accommodating portion and supporting the plate-like connection object; an arm main body; An arm that is provided at one end of the arm body and has a second support part that supports the connection object; and a connecting part that rotatably connects the housing part of the clip body and the arm body of the arm. And an elastic member that generates a force in a direction in which the first support portion and the second support portion are brought close to each other, and the accommodating portion of the clip body connects the tip of the plate-like connection object to the connection portion. Insert in front of the insertion direction It characterized by having a receiving space capable.

  As described above, since the housing portion of the clip body has a housing space in which the tip of the plate-like connection object can be inserted to the front side in the insertion direction from the connecting portion, the clip body is placed at a position away from the edge of the plate-like connection object. Even when the connection object has to be arranged, the connection object and the plate-like connection object can be held between each other.

  The clip of the invention of claim 2 is a clip that holds the first plate-like connection object and the second plate-like connection object that are connected via at least one connection object, A first accommodating portion that can accommodate the first plate-like connection object, and a first support member that is provided at an insertion port side end of the first accommodation portion and supports the first plate-like connection object. A first clip body having a support portion, a second storage portion capable of storing the second plate-like connection object, and an insertion port side end of the second storage portion, A second clip body having a second support part for supporting a second plate-like connection object, a coupling part for rotatably connecting the first accommodation part and the second accommodation part, An elastic member that generates a force in a direction in which the first support portion and the second support portion are brought close to each other; 2 of the housing portion, wherein each first, first be inserted a second tip of the plate-like object to be connected to the insertion direction front side than the connecting portion, and having a second housing space.

  According to a third aspect of the present invention, in the clip according to the first aspect, the connecting portion is provided between an insertion port side end portion of the housing portion and one end portion of the arm main body.

  According to a fourth aspect of the present invention, in the clip according to the second aspect, the connecting portion is provided between the insertion port side end portion of the first storage portion and the insertion port side end portion of the second storage portion. It is characterized by being.

  According to a fifth aspect of the present invention, in the clip according to any one of the first to fourth aspects, the accommodating portion, the first and second accommodating portions are all substantially U-shaped in cross section.

  According to a sixth aspect of the present invention, in the clip according to any one of the first to fifth aspects, the elastic member is a compression coil spring.

  According to a seventh aspect of the present invention, in the clip according to the first, third, fifth, or sixth aspect, the first support portion is a protrusion that protrudes in a direction approaching the second support portion.

  The invention of claim 8 is the clip according to any one of claims 2, 4, 5 or 6, characterized in that the first and second support portions are protrusions protruding in a direction approaching each other. To do.

  According to this invention, even when it is necessary to dispose the connection object at a position away from the edge of the plate-like connection object, the connection object and the plate-like connection object can be held.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1 is a perspective view of a clip according to a first embodiment of the present invention in use, FIG. 2 is a side view of the clip shown in FIG. 1, and FIG. 3 is a state when no clip is sandwiched in FIG. FIG.

  As shown in FIGS. 1 to 3, the clip includes a clip body 3, an arm 5, and a compression coil spring 7. The clip holds a printed wiring board (plate-like connection object) 21 and an electronic component (connection object) 22 such as a semiconductor device connected to the printed wiring board 21 so as to sandwich the electric and mechanical components. Connect to.

  The clip main body 3 includes a storage portion 31 and a first support portion 32.

  The accommodation section 31 has a substantially U-shaped longitudinal section, and includes a first plate-like portion 311, a second plate-like portion 312, and a coupling portion 313. The side surface of the accommodating portion 31 is open.

  The lower surface of one end portion of the first plate-like portion 311 is an operation portion 311a.

  The second plate-shaped portion 312 has substantially the same shape as the first plate-shaped portion 311, and faces the first plate-shaped portion 311 with the accommodation space 33 interposed therebetween. A spring receiving portion 312 a is formed on the upper surface of one end portion of the second plate-like portion 312.

  The coupling portion 313 is substantially plate-shaped, and couples one end of the first plate-like portion 311 and one end of the second plate-like portion 312. There is an accommodation space 33 between the first plate-like portion 311 and the second plate-like portion 312. An insertion port 33 a of the printed wiring board 21 is between the other end of the first plate-like portion 311 and the other end of the second plate-like portion 312.

  A bearing portion 34 is provided on the upper surface of the other end portion of the second plate-shaped portion 312.

  The first support portion 32 is coupled to the other end of the first plate-like portion 311. The first support portion 32 supports the printed wiring board 21. The first support portion 32 is a protrusion that protrudes toward the second support portion 52.

  The arm 5 includes an arm main body 51 and a second support portion 52.

  The arm main body 51 has a flat plate shape, and has an operation part 51a on the upper surface of one end thereof, and a spring receiving part 51b on the back side of the operation part 51a.

  The second support portion 52 is coupled to the other end of the arm body 51. The second support part 52 supports the electronic component 22. The 2nd support part 52 is flat form, and opposes the 1st support part 32 through space.

  A pair of bearings 53 are provided on the lower surface of the other end of the arm body 51. The bearing portion 34 is sandwiched between a pair of bearing portions 53. The shaft 9 is inserted into the bearing portion 53 and the bearing portion 34, and the clip body 3 and the arm 5 are rotatably connected. The bearing portions 34 and 53 and the shaft 9 constitute a connecting portion between the clip body 3 and the arm 5.

  The lower end portion of the compression coil spring 7 is held by the spring receiving portion 312 a of the second plate-shaped portion 312, and the upper end portion of the compression coil spring 7 is held by the spring receiving portion 51 b of the arm body 51. The spring force of the compression coil spring 7 acts on the clip body 3 and the arm 5 so that the first support portion 32 and the second support portion 52 approach each other.

  Next, the operation | work which connects the printed wiring board 21 and the electronic component 22 using this clip is demonstrated. Prior to this operation, the electronic component 22 is placed on a terminal portion (not shown) formed at a position away from the front edge of the printed wiring board 21.

  First, an operation force is applied to the operation portions 311a and 51a of the clip in the state shown in FIG. 3, and the distance between the first support portion 32 and the second support portion 52 is increased against the spring force of the compression coil spring 7. .

  Next, the leading end portion of the printed wiring board 21 is inserted into the accommodation space 33 of the accommodation portion 31 of the clip body 3. At this time, since the accommodating portion 31 has the accommodating space 33, the tip of the printed wiring board 21 can be inserted to the front side in the insertion direction from the connecting portion. As a result, the electronic component 22 disposed on the terminal portion formed at a position away from the front edge of the printed wiring board 21 can be disposed immediately below the second support portion 52 of the clip.

  Finally, the operation force applied to the clip operation units 311a and 51a is removed. As a result, the clip body 3 and the arm 5 rotate so that the first support portion 32 and the second support portion 52 approach each other by the spring force of the compression coil spring 7, and as shown in FIG. The printed wiring board 21 and the electronic component 22 are sandwiched and held by the first support portion 32 and the second support portion 52. In this way, the printed wiring board 21 and the electronic component 22 are electrically and mechanically connected.

  As shown in FIG. 2, the distance from the center of the shaft 9 to the center of the compression coil spring 7 is x, the distance from the center of the shaft 9 to the center of the second support portion 52 is y, and the spring force of the compression coil spring 7 Is F and the pressing force is P, the rotational moment Py = Fx∴P = x / y × F, and x / y> 1, so that the spring force F is doubled by the value of leverage (x / y value). It can be seen that a large pressing force P can be obtained with a small spring force F. Further, since the distance x from the center of the shaft 9 to the center of the compression coil spring 7 is substantially equal to the distance from the shaft 9 to the center of the operating portion 51a, the operating force required to operate the arm 5 is the spring force F. The arm 5 can be operated with a small operating force.

  As described above, according to this embodiment, even when the electronic component 22 must be disposed at a position away from the edge of the printed wiring board 21, the electronic component 22 and the printed wiring board 21 are held between each other. Can do.

  Further, since x> y, x / y> 1, so that a large pressing force P can be obtained with a small spring force F, and the arm 5 can be operated with a small operating force.

  Furthermore, since the accommodating part 31 is U-shaped in cross section and both sides of the accommodating part 31 are open, the printed wiring board 21 wider than the width of the accommodating part 31 can be inserted into the accommodating part 31.

  Further, since the first support portion 32 is a projection protruding toward the second support portion 52, the printed wiring board 21 can be strongly sandwiched by the first support portion 32, and the printed wiring board 21 can be externally applied. It is possible to prevent the shift.

  Further, since the second support portion 52 has a flat plate shape, the entire upper surface of the electronic component 22 can be pushed toward the printed wiring board 21 with an equal force, and a plurality of terminal portions (not shown) of the electronic component 22 are shown. ) Can be brought into contact with the terminal portion of the printed wiring board with equal force.

  FIG. 4 is a side view of the clip in use according to the second embodiment of the present invention. Portions common to the first embodiment are denoted by the same reference numerals and description thereof is omitted. Only the main differences from the first embodiment will be described below.

  The clip according to the second embodiment includes a clip body (first clip body) 3 and a clip body (second clip body) 205.

  In the first embodiment, only the clip main body 3 has the accommodating portion 31, but in the second embodiment, the clip main body 205 adopted instead of the arm 5 also has the accommodating portion 251.

  A first printed wiring board (plate connection object) 23 is accommodated in the accommodating portion 31 of the clip body 3. On the terminal part (not shown) formed in the position away from the front edge of the 1st printed wiring board 23, the 1st connector (connection object) 24 is mounted.

  The clip main body 205 includes a storage portion 251 and a second support portion 252.

  A second printed wiring board (plate-like connection object) 25 is accommodated in the accommodating portion 251 of the clip main body 205. On the terminal part (not shown) formed in the position away from the front edge of the 2nd printed wiring board 25, the 2nd connector (connection object) 26 is mounted.

  The longitudinal cross-sectional shape of the accommodating part 251 is substantially U-shaped. The accommodating portion 251 includes a first plate-like portion 2511, a second plate-like portion 2512, and a coupling portion 2513.

  An upper surface of one end portion of the first plate-like portion 2511 is an operation portion 2511a.

  The second plate-like portion 2512 has substantially the same shape as the first plate-like portion 2511, and faces the first plate-like portion 2511 via the accommodation space 253. A spring receiving portion 2512 a is formed on the lower surface of one end portion of the second plate-like portion 2512.

  The coupling portion 2513 has a substantially plate shape, and couples one end portion of the first plate-like portion 2511 and one end portion of the second plate-like portion 2512. A space between the other end of the first plate-like portion 2511 and the other end of the second plate-like portion 2512 is an insertion port 253 a of the second printed wiring board 25.

  A pair of bearing portions 254 is provided on the lower surface of the other end portion of the second plate-like portion 2512.

  The second support portion 252 is coupled to the other end of the first plate-like portion 2511. The second support portion 252 supports the second printed wiring board 25. The second support portion 252 is a protrusion that protrudes toward the first support portion 32.

  Next, the operation | work which connects the 1st printed wiring board 23 and the 2nd printed wiring board 25 using this clip is demonstrated.

  First, an operating force is applied to the clip operating portions 311 a and 2511 a to widen the distance between the first support portion 32 and the second support portion 252 against the spring force of the compression coil spring 7.

  Next, the distal end portion of the first printed wiring board 23 on which the first connector 24 is mounted is accommodated in the accommodating space 33 of the accommodating portion 31 of the clip body 3. At this time, since the accommodating portion 31 has the accommodating space 33, the tip of the first printed wiring board 23 can be inserted to the front side in the insertion direction from the connecting portion. As a result, the first connector 24 mounted at a position away from the front edge of the first printed wiring board 23 can be disposed on the first support portion 32.

  Thereafter, the distal end portion of the second printed wiring board 25 on which the second connector 26 is mounted is accommodated in the accommodating space 253 of the accommodating portion 251 of the clip main body 205. At this time, since the accommodating portion 251 has the accommodating space 253, the tip of the second printed wiring board 25 can be inserted to the front side in the insertion direction from the connecting portion. As a result, the second connector 26 mounted at a position away from the front edge of the second printed wiring board 25 is disposed directly below the second support portion 252, and the second connector 26 is disposed in the first connector 24. Can be stacked on top.

  Finally, the operation force applied to the clip operation units 311a and 2511a is removed. As a result, the clip body 3 and the clip body 205 rotate so that the first support portion 32 and the second support portion 252 approach each other by the spring force of the compression coil spring 7, and as shown in FIG. The first printed wiring board 23, the first connector 24, the second printed wiring board 25, and the second connector 26 are sandwiched and held by the first support portion 32 and the second support portion 252. Therefore, the first connector 24 and the second connector 26 are electrically connected to each other, and the first printed wiring board 23 and the second printed wiring board 25 are electrically connected via the first and second connectors 24 and 26. And mechanically connected by a clip.

  The second embodiment has the same effects as the first embodiment, and can connect two printed wiring boards 23 and 25 electrically and mechanically.

  Note that the printed circuit boards 21, 23, 25 are all housed in the housing parts 31, 251, but the plate-like connection object of the present invention is an FPC (Flexible Printed Circuit), a printed circuit board, or the like. For example, a memory card is also included.

  Further, the cross-sectional shape (vertical cross-sectional shape) of the accommodating portions 31 and 251 is not limited to a substantially U shape, and for example, the cross-sectional shape (transverse cross-sectional shape) may be a substantially C-shaped or rectangular shape.

  The connection objects include printed wiring boards in addition to electronic components such as semiconductor devices and connectors. For example, when the edge of the other printed wiring board must be arranged at a position away from the edge of one printed wiring board, the clip of this embodiment is used to connect the electric and mechanical connections of both printed wiring boards. realizable.

  In the first embodiment, one electronic component 22 is connected to the printed wiring board 21, but a plurality of connection objects can be connected to one plate-like connection object.

  In the second embodiment, one connector is mounted on each of two printed wiring boards. However, one connection object is connected to two plate connection objects, or two plate connection objects are connected. Three or more connection objects may be connected to the object.

  Moreover, although the clip of the above-mentioned embodiment is for permanently connecting the plate-like connection object and the connection object, the present invention temporarily connects the inspection substrate and the inspection object such as an IC. It can also be applied as a clip for inspection.

FIG. 1 is a perspective view of the clip in use according to the first embodiment of the present invention. FIG. 2 is a side view of the clip shown in FIG. FIG. 3 is a side view showing a state where nothing is sandwiched between the clips shown in FIG. FIG. 4 is a side view of the clip in use according to the second embodiment of the present invention.

Explanation of symbols

3 clip body 31 accommodating portion 32 first support portion 33 accommodating space 33a insertion port 34 bearing portion (connecting portion)
5 Arm 205 Clip body 51 Arm body 251 Housing portion 52, 252 Second support portion 253 Housing space 253a Insertion port 53, 254 Bearing portion (connecting portion)
9 Shaft (connection part)

Claims (8)

In a clip that holds the plate-like connection object and at least one connection object connected to the plate-like connection object,
A clip body having an accommodating portion capable of accommodating the plate-like connection object, and a first support portion provided at an insertion port side end of the accommodation portion and supporting the plate-like connection object;
An arm body and an arm provided at one end of the arm body and having a second support portion for supporting the connection object;
A connecting portion for rotatably connecting the accommodating portion of the clip main body and the arm main body of the arm;
An elastic member that generates a force in a direction in which the first support part and the second support part are brought close to each other;
The clip main body has a storage space in which the front end of the plate-like connection object can be inserted to the front side in the insertion direction from the connecting portion. A clip that holds the first plate-like connection object and the second plate-like connection object connected via at least one connection object,
A first accommodating portion that can accommodate the first plate-like connection object, and a first support member that is provided at an insertion port side end of the first accommodation portion and supports the first plate-like connection object. A first clip body having a support portion;
A second accommodating portion that can accommodate the second plate-like connection object and a second accommodating portion that is provided at an insertion port side end of the second accommodation portion and supports the second plate-like connection object. A second clip body having a support portion;
A connecting portion that rotatably connects the first housing portion and the second housing portion;
An elastic member that generates a force in a direction in which the first support part and the second support part are brought close to each other;
Each of the first and second accommodation portions has first and second accommodation spaces in which the distal ends of the first and second plate-like connection objects can be inserted to the front side in the insertion direction from the coupling portion. A featured clip.   The clip according to claim 1, wherein the connecting portion is provided between an insertion port side end portion of the housing portion and one end portion of the arm main body.   The clip according to claim 2, wherein the connecting portion is provided between an insertion port side end portion of the first storage portion and an insertion port side end portion of the second storage portion.   The clip according to any one of claims 1 to 4, wherein each of the housing portion and the first and second housing portions has a substantially U-shaped cross section.   The clip according to claim 1, wherein the elastic member is a compression coil spring.   The clip according to claim 1, 3, 5, or 6, wherein the first support portion is a protrusion protruding in a direction approaching the second support portion.   The clip according to any one of claims 2, 4, 5, and 6, wherein the first and second support portions are protrusions protruding in a direction approaching each other.

Images