JP4885181B2 - Electrical connection member - Google Patents

Description

  The present invention relates to an electrical connection member that sandwiches two substrates provided with wiring patterns and a connector structure to achieve electrical connection.

  Patent Document 1 proposes an electrical connection member that connects two substrates by pressing two substrates provided with circuit patterns with leaf springs.

JP-A-8-171949

  In the electrical connection member of Patent Document 1, the plate spring is deformed to press the substrate, but such a structure has a drawback that the strength is weak. Moreover, in order to give elasticity to the leaf spring, the leaf spring needs to have a certain height, so that there is a problem that the reduction of the height of the electrical connection member is hindered.

  Accordingly, an object of the present invention is to provide an electrical connection member that can generate a uniform contact force without impairing strength and can be reduced in height.

According to the present invention, as the first electrical connecting member,
An electrical connection member for electrical connection between two substrates,
A connector structure, a lock member, and a plate member;
The connector structure is composed of an elastic body in which a plurality of protrusions are formed and an insulating film in which a plurality of conductor patterns are formed and placed on the elastic body,
The plate member has a main surface and a plurality of first engaging portions,
The locking member slides at least one of the plate member or the locking member in a plane parallel to the main surface in a state where the substrate and the connector structure are sandwiched by the plate member and the locking member. An electrical connection member having a second engagement portion that engages with the first engagement portion is obtained.

According to the present invention, as the second electrical connection member, in the first electrical connection member,
The first engaging portion includes a first part extending in a first direction orthogonal to the main surface and a second part extending from the first part toward a second direction orthogonal to the first direction. And
The second engaging part has an opening into which the second part can be inserted, and an electrical connection member is obtained.

Further, according to the present invention, as the third electrical connection member, in the second electrical connection member,
An electrical connection member is obtained in which the opening of the second engagement portion is longer than the second portion of the first engagement portion in the second direction.

Moreover, according to the present invention, as the fourth electrical connection member, in the second or third electrical connection member,
A first step is provided in the second portion of the first engagement portion;
A second step is provided at a location adjacent to the second engagement portion in the second direction of the lock member,
When the first step is engaged with the second step, an electrical connection member in which the plate member and the lock member are fixed is obtained.

Further, according to the present invention, as the fifth electrical connection member, in the first electrical connection member,
As the lock member, an electrical connection member having an operation portion for performing a slide operation is obtained.

According to the present invention, as the sixth electrical connection member, in the first electrical connection member,
The lock member is divided for each substrate to obtain an electrical connection member.

According to the invention, as a seventh electrical connection member, an electronic device including any one of the first to sixth electrical connection members and the substrate,
An electronic device in which a mark indicating the relative sliding amount of the lock member with respect to the slide member is provided on the substrate is obtained.

  According to the present invention, by sliding at least one of the lock member or the plate member in a state where the substrate and the connector structure are held between the lock member and the plate member, the substrate and the connector structure are uniformly pressed to electrically Therefore, it is not necessary to deform the lock member, and therefore the strength of the electrical connection member is not impaired by the deformation of the lock member. In addition, since the electrical connection member of the present invention has the above-described structure, it can be thinned.

  As shown in FIGS. 1 and 2, the electrical connection member of the present invention includes a plate member 100, a lock member 200, and a connector structure 300, and the plate member 100 in the Z direction (first direction) By pressing the connector structure 300 and the boards 400a and 400b between the lock members 200, the wirings formed on the boards 400a and 400b are electrically connected.

  As shown in FIG. 2, the plate member 100 according to the present embodiment has a substantially plate shape, and two positioning holes 120 are provided at both ends in the X direction (second direction) of the plate member 100. Is formed.

  The plate member 100 has four first engaging portions 140 provided at symmetrical positions in the X and Y directions. Each of the first engaging portions 140 includes a first portion 142 extending in the Z direction and a second portion 144 extending from the first portion 142 in the X direction, and has an L-shaped shape. . As shown in FIGS. 2, 4, and 5, a first step 146 is formed on the surface of the second portion 144 on the −Z direction side.

  In the present embodiment, the plate member 100 is made of metal, but the plate member 100 is not limited to this, and may be formed of other materials such as resin. In the present embodiment, the first engagement portion 140 is formed by pressing the plate member 100 made of metal and is formed integrally with the plate member 100. The portion 140 may be formed by other processing methods, or may be separate from the plate member 100.

  As shown in FIG. 2, the lock member 200 according to the present embodiment includes a first member 200a and a second member 200b. Each of the first member 200a and the second member 200b has a substantially plate shape, and two second engaging portions 220a and 220b are formed.

  The second engagement portions 220a and 220b according to the present embodiment are openings that penetrate the lock members 200a and 200b in the Z direction and extend in the X direction, and are provided at positions corresponding to the first engagement portions 140. The engaging part 140 can be inserted. As understood from FIGS. 7 and 8, the lengths of the second engagement portions 220 a and 220 b in the X direction are longer than the lengths of the second portions 144 of the first engagement portions 140 in the X direction. As shown in FIGS. 2 and 5, a second step 222 is provided at a location adjacent to each of the second engaging portions 220 a and 220 b in the X direction in the lock members 200 a and 200 b. The second step 222 in the present embodiment has irregularities when viewed along the −Z direction.

  As shown in FIGS. 2 and 3, the connector structure 300 according to the present embodiment includes an elastic body 310 and an insulating film 320. The insulating film 320 is placed on the elastic body 310.

  As shown in FIG. 3, the elastic body 310 is a substantially plate-like insulating member, and includes a plurality of positioning portions 314, a plurality of protrusions 316, and a plurality of openings 318. The elastic body 310 according to the present embodiment is made of rubber.

  The positioning portion 314 is a cylindrical portion and protrudes in the Z direction and the −Z direction in the vicinity of each corner of the elastic body 310. The distance between the two positioning portions 314 in the Y direction is equal to the distance between the two positioning holes 120 in the Y direction.

  Each of the plurality of protrusions 316 has a rectangular parallelepiped shape, and is disposed along the X direction in the vicinity of each end portion in the Y direction on the main surface 312 of the elastic body 310. Grooves are formed between adjacent protrusions 316 so that the protrusions 316 can be deformed independently of each other.

  The opening 318 penetrates the elastic body 310 in the Z direction and has a length in the X direction. The opening 318 has a size that allows at least the first engagement portion 140 to be inserted along the Z direction.

  As shown in FIG. 3, the insulating film 320 has a plurality of conductor patterns 322, a plurality of positioning holes 324, and a plurality of openings 326.

  The plurality of conductor patterns 322 are provided on the surface of the insulating film 320 so as to extend along the Y direction. The number of conductor patterns 322 is the same as the number of protrusions 316 of the elastic body 310, and the conductor patterns 322 are positioned on the protrusions 316 when the back surface of the insulating film 320 is placed on the elastic body 310. Are arranged to be.

  A plurality of positioning holes 324 are provided in the vicinity of each corner of the insulating film 320. In the present embodiment, the distance between the two positioning holes 324 in the Y direction is slightly longer than the distance between the two positioning parts 314 in the Y direction. Therefore, as shown in FIG. When 314 is inserted, a slack is formed in the middle of the Y direction. With such slack, it is possible to cope with variations in the shape, size, and relative position of the substrates 400a and 400b.

  In the present embodiment, the plurality of openings 326 penetrate the insulating film 320 and have a size larger in the Y direction than the opening 318. In addition, the opening 326 in this embodiment is elastic when the insulating film 320 is placed on the main surface 312 of the elastic body 310 and the positioning portion 314 is inserted into the positioning hole 324 as shown in FIG. It is provided at a position communicating with the opening 318 of the body 310.

  The operation of the electrical connection member according to this embodiment having the above-described structure will be described with reference to the drawings. Each of the two substrates 400a and 400b according to the present embodiment has positioning holes 420 provided at both ends in the X direction, a plurality of openings 440, and wiring (not shown) provided on the back surface of the substrate. ing.

  First, as shown in FIG. 8, the connector structure 300 is placed on the plate member 100. At this time, since the positioning portions 314 protruding downward from the elastic body 310 are inserted into the positioning holes 120 of the plate member 100, the connector structure 300 and the plate member 100 are positioned and fixed. Further, the first engagement portion 140 is inserted into the opening 318 and the opening 326.

  In this state, the boards 400a and 400b are placed on the connector structure 300 so that the wirings of the boards 400a and 400b face the conductor pattern 322. Thereby, the positioning 314 also penetrates the positioning hole 420, and the connector structure 300 and the boards 400a and 400b are also positioned. At this time, the first engaging portion 140 of the plate member 100 is also inserted into the openings 440 of the substrates 400a and 400b. However, as understood from FIG. 8, in this state, the second portion 144 of the first engagement portion 140 protrudes only partially on the substrates 400a and 400b.

  After that, as shown in FIG. 9, the lock members 200a and 200b are placed on the substrates 400a and 400b, respectively. At this time, portions of the first engaging portion 140 protruding from the substrates 400a and 400b are accommodated in the second engaging portions 220a and 220b, as can be understood from FIG.

  In this state, the locking members 200a and 200b are pressed in the -Z direction to achieve electrical connection between the wiring and the conductor pattern 322, and then slid in the -X direction, as shown in FIGS. The first engaging portion 140 of the plate member 100 is engaged with the second engaging portions 220a and 220b of the lock members 200a and 200b. In the present embodiment, the lock members 200a and 200b are slid. However, the plate member 100 may be slid, or both may be slid.

  When the locking members 200a and 200b are slid in the −X direction, the first step 146 is engaged with the second step 222, and thereby the locking members 200a and 200b and the plate member 100 are fixed in an engaged state. . In addition, when the first step 146 and the second step 222 are engaged with each other, an operator can obtain a click feeling.

  In the present embodiment, as shown in FIG. 1, a mark 460 indicating a position where the lock members 200a and 200b and the plate member 100 are completely engaged is written on the substrates 400a and 400b. Yes. As a result, the sliding amount of the lock members 200a and 200b becomes obvious at a glance, and it can be visually confirmed that the engagement between the lock members 200a and 200b and the plate member 100 is completely completed.

  For example, each of the lock members 200a and 200b may have operation parts 240a and 240b for facilitating the operation, as shown in FIGS. In the illustrated example, the operation parts 240a and 240b are erected in the Z direction from both ends of the lock members 200a and 200b in the X direction. Furthermore, in the illustrated example, the operation parts 240a and 240b are formed integrally with the lock members 200a and 200b, but the operation parts 240a and 240b may be configured separately from the lock members 200a and 200b. Good.

  In the above-described embodiment, the lock members 200a and 200b are separated for each of the substrates 400a and 400b. For example, as shown in FIG. 12, the lock member 200c forks the substrates 400a and 400b. A single member may be provided. Further, as shown in FIG. 13, the lock members 200d and 200e may be formed so as to crotch the two substrates 400a and 400b while being divided into two in the X direction.

  The embodiment of the present invention has been specifically described above, but the present invention is not limited to this, and various modifications can be made.

It is a perspective view of the electrical connection member by embodiment of this invention. It is a disassembled perspective view which shows the electrical-connection member of FIG. It is a disassembled perspective view which shows the connector structure of FIG. It is sectional drawing along the IV-IV line which shows the electrical-connection member of FIG. Here, the board and the connector structure are omitted. It is sectional drawing along the VV line which shows the electrical-connection member of FIG. It is sectional drawing along the VI-VI line which shows the electrical-connection member of FIG. It is sectional drawing along the VII-VII line which shows the electrical-connection member of FIG. Here, the board and the connector structure are omitted. It is sectional drawing along the VIII-VIII line which shows the electrical-connection member of FIG. It is sectional drawing along the IX-IX line which shows the electrical-connection member of FIG. It is a perspective view which shows the modification of the electrical connection member of FIG. It is a perspective view which shows the modification of the electrical connection member of FIG. It is a perspective view which shows the modification of the electrical connection member of FIG. Here, the connector structure and the plate member are omitted. It is a perspective view which shows the modification of the electrical connection member of FIG. Here, the connector structure and the plate member are omitted.

Explanation of symbols

100 Plate member 120 Positioning hole 140 First engaging portion 142 First portion 144 Second portion 146 First step 200a, 200b, 200c, 200d, 200e Lock member 220a, 220b Second engaging portion 222 Second step 240a , 240b Operation part 300 Connector structure 310 Elastic body 312 Main surface 314 Positioning part 316 Projection part 318 Opening 320 Insulating film 322 Conductive pattern 324 Positioning hole 326 Opening 400a, 400b Substrate 420 Positioning hole 440 Opening 460 Mark

Claims (7)

An electrical connection member for electrical connection between two substrates,
A connector structure, a lock member, and a plate member;
The connector structure is composed of an elastic body in which a plurality of protrusions are formed and an insulating film in which a plurality of conductor patterns are formed and placed on the elastic body,
The plate member has a main surface and a plurality of first engaging portions,
The locking member slides at least one of the plate member or the locking member in a plane parallel to the main surface in a state where the substrate and the connector structure are sandwiched by the plate member and the locking member. Having a second engagement portion that engages with the first engagement portion;
Electrical connection member. The first engaging portion includes a first part extending in a first direction orthogonal to the main surface and a second part extending from the first part toward a second direction orthogonal to the first direction. And
The second engaging portion has an opening into which the second portion can be inserted.
The electrical connection member according to claim 1.   The electrical connection member according to claim 2, wherein the opening of the second engagement portion is longer than the second portion of the first engagement portion in the second direction. A first step is provided in the second portion of the first engagement portion;
A second step is provided at a location adjacent to the second engagement portion in the second direction of the lock member,
The plate member and the lock member are fixed by the first step being engaged with the second step.
The electrical connection member according to claim 2 or claim 3.   The electrical connection member according to claim 1, wherein the lock member has an operation portion for performing a slide operation.   The electrical connection member according to claim 1, wherein the lock member is divided for each substrate.   7. An electronic apparatus including the electrical connecting member according to claim 1 and the substrate, wherein a mark indicating a relative sliding amount of the lock member with respect to the sliding member is provided on the substrate. Electronic equipment.

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