JP2008041551A - Connector for electric component and microphone unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a thin, easy-to-assemble connector which maintains stable contact with an electric part to be attached. <P>SOLUTION: A connector C for electric component comprises a first member 10 with a first opening 11, a second member 20 with a second opening 21, and a plate-like elastically deformable contact member 30 which lies between the coupled first and second members 10, 20 and has a first contact 31 which can be projected from a surface of the first member 10 through the first opening 11 and a second contact 32 which can be projected from a surface of the second member 20 through the second opening 21. The contact member 30 has a flection 33 between the first contact 31 and the second contact 32, a shaft 13 capable of swingablly latching the flection 33 of the contact member 30 is formed on the first member 10 or the second member 20 to prevent the contact member 30 from moving along the shaft center direction of the shaft 13. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention includes a connector for an electrical component including a first member and a second member assembled together, and an elastically deformable plate-like contact member disposed between the first member and the second member, and the same. Related to the microphone unit.

  There are electrical component connectors for electrically connecting various electrical components such as an ECM (electret condenser microphone) to a circuit board. The electrical component connector includes a first member and a second member that are assembled together, and an elastically deformable plate-like contact member that is disposed between the first member and the second member. The contact member includes a first contact portion that can project from the first member and the second member through the first opening formed in the first member toward the first member, and the second member. And a second contact portion that can project to the second member side through the formed second opening. As a result, continuity between an electrical component such as an ECM mounted on the surface of the first member and an electrical component such as a circuit board mounted on the surface of the second member is realized by the contact member.

For example, the electrical component connector disclosed in Patent Document 1 illustrated in FIG. 5 is a space formed between the first member 101 having the first opening 101a and the second member 102 having the second opening 102a. A contact member 103 having a shape obtained by bending a plate-like elastic material into a substantially star shape is provided at 104. The contact member 103 has a first protrusion 103 a that always protrudes from the surface of the first member 101 and a second protrusion 103 b that always protrudes from the surface of the second member 102. When an electrical component (not shown) such as an ECM is mounted on the surface of the first member 101, the electrical component and the first protrusion 103a are moved while the contact member 103 is elastically deformed and pushed into the space 104 side. Abut. When an electrical component (not shown) such as a circuit board is mounted on the surface of the second member 102, the contact member 103 is elastically deformed and pushed into the space 104 side, and the electrical component and the second projecting portion 103b. Abut.
In this way, electrical conduction between the electrical component mounted on the surface of the first member 101 and the electrical component mounted on the surface of the second member 102 is realized by the contact member 103.

Moreover, the connector for electrical components described in Patent Document 2 illustrated in FIG. 6 includes a holder member 110 having a first opening 110a on one surface and a second opening 110b on the other surface. The holder member 110 includes a shaft portion 110c between the first opening portion 110a and the second opening portion 110b. Further, a shaft portion 110 c is inserted inside the coil portion 111 c of the torsion coil spring 111 as a contact member, and the shaft portion 110 c is fixed to the holder member 110. In this way, the torsion coil spring 111 is attached to the holder member 110.
The torsion coil spring 111 has a first protrusion 111a that protrudes through the first opening 110a, and a second protrusion 111b that protrudes through the second opening 110b. When the electrical component 112 such as ECM is mounted on one surface of the holder member 110, the terminal 112a of the electrical component 112 and the first protruding portion 111a of the torsion coil spring 111 come into contact with each other. Further, when an electrical component (not shown) such as a circuit board is mounted on the other surface of the holder member 111, the terminal of the electrical component and the second protruding portion 111b come into contact with each other. As a result, the conduction between the two electrical components is mediated by the torsion coil spring 111.

JP 2002-268925 A JP 2002-152874 A

  In the electrical component connector described in Patent Document 1, both the first protrusion 103a and the second protrusion 103b always protrude. Therefore, when an electrical component such as an ECM is to be mounted on the electrical component connector, the electrical component is always pushed back by the elastic force of the contact member 103. That is, there is a problem that the electrical component cannot be easily assembled to the electrical component connector. Further, since the substantially star-shaped contact member 103 is arranged without being fixed inside the space 104 between the first member 101 and the second member 102, it moves freely. Therefore, the position of the contact between the contact member 103 and the electrical component is not stable, and there is a possibility that the contact between the two becomes insufficient. Furthermore, since the contact member 103 is formed in a substantially star shape, there is a problem that the thickness of the electrical component connector increases.

  Although the connector for an electrical component described in Patent Document 2 can provide a thin and stable contact, the shaft portion 110c must be inserted inside the torsion coil spring 111, and thus there is a problem that the assemblability is poor. . Moreover, although the axial part 110c can be formed separately from the holder member 110, the problem that the number of parts increases arises.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a connector for an electrical component that is thin, has good assemblability, and can stably realize contact with the electrical component to be mounted. It is in providing a microphone unit equipped with the same.

In order to achieve the above object, the electrical component connector according to the present invention is characterized in that the first member having the first opening and the second member having the second opening are assembled with each other. A first contact portion disposed between the first member and the second member and projecting from the surface of the first member through the first opening; and the second contact through the second opening. An electrical component connector comprising an elastically deformable plate-like contact member having a second contact portion that can project from the surface of the member,
The contact member has a bent portion between the first contact portion and the second contact portion,
The first member or the second member is formed with a shaft portion that swingably locks the bent portion of the contact member,
The contact member is configured such that movement of the shaft portion along the axial direction is restricted.

According to the above characteristic configuration, after the bent portion of the contact member is locked to the shaft portion, the first member and the second member are assembled so as to sandwich the contact member therebetween, whereby an electrical component connector is obtained. That is, since the contact member is locked to the shaft portion, it is difficult to drop off when assembling the first member and the second member. Therefore, it is possible to provide an electrical component connector with good assemblability.
Further, in the case of this characteristic configuration, the contact member is not embedded in the first member and the second member, but is only locked, so that the elastic force of the entire contact member is applied to the electrical component. As a result, even if the region where the contact member is provided is small, the contact between the contact member and the electrical component can be made strong and reliable.
Furthermore, the contact member is configured to be swingably locked to a shaft portion formed on the first member or the second member, and to be configured to restrict movement of the shaft portion along the axial direction. That is, since the movement of the contact member is limited to the swinging, the first contact part and the second contact part do not move freely, and the movement area is limited. Therefore, the contact position between the first contact part and the second contact part of the contact member and the electrical component is substantially determined, and the contact between both is stably performed.
Furthermore, since the contact member is bent and locked to the shaft portion in a thin state, a special space for providing the contact member is unnecessary. As a result, the electrical component connector according to this characteristic configuration can be configured to be thin.
Therefore, it is possible to provide an electrical component connector that is thin, has good assemblability, and can stably achieve contact with the electrical component to be mounted.

  Another characteristic configuration of the electrical component connector according to the present invention is that the contact member has one of the first contact portion and the second contact portion projecting from one of the first opening portion and the second opening portion, In addition, the other contact portion can be displaced to a swing position where it does not protrude from the other opening.

  According to the above characteristic configuration, when the electrical component is mounted on the electrical component connector, the contact member is in a swinging position such that the contact portion on the side where the electrical component is mounted is retracted to the inside of the electrical component connector. Displace. That is, when one electrical component is attached to the electrical component connector, the electrical component does not receive elastic force from the contact member. Therefore, the electrical component can be easily assembled to the electrical component connector.

  Another characteristic configuration of the electrical component connector according to the present invention is that at least one of the first member and the second member is such that the first contact portion projects toward the second member through the second opening. And a restriction portion for restricting the swinging of the contact member so that the second contact portion does not protrude toward the first member through the first opening.

  According to the above characteristic configuration, since the restricting portion that restricts the swing range of the contact member is provided, the contact member can be prevented from swinging more than necessary.

  Another characteristic configuration of the electrical component connector according to the present invention is that the first member and the second member are formed on one side of the first member and the second member and on the other side. It exists in the point fixed by fitting with a to-be-fitted part.

  According to the above characteristic configuration, the first member and the second member can be assembled simply by fitting the fitting portion formed on one side and the fitted portion formed on the other side. Therefore, it is possible to provide an electrical component connector that is easy to assemble.

  In order to achieve the above object, the microphone unit according to the present invention is characterized by comprising an electrical component connector and a condenser microphone as the electrical component mounted on the surface of the first member.

  According to the above characteristic configuration, it is possible to provide a microphone unit including an electrical component connector and a condenser microphone that are thin, have good assemblability, and can stably realize contact with the mounted electrical component.

A configuration of an electrical component connector C according to the present invention and a microphone unit 1 having the same will be described below with reference to the drawings. FIG. 1 is a cross-sectional view of a microphone unit 1 having an electrical component connector C. FIG. 2 and 3 are exploded perspective views of the microphone unit 1 as seen from above and below.
As shown in FIGS. 1 to 3, the electrical component connector C is in a state in which the first member 10 having the first opening 11 and the second member 20 having the second opening 21 are assembled to each other. A contact member 30 disposed between the first member 10 and the second member 20. However, in this embodiment, since the electret condenser microphone (ECM) 2 as an electrical component includes the two terminals 2a and 2b, the electrical component connector C also includes the two contact members 30. Furthermore, the directions of the two contact members 30 included in the electrical component connector C are opposite to each other. This is because the contact member 3 is disposed so as to be in contact with the terminal 2a located at the center of the ECM 2 and the terminal 2b located at the periphery of the ECM 2. The ECM 2 is attached to the upper part of the electrical component connector C, and the circuit board 4 as an electrical part is attached to the lower part. A cover 3 having a sound hole 3a is attached so as to cover the ECM 2 and the electrical component connector C. As a result, the sound that has entered from the sound hole 3a is detected by the ECM 2 and converted into an electrical signal, which is transmitted to the circuit board 4 via the contact member 30 of the connector C for electrical components.

  Each contact member 30 is disposed between the first member 10 and the second member 20, and includes a first contact portion 31 that can protrude from the surface of the first member 10 through the first opening 11, 2 and a second contact portion 32 that can project from the surface of the second member 20 through the opening 21. Further, the contact member 30 has a flat contact portion 34 on the tip side of the first contact portion 31. Further, the contact member 30 is formed using an elastically deformable plate-like conductive material, and has a bent portion 33 between the first contact portion 31 and the second contact portion 32. Specifically, the contact member 30 is bent into a V shape or a U shape, and the bent portion 33 is locked to a shaft portion 13 described later.

  The first member 10 is configured such that an ECM 2 as an electrical component is mounted on one surface, and the other surface is assembled to face the second member 20. Specifically, the first member 10 has a frame portion 16 formed so as to surround the periphery of the ECM 2 in a state where the ECM 2 is mounted on the surface. In this embodiment, since the ECM 2 is circular, the frame portion 16 is also circular. Also, a pair of protrusions 12 sandwiching the first opening 11 is provided in the vicinity of the end of the first opening 11 on the side facing the second member 20 on the surface of the first member 10. A shaft portion 13 is provided on the projection portion 12 so as to straddle the first opening portion 11. Therefore, when the bent portion 33 of the contact member 30 is locked to the shaft portion 13 of the first member 10, the contact member 30 can swing the space formed by the first opening 11 around the shaft portion 13. It becomes.

  The second member 20 is configured such that the circuit board 4 as an electrical component is mounted on one surface, and the other surface is assembled to face the first member 10. Further, the projection 12 and the shaft 13 of the first member 10 can be accommodated at the end of the second opening 21 of the second member 20 when the first member 10 and the second member 20 are assembled. A housing portion 22 is formed. That is, when the first member 10 and the second member 20 are assembled, the first opening portion 11 and the second opening portion 21 overlap, and the protrusion 12 and the shaft portion 13 formed in the first member 10 are the first ones. The two members 20 are fitted into the accommodating portion 22. Therefore, when the first member 10 and the second member 20 are assembled, the shaft portion 13 is positioned between the first member 10 and the second member 20. When the first member 10 and the second member 20 are assembled, the contact member 30 in a state in which the bent portion 33 is locked to the shaft portion 13 of the first member 10 has the first portion 10 centered on the shaft portion 13. The space formed by the first opening 11 of the first member 10 and the second opening 21 of the second member 20 can be swung. However, the movement of the contact member 30 along the axial direction of the shaft portion 13 is restricted by the protruding portion 12 of the first member 10.

  Further, the first member 10 and the second member 20 are assembled by fitting the fitted portion 14 provided on the surface of the first member 10 and the fitting portion 23 provided on the surface of the second member 20. It is done by combining.

  FIG. 4 is a cross-sectional view of the electrical component connector C. FIG. As shown by a solid line in FIG. 4, the contact member 30 is displaced to a swing position where the first contact portion 31 protrudes from the first opening portion 11 and the second contact portion 32 protrudes from the second opening portion 21. Is possible. Further, as indicated by a broken line in FIG. 4, the contact member 30 has a swing position where the second contact portion 32 protrudes from the second opening portion 21 and the first contact portion 31 does not protrude from the first opening portion 11. Can also be displaced. That is, when the ECM 2 is mounted on the first member 10, the contact member 30 located at the solid line swing position swings so that the first contact portion 31 is pushed down. As a result, the contact member 30 is displaced to a swing position as indicated by a broken line.

  Specifically, when the ECM 2 as the electrical component is attached to the electrical component connector C, the contact member 30 retreats the first contact portion 31 on the side on which the ECM 2 is attached to the inside of the electrical component connector C. It is displaced to such a rocking position. That is, when one electrical component (ECM2) is attached to the electrical component connector C, the electrical component does not receive elastic force from the contact member 30. Therefore, the electrical component (ECM2) can be easily assembled to the electrical component connector C. On the other hand, in the case of an electrical component connector in which a contact member always projects as in the prior art, even when the electrical component is mounted, the electrical component is always pushed up by receiving an elastic force. Therefore, there is a possibility that the electrical component cannot be easily assembled to the electrical component connector C.

  1 to 4, the first member 10 and the second member 20 are configured so that the first contact portion 31 does not protrude from the second member 20 side through the second opening 21. Further, the swing of the contact member 30 is restricted so that the second contact portion 32 does not protrude from the first member 10 side through the first opening 11 (that is, the swing range of the contact member 30 is limited). It has the regulation parts 15 and 24, respectively. And the contact part 34 provided in the end of the contact member 30 and the control parts 15 and 24 are contact | abutted, and it can prevent that the contact member 30 rock | swivels more than necessary.

As described above, since the contact member 30 is locked to the shaft portion 13, it is difficult to drop off when the first member 10 and the second member 20 are assembled. Therefore, it is possible to provide the electrical component connector C with good assemblability.
Furthermore, since the contact member 30 is not embedded and fixed in the first member 10 and the second member 20, but is only slidably locked, the elastic force of the entire contact member 30 is applied to the electrical component. Will join. As a result, even if the space in which the contact member 30 is provided is small, the contact between the contact member 30 and the electrical component can be made strong and reliable.
Further, the contact member 30 is swingably locked to the shaft portion 13 formed on the first member 10 or the second member 20, and the movement of the shaft portion 13 along the axial direction is restricted. Configured. That is, since the movement of the contact member 30 is limited to the above-described swinging, the first contact part 31 and the second contact part 32 do not move freely, and the movement area is limited. Therefore, the contact position between the first contact part 31 and the second contact part 32 of the contact member 30 and the electrical component is substantially determined, and the contact between them is performed stably.
Furthermore, since the contact member 30 is bent and locked to the shaft portion 13 in a thin state, a special space for providing the contact member 30 is not necessary. As a result, the electrical component connector C can be configured to be thin.

<Another embodiment>
<1>
In the above-described embodiment, the shaft member to which the contact member 30 is locked is provided in the first member 10. However, the shaft member may be modified to be provided in the second member 20.

<2>
In the above embodiment, the restricting portions 15 and 24 for restricting the swing of the contact member 30 are provided on both the first member 10 and the second member 20. It may be provided only on at least one of the two members 20.
In addition, the contact portion 34 that contacts the restriction portions 15 and 24 is provided on the distal end side of the contact member 30 with respect to the first contact portion 31, but the contact member 30 is disposed on another portion such as the distal end side of the second contact portion 32. A contact portion may be provided.

<3>
In the above embodiment, the case where the electrical component connector is used for establishing electrical connection between the ECM as the electrical component and the circuit board has been described. It can also be used to establish continuity between various other electrical components, such as between a buzzer and a circuit board.

  The electrical component connector of the present invention can be used to establish electrical continuity between two electrical components. In particular, since the electrical component connector of the present invention has a small number of components and good assemblability, it can establish reliable conduction between electrical components, so that an ECM, a small speaker, an electronic buzzer, etc. It is also effective for mounting small electrical devices on circuit boards.

Cross-sectional view of a microphone unit with a connector for electrical components Disassembled perspective view of microphone unit Disassembled perspective view of microphone unit Sectional view of electrical component connector Sectional view of a conventional connector for electrical components Sectional view of a conventional microphone unit equipped with a connector for electrical components

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 1st member 11 1st opening part 13 Shaft part 14 Fit part 15 Restriction part 20 2nd member 21 2nd opening part 23 Fitting part 24 Restriction part 30 Contact member 31 1st protrusion part 32 2nd protrusion part 33 Bending part C Connector for electrical parts

Claims (5)

A first member having a first opening; a second member having a second opening; and the first member being disposed between the first member and the second member being assembled together. An elastically deformable plate having a first contact portion that can project from the surface of the first member through the second opening and a second contact portion that can project from the surface of the second member through the second opening. An electrical component connector comprising:
The contact member has a bent portion between the first contact portion and the second contact portion,
The first member or the second member is formed with a shaft portion that swingably locks the bent portion of the contact member,
An electrical component connector configured such that the contact member is restricted from moving along the axial direction of the shaft portion.   The contact member is configured such that one of the first contact portion and the second contact portion protrudes from one of the first opening and the second opening, and the other contact portion does not protrude from the other opening. The electrical component connector according to claim 1, which can be displaced to a moving position.   At least one of the first member and the second member is configured so that the first contact portion does not protrude from the second member side through the second opening, and the second contact portion is the first member. The electrical component connector according to claim 1, further comprising a restricting portion that restricts swinging of the contact member so as not to protrude from the first member side through the opening.   The first member and the second member are fixed by fitting a fitting portion formed on one of the first member and the second member and a fitted portion formed on the other. The connector for electrical parts as described in any one of 1-3.   A microphone unit comprising the electrical component connector according to any one of claims 1 to 4, and a condenser microphone as an electrical component mounted on a surface of the first member.

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