JP2006210036A - Socket for electrical component - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a socket for electrical component which has fewer numbers of components by taking grounding on a cover member. <P>SOLUTION: The socket for the electric component has a housing 20 of box shape which is arranged on a substrate 50 and on which an electrical component 40 is installed from above and a cover member 1 which is made of a metal material and covers the electric component 40 and the housing 20 from above. The cover member 1 has a contact piece 10 which is hung down in the inside or in the vicinity of the outer face of the housing 20 in a state of being installed on the housing 20, and is conducted to the substrate 50 via the contact piece 10. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an electrical component socket for mounting an electrical component, and more particularly, to an electrical component socket in which a metal cover member is provided from above the electrical component and is electrically connected to a substrate.

Conventionally, as an electrical component socket for storing an electrical component, a plurality of contact terminals are juxtaposed, and when the electrical component is mounted on a housing, the contact terminal is brought into contact with a contact portion on the bottom surface of the electrical component for electrical connection. Things are used. As such an electrical component socket, for example, there is one disclosed in Patent Document 1.
Japanese Utility Model Publication No. 5-87873

  The housing of the electrical component socket is open upward, and is inserted into the housing by inserting the electrical component. Then, the housing on which the electrical component is mounted is fixedly disposed on the substrate, whereby the electrical component and the conductive portion on the substrate can be electrically connected via the contact terminal. Here, in order to prevent malfunction or failure due to static electricity or the like, the housing on which the electrical components are mounted is surrounded by a conductive metal frame, and the metal frame is bonded to the substrate.

  In the socket for electrical parts, after mounting the electrical parts on the housing, the cover member is mounted from above the electrical parts and the electrical parts are pressed down so that the electrical parts can be removed from the housing due to external impact or dropping. I try to prevent that.

  As described above, in the conventional socket for electric parts, after mounting the electric parts, the metal frame is attached to the housing, and the cover member is further attached to the housing. For this reason, the conventional socket for electric parts has many parts, and it was difficult to reduce the size and cost of the product.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide an electrical component socket in which the number of components is reduced by grounding with a cover member.

In order to solve the above-described problems, an electrical component socket according to the present invention is a box-shaped housing which is disposed on a substrate and is mounted with an electrical component from above, and is composed of a metal material from above. And a socket for an electrical component having a cover member covering the housing,
The cover member has a contact piece suspended in the housing or in the vicinity of the outer surface in a state of being attached to the housing, and is configured to be electrically connected to the substrate through the contact piece. .

  In the electrical component socket according to the present invention, the contact piece is formed of a coiled spring body, and the housing is provided with a through-hole through which the spring body passes vertically, and the cover member is formed of the through-hole. And is biased upward by a spring body housed in the housing.

  Furthermore, the electrical component socket according to the present invention is characterized in that the through hole is formed in a corner portion of the housing, and a spring body received in the through hole is in pressure contact with the corner portion of the upper surface of the cover member. ing.

  Furthermore, in the socket for electrical parts according to the present invention, the contact piece is integrally suspended from the upper surface of the cover member in the vicinity of the outer surface of the housing, and has elasticity at a lower end portion that is electrically connected to the substrate. An elastic part is provided, and the cover member is urged upward by the elastic part.

  In the electrical component socket according to the present invention, the contact piece is formed in a plate shape, and the elastic portion is provided with elasticity by bending the vicinity of the tip of the plate-like contact piece. Yes.

  In the electrical component socket according to the present invention, the contact piece is integrally suspended from the upper surface of the cover member in the vicinity of the outer surface of the housing, and has an insertion portion at a lower end portion. It has a feature that it has an insertion hole for receiving the part.

  According to the socket for electrical parts according to the present invention, the cover member has a contact piece suspended in the housing or in the vicinity of the outer surface in a state of being attached to the housing, and is electrically connected to the substrate through the contact piece. Thus, the ground can be obtained by connecting the cover member to the substrate, so that the metal frame used in the prior art is not required, the number of parts can be reduced, and the size and cost of the product can be reduced. .

  Further, according to the electrical component socket according to the present invention, the contact piece is formed of a coiled spring body, the housing is provided with a through-hole through which the spring body penetrates in the vertical direction, and the cover member is housed in the through-hole. By being biased upward by the spring body, the spring body housed in the housing can be in a pressed state between the cover member and the substrate, so that the cover member can be reliably connected to the substrate. In addition, malfunctions and failures due to static electricity can be reliably prevented.

  Furthermore, according to the electrical component socket according to the present invention, the through hole is formed in the corner of the housing, and the spring body received in the through hole is pressed against the corner of the upper surface of the cover member, so that the spring body is covered with the cover body. It can arrange | position so that it may not interfere with other parts, and the freedom degree of design of a cover body can be raised.

  Furthermore, according to the socket for electric parts according to the present invention, the contact piece is integrally suspended from the upper surface of the cover member, and has an elastic portion having elasticity at the lower end portion connected to the substrate, and the elastic portion covers the contact piece. By urging the member upward, the cover member can be reliably connected to the substrate simply by attaching the cover member to the outside of the housing, and easily prevents malfunctions and failures due to static electricity. be able to.

  According to the electrical component socket according to the present invention, the contact piece is formed in a plate shape, and the elastic portion is made elastic by bending the vicinity of the tip of the plate-like contact piece so as to have elasticity. Therefore, the cover body can be easily manufactured.

  Further, according to the socket for electrical parts according to the present invention, the contact piece is integrally suspended from the upper surface of the cover member, has an insertion portion at the lower end, and the board has an insertion hole for receiving the insertion portion. By simply inserting the lower end of the contact piece of the cover member into the insertion hole of the substrate, the cover member can be reliably connected to the substrate, and malfunctions and failures due to static electricity can be easily caused. Can be prevented.

  Embodiments of the present invention will be described in detail with reference to the drawings. 1 is a perspective view of an electrical component socket and an electrical component 40 in the present embodiment, FIG. 2 is a plan view of a housing 20 in the present embodiment, FIG. 3 is a cross-sectional view taken along the line AA in FIG. It is BB sectional drawing. As shown in these drawings, the electrical component socket in the present embodiment includes a housing 20 in which the electrical component 40 is mounted and a cover member 1 that holds the electrical component 40 mounted in the housing 20 from above. The electric component 40 and the board 50 are arranged on the board 50 to be electrically connected. The housing 20 is provided with a plurality of contact terminals 30 that allow the electrical component 40 and the substrate 50 to be electrically connected.

  The electrical component 40 mounted on the housing 20 is obtained by processing a semiconductor such as silicon of several millimeters square so that a large number of circuit elements function as an electronic circuit. In the present embodiment, the electrical component 40 is a camera module in which an optical component is further incorporated. However, the electrical component 40 is not limited to the camera module.

  In addition, the electrical component 40 has a plurality of contact portions 41 at the lower portion of the side surface. The electrical component 40 is attached to the housing 20 and brought into contact with the contact terminal 41, whereby the electrical connection of the electrical component 40 to the substrate 50 is achieved. It becomes possible. Here, an engaged portion 43 that engages with a claw portion 5 of the cover member 1 to be described later is formed on the upper portion of the side surface 42 of the electrical component 40.

  As shown in FIGS. 2 and 3, the housing 20 that houses the electrical component 40 is formed of an insulating material such as a resin and is formed in a box shape having an open top. The housing 20 is in a state in which the electrical component 40 is mounted by inserting and fitting the electrical component 40 from above. As shown in FIG. 1, an engagement groove 24 that engages with the cover member 1 is formed on the outer surface of each side wall 21 of the housing 20. Further, as shown in FIGS. 2 and 4, a through hole 25 through which the contact piece 10 of the cover member 1 penetrates in the vertical direction is formed in the corner portion 23 of the side wall 21 of the housing 20.

  A plurality of contact terminals 30 provided in the housing 20 are formed in a thin plate shape from a conductive material such as metal, and the connection portion 31 formed at the tip portion thereof corresponds to the contact portion 41 of the electrical component 40 in the housing 20. Is to be arranged. As shown in FIG. 3, the connection portion 31 is formed in a substantially semicircular cross section in order to ensure contact with the contact portion 41.

  Further, as shown in FIG. 3, the contact terminal 30 is disposed on the bottom portion 22 of the housing 20 and connected to the substrate 50, and the side wall 21 of the housing 20 from the joint portion 32 through the first bent portion 33. A first terminal portion 34 extending vertically upward along the second terminal portion 34 and a second terminal portion 36 extending downward from the first terminal portion 34 through the second bent portion 35 toward the inside of the housing 20, A connecting portion 31 is formed at the tip of the second terminal portion 36.

  The joint portion 32 of the contact terminal 30 is exposed on the bottom surface of the bottom portion 22 of the housing 20, and the bottom surface of the joint portion 32 is soldered to the substrate 50. As shown in FIG. 3, the first terminal portion 34 and the second terminal portion 36 are formed by being folded back by a second bent portion 35, and the second terminal portion 36 extends downward with a predetermined angle. Therefore, it has elasticity as a spring that can expand and contract in the left-right direction.

  The second bent portion 35 is folded back into a substantially semicircular cross section and has elasticity. For this reason, it is possible to elastically support the movement of the connecting portion 31 in the direction of the side wall 21 of the housing 20 due to the insertion of the electric component 40, and it is possible to ensure the contact pressure with the contact portion 41 of the electric component 40. 31 and the contact part 41 can be contacted more reliably.

  FIG. 5 is a cross-sectional view showing a state where the electrical component 40 is mounted in the housing 20. As shown in this figure, when the electrical component 40 is mounted, the contact terminal 30 contracts in the direction of the side wall 21 of the housing 20 and is accommodated in the side wall 21 of the housing 20, and the contact portion between the connection portion 31 and the electrical component 40. 41 comes into contact.

  The cover member 1 is mounted on the housing 20 to which the electrical component 40 is mounted from above after completion of the energization inspection or the like. FIG. 6 shows a front view of the cover member 1. As shown in FIGS. 1 and 6, the cover member 1 is composed of an upper surface 2 and side surfaces 3, 3. Is done. That is, the electrical component 40 is covered and protected by attaching the cover member 1 to the housing 20.

  In the present embodiment, as shown in FIG. 1, the opening 4 is formed on the upper surface 2 of the cover member 1 so that the optical component incorporated in the upper part of the electrical component 40 is exposed. A plurality of claw portions 5 that are engaged with engaged portions 43 formed on the side surfaces 42 of the electrical component 40 are formed at the edge of the opening 4.

  When the cover member 1 is attached to the housing 20, the electric component 40 is pressed from above by the claw portion 5, and the electric component 40 is prevented from coming out of the housing 20. Further, on the inner side surface 3 of the cover member 1, engagement protrusions 6 that engage with engagement grooves 24 provided on the outer surface of the side wall 21 of the housing 20 are formed. For this reason, the cover member 1 is firmly fixed to the housing 20.

  Further, as shown in FIG. 1, the cover member 1 has a contact piece 10 that can be electrically connected to the substrate 50 while being attached to the housing 20. The contact piece 10 is made of a conductive material such as metal, and is configured by a coiled spring body having elasticity. The contact piece 10 is inserted into a through-hole 25 formed in the corner 21 of the side wall 21 of the housing 20. Although the contact piece 10 in this embodiment is separated from the cover member 1 as shown in FIG. 1, the contact piece 10 may be attached so as to hang down from the upper surface 2 of the cover member 1 and may be configured integrally. .

  FIG. 7 is an assembly perspective view of the electrical component socket according to the present embodiment, and FIG. 8 is a cross-sectional view showing a state in which the cover member 1 is mounted on the housing 20. As shown in FIG. 8, since the cover member 1 is mounted with the contact piece 10, which is a spring body, disposed in the through hole 25, the upper end of the contact piece 10 contacts the upper surface 2 of the cover member 1, and the lower end is Contact the substrate 50. That is, since the cover member 1 is electrically connected to the substrate 50 via the contact piece 10, the cover member 1 can take a ground and can prevent malfunction or failure of the product due to static electricity or the like.

  In the present embodiment, since the contact piece 10 that enables conduction to the substrate 50 is provided on the cover member 1, a conventionally used metal frame becomes unnecessary, and the number of parts can be reduced. Therefore, the product can be reduced in size and the manufacturing cost can be reduced.

  Further, since the cover member 1 is attached to the housing 20 with the contact piece 10 that is a spring body placed in the through hole 25, the contact piece 10 contracts downward by the attachment of the cover member 1, and the cover member 1 attaches upward. It will be in a state of power. Thereby, the contact piece 10 which is a spring body can be in a pressed state between the cover member 1 and the substrate 50, and the cover member 1 can be reliably connected to the substrate 50, and malfunction and failure due to static electricity and the like can be reliably ensured. Can be prevented.

  In the present embodiment, since the through hole 25 is provided in the side wall 21 of the housing 20 and the contact piece 10 is disposed in the through hole 25, the contact piece 10 can be protected from an impact from the outside, and is always covered by the cover member 1. And a conductive state between the substrate 50 and the substrate 50 can be secured.

  Further, by providing the through hole 25 in the corner portion 23 of the housing 20, the contact piece 10 can be disposed so as not to interfere with other portions. By disposing the contact piece 10 at the corner 23 of the housing 20, the degree of freedom in designing other parts can be secured, and there is no adverse effect due to the provision of the contact piece 10.

  In the present embodiment, the through hole 25 for housing the contact piece 10 is provided in the corner portion 23 of the housing 20. However, since the contact piece 10 electrically connects the cover member 1 and the substrate 50, the cover member 1 and the substrate Any position can be used as long as the position can contact both sides.

  Next, a second embodiment will be described. As in the first embodiment, the electrical component socket in the present embodiment is arranged on the substrate 50 and includes the housing 20 on which the electrical component 40 is mounted, and the electrical component 40 mounted on the housing 20. It is comprised from the cover member 1 pressed down from the top, and the structure of the contact piece 10 which enables the cover member 1 and the board | substrate 50 to conduct | electrically_connect is different from 1st Embodiment. FIG. 9 is an assembled perspective view of the electrical component socket in the present embodiment.

  As shown in FIG. 9, in this embodiment, the contact piece 10 is formed on the side surface 3 of the cover member 1. The contact piece 10 is integrally formed in a plate shape depending from the end portion of the upper surface 2. Then, the cover member 1 is disposed in the vicinity of the outer surface of the housing 20 in a state where the cover member 1 is attached to the housing 20, and the lower end portion contacts the substrate 50, thereby electrically connecting the cover member 1 and the substrate 50. By forming the contact piece 11 integrally with the cover member 1, the cover member 1 can be electrically connected to the substrate 50 only by attaching the cover member 1 to the housing 20. Failure can be prevented.

  Further, the lower end portion of the contact piece 10 is provided with an elastic portion 11 having elasticity. The elastic portion 11 elastically contacts the substrate 50 in a state where the cover member 1 is attached to the housing 20 and biases the cover member 1 upward.

  The elastic part 11 is formed to have elasticity by bending the vicinity of the tip part of the contact piece 10. For this reason, when the cover member 1 is attached to the housing 20 from above, the elastic portion 11 provided at the lower end portion of the contact piece 10 abuts against the substrate 50 and is further attached to the housing 20. Is in elastic contact with the substrate 50. Accordingly, the elastic portion 11 biases the cover member 1 upward, and the cover member 1 can be reliably conducted to the substrate 50.

  Since the contact piece 11 is formed in a plate shape, and the elastic portion 11 has a simple configuration in which the vicinity of the tip end portion of the contact piece 10 is simply bent, the cover member 1 can be easily manufactured. In the present embodiment, as shown in FIG. 9, the contact piece 10 is provided on a pair of side surfaces facing each other. However, the application of the present invention is not limited to this, and may be provided on each side surface 3, for example. However, a plurality of the side surfaces 3 may be provided.

  Next, a third embodiment will be described. As in the second embodiment, the electrical component socket in the present embodiment is arranged on the substrate 50 and includes the housing 20 on which the electrical component 40 is mounted and the electrical component 40 mounted on the housing 20. It is comprised from the cover member 1 hold | suppressed from upper direction, and the structure of the contact piece 10 which enables the cover member 1 and the board | substrate 50 to conduct | electrically_connect is different. FIG. 10 is an assembled perspective view of the electrical component socket in the present embodiment.

  In this embodiment, as shown in FIG. 10, the contact piece 10 is integrally formed by hanging from the side surface 3 of the cover member 1, and has an insertion portion 12 at the lower end. An insertion hole 51 is formed in the substrate 50 at a position corresponding to the insertion portion 12 of the contact piece 10.

  The insertion hole 51 is formed corresponding to the cross-sectional shape of the insertion portion 12, and the insertion portion 12 of the contact piece 10 is inserted when the cover member 1 is attached. Thereby, the outer surface of the insertion part 12 contacts the inner surface of the insertion hole 51, and the cover member 1 and the board | substrate 50 can be electrically connected.

  In the present embodiment, the cover member 1 can be electrically connected to the substrate 50 simply by inserting the insertion portion 12 of the contact piece 10 into the insertion hole 51 of the substrate 50. Failure can be prevented. In addition, since the insertion hole 51 of the substrate 50 is formed deeper than the insertion portion 12 of the contact piece 10, manufacturing errors of the insertion portion 12 can be allowed, so that the cover member 1 can be easily manufactured. is there.

  As mentioned above, although embodiment of this invention was described, application of this invention is not restricted to these embodiment, It can apply variously within the range of the technical idea. For example, the positions and the number of contact terminals 30 juxtaposed in the housing 20 are provided corresponding to the contact portions 41 of the electrical component 40, and are not limited to this embodiment.

It is a perspective view of the socket for electrical components and an electrical component in this embodiment. It is a top view of the housing in this embodiment. It is AA sectional drawing of FIG. It is BB sectional drawing of FIG. It is sectional drawing which showed the relationship between a housing and an electrical component. It is a front view of the cover member in this embodiment. It is an assembly perspective view of the socket for electrical components. It is sectional drawing which shows the state which attached the cover member to the housing. It is an assembly perspective view of the socket for electric parts in a 2nd embodiment. It is an assembly perspective view of the socket for electric parts in a 3rd embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cover member 2 Upper surface 3 Side surface 4 Claw part 5 Engagement protrusion 10 Contact piece 11 Elastic part 12 Insertion part 20 Housing 23 Corner | angular part 24 Engagement groove 25 Through-hole 30 Contact terminal 31 Connection part 40 Electrical component 41 Contact part 43 Covered Engagement part 50 Substrate 51 Insertion hole

Claims (6)

In a socket for an electrical component that is disposed on a substrate and has a box-shaped housing on which electrical components are mounted from above, and a cover member that is made of a metal material and covers the electrical components and the housing from above.
The cover member has a contact piece suspended in the housing or in the vicinity of the outer surface in a state of being attached to the housing, and is electrically connected to the substrate through the contact piece. socket.   The contact piece is formed of a coiled spring body, and the housing is provided with a through hole for vertically penetrating the spring body, and the cover member is biased upward by a spring body housed in the through hole. The electrical component socket according to claim 1, wherein the socket is an electrical component.   3. The electrical component socket according to claim 2, wherein the through hole is formed in a corner portion of the housing, and a spring body housed in the through hole is in pressure contact with a corner portion of the upper surface of the cover member.   The contact piece is integrally suspended from the upper surface of the cover member in the vicinity of the outer surface of the housing, and has an elastic portion having elasticity at a lower end portion that is electrically connected to the substrate. 2. The socket for an electrical component according to claim 1, wherein the socket is biased upward.   5. The socket for an electrical component according to claim 4, wherein the contact piece is formed in a plate shape, and the elastic portion is provided with elasticity by bending the vicinity of the tip portion of the plate-like contact piece.   The contact piece is integrally suspended from the upper surface of the cover member in the vicinity of the outer surface of the housing, has an insertion portion at a lower end portion, and the board has an insertion hole for receiving the insertion portion. The socket for an electrical component according to claim 1, wherein the socket is an electrical component.

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