JPH0557789U - Socket for electronic parts - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a socket for electronic parts, which can be attached to a housing by both feed-through type and surface mount type contacts. [Structure] The electronic component socket 10 includes a housing 11
And the contact 1 attached to the housing 11.
2 and. In the bottom wall 11d of the housing 11, the contact insertion space 1 formed in the housing 11
There is provided an opening 13 connected to 1b, and the opening 13 has a size and shape that allows the lead contact portion 12b of the contact 12 to be inserted into the contact insertion space 11b from below the housing 11. The housing 11 and the contact 12 are engaged with each other, and the lead contact portion 12 inserted into the contact insertion space 11b through the opening 13 holds the lead contact portion 12 in the contact insertion space 11b.
12f is provided.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention relates to an electronic component socket that receives electronic components and is surface-mounted on a printed circuit board.

[0002]

[Prior Art]

 When mounting an electronic component having leads extending from the component body, for example, a resistor on a printed circuit board, an electronic component socket capable of receiving and holding the resistor is often used. As shown in FIG. 7, such an electronic component socket has a housing 71 having a component receiving space 71a that is opened upward to receive a dual in-line package type resistor 75, and a component receiving space in the housing 71. It is composed of a plurality of contacts 72, ..., 72 which are mounted side by side in two rows with the space 71 a interposed therebetween.

Each contact 72 is arranged in a contact insertion space 71 b adjacent to the component receiving space 71 a and has a lead contact portion 72 b which comes into contact with the lead 75 a of the resistor 75, and a bottom wall which faces the contact insertion space 71 b. And a leg portion 72d that extends straight below the bottom wall 71d through a small opening 73 formed in 71d (hereinafter, the contact thus formed is referred to as a feedthrough type contact). The lead contact portion 72b is formed by bending the leg portion 72d and the like so as to generate an elastic force for making pressure contact with the lead 75a of the resistor 75.

If the leg portion 72d of the contact 72 formed in this way and in contact with the lead 75a of the resistor 75 is inserted into a through hole formed in a printed circuit board (not shown) and soldered, the resistance is reduced. The device 75 can be detachably and replaceably attached to the printed circuit board.

[0005]

[Problems to be solved by the device]

 However, in the electronic component socket having such a structure, since the contact is inserted from above the housing and attached to the housing, there is a problem that only feedthrough type contacts can be used. That is, it is inconvenient because the surface mount type contact in which the leg portion is formed to extend along the lower surface of the bottom wall of the housing cannot be used.

As with the feed-through type, it is possible to install the legs with the legs extended downward and then fold the legs to make it a surface mount type, but due to the elasticity of the contacts As such, it is difficult to bend the legs parallel to the bottom surface of the bottom wall.

The present invention has been made in view of the above problems, and an object thereof is to provide an electronic component socket capable of mounting both feed-through type and surface mount type contacts. To do.

[0008]

[Means for Solving the Problems]

 In order to achieve the above object, in the socket for electronic components of the present invention, an opening formed in the bottom wall of the housing and connected to the contact insertion space is provided, and the lead contact portion of the contact is inserted from below the housing into the contact insertion space. And a lead contact portion that engages with the housing and the contact and is inserted into the contact insertion space through the above-described opening to hold the lead contact portion in the contact insertion space. It forms a joint.

A leg inspection port may be provided on the bottom wall of the housing so that the leg of the surface mount type contact mounted on the housing is exposed upward from the bottom wall of the housing.

[0010]

[Operation] In the electronic component socket as described above, the lead contact portion of the contact is inserted from below the bottom wall into the contact insertion space of the housing, so that it can be used for both feedthrough and surface mount contacts. Can be mounted on the housing.

If the leg inspection port is provided, the leg portion of the surface mount type connector can be seen from above the housing through the inspection port, and whether the leg portion is soldered to the print board or not. Can be easily inspected.

[0012]

【Example】

 Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows an electronic component socket 10 according to the present invention. The electronic component socket 10 includes a housing 11 made of an electrically insulating material such as resin and a contact 12 made of a conductive metal and attached to the housing 11.

The housing 11 is formed with a component receiving space 11 a extending in the longitudinal direction and opening upward. A dual in-line package type resistor 15 is received in the component receiving space 11a. A plurality of contact insertion spaces 11b, ..., 11b are formed adjacent to both sides of the component receiving space 11a in the housing 11. Each contact insertion space 11b faces the inside of the side wall 11h of the housing 11, and adjacent contact insertion spaces 11b and 11b are separated by a partition wall 11i. The component receiving space 11a and each contact inserting space 11b are separated by a front wall 11j extending in the longitudinal direction of the housing 11.

As shown in detail in FIG. 2, the contact (surface mount type contact) 12 includes a lead contact portion 12b formed by bending so as to hang downward from an upper portion of a vertically extending back plate 12a, and a back contact portion 12b. The bottom plate 12c is formed by bending the bottom part of the plate 12a so as to extend horizontally forward, and the leg part 12d is formed so as to extend horizontally from the center of the front end of the bottom plate 12c. It

The distance between the back plate 12a and the lead contact portion 12b is set to be wider than the inner distance between the side wall 11h and the front wall 11j of the housing 11. Further, the back plate 12a is formed wider than the lead contact portion 12b so that a shoulder portion 12g is formed on the upper portion thereof, and press-fitting projections 12e, 12e are provided at two upper and lower positions on both ends of the back plate 12a. Has been formed. Further, projecting engagement portions 12f, 12f are formed at both end portions of the bottom plate 12c so as to be wider than the back plate 12a.

Here, as shown in detail in FIG. 3, an opening 13 is formed in a portion of the bottom wall 11 d of the housing 11 facing each contact insertion space 11 b. The opening 13 has a size and shape that allows the back plate 12a and the lead contact portion 12b of the contact 12 to be inserted into the contact insertion space 11b from below the bottom wall 11d. That is, the opening 13 has a back plate insertion notch 13e into which the shoulder 12g of the back plate 12a and the press-fitting protrusion 12e can be inserted, and a bottom plate receiving portion 12c and the overhanging engagement portions 12f and 12f. And the portion 13d.

The back plate insertion notch 13e is formed in the partition wall 11i of the housing 11 to guide the shoulder 12g of the back plate 12a and the press-fitting protrusion 12e inserted into the contact insertion space 11b through the partition 13i. It is connected to the formed guide groove 11e. In addition, bottom surface engaging portions 11k, 11k are formed above both sides of the bottom plate receiving portion 13d in the partition wall 11i so as to project toward the inside of the bottom plate receiving portion 13d.

Through the opening 13 thus formed, the back plate 12a and the lead contact portion 12b of the contact 12 can be press-fitted into the contact insertion space 11b from below the bottom wall 11d, and the contact 12 can be further extended. The upper surfaces of the engaging portions 12f and 12f and the lower surfaces of the bottom surface engaging portions 11k and 11k are brought into contact with each other, whereby the back plate 12a and the lead contact portion 12b are prevented from coming out upward. It can be held in the contact insertion space 11b.

When the lead contact portion 12b is inserted into the contact insertion space 11b, the lead contact portion 12b contacts the front wall 11j and is pushed toward the back plate 12b. As a result, an appropriate elastic force can be generated in the lead contact portion 12b, and when the lead 15a of the resistor 15 is inserted between the lead contact portion 12b and the front wall 11j, the lead contact portion 12b. The elastic force of b can surely contact the lead 15a.

By the way, the leg portion 12d of the contact 12 extends toward the longitudinal axis of the housing 11 along the lower surface of the bottom wall 11d of the housing 11. A leg inspection port 14 is formed in a portion of the bottom wall 11d facing the upper surface of the tip of the leg 12d. The leg inspection port 14 penetrates the bottom wall 11d in the vertical direction, and exposes the periphery of the tip of the leg 12d toward the upper side of the housing 11. Therefore, an inspector or the like can visually inspect the periphery of the tip end portion of the leg portion 12d through the leg portion inspection port 14, and, for example, can easily determine whether the leg portion 12d is soldered to a printed circuit board (not shown). You can judge.

In the above embodiment, the case where the surface mount type contact 12 is attached to the housing 11 has been described, but the housing 11 is provided with the feed through type contact 62 as shown in FIG. You can also The contact 62 is formed in the same manner as the surface mount type contact 12 except that the leg portion 62d extends straight downward. Therefore, the back plate 62a and the lead contact portion 62b of the contact 62 can be press-fitted into the contact insertion space 11b from below the bottom wall 11d through the opening 13 of the housing 11, and the overhanging engagement portion 62f of the contact 62 can be further inserted. , 62f and the bottom surface engaging portions 11k, 11k formed in the opening 13 are engaged to hold the lead contact portion 62b and the like in the contact insertion space 11b.

By mounting the feed-through type contact 62 in this manner, the socket 10 for an electronic component can be mounted on a through-hole type printed circuit board (not shown).

[0023]

[Effect of the device]

 As described above, in the electronic component socket of the present invention, the contact can be attached to the housing by inserting the lead contact portion of the contact from below the bottom wall of the housing. For this reason, it is possible to easily install not only feedthrough type contacts whose legs extend straight downward, but also surface mount type contacts whose legs extend along the bottom wall of the housing. .. Therefore, the socket for this electronic component is convenient because it can be used as a socket for a through-hole type printed circuit board or a socket for a surface mount type printed circuit board by simply changing the contact type.

If the leg inspection port is provided on the bottom wall of the housing, the leg of the surface mount type contact can be seen from above the housing. Therefore, it is possible to easily determine whether the leg is soldered to the printed circuit board or the like.

[Brief description of drawings]

FIG. 1 is a perspective view of an electronic component socket according to the present invention.

FIG. 2 is a perspective view of a surface mount type contact used in the electronic component socket.

FIG. 3 is a bottom view of the electronic component socket.

FIG. 4 is a sectional view taken along line IV-IV in FIG.

5 is a sectional view taken along line VV in FIG.

FIG. 6 is a perspective view of a feedthrough type contact used in the electronic component socket.

FIG. 7 is a perspective view of a conventional electronic component socket.

[Explanation of symbols]

 10, 70 Socket for electronic parts 11, 71 Housing 11a, 71a Component receiving space 11b, 71b Contact insertion space 12, 62, 72 Contact 12b, 62b, 72b Lead contact part 12d, 62d, 72d Leg part 13, 73 Opening part 14 Leg inspection port 15,75 Resistor 15a, 75a Lead

Claims (2)

[Scope of utility model registration request] 1. A housing having a component receiving space that opens upward and receiving an electronic component in the component receiving space,
An electronic component socket comprising a contact attached to the housing, wherein the contact is arranged in a contact insertion space adjacent to the component receiving space and received in the component receiving space. A lead contact portion that comes into contact with the lead, and a leg portion that extends to the lower side of the bottom wall through an opening formed in the bottom wall of the housing and that connects to the contact insertion space and is connected to a printed circuit board or the like In the electronic component socket, wherein the lead contact portion is bent to the leg portion so as to generate an urging force for pressingly contacting the lead, the opening portion may be the lead contact portion of the contact. It has a size and shape that can be inserted into the contact insertion space from below the housing. The tact includes an engaging portion that engages with each other and holds the lead contact portion inserted into the contact insertion space through the opening in the contact insertion space. socket. 2. The legs of the contacts mounted on the housing extend along a lower surface of the bottom wall of the housing, exposing the legs upward of the bottom wall of the housing. The socket for electronic parts according to claim 1, wherein a leg inspection port is provided on the bottom wall of the housing.