JP5202275B2 - Socket for electrical parts - Google Patents

Description

  The present invention relates to an electrical component socket in which improvements have been made to contact pins and the like for electrically connecting electrical components to a wiring board.

Conventionally, as this kind of thing, there exists a thing as described in patent document 1, for example. In Patent Document 1, “the socket body is attached from the lower surface of the board, and the operation member is positioned on the upper side of the board through a through hole formed in the board, and a contact pin for conduction is attached to the socket body. The substantially arc-shaped elastic portion of the contact pin for conduction is located on the lower side of the substrate, and a first pressing portion formed on the operation member is pressed to the tip of the substantially arc-shaped elastic portion. The pressed part extends upward, and in the accommodated state of the CCD, an electrical component socket is provided in which contact portions for contact with the terminals formed on the upper surface of the CCD are provided on the contact pins. "Is written.
Japanese Patent Application Laid-Open No. 2008-135341.

  However, in such a conventional one, since the existing contact pin is provided with a spring part (substantially arc-shaped elastic part) that is elastically deformed, the electric circuit length is increased accordingly. There is a possibility that a deviation occurs between the waveform at the time of measurement and the theoretical value. Also, since the contact portion for conduction is displaced by the elastic deformation of the spring portion having the substantially arc shape, it is difficult to accurately position the displaced position, and the positioning accuracy is reduced. There was a problem.

  Therefore, an object of the present invention is to provide an electrical component socket that can shorten the electrical path length of the contact pin and improve positioning accuracy.

  In order to solve the above-mentioned problem, the invention according to claim 1 is a plurality of sockets that electrically connect between a socket body in which an electrical component is accommodated, and terminals and wiring boards of the electrical component accommodated in the socket body. In the electrical component socket including the contact pin, the contact pin is provided so as to be rotatable about a rotation shaft provided in an intermediate portion in the longitudinal direction, and is rotated in one direction, thereby being end-fitted. Is in contact with the terminal of the electrical component, the other end is in contact with the wiring board and rotated in the other direction, so that one end is separated from the electrical component and the other end is the wiring board. It is characterized by being set as the socket for electrical components comprised so that it might space apart from.

  According to a second aspect of the present invention, in addition to the configuration of the first aspect, the plurality of contact pins are attached to a rotating member, and the rotating pin and the plurality of contact pins constitute a contact pin unit. The pivot member is provided on the socket body so as to be pivotable via the pivot shaft.

  According to a third aspect of the present invention, in addition to the structure of the second aspect, the contact pin is a long plate-like elastically deformable contact pin main body, a protrusion projecting from the contact pin main body, and the rotating member A press-fitting portion that is press-fitted into the base plate, and is rotated in one direction so that one end abuts on the electrical component and the other end abuts on the wiring board and is rotated in the other direction. Thus, the one end portion is separated from the electrical component, and the other end portion is separated from the wiring board.

  According to a fourth aspect of the present invention, in addition to the configuration according to any one of the first to third aspects, a biasing unit that biases the contact pin to rotate in the one direction is provided. And

  According to a fifth aspect of the present invention, in addition to the configuration according to any one of the first to fourth aspects, an operation member is provided to be movable up and down with respect to the socket body, and the operation member is lowered. The contact pin is configured to be rotated in the other direction via a rotation means.

  According to the first aspect of the present invention, since the contact pin is a rotary type, and one end of the contact pin is separated from and connected to the terminal of the image sensor, the spring having a substantially arc shape that is elastically deformed as in the prior art. Since no part is required, the total length of the contact pin can be shortened. Therefore, since the electric circuit length can be shortened as much as possible, the high frequency characteristics can be improved as compared with the conventional one.

  Also, since one end of the contact pin rotates about the rotation axis, it always moves in the same way, so that the spring portion having a substantially arc shape is elastically deformed unlike the conventional one. Therefore, since the contact portion is not displaced, the positional accuracy of the one end portion with respect to the terminal of the electrical component can be improved.

  According to the second aspect of the present invention, in addition to the effect of the first aspect, the plurality of contact pins are attached to the rotating member, and the rotating member and the plurality of contact pins constitute a contact pin unit. Since the rotating member is rotatably provided on the socket body via the rotating shaft, the contact pin can be easily rotated.

  According to the invention described in claim 3, in addition to the effect described in claim 2, the contact pin is a long plate-like elastically deformable contact pin main body, protrudes from the contact pin main body, and is attached to the rotating member By having a press-fit portion that is press-fitted and being rotated in one direction, one end is in contact with an electrical component, the other end is in contact with a wiring board, and is rotated in the other direction. Since one end is separated from the electrical component and the other end is separated from the wiring board, the contact pin can be easily attached to the rotating member by the press-fit portion, and the contact pin body is elastically deformed. By making it possible, it can be brought into contact with an electrical component or a wiring board with a predetermined contact pressure.

  According to the invention described in claim 4, in addition to the effect described in any one of claims 1 to 3, the biasing means for biasing the contact pin to rotate in one direction is provided. By the urging means, the contact pin can be rotated to bring one end portion into contact with the electrical component.

  According to the invention described in claim 5, in addition to the effect described in any one of claims 1 to 4, the operation member is provided to be movable up and down with respect to the socket body, and the operation member is lowered. Since the contact pin is rotated in the other direction via the rotation means, the contact pin can be easily rotated only by lowering the operation member.

  Hereinafter, the present invention will be described in detail based on embodiments.

  [Embodiment 1 of the Invention]

  1 to 6 show a first embodiment of the present invention.

  First, the configuration will be described. Reference numeral 10 in the figure denotes an image sensor inspection socket as an “electrical component socket”. The image sensor inspection socket 10 holds an image sensor (for example, a CCD) 11 as an “electrical component”. The image sensor 11 is used for product inspection by irradiating light from the light source 12 to the image sensor 11.

  As shown in FIG. 6, the image sensor 11 has a light receiving portion 11b formed on the lower surface of a substantially rectangular sensor body 11a, and a plurality of terminals extending over four sides on the peripheral portion of the upper surface of the light receiving portion 11b. 11c is formed.

  In short, the image sensor inspection socket 10 is provided with a socket main body 13 that accommodates the image sensor 11, a contact pin unit 14 provided on the socket main body 13, and a socket main body 13 that is movable up and down. And an operation member 17 for rotating the contact pin unit 14.

  As shown in FIG. 2, the socket body 13 is positioned at a predetermined position on the lower surface of the wiring board 18 by a positioning pin 13a and is detachably attached, and a housing portion in which the image sensor 11 is housed on the center side. 13b is formed. The accommodating portion 13b has a quadrangular cylindrical shape, and light from the light source 12 passes through the internal space and is received by the light receiving portion 11b of the image sensor 11.

  Further, four contact pin units 14 are disposed around the rectangular accommodating portion 13b. Each contact pin unit 14 has one holder 15 as a “rotating member” made of an insulating member, And a plurality of contact pins 16 arranged at a predetermined pitch.

  As shown in FIG. 5, the holder 15 is rotatably provided on the socket body 13 by a rotation shaft 19, and the holder 15 has a plurality of arrangement grooves 15 a in which contact pins 16 are arranged. It is formed with a pitch. A press-fitting hole 15b is formed substantially perpendicularly to the bottom surface of the arrangement groove 15a at the center in the longitudinal direction of the arrangement groove 15a.

  Further, the contact pin 16 is formed in a long plate shape with a material having conductivity and elasticity, and a contact pin main body 16a disposed along the disposition groove 15a, and vertically extended from the contact pin main body 16a. And a press-fit portion 16b that is press-fit into the press-fit hole 15b. The contact pin main body 16a has a substantially S-shape and is provided so as to be elastically deformable. One end portion 16c is separated from the terminal 11c of the image sensor 11, and the other end portion 16d is a pad 18a on the lower surface of the wiring board 18. It is comprised so that it may be separated from.

  As shown in FIG. 2, the contact pin unit 14 has one end 16c of the contact pin 16 connected to the terminal 11c of the image sensor 11 and the other end 16d of the wiring board by a spring 20 as "biasing means". It is urged in a direction in contact with the 18 pads 18a.

  On the other hand, as shown in FIG. 1, the operation member 17 has a substantially quadrangular frame shape, and a square opening 17a is formed in the center portion in a plan view, and the image sensor 11 is accommodated through the opening 17a.・ It can be taken out. As shown in FIG. 2, the inner wall of the opening 17 a is formed with a tapered surface 17 b on the lower side so that the image sensor 11 is guided and accommodated at a predetermined position when the image sensor 11 is accommodated. Has been. The operating member 17 is formed with a pressing portion 17c as “rotating means” for pressing the contact pin unit 14, and the operating member 17 is moved upward by a spring 21, as shown in FIG. Is being energized.

  Next, the operation will be described.

  First, the case where the image sensor 11 is accommodated will be described. As shown in the left half of FIG. 2, when the operating member 17 is pushed down against the urging force of the spring 21 from the raised state, the operating member 17 is shown in the right half of FIG. The pressed portion 15 c of the holder 15 is pressed by the pressing portion 17 c formed at the lower end of the contact pin unit 14, and the contact pin unit 14 rotates about the rotating shaft 19 against the urging force of the spring 20.

  As a result, the socket central portion side (contact pin one end portion 16c side) of the contact pin unit 14 is raised, the contact pin unit 14 is opened, and the one end portion 16c side is retracted from the accommodation range of the image sensor 11. Further, the other end 16 d side of the contact pin 16 is separated from the pad 18 a of the wiring board 18.

  In this state, the image sensor 11 is conveyed by an automatic machine or the like and is accommodated in the accommodating portion 13b of the socket main body 13 through the opening 17a of the operation member 17. At this time, the image sensor 11 is guided by the tapered surface 17b of the operation member 17 and is accommodated in a predetermined position of the accommodating portion 13b.

  Thereafter, when the pressing force on the operating member 17 is released, the operating member 17 is lifted by the biasing force of the spring 21, so that the pressing force on the contact pin unit 14 by the operating member 17 is released, and the contact pin unit 14 is The spring 20 is rotated in the closing direction by the urging force of the spring 20.

  One end portion 16c of the contact pin 16 comes into contact with the terminal 11c of the image sensor 11 from above, and the other end portion 16d of the contact pin 16 comes into contact with the pad 18a of the wiring board 18 from below. At this time, since the contact pin 16 is elastically deformed from the state shown by the two-dot chain line in FIG. 6 to the state shown by the solid line, the contact pressure between the image sensor terminal 11c and the contact pin one end portion 16c is secured to a predetermined value. can do.

  In such a case, since the contact pin unit 14 is a pivot type and the one end portion 16c of the contact pin 16 is separated from and contacted with the terminal 11c of the image sensor 11, a substantially circular arc that is elastically deformed as in the prior art. Since the shaped spring portion is not necessary, the total length of the contact pin 16 can be shortened. Therefore, since the electric circuit length can be shortened as much as possible, the high frequency characteristics can be improved as compared with the conventional one.

  In addition, since the one end portion 16c of the contact pin 16 rotates around the rotation shaft 19, it always moves in the same manner. Therefore, unlike the conventional case, the spring portion having a substantially arc shape is elastic. Since the contact portion is not displaced by the deformation, the positional accuracy of the one end portion 16c with respect to the terminal 11c of the image sensor 11 can be improved.

  Further, the plurality of contact pins 16 are attached to the holder 15, and the contact pin unit 14 is configured by the holder 15 and the plurality of contact pins 16, and the holder 15 rotates to the socket body 13 via the rotation shaft 19. Since it is provided to be movable, the contact pin 16 can be easily rotated.

  Furthermore, the contact pin 16 can be easily attached to the holder 15 by the press-fit portion 16b, and the contact pin body 16a can be elastically deformed, so that the image sensor 11 and the wiring board 18 can be contacted at a predetermined contact pressure. Can be contacted.

  Further, an operation member 17 is provided to be movable up and down with respect to the socket body 13, and when the operation member 17 is lowered, the holder 15 is pressed by the pressing portion 17c and the contact pin 16 is rotated in the other direction. Since it comprised in this way, the contact pin 16 can be easily rotated only by lowering | hanging the operation member 17. FIG.

Furthermore, since the other end portion 16d of the contact pin 16 can be brought into direct contact with the pad 18a of the wiring board 18, the distance from the electronic component on the wiring board 18 can be shortened, and the signal can be easily corrected.
[Embodiment 2 of the Invention]

  FIG. 7 shows a second embodiment of the present invention.

  The second embodiment shows a cam operation type as “rotating means”. That is, as schematically shown in FIG. 7, the contact pin unit 14 is formed with an operating pin 15d, and the pressing portion 17c of the operating member 17 is formed with an inclined cam surface 17d. 17d is in sliding contact with the operating pin 15d.

  Then, when the operating member 17 is lowered as shown in the left half of the figure and then lowered as shown in the right half of the figure, the operating pin 15d of the holder 15 slides on the cam surface 17d of the operating member 17. The contact pin unit 14 is rotated by the biasing force of the spring 21 while being pressed.

  According to this, even if the pressing force of the operation member 17 is weak, the contact pin unit 14 can be easily rotated in the opening direction.

Other configurations and operations are the same as those in the first embodiment, and thus redundant description is omitted.
Embodiment 3 of the Invention

  FIG. 8 shows a third embodiment of the present invention.

  The third embodiment shows a link operation type as “rotating means”. That is, as schematically shown in FIG. 8, the holder 15 and the socket body 13 are connected via a pair of link members 23 and 24. A connecting operation shaft 25 is provided at the connecting portion of the pair of link members 23, 24, and the cam surface 17 d of the operation member 17 slides on the connecting operation shaft 25. A spring 26 that biases the connection operation shaft 25 is provided between the connection operation shaft 25 and the socket body 13.

  Then, when the operating member 17 is lowered as shown in the left half of the drawing from the raised state as shown in the right half of the drawing, the connecting operation shaft 25 of the link members 23 and 24 becomes the cam surface of the operating member 17. The connecting operation shaft 25 is moved toward the outside of the socket body 13 against the urging force of the spring 26 while being pressed while being slid to 17 d. As a result, the pair of link members 23 and 24 are bent as shown in the drawing, and the contact pin unit 14 is rotated in the opening direction.

  According to this, even if the pressing force of the operation member 17 is weak, the contact pin unit 14 can be easily rotated in the opening direction.

Other configurations and operations are the same as those in the first embodiment, and thus redundant description is omitted.
[Embodiment 4 of the Invention]

  FIG. 9 shows a fourth embodiment of the present invention.

  The fourth embodiment shows a gear (rack and pinion) operation type as the “rotating means”. That is, as schematically shown in FIG. 9, a pinion 19 a is formed on the rotation shaft 19 of the contact pin unit 14, and a rack 17 e with which the pinion 19 a is engaged is formed on the operation member 17.

  Therefore, when the operation member 17 is pressed downward and lowered, the rack 17e is lowered, whereby the pinion 19a is rotated and the contact pin unit 14 is rotated in the opening direction. When the pressing force to the operation member 17 is released, the operation member 17 is raised by the spring 21 and is rotated in the closing direction by the spring 20.

  In such a case, the contact pin unit 14 can be accurately rotated by the rack 17e and the pinion 19a according to the movement of the operation member 17.

  Since other configurations and operations are the same as those of the first embodiment, description thereof is omitted.

  In the above-described embodiment, the present invention is applied to the image sensor inspection socket 10, but the present invention is not limited to this, and other sockets may be used. In addition, the contact pin unit 14 is rotated by lowering the operation member 17, but the present invention is not limited to this, and it is needless to say that the contact pin unit 14 may be directly rotated by an automatic machine or the like.

It is a top view of the image sensor test | inspection socket which concerns on Embodiment 1 of this invention. FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1 according to the first embodiment, and shows a state where the cover is raised on the left half and a state where the cover is lowered on the right half from the center line. is there. FIG. 3 is a front view of the image sensor inspection socket according to the first embodiment. It is a top view in the state where the cover of the image sensor inspection socket concerning Embodiment 1 was removed. It is a figure which shows the contact pin unit which concerns on the Embodiment 1. FIG. FIG. 3 is an enlarged view showing a contact pin unit and an image sensor according to the first embodiment. It is a schematic sectional drawing of the image sensor test | inspection socket which concerns on Embodiment 2 of this invention, and is a figure which shows the state where the cover is raising the left half from the centerline in the figure, and the state where the cover is falling. . It is a schematic sectional drawing of the image sensor test | inspection socket which concerns on Embodiment 3 of this invention, and is a figure which shows the state in which the cover is raising the left half from the centerline in the figure, and the state in which the cover is falling. . It is a schematic sectional drawing of the image sensor test | inspection socket which concerns on Embodiment 4 of this invention, and is a figure which shows the state where the cover is raising the left half from the centerline in the figure, and the state where the cover is falling. .

Explanation of symbols

10 Image sensor inspection socket (socket for electrical parts)
11 Image sensor (electrical parts)
13 Socket body
13b containment
14 Contact pin unit
15 Holder (Rotating member)
15c Pressed part
15d actuating pin
16 Contact pin
16a Contact pin body
16b Press-fit part
16c one end
16d other end
17 Cover (operation member)
17a opening
17b Tapered surface
17c Pressing part
17d cam surface
17e rack
19 Rotating axis
19a pinion
20 Spring
21 Spring
23,24 Link member
25 articulated shaft
26 Spring

Claims (5)

In an electrical component socket comprising a socket body in which an electrical component is accommodated, and a plurality of contact pins that electrically connect between terminals of the electrical component and the wiring board accommodated in the socket body,
The contact pin is provided so as to be rotatable around a rotation shaft provided at an intermediate portion in the longitudinal direction, and is rotated in one direction so that one end abuts against a terminal of the electrical component, The other end is in contact with the wiring board and is rotated in the other direction so that one end is separated from the electrical component and the other end is separated from the wiring board. Socket for electrical parts.   The plurality of contact pins are attached to a rotating member, and the rotating member and the plurality of contact pins constitute a contact pin unit, and the rotating member is connected to the socket body via the rotating shaft. The electrical component socket according to claim 1, wherein the electrical component socket is rotatably provided.   The contact pin has a long plate-like elastically deformable contact pin main body and a press-fit portion that protrudes from the contact pin main body and is press-fitted into the rotating member, and is rotated in one direction. Thus, one end is in contact with the electrical component, the other end is in contact with the wiring board, and is rotated in the other direction, whereby the one end is separated from the electrical component and the other end is The electrical component socket according to claim 2, wherein the electrical component socket is configured to be separated from the wiring board.   4. The electrical component socket according to claim 1, further comprising an urging unit that urges the contact pin to rotate in the one direction. 5.   An operation member is provided so as to be movable up and down with respect to the socket body, and the contact pin is rotated in the one direction via a rotation means by lowering the operation member. The electrical component socket according to any one of claims 1 to 4.

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