KR101911749B1 - Socket - Google Patents

Abstract

The present invention relates to a socket and, more specifically, relates to a socket capable of simplifying the combination of a probe pin and short-circuiting a contact point clearly. The socket of the present invention includes: a pin block base including a plate placement part installed on a side of the bottom, and a first through hole formed in a vertical direction to be connected to the plate placement part; a floating plate inserted into the first through hole of the pin block base, and including a support slot into which a probe pin is inserted; a middle plate combined with the plate placement part of the pin block base to support the bottom of the floating plate, and including a second through hole formed in a vertical direction; a pin guide block inserted into the second through hole of the middle plate, and including a guide slot into which the probe pin is inserted; and a lower plate combined with the bottom of the pin block base to support the pin guide block. According to the present invention, when the floating plate is moved up and down, a connector in the upper part is induced to make contact with the probe pin on an exact position, and thus, the present invention is capable of increasing the probability of contact while reducing damage risk, and enabling a pressed floating plate to return to its original state accurately on a predetermined position.

Description

Socket {SOCKET}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a socket, and more particularly, to a socket for facilitating connection of a probe pin and short-circuiting with a contact.

Generally, in an electronic component module such as a camera panel in which a microelectronic circuit is formed by high density integration, a probe pin socket including a probe pin is used to test whether each electronic circuit is normal or not.

That is, in order to input or output an electrical signal to or from terminals having fine pitches, a probe pin provided in the socket is used to conduct a conduction test and an operation characteristic test by being connected to a main substrate provided in the electronic component module.

In such a conventional socket, the position of the probe pin coupled to the slit is shifted up and down, the contact ratio of the contact with the connector is reduced, the contact resistance is increased, and there is a risk of breakage and the contact reliability is deteriorated.

Document 1: Japanese Patent Laid-Open No. 2005-203139

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and it is an object of the present invention to provide a connector and a probe pin for connecting and disconnecting an upper connector and a probe pin, .

It is another object of the present invention to ensure that the returning of the pressed floating plate to an exact position is correct.

According to an embodiment of the present invention, there is provided a socket comprising: a pin block base having a plate seating portion at a lower end thereof and having a first through hole vertically penetrating the plate seating portion; A floating plate fitted to the first through hole of the pin block base and having a support slot for supporting the probe pin; A middle plate coupled to the plate seating portion of the pin block base to support the lower end of the floating plate and having a second through hole vertically penetrating therethrough; A pin guide block fitted to the second through hole of the middle plate and having a guide slot for fitting the probe pin; And a lower plate coupled to a lower portion of the pin block base to support the pin guide block.

According to an embodiment of the present invention, the outer side portion of the floating plate is formed with an outer surface inclined portion having a predetermined angle so as to be gradually widened toward the lower end portion, and the first through- And an inner surface inclined portion having an angle to be brought into contact with the portion is formed.

According to an embodiment of the present invention, the angle of the outer surface inclination part of the floating plate and the inner surface inclination part of the first through hole of the pin block base is set to an angle (?) Having a range of 45 deg. And the inclination degree along the slope.

According to an embodiment of the present invention, a gap (d1) of 0.05 mm to 0.15 mm is provided between the inner surface through hole of the first through hole of the pin block base and the outer surface sliding portion of the floating plate.

According to an embodiment of the present invention, an elastic body is fitted between the floating plate and the middle plate, so that even when the floating plate is pressed, the elastic plate works to return to the original position.

According to an embodiment of the present invention, the guide slots of the pin guide block are formed on both sides of the partition formed in the longitudinal direction.

According to an embodiment of the present invention, fitting grooves are formed at both ends in the longitudinal direction of the pin guide block, and fitting protrusions are formed at the lower end of the middle plate to be fitted into the fitting grooves of the pin guide block .

According to an embodiment of the present invention, the lower plate is formed with a guide block receiving groove for receiving and supporting the pin guide block, and a pin operating groove is formed in the guide block receiving groove such that the lower end contact of the probe pin is exposed. And is formed to pass through.

In the present invention, when the floating plate is vertically operated, the upper connector and the probe pin are brought into contact with each other at precise positions, thereby increasing the probability of contact and reducing the risk of breakage.

In addition, the present invention has the effect that the original return of the pressed floating plate can be accurately performed at a certain position.

1 is a plan view of a pre-focus auto socket of a camera module according to an embodiment of the present invention;
2 and 3 are explanatory views of an example of disassembling a pre-focus auto socket of a camera module according to an embodiment of the present invention
4 is a partial view showing a configuration of a side pin block and a front pin block in a connection unit of a pre-focus auto socket of a camera module according to an embodiment of the present invention.
5 is a partial view showing a state in which the side pin block and the front pin block are separated from the connection unit of the pre-focus auto socket of the camera module according to the embodiment of the present invention
6 is an exemplary view showing a bottom surface of an elastic contact bar and a protruding elastic part to be coupled to a fixed panel in a pre-focus auto socket of a camera module according to an embodiment of the present invention
7 is an enlarged view of a side pin and a front pin in a pre-focus auto socket of a camera module according to an embodiment of the present invention.
8 is an operation example showing a state in which a pre-focus auto socket of a camera module operates to inspect a camera module according to an embodiment of the present invention

The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the text. It should be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprising" or "having ", and the like, are intended to specify the presence of stated features, integers, steps, operations, elements, parts, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be interpreted as ideal or overly formal in meaning unless expressly defined in the present application Do not.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

The socket S according to an embodiment of the present invention may include a pin block base 100 and a floating plate 200 and a middle plate 300 and a pin guide lock 400 and a lower plate 500 have.

The pin block base 100 is provided such that the plate seating portion 110 has a predetermined width and depth on the lower end side portion and the first through hole 120 is formed so as to communicate with the plate seating portion 110 do.

The plate seating portion 110 is formed to open to one side and the support groove 112 is formed to communicate with the other side. The plate fastening part 110 may be provided with a first fastening part 102 and the pin block base 100 may be provided with a second fastening part 104 at a lower end thereof.

It is preferable that the first through hole 120 is formed with an inner surface through hole 121 at an upper end portion and an inner surface inclined portion 122 having a trapezoidal shape in which the adhesion width becomes wider toward the lower end portion. The inner surface inclined portion 122 preferably has an inclination corresponding to an angle? Having a range of 45 °???

The floating plate 200 has a support slot 210 through which the probe pin 600 is fastened. In the lower portion of the support slot 210, a floating groove 220 communicating with the support slot 210 is recessed with a predetermined depth and width.

The upper portion of the outer side of the floating plate 200 is formed with an outer sliding portion 221 which is inserted into the inner sliding hole 121 of the first through hole 120 to be fittable, And a trapezoidal outer inclined portion 222 having a width gradually wider toward the lower end is formed so as to be in contact with the inner inclined portion 122 at the side portion.

At this time, it is preferable to provide a predetermined spacing d1 between the inner surface through hole 121 formed in the first through hole 120 of the pin block base 100 and the outer surface sliding portion 221 of the floating plate 200 Do. The sliding distance d1 of the floating plate 200 in the range of 0.05 mm to 0.15 mm was the most smooth and accurate operation, and more preferably 0.10 mm.

The outer surface inclined portion 222 of the floating plate 200 is also inclined at an angle? Having a range of 45 deg.?? 50 relative to the vertical surface, like the inner surface inclination portion 122 of the pin block base 100 And it plays a role of controlling the return to the correct position to be good during the up-and-down sliding operation of the floating plate 200.

The following table shows whether the up and down sliding of the floating plate 200 in the up and down operation is abnormal or not and whether it returns to the correct position. To this end, the angle between the inner surface inclined portion 122 of the pin block base 100 and the outer surface inclined portion 222 of the floating plate 200 is changed with respect to the vertical surface while the inner surface through hole 121 and the outer surface sliding portion 221 The sliding operation of the floating plate 200 was performed 1,000 times each. The exact contact of the floating plate 200 and the return to the correct position were measured to record the number of malfunctions. At this time, the cylinder for operating the floating plate 200 was set to operate at a constant speed.

(Unit: times) division Spacing (mm) 0.01 0.03 0.05 0.08 0.10 0.12 0.15 0.18 0.20

slope
(°) 30 5 4 3 4 4 3 4 4 5 35 4 2 3 3 2 4 3 3 5 40 4 3 3 One 2 3 3 2 4 45 2 2 One 0 One 0 0 2 4 50 2 One 0 One One 0 One 3 3 55 5 3 3 2 4 5 4 4 5

The angle between the inner inclined portion 122 of the pin block base 100 and the outer inclined portion 222 of the floating plate 200 is changed with respect to the vertical plane as shown in Table 1 while the angle between the inner surface through hole 121 and the outer surface The operating state of the floating plate 200 was measured while changing the spacing between the sliding portions 221.

As a result, it was found that the gap between the inner surface through hole 121 and the outer surface sliding portion 221 was the smallest between 0.05 mm and 015 mm. However, when the spacing distance between the inner surface through hole 121 and the outer surface sliding portion 221 is a spacing distance d1 of less than 0.05 mm, the floating plate 200 is spaced apart from the first through hole 120 of the pin block base 100 ), And the operation is unnatural. If the distance is 0.15 mm or more, the floating plate 200, which is vertically movable, is not always positioned at a constant position because the interval is too wide, and the position of the floating plate 200 is changed, .

In addition, when the inclination angle of the inner surface inclined portion 122 of the pin block base 100 and the outer surface inclined portion 222 of the floating plate 200 is between 45 degrees and 50 degrees with respect to the vertical surface, the occurrence of malfunctions is the smallest. However, when the inclination angle is less than 45 degrees with respect to the vertical plane, the floating plate 200, which is vertically slidably operated, is caught by the first through hole 110 of the pin block base 100, , 50 ° or more, there is no problem in operation, but the height of the pin block is too high, the height of the equipment must be increased abnormally, and the contact operation is difficult.

It is preferable that a first reference band 212 is protruded on both sides of the upper surface of the floating plate 200 in the longitudinal direction of the support slot 210 and a second reference band 214 is formed on both sides in the width direction. The lower end of the elastic body 250 may be formed with an elastic body supporting portion 230 for supporting one side of the elastic body 250 and the elastic body supporting portion 230 may have a groove or protrusion.

The middle plate 300 is vertically formed with a second through hole 310 through which a support base 320 fastened to the support groove 112 of the pin block base 100 can be extended laterally . A middle edge portion 330 for fitting the floating groove 220 of the floating plate 200 along the edge of the second through hole 310 may be protruded upward.

The upper surface of the middle plate 300 may have an elastic support portion 340 for supporting the other side of the elastic body 250 in the form of a groove or protrusion. In addition, a middle groove 350 may be formed at the lower end to communicate with the second through hole 310, and a third fastening part 302 may be provided.

The pin guide block 400 is formed with guide slots 410 through which the probe pins 600 are fastened and guided at fine intervals. At this time, the guide slots 410 may be formed on both sides of the partition plate 420 formed in the longitudinal direction at the center. The pin guide block 400 may have a bent end 430 so that the width of the pin guide block 400 is narrower than the width of the lower portion of the pin guide block 400. The lower end of the lower end second coupling portion 302 The fitting groove 440 is formed.

The lower plate 500 is firmly fastened to the lower portion of the pin block base 100 to support the lower end of the pin guide block 400. For this purpose, a guide block receiving groove 510 for inserting the lower end of the pin guide block 400 may be concave on the upper surface of the lower plate 500. It is also preferable that a pin operating groove 520 corresponding to the guide slot 410 is formed so that the lower end contact of the probe pin 600 fastened to the pin guide block 400 is exposed.

Hereinafter, the assembling procedure of the socket S of the present invention will be described.

First, the floating plate 200 is fastened to the first through hole 120 of the pin block base 100. The outer sliding portion 221 of the floating plate 200 is inserted into the through hole 120 of the first through hole 120, And the outer surface inclined portion 222 is engaged with the inner surface inclined portion 122 so as to be fitted.

After the elastic body is positioned on the elastic supporting portion 230 formed at the lower end of the floating plate 200, the middle plate 300 is inserted through the plate seating portion 110 of the pin block base 100, ) To support the lower part. The elastic body 250 supported at the lower end of the floating plate 200 is supported between the elastic supporting portions 340 of the middle plate 300.

The middle plate 300 of the middle plate 300 is seated in the floating groove 220 of the floating plate 200 so that the middle plate 300 does not move, And is positioned in the support groove 112 of the seating part 110. [ The middle plate 300 is tightly fastened to the first fastening part 102 of the plate seating part 110 by fastening means such as a bolt.

The pin guide block 400 is inserted and fastened through the middle groove 350 of the middle plate 300. The upper end is located on the side of the second through hole 310 with respect to the bent end 430, And is positioned on the groove 350 side. Further, the fitting groove 440 of the pin guide block 400 is fitted into the lower third coupling portion 302 of the middle plate 300.

The probe pins 600 are fastened to the respective guide slots 410 formed at the minute intervals on both sides of the partition plate 420 of the pin guide block 400. When the fastening of the probe pins 600 is completed, The guide block receiving groove 510 of the lower plate 500 of the middle plate 300 is positioned on the lower surface of the lower plate 500 of the pin block base 100 and fastened to the second fastening portion 104 of the pin block base 100 by fastening means such as bolts do. At this time, the lower end contact of the probe pin 600 fastened to the pin guide block 400 is partially exposed through the pin operation groove 520 of the lower plate 500.

In the socket S of the present invention as described above, a separate contact object is lowered and the floating object 200 is pressed, and the contact object is easily connected to the upper contact of the probe pin 600, .

When the contact object rises again, the floating plate 200 is lifted by the elastic force of the elastic body 250, and the floating plate 200 is lifted up by the outer surface inclined portion 222 contacting the inner surface inclined portion 122 The outer sliding portion 221 of the floating plate 200 is accurately positioned at the center of the inner surface through hole 121 of the pin block base 100. [

While the present invention has been described in connection with what is presently considered to be practical and exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

100: pin block base 110: plate seating part
112: support groove 120: first through hole
121: inner through hole 122: inner surface inclined portion
200: Floating plate 210: Support slot
220: floating groove 221: outer sliding portion
222: outer inclined portion 250: elastic body
300: Middle plate 310: Second through hole
320: support frame 330: middle frame part
400: pin guide block 410: guide slot
420: compartment base 500: bottom plate
510: guide block support groove 520: pin operating groove

Claims (8)

A pin block base provided with a plate seating portion at a lower one side portion and having a first through hole vertically penetrated to communicate with the plate seating portion;
A supporting slot for fitting the probe pin into the first through hole of the pin block base and having an outer inclined portion having a predetermined angle so that the outer side gradually widens toward the lower end;
A middle plate coupled to the plate seating portion of the pin block base to support the lower end of the floating plate and having a second through hole vertically penetrating therethrough;
A pin guide block fitted to the second through hole of the middle plate and having a guide slot for fitting the probe pin; And
And a lower plate coupled to a lower portion of the pin block base to support the pin guide block,
Wherein the first through hole of the pin block base is formed with an inner surface inclined portion having an angle with which the outer surface of the floating plate is in contact with the outer surface inclined portion of the floating plate and between the inner surface through hole of the first through hole and the outer surface sliding portion of the floating plate, mm apart from each other.
The method according to claim 1,
Wherein an angle between the outer surface inclined portion and the inner surface inclination portion has an inclination corresponding to an angle? Having a range of 45 deg.??
3. The method according to claim 1 or 2,
And an elastic body is fitted between the floating plate and the middle plate to operate to return to the original position by the elastic body even if the floating plate is pressed.
3. The method according to claim 1 or 2,
Wherein a plurality of guide slots of the pin guide block are formed on both sides of a partition formed in the longitudinal direction.
3. The method according to claim 1 or 2,
Wherein fitting grooves are respectively formed at both longitudinal ends of the pin guide block,
Wherein a bottom surface of the middle plate is formed with a fitting protrusion which is fitted into a fitting groove of the pin guide block.
3. The method according to claim 1 or 2,
Wherein the lower plate is formed with a guide block receiving groove for receiving and supporting the pin guide block, and a pin operating groove is formed through the guide block receiving groove such that the lower end contact of the probe pin is exposed. delete delete

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