CN217180977U - Conductive double-sided adhesive surface resistance test fixture - Google Patents

Abstract

The utility model discloses a conductive double-sided sticky surface resistance test fixture, including insulating block, copper post and conductive double-sided sticky body, the insulating block all is connected through the screw with the copper post of its both sides, and conductive double-sided sticky body is located the below of copper post, the equal fixedly connected with terminal of back of the body side of copper post, the top and the bottom of terminal are equal array connection has the friction bulge, the top of terminal has seted up the wiring hole, the top of insulating block is equipped with the support column, and the weight has been cup jointed in the outside of support column, the inside at insulating block top is equipped with adjusting member; the utility model discloses resistance test fixture comprises insulating block, copper post and terminal, and has the protruding and two kinds of modes of working a telephone switchboard with resistance tester in hole of friction on the terminal to this electrically conductive two-sided body of gluing can directly place in the bottom of copper post, and increase and decrease the weight quantity on the support column according to actual conditions, thereby can stabilize, measure the electrically conductive two-sided surface resistance that glues effectively.

Description

Conductive double-sided adhesive surface resistance test fixture

Technical Field

The application relates to a cell-phone display module assembly field especially relates to a surface resistance test fixture is glued to electrically conductive two-sided.

Background

The FPC steel sheet reinforcement of the mobile phone display module needs to be connected to the ground wire of a mobile phone host through pasting conductive double-sided adhesive to realize grounding; the surface resistance of the conductive double-sided adhesive is an important index influencing the grounding performance, and therefore, when a new conductive double-sided adhesive is introduced into a test, the surface resistance of the conductive double-sided adhesive needs to be accurately measured.

However, the number of weights on the clamp cannot be increased or decreased according to actual conditions by using the clamp used in the current double-sided sticky surface resistance test, and the problems of insufficient contact and wire falling frequently occur in the wire connection aspect, so that the result of the double-sided sticky surface resistance test is influenced.

Disclosure of Invention

The utility model discloses the purpose is: the utility model provides a surface resistance test fixture is glued to electrically conductive two-sided, has solved the anchor clamps that use in the surface resistance test is glued to two-sided, can not increase and decrease the weight quantity on the anchor clamps according to actual conditions, and often can appear the problem that the contact is insufficient and the wiring drops in the aspect of the wiring to influence the problem that surface resistance test result is glued to two-sided.

The technical scheme of the utility model is that: the utility model provides a surface resistance test fixture is glued to electrically conductive two-sided, glues the body including insulating block, copper post and electrically conductive two-sided, the insulating block all is connected through the screw rather than the copper post of both sides, and electrically conductive two-sided glue the below that the body is located the copper post, the equal fixedly connected with terminal in the looks dorsal part of copper post, the equal array connection in top and the bottom of terminal has the friction arch, the wiring hole has been seted up at the top of terminal, the top of insulating block is equipped with the support column, and the weight has been cup jointed in the outside of support column, the inside at insulating block top is equipped with adjusting member, and the friction ring in the adjusting member is laminated with the outside of support column mutually to this electrically conductive two-sided glue the body can directly place the bottom at the copper post to weight quantity on the support column is increased and decreased according to actual conditions, thereby can stabilize, measure the surface resistance that electrically conductive two-sided glues effectively.

As the utility model provides a conductive double-sided surface resistance test fixture's a preferred embodiment, a set of second screw hole has been seted up to the equal symmetry in both sides of collets, a set of mounting hole corresponding with the second screw hole has been seted up to the equal symmetry in inside of copper post.

As the utility model provides a conductive two-sided surface resistance test fixture's a preferred embodiment, the screw thread that sets up on the second screw hole inner wall suits with the screw thread on the screw outer wall, and the screw passes mounting hole and threaded connection in the inside of second screw hole to this can be assembled the copper post in the both sides of insulating block.

As the utility model provides a conductive two-sided surface resistance test fixture that glues preferred embodiment, the terminal is kept away from the one end of copper post and is seted up first screw hole, and first screw hole is linked together with the wiring hole, the fastening bolt of the inside threaded connection of first screw hole extends to the inboard in wiring hole, and the electric wire can directly pass the wiring hole and connect fastening bolt for the electric wire just fastens and does not break away from with the copper post abundant contact, can not influence the test result because of contact failure like this.

As the utility model provides a preferred embodiment of electrically conductive two-sided surface resistance test fixture that glues, the interval between the copper post of insulating block both sides is 25-26 mm.

As the utility model provides a conductive two-sided surface resistance test fixture's an preferred embodiment, the through-hole has been seted up to the centre department of weight, and the external diameter specification of through-hole internal diameter's specification and support column suits to this can be convenient for increase and decrease the weight.

As the utility model provides a conductive two-sided surface resistance test fixture's a preferred embodiment, the inner chamber groove has been seted up at the top of collets, fixedly connected with supporting spring on the diapire of inner chamber inslot chamber, and supporting spring's top portion is connected with the bottom portion of support column, mutually supports the extension length of adjustable support column with adjusting member.

As the utility model provides a conductive two-sided surface resistance test fixture's a preferred embodiment, the circular chamber has been seted up to the inside at insulating block top, and circular chamber and inner chamber groove communicate mutually, a set of sliding tray has been seted up to the symmetry in the inner chamber in circular chamber, a set of adjustment tank has been seted up to the top symmetry of insulating block, and sliding tray and adjustment tank communicate mutually.

As the utility model provides a two-sided surface resistance test fixture that glues of electrically conductive preferred embodiment, the regulating element includes solid fixed ring, gu fixed ring's quantity is two, and gu fixed ring symmetrical arrangement in the inside of circular chamber, gu the equal fixedly connected with friction ring of fixed ring's the opposite side, and the inner wall of friction ring laminates with the outer wall of support column mutually, gu fixed ring's the equal fixedly connected with of the opposite side mutually suits with the sliding block of sliding tray, and sliding block slidable mounting is in the inside of sliding tray, and the regulating element is used for adjusting the height that the support column stretches out the outside.

As the utility model provides a two-sided surface resistance test fixture that glues of electrically conductive preferred embodiment, the regulating block is installed through the connecting block in the top of sliding block, and the regulating block passes the adjustment tank through the connecting block and is located the inboard of adjustment tank, fixedly connected with reset spring on the diapire of sliding tray inner chamber, and reset spring keep away from the one end on the sliding tray inner chamber diapire and be connected with the back tip of sliding block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses resistance test fixture comprises insulating block, copper post and terminal, and there are two kinds of modes of friction bulge and wiring hole and resistance tester wiring on the terminal, so that the conductive double-sided sticky body can be directly placed in the bottom of the copper post, and the number of weights on the support column can be increased or decreased according to actual conditions, thereby the surface resistance of the conductive double-sided sticky can be measured stably and effectively;

wherein, the electric wire can directly pass the wiring hole and connect the fastening bolt for the electric wire fully contacts and the tightening does not break away from with the copper post, can not influence the test result because of contact failure like this, and the friction is protruding when the terminal is cliied to the clip of resistance tester, increases the friction between clip and the terminal, prevents that the clip from droing or pressing from both sides inadequately, influences the problem of test result.

2. The utility model discloses an adjusting member that sets up is used for adjusting the height that the support column stretches out the outside, increases and decreases according to actual conditions because of what of weight quantity, just needs to adjust according to the quantity of weight this moment to avoid appearing that weight quantity is too much, the support column is shorter, and the support column is longer, the less electrically conductive two-sided problem of gluing the test data of influence of weight quantity.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the three-dimensional structure of the resistance testing fixture of the present invention;

FIG. 2 is a schematic view of the three-dimensional explosion structure of the resistance testing fixture of the present invention;

fig. 3 is a schematic view of a three-dimensional structure of the copper pillar of the present invention;

FIG. 4 is a schematic plan sectional view of the insulating block of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4;

fig. 6 is a schematic perspective view of an adjusting member according to the present invention;

wherein: 1. an insulating block; 2. a copper pillar; 3. a binding post; 4. a friction projection; 5. a wiring hole; 6. tightening the bolt; 7. the conductive double-sided adhesive body; 8. mounting holes; 9. a weight; 10. a first threaded hole; 11. a second threaded hole; 12. a screw; 13. a support pillar; 14. an adjustment member; 1401. a circular lumen; 1402. a sliding groove; 1403. an adjustment groove; 1404. a fixing ring; 1405. a friction ring; 1406. a slider; 1407. an adjusting block; 1408. a return spring; 15. an inner cavity groove; 16. supporting the spring.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions used in the examples may be further adjusted according to specific conditions, and the conditions used in the experiments are not specifically mentioned.

Example 1

As shown in fig. 1 to 3, a surface resistance test fixture is glued to electrically conductive two-sided, including insulating block 1, copper post 2 glues body 7 with electrically conductive two-sided, insulating block 1 all is connected through screw 12 with the copper post 2 of its both sides, and electrically conductive two-sided glue body 7 and be located the below of copper post 2, the equal fixedly connected with terminal 3 in looks dorsal part of copper post 2, the equal array connection in top and the bottom of terminal 3 has the friction arch 4, wiring hole 5 has been seted up at the top of terminal 3, the top of insulating block 1 is equipped with support column 13, and the weight 9 has been cup jointed in the outside of support column 13.

When the electric double-sided adhesive surface resistance is tested, the clamp is assembled, firstly, positive and negative test leads of a resistance tester are respectively connected into the two wiring holes 5, then, a fastening bolt 6 is screwed down, so that the test leads are fully contacted with the wiring terminal 3 and are not loosened, or positive and negative wiring clamps of the resistance tester are respectively clamped on the friction bulges 4 on the wiring terminal 3, and the wiring contact is good and is not loosened through the two wiring modes; contact the lower terminal surface of copper post 2 and test sample (electrically conductive two-sided body 7 that glues), will have the weight 9 of through-hole afterwards, pass support column 13, put insulating block 1's higher authority because weight 9 has certain weight, exert pressure to copper post 2 for copper post 2 fully contacts with test sample, promote the test precision, and how much of weight 9 quantity, can increase and decrease according to actual conditions, the switch-on resistance tester sets up the range, can stabilize test surface resistance.

Example 2

On the basis of the embodiment 1, optimization is performed, a group of second threaded holes 11 are symmetrically formed in both sides of the insulating block 1, and a group of mounting holes 8 corresponding to the second threaded holes 11 are symmetrically formed in the copper column 2; the screw thread that sets up on the second screw hole 11 inner wall suits with the screw thread on the screw 12 outer wall, and screw 12 passes mounting hole 8 and threaded connection is in the inside of second screw hole 11.

In the embodiment, a first threaded hole 10 is formed in one end, far away from the copper column 2, of the binding post 3, the first threaded hole 10 is communicated with the wiring hole 5, and a tightening bolt 6 in threaded connection inside the first threaded hole 10 extends to the inner side of the wiring hole 5; the distance between the copper columns 2 on the two sides of the insulating block 1 is 25-26 mm; a through hole is formed in the middle of the weight 9, and the specification of the inner diameter of the through hole is matched with the specification of the outer diameter of the support column 13.

In the utility model, the resistance test fixture is composed of an insulating block 1, a copper column 2 and a binding post 3, and the binding post 3 is provided with two modes of wiring with a resistance tester, namely a friction bulge 4 and a wiring hole 5, so that the conductive double-sided adhesive body 7 can be directly placed at the bottom of the copper column 2, and the number of weights 9 on the supporting column 13 is increased or decreased according to the actual situation, thereby stably and effectively measuring the surface resistance of the conductive double-sided adhesive;

wherein, the electric wire can directly pass wiring hole 5 and connect fastening bolt 6 for the electric wire does not break away from with copper post 2 full contact and the tightening, can not influence the test result because of contact failure like this, and friction arch 4 is when the clip of resistance tester cliies terminal 3, increases the friction between clip and the terminal 3, prevents that the clip from droing or pressing from both sides inadequately, influences the problem of test result.

Example 3

As a further optimization of embodiment 1 or 2, as shown in fig. 4 to 6, the inside of the top of the insulation block 1 is provided with an adjusting member 14, and a friction ring 1405 in the adjusting member 14 is attached to the outside of the supporting column 13; an inner cavity groove 15 is formed in the top of the insulating block 1, a supporting spring 16 is fixedly connected to the bottom wall of an inner cavity of the inner cavity groove 15, and the top end of the supporting spring 16 is connected with the bottom end of the supporting column 13; circular chamber 1401 has been seted up to the inside at insulating block 1 top, and circular chamber 1401 is linked together with inner chamber groove 15, and a set of sliding tray 1402 has been seted up to symmetry in the inner chamber of circular chamber 1401, and a set of adjustment tank 1403 has been seted up to the top symmetry of insulating block 1, and sliding tray 1402 is linked together with adjustment tank 1403.

The utility model discloses in, be used for adjusting the height that support column 13 stretches out the outside through the regulating member 14 that sets up, increase and decrease according to actual conditions because of what of weight 9 quantity, just need adjust according to the quantity of weight 9 this moment to avoid appearing weight 9 in large quantity, support column 13 is shorter, and support column 13 is longer, weight 9 in small quantity influences the electrically conductive two-sided problem of gluing the test data.

The adjusting member 14 of the present embodiment includes two fixing rings 1404, the fixing rings 1404 are symmetrically disposed inside the circular cavity 1401, opposite sides of the fixing rings 1404 are fixedly connected with friction rings 1405, inner walls of the friction rings 1405 are attached to outer walls of the supporting pillars 13, opposite sides of the fixing rings 1404 are fixedly connected with sliding blocks 1406 corresponding to the sliding grooves 1402, and the sliding blocks 1406 are slidably mounted inside the sliding grooves 1402; an adjusting block 1407 is mounted on the top of the sliding block 1406 through a connecting block, the adjusting block 1407 passes through the adjusting groove 1403 through the connecting block and is located inside the adjusting groove 1403, a return spring 1408 is fixedly connected to the bottom wall of the inner cavity of the sliding groove 1402, and one end of the return spring 1408, which is far away from the bottom wall of the inner cavity of the sliding groove 1402, is connected to the rear end of the sliding block 1406.

In this embodiment, if the extension length of the supporting column 13 needs to be adjusted, the adjusting block 1407 can be pushed to the opposite side, the connecting block at the lower end of the adjusting block 1407 moves the sliding block 1406 to the inner side of the sliding groove 1402, the fixing ring 1404 and the friction ring 1405 are separated from the outer wall of the supporting column 13, at this time, the fixing force of the supporting column 13 disappears, the supporting spring 16 supports the supporting column 13 upward, and the positioning can be performed according to the number of the weights 9; when the adjustment is finished, the adjusting block 1407 is released, the return spring 1408 pushes the sliding block 1406 towards the opposite side, and the fixing ring 1404 and the friction ring 1405 embrace the outer side of the supporting column 13 for fixing; in addition, the friction ring 1405 is used to enhance the friction force between the adjustment member 14 and the support column 13, ensuring the positioning fixing effect of the adjustment member 14.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims (10)

1. The utility model provides a surface resistance test fixture is glued to electrically conductive two-sided, includes insulating block (1), copper post (2) and electrically conductive two-sided glue body (7), its characterized in that: insulating block (1) all is connected through screw (12) rather than copper post (2) of both sides, and electrically conducts two-sided gluing body (7) and is located the below of copper post (2), the equal fixedly connected with terminal (3) of the back of the body side in the opposite directions of copper post (2), the equal array connection in top and the bottom of terminal (3) has friction arch (4), wiring hole (5) have been seted up at the top of terminal (3), the top of insulating block (1) is equipped with support column (13), and weight (9) have been cup jointed in the outside of support column (13), the inside at insulating block (1) top is equipped with adjusting member (14), and friction ring (1405) in adjusting member (14) is laminated mutually with the outside of support column (13).

2. The clamp for testing the resistance of the conductive double-sided adhesive surface according to claim 1, wherein a group of second threaded holes (11) are symmetrically formed in both sides of the insulating block (1), and a group of mounting holes (8) corresponding to the second threaded holes (11) are symmetrically formed in the copper pillar (2).

3. The clamp for testing the resistance of the conductive double-sided sticky surface according to claim 2, wherein the inner wall of the second threaded hole (11) is provided with threads corresponding to the threads on the outer wall of the screw (12), and the screw (12) passes through the mounting hole (8) and is in threaded connection with the inside of the second threaded hole (11).

4. The clamp for testing the resistance of the conductive double-sided sticky surface as claimed in claim 1, wherein a first threaded hole (10) is formed in one end of the binding post (3) far away from the copper pillar (2), the first threaded hole (10) is communicated with the wiring hole (5), and a tightening bolt (6) which is in threaded connection with the inside of the first threaded hole (10) extends to the inner side of the wiring hole (5).

5. The clamp for testing the resistance of the conductive double-sided sticky surface according to claim 1, wherein the distance between the copper columns (2) on two sides of the insulating block (1) is 25-26 mm.

6. The clamp for testing the resistance of the conductive double-sided adhesive surface as claimed in claim 1, wherein a through hole is formed in the middle of the weight (9), and the specification of the inner diameter of the through hole is adapted to the specification of the outer diameter of the support column (13).

7. The clamp for testing the resistance of the conductive double-sided sticky surface according to claim 1, wherein an inner cavity groove (15) is formed in the top of the insulating block (1), a supporting spring (16) is fixedly connected to the bottom wall of an inner cavity of the inner cavity groove (15), and the top end of the supporting spring (16) is connected with the bottom end of the supporting column (13).

8. The clamp for testing the resistance of the conductive double-sided adhesive surface according to claim 7, wherein a circular cavity (1401) is formed in the top of the insulating block (1), the circular cavity (1401) is communicated with the inner cavity groove (15), a set of sliding grooves (1402) are symmetrically formed in the inner cavity of the circular cavity (1401), a set of adjusting grooves (1403) are symmetrically formed in the top of the insulating block (1), and the sliding grooves (1402) are communicated with the adjusting grooves (1403).

9. The clamp for testing the resistance of the conductive double-sided sticky surface according to claim 8, wherein the adjusting member (14) comprises two fixing rings (1404), the two fixing rings (1404) are symmetrically arranged inside the circular cavity (1401), friction rings (1405) are fixedly connected to opposite sides of the fixing rings (1404), inner walls of the friction rings (1405) are attached to outer walls of the supporting columns (13), sliding blocks (1406) corresponding to the sliding grooves (1402) are fixedly connected to opposite sides of the fixing rings (1404), and the sliding blocks (1406) are slidably mounted inside the sliding grooves (1402).

10. The clamp for testing the resistance of the conductive double-sided sticky surface according to claim 9, wherein the top of the sliding block (1406) is provided with an adjusting block (1407) through a connecting block, the adjusting block (1407) passes through the adjusting groove (1403) through the connecting block and is positioned inside the adjusting groove (1403), the bottom wall of the inner cavity of the sliding groove (1402) is fixedly connected with a return spring (1408), and one end of the return spring (1408) far away from the bottom wall of the inner cavity of the sliding groove (1402) is connected with the rear end of the sliding block (1406).

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