Probe circuit board conduction test tool

By designing a probe circuit board continuity test fixture, and utilizing a structure of vertical holes, T-rings, sliding cylinders, and sliding disks, the problem of inconvenient operation of positioning pins in circuit board continuity testing was solved, achieving stable placement and convenient handling of the circuit board, and improving testing efficiency.

CN223664730UActive Publication Date: 2025-12-12TONGXIANG ZHONGMAO ELECTRIC CO LTD
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Patent Information

Application Number
CN202422806096.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-12-12
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

The existing circuit board continuity test requires the installation of positioning pins, which is inconvenient and requires disassembly after the test, affecting efficiency.

Method used

Design a probe circuit board continuity test fixture, which adopts a structure of vertical hole, T-ring, slide cylinder, conical column and slide plate. Through the spring support between the slide cylinder and the slide plate and the screw adjustment, the circuit board can be stably placed and easily picked up.

Benefits of technology

It enables convenient placement and retrieval of circuit boards, simplifies the use of the limiting structure, and improves testing efficiency and ease of operation.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223664730U_ABST
    Figure CN223664730U_ABST
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Abstract

The utility model relates to the technical field of circuit board testing tools, in particular to a probe circuit board conduction testing tool which comprises a base, a plurality of groups of vertical holes are formed in the surface of the top end of the base, T-shaped rings used for supporting are inserted in the vertical holes, and bottom rings used for fastening are installed at the ends, located on the bottom side of the base, of the T-shaped rings in a screwed mode. A sliding cylinder used for adjustment is slidably installed in the T-shaped ring, conical columns are integrally constructed on the surface of the top end of the sliding cylinder, and a circuit board body used for conduction testing is clamped between the multiple sets of conical columns; when the conduction test tool used by the probe circuit board is used, the circuit board body can be conveniently placed on the surface of the base, and the holes preset in the surface of the circuit board body can be conveniently and directly inserted into the conical columns on the surface of the sliding cylinder, so that subsequent conduction test on the circuit board body is facilitated, taking is simple, and a limiting structure does not need to be additionally arranged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board test frock technical field, concretely relates to a kind of probe circuit board on-off test frock. BACKGROUND

[0002] The name of circuit board has: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum substrate, high-frequency board, thick copper plate, impedance board, PCB, super-thin circuit board, super-thin circuit board, printing (copper etching technology) circuit board etc.;Circuit board miniaturizes, intuition, for the batch production and optimization of fixed circuit with electrical appliance layout important role;Patent number CN202120175993.1 discloses a kind of PCB circuit board element test frock, test is carried out to entire PCB circuit board by design, solve the problem that PCB circuit board can be damaged in the process of installing plug-in component, after all components are installed, complete test is carried out to PCB circuit board, whether each component is damaged or not up to actual calibration value, guarantee product quality;But when circuit board is placed on the surface of test frock and carries out on-off test, positioning pin needs to be installed on the surface of circuit board, to place circuit board on the surface of jig and carry out test, positioning pin also needs to be disassembled after test, it is not convenient to operate.For this reason, we propose a kind of probe circuit board on-off test frock. UTILITY MODEL CONTENTS

[0003] In view of the problems in the prior art, the utility model provides a kind of probe circuit board on-off test frock.

[0004] The technical scheme adopted by the utility model to solve its technical problems is a kind of probe circuit board on-off test frock, including base, the vertical hole is set on the top surface of base, and there are multiple groups of vertical holes, the T-shaped ring for supporting is inserted in the vertical hole, and the bottom ring for fastening is screw-mounted at one end of the T-shaped ring located at the bottom side of base, the sliding cylinder for adjusting is slidably installed in the T-shaped ring, and the conical column is integrally structured on the top surface of sliding cylinder, the circuit board body for on-off test is clamped between multiple groups of conical columns, sliding disc is slidably installed in the sliding cylinder, and spring for buffering is assembled between sliding disc and sliding cylinder;

[0005] The ring cover for limiting is screw-mounted on the bottom end surface of T-shaped ring, and the T-shaped cylinder for supporting is fitted and installed in the ring cover, the screw rod rotationally connected with sliding disc is screw-mounted in the T-shaped cylinder, the arc-shaped groove that is fitted with ring cover is set on the outer circumferential surface of T-shaped cylinder, and there are multiple groups of arc-shaped grooves.

[0006] By adopting the technical scheme, when the on-off test tool used for the probe circuit board is used, the circuit board body can be conveniently placed on the surface of the base, and the preset holes on the surface of the circuit board body are conveniently inserted between the conical columns on the surface of the sliding cylinder, so that subsequent on-off test is facilitated, and the circuit board body is simple to take and does not need to be additionally provided with a limiting structure.

[0007] When the circuit board body is placed on the surface of the base, the spring between the sliding cylinder and the sliding disc conveniently elastically supports the sliding cylinder, conveniently buffers the circuit board body between the conical columns, enables the circuit board body to be more stably placed on the surface of the conical column, simultaneously enables the rotating screw to be screwed with the T-shaped cylinder and to push the sliding disc in the sliding cylinder, enables the sliding disc to drive the sliding cylinder to ascend and move out of the T-shaped ring, conveniently adjusts the distance between the circuit board body and the base, and after the test of the circuit board body is completed, the screw can be directly pushed, the T-shaped cylinder and the ring cover are driven to slide relative to each other by the screw, the sliding cylinder and the conical column are conveniently driven to ascend and descend, and the conical column drives the circuit board body to be lifted, so that the circuit board body is conveniently taken by the worker.

[0008] Specifically, the top end surface of the sliding cylinder is bonded with the sponge ring located at the outer periphery of the conical column.

[0009] By adopting the technical scheme, the sponge ring has a certain elasticity, and the stability when the sliding sleeve and the conical column are matched with the circuit board body is improved.

[0010] Specifically, the opposite surfaces of the sliding disc and the sliding cylinder are integrally provided with the vertical rings matched with each other.

[0011] By adopting the technical scheme, the two groups of vertical rings are matched with each other and are connected in a sliding mode, so that the spring is protected, and the sliding disc and the sliding cylinder can operate more stably.

[0012] Specifically, the outer periphery of the T-shaped cylinder is screw-mounted with the rotating rod body for limiting.

[0013] By adopting the technical scheme, the rotating rod body is screw-mounted on the outer periphery of the T-shaped cylinder, so that the T-shaped cylinder and the ring cover cannot be separated from each other when they slide relative to each other.

[0014] Specifically, the bottom end surface of the screw is integrally provided with the ring body for rotation.

[0015] By adopting the technical scheme, the ring body makes the screw more convenient to rotate and lift, so that the screw is conveniently controlled.

[0016] Specifically, the sliding disc and the sliding cylinder are assembled with the shock absorber located at the inner periphery of the spring.

[0017] Through adoption of the above technical scheme, the shock absorber is convenient to cooperate with the spring, the stability of the spring during operation is improved, and the slide cylinder and the conical column can be more stably matched with the circuit board body.

[0018] Compared with the prior art, the utility model has the advantages of:

[0019] 1、The technical scheme of the present application is designed by vertical hole, T-shaped ring, bottom ring, slide cylinder, conical column and circuit board body. When the on-off test tool used for the probe circuit board is used, the circuit board body can be conveniently placed on the surface of the base, and the pre-set hole on the surface of the circuit board body is convenient for direct interinsertion with the conical column on the surface of the slide cylinder, thereby facilitating subsequent on-off test, and the circuit board body is simple to take and does not need to be additionally equipped with a limiting structure.

[0020] 2、The technical scheme of the present application is designed by ring cover, T-shaped cylinder, screw rod, sliding disc, arc-shaped groove and spring. When the circuit board body is placed on the surface of the base, the spring between the slide cylinder and the sliding disc is convenient for elastically supporting the slide cylinder, the circuit board body between the conical columns is conveniently buffered, the circuit board body can be more stably placed on the surface of the conical column, the screw rod can be rotated, the screw rod and the T-shaped cylinder are inter-screwed and push the sliding disc in the slide cylinder, the sliding disc drives the slide cylinder to rise and move out of the T-shaped ring, the distance between the circuit board body and the base is conveniently adjusted, and after the test of the circuit board body is completed, the screw rod can be directly pushed, the screw rod drives the T-shaped cylinder and the ring cover to slide relative to each other, the slide cylinder and the conical column are directly lifted and lowered, and the conical column drives the circuit board body to be lifted, thereby facilitating the worker to take the circuit board body. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model will be further described below in combination with the drawings and examples.

[0022] Figure 1 It is an isometric view of the utility model;

[0023] Figure 2 It is an explosion view of the connecting structure between the vertical hole and the screw rod of the utility model;

[0024] Figure 3 It is a plane schematic view of the connecting structure between the vertical hole and the screw rod of the utility model;

[0025] In the drawing: 1, base; 2, vertical hole; 3, T-shaped ring; 4, bottom ring; 5, slide cylinder; 6, conical column; 7, circuit board body; 8, ring cover; 9, T-shaped cylinder; 10, screw rod; 11, sliding disc; 12, spring; 13, shock absorber; 14, vertical ring; 15, ring body; 16, rotating rod body; 17, sponge ring; 18, arc-shaped groove. DETAILED DESCRIPTION

[0026] In order to make the technical means, creation characteristics, achieve the purpose and function of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0027] Please refer to Figures 1-3 The utility model discloses a kind of probe circuit board conduction test tool, including base 1, base 1 top surface is provided with vertical hole 2, and vertical hole 2 has multiple groups, T-shaped ring 3 for supporting is inserted in vertical hole 2, and T-shaped ring 3 is located at the end of base 1 bottom side and is screw-mounted for fastening bottom ring 4, T-shaped ring 3 is slidably installed for adjusting sliding cylinder 5 in, and sliding cylinder 5 top surface is integrally structured with conical column 6, multiple groups of conical column 6 are connected for conduction test circuit board body 7 between, sliding disc 11 is slidably installed in sliding cylinder 5, and spring 12 for buffering is equipped between sliding disc 11 and sliding cylinder 5;T-shaped ring 3 bottom surface is screw-mounted for limiting ring cover 8, and T-shaped cylinder 9 for supporting is fitted and installed in ring cover 8, screw rod 10 that is rotationally connected with sliding disc 11 is screw-mounted in T-shaped cylinder 9, arc slot 18 that is consistent with ring cover 8 is provided on the outer circumferential surface of T-shaped cylinder 9, and arc slot 18 has multiple groups.

[0028] When using, when using the conduction test tool used to probe circuit board, circuit board body 7 can be conveniently placed on the surface of base 1, and the pre-set hole on the surface of circuit board body 7 is conveniently inserted between the conical column 6 on the surface of sliding cylinder 5, so that subsequent conduction test is facilitated, and it is simple to take without additional limiting structure;

[0029] When placing circuit board body 7 on the surface of base 1, spring 12 between sliding cylinder 5 and sliding disc 11 is conveniently elastically supported for sliding cylinder 5, which is convenient for buffering circuit board body 7 between conical column 6, so that circuit board body 7 can be more stably placed on the surface of conical column 6, and screw rod 10 can be rotated, so that screw rod 10 and T-shaped cylinder 9 are screw-connected and sliding disc 11 in sliding cylinder 5 is pushed, so that sliding disc 11 drives sliding cylinder 5 to rise and move out of T-shaped ring 3, which is convenient for adjusting the distance between circuit board body 7 and base 1, and after the test of circuit board body 7 is completed, screw rod 10 can be directly pushed, so that screw rod 10 drives T-shaped cylinder 9 and ring cover 8 to slide relative to each other, which is convenient for driving sliding cylinder 5 and conical column 6 to directly rise and fall, and circuit board body 7 is driven by conical column 6 to be lifted, which is convenient for workers to take.

[0030] As Figure 1 , Figure 2 and Figure 3 indicated, sponge ring 17 located on the periphery of conical column 6 is bonded to the top surface of sliding cylinder 5.

[0031] In use, the sponge ring 17 has a certain elasticity, facilitating to improve the stability when the sliding sleeve and the conical column 6 and the circuit board body 7 mutually fit.

[0032] As shown in Figure 3 , the sliding disc 11 and the sliding cylinder 5 opposite one side are integrally configured with the mutually fitting vertical ring 14.

[0033] In use, the two groups of vertical ring 14 mutually fit and slide, facilitating to protect the spring 12, so that the sliding disc 11 and the sliding cylinder 5 can more stably operate.

[0034] As shown in Figure 3 , the T-shaped cylinder 9 outer periphery is screw-mounted with the rotary rod body 16 for limiting.

[0035] In use, the rotary rod body 16 is screw-mounted on the T-shaped cylinder 9 outer periphery, so that the T-shaped cylinder 9 and the ring cover 8 do not appear mutually separated when sliding.

[0036] As shown in Figure 2 and Figure 3 , the screw rod 10 bottom end surface is integrally configured with the ring body 15 for rotation.

[0037] In use, the ring body 15 makes the screw rod 10 rotate and pull up more convenient, so as to facilitate the control of the screw rod 10.

[0038] As shown in Figure 3 , the sliding disc 11 and the sliding cylinder 5 are assembled with the shock absorber 13 located in the inner periphery of the spring 12.

[0039] In use, the shock absorber 13 facilitates the mutual cooperation between the spring 12, facilitating to improve the stability when the spring 12 operates, so that the sliding cylinder 5 and the conical column 6 can more stably mutually fit with the circuit board body 7.

[0040] The working principle and use process of the utility model: when using, first, the corresponding structural component is installed on the appropriate position, when using the on-off test tool for the probe circuit board, the circuit board body 7 can be conveniently placed on the surface of the base 1, and the preset hole on the surface of the circuit board body 7 is directly inserted between the conical column 6 on the surface of the sliding cylinder 5, so that the subsequent on-off test is facilitated, and the taking is simple, and the limiting structure does not need to be additionally installed, and when the circuit board body 7 is placed on the surface of the base 1, the spring 12 and the shock absorber 13 between the sliding cylinder 5 and the sliding disc 11 conveniently elastically support the sliding cylinder 5, the circuit board body 7 between the conical columns 6 is buffered, the circuit board body 7 can be more stably placed on the surface of the conical column 6, the ring body 15 can rotate the screw rod 10, the screw rod 10 and the T-shaped cylinder 9 are mutually screwed and the sliding disc 11 in the sliding cylinder 5 is pushed, the arc-shaped groove 18 on the outer periphery of the T-shaped cylinder 9 and the protrusion on the inner periphery of the ring cover 8 are mutually fitted, the T-shaped cylinder 9 can stably slide and cannot appear the self-rotation condition, then the sliding disc 11 drives the sliding cylinder 5 to ascend and is removed from the T-shaped ring 3, the distance between the circuit board body 7 and the base 1 is conveniently adjusted, and after the test of the circuit board body 7 is completed, the screw rod 10 can be directly pushed by the ring body 15, the T-shaped cylinder 9 and the ring cover 8 are mutually slid by the screw rod 10, the sliding cylinder 5 and the conical column 6 are directly driven to ascend and descend, and the conical column 6 drives the circuit board body 7 to be lifted, the staff can conveniently take, so that the on-off test of the circuit board body 7 is more stable and convenient.

[0041] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A probe circuit board continuity test fixture, characterized in that, The utility model provides a test device for circuit board, including base (1), the top surface of base (1) is equipped with vertical hole (2), and vertical hole (2) has multiple groups, the T type ring (3) for supporting is inserted in vertical hole (2), and T type ring (3) is located the one end screwing installation for fastening bottom ring (4) of base (1) bottom side, the slide cylinder (5) for adjusting is installed in T type ring (3), and the top surface of slide cylinder (5) is integrally formed with conical column (6), multiple groups the circuit board body (7) for being used for leading through test is connected between conical column (6), slide disc (11) is installed in slide cylinder (5), and spring (12) for buffering is assembled between slide disc (11) and slide cylinder (5), The bottom end surface of T type ring (3) screwing installation is used for the ring cover (8) of spacing, and the T type cylinder (9) for supporting is fitted and installed in ring cover (8), the screw rod (10) of rotation connection with slide disc (11) is installed in T type cylinder (9), the outer circumferential surface of T type cylinder (9) is equipped with the arc slot (18) of fitting with ring cover (8), and arc slot (18) has multiple groups.

2. The probe card board contact test tool of claim 1, wherein, The top end surface of slide cylinder (5) is bonded with the sponge ring (17) located the outer periphery of conical column (6).

3. The probe card board contact test tool of claim 1, wherein, The opposite side of slide disc (11) and slide cylinder (5) is integrally formed with the vertical ring (14) of mutually fitting.

4. The probe card board contact test tool of claim 1, wherein, The outer circumferential surface of T type cylinder (9) screwing installation is used for the spin rod body (16) of spacing.

5. The probe card board contact test tool of claim 1, wherein, The bottom end surface of screw rod (10) is integrally formed with the ring body (15) for rotating.

6. The probe card board contact test tool of claim 1, wherein, The shock absorber (13) between slide disc (11) and slide cylinder (5) is assembled in the inner periphery of spring (12).

Citation Information

Patent Citations

  • PCB circuit board element test tool

    CN214669438U