CN216285387U

CN216285387U - Circuit function test fixture for circuit board

Info

Publication number: CN216285387U
Application number: CN202122237875.1U
Authority: CN
Inventors: 葛海光; 严文年; 章孝; 叶秀云; 任青松
Original assignee: Suzhou Yuntaili Automation Equipment Co ltd
Current assignee: Suzhou Yuntaili Automation Equipment Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-04-12
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a circuit function test fixture of a circuit board, which comprises a side line control assembly, a needle plate assembly, a side driving assembly, a middle suspension test plate, a plurality of suspension elastic assemblies and a base assembly, wherein the lower part of the needle plate assembly is provided with a plurality of test probes for testing; the suspension elastic component comprises a T-shaped piece and a spring sleeved outside the T-shaped piece; the lateral part drive-by-wire subassembly is connected with the test probe, and lateral part drive assembly is fixed in the base subassembly and drives the faller subassembly and remove, and the middle part suspension is surveyed the board and is set up between faller subassembly and base subassembly, and it is fixed with the base subassembly that T type spare passes middle part suspension survey the board, and the both ends of spring are contradicted respectively in the lower part that the board was surveyed in the middle part suspension and the upper portion of base subassembly. The cooperation operation of the spring outside the T type spare is located with the cover to the adoption T type spare, makes the middle part suspension survey test panel have certain suspension space, has solved the easy damage of probe, problem that efficiency of software testing is low.

Description

Circuit function test fixture for circuit board

Technical Field

The utility model relates to the field of circuit board testing, in particular to a circuit function testing jig for a circuit board.

Background

At present, circuit boards or circuit boards are classified into three major categories, i.e., single-sided boards, double-sided boards, and multilayer circuit boards, depending on the number of layers. First, a single panel, on the most basic PCB, the components are concentrated on one side and the wires are concentrated on the other side. Such PCBs are called single-sided circuit boards because the conductors are present on only one side thereof. The single panel is generally simple to manufacture and low in cost, but has the disadvantage that the single panel cannot be applied to a complex product. The double-sided board is an extension of a single-sided board, and is used when a single-layer wiring cannot meet the requirements of an electronic product. Copper is coated on both sides of the circuit board, so that wires are arranged between the two layers, and the wires can be connected through the through holes to form required network connection. The multilayer board refers to a printed board having three or more conductive pattern layers laminated with an insulating material therebetween at intervals, and the conductive patterns therebetween are interconnected as required. The multilayer circuit board is a product of the development of electronic information technology in the directions of high speed, multifunction, large capacity, small volume, thinning and light weight.

However, the existing circuit board test has the following defects:

the probes of the circuit board testing equipment on the market are easy to damage, and the testing efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, an object of the present invention is to provide a circuit function testing jig for a circuit board, which can solve the problems of easy damage of a probe and low testing efficiency.

One of the purposes of the utility model is realized by adopting the following technical scheme:

a circuit function test fixture for a circuit board comprises a lateral line control assembly, a needle plate assembly, a lateral driving assembly, a middle suspension test plate, a plurality of suspension elastic assemblies and a base assembly, wherein a plurality of test probes for testing are arranged at the lower part of the needle plate assembly; the suspension elastic component comprises a T-shaped piece and a spring sleeved outside the T-shaped piece; the lateral wire control assembly is connected with the test probe, the lateral driving assembly is fixed on the base assembly and drives the needle plate assembly to move, the middle suspension test plate is arranged between the needle plate assembly and the base assembly, the T-shaped piece penetrates through the middle suspension test plate and is fixed with the base assembly, and two ends of the spring respectively abut against the lower portion of the middle suspension test plate and the upper portion of the base assembly.

Further, the lateral part drive assembly includes lateral part drive cylinder, coupling assembling, the lateral part drive cylinder with coupling assembling fixed connection drives coupling assembling removes.

Further, coupling assembling includes connecting block, head rod, second connecting rod, rotation installed part, the upper portion of connecting block with the lower part laminating of faller subassembly, the faller subassembly is provided with the lower part lug, the lower part lug is inserted the connecting block passes through rotation installed part articulate in the connecting block, the upper portion of head rod, second connecting rod respectively with connecting block fixed connection.

Further, circuit board circuit function test fixture still includes the articulated shaft, the faller subassembly adopts the articulated shaft rotates to be installed on an frame.

Furthermore, the number of the side driving assemblies is two, and the two side driving assemblies are distributed at two ends of the needle plate assembly.

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

the lower part of the needle plate assembly is provided with a plurality of test probes for testing; the suspension elastic component comprises a T-shaped piece and a spring sleeved outside the T-shaped piece; the lateral wire control assembly is connected with the test probe, the lateral driving assembly is fixed on the base assembly and drives the needle plate assembly to move, the middle suspension test plate is arranged between the needle plate assembly and the base assembly, the T-shaped piece penetrates through the middle suspension test plate and is fixed with the base assembly, and two ends of the spring respectively abut against the lower portion of the middle suspension test plate and the upper portion of the base assembly. The cooperation operation of the spring outside the T type spare is located with the cover to the adoption T type spare, makes the middle part suspension is surveyed the board and is had certain suspension space, has solved the easy damage of probe, the problem of efficiency of software testing low.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of a circuit board testing fixture according to a preferred embodiment of the present invention;

FIG. 2 is a perspective view of the circuit function testing fixture of the circuit board shown in FIG. 1;

FIG. 3 is another perspective view of the circuit function testing fixture of the circuit board shown in FIG. 1;

fig. 4 is a partially enlarged view of a portion a of the circuit board testing fixture shown in fig. 1.

In the figure: 10. a side drive-by-wire assembly; 20. a needle plate assembly; 21. testing the probe; 30. a side drive assembly; 31. a side drive cylinder; 32. a connecting assembly; 321. connecting blocks; 322. a first connecting rod; 323. a second connecting rod; 324. rotating the mounting member; 40. a middle suspension test plate; 50. a suspended elastic component; 51. a T-shaped piece; 52. a spring; 60. a base assembly; 80. and (4) hinging the shaft.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, a circuit board circuit function testing fixture includes a lateral line control assembly 10, a needle plate assembly 20, a lateral driving assembly 30, a middle suspension testing plate 40, a plurality of suspension elastic assemblies 50, and a base assembly 60, wherein a plurality of testing probes 21 for testing are disposed at the lower part of the needle plate assembly 20; the suspension elastic component 50 comprises a T-shaped part 51 and a spring 52 sleeved outside the T-shaped part 51; the lateral drive-by-wire assembly 10 is connected with the test probe 21, the lateral driving assembly 30 is fixed to the base assembly 60 and drives the needle plate assembly 20 to move, the middle suspension test plate 40 is arranged between the needle plate assembly 20 and the base assembly 60, the T-shaped part 51 penetrates through the middle suspension test plate 40 and is fixed with the base assembly 60, and two ends of the spring 52 respectively abut against the lower part of the middle suspension test plate 40 and the upper part of the base assembly 60. The middle suspension test board 40 has a certain suspension space by adopting the matching operation of the T-shaped part 51 and the spring 52 sleeved outside the T-shaped part 51, and the problems that the probe is easy to damage and the test efficiency is low are solved.

Preferably, the side driving assembly 30 includes a side driving cylinder 31 and a connecting assembly 32, and the side driving cylinder 31 is fixedly connected with the connecting assembly 32 and drives the connecting assembly 32 to move. Specifically, coupling assembling 32 includes connecting block 321, head rod 322, second connecting rod 323, rotation installed part 324, the upper portion of connecting block 321 with the lower part laminating of faller subassembly 20, faller subassembly 20 is provided with the lower part lug, the lower part lug is inserted connecting block 321 and through rotation installed part 324 articulate in connecting block 321, the upper portion of head rod 322, second connecting rod 323 respectively with connecting block 321 fixed connection. The circuit board circuit function test fixture further comprises an articulated shaft 80, and the needle plate component 20 is rotatably mounted on an outer frame by adopting the articulated shaft 80. In operation, the needle board assembly 20 is flipped about the hinge axis 80. A certain fit gap is generated between the connecting block 321 and the needle board assembly 20.

Preferably, the number of the side driving assemblies 30 is two, and two side driving assemblies 30 are distributed at two ends of the needle board assembly 20. Whole device compact structure, novel structure, design benefit, the suitability is strong, the facilitate promotion.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a circuit board line function test fixture, includes that lateral part drive-by-wire subassembly, faller subassembly, lateral part drive assembly, middle part suspension survey test panel, a plurality of suspension elastic component, base subassembly, its characterized in that:

the lower part of the needle plate assembly is provided with a plurality of test probes for testing;

the suspension elastic component comprises a T-shaped piece and a spring sleeved outside the T-shaped piece;

the lateral wire control assembly is connected with the test probe, the lateral driving assembly is fixed on the base assembly and drives the needle plate assembly to move, the middle suspension test plate is arranged between the needle plate assembly and the base assembly, the T-shaped piece penetrates through the middle suspension test plate and is fixed with the base assembly, and two ends of the spring respectively abut against the lower portion of the middle suspension test plate and the upper portion of the base assembly.

2. The circuit board circuit function testing jig of claim 1, characterized in that: the lateral part drive assembly comprises a lateral part drive cylinder and a connecting assembly, and the lateral part drive cylinder is fixedly connected with the connecting assembly and drives the connecting assembly to move.

3. The circuit board circuit function testing jig of claim 2, wherein: coupling assembling includes connecting block, head rod, second connecting rod, rotation installed part, the upper portion of connecting block with the lower part laminating of faller subassembly, the faller subassembly is provided with the lower part lug, the lower part lug is inserted the connecting block passes through the rotation installed part articulate in the connecting block, the upper portion of head rod, second connecting rod respectively with connecting block fixed connection.

4. The circuit board circuit function testing jig of claim 3, wherein: the circuit board circuit function test fixture further comprises an articulated shaft, and the needle plate assembly is rotatably mounted on an outer frame through the articulated shaft.

5. The circuit board circuit function testing jig of claim 1, characterized in that: the number of the side driving assemblies is two, and the two side driving assemblies are distributed at two ends of the needle plate assembly.