CN219122279U

CN219122279U - PCB test fixture

Info

Publication number: CN219122279U
Application number: CN202320098616.1U
Authority: CN
Inventors: 曲振昆
Original assignee: Shenzhen Jiemicrochip Technology Co ltd
Current assignee: Shenzhen Jiemicrochip Technology Co ltd
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-06-02
Anticipated expiration: 2033-02-02

Abstract

The utility model provides a PCB test fixture, comprising: the test board comprises a probe seat, wherein a plurality of elastic probes are arranged on the probe seat, and an alignment part is also arranged on the probe seat; the PCB carrier is of a frame structure with one end open, the PCB carrier can be connected with the probe seat in a sealing way, a containing cavity is formed in the PCB carrier, and a positioning structure is arranged in the containing cavity; the probe seat is provided with the elastic probes and the alignment parts, so that each probe can be accurately aligned with each component of the PCB, the PCB carrier is provided with the positioning structure for positioning the PCB, the position for placing the PCB is deviated, the accurate connection of the components of the PCB is realized, the PCB is not easy to damage, and meanwhile, the PCB carrier can be connected with the probe seat in a sealing way, so that the PCB can be tested in more different environments.

Description

PCB test fixture

Technical Field

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

Background

A printed circuit board (Printed circuit boards, PCB), also known as a printed circuit board, is a provider of electrical connections for electronic components. After the PCB is manufactured, the PCB needs to be tested, and the current PCB testing jig uses the air cylinder to press the product to be tested, so that the structure is complex, the cost is high, and the product to be tested is easy to damage.

Therefore, it is necessary to design a PCB test fixture to solve the above-mentioned problems.

Disclosure of Invention

The utility model provides a PCB test fixture which is used for solving the technical problems mentioned in the background art.

In order to solve the problems, the utility model provides the following technical scheme: PCB test fixture includes:

the test board comprises a probe seat, wherein a plurality of elastic probes are arranged on the probe seat, and an alignment part is also arranged on the probe seat;

the PCB carrier is of a frame structure with one end being open, the PCB carrier can be connected with the probe seat in a sealing mode, a containing cavity is formed in the PCB carrier, and a positioning structure is arranged in the containing cavity.

Further, the test bench is further provided with a base, the base is connected with the probe seat through an elastic component, two sides of the base are further provided with buckles, and the buckles are used for fixing the PCB carrier and the probe seat.

Further, the alignment component is at least two rods arranged in the vertical direction, and the rods correspond to the limit holes of the PCB.

Further, the positioning structure is a screw, and the PCB is locked in the PCB accommodating cavity through the screw.

Further, a flexible cushion block is arranged in the accommodating chamber and used for buffering when the PCB is positioned.

Further, a detachable sealing plug is arranged on the side face of the PCB carrier.

Compared with the prior art, the utility model has at least the following beneficial effects:

the probe seat is provided with the elastic probes and the alignment parts, so that each probe can be accurately aligned with each component of the PCB, the PCB carrier is provided with the positioning structure for positioning the PCB, the position for placing the PCB is deviated, the accurate connection of the components of the PCB is realized, the PCB is not easy to damage, and meanwhile, the PCB carrier can be connected with the probe seat in a sealing way, so that the PCB can be tested in more different environments.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a PCB carrier before being covered in an embodiment of the present utility model;

FIG. 2 is a schematic view of the PCB carrier of FIG. 1 after being covered;

FIG. 3 is a side view of FIG. 2;

fig. 4 is a partial cross-sectional view of fig. 3.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. The connection relationships shown in the drawings are for convenience of clarity of description only and are not limiting on the manner of connection.

It is noted that when one component is considered to be "connected" to another component, it may be directly connected to the other component, or intervening components may also be present. 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 utility model belongs. It should also be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless otherwise specifically defined and limited; either mechanically or electrically, or by communication between two components. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

It should be further noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 4, the pcb test fixture includes:

the test board comprises a probe seat 100, wherein a plurality of elastic probes 101 and an alignment component 102 are arranged on the probe seat 100;

as shown in fig. 1, the PCB carrier 200 is a frame structure with an opening at one end, the PCB carrier 200 may be hermetically connected with the probe holder 100, a receiving chamber 201 is provided in the PCB carrier 200, and a positioning structure 202 is provided in the receiving chamber 201. In this embodiment, the PCB carrier and the probe seat can be connected in a sealed manner, so that various environments can be simulated in the accommodating chamber 201 to test the PCB400, such as simulating special environments of vacuum, high temperature, low temperature, etc., to test the PCB400, and the testing range is wider.

As shown in fig. 3, in this embodiment, the test stand is further provided with a base 300, the base 300 is connected with the probe seat 100 through an elastic component 301, two sides of the base 300 are further provided with a buckle 302, and the buckle 302 is used for fixing the PCB carrier 200 and the probe seat 100, so that the matching mode is simple and easy to operate, and the installation is convenient.

As shown in fig. 1 and fig. 4, the alignment member 102 is at least two rods disposed in the vertical direction, the rods correspond to the limiting holes of the PCB400, and the alignment member 102 also functions as a fool-proof structure.

In this embodiment, the positioning structure is a screw, and the PCB is locked in the PCB accommodating cavity by the screw, so as to avoid the deviation of the position of the PCB 400.

As shown in fig. 4, a flexible cushion 203 is disposed in the accommodating chamber 201, and is used for buffering the PCB during positioning, so as to avoid damage to the PCB during positioning.

In this embodiment, a detachable sealing plug 204 is provided on the side of the PCB carrier 200, so as to control whether the accommodating chamber is in a sealed state.

The utility model has simple structure and reasonable design, and can lead the probe to form accurate alignment and matching with each component when testing the PCB.

In the description and claims of this application, the words "comprise/comprising" and the words "have/include" and variations thereof are used to specify the presence of stated features, values, steps, or components, but do not preclude the presence or addition of one or more other features, values, steps, components, or groups thereof.

Some features of the utility model, which are, for clarity of illustration, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, some features of the utility model, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable combination in different embodiments.

The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A PCB test fixture, its characterized in that includes:

2. The PCB testing jig according to claim 1, wherein the testing stand is further provided with a base, the base is connected with the probe seat through an elastic component, two sides of the base are further provided with buckles, and the buckles are used for fixing the PCB carrier and the probe seat.

3. The PCB testing jig of claim 2, wherein the alignment member is at least two bars arranged in a vertical direction, and the bars correspond to the limiting holes of the PCB.

4. The PCB testing jig of claim 2, wherein the positioning structure is a screw by which the PCB is locked within the PCB receiving cavity.

5. The PCB testing jig of any one of claims 1 to 4, wherein flexible pads are provided in the receiving chamber for buffering the PCB when it is positioned.

6. The PCB testing jig of any one of claims 1 to 4, wherein the PCB carrier side is provided with a removable sealing plug.