CN220730320U

CN220730320U - Insulation resistance test fixture

Info

Publication number: CN220730320U
Application number: CN202322393489.0U
Authority: CN
Inventors: 欧阳有根; 黄从伟; 张叶谱
Original assignee: Dayou Scientfic & Technical Co ltd
Current assignee: Dayou Scientfic & Technical Co ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2024-04-05
Anticipated expiration: 2033-09-04

Abstract

The utility model provides an insulation resistance test fixture which comprises a base, a vertical frame, a pressing plate, a fixed box and a pressing piece, wherein the vertical frame is arranged on the base and is provided with a first limiting part, the pressing plate is connected to the first limiting part in a sliding mode, a first conducting plate and a second conducting plate which are arranged in a staggered mode are arranged at the bottom of the pressing plate and are used for communicating external test voltage, the fixed box is arranged on the base, a placing groove used for placing an electronic product to be tested is formed in the fixed box, and the pressing piece is used for driving the pressing plate to move up and down so that the first conducting plate and the second conducting plate can contact and be far away from two different test positions of the electronic product to be tested. The insulation resistance test fixture is safe in test and is not easy to damage the tested electronic product.

Description

Insulation resistance test fixture

Technical Field

The utility model relates to the technical field of electrical performance testing equipment, in particular to an insulation resistance testing jig.

Background

The insulation resistance is a main index of the insulation performance of the electronic product, and mainly reflects the insulation performance of the electronic product under the action of high-voltage breakdown. The insulation resistance of the electronic product is mainly determined by the insulation material, but the technical level of design and processing has great influence on the insulation resistance. The defect of process design can be found in the process of measuring the insulation resistance, and the insulation resistance becomes one of important bases for detecting the quality change of a product after the product runs and is an indispensable item in insulation preventive tests.

At present, two probes are often used for pressing a test position of an electronic product, and if the force is applied excessively in the process, the probes are easy to break or the insulating layers of some tested electronic products are easy to puncture, so that the test result is affected, and even safety accidents occur under high voltage.

Disclosure of Invention

Based on the above, the utility model aims to provide an insulation resistance test fixture which is safe in test and not easy to damage the tested electronic product.

The utility model provides an insulation resistance test fixture which comprises a base, a vertical frame, a pressing plate, a fixed box and a pressing piece, wherein the vertical frame is arranged on the base and is provided with a first limiting part, the pressing plate is connected to the first limiting part in a sliding mode, a first conducting plate and a second conducting plate which are arranged in a staggered mode are arranged at the bottom of the pressing plate and are used for communicating external test voltage, the fixed box is arranged on the base, a placing groove used for placing an electronic product to be tested is formed in the fixed box, and the pressing piece is used for driving the pressing plate to move up and down so that the first conducting plate and the second conducting plate can contact and be far away from two different test positions of the electronic product to be tested.

According to the insulation resistance test jig, the contact area between the plate-shaped first conductive plate and the tested electronic product is large, so that the first conductive plate and the second conductive plate are not easy to deform when being pressed against the tested electronic product, and the insulation layers on the surfaces of some tested electronic products are not easy to puncture, and the accuracy of a measurement result and the integrity of the tested electronic product are ensured.

In addition, the insulation resistance test fixture according to the present utility model may further have the following additional technical features:

further, the first limiting part comprises a movable window arranged in the middle of the vertical frame and at least two groups of limiting rods which are arranged in parallel, the limiting rods are vertically arranged in the movable window, two ends of the limiting rods are respectively and fixedly connected with the upper side edge and the lower side edge of the movable window, and the pressing plate is arranged on the limiting rods in a sliding mode.

Further, the pressing piece comprises a fixing frame and a sliding rod, the fixing frame is fixedly connected to the vertical frame and located above the pressing plate, a sleeve is arranged on the fixing frame, the sliding rod is arranged in the sleeve in a sliding mode, the lower end of the sliding rod is fixedly connected to the top surface of the pressing plate, and a second limiting portion is arranged at the upper end of the sliding rod.

Further, the second limiting part is of an annular structure formed by connecting two symmetrical curved plates, and the size of the second limiting part is larger than that of the sliding rod.

Further, the top of the fixing frame is hinged with a pressing handle protruding outwards, and the upper end of the second limiting part is hinged on the pressing handle.

Further, a boss is arranged on the part, opposite to the fixing box, of the pressing plate, the first conducting plate is arranged on the boss, and the second conducting plate is arranged at the bottom of the pressing plate outside the boss.

Further, the base and the pressing plate are both of bakelite structures.

Drawings

FIG. 1 is an isometric view of an embodiment of the utility model from a first perspective;

FIG. 2 is an isometric view of an embodiment of the utility model from a second perspective;

FIG. 3 is an isometric view of a third view of an embodiment of the utility model;

description of main reference numerals:

the base 100, the stand 200, the first limiting part 210, the movable window 211, the limiting rod 212, the pressing plate 300, the first conductive plate 310, the second conductive plate 320, the fixing case 400, the placing groove 410, the pressing member 500, the fixing frame 510, the sleeve 511, the pressing handle 512, the sliding rod 520, and the second limiting part 521.

The utility model will be further described in the following detailed description in conjunction with the above-described figures.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein 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 utility model belongs. 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. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In order to facilitate an understanding of the utility model, several embodiments of the utility model will be presented below. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Referring to fig. 1 to 3, an insulation resistance testing fixture according to an embodiment of the utility model includes a base 100, a stand 200, a pressing plate 300, a fixing box 400, and a pressing member 500. The stand 200 is mounted on the base 100 through a fastener, a first limiting portion 210 is provided on the stand 200, and the pressing plate 300 is slidably connected to the first limiting portion 210, so that the pressing plate 300 can move up and down relative to the first limiting portion 210. The bottom of clamp plate 300 is equipped with first conductive plate 310 and second conductive plate 320 of dislocation setting each other, and first conductive plate 310 and second conductive plate 320 can not contact each other and switch on when the test like this, and first conductive plate 310 and second conductive plate 320 communicate outside test voltage on the one hand during the test, and first conductive plate 310 connects positive pole voltage or negative pole voltage promptly, and the voltage polarity that second conductive plate 320 connects is opposite with first conductive plate 310, and on the other hand contacts the test position that the electronic product that is surveyed corresponds.

The fixing case 400 is mounted on the base 100, and a placement groove 410 for placing the tested electronic product is provided in the fixing case 400, and the pressing member 500 drives the pressing plate 300 to move up and down, so that the first conductive plate 310 and the second conductive plate 320 are contacted with and separated from two different test sites of the tested electronic product.

In some embodiments, as shown in fig. 3, the first limiting portion 210 includes a movable window 211 disposed in the middle of the stand, at least two sets of limiting rods 212 disposed in parallel, the limiting rods 212 are vertically disposed in the movable window 211, and two ends of the limiting rods are respectively and fixedly mounted on the upper and lower sides of the movable window 211, the pressing plate 300 is correspondingly provided with a corresponding number of sliding holes, and the limiting rods 212 are sleeved in the sliding holes, so that the pressing plate 300 can move up and down relative to the limiting rods 212.

In some embodiments, as shown in fig. 1 and 2, optionally, the pressing member 500 includes a fixing frame 510 and a sliding rod 520, the fixing frame 510 is fixedly mounted on the pressing plate 300 through a fastener, and the fixing frame 510 is located above the pressing plate 300, a sleeve 511 is provided on the fixing frame 510, the sliding rod 520 is sleeved in the sleeve 511, so that the sliding rod 520 can move up and down relative to the sleeve 511, the lower end of the sliding rod 520 is fixedly mounted on the top surface of the pressing plate 300 through the fastener, and the upper end of the sliding rod 520 is provided with a second limiting part 521.

In some embodiments, as shown in fig. 1 and 2, the second limiting portion 521 is an annular structure formed by connecting two symmetrical curved plates, and the size of the annular structure is larger than that of the sliding rod 520, so that the upper portion of the sliding rod 520 cannot fall out of the sleeve 511.

In some embodiments, as shown in fig. 1 and 2, the top of the fixing frame 510 is hinged with a pressing handle 512 protruding outwards, the upper end of the second limiting part 521 is hinged on the pressing handle 512, and when the pressing handle 512 is pulled downwards, the pressing plate 300 can be moved downwards relative to the limiting rod 212, and when the pressing handle 512 is pulled downwards, the pressing plate 300 can be moved upwards relative to the limiting rod 212.

In some embodiments, as shown in fig. 1, a boss 330 is disposed on a portion of the pressing plate 300 opposite to the fixing case 100, the first conductive plate 310 is fixedly mounted on the boss 330, and the second conductive plate 320 is mounted on the bottom of the pressing plate 300 outside the boss 330, so that the first conductive plate 310 and the second conductive plate 320 may be in offset contact with different testing positions of the tested product during testing.

In some embodiments, the main box 100 and the pressing plate 300 are made of bakelite plates, so that the jig has good insulation, protects testers and improves the safety of testing.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. Insulation resistance test tool, its characterized in that, insulation resistance test tool includes:

a base;

the vertical frame is arranged on the base and provided with a first limiting part;

the pressing plate is connected to the first limiting part in a sliding manner, a first conductive plate and a second conductive plate which are arranged in a staggered manner are arranged at the bottom of the pressing plate, and the first conductive plate and the second conductive plate are used for communicating external test voltage;

the fixed box is arranged on the base, and a placing groove for placing the tested electronic product is arranged in the fixed box;

and the pressing piece is used for driving the pressing plate to move up and down so as to enable the first conductive plate and the second conductive plate to contact and be far away from two different testing positions of the tested electronic product.

2. The insulation resistance test fixture according to claim 1, wherein the first limiting part comprises a movable window arranged in the middle of the stand and at least two groups of limiting rods arranged in parallel, the limiting rods are vertically arranged in the movable window, two ends of the limiting rods are respectively and fixedly connected to the upper side edge and the lower side edge of the movable window, and the pressing plate is slidably arranged on the limiting rods.

3. The insulation resistance test jig according to claim 2, wherein the pressing member comprises a fixing frame and a sliding rod, the fixing frame is fixedly connected to the vertical frame and located above the pressing plate, a sleeve is arranged on the fixing frame, the sliding rod is slidably arranged in the sleeve, the lower end of the sliding rod is fixedly connected to the top surface of the pressing plate, and a second limiting portion is arranged at the upper end of the sliding rod.

4. The insulation resistance test jig according to claim 3, wherein the second limiting portion is an annular structure formed by connecting two symmetrical curved plates, and the size of the second limiting portion is larger than that of the sliding rod.

5. The insulation resistance test jig according to claim 4, wherein the top of the fixing frame is hinged with a pressing handle protruding outwards, and the upper end of the second limiting part is hinged on the pressing handle.

6. The insulation resistance test fixture according to claim 1, wherein a boss is arranged on a part of the pressing plate, which is opposite to the fixing box, and the first conductive plate is arranged on the boss, and the second conductive plate is arranged at the bottom of the pressing plate outside the boss.

7. The insulation resistance test jig of claim 1, wherein the base and the pressing plate are bakelite structures.