CN220730348U - Anti electric strength test fixture - Google Patents

Abstract

The utility model provides an anti-electric strength test fixture, wherein a cavity is arranged in a main box body, a connecting interface group is arranged on the side wall, and a plurality of first probes are arranged on the top surface; the first probe is used for connecting the corresponding interface in the interface group through the wire that is arranged in the cavity, the stand is arranged on the main box body, the pressing plate comprises a first insulating plate and a second insulating plate, the first insulating plate is vertically and slidably arranged on the stand, the second insulating plate is detachably arranged at the bottom of the first insulating plate and is provided with a second probe, the second probe is electrically connected with the corresponding interface in the interface group, the fixed box is arranged on the main box body, a plurality of placing grooves used for placing tested electronic products are arranged in the fixed box, a plurality of through holes are formed in the bottoms of the placing grooves, the first probe penetrates through the through holes to be abutted to test positions of the tested electronic products, and the pressing piece is used for driving the pressing plate to enable each second probe to be contacted with and far away from the corresponding test positions of the tested electronic products. The utility model can test multiple products and multiple test points of a single electronic product.

Description

Anti electric strength test fixture

Technical Field

The utility model relates to the technical field of electrical performance testing equipment, in particular to an anti-electric strength testing jig.

Background

The test of the electric resistance intensity aims at detecting whether the tested electronic product can bear the impact of a certain fixed large voltage for a certain time, and when the electric resistance intensity is tested, proper voltage is selected according to the technical file and related standards. In the prior art standard, it is generally prescribed that the test is continuously performed for one minute, and since a typical test fixture can only test one product at a time, the test time plus the front-back operation limits the number of electronic products tested per hour by a skilled tester. In addition, when the existing test fixture is used for testing the electric resistance of the electronic product, only one test point can be tested, and when different test points of the electronic product are required to be tested, the test fixture needs to be replaced. Therefore, the existing test fixture is low in detection efficiency and obviously increases the cost of the test.

Disclosure of Invention

Based on the above, the utility model aims to provide an anti-electric strength test fixture capable of testing multiple products and multiple test points of a single electronic product.

The utility model provides an electric strength testing jig which comprises a main box body, a vertical frame, a pressing plate, a fixing box and a pressing piece. The inside of main box body is equipped with a cavity, is equipped with connection interface group on the lateral wall of main box body, and main box body top surface is equipped with a plurality of first probes, first probes are used for being located through being located the wire electricity of cavity is connected correspond the interface in the connection interface group, the grudging post is located on the main box body, the clamp plate includes first insulation board and second insulation board, first insulation board vertical sliding sets up on the grudging post, the second insulation board can dismantle the bottom that sets up in first insulation board, the bottom of second insulation board is equipped with the second probe that uses with first probes in a supporting way, the second probe is arranged in the wire electricity through extending into the cavity is connected to the corresponding interface in the connection interface group, the fixed box is located on the main box body, be provided with a plurality of standing grooves that are used for placing the electronic product that is surveyed in the fixed box, the bottom of standing groove is equipped with a plurality of through-holes, first probes pass the through-hole with the butt in the test position of being surveyed electronic product, the clamp plate makes each second probe contact and keep away from the corresponding test position of surveying electronic product.

According to the anti-electric strength testing jig, the plurality of placing grooves and the first probes and the second probes which are positioned on the upper side and the lower side of the tested electronic products placed in the placing grooves are arranged, so that the insulation resistance values of the plurality of electronic products can be tested at the same time with high efficiency; in addition, through the cooperation use of a plurality of first probes and second probes, can once only test the insulation resistance value of single electronic product under test in different positions.

In addition, the test fixture for the electric resistance strength can also have the following additional technical characteristics:

further, the stand includes riser, diaphragm that two relative settings, and the both ends fixed connection of diaphragm is on two risers, is equipped with the gag lever post that two at least sets of perpendicular intervals set up between diaphragm and the main box body, and first insulation board slides and sets up on the gag lever post.

Further, the pressing piece comprises a fixing frame and a sliding rod, wherein the fixing frame is fixedly connected to the transverse plate and located above the first insulating 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 first insulating plate, and a limiting portion is arranged at the upper end of the sliding rod.

Further, the limiting part is of an annular structure formed by connecting two symmetrical curved plates, and the size of the 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 limiting part is hinged on the pressing handle.

Further, the main box body, the first insulating plate and the second insulating plate are all of bakelite structures.

Further, a protective baffle is arranged on the first insulating plate.

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 a front view of an embodiment of the present utility model;

description of main reference numerals:

the main box body 100, the connection interface group 120, the first probe 130, the protective shield 131, the stand 200, the stand 210, the cross plate 220, the limit lever 230, the pressing plate 300, the first insulating plate 310, the second insulating plate 320, the second probe 321, the fixed box 400, the placing groove 410, the through hole 411, the pressing piece 500, the fixing frame 510, the sleeve 511, the pressing handle 512, the slide bar 520, and the limit portion 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 embodiment of an electrical strength testing fixture includes a main case 100, a stand 200, a pressing plate 300, a fixing case 400, and a pressing member 500. The main box 100 has a chamber (not shown in the drawings) inside, and the side wall of the rear of the main box 100 is provided with a connection interface set 120, where the connection interface set 120 includes a test button and some connectors for connecting external positive and negative voltages.

As an exemplary illustration, the top surface of the main box body 100 in this embodiment is provided with two groups of first probes 130, and each group of first probes 130 is provided with four probes, which corresponds to testing one tested electronic product. The bottom of the first probe 130 is electrically connected to a corresponding connector through a wire located in the chamber, thereby leading to the positive or negative pole of an external test voltage source. The stand 200 is arranged on the main box body 100, the pressing plate 300 comprises a first insulating plate 310 and a second insulating plate 320, the first insulating plate 310 is vertically and slidably arranged on the stand 200, the second insulating plate 320 is arranged at the bottom of the first insulating plate 310 through a fastener, second probes 321 matched with the first probes 130 are arranged at the bottom of the second insulating plate 320, the number of the second probes 321 is the same as that of the first probes 130, the positions of the second probes 321 and the first probes 130 are vertically and correspondingly arranged on a straight line, the second probes 321 are electrically connected with corresponding connectors through wires, and the wires are buried in a cavity through wire holes in the main box body 100 and are connected and fixed on the corresponding connectors, so that the positive electrode or the negative electrode of an external test voltage source is connected, and the polarity of the wires is opposite to that of the first probes 130.

The fixing box 400 is arranged on the main box body 100, two placing grooves 410 for placing tested electronic products are arranged in the fixing box 400, a plurality of through holes 411 are formed in the bottoms of the placing grooves 410, and the first probes 130 penetrate through the through holes 411 and then are abutted to the testing positions of the tested electronic products.

During testing, the pressing member 500 can drive the pressing plate 300 to move the first insulating plate 310 up and down relative to the stand 200, so that each second probe 321 contacts and is far away from the corresponding testing position of the tested electronic product.

In some embodiments, as shown in fig. 2, optionally, the stand 200 includes two opposite standing plates 210 and a transverse plate 220, two ends of the transverse plate 220 are fixedly mounted on top of the two standing plates 210 through fasteners, at least two limiting rods 230 vertically spaced apart are disposed between the transverse plate 220 and the main box body 100, the first insulating plate 310 is correspondingly provided with a corresponding number of sliding holes, and the limiting rods 230 are sleeved in the sliding holes, so that the first insulating plate 310 can move up and down relative to the limiting rods 230.

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 transverse plate 220 by a fastener, and the fixing frame 510 is located above the first insulating plate 310, a sleeve 511 is disposed 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 first insulating plate 310 by the fastener, and a limiting portion 521 is disposed on the upper end of the sliding rod 520.

In some embodiments, as shown in fig. 2, the 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, the top of the fixing frame 510 is hinged with a pressing handle 512 protruding outwards, the upper end of the limiting part 521 is hinged on the pressing handle 512, and when the pressing handle 512 is pulled downwards, the first insulating plate 310 can move downwards relative to the limiting rod 230, and when the pressing handle 512 is pulled downwards, the first insulating plate 310 can move upwards relative to the limiting rod 230.

In some embodiments, the main box 100, the first insulating plate 310 and the second insulating plate 320 are optionally made of bakelite plates, so that the fixture has good insulation, protects testers and improves the safety of testing.

In some embodiments, as shown in fig. 1, optionally, a protective baffle 131 is disposed on the first insulating plate 310, and the protective baffle 131 is disposed, so as to prevent a tester from touching the first probe 130 or the wires connected by the first probe 130 by mistake, so as to avoid safety accidents.

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 (7)

1. The utility model provides an anti electric strength test fixture, its characterized in that, anti electric strength test fixture includes:

the main box body is internally provided with a cavity, the side wall of the main box body is provided with a connecting interface group, the top surface of the main box body is provided with a plurality of first probes, and the first probes are used for electrically connecting corresponding interfaces in the connecting interface group through wires positioned in the cavity;

the stand is arranged on the main box body;

the pressing plate comprises a first insulating plate and a second insulating plate, the first insulating plate is vertically arranged on the vertical frame in a sliding mode, the second insulating plate is detachably arranged at the bottom of the first insulating plate, a second probe matched with the first probe is arranged at the bottom of the second insulating plate, and the second probe is used for being electrically connected with a corresponding interface in the connecting interface group through a wire extending into the cavity;

the fixing box is arranged on the main box body, a plurality of placing grooves for placing the tested electronic products are formed in the fixing box, a plurality of through holes are formed in the bottoms of the placing grooves, and the first probes penetrate through the through holes to be abutted to the testing positions of the tested electronic products;

and the pressing piece is used for driving the pressing plate to enable each second probe to contact with and be far away from a corresponding test position of the tested electronic product.

2. The jig for testing the electric resistance intensity according to claim 1, wherein the stand comprises two opposite vertical plates and a transverse plate, two ends of the transverse plate are fixedly connected to the two vertical plates, at least two groups of limiting rods which are vertically arranged at intervals are arranged between the transverse plate and the main box body, and the first insulating plate is slidably arranged on the limiting rods.

3. The fixture for testing the electrical resistance intensity according to claim 2, wherein the pressing member comprises a fixing frame and a sliding rod, the fixing frame is fixedly connected to the transverse plate and located above the first insulating 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 first insulating plate, and a limiting portion is arranged at the upper end of the sliding rod.

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

5. The jig for testing the electrical resistance strength according to claim 3, wherein the top of the fixing frame is hinged with a pressing handle protruding outwards, and the upper end of the limiting part is hinged to the pressing handle.

6. The fixture of claim 1, wherein the main case, the first insulating plate, and the second insulating plate are all bakelite structures.

7. The fixture for testing the electrical resistance according to claim 1, wherein a protective baffle is provided on the first insulating plate.