CN219533207U - Down-pressure type rapid test fixture - Google Patents

Abstract

The utility model relates to a down-pressing type rapid test fixture which comprises a fastening bolt, a pressing plate, a base and a pressing block, wherein the fastening bolt penetrates through the pressing plate and is detachably connected with the edge of the base, the pressing block is arranged on one side of the pressing plate facing the base, vertical conductive cloth is arranged on one surface of the base, which faces the pressing block, and the edge of the base is provided with a connector, and the vertical conductive cloth is electrically connected with the connector. The design cancels the contact mode of the traditional spring piece, adopts the mode that the vertical conductive cloth contacts the device to be tested, has no obvious indentation or scratch on the surface of the device, and improves the product quality of the device; the fastening bolt is used as a vertical pressing mechanism, pressing of products is completed, a tester can conveniently leave hands to operate equipment, and testing efficiency of the tester is improved.

Description

Down-pressure type rapid test fixture

Technical Field

The utility model relates to the technical field of test fixtures, in particular to a down-pressing type rapid test fixture.

Background

Under the current trend of miniaturization of microwave devices, testing of the devices is becoming one of the problems to be solved. In particular, the testing of large-scale devices, the number of devices is large, and if excessive time is spent on device index testing, the whole production cycle is strained. Therefore, the rapid test fixture for designing the miniaturized device is necessary, and the rapid test fixture can conveniently and rapidly complete the index test of the device, so that the test time can be greatly shortened. When the existing device is tested, a tester is required to press the device by hand all the time, and when the device is tested, the device is difficult to operate by leaving hands out if operation equipment is required, so that the efficiency is low when a product is tested; in addition, the traditional test fixture is used for testing the performance of the product by contacting the spring piece, and in the actual use process, the conditions of poor grounding of the product, poor standing waves of input and output of the product and the like can occur due to the different heights and deformation degrees of the spring piece, and finally, the test index and the actual index are not in accordance; the spring piece is a metal product, obvious indentation is generated when the spring piece contacts with a product, the appearance requirement of a user on a miniaturized product is gradually improved, and the traditional clamp can not meet the requirement of the user.

Disclosure of Invention

Based on this, it is necessary to provide a down-press type quick test jig against the above-described problems.

The utility model provides a quick test fixture of push down, includes fastening bolt, clamp plate, base and briquetting, fastening bolt runs through the clamp plate can be dismantled with the base limit portion and be connected, the briquetting is installed at the clamp plate towards base one side, the base is just right the one side of briquetting is provided with perpendicular conductive cloth, base limit portion is provided with the connector, perpendicular conductive cloth is connected with the connector is the electricity.

Preferably, the briquette is made of polytetrafluoroethylene.

Preferably, a buffer assembly is arranged in the pressing plate, and the lower end of the buffer assembly penetrates through the pressing plate to be connected with the pressing block.

Preferably, the buffer assembly comprises a spring column, an upper cover plate and a through hole, wherein the through hole is formed in the middle of the pressing plate, the upper cover plate is installed at the upper opening of the through hole through a bolt, the pressing block is movably clamped in the through hole, and the spring column is vertically connected between the upper cover plate and the pressing block.

Preferably, the upper end face of the base is further provided with a limiting plate, and a second through hole is formed in the middle of the limiting plate corresponding to the pressing block.

Preferably, two lugs are arranged on the left side and the right side of the base, and the corresponding two fastening bolts penetrate through the pressing plate and are detachably connected with the lugs.

The utility model has the advantages that: 1. the contact mode of the traditional spring piece is canceled, the mode that the vertical conductive cloth contacts the device to be tested is adopted, no obvious indentation or scratch exists on the surface of the device, and the product quality of the device is improved; 2. the fastening bolt is used as a vertical pressing mechanism, pressing of products is completed, a tester can conveniently leave hands to operate equipment, and testing efficiency of the tester is improved.

Drawings

FIG. 1 is a schematic perspective view of a press-down type quick test fixture according to one embodiment;

fig. 2 is an explosion schematic diagram of a press-down type rapid test fixture.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "fixed" or "disposed" 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 and are not meant to be the only embodiment.

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.

As shown in fig. 1-2, a down-pressing type quick test fixture comprises a fastening bolt 1, a pressing plate 2, a base 3 and a pressing block 4, wherein the fastening bolt 1 penetrates through the pressing plate 2 and is detachably connected with the side part of the base 3, the pressing block 4 is installed on one side of the pressing plate 2 facing the base 3, a vertical conductive cloth 31 is arranged on one side of the base 3, which is opposite to the pressing block 4, of the base 3, a connector 32 is arranged on the side part of the base 3, and the vertical conductive cloth 31 is electrically connected with the connector 32. Specifically, when in use, the vertical conductive cloth 31 is laid on the base 3, and the vertical conductive cloth 31 and the connector 32 can be electrically connected by using a wire harness or a manner of providing a bonding pad on the base 3, and it is known that the connector 32 is electrically connected with analysis equipment of the device. During testing, the device to be tested is horizontally placed on the vertical conductive cloth 31, the vertical conductive cloth 31 has the characteristic of conducting electricity in the vertical direction, an operator screws up the bolt 1 to drive the pressing plate 2 to press down, the pressing block 4 acts on the device to be tested, and accordingly the device to be tested is tightly and electrically connected with the connector 32 on the base 3 through the vertical conductive characteristic of the vertical conductive cloth 31, the input and output of the device to be tested and the grounding pad.

It can be appreciated that the connector 32 is connected with the analysis equipment in the background, so that an operator can operate the analysis equipment without pressing the pressing plate 2 by hand, and the testing efficiency is greatly improved. In this embodiment, the thickness of the selected vertical conductive cloth is 0.1mm, the frequency bandwidth can reach 50GHz, the resistance value in the vertical direction is less than 15 Ω, and the maximum passing current is 5A. During testing, only one layer of vertical conductive cloth 31 is needed to be filled on the contact surface of the base 3 and the device to be tested, and the operation is very simple and convenient; because the vertical conductive cloth 31 is an integral plane, when the pressing plate 2 is pressed down, the output and input bonding pads of the product are in consistent contact with the grounding bonding pads, no local places with poor contact can be generated, and the test result is extremely accurate. And the vertical conductive cloth 31 is adopted to contact with the device to be tested, so that the device can be quickly replaced, and meanwhile, the device is made of nonmetal materials, so that the appearance of the product is not influenced. The pressing block 4 is made of polytetrafluoroethylene, has low cost and good insulation

As shown in fig. 1-2, a buffer assembly 5 is disposed in the pressing plate 2, and the lower end of the buffer assembly 5 penetrates through the pressing plate 2 to be connected with the pressing block 4. Specifically, the buffer component 5 may be a spring, a silica gel pad, or other components with a buffer function, so that when the pressing block 4 acts on the device to be tested, the pressing block is in flexible contact, but not in hard contact, and the device to be tested can be protected from being damaged by excessive pressure during testing.

As shown in fig. 1-2, the buffer assembly 5 includes a spring column 51, an upper cover plate 52 and a through hole 21 in the middle of the pressing plate 2, the upper cover plate 52 is mounted at an upper opening of the through hole 21 by a bolt, the pressing block 4 is movably clamped in the through hole 21, and the spring column 51 is vertically connected between the upper cover plate 52 and the pressing block 4. Specifically, when the buffer assembly 5 is pressed down following the pressing plate 2, the pressing block 4 is firstly in contact with the device to be tested, and the spring on the spring column 51 is compressed under the stress, so that the pressing block 4 has limited force on the device to be tested, and further plays a role in protecting the device to be tested, and preventing the device to be tested from being crushed.

As shown in fig. 1-2, the upper end surface of the base 3 is further provided with a limiting plate 6, the middle part of the limiting plate 6 is provided with a second through hole 61 corresponding to the pressing block 4, and the limiting plate 6 can play a role in protecting, so that the pressing plate 2 is prevented from being excessively pressed down and directly acts on a device to be tested.

As shown in fig. 1-2, two lugs 33 are disposed on the left and right sides of the base 3, two corresponding fastening bolts 1 penetrate through the pressing plate 2 and are detachably connected with the lugs 33, the lugs 33 are external, the upper surface of the base 3 is free, a space is reserved for placing a device to be tested, and operation is convenient.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as 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 (6)

1. A down-pressure type rapid test fixture is characterized in that: including fastening bolt, clamp plate, base and briquetting, fastening bolt runs through the clamp plate can dismantle with the base limit portion and be connected, the briquetting is installed at the clamp plate towards base one side, the base is just right the one side of briquetting is provided with perpendicular conductive cloth, the base limit portion is provided with the connector, perpendicular conductive cloth is connected with the connector electricity.

2. A down-pressure quick test fixture as defined in claim 1, wherein: the pressing block is made of polytetrafluoroethylene.

3. A down-pressure quick test fixture as defined in claim 1, wherein: the pressing plate is internally provided with a buffer assembly, and the lower end of the buffer assembly penetrates through the pressing plate and is connected with the pressing block.

4. A down-pressure quick test fixture as defined in claim 3, wherein: the buffer assembly comprises a spring column, an upper cover plate and a pressing plate, wherein a through hole is formed in the middle of the pressing plate, the upper cover plate is mounted at an upper opening of the through hole through a bolt, the pressing block is movably clamped in the through hole, and the spring column is vertically connected between the upper cover plate and the pressing block.

5. A down-pressure quick test fixture as defined in claim 1, wherein: the base up end still is provided with the limiting plate, the limiting plate middle part corresponds the briquetting is provided with the second through-hole.

6. A down-pressure quick test fixture as defined in claim 1, wherein: two lugs are arranged on the left side and the right side of the base, and the corresponding two fastening bolts penetrate through the pressing plate and are detachably connected with the lugs.