CN213957555U

CN213957555U - A withstand voltage test tool for PCB board

Info

Publication number: CN213957555U
Application number: CN202023077757.0U
Authority: CN
Inventors: 阚宏林
Original assignee: Kunyi Electronic Shenzhen Co Ltd
Current assignee: Kunyi Electronic Shenzhen Co Ltd
Priority date: 2020-12-19
Filing date: 2020-12-19
Publication date: 2021-08-13
Anticipated expiration: 2030-12-19

Abstract

The utility model discloses a withstand voltage test tool for PCB board, including installation base and fixed bolster, the fixed bolster setting is in the upper end of installation base, and the upper end of installation base is provided with the test pin, and the upper end that is located test pin top installation base installs the installation layer board, and one side of fixed bolster is provided with the action bars, and the below of action bars is provided with the installation clamp plate, and the installation clamp plate is located the top of installation layer board. A withstand voltage test fixture for PCB board, use mutually supporting between installation layer board and the installation clamp plate through setting up, increased the buffering effect between installation layer board and the installation clamp plate, can improve the resistance to pressure of device for this device can not cause test fixture to destroy or can not damage the PCB board when the test when using, avoids increasing manufacturing cost, is favorable to in-service use, has better practicality and commonality.

Description

A withstand voltage test tool for PCB board

Technical Field

The utility model relates to a test fixture technical field, in particular to withstand voltage test fixture for PCB board.

Background

The tool that uses in the market at present, fix the mainboard on the layer board upper strata, the one side that has the test point of mainboard is downward, be the test box under the layer board, the position that the test box top corresponds the mainboard test point is fixed with the test pin, test point on the contact mainboard of pin one end, the other end sees through the via hole connecting wire at test box top, the test interface of test box avris is just guided to on the test interface of test box avris to the signal of mainboard test point like this, the tester can carry out the index test of each test point through receiving the instrument with the test interface.

Present test fixture has some problems when using, and at first current test fixture is relatively poor in the resistance to pressure when testing, causes test fixture to destroy easily or damage the PCB board easily when testing, has increased manufacturing cost, is unfavorable for in-service use, and practicality and commonality are relatively poor, in view of this, we provide a withstand voltage test fixture for PCB board.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a withstand voltage test fixture for PCB board can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a withstand voltage test tool for PCB board, includes installation base and fixed bolster, the fixed bolster sets up the upper end at the installation base, the upper end of installation base is provided with the test and draws the needle, is located the upper end of test and draws needle top installation base installs the installation layer board, one side of fixed bolster is provided with the action bars, the below of action bars is provided with the installation clamp plate, the installation clamp plate is located the top of installation layer board.

The utility model discloses a further improvement lies in, the below of installation clamp plate is provided with down the withstand voltage board, the first mounting hole of a plurality of groups has been seted up to the inside of installation clamp plate, the upper end fixedly connected with a plurality of groups head rod of withstand voltage board down, the upper end of head rod all is connected with the first connecting block, the internally mounted of first mounting hole has first spring, is located two sets of second springs are still installed to the inside of the first mounting hole in first connecting block below both ends.

The utility model discloses a further improvement lies in, first linkage block all is located the inside of first mounting hole, the lower extreme and the first linkage block of first spring are connected.

The utility model discloses a further improvement lies in, the upper end of installation layer board is provided with withstand voltage board, go up withstand voltage board's lower extreme middle part fixedly connected with second connecting rod, the inside of installation layer board is provided with the third spring, the upper end and the second connecting rod of third spring are connected.

The utility model discloses further improvement lies in being located two sets of fixed interior poles of lower extreme fixedly connected with of withstand voltage board on the second connecting rod both sides, the inside of installation layer board is provided with two sets of fixed outer poles, the lower extreme of pole is located the inside of fixed outer pole in the fixed.

The utility model discloses a further improvement lies in, the second mounting hole has all been seted up to the both sides of installation layer board, the internally mounted of second mounting hole has the fourth spring, the one end fixedly connected with carriage release lever of fourth spring, the one end fixedly connected with movable block of carriage release lever, the other end of carriage release lever is located the inside of second mounting hole, go up the lower part both ends of withstand voltage board and be located the lateral wall top of movable block.

Compared with the prior art, the utility model discloses following beneficial effect has:

through mutually supporting use between the installation layer board that sets up and the installation clamp plate, increased the buffering effect between installation layer board and the installation clamp plate, can improve the resistance to pressure of device for this device can not cause test fixture to destroy or can not damage the PCB board when the test when using, avoids increasing manufacturing cost, is favorable to in-service use, has better practicality and commonality.

Drawings

Fig. 1 is the utility model relates to an overall structure schematic diagram of a withstand voltage test fixture for PCB board.

Fig. 2 is the utility model relates to an inner structure schematic diagram of a mounting pressing plate of a withstand voltage test fixture for a PCB board.

Fig. 3 is the internal structure diagram of the mounting support plate of the pressure resistance test fixture for PCB.

Fig. 4 is an enlarged schematic view of a in fig. 3 of the withstand voltage test fixture for PCB of the present invention.

In the figure: 1. installing a base; 2. fixing a bracket; 3. testing a guide pin; 4. mounting a supporting plate; 5. an operating lever; 6. installing a pressing plate; 7. a lower pressure-resistant plate; 8. a first mounting hole; 9. a first connecting rod; 10. a first connection block; 11. a first spring; 12. a second spring; 13. an upper pressure-resistant plate; 14. a second connecting rod; 15. a third spring; 16. fixing the outer rod; 17. fixing the inner rod; 18. a second mounting hole; 19. a fourth spring; 20. a travel bar; 21. moving the mass.

Detailed Description

In order to make the technical means, the creative features, the achievement purposes and the functions of the present invention easy to understand, in the description of the present invention, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, cannot be understood as limiting the present invention. Furthermore, the terms "a," "an," "two," and "three" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be further described with reference to the following detailed description.

Examples

As shown in fig. 1-4, a withstand voltage test fixture for a PCB comprises an installation base 1 and a fixed support 2, wherein the fixed support 2 is arranged at the upper end of the installation base 1, a test pin 3 is arranged at the upper end of the installation base 1, an installation supporting plate 4 is arranged at the upper end of the installation base 1 above the test pin 3, an operating rod 5 is arranged at one side of the fixed support 2, an installation pressing plate 6 is arranged below the operating rod 5, and the installation pressing plate 6 is arranged above the installation supporting plate 4.

In this embodiment, a lower pressure-resistant plate 7 is arranged below the installation pressure plate 6, a plurality of sets of first installation holes 8 are formed in the installation pressure plate 6, a plurality of sets of first connecting rods 9 are fixedly connected to the upper end of the lower pressure-resistant plate 7, the upper ends of the first connecting rods 9 are connected with first connecting blocks 10, first springs 11 are installed in the first installation holes 8, and two sets of second springs 12 are further installed in the first installation holes 8 at two ends below the first connecting blocks 10.

In the present embodiment, the first connecting blocks 10 are located inside the first mounting holes 8, and the lower ends of the first springs 11 are connected to the first connecting blocks 10.

In this embodiment, an upper pressure-resistant plate 13 is disposed at the upper end of the mounting plate 4, a second connecting rod 14 is fixedly connected to the middle of the lower end of the upper pressure-resistant plate 13, a third spring 15 is disposed inside the mounting plate 4, and the upper end of the third spring 15 is connected to the second connecting rod 14.

In this embodiment, two sets of inner fixed rods 17 are fixedly connected to the lower ends of the pressure plates 13 on both sides of the second connecting rod 14, two sets of outer fixed rods 16 are disposed inside the mounting plate 4, and the lower ends of the inner fixed rods 17 are located inside the outer fixed rods 16.

In this embodiment, the two sides of the mounting plate 4 are both provided with second mounting holes 18, a fourth spring 19 is mounted inside the second mounting hole 18, one end of the fourth spring 19 is fixedly connected with a moving rod 20, one end of the moving rod 20 is fixedly connected with a moving block 21, the other end of the moving rod 20 is located inside the second mounting hole 18, and the two ends of the lower portion of the upper pressure-resistant plate 13 are located above the side wall of the moving block 21.

The embodiment can realize that: through mutually supporting use between installation layer board 4 that sets up and the installation clamp plate 6, increased the buffering effect between installation layer board 4 and the installation clamp plate 6, can improve the resistance to pressure of device for this device can not cause test fixture to destroy or can not damage the PCB board when the test when using, avoids increasing manufacturing cost, is favorable to in-service use, has better practicality and commonality.

It should be noted that, the utility model relates to a withstand voltage test fixture for PCB, when in use, push the operating rod 5 to make the installation pressing plate 6 move downwards, through the installation pressing plate 6 and the lower pressure-resistant plate 7 that are arranged to cooperate with each other, make the first connecting rod 9 and the first connecting block 10 at the upper end of the lower pressure-resistant plate 7 move up and down inside the first installation hole 8, play the buffering effect of the first step, through the installation supporting plate 4 and the upper pressure-resistant plate 13 that are arranged to cooperate with each other, can make the second connecting rod 14 at the lower end of the upper pressure-resistant plate 13 move up and down inside the installation supporting plate 4, play the buffering effect of the second step, in the process that the upper pressure-resistant plate 13 moves down, move left and right inside the second installation hole 18 through the moving rod 20 that is arranged, and the moving block 21 that is arranged has a moving inclination angle, can play the buffering effect of the third step in the process that the upper pressure-resistant plate 13 moves down, the multiple buffering effect through setting up can improve the resistance to pressure of device, is favorable to in-service use, and the device has better practicality and commonality like this.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a withstand voltage test tool for PCB board, includes installation base (1) and fixed bolster (2), fixed bolster (2) set up the upper end at installation base (1), its characterized in that: the test needle guide device is characterized in that a test needle guide (3) is arranged at the upper end of the installation base (1), the test needle guide (3) is located at the upper end of the installation base (1), an installation supporting plate (4) is installed at the upper end of the test needle guide (3), an operating rod (5) is arranged on one side of the fixed support (2), an installation pressing plate (6) is arranged below the operating rod (5), and the installation pressing plate (6) is located above the installation supporting plate (4).

2. A withstand voltage test fixture for a PCB as claimed in claim 1, wherein: the installation clamp plate is characterized in that a lower pressure-resistant plate (7) is arranged below the installation clamp plate (6), a plurality of groups of first installation holes (8) are formed in the installation clamp plate (6), a plurality of groups of first connecting rods (9) are fixedly connected to the upper end of the lower pressure-resistant plate (7), the upper ends of the first connecting rods (9) are connected with first connecting blocks (10), first springs (11) are installed inside the first installation holes (8) in the two ends of the first connecting blocks (10), and two groups of second springs (12) are installed inside the first installation holes (8) in the two ends of the first connecting blocks (10).

3. A withstand voltage test fixture for a PCB as claimed in claim 2, wherein: the first connecting blocks (10) are located inside the first mounting holes (8), and the lower ends of the first springs (11) are connected with the first connecting blocks (10).

4. A withstand voltage test fixture for a PCB as claimed in claim 1, wherein: the mounting structure is characterized in that an upper pressure-resistant plate (13) is arranged at the upper end of the mounting support plate (4), a second connecting rod (14) is fixedly connected to the middle of the lower end of the upper pressure-resistant plate (13), a third spring (15) is arranged inside the mounting support plate (4), and the upper end of the third spring (15) is connected with the second connecting rod (14).

5. A withstand voltage test fixture for PCB board of claim 4, characterized by that: the lower ends of the pressure-resistant plates (13) on the two sides of the second connecting rod (14) are fixedly connected with two groups of fixed inner rods (17), two groups of fixed outer rods (16) are arranged inside the mounting supporting plate (4), and the lower ends of the fixed inner rods (17) are located inside the fixed outer rods (16).

6. A withstand voltage test fixture for PCB board of claim 4, characterized by that: second mounting holes (18) are formed in two sides of the mounting supporting plate (4), a fourth spring (19) is mounted inside the second mounting holes (18), a moving rod (20) is fixedly connected to one end of the fourth spring (19), a moving block (21) is fixedly connected to one end of the moving rod (20), the other end of the moving rod (20) is located inside the second mounting holes (18), and two ends of the lower portion of the upper pressure-resistant plate (13) are located above the side wall of the moving block (21).