CN216350809U

CN216350809U - Extensive applicability's test fixture frock for circuit board

Info

Publication number: CN216350809U
Application number: CN202122409262.1U
Authority: CN
Inventors: 李黎明; 崔红; 杨帆; 张新慧
Original assignee: Desaikang Technology Shenzhen Co ltd
Current assignee: Desaikang Technology Shenzhen Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-04-19
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a test fixture tool for a circuit board with wide applicability, and relates to the technical field of circuit board testing. The improved structure of the anti-theft door is characterized by comprising a base plate, the upper surface of the base plate is rectangular, a buffering mechanism is installed, the upper surface of the buffering mechanism is fixedly provided with a rectangular box, a placing plate is installed between the inner walls of the rectangular box through a locking mechanism, the left side wall and the right side wall of the rectangular box are close to the lower side position and are provided with sealing plates through a first adjusting mechanism, the left side wall and the right side wall of the rectangular box are close to the upper side and are provided with first limiting plates through a second adjusting mechanism, and the front side and the rear side of each first limiting plate are provided with second limiting plates through first locking bolts. The circuit board positioning device is convenient for quickly positioning the circuit board, is firmer and quicker in adsorption and clamping, can meet the use requirements of circuit boards with different sizes and specifications, is wider in applicability, is added with a buffer protection function, enables a test probe not to easily damage the circuit board, and is safer to use.

Description

Extensive applicability's test fixture frock for circuit board

Technical Field

The utility model relates to the technical field of circuit board testing, in particular to a test fixture tool for a circuit board, which is wide in applicability.

Background

The circuit board is the electron electrical apparatus field and the part that uses frequently thereof, and the wide application is in equipment such as cell-phone, notebook computer, and is crucial for electric component, consequently just provides fairly strict requirement to integrated circuit board's operating mode condition, in the circuit board production process, needs test the circuit board, but the test fixture frock for current circuit board still has following problem when using:

1. in the prior art, in order to test a circuit board quickly and accurately through a probe, the circuit board needs to be clamped and fixed, but the existing test fixture needs to consume a large amount of time in the clamping process and cannot meet the test use of circuit boards with various sizes;

2. in the prior art, the test fixture has no buffer protection effect, and when the probe is in contact with the circuit board, the probe easily impacts the circuit board, so that the circuit board is damaged, and the use is unsafe.

SUMMERY OF THE UTILITY MODEL

The utility model provides a test fixture tool for a circuit board, which has wide applicability, has the advantages of quickly limiting and placing the circuit board, being capable of meeting the use requirements of circuit boards with different sizes, having wider applicability and increasing the buffer protection function, and solves the problems that the test fixture needs to consume a large amount of time in the clamping process, cannot meet the test use requirements of circuit boards with various sizes, does not have the buffer protection effect and is unsafe to use.

In order to realize the purposes of quickly limiting and placing the circuit board, meeting the use requirements of circuit boards with different sizes and specifications, having wider applicability and increasing the buffer protection function, the utility model provides the following technical scheme: a test fixture tool for a circuit board with wide applicability comprises a bottom plate, wherein a buffer mechanism is arranged on the upper surface of the bottom plate in a rectangular manner, a rectangular box is fixedly arranged on the upper surface of the buffer mechanism, the upper surface of the rectangular box is of an opening structure, a placing plate is arranged between the inner walls of the rectangular box through a locking mechanism, the placing plate is evenly provided with through holes, the positions of the left side wall and the right side wall of the rectangular box close to the lower side are both provided with a sealing plate through a first adjusting mechanism, the front side, the rear side, the upper side and the lower side of the sealing plate are attached to the inner wall of the rectangular box and the lower surface of the placing plate, the front side of the rectangular box is provided with an air inlet joint and an air outlet joint at the lower side of the placing plate, the left side wall and the right side wall of the rectangular box are both provided with a first limit plate close to the upper side through a second adjusting mechanism, and the front side surface and the rear side surface of the first limiting plate are provided with second limiting plates through first locking bolts.

As a preferred technical scheme of the present invention, the buffer mechanism includes a rectangular sleeve, a spring, a first hinge member, a connecting rod, and a second hinge member, the rectangular sleeve is mounted on the upper surface of the base plate, the upper surface of the rectangular sleeve is of an open structure, the springs are fixedly mounted on the left and right inner walls of the rectangular sleeve, the first hinge member is mounted on the opposite side surfaces of the left and right springs, the first hinge member is connected to the second hinge member through the connecting rod, and the second hinge member is mounted on the lower surface of the rectangular box.

In a preferred embodiment of the present invention, the front and rear side surfaces of the first hinge member and the second hinge member are in contact with the front and rear side walls of the rectangular sleeve.

As a preferable technical scheme of the utility model, the locking mechanism comprises a rectangular frame and a second locking bolt, the rectangular frame is arranged between the inner walls of the rectangular box, and the rectangular frame is locked and fixed with the placing plate through the second locking bolt.

As a preferable technical scheme of the present invention, the first adjusting mechanism includes a bolt bar and a rotary table, the bolt bar is threadedly mounted on the side wall of the rectangular box, and the bolt bar is fixedly connected with the sealing plate through the rotary table.

As a preferred technical scheme of the utility model, the second adjusting mechanism comprises a rectangular rod and a third locking bolt, the rectangular rod is mounted on the side wall of the rectangular box through the third locking bolt, and the rectangular rod is fixedly connected with the first limiting plate.

Compared with the prior art, the utility model provides the test fixture tool for the circuit board, which has wide applicability and has the following beneficial effects:

1. this extensive applicability's test fixture frock for circuit board removes about driving first limiting plate through setting up second adjustment mechanism, and rethread second limiting plate back-and-forth movement is convenient for carry out spacing placing to the circuit board fast, and rethread first adjustment mechanism drives the closing plate and removes about, reaches the effect of adjusting the through-hole area, can adsorb fast fixedly to the circuit board lower surface through the through-hole, can satisfy the circuit board use of different size specifications, and the suitability is wider.

2. This extensive applicability's test fixture frock for circuit board makes the rectangle case have buffering shock-absorbing function through setting up buffer gear, and the rectangle case makes places the board and has buffering shock-absorbing function, increases the buffering safeguard function of circuit board, makes the difficult damage circuit board of test probe, uses safelyr.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a cushioning mechanism of the present invention;

FIG. 3 is a cross-sectional view of a rectangular box of the present invention;

fig. 4 is a top view of the placement board of the present invention.

In the figure: 1. a base plate; 2. a buffer mechanism; 201. a rectangular sleeve; 202. a spring; 203. a first hinge member; 204. a connecting rod; 205. a second hinge member; 3. a rectangular box; 4. a locking mechanism; 401. a rectangular frame; 402. a second locking bolt; 5. placing the plate; 6. a through hole; 7. a first adjustment mechanism; 701. a bolt shank; 702. a turntable; 8. a sealing plate; 9. an air inlet joint; 10. an air outlet joint; 11. a second adjustment mechanism; 111. a rectangular bar; 112. a third locking bolt; 12. a first limit plate; 13. a first locking bolt; 14. and a second limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the utility model discloses a test fixture tool for a circuit board with wide applicability, which comprises a bottom plate 1, wherein a buffer mechanism 2 is installed on the upper surface of the bottom plate 1 in a rectangular shape, a rectangular box 3 is fixedly installed on the upper surface of the buffer mechanism 2, the upper surface of the rectangular box 3 is in an open structure, a placing plate 5 is installed between the inner walls of the rectangular box 3 through a locking mechanism 4, the placing plate 5 is divided into an upper layer and a lower layer, the lower layer of the placing plate 5 is a metal plate, a rubber pad is fixedly adhered on the upper surface of the metal plate, so that the circuit board is stably placed and is not easily scratched, through holes 6 are uniformly formed in the placing plate 5, sealing plates 8 are installed on the left side wall and the right side wall of the rectangular box 3 close to the lower side through first adjusting mechanisms 7, and the front side, the rear side, the upper side, the lower side and the lower side of each sealing plate 8 are adhered to the inner wall of the rectangular box 3 and the lower surface of the placing plate 5, the leading flank of rectangle case 3 is located places 5 downside of board and is provided with air inlet joint 9 and gives vent to anger and connect 10, the lateral wall all installs first limiting plate 12 through second adjustment mechanism 11 near the upside about rectangle case 3, second limiting plate 14 is all installed through first locking bolt 13 to the side around first limiting plate 12.

Specifically, the buffer gear 2 includes a rectangular sleeve 201, a spring 202, a first hinge member 203, a connecting rod 204 and a second hinge member 205, the rectangular sleeve 201 is mounted on the upper surface of the base plate 1, the upper surface of the rectangular sleeve 201 is of an open structure, the spring 202 is fixedly mounted on the left inner wall and the right inner wall of the rectangular sleeve 201, the first hinge member 203 is mounted on the opposite side surfaces of the left spring 202 and the right spring 202, the first hinge member 203 is connected with the second hinge member 205 through the connecting rod 204, and the second hinge member 205 is mounted on the lower surface of the rectangular box 3.

In this embodiment, the spring 202 makes the second hinge 205 have a damping function through the first hinge 203 and the connecting rod 204, and the second hinge 205 increases the damping effect of the rectangular box 3.

Specifically, the front and rear sides of the first hinge member 203 and the second hinge member 205 contact the front and rear sidewalls of the rectangular sleeve 201.

In this embodiment, the first hinge member 203 can be stably moved left and right in the rectangular sleeve 201, and the second hinge member 205 can be stably moved up and down in the rectangular sleeve 201, so that the buffering process is more stable.

Specifically, the locking mechanism 4 comprises a rectangular frame 401 and a second locking bolt 402, the rectangular frame 401 is installed between the inner walls of the rectangular box 3, and the rectangular frame 401 is locked and fixed with the placing plate 5 through the second locking bolt 402.

In this embodiment, the second locking bolt 402 locks and fixes the rectangular frame 401 and the placing plate 5, so that the placing plate 5 can be conveniently disassembled and assembled, and the first adjusting mechanism 7 and the sealing plate 8 can also be conveniently disassembled and assembled.

Specifically, the first adjusting mechanism 7 includes a bolt rod 701 and a rotating disc 702, the bolt rod 701 is installed on the side wall of the rectangular box 3 in a threaded manner, and the bolt rod 701 is fixedly connected with the sealing plate 8 through the rotating disc 702.

In this embodiment, the bolt rod 701 moves left and right on the side wall of the rectangular box 3, and the bolt rod 701 drives the sealing plate 8 to move left and right through the turntable 702, so that the area of the through hole 6 is adjusted by the sealing plate 8.

Specifically, the second adjusting mechanism 11 includes a rectangular rod 111 and a third locking bolt 112, the rectangular rod 111 is installed on the side wall of the rectangular box 3 through the third locking bolt 112, and the rectangular rod 111 is fixedly connected with the first limiting plate 12.

In this embodiment, the third locking bolt 112 is fixed in rectangular rod 111 on the 3 lateral walls of rectangle case with rectangular rod 111 locking, and the rectangle rod 111 moves about and drives first limiting plate 12 and move about and adjust, can satisfy the spacing use of multiple specification circuit board.

The working principle and the using process of the utility model are as follows: when the vacuum pumping device is used, according to the size specification of a circuit board, the rectangular rod 111 in the second adjusting mechanism 11 moves left and right, the rectangular rod 111 and the side wall of the rectangular box 3 are locked and fixed by the third locking bolt 112, the effect of adjusting the space between the left and right first limiting plates 12 is achieved, the front and back positions of the second limiting plate 14 are adjusted by the first locking bolt 13, the left and right first limiting plates 12 and the front and back second limiting plates 14 limit the peripheral side surfaces of the circuit board, the circuit board is conveniently and quickly placed, the bolt rod 701 moves left and right on the side wall of the rectangular box 3 in the first adjusting mechanism 7, the bolt rod 701 drives the sealing plate 8 to move left and right through the turntable 702, the sealing plate 8 is enabled to adjust the area size of the through hole 6, the vacuum pump is connected with an external vacuum pump through the air outlet joint 10, and the vacuum pump vacuumizes the area between the inner wall of the lower side of the rectangular box 3 and the lower surface of the placing plate 5 and the left and right sealing plates 8, through-hole 6 through placing 5 upper surfaces of board adsorbs the fixed with the circuit board lower surface, air inlet joint 9 makes the air admission rectangle incasement 3, then through-hole 6 loosens the circuit board, can satisfy the circuit board use of different dimensions, the suitability is wider, in the test process, probe downwardly moving and circuit board upper surface contact, spring 202 makes second articulated elements 205 buffer function through first articulated elements 203 and connecting rod 204 in buffer gear 2, second articulated elements 205 increases rectangle case 3's buffering shock attenuation effect, increase the buffering safeguard function of circuit board, make the difficult damage circuit board of test probe, use safelyr.

To sum up, this extensive applicability's test fixture frock for circuit board is convenient for carry on spacingly to the circuit board fast and places, adsorbs the centre gripping more firmly fast, can satisfy the circuit board use of different dimensions, and the suitability is wider, increases buffering safeguard function, makes the difficult damage circuit board of test probe, uses safelyr.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a extensive applicability's test fixture frock for circuit board, includes bottom plate (1), its characterized in that: the upper surface of the bottom plate (1) is rectangular and provided with a buffer mechanism (2), the upper surface of the buffer mechanism (2) is fixedly provided with a rectangular box (3), the upper surface of the rectangular box (3) is of an open structure, a placing plate (5) is arranged between the inner walls of the rectangular box (3) through a locking mechanism (4), through holes (6) are uniformly formed in the placing plate (5), the positions, close to the lower side, of the left side wall and the right side wall of the rectangular box (3) are respectively provided with a sealing plate (8) through a first adjusting mechanism (7), the front side, the rear side, the upper side and the lower side of each sealing plate (8) are respectively attached to the inner wall of the rectangular box (3) and the lower surface of the placing plate (5), the front side of the rectangular box (3) is provided with an air inlet joint (9) and an air outlet joint (10) at the lower side of the placing plate (5), the left side wall and the right side wall of the rectangular box (3) are respectively provided with a first limiting plate (12) through a second adjusting mechanism (11) at the upper side close to the upper side, and the front side and the rear side of the first limiting plate (12) are provided with second limiting plates (14) through first locking bolts (13).

2. The extensive applicability's test fixture frock for circuit board of claim 1, its characterized in that: buffer gear (2) include rectangle cover (201), spring (202), first articulated elements (203), connecting rod (204) and second articulated elements (205), the installation in bottom plate (1) upper surface of rectangle cover (201), and the upper surface of rectangle cover (201) is open structure, equal fixed mounting has spring (202) on the inner wall about rectangle cover (201), and controls spring (202) side that faces mutually and all install first articulated elements (203), be connected with second articulated elements (205) through connecting rod (204) between first articulated elements (203), second articulated elements (205) are installed in rectangle case (3) lower surface.

3. The extensive applicability's test fixture frock for circuit board of claim 2, its characterized in that: the front side and the back side of the first hinge piece (203) and the second hinge piece (205) are contacted with the front side and the back side of the rectangular sleeve (201).

4. The extensive applicability's test fixture frock for circuit board of claim 1, its characterized in that: the locking mechanism (4) comprises a rectangular frame (401) and a second locking bolt (402), the rectangular frame (401) is installed between the inner walls of the rectangular box (3), and the rectangular frame (401) is locked and fixed with the placing plate (5) through the second locking bolt (402).

5. The extensive applicability's test fixture frock for circuit board of claim 1, its characterized in that: the first adjusting mechanism (7) comprises a bolt rod (701) and a rotary table (702), the bolt rod (701) is installed on the side wall of the rectangular box (3) in a threaded mode, and the bolt rod (701) is fixedly connected with the sealing plate (8) through the rotary table (702).

6. The extensive applicability's test fixture frock for circuit board of claim 1, its characterized in that: second adjustment mechanism (11) include rectangle pole (111) and third locking bolt (112), rectangle pole (111) are installed on the lateral wall of rectangle case (3) through third locking bolt (112), rectangle pole (111) and first limiting plate (12) fixed connection.