CN215641674U - Collision-preventing PCBA function test fixture - Google Patents

Abstract

The utility model discloses a collision-preventing PCBA function test fixture which comprises a base, wherein a protective box is fixedly arranged at the top of the base, side plates are fixedly arranged on two sides of an inner cavity of the protective box, and a sliding block is movably clamped in the inner cavity of the inner wall of the protective box. According to the utility model, through the arrangement of the damping shock absorber, when the protective box or the transverse plate is collided, the generated impact force can be reduced, and when the protective box or the transverse plate is collided, the transverse plate can drive the third shaft seat to move, and meanwhile, the first limiting shaft can be matched with the supporting telescopic rod to be matched with the second limiting shaft to support, so that the vibration and the impact force can be effectively reduced, the better anti-collision effect and shock absorption performance are achieved, and the problems that the existing test jig is poor in protection performance and mostly has no protection effect, an external object is easy to collide with the test jig in the use process to cause damage of the test jig, and the jig is easy to damage under a severe vibration state are solved.

Description

Collision-preventing PCBA function test fixture

Technical Field

The utility model relates to the technical field of PCBA function test fixtures, in particular to a collision-prevention PCBA function test fixture.

Background

PCB (printed circuit board), the name of Chinese characters is printed circuit board, also known as printed circuit board, is important electronic part, it is the supporter of electronic components, it is the carrier of electronic components electrical connection, PCBA utilizes SMT to go up the part on PCB board, the printed circuit assembly board behind DIP plug-in components, after the installation of PCBA board is accomplished, need carry out the performance test in order to guarantee PCBA's performance, the function test action needs to be accomplished with the help of relevant test fixture, and transmit the test result to the visual interface of computer by the tool, but present test fixture protective properties is relatively poor at present, and do not possess the protective effect mostly, external object easily collides with it and causes its damage in the use, easily cause the tool to damage under violent shock state, reduce its life.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a collision-preventing PCBA function test fixture which has the advantages of good collision-preventing effect and excellent protection effect, and solves the problems that the existing test fixture has poor protection performance, mostly has no protection effect, an external object is easy to collide with the existing test fixture in the use process to cause damage of the existing test fixture, and the fixture is easy to damage in a severe vibration state.

In order to achieve the purpose, the utility model provides the following technical scheme: a PCBA function test fixture for preventing collision comprises a base, a protective box is fixedly arranged at the top of the base, side plates are fixedly arranged on both sides of the inner cavity of the protective box, a slide block is movably clamped in the inner cavity of the inner wall of the protective box, the inner side of the sliding block is fixedly connected with a connecting block, the inner side of the connecting block is fixedly connected with a third shaft seat, the top of the base is fixedly provided with a damping shock absorber, the top of the damping shock absorber is fixedly provided with a supporting plate, a first shaft seat is fixedly arranged on both sides of the top of the supporting plate, a second limiting shaft is rotatably arranged on the top of the first shaft seat, a first limit shaft is rotatably arranged on the inner side of the third shaft seat, a supporting telescopic rod is rotatably arranged on the inner side of the first limit shaft, the bottom of the supporting telescopic rod is rotatably connected with the top of the second limiting shaft, and a transverse plate is fixedly mounted at the top of the third shaft seat.

Preferably, the inner wall at the protective box is established to the equal activity card in both sides of backup pad, the both sides at backup pad top and the inboard equal fixed mounting who is located first axle bed have the limiting plate.

Preferably, the equal fixed mounting in both sides at diaphragm top has the buffer block, the tool body has been placed in the inboard activity that the top of diaphragm just is located the buffer block.

Preferably, the two sides of the top of the protection box are movably clamped with fixing rods, and the bottoms of the fixing rods extend to the inner cavity of the protection box.

Preferably, the both sides of guard box inner chamber and the equal fixed mounting in position that is close to the top have the second axle seat, the inboard rotation of second axle seat installs the pivot, the inboard rotation of pivot installs spacing fixed plate.

Preferably, the front of protective housing is from last to rotating in proper order down and installing first side and opening the door and the second side is opened the door, the equal fixed mounting in front that first side was opened the door and the second side is opened the door has the buffer board.

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

1. according to the utility model, through the arrangement of the damping shock absorber, when the protection box or the transverse plate is collided, the generated impact force can be reduced, and when the protection box or the transverse plate is collided, the transverse plate can drive the third shaft seat to move, and meanwhile, the first limiting shaft can be matched with the supporting telescopic rod to be matched with the second limiting shaft to support, so that the vibration and the impact force can be effectively reduced, the better anti-collision effect and the better shock absorption performance are achieved, the service life of the jig body is effectively prolonged, and the problems that the existing test jig is poor in protection performance, mostly has no protection effect, an external object is easy to collide with the test jig in the use process to cause damage of the test jig, and the jig is easy to damage under a severe vibration state are solved.

2. The jig body arranged in the protective box can be fixed and limited through the limiting fixing plate and the buffer plate, so that shaking is prevented, the jig body cannot be damaged due to external collision, and the probability of damage to the jig body is reduced.

Drawings

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

FIG. 2 is a partial cross-sectional view of the junction of the protective case and the side panel of the present invention;

fig. 3 is a front view of the structure of the present invention.

In the figure: 1. a base; 2. a protective box; 3. a first limit shaft; 4. supporting the telescopic rod; 5. a second limit shaft; 6. a limiting plate; 7. a first shaft seat; 8. a damping shock absorber; 9. a support plate; 10. a transverse plate; 11. a buffer block; 12. a jig body; 13. a limiting fixing plate; 14. fixing the rod; 15. a rotating shaft; 16. a second shaft base; 17. a side plate; 18. a third shaft seat; 19. a slider; 20. connecting blocks; 21. a buffer plate; 22. the first side is opened; 23. the second side opens the door.

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.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, a PCBA function test fixture for preventing collision comprises a base 1, a protective box 2 is fixedly mounted on the top of the base 1, fixing rods 14 are movably clamped on both sides of the top of the protective box 2, the bottoms of the fixing rods 14 extend to the inner cavity of the protective box 2, side plates 17 are fixedly mounted on both sides of the inner cavity of the protective box 2, a slide block 19 is movably clamped on the inner cavity of the inner wall of the protective box 2, a connecting block 20 is fixedly connected to the inner side of the slide block 19, a third shaft seat 18 is fixedly connected to the inner side of the connecting block 20, a damping shock absorber 8 is fixedly mounted on the top of the base 1, a support plate 9 is fixedly mounted on the top of the damping shock absorber 8, a first shaft seat 7 is fixedly mounted on both sides of the top of the support plate 9, a second limit shaft 5 is rotatably mounted on the top of the first shaft seat 7, both sides of the support plate 9 are movably clamped on the inner wall of the protective box 2, limit plates 6 are fixedly mounted on both sides of the top of the support plate 9 and positioned on the inner side of the first shaft seat 7, a first limiting shaft 3 is rotatably arranged on the inner side of a third shaft seat 18, a supporting telescopic rod 4 is rotatably arranged on the inner side of the first limiting shaft 3, the bottom of the supporting telescopic rod 4 is rotatably connected with the top of a second limiting shaft 5, a transverse plate 10 is fixedly arranged on the top of the third shaft seat 18, buffer blocks 11 are fixedly arranged on two sides of the top of the transverse plate 10, jig bodies 12 are movably arranged on the top of the transverse plate 10 and positioned on the inner side of the buffer blocks 11, second shaft seats 16 are fixedly arranged on two sides of an inner cavity of the protective box 2 and close to the top of the inner cavity, a rotating shaft 15 is rotatably arranged on the inner side of the second shaft seats 16, a limiting fixing plate 13 is rotatably arranged on the inner side of the rotating shaft 15, a first side opening door 22 and a second side opening door 23 are rotatably arranged on the front of the protective box 2 from top to bottom in sequence, buffer plates 21 are fixedly arranged on the front of the first side opening door 22 and the front of the second side opening door 23, and the jig bodies 12 arranged in the protective box 2 can be fixed and limited by the limiting fixing plate 13 and the buffer plates 21, the shaking is prevented, the tool body 12 is not damaged by external collision, the probability of the tool body 12 being damaged is reduced, and through the arrangement of the damping shock absorber 8, when the protective box 2 or the transverse plate 10 is collided, the impact force generated can be reduced, and the transverse plate 10 can drive the third shaft seat 18 to move when the protective box is collided, meanwhile, the first limiting shaft 3 is matched with the supporting telescopic rod 4 and the second limiting shaft 5 for supporting, and can effectively reduce vibration and impact force, has better anti-collision effect and shock absorption performance, effectively prolongs the service life of the jig body 12, simultaneously solves the problems that the prior test fixture has poor protection performance and mostly has no protection effect, the problem that the fixture is easily damaged in a violent vibration state because an external object easily collides with the fixture in the using process.

All the components in the utility model are universal standard components or components known by those skilled in the art, the structure and principle of the components can be known by technical manuals or conventional experimental methods, meanwhile, the standard components used in the application document can be purchased from the market, the components in the application document can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each component adopts the conventional means of mature bolts, rivets, welding and the like in the prior art, the machinery, the components and equipment adopt the conventional models in the prior art, the control mode is automatically controlled through a controller, the control circuit of the controller can be realized through simple programming of those skilled in the art, the components belong to the common knowledge in the art, and the application document is mainly used for protecting mechanical devices, so the detailed explanation of the control mode and circuit connection is omitted, no specific description will be made herein.

During the use, receive the collision at guard box 2 outside or diaphragm 10, produced impact force can be slowed down to damping shock absorber 8, and when receiving the collision, diaphragm 10 can drive third axle bed 18 and move about, first spacing axle 3 can cooperate to support telescopic link 4 and the spacing axle 5 of second and cooperate and support simultaneously, and can effectually slow down vibration and impact force, better anticollision effect and damping performance have been played, the effectual life who improves tool body 12, spacing fixed plate 13 and buffer plate 21 can fix spacing to the tool body 12 of placing in guard box 2, prevent to take place to rock, can not cause the damage to tool body 12 because of external collision, the impaired probability of tool body 12 has been reduced.

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 (6)

1. The utility model provides a PCBA functional test tool of collision prevention, includes base (1), its characterized in that: the top of the base (1) is fixedly provided with a protective box (2), two sides of an inner cavity of the protective box (2) are respectively and fixedly provided with a side plate (17), an inner cavity of the inner wall of the protective box (2) is movably clamped with a sliding block (19), the inner side of the sliding block (19) is fixedly connected with a connecting block (20), the inner side of the connecting block (20) is fixedly connected with a third shaft seat (18), the top of the base (1) is fixedly provided with a damping shock absorber (8), the top of the damping shock absorber (8) is fixedly provided with a supporting plate (9), two sides of the top of the supporting plate (9) are respectively and fixedly provided with a first shaft seat (7), the top of the first shaft seat (7) is rotatably provided with a second limiting shaft (5), the inner side of the third shaft seat (18) is rotatably provided with a first limiting shaft (3), the inner side of the first limiting shaft (3) is rotatably provided with a supporting telescopic rod (4), the bottom of the supporting telescopic rod (4) is rotatably connected with the top of the second limiting shaft (5), and a transverse plate (10) is fixedly mounted at the top of the third shaft seat (18).

2. The PCBA function test fixture for preventing collision as recited in claim 1, wherein: the inner wall at protective housing (2) is established to the equal activity card in both sides of backup pad (9), the equal fixed mounting in inboard that the both sides at backup pad (9) top just are located primary shaft seat (7) has limiting plate (6).

3. The PCBA function test fixture for preventing collision as recited in claim 1, wherein: the fixture is characterized in that buffer blocks (11) are fixedly mounted on two sides of the top of the transverse plate (10), and fixture bodies (12) are movably arranged on the top of the transverse plate (10) and located on the inner sides of the buffer blocks (11).

4. The PCBA function test fixture for preventing collision as recited in claim 1, wherein: the protection box is characterized in that fixing rods (14) are movably clamped on two sides of the top of the protection box (2), and the bottoms of the fixing rods (14) extend to the inner cavity of the protection box (2).

5. The PCBA function test fixture for preventing collision as recited in claim 1, wherein: the both sides of protective housing (2) inner chamber and the equal fixed mounting in position that is close to the top have second shaft seat (16), pivot (15) are installed in the inboard rotation of second shaft seat (16), spacing fixed plate (13) are installed in the inboard rotation of pivot (15).

6. The PCBA function test fixture for preventing collision as recited in claim 1, wherein: the front of protective housing (2) is from last to rotating in proper order down and installing first side and opening door (22) and second side and opening door (23), the equal fixed mounting in front that first side opened door (22) and second side opened door (23) has buffer board (21).

Images