CN218974510U

CN218974510U - Test board fixing device

Info

Publication number: CN218974510U
Application number: CN202223077921.7U
Authority: CN
Inventors: 向莎
Original assignee: Beijing Xinyi Technology Co ltd
Current assignee: Beijing Xinyi Technology Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-05-05
Anticipated expiration: 2032-11-21

Abstract

The utility model provides a test board fixing device, which relates to the technical field of test board fixing devices and comprises a fixing frame, wherein the bottom of the fixing frame is fixedly connected with a base, one side of the fixing frame is provided with a first positive motor and a second positive motor, one end of a rotating shaft of the first positive motor is fixedly connected with a threaded rod, the surface of the threaded rod is in threaded connection with a first threaded block in a penetrating manner, the side surface of the first threaded block is fixedly connected with a second pushing block, one end of a rotating shaft of the second positive motor is fixedly connected with a bidirectional threaded rod, the surface of the bidirectional threaded rod is in threaded connection with a second threaded block in a penetrating manner, the side surface of the second threaded block is fixedly connected with a first pushing block, and the problem that an operator can backwards move a test board due to elasticity of the elastic part when a holding hook is fixed is solved, so that the test board is deviated, and if the test board is completely fixed, the holding hook is extremely high in pressure, the test board is likely to be damaged.

Description

Test board fixing device

Technical Field

The utility model belongs to the technical field of test board fixing devices, and particularly relates to a test board fixing device.

Background

The test board is generally a PCB test board, is a printed circuit board, and can replace complex wiring in electrical components, thereby being used as a carrier to realize electrical connection among components in a circuit, simplifying the assembly of electronic products, reducing the volume of the whole machine and improving the quality and reliability of electronic equipment.

The Chinese patent application number is: CN209841921U, a PCB board test fixing device, the device adjusts the relative position of staple bolt through the slider, can satisfy the fixed demand of not equidimension's PCB board, adjust the distance of staple bolt and riser through the lead screw is rotatory, can satisfy the fixed demand of PCB board of different thickness, however the device is fixed the test board through two staple bolts only, because the elastic part on the riser, when the staple bolt is fixed, the operating personnel is hard then can make the test board backward movement because of the elasticity of elastic part, thereby make the test board take place the skew, if the test board is fixed completely, then the too big probability of pressure of staple bolt causes the damage to the test board.

Accordingly, in view of the above, the present utility model provides a test board fixing device for achieving a more practical value.

Disclosure of Invention

In order to solve the above-mentioned technical problems, the present utility model provides a test board fixing device to solve the above-mentioned problems.

The utility model provides a test board fixing device, includes the mount, the bottom fixedly connected with base of mount, one side of mount is provided with positive and negative motor first and positive and negative motor second, the one end fixedly connected with threaded rod of positive and negative motor rotation axis, threaded rod's surface through-thread connection has screw thread piece first, screw thread piece first's side fixedly connected with promotes piece second, the one end bottom fixedly connected with clamp plate of promotion piece second, the one end fixedly connected with two-way threaded rod of positive and negative motor second axis of rotation, the surface through fixedly connected with screw thread piece second of two-way threaded rod, screw thread piece second's side fixedly connected with promotes piece first, the one end side fixedly connected with half arc splint of promotion piece first, the below of clamp plate is provided with clamping structure.

Further, the clamping structure comprises a first base clamping plate and a second base clamping plate, soft cushions are fixedly connected to the inner sides of the first base clamping plate and the second base clamping plate, the bottom of the first base clamping plate is fixedly connected to the top of the base, T-shaped sliding blocks are fixedly connected to the bottoms of the two ends of the second base clamping plate, the base is located at the top of the two ends of the second base clamping plate, T-shaped sliding grooves are formed in the tops of the two ends of the second base clamping plate, the side faces of the T-shaped sliding blocks are slidably connected to the inner walls of the T-shaped sliding grooves, springs are fixedly connected to one sides of the T-shaped sliding blocks, the other ends of the springs are fixedly connected to the side faces of the inner walls of the T-shaped sliding grooves, and pull blocks are fixedly connected to one sides of the second base clamping plate, which is far away from the soft cushions.

Further, sliding grooves are formed in the side faces of the first pushing block and the second pushing block, and the side faces of the first pushing block and the second pushing block are connected to the inner wall of the sliding grooves in a sliding mode.

Further, the inner side of the semi-arc clamping plate is fixedly connected with an arc cushion, the center of the inner side of the semi-arc clamping plate is fixedly connected with a pressure-sensitive sheet II in a penetrating mode, the bottom of the pressing plate is fixedly connected with a cushion II, and the center of the bottom of the pressing plate is fixedly connected with a pressure-sensitive sheet I in a penetrating mode.

Further, the side fixedly connected with fixed plate two of mount, the both ends of two-way threaded rod run through respectively and rotate and connect on the side of two fixed plates two, two screw thread piece two's direction of motion is opposite, the side fixedly connected with fixed block of positive and negative motor two, one side fixed connection of fixed block is on the side of fixed plate two.

Further, the bottom fixedly connected with fixed plate one of positive and negative motor one, positive and negative motor one end of a rotation axle runs through and rotates to be connected on the top of fixed plate one, the bottom of threaded rod runs through and rotates to be connected with the bottom plate, the side fixed connection of bottom plate is on the side of mount.

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

according to the utility model, the first positive and negative motors and the second positive and negative motors are arranged, so that the semi-arc clamping plate and the pressing plate can be controlled to move transversely and longitudinally, the test plate can be better fixed by the semi-arc clamping plate and the pressing plate, the test plate can be better fixed by the semi-arc design on the inner side of the semi-arc clamping plate, and the test plate with different thickness can be clamped and fixed under the action of the T-shaped sliding block and the spring by the second base clamping plate.

According to the utility model, the first pressure-sensitive sheet and the second pressure-sensitive sheet are arranged, so that the semi-arc clamping plate and the pressing plate can be prevented from excessively clamping and fixing the test plate, the test plate is damaged, and the arc soft cushion, the first soft cushion and the second soft cushion are arranged, so that the test plate is protected, and the friction force is increased, so that the test plate is better wrapped and fixed.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram illustrating the overall structure of the present utility model.

FIG. 3 is a schematic view of the structure of the utility model at A.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a positive and negative motor I; 2. a first fixing plate; 3. a fixing frame; 4. a second fixing plate; 5. pushing the first block; 6. a semi-arc splint; 7. a base clamping plate I; 8. pushing the second block; 9. an arc-shaped soft cushion; 10. a base; 11. pulling blocks; 12. a threaded rod; 13. a first thread block; 14. a two-way threaded rod; 15. a second thread block; 16. a soft cushion I; 17. a base clamping plate II; 18. a T-shaped slider; 19. a positive and negative motor II; 20. a fixed block; 21. a pressing plate; 22. a first pressure-sensitive sheet; 23. a second cushion; 24. a spring; 25. a second pressure-sensitive sheet; 26. a bottom plate.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1-3, the utility model provides a test board fixing device, which comprises a fixing frame 3, wherein the bottom of the fixing frame 3 is fixedly connected with a base 10, one side of the fixing frame 3 is provided with a positive motor I and a negative motor II 19, one end of a rotating shaft of the positive motor I is fixedly connected with a threaded rod 12, the surface of the threaded rod 12 is in threaded connection with a threaded block I13, the side surface of the threaded block I13 is fixedly connected with a pushing block II 8, one end bottom of the pushing block II 8 is fixedly connected with a pressing plate 21, one end of a rotating shaft of the positive motor II 19 is fixedly connected with a bidirectional threaded rod 14, the surface of the bidirectional threaded rod 14 is in threaded connection with a threaded block II 15 in a penetrating manner, the side surface of the threaded block II 15 is fixedly connected with a pushing block I5, one end side surface of the pushing block I5 is fixedly connected with a semi-arc clamping plate 6, and a clamping structure is arranged below the pressing plate 21, so that the test board can be fixed in all directions.

As one implementation mode of the utility model, the clamping structure comprises a first base clamping plate 7 and a second base clamping plate 17, wherein the inner sides of the first base clamping plate 7 and the second base clamping plate 17 are fixedly connected with a first soft cushion 16, the bottom of the first base clamping plate 7 is fixedly connected to the top of the first base 10, the bottoms of the two ends of the second base clamping plate 17 are fixedly connected with T-shaped sliding blocks 18, the tops of the two ends of the second base clamping plate 17, which are positioned on the base 10, are provided with T-shaped sliding grooves, the side surfaces of the T-shaped sliding blocks 18 are slidably connected to the inner walls of the T-shaped sliding grooves, one side of each T-shaped sliding block 18 is fixedly connected with a spring 24, the other end of each spring 24 is fixedly connected to the side surface of the inner wall of each T-shaped sliding groove, and one side, which is far away from the first soft cushion 16, of each second base clamping plate 17 is fixedly connected with a pull block 11, so that a test board can be better stabilized.

As an implementation mode of the utility model, sliding grooves are formed on the side surfaces of the fixed frame 3, which are positioned at the first pushing block 5 and the second pushing block 8, the side surfaces of the first pushing block 5 and the second pushing block 8 are connected to the inner wall of the sliding grooves in a sliding manner, and the stability of the first pushing block 5 and the second pushing block 8 is improved.

As one implementation mode of the utility model, the inner side of the semi-arc clamping plate 6 is fixedly connected with an arc cushion 9, the center of the inner side of the semi-arc clamping plate 6 is fixedly connected with a pressure-sensitive sheet II 25 in a penetrating manner, the bottom of the pressing plate 21 is fixedly connected with a cushion II 23, the center of the bottom of the pressing plate 21 is fixedly connected with a pressure-sensitive sheet I22 in a penetrating manner, and the device is prevented from excessively extruding the test board.

As an implementation mode of the utility model, the side face of the fixing frame 3 is fixedly connected with the second fixing plate 4, two ends of the bidirectional threaded rod 14 are respectively connected to the side faces of the second fixing plate 4 in a penetrating and rotating mode, the moving directions of the second threaded blocks 15 are opposite, the side face of the second positive and negative motor 19 is fixedly connected with the fixing block 20, one side of the fixing block 20 is fixedly connected to the side face of the second fixing plate 4, and stability of the bidirectional threaded rod 14 and the second positive and negative motor 19 is improved.

As an implementation mode of the utility model, the bottom of the positive and negative motor I1 is fixedly connected with the fixed plate I2, one end of the rotating shaft of the positive and negative motor I1 is penetrated and rotatably connected to the top of the fixed plate I2, the bottom end of the threaded rod 12 is penetrated and rotatably connected with the bottom plate 26, the side surface of the bottom plate 26 is fixedly connected to the side surface of the fixed frame 3, and the stability of the positive and negative motor I1 and the threaded rod 12 is increased.

Specific use and action of the embodiment:

in the utility model, when the device is used, the base clamping plate II 17 is pulled to move outwards through the pulling block 11, so that the spring 24 is deformed, then the test board is placed between the two soft cushions I16, the pulling block 11 is slowly loosened, the spring 24 is reset under the action of elastic force, so that the base clamping plate II 17 is driven to clamp the test board, after the clamping is finished, the positive and negative motor II 19 is started, the positive and negative motor II 19 drives the bidirectional threaded rod 14 to rotate, so that the two threaded blocks II 15 and the semi-arc clamping plate 6 are driven to move towards the middle together, when the arc soft cushion 9 is deformed, the positive and negative motor II 19 is stopped, then the positive and negative motor I1 is started, the threaded rod 12 is driven to rotate, so that the threaded block I13 and the pressing plate 21 are driven to move downwards, when the soft cushion II 23 is deformed, the positive and negative motor II 19 is stopped to move when the test board touches the pressure sensitive plate II 22 and the pressure sensitive plate II 25, so that the positive and negative motor II 19 can stop moving, and the semi-arc clamping plate 6 and the pressing plate 21 can be prevented from excessively damaging the test board.

When the test board needs to be removed, the first positive motor 1 and the second positive motor 19 can be started to perform reverse movement, so that the pressing plate 21 moves upwards, the two semi-arc clamping plates 6 move outwards in opposite directions, and then the pulling block 11 is pulled, so that the test board can be removed.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Test board fixing device, including mount (3), its characterized in that: the utility model discloses a motor structure, including fixing frame (3), positive and negative motor, fixed frame (3), screw rod (12) are fixed on the bottom fixedly connected with base (10), one side of fixing frame (3) is provided with positive and negative motor (1) and positive and negative motor (19), the one end fixedly connected with threaded rod (12) of positive and negative motor (1) axis of rotation, the surface of threaded rod (12) runs through threaded connection and has screw block one (13), the side fixedly connected with of screw block one (13) promotes piece two (8), the one end bottom fixedly connected with clamp plate (21) of promote piece two (8), the one end fixedly connected with two-way threaded rod (14) of positive and negative motor (19) axis of rotation, the surface of two-way threaded rod (14) runs through fixedly connected with screw block two (15), the side fixedly connected with of screw block two (15) promotes piece one end side fixedly connected with half arc splint (6), the below of clamp plate (21) is provided with clamping structure.

2. A test plate fixture as defined in claim 1, wherein: the clamping structure comprises a first base clamping plate (7) and a second base clamping plate (17), soft cushions (16) are fixedly connected to the inner sides of the first base clamping plate (7) and the second base clamping plate (17), the bottom of the first base clamping plate (7) is fixedly connected to the top of a base (10), T-shaped sliding blocks (18) are fixedly connected to the bottoms of the two ends of the second base clamping plate (17), T-shaped sliding grooves are formed in the tops of the two ends of the second base clamping plate (17) of the base (10), the side faces of the T-shaped sliding blocks (18) are slidably connected to the inner walls of the T-shaped sliding grooves, springs (24) are fixedly connected to the side faces of the inner walls of the T-shaped sliding grooves, and pull blocks (11) are fixedly connected to one side, far away from the soft cushions (16), of the second base clamping plate (17).

3. A test plate fixture as defined in claim 1, wherein: the side surfaces of the fixing frame (3) positioned at the first pushing block (5) and the second pushing block (8) are provided with sliding grooves, and the side surfaces of the first pushing block (5) and the second pushing block (8) are slidably connected to the inner walls of the sliding grooves.

4. A test plate fixture as defined in claim 1, wherein: the inner side of the semi-arc clamping plate (6) is fixedly connected with an arc cushion (9), the center of the inner side of the semi-arc clamping plate (6) is penetrated and fixedly connected with a pressure-sensitive sheet II (25), the bottom of the pressing plate (21) is fixedly connected with a cushion II (23), and the center of the bottom of the pressing plate (21) is penetrated and fixedly connected with a pressure-sensitive sheet I (22).

5. A test plate fixture as defined in claim 1, wherein: the side fixedly connected with fixed plate two (4) of mount (3), the both ends of two-way threaded rod (14) run through respectively and rotate and connect on the side of two fixed plates two (4), two the direction of motion of screw thread piece two (15) is opposite, the side fixedly connected with fixed block (20) of positive and negative motor two (19), one side fixedly connected with of fixed block (20) is on the side of fixed plate two (4).

6. A test plate fixture as defined in claim 1, wherein: the bottom of positive and negative motor one (1) fixedly connected with fixed plate one (2), the one end of positive and negative motor one (1) axis of rotation runs through and rotates to be connected on the top of fixed plate one (2), the bottom of threaded rod (12) runs through and rotates to be connected with bottom plate (26), the side fixed connection of bottom plate (26) is on the side of mount (3).