Pin clamping device

Abstract

The utility model relates to the field of connector assembly, and discloses a pin clamping device, which comprises an elastic pressing sheet, a lower fixing seat and an upper pressing plate, the upper pressing plate is rotatably arranged on the lower fixing seat, the elastic pressing sheet is arranged on the lower fixing seat so as to clamp a pin together with the lower fixing seat, the elastic pressing sheet is arranged to be in a multi-tooth shape, and the elastic pressing sheet is arranged on the lower fixing seat. The plurality of teeth of the elastic pressing sheet are in one-to-one correspondence with the plurality of pins; an elastic piece is arranged between the lower fixing seat and the upper pressing plate, and the elastic piece is used for driving the lower fixing seat and the upper pressing plate to get close to each other so as to extrude the elastic pressing piece and clamp the pin; according to the pin fixing device, one end of each pin is clamped on the lower fixing seat independently through the teeth of the elastic pressing piece, the independent fastening force of the teeth of the elastic pressing piece on the pins is increased through the elastic piece and the upper pressing plate, and therefore the other ends of the pins are fixed to the correct positions of a device, and the pins are prevented from falling off.

Description

Technical Field

[0001] The utility model relates to the field of connector assembly, in particular to a pin clamping device. Background Art

[0002] "Pin" is usually used to describe the metal contact or lead on a connector or socket. In electronic devices, pins are usually used to transmit electrical signals, power or data. They are installed in a specific arrangement on the circuit board to connect to other devices or components. In order to facilitate subsequent connection and integration and improve production efficiency, the pins need to be pre-installed in the correct position of the component or device during the manufacturing process. The current operation method is: arrange one end of the pin on the clamp in a specific order, and then install the other end of the pin on the component or device. However, due to the differences in the types and sizes of pins, the clamp used is a straight board, so the smaller pins will not get enough tightening force during pre-installation and fall off. Utility Model Content

[0003] The utility model aims to overcome the problem of different sizes of pins in the prior art causing them to fall off during pre-installation, and provides a pin clamping device, which has spring-pressing teeth for clamping one end of each pin separately, and the pressure applied by the superimposed upper pressure plate can firmly clamp the other end of each pin on the device.

[0004] In order to achieve the above object, the utility model provides a pin needle clamping device, comprising:

[0005] Lower fixing seat;

[0006] an upper pressing plate, the upper pressing plate being rotatably disposed on the lower fixing seat; and

[0007] A spring-pressing sheet, the spring-pressing sheet is arranged on the lower fixing seat so as to clamp the pin together with the lower fixing seat, the spring-pressing sheet is arranged in a multi-tooth shape, and the multiple teeth of the spring-pressing sheet correspond one-to-one to the multiple pins;

[0008] Wherein, an elastic member is arranged between the lower fixing seat and the upper pressing plate, and the elastic member is used to drive the lower fixing seat and the upper pressing plate to approach each other so as to squeeze the elastic pressing sheet and clamp the pin needle.

[0009] Preferably, the elastic member is a torsion spring arranged along the length direction of the upper pressing plate, and the torsion spring is used to drive one side of the upper pressing plate to be pressed against the elastic pressing sheet.

[0010] Preferably, the elastic member is configured as a spring, the spring is arranged on one side of the rotation centerline of the upper pressure plate, the spring-pressing sheet is arranged on the other side of the rotation centerline of the upper pressure plate, the spring is in a compressed state, one end of the spring rests on the lower fixed seat, and the other end rests on the upper pressure plate.

[0011] Preferably, a plurality of the springs are provided, and the plurality of the springs are arranged at intervals along the length direction of the lower fixing seat.

[0012] Preferably, the lower fixed seat and the upper pressure plate are connected by a rotating shaft, a long strip is installed on the top surface of the lower fixed seat, connecting ears extending along the direction of the lower fixed seat are installed at both ends of the upper pressure plate, and the rotating shaft passes through the long strip and the connecting ears at the same time.

[0013] Preferably, an avoidance frame is provided at a position of the upper pressing plate corresponding to the long strip, and the avoidance frame is used for avoiding the long strip when the upper pressing plate rotates on the lower fixing seat.

[0014] Preferably, first countersunk holes are arranged at intervals on the lower fixing seat to constrain the spring;

[0015] and / or

[0016] The upper pressing plate is provided with a second countersunk hole for constraining the spring.

[0017] Preferably, the end of the tooth of the elastic pressure sheet is provided with a convex bottom surface convex downward.

[0018] Preferably, a plurality of concave surfaces are arranged on the edge of the lower fixing seat, and the plurality of concave surfaces correspond one-to-one to the plurality of convex bottom surfaces.

[0019] Preferably, the elastic pressure sheet is mounted on the lower fixing seat by means of a pin, and an avoidance hole corresponding to the pin is provided on the upper pressing plate, and the avoidance hole is used to avoid the pin when the upper pressing plate approaches the lower fixing seat.

[0020] Through the above technical solution, the teeth of the spring-pressing sheet are used to clamp one end of each pin needle on the lower fixing seat separately, and the elastic member is used to apply a restoring force between the upper pressure plate and the lower fixing seat, so that the restoring force is superimposed on the individual fastening force of the teeth of the spring-pressing sheet on the pin needle, thereby fixing the other end of the pin needle in the correct position of the device to prevent the pin needle from falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a pin clamping device provided by the utility model;

[0022] Figure 2It is a structural schematic diagram of a lower fixing seat of a pin clamping device provided by the utility model;

[0023] Figure 3 yes Figure 2 The enlarged view of point A in the middle;

[0024] Figure 4 A cross-sectional view of a pin clamping device provided by the utility model;

[0025] Figure 5 The utility model provides a schematic diagram of a pin clamping device in operation.

[0026] Description of Reference Numerals

[0027] 1. Upper pressure plate; 11. Avoidance hole; 12. Second countersunk hole; 13. Connecting ear; 14. Avoidance frame; 2. Lower fixing seat; 21. Pin; 22. First countersunk hole; 23. Lower concave surface; 24. Long strip; 3. Rotating shaft; 4. Spring pressure sheet; 41. Tooth; 42. Convex bottom surface; 5. Spring; 6. Pin. DETAILED DESCRIPTION

[0028] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0029] As mentioned above, the utility model provides a pin needle clamping device, which is used to fix pin needles of different sizes on a component or device when the pin needles are pre-installed, so as to prevent the pin needles from falling off the component or device.

[0030] like Figure 1 As shown, the pin needle clamping device includes a lower fixed seat 2, an upper pressure plate 1 and a spring-pressing sheet 4, the upper pressure plate 1 is rotatably set on the lower fixed seat 2, the spring-pressing sheet 4 is set on the lower fixed seat 2, so as to be able to clamp the pin needle 6 together with the lower fixed seat 2, the spring-pressing sheet 4 is set to a multi-tooth shape, and the multiple teeth 41 of the spring-pressing sheet 4 correspond one by one to the multiple pin needles 6; wherein, an elastic member is arranged between the lower fixed seat 2 and the upper pressure plate 1, and the elastic member is used to drive the lower fixed seat 2 and the upper pressure plate 1 to approach each other, so as to be able to squeeze the spring-pressing sheet 4 and compress the pin needle 6.

[0031] In the present invention, the spring-pressing sheet 4 is configured to have multiple teeth, and the multiple teeth 41 of the spring-pressing sheet 4 correspond one-to-one to the multiple pin needles 6, so that each pin needle 6 can be individually fixed on the lower fixing seat 2, thereby solving the problem that the straight plate cannot fasten the pin needles 6 of smaller sizes under different models. The elastic member arranged between the lower fixing seat 2 and the upper pressing plate 1 is used to drive the upper pressing plate 1 to rotate on the lower fixing seat 2, so that one side of the upper pressing plate 1 approaches the spring-pressing sheet 4 on the lower fixing seat 2, thereby superimposing pressure on the spring-pressing sheet 4, increasing the fastening force of the spring-pressing sheet 4 on the pin needle 6, and preventing the pin needle 6 from falling off.

[0032] In one embodiment of the utility model, the elastic member is a torsion spring arranged along the length direction of the upper pressure plate 1, and the torsion spring is used to drive one side of the upper pressure plate 1 to press against the spring-pressing sheet 4. The spring part of the torsion spring is along the length direction of the upper pressure plate 1. The upper pressure plate 1 is closed relative to the spring-pressing sheet 4 under the action of the torsion spring, and opens under the action of external force, so as to realize the pressure control of the upper pressure plate 1 on the spring-pressing sheet 4. The specific implementation method in this scheme is: applying external force to force the upper pressure plate 1 to open relative to the spring-pressing sheet 4, arranging the pin needle 6 separately under each tooth 41 in a specific order, canceling the external force to close the upper pressure plate 1 relative to the spring-pressing sheet 4, and pre-installing the pin needle 6 on the device onto the component or device.

[0033] The role of the torsion spring and the upper pressure plate 1 can be understood as increasing the pressure of the spring-pressing sheet 4 on the pin needle 6, so the technical solution can be replaced by other structures to directly apply force to the spring-pressing sheet 4, as long as the spring-pressing sheet 4 can obtain sufficient pressure on the pin needle 6.

[0034] Combination Figure 2 As shown, in the present invention, the elastic member is set as a spring 5, the spring 5 is set on one side of the rotation center line of the upper pressure plate 1, the spring pressure sheet 4 is set on the other side of the rotation center line of the upper pressure plate 1, and the spring 5 is in a compressed state, one end of which abuts on the lower fixed seat 2, and the other end abuts on the upper pressure plate 1. The upper pressure plate 1 is rotatably connected with the lower fixed seat 2 on its rotation center line, the spring pressure sheet 4 and the spring 5 in the compressed state are respectively set on both sides of the rotation center line of the upper pressure plate 1, and the two ends of the spring 5 are respectively connected to the upper pressure plate 1 and the lower fixed seat 2. The restoring force of the spring 5 causes the other side of the rotation center line of the upper pressure plate 1 to be closed relative to the spring pressure sheet 4, thereby applying pressure to the spring pressure sheet 4 and increasing the fastening force on the pin 6.

[0035] In the present invention, the spring 5 is provided in plurality, and the plurality of springs 5 ​​are arranged at intervals along the length direction of the lower fixing seat 2; the spring 5 can also be provided with one spring, which is located on a symmetrical axis of the lower fixing seat 2; two springs can be provided, such as Figure 2As shown, they are distributed on both sides of one side of the lower fixed seat 2; multiple ones can be arranged, evenly distributed on the lower fixed seat 2 along the length direction of the lower fixed seat 2 to ensure that the rotation center axis of the upper pressure plate 1 can be strictly along the length direction of the lower fixed seat 2, so that the pressure of the upper pressure plate 1 on the spring-pressing sheet 4 can be evenly distributed.

[0036] In one embodiment of the utility model, the lower fixed seat 2 and the upper pressure plate 1 are connected by a rotating shaft 3 to achieve a rotational connection between the upper pressure plate 1 and the lower fixed seat 2. Specifically, a long strip block 24 is installed on the top surface of the lower fixed seat 2, and connecting ears 13 extending in the direction of the lower fixed seat 2 are installed at both ends of the upper pressure plate 1. The long strip block 24 and the connecting ears 13 are both arranged on the rotation center line of the upper pressure plate 1, and the rotating shaft 3 passes through the long strip block 24 and the connecting ears 13 at the same time.

[0037] In the present invention, if the long strip block 24 pushes the upper pressure plate 1 higher, the length of the spring 5 is longer, that is, the restoring force of the spring 5 is smaller, so that the pressure of the upper pressure plate 1 on the spring-pressing sheet 4 is smaller. If the height of the long strip block 24 is too small, the rotating shaft 3 cannot pass through or the rotation of the upper pressure plate 1 cannot be realized. Therefore, an avoidance frame 14 is provided at the position corresponding to the upper pressure plate 1 and the long strip block 24. The avoidance frame 14 is used for the upper pressure plate 1 to avoid the long strip block 24 when the upper pressure plate 1 rotates on the lower fixed seat 2, so that the rotating shaft 3 can pass through the long strip block 24, and the relative distance between the upper pressure plate 1 and the lower fixed seat 2 will not be too far.

[0038] The purpose of setting the avoidance frame 14 is to avoid the upper pressure plate 1 and the long strip block 24 from being squeezed, so the avoidance frame 14 can be as large as possible, and it is only necessary to retain the part of the upper pressure plate 1 that presses the spring-pressing sheet 4 and the part that compresses the spring 5 while ensuring the strength of the upper pressure plate 1.

[0039] Furthermore, before removing the pin needle 6, it is necessary to apply external force to make the upper pressure plate 1 and the lower fixed seat 2 relatively open on the side with the elastic pressure sheet 4 and relatively closed on the side with the spring 5. In order to leave enough space for the spring 5 and prevent the spring 5 from plastic deformation and failure during this process, the lower fixed seat 2 is provided with first countersunk holes 22 at intervals for restraining the spring 5; and / or, the upper pressure plate 1 is provided with second countersunk holes 12 for restraining the spring 5.

[0040] In a preferred embodiment, the end of the tooth 41 of the spring-pressing sheet 4 is provided with a convex bottom surface 42 convex downwardly, so that the pressure of the spring-pressing sheet 4 on each pin needle 6 is concentrated on the point where the convex bottom surface 42 contacts the pin needle 6 , thereby increasing the pressure and facilitating the fixation of the pin needle 6 .

[0041] Combination Figure 3As shown, in the utility model, a plurality of concave surfaces 23 are arranged on the edge of the lower fixing seat 2, and the plurality of concave surfaces 23 are used to fix the pin needle 6 to prevent the pin needle 6 from being displaced under pressure. The concave surfaces 23 are arranged in a "V-shape", or the bottom surface of the convex bottom surface 42 is arranged in an inverted "V-shape" to accommodate pin needles 6 of various sizes, and the plurality of concave surfaces 23 correspond one to one with the plurality of convex bottom surfaces 42.

[0042] In other details, the spring-pressing sheet 4 is installed on the lower fixed seat 2 through a pin 21, and an avoidance hole 11 corresponding to the pin 21 is provided on the upper pressure plate 1. The avoidance hole 11 is used to avoid the pin 21 when the upper pressure plate 1 is close to the lower fixed seat 2, thereby ensuring that the upper pressure plate 1 can press the spring-pressing sheet 4.

[0043] The working principle of the pin clamping device provided by the utility model is as follows:

[0044] A. The spring 5 is always in a compressed state, so that one side of the upper pressure plate 1 presses the spring pressure plate 4, and the external force forces the upper pressure plate 1 and the lower fixed seat 2 to be relatively closed on the side with the spring 5;

[0045] B. Lift each tooth 41, place one end of the pin needle 6 in the lower concave surface 23 to determine the position, and lower the tooth 41 to press it on the pin needle 6;

[0046] C. Remove the external force, rotate the upper pressure plate 1 to one side to press on the spring-pressing sheet 4, and then install the other side of the pin needle 6 on the component or device.

[0047] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations. However, these simple modifications and combinations should also be regarded as the contents disclosed by the present invention and belong to the protection scope of the present invention.

Claims

1. A pin clamping device, characterized in that: include: Lower fixing seat (2); An upper pressing plate (1), the upper pressing plate (1) being rotatably disposed on the lower fixing seat (2); as well as A spring-pressing sheet (4), the spring-pressing sheet (4) being arranged on the lower fixing seat (2) so as to be able to clamp the pin needle (6) together with the lower fixing seat (2), the spring-pressing sheet (4) being arranged in a multi-tooth shape, and the multiple teeth (41) of the spring-pressing sheet (4) corresponding one-to-one to the multiple pin needles (6); An elastic member is provided between the lower fixing seat (2) and the upper pressing plate (1), and the elastic member is used to drive the lower fixing seat (2) and the upper pressing plate (1) to move closer to each other so as to squeeze the elastic pressing sheet (4) and clamp the pin needle (6).

2. The pin clamping device according to claim 1, characterized in that: The elastic member is a torsion spring arranged along the length direction of the upper pressure plate (1), and the torsion spring is used to drive one side of the upper pressure plate (1) to be pressed tightly against the elastic pressure plate (4).

3. The pin needle clamping device according to claim 1, characterized in that: The elastic member is configured as a spring (5), and the spring (5) is arranged on one side of the rotation center line of the upper pressure plate (1), and the spring pressure plate (4) is arranged on the other side of the rotation center line of the upper pressure plate (1). The spring (5) is in a compressed state, and one end thereof abuts against the lower fixed seat (2), and the other end abuts against the upper pressure plate (1).

4. The pin clamping device according to claim 3, characterized in that: A plurality of the springs (5) are provided, and the plurality of the springs (5) are arranged at intervals along the length direction of the lower fixing seat (2).

5. The pin clamping device according to claim 3, characterized in that: The lower fixing seat (2) and the upper pressing plate (1) are connected via a rotating shaft (3); a long strip (24) is installed on the top surface of the lower fixing seat (2); connecting ears (13) extending in the direction of the lower fixing seat (2) are installed at both ends of the upper pressing plate (1); and the rotating shaft (3) passes through the long strip (24) and the connecting ears (13) at the same time.

6. The pin clamping device according to claim 5, characterized in that: An avoidance frame (14) is provided at a position corresponding to the upper pressing plate (1) and the long strip (24). The avoidance frame (14) is used to avoid the long strip (24) when the upper pressing plate (1) rotates on the lower fixing seat (2).

7. The pin clamping device according to claim 3, characterized in that: The lower fixing seat (2) is provided with first countersunk holes (22) at intervals for restraining the spring (5); and / or The upper pressing plate (1) is provided with a second countersunk hole (12) for constraining the spring (5).

8. The pin clamping device according to claim 1, characterized in that: The end of the tooth (41) of the elastic pressure piece (4) is provided with a convex bottom surface (42) convex downward.

9. The pin clamping device according to claim 8, characterized in that: A plurality of concave surfaces (23) are arranged on the edge of the lower fixing seat (2), and the plurality of concave surfaces (23) correspond one-to-one to the plurality of convex bottom surfaces (42).

10. The pin clamping device according to claim 1, characterized in that: The spring-pressing sheet (4) is mounted on the lower fixing seat (2) via a pin (21); an avoidance hole (11) corresponding to the pin (21) is provided on the upper pressing plate (1); the avoidance hole (11) is used to avoid the pin (21) when the upper pressing plate (1) is close to the lower fixing seat (2).

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