Circuit board clamp

Abstract

The utility model provides a circuit board clamp comprising a pedestal, the middle part of the pedestal is provided with a pivot shaft, the front part of the pedestal is provided with a lower clamping arm, and the top of the front end of the lower clamping arm is provided with a lower clamping surface; the middle part of the swinging part is rotatably arranged on the base through a pivoting shaft, the front part of the swinging part is provided with an upper clamping arm, and the bottom of the front end of the upper clamping arm is provided with an upper clamping surface corresponding to the lower clamping surface; one of the upper clamping surface and the lower clamping surface is planar, and the other one is cylindrical; and the elastic piece is arranged between the rear end of the base and the rear end of the swinging piece and is used for driving the swinging piece to swing around the pivoting shaft so as to enable the upper clamping surface and the lower clamping surface to clamp the circuit board together. According to the circuit board clamp, the contact area with the circuit board is effectively increased, so that the pressure on the circuit board can be dispersed, the circuit board can be effectively protected, the circuit board is prevented from being deformed due to overlarge stress, and the circuit board can be effectively prevented from being scratched in the process of clamping and taking down the circuit board.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board hanger field, especially in a kind of circuit board clamp. BACKGROUND

[0002] Circuit board hanger is used to fix circuit board, so as to carry out processing etc. operation, and circuit board clamp is the important component on hanger, for clamping circuit board to fix circuit board on hanger.

[0003] The existing circuit board clamp, its chuck is usually sharp, by point contact mode to clamp circuit board, the pressure exerted to circuit board is more concentrated, and circuit board is prone to deformation, and in the process of clamping and taking down circuit board, chuck is also prone to scratch circuit board. UTILITY MODEL CONTENTS

[0004] The utility model is to at least solve one of the technical problems existing in prior art, provide a kind of circuit board clamp that helps to protect circuit board, prevent circuit board deformation and scratch.

[0005] To achieve the above-mentioned purpose, the technical scheme provided by the utility model is:

[0006] A kind of circuit board clamp, comprising:

[0007] Base, the middle part of the base is provided with pivot shaft, front part is provided with lower clamping arm, the top of the front end of the lower clamping arm is provided with lower clamping surface;

[0008] Swing piece, the middle part is rotatably arranged on the base by the pivot shaft, the front part of the swing piece is provided with upper clamping arm, the bottom of the front end of the upper clamping arm is provided with upper clamping surface corresponding to the lower clamping surface;One of the upper clamping surface and the lower clamping surface is planar, and the other is cylindrical surface;

[0009] Elastic member, it is arranged between the rear end of the base and the rear end of the swing piece, for driving the swing piece to swing around the pivot shaft to make the upper clamping surface and the lower clamping surface clamp circuit board together.

[0010] Preferably, the number of the upper clamping arm is two and interval a distance left and right.

[0011] Preferably, the number of the lower clamping arm is two and interval a distance left and right, and two lower clamping arms and two upper clamping arms one to one.

[0012] Preferably, the front part of the upper clamping arm is provided with downward protruding upper boss, and the upper clamping surface is the bottom surface of the upper boss;The front part of the lower clamping arm is provided with upward protruding lower boss, and the lower clamping surface is the top surface of the lower boss.

[0013] Preferably, the swing member comprises a rear cross bar, a middle vertical bar and a front cross bar arranged in sequence from back to front, the bottom of the middle vertical bar is pivotally arranged on the base through the pivot shaft, and the upper clamping arm is located on the front cross bar.

[0014] Preferably, the middle part of the base is provided with two upwardly protruding baffles, the two baffles are spaced apart by a distance to form a limiting groove, and the swing member is inserted into the limiting groove and the width of the swing member matches the limiting groove.

[0015] Preferably, each of the baffles is provided with a mounting hole, the pivot shaft is inserted into the two mounting holes, and the two ends of the pivot shaft are respectively provided with a snap spring, and the two snap springs are respectively abutted on the outer side walls of the two baffles.

[0016] Preferably, the elastic member is a spring, and the rear end of the base and the rear end of the swing member are respectively provided with an insertion block, and the two insertion blocks are respectively inserted into the two ends of the elastic member.

[0017] The circuit board clamp has the advantages that the upper clamping surface and the lower clamping surface adopt the cooperation of a plane and a cylindrical surface to clamp the circuit board through line contact, the contact area with the circuit board is effectively increased, the pressure on the circuit board can be dispersed, the circuit board can be effectively protected, the circuit board is prevented from being deformed due to excessive stress, and the circuit board can be effectively prevented from being scratched during clamping and taking down. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0019] Figure 1 It is the structure diagram of the preferred embodiment of the utility model. DETAILED DESCRIPTION

[0020] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0021] In the description of the utility model, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right and the like, is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, a specific orientation and operation, so it cannot be understood as the limitation of the utility model.

[0022] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceed and the like are understood as not including the number, above, below, within and the like are understood as including the number.If there is a description to the first, second is only used for distinguishing technical features for the purpose, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0023] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be broadly understood, and the specific meaning of the above words in the utility model can be reasonably determined by the person skilled in the art in combination with the specific content of the technical scheme.

[0024] Refer to Figure 1 , the preferred embodiment of the utility model, a circuit board clamp, comprising: base 10, the middle part of base 10 is provided with pivot shaft 11, the front part is provided with lower clamping arm 12, the top of the front end of lower clamping arm 12 is provided with lower clamping surface 13;Swing piece 20, the middle part is rotatably arranged on base 10 through pivot shaft 11, the front part of swing piece 20 is provided with upper clamping arm 21, the bottom of the front end of upper clamping arm 21 is provided with upper clamping surface 22 corresponding to lower clamping surface 13;One of upper clamping surface 22 and lower clamping surface 13 is planar, and the other is cylindrical surface;Elastic member 30, arranged between the rear end of base 10 and the rear end of swing piece 20, for driving swing piece 20 to swing around pivot shaft 11 to make upper clamping surface 22 and lower clamping surface 13 clamp together circuit board.The circuit board clamp, since upper clamping surface 22 and lower clamping surface 13 adopt planar and cylindrical surface cooperation and clamp circuit board through line contact, effectively increase the contact area with circuit board, so as to be able to disperse the pressure on circuit board, can effectively protect circuit board, prevent circuit board from deforming due to excessive stress, also can effectively avoid scratching circuit board in the process of clamping and taking down circuit board.

[0025] As the preferred embodiment of the utility model, it can also have the following additional technical features:

[0026] In the embodiment, the number of upper clamping arms 21 is two and is spaced apart by a distance, which can clamp the circuit board at different positions, helping to ensure the firmness of clamping and prevent the circuit board from being skewed.

[0027] In the embodiment, the number of lower clamping arms 12 is two and is spaced apart by a distance, and the two lower clamping arms 12 correspond to the two upper clamping arms 21, which can cooperate with each other to clamp the circuit board from two positions respectively, further ensuring the firmness of clamping and preventing the circuit board from being skewed.In other embodiments, the number and distribution of upper clamping arms 21 and lower clamping arms 12 can be flexibly adjusted as needed, and are not limited to this.

[0028] In the embodiment, the front part of the upper clamping arm 21 is provided with a downward protruding upper boss 23, and the upper clamping surface 22 is the bottom surface of the upper boss 23; the front part of the lower clamping arm 12 is provided with an upward protruding lower boss 14, and the lower clamping surface 13 is the top surface of the lower boss 14, so that other parts of the upper clamping arm 21 and the lower clamping arm 12 do not contact the circuit board, and interference caused by clamping the circuit board can be avoided.

[0029] In the embodiment, the swing piece 20 includes a rear cross rod 241, a middle vertical rod 242 and a front cross rod 243 arranged in sequence from rear to front, the bottom of the middle vertical rod 242 is pivotally arranged on the base 10 through a pivot shaft 11, and the upper clamping arm 21 is located on the front cross rod 243, so that the upper clamping arm 21 and the lower clamping arm 12 can be maintained in a substantially parallel state, facilitating subsequent assembly operations.

[0030] In the embodiment, the middle part of the base 10 is provided with two upward protruding baffles 15, the two baffles 15 are spaced apart by a distance to form a limiting groove 16, the swing piece 20 is inserted into the limiting groove 16 and the width thereof matches the limiting groove 16, so that the swing piece 20 can be limited and prevented from being deflected, and it is more reliable.

[0031] In the embodiment, each baffle 15 is provided with a mounting hole, the pivot shaft 11 is inserted into the two mounting holes, and each end of the pivot shaft 11 is provided with a snap spring 17, and the two snap springs 17 abut against the outer sidewalls of the two baffles 15, so that the structure is simple, convenient to process and disassemble and maintain.

[0032] In the embodiment, the elastic piece 30 is a spring, the rear end of the base 10 and the rear end of the swing piece 20 are respectively provided with an insertion block 31, and the two insertion blocks 31 are respectively inserted into the two ends of the elastic piece 30, so that the structure is simple and reliable, convenient to assemble, and the spring can be prevented from loosening. In other embodiments, the elastic piece 30 can also adopt other commonly used elastic structures such as a spring sheet, and is not limited thereto.

[0033] Without conflict, those skilled in the art can freely combine and use the above additional technical features.

[0034] The above is only a preferred embodiment of the utility model, and any technical solution that achieves the same purpose by basically the same means falls within the protection scope of the utility model.

Claims

1. A circuit board clamp characterized by, The utility model relates to a circuit board clamping device, which comprises a base (10) provided with a pivot shaft (11) in the middle part and a lower clamping arm (12) in the front part, wherein the top of the front end of the lower clamping arm (12) is provided with a lower clamping surface (13); a swing piece (20) is rotatably arranged on the base (10) through the pivot shaft (11), and the front part of the swing piece (20) is provided with an upper clamping arm (21), wherein the bottom of the front end of the upper clamping arm (21) is provided with an upper clamping surface (22) corresponding to the lower clamping surface (13); one of the upper clamping surface (22) and the lower clamping surface (13) is planar, and the other is cylindrical; an elastic piece (30) is arranged between the rear end of the base (10) and the rear end of the swing piece (20) to drive the swing piece (20) to swing around the pivot shaft (11) so that the upper clamping surface (22) and the lower clamping surface (13) clamp the circuit board together. The number of the upper clamping arms (21) is two and they are spaced apart by a distance. The number of the lower clamping arms (12) is two and they are spaced apart by a distance, and the two lower clamping arms (12) correspond to the two upper clamping arms (21) one by one. The front part of the upper clamping arm (21) is provided with an upper boss (23) protruding downward, and the upper clamping surface (22) is the bottom surface of the upper boss (23); the front part of the lower clamping arm (12) is provided with a lower boss (14) protruding upward, and the lower clamping surface (13) is the top surface of the lower boss (14).

2. The circuit board clamp of claim 1, wherein, The swing piece (20) comprises a rear cross rod (241), a middle vertical rod (242) and a front cross rod (243) arranged in sequence from rear to front, the bottom of the middle vertical rod (242) is pivotally arranged on the base (10) through the pivot shaft (11), and the upper clamping arm (21) is located on the front cross rod (243).

3. The circuit board clamp of claim 2, wherein, The middle part of the base (10) is provided with two upwardly protruding baffles (15) spaced apart by a distance to form a limiting groove (16), the swing piece (20) is inserted into the limiting groove (16) and the width of the swing piece (20) matches the limiting groove (16).

4. The circuit board clamp of claim 1, wherein, Each of the baffles (15) is provided with a mounting hole, the pivot shaft (11) is inserted into the two mounting holes, and the two ends of the pivot shaft (11) are respectively provided with a snap spring (17) abutting against the outer sidewall of the two baffles (15).

5. The circuit board clamp of claim 1, wherein, The elastic piece (30) is a spring, and the rear end of the base (10) and the rear end of the swing piece (20) are respectively provided with an insertion block (31), and the two insertion blocks (31) are aligned in the upper and lower ends of the elastic piece (30).

6. The circuit board clamp of claim 1, wherein, ​ 7. A circuit board clamp according to claim 6, wherein ​ 8. The circuit board clamp of claim 1, wherein, ​

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