Circuit board locking structure suitable for high-frequency disassembly and assembly

Abstract

The utility model discloses a circuit board locking structure suitable for high-frequency disassembly and assembly, which comprises two groups of mounting slide rails, a clamping frame and a clamping device, and is characterized in that the two groups of mounting slide rails are arranged in parallel and are mounted at mounting positions; the two clamping frames are arranged in parallel, and the two sides of each clamping frame are slidably arranged on the two sets of mounting sliding rails correspondingly. A connecting plate is arranged between the two groups of mounting slide rails; the clamping device is arranged on the connecting plate, and the two clamping ends of the clamping device are connected with the two clamping frames correspondingly. According to the utility model, the clamping device drives the two clamping frames to be close to or far away from each other, so that the circuit board can be quickly locked and disassembled, the quick disassembly and assembly of the circuit board are improved, and the clamping device is more suitable for use scenes in which the circuit board needs to be subjected to high-frequency disassembly and assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board installation, in particular to a circuit board locking structure suitable for high-frequency disassembly and assembly. Background Art

[0002] The installation of a circuit board refers to fixing the circuit board at a mounting location (such as a bracket, chassis or backplane, etc.) to ensure the stable use of the circuit board.

[0003] In the related technologies, in usage scenarios such as circuit board testing, electronic engineering teaching and training, since the circuit boards need to be disassembled or replaced multiple times, there are high requirements for quick disassembly of the circuit boards. The common method of disassembling circuit boards is to open installation holes at the four corners of the circuit board, and lock the corresponding installation holes by bolts or quick release to achieve fixation and quick disassembly of the circuit board.

[0004] However, in the actual disassembly process, this method requires relevant staff to disassemble the four corners of the circuit board separately, and cannot achieve quick one-click disassembly. Summary of the invention

[0005] The utility model aims to solve one of the technical problems in the above-mentioned technology at least to a certain extent.

[0006] To achieve the above-mentioned purpose, the first aspect of the utility model proposes a circuit board locking structure suitable for high-frequency disassembly and assembly, comprising: an installation slide rail, a clamping frame and a clamping device, wherein two groups of the installation slide rails are arranged in parallel and installed at the installation position; the two clamping frames are arranged in parallel, and the two sides of each clamping frame are respectively slidably arranged on the two groups of the installation slide rails; a connecting plate is arranged between the two groups of the installation slide rails; the clamping device is arranged on the connecting plate, and the clamping device comprises a rotating shaft, a rotating disk, a connecting arm, a torsion spring, a wheel disc and a drawstring, wherein the rotating shaft can be rotatably arranged on the connecting plate; the rotating disk is arranged on the top of the rotating shaft; the two connecting arms are arranged oppositely and eccentrically installed on the rotating disk, and the other ends of the two connecting arms are respectively pivotally connected to the two clamping frames; the torsion spring is sleeved on the rotating shaft, and the two ends of the torsion spring are respectively connected to the connecting plate and the rotating disk; the wheel disc is coaxially arranged at the bottom of the rotating shaft; one end of the drawstring is wrapped around the wheel disc, and the other end extends outward through the installation slide rail.

[0007] In addition, the circuit board locking structure suitable for high-frequency disassembly and assembly proposed in the utility model may also have the following additional technical features:

[0008] As a further description of the above technical solution: mounting holes are respectively formed at both ends of each of the mounting slide rails, and bolts are provided at the mounting holes and locked at the mounting positions.

[0009] As a further description of the above technical solution: two limiting posts are provided on each of the mounting slide rails to respectively limit the two clamping frames.

[0010] As a further description of the above technical solution: a damping washer is provided on one side of the limiting post close to the corresponding clamping frame.

[0011] As a further description of the above technical solution: an elastic inner lining is provided inside the clamping frame, and the opening of the elastic inner lining contracts from the side close to the circuit board to the other side.

[0012] As a further description of the above technical solution: a slider is provided at the bottom of the clamping frame, a guiding groove is formed in the mounting slide rail, and the slider is slidably arranged in the guiding groove.

[0013] As a further description of the above technical solution: a limiting head is provided on the drawstring, and a draw head facilitating drawing is provided at the end of the drawstring.

[0014] According to the circuit board locking structure suitable for high-frequency disassembly and assembly of the present invention, by pulling the drawstring, the rotating shaft can be driven to rotate, so that the turntable drives the connecting arm to rotate, realizing the opposite movement of the two clamping frames and realizing the rapid detachment of the clamping frame from the circuit board; in addition, under the reset action of the torsion spring, the rotating shaft can be driven to rotate in a reverse direction, so that the rotation drives the connecting arm to rotate, realizing the relative movement of the two clamping frames and realizing the rapid locking of the clamping frame to the circuit board; only by pulling and releasing the drawstring, the rapid locking and disassembly of the circuit board can be realized, improving the rapid disassembly and assembly of the circuit board, and being more suitable for the use scenario where the circuit board needs to be disassembled and assembled frequently.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and be readily understood from the following description of the embodiments in conjunction with the drawings, wherein:

[0017] Figure 1 is a schematic diagram of a circuit board locking structure suitable for high-frequency disassembly and assembly according to an embodiment of the present invention;

[0018] Figure 2 is a schematic diagram of the structure of a clamping device according to an embodiment of the present invention;

[0019] Figure 3 is a schematic structural diagram of a clamping frame according to an embodiment of the present utility model;

[0020] Figure 4 is a schematic diagram of the use state of a circuit board locking structure suitable for high-frequency disassembly and assembly according to an embodiment of the present utility model;

[0021] As shown in the figure:

[0022] 100, mounting slide rail; 101, connecting plate; 102, mounting hole; 103, limiting post; 200, clamping frame; 201, elastic lining; 202, slider; 300, clamping device; 310, rotating shaft; 320, turntable; 330, connecting arm; 340, torsion spring; 350, wheel disc; 360, drawstring; 361, limiting head; 362, pulling head; 400, circuit board. Detailed implementation manners

[0023] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation to the present utility model.

[0024] The circuit board locking structure suitable for high-frequency disassembly and assembly according to the embodiments of the present utility model will be described below with reference to the accompanying drawings.

[0025] As Figure 1 shown, the circuit board locking structure suitable for high-frequency disassembly and assembly according to the embodiments of the present utility model may include a mounting slide rail 100, a clamping frame 200, and a clamping device 300.

[0026] Among them, two sets of mounting slide rails 100 are arranged in parallel and installed at the mounting position.

[0027] It should be noted that the above-mentioned mounting position may be a bracket, a chassis, a backplane, a detection table, a teaching table, etc.

[0028] Two clamping frames 200 are arranged in parallel, and both sides of each clamping frame 200 are slidably arranged on two sets of mounting slide rails 100. The circuit board 400 is placed between the two clamping frames 200, and the two clamping frames 200 are moved closer to each other to clamp and fix the circuit board 400.

[0029] A connecting plate 101 is arranged between the two sets of mounting slide rails 100; the clamping device 300 is arranged on the connecting plate 101.

[0030] As Figure 2As shown, the clamping device 300 includes a rotating shaft 310, a turntable 320, connecting arms 330, a torsion spring 340, a wheel disc 350, and a drawstring 360.

[0031] Among them, the rotating shaft 310 is rotatably arranged on the connecting plate 101, the turntable 320 is arranged on the top of the rotating shaft 310, two connecting arms 330 are arranged oppositely and eccentrically mounted on the turntable 320, and the other ends of the two connecting arms 330 are respectively pivotally connected to the two clamping frames 200.

[0032] It should be noted that the two connecting arms 330 are pivotally connected to the turntable 320.

[0033] The torsion spring 340 is sleeved on the rotating shaft 310, and the two ends of the torsion spring 340 are respectively connected to the connecting plate 101 and the turntable 320. The wheel disc 350 is coaxially arranged at the bottom of the rotating shaft 310. One end of the drawstring 360 is wound around the wheel disc 350, and the other end extends outwards through the mounting slide rail 100.

[0034] It should be noted that the clamping device 300 is arranged between the two clamping frames 200. Driven by the clamping device 300, the two clamping frames 200 can be driven to approach or move away from each other.

[0035] Specifically, as Figures 1 to 4 shown, when the relevant staff installs the circuit board 400, first, the relevant staff pulls the drawstring 360, so that the rotating shaft 310 rotates, then the turntable 320 rotates following the rotating shaft 310, so that the connecting arms 330 connected to the turntable 320 rotate. Then, a displacement occurs at the pivot connection between the turntable 320 and the connecting arms 330, so that the two connecting arms 330 drive the clamping frames 200 to move away from each other respectively. At this time, the torsion spring 340 is twisted.

[0036] Then, the relevant staff places the circuit board 400 between the two clamping frames 200 and releases the drawstring 360. Then, due to the reset action of the torsion spring 340 on the rotating shaft 310, the rotating shaft 310 rotates in the reverse direction. Then the turntable 320 drives the two connecting arms 330 to start resetting, and respectively drives the two clamping frames 200 to approach each other and clamp the circuit board 400.

[0037] When disassembling the circuit board 400, the operation is the same as above. By pulling the drawstring 360, the two clamping frames 200 move away from each other, so that the relevant staff can quickly remove the circuit board 400 from between the two clamping frames 200.

[0038] It should be noted that in the high-frequency disassembly scenario of the circuit board 400, the fastening requirement for the circuit board 400 is not high, and only the basic stable effect of the circuit board 400 needs to be provided. Then, it can be achieved through the clamping action of the two clamping frames 200.

[0039] In an embodiment of the present utility model, as Figure 1 shown, mounting holes 102 are respectively formed at both ends of each mounting slide rail 100, and bolts are provided at the mounting holes 102 and locked at the mounting positions.

[0040] It should be noted that when the relevant staff disassembles or replaces the circuit board 400, since the mounting slide rail 100 is fixed at the mounting position, the relevant staff only needs one hand to pull the drawstring 360, and the other hand is used to replace the circuit board 400. Thus, the whole operation is more rapid and convenient.

[0041] In addition, two limit posts 103 are provided on each mounting slide rail 100 to respectively limit the two clamping frames 200, so as to prevent the clamping force on the circuit board 400 from being too large when the two clamping frames 200 approach each other, causing physical damage to the circuit board 400.

[0042] A damping washer is provided on the side of the limit post 103 close to the corresponding clamping frame 200 to further ensure the stability when the clamping frames 200 approach each other and reduce the impact force when the clamping frames 200 approach each other.

[0043] In an embodiment of the present utility model, as Figure 3 shown, an elastic inner lining 201 is provided in the clamping frame 200, and the opening of the elastic inner lining 201 shrinks from the side close to the circuit board 400 to the other side.

[0044] It should be noted that when the two clamping frames 200 approach each other, since the opening of the elastic inner lining 201 gradually shrinks, the circuit board 400 can be gradually clamped, avoiding the situation that the circuit board 400 shakes in the elastic inner lining 201. Moreover, the deformation of the elastic inner lining 201 under extrusion can also ensure that the circuit board 400 does not shake in the elastic inner lining 201, avoiding the situation of unstable clamping.

[0045] In addition, a slider 202 is provided at the bottom of the clamping frame 200, and a guiding groove is formed in the mounting slide rail 100, and the slider 202 is slidably arranged in the guiding groove.

[0046] It should be noted that when the clamping frame 200 is driven by the clamping device 300, the slider 202 slides in the guiding groove.

[0047] In an embodiment of the present utility model, as Figure 2 shown, a limit head 361 is provided on the drawstring 360, and a draw head 362 convenient for pulling is provided at the end of the drawstring 360.

[0048] It should be noted that when the rotating shaft 310 reverses under the reset action of the torsion spring 340, it can drive the drawstring 360 to retract into the wheel disc 350. When the drawstring 360 retracts to the required position, the limit head 361 abuts against the outside of the mounting slide rail 100 to prevent excessive retraction and cause the drawstring 360 to become loose in the wheel disc 350.

[0049] In summary, for the circuit board locking structure applicable to high-frequency disassembly and assembly according to the embodiment of the present invention, by pulling the drawstring 360, the rotating shaft 310 can be driven to rotate, so that the turntable 320 drives the connecting arm 330 to rotate, realizing the opposite movement of the two clamping frames 200 and the rapid detachment of the clamping frame 200 from the circuit board 400; in addition, under the reset action of the torsion spring 340, the rotating shaft 310 can be driven to rotate in reverse, so that the rotation drives the connecting arm 330 to rotate, realizing the relative movement of the two clamping frames 200 and the rapid locking of the clamping frame 200 to the circuit board 400; only by pulling and releasing the drawstring 360, the rapid locking and disassembly of the circuit board 400 can be realized, improving the high-speed disassembly and assembly of the circuit board 400 and being more suitable for the use scenario where the circuit board 400 needs to be disassembled and assembled frequently.

[0050] In the description of this specification, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of this application, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0051] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of this application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0052] Although the embodiments of this application have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting this application. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of this application.

Claims

1. A circuit board locking structure suitable for high-frequency disassembly and assembly, characterized in that, Including: An installation slide rail (100), a clamping frame (200) and a clamping device (300), wherein, Two groups of the installation slide rails (100) are arranged in parallel and installed at the installation position; Two of the clamping frames (200) are arranged in parallel, and both sides of each clamping frame (200) are slidably arranged on two groups of the installation slide rails (100); A connecting plate (101) is arranged between two groups of the installation slide rails (100); The clamping device (300) is arranged on the connecting plate (101), and the clamping device (300) includes a rotating shaft (310), a turntable (320), a connecting arm (330), a torsion spring (340), a wheel disc (350) and a drawstring (360), wherein, The rotating shaft (310) is rotatably arranged on the connecting plate (101); The turntable (320) is arranged at the top of the rotating shaft (310); Two of the connecting arms (330) are arranged oppositely and eccentrically installed on the turntable (320), and the other ends of the two connecting arms (330) are respectively pivotally connected to two of the clamping frames (200); The torsion spring (340) is sleeved on the rotating shaft (310), and both ends of the torsion spring (340) are respectively connected to the connecting plate (101) and the turntable (320); The wheel disc (350) is coaxially arranged at the bottom of the rotating shaft (310); One end of the drawstring (360) is wound on the wheel disc (350), and the other end extends outwards through the installation slide rail (100).

2. The circuit board locking structure applicable to high-frequency disassembly and assembly according to claim 1, wherein Installation holes (102) are respectively formed at both ends of each installation slide rail (100), and bolts are arranged at the installation holes (102) and locked at the installation position.

3. The circuit board locking structure applicable to high-frequency disassembly and assembly according to claim 1, characterized in that Two limit posts (103) are arranged on each installation slide rail (100) to respectively limit two of the clamping frames (200).

4. The circuit board locking structure applicable to high-frequency disassembly and assembly according to claim 3, characterized in that A damping washer is arranged on one side of the limit post (103) close to the corresponding clamping frame (200).

5. The circuit board locking structure applicable to high-frequency disassembly and assembly according to claim 1, characterized in that, An elastic inner lining (201) is arranged inside the clamping frame (200), and the opening of the elastic inner lining (201) shrinks from the side close to the circuit board (400) to the other side.

6. The circuit board locking structure applicable to high-frequency disassembly and assembly according to claim 1, characterized in that, Sliders (202) are arranged at the bottom of the clamping frame (200), guide grooves are formed inside the installation slide rail (100), and the sliders (202) are slidably arranged inside the guide grooves.

7. The circuit board locking structure applicable to high-frequency disassembly and assembly according to claim 1, wherein A limit head (361) is arranged on the drawstring (360), and a pull head (362) convenient for pulling is arranged at the end of the drawstring (360).

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