PCB double-sided circuit board structure

Abstract

The utility model relates to the technical field of PCB circuit boards, and discloses a PCB double-sided circuit board structure, which comprises a circuit board body, a mounting rack, a fixing device and a mounting device, the mounting rack is arranged outside the circuit board body, the fixing device is arranged inside the mounting rack, the mounting device is arranged inside the mounting rack, and the fixing device is arranged inside the mounting rack. And the fixing device is composed of a first sliding rod, a first sliding block, a first lower pressing plate, a rotating shaft and a spring, the first sliding rod is fixedly installed in the installation frame, the first sliding block is installed on the surface of the first sliding rod in a sliding mode, and the first lower pressing plate is fixedly installed on the side face of the first sliding block. According to the PCB double-sided circuit board structure, by pulling and rotating the first handle, the rotating shaft can be fixed in the mounting rack, the circuit board body is placed on the surface of the mounting rack, the first handle is reversely rotated, under the action of the spring, the first lower pressing plate can be reset to fix the circuit board body, and the circuit board body is convenient to disassemble and assemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB circuit board technical field, concretely is a kind of PCB double-sided circuit board structure. BACKGROUND

[0002] Under the era tide of today's rapid development of science and technology, with the continuous miniaturization and high performance of various electronic devices such as smart phones, wearable devices, the internal electronic components are increasingly precise and complex, and the requirements for PCB as the key component of circuit carrier are also increasing day by day.

[0003] The existing PCB board generally has a hole on the plate, and then the PCB board is installed with the equipment shell through screws, but due to the fixed position of the hole, it is difficult to adjust and change when the installation position error occurs. From the perspective of equipment maintenance, repair or upgrading, the screw fixing method is complicated, professional tools are needed to tighten the screws, and careful operation is needed to prevent the screws from being lost. The whole disassembly process is time-consuming and laborious, and the convenience is poor, which affects the production and maintenance efficiency, and cannot meet the needs of the present. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of PCB double-sided circuit board structure to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of PCB double-sided circuit board structure, including circuit board body, the outside of the circuit board body is provided with mounting bracket, the inside of the mounting bracket is provided with fixing device, the inside of the mounting bracket is provided with mounting device.

[0006] The fixing device is composed of a first sliding rod, a first sliding block, a first lower pressing plate, a shaft, and a spring, the first sliding rod is fixedly installed in the inside of the mounting bracket, the first sliding block is slidingly installed on the surface of the first sliding rod, the first lower pressing plate is fixedly installed on the side of the first sliding block, the shaft is rotatably installed on the top of the first lower pressing plate, and the spring is sleeved on the surface of the shaft.

[0007] The mounting device is composed of a second sliding rod, a second sliding block, a connecting plate, a mounting ring, a second lower pressing plate and a threaded rod, the second sliding rod is fixedly installed in the inside of the mounting bracket, the second sliding block is slidingly installed on the surface of the second sliding rod, the connecting plate is fixedly installed on the side of the second sliding block, the mounting ring is fixedly installed on the side of the connecting plate, the second lower pressing plate is slidingly installed on the surface of the first sliding rod, and the threaded rod is threadedly installed in the inside of the mounting bracket.

[0008] Preferably, the circuit board body is composed of a circuit board base layer, an insulating layer and a patterned metal layer, the patterned metal layer is arranged on both sides of the circuit board base layer, and the insulating layer is arranged between the patterned metal layer and the circuit board base layer.

[0009] Preferably, one end of the spring abuts against the mounting frame, the other end of the spring abuts against the first pressing plate, and the spring is arranged to reset the first pressing plate.

[0010] Preferably, a threaded protrusion is arranged at the middle lower portion of the rotating shaft, and a threaded groove matched with the threaded protrusion is arranged in the interior of the mounting frame, so that the rotating shaft is fixed in the interior of the mounting frame.

[0011] Preferably, a first handle is fixedly arranged at the top of the rotating shaft, and the rotating shaft can be moved by pulling and rotating the first handle.

[0012] Preferably, a second handle is fixedly arranged at the top of the threaded rod, the bottom of the threaded rod is rotationally connected with the second pressing plate, and the threaded rod can be rotated on the top of the second pressing plate by rotating the second handle.

[0013] Preferably, the bottom of the first pressing plate and the bottom of the second pressing plate are both provided with an anti-skid layer.

[0014] Compared with the prior art, the PCB double-sided circuit board structure has the following beneficial effects:

[0015] (1) The PCB double-sided circuit board structure can fix the rotating shaft in the interior of the mounting frame by pulling and rotating the first handle, place the circuit board body on the surface of the mounting frame, and reversely rotate the first handle to reset the first pressing plate and fix the circuit board body under the action of the spring, so that the circuit board body is convenient to disassemble and assemble.

[0016] (2) The PCB double-sided circuit board structure can move the second pressing plate upward by rotating the second handle, make the second sliding block slide on the surface of the second sliding rod, reversely rotate the second handle to make the second pressing plate move downward and press and limit the second sliding block, and fix the mounting ring at different positions, so that the use effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a circuit board base layer, an insulating layer and a patterned metal layer structure schematic view of the utility model;

[0019] Figure 3 It is a first pressing plate, a connecting plate and a mounting ring structure schematic view of the utility model;

[0020] Figure 4The first sliding rod, the second sliding rod and the second sliding block structure schematic view of the utility model;

[0021] Figure 5 The utility model discloses a pivot and second lower pressing plate and threaded rod structure schematic view.

[0022] In the drawing: 1, circuit board body;101, circuit board base layer;102, insulating layer;103, patterning metal layer;2, mounting frame;3, fixing device;301, first sliding rod;302, first sliding block;303, first lower pressing plate;304, pivot;305, spring;4, mounting device;401, second sliding rod;402, second sliding block;403, connecting plate;404, mounting ring;405, second lower pressing plate;406, threaded rod. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides a technical scheme: a kind of PCB double-sided circuit board structure, including circuit board body 1, the outside of circuit board body 1 is provided with mounting frame 2, the inside of mounting frame 2 is provided with fixing device 3, the inside of mounting frame 2 is provided with mounting device 4.

[0025] Circuit board body 1 is composed of circuit board base layer 101, insulating layer 102, patterning metal layer 103, patterning metal layer 103 is arranged at the two sides of circuit board base layer 101, and insulating layer 102 is arranged between patterning metal layer 103 and circuit board base layer 101.

[0026] The fixing device 3 is composed of a first sliding rod 301, a first sliding block 302, a first pressing plate 303, a rotating shaft 304 and a spring 305. The first sliding rod 301 is fixedly installed in the interior of the mounting frame 2. The first sliding block 302 is slidingly installed on the surface of the first sliding rod 301. The first pressing plate 303 is fixedly installed on the side of the first sliding block 302. The rotating shaft 304 is rotatably installed on the top of the first pressing plate 303. The top of the rotating shaft 304 is fixedly installed with a first handle. The rotating shaft 304 can be moved by pulling and rotating the first handle. The middle and lower part of the rotating shaft 304 is provided with a threaded protrusion. The interior of the mounting frame 2 is provided with a threaded groove matched with the threaded protrusion. The threaded protrusion can be fixed in the interior of the mounting frame 2. The spring 305 is sleeved on the surface of the rotating shaft 304. One end of the spring 305 is in abutment with the mounting frame 2. The other end of the spring 305 is in abutment with the first pressing plate 303. The spring 305 is arranged to reset the first pressing plate 303.

[0027] The mounting device 4 is composed of a second sliding rod 401, a second sliding block 402, a connecting plate 403, a mounting ring 404, a second pressing plate 405 and a threaded rod 406. The second sliding rod 401 is fixedly installed in the interior of the mounting frame 2. The second sliding block 402 is slidingly installed on the surface of the second sliding rod 401. The connecting plate 403 is fixedly installed on the side of the second sliding block 402. The mounting ring 404 is fixedly installed on the side of the connecting plate 403. The second pressing plate 405 is slidingly installed on the surface of the first sliding rod 301. The bottom of the first pressing plate 303 and the bottom of the second pressing plate 405 are provided with anti-skid layers. The threaded rod 406 is screwedly installed in the interior of the mounting frame 2. The top of the threaded rod 406 is fixedly installed with a second handle. The bottom of the threaded rod 406 is rotatably connected with the second pressing plate 405. The threaded rod 406 can be rotated on the top of the second pressing plate 405 by rotating the second handle.

[0028] In use, the rotating shaft 304 can be fixed in the interior of the mounting frame 2 by pulling and rotating the first handle. The circuit board body 1 is placed on the surface of the mounting frame 2. The first pressing plate 303 is reset to fix the circuit board body 1 by reversely rotating the first handle under the action of the spring 305. The second pressing plate 405 is moved upward by rotating the second handle, so that the second sliding block 402 is slidingly arranged on the surface of the second sliding rod 401. The second pressing plate 405 is moved downward by reversely rotating the second handle, so that the second sliding block 402 is pressed and limited. The mounting ring 404 at different positions can be fixed.

[0029] It is to be noted that, in the present text, the terms such as first and second, and the like, are used merely to differentiate one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Also, the terms "comprising", "containing", or any other variant thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0030] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the present application.

Claims

1. A PCB double-sided circuit board structure comprising a circuit board body (1), characterized in that: The outside of the circuit board body (1) is provided with a mounting rack (2), the inside of the mounting rack (2) is provided with a fixing device (3), and the inside of the mounting rack (2) is provided with a mounting device (4). The fixing device (3) is composed of a first sliding rod (301), a first sliding block (302), a first pressing plate (303), a rotating shaft (304) and a spring (305), the first sliding rod (301) is fixedly installed in the inside of the mounting rack (2), the first sliding block (302) is slidingly installed on the surface of the first sliding rod (301), the first pressing plate (303) is fixedly installed on the side of the first sliding block (302), the rotating shaft (304) is rotatably installed on the top of the first pressing plate (303), and the spring (305) is sleeved on the surface of the rotating shaft (304). The mounting device (4) is composed of a second sliding rod (401), a second sliding block (402), a connecting plate (403), a mounting ring (404), a second pressing plate (405) and a threaded rod (406), the second sliding rod (401) is fixedly installed in the inside of the mounting rack (2), the second sliding block (402) is slidingly installed on the surface of the second sliding rod (401), the connecting plate (403) is fixedly installed on the side of the second sliding block (402), the mounting ring (404) is fixedly installed on the side of the connecting plate (403), the second pressing plate (405) is slidingly installed on the surface of the first sliding rod (301), and the threaded rod (406) is threadedly installed in the inside of the mounting rack (2).

2. The PCB double-sided circuit board structure of claim 1, wherein: The circuit board body (1) is composed of a circuit board base layer (101), an insulating layer (102) and a patterned metal layer (103), the patterned metal layer (103) is arranged on both sides of the circuit board base layer (101), and the insulating layer (102) is arranged between the patterned metal layer (103) and the circuit board base layer (101).

3. The PCB double-sided circuit board structure of claim 1, wherein: One end of the spring (305) abuts against the mounting rack (2), and the other end of the spring (305) abuts against the first pressing plate (303).

4. The PCB double-sided circuit board structure of claim 1, wherein: The middle and lower parts of the rotating shaft (304) are provided with a threaded protrusion, and the inside of the mounting rack (2) is provided with a threaded groove matched with the threaded protrusion.

5. The PCB double-sided circuit board structure of claim 1, wherein: The top of the rotating shaft (304) is fixedly installed with a first handle.

6. The PCB double-sided circuit board structure of claim 1, wherein: The top of the threaded rod (406) is fixedly installed with a second handle, and the bottom of the threaded rod (406) is rotatably connected with the second pressing plate (405).

7. The PCB double-sided circuit board structure of claim 1, wherein: The bottoms of the first pressing plate (303) and the second pressing plate (405) are provided with anti-skid layers.

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