Pluggable mounting structure of circuit board

Abstract

The utility model discloses a circuit board plugging installation structure which comprises an installation frame and a circuit board body provided with a plurality of elements, one end of the circuit board body is provided with a plurality of fixing plates provided with circular grooves, inclined blocks are oppositely arranged in the circular grooves, and the inclined blocks are elastically connected with the circular grooves. A sleeve is fixedly installed on the inner wall of the installation frame, a fixing rod is installed in the sleeve in a concentric mode, a first circular truncated cone is fixedly connected to the end, away from the sleeve, of the fixing rod, a second circular truncated cone is arranged between the first circular truncated cone and the sleeve, and the first circular truncated cone and the second circular truncated cone are oppositely arranged. And a first elastic piece is arranged between the second circular truncated cone and the inner wall of the sleeve. The circuit board plugging installation structure realizes rapid dismounting and installation of the circuit board, is simple and convenient to use, is beneficial for personnel to plug the circuit board on the device, avoids the situation that the circuit board is damaged due to random placement, and improves the safety of the circuit board.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board testing, in particular to a circuit board plug-in installation structure. Background Art

[0002] For electronic devices with complex structures, complicated internal parts layouts, and numerous internal circuit boards, such as servers, when some of the internal boards fail, the faulty boards are usually removed by hot-swap. This method does not require shutting down the system or cutting off the power, thereby improving the system's fault recovery capabilities and flexibility.

[0003] After searching, the patent publication number CN113556908B discloses a "card plug-in and pull-out structure for testing plug-in integrated circuit boards", which includes a fixed unit part and a rotating unit part. The fixed unit part includes a bottom plate, a front panel installed on the front side of the bottom plate, an auxiliary puller installed on the front panel, and a base installed on the bottom plate. The rotating unit part includes a rotating plate hinged to the base, a locking buckle and a guide rail installed on the rotating plate. The guide rail is provided with a guide groove for guiding the insertion and extraction of the card, and the locking buckle is locked with the bottom plate. The device facilitates the removal of the card, and the rotating unit part has a locking design, which is locked with the bottom plate through the locking buckle to prevent the rotating unit part from being opened by mistake.

[0004] In the prior art, during the testing of a circuit board, the circuit board needs to be installed on a motherboard. After the test is completed, the circuit board needs to be removed and replaced with another circuit board for testing. However, if the circuit board is placed randomly, the plug-in pins on the circuit board are easily bumped and deformed. It is also inconvenient for personnel to manage, so personnel need to spend extra time to organize, resulting in low efficiency. Summary of the invention

[0005] The purpose of the utility model is to provide a circuit board plug-in installation structure, which realizes the rapid removal and installation of the circuit board, is simple and convenient to use, is convenient for personnel to manage the circuit board, and avoids the situation where the circuit board is damaged due to random placement.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a circuit board plug-in installation structure, comprising: a mounting frame, a circuit board body with a plurality of components mounted thereon, a plurality of fixing plates with circular grooves mounted at one end of the circuit board body, and an inclined block is relatively arranged inside the circular groove, and the inclined block is elastically connected to the circular groove;

[0007] A sleeve is fixedly installed on the inner wall of the installation frame, and a fixing rod is concentrically installed inside the sleeve. The fixing rod is fixedly connected to a first frustum at one end away from the sleeve, and a second frustum is arranged between the first frustum and the sleeve. The first frustum and the second frustum are arranged back to back, and a first elastic member is arranged between the second frustum and the inner wall of the sleeve.

[0008] The further improved scheme in the above technical scheme is as follows:

[0009] 1. In the above scheme, a through groove is provided on both sides of the circular groove and perpendicular to the axis thereof, and a second elastic member is provided between the through groove and the inclined block.

[0010] 2. In the above solution, a guide column is slidably connected inside the through groove, and the guide column of the second elastic member is sleeved on the circumferential outer wall and fixedly connected to the inclined block.

[0011] 3. In the above solution, the diameter of the circular groove is 1.5 to 3 times the diameter of the through groove.

[0012] 4. In the above solution, a fixing ring is provided on one side of the second truncated cone relative to the first truncated cone.

[0013] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0014] The utility model discloses a circuit board plug-in installation structure, when installing, by pushing the circuit board into the installation frame, so that the first round table and the second round table are embedded in the circular groove of the fixing block, and the inclined block slides along the surface of the first round table until it is embedded between the first round table and the second round table, thereby realizing the quick connection and fixation of the circuit board and the installation frame. When disassembling, by pressing the circuit board into the installation frame, the fixing block moves toward one side of the sleeve, so that the inclined block moves from between the first round table and the second round table to between the second round table and the sleeve, and then the circuit board is pulled to the side away from the sleeve, so that after the first round table and the second round table are close to each other, the inclined block slides along the surface of the second round table until it is separated from the second round table, so that the circuit board and the installation frame can be quickly disassembled, and the circuit board and the installation frame can be quickly connected and disassembled. The utility model is simple and convenient to use, which is conducive to personnel plugging the circuit board into the installation frame, and is convenient for personnel to manage the circuit board, avoids the situation where the circuit board is damaged due to random placement, and improves the safety of the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Attached Figure 1 This is a schematic diagram of the structure of the circuit board plug-in installation structure of the utility model;

[0016] Attached Figure 2 It is a schematic cross-sectional structure diagram of the plug-in installation structure of the circuit board of the utility model;

[0017] Attached Figure 3 It is an enlarged cross-sectional view of the plug-in installation structure of the circuit board of the utility model;

[0018] Attached Figure 4 It is a partial structural exploded view of the circuit board plug-in installation structure of the utility model.

[0019] In the above figures: 1, mounting frame; 2, circuit board body; 3, component; 4, fixing plate; 5, circular groove; 6, sleeve; 7, first elastic member; 8, through groove; 9, fixing ring; 101, first truncated cone; 102, second truncated cone; 103, moving rod; 104, inclined block; 105, second elastic member; 106, guide column. DETAILED DESCRIPTION

[0020] The present invention can be further understood through the specific embodiments given below, but they are not intended to limit the present invention.

[0021] Embodiment 1: A circuit board plug-in installation structure, comprising: an installation frame 1, a circuit board body 2 with a plurality of components 3 installed thereon, a plurality of fixing plates 4 with circular grooves 5 installed at one end of the circuit board body 2, and an inclined block 104 is relatively arranged inside the circular groove 5, and the inclined block 104 is elastically connected to the circular groove 5;

[0022] When the circuit board body needs to be taken out, the circuit board body is first pushed, and the inclined block slides from between the first truncated cone and the second truncated cone to the second truncated cone, and the side of the inclined block is clamped on the fixing ring, and the first elastic member is deformed at the same time. When the second truncated cone and the first truncated cone are fitted with each other, the circuit board body is pulled, and finally the inclined block is driven by the second elastic member to slide on the surface of the first truncated cone, and finally the first truncated cone is separated from the inside of the circular groove;

[0023] A sleeve 6 is fixedly mounted on the inner wall of the mounting frame 1, and a fixing rod 103 is concentrically mounted inside the sleeve 6. A first truncated platform 101 is fixedly connected to one end of the fixing rod 103 away from the sleeve 6, and a second truncated platform 102 is arranged between the first truncated platform 101 and the sleeve 6. The first truncated platform 101 and the second truncated platform 102 are arranged back to back, and a first elastic member 7 is arranged between the second truncated platform 102 and the inner wall of the sleeve 6;

[0024] When the circuit board needs to be installed, the first truncated cone corresponding to the circular groove is inserted into the installation frame, and then the surface of the first truncated cone contacts the inclined block. At the same time, the first truncated cone squeezes the inclined block to compress the second elastic member and continue to push the circuit board body. When the inclined block contacts the fixing ring and makes the inclined block located between the first truncated cone and the second truncated cone, at this time, the second elastic member is reset to drive the inclined block to be inserted between the first truncated cone and the second truncated cone, and the installation of the circuit board body is completed.

[0025] A through slot 8 is provided on both sides of the circular slot 5 and perpendicular to the axis thereof. A second elastic member 105 is provided between the through slot 8 and the inclined block 104 .

[0026] A guide post 106 is slidably connected inside the through groove 8 , and the guide post 106 on which the second elastic member 105 is sleeved on the circumferential outer wall is fixedly connected to the inclined block 104 .

[0027] The quick connection and disassembly of the circuit board and the installation frame is realized, and the use is simple and convenient, which is conducive to personnel plugging the circuit board into the installation frame, facilitating personnel to manage the circuit board, avoiding the situation where the circuit board is damaged due to random placement, and improving the safety of the circuit board.

[0028] The diameter of the circular groove 5 is 1.8 times the diameter of the through groove 8 .

[0029] A fixing ring 9 is provided on one side of the second truncated platform 102 opposite to the first truncated platform 101 .

[0030] The inner diameter of the sleeve 6 is 2.5 times the diameter of the fixing rod 105 .

[0031] Embodiment 2: A circuit board plug-in installation structure, comprising: an installation frame 1, a circuit board body 2 with a plurality of components 3 installed thereon, a plurality of fixing plates 4 with circular grooves 5 installed at one end of the circuit board body 2, and an inclined block 104 is relatively arranged inside the circular groove 5, and the inclined block 104 is elastically connected to the circular groove 5;

[0032] During installation, the circuit board is pushed into the installation frame so that the first truncated cone and the second truncated cone are embedded in the circular groove of the fixing block, and the inclined block slides along the surface of the first truncated cone until it is embedded between the first truncated cone and the second truncated cone, thereby realizing the quick connection and fixation between the circuit board and the installation frame;

[0033] A sleeve 6 is fixedly mounted on the inner wall of the mounting frame 1, and a fixing rod 103 is concentrically mounted inside the sleeve 6. A first truncated platform 101 is fixedly connected to one end of the fixing rod 103 away from the sleeve 6, and a second truncated platform 102 is arranged between the first truncated platform 101 and the sleeve 6. The first truncated platform 101 and the second truncated platform 102 are arranged back to back, and a first elastic member 7 is arranged between the second truncated platform 102 and the inner wall of the sleeve 6;

[0034] During disassembly, the circuit board is pressed into the mounting frame to move the fixed block toward the sleeve, so that the inclined block moves from between the first truncated cone and the second truncated cone to between the second truncated cone and the sleeve, and then the circuit board is pulled toward the side away from the sleeve, so that the first truncated cone and the second truncated cone are close to each other, and the inclined block slides along the surface of the second truncated cone until it is separated from the second truncated cone, so that the circuit board and the mounting frame can be quickly disassembled;

[0035] A through slot 8 is provided on both sides of the circular slot 5 and perpendicular to the axis thereof. A second elastic member 105 is provided between the through slot 8 and the inclined block 104 .

[0036] A guide post 106 is slidably connected inside the through groove 8 , and the guide post 106 on which the second elastic member 105 is sleeved on the circumferential outer wall is fixedly connected to the inclined block 104 .

[0037] The diameter of the circular groove 5 is 2.7 times the diameter of the through groove 8 .

[0038] A fixing ring 9 is provided on one side of the second truncated platform 102 opposite to the first truncated platform 101 .

[0039] The inner diameter of the sleeve 6 is 3.6 times the diameter of the fixing rod 105 .

[0040] The working principle of the utility model is as follows:

[0041] When in use, when the circuit board body needs to be taken out, the circuit board body is first pushed, and the inclined block slides from between the first truncated cone and the second truncated cone to the second truncated cone, and the side of the inclined block is clamped on the fixing ring, and the first elastic member is deformed at the same time. When the second truncated cone and the first truncated cone are fitted with each other, the circuit board body is pulled, and finally the inclined block is driven by the second elastic member to push the inclined block to slide on the surface of the first truncated cone, and finally the first truncated cone is separated from the inside of the circular groove;

[0042] When the circuit board needs to be installed, the first truncated cone corresponding to the circular groove is inserted into the installation frame, and then the surface of the first truncated cone contacts the inclined block. At the same time, the first truncated cone squeezes the inclined block to compress the second elastic member and continue to push the circuit board body. When the inclined block contacts the fixing ring and makes the inclined block located between the first truncated cone and the second truncated cone, at this time, the second elastic member is reset to drive the inclined block to be inserted between the first truncated cone and the second truncated cone, and the installation of the circuit board body is completed.

[0043] When the above-mentioned circuit board plug-in installation structure is adopted, it realizes the quick connection and disassembly of the circuit board and the installation frame, and is simple and convenient to use, which is conducive to personnel plugging the circuit board into the installation frame, facilitating personnel to manage the circuit board, avoiding the situation where the circuit board is damaged due to random placement, and improving the safety of the circuit board.

[0044] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A circuit board plug-in installation structure, comprising: A mounting frame (1) is arranged on one side of a test bench, and a circuit board body (2) is mounted with a plurality of components (3), characterized in that: a plurality of fixing plates (4) having circular grooves (5) are mounted on one end of the circuit board body (2), and an inclined block (104) is relatively arranged inside the circular groove (5), and the inclined block (104) is elastically connected to the circular groove (5); A sleeve (6) is fixedly mounted on the inner wall of the mounting frame (1), and a fixing rod (103) is concentrically mounted inside the sleeve (6); an end of the fixing rod (103) away from the sleeve (6) is fixedly connected to a first truncated cone (101), and a second truncated cone (102) is arranged between the first truncated cone (101) and the sleeve (6); the first truncated cone (101) and the second truncated cone (102) are arranged opposite to each other, and a first elastic member (7) is arranged between the second truncated cone (102) and the inner wall of the sleeve (6).

2. The circuit board plug-in installation structure according to claim 1, characterized in that: A through groove (8) is provided on both sides of the circular groove (5) and is perpendicular to the axis thereof, and a second elastic member (105) is provided between the through groove (8) and the inclined block (104).

3. The circuit board plug-in installation structure according to claim 2, characterized in that: A guide column (106) is slidably connected inside the through groove (8), and the guide column (106) on which the second elastic member (105) is sleeved on the circumferential outer wall is fixedly connected to the inclined block (104).

4. The circuit board plug-in installation structure according to claim 1, characterized in that: The diameter of the circular groove (5) is 1.5 to 3 times the diameter of the through groove (8).

5. The circuit board plug-in installation structure according to claim 1, characterized in that: A fixing ring (9) is provided on a side of the second truncated cone (102) opposite to the first truncated cone (101).

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