Step structure circuit board

Abstract

The utility model relates to the technical field of circuit boards, in particular to a step structure circuit board, which comprises a circuit board main body, a heat dissipation plate is clamped at the bottom end of the circuit board main body, fixing seats are mounted at two ends of the top of the heat dissipation plate, and a fixing plate is clamped at the top end of each fixing seat through a mounting mechanism. Fans are mounted at the top ends of the two fixing plates, the mounting mechanism comprises a clamping assembly and a pulling assembly, the clamping assembly comprises clamping blocks, the clamping blocks are mounted at the bottom ends of the fixing plates, and splicing blocks are mounted at the two ends of the bottoms of the fixing plates; the fan cooling device is simple in structure and convenient to operate, a worker can conveniently take down a damaged fan for overhauling or replace a new fan, and the follow-up cooling effect is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a circuit board with a ladder structure. Background Art

[0002] The names of circuit boards are: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum substrate, high-frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, ultra-thin circuit board, printed circuit board, etc. In the process of using capacitor circuit boards, electronic components are prone to generate a lot of heat. If the heat is not dissipated in time, it is easy to cause the circuit board and electronic components to be damaged by temperature, short circuit, poor contact, etc. At the same time, due to the large number of electronic components on the circuit board, it is easy to cause heat dissipation to be blocked after installation, and the heat dissipation cannot be completely dissipated.

[0003] In order to solve the above technical problems, a Chinese patent with announcement number CN218976912U in the prior art discloses a capacitor circuit board with a stepped structure, including a substrate one, a substrate two is pressed onto the top side of the substrate one, a stepped groove one is provided on the top side of the substrate two, a capacitor element is arranged on the inner side of the stepped groove one, and a substrate three is pressed onto the top side of the substrate two, and a stepped groove two is provided on the top side of the substrate three.

[0004] Although the above-mentioned prior art solution improves the heat dissipation effect, its two sets of fans are arranged on both sides of the top of the heat dissipation plate. When the fan fails, it is not convenient for the staff to disassemble, replace or repair it, which affects the maintenance efficiency of the staff. Utility Model Content

[0005] The purpose of the utility model is to provide a stepped structure circuit board to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The heat dissipation plate of claim 1, wherein the bottom end of the circuit board body is clamped with a heat dissipation plate, and fixing seats are installed at two ends of the top of the heat dissipation plate, and the top of the fixing seat is clamped with a fixing plate through a mounting mechanism, and fans are installed on the tops of two groups of fixing plates. The mounting mechanism comprises a clamping assembly and a pulling assembly, and the clamping assembly comprises a clamping block, and the clamping block is installed on the bottom end of the fixing plate, and splicing blocks are installed on two ends of the bottom of the fixing plate, and splicing grooves that are clamped and connected to the splicing blocks are provided at two ends of the top of the fixing seat, and positioning blocks that are clamped and connected to the splicing grooves are installed on both sides of the two ends of the circuit board body, and the bottom end of the splicing block is attached to the top of the positioning block, and a clamping slot that is clamped and connected to the clamping block is provided at the center of the top of the fixing seat, and a movable slot is provided inside the fixing seat on one side of the clamping slot, and a movable block is slidably connected to the inner side of the movable slot, and the cross-section of the clamping block is "L"-shaped.

[0008] As a preferred solution of the utility model, the opposite ends of the movable block and the clamping block are both provided with inclined surfaces that fit each other.

[0009] As a preferred solution of the utility model, the pulling assembly includes a pull plate, an extrusion groove is opened inside the fixed seat on one side of the movable groove, the pull plate is slidably connected to the inner side of the extrusion groove, one side of the pull plate is fixedly connected to the movable block, two groups of springs are installed between the other side of the pull plate and the inner wall of the extrusion groove, a pull rod is installed on one side of the pull plate between the two groups of springs, an extension groove is opened on one side of the fixed seat, and a pinching plate is installed on the end of the pull rod extending to the inner side of the extension groove.

[0010] As a preferred solution of the utility model, a closing plate is rotatably connected to the inner side of the extension groove via a rotating shaft, and the closing plate is snap-fittedly connected to the extension groove.

[0011] As a preferred solution of the utility model, a first fixing piece is embedded and installed at one end of the top of the closing plate, and a second fixing piece corresponding to the first fixing piece is embedded and installed on the inner wall of the extension groove.

[0012] As a preferred solution of the utility model, one of the first fixing member and the second fixing member is a first magnet, and the other of the first fixing member and the second fixing member is a second magnet, and the magnetic poles of the first magnet and the second magnet are opposite and attract each other.

[0013] As a preferred solution of the utility model, a gusset plate is installed on one side of the closing plate, and the cross-section of the gusset plate is "L"-shaped.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the utility model, by pinching the pinching plate, the pull rod is driven to be pulled outward, so that the movable block and the pull plate squeeze the two sets of springs to retract. After the movable block is completely retracted into the inner side of the movable groove, the clamping block and the fixed plate together with the fan can be removed. When replacing and assembling, the clamping block is aligned with the clamping slot and pushed in, so that the inclined surfaces of the clamping block and the movable block are abutted against each other to squeeze and retract the movable block. After the clamping block is completely inserted into the clamping slot, the movable block pops out to abut the protruding end of the clamping block to complete the assembly. The structure is simple and the operation is convenient, which is convenient for the staff to remove the damaged fan for inspection or replace it with a new fan, thereby ensuring the subsequent heat dissipation effect. After the assembly, the splicing block abuts the positioning block to play a role in positioning the circuit board body.

[0016] 2. In the utility model, the closing plate can be turned over by buckling the buckle plate in cooperation with the rotating shaft. After the assembly is completed, the closing plate can be covered back, the first fixing part and the second fixing part can be adsorbed, and the pinching plate can be covered on the inner side of the extension groove to prevent accidental touch and loosening of parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure of part A;

[0019] Figure 3 It is a partial cross-sectional structural schematic diagram of the utility model.

[0020] In the figure: 1. circuit board body; 2. heat sink; 3. fixing seat; 4. fixing plate; 5. fan; 6. clamping block; 7. splicing block; 8. positioning block; 9. movable block; 10. pulling plate; 11. spring; 12. pinching plate; 13. closing plate; 14. first fixing piece; 15. second fixing piece; 16. buckle plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] Example:

[0023] See also Figure 1-Figure 3 , the utility model provides a technical solution:

[0024] The specific heat dissipation method of the heat sink 2 has been described in detail in a capacitor circuit board with a stepped structure in the comparative document announcement number CN218976912U, so it will not be repeated in this solution.

[0025] A step-structured circuit board comprises a circuit board body 1, a heat sink 2 is clamped at the bottom end of the circuit board body 1, a fixing seat 3 is installed at both ends of the top of the heat sink 2, a fixing plate 4 is clamped at the top of the fixing seat 3 through a mounting mechanism, a fan 5 is installed at the top of two sets of fixing plates 4, the mounting mechanism comprises a clamping assembly and a pulling assembly, the clamping assembly comprises a clamping block 6, the clamping block 6 is mounted on the bottom end of the fixing plate 4, splicing blocks 7 are installed at both ends of the bottom of the fixing plate 4, splicing grooves are provided at both ends of the top of the fixing seat 3 to be clamped and connected with the splicing block 7, and the circuit board Both sides of both ends of the main body 1 are equipped with positioning blocks 8 that are engaged with the splicing grooves, the bottom of the splicing block 7 is attached to the top of the positioning block 8, a card slot that is engaged with the card block 6 is opened at the center of the top of the fixed seat 3, a movable groove is opened inside the fixed seat 3 on one side of the card slot, and a movable block 9 is slidably connected inside the movable groove. The cross-section of the card block 6 is "L"-shaped, and the opposite ends of the movable block 9 and the card block 6 are both provided with inclined surfaces that fit each other. The pulling component includes a pulling plate 10, and an extrusion groove is opened inside the fixed seat 3 on one side of the movable groove. The pulling plate 10 slides It is connected to the inner side of the extrusion groove, one side of the pull plate 10 is fixedly connected to the movable block 9, two groups of springs 11 are installed between the other side of the pull plate 10 and the inner wall of the extrusion groove, a pull rod is installed between the two groups of springs 11 on one side of the pull plate 10, an extension groove is opened on one side of the fixed seat 3, and a pinching plate 12 is installed at one end of the pull rod extending to the inner side of the extension groove. When the device is used, the pull rod can be pulled outward by pinching the pinching plate 12, so that the movable block 9 and the pull plate 10 squeeze the two groups of springs 11 to retract, and the block can be clamped after the movable block 9 is completely retracted into the inner side of the movable groove. 6 and the fixed plate 4 are removed together with the fan 5. When replacing and assembling, the card block 6 is aligned with the card slot and pushed into the card slot, so that the inclined surfaces of the card block 6 and the movable block 9 are abutted against each other to squeeze and retract the movable block 9. After the card block 6 is completely inserted into the card slot, the movable block 9 pops out and abuts against the protruding end of the card block 6 to complete the assembly. The structure is simple and the operation is convenient, which makes it easy for the staff to remove the damaged fan 5 for inspection or replace it with a new fan 5, thereby ensuring the subsequent heat dissipation effect. After the assembly, the splicing block 7 abuts against the positioning block 8 to position the circuit board body 1.

[0026] In this embodiment, if Figure 1 , Figure 2 and Figure 3As shown, a closing plate 13 is rotatably connected to the inner side of the extension groove through a rotating shaft, and the closing plate 13 is snap-connected to the extension groove. A first fixing piece 14 is embedded and installed at one end of the top of the closing plate 13, and a second fixing piece 15 corresponding to the first fixing piece 14 is embedded and installed on the inner wall of the extension groove. One of the first fixing piece 14 and the second fixing piece 15 is a first magnet, and the other of the first fixing piece 14 and the second fixing piece 15 is a second magnet. The magnetic poles of the first magnet and the second magnet are opposite and attract each other. A buckle plate 16 is installed on one side of the closing plate 13, and the cross-section of the buckle plate 16 is "L"-shaped. By buckling the buckle plate 17 and cooperating with the rotating shaft, the closing plate 13 can be turned over. After assembly, the closing plate 13 can be covered back to allow the first fixing piece 14 and the second fixing piece 15 to be adsorbed, and the pinching plate 12 is covered on the inner side of the extension groove to avoid accidental touch and loosening of components.

[0027] The implementation principle of a step-structured circuit board in the embodiment of the present application is as follows: when the device is used, the pinching plate 12 can be pinched to drive the pull rod to be pulled outward, so that the movable block 9 and the pull plate 10 squeeze the two sets of springs 11 to retract. After the movable block 9 is completely retracted into the inner side of the movable groove, the clamping block 6 and the fixed plate 4 together with the fan 5 can be removed. When replacing and assembling, the clamping block 6 is aligned with the clamping slot and pushed into the clamping slot, so that the inclined surfaces of the clamping block 6 and the movable block 9 are abutted against each other to squeeze and retract the movable block 9. After the clamping block 6 is completely inserted into the clamping slot, the movable block 9 pops out and abuts against the protruding end of the clamping block 6. The assembled structure is simple and easy to operate, which makes it convenient for the staff to remove the damaged fan 5 for maintenance or replace it with a new fan 5, thereby ensuring the subsequent heat dissipation effect. After the assembly, the splicing block 7 is against the positioning block 8 to position the circuit board body 1. The closing plate 13 can be driven to flip by buckling the buckle plate 17 and cooperating with the rotating shaft. After the assembly is completed, the closing plate 13 can be covered back to allow the first fixing member 14 and the second fixing member 15 to be adsorbed, and the pinching plate 12 can be covered on the inner side of the extension groove to avoid accidental touch and loosening of components.

[0028] The control method of the present invention is controlled by a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. In addition, the present invention is used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stepped structure circuit board, comprising a circuit board body (1), characterized in that: The bottom end of the circuit board body (1) is clamped with a heat sink (2), both ends of the top of the heat sink (2) are installed with a fixing seat (3), the top of the fixing seat (3) is clamped with a fixing plate (4) through a mounting mechanism, and fans (5) are installed at the tops of the two groups of fixing plates (4), the mounting mechanism comprises a clamping assembly and a pulling assembly, the clamping assembly comprises a clamping block (6), the clamping block (6) is installed at the bottom of the fixing plate (4), both ends of the bottom of the fixing plate (4) are installed with a splicing block (7), the fixing Both ends of the top of the seat (3) are provided with splicing grooves that are snap-connected with the splicing block (7); positioning blocks (8) that are snap-connected with the splicing grooves are installed on both sides of both ends of the circuit board body (1); the bottom end of the splicing block (7) is attached to the top of the positioning block (8); a slot that is snap-connected with the clamping block (6) is provided at the center of the top of the fixed seat (3); a movable groove is provided inside the fixed seat (3) on one side of the slot; a movable block (9) is slidably connected to the inside of the movable groove; and the cross section of the clamping block (6) is "L"-shaped.

2. The stepped structure circuit board according to claim 1, characterized in that: The opposite ends of the movable block (9) and the clamping block (6) are both provided with inclined surfaces that fit each other.

3. The stepped structure circuit board according to claim 1, characterized in that: The pulling assembly comprises a pulling plate (10), an extrusion groove is provided inside the fixed seat (3) on one side of the movable groove, the pulling plate (10) is slidably connected to the inner side of the extrusion groove, one side of the pulling plate (10) is fixedly connected to the movable block (9), two groups of springs (11) are installed between the other side of the pulling plate (10) and the inner wall of the extrusion groove, a pulling rod is installed on one side of the pulling plate (10) between the two groups of springs (11), an extension groove is provided on one side of the fixed seat (3), and a pinching plate (12) is installed on one end of the pulling rod extending to the inner side of the extension groove.

4. The step structure circuit board according to claim 3, characterized in that: A closing plate (13) is rotatably connected to the inner side of the extension groove via a rotating shaft, and the closing plate (13) is snap-fittedly connected to the extension groove.

5. The step structure circuit board according to claim 4, characterized in that: A first fixing member (14) is embedded and installed at one end of the top of the closing plate (13), and a second fixing member (15) corresponding to the first fixing member (14) is embedded and installed on the inner wall of the extension groove.

6. The step structure circuit board according to claim 5, characterized in that: One of the first fixing member (14) and the second fixing member (15) is a first magnet, and the other of the first fixing member (14) and the second fixing member (15) is a second magnet. The magnetic poles of the first magnet and the second magnet are opposite and attract each other.

7. The stepped structure circuit board according to claim 4, characterized in that: A gusset plate (16) is installed on one side of the closing plate (13), and the cross section of the gusset plate (16) is "L"-shaped.

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