CN220307518U

CN220307518U - Antistatic PCBA mainboard

Info

Publication number: CN220307518U
Application number: CN202321647101.9U
Authority: CN
Inventors: 熊哲伟; 胡运鹏; 向纹乐
Original assignee: Shenzhen Kailian Telecom Electronics Co ltd
Current assignee: Shenzhen Kailian Telecom Electronics Co ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2024-01-05
Anticipated expiration: 2033-06-27

Abstract

The utility model discloses an antistatic PCBA main board manufactured by PCBA boards, which comprises a PCBA main board and is characterized in that: two chips are arranged on a PCBA main board, a clamping groove is formed in the lower portion of the chip, a clamping block is arranged beside the clamping groove, a push rod is arranged below the clamping block, a sliding groove is arranged below the push rod, the PCBA main board is arranged on a bottom plate, a heat dissipation hole, a cavity, a fan vent and a fan mounting groove are formed in the bottom plate, main board fixing blocks are arranged above the front surface and the rear surface of the bottom plate, the main board fixing blocks are composed of tightening screws, fixing blocks, shafts, springs, cushion blocks and sliding bars, a heat dissipation fan is arranged in the fan mounting groove of the bottom plate, and two main board limiting blocks are respectively arranged on the left side and the right side of the bottom plate. The whole bottom plate, the fixed block and the limiting block can play a role in preventing static electricity, the fan can radiate heat well for the PCBA main board, and the clamping groove and the clamping block of the chip are designed to be convenient for quick replacement.

Description

Antistatic PCBA mainboard

Technical Field

The utility model relates to the field of PCBA board manufacturing, in particular to an antistatic PCBA main board.

Background

The PCBA motherboard is an important electronic component, is a support for electronic components, and is a provider for circuit connection of electronic components. Also known as printed circuit boards, printed wiring boards are referred to as "printed" circuit boards because they are fabricated using electronic printing techniques. Before the appearance of printed circuit boards, interconnections between electronic components are made by direct connection of wires to complete the circuit. Circuit panels now exist only as effective experimental tools, while printed circuit boards have become an absolute dominance in the electronics industry.

However, the prior art has the following problems:

1. most of the existing PCBA boards are bare boards, and the existing PCBA boards are easy to collide and damage in the transportation process;

2. the existing PCBA board adopts four corner screw tightening modes, the frequent disassembly and assembly can cause damage to the board body to a certain extent, and in addition, the chip adopts a welding mode, so that the replacement is inconvenient after the chip is damaged;

3. the bare board has poor heat dissipation effect and can affect the electronic device after long-time use.

Disclosure of Invention

The utility model aims to provide an antistatic PCBA main board so as to solve the problems of transportation damage, inconvenient chip replacement and poor heat dissipation effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the anti-static PCBA main board comprises a PCBA main board, two chips are arranged on the PCBA main board, clamping blocks are arranged beside the clamping grooves, pushing rods are arranged below the clamping blocks, sliding grooves are arranged below the pushing rods, the PCBA main board is arranged on a bottom plate, a heat dissipation hole, a cavity, a fan vent and a fan mounting groove are formed in the bottom plate, main board fixing blocks are arranged above the front surface and the rear surface of the bottom plate, the main board fixing blocks consist of tightening screws, fixing blocks, shafts, springs, cushion blocks and sliding rods, a cooling fan is arranged in the fan mounting groove of the bottom plate, and two main board limiting blocks are respectively arranged on the left side and the right side of the bottom plate.

As a further scheme of the utility model, two chips are arranged on the PCBA main board, a clamping groove is formed below the chips, a clamping block is arranged on the clamping groove, the edge of the clamping block is connected with the PCBA main board, a push rod is arranged below the clamping block, and the push rod is arranged in the sliding groove. The clamping block can be separated from the clamping groove by pushing the push rod, so that the chip can be ejected out, and the chip can be replaced conveniently.

As a further scheme of the utility model, a fan mounting groove is formed below the bottom plate, the cooling fan is arranged in the fan mounting groove through four threaded holes, a fan vent is formed above the fan mounting groove, a cavity is formed above the fan vent, and a series of cooling holes are formed above the cavity. Through radiator fan blowing fan vent, cavity and louvre, can realize letting PCBA mainboard radiating effect.

As a further scheme of the utility model, two main board fixing blocks are respectively arranged above the front and rear surfaces of the bottom board, and two main board limiting blocks are respectively arranged on two sides of the bottom board. The PCBA main board is arranged between the main board fixing block and the main board limiting block.

As a further scheme of the utility model, the main body of the main board fixing block is a fixing block body, a groove is formed in the inner surface of the fixing block body, a shaft is arranged in the groove, the edges of the two ends of the shaft are connected with sliding rods, and springs are arranged on the sliding rods. When the PCBA main board is installed, the shaft is extruded into the fixed block, the spring is contracted, and the PCBA main board is effectively extruded.

As a further scheme of the utility model, an elastic groove is formed in the wire clamp, two threaded holes are formed in two ends of the fixed block, two tightening screws are respectively connected, and the top ends of the tightening screws are connected with a sliding rod. When the PCBA main board is installed, the tightening screw is locked, so that the PCBA main board can be fixed.

As a further scheme of the utility model: and a cushion block is arranged at the front end of the shaft, and the cushion block props against the PCBA main board. The cushion blocks pad the PCBA main board, so that the bottom board and the PCBA main board have a certain distance, and the PCBA main board can radiate heat better.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the PCBA main board is arranged in the bottom board, the main board fixing block and the main board limiting block, so that the PCBA main board can be effectively protected from any damage in transportation;

2. in the utility model, a certain gap is reserved between the PCBA main board and the bottom board through the cushion block, and then the fan ventilation opening, the cavity and the radiating holes are blown by the radiating fan, so that the PCBA main board can radiate heat;

3. according to the utility model, the chip can be quickly assembled and disassembled through the combination of the push rod, the clamping groove and the clamping block.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal shaft mating structure of the present utility model;

FIG. 3 is a schematic diagram of the structure of the air vent and the heat sink of the bottom plate of the present utility model;

fig. 4 is a schematic diagram of the chip assembly and disassembly structure of the present utility model.

In the figure: 1. PCBA main board; 2. a bottom plate; 201. a heat radiation hole; 202. a cavity; 203. a fan vent; 204. a fan mounting groove; 3. a main board fixing block; 301. tightening the screw; 302. fixing the block; 303. a shaft; 304. a spring; 305. a cushion block; 306. a slide bar; 4. a main board limiting block; 5. a heat radiation fan; 6. a chip; 7. a clamping groove; 8. a clamping block; 9. a chute; 10. a push rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, in the embodiment of the utility model, the antistatic PCBA motherboard comprises a PCBA motherboard 1, two chips 6 are mounted on the PCBA motherboard 1, a clamping groove 7 is mounted at the lower part of the chips 6, a clamping block 8 is mounted beside the clamping groove 7, a push rod 10 is mounted below the clamping block 8, a chute 9 is mounted below the push rod 10, the PCBA motherboard 1 is arranged on a bottom plate 2, a heat dissipation hole 201, a cavity 202, a fan ventilation opening 203 and a fan mounting groove 204 are formed on the bottom plate 2, motherboard fixing blocks 3 are mounted above the front and rear surfaces of the bottom plate 2, the motherboard fixing blocks 3 are composed of tightening screws 301, fixing blocks 302, shafts 303, springs 304, cushion blocks 305 and sliding bars 306, a heat dissipation fan 5 is mounted in the fan mounting groove 204 of the bottom plate 2, and two motherboard limiting blocks 4 are mounted at the left and right sides of the bottom plate 2 respectively. By arranging the PCBA main board 1 into the bottom board 2, the main board fixing block 3 and the main board limiting block 4, the PCBA main board 1 can be effectively protected from any damage in transportation; the PCBA main board 1 and the bottom board 2 can be provided with a certain gap through the cushion block 305, and then the cooling fan 5 blows the fan ventilation opening 203, the cavity 202 and the cooling holes 201, so that the PCBA main board 1 can dissipate heat; the chip 6 can be quickly assembled and disassembled through the combination of the push rod 10, the clamping groove 7 and the clamping block 8.

Wherein, two chips 6 are equipped with on the PCBA mainboard 1, and open the below of chip 6 has draw-in groove 7, is equipped with fixture block 8 on the draw-in groove 7, and the edge of fixture block 8 is connected with PCBA mainboard 1, and push rod 10 is equipped with to the below of fixture block 8, and push rod 10 is arranged in spout 9. The clamping block 8 can be separated from the clamping groove 7 by pushing the push rod 10, so that the chip 6 is ejected out, and the chip 6 is convenient to replace.

A fan installation groove 204 is formed below the bottom plate 2, the cooling fan 5 is arranged in the fan installation groove 204 through four threaded holes, a fan ventilation opening 203 is formed above the fan installation groove 204, a cavity 202 is formed above the fan ventilation opening 203, and a series of cooling holes 201 are formed above the cavity 202. By blowing the fan vent 203, the cavity 202, and the heat dissipation holes 201 by the heat dissipation fan 5, the effect of dissipating heat from the PCBA motherboard 1 can be achieved.

Two mainboard fixed blocks 3 are respectively arranged above the front surface and the rear surface of the bottom plate 2, and two side edges of the bottom plate 2 are respectively provided with two mainboard limiting blocks 4. The PCBA main board 1 is arranged between the main board fixing block 3 and the main board limiting block 4.

The main body of the main board fixing block 3 is a fixing block body 302, a groove is formed in the inner surface of the fixing block body 302, a shaft 303 is arranged in the groove, the edges of the two ends of the shaft 303 are connected with a sliding rod 306, and a spring 304 is arranged on the sliding rod 306. When the PCBA main board 1 is assembled, the shaft 303 is extruded into the fixed block 302, the springs 304 are contracted, and the shaft is effectively extruded into the PCBA main board 1.

Two threaded holes are formed in two ends of the fixed block 302, two tightening screws 301 are respectively connected, and the top ends of the tightening screws 301 are connected with sliding rods 306. When the PCBA main board 1 is assembled, the tightening screw 301 is locked, so that the PCBA main board 1 can be fixed.

The front end of the shaft 303 is provided with a cushion block 305, and the cushion block 305 is propped against the PCBA main board 1. The cushion block 305 pads the PCBA motherboard 1, so that the bottom plate 2 and the PCBA motherboard 1 have a certain distance, and the PCBA motherboard 1 can dissipate heat better.

The working principle and the using flow of the utility model are as follows: firstly, the chip 6 is installed, the push rod 10 is pushed to the rightmost side, the chip 6 can be directly clamped into the groove, and when the chip 6 needs to be taken out, the chip 6 can be directly ejected out according to the characteristic that the front end of the push rod 10 is obliquely upwards as long as the push rod 10 is pushed to the left. After the chip 6 is installed, the whole PCBA main board 1 can be installed, first four tightening screws 301 on the front side and the rear side are screwed to the rearmost end, at this time, the PCBA main board 1 is directly placed in the middle of the main board fixing block 3 and the main board limiting block 4 until the bottom of the PCBA main board 1 is contacted with the cushion block 305, at this time, the shaft 303 is propped against the inside of the groove of the fixing block 302, the spring 304 is contracted, the shaft 303 is wholly propped against the PCBA main board 1, at this time, the tightening screws 301 are screwed, and the PCBA main board 1 can be locked. When not in use, the PCBA motherboard 1 can be directly taken out by simply screwing the tightening screw 301 to the rearmost position. The utility model can solve the problems of transportation damage, inconvenient replacement of the chip 6 and poor heat dissipation effect.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Antistatic PCBA mainboard, including PCBA mainboard (1), its characterized in that: two chips (6) are installed on PCBA mainboard (1), draw-in groove (7) are installed to the lower part of chip (6), fixture block (8) are installed next to draw-in groove (7), the below of fixture block (8) is push rod (10), the below of push rod (10) is spout (9), on bottom plate (2) are placed in PCBA mainboard (1), it has louvre (201), cavity (202), fan vent (203) and fan mounting groove (204) to open on bottom plate (2), mainboard fixed block (3) are installed to two front and back face top of bottom plate (2), mainboard fixed block (3) comprise screw (301) are screwed up, fixed block (302), axle (303), spring (304), cushion (305) and slide bar (306), fan mounting groove (204) of bottom plate (2) are equipped with radiator fan (5), two stopper (4) are installed respectively on the left and right sides of bottom plate (2).

2. The antistatic PCBA motherboard of claim 1, wherein: two chips (6) are installed on the PCBA mainboard (1), draw-in groove (7) are opened to the below of chip (6), fixture block (8) are installed on draw-in groove (7), the edge of fixture block (8) is connected with PCBA mainboard (1), push rod (10) are installed to the below of fixture block (8), push rod (10) are arranged in spout (9).

3. The antistatic PCBA motherboard of claim 1, wherein: the fan mounting groove (204) is formed in the lower portion of the bottom plate (2), the cooling fan (5) is arranged in the fan mounting groove (204) through four threaded holes, the fan vent (203) is formed in the upper portion of the fan mounting groove (204), the cavity (202) is formed in the upper portion of the fan vent (203), and a series of cooling holes (201) are formed in the upper portion of the cavity (202).

4. The antistatic PCBA motherboard of claim 1, wherein: two mainboard fixed blocks (3) are respectively arranged above the front surface and the rear surface of the bottom plate (2), and two sides of the side edge of the bottom plate (2) are respectively provided with two mainboard limiting blocks (4).

5. The antistatic PCBA motherboard of claim 1, wherein: the main body of the main board fixing block (3) is a fixing block body (302), a groove is formed in the inner surface of the fixing block body (302), a shaft (303) is arranged in the groove, the edges of the two ends of the shaft (303) are connected with sliding rods (306), and springs (304) are arranged on the sliding rods (306).

6. The antistatic PCBA motherboard of claim 1, wherein: two threaded holes are formed in two ends of the fixed block body (302), two tightening screws (301) are respectively connected, and the top ends of the tightening screws (301) are connected with sliding rods (306).

7. The antistatic PCBA motherboard of claim 1, wherein: and a cushion block (305) is arranged at the front end of the shaft (303), and the cushion block (305) props against the PCBA main board (1).