CN212163991U

CN212163991U - Multilayer PCB board fixing device

Info

Publication number: CN212163991U
Application number: CN202020793367.4U
Authority: CN
Inventors: 刘一鸣
Original assignee: Suzhou Huiliyuan Technology Co ltd
Current assignee: Suzhou Huiliyuan Technology Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-12-15
Anticipated expiration: 2030-05-13

Abstract

The utility model belongs to the technical field of PCB boards, in particular to a multi-layer PCB board fixing device, which comprises a shell and a circuit board; the shell is of a groove structure with an opening at the top, supporting plates for supporting the circuit board are symmetrically and fixedly connected to the inner walls of two sides of the shell, fixing assemblies for fixing the circuit board are fixedly mounted at the tops of the two sides of the shell, and each fixing assembly comprises a fixing column, a sliding plate, a top plate and a screw rod; one side of the sliding plate is sleeved outside the fixed column, the top plate is fixed at the top end of the fixed column, the screw rod penetrates through the top plate, one end of the screw rod is rotatably connected with the top of the sliding plate through a bearing, and the other end of the screw rod is fixedly connected with a rotating handle; a vertical rod is fixedly connected to one side, facing the opening of the shell, of the sliding plate, and a pressing plate is fixedly connected to the bottom end of the vertical rod; the utility model discloses can dismantle and fixed mounting to the circuit board fast, and the difficult wearing and tearing of circuit board, long service life.

Description

Multilayer PCB board fixing device

Technical Field

The utility model relates to a PCB board technical field specifically is a multilayer PCB board fixing device.

Background

PCB (printed Circuit board), which is called printed Circuit board in chinese, also called printed Circuit board, PCB board, is an important electronic component, which is a support for electronic components and a carrier for electrical connection of electronic components. It is called a printed circuit board because it is made by electronic printing. The multilayer PCB board refers to a PCB board with more than two layers and consists of a plurality of insulating base layers and conducting circuit layers.

In the prior art, when a PCB is installed, the PCB is often fixedly installed at a designated position through screws, but the PCB needs to be repeatedly disassembled and assembled when being maintained at a later stage, so that the connection part of the PCB and the screws is easily abraded, and the service life of a circuit board is influenced; in addition, the rear side of the PCB is too close to the mounting position after the PCB is mounted, and the heat dissipation of the PCB is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multilayer PCB board fixing device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-layer PCB board fixing device comprises a shell and a circuit board; the shell is of a groove structure with an opening at the top, supporting plates for supporting the circuit board are symmetrically and fixedly connected to the inner walls of two sides of the shell, fixing assemblies for fixing the circuit board are fixedly mounted at the tops of the two sides of the shell, and each fixing assembly comprises a fixing column, a sliding plate, a top plate and a screw rod; one side of the sliding plate is sleeved outside the fixed column, the top plate is fixed at the top end of the fixed column, the screw rod penetrates through the top plate, one end of the screw rod is rotatably connected with the top of the sliding plate through a bearing, and the other end of the screw rod is fixedly connected with a rotating handle; one side of the sliding plate facing the opening of the shell is fixedly connected with a vertical rod, and the bottom end of the vertical rod is fixedly connected with a pressing plate.

Preferably, the bottom of the two sides of the shell is symmetrically and fixedly connected with mounting plates, mounting holes are formed in the mounting plates, and the shell is fixedly mounted at a designated position through the penetrating mounting holes of screws.

Preferably, the bottom of circuit board is equipped with heat conduction silica gel pad, and heat conduction silica gel pad's bottom evenly is equipped with the fin.

Preferably, the two sides of the shell are provided with heat dissipation holes, the heat dissipation holes are located below the supporting plate and correspond to the heat dissipation fins, and heat on the heat dissipation fins can be better taken away.

Preferably, the top plate is provided with a through hole for the screw rod to penetrate through, and the inner wall of the through hole is provided with an internal thread matched with the screw rod thread.

Preferably, the sliding plate is provided with a through hole for sleeving the fixing column, and the through hole is in sliding connection with the fixing column.

Preferably, the bottom of the pressing plate is paved with a rubber pad for protecting the circuit board.

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

1. the utility model discloses a heat conduction silica gel pad can be with the heat transfer that the circuit board produced to the fin on, the louvre of deuterogamying can dispel the heat to the circuit board fast.

2. The utility model provides a casing alternates the mounting hole through the screw and fixed mounting in appointed place, easy operation, the installation of being convenient for, and the circuit board passes through the casing to be installed in appointed place, and screw and circuit board contactless cause circuit board and screw connection department wearing and tearing when having avoided the dismouting repeatedly, have prolonged the life of circuit board.

3. The utility model discloses in through rotatory handle, can drive lead screw forward or antiport, during the rotation, the lead screw can be along perforation downward or rebound, drives the clamp plate during the removal and is close to or keeps away from the circuit board, realizes the fixed mounting and the dismantlement to the circuit board, easy operation, and the circuit board is not fragile.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the middle slide plate of the present invention;

fig. 3 is a schematic structural diagram of the middle roof plate of the present invention.

In the figure: 1. a housing; 2. mounting a plate; 3. mounting holes; 4. a screw; 5. a support plate; 6. a circuit board; 7. fixing a column; 8. a slide plate; 9. a top plate; 10. a screw rod; 11. a bearing; 12. rotating the handle; 13. a vertical rod; 14. pressing a plate; 15. a heat-conducting silica gel pad; 16. a heat sink; 17. heat dissipation holes; 18. perforating; 19. an internal thread; 20. a through hole; 21. and (7) a rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a multi-layer PCB board fixing device comprises a shell 1 and a circuit board 6; the shell 1 is of a groove structure with an opening at the top, supporting plates 5 for supporting the circuit board 6 are symmetrically and fixedly connected to the inner walls of two sides of the shell 1, fixing components for fixing the circuit board 6 are fixedly mounted at the tops of two sides of the shell 1, and each fixing component comprises a fixing column 7, a sliding plate 8, a top plate 9 and a screw rod 10; one side of the sliding plate 8 is sleeved outside the fixed column 7, the top plate 9 is fixed at the top end of the fixed column 7, the screw rod 10 penetrates through the top plate 9, one end of the screw rod 10 is rotatably connected with the top of the sliding plate 8 through a bearing 11, and the other end of the screw rod is fixedly connected with a rotating handle 12; one side of the sliding plate 8 facing the opening of the shell 1 is fixedly connected with a vertical rod 13, and the bottom end of the vertical rod 13 is fixedly connected with a pressing plate 14.

Further, the bottom of the two sides of the shell 1 is symmetrically and fixedly connected with a mounting plate 2, a mounting hole 3 is formed in the mounting plate 2, and the shell 1 is fixedly mounted at an appointed position through the insertion of the mounting hole 3 through a screw 4.

Further, the bottom of the circuit board 6 is provided with a heat-conducting silica gel pad 15, and the bottom of the heat-conducting silica gel pad 15 is uniformly provided with radiating fins 16.

Further, both sides of the housing 1 are provided with heat dissipation holes 17, and the heat dissipation holes 17 are located below the support plate 5.

Furthermore, a through hole 18 for the screw rod 10 to penetrate through is formed in the top plate 9, and an internal thread 19 matched with the screw rod 10 in thread is formed in the inner wall of the through hole 18.

Furthermore, the sliding plate 8 is provided with a through hole 20 for sleeving the fixing column 7, and the through hole 20 is connected with the fixing column 7 in a sliding manner.

Further, a rubber pad 21 for protecting the circuit board 6 is laid on the bottom of the pressing plate 14.

The working principle is as follows: when the circuit board is used, the shell 1 is fixedly installed at a designated place by inserting the mounting holes 3 through the screws 4, the operation is simple, the installation is convenient, the circuit board 6 is installed at the designated place through the shell 1, the screws 4 are not in contact with the circuit board 6, the abrasion of the connection part of the circuit board 6 and the screws 4 caused by repeated assembly and disassembly is avoided, and the service life of the circuit board 6 is prolonged; when the circuit board 6 is fixed, the screw rod 10 is rotated forward through the rotating handle 12, the screw rod 10 moves downwards along the threads of the through hole 18, the screw rod 10 pushes the sliding plate 8 to slide downwards along the fixing column 7 when moving, the sliding plate 8 drives the vertical rod 13 to move downwards, the vertical rod 13 drives the pressing plate 14 to move downwards and clamp the circuit board 6 between the pressing plate 14 and the supporting plate 5, and fixed installation is completed, and the bottom of the pressing plate 14 is provided with the rubber pad 21 which can prevent the circuit board 6 from being abraded; when the circuit board 6 is disassembled, the screw rod 10 is reversely rotated through the rotating handle 12, the screw rod 10 moves upwards along the threads of the through hole 18, the sliding plate 8 is driven to slide upwards along the fixing column 7 when the screw rod 10 moves, the sliding plate 8 drives the vertical rod 13 to move upwards, the vertical rod 13 drives the pressing plate 14 to move upwards to be away from the circuit board 6, the circuit board 6 is removed from being fixed, the disassembly is completed, the operation is simple, and the circuit board 6 is not easily abraded; when the circuit board 6 runs, heat is generated, the heat-conducting silica gel pad 15 transfers part of the heat to the radiating fins 16, and the radiating holes 17 are matched, so that the circuit board 6 can be quickly radiated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multi-layer PCB board fixing device is characterized by comprising a shell (1) and a circuit board (6); the shell (1) is of a groove structure with an opening at the top, supporting plates (5) for supporting the circuit board (6) are symmetrically and fixedly connected to the inner walls of two sides of the shell (1), fixing assemblies for fixing the circuit board (6) are fixedly installed at the tops of two sides of the shell (1), and each fixing assembly comprises a fixing column (7), a sliding plate (8), a top plate (9) and a screw rod (10); one side of the sliding plate (8) is sleeved outside the fixed column (7), the top plate (9) is fixed at the top end of the fixed column (7), the screw rod (10) penetrates through the top plate (9), one end of the screw rod (10) is rotatably connected with the top of the sliding plate (8) through a bearing (11), and the other end of the screw rod is fixedly connected with a rotating handle (12); one side of the sliding plate (8) facing the opening of the shell (1) is fixedly connected with a vertical rod (13), and the bottom end of the vertical rod (13) is fixedly connected with a pressing plate (14).

2. The multi-layer PCB board fixing device of claim 1, wherein: the mounting plate (2) is symmetrically and fixedly connected to the bottoms of the two sides of the shell (1), mounting holes (3) are formed in the mounting plate (2), and the shell (1) is fixedly mounted at a designated position through the penetrating mounting holes (3) of the screws (4).

3. The multi-layer PCB board fixing device of claim 1, wherein: the bottom of circuit board (6) is equipped with heat conduction silica gel pad (15), and the bottom of heat conduction silica gel pad (15) evenly is equipped with fin (16).

4. The multi-layer PCB board fixing device of claim 1, wherein: both sides of the shell (1) are provided with heat dissipation holes (17), and the heat dissipation holes (17) are located below the supporting plate (5).

5. The multi-layer PCB board fixing device of claim 1, wherein: the top plate (9) is provided with a through hole (18) for the screw rod (10) to penetrate through, and the inner wall of the through hole (18) is provided with an internal thread (19) matched with the screw rod (10) in thread.

6. The multi-layer PCB board fixing device of claim 1, wherein: the sliding plate (8) is provided with a through hole (20) for sleeving the fixing column (7), and the through hole (20) is connected with the fixing column (7) in a sliding mode.

7. The multi-layer PCB board fixing device of claim 1, wherein: and a rubber pad (21) for protecting the circuit board (6) is laid at the bottom of the pressing plate (14).