CN212305918U

CN212305918U - PCB module locking, pulling and conduction heat dissipation device

Info

Publication number: CN212305918U
Application number: CN201821529454.8U
Authority: CN
Inventors: 李炜; 周晓亮
Original assignee: Wuhan Haitai Zhongce Electronic Co ltd
Current assignee: Wuhan Haitai Zhongce Electronic Co ltd
Priority date: 2018-09-18
Filing date: 2018-09-18
Publication date: 2021-01-05
Anticipated expiration: 2028-09-18

Abstract

The utility model discloses a PCB module locking is played and is pulled out and conduction heat abstractor, including the connecting piece, the PCB board, the heat-conducting piece, the pull-out ware, module panel and locking device, module panel and heat-conducting piece are established respectively on the adjacent long side and the short side of PCB board, connecting piece and pull-out ware are all established at the edge, the connecting piece passes through the screw with the PCB board, the heat-conducting piece, module panel and pull-out ware are even as an organic whole, locking device includes the check lock lever, latch segment and elasticity piece, the check lock lever passes the connecting piece in proper order, latch segment and elasticity piece setting, establish the screw that runs through on the elasticity piece, establish the external screw thread that matches with the screw on the check lock lever, the latch segment is the trapezoidal piece of 45 degrees inversions of base angle, it runs through has the elliptical hole that supplies the latch segment to pass in it, connecting piece and elasticity piece match with the latch segment towards the one end of latch. The device sets the traditional locking, pulling-up and heat dissipation three independent devices on the PCB module, is convenient to use, is convenient to install and maintain, and reduces the cost.

Description

PCB module locking, pulling and conduction heat dissipation device

Technical Field

The utility model relates to a PCB module field, concretely relates to PCB module locking is played and is pulled out and conduction heat abstractor.

Background

The PCB module locking, pulling, conducting and heat dissipating device is mainly used for fixing, using and maintaining the PCB module in a case. The existing solution is three dispersed devices, which respectively solves the problems of PCB locking, pulling up and heat conduction, improves the product cost, is inconvenient to install and maintain, has more restrictions on the layout of the PCB, and increases the design difficulty of technicians on the PCB.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCB module locking is played and is pulled out and conduction heat abstractor 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 PCB module locking, pulling and conduction heat dissipation device comprises a connecting piece, a PCB, a heat conducting piece, a pulling device, a module panel and a locking device, wherein the PCB is rectangular, the module panel and the heat conducting piece are respectively arranged on the adjacent long side and short side of the PCB, the connecting piece and the pulling device are arranged at the corner surrounded by the long side and the short side, the connecting piece fixes the PCB, the heat conducting piece, the module panel and the pulling device into a whole through screws, the locking device is also fixed on the connecting piece and distributed along the short side where the heat conducting piece is positioned, the locking device comprises a locking rod, a locking block and an elastic block, the locking rod sequentially passes through the connecting piece, the locking block and the elastic block, one end of the locking rod protrudes from the end surface of the elastic block, a through screw hole is arranged on the elastic block, and an external thread matched with the screw hole is arranged on the locking rod, the locking block is an inverted trapezoidal block with a bottom angle of 45 degrees, an elliptical hole for the locking rod to penetrate through is formed in the locking block, and the connecting piece and one end, facing the locking block, of the tightening block are both arranged to be wedge-shaped, matched with the two sides of the locking block, and provided with an angle of 45 degrees.

Preferably, for the PCB module locking, pulling and heat conduction and dissipation device, the locking rod is provided with a rotation groove on an end surface thereof located on the outer side surface of the connecting member.

Preferably, for the PCB module locking, pulling and conducting heat dissipation device, the module panel is arranged on one long side of the PCB, the connecting pieces are arranged on two corners adjacent to the long side, and the locking device, the heat conducting piece and the pulling device are arranged on the connecting pieces on the two sides respectively.

Preferably, for the PCB module locking, pulling, and heat conduction and dissipation device, a U-shaped notch is formed at a side end of the module panel, and the connecting member is clamped in the U-shaped notch.

Preferably, for the PCB module locking, pulling and heat conduction device, the puller includes a handle and a set screw for fixing the handle to the connecting member in an articulated manner.

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

1. this PCB module locking is played and is pulled out and conduction heat abstractor, simple structure, and convenient to use through locking device, plays fine locking fixed action to the PCB module.

2. This PCB module locking is risen and is pulled out and conduction heat abstractor through heat-conducting piece and locking device, can be quick with the heat conduction of components and parts out quick-witted case on the PCB module.

3. The PCB module locking, pulling and conduction heat dissipation device can conveniently take out the module from the machine box through the pulling device.

4. The device uniformly designs the traditional locking device, the pulling device and the heat dissipation device on the PCB module, is convenient to use, is convenient to install and maintain, and reduces the cost.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a left side view of the structure of the present invention;

FIG. 4 is a back view of the structure of the present invention;

fig. 5 is a perspective view of the present invention.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a PCB module locking, pulling and conduction heat dissipation device comprises a connecting piece 1, a PCB 7, a heat conducting piece 5, a pulling device 8, a module panel 6 and a locking device, wherein the PCB 7 is rectangular, the module panel 6 and the heat conducting piece 5 are respectively arranged on the adjacent long side and short side of the PCB 7, the connecting piece 1 and the pulling device 8 are both arranged at the corner surrounded by the long side and the short side, the connecting piece 1 fixes the PCB 7, the heat conducting piece 5, the module panel 6 and the pulling device 8 into a whole through screws, the locking device is also fixed on the connecting piece 1 and is distributed along the short side where the heat conducting piece 5 is arranged, the locking device comprises a locking rod 4, a locking block 2 and a tightening block 3, the locking rod 4 sequentially penetrates through the connecting piece 1, the locking block 2 and the tightening block 3, one end of the locking rod protrudes from the end face of the tightening block 3, a through screw hole is formed in the tightening block 3, an external thread matched with the screw hole is formed in the locking rod 4, the locking block 2 is an inverted trapezoidal block with a bottom angle of 45 degrees, an elliptical hole for the locking rod 4 to penetrate through is arranged in the inverted trapezoidal block, and the connecting piece 1 and one end, facing the locking block 2, of the elastic block 3 are uniformly arranged into wedges which are matched with the two sides of the locking block 2 and have an angle of 45 degrees.

In the structure, the heat conducting piece 5 is made of an aluminum alloy material with a high heat transfer coefficient and is in contact with the PCB 7, so that the heat of components on the PCB 7 can be quickly conducted to two sides of a component slot of a case in which the PCB module is inserted, and a quick heat dissipation effect is achieved; after the PCB module is inserted into the slot on the case, the locking rod 4 is screwed to enable the locking rod to rotate on the connecting piece 1, the locking block 3 is spirally sleeved on the locking rod 4 through the screw hole, therefore, the locking rod 4 rotates and can pull the locking block 3 to approach to the connecting piece 1 under the condition that the locking rod 4 does not move, the locking block 2 is sleeved on the locking rod 4 through an elliptical hole (not shown in the figure) penetrating through the locking block 2, the height of the elliptical hole is larger than the diameter of the locking rod 4, the locking block 2 can swing when being sleeved on the locking rod 4, when the locking block 2 moves towards the connecting piece 1, the locking block 2 between the connecting piece 1 and the locking block 3 can be squeezed, the locking block 2 tightly supports against the side of the slot of the PCB module on the case after being squeezed and protruded, and therefore the function of locking the PCB module is achieved.

In another embodiment, the locking lever 4 is provided with a turning groove on its end surface on the outer side of the connector 1, the turning groove being provided to facilitate the operation of turning after inserting a tool such as a screwdriver or the like.

In another embodiment, a module panel 6 is disposed on one of the long sides of the PCB 7, the connecting members 1 are disposed on two corners adjacent to the long side, and the locking devices, the heat-conducting members 5 and the extractors 8 are disposed on the connecting members 1 on two sides, respectively.

In another embodiment, the side end of the module panel 6 is provided with a U-shaped notch, and the connecting member 1 is clamped in the U-shaped notch, so that the whole device is more stable.

In another embodiment, the extractor 8 comprises a handle and a set screw 9 for fixing the handle on the connecting member 1 in a hinged manner, specifically, the handle may be a Z-shaped member as shown in fig. 4, the set screw 9 is hinged at a turning point in the middle of the member, when in use, one end of the handle is pulled, the other end of the handle is abutted against the chassis, and the set screw 9 is used as a fulcrum to form a lever, so that the PCB module can be conveniently extracted from the chassis.

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 PCB module locking, pulling and conducting heat dissipation device is characterized by comprising a connecting piece, a PCB, a heat conducting piece, a pulling device, a module panel and a locking device, wherein the PCB is rectangular, the module panel and the heat conducting piece are respectively arranged on the adjacent long side and short side of the PCB, the connecting piece and the pulling device are respectively arranged at the corner surrounded by the long side and the short side, the connecting piece fixes the PCB, the heat conducting piece, the module panel and the pulling device into a whole through screws, the locking device is also fixed on the connecting piece and distributed along the short side where the heat conducting piece is arranged, the locking device comprises a locking rod, a locking block and an elastic block, the locking rod sequentially passes through the connecting piece, the locking block and the elastic block, one end of the locking rod protrudes from the end face of the elastic block, and a through screw hole is formed in the elastic block, the locking rod is provided with an external thread matched with the screw hole, the locking block is an inverted trapezoidal block with a bottom angle of 45 degrees, an elliptical hole for the locking rod to pass through penetrates through the locking block, and the connecting piece and one end of the locking block, facing the locking block, are uniformly arranged into wedges with 45-degree angles matched with two sides of the locking block.

2. The PCB module locking, pulling, and conductive heat dissipation device of claim 1, wherein the locking bar has a rotation groove on its end surface located on the outer side of the connecting member.

3. The PCB module locking, pulling, conducting and heat dissipating device of claim 1, wherein the module panel is disposed on one of the long sides of the PCB, the connecting members are disposed on two corners adjacent to the long side, and the locking device, the heat conducting member and the pulling device are disposed on the connecting members on two sides, respectively.

4. The PCB module locking, pulling, conducting and heat dissipating device of claim 1, wherein a U-shaped notch is formed at a side end of the module panel, and the connecting member is clamped in the U-shaped notch.

5. The PCB module locking, pulling and conductive heat dissipating device of claim 1, wherein the puller comprises a handle and a set screw for hingedly securing the handle to the connector.