CN209982960U

CN209982960U - Cold back plate heat dissipation device convenient to dismantle

Info

Publication number: CN209982960U
Application number: CN201822146406.7U
Authority: CN
Inventors: 陈锐涛
Original assignee: Guangzhou Zhongyuan Network Technology Co Ltd
Current assignee: Guangzhou Zhongyuan Network Technology Co Ltd
Priority date: 2018-12-20
Filing date: 2018-12-20
Publication date: 2020-01-21
Anticipated expiration: 2028-12-20

Abstract

The utility model belongs to the technical field of the radiating equipment, specifically be a cold backplate heat abstractor convenient to dismantle, including backplate body and heat abstractor, fixedly connected with mounting panel on the backplate body, be equipped with the cavity in the mounting panel, the cavity internal rotation is connected with first threaded rod, two movable block, two have been cup jointed to the screw thread on the first threaded rod the intraoral screw thread of movable block is relative setting, one side of first threaded rod is equipped with the stripper plate, two the one end that first threaded rod was kept away from to the movable block all rotates and is connected with the pull rod, the one end that the movable block was kept away from to the pull rod rotates with the stripper plate and is connected, one side fixedly connected with picture peg of heat abstractor. The utility model discloses be convenient for install the dismantlement to the heat abstractor on the backplate, can in time clear up heat abstractor to increase heat-sinking capability.

Description

Cold back plate heat dissipation device convenient to dismantle

Technical Field

The utility model belongs to the technical field of the cooling device, specifically be a cold back plate heat abstractor convenient to dismantle.

Background

Backplanes have been specialized quality products in the PCB manufacturing industry. The back plate is thicker and heavier than a conventional PCB plate, and accordingly the heat capacity of the back plate is larger. Due to the slow cooling speed of the backing plate, the length of the reflow oven is lengthened. It is also necessary to force air cool it at the outlet to reduce the temperature of the backing plate to a safe level for operation.

However, the existing cold back plate heat dissipation device is usually installed in a fixed mode, and is inconvenient to disassemble when the heat dissipation device needs to be cleaned or maintained, so that the back plate is easy to damage due to brute force disassembly, and certain defectiveness is achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cold back plate heat abstractor convenient to dismantle 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 cold back plate heat dissipation device convenient to disassemble comprises a back plate body and a heat dissipation device, wherein a mounting plate is fixedly connected to the back plate body, a cavity is arranged in the mounting plate, a first threaded rod is rotatably connected in the cavity, two movable blocks are sleeved on the first threaded rod in a threaded manner, threads in the two movable block threads are oppositely arranged, an extrusion plate is arranged on one side of the first threaded rod, one ends of the two movable blocks, far away from the first threaded rod, are rotatably connected with a pull rod, one ends of the pull rod, far away from the movable blocks, are rotatably connected with the extrusion plate, a plugboard is fixedly connected to one side of the heat dissipation device and is slidably inserted in the cavity, a mounting cavity is arranged in the plugboard, grooves are formed in two sides of the mounting cavity, a slide rod is fixedly connected in each groove, a support plate is arranged in the mounting cavity, be equipped with the opening that corresponds with the fixture block on the picture peg, the bottom fixedly connected with connecting plate of backup pad, be equipped with the spout on the connecting plate, fixedly connected with bracing piece in the spout, slide on the bracing piece and cup jointed two sliders, two all rotate on the slider and be connected with branch, two branch is cross arrangement, two the one end that the slider was kept away from to branch all rotates and is connected with the gyro wheel, the cover is equipped with first spring on the slide bar, the both ends of first spring respectively with two slider fixed connection, the thread insert is equipped with the second threaded rod on the mounting panel, the top fixedly connected with commentaries on classics piece of second threaded rod, the one end that the commentaries on classics piece was kept away from to the second.

Preferably, both ends of the pressing plate are fixedly connected with second springs, and one ends, far away from the pressing plate, of the second springs are fixedly connected with the inner wall of the cavity.

Preferably, the top end of the first threaded rod penetrates through the inner wall of the cavity and is fixedly connected with a knob.

Preferably, a plurality of insections are arranged on the rotating block and are obliquely arranged.

Preferably, the connection part of the two supporting rods is rotatably connected through a rotating shaft.

Preferably, two corners of the top end of the fixture block are arranged in an arc shape.

Compared with the prior art, the beneficial effects of the utility model are that: insert the cavity on the mounting panel with picture peg on the heat abstractor when installation back plate body installation heat abstractor, thereby insert the back slider and drive branch removal under the resilience of first spring and promote the backup pad rebound on the slide bar, the fixture block runs through the opening upwards this moment, then rotate first screw and drive two movable block relative movement and utilize the pull rod to promote the stripper plate, the fixture block offsets the inner wall of mounting panel under the effect of thrust this moment and realizes heat abstractor's installation, twist the commentaries on classics piece and drive the rotation of second threaded rod behind the first threaded rod of antiport when dismantling, it is downward to promote the fixture block when the second threaded rod pivoted, pull heat abstractor and dismantle after the fixture block contracts into the picture peg completely. The utility model discloses be convenient for install the dismantlement to the heat abstractor on the backplate, can in time clear up heat abstractor to increase heat-sinking capability.

Drawings

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

FIG. 2 is a schematic view of the structure at the position A of the present invention;

in the figure: the heat dissipation device comprises a back plate body 1, a heat dissipation device 2, a mounting plate 3, a first threaded rod 4, a moving block 5, a squeezing plate 6, a plug plate 7, a sliding rod 8, a supporting plate 9, a clamping block 10, a connecting plate 11, a sliding block 12, a supporting rod 13, a roller 14, a first spring 15, a second threaded rod 16, a rotating block 17, a pressing plate 18, a second spring 19, a supporting rod 20 and a pull rod 21.

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 is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a cold back plate heat dissipation device convenient to disassemble comprises a back plate body 1 and a heat dissipation device 2, wherein a mounting plate 3 is fixedly connected to the back plate body 1, a cavity is arranged in the mounting plate 3 and used for inserting an inserting plate 7, a first threaded rod 4 is rotatably connected in the cavity and used for driving a moving block 5 to move, two moving blocks 5 are sleeved on the first threaded rod 4 in a threaded manner, threads in the threads of the two moving blocks 5 are oppositely arranged, a squeezing plate 6 is arranged on one side of the first threaded rod 4 and used for pushing the inserting plate 7 to enable a clamping block to abut against the inner wall of the cavity, one ends of the two moving blocks 5 far away from the first threaded rod 4 are both rotatably connected with a pull rod 21 and used for connecting the moving blocks 5 with the squeezing plate 7, one end of the pull rod 21 far away from the moving blocks 5 is rotatably connected with the squeezing plate 6, one side, an inserting plate 7 is inserted into the cavity in a sliding manner, an installation cavity is arranged in the inserting plate 7, grooves are formed in two sides of the installation cavity, a sliding rod 8 is fixedly connected in each groove and used for supporting a supporting plate 9, a supporting plate 9 is arranged in the installation cavity and used for installing a clamping block 10, the top of the supporting plate 9 is fixedly connected with the clamping block 10 and used for preventing the inserting plate 7 from being separated from the installation plate 3, an opening corresponding to the clamping block 10 is formed in the inserting plate 7, a connecting plate 11 is fixedly connected at the bottom of the supporting plate 9, a sliding groove is formed in the connecting plate 11, a supporting rod 20 is fixedly connected in each sliding groove and used for supporting a sliding block 12 to move, two sliding blocks 12 are sleeved on each supporting rod 20 in a sliding manner and used for pulling a first spring 15 to generate resilience, supporting rods 13 are rotatably connected on the two sliding blocks 12, the, a first spring 15 is sleeved on the sliding rod 8 and used for rebounding the supporting plate 9, two ends of the first spring 15 are respectively and fixedly connected with the two sliding blocks 12, a second threaded rod 16 is inserted into the mounting plate 3 in a threaded manner and used for mounting a pressing plate 18, a rotating block 17 is fixedly connected to the top end of the second threaded rod 16 and used for rotating the second threaded rod 16, and a pressing plate 18 is rotatably connected to one end, far away from the rotating block 17, of the second threaded rod 16 and used for compressing the clamping block 10 into the inserting plate 7; furthermore, both ends of the pressing plate 18 are fixedly connected with second springs 19, and one ends of the second springs 19, which are far away from the pressing plate 18, are fixedly connected with the inner wall of the cavity, so that the buffering force when the pressing plate 18 is pressed down is increased; furthermore, the top end of the first threaded rod 4 penetrates through the inner wall of the cavity and is fixedly connected with a knob, so that the first threaded rod 4 can be conveniently rotated; furthermore, a plurality of insections are arranged on the rotating block 17 and are obliquely arranged, so that the friction force of the rotating block 17 is increased, and the rotating block is convenient to rotate; furthermore, the joint of the two support rods 13 is rotationally connected through a rotating shaft; furthermore, two corners of the top end of the clamping block 10 are arranged in an arc shape, so that the inserting plate 7 can be conveniently inserted into the mounting plate 3.

The working principle is as follows: when the heat dissipation device 2 is installed on the backboard body 1, the inserting plate 7 on the heat dissipation device 2 is inserted into a cavity on the installation plate 3, the inserted rear sliding block 12 drives the supporting rod 13 to move under the resilience of the first spring so as to push the supporting plate 9 to move upwards on the sliding rod 20, the clamping block 10 penetrates through the opening upwards, then the first thread 4 is rotated to drive the two moving blocks 5 to move relatively, the pulling rod 21 is utilized to push the extrusion plate 6, the clamping block 10 abuts against the inner wall of the installation plate 3 under the action of pushing force to realize the installation of the heat dissipation device 2, the rotating block 17 is screwed to drive the second threaded rod 16 to rotate after the first threaded rod 4 is rotated reversely during the disassembly, the clamping block 10 is pushed downwards while the second threaded rod 16 rotates, and the heat dissipation device 2 is pulled to be disassembled after the clamping block is completely.

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. The utility model provides a cold back plate heat abstractor convenient to dismantle, includes backplate body (1) and heat abstractor (2), its characterized in that, fixedly connected with mounting panel (3) on backplate body (1), be equipped with the cavity in mounting panel (3), the cavity internal rotation is connected with first threaded rod (4), two movable blocks (5) have been cup jointed to first threaded rod (4) upper thread, two the screw thread in movable block (5) screw is relative the setting, one side of first threaded rod (4) is equipped with stripper plate (6), two the one end that first threaded rod (4) were kept away from to movable block (5) all rotates to be connected with pull rod (21), the one end that movable block (5) were kept away from to pull rod (21) rotates with stripper plate (6) to be connected, one side fixedly connected with picture peg (7) of heat abstractor (2), picture peg (7) slide and insert and establish in the cavity, the improved structure of the anti-theft door is characterized in that a mounting cavity is arranged in the inserting plate (7), grooves are formed in the two sides of the mounting cavity, a sliding rod (8) is fixedly connected in each groove, a supporting plate (9) is arranged in each mounting cavity, a clamping block (10) is fixedly connected to the top of each supporting plate (9), an opening corresponding to the clamping block (10) is formed in the inserting plate (7), a connecting plate (11) is fixedly connected to the bottom of each supporting plate (9), a sliding groove is formed in each connecting plate (11), a supporting rod (20) is fixedly connected in each sliding groove, two sliding blocks (12) are sleeved on each supporting rod (20), two supporting rods (13) are rotatably connected to each sliding block (12), each supporting rod (13) is arranged in a crossed mode, one end, far away from each sliding block (12), of each supporting rod (13) is rotatably connected with a roller, the both ends of first spring (15) respectively with two slider (12) fixed connection, the screw thread is inserted and is equipped with second threaded rod (16) on mounting panel (3), the top fixedly connected with of second threaded rod (16) changes piece (17), the one end rotation that the piece (17) was kept away from in second threaded rod (16) is connected with clamp plate (18).

2. A readily removable cold back plate heat sink as claimed in claim 1, wherein: the two ends of the pressing plate (18) are fixedly connected with second springs (19), and one ends, far away from the pressing plate (18), of the second springs (19) are fixedly connected with the inner wall of the cavity.

3. A readily removable cold back plate heat sink as claimed in claim 1, wherein: the top end of the first threaded rod (4) penetrates through the inner wall of the cavity and is fixedly connected with a knob.

4. A readily removable cold back plate heat sink as claimed in claim 1, wherein: be equipped with multichannel insection on commentaries on classics piece (17), multichannel the insection is the slope setting.

5. A readily removable cold back plate heat sink as claimed in claim 1, wherein: the connection part of the two support rods (13) is rotationally connected through a rotating shaft.

6. A readily removable cold back plate heat sink as claimed in claim 1, wherein: two corners of the top end of the fixture block (10) are arranged in an arc shape.