CN213126876U - Self-locking heat radiator - Google Patents

Abstract

A self-locking heat dissipation device comprises a heat dissipation frame, a screw, a rotating disk and a pressing plate, wherein the screw is fixed on the inner side of the heat dissipation frame, the rotating disk is rotatably installed on the screw, one side of the pressing plate is in surface contact with one side of the rotating disk, and the rotating disk drives the pressing plate to move to lock or loosen electronic equipment between the pressing plate and the heat dissipation frame when rotating. Compared with the prior art, the utility model discloses a rotation through the rotary disk drives the motion of clamp plate, and between rotary disk and the clamp plate and between clamp plate and the electronic equipment be the contact of face and face, consequently the atress between each part is more even, difficult damage clamp plate or electronic equipment among the locking process, and can fix electronic equipment on the heat dissipation frame effectively, can not diminish gradually or disappear and lead to electronic equipment to take place to rock relatively on heat abstractor because of the elasticity of bullet type gasket.

Description

Self-locking heat radiator

Technical Field

The utility model relates to a heat abstractor of electronic equipment, especially a heat abstractor for camera.

Background

With the continuous development of scientific technology, electronic devices are more and more popular, and the used scenes are more and more, for example, cameras have become very popular shooting tools. Because the body of the electronic declaration including the camera is internally provided with heating devices such as a circuit board with a chip, a battery and the like, the heating phenomenon can occur after the body works for a period of time, and if the heat dissipation treatment is not carried out in time, the risk of damaging electronic equipment and the like is easily caused.

In the prior art, a heat dissipation device of a camera forms a closed frame made of heat dissipation materials around the heat dissipation device, and the closed frame is locked on the camera by installing an elastic gasket and locking the elastic gasket on the camera, but in this way, the camera is relatively fixed on the heat dissipation device by using the elasticity of the elastic gasket, and the camera can relatively shake on the heat dissipation device as the elasticity of the elastic gasket gradually becomes smaller or disappears.

Therefore, there is a need for improvements in existing heat sinks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art defect, provide a can steadily pin from locking-type heat abstractor of electronic equipment.

The utility model discloses a from scheme in a specific embodiment of locking-type heat abstractor as follows:

a self-locking heat dissipation device comprises a heat dissipation frame, a screw, a rotating disk and a pressing plate, wherein the screw is fixed on the inner side of the heat dissipation frame, the rotating disk is rotatably installed on the screw, one side of the pressing plate is in surface contact with one side of the rotating disk, and the rotating disk drives the pressing plate to move to lock or loosen electronic equipment between the pressing plate and the heat dissipation frame when rotating.

In an optimized scheme of the embodiment, in order to prevent the pressure plate from shifting in the moving process, the pressure plate can be moved on the heat dissipation frame along a specific direction through the guide device.

In a specific aspect of this embodiment, the guide device includes a guide groove provided on the heat dissipation frame and a guide portion provided on the pressure plate.

Further, the pressing plate comprises a main body and a right side plate which is perpendicular to the main body and formed by extending downwards from the right side of the main body, and the right side plate of the pressing plate is used as a guide part to be clamped in the guide groove.

Further, in order to restrict the motion amplitude of the pressing plate under the driving of the rotating disk, the pressing plate in the embodiment further comprises a left side plate which is perpendicular to the main body and is formed by extending downwards from the left side of the main body, the tail end of the left side plate is bent to form a limiting part matched with the heat dissipation frame, and the limiting part is clamped at a notch formed at the bottom of the heat dissipation frame.

Optionally, the pressing plate further comprises a front side plate which is perpendicular to the main body and extends downwards from the front side of the main body, and the front side plate is provided with a hollow part for the rotating disc to extend out.

Further, the pressing plate further comprises a front baffle which is perpendicular to the main body and extends upwards from the front side of the main body, and the front baffle is used for being matched with the heat dissipation frame to prevent the electronic device from falling off from the heat dissipation frame.

Optionally, in order to mount the electronic device on the heat dissipation frame more stably and reduce the hard contact between the electronic device and the pressing plate, a silicone gasket may be further disposed on the surface of the pressing plate.

Further, for increasing the radiating effect, the heat conduction silica gel gasket is preferably selected to the above-mentioned silica gel gasket.

Further, in order to facilitate the connection and fixation of the heat dissipation frame and the external device, an internal thread hole connected with an external device may be provided on the screw.

Compared with the prior art, the utility model discloses a rotation through the rotary disk drives the motion of clamp plate, and between rotary disk and the clamp plate and between clamp plate and the electronic equipment be the contact of face and face, consequently the atress between each part is more even, difficult damage clamp plate or electronic equipment among the locking process, and can fix electronic equipment on the heat dissipation frame effectively, can not diminish gradually or disappear and lead to electronic equipment to take place to rock relatively on heat abstractor because of the elasticity of bullet type gasket.

Drawings

Fig. 1 is a schematic view of a heat dissipation device according to a preferred embodiment of the present invention.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is an enlarged view of the platen of fig. 2.

Fig. 4 is a cross-sectional view taken along a-a' of fig. 3.

Fig. 5 is an enlarged view of the rotating disk in fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 5, the heat dissipation device of the camera is taken as an example in the present embodiment for description. The self-locking heat dissipation device in the embodiment comprises a heat dissipation frame 1, a silica gel gasket 2, a pressing plate 3, a rotating disk 4 and a screw 5.

As shown in fig. 2, the heat dissipation frame 1 is made of heat dissipation materials such as aluminum alloy, and includes an upper horizontal plate 11, a right vertical plate 12, a lower horizontal plate 13 and a rear vertical plate 14, the upper horizontal plate 11, the right vertical plate 12 and the lower horizontal plate 13 are connected in sequence and are approximately in a "]" shape, and the upper horizontal plate 11 and the right vertical plate 12 are provided with different hollow portions according to the difference of the switch position, the operation buttons and the data interface of the electronic device, so as to ensure that the electronic device can be controlled or connected with the data lines through the hollow portions when being mounted on the heat dissipation frame; the upper surface of the lower cross plate 13 is recessed downwards to form a guide groove 131, and the lower surface of the other end opposite to the guide groove 131 is provided with a notch 132; the upper and lower ends of the rear vertical plate 14 are connected to the upper and lower transverse plates 11 and 13, respectively, and the right end is connected to the right vertical plate 12.

The silica gel gaskets 2 are two in the embodiment, one of the silica gel gaskets is arranged on the upper surface of the pressing plate 3, and the other silica gel gasket is arranged on the inner side of the rear vertical plate 14 and mainly used for stabilizing the electronic equipment in the heat dissipation frame 1; in addition, in order to increase the heat dissipation effect, the silicone gasket 2 is preferably made of heat-conducting silicone.

As shown in fig. 3 and 4, the platen 3 includes a main body 31, a front side plate 32, a left side plate 33, a right side plate 34, and a front baffle 35. The main body 31 is plate-shaped, the upper surface of which is provided with the silica gel gasket 2, and the lower surface of which is abutted against the rotating disc 4; the front side plate 32 is perpendicular to the main body 31 and extends downwards from the front side of the main body 31, and the front side plate 32 is provided with a hollow part 32a from which the rotating disc 4 extends; the left side plate 33 is perpendicular to the main body 31 and extends downwards from the left side of the main body 31, the tail end of the left side plate 33 is bent towards the main body 31 to form a limiting part 33a, and the limiting part 33a is clamped in a notch 132 formed at the bottom of the heat dissipation frame, so that the movement amplitude of the pressing plate 3 driven by the rotating disk 4 is limited; the right side plate 34 is perpendicular to the main body 31 and extends downward from the right side of the main body 31, and the right side plate 34 is clamped in the guide groove 131 as a guide part, so that the pressing plate 3 does not deviate in the horizontal direction during the movement process and can only move in the vertical direction, i.e. the guide device in the embodiment is composed of the guide groove 131 on the heat dissipation frame 1 and the right side plate 34 of the pressing plate 3; the front baffle 35 is perpendicular to the main body and extends upwards from the front side of the main body 31, and the front baffle 35 is used for matching with the rear vertical plate 14 of the heat dissipation frame 1 to prevent the electronic device from falling off from the heat dissipation frame 1 in the horizontal direction.

As shown in fig. 5, the rotary disk 4 includes a disk body 41, a threaded hole 42, and a dial 43. The tray body 41 is approximately disc-shaped, the threaded hole 42 is a through hole arranged at the center of the tray body 41, and threads are arranged inside the threaded hole and used for being matched with the screw 5; the setback 43 is provided on the side of the tray body 41 for increasing the friction between the finger and the rotating tray 4.

As shown in fig. 2, the screw 5 is mounted on the heat sink frame 1 and protrudes from the upper surface of the lower horizontal plate 13 (i.e. the inner side of the heat sink frame 1), and the bottom of the screw 5 is fixed on the lower horizontal plate 13, i.e. the screw 5 cannot rotate or move up and down relative to the lower horizontal plate 13. In this embodiment, in order to facilitate the connection of the heat dissipation frame 1 to an external device (e.g., a selfie stick), an internal thread hole may be further formed in the screw 5, so that, when the screw 5 is fixed to the lower cross plate 13 of the heat dissipation frame 1, an external device (e.g., a selfie stick) may be locked in cooperation with the internal thread hole of the screw 5 on the lower surface of the lower cross plate 13, thereby fixing the heat dissipation frame 1 and the external device (e.g., a selfie stick) together.

The assembly process of the heat sink 10 in this embodiment is as follows: the screw 5 is screwed into the lower transverse plate 13 of the heat dissipation frame 1, and is fixed on the lower transverse plate 13 by gluing, the rotating disk 4 is screwed into and mounted on the screw 5, then the left side plate 33 of the pressing plate 3 is clamped at the notch 132 of the lower transverse plate 13, the right side plate 34 is clamped in the guide groove 132 of the lower transverse plate 13, and then the pressing plate 3 is pushed in along the horizontal direction of the guide groove 132.

The self-locking process of the heat dissipation device 10 in this embodiment is as follows: when the rotating disc 4 rotates on the screw 5, the rotating disc 4 moves upward with the screw 5 as an axial direction, then the upper surface of the disc body 41 of the rotating disc 4 abuts against the lower surface of the main body 31 of the pressing plate 3 to form surface-to-surface contact, and the pressing plate 3 moves upward, so that the electronic equipment mounted on the upper surface of the main body 31 of the pressing plate 3 moves upward, and then the electronic equipment is clamped between the pressing plate 3 and the upper transverse plate 11 of the heat dissipation frame 1 and is fixed.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A self-locking heat dissipation device is characterized in that: including heat dissipation frame, screw, rotary disk and clamp plate, the screw fixation is inboard at the heat dissipation frame, the rotary disk rotatably install on the screw, clamp plate one side with one side formation face contact of rotary disk, the rotary disk drives during the rotation the clamp plate motion is in order to lock or loosen and is located the clamp plate with electronic equipment between the heat dissipation frame.

2. The self-locking heat sink of claim 1, wherein: the pressing plate moves on the heat dissipation frame along the vertical direction through the guide device.

3. The self-locking heat sink of claim 2, wherein: the guide device comprises a guide groove arranged on the heat dissipation frame and a guide part arranged on the pressure plate.

4. The self-locking heat sink of claim 1, wherein: the clamp plate includes the main part, perpendicular and follow the right side board that the main part right side downwardly extending formed with the main part, be equipped with the guide way on the heat dissipation frame, the right side board of clamp plate is held in the guide way as the guide part card.

5. The self-locking heat sink of claim 4, wherein: still include perpendicular and the left side board that forms from main part left side downwardly extending with the main part, the terminal bending type of left side board forms spacing portion, spacing portion card is held in the breach department that the heat dissipation frame bottom formed.

6. The self-locking heat sink of claim 4, wherein: still include the preceding curb plate perpendicular and that form from the main part front side downwardly extending with the main part, preceding curb plate is equipped with the fretwork portion that supplies the rotary disk to stretch out.

7. The self-locking heat sink of claim 4, wherein: the electronic device further comprises a front baffle which is perpendicular to the main body and formed by extending upwards from the front side of the main body, and the front baffle is used for being matched with the heat dissipation frame to prevent the electronic device from falling off from the heat dissipation frame.

8. The self-locking heat sink of claim 1, wherein: still including setting up the silica gel gasket on the clamp plate surface.

9. The self-locking heat sink of claim 8, wherein: the silica gel gasket is a heat conduction silica gel gasket.

10. The self-locking heat sink according to any one of claims 1 to 9, wherein: the screw is provided with an internal thread hole connected with an external device.

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