CN212544396U

CN212544396U - Retractable fin convenient to clearance

Info

Publication number: CN212544396U
Application number: CN202021543897.XU
Authority: CN
Inventors: 莫仁乐; 张野; 卢澳
Original assignee: Daojing Shanghai Information Technology Co Ltd
Current assignee: Daojing Shanghai Information Technology Co Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-02-12
Anticipated expiration: 2030-07-30

Abstract

The utility model provides a retractable fin convenient to clearance, relates to electronic component fin technical field, including the bottom plate, and the bottom plate lower surface is equipped with the mounting structure who is used for installing electronic component, and it has a plurality of retractable fin A to distribute at the upper surface vertical of bottom plate, is connected with the removal between the adjacent fin A and scrapes scraper-type fin B, and fin B can scrape the plug of bottom plate upper surface when fin A stretches out and draws back. When the electronic element is aged and easily generates heat, the fin A is completely pulled open, so that the heat dissipation area of the fin can be greatly increased, and the heat dissipation requirement of the electronic element is fully met. When the blockage between the fins A needs to be cleaned, the blockage can be scraped out of the heat sink by the fins B5 only by pulling the fins A completely, and then the pull rod is pushed back. A ventilation channel is formed between the fins A, a plurality of linear airflow serial channels are formed between the ventilation hole A and the air pipe, and due to the wind gathering effect of the air pipe, heat emitted by the fins can be quickly taken away by airflow, so that the heat dissipation efficiency is accelerated.

Description

Retractable fin convenient to clearance

Technical Field

This novel electronic component fin technical field that belongs to, concretely relates to retractable fin convenient to clearance.

Background

When the electronic element works, part of electric energy is converted into heat energy. If the electronic element works in a high-temperature environment and does not have good heat dissipation, the efficiency of the electronic element is reduced, and the service life of the electronic element is shortened.

At present, the heat dissipation of electronic products mainly depends on heat dissipation fins, wherein the fin heat dissipation fins are mainly in a heat dissipation fin form, and the working principle of the heat dissipation fins is that the heat dissipation area is enlarged through the fins, and the heat conduction speed is improved through arranging a ventilation channel.

However, dust accumulates between the fins, which leads to the blockage of the fins after a long time, the heat dissipation performance of the heat sink is reduced, even the electronic components are damaged, and when the blockage dirt is cleaned, the cleaning is very troublesome because the fins cannot move; in addition, the electronic component is easy to overheat after being used for a long time, and the performance of the radiating fins is not synchronously improved, so that the electronic component is accelerated to age and even is easy to scrap in advance. The operation is troublesome when the heat sink is replaced with a new one, and additional cost is required.

SUMMERY OF THE UTILITY MODEL

For overcoming prior art's not enough, the utility model discloses a retractable fin convenient to clearance, this fin are equipped with retractable fin A and remove scraper blade's fin B, and ageing at electronic component, under the higher condition of heat dispersion requirement, perhaps when needing the clearance, can pull out fin A, block up the filth and clear away in the lump when pulling out.

In order to realize the purpose, the novel technical scheme is as follows:

the retractable fin radiating fin convenient to clean comprises a bottom plate, wherein a mounting structure used for mounting an electronic element is arranged on the lower surface of the bottom plate, a plurality of retractable fins A are vertically distributed on the upper surface of the bottom plate, a movable scraper-type fin B is connected between every two adjacent fins A, and the fins B can scrape blocking objects on the upper surface of the bottom plate when the fins A extend.

Preferably, the upper surface of the bottom plate is further uniformly distributed with a plurality of chutes with convex inner cavity longitudinal sections, two ends of each chute are open, the middle section in each chute is fixedly connected with a fixed block, two ends of each fixed block are fixedly provided with slide plate-shaped sub-fins, the fins A are of slide cavity structures with inner side ends open, the bottom ends of the fins A are fixedly connected with slide blocks with convex longitudinal sections, the fins A are slidably connected with the chutes through the slide blocks, and the sub-fins are accommodated in the slide cavities of the fins A and are slidably connected with the fins A.

Preferably, the sliding grooves are arranged on the upper surface of the bottom plate in parallel, and the heat dissipation blocks are fixedly connected between the adjacent fixing blocks.

Preferably, the radiating block is provided with a plurality of air pipes penetrating through the front end face and the rear end face.

Preferably, the fin B is provided with a plurality of vent holes A, and a plurality of linear airflow serial channels are formed between the vent holes A and the air pipe.

Preferably, the fins B are uniformly arranged between the fins a on both sides of the heat dissipation block.

Preferably, the top of the groove wall at the outer side end of the sliding groove is further provided with a limiting block, and the limiting block is matched with the fins B for use.

Preferably, the outer side end of the fin A at the same side is also fixedly connected with a pull rod.

Preferably, the sliding block is made of elastic damping metal materials and can limit the position in the sliding groove through damping action.

Preferably, the fin a and the sub-fin are both provided with a plurality of mutually matched vent holes B, and when the fin a is completely inserted and sleeved on the sub-fin, the fin a and the vent holes B on the sub-fin are mutually overlapped.

This novel retractable fin's convenient to clearance beneficial effect does:

when the electronic element is aged and easily generates heat, the fin A is completely pulled open, so that the heat dissipation area of the fin can be greatly increased, the novel heat dissipation capability is obviously improved, and the heat dissipation requirement of the electronic element is fully met. When the blockage between the fins A needs to be cleaned, the fins A only need to be pulled completely, the blockage can be scraped to the outside of the heat radiating fin by the fins B5, and then the pull rod is pushed back. A ventilation channel is formed between the fins A, a plurality of linear airflow serial channels are formed between the ventilation hole A and the air pipe, and due to the wind gathering effect of the air pipe, heat emitted by the fins can be quickly taken away by airflow, so that the heat dissipation efficiency is accelerated.

Drawings

FIG. 1: the front structure of the novel device is shown schematically;

FIG. 2: the novel overlooking structure schematic diagram;

FIG. 3: the novel fin A is in a schematic view of a top-down structure in a state of being completely pulled open;

FIG. 4: the top view of the novel embodiment provided with a plurality of fins B;

1: bottom plate, 2: fin a, 3: chute, 4: a slide block, 5: fin B, 6: heat dissipation block, 7: vent a, 8: air duct, 9: pull rod, 10: mounting hole, 11: stopper, 12: fixed block, 13: and a sub-fin.

Detailed Description

The following description is of the preferred embodiment of the present invention only, and is not intended to limit the scope of the present invention, which is to be accorded the widest scope consistent with the principles and spirit of the present invention.

As shown in FIGS. 1-4:

a retractable fin radiating fin convenient to clean comprises a bottom plate 1, wherein a mounting structure for mounting an electronic element is arranged on the lower surface of the bottom plate 1, a plurality of retractable fins A2 are vertically distributed on the upper surface of the bottom plate, a movable scraper-type fin B5 is connected between adjacent fins A2, and the fins B5 can scrape blocking objects on the upper surface of the bottom plate 1 when the fins A retract;

the upper surface of the bottom plate 1 is also uniformly distributed with a plurality of chutes 3 with convex inner cavity longitudinal sections, two ends of each chute 3 are open, the middle section in each chute 3 is fixedly connected with a fixed block 12, two ends of each fixed block 12 are fixedly provided with slide plate-shaped sub-fins 13, each fin A2 is of a slide cavity structure with an open inner side end, the bottom end of each fin A2 is fixedly connected with a slide block 4 with a convex longitudinal section, each fin A2 is in sliding connection with the corresponding chute 3 through the corresponding slide block 4, and each sub-fin 13 is accommodated in a slide cavity of the corresponding fin A2 and is in sliding connection with the corresponding fin A2;

the sliding chutes 3 are arranged on the upper surface of the bottom plate 1 in parallel, and the heat dissipation blocks 6 are fixedly connected between the adjacent fixed blocks 12;

the heat dissipation block 6 is provided with a plurality of air pipes 8 penetrating through the front end face and the rear end face;

a plurality of vent holes A7 are formed in the fin B5, and a plurality of linear airflow serial channels are formed between the vent holes A7 and the air pipe 8;

a plurality of fins B5 are uniformly arranged between the fins A2 on both sides of the heat dissipation block 6;

the top of the groove wall of the outer side end of the chute 3 is also provided with a limiting block 11, and the limiting block 11 is matched with the fin B5 for use;

the outer side end of the fin A2 on the same side is also fixedly connected with a pull rod 9;

the sliding block 4 is made of elastic damping metal materials and can limit the position in the sliding groove 3 through the damping effect;

the fin A2 and the sub-fin 13 are both provided with a plurality of mutually matched ventilation holes B, and when the fin A is completely inserted on the sub-fin 13, the fin A2 and the ventilation holes B on the sub-fin 13 are mutually overlapped.

This neotype theory of use:

when the electronic component is aged and easily generates heat, the fin a2 is completely pulled open as shown in fig. 3, so that the heat dissipation area of the fin can be greatly increased, and the heat dissipation capability of the novel heat dissipation device is remarkably improved, so that the heat dissipation requirement of the electronic component is fully met.

When it is necessary to clear the blockage between fins a2, the blockage can be scraped off the heat sink by fins B5 by simply pulling fins a2 completely away as shown in fig. 3, and then pushing the pull rod back.

A ventilation channel is formed between the fins A2, a plurality of linear airflow serial channels are formed between the ventilation holes A7 and the air pipe 8, and due to the wind gathering effect of the air pipe 8, heat emitted by the fins can be quickly taken away by airflow, so that the heat dissipation efficiency is accelerated.

Claims

1. A retractable fin convenient to clearance, characterized by: the movable scraper type fin plate comprises a bottom plate, wherein a mounting structure for mounting an electronic element is arranged on the lower surface of the bottom plate, a plurality of telescopic fins A are vertically distributed on the upper surface of the bottom plate, a movable scraper type fin B is connected between every two adjacent fins A, and the fins B can scrape blocking objects on the upper surface of the bottom plate when the fins A are telescopic.

2. A retractable fin heat sink for facilitating cleaning, as recited in claim 1, wherein: the upper surface of the bottom plate is also uniformly distributed with a plurality of chutes with convex inner cavity longitudinal sections, two ends of each chute are open, the middle section in each chute is fixedly connected with a fixed block, two ends of each fixed block are fixedly provided with slide plate-shaped sub-fins, the fins A are of slide cavity structures with the inner side ends open, the bottom ends of the fins A are fixedly connected with slide blocks with convex longitudinal sections, the fins A are slidably connected with the chutes through the slide blocks, and the sub-fins are accommodated in the slide cavities of the fins A and are slidably connected with the fins A.

3. A retractable fin heat sink for facilitating cleaning, as recited in claim 2, wherein: the sliding grooves are arranged on the upper surface of the bottom plate in parallel, and a heat dissipation block is fixedly connected between the adjacent fixed blocks.

4. A retractable fin heat sink for facilitating cleaning, as recited in claim 3, wherein: the radiating block is provided with a plurality of air pipes which run through the front end face and the rear end face.

5. The retractable fin heat sink for facilitating cleaning of claim 4, wherein: the fin B on be equipped with a plurality of ventilation holes A, a plurality of ventilation holes A and tuber pipe between constitute a plurality of straight line air current serial passageways.

6. A retractable fin heat sink for facilitating cleaning, as recited in claim 5, wherein: the fins B are uniformly arranged among the fins A on the two sides of the heat dissipation block.

7. The retractable fin heat sink for facilitating cleaning of claim 6, wherein: and the top of the groove wall at the outer side end of the sliding groove is also provided with a limiting block, and the limiting block is matched with the fins B for use.

8. The retractable fin heat sink for facilitating cleaning of claim 7, wherein: the outer side end of the fin A at the same side is also fixedly connected with a pull rod.

9. The retractable fin heat sink convenient for cleaning as claimed in any one of claims 2 to 8, wherein: the sliding block is made of elastic damping metal materials and can limit the position in the sliding groove through the damping effect.

10. The retractable fin heat sink convenient for cleaning as claimed in any one of claims 2 to 8, wherein: the fin A and the sub-fins are respectively provided with a plurality of mutually matched ventilation holes B, and when the fin A is completely inserted and sleeved on the sub-fins, the fin A and the ventilation holes B on the sub-fins are mutually overlapped.