CN210377355U

CN210377355U - Computer radiator fan convenient to installation is dismantled

Info

Publication number: CN210377355U
Application number: CN201921747695.4U
Authority: CN
Inventors: 付志荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-04-21
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses a computer radiator fan convenient to installation is dismantled, including fan housing, cap structure, cap, ventilation hole, fixed block, fan structure, spiral cover, pivot, flabellum, dust removal cover structure and motor. The utility model has the advantages that: the utility model discloses a mode of directly cup jointing is installed the pivot cover of flabellum and installation flabellum, and then drive through the motor and dispel the heat, make radiator fan more convenient when installing and dismantling, only need pull down the apron and can take off spiral cover and flabellum and carry out corresponding cleanness or maintenance work, simultaneously through the dust removal cover structure that sets up, make even not dismantle whole the fan and also can carry out the simple clear away of adhering to the dust on the flabellum, in order to guarantee the good radiating effect of radiator fan, the dust of scraping can directly discharge through the ventilation hole, can not continue inside the access device, long service life, clean efficient.

Description

Computer radiator fan convenient to installation is dismantled

Technical Field

The utility model relates to a radiator fan specifically is a computer radiator fan convenient to installation is dismantled, belongs to computer hardware technical field.

Background

The computer fan is also called a heat dissipation fan, and is generally used for heat dissipation and is provided for a heat sink and a chassis, and generally, the heat dissipation effect of the heat sink is 30% dependent on the rotation speed of the fan. But fans do not rotate as high as possible. The correct fan rotating speed is determined according to the heat productivity of the CPU, the rotating speed selections of fans with different specifications are distinguished, and the basic principle is as follows: on the premise of generating the same air quantity, the rotating speed of the fan is lower when the fan is larger, and the noise is also lower.

However, the heat dissipation fan can accumulate a large amount of dust after long-time use, not only seriously influences the heat dissipation effect of the fan, but also can improve the heat productivity of the computer hardware, influences the normal work of the computer hardware, and when the fan is cleaned, the fan is usually fixed by a large amount of screws, so that the disassembly and the assembly are troublesome, and the cleaning efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a computer radiator fan convenient to installation dismantlement just for solving above-mentioned problem, simple structure makes things convenient for the dismouting, conveniently cleans simultaneously.

The utility model achieves the above purpose by the following technical proposal, a computer cooling fan convenient for installation and disassembly, which comprises a fan shell, one side of the fan shell is connected with a shell cover structure, the shell cover structure comprises a shell cover, a ventilation hole and a fixed block, the ventilation hole is annularly arranged on the surface of the shell cover, one side of the shell cover is also provided with the fixed block, the fixed block is fixedly connected with the side surface of the fan shell by bolts, the inner side wall of the fan shell is fixedly provided with a motor, one end of the motor is connected with the fan structure, the fan structure comprises a spiral cover, a rotating shaft sleeve, a rotating shaft and fan blades, one end of the motor is connected with the rotating shaft, the section of one end of the rotating shaft, which deviates from the motor, is a square, the rotating shaft sleeve is sleeved on one end of the rotating shaft, the rotating shaft, the side fixedly connected with of spiral cover is a plurality of the flabellum, the flabellum still is connected with ash removal cover structure.

Preferably, can scrape the dust that adheres to on the flabellum down when making the flabellum slide the slide opening, reach clear effect, dust removing sleeve structure is including scraping grey circle and slide opening, it has a plurality ofly to scrape the side of grey circle the slide opening, the flabellum rather than corresponding the lateral wall sliding connection of slide opening, scrape the inner circle side of grey circle with the side sliding connection of spiral cover.

Preferably, in order to further improve the dust removing capability of the sliding hole formed in the dust scraping ring and the larger angle between the sliding hole and the fan blade and improve the cleaning effect, the dust removing sleeve structure further comprises a convex block, and the convex block is arranged on one side of the sliding hole formed in the dust scraping ring.

Preferably, in order to prevent the fan blade from completely separating from the sliding hole, so that the fan blade falls off and the use is affected, the fan structure further comprises a stop block, the stop block is arranged at one end, close to the inner side wall of the fan shell, of the fan blade, and the width of the stop block is larger than that of the sliding hole.

Preferably, in order to make the fan can finish the back at the dust removal and reply to original position automatically, facilitate the use, the fan structure still includes the torsional spring, the torsional spring cup joint in the pivot is sheathe in, the one end of torsional spring with the side fixed connection of pivot cover, the other end of torsional spring with the inside wall fixed connection of spiral cover.

Preferably, in order to prevent the fan from falling off through the hole on the cover plate with the dust scraping ring and ensure that the fan cannot generate overlarge fluctuation in the device, the dust removing sleeve structure further comprises a limiting ring, the limiting ring is arranged on the side surface of the dust scraping ring, and one side of the limiting ring is connected with the inner side wall of the fan shell in a sliding mode.

Preferably, in order to facilitate a user to remove dust by rotating the fan through the screw cap, the screw cap is provided with a linear protrusion, and the surface of the screw cap is lower than the outer side surface of the dust scraping ring.

The utility model has the advantages that: the utility model discloses a mode of directly cup jointing is installed the pivot cover of flabellum and installation flabellum, and then drive through the motor and dispel the heat, make radiator fan more convenient when installing and dismantling, only need pull down the apron and can take off spiral cover and flabellum and carry out corresponding cleanness or maintenance work, simultaneously through the dust removal cover structure that sets up, make even not dismantle whole the fan and also can carry out the simple clear away of adhering to the dust on the flabellum, in order to guarantee the good radiating effect of radiator fan, the dust of scraping can directly discharge through the ventilation hole, can not continue inside the access device, long service life, clean efficient.

Drawings

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

FIG. 2 is a schematic view of a connection structure between the fan housing and the fan structure shown in FIG. 1;

FIG. 3 is a schematic view of a connection structure between the fan structure and the dust removing cover structure shown in FIG. 1.

In the figure: 1. fan housing, 2, cap structure, 21, cap, 22, ventilation hole, 23, fixed block, 3, fan structure, 31, spiral cover, 32, pivot cover, 33, pivot, 34, flabellum, 35, dog, 36, torsional spring, 4, dust removing cover structure, 41, dust scraping ring, 42, slide opening, 43, lug, 44, spacing ring, 5, motor.

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. 1-3, a computer cooling fan convenient for mounting and dismounting includes a fan housing 1, one side of the fan housing 1 is connected with a housing cover structure 2, the housing cover structure 2 includes a housing cover 21, a ventilation hole 22 and a fixing block 23, the ventilation hole 22 is annularly opened on the surface of the housing cover 21, one side of the housing cover 21 is further provided with the fixing block 23, the fixing block 23 is fixedly connected with the side surface of the fan housing 1 through a bolt, the inner side wall of the fan housing 1 is fixedly provided with a motor 5, one end of the motor 5 is connected with the fan structure 3, the fan structure 3 includes a rotary cover 31, a rotary shaft sleeve 32, a rotary shaft 33 and fan blades 34, one end of the motor 5 is connected with the rotary shaft 33, the section of the rotary shaft 33, which is far away from the end of the motor 5, is square, the rotary shaft sleeve 32 is sleeved on one end of the rotary shaft 33, the fan blades 34 are also connected with a dust removing sleeve structure 4.

As a technical optimization scheme of the utility model, dust removal jacket structure 4 includes scrapes ash ring 41 and slide opening 42, scrapes the side of ash ring 41 and has seted up a plurality of slide openings 42, and flabellum 34 is rather than the lateral wall sliding connection of the slide opening 42 that corresponds, scrapes the side sliding connection of the inner circle side of ash ring 41 and spiral cover 31.

As a technical optimization scheme of the utility model, ash removal jacket structure 4 still includes lug 43, and lug 43 locates the one side of scraping the slide opening 42 of seting up on ash ring 41.

As a technical optimization scheme of the utility model, fan structure 3 still includes dog 35, and dog 35 locates that flabellum 34 is close to one of fan housing 1 inside wall and serves, and the width of dog 35 is greater than the width of slide opening 42.

As a technical optimization scheme of the utility model, fan structure 3 still includes torsional spring 36, and torsional spring 36 cup joints on pivot cover 32, the one end of torsional spring 36 and the side fixed connection of pivot cover 32, the other end of torsional spring 36 and spiral cover 31's inside wall fixed connection.

As a technical optimization scheme of the utility model, dust removing sleeve structure 4 still includes spacing collar 44, and spacing collar 44 is seted up on scraping the side of grey circle 41, and one side of spacing collar 44 and fan housing 1's inside wall sliding connection.

As a technical optimization scheme of the utility model, the spiral cover 31 is equipped with "one" font protruding, and the surface of spiral cover 31 is less than the outside surface of scraping ash ring 41.

When the utility model is used, firstly, when the heat radiation fan needs to be disassembled, firstly, the whole fan is disassembled from the case, then the case cover 21 is disassembled by unscrewing the screw at the fixed block 23 for fixing the case cover 21, at this time, because the rotary cover 31 for installing the fan blade 34 is sleeved on the rotary shaft 33 driven by the motor 5 through the rotary shaft sleeve 32, the whole fan structure can be directly taken down for cleaning work, the disassembly and the installation are convenient and fast, meanwhile, if the dust accumulation condition in the fan is not very serious and is mainly positioned on the fan blade 34, the simple cleaning can be realized by the dust removing sleeve structure 4 more fast, and the case cover 21 is not needed to be disassembled, firstly, the part of the dust scraping ring 41 exposed out of the case cover 21 is lightly pressed and fixed by a user, then the rotary cover 31 is rotated through the one-shaped bulge arranged on the rotary cover 31, because the fan blade 34 is made of elastic material, when the rotary cover 31 rotates, the fan blades 34 are folded towards the middle part, and gradually pass through the corresponding sliding holes 42 formed in the dust scraping ring 41, dust attached to the fan blades 34 is scraped off, the stop blocks 35 are arranged at the tail ends of the fan blades 34, so that the fan blades 34 cannot completely pass through the sliding holes 42, the scraped dust cannot enter the inside through the sliding holes 42 to influence the normal operation of the heat dissipation fan, after the cleaning is finished, the dust can be discharged through the ventilation holes 22 formed in the fan shell 1 and the shell cover 21, the rotary cover 31 can be selected to return to rotate reversely under the action of the torsion spring 36, so that the fan blades 34 return through the sliding holes 42 again, the cleaning function can be realized without disassembly, the cleaning efficiency is high, after the heat dissipation fan is re-installed in a computer case, the motor 5 is connected with a power supply, when the fan operates, the dust scraping ring 41 and the rotary cover 31 rotate simultaneously, due to the arrangement of the limit ring 44, the fan can not fall off in the rotating process.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a computer radiator fan convenient to installation is dismantled, includes fan housing (1), its characterized in that: one side of the fan shell (1) is connected with a shell cover structure (2), the shell cover structure (2) comprises a shell cover (21), a ventilation hole (22) and a fixing block (23), the ventilation hole (22) is annularly arranged on the surface of the shell cover (21), the fixing block (23) is further arranged on one side of the shell cover (21), the fixing block (23) is fixedly connected with the side surface of the fan shell (1) through a bolt, a motor (5) is fixedly arranged on the inner side wall of the fan shell (1), one end of the motor (5) is connected with a fan structure (3), the fan structure (3) comprises a spiral cover (31), a rotating shaft sleeve (32), a rotating shaft (33) and fan blades (34), one end of the motor (5) is connected with the rotating shaft (33), and the cross section of one end of the rotating shaft (33) deviating from the motor (5) is square, the pivot cover (32) cup joint in the one end of pivot (33), the side of pivot cover (32) is connected with spiral cover (31), the side fixedly connected with of spiral cover (31) is a plurality of flabellum (34), flabellum (34) still are connected with ash removal cover structure (4).

2. The computer cooling fan convenient for installation and disassembly according to claim 1, wherein: dust removing sleeve structure (4) are including scraping ash ring (41) and slide opening (42), scrape the side of ash ring (41) and seted up a plurality ofly slide opening (42), flabellum (34) and its correspondence the lateral wall sliding connection of slide opening (42), scrape the inner circle side of ash ring (41) with the side sliding connection of spiral cover (31).

3. The computer cooling fan convenient for installation and disassembly according to claim 2, wherein: the ash removing sleeve structure (4) further comprises a convex block (43), and the convex block (43) is arranged on one side of the sliding hole (42) formed in the ash scraping ring (41).

4. The computer cooling fan convenient for installation and disassembly according to claim 2, wherein: the fan structure (3) further comprises a stop block (35), the stop block (35) is arranged at one end, close to the inner side wall of the fan shell (1), of the fan blade (34), and the width of the stop block (35) is larger than that of the sliding hole (42).

5. The computer cooling fan convenient for installation and disassembly according to claim 1, wherein: fan structure (3) still includes torsional spring (36), torsional spring (36) cup joint in on pivot cover (32), the one end of torsional spring (36) with the side fixed connection of pivot cover (32), the other end of torsional spring (36) with the inside wall fixed connection of spiral cover (31).

6. The computer cooling fan convenient for installation and disassembly according to claim 2, wherein: dust removing sleeve structure (4) still include spacing collar (44), spacing collar (44) are seted up on scraping the side of ash ring (41), just one side of spacing collar (44) with the inside wall sliding connection of fan housing (1).

7. The computer cooling fan convenient for installation and disassembly according to claim 2, wherein: the screw cap (31) is provided with a linear protrusion, and the surface of the screw cap (31) is lower than the outer side surface of the ash scraping ring (41).