CN214577956U

CN214577956U - Noise reduction device for computer fan blades

Info

Publication number: CN214577956U
Application number: CN202120767098.9U
Authority: CN
Inventors: 沈毅
Original assignee: ANYANG VOCATIONAL AND TECHNICAL COLLEGE
Current assignee: ANYANG VOCATIONAL AND TECHNICAL COLLEGE
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-11-02
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses a device of making an uproar falls in computer fan blade, include: the fan comprises a fan frame and a fan body, wherein the fan body is fixed on the inner side of the fan frame; the bottom of the fan frame is fixed on the bottom of the inner side of the buffer seat; the cover of making an uproar falls, it is cylindric structure to fall the cover of making an uproar, the threaded hole that link up mutually with the lateral wall of falling the cover of making an uproar is seted up to the lateral wall of buffer seat, and threaded hole is provided with the set screw, fall the cover of making an uproar and pass through set screw and fan frame fixed connection, this device of making an uproar falls of computer fan blade, through the buffer seat that sets up, by the inside recess of buffer seat and cushion can cushion the absorption to the vibrations that fan body work produced, indirectly reduced because the noise that fan blade vibrations produced, through the cover of making an uproar falls that sets up, by falling the cover of making an uproar, inhale the layer of making an uproar and mutually supporting on isolated layer that set up in the cover of making an uproar and can be in the noise absorption, with the noise isolated in the fan frame, isolated absorption effect is good, the production and the propagation of noise have significantly reduced.

Description

Noise reduction device for computer fan blades

Technical Field

The utility model relates to a computer technology field specifically is a device of making an uproar falls in computer fan blade.

Background

The computer is commonly called computer, and is a modern electronic computing machine for high-speed computation, which can perform numerical computation, logic computation and memory function. The intelligent electronic device can be operated according to a program, and can automatically process mass data at a high speed.

The computer operation in-process can produce certain noise in the mainframe box, the noise that continuously produces easily causes destruction to user's travelling comfort experience, consequently to the computer fall the noise processing just seem to be very important, the noise sound source of computer is radiator fan, radiator fan operation in-process easily produces the noise, and the noise that computer mainframe fan produced can produce various influences to the user, symptoms such as headache, dysphoria, insomnia etc. are for example, present manufacturer increases passive measures such as various baffles, absorption pad on the fan and realizes the noise reduction effect, but the noise reduction effect is not very good. To this end, we propose a noise reduction device for computer fan blades.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device of making an uproar falls in computer fan blade 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 noise reducer for a computer fan blade, comprising: the fan comprises a fan frame and a fan body, wherein the fan body is fixed on the inner side of the fan frame; the bottom of the fan frame is fixed on the bottom of the inner side of the buffer seat; the noise reduction sleeve is of a cylindrical structure, a threaded hole communicated with the side wall of the noise reduction sleeve is formed in the side wall of the buffer seat, a fixing screw is arranged in the threaded hole, and the noise reduction sleeve is fixedly connected with the fan frame through the fixing screw; annular piece and dust guard, the annular piece is fixed at the top of making an uproar cover of falling, and the dust guard is fixed on the inside wall of annular piece.

Preferably, the noise reduction sleeve comprises a noise absorption layer, an enhancement layer and an isolation layer from inside to outside, gaps are reserved between the noise absorption layer, the enhancement layer and the isolation layer and are fixed through viscose glue, a plurality of cavities are reserved inside the enhancement layer, sound absorption blocks are filled in the cavities, and the noise absorption layer, the enhancement layer and the isolation layer are equal in thickness.

Preferably, the buffer seat is by outer to interior shell and the cushion of including respectively, the recess passes through the viscose and is fixed with the inside wall of shell, be provided with the recess between shell and the cushion, the cushion intussuseption is filled with a plurality of buffering gasbags, the edge of the shell left and right sides all is fixed with the fixed block, and has seted up the fixed orifices on the fixed block.

Preferably, the top of the noise reduction sleeve is fixed with four clamping blocks in an annular array, and the bottom of the annular block is provided with clamping grooves matched with the clamping blocks.

Preferably, the sound absorption block is of a spherical structure, and the sound absorption block is made of a mixture of sound absorption sponge and fine sand.

Preferably, the buffering gasbag is oblate spherical structure, and the material of buffering gasbag is polyurethane rubber material.

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

the utility model discloses a cushion socket that sets up, can cushion the absorption to the vibrations that fan body work produced by the inside recess of cushion socket and buffer pad, indirectly reduced because the noise that fan blade vibrations produced, through the cover of making an uproar that falls that sets up, by falling the noise cover set up inhale the noise layer and the mutually supporting of isolated layer can be in noise absorption in the fan frame, completely cut off the noise in the fan frame, isolated absorption effect is good, the production and the propagation of noise have been reduced greatly, the sound absorption piece that sets up simultaneously, can improve the sound absorption effect who inhales the noise layer.

Drawings

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

FIG. 2 is an exploded view of the present invention;

fig. 3 is a partial cross-sectional view of the noise reduction sleeve of the present invention;

FIG. 4 is a schematic structural view of the buffer seat of the present invention;

fig. 5 is a partial sectional view of the buffer seat of the present invention;

fig. 6 is a schematic view of the ring-shaped block structure of the present invention.

In the figure: 1-a fan frame; 2-a buffer seat; 3-noise reduction sleeve; 4-a ring block; 5, a dust guard; 6-a fan body; 7-a threaded hole; 8-fixing screws; 9-a fixture block; 10-a card slot; 11-a noise absorbing layer; 12-an enhancement layer; 13-an insulating layer; 14-a sound absorbing block; 15-a housing; 16-a groove; 17-a cushion pad; 18-a cushioning bladder; 19-fixing block; 20-fixing hole.

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. 1-6, the present invention provides a technical solution: a noise reducer for a computer fan blade, comprising: the fan comprises a fan frame 1 and a fan body 6, wherein the fan body 6 is fixed on the inner side of the fan frame 1; the bottom of the fan frame 1 is fixed on the bottom of the inner side of the buffer seat 2, and the buffer seat 2 is arranged to buffer and absorb the vibration generated by the work of the fan body 6, so that the noise generated by the vibration of the fan blades is indirectly reduced; the noise reduction sleeve 3 is of a cylindrical structure, a threaded hole 7 communicated with the side wall of the noise reduction sleeve 3 is formed in the side wall of the buffer seat 2, a fixing screw 8 is arranged in the threaded hole 7, and the noise reduction sleeve 3 is fixedly connected with the fan frame 1 through the fixing screw 8, so that the noise reduction sleeve 3 is convenient to detach and mount; annular piece 4 and dust guard 5, annular piece 4 is fixed at the top of falling the cover 3 of making an uproar, and dust guard 5 fixes on the inside wall of annular piece 4, can prevent that the dust is difficult for entering in fan frame 1.

The noise reduction sleeve 3 comprises a noise absorption layer 11, an enhancement layer 12 and an isolation layer 13 from inside to outside, gaps are reserved between the noise absorption layer 11, the enhancement layer 12 and the isolation layer 13 respectively and are fixed through viscose, a plurality of cavities are reserved inside the enhancement layer 12, and sound absorption blocks 14 are filled in the cavities, the thicknesses of the noise absorption layer 11, the enhancement layer 12 and the isolation layer 13 are equal, sound waves and vibration generated by the fan body 6 can be absorbed through the noise absorption layer 11, noise can be generated through the noise absorption layer 13, the noise can be isolated in the fan frame 1, the generation and the propagation of the noise are greatly reduced, and the noise absorption effect of the noise absorption layer 11 is improved through the matching of the sound absorption blocks 14.

Buffer base 2 is by outer to interior shell 15 and the buffering pad 17 of including respectively, it is fixed with the inside wall of shell 15 that buffer pad 17 passes through the viscose, be provided with recess 16 between shell 15 and the buffering pad 17, the recess 16 intussuseption is filled with a plurality of buffering gasbags 18, can cushion the absorption to the vibrations that fan body 6 work produced by the recess 16 and the buffering pad 17 of buffer base 2 inside, has indirectly reduced because the noise that fan blade vibrations produced, the edge of the shell 15 left and right sides all is fixed with fixed block 19, and has seted up fixed orifices 20 on the fixed block 19, through the fixed orifices 20 that set up, is convenient for fix whole device on the computer.

The top of the noise reduction sleeve 3 is fixed with four clamping blocks 9 in an annular array, the bottom of the annular block 4 is provided with a clamping groove 10 matched with the clamping blocks 9, and the annular block 4 is convenient to mount and dismount through the clamping cooperation of the clamping blocks 9 and the clamping groove 10.

The sound absorption block 14 is of a spherical structure, the internal material of the sound absorption block 14 is a mixture of sound absorption sponge and fine sand, and the sound absorption block has unique comprehensive performances of sound absorption, heat insulation, flame retardance, high temperature resistance, water absorption, light weight and the like, and is beneficial to the improvement of the sound absorption effect of the enhancement layer 12.

The buffering air bag 18 is of a flat spherical structure, the buffering air bag 18 is made of a polyurethane rubber material, so that the effects of absorbing vibration and reducing noise are good, vibration generated during working of the fan body 6 can be buffered and absorbed, and noise generated due to vibration of fan blades is indirectly reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 noise reducer for a computer fan blade, comprising:

the fan comprises a fan frame (1) and a fan body (6), wherein the fan body (6) is fixed on the inner side of the fan frame (1);

the bottom of the fan frame (1) is fixed on the bottom of the inner side of the buffer seat (2);

the noise reduction sleeve (3) is of a cylindrical structure, a threaded hole (7) communicated with the side wall of the noise reduction sleeve (3) is formed in the side wall of the buffer base (2), a fixing screw (8) is arranged in the threaded hole (7), and the noise reduction sleeve (3) is fixedly connected with the fan frame (1) through the fixing screw (8);

annular piece (4) and dust guard (5), the top of making an uproar cover (3) falls is fixed in annular piece (4), and dust guard (5) are fixed on the inside wall of annular piece (4).

2. The noise reducer of a computer fan blade of claim 1, wherein: the noise reduction sleeve (3) comprises a noise absorption layer (11), an enhancement layer (12) and an isolation layer (13) from inside to outside, gaps are reserved between the noise absorption layer (11), the enhancement layer (12) and the isolation layer (13) respectively and are fixed through viscose, a plurality of cavities are reserved inside the enhancement layer (12), sound absorption blocks (14) are filled in the cavities, and the noise absorption layers (11), the enhancement layer (12) and the isolation layer (13) are equal in thickness.

3. The noise reducer of a computer fan blade of claim 2, wherein: buffer seat (2) are by outer to interior shell (15) and cushion (17) of including respectively, cushion (17) are fixed through the inside wall of viscose and shell (15), be provided with between shell (15) and cushion (17) recess (16), recess (16) intussuseption is filled with a plurality of buffering gasbag (18), the edge of shell (15) left and right sides all is fixed with fixed block (19), and has seted up fixed orifices (20) on fixed block (19).

4. The noise reducer of a computer fan blade of claim 1, wherein: the top of the noise reduction sleeve (3) is fixed with four clamping blocks (9) in an annular array, and the bottom of the annular block (4) is provided with clamping grooves (10) matched with the clamping blocks (9).

5. The noise reducer of a computer fan blade of claim 2, wherein: the sound absorption block (14) is of a spherical structure, and the sound absorption block (14) is made of a mixture of sound absorption sponge and fine sand.

6. A computer fan blade noise reducer as defined in claim 3, wherein: the buffering air bag (18) is of a flat spherical structure, and the buffering air bag (18) is made of a polyurethane rubber material.