CN220566316U

CN220566316U - Blower with noise reduction structure

Info

Publication number: CN220566316U
Application number: CN202322262803.1U
Authority: CN
Inventors: 李昂; 吴桂清; 李勇; 刘福祥; 徐光兴; 宋运良; 陈明勇; 张衍; 韩洪君; 王浩; 王兴国
Original assignee: Guizhou Yuedu Chemical Co ltd
Current assignee: Guizhou Yuedu Chemical Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-03-08
Anticipated expiration: 2033-08-22

Abstract

The utility model discloses a blower with a noise reduction structure, which comprises a blower base, a motor and a blower case, wherein the top surface of the blower base is fixedly connected with the bottoms of a first sleeve and a second sleeve respectively, one end of a first telescopic rod is movably sleeved on the first sleeve, the noise source of a traditional fan can be reduced through the arrangement of an axial flow fan, the noise source can be dispersed and reduced through the arrangement of a sound absorbing plate, the noise source can be blocked and reduced again through the arrangement of a noise reducing plate, the noise source of an air outlet can be absorbed through the arrangement of an air outlet noise insulating cotton, vibration generated by the motor and a blower body can be damped through the mutual cooperation of a first sleeve and a second sleeve related connecting device, and finally, the noise source is damped through the multi-layer noise reduction, so that the problem that the noise reduction of the blower is improved to a certain extent, but the vibration of a working machine body is generated by the blower is solved, and the noise reduction function of the blower is not very effective in practice.

Description

Blower with noise reduction structure

Technical Field

The utility model relates to the technical field of blower equipment, in particular to a blower with a noise reduction structure.

Background

In units such as sewage treatment plants and mechanical processing plants, a blower plays an important role in providing oxygen and air for decomposing organic matters by microorganisms as a key device, and the conventional blower is noisy, so that the blower needs to be subjected to noise reduction treatment.

Therefore, the Chinese utility model with the authorization notice of CN213016984U discloses a blower with a noise reduction function, which comprises a blower main body and a sound insulation and noise reduction cover fully covered outside the blower main body.

The above device has the following problems: the device produces the sound insulation effect through concatenation formula sound proof housing, and the device has improved to a certain extent and has fallen the noise, but the air-blower can produce the vibration at work organism itself, actually falls the function of making an uproar to the air-blower itself and can not very effectively fall the noise.

To this end we propose a blower with noise reduction structure to solve the above problems.

Disclosure of Invention

The present utility model is directed to a blower with a noise reduction structure, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a air-blower with structure of making an uproar falls, includes blower base, motor and blower machine case, blower base top surface rigid coupling has first sleeve and second sleeve bottom respectively, the one end of first telescopic link has been cup jointed to first sleeve activity, first sleeve lower extreme has fixedly cup jointed a first connecting block, first telescopic link upper end has fixedly cup jointed a first connecting block, two rigid coupling has the both ends of first spring between the first connecting block, two first connecting blocks articulate respectively has the one end of two piece altogether first connecting links, two the other end of first connecting link articulates has the one end of first connecting block, a lateral wall rigid coupling of first connecting block has the one end of connecting spring;

the utility model discloses a fan, including first telescopic link, second telescopic link, air-blower bottom, second telescopic link, first telescopic link, second telescopic link, the one end of second telescopic link has been cup jointed in the activity of second sleeve, a second connecting block has been cup jointed to the second sleeve lower extreme, a second connecting block has been cup jointed to the fixed cover of second telescopic link upper end, two the rigid coupling has the both ends of second spring between the second connecting block, two the second connecting block articulates respectively has the one end of two second connecting rods altogether, two the other end of second connecting rod articulates has the one end of second connecting block, a side wall rigid coupling of second connecting block has the one end of connecting spring, air-blower bottom of the case portion rigid coupling has first telescopic link and second telescopic link top respectively.

Preferably, the motor top surface rigid coupling has the one end in wiring chamber, wiring chamber top threaded connection has the top cap.

Preferably, one end of the motor is fixedly connected with one end of the blower case, and an axial flow fan is rotationally connected to a rotating shaft of the motor in the blower case.

Preferably, the inner wall of the blower case is fixedly connected with a noise reduction plate, and the noise reduction plate is fixedly connected with a sound absorption plate.

Preferably, an air inlet is formed in one side wall of the blower case, and a sound absorbing cover is fixedly connected to the air inlet.

Preferably, the blower case is fixedly connected with an air outlet pipe, and the air outlet pipe is fixedly sleeved with soundproof cotton.

Compared with the prior art, the utility model has the beneficial effects that: the noise source of traditional fan can be reduced through the setting of axial fan, can scatter the noise source and fall the noise through the setting of abatvoix, the board arch of making an uproar can block the noise source again and fall the noise through the setting of making an uproar board of making an uproar falls, thereby the vibrations that the setting of air outlet soundproof cotton produced are absorbed to the air outlet noise source, thereby can reduce the shock attenuation with the noise source through the vibrations that first sleeve and the relevant connecting device of second sleeve produced with the air-blower fuselage mutually support, final multilayer is fallen and is fallen, the noise of above-mentioned device has been solved to a certain extent and is fallen, but the air-blower can produce the vibration at the work organism itself, the actual problem of falling the noise to the air-blower itself and falling the function of making an uproar is very effective noise.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a perspective view of an axial fan according to the present utility model;

FIG. 3 is a perspective view of the damping structure of the blower base of the present utility model;

fig. 4 is a perspective view of the sound absorbing panel of the present utility model

FIG. 5 is a perspective view of a noise reduction plate according to the present utility model

In the figure: 1. a blower base; 101. a mounting hole; 2. a first sleeve; 201. a first telescopic rod; 202. a first spring; 203. a first link; 204. a first connection block; 205. a connecting spring; 3. a second sleeve; 301. a second telescopic rod; 302. a second spring; 303. a second link; 304. a second connection block; 4. a motor; 401. a wiring cavity; 402. a top cover; 5. a blower housing; 501. an air inlet; 502. a sound absorbing cover; 503. a sound absorbing panel; 504. a noise reduction plate; 6. an axial flow fan; 7. an air outlet pipe; 701. and (5) soundproof cotton.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, in a first embodiment of the present utility model, a blower with a noise reduction structure is provided, and the blower includes a blower base 1 and a motor 4, wherein the top surface of the blower base 1 is fixedly connected with a first sleeve 2 and the bottom of a second sleeve 3 respectively, the first sleeve 2 is movably sleeved with one end of a first telescopic rod 201, the lower end of the first sleeve 2 is fixedly sleeved with a first connecting block 204, the upper end of the first telescopic rod 201 is fixedly sleeved with a first connecting block 204, two ends of a first spring 202 are fixedly connected between the two first connecting blocks 204, the two first connecting blocks 204 are respectively hinged with one ends of two first connecting rods 203, the other ends of the two first connecting rods 203 are hinged with one ends of the first connecting blocks 204, and one side wall of the first connecting block 204 is fixedly connected with one end of a connecting spring 205;

the one end of second telescopic link 301 has been cup jointed in the activity of second sleeve 3, the fixed second connecting block 304 that has cup jointed of second sleeve 3 lower extreme, a second connecting block 304 has been cup jointed to the fixed second connecting block 304 that has cup jointed of second telescopic link 301 upper end, the rigid coupling has the both ends of second spring 302 between two second connecting blocks 304, the one end of two second connecting rods 303 has been articulated respectively to two second connecting blocks 304, the one end of second connecting block 304 has been articulated to the other end of two second connecting rods 303, the one side wall rigid coupling of second connecting block 304 has the one end of connecting spring 205, blower case 5 bottom rigid coupling has first telescopic link 201 and second telescopic link 301 top respectively, thereby the vibrations that first sleeve 2 and the relevant connecting device of second sleeve 3 mutually support the blower fuselage produced can be damped and noise source is damped.

Example 2

Referring to fig. 1-5, in a second embodiment of the present utility model, the top surface of the motor 4 is fixedly connected with one end of a wiring cavity 401, and a top cover 402 is screwed on the top of the wiring cavity 401.

One end of the motor 4 is fixedly connected with one end of the blower case 5, an axial flow fan 6 is rotatably connected to a rotating shaft of the motor 4 in the blower case 5, and noise is reduced due to the structure of the axial flow fan 6.

The inner wall of the blower case 5 is fixedly connected with a noise reduction plate 504, the noise reduction plate 504 is fixedly connected with a sound absorption plate 503, the sound absorption plate 503 is in a fine pore shape, noise sources can be dispersed and reduced by the pore shape, and noise sources can be blocked and reduced again by the protrusion of the noise reduction plate 504.

An air inlet 501 is formed in one side wall of the blower case 5, a sound absorbing cover 502 is fixedly connected to the air inlet 501, and the hole-shaped structure of the sound absorbing cover 502, which is arranged at the air inlet 501, can reduce noise of an induced draft sound source.

The blower case 5 is fixedly connected with an air outlet pipe 7, the air outlet pipe 7 is fixedly sleeved with a sound insulation cotton 701, and the sound insulation cotton 701 can perform noise reduction treatment on the air outlet pipe 7 again.

Example 3

Referring to fig. 1-5, in a third embodiment of the present utility model, when the present utility model is used, based on the above two embodiments, the motor 4 is turned on, the motor 4 operates to drive the axial flow fan 6, the axial flow fan 6 starts to blow, the wind flows in the blower case 5, the noise passes through the sound absorbing plate 503, the sound absorbing plate 503 is in a fine hole shape, the noise can be dispersed and reduced, the noise is transmitted to the noise reducing plate 504 again through the sound absorbing plate 503, the noise reducing plate 504 bulges can block the noise source again for noise reduction, at this time, the noise flowing in the blower case 5 passes through the blower case 5 and is exhausted from the air outlet pipe 7, at this time, the fixed sheathed soundproof cotton 701 of the air outlet pipe 7 can perform noise reduction treatment again on the air outlet pipe 7, at this time, along with the operation of the blower, the motor 4 and the blower case 5 can continuously generate vibration, the blower box 5 transmits the vibration source to the first telescopic rod 201 and the second telescopic rod 301, under the action of the two first connecting blocks 204 and the first spring 202, the first telescopic rod 201 stretches and contracts in the first sleeve 2, under the action of the two second connecting blocks 304 and the second spring 302, the second telescopic rod 301 stretches and contracts in the second sleeve 3, the first connecting rod 203 and the second connecting rod 303 are pulled along with the stretching of the first telescopic rod 201 and the second telescopic rod 301, under the action of the first connecting blocks 204 and the second connecting blocks 304 and the connecting spring 205, the movement of the first connecting rod 203 and the second connecting rod 303 is restrained, further, the first telescopic rod 201 and the second telescopic rod 301 are restrained, at the moment, the vibration of the blower box 5 is controlled so as to absorb the vibration, and thus the vibration noise source is reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a air-blower with structure of making an uproar falls, includes air-blower base (1), motor (4) and air-blower machine case (5), its characterized in that: the top surface of the blower base (1) is fixedly connected with the bottoms of a first sleeve (2) and a second sleeve (3) respectively, one end of a first telescopic rod (201) is movably sleeved on the first sleeve (2), a first connecting block (204) is fixedly sleeved on the lower end of the first sleeve (2), a first connecting block (204) is fixedly sleeved on the upper end of the first telescopic rod (201), two ends of a first spring (202) are fixedly connected between the two first connecting blocks (204), one ends of two first connecting rods (203) are respectively hinged on the two first connecting blocks (204), one end of the first connecting block (204) is hinged on the other end of the two first connecting rods (203), and one end of a connecting spring (205) is fixedly connected on one side wall of the first connecting block (204);

the utility model discloses a fan, including first telescopic link (303), second telescopic link (301), second sleeve (3) activity has cup jointed the one end of second telescopic link (301), second telescopic link (3) lower extreme has fixedly cup jointed a second connecting block (304), second telescopic link (301) upper end has fixedly cup jointed a second connecting block (304), two rigid coupling has the both ends of second spring (302) between second connecting block (304), two second connecting block (304) articulate respectively has the one end of totally two second connecting rods (303), two the other end of second connecting rod (303) articulates the one end that has second connecting block (304), one side wall rigid coupling of second connecting block (304) has the one end of connecting spring (205), fan case (5) bottom rigid coupling has first telescopic link (201) and second telescopic link (301) top respectively.

2. A blower with noise reduction structure according to claim 1, characterized in that: one end of a wiring cavity (401) is fixedly connected to the top surface of the motor (4), and a top cover (402) is connected to the top of the wiring cavity (401) in a threaded mode.

3. A blower with noise reduction structure according to claim 2, characterized in that: one end of the motor (4) is fixedly connected with one end of the blower case (5), and an axial flow fan (6) is rotationally connected to a rotating shaft of the motor (4) in the blower case (5).

4. A blower with noise reduction structure according to claim 3, characterized in that: the inner wall of the blower case (5) is fixedly connected with a noise reduction plate (504), and the noise reduction plate (504) is fixedly connected with a sound absorption plate (503).

5. A blower with noise reduction structure according to claim 4, wherein: an air inlet (501) is formed in one side wall of the blower case (5), and a sound absorbing cover (502) is fixedly connected to the air inlet (501).

6. A blower with noise reduction structure according to claim 5, wherein: the air blower cabinet (5) is fixedly connected with an air outlet pipe (7), and the air outlet pipe (7) is fixedly sleeved with soundproof cotton (701).