CN220646224U

CN220646224U - Centrifugal exhaust fan

Info

Publication number: CN220646224U
Application number: CN202322077830.1U
Authority: CN
Inventors: 李凡; 施伟丽
Original assignee: Jiangsu Beit Intelligent Equipment Co ltd
Current assignee: Jiangsu Beit Intelligent Equipment Co ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-03-22
Anticipated expiration: 2033-08-03

Abstract

The utility model relates to the technical field of clamps, in particular to a centrifugal exhaust fan which comprises a base, wherein a damping spring shock absorber is arranged on the base, a mounting seat is arranged on the damping spring shock absorber, shock pads are arranged at the top end of the mounting seat and the bottom end of the base, a buffer pad is arranged on the shock pads, a first shell is arranged on the buffer pad, a fan body is arranged in the first shell, a second shell is rotationally connected to the first shell, sound absorption layers are arranged at the bottom end of the first shell and the top end of the second shell, and a fixing mechanism is arranged on the side surface of the first shell. The fan body is provided with the fixing mechanism, so that the purpose of conveniently opening the second shell is achieved, and the fan body is convenient to overhaul.

Description

Centrifugal exhaust fan

Technical Field

The utility model relates to the technical field of centrifugal exhaust fans, in particular to a centrifugal exhaust fan.

Background

Centrifugal exhaust fans are a common industrial fan, and the working principle of the centrifugal exhaust fans is to utilize centrifugal force to exhaust gas. Centrifugal exhaust fans are typically composed of a motor, an impeller, and a housing.

The motor provides power to drive the impeller to rotate. The impeller is typically composed of a plurality of curved blades, and when the motor rotates, centrifugal force sucks gas into the center of the impeller, and then accelerates and discharges the gas by rotation of the blades. The housing is used to secure the impeller and direct the flow of gas. It generally has an inlet for the intake of gas and an outlet for the discharge of gas. The housing may also be provided with tubing to connect other devices to effect the transfer of gas.

Centrifugal exhaust fans are widely used in industrial fields such as ventilation, air conditioning, dust removal, dehydration, and the like. The device has the characteristics of small volume, low noise, high air pressure and large air quantity, and can effectively treat a large amount of gas. Meanwhile, the centrifugal exhaust fan can be designed and manufactured according to requirements to meet the use requirements under different process conditions, but when the conventional centrifugal exhaust fan is used, the shell is inconvenient to open, so that the maintenance is inconvenient, and when the centrifugal exhaust fan is used, vibration and noise are large, so that the service life is seriously influenced, and therefore, the centrifugal exhaust fan is provided.

Disclosure of Invention

The utility model aims to provide a centrifugal exhaust fan, which aims to solve the problems of large vibration and noise and inconvenient maintenance of the centrifugal exhaust fan.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a centrifugal exhaust fan, includes the base, be equipped with damping spring bumper shock absorber on the base, be equipped with the mount pad on the damping spring bumper shock absorber, the top of mount pad all is equipped with the shock pad with the bottom of base, be equipped with the blotter on the shock pad, be equipped with first casing on the blotter, be equipped with the fan body in the first casing, it is connected with the second casing to rotate on the first casing, the bottom of first casing and the top of second casing all are equipped with the sound absorbing layer, the side of first casing is equipped with fixed establishment.

Preferably, the shock pad is made of elastic rubber.

Preferably, the cushion pad is made of polyurethane.

Preferably, the sound absorbing layer is made of a sound fiber board.

Preferably, the fixing mechanism includes a bracket fixedly mounted to a side surface of the first housing.

Preferably, a spring is arranged on the side face of the support, a bolt is arranged at one end of the spring, and one end of the bolt penetrates through the support.

Preferably, a plug bush is arranged on the side face of the second shell.

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

1. the damping pad is made of elastic rubber, the elastic rubber has good elasticity and wear resistance, impact and vibration can be effectively absorbed and relieved, the damping pad is beneficial to the use of the centrifugal exhaust fan when the centrifugal exhaust fan works, the damping pad is made of polyurethane, the polyurethane has excellent elasticity and wear resistance, impact energy can be absorbed, the damping pad is beneficial to the use of the centrifugal exhaust fan when the centrifugal exhaust fan works, the sound absorbing layer is made of a sound fiber plate, and the sound fiber plate is a plate made of wood fibers and other natural fibers and has good acoustic performance. The centrifugal exhaust fan can absorb and isolate sound, reduce noise and echo, play the purpose of absorbing noise when the centrifugal exhaust fan works, and reduce noise pollution.

2. The fan body is provided with the fixing mechanism, so that the purpose of conveniently opening the second shell is achieved, and the fan body is convenient to overhaul.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A;

FIG. 3 is a schematic view of a sleeve according to the present utility model.

In the figure: 1. a base; 21. a spring; 22. a bracket; 23. a plug pin; 24. a plug bush; 3. damping spring shock absorber; 4. a mounting base; 5. a cushion pad; 6. a shock pad; 7. a first housing; 8. a second housing; 9. a sound absorbing layer; 10. a fan body.

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

Please refer to fig. 1, fig. 2 and fig. 3, a centrifugal exhaust fan in the illustration, including base 1, be equipped with damping spring bumper shock absorber 3 on the base 1, through being provided with damping spring bumper shock absorber 3, at centrifugal exhaust fan during operation, play damping absorbing purpose, do benefit to centrifugal exhaust fan's use, be equipped with mount pad 4 on damping spring bumper shock absorber 3, the top of mount pad 4 and the bottom of base 1 all are equipped with shock pad 6, through being provided with shock pad 6, at centrifugal exhaust fan during operation, play damping absorbing purpose, do benefit to centrifugal exhaust fan's use, be equipped with blotter 5 on the shock pad 6, through being provided with blotter 5, at centrifugal exhaust fan during operation, play damping absorbing purpose, do benefit to centrifugal exhaust fan's use, be equipped with first casing 7 on the blotter 5, be equipped with fan body 10 in the first casing 7, rotate on the first casing 7 and be connected with second casing 8, the bottom of first casing 7 and the top of second casing 8 all are equipped with sound absorbing layer 9 through being provided with, at centrifugal exhaust fan during operation, reduce noise pollution's purpose, first casing 7 is equipped with the fixed establishment of a body through being provided with, the body is opened to be convenient for the body to take maintenance, the purpose is opened through setting up to the fixed body 10.

The damping pad 6 is made of elastic rubber, the elastic rubber has good elasticity and wear resistance, impact and vibration can be effectively absorbed and reduced, the damping pad 6 is arranged, the purpose of damping and vibration reduction is achieved when the centrifugal exhaust fan works, the centrifugal exhaust fan is used, the buffer pad 5 is made of polyurethane, the polyurethane has excellent elasticity and wear resistance, impact energy can be absorbed, the buffer pad 5 is arranged, the purpose of damping and vibration reduction is achieved when the centrifugal exhaust fan works, the centrifugal exhaust fan is used, the sound absorbing layer 9 is made of a sound fiber plate, and the sound fiber plate is made of wood fibers and other natural fibers and has good acoustic performance. The sound absorbing and isolating device can absorb and isolate sound, reduce noise and echo, and can absorb noise when the centrifugal exhaust fan works by being provided with the sound absorbing layer 9, so that the noise pollution is reduced.

Meanwhile, the fixing mechanism comprises a support 22, the support 22 is fixedly arranged on the side face of the first shell 7, the cross section of the support 22 is L-shaped, a spring 21 is arranged on the side face of the support 22, a bolt 23 is arranged at one end of the spring 21, the bolt 23 is conveniently inserted into a plug bush 24, one end of the bolt 23 penetrates through the support 22, and the plug bush 24 is arranged on the side face of the second shell 8.

When the centrifugal exhaust fan is used: through being provided with shock pad 6, shock pad 6 adopts elastic rubber to make, spring rubber has good elasticity and wearability, can effectively absorb and alleviate impact and vibrations, at centrifugal exhaust fan during operation, play damping shock attenuation's purpose, do benefit to centrifugal exhaust fan's use, through being provided with blotter 5, blotter 5 adopts polyurethane to make, polyurethane has excellent elasticity and wearability, can absorb impact energy, at centrifugal exhaust fan during operation, play damping shock attenuation's purpose, do benefit to centrifugal exhaust fan's use, through being provided with sound absorbing layer 9, sound absorbing layer 9 adopts the sound fiber board to make, the sound fiber board is a panel of being made by wood fiber and other natural fibers, have good acoustic properties. The centrifugal exhaust fan can absorb and isolate sound, reduce noise and echo, play the purpose of absorbing noise when the centrifugal exhaust fan works, and reduce noise pollution.

When the fan body 10 needs to be overhauled, the plug pin 23 is pulled, one end of the plug pin 23 is pulled away from the plug bush 23, and the second shell 8 can be opened, so that the fan body 10 is convenient to overhaul.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 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. A centrifugal exhaust fan, comprising:

base (1), be equipped with damping spring bumper shock absorber (3) on base (1), be equipped with mount pad (4) on damping spring bumper shock absorber (3), the top of mount pad (4) all is equipped with shock pad (6) with the bottom of base (1), be equipped with blotter (5) on shock pad (6), be equipped with first casing (7) on blotter (5), be equipped with fan body (10) in first casing (7), it is connected with second casing (8) to rotate on first casing (7), the bottom of first casing (7) all is equipped with sound absorbing layer (9) with the top of second casing (8), the side of first casing (7) is equipped with fixed establishment.

2. A centrifugal exhaust fan according to claim 1, wherein: the shock pad (6) is made of elastic rubber.

3. A centrifugal exhaust fan according to claim 1, wherein: the cushion pad (5) is made of polyurethane.

4. A centrifugal exhaust fan according to claim 1, wherein: the sound absorption layer (9) is made of a sound fiber board.

5. A centrifugal exhaust fan according to claim 1, wherein: the fixing mechanism comprises a bracket (22), and the bracket (22) is fixedly arranged on the side surface of the first shell (7).

6. The centrifugal exhaust fan according to claim 5, wherein: the side of support (22) is equipped with spring (21), the one end of spring (21) is equipped with bolt (23), the one end of bolt (23) runs through support (22).

7. A centrifugal exhaust fan according to claim 1, wherein: the side of the second shell (8) is provided with a plug bush (24).