CN217873366U

CN217873366U - Centrifugal fan with stable operation and good wear resistance

Info

Publication number: CN217873366U
Application number: CN202221887804.4U
Authority: CN
Inventors: 苏敦珩; 刘越峰; 刘永胜; 苏厚胜; 张亚平
Original assignee: Hainan Huazhixin Civil Air Defense Equipment Co ltd
Current assignee: Hainan Huazhixin Technology Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-11-22
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a centrifugal fan that wear resistance is good is stabilized in operation, including base and backup pad, equal fixed mounting all around at base top has the damping bumper shock absorber, the top of damping bumper shock absorber and the bottom fixed connection of backup pad. The utility model discloses a setting of damping bumper shock absorber, can play the effect of better shock attenuation buffering when the casing moves, damping component is located the front and the back of casing simultaneously, can play better spacing fixed effect to the casing through the fixed plate, it is stable to have guaranteed, and played better cushioning effect through buffer spring and buffer plate, the rocking that the casing produced has been reduced, it can produce a large amount of vibrations to have solved current centrifugal fan mostly when the operation simultaneously, and lead to stability relatively poor, and when the air-breathing, a large amount of dust impurity that contains in the air can lead to the problem of taking place wearing and tearing in the pipeline.

Description

Centrifugal fan with stable operation and good wear resistance

Technical Field

The utility model relates to a centrifugal fan technical field specifically is a centrifugal fan that wear resistance is good is stabilized in operation.

Background

When the fan works, airflow axially enters the blade space from the fan, and then rotates along with the impeller under the driving of the impeller; on the other hand, the energy is improved under the action of inertia, the centrifugal fan leaves the impeller along the radius direction, the fan which works by the generated centrifugal force is called a centrifugal fan, the centrifugal fan is auxiliary production equipment commonly used by stone processing enterprises, and the centrifugal fan is mainly used in ventilation and dust removal devices, such as a cyclone dust collector, a bag-type dust collector and the like in stone cutting and grinding processes need to utilize the centrifugal fan to remove dust on a production field, the cleanness of a production environment is ensured, the physical and mental health of producers is protected, but most of the existing centrifugal fans can generate a large amount of vibration in operation at present, the stability performance is poor, and when air is sucked, a large amount of dust impurities in the air can cause abrasion in a pipeline.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifugal fan that wear resistance is good is stabilized in operation possesses the good advantage of stability and wear resistance, has solved current centrifugal fan and can produce a large amount of vibrations when the operation mostly, and leads to the stability can be relatively poor, and when the suction air, a large amount of dust impurity that contain in the air can lead to the problem of taking place wearing and tearing in the pipeline.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a centrifugal fan that wear resistance is good is stabilized in operation, includes base and backup pad, equal fixed mounting all around at base top has the damping bumper shock absorber, the top of damping bumper shock absorber and the bottom fixed connection of backup pad, the top fixed mounting of base has the casing, the right side fixed mounting of casing has out the tuber pipe, the inner wall spraying in air-out pipe inner chamber has wear-resistant coating, the front at base top and the equal fixed mounting in the back have a damper, the outside fixed mounting of damper inner chamber has the stop collar, the inner chamber fixed mounting of stop collar has buffer spring, buffer spring's inboard fixed mounting has the riser, the inboard fixed mounting of riser has the connecting plate, the inboard fixed mounting of connecting plate has the fixed plate, the inboard fixed mounting of fixed plate has the buffer board, the inboard of buffer board laminates with the surface of casing each other.

Preferably, the left side fixed mounting of base has the support, equal fixed mounting all around of base bottom has the fixed leg.

Preferably, the left side fixed mounting at backup pad top has the motor, the back activity cover of motor is equipped with the belt.

Preferably, the front side of the casing is provided with an air inlet, and the back side of the inner cavity of the casing is rotatably provided with blades.

Preferably, the two sides of the vertical plate are fixedly provided with limit blocks, and the outer side of each limit block is movably clamped on the inner wall of the inner cavity of the damping component.

Preferably, the top and the bottom of the connecting plate are fixedly provided with limit strips, and the outer sides of the limit strips are movably clamped on the inner sides of the inner cavities of the damping assemblies.

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

1. the utility model discloses a setting of damping bumper shock absorber, can play the effect of better shock attenuation buffering when the casing moves, damping component is located the front and the back of casing simultaneously, can play better spacing fixed effect to the casing through the fixed plate, it is stable to have guaranteed, and played better cushioning effect through buffer spring and buffer plate, the rocking that the casing produced has been reduced, it can produce a large amount of vibrations to have solved current centrifugal fan mostly when the operation simultaneously, and lead to stability relatively poor, and when the air-breathing, a large amount of dust impurity that contains in the air can lead to the problem of taking place wearing and tearing in the pipeline.

2. The utility model discloses a stopper and spacing setting can play spacing effect when buffer spring rocks, and the range control that rocks buffer spring is at certain within range.

Drawings

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

FIG. 2 is a top sectional view of the shock absorbing assembly of the present invention;

fig. 3 is a right side view of the air outlet pipe structure of the present invention.

In the figure: 1. a base; 2. a damping shock absorber; 3. a support; 4. a support plate; 5. a motor; 6. a belt; 7. a housing; 8. a blade; 9. an air inlet; 10. an air outlet pipe; 11. a shock absorbing assembly; 12. a fixed leg; 13. a limiting sleeve; 14. a buffer spring; 15. a vertical plate; 16. a limiting block; 17. a limiting strip; 18. a connecting plate; 19. a fixing plate; 20. a buffer plate; 21. and (3) wear-resistant coating.

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 centrifugal fan with stable operation and good wear resistance comprises a base 1 and a supporting plate 4, wherein damping dampers 2 are fixedly mounted around the top of the base 1, the top of the damping dampers 2 is fixedly connected with the bottom of the supporting plate 4, a casing 7 is fixedly mounted on the top of the base 1, an air outlet pipe 10 is fixedly mounted on the right side of the casing 7, a wear-resistant coating 21 is sprayed on the inner wall of the inner cavity of the air outlet pipe 10, damping assemblies 11 are fixedly mounted on the front and back of the top of the base 1, a limiting sleeve 13 is fixedly mounted on the outer side of the inner cavity of the damping assemblies 11, a buffer spring 14 is fixedly mounted in the inner cavity of the limiting sleeve 13, a vertical plate 15 is fixedly mounted on the inner side of the buffer spring 14, a connecting plate 18 is fixedly mounted on the inner side of the vertical plate 15, a fixing plate 19 is fixedly mounted on the inner side of the connecting plate 18, and a buffer plate 20 is fixedly mounted on the inner side of the fixing plate 19, the inner side of the buffer plate 20 is mutually attached to the outer surface of the casing 7, the support 3 is fixedly arranged on the left side of the base 1, the fixing legs 12 are fixedly arranged on the periphery of the bottom of the base 1, the motor 5 is fixedly arranged on the left side of the top of the supporting plate 4, the belt 6 is movably sleeved on the back of the motor 5, the air inlet 9 is formed in the front of the casing 7, the blades 8 are rotatably arranged on the back of the inner cavity of the casing 7, the limiting blocks 16 are fixedly arranged on the two sides of the vertical plate 15, the outer side of each limiting block 16 is movably clamped on the inner wall of the inner cavity of the damping component 11, the limiting strips 17 are fixedly arranged on the top and the bottom of the connecting plate 18, the outer side of each limiting strip 17 is movably clamped on the inner side of the inner cavity of the damping component 11, and when the buffer spring 14 shakes, the buffer spring 14 plays a limiting role and controls the shaking range of the buffer spring 14 within a certain range through the arrangement of the limiting blocks 16 and the limiting strips 17, through damping shock absorber 2's setting, can play the effect of better shock attenuation buffering when casing 7 moves, damper 11 is located the front and the back of casing 7 simultaneously, can play better spacing fixed effect to casing 7 through fixed plate 19, it is stable to have guaranteed it, and played better cushioning effect through buffer spring 14 and buffer board 20, the rocking that casing 7 produced has been reduced, it can produce a large amount of vibrations to have solved current centrifugal fan when the operation mostly simultaneously, and lead to the stability can be relatively poor, and when the suction air, a large amount of dust impurity that contains in the air can lead to the problem of taking place wearing and tearing in the pipeline.

During the use, damping shock absorber 2 can play the effect of better shock attenuation buffering when casing 7 moves, damper 11 is located the front and the back of casing 7 simultaneously, can play better spacing fixed effect to casing 7 through fixed plate 19, it is stable to have guaranteed it, and played better cushioning effect through buffer spring 14 and buffer plate 20, the rocking that casing 7 produced has been reduced, stopper 16 and spacing 17's setting, can rock when buffer spring 14, spacing effect has been played, the range control that buffer spring 14 rocked is at certain within range.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. The utility model provides a centrifugal fan that wear resistance is good is stabilized in operation, includes base (1) and backup pad (4), its characterized in that: all fixed mounting all around at base (1) top has damping shock absorber (2), the top of damping shock absorber (2) and the bottom fixed connection of backup pad (4), the top fixed mounting of base (1) has casing (7), the right side fixed mounting of casing (7) has air-out pipe (10), the inner wall spraying of air-out pipe (10) inner chamber has wear-resistant coating (21), the front and the equal fixed mounting in the back at base (1) top have shock attenuation subassembly (11), the outside fixed mounting of shock attenuation subassembly (11) inner chamber has stop collar (13), the inner chamber fixed mounting of stop collar (13) has buffer spring (14), the inboard fixed mounting of buffer spring (14) has riser (15), the inboard fixed mounting of riser (15) has connecting plate (18), the inboard fixed mounting of connecting plate (18) has fixed plate (19), the inboard fixed mounting of fixed plate (19) has buffer board (20), the inboard of buffer board (20) is laminated with the surface of casing (7) each other.

2. The centrifugal fan of claim 1, which is stable in operation and good in wear resistance, is characterized in that: the left side fixed mounting of base (1) has support (3), equal fixed mounting all around of base (1) bottom has fixed leg (12).

3. The centrifugal fan of claim 1, which is stable in operation and good in wear resistance, is characterized in that: the left side fixed mounting at backup pad (4) top has motor (5), the back activity cover of motor (5) is equipped with belt (6).

4. The centrifugal fan of claim 1, which is stable in operation and good in wear resistance, is characterized in that: an air inlet (9) is formed in the front face of the shell (7), and blades (8) are rotatably mounted on the back face of the inner cavity of the shell (7).

5. The centrifugal fan of claim 1, which is stable in operation and good in wear resistance, is characterized in that: the equal fixed mounting in both sides of riser (15) has stopper (16), the inner wall at damper (11) inner chamber is established to the outside activity card of stopper (16).

6. The centrifugal fan of claim 1, which is stable in operation and good in wear resistance, is characterized in that: the top and the bottom of the connecting plate (18) are fixedly provided with limiting strips (17), and the outer sides of the limiting strips (17) are movably clamped on the inner sides of the inner cavities of the shock absorption components (11).