CN218030720U

CN218030720U - Shock-proof type multi-wing centrifugal fan

Info

Publication number: CN218030720U
Application number: CN202222133095.7U
Authority: CN
Inventors: 吴大荣; 吴华林; 甘静宁; 李栋南
Original assignee: Foshan Tianji Equipment Co ltd
Current assignee: Foshan Tianji Equipment Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-12-13
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a shock-proof type multi-wing centrifugal fan relates to centrifugal fan technical field, including multi-wing centrifugal fan supporting platform, four insert rods of below fixedly connected with of multi-wing centrifugal fan supporting platform, the below of every insert rod all is equipped with second buffer gear, and the below of multi-wing centrifugal fan supporting platform is equipped with first buffer gear. It can use the first buffer gear that sets up, insert pole and second buffer gear can cushion the vibrations of multi-wing centrifugal fan supporting bench, can reduce vibrations striking ground and produce huge noise, the sound pollution has been reduced to a great extent, through two first springs that set up, can reset the groove of crossing traverse when the groove of crossing traverse slides, the efficiency of buffering to the device has been improved, through the second spring that sets up, can reset the insert pole, the buffering efficiency of device has further been improved, the effect of carrying out multiple buffering to the device has been realized, thereby the sound pollution has been reduced.

Description

Shock-proof type multi-wing centrifugal fan

Technical Field

The utility model relates to a centrifugal fan technical field specifically is a many wings of shock-proof type centrifugal fan.

Background

The multi-wing centrifugal fan is a driven fluid machine, which can accelerate the gas by the impeller rotating at high speed, then decelerate and change the flow direction, so as to convert the kinetic energy into potential energy (pressure).

At present, in order to pursue higher efficiency when a common multi-wing centrifugal fan works, the rotating speed of a motor is higher, and the speed for driving internal fan blades to rotate is higher, but the vibration frequency of the fan is increased, and high-speed vibration ground can generate huge noise, and the noise is much larger than the noise generated by the motor and the fan when the fan is actually used, so that sound pollution is caused, and the vibration reduction of the fan is necessary; therefore, the damping type multi-wing centrifugal fan is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a damping type multi-wing centrifugal fan in order to compensate the not enough of prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shock-proof type multi-wing centrifugal fan, includes multi-wing centrifugal fan supporting platform, the below fixedly connected with of multi-wing centrifugal fan supporting platform four insert the pole, every below of inserting the pole all is equipped with second buffer gear, the below of multi-wing centrifugal fan supporting platform is equipped with first buffer gear.

Furthermore, first buffer gear includes two bearing grooves and two first dampers, second buffer gear's below is equipped with bottom rubber slab, the inside of bottom rubber slab is opened there is the buffering fluting.

Furthermore, the lower parts of the two pressure bearing grooves are provided with rotating rods, the pressure bearing grooves are hinged to the rotating rods, the lower parts of the two rotating rods are provided with transverse grooves, and the rotating rods are hinged to the transverse grooves.

Furthermore, the inner side wall of the buffer slot is fixedly connected with a sliding friction rod, the two traverse slots are both in sliding connection with the outer surface of the sliding friction rod, one side face, far away from each other, of the two traverse slots is fixedly connected with a first damper, and the first damper is in sliding connection with the sliding friction rod.

Furthermore, a first spring is wound on the outer surface of the sliding friction rod, and the left end and the right end of the first spring are fixedly connected with one side surface, away from each other, of the two first dampers and the inner wall of the buffer groove respectively.

Furthermore, four second buffer gear all includes the second attenuator, four the equal sliding connection of surface of second attenuator has the buffering bucket, the bottom surface of buffering bucket is connected with the last fixed surface of bottom rubber slab, the bottom surface fixedly connected with second spring of second attenuator, the bottom of second spring and the interior diapire fixed connection of buffering bucket.

Furthermore, the upper surface of the supporting platform of the multi-wing centrifugal fan is fixedly connected with a fan bin and a motor, the output end of the motor is fixedly connected with a transmission rotating rod, and the transmission rotating rod penetrates through the outer surface of the fan bin and extends into the fan bin.

Furthermore, the outer surface of the transmission rotating rod is rotatably connected with the fan bin, the inner wall of the fan bin is rotatably connected with the multi-wing centrifugal fan, and the left end of the transmission rotating rod is fixedly connected with the multi-wing centrifugal fan.

Compared with the prior art, this many wings of shock-proof type centrifugal fan possesses following beneficial effect:

1. the utility model discloses an use first buffer gear, the inserted bar and the second buffer gear that set up to cushion the vibrations of multi-wing centrifugal fan supporting station, can reduce vibrations striking ground and produce huge noise, the sound pollution that has reduced to a great extent.

2. The utility model discloses a two first springs that set up can reset the traverse groove when the traverse groove slides, have improved the buffer efficiency to the device, through the second spring that sets up, can reset the inserted bar, have further improved the buffer efficiency of device, have realized carrying out the effect of multiple buffering to the device to sound pollution has been reduced.

Drawings

Fig. 1 is a schematic view of a three-dimensional front view structure of the present invention;

fig. 2 is a schematic perspective view of the first buffer mechanism of the present invention;

fig. 3 is a schematic perspective view of the insertion rod and the second buffer mechanism of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the fan housing, the multi-wing centrifugal fan, the transmission rotating rod and the motor of the present invention.

In the figure: 1. a multi-wing centrifugal fan support table; 2. a bottom rubber plate; 3. buffering slotting; 4. a first buffer mechanism; 401. a pressure-bearing groove; 402. a rotating rod; 403. a traverse groove; 404. a sliding friction lever; 405. a first damper; 406. a first spring; 5. an insertion rod; 6. a second buffer mechanism; 601. a second damper; 602. a second spring; 603. a buffer barrel; 7. a fan bin; 8. a multi-wing centrifugal fan; 9. a transmission rotating rod; 10. an electric motor.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

The embodiment provides a shock-proof type multi-wing centrifugal fan, and the device is used for buffering the vibrations of its production at multi-wing centrifugal fan during operation, can cushion the vibrations that multi-wing centrifugal fan supported platform 1 to produce through using first buffer gear 4, inserted bar 5 and the second buffer gear 6 that set up, can reduce vibrations and strike ground and produce huge noise, the great reduction sound pollution that has of degree.

Referring to fig. 1 to 4, a shock-absorbing type multi-wing centrifugal fan comprises a multi-wing centrifugal fan supporting platform 1, four insertion rods 5 are fixedly connected to the lower portion of the multi-wing centrifugal fan supporting platform 1, a second buffer mechanism 6 is arranged below each insertion rod 5, a first buffer mechanism 4 is arranged below the multi-wing centrifugal fan supporting platform 1, each first buffer mechanism 4 comprises two bearing grooves 401 and two first dampers 405, a bottom rubber plate 2 is arranged below each second buffer mechanism 6, and a buffer slot 3 is formed in the bottom rubber plate 2.

The plurality of inserting rods 5 are arranged, so that not only can the multi-wing centrifugal fan supporting platform 1 be stably supported, but also the multi-buffering effect on the vibration of the multi-wing centrifugal fan supporting platform 1 can be achieved.

The rotating rods 402 are arranged below the two pressure bearing grooves 401, the pressure bearing grooves 401 are hinged with the rotating rods 402, the transverse grooves 403 are arranged below the two rotating rods 402, and the rotating rods 402 are hinged with the transverse grooves 403.

When the pressure-bearing groove 401 vibrates downward, the rotating rod 402 can be driven to move, and the traverse groove 403 can be driven to move left and right.

The inner side wall of the buffer slot 3 is fixedly connected with a sliding friction rod 404, the two traverse slots 403 are both connected with the outer surface of the sliding friction rod 404 in a sliding manner, one side surface of each traverse slot 403 which is far away from each other is fixedly connected with a first damper 405, and the first damper 405 is connected with the sliding friction rod 404 in a sliding manner.

The outer surface of the sliding friction bar 404 has a large friction force with the traverse groove 403 and the first damper 405, and the first damper 405 is a small-sized first damper 405 commonly available on the market.

The outer surface of the sliding friction rod 404 is wound with a first spring 406, and the left and right ends of the first spring 406 are respectively fixedly connected with one side surface of the two first dampers 405 which are far away from each other and the inner wall of the buffer slot 3.

The sliding friction bar 404 is in a relaxed state in a natural state, and the elastic coefficient of the sliding friction bar 404 should be large, so that the first damper 405 can be prevented from sliding freely due to easy deformation.

The four second buffer mechanisms 6 all include the second damper 601, the outer surfaces of the four second dampers 601 are all connected with the buffer barrel 603 in a sliding manner, the bottom surface of the buffer barrel 603 is fixedly connected with the upper surface of the bottom rubber plate 2, the bottom surface of the second damper 601 is fixedly connected with the second spring 602, and the bottom end of the second spring 602 is fixedly connected with the inner bottom wall of the buffer barrel 603.

The second damper 601 and the first damper 405 are provided to have the same function, and the outer surfaces of the second damper 601 and the insert rod 5 have a large frictional force against the inner wall of the buffer tank 603.

The upper surface fixed connection of multi-wing centrifugal fan supporting platform 1 has fan storehouse 7 and motor 10, and the output fixedly connected with transmission bull stick 9 of motor 10, transmission bull stick 9 run through the surface of fan storehouse 7 and extend to the inside of fan storehouse 7, and the surface and the fan storehouse 7 of transmission bull stick 9 rotate to be connected, and the inner wall of fan storehouse 7 rotates and is connected with multi-wing centrifugal fan 8, the left end and the 8 fixed connection of multi-wing centrifugal fan of transmission bull stick 9.

By starting the motor 10, the transmission rotating rod 9 can be driven to rotate, so that the multi-wing centrifugal fan 8 can be driven to rotate, and the device can work.

The working principle is as follows: firstly, the starting motor 10 can drive the transmission rotating rod 9 to rotate, so that the multi-wing centrifugal fan 8 can start to work, the multi-wing centrifugal fan 8 drives the fan bin 7 to generate strong vibration when working, the vibration can be transmitted to the two pressure bearing grooves 401 through the multi-wing centrifugal fan supporting platform 1, the pressure bearing grooves 401 start to move, so that the rotating rod 402 can be driven to move, the transverse groove 403 can slide on the outer surface of the sliding friction rod 404, the force transmitted by the vibration can be buffered under the action of the first damper 405, and the transverse groove 403 and the first damper 405 can be reset under the action of the first spring 406. The power of 1 vibrations of multi-wing centrifugal fan supporting platform still can drive the inserted bar 5 and remove, just can drive second attenuator 601 downstream, can further cushion this power under the effect of second attenuator 601, through the second spring 602 that sets up, can reset second attenuator 601, has reduced fan storehouse 7 and has produced vibrations and the noise that the jarring ground produced, has reduced sound pollution.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a many wings of shock-proof type centrifugal fan, includes many wings centrifugal fan supporting station (1), its characterized in that: the lower part of the multi-wing centrifugal fan supporting platform (1) is fixedly connected with four insertion rods (5), a second buffer mechanism (6) is arranged below each insertion rod (5), and a first buffer mechanism (4) is arranged below the multi-wing centrifugal fan supporting platform (1).

2. The damping type multi-blade centrifugal fan according to claim 1, wherein: first buffer gear (4) include two pressure-bearing grooves (401) and two first dampers (405), the below of second buffer gear (6) is equipped with bottom rubber slab (2), the inside of bottom rubber slab (2) is opened there is buffering fluting (3).

3. The damping type multi-blade centrifugal fan according to claim 2, wherein: rotating rods (402) are arranged below the two pressure bearing grooves (401), the pressure bearing grooves (401) are hinged to the rotating rods (402), transverse grooves (403) are arranged below the two rotating rods (402), and the rotating rods (402) are hinged to the transverse grooves (403).

4. The damping type multi-blade centrifugal fan according to claim 3, wherein: the inner side wall of the buffer slot (3) is fixedly connected with a sliding friction rod (404), the two traverse slots (403) are both in sliding connection with the outer surface of the sliding friction rod (404), one side face, away from each other, of each traverse slot (403) is fixedly connected with a first damper (405), and the first dampers (405) are in sliding connection with the sliding friction rod (404).

5. The damping type multi-blade centrifugal fan according to claim 4, wherein: the outer surface of the sliding friction rod (404) is wound with a first spring (406), and the left end and the right end of the first spring (406) are respectively fixedly connected with one side surface of the two first dampers (405) which are far away from each other and the inner wall of the buffer slot (3).

6. The damping type multi-blade centrifugal fan according to claim 2, wherein: four second buffer gear (6) all include second attenuator (601), four the equal sliding connection of surface of second attenuator (601) has buffer bucket (603), the bottom surface of buffer bucket (603) is connected with the last fixed surface of bottom rubber slab (2), the bottom surface fixedly connected with second spring (602) of second attenuator (601), the bottom of second spring (602) and the interior diapire fixed connection of buffer bucket (603).

7. The damping type multi-blade centrifugal fan according to claim 1, wherein: the upper surface fixed connection of multi-wing centrifugal fan supporting platform (1) has fan storehouse (7) and motor (10), the output fixedly connected with transmission bull stick (9) of motor (10), transmission bull stick (9) run through the surface in fan storehouse (7) and extend to the inside in fan storehouse (7).

8. The vibration-damping type multi-blade centrifugal fan according to claim 7, wherein: the outer surface of the transmission rotating rod (9) is rotatably connected with the fan bin (7), the inner wall of the fan bin (7) is rotatably connected with the multi-wing centrifugal fan (8), and the left end of the transmission rotating rod (9) is fixedly connected with the multi-wing centrifugal fan (8).