CN219795691U - Large-air-volume axial-flow smoke exhaust fan - Google Patents

Abstract

The utility model discloses a large-air-volume axial-flow smoke exhaust fan, which relates to the technical field of smoke exhaust fans and comprises a fan body, wherein a connecting block is fixedly arranged at the bottom of the fan body, a sleeve is fixedly arranged at the bottom of the connecting block, a damping block is slidably connected to the inner wall of the sleeve, a supporting rod is fixedly arranged at the bottom of the damping block, a spring is movably sleeved on the outer wall of the sleeve, a supporting plate is fixedly arranged at the bottom of the supporting rod, a first fixing block is fixedly arranged at the bottom of the connecting block, a first magnet is fixedly arranged at the bottom of the first fixing block, a second fixing block is fixedly arranged at the top of the supporting plate, and a second magnet is fixedly arranged at the inner wall of the second fixing block. The utility model is beneficial to damping the fan body in the running process of the fan body, thereby reducing the noise generated by the fan body and prolonging the service life of parts of the fan body.

Description

Large-air-volume axial-flow smoke exhaust fan

Technical Field

The utility model relates to the technical field of smoke exhaust fans, in particular to a large-air-volume axial flow smoke exhaust fan.

Background

The axial flow fan is a fan which is parallel to the direction of the same air flow as the axis of the fan blade, is different from a common fan, and the motor and the fan blade are arranged in a cylinder, the appearance is a cylinder, and the axial flow fan is used for local ventilation, is convenient to install, has obvious ventilation effect and is safe, and the fan can be connected with the fan cylinder to send the air to a designated area.

The utility model provides a large amount of wind axial-flow type exhaust fan can refer to the chinese patent of grant bulletin number CN215805276U, wherein discloses a large amount of wind axial-flow type exhaust fan, including fan casing and the mount of storing the motor, the left and right sides of fan casing all is provided with the protection screen panel, the inside of mount is provided with driving motor, driving motor's output runs through the mount and is provided with fixed section of thick bamboo, the guide way has been seted up on the fixed section of thick bamboo, the holding tank has been seted up on the guide way, the inside of holding tank sets up the locating component that has the elasticity function.

However, the device discovers in the in-process of in-service use, although the device can dismantle and wash the flabellum group, the device is at the in-process of operation, and high-power motor drive flabellum rotates, can lead to the fan body to produce violent vibrations, and then produces very big noise, not only causes the influence to staff on every side, still leads to the spare part of fan itself to produce the harm easily.

Disclosure of Invention

The utility model aims to solve or at least alleviate the problems that in the prior art, the fan body generates severe vibration when a fan blade is driven by a high-power motor to rotate, so that extremely high noise is generated, the influence on surrounding staff is caused, and the damage to parts of the fan is easy to occur.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a big amount of wind axial fan that discharges fume, includes the fan body, the fixed connecting block that is equipped with in bottom of fan body, the fixed sleeve pipe that is equipped with in bottom of connecting block, sheathed tube inner wall sliding connection has the damping piece, the fixed bracing piece that is equipped with in bottom of damping piece, sheathed tube outer wall activity has cup jointed the spring, the top of spring and the bottom butt of connecting block, and the bottom butt of spring and the top butt of backup pad, the fixed backup pad that is equipped with in bottom of bracing piece, the fixed first fixed block that is equipped with in bottom of connecting block, the fixed first magnetite that is equipped with in bottom of first fixed block, the fixed second fixed block that is equipped with in top of backup pad, the fixed second magnetite that is equipped with in inner wall of second fixed block.

Optionally, the N pole of the first magnet is downward, and the N pole of the second magnet is upward.

Through adopting above technical scheme, be favorable to in the in-process that first magnetite and second magnetite constantly are close to, its repulsion also constantly increases, and then reaches the absorbing effect.

Optionally, the bottom of backup pad is fixed to be equipped with the slipmat, the anti-skidding line has been seted up to the bottom of slipmat.

Through adopting above technical scheme, be favorable to improving the stability when fan body operates, also play partial shock attenuation effect simultaneously.

Optionally, the draw-in groove has all been seted up at the both ends of fan body, the inner wall joint of draw-in groove has the fixture block, the one end fixed mounting that the fixture block kept away from the draw-in groove has the grid.

Through adopting above technical scheme, be favorable to conveniently dismantling the grid to conveniently clear up the flabellum of grid and fan body inside.

Optionally, square grooves are formed in the outer walls of the grids, and round rods are fixedly assembled on the inner walls of the square grooves.

Through adopting above technical scheme, be favorable to making things convenient for the staff to dismantle the grid through holding the pole, improved the convenience of dismantling the grid.

Optionally, the outer wall of fan body has seted up and has accomodate the groove, the inner wall in accomodate the groove rotates and is connected with the pull ring.

Through adopting above technical scheme, be favorable to the staff to carry out the removal on the device position through the pull ring.

Optionally, the quantity of sleeve pipe and spring is four, and four sleeve pipe and spring evenly distributed are in the four corners of connecting block bottom.

Through adopting above technical scheme, be favorable to guaranteeing the shock attenuation effect of device to improve its noise reduction effect.

In summary, the beneficial effects of the utility model are as follows:

according to the utility model, through the cooperation arrangement among the structures such as the fan body, the connecting block, the sleeve, the damping block, the supporting rod, the spring, the supporting plate, the first fixing block, the first magnet, the second fixing block, the second magnet and the like, the fan body is damped in the running process of the fan body, so that the noise generated by the fan body is reduced, and the service life of parts of the fan body is prolonged.

Drawings

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

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is a schematic view of the cross-sectional structure of the sleeve of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

Reference numerals illustrate: 1. a fan body; 2. a connecting block; 3. a sleeve; 4. a damping block; 5. a support rod; 6. a spring; 7. a support plate; 8. a first fixed block; 9. a first magnet; 10. a second fixed block; 11. a second magnet; 12. an anti-slip pad; 13. anti-skid lines; 14. a clamping groove; 15. a clamping block; 16. a grille; 17. a square groove; 18. a round bar; 19. a storage groove; 20. and (5) a pull ring.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

Referring to fig. 1-3, a large air volume axial-flow type smoke exhaust fan, including fan body 1, fan body 1's bottom is fixed to be equipped with and is used for adapter sleeve 3 and fan body 1's connecting block 2, the fixed sleeve 3 that is equipped with in bottom of connecting block 2, sleeve 3's inner wall sliding connection has damping block 4 that is used for increasing frictional force, damping block 4's bottom is fixed to be equipped with bracing piece 5, sleeve 3's outer wall activity has cup jointed supplementary shock attenuation's spring 6, bracing piece 5's bottom is fixed to be equipped with backup pad 7, spring 6's top and connecting block 2's bottom butt, and spring 6's bottom and backup pad 7's top butt, connecting block 2's bottom is fixed to be equipped with first fixed block 8, first fixed block 8's bottom is fixed to be equipped with first magnetite 9, backup pad 7's top is fixed to be equipped with second fixed block 10, second fixed block 10's inner wall is fixed to be equipped with second magnetite 11 first magnetite 9's N utmost point down, second magnetite 11's N utmost point is upwards, limit through orientation to first magnetite 9 and second magnetite 11, be favorable to first 9 and second magnetic pole orientation, be equipped with backup pad's bottom 13 is also being close to the bottom of the cushion 12, and the anti-slip pad 13 is equipped with the anti-slip pad 13 when the anti-slip effect is not close to the top is reached, and anti-slip pad 13 is set up, and anti-slip effect is improved, and anti-slip effect is 13, and is set up, and is improved.

Referring to fig. 2 and 3, the clamping grooves 14 are formed in two ends of the fan body 1, the clamping blocks 15 are clamped on the inner walls of the clamping grooves 14, the grille 16 is fixedly assembled at one end, away from the clamping grooves 14, of the clamping blocks 15, and the grille 16 is conveniently detached by the aid of the clamping grooves 14 and the clamping blocks 15, so that the grille 16 and fan blades inside the fan body 1 are conveniently cleaned.

Referring to fig. 1, the square groove 17 is formed in the outer wall of the grille 16, the round bar 18 is fixedly arranged on the inner wall of the square groove 17, and convenience in disassembling the grille 16 is improved by arranging the square groove 17 and the round bar 18 to facilitate the convenience in disassembling the grille 16 by a worker holding the round bar 18.

Referring to fig. 1, a storage groove 19 is formed in the outer wall of the fan body 1, a pull ring 20 is rotatably connected to the inner wall of the storage groove 19, and the storage groove 19 and the pull ring 20 are arranged to facilitate the movement of a worker on the position of the fan body through the pull ring 20.

Referring to fig. 1 and 2, the number of the sleeves 3 and the springs 6 is four, and the four sleeves 3 and the springs 6 are uniformly distributed at four corners of the bottom of the connecting block 2, and the damping effect of the device is guaranteed by limiting the number and the positions of the sleeves 3 and the springs 6, so that the noise reduction effect of the device is improved.

The implementation principle of the utility model is as follows: during operation, the damping block 4 slides in the sleeve 3 at first, weakens kinetic energy of the damping block through friction force in the sliding process, and then is matched with the shrinkage of the spring 6 to provide elasticity, so that the vibration of the device during operation is primarily damped, meanwhile, the first magnet 9 and the second magnet 11 are continuously close to each other in the vibrating process, and the repulsive force of the two magnets is also continuously increased in the continuously approaching process due to the opposite N pole directions of the first magnet 9 and the second magnet 11, so that the damping and noise reducing effects of the damping block are improved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (7)

1. The utility model provides a big amount of wind axial fan of discharging fume, includes fan body (1), its characterized in that: the fan comprises a fan body (1), wherein a connecting block (2) is fixedly arranged at the bottom of the fan body (1), a sleeve (3) is fixedly arranged at the bottom of the connecting block (2), a damping block (4) is connected to the inner wall of the sleeve (3) in a sliding manner, a supporting rod (5) is fixedly arranged at the bottom of the damping block (4), a spring (6) is movably sleeved on the outer wall of the sleeve (3), the top of the spring (6) is abutted to the bottom of the connecting block (2), the bottom of the spring (6) is abutted to the top of a supporting plate (7), a supporting plate (7) is fixedly arranged at the bottom of the supporting rod (5), a first fixing block (8) is fixedly arranged at the bottom of the connecting block (2), a second fixing block (10) is fixedly arranged at the top of the supporting plate (7), and a second magnet (11) is fixedly arranged at the inner wall of the second fixing block (10).

2. The high-air-volume axial-flow type smoke exhaust fan according to claim 1, wherein: the N pole of the first magnet (9) is downward, and the N pole of the second magnet (11) is upward.

3. The high-air-volume axial-flow type smoke exhaust fan according to claim 1, wherein: the bottom of backup pad (7) is fixed and is equipped with slipmat (12), slipmat (12) have seted up anti-skidding line (13) bottom.

4. The high-air-volume axial-flow type smoke exhaust fan according to claim 1, wherein: clamping grooves (14) are formed in two ends of the fan body (1), clamping blocks (15) are clamped on the inner walls of the clamping grooves (14), and a grid (16) is fixedly assembled at one end, far away from the clamping grooves (14), of each clamping block (15).

5. The high volume axial flow smoke exhaust fan as defined in claim 4, wherein: square grooves (17) are formed in the outer wall of the grid (16), and round rods (18) are fixedly arranged on the inner wall of the square grooves (17).

6. The high-air-volume axial-flow type smoke exhaust fan according to claim 1, wherein: the fan comprises a fan body (1), wherein a storage groove (19) is formed in the outer wall of the fan body, and a pull ring (20) is connected to the inner wall of the storage groove (19) in a rotating mode.

7. The high-air-volume axial-flow type smoke exhaust fan according to claim 1, wherein: the number of the sleeves (3) and the springs (6) is four, and the four sleeves (3) and the springs (6) are uniformly distributed at four corners of the bottom of the connecting block (2).