CN218207116U

CN218207116U - Explosion-proof centrifugal fan

Info

Publication number: CN218207116U
Application number: CN202222825527.0U
Authority: CN
Inventors: 陈兴
Original assignee: Jingjiang Yikai Ventilation Equipment Co ltd
Current assignee: Jingjiang Yikai Ventilation Equipment Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-01-03
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses an explosion-proof centrifugal fan, including the fan main part, the intermediate position department fixed mounting of fan main part one side has the motor, the output of motor extends to the inside of fan main part, one side movable mounting of fan main part inner wall has movable plectane, one side of movable plectane and the output fixed connection of motor, the intermediate position department movable mounting of fan main part one side has movable ring, fixed mounting has the connecting rod between movable ring and the movable plectane, and the rotatory running gear of user drives the connecting gear and rotates, and the connecting gear drives through connecting block and spread groove and adjusts the pole and rotate, adjusts the pole and drives the installation axle through movable block and moving groove and rotate for the blade can rotate, is convenient for adjust the angle of blade, and after adjusting, spacing ring gear is under the effect of clamp solid spring, resumes the normal position for spacing ring and spacing ring looks joint are convenient for spacing the angle of blade.

Description

Explosion-proof centrifugal fan

Technical Field

The utility model relates to a centrifugal fan technical field specifically is explosion-proof centrifugal fan.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilating and air inducing of boilers and industrial kilns; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion;

although current explosion-proof centrifugal fan can satisfy user's user demand to a certain extent, still have certain use problem in the use, at the in-process that uses, centrifugal fan's impeller angle is fixed, when using, can't adjust according to user's user demand, for this reason we provide explosion-proof centrifugal fan.

Disclosure of Invention

The utility model discloses an aim at provides explosion-proof centrifugal fan to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: explosion-proof centrifugal fan, including the fan main part, the intermediate position department fixed mounting of fan main part one side has the motor, the output of motor extends to the inside of fan main part, one side movable mounting of fan main part inner wall has movable circular plate, one side of movable circular plate and the output fixed connection of motor, the intermediate position department movable mounting of fan main part one side has movable ring, fixed mounting has the connecting rod between movable ring and the movable circular plate, even movable mounting has the installation axle between movable circular plate and the movable circular plate, the outside fixed mounting of installation axle has the blade, the inside activity interlude of installation axle has the regulation pole, the one end of regulation pole extends to the outside of movable circular ring, and this end movable mounting has the go-between, be provided with spacing subassembly between regulation pole and movable circular plate and the movable circular ring, the surface movable mounting of movable circular ring has the connecting gear, connecting gear and regulation pole swing joint, the outside movable circular ring movable mounting has the rotating ring, the rotating ring meshes with the movable circular ring.

Preferably, the spread groove has all been seted up to the both sides of adjusting pole one end, the outside at the regulation pole is established to connecting gear movable sleeve, the equal fixed mounting in both sides of connecting gear inner wall has the connecting block with spread groove matched with.

Preferably, one side of the connecting ring is provided with an annular rail, one end of the adjusting rod is fixedly provided with a sliding block, and the sliding block is movably inserted into the annular rail.

Preferably, the limiting component comprises an adjusting groove, a limiting gear ring, a moving block, a moving ring, a clamping spring and a moving groove.

Preferably, the inside of activity ring and activity plectane has all seted up the adjustment tank, the both ends of installation axle activity interlude respectively in the inside of adjustment tank, and with the inner wall swing joint of adjustment tank.

Preferably, one end of the inner wall of the adjusting groove is fixedly provided with a limit gear ring, two ends of the mounting shaft are provided with moving grooves, and two sides of the adjusting rod are fixedly provided with moving blocks.

Preferably, the moving block penetrates through the moving groove and is provided with a limiting gear ring, the limiting gear ring is clamped with the limiting gear ring, and one end of the inner wall of the adjusting groove is movably provided with the moving ring.

Preferably, the movable ring is movably sleeved outside the mounting shaft, two ends of the mounting shaft are both sleeved with clamping springs, and two ends of each clamping spring are respectively and fixedly connected with the limiting gear ring and the movable ring.

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

1. the utility model discloses in, the motor drives movable plectane and rotates, and movable plectane rotates through the connecting rod drive activity ring, and movable plectane and activity ring drive installation axle through limit gear and rotate for the blade can rotate in step, makes the inside suction that produces of fan main part, convenient to use person's use.

2. The utility model discloses in, when adjusting the blade, the user stimulates the go-between, and the go-between removes through adjusting the pole, and the regulation pole drives spacing ring gear through the movable block and removes for spacing ring gear removes along the surface of installation axle, makes spacing ring gear break away from with spacing ring gear mutually, compresses the card solid spring, makes the installation axle can rotate.

3. The utility model discloses in, the rotatory ring gear that rotates of user, it drives and connects the gear and rotate to rotate the ring gear, it drives the regulation pole through connecting block and spread groove and rotates to connect the gear, it drives the installation axle through movable block and moving groove and rotates to adjust the pole, make the blade can rotate, be convenient for adjust the angle of blade, after adjusting, spacing ring gear is under the effect of card solid spring, the recovery position, make spacing ring gear and spacing ring gear looks joint, be convenient for carry on spacingly to the angle of blade.

Drawings

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

FIG. 2 is an enlarged view of the structure A in FIG. 1;

FIG. 3 is an enlarged view of B of FIG. 1;

in the figure: 1. a fan main body; 2. a motor; 3. a movable circular plate; 4. a movable circular ring; 5. a connecting rod; 6. a blade; 7. an adjustment groove; 8. installing a shaft; 9. adjusting a rod; 10. limiting the gear ring; 11. a limit toothed ring; 12. a moving block; 13. a movable ring; 14. clamping and fixing the spring; 15. a moving groove; 16. a connecting gear; 17. connecting blocks; 18. connecting grooves; 19. a connecting ring; 20. the toothed ring is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

Referring to fig. 1 and fig. 3, the present invention provides a technical solution: an explosion-proof centrifugal fan comprises a fan main body 1, wherein a motor 2 is fixedly arranged at the middle position of one side of the fan main body 1, the output end of the motor 2 extends into the fan main body 1, a movable circular plate 3 is movably arranged at one side of the inner wall of the fan main body 1, one side of the movable circular plate 3 is fixedly connected with the output end of the motor 2, a movable circular ring 4 is movably arranged at the middle position of one side of the fan main body 1, a connecting rod 5 is fixedly arranged between the movable circular ring 4 and the movable circular plate 3, an installation shaft 8 is uniformly and movably arranged between the movable circular ring 4 and the movable circular plate 3, a blade 6 is fixedly arranged at the outer side of the installation shaft 8, an adjusting rod 9 is movably inserted in the installation shaft 8, one end of the adjusting rod 9 extends to the outer side of the movable circular ring 4, a connecting ring 19 is movably arranged at the end of the adjusting rod 9, a limiting assembly is arranged between the adjusting rod 9 and the movable circular plate 3 as well as between the adjusting rod 9 and the movable circular ring 4, a connecting gear 16 is movably arranged on the surface of the movable circular ring 4, the connecting gear 16 is movably connected with the adjusting rod 9, a rotating toothed ring 20 is movably arranged on the outer side of the movable circular ring 4, the rotating toothed ring 20 is meshed with the movable circular ring 4, connecting grooves 18 are respectively arranged on two sides of one end of the adjusting rod 9, the connecting gear 16 is movably sleeved on the outer side of the adjusting rod 9, connecting blocks 17 matched with the connecting grooves 18 are fixedly arranged on two sides of the inner wall of the connecting gear 16, an annular rail is arranged on one side of the connecting ring 19, a sliding block is fixedly arranged at one end of the adjusting rod 9, and the sliding block is movably inserted in the annular rail;

wherein, the rotatory ring gear 20 that rotates of user, it rotates to rotate ring gear 20 and drive connecting gear 16, connecting gear 16 drives through connecting block 17 and spread groove 18 and adjusts the pole 9 and rotate, it rotates to adjust pole 9 and drive installation axle 8 through movable block 12 and shift groove 15, make blade 6 can rotate, be convenient for adjust the angle of blade 6, after adjusting, spacing ring gear 11 is under the effect of card solid spring 14, resume the normal position, make spacing ring gear 11 and spacing ring gear 10 joint mutually, be convenient for carry out spacingly to the angle of blade 6, motor 2 drives movable plectane 3 and rotates, movable plectane 3 drives movable ring 4 through connecting rod 5 and rotates, movable plectane 3 and movable ring 4 drive installation axle 8 through spacing ring gear 10 and rotate, make blade 6 can synchronous rotation, make the inside suction that produces of fan main part 1, convenient to use user's use.

Referring to fig. 1 and 2, the limiting assembly includes an adjusting groove 7, a limiting gear ring 10, a limiting gear ring 11, a moving block 12, a movable ring 13, a clamping spring 14 and a moving groove 15, the adjusting groove 7 is respectively disposed inside the movable circular ring 4 and the movable circular plate 3, two ends of the mounting shaft 8 are respectively movably inserted into the adjusting groove 7 and movably connected with an inner wall of the adjusting groove 7, the limiting gear ring 10 is fixedly mounted at one end of an inner wall of the adjusting groove 7, the moving grooves 15 are respectively disposed at two ends of the mounting shaft 8, the moving blocks 12 are fixedly mounted at two sides of the adjusting rod 9, the moving blocks 12 penetrate through the moving grooves 15 and are provided with the limiting gear ring 11, the limiting gear ring 11 is clamped with the limiting gear ring 10, the movable ring 13 is movably mounted at one end of the inner wall of the adjusting groove 7, the movable ring 13 is movably sleeved on an outer side of the mounting shaft 8, the clamping spring 14 is sleeved at two ends of the mounting shaft 8, and two ends of the clamping spring 14 are respectively and fixedly connected with the limiting gear ring 11 and the movable ring 13;

wherein, when adjusting blade 6, the user pulls go-between 19, and go-between 19 removes through adjusting pole 9, and it removes to adjust pole 9 and drive spacing ring gear 11 through movable block 12 for spacing ring gear 11 removes along the surface of installation axle 8, makes spacing ring gear 11 break away from with spacing ring gear 10 mutually, compresses chucking spring 14, makes installation axle 8 can rotate.

The working principle is as follows: when adjusting the blade 6, the user pulls the connecting ring 19, the connecting ring 19 moves through the adjusting rod 9, the adjusting rod 9 drives the limiting toothed ring 11 to move through the moving block 12, so that the limiting toothed ring 11 moves along the surface of the installation shaft 8, so that the limiting toothed ring 11 is separated from the limiting toothed ring 10, the fastening spring 14 is compressed, so that the installation shaft 8 can rotate, the user rotates the rotating toothed ring 20, the rotating toothed ring 20 drives the connecting gear 16 to rotate, the connecting gear 16 drives the adjusting rod 9 to rotate through the connecting block 17 and the connecting groove 18, the adjusting rod 9 drives the installation shaft 8 to rotate through the moving block 12 and the moving groove 15, so that the blade 6 can rotate, the angle of the blade 6 is convenient to adjust, after adjustment, the limiting toothed ring 11 is under the effect of the fastening spring 14, the original position is restored, so that the limiting toothed ring 11 is fastened with the limiting toothed ring 10, the angle of the blade 6 is convenient to limit, the motor 2 drives the movable circular plate 3 to rotate, the movable circular plate 3 drives the movable circular plate 4 to rotate through the connecting rod 5, the movable circular plate 3 and the movable circular ring 4 can drive the blade 6 to rotate through the limiting toothed ring 10, so that the suction force generated by the fan can be conveniently used inside.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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. Explosion-proof centrifugal fan, including fan main part (1), the intermediate position department fixed mounting of fan main part (1) one side has motor (2), the output of motor (2) extends to the inside of fan main part (1), its characterized in that: fan main part (1) one side movable mounting of inner wall has activity plectane (3), one side of activity plectane (3) and the output fixed connection of motor (2), the intermediate position department movable mounting of fan main part (1) one side has activity ring (4), fixed mounting has connecting rod (5) between activity ring (4) and the activity plectane (3), even movable mounting has installation axle (8) between activity ring (4) and the activity plectane (3), the outside fixed mounting of installation axle (8) has blade (6), the inside activity of installation axle (8) is interlude has regulation pole (9), the one end of adjusting pole (9) extends to the outside of activity ring (4), and this end movable mounting has go-between (19), be provided with spacing subassembly between regulation pole (9) and activity plectane (3) and the activity ring (4), the surface movable mounting of activity ring (4) has connecting gear (16), connecting gear (16) and regulation pole (9) swing joint, the outside movable mounting of activity ring (4) has rotating ring (20), rotating ring (20) and movable ring (4) mesh mutually.

2. The explosion-proof centrifugal fan of claim 1, wherein: connecting grooves (18) have all been seted up to the both sides of adjusting pole (9) one end, connecting gear (16) movable sleeve is established in the outside of adjusting pole (9), the equal fixed mounting in both sides of connecting gear (16) inner wall has connecting block (17) with connecting groove (18) matched with.

3. The explosion-proof centrifugal fan of claim 1, wherein: one side of the connecting ring (19) is provided with an annular rail, one end of the adjusting rod (9) is fixedly provided with a sliding block, and the sliding block is movably inserted into the annular rail.

4. The explosion-proof centrifugal fan of claim 1, wherein: the limiting assembly comprises an adjusting groove (7), a limiting gear ring (10), a limiting gear ring (11), a moving block (12), a moving ring (13), a clamping and fixing spring (14) and a moving groove (15).

5. The explosion-proof centrifugal fan of claim 4, wherein: adjusting groove (7) have all been seted up to the inside of activity ring (4) and activity plectane (3), the both ends of installation axle (8) are the activity respectively and are alternates in the inside of adjusting groove (7), and with the inner wall swing joint of adjusting groove (7).

6. The explosion-proof centrifugal fan of claim 5, wherein: one end of the inner wall of the adjusting groove (7) is fixedly provided with a limiting gear ring (10), two ends of the mounting shaft (8) are provided with moving grooves (15), and two sides of the adjusting rod (9) are fixedly provided with moving blocks (12).

7. The explosion-proof centrifugal fan of claim 6, wherein: the movable block (12) penetrates through the movable groove (15) and is provided with a limiting gear ring (11), the limiting gear ring (11) is clamped with the limiting gear ring (10), and a movable ring (13) is movably arranged at one end of the inner wall of the adjusting groove (7).

8. The explosion-proof centrifugal fan of claim 7, wherein: the movable ring (13) is movably sleeved on the outer side of the mounting shaft (8), the two ends of the mounting shaft (8) are respectively sleeved with a clamping spring (14), and the two ends of the clamping spring (14) are respectively and fixedly connected with the limiting toothed ring (11) and the movable ring (13).