CN112145456A

CN112145456A - Stainless steel fan for preventing motor vibration and reducing noise

Info

Publication number: CN112145456A
Application number: CN202011285844.7A
Authority: CN
Inventors: 刘万勤; 王正方; 董传友; 刘正东; 刘迪群; 张为军; 孙勇安
Original assignee: Jiangsu Hengkang Electrical Co ltd
Current assignee: Jiangsu Hengkang Electrical Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2020-12-29
Anticipated expiration: 2040-11-17
Also published as: CN112145456B

Abstract

The invention discloses a stainless steel fan capable of preventing motor vibration and reducing noise, which comprises a fan box, wherein the bottom end inside the fan box is symmetrically connected with a support frame, the inside of the support frame is fixedly connected with a slide rod, the top end inside the fan box is fixedly connected with a piston cylinder, one side of the piston cylinder is provided with a lubricant box, one side of the piston cylinder, which is far away from the lubricant box, is provided with a motor, an output shaft of the motor is fixedly connected with a slide rod through a transmission rod, the surface of the slide rod is slidably connected with a transverse slide rail, one side of the transverse slide rail is fixedly connected with a piston rod, one end of the piston rod is fixedly connected with a piston, one side of the fan box, which is far away from an air outlet, is fixedly connected with an: can follow both sides and bottom and carry out the shock attenuation to driving motor, also can add the production of the further noise reduction of emollient automatically, the dismantlement of the dust screen of being convenient for simultaneously.

Description

Stainless steel fan for preventing motor vibration and reducing noise

Technical Field

The invention relates to the field of stainless steel fans, in particular to a stainless steel fan capable of preventing motor vibration and reducing noise.

Background

A stainless steel fan is a fan, which is a driven fluid machine and is a short for Chinese habit of gas compression and gas conveying machinery, generally, the fan comprises a fan, a blower and a wind driven generator, the fan is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and induced air of boilers and industrial kilns, the traditional fan can generate vibration and noise when the motor rotates, in addition, an output shaft between the motor and blades cannot be effectively lubricated, so that the friction force of a motor shaft is large, the output shaft is easy to generate radial pulsation, and the noise is increased, although a dustproof net is arranged at an air inlet of the existing stainless steel fan, the dustproof net is difficult to take out, the dust screen is inconvenient to clean and easy to block.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

The technical task of the invention is to provide a stainless steel fan for preventing the vibration of a motor and reducing the noise to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a stainless steel fan capable of preventing motor vibration and reducing noise comprises a fan box, wherein a support frame is symmetrically connected to the bottom end inside the fan box, a sliding rod is fixedly connected to the inside of the support frame, a first sliding block is connected to the surface of the sliding rod in a sliding mode, a first spring is connected between the top end of the first sliding block and the support frame, the first spring is wound on the surface of the sliding rod, a second spring is connected between the bottom end of the first sliding block and the support frame, the second spring is wound on the surface of the sliding rod, a movable rod is fixedly connected to one end of the first sliding block, a support plate is fixedly connected to the end, far away from the first sliding block, of the movable rod, a plurality of third springs are connected between the bottom end of the support plate and the fan box, a driving motor is fixedly connected to the top end of the support plate, a rotating shaft is fixedly, a box body is fixedly connected to one side, close to the output shaft, of the driving motor, a piston cylinder is fixedly connected to the top end inside the fan box, a lubricant box is arranged on one side of the piston cylinder, the lubricant box is fixedly connected to the inner wall of the fan box, a motor is arranged on one side, far away from the lubricant box, of the piston cylinder, the motor is fixedly connected to the inner wall of the fan box, a transmission rod is fixedly connected to the output shaft of the motor, a sliding rod is fixedly connected to the bottom end, far away from the motor, of one side of the transmission rod, the surface of the sliding rod is slidably connected with a transverse sliding rail, a piston rod is fixedly connected to one side, close to the piston cylinder, of the transverse sliding rail, one end, far away from the transverse sliding rail, of the piston rod penetrates through the piston cylinder and is fixedly connected with, the air inlet pipe is provided with a one-way valve I, one side of the piston cylinder, far away from the piston rod, is fixedly connected with an air outlet pipe, the top end of the air outlet pipe penetrates through the lubricant box and extends into the lubricant box, the air outlet pipe is provided with a one-way valve II, the bottom end of the lubricant box is fixedly connected with an oil outlet pipe, the bottom end of the oil outlet pipe penetrates through the box body and is fixedly connected with an oil dripping port, the oil outlet pipe is provided with a control valve, the top end of the lubricant box is provided with an oil injection mechanism, one side of the fan box, near the fan blades, is fixedly connected with an air outlet, one side of the fan box, far away from the air outlet, is fixedly connected with an air inlet, a dust screen is arranged inside the air inlet, the top end of the air inlet is provided with, one side of dust screen is equipped with kayser mechanism, kayser mechanism's top fixedly connected with carriage release lever, the fixed surface of carriage release lever is connected with the movable block, the both sides of movable block with be equipped with slide mechanism between the inner wall of air intake, the top fixedly connected with push-and-pull piece of carriage release lever, one side surface mounting of fan case has the controller, driving motor with the motor and the control valve all with controller electric connection.

Further, the oiling mechanism comprises an oiling port and a top cover, the oiling port is formed in the top end of the lubricant box, and the top cover is installed at the top end of the oiling port.

Further, the moving mechanism comprises a sliding rail and a second sliding block, the sliding rails are arranged on the inner walls of the two sides of the air inlet, the sliding rail is connected with the second sliding block in a sliding mode, and the second sliding block is fixedly connected with the dust screen.

Furthermore, the clamping and locking mechanism comprises a first convex block, a second convex block, a transverse rod, a reset spring and a baffle plate, the baffle plate is fixedly connected to the top end of the inner portion of the air inlet, the transverse rod is arranged on one side of the baffle plate, the reset spring is connected between the transverse rod and the baffle plate, the top end of the transverse rod is fixedly connected with the moving rod, the transverse rod is far away from the first convex block fixedly connected to one end of the baffle plate, the dustproof net is close to the second convex block fixedly connected to one side of the first convex block, and the first convex block is matched with the second convex.

Further, slide mechanism includes square mouth, spout and slider three, the air intake is located the square mouth has been seted up to the top of horizontal pole, the spout has all been seted up to the both sides of square mouth, the inside sliding connection of spout has slider three, slider three with movable block fixed connection.

Furthermore, one end of the rotating shaft, which is far away from the fan blade, is connected with a bearing seat, and the bearing seat is fixedly connected with the box body.

Furthermore, the surface of the piston rod is sleeved with a fixed sleeve, and the top end of the fixed sleeve is fixedly connected with the fan box through a connecting rod.

Furthermore, one end of the sliding rod, which is far away from the transmission rod, penetrates through the transverse sliding rail and is fixedly connected with a limiting block.

Furthermore, the top end of the dust screen is fixedly connected with a handle.

Furthermore, the four corners of the bottom of the fan box are fixedly connected with supporting legs.

The invention has the beneficial effects that:

1. this stainless steel fan can carry out the shock attenuation to driving motor from both sides and bottom through setting up support frame, slide bar, slider one, spring two, movable rod, backup pad, spring three and driving motor, avoids driving motor during operation to produce vibration and leads to a large amount of noises to influence operational environment.

2. Through setting up the box body, a piston section of thick bamboo, the lubricant tank, including a motor, an end cap, a controller, and a cover plate, the transfer line, the slide bar, the transverse sliding rail, the piston rod, a piston, the intake pipe, check valve one, the outlet duct, check valve two, go out the oil pipe, drip the hydraulic fluid port, the control valve, can make the gas in the piston section of thick bamboo discharge into in the lubricant tank under the drive of motor, thereby make the atmospheric pressure increase in the lubricant tank, thereby squeeze into the box body with emollient, thereby can lubricate the output shaft of driving motor and reduce the frictional force between output shaft and the driving motor shell, thereby further noise reduction's production.

3. Through setting up dust screen, carriage release lever, movable block, push-and-pull piece and kayser mechanism, the installation and the dismantlement of dust screen of can being convenient for to make the staff convenient clear up the dust screen, avoid long-time use dust screen to lead to dust screen surface dust to pile up, thereby cause the dust screen to be blockked up.

4. Through setting up fixed cover, can be so that the piston rod is connected with the fan case, guaranteed that the position that the piston rod removed can not take place the skew for piston rod removal is more stable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a stainless steel fan for preventing vibration and reducing noise of a motor according to an embodiment of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is an enlarged view at B in FIG. 1;

FIG. 4 is a schematic structural diagram of a dust screen in a stainless steel blower for preventing motor vibration and reducing noise according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a moving mechanism in a stainless steel blower for preventing vibration and reducing noise of a motor according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a sliding mechanism in a stainless steel blower for preventing vibration and reducing noise of a motor according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a limiting block in a stainless steel fan for preventing motor vibration and reducing noise according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a controller of a stainless steel fan for preventing motor vibration and reducing noise according to an embodiment of the present invention.

Reference numerals:

1. a fan box; 2. a support frame; 3. a slide bar; 4. a first sliding block; 5. a first spring; 6. a second spring; 7. a movable rod; 8. a support plate; 9. a third spring; 10. a drive motor; 11. a rotating shaft; 12. a fan blade; 13. a box body; 14. a piston cylinder; 15. a lubricant tank; 16. a motor; 17. a transmission rod; 18. a slide bar; 19. a horizontal slide rail; 20. a piston rod; 21. a piston; 22. an air inlet pipe; 23. a one-way valve I; 24. an air outlet pipe; 25. a second one-way valve; 26. an oil outlet pipe; 27. a dripping port; 28. a control valve; 29. an air outlet; 30. an air inlet; 31. a dust screen; 32. a travel bar; 33. a movable block; 34. a push-pull block; 35. a controller; 36. an oil filling port; 37. a top cover; 38. a slide rail; 39. a second sliding block; 40. a first bump; 41. a second bump; 42. a cross bar; 43. a return spring; 44. a baffle plate; 45. square opening; 46. a chute; 47. a third sliding block; 48. a bearing seat; 49. fixing a sleeve; 50. a limiting block; 51. a handle; 52. supporting legs; 53. and (4) opening.

Detailed Description

The invention is further described with reference to the following figures and specific examples.

The first embodiment is as follows:

referring to fig. 1 to 8, a stainless steel fan for preventing motor vibration and reducing noise according to an embodiment of the present invention includes a fan box 1, wherein a support frame 2 is symmetrically connected to an inner bottom end of the fan box 1, a slide bar 3 is fixedly connected to an inner portion of the support frame 2, a first slider 4 is slidably connected to a surface of the slide bar 3, a first spring 5 is connected between a top end of the first slider 4 and the support frame 2, the first spring 5 is wound on a surface of the slide bar 3, a second spring 6 is connected between a bottom end of the first slider 4 and the support frame 2, the second spring 6 is wound on a surface of the slide bar 3, a movable rod 7 is fixedly connected to one end of the first slider 4, a support plate 8 is fixedly connected to one end of the movable rod 7, which is far away from the first slider 4, and a plurality of springs three 9 are connected between a bottom end of the support plate 8, the top end of the supporting plate 8 is fixedly connected with a driving motor 10, an output shaft of the driving motor 10 is fixedly connected with a rotating shaft 11, one end of the rotating shaft 11 far away from the driving motor 10 is fixedly connected with a fan blade 12, one side of the driving motor 10 close to the output shaft is fixedly connected with a box body 13, the top end of the interior of the fan box 1 is fixedly connected with a piston cylinder 14, one side of the piston cylinder 14 is provided with a lubricant box 15, the lubricant box 15 is fixedly connected with the inner wall of the fan box 1, one side of the piston cylinder 14 far away from the lubricant box 15 is provided with a motor 16, the motor 16 is fixedly connected with the inner wall of the fan box 1, the output shaft of the motor 16 is fixedly connected with a transmission rod 17, the bottom end of one side of the transmission rod 17 far away from the motor 16 is fixedly connected with a sliding rod, the transverse slide rail 19 is close to one side of the piston cylinder 14 and is fixedly connected with a piston rod 20, one end, far away from the transverse slide rail 19, of the piston rod 20 penetrates through the piston cylinder 14 and is fixedly connected with a piston 21, the piston 21 is movably connected with the piston cylinder 14, the bottom end of the piston cylinder 14 is fixedly connected with an air inlet pipe 22, a one-way valve I23 is installed on the air inlet pipe 22, one side, far away from the piston rod 20, of the piston cylinder 14 is fixedly connected with an air outlet pipe 24, the top end of the air outlet pipe 24 penetrates through the lubricant box 15 and extends into the lubricant box 15, a one-way valve II 25 is installed on the air outlet pipe 24, an oil outlet pipe 26 is fixedly connected with the bottom end of the lubricant box 15, the bottom end of the oil outlet pipe 26 penetrates through the box body 13 and is fixedly connected with an oil dripping port 27, a control, an air outlet 29 is fixedly connected to one side of the fan box 1 close to the fan blade 12, an air inlet 30 is fixedly connected to one side of the fan box 1 far away from the air outlet 29, a dust screen 31 is installed inside the air inlet 30, an opening 53 is formed in the top end of the air inlet 30, the opening 53 is matched with the dust screen 31, a moving mechanism is arranged between two sides of the dust screen 31 and the inner wall of the air inlet 30, a locking mechanism is arranged on one side of the dust screen 31, a moving rod 32 is fixedly connected to the top end of the locking mechanism, a moving block 33 is fixedly connected to the surface of the moving rod 32, a sliding mechanism is arranged between two sides of the moving block 33 and the inner wall of the air inlet 30, a push-pull block 34 is fixedly connected to the top end of the moving rod 32, a controller 35 is installed on the surface of one side of the fan box 1, and the, the driving motor 10 and the motor 16, and the control valve 28 are electrically connected to the controller 35.

Through the scheme of the invention, the driving motor 10 can be damped from two sides and the bottom end, a large amount of noise caused by vibration generated when the driving motor 10 works is avoided, so that the working environment is influenced, and the lubricating agent can be automatically added to the output shaft of the driving motor 10, so that the noise is further reduced.

Example two:

referring to fig. 1, 5 and 6, for the oil injection mechanism, the oil injection mechanism includes an oil injection port 36 and a top cover 37, an oil filling port 36 is arranged at the top end of the lubricant box 15, a top cover 37 is arranged at the top end of the oil filling port 36, for the moving mechanism, the moving mechanism comprises a slide rail 38 and a second slide block 39, the inner walls of the two sides of the air inlet 30 are both provided with the slide rail 38, a second sliding block 39 is connected inside the sliding rail 38 in a sliding manner, the second sliding block 39 is fixedly connected with the dust screen 31, for the sliding mechanism, the sliding mechanism comprises a square opening 45, a sliding groove 46 and a sliding block three 47, the air inlet 30 is provided with a square opening 45 above the cross bar 42, sliding grooves 46 are respectively arranged on two sides of the square opening 45, the inside sliding connection of spout 46 has slider three 47, slider three 47 with movable block 33 fixed connection.

Through the scheme of the invention, the sliding mechanism can facilitate the horizontal movement of the movable block 33 and limit the transverse rod 42 not to deviate during movement.

Example three:

referring to fig. 1 and 3, for the locking mechanism, the locking mechanism includes a first projection 40, a second projection 41, a cross bar 42, a return spring 43 and a baffle 44, the baffle 44 is fixedly connected to the top end of the inside of the air inlet 30, the cross bar 42 is disposed on one side of the baffle 44, the return spring 43 is connected between the cross bar 42 and the baffle 44, the top end of the cross bar 42 is fixedly connected to the moving rod 32, the first projection 40 is fixedly connected to one end of the cross bar 42 away from the baffle 44, the second projection 41 is fixedly connected to one side of the dust screen 31 close to the first projection 40, the first projection 40 is matched with the second projection 41, and for the dust screen 31, the handle 51 is fixedly connected to the top end of the dust screen 31.

By the scheme of the invention, the installation and the disassembly of the dust screen 31 can be facilitated, so that workers can clean the dust screen 31 conveniently, and the dust screen 31 is prevented from being blocked due to the accumulation of dust on the surface of the dust screen 31 caused by long-time use of the dust screen 31.

Example four:

referring to fig. 1, 2, 4, 5, and 7, for the rotating shaft 11, one end of the rotating shaft 11 away from the fan blade is connected to a bearing seat 48, the bearing seat 48 is fixedly connected to the box body 13, for the piston rod 20, a fixing sleeve 49 is sleeved on the surface of the piston rod 20, the top end of the fixing sleeve 49 is fixedly connected to the fan box 1 through a connecting rod, for the sliding rod 18, one end of the sliding rod 18 away from the transmission rod 17 penetrates through the transverse sliding rail 19 and is fixedly connected to a limiting block 50, and for the fan box 1, four corners of the bottom of the fan box 1 are fixedly connected to supporting legs 52.

Through the scheme of the invention, the piston rod 20 can be connected with the fan box 1 by arranging the fixed sleeve 49, so that the moving position of the piston rod 20 is ensured not to deviate, and the piston rod 20 can move more stably.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the top cover 37 is opened, lubricant is injected into the lubricant tank 15 through the oil injection port 36, the driving motor 10 and the motor 16 are started, the driving motor 10 drives the fan blade 12 to rotate, the motor 16 drives the transmission rod 17 to rotate, the transmission rod 17 drives the sliding rod 18 to rotate, the sliding rod 18 rotates in the transverse sliding rail 19, so that the transverse sliding rail 19 horizontally moves back and forth, the piston rod 20 drives the piston 21 to move back and forth in the piston cylinder 14, when the piston 21 is pushed inwards, the first check valve 23 is in a closed state, the second check valve 25 is in an open state, so that the piston 21 discharges gas in the piston cylinder 14 into the lubricant tank 15 through the gas outlet pipe 24, when the piston 21 is stretched outwards, the first check valve 23 is in an open state, and the second check valve 25 is in a closed state, so that external gas is sucked into the piston cylinder 14 through the gas inlet pipe 22, so relapse, make the atmospheric pressure in the lubricant tank 15 constantly increase, thereby instil into box body 13 with emollient through oil pipe 26 and oil drip 27, thereby for driving motor 10's output shaft interpolation emollient, thereby reduce the frictional force between output shaft and the driving motor shell, further noise abatement's production, when needs clear up the dust screen 31 of air intake 30 department, promote push-and-pull piece 34, push-and-pull piece 34 drives horizontal pole 42 through carriage release lever 32 and removes, thereby make a lug 40 and two 41 break away from, rethread handle 51 takes out dust screen 31 from coming out the washing, be convenient for installation and dismantlement of dust screen 31, thereby make the staff conveniently clear up dust screen 31, avoid using the dust screen for a long time to lead to dust screen 31 surface dust to pile up, thereby cause dust screen 31 to be blockked up.

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. The stainless steel fan is characterized by comprising a fan box (1), wherein a support frame (2) is symmetrically connected to the bottom end of the interior of the fan box (1).

2. The stainless steel fan capable of preventing motor vibration and reducing noise according to claim 2, wherein a sliding rod (3) is fixedly connected inside the supporting frame (2), a sliding block I (4) is slidably connected to the surface of the sliding rod (3), a spring I (5) is connected between the top end of the sliding block I (4) and the supporting frame (2), the spring I (5) is wound on the surface of the sliding rod (3), a spring II (6) is connected between the bottom end of the sliding block I (4) and the supporting frame (2), the spring II (6) is wound on the surface of the sliding rod (3), a movable rod (7) is fixedly connected to one end of the sliding block I (4), a supporting plate (8) is fixedly connected to one end of the movable rod (7) far away from the sliding block I (4), and a plurality of springs III (9) are connected between the bottom end of the supporting plate (8) and the fan box (1), the fan is characterized in that a driving motor (10) is fixedly connected to the top end of the supporting plate (8), a rotating shaft (11) is fixedly connected to an output shaft of the driving motor (10), a fan blade (12) is fixedly connected to one end, far away from the driving motor (10), of the rotating shaft (11), a box body (13) is fixedly connected to one side, close to the output shaft, of the driving motor (10), a piston cylinder (14) is fixedly connected to the top end of the interior of the fan box (1), a lubricant box (15) is arranged on one side of the piston cylinder (14), the lubricant box (15) is fixedly connected with the inner wall of the fan box (1), a motor (16) is arranged on one side, far away from the lubricant box (15), of the piston cylinder (14), the motor (16) is fixedly connected with the inner wall of the fan box (1), and a transmission rod (17, the transmission rod (17) is far away from one side bottom end of the motor (16) and is fixedly connected with a sliding rod (18), the surface of the sliding rod (18) is connected with a transverse sliding rail (19) in a sliding manner, the transverse sliding rail (19) is close to one side of the piston cylinder (14) and is fixedly connected with a piston rod (20), one end, far away from the transverse sliding rail (19), of the piston rod (20) penetrates through the piston cylinder (14) and is fixedly connected with a piston (21), the piston (21) is movably connected with the piston cylinder (14), the bottom end of the piston cylinder (14) is fixedly connected with an air inlet pipe (22), a one-way valve I (23) is installed on the air inlet pipe (22), one side, far away from the piston rod (14), of the piston rod (20) is fixedly connected with an air outlet pipe (24), the top end of the air outlet pipe (24) penetrates through the lubricant box, the fan is characterized in that a check valve II (25) is installed on the air outlet pipe (24), an oil outlet pipe (26) is fixedly connected to the bottom end of the lubricant box (15), the bottom end of the oil outlet pipe (26) penetrates through the box body (13) and is fixedly connected with an oil dripping port (27), a control valve (28) is installed on the oil outlet pipe (26), an oil injection mechanism is installed at the top end of the lubricant box (15), an air outlet (29) is fixedly connected to one side, close to the fan blade (12), of the fan box (1), an air inlet (30) is fixedly connected to one side, far away from the air outlet (29), of the fan box (1), a dust screen (31) is installed inside the air inlet (30), an opening (53) is formed in the top end of the air inlet (30), the opening (53) is matched with the dust screen (31), and a moving mechanism is arranged between two sides of the dust screen (, one side of dust screen (31) is equipped with kayser mechanism, kayser mechanism's top fixedly connected with carriage release lever (32), the fixed surface of carriage release lever (32) is connected with movable block (33), the both sides of movable block (33) with be equipped with slide mechanism between the inner wall of air intake (30), the top fixedly connected with of carriage release lever (32) pushes away and draws piece (34), a side surface mounting of fan case (1) has controller (35), driving motor (10) with motor (16) and control valve (28) all with controller (35) electric connection, oiling mechanism includes oiling mouth (36) and top cap (37), oiling mouth (36) have been seted up on the top of lubricant tank (15), top cap (37) are installed on the top of oiling mouth (36).

3. The stainless steel fan for preventing motor vibration and reducing noise according to claim 2, wherein the moving mechanism comprises a sliding rail (38) and a second sliding block (39), the sliding rail (38) is arranged on the inner wall of each of the two sides of the air inlet (30), the second sliding block (39) is connected to the inside of the sliding rail (38) in a sliding manner, and the second sliding block (39) is fixedly connected with the dust screen (31).

4. The stainless steel blower according to claim 3, wherein the stainless steel blower prevents vibration of the motor and reduces noise, characterized in that the locking mechanism comprises a first projection (40), a second projection (41), a cross bar (42), a return spring (43) and a baffle (44), the top end of the interior of the air inlet (30) is fixedly connected with a baffle (44), one side of the baffle (44) is provided with a cross bar (42), a return spring (43) is connected between the cross bar (42) and the baffle (44), the top end of the cross rod (42) is fixedly connected with the moving rod (32), one end of the cross rod (42) far away from the baffle (44) is fixedly connected with a first projection (40), one side of the dust screen (31) close to the first bump (40) is fixedly connected with a second bump (41), and the first bump (40) is matched with the second bump (41).

5. The stainless steel fan capable of preventing motor vibration and reducing noise according to claim 4, wherein the sliding mechanism comprises a square opening (45), a sliding groove (46) and a third sliding block (47), the square opening (45) is formed in the position, above the cross rod (42), of the air inlet (30), the sliding groove (46) is formed in each of two sides of the square opening (45), the third sliding block (47) is connected to the inside of the sliding groove (46) in a sliding mode, and the third sliding block (47) is fixedly connected with the movable block (33).

6. The stainless steel fan for preventing motor vibration and reducing noise according to claim 2, wherein a bearing seat (48) is connected to one end of the rotating shaft (11) far away from the fan blades, and the bearing seat (48) is fixedly connected with the box body (13).

7. The stainless steel fan for preventing motor vibration and reducing noise according to claim 2, wherein a fixing sleeve (49) is sleeved on the surface of the piston rod (20), and the top end of the fixing sleeve (49) is fixedly connected with the fan box (1) through a connecting rod.

8. The stainless steel fan for preventing motor vibration and reducing noise according to claim 2, wherein one end of the sliding rod (18) far away from the transmission rod (17) penetrates through the transverse sliding rail (19) and is fixedly connected with a limiting block (50).

9. The stainless steel blower for preventing motor vibration and reducing noise according to claim 2, wherein a handle (51) is fixedly connected to the top end of the dust screen (31).

10. The stainless steel fan for preventing motor vibration and reducing noise according to claim 2, wherein four corners of the bottom of the fan box (1) are fixedly connected with supporting legs (52).