Dust prevention and collection device for front bearing of motor

Abstract

The utility model discloses a dust prevention and collection device for a front bearing of a motor, which relates to the technical field of dust prevention of bearings and comprises a dust prevention mechanism, a fixing mechanism is arranged on one side of the dust prevention mechanism, and an exhaust mechanism is arranged on one side of the fixing mechanism. The fixing mechanism comprises a mounting ring, and the inner wall of the mounting ring is fixedly connected with a motor. Through cooperation of the mounting ring, the motor, the first threaded rod, the movable clamping block, the first non-slip mat, the second threaded rod, the clamping plate and the second non-slip mat, an operator starts the motor, the first threaded rod is driven by the motor to rotate, the first threaded rod and the movable clamping block do threaded motion, and the first non-slip mat makes contact with and is fixed to the outer wall of the rotating shaft; meanwhile, a bevel gear I drives a bevel gear II to rotate, the bevel gear II drives a threaded rod II to rotate, and the threaded rod II and a movable plate do threaded motion, so that a non-slip mat II is in contact and fixed with the rotating shaft and rotates along with the rotating shaft of the motor, dust is prevented from entering from the space between the device and the rotating shaft, and the device adapts to rotating shafts with different diameters.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing dustproof technical field, concretely relates to a motor front bearing dustproof device. BACKGROUND

[0002] Bearing as the rotating part of motor plays a vital role in the stable operation of motor, its performance and life directly affect the performance and life of motor, and bearing sealing structure affects the performance and life of bearing. Especially in the use process of motor, once the sealing performance of bearing is poor, small particles enter the bearing, which pollutes the bearing grease and affects the bearing lubrication, causes the wear of bearing ball, and further increases the temperature of bearing; destroys the long-term use of bearing, and further affects the service life of motor. Especially the open type motor, for the open type motor, since the casing is not fully closed, the body, front and rear end covers are provided with heat dissipation holes, and dust and other small particles can easily enter the bearing chamber along the gap between the cover and the shaft under the wind force of motor rotation, pollute the bearing grease, and further damage the bearing steel ball.

[0003] Publication No. CN210957991U discloses a motor front bearing dustproof structure, which comprises a front bearing, a motor rotating shaft, a fixed spring, a high-density fiber ring and a dustproof gasket. The front bearing is connected with the motor rotating shaft by interference fit, a fixed spring is arranged on one side of the front bearing for axial limiting, a high-density fiber ring and a dustproof gasket are sequentially arranged on the side of the fixed spring away from the front bearing, and the dustproof gasket comprises an outer part and an inner part, and the inner part separates the high-density fiber ring from the motor rotating shaft.

[0004] In order to solve the problem of incomplete sealing and poor sealing effect in the prior art, the prior art uses a fan rotating with the main shaft to generate strong wind to discharge dust from the exhaust port, but this type of sealing structure is not easy to disassemble, and cannot adapt to the installation of bearings of different diameters, thereby causing the problems of inconvenient maintenance and complicated installation and use. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a motor front bearing dustproof device to solve the problems in the background art.

[0006] To solve the above technical problems, the utility model adopts the technical scheme of:

[0007] A motor front bearing dustproof device comprises a dustproof mechanism, a fixed mechanism is arranged on one side of the dustproof mechanism, and an exhaust mechanism is arranged on one side of the fixed mechanism.

[0008] The fixed mechanism comprises a mounting ring, an inner wall of the mounting ring is fixedly connected with a motor, an output end of the motor is fixedly connected with a threaded rod one, an outer wall of the threaded rod one is threadedly connected with a movable clamping block, a top of the movable clamping block is slidably connected with a limiting plate, both ends of the limiting plate are fixedly connected with the mounting ring, and a bottom of the movable clamping block is fixedly connected with an anti-skid pad one.

[0009] The further improvement of the utility model technical scheme lies in that: the outer wall of the threaded rod one is fixedly connected with a bevel gear one, the bottom of the bevel gear one is engaged with a bevel gear two, and the inner wall of the bevel gear two is fixedly connected with a threaded rod two.

[0010] The further improvement of the utility model technical scheme lies in that: the bottom of the threaded rod two is rotatably connected with the mounting ring, the outer wall of the threaded rod two is threadedly connected with a movable plate, the top of the movable plate is fixedly connected with a clamping plate, and the top of the clamping plate is fixedly connected with an anti-skid pad two.

[0011] The further improvement of the utility model technical scheme lies in that: one side of the mounting ring is fixedly connected with a fixed ring, and a fixed groove is formed in the outer wall of the fixed ring.

[0012] The further improvement of the utility model technical scheme lies in that: the dustproof mechanism comprises an elastic fixing rib one, the inner wall of the elastic fixing rib one is movably connected with a zipper, one side of the elastic fixing rib one is fixedly connected with a dust screen, the middle part of the dust screen is fixedly connected with an elastic fixing rib two, and the elastic fixing rib two is movably connected with the outer wall of the bearing.

[0013] The further improvement of the utility model technical scheme lies in that: one end of the dust screen is fixedly connected with the zipper, and the outer wall of the zipper is movably connected with a zipper fastener.

[0014] The further improvement of the utility model technical scheme lies in that: the air exhaust mechanism comprises a fixed cover, one side of the fixed cover is fixedly connected with the mounting ring, and the inner wall of the fixed cover is fixedly connected with a fan.

[0015] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0016] 1. The utility model provides a motor front bearing dust suction prevention device, through the cooperation of mounting ring, motor, threaded rod no. 1, movable clamp block, limit board, bevel gear no. 1, antiskid pad no. 1, bevel gear no. 2, threaded rod no. 2, movable plate, clamping plate, antiskid pad no. 2, when using, the operator is connected to the outer wall of the rotating shaft, moves the device to cover the bearing but keeps a certain distance with the motor, prevents the generation of friction damage, starts the motor, rotates through the motor drive threaded rod no. 1, makes movable clamp block along the limit board screw rod no. 1 middle part moves through the screw motion of threaded rod no. 1 and movable clamp block, until antiskid pad no. 1 is contacted and fixed with the rotating shaft outer wall, simultaneously rotates through the threaded rod no. 1 drive bevel gear no. 1, rotates through the bevel gear no. 1 drive bevel gear no. 2, rotates through the bevel gear no. 2 drive threaded rod no. 2, makes movable plate move upwards through the screw motion of threaded rod no. 2 and movable plate, drive clamping plate to move, until antiskid pad no. 2 is contacted and fixed with the rotating shaft, fixes the device with the rotating shaft, rotates together with the motor rotating shaft, and avoids the dust from the device and the rotating shaft, and simultaneously facilitates disassembly and maintenance, adapts to different diameter rotating shaft.

[0017] 2. The utility model provides a motor front bearing dust suction prevention device, through the cooperation of elastic fixed rib no. 1, dust screen, slide fastener, slide fastener buckle, elastic fixed rib no. 2, fixed ring, fixed groove, when using, one side of fixed mechanism will produce suction force, the operator is connected in the outer wall of slide fastener through elastic fixed rib no. 1, makes dust screen connect in the outer wall of fixed ring, fixes dust screen on the surface of rotating shaft through elastic fixed rib no. 2, prevents dust through dust screen, the surface of dust screen will produce dust, when dust is too much, the operator pulls elastic fixed rib no. 1, makes elastic fixed rib no. 1 extension from the inner wall of fixed groove, slide fastener buckle is in the outer wall of slide fastener, makes slide fastener separate simultaneously and separates dust screen, takes down dust prevention mechanism and cleans, effectively prevents dust from entering, and simultaneously facilitates disassembly and cleaning.

[0018] 3. The utility model provides a motor front bearing dust suction prevention device, through the cooperation of fixed cover and fan, the operator starts the motor, drive rotating shaft rotation, drive fixed mechanism rotation through rotating shaft, drive fixed cover rotation through fixed mechanism, drive fan rotation through fixed cover and produce powerful wind force, in the heat dissipation process, will be together with dust from the gap between device and machine and discharge, realize both can assist machine heat dissipation, and can prevent dust from entering. ACCURACY OF DRAWINGS

[0019] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the structure schematic diagram of dust prevention mechanism of the utility model;

[0021] Figure 3 It is the structure schematic diagram of fixed mechanism of the utility model;

[0022] Figure 4 It is the enlarged structure schematic view of the utility model A place;

[0023] Figure 5 It is the structure schematic view of the utility model exhaust mechanism.

[0024] In the figure: 1, dustproof mechanism;11, elastic fixing rib one;12, dust screen;13, zipper;14, zipper buckle;15, elastic fixing rib two;2, fixing mechanism;21, mounting ring;22, fixed ring;23, fixed groove;24, motor;25, threaded rod one;26, movable clamp block;27, limit plate;28, bevel gear one;29, non-slip pad one;210, bevel gear two;211, threaded rod two;212, movable plate;213, clamping plate;214, non-slip pad two;3, exhaust mechanism;31, fixed cover;32, fan. DETAILED DESCRIPTION

[0025] The utility model will be further explained in detail in connection with examples:

[0026] Example 1

[0027] As Figures 1-5 shown, the utility model provides a motor front bearing dustproof device, including dustproof mechanism 1, dustproof mechanism 1 one side is provided with fixing mechanism 2, and fixing mechanism 2 one side is provided with exhaust mechanism 3;Fixing mechanism 2 includes mounting ring 21, and the inner wall of mounting ring 21 is fixedly connected with motor 24, and the output end of motor 24 is fixedly connected with threaded rod one 25, and the outer wall of threaded rod one 25 is threadedly connected with movable clamp block 26, and the top of movable clamp block 26 is slidably connected with limit plate 27, and the both ends of limit plate 27 are fixedly connected with mounting ring 21, and the bottom of movable clamp block 26 is fixedly connected with non-slip pad one 29, and the outer wall of threaded rod one 25 is fixedly connected with bevel gear one 28, and the bottom of bevel gear one 28 is engaged with bevel gear two 210, and the inner wall of bevel gear two 210 is fixedly connected with threaded rod two 211, and the bottom of threaded rod two 211 is rotatably connected with mounting ring 21, and the outer wall of threaded rod two 211 is threadedly connected with movable plate 212, and the top of movable plate 212 is fixedly connected with clamping plate 213, and the top of clamping plate 213 is fixedly connected with non-slip pad two 214, and one side of mounting ring 21 is fixedly connected with fixed ring 22, and the outer wall of fixed ring 22 is provided with fixed groove 23.

[0028] In this embodiment, during use, the operator attaches the device to the outer wall of the rotating shaft, moves the device to cover the bearing but keeps a certain distance from the motor to prevent friction damage, starts the motor 24, drives the threaded rod 25 to rotate, and the threaded rod 25 moves threadedly with the movable clamping block 26, causing the movable clamping block 26 to move along the limiting plate 27 towards the middle of the threaded rod 25 until the anti-slip pad 29 contacts and fixes to the outer wall of the rotating shaft. At the same time, the threaded rod 25 drives the bevel gear 28 to rotate, the bevel gear 28 drives the bevel gear 210 to rotate, the bevel gear 210 drives the threaded rod 211 to rotate, and the threaded rod 211 moves threadedly with the movable plate 212.

[0029] Example 2

[0030] like Figures 1-5 As shown, based on Embodiment 1, this utility model provides a technical solution: Preferably, the dustproof mechanism 1 includes an elastic fixing rib 11, the inner wall of the elastic fixing rib 11 is movably connected to the zipper 13, a dustproof net 12 is fixedly connected to one side of the elastic fixing rib 11, an elastic fixing rib 2 15 is fixedly connected to the middle of the dustproof net 12, the elastic fixing rib 2 15 is movably connected to the outer wall of the bearing, a zipper 13 is fixedly connected to one end of the dustproof net 12, and a zipper buckle 14 is movably connected to the outer wall of the zipper 13.

[0031] In this embodiment, the operator attaches the elastic fixing rib 11 to the outer wall of the zipper 13, and attaches the dustproof net 12 to the outer wall of the fixing ring 22. The dustproof net 12 is fixed to the surface of the rotating shaft by the elastic fixing rib 25. The dustproof net 12 blocks dust, and dust will accumulate on the surface of the dustproof net 12. When too much dust accumulates, the operator pulls the elastic fixing rib 11 to extend it out from the inner wall of the fixing groove 23, slides the zipper buckle 14 on the outer wall of the zipper 13, and separates the zipper 13 and the dustproof net 12 at the same time, and removes the dustproof mechanism 1 for cleaning.

[0032] Example 3

[0033] like Figures 1-5 As shown, based on Embodiment 1, this utility model provides a technical solution: preferably, the exhaust mechanism 3 includes a fixed cover 31, one side of the fixed cover 31 is fixedly connected to the mounting ring 21, and a fan 32 is fixedly connected to the inner wall of the fixed cover 31.

[0034] In this embodiment, the movable plate 212 is moved upward, which drives the clamping plate 213 to move until the anti-slip pad 214 contacts and is fixed with the rotating shaft. The operator starts the motor, which drives the rotating shaft to rotate. The rotating shaft drives the fixing mechanism 2 to rotate, and the fixing mechanism 2 drives the fixing cover 31 to rotate. The fixing cover 31 drives the fan 32 to rotate, generating a strong airflow. During the heat dissipation process, dust will be discharged from the gap between the device and the machine.

[0035] The working principle of the anti-dust suction device for the front bearing of the motor will be explained in detail below.

[0036] like Figures 1-5 As shown, during use, the operator attaches the device to the outer wall of the rotating shaft, moves the device to cover the bearing but maintains a certain distance from the motor to prevent friction damage, starts the motor 24, and drives the threaded rod 25 to rotate. The threaded rod 25 moves threadedly with the movable clamping block 26, causing the movable clamping block 26 to move along the limiting plate 27 towards the middle of the threaded rod 25 until the anti-slip pad 29 contacts and is fixed to the outer wall of the rotating shaft. At the same time, the threaded rod 25 drives the bevel gear 28 to rotate, which in turn drives the bevel gear 210 to rotate. The bevel gear 210 drives the threaded rod 211 to rotate, which in turn moves threadedly with the movable plate 212, causing the movable plate 212 to move upward and drive the clamping plate 213 to move until the anti-slip pad 214 contacts and is fixed to the rotating shaft. The operator then starts the motor, causing the rotating shaft to rotate. The rotating shaft drives the fixing mechanism 2 to rotate, which in turn drives the fixing cover 31 to rotate. The fixing cover 31 then drives the fan 32 to rotate, generating a strong airflow. During the heat dissipation process, dust is expelled from the gap between the device and the machine. At the same time, a suction force is generated on one side of the fixing mechanism 2. The operator attaches the elastic fixing rib 11 to the outer wall of the zipper 13, and attaches the dustproof net 12 to the outer wall of the fixing ring 22. The elastic fixing rib 25 fixes the dustproof net 12 to the surface of the rotating shaft, blocking dust. Dust will accumulate on the surface of the dustproof net 12. When too much dust accumulates, the operator pulls the elastic fixing rib 11, extending it out from the inner wall of the fixing groove 23. The zipper buckle 14 slides on the outer wall of the zipper 13, separating the zipper 13 and the dustproof net 12. The dustproof mechanism 1 can then be removed for cleaning.

[0037] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A dust-proofing device for a front bearing of an electric machine, comprising a dust-proofing mechanism (1), characterized in that: One side of the dustproof mechanism (1) is provided with a fixing mechanism (2), one side of the fixing mechanism (2) is provided with an exhaust mechanism (3); The fixing mechanism (2) comprises a mounting ring (21), the inner wall of the mounting ring (21) is fixedly connected with a motor (24), the output end of the motor (24) is fixedly connected with a threaded rod one (25), the outer wall of the threaded rod one (25) is threadedly connected with a movable clamping block (26), the top of the movable clamping block (26) is slidably connected with a limiting plate (27), the both ends of the limiting plate (27) are fixedly connected with the mounting ring (21), the bottom of the movable clamping block (26) is fixedly connected with an anti-skid pad one (29).

2. A dust suction prevention device for a front bearing of an electric machine according to claim 1, characterized in that: The outer wall of the threaded rod one (25) is fixedly connected with a bevel gear one (28), the bottom of the bevel gear one (28) is engaged with a bevel gear two (210), the inner wall of the bevel gear two (210) is fixedly connected with a threaded rod two (211).

3. A dust suction prevention device for a front bearing of an electric machine according to claim 2, characterized in that: The bottom of the threaded rod two (211) is rotatably connected with the mounting ring (21), the outer wall of the threaded rod two (211) is threadedly connected with a movable plate (212), the top of the movable plate (212) is fixedly connected with a clamping plate (213), the top of the clamping plate (213) is fixedly connected with an anti-skid pad two (214).

4. A dust suction prevention device for a front bearing of an electric machine according to claim 1, characterized in that: One side of the mounting ring (21) is fixedly connected with a fixed ring (22), the outer wall of the fixed ring (22) is provided with a fixed groove (23).

5. A dust-attracting prevention device for a front bearing of an electric machine according to claim 4, characterized in that: The dustproof mechanism (1) comprises a elastic fixing rib one (11), the inner wall of the elastic fixing rib one (11) is movably connected with a zipper (13), one side of the elastic fixing rib one (11) is fixedly connected with a dust screen (12), the middle of the dust screen (12) is fixedly connected with a elastic fixing rib two (15), the elastic fixing rib two (15) is movably connected with the outer wall of the bearing.

6. A dust-attracting prevention device for a front bearing of an electric machine according to claim 5, characterized in that: One end of the dust screen (12) is fixedly connected with the zipper (13), the outer wall of the zipper (13) is movably connected with a zipper fastener (14).

7. A dust suction prevention device for a front bearing of an electric machine according to claim 1, characterized in that: The exhaust mechanism (3) comprises a fixed cover (31), one side of the fixed cover (31) is fixedly connected with the mounting ring (21), the inner wall of the fixed cover (31) is fixedly connected with a fan (32).

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