CN218118094U

CN218118094U - End cover sealing structure of fan bearing

Info

Publication number: CN218118094U
Application number: CN202222840665.6U
Authority: CN
Inventors: 户伟林; 马少辉; 陈铮; 申君龙; 谭红波
Original assignee: Hebei Hualong Blower Co ltd
Current assignee: Hebei Hualong Blower Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2022-12-23
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a fan bearing end cover seal structure, including air-blower body and axis of rotation, the axis of rotation rotates to be connected in the air-blower body, and the one end of axis of rotation stretches out outside the air-blower body to fixing base, bearing body and bearing cap have been cup jointed in proper order. First ring channel has been seted up on the outer wall of air-blower body, the joint has first sealing washer in the first ring channel, one side of fixing base is provided with the grafting ring, the grafting ring is pegged graft in first ring channel, the opposite side of fixing base is provided with fixed cover, the second ring channel has been seted up on the terminal surface of fixed cover, the joint has the second sealing washer in the second ring channel, bearing body joint is inboard in the circumference of fixed cover, one side of bearing cap is provided with snap ring and clamping ring, the snap ring is pegged graft in the second ring channel, clamping ring and bearing body looks butt. The utility model discloses a leakproofness between air-blower body and the bearing cap is strengthened to first sealing washer and second sealing washer to prevent air-blower bearing end cover's oil leak.

Description

End cover sealing structure of fan bearing

Technical Field

The utility model relates to a fan bearing end cover technical field especially relates to a fan bearing end cover seal structure.

Background

The working process of the blower is that the eccentric operation of the offset rotor in the cylinder, and make the volume change between the vanes in the rotor slot suck, compress, spit the air, the oil tank which supplies the lubricating oil for the rotor spindle and other parts in the operation process of the blower is usually set in the blower base, the pressure difference of the blower is used to automatically send the lubricating oil to the oil dripping nozzle in the operation, the lubricating oil is dripped into the cylinder to reduce the friction and noise, and the gas in the cylinder can be kept not to flow back. The rotor in the existing blower is installed in the body through a bearing, and a bearing end cover arranged outside the bearing is an essential important component for the blower.

At present, most of the bearing end covers of the existing blowers have the following defects: along with the extension of air-blower live time, bearing end cover's sealed effect can worsen gradually, and bearing end cover can slowly begin the oil impregnate because of wearing and tearing, vibration scheduling problem, and equipment oil leakage not only can cause the waste of the energy, still can cause the pollution of surrounding environment, and more importantly bearing end cover oil leak still probably causes secondary disasters such as conflagration.

Therefore, in order to solve the above problems, it is necessary to improve the bearing cover of the existing blower or the related structure thereof.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sealing structure of a bearing end cover of a blower.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a blower bearing end cover seal structure, includes air-blower body and axis of rotation, the axis of rotation rotates to be connected in the air-blower body, just the one end of axis of rotation runs through the lateral wall of air-blower body, stretch out in annular fixing base, bearing body and annular bearing cap have cup jointed in proper order in the axis of rotation outside the air-blower body.

Seted up on the outer wall of air-blower body with the coaxial first ring channel of axis of rotation, the joint has first sealing washer in the first ring channel, one side of fixing base is coaxial to be provided with the convex grafting ring in side direction, the grafting ring peg graft in the first ring channel, and the grafting ring with first sealing washer looks butt, the opposite side of fixing base is coaxial to be provided with the convex fixed cover in side direction, and fixed cover is kept away from set up the second ring channel on the terminal surface of fixing base, the joint has the second sealing washer in the second ring channel, the circumference inboard of fixed cover is equipped with the fixed slot, bearing body joint is in the fixed slot, and one side of bearing cap is coaxial to be provided with convex snap ring in side direction and clamping ring, and the snap ring is located the annular outside of clamping ring, the snap ring peg graft in the second ring channel, and the snap ring with second sealing washer looks butt, the terminal surface of clamping ring with bearing body looks butt.

Furthermore, an oil filling hole is formed in one side of the bearing cover.

Furthermore, a plurality of fixing screws are connected to the bearing cover, penetrate through the bearing cover and the fixing seat, and are in threaded connection with the side wall of the blower body.

Further, the bottom of the air blower body is fixedly provided with a supporting seat, the top of the supporting seat is also fixedly provided with a motor, the rotating shaft extends out of the side wall of one end outside the air blower body and is provided with two pin holes, a fixing bayonet lock is inserted in each pin hole, and an output shaft of the motor is coaxially and fixedly connected with the rotating shaft through the fixing bayonet lock.

Furthermore, a dust screen is fixedly mounted on the other side of the blower body.

Further, an air outlet is formed in the air blower body and connected with a connector communicated with an external air delivery pipeline.

The utility model has the advantages that:

1. the connection part between the air blower body and the fixing seat can be sealed by the arrangement of the first sealing ring between the air blower body and the fixing seat, so that oil leakage is prevented, resource waste is avoided, and meanwhile, the environment can be protected.

2. The connection part between the bearing cover and the fixed seat can be sealed through the arrangement of the second sealing ring arranged between the fixed seat and the bearing cover, so that the oil leakage of the bearing end cover of the blower is further prevented.

3. The bearing body can be strengthened and fixed during the operation of the air blower through the arrangement of the pressure ring on the bearing body, so that the bearing body is prevented from shaking, the vibration condition of the bearing end cover is further reduced, the oil leakage problem caused by vibration is solved, and the normal operation of the air blower body is also prevented from being influenced.

Drawings

Fig. 1 is a schematic perspective view of the sealing structure of the blower bearing end cap of the present invention;

fig. 2 is a schematic diagram of a rear view structure of the sealing structure of the blower bearing end cap of the present invention;

FIG. 3 is an exploded view of a partial structure of the present invention;

fig. 4 is a schematic sectional view of a partial structure of the present invention.

In the figure: 1. a blower body; 2. a first annular groove; 3. a plug-in ring; 4. a first seal ring; 5. a fixed seat; 6. fixing a sleeve; 7. a second annular groove; 8. a second seal ring; 9. a snap ring; 10. a bearing cap; 11. fixing grooves; 12. a bearing body; 13. pressing a ring; 14. an oil filler hole; 15. a fixing screw; 16. a rotating shaft; 17. a supporting seat; 18. a motor; 19. fixing the clamping pin; 20. a dust screen; 21. a connecting head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1 to 4, a bearing end cap sealing structure of a blower includes a blower body 1 and a rotating shaft 16, the rotating shaft 16 is rotatably connected in the blower body 1, one end of the rotating shaft 16 penetrates through a side wall of the blower body 1, and an annular fixing seat 5, a bearing body 12 and an annular bearing cap 10 are sequentially sleeved on the rotating shaft 16 extending out of the blower body 1.

Offer on the outer wall of air-blower body 1 with the coaxial first ring channel 2 of axis of rotation 16, the joint has first sealing washer 4 in the first ring channel 2, and one side of fixing base 5 is coaxial to be provided with the convex grafting ring 3 of side direction, and grafting ring 3 is pegged graft in first ring channel 2, and grafting ring 3 and first sealing washer 4 looks butt, seals through the junction between first sealing washer 4 to air-blower body 1 and fixing base 5. The other side of the fixed seat 5 is coaxially provided with a fixed sleeve 6 protruding in the lateral direction, a second annular groove 7 is formed in the end face, away from the fixed seat 5, of the fixed sleeve 6, and a second sealing ring 8 is connected in the second annular groove 7 in a clamping mode. The circumference inboard of fixed cover 6 is equipped with fixed slot 11, and bearing body 12 joint is in fixed slot 11. One side of the bearing cap 10 is coaxially provided with a laterally convex clamping ring 9 and a clamping ring 13, the clamping ring 9 is located outside the annular shape of the clamping ring 13, the clamping ring 9 is inserted into the second annular groove 7, the clamping ring 9 is abutted against the second sealing ring 8, and the joint between the bearing cap 10 and the fixing sleeve 6 is sealed through the second sealing ring 8. The end face of the pressing ring 13 abuts against the bearing body 12, and the pressing ring 13 presses the bearing body 12, thereby preventing the bearing body 12 from wobbling. In this embodiment, the inserting ring 3, the fixing sleeve 6 and the fixing base 5 are integrally formed, and the snap ring 9, the press ring 13 and the bearing cap 10 are integrally formed.

In this embodiment, an oil hole 14 is formed at one side of the bearing cap 10, and lubricating oil is injected through the oil hole 14 to lubricate the inside of the bearing body 12.

The bearing cover 10 in this embodiment is connected with a plurality of fixing screws 15, the fixing screws 15 penetrate through the bearing cover 10 and the fixing base 5 and are in threaded connection with the side wall of the blower body 1, and the fixing base 5, the bearing cover 10 and the blower body 1 are fixedly connected through the fixing screws 15.

In this embodiment, a supporting seat 17 is fixedly installed at the bottom of the blower body 1, a motor 18 is further fixedly installed at the top of the supporting seat 17 through a bolt, two pin holes are formed in the side wall of one end, extending out of the blower body 1, of the rotating shaft 16, a fixing bayonet 19 is inserted in each pin hole, and an output shaft of the motor 18 is coaxially and fixedly connected with the rotating shaft 16 through the fixing bayonet 19. The output end of the motor 18 is clamped and fixed with the protruding end of the rotating shaft 16 by a fixing clamp 19.

In this embodiment, the other side of the blower body 1 is fixedly provided with a dust screen 20 by bolts, the extending end of the rotating shaft 16 and the dust screen 20 are respectively located at the opposite sides of the blower body 1, and the dust screen 20 has a certain filtering effect on the air entering the blower body 1.

The blower body 1 in this embodiment is provided with an air outlet, and the air outlet is connected with a connector 21 communicated with an external air delivery pipeline.

The working principle of the embodiment is as follows: when the sealing structure of the utility model is installed, the first sealing ring 4 is firstly clamped in the first annular groove 2, then the inserting ring 3 is inserted in the first annular groove 2, and the sealing of the connection part between the blower body 1 and the fixed seat 5 is realized through the first sealing ring 4; then, the bearing body 12 is clamped in the fixing groove 11, the second sealing ring 8 is clamped in the second annular groove 7, the clamping ring 9 is also inserted in the second annular groove 7, meanwhile, the pressing ring 13 is pressed on the bearing body 12, the bearing body 12 is prevented from shaking, and the sealing between the bearing cover 10 and the fixing seat 5 is realized through the second sealing ring 8; the fixing base 5, the bearing cover 10 and the blower body 1 are connected and fixed through the fixing screw 15, and then lubricating oil is injected through the oil injection hole 14 to lubricate the inside of the bearing body 12. The utility model discloses, strengthen the leakproofness between bearing cap 10 and the air-blower body 1 through first sealing washer 4 and second sealing washer 8 to prevent the oil leak, in order to avoid causing the waste of resource, simultaneously, can also protect the environment. Additionally, the utility model discloses a clamping ring is strengthened fixedly to the bearing body, further reduces the vibration condition of bearing end cover to and because the oil leak problem that the vibration caused, also avoided influencing the normal operating of air-blower body.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. A kind of blower bearing end cap seal structure, characterized by that: the air blower comprises an air blower body (1) and a rotating shaft (16), wherein the rotating shaft (16) is rotatably connected into the air blower body (1), one end of the rotating shaft (16) penetrates through the side wall of the air blower body (1), and an annular fixed seat (5), a bearing body (12) and an annular bearing cover (10) are sequentially sleeved on the rotating shaft (16) extending out of the air blower body (1);

seted up on the outer wall of air-blower body (1) with axis of rotation (16) coaxial first ring channel (2), first sealing washer (4) have been connect to the joint in first ring channel (2), one side of fixing base (5) is coaxial to be provided with side direction convex grafting ring (3), grafting ring (3) peg graft in first ring channel (2), and grafting ring (3) with first sealing washer (4) looks butt, the opposite side of fixing base (5) is coaxial to be provided with side direction convex fixed cover (6), and fixed cover (6) are kept away from set up second ring channel (7) on the terminal surface of fixing base (5), and the joint has second sealing washer (8) in second ring channel (7), the circumference inboard of fixed cover (6) is equipped with fixed slot (11), bearing body (12) joint is in fixed slot (11), and one side coaxial be provided with side direction convex snap ring (9) and clamping ring (13) of bearing lid (10), and snap ring (9) are located the annular outside of clamping ring (13), snap ring (9) peg graft in second ring channel (7), and second ring channel (9) and bearing body looks butt.

2. A bearing end cap seal according to claim 1, wherein: an oil filling hole (14) is formed in one side of the bearing cover (10).

3. A bearing end cap seal according to claim 1, wherein: the air blower is characterized in that a plurality of fixing screws (15) are connected to the bearing cover (10), and the fixing screws (15) penetrate through the bearing cover (10) and the fixing seat (5) and are in threaded connection with the side wall of the air blower body (1).

4. A blower bearing end cap seal arrangement according to claim 1, wherein: the air blower comprises an air blower body (1), a supporting seat (17) is fixedly mounted at the bottom of the air blower body (1), a motor (18) is fixedly mounted at the top of the supporting seat (17), two pin holes are formed in one end side wall of the rotating shaft (16) extending out of the air blower body (1), a fixing clamping pin (19) is connected in each pin hole in an inserted mode, and an output shaft of the motor (18) is coaxially and fixedly connected with the rotating shaft (16) through the fixing clamping pin (19).

5. A bearing end cap seal according to claim 1, wherein: and a dust screen (20) is fixedly arranged on the other side of the blower body (1).

6. A bearing end cap seal according to claim 1, wherein: the air blower is characterized in that an air outlet is formed in the air blower body (1), and the air outlet is connected with a connector (21) communicated with an external air delivery pipeline.