CN215634396U

CN215634396U - Sealed double-row angular contact bearing

Info

Publication number: CN215634396U
Application number: CN202121259020.2U
Authority: CN
Inventors: 赵国平; 卞海昌; 柳伟; 贾伟杰; 覃佐章
Original assignee: Jiaxing Fkg Bearing Co ltd
Current assignee: Jiaxing Fkg Bearing Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-01-25
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a sealed double-row angular contact bearing which comprises an inner ring, wherein the outer side wall of the inner ring is provided with two second grooves, the outer side wall of the inner ring is fixedly provided with a partition plate, an iron block is arranged in the partition plate, one end, far away from the inner ring, of the partition plate is connected with an outer ring in a sliding mode, one side, close to the partition plate, of the outer ring is provided with two first grooves, steel balls are arranged between the first grooves and the second grooves, the steel balls are fixedly connected with the side walls of the first grooves, and the outer side wall of the inner ring is fixedly provided with two sealing devices. According to the utility model, the limiting plate and the rubber plate limit the steel ball by arranging the limiting device, the steel ball stops rotating, the outer ring cannot rotate continuously, the object can be changed from rotating connection into fixed connection without disassembly, the use is very convenient, the steel ball can be better protected by arranging the sealing device, the friction force between the inner ring and the object can be increased by arranging the wear-resistant layer, and the inner ring and the object can be more firmly fixed.

Description

Sealed double-row angular contact bearing

Technical Field

The utility model relates to the technical field of bearings, in particular to a sealed double-row angular contact bearing.

Background

The bearing is an important part in the modern mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the movement process of the mechanical rotating body and ensuring the rotation precision of the mechanical rotating body, wherein the double-row angular contact bearing can bear larger radial load and bidirectional axial load, and compared with a single-row angular contact bearing, the double-row angular contact bearing has better rigidity and can bear overturning moment.

According to the patent number CN204664145U, the name is a double-row angular contact bearing, which comprises an inner ring, an outer ring and steel balls, wherein the inner ring is a pair of corresponding half rings and is installed in the inner diameter of the outer ring together, the outer edge of the inner ring is protruded, the inner side plane of the inner ring is provided with a groove, the two inner rings are opposite to each other, the steel balls are positioned and installed in the respective grooves through the respective protrusions, and two rows of steel balls are formed. The device adopts the design method of the separable full ball, the inner and outer rings are not provided with ball gaps, the number of balls is increased, the radial rigidity, the axial rigidity and the angular rigidity of the bearing are further increased, the bearing performance of the bearing is improved, the device can be applied to wider fields by adopting a mode without a retainer, and the service life of a product can be prolonged after a sealing or dustproof device is added.

However, this device does not change its basic function, and when two objects do not need to be connected by rotation, they need to be removed and replaced with another tool to fix the two objects, which is troublesome to operate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a sealed double-row angular contact bearing.

In order to achieve the purpose, the utility model adopts the following technical scheme: sealed double row angular contact bearing, including the inner circle, two No. two recesses have been seted up to the inner circle lateral wall, inner circle lateral wall fixed mounting has the baffle, the inside iron plate that is provided with of baffle, the one end sliding connection that the inner circle was kept away from to the baffle has the outer lane, the outer lane has been seted up No. two recesses near one side of baffle, be provided with the steel ball between a recess and No. two recesses, steel ball and a recess lateral wall fixed connection, inner circle lateral wall fixed mounting has two sealing device.

As a further description of the above technical solution:

sealing device is including sealed piece, sealed piece and inner circle lateral wall fixed connection, the storage tank has been seted up to sealed piece lateral wall, the storage tank opening part is provided with the rubber buffer, sealed piece lateral wall activity runs through there is stop device.

As a further description of the above technical solution:

stop device includes the screw rod, the screw rod activity runs through sealed piece lateral wall, screw rod surface activity cover is equipped with the spring, screw rod tip fixed mounting has rotating assembly.

As a further description of the above technical solution:

the rotating assembly comprises a nut, the nut is fixedly connected with the end portion of the screw rod, a cross-shaped groove is formed in one side, away from the screw rod, of the nut, two ends of the spring are fixedly connected with the sealing block and the nut respectively, and a limiting assembly is fixedly mounted at one end, away from the nut, of the screw rod.

As a further description of the above technical solution:

the limiting assembly comprises a limiting plate, the limiting plate is fixedly connected with one end, away from the screw cap, of the screw rod, and a rubber plate is fixedly mounted on one side, away from the screw rod, of the limiting plate.

As a further description of the above technical solution:

the inner ring inner side wall is fixedly provided with a wear-resistant layer, and one side of the outer ring, which is far away from the partition plate, is fixedly provided with a polishing layer.

The utility model has the following beneficial effects:

1. compared with the prior art, this sealed double-row angular contact bearing through setting up stop device, can let limiting plate and rubber slab carry on spacingly to the steel ball, lets the steel ball stall for the outer lane can't continue to rotate, need not to dismantle, just can make the object become fixed connection from rotating the connection, and it is very convenient to use.

2. Compared with the prior art, the sealed double-row angular contact bearing has the advantages that the sealing device is arranged, the steel balls can be better protected, the friction force between the inner ring and an object can be increased by arranging the wear-resistant layer, and the inner ring and the object are more firmly fixed.

Drawings

Fig. 1 is a schematic overall structure diagram of a sealed double-row angular contact bearing according to the present invention;

FIG. 2 is a schematic view of a sealing device of a sealed double-row angular contact bearing according to the present invention;

FIG. 3 is a schematic diagram of a limiting device of a sealed double-row angular contact bearing according to the present invention;

fig. 4 is a front view of a sealed double row angular contact bearing according to the present invention.

Illustration of the drawings:

1. an inner ring; 2. a sealing device; 3. an outer ring; 4. a partition plate; 5. a polishing layer; 6. a steel ball; 7. a wear layer; 8. a first groove; 9. a second groove; 10. an iron block; 21. a sealing block; 22. a limiting device; 23. a storage tank; 24. a rubber plug; 221. a screw; 222. a limiting plate; 223. a rubber plate; 224. a spring; 225. a nut; 226. a cross-shaped groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a sealed double row angular contact bearing: including inner circle 1, two No. two recesses 9 have been seted up to 1 lateral wall of inner circle, 1 lateral wall fixed mounting of inner circle has baffle 4, the inside iron plate 10 that is provided with of baffle 4, the one end sliding connection that inner circle 1 was kept away from to baffle 4 has outer lane 3, two a recess 8 have been seted up to one side that outer lane 3 is close to baffle 4, be provided with steel ball 6 between a recess 8 and No. two recesses 9, steel ball 6 and a recess 8 lateral wall fixed connection, 1 lateral wall fixed mounting of inner circle has two sealing device 2.

Sealing device 2 is including sealed piece 21, sealed

piece

21 and 1 lateral wall fixed connection of inner circle, and storage tank 23 has been seted up to sealed piece 21 lateral wall, and storage tank 23 opening part is provided with rubber buffer 24, and the activity of sealed piece 21 lateral wall is run through there is stop device 22, and rubber buffer 24 can seal the opening of storage tank 23.

Stop device 22 includes screw rod 221, and the activity of screw rod 221 runs through sealed piece 21 lateral wall, and the movable cover of screw rod 221 surface is equipped with spring 224, and screw rod 221 tip fixed mounting has rotating assembly, and spring 224 can play the cushioning effect.

The rotating assembly comprises a screw cap 225, the screw cap 225 is fixedly connected with the end of the screw rod 221, a cross-shaped groove 226 is formed in one side, away from the screw rod 221, of the screw cap 225, two ends of a spring 224 are fixedly connected with the sealing block 21 and the screw cap 225 respectively, a limiting assembly is fixedly mounted at one end, away from the screw cap 225, of the screw rod 221, and the screw cap 225 can be easily rotated by the screwdriver due to the cross-shaped groove 226.

The limiting component comprises a limiting plate 222, the limiting plate 222 is fixedly connected with one end, far away from the nut 225, of the screw 221, a rubber plate 223 is fixedly mounted on one side, far away from the screw 221, of the limiting plate 222, and the rubber plate 223 can well limit the steel ball 6.

The inner side wall of the inner ring 1 is fixedly provided with a wear-resistant layer 7, one side, far away from the partition plate 4, of the outer ring 3 is fixedly provided with a polishing layer 5, and the friction force between the inner ring 1 and an object can be increased by arranging the wear-resistant layer 7, so that the inner ring 1 and the object are fixed more firmly.

The working principle is as follows: can reduce steel ball 6 position through setting up baffle 4 and appear deviating, the inside iron plate 10 that sets up of baffle 4 can reduce baffle 4's deformation, can increase the frictional force of inner circle 1 and object through setting up wearing layer 7, it is more firm to make inner circle 1 and object fix, through setting up sealing device 2, can play spacing effect to steel ball 6, when not using bearing pivoted function, extract rubber buffer 24 from storage tank 23, utilize screwdriver rotation nut 225, make spring 224 take place the compression, let screw 221 remove to the direction that is close to steel ball 6, make limiting plate 222 and rubber slab 223 carry on spacingly to steel ball 6, let steel ball 6 stall, make outer lane 3 can't continue to rotate.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. Sealed double row angular contact bearing, including inner circle (1), its characterized in that: two No. two recesses (9) have been seted up to inner circle (1) lateral wall, inner circle (1) lateral wall fixed mounting has baffle (4), baffle (4) inside is provided with iron plate (10), the one end sliding connection that inner circle (1) was kept away from in baffle (4) has outer lane (3), two a recess (8) have been seted up to one side that outer lane (3) are close to baffle (4), be provided with steel ball (6) between a recess (8) and No. two recess (9), steel ball (6) and recess (8) lateral wall fixed connection, inner circle (1) lateral wall fixed mounting has two sealing device (2).

2. The sealed double row angular contact bearing according to claim 1, wherein: sealing device (2) are including sealed piece (21), sealed piece (21) and inner circle (1) lateral wall fixed connection, storage tank (23) have been seted up to sealed piece (21) lateral wall, storage tank (23) opening part is provided with rubber buffer (24), sealed piece (21) lateral wall activity runs through stop device (22).

3. The sealed double row angular contact bearing according to claim 2, wherein: stop device (22) include screw rod (221), sealed piece (21) lateral wall is run through in screw rod (221) activity, screw rod (221) surface activity cover is equipped with spring (224), screw rod (221) tip fixed mounting has rotating assembly.

4. A sealed double row angular contact bearing according to claim 3, wherein: the rotating assembly comprises a screw cap (225), the screw cap (225) is fixedly connected with the end of the screw rod (221), a cross groove (226) is formed in one side, away from the screw rod (221), of the screw cap (225), two ends of a spring (224) are fixedly connected with the sealing block (21) and the screw cap (225) respectively, and a limiting assembly is fixedly mounted at one end, away from the screw cap (225), of the screw rod (221).

5. The sealed double row angular contact bearing according to claim 4, wherein: the limiting assembly comprises a limiting plate (222), the limiting plate (222) is fixedly connected with one end, far away from the nut (225), of the screw rod (221), and a rubber plate (223) is fixedly mounted on one side, far away from the screw rod (221), of the limiting plate (222).

6. The sealed double row angular contact bearing according to claim 1, wherein: the inner ring (1) inner side wall is fixedly provided with a wear-resistant layer (7), and one side, far away from the partition plate (4), of the outer ring (3) is fixedly provided with a polishing layer (5).