CN219101857U

CN219101857U - Double-row cylindrical roller bearing with good sealing performance

Info

Publication number: CN219101857U
Application number: CN202223250749.0U
Authority: CN
Inventors: 张风恕; 张颖; 孙畅; 于成斌; 崔兴国; 王传智
Original assignee: Wafangdian Dongxu Non Standard Shaft Group Co ltd
Current assignee: Wafangdian Dongxu Non Standard Shaft Group Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-05-30
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a double-row cylindrical roller bearing with good sealing performance, which belongs to the technical field of bearings, and comprises a bearing, wherein the front face and the back face of the bearing are connected with blocking assemblies through fixing assemblies, the surfaces of the two blocking assemblies, which are close to each other, are connected with the bearing through sealing assemblies, oiling assemblies are arranged in the two blocking assemblies, a plurality of limiting assemblies are arranged on the surfaces of the two blocking assemblies, which are close to each other, the two baffles are screwed into a first thread groove through arranging baffles, an inner ring, an outer ring, balls, a sealing ring and a sealing groove, deformed rubber pads can lock the thread ring in the first thread groove, so that the two baffles are fixed in front of and behind the inner ring, and simultaneously, the two baffles drive a plurality of balls to contact with the rollers through a plurality of threaded rods, so that the balls are stably limited in a retainer.

Description

Double-row cylindrical roller bearing with good sealing performance

Technical Field

The utility model belongs to the technical field of bearings, and particularly relates to a double-row cylindrical roller bearing with good sealing performance.

Background

Bearings are an important component in contemporary mechanical devices. Its main function is to support the mechanical rotator, reduce the friction coefficient in the course of its movement and ensure its rotation accuracy. The existing equipment provided with the bearing can be applied to places with poor environment, the bearing is affected by dust and moisture during operation, so that dust and moisture can be attached to the surface of the roller to cause rust damage of the roller, the service life of the bearing is reduced, and therefore a double-row cylindrical roller bearing with good sealing performance is needed to solve the problems.

Disclosure of Invention

In order to overcome the defects, the utility model provides the double-row cylindrical roller bearing with good sealing performance, and the problem that bearing rollers in the bearing possibly rust due to dust and moisture are attached is solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a biserial cylindrical roller bearing that leakproofness is good, includes the bearing, the front and the back of bearing all are connected with blocking the subassembly through fixed subassembly, and two one side that block the subassembly and be close to all are connected with the bearing through sealing component, all are equipped with the oiling subassembly in two blocking the subassembly, and two one side that block the subassembly and be close to all are equipped with a plurality of spacing subassembly.

As a further aspect of the utility model: the bearing comprises an inner ring, two fixing assemblies are respectively arranged on the front surface and the back surface of the inner ring, the inner ring is overlapped with the outer ring through a plurality of rollers, the plurality of rollers are all arranged in a retainer, the retainer is arranged between the outer ring and the inner ring, the plurality of rollers are overlapped with a limiting assembly, and two sealing assemblies are respectively arranged on the front surface and the back surface of the outer ring.

As a further aspect of the utility model: the fixed subassembly includes first thread groove, first thread groove is seted up in the inner circle, first thread groove interconnect has the rubber pad, the rubber pad overlaps with the screwed ring, screwed ring threaded connection is in first thread groove, the screwed ring is connected with blocking the subassembly.

As a further aspect of the utility model: the blocking assembly comprises a baffle, the baffle is connected with the threaded ring, a plurality of operation grooves are formed in the baffle, the baffle is connected with the sealing assembly, and the limiting assembly is arranged in the baffle.

As a further aspect of the utility model: the sealing assembly comprises a sealing ring, the sealing ring is connected with the baffle, the sealing ring is arranged in a sealing groove, and the sealing groove is arranged in the outer ring.

As a further aspect of the utility model: the oiling assembly comprises an oiling pipe, the oiling pipe is clamped in the baffle, and the inner thread of the oiling pipe is connected with a thread column.

As a further aspect of the utility model: the limiting assembly comprises a second thread groove, the second thread groove is formed in the baffle, a threaded rod is connected with the second thread groove in a threaded mode, balls are clamped in the threaded rod, and the balls are in lap joint with the rollers.

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

1. this biserial cylindrical roller bearing that leakproofness is good, through setting up baffle, the inner circle, the outer lane, the ball, sealing ring and seal groove, precess two baffles in first thread groove, the rubber pad of warp can lock the thread ring in first thread groove, make two baffles fix in the place ahead and the rear of inner circle, two baffles all drive a plurality of ball and roller contact through a plurality of threaded rod simultaneously, make the spacing that the ball is firm in the holder, outer lane and inner circle spacing fix between two baffles simultaneously, when the bearing receives radial load, the dislocation can not take place between roller, the holder, outer lane and the inner circle, make the bearing can not take place to damage when receiving radial load, simultaneously by two baffles, two thread rings, two first thread grooves, two sealing rings and two seal groove mutually support the protective structure that constitutes can block the clearance between outer lane and the inner circle, make external dust and liquid can not move to between outer lane and the inner circle and then cause the damage to the roller, normal life of bearing has been guaranteed.

2. This biserial cylindrical roller bearing that leakproofness is good, through setting up the filler pipe, the screw thread post, the baffle, the screwed ring, first thread groove, sealing ring and seal groove, shift out the screw thread post from the filler pipe in, input lubricating oil in the clearance between outer lane and the inner circle through the filler pipe, the clearance between outer lane and the inner circle can be blocked by two baffles, two screwed rings, two first thread grooves, two sealing rings and two seal groove mutually support the protective structure that constitutes, make lubricating oil can be sealed between outer lane and inner circle, when the inner circle rotates, lubricating oil can be under the effect of rotating the inner circle even attachment at the roller surface, make the bearing can evenly and quick carry out lubricating operation.

3. This biserial cylindrical roller bearing that leakproofness is good, through setting up screwed ring, first thread groove, rubber pad, rotate two baffles, the baffle drives screwed ring precession first thread inslot, and pivoted screwed ring and rubber pad contact and then extrude the rubber pad in first thread groove, and the rubber pad takes place to warp, and the rubber pad of warp can lock the screwed ring in first thread groove for the screwed ring can not rotate in first thread groove and then lead to the screwed ring to drop from the inner circle.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a side view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic view of a cross-sectional structure of a rear perspective of a threaded ring according to the present utility model;

FIG. 5 is a schematic view of a partial perspective cutaway structure of a baffle plate of the present utility model;

in the figure: 1 bearing, 11 inner ring, 12 retainer, 13 roller, 14 outer ring, 2 fixed component, 21 first screw thread groove, 22 rubber pad, 23 screw thread ring, 3 blocking component, 31 baffle, 32 operation groove, 4 sealing component, 41 sealing ring, 42 seal groove, 5 oiling component, 51 oiling pipe, 52 screw thread post, 6 spacing component, 61 second screw thread groove, 62 threaded rod, 63 ball.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

As shown in fig. 1-5, the present utility model provides a technical solution: the double-row cylindrical roller bearing with good tightness comprises a bearing 1, wherein the bearing 1 comprises an inner ring 11, two fixing components 2 are respectively arranged on the front surface and the back surface of the inner ring 11, the inner ring 11 is overlapped with an outer ring 14 through a plurality of rollers 13, the rollers 13 are respectively arranged in a retainer 12, the retainer 12 is arranged between the outer ring 14 and the inner ring 11, the rollers 13 are overlapped with a limiting component 6, two sealing components 4 are respectively arranged on the front surface and the back surface of the outer ring 14, the front surface and the back surface of the bearing 1 are respectively connected with a blocking component 3 through the fixing components 2, the fixing components 2 comprise a first thread groove 21, the first thread groove 21 is formed in the inner ring 11, a rubber pad 22 is connected in the first thread groove 21, the rubber pad 22 is overlapped with the thread ring 23, the thread ring 23 is connected in the first thread groove 21, the thread ring 23 is connected with the blocking component 3, the deformed rubber pad 22 can lock the thread ring 23 in the first thread groove 21, when the bearing 1 is in use, the thread ring 23 cannot rotate in the first thread groove 21 and further cause the thread ring 23 to drop from the inner ring 11, and the thread ring 23 can be firmly screwed into the inner ring 31;

one surface of the two blocking components 3, which is close to each other, is connected with the bearing 1 through the sealing component 4, the blocking components 3 comprise a baffle plate 31, the baffle plate 31 is connected with the threaded ring 23, a plurality of operation grooves 32 are formed in the baffle plate 31, and a user can conveniently rotate the baffle plate 31 through the operation grooves 32 by arranging the operation grooves 32;

the baffle plate 31 is connected with the seal assembly 4, the limit assembly 6 is arranged in the baffle plate 31, the seal assembly 4 comprises a seal ring 41, the seal ring 41 is connected with the baffle plate 31, the seal ring 41 is arranged in a seal groove 42, the seal groove 42 is arranged in the outer ring 14, the seal ring 41 and the seal groove 42 are rotationally connected in the seal groove 42 by arranging the seal ring 41 and the seal groove 42, the seal ring 41 and the seal groove 42 are all circular in shape, and the circular seal ring 41 and the seal groove 42 are matched with each other to tightly seal a gap between the outer ring 14 and the baffle plate 31;

the two blocking assemblies 3 are internally provided with the oiling assemblies 5, the oiling assemblies 5 comprise an oiling pipe 51, the oiling pipe 51 is clamped in the baffle plate 31, the oiling pipe 51 is internally connected with a threaded column 52 in a threaded manner, the threaded column 52 screwed into the oiling pipe 51 can block the oiling pipe 51 through the threaded column 52, and lubrication between the outer ring 14 and the inner ring 11 can not flow out of the oiling pipe 51;

a plurality of limiting assemblies 6 are arranged on the surfaces, close to each other, of the two blocking assemblies 3, each limiting assembly 6 comprises a second thread groove 61, each second thread groove 61 is formed in the corresponding baffle 31, each second thread groove 61 is internally connected with a threaded rod 62 in a threaded manner, and through the arrangement of the corresponding second thread groove 61 and the corresponding threaded rod 62, the corresponding threaded rod 62 and the corresponding second thread groove 61 are matched with each other to connect the corresponding ball 63 with the corresponding baffle 31;

the ball 63 is clamped in the threaded rod 62, the ball 63 is lapped with the roller 13, and by arranging the ball 63, when the baffle 31 is contacted with the ball 63 through the threaded column 52, the ball 63 can limit the roller 13, and when the roller 13 rotates, the rotating roller 13 can drive the ball 63 to rotate in the threaded rod 62, so that the rotating roller 13 can not drive the threaded rod 62 to rotate in the second threaded groove 61 through the ball 63.

The working principle of the utility model is as follows: when the bearing is required to be used, the two baffles 31 are rotated, the baffles 31 drive the threaded ring 23 to be screwed into the first threaded groove 21, the threaded ring 23 rotating in the first threaded groove 21 is contacted with the rubber pad 22 so as to squeeze the rubber pad 22, the deformed rubber pad 22 can lock the threaded ring 23 in the first threaded groove 21, so that the two baffles 31 are fixed in front of and behind the inner ring 11, simultaneously the two baffles 31 drive the sealing ring 41 to move into the sealing groove 42, simultaneously the two baffles 31 drive the plurality of balls 63 to be contacted with the rollers 13 through the plurality of threaded rods 62, the balls 63 are firmly limited in the retainer 12, simultaneously the outer ring 14 and the inner ring 11 are limited and fixed between the two baffles 31, when the bearing 1 is subjected to radial load, dislocation does not occur between the roller 13, the retainer 12, the outer ring 14 and the inner ring 11, the threaded column 52 is reversed, the threaded column 52 is moved out of the filler pipe 51, lubricating oil is input into a gap between the outer ring 14 and the inner ring 11 through the filler pipe 51, then the threaded column 52 is screwed into the filler pipe 51, the gap between the outer ring 14 and the inner ring 11 can be blocked due to a protective structure formed by mutually matching the two baffles 31, the two threaded rings 23, the two first threaded grooves 21, the two sealing rings 41 and the two sealing grooves 42, so that the lubricating oil can be sealed between the outer ring 14 and the inner ring 11, and when the inner ring 11 rotates, the lubricating oil can be uniformly adhered to the surface of the roller 13 under the action of the rotating inner ring 11.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.

Claims

1. Double-row cylindrical roller bearing that leakproofness is good, including bearing (1), its characterized in that: the front and the back of bearing (1) all are connected with stop subassembly (3) through fixed subassembly (2), and two one side that stop subassembly (3) are close to all are connected with bearing (1) through seal assembly (4), all are equipped with oiling subassembly (5) in two stop subassembly (3), and two one side that stop subassembly (3) are close to all are equipped with a plurality of spacing subassembly (6).

2. The double-row cylindrical roller bearing with good sealing performance according to claim 1, wherein: the bearing (1) comprises an inner ring (11), two fixing assemblies (2) are respectively arranged on the front side and the back side of the inner ring (11), the inner ring (11) is lapped with an outer ring (14) through a plurality of rollers (13), the plurality of rollers (13) are all arranged in a retainer (12), the retainer (12) is arranged between the outer ring (14) and the inner ring (11), the plurality of rollers (13) are lapped with a limiting assembly (6), and two sealing assemblies (4) are respectively arranged on the front side and the back side of the outer ring (14).

3. The double-row cylindrical roller bearing with good sealing performance according to claim 2, wherein: the fixing assembly (2) comprises a first thread groove (21), the first thread groove (21) is formed in the inner ring (11), a rubber pad (22) is connected in the first thread groove (21), the rubber pad (22) is overlapped with a thread ring (23), the thread ring (23) is connected in the first thread groove (21) in a threaded mode, and the thread ring (23) is connected with the blocking assembly (3).

4. A double row cylindrical roller bearing with good sealing performance according to claim 3, wherein: the blocking assembly (3) comprises a baffle plate (31), the baffle plate (31) is connected with the threaded ring (23), a plurality of operation grooves (32) are formed in the baffle plate (31), the baffle plate (31) is connected with the sealing assembly (4), and the limiting assembly (6) is arranged in the baffle plate (31).

5. The double-row cylindrical roller bearing with good sealing performance according to claim 4, wherein: the sealing assembly (4) comprises a sealing ring (41), the sealing ring (41) is connected with the baffle plate (31), the sealing ring (41) is arranged in a sealing groove (42), and the sealing groove (42) is arranged in the outer ring (14).

6. The double-row cylindrical roller bearing with good sealing performance according to claim 4, wherein: the oiling assembly (5) comprises an oiling pipe (51), the oiling pipe (51) is clamped in the baffle (31), and a threaded column (52) is connected in the oiling pipe (51) in a threaded mode.

7. The double-row cylindrical roller bearing with good sealing performance according to claim 4, wherein: spacing subassembly (6) include second thread groove (61), second thread groove (61) are seted up in baffle (31), second thread groove (61) internal thread connection has threaded rod (62), joint has ball (63) in threaded rod (62), ball (63) overlap joint with roller (13).