CN212455228U

CN212455228U - Bearing with good sealing performance

Info

Publication number: CN212455228U
Application number: CN202021163425.1U
Authority: CN
Inventors: 曾令勇; 王铁忠; 杨忠木
Original assignee: Changzhou Wujin Yongda Mechanical Bearing Co ltd
Current assignee: Changzhou Wujin Yongda Mechanical Bearing Co ltd
Priority date: 2020-06-20
Filing date: 2020-06-20
Publication date: 2021-02-02
Anticipated expiration: 2030-06-20

Abstract

The utility model discloses a bearing with good sealing performance, which comprises an outer ring and an inner ring, wherein the inner ring is sleeved in the outer ring, the outer ring inner ring and the inner ring outer ring are provided with rolling element grooves, a plurality of rolling elements capable of rolling in the rolling element grooves are arranged in the rolling element grooves, the rolling elements are fixed through a fixing frame, the fixing frame is divided into a front fixing frame and a rear fixing frame which are sleeved on the surfaces of the rolling elements, a plurality of through holes are arranged on the two fixing frames, two side surfaces between the inner ring and the outer ring are provided with sealing cover grooves, sealing covers are arranged in the two sealing cover grooves, a pipe A and a pipe B which are sleeved with each other are arranged between the two sealing covers, the pipe B is fixed in the pipe A through a buckle, the pipe A passes through the through holes on the two fixing frames, a plurality of oil storage chambers are arranged in the contact surfaces of the sealing cover grooves and the, so as to reduce the friction force between the sealing cover and the sealing cover groove and improve the wear resistance and the sealing performance of the sealing cover.

Description

Bearing with good sealing performance

Technical Field

The utility model relates to a bearing technical field specifically is a bearing that leakproofness is good.

Background

It is well known that bearings are typically sealed on both sides during use to prevent dust particles from entering between the inner and outer races of the bearing, thereby causing severe wear of the rollers between the inner and outer races.

In the prior art, the two-side sealing of some bearings is realized by bearing end covers, and some bearings are realized by sealing rings arranged between inner rings and outer rings on the bearings, so that the conditions of poor sealing, easy falling and the like exist when the bearing end covers and the sealing rings are used for a long time.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a bearing that the leakproofness is good.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bearing that leakproofness is good, including outer loop and inner ring, the inner ring overlaps in the outer loop, outer loop inner circle and inner ring outer lane are equipped with the rolling element groove, the several rolling element is installed to the rolling element inslot, the rolling element can be at the rolling element inslot roll, the rolling element passes through the mount to be fixed, the mount is two and cover on the ball surface around for, be provided with the several through-hole on the mount, both sides face between inner ring and the outer loop is equipped with sealed lid groove, sealed lid inslot is equipped with sealed lid, be equipped with pipe A and pipe B that cup joint each other between the sealed lid, pipe B passes through the buckle and fixes in pipe A.

Furthermore, the outer ring and the inner ring are made of high-wear-resistance metal materials.

Furthermore, the rolling bodies are balls and are made of high-abrasion-resistance metal materials.

Further, the material of the sealing cover is high-hardness plastic.

Furthermore, a plurality of oil storage chambers are arranged inside the contact surface between the sealing cover groove and the sealing cover, and an oil conveying pipe is arranged between the oil storage chambers and the surface of the sealing cover groove.

Further, the buckle of pipe B and pipe A is the circular lug on the pipe B outer wall and the circular recess cooperation of pipe A inner wall.

Furthermore, a plurality of rectangular teeth are arranged on the tube B, and round convex blocks on the outer wall of the tube B are arranged on the rectangular teeth.

Furthermore, the circular convex blocks on the outer wall of the tube B and the circular grooves on the inner wall of the tube A are uniformly distributed in layers.

(III) advantageous effects

Compared with the prior art, the utility model provides a bearing that leakproofness is good possesses following beneficial effect:

this bearing that leakproofness is good is equipped with the several oil storage chamber through the inside several oil storage chamber that is equipped with of the contact surface of sealed lid groove and sealed lid, is equipped with defeated oil pipe between oil storage chamber and the sealed lid groove surface to reduce the frictional force in sealed lid and the sealed lid groove, promote the wearability and the leakproofness of sealed lid, through the circular lug on the pipe B outer wall and the circular recess of pipe A inner wall for layer evenly distributed's cooperation, can make the more stable fixed of sealed lid.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

FIG. 3 is a partially enlarged schematic view of a portion A shown in FIG. 1 according to the present invention;

fig. 4 is a partially enlarged structural view of a portion B shown in fig. 2 according to the present invention;

in the figure: 1. an outer ring; 2. an inner ring; 3. a rolling body; 4. a fixed mount; 5. a sealing cover; 6. a tube A; 7. A tube B; 8. an oil storage chamber; 9. an oil delivery pipe; 10. rectangular tooth.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, the utility model discloses a bearing with good sealing performance, including outer loop 1 and inner ring 2, a serial communication port, inner ring 2 overlaps in outer loop 1, outer loop 1 inner circle and inner ring 2 outer lane are equipped with the rolling element groove, the rolling element inslot is installed several rolling element 3, rolling element 3 can roll at the rolling element inslot, rolling element 3 is fixed through mount 4, mount 4 is two and cover on the ball surface around, be provided with the several through-hole on mount 4, the both sides face between inner ring 2 and the outer loop 1 is equipped with sealed lid groove, sealed lid inslot is equipped with sealed lid 5, be equipped with pipe A6 and pipe B7 that cup joint each other between the sealed lid 5, pipe B7 passes through the buckle to be fixed in pipe A6, pipe A6 passes through-hole on two mount.

Wherein, outer loop 1 and inner ring 2 all adopt high wear-resisting metal material, promote overall stability and improve the wearability of outer loop 1 and inner ring 2.

Wherein, rolling element 3 is the ball, and the material is high wear-resisting metal material, promotes overall stability and improves the wearability of rolling element 3.

Wherein, the material of the sealing cover 5 is high-hardness plastic, so that the sealing cover 5 has higher strength.

Wherein, sealed lid groove and the inside several oil storage chamber 8 that is equipped with of the contact surface of sealed lid 5, be equipped with defeated oil pipe 9 between oil storage chamber 8 and the sealed lid groove surface, reduce the frictional force in sealed lid 5 and the sealed lid groove, promote the wearability and the leakproofness of sealed lid 5.

Wherein, the buckle of pipe B7 and pipe A6 is the circular convex block on the pipe B7 outer wall and the circular recess cooperation of pipe A6 inner wall, and through the cooperation of circular convex block and circular recess, when can the sealed lid 5 of chucking, also can open sealed lid 5 when needing.

Wherein, be equipped with several rectangular tooth 10 on the pipe B7, the circular convex block setting on the pipe B7 outer wall is on rectangular tooth 10, can make things convenient for the installation and the dismantlement of sealed lid 5.

Wherein, the circular lug on the outer wall of the tube B7 and the circular groove on the inner wall of the tube A6 are uniformly distributed in layers, so that the sealing cover 5 can be more stably fixed.

To sum up, this kind of bearing that leakproofness is good, when using, rotate

inner ring

2, 3 grooves of rolling element on the inner ring 2 outer lane drive the rolling element 3 through the friction rotatory, make the stable operation of bearing, sealed lid groove between inner ring 2 and the outer loop 1 also rotates along with the rotation of inner ring 2 with sealed lid 5, carry sealed lid groove surface through defeated oil pipe 9 with the lubricating oil in the oil storage chamber 8 to reach good lubricated effect and leakproofness, when overhauing or adding oil, can break sealed lid 5 with fingers and thumb slightly hard and operate.

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. A bearing with good sealing performance comprises an outer ring (1) and an inner ring (2), and is characterized in that the inner ring (2) is sleeved in the outer ring (1), rolling body grooves are formed in the inner ring of the outer ring (1) and the outer ring of the inner ring (2), a plurality of rolling bodies (3) are installed in the rolling body grooves, the rolling bodies (3) can roll in the rolling body grooves, the rolling bodies (3) are fixed through a fixing frame (4), the fixing frame (4) is divided into a front fixing frame and a rear fixing frame which are sleeved on the surfaces of rolling balls, a plurality of through holes are formed in the fixing frame (4), sealing cover grooves are formed in two side faces between the inner ring (2) and the outer ring (1), sealing covers (5) are arranged in the sealing cover grooves, a pipe A (6) and a pipe B (7) which are sleeved with each other are arranged between the sealing covers (5), and the pipe B (7, the pipe A (6) passes through the through holes on the front and the rear fixing frames (4).

2. A good sealing bearing according to claim 1, wherein the outer ring (1) and the inner ring (2) are made of high wear-resistant metal material.

3. A good sealing bearing according to claim 1, wherein said rolling elements (3) are balls and are made of a high wear-resistant metal material.

4. A good sealing bearing according to claim 1, wherein the material of the sealing cover (5) is high hardness plastic.

5. The bearing with good sealing performance according to claim 1, wherein a plurality of oil storage chambers (8) are arranged inside the contact surface between the sealing cover groove and the sealing cover (5), and an oil delivery pipe (9) is arranged between the oil storage chambers (8) and the surface of the sealing cover groove.

6. A good sealing bearing according to claim 1, wherein the tube B (7) and the tube a (6) are fastened by a circular projection on the outer wall of the tube B (7) and a circular groove on the inner wall of the tube a (6).

7. A kind of good airproof bearing according to claim 6, characterized by that, there are several rectangular teeth (10) on the said tube B (7), the round lobe on the outer wall of the said tube B (7) is set up on rectangular tooth (10).

8. A kind of good sealing bearing according to claim 6, characterized by that, the round projection on the outer wall of the said tube B (7) and the round recess on the inner wall of the said tube A (6) are 3 layers of uniform distribution.