CN210034181U

CN210034181U - Detachable bearing

Info

Publication number: CN210034181U
Application number: CN201920635813.6U
Authority: CN
Inventors: 葛波达; 赵永辉
Original assignee: Ningbo Zhenhai Engel Bearing Co Ltd
Current assignee: Ningbo Zhenhai Engel Bearing Co Ltd
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-02-07
Anticipated expiration: 2029-05-06

Abstract

The utility model discloses a can dismantle bearing, its technical scheme main points are including the inner circle, the outer lane, ball and stand, the stand is including laminating each other in order to carry out the first locating rack and the second locating rack of location to the ball, the outer lane is including first circle body and second circle body, the internal diameter and the external diameter homogeneous phase of first circle body and second circle body, the terminal surface homogeneous phase of first circle body and second circle body outwards extends and forms first bulge loop and second bulge loop respectively, be provided with a plurality of lugs on the lateral surface of second bulge loop, the concave spout that is equipped with a plurality of confession lugs and slides on the medial surface of first bulge loop, the spout all sets up to "L" shape, after the lug got into the spout from spout one end, rotatory second circle body makes the lug slide to the spout other end, first circle body is connected with the second circle body this moment. The bearing can be detached, a user can replace a damaged part in the bearing conveniently, the service life of the bearing is prolonged, and the use cost of the bearing is reduced.

Description

Detachable bearing

Technical Field

The utility model relates to a bearing field, more specifically the utility model relates to a can dismantle bearing that says so.

Background

The bearing enterprises in China are located in Japan, USA and Germany in the fourth world. However, compared with the world bearing industry, the bearing industry in China has a large gap, and the gap is mainly expressed by high precision, high technical content, low proportion of high value-added products, poor product stability, low reliability, short service life and the like.

For most of the existing bearings, once damaged, the bearings can not be maintained and can only be integrally replaced, so that great waste is caused, the existing bearings are assembled into finished parts, users only have the use capacity and can not disassemble, great inconvenience is caused to individuals in the use and maintenance processes, and the use cost of the bearings is increased to a certain extent.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a can dismantle bearing, this bearing can be dismantled, and the user of being convenient for changes the damaged part in to the bearing, improves the life of bearing, has reduced the use cost of bearing.

In order to achieve the above purpose, the utility model provides a following technical scheme: a detachable bearing comprises an inner ring, an outer ring, balls and a support frame, wherein annular grooves for axially positioning the balls are formed in the outer wall of the inner ring and the inner wall of the outer ring, the support frame comprises a first positioning frame and a second positioning frame which are attached to each other to position the balls, the outer ring comprises a first ring body and a second ring body, the inner diameter and the outer diameter of the first ring body and the outer diameter of the second ring body are the same, the end faces of the first ring body and the second ring body extend outwards to form a first convex ring and a second convex ring respectively, the outer diameter of the first convex ring is the same as the outer diameter of the first ring body, the inner diameter of the first convex ring is the same as the outer diameter of the second convex ring, a plurality of convex blocks are arranged on the outer side face of the second convex ring, a plurality of sliding chutes for the convex blocks to slide are concavely formed on the inner side face of the first convex ring, the sliding grooves are all arranged to be L-shaped, after the protruding blocks enter the sliding grooves from one ends of the sliding grooves, the second ring body is rotated to enable the protruding blocks to slide to the other ends of the sliding grooves, and at the moment, the first ring body is connected with the second ring body.

As a further improvement, the plurality of bumps are arranged along the annular uniform distribution of the central axis of the first convex ring, and the plurality of chutes and the plurality of bumps are in one-to-one correspondence.

As a further improvement, the two end faces of the first ring body and the second ring body, which are away from each other, all extend to the central axis to form a first separation blade and a second separation blade, and the inner diameter of the first separation blade and the second separation blade is larger than the outer diameter of the inner ring.

As a further improvement, under first circle body and the second circle body connected state, when distance between first separation blade and the second separation blade equals first locating rack and the mutual laminating of second locating rack, the axial distance of department is kept away from each other to first locating rack and second locating rack.

As a further improvement, first locating rack is provided with the locating hole in first locating rack and second locating rack laminating department, the second locating rack corresponds in second locating rack and first locating rack laminating department and is provided with the pilot pin that is used for passing the locating hole, pilot pin and second locating rack fixed connection, the external diameter of pilot pin and the internal diameter looks adaptation of locating hole.

The utility model has the advantages that:

1. the first ring body and the second ring body are detachably connected through the convex blocks and the sliding grooves, so that a user can automatically detach the bearing and replace part of parts of the bearing, and the replacement cost of the bearing is reduced.

2. First separation blade and the setting of second separation blade, both have the effect that blocks dust or pollutant and enter into the bearing, be favorable to improving bearing life, can be again in first circle body and second circle body coupling back, keep the laminating state of first locating rack and second locating rack, and dismantle the back at first circle body and second circle body, first locating rack also can part from each other with the second locating rack, consequently this bearing can be dismantled completely, the degree of dismantling of this bearing has further been improved, the replacement cost of bearing has further been reduced.

Drawings

FIG. 1 is a schematic view of a removable bearing;

fig. 2 is a schematic perspective view of the first ring body.

Reference numerals: 1. an inner ring; 11. an annular groove; 2. an outer ring; 21. a first ring body; 22. a second ring body; 23. a first convex ring; 231. a chute; 24. a second convex ring; 241. a bump; 25. a first baffle plate; 26. a second baffle plate; 3. a ball bearing; 4. a holder; 41. a first positioning frame; 411. positioning holes; 42. a second positioning frame; 421. and (4) positioning the bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 2, a detachable bearing of this embodiment includes an inner ring 1, an outer ring 2, balls 3, and a holder 4, wherein an outer wall of the inner ring 1 and an inner wall of the outer ring 2 are respectively provided with an annular groove 11 for axially positioning the balls 3, the holder 4 includes a first holder 41 and a second holder 42 attached to each other to position the balls 3, the outer ring 2 includes a first ring body 21 and a second ring body 22, inner diameters and outer diameters of the first ring body 21 and the second ring body 22 are the same, end surfaces of the first ring body 21 and the second ring body 22 respectively extend outward to form a first protruding ring 23 and a second protruding ring 24, an outer diameter of the first protruding ring 23 is the same as an outer diameter of the first ring body 21, an inner diameter of the first protruding ring 23 is the same as an outer diameter of the second protruding ring 24, an inner diameter of the second protruding ring 24 is the same as an inner diameter of the second ring body 22, an outer side surface of the second protruding ring 24 is provided with a plurality of protrusions 241, the inner side surface of the first convex ring 23 is concavely provided with a plurality of sliding grooves 231 for the protruding blocks 241 to slide, the sliding grooves 231 are all arranged in an L shape, after the protruding blocks 241 enter the sliding grooves 231 from one end of the sliding grooves 231, the second ring body 22 is rotated to enable the protruding blocks 241 to slide to the other end of the sliding grooves 231, and at the moment, the first ring body 21 is connected with the second ring body 22. The upper half part of the annular groove 11 should be located on the first ring body 21, and the lower half part should be located on the second ring body 22, and after the first ring body 21 and the second ring body 22 are connected, the annular groove 11 is spliced into a whole. The first ring body 21 and the second ring body 22 are detachably connected through the protruding block 241 and the sliding groove 231, so that a user can disassemble the bearing by himself or replace part of parts of the bearing, and the replacement cost of the bearing is reduced.

As a modified specific embodiment, the plurality of protrusions 241 are uniformly distributed along the central axis of the first protruding ring 23 in an annular manner, and the plurality of sliding grooves 231 are disposed in one-to-one correspondence with the plurality of protrusions 241. When one projection 241 enters one sliding groove 231, the other projections 241 can enter the other sliding grooves 231 at the same time.

As a modified specific embodiment, two end faces of the first ring body 21 and the second ring body 22, which are away from each other, extend towards the central axis to form a first blocking piece 25 and a second blocking piece 26, and the inner diameters of the first blocking piece 25 and the second blocking piece 26 are both larger than the outer diameter of the inner ring 1. The arrangement of the first blocking sheet 25 and the second blocking sheet 26 has the function of blocking dust or pollutants from entering the bearing, and is beneficial to prolonging the service life of the bearing.

As a modified specific embodiment, in a state where the first ring body 21 and the second ring body 22 are connected, a distance between the first blocking piece 25 and the second blocking piece 26 is equal to an axial distance where the first positioning frame 41 and the second positioning frame 42 are away from each other when the first positioning frame 41 and the second positioning frame 42 are attached to each other. That is, after the first ring body 21 is connected with the second ring body 22, the first positioning frame 41 and the second positioning frame 42 are kept in a fit state under the clamping of the first blocking piece 25 and the second blocking piece 26, and after the first ring body 21 is disassembled from the second ring body 22, the first positioning frame 41 and the second positioning frame 42 can be separated from each other, so that the bearing can be completely disassembled, the disassembling degree of the bearing is further improved, and the replacing cost of the bearing is further reduced.

As an improved specific embodiment, the first positioning frame 41 is provided with a positioning hole 411 at a joint of the first positioning frame 41 and the second positioning frame 42, the second positioning frame 42 is correspondingly provided with a positioning bolt 421 for passing through the positioning hole 411 at a joint of the second positioning frame 42 and the first positioning frame 41, the positioning bolt 421 is fixedly connected with the second positioning frame 42, and an outer diameter of the positioning bolt 421 is equal to or slightly smaller than an inner diameter of the positioning hole 411. Through the setting of locating bolt 421 and locating hole 411, realized the location of first locating rack 41 with second locating rack 42, can avoid first locating rack 41 and second locating rack 42 to produce the circumferential direction trend and extrude ball 3, be favorable to reducing the wearing and tearing of ball 3, improve ball 3 life.

The working principle is as follows:

when the bearing is disassembled, after the first ring body 21 and the second ring body 22 are relatively rotated by a user, the first ring body 21 and the second ring body 22 can be directly pulled apart, at this time, the outer ring 2 is disassembled, the first positioning frame 41 and the second positioning frame 42 lose the blocking effect of the first blocking piece 25 and the second blocking piece 26 and can be separated from each other, so that the support frame 4 can be disassembled, and after the support frame 4 is disassembled, the balls 3 and the inner ring 1 can be separated from each other, so that the bearing can be completely disassembled, the disassembling and assembling process is simple, when parts in the bearing are damaged, the damaged parts in the bearing can be automatically replaced by the user, the service life of the bearing is prolonged, and the use cost of the bearing is reduced.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a detachable bearing, includes inner circle (1), outer lane (2), ball (3) and stand (4), all be provided with on inner circle (1) outer wall and outer lane (2) inner wall and be used for carrying out axial positioning's ring channel (11) to ball (3), stand (4) are including laminating first locating rack (41) and second locating rack (42) that go on fixing a position to ball (3) each other, its characterized in that: the outer ring (2) comprises a first ring body (21) and a second ring body (22), the inner diameter and the outer diameter of the first ring body (21) are the same as those of the second ring body (22), the end faces of the first ring body (21) and the second ring body (22) extend outwards to form a first convex ring (23) and a second convex ring (24), the outer diameter of the first convex ring (23) is the same as that of the first ring body (21), the inner diameter of the first convex ring (23) is the same as that of the second convex ring (24), the inner diameter of the second convex ring (24) is the same as that of the second ring body (22), a plurality of convex blocks (241) are arranged on the outer side face of the second convex ring (24), a plurality of sliding grooves (231) for the convex blocks (241) to slide are concavely arranged on the inner side face of the first convex ring (23), the sliding grooves (231) are all arranged in an L shape, and the convex blocks (241) enter the sliding grooves (231) from one end of the sliding grooves (231), the second ring body (22) is rotated to enable the lug (241) to slide to the other end of the sliding groove (231), and the first ring body (21) is connected with the second ring body (22).

2. A removable bearing according to claim 1, wherein: the plurality of convex blocks (241) are uniformly distributed along the central axis of the first convex ring (23) in an annular mode, and the plurality of sliding grooves (231) are arranged in one-to-one correspondence with the plurality of convex blocks (241).

3. A removable bearing according to claim 1, wherein: the two end faces, far away from each other, of the first ring body (21) and the second ring body (22) extend towards the central axis to form a first blocking piece (25) and a second blocking piece (26), and the inner diameters of the first blocking piece (25) and the second blocking piece (26) are larger than the outer diameter of the inner ring (1).

4. A removable bearing according to claim 3, wherein: under the state that the first ring body (21) is connected with the second ring body (22), the distance between the first blocking piece (25) and the second blocking piece (26) is equal to the axial distance of the position where the first positioning frame (41) and the second positioning frame (42) are far away from each other when the first positioning frame (41) and the second positioning frame (42) are attached to each other.

5. A demountable bearing according to claim 4, wherein: first locating rack (41) is provided with locating hole (411) in first locating rack (41) and second locating rack (42) laminating department, second locating rack (42) correspond in second locating rack (42) and first locating rack (41) laminating department and are provided with locating bolt (421) that are used for passing locating hole (411), locating bolt (421) and second locating rack (42) fixed connection, the external diameter of locating bolt (421) and the internal diameter looks adaptation of locating hole (411).