CN212615892U

CN212615892U - Self-lubricating bearing

Info

Publication number: CN212615892U
Application number: CN202021136566.4U
Authority: CN
Inventors: 韩春伟
Original assignee: Ningbo Sijie Precision Technology Co ltd
Current assignee: Ningbo Sijie Precision Technology Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-02-26
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a self-lubricating bearing, in particular to the technical field of bearings, which comprises an inner ring and an outer ring, wherein a detachable mechanism is arranged between the inner ring and the outer ring; the detachable mechanism includes a plurality of balls, and the equal joint of a plurality of balls is between inner circle and outer lane, and a plurality of ball one side all is fixed and is equipped with the ball base, and the inside recess of all seting up of a plurality of ball bases, the inside all fixed a plurality of springs that are equipped with of a plurality of recesses, the inside joint piece that all is equipped with of a plurality of recesses, joint piece one end and a plurality of spring one end fixed connection, the joint piece other end extends to the ball outer end, a plurality of joint grooves have been seted up on the inner wall of outer lane, and a plurality of joint piece other ends joint respectively is inside a plurality of joint grooves. The utility model discloses a but detachable mechanism in time changes the ball when the ball damages, can not influence part normal use, and maintenance operation is simple convenient, and cost of maintenance is lower, extension part life.

Description

Self-lubricating bearing

Technical Field

The embodiment of the utility model provides a relate to bearing technical field, concretely relates to self-lubricating bearing.

Background

Self-lubricating bearings are widely used in sliding parts of various machines due to their own characteristics, such as oil-free lubrication or less oil lubrication, and can be used without maintenance or with less maintenance; the wear resistance is good, the friction coefficient is small, and the service life is long; the bearing has proper elastoplasticity, can distribute stress on a wider contact surface and improve the bearing capacity of the bearing; the static and dynamic friction coefficients are similar, so that the working precision of the machine is ensured; the vibration of the machine can be reduced, the noise is reduced, the pollution is prevented, and the labor condition is improved; a transfer film can be formed in the running process, and the function of protecting the counter grinding shaft is achieved; the hardness requirement on the grinding shaft is low, so that the processing difficulty of related parts is reduced; the thin-wall structure is light, and the mechanical volume can be reduced; the back of the steel can be plated with various metals and can be used in a corrosive medium.

The prior art has the following defects: most of the balls of the self-lubricating bearing cannot be detached, the balls can be damaged after being used for a long time, the damaged balls cannot be replaced, the use is influenced, only new bearings can be directly replaced, and the maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a self-lubricating bearing, when the ball damages through detachable mechanism, can in time change the ball, can not influence part normal use, maintenance easy operation is convenient, cost of maintenance is lower, extension part life, because the ball of most self-lubricating bearings is undetachable among the solution prior art, long-time use ball can appear damaging, the ball after the damage can not be changed and can influence the use, lead to can only directly replacing new bearing, the higher problem of cost of maintenance.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a self-lubricating bearing comprises an inner ring and an outer ring, wherein a plurality of round holes are formed in the outer ring, arc-shaped plates are fixedly arranged on the round holes, a plurality of strip-shaped grooves are formed in the arc-shaped plates, a fixing ring is fixedly arranged at the outer end of the outer ring, the arc-shaped plates are arranged between the fixing ring and the outer ring, and a detachable mechanism is arranged between the inner ring and the outer ring;

the detachable mechanism comprises a plurality of balls, the balls are connected with the inner ring in a sliding mode, the balls are all connected between the inner ring and the outer ring in a clamped mode, a ball base is fixedly arranged on one side of each ball, grooves are formed in the ball bases, springs are fixedly arranged in the grooves, clamping blocks are arranged in the grooves, one end of each clamping block is fixedly connected with one end of each spring, the other end of each clamping block extends to the outer end of each ball, a plurality of clamping grooves are formed in the inner wall of the outer ring and correspond to the clamping blocks, and the other ends of the clamping blocks are connected inside the clamping grooves in a clamped mode respectively.

Furthermore, a plurality of conveying pipes are fixedly arranged at the outer end of the fixing ring.

Furthermore, annular pipelines are fixedly arranged at the outer ends of the plurality of conveying pipes, and outer shells are fixedly arranged at the outer ends of the annular pipelines.

Furthermore, the top end and the bottom end of the annular pipeline are both fixedly provided with oil inlet pipelines, and one ends of the two oil inlet pipelines respectively extend out of the outer end of the outer shell.

Further, two oil inlet pipe outer ends all are equipped with sealed lid, sealed lid and oil inlet pipe pass through threaded connection.

Further, the sealing cover is internally and fixedly provided with a sealing gasket, and one side of the sealing gasket is in contact with the port of the oil inlet pipeline.

Further, be equipped with a plurality of sponges between solid fixed ring and the outer lane, a plurality of sponges parcel respectively are in a plurality of arc outer ends.

The embodiment of the utility model provides a have following advantage:

the utility model discloses an with the help of external equipment from the front end or the rear end of inner circle and outer lane, aim at the ball that needs to be changed and beat, because outer lane and ball base are through the mutual joint in joint piece and joint groove, under the effect of power, inside joint piece meeting compression spring and shrink back recess, the outer lane is relieved with ball base's fixed relation, then can follow the front end or the rear end of inner circle and outer lane and take out the ball, compare with prior art, when the ball damages, can in time change the ball, can not influence part normal use, maintenance operation is simple and convenient, maintenance cost is lower, extension part life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is an enlarged view of the part A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the portion B of FIG. 1 according to the present invention;

fig. 4 is a perspective view of the clamping block provided by the present invention;

fig. 5 is a perspective view of an arc plate provided by the present invention;

in the figure: 1 inner circle, 2 outer circles, 3 balls, 4 grooves, 5 springs, 6 clamping blocks, 7 fixing rings, 8 round holes, 9 arc-shaped plates, 10 sponges, 11 annular pipelines, 12 conveying pipes, 13 outer shells, 14 oil inlet pipelines, 15 sealing covers, 16 sealing gaskets, 17 clamping grooves, 18 strip-shaped grooves and 19 ball bases.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

Referring to the attached drawings 1-5 of the specification, the self-lubricating bearing of the embodiment comprises an inner ring 1 and an outer ring 2, wherein the outer ring 2 is provided with a plurality of circular holes 8, a plurality of arc-shaped plates 9 are fixedly arranged on the circular holes 8, a plurality of strip-shaped grooves 18 are formed in the arc-shaped plates 9, a fixing ring 7 is fixedly arranged at the outer end of the outer ring 2, the arc-shaped plates 9 are arranged between the fixing ring 7 and the outer ring 2, and a detachable mechanism is arranged between the inner ring 1 and the outer ring 2;

the detachable mechanism includes a plurality of balls 3, and a plurality of balls 3 are sliding connection with inner circle 1, and a plurality of balls 3 all joint between inner circle 1 and outer lane 2, a plurality of balls 3 one side all fixed are equipped with ball base 19, and a plurality of ball base 19 are inside all seted up fluted 4, and a plurality of recesses 4 are inside all fixed be equipped with a plurality of springs 5, and a plurality of recesses 4 are inside all to be equipped with

joint piece

6, 6 one end of joint piece and the 5 one end fixed connection of a plurality of springs, the 6 other end of joint piece extends to ball 3 outer end, a plurality of joint grooves 17 have been seted up on 2 inner walls in outer lane, a plurality of joint grooves 17 with a plurality of joint pieces 6-correspond, the 6 other ends of a plurality of joint pieces joint respectively the joint is inside a plurality of joint grooves 17.

Further, a plurality of delivery pipes 12 are fixedly arranged at the outer end of the fixing ring 7, and the lubricating oil can be delivered between the fixing ring 7 and the outer ring 2 through the delivery pipes 12 and then absorbed and stored in the inner part by the sponge 10.

Further, a plurality of conveyer pipes 12 outer end are fixed and are equipped with ring conduit 11, the fixed shell body 13 that is equipped with in ring conduit 11 outer end, inside ring conduit 11 can carry lubricating oil to each conveyer pipe 12 for lubricating oil distributes more evenly.

Furthermore, oil inlet pipelines 14 are fixedly arranged at the top end and the bottom end of the annular pipeline 11, one ends of the two oil inlet pipelines 14 extend out of the outer end of the outer shell 13 respectively, the oil inlet pipelines 14 are arranged so as to facilitate a worker to convey lubricating oil into the annular pipeline 11, and after the lubricating oil is conveyed, the oil inlet pipelines 14 are sealed by the sealing covers 15 and the sealing gaskets 16.

Further, the outer ends of the two oil inlet pipelines 14 are respectively provided with a sealing cover 15, the sealing covers 15 are connected with the oil inlet pipelines 14 through threads, and the sealing covers 15 can seal the oil inlet pipelines 14.

Further, a sealing gasket 16 is fixedly arranged inside the sealing cover 15, one side of the sealing gasket 16 is in contact with the port of the oil inlet pipeline 14, and the sealing gasket 16 plays a role in sealing the oil inlet pipeline 14.

Further, be equipped with a plurality of sponges 10 between solid fixed ring 7 and the outer lane 2, a plurality of sponges 10 parcel respectively in a plurality of arc 9 outer ends, the setting of sponge 10 is in order to ensure that lubricating oil can be continuous carry between inner circle 1 and the outer lane 2, and the volume that lubricating oil carried in the unit interval is less, can not be extravagant.

The implementation scenario is specifically as follows: firstly, a worker opens a sealing cover 15, lubricating oil is poured into an annular pipeline 11 from an oil inlet pipeline 14, then the lubricating oil is conveyed to a position between a fixing ring 7 and an outer ring 2 through a conveying pipe 12, lubricating oil can be absorbed and stored in a sponge 10, the sponge 10 is wrapped at the outer end of an arc-shaped plate 9, the lubricating oil stored in the sponge 10 can be continuously conveyed to a position between the outer ring 2 and an inner ring 1 through a strip-shaped groove 18, so that the ball 3 is lubricated, the sponge 10 is arranged to ensure that the lubricating oil can be continuously conveyed to a position between the inner ring 1 and the outer ring 2, the conveying amount of the lubricating oil in unit time is small and is not wasted, when the ball 3 needs to be replaced, the ball 3 needing to be replaced can be knocked by means of external equipment from the front end or the rear end of the inner ring 1 and the outer ring 2, and the outer ring 2 and a ball base 19 are mutually clamped through a, under the effect of power, inside joint piece 6 can compression spring 5 and shrink back recess 4, the fixed relation of outer lane 2 and ball base 19 is relieved, then can follow the front end of inner circle 1 and outer lane 2 or rear end and take out ball 3, the utility model discloses a but the fixed establishment of detachable mechanism when ball 3 damages, can in time change ball 3, can not influence part normal use, maintenance operation is simple convenient, and cost of maintenance is lower, extension part life, the ball that this embodiment has specifically solved most self-lubricating bearing among the prior art is undetachable, uses the ball to damage for a long time can appear, and the ball after the damage can not be changed and can influence the use, only can directly replace new bearing, the higher problem of cost of maintenance.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A self-lubricating bearing, includes inner circle (1) and outer lane (2), its characterized in that: the outer ring (2) is provided with a plurality of round holes (8), arc-shaped plates (9) are fixedly arranged on the round holes (8), a plurality of strip-shaped grooves (18) are formed in the arc-shaped plates (9), a fixing ring (7) is fixedly arranged at the outer end of the outer ring (2), the arc-shaped plates (9) are arranged between the fixing ring (7) and the outer ring (2), and a detachable mechanism is arranged between the inner ring (1) and the outer ring (2);

the detachable mechanism comprises a plurality of balls (3), the balls (3) are in sliding connection with the inner ring (1), the balls (3) are all clamped between the inner ring (1) and the outer ring (2), ball bases (19) are fixedly arranged on one sides of the balls (3), grooves (4) are formed in the ball bases (19), springs (5) are fixedly arranged in the grooves (4), clamping blocks (6) are arranged in the grooves (4), one end of the clamping block (6) is fixedly connected with one end of the plurality of springs (5), the joint piece (6) other end extends to ball (3) outer end, a plurality of joint grooves (17) have been seted up on outer lane (2) inner wall, a plurality of joint grooves (17) and a plurality of joint piece (6) one-to-one, a plurality of joint piece (6) other end joint respectively inside a plurality of joint grooves (17).

2. A self-lubricating bearing according to claim 1, wherein: the outer end of the fixing ring (7) is fixedly provided with a plurality of conveying pipes (12).

3. A self-lubricating bearing according to claim 2, wherein: the outer ends of the conveying pipes (12) are fixedly provided with annular pipelines (11), and the outer ends of the annular pipelines (11) are fixedly provided with outer shells (13).

4. A self-lubricating bearing according to claim 3, wherein: and oil inlet pipelines (14) are fixedly arranged at the top end and the bottom end of the annular pipeline (11), and one ends of the two oil inlet pipelines (14) respectively extend out of the outer end of the outer shell (13).

5. A self-lubricating bearing according to claim 4, wherein: the outer ends of the two oil inlet pipelines (14) are respectively provided with a sealing cover (15), and the sealing covers (15) are connected with the oil inlet pipelines (14) through threads.

6. A self-lubricating bearing according to claim 5, wherein: the sealing cover (15) is internally and fixedly provided with a sealing gasket (16), and one side of the sealing gasket (16) is in contact with the port of the oil inlet pipeline (14).

7. A self-lubricating bearing according to claim 1, wherein: a plurality of sponges (10) are arranged between the fixing ring (7) and the outer ring (2), and the sponges (10) are wrapped at the outer ends of the arc-shaped plates (9) respectively.