CN211924727U

CN211924727U - Composite lubrication oilless bearing

Info

Publication number: CN211924727U
Application number: CN202020545172.8U
Authority: CN
Inventors: 钱咬法
Original assignee: Jiashan Samsung Sliding Bearing Technology Co ltd
Current assignee: Jiashan Samsung Sliding Bearing Technology Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-11-13
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a compound lubrication oilless bearing, including bearing inner race, bearing inner race and rolling element, the bearing inner race with roll installation has in the cavity between the bearing inner race the rolling element, both ends about the inboard of bearing inner race with the notch cuttype mounting groove has all been seted up at both ends about the outside of bearing inner race, the bearing inner race with both ends about the bearing inner race common slidable mounting has the closing cap in the notch cuttype mounting groove. Has the advantages that: when the closing cap received the damage, be convenient for change the closing cap to reach the life of extension whole device, when the ball rubs for a long time impaired, also can change, dismantle the closing cap earlier, because be equipped with L type thin slice on the inserted bar, and be equipped with the corresponding piece that corresponds L type thin slice on the support, fix through the screw between the two, extract the screw, thereby take out the support, take out the inserted bar that L type thin slice is connected again, thereby reach the effect of changing the ball.

Description

Composite lubrication oilless bearing

Technical Field

The utility model relates to an oilless bearing field particularly, relates to a compound lubrication oilless bearing.

Background

The oilless bearing is a novel lubricated bearing with the characteristics of both a metal bearing and an oilless lubricated bearing, a metal matrix bears load, and a solid lubricating material with a special formula plays a lubricating role. The bearing has the characteristics of high bearing capacity, impact resistance, high temperature resistance, strong self-lubricating capacity and the like, is particularly suitable for occasions with difficult lubrication and oil film formation, such as heavy load, low speed, reciprocation or swing and the like, and is not afraid of water flushing and erosion and flushing of other acid liquor, but the prior oilless bearing is not provided with a corresponding sealing device, so that a large amount of dust can be stored in the bearing after the bearing is used for a long time, and the precision of the bearing is reduced.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound lubrication oilless bearing to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a composite lubrication oilless bearing comprises a bearing outer ring, a bearing inner ring and a rolling body, wherein the rolling body is installed in a cavity between the bearing outer ring and the bearing inner ring in a rolling manner, stepped mounting grooves are formed in the upper end and the lower end of the inner side of the bearing outer ring and the upper end and the lower end of the outer side of the bearing inner ring, sealing covers are jointly and slidably mounted in the stepped mounting grooves at the upper end and the lower end of the bearing outer ring and the bearing inner ring, four supports are evenly connected to the inner side surfaces of the sealing covers, corresponding threaded holes are formed in the sealing covers and the supports in a separated manner, threaded rods are inserted into the corresponding threaded holes, the two ends of each support are respectively connected with an insert rod, the insert rods are clamped in the side walls of the bearing outer ring and the bearing inner ring, sliding grooves are formed in the positions, the inserted bar is kept away from all install the ball through the pivot rotation in the slotted hole at one side both ends of closing cap, the inserted bar top is all fixed and is equipped with L type thin slice, the support corresponds L type thin slice position is gone up to fix and is equipped with and corresponds the piece, correspond the piece and correspond fix through the screw between the L type thin slice.

Furthermore, arc-shaped sliding grooves matched with the shapes of the rolling bodies are formed in the inner side wall of the bearing outer ring and the outer side wall of the bearing inner ring at positions corresponding to the rolling bodies.

Furthermore, the cross section of the sealing cover is in a step shape matched with the step-shaped mounting groove.

Further, the rolling bodies are round balls made of silicon carbide.

Furthermore, a polytetrafluoroethylene coating is sprayed on the surface of the rolling body.

Compared with the prior art, the utility model discloses following beneficial effect has:

the sealing cover is arranged between the bearing outer ring and the bearing inner ring, so that external dust particles can be effectively prevented from entering the bearing, the dust particles are prevented from being adhered to the inside of the bearing, the use precision of the bearing is influenced, the lower surface of the sealing cover is provided with the support, the lower end of the support is connected with the insertion rod in a matched manner and is slidably arranged on the inner wall of the bearing outer ring and the outer wall of the bearing inner ring, the sealing cover can be fixed, the sealing cover is prevented from being separated from the bearing, the two ends of the support are respectively and rotatably provided with the rolling balls through the rotating shafts, the friction force between the support and the inner wall of the bearing outer ring and the outer wall of the bearing inner ring can be reduced, the sealing cover and the support are fixed through the threaded holes, and the threaded rods are matched with each other, therefore, when the sealing cover is damaged, the sealing cover is, the sealing cover is firstly detached, the L-shaped sheet is arranged on the inserted bar, the corresponding sheet corresponding to the L-shaped sheet is arranged on the support, the L-shaped sheet and the support are fixed through the screw, the screw is pulled out, the support is taken out, the inserted bar connected with the L-shaped sheet is taken out, and therefore the ball replacing effect is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of a composite lubrication oilless bearing according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a corresponding segment of a composite lubrication oilless bearing according to an embodiment of the present invention;

fig. 3 is a schematic view of a sealing cover of a composite lubrication oil-free bearing according to an embodiment of the present invention.

Reference numerals:

1. a bearing outer race; 2. a bearing inner race; 3. a rolling body; 4. a step-shaped mounting groove; 5. sealing the cover; 6. a support; 7. a threaded hole; 8. a threaded rod; 9. inserting a rod; 10. a chute; 11. a ball bearing; 12. an L-shaped sheet; 13. a corresponding sheet; 14. a screw; 15. an arc chute.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

in order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

The first embodiment is as follows:

referring to fig. 1-3, a composite lubrication oilless bearing according to an embodiment of the present invention includes a bearing outer ring 1, a bearing inner ring 2 and rolling elements 3, the rolling elements 3 are installed in a rolling manner in a cavity between the bearing outer ring 1 and the bearing inner ring 2, stepped mounting grooves 4 are respectively formed in upper and lower ends of an inner side of the bearing outer ring 1 and upper and lower ends of an outer side of the bearing inner ring 2, sealing caps 5 are installed in the stepped mounting grooves 4 at the upper and lower ends of the bearing outer ring 1 and the bearing inner ring 2 in a sliding manner, four brackets 6 are evenly connected to an inner side surface of each sealing cap 5, corresponding threaded holes 7 are separately formed in the sealing caps 5 and the brackets 6, threaded rods 8 are inserted into the corresponding threaded holes 7, two ends of each bracket 6 are respectively connected with an insertion rod 9, the insertion rods 9 are clamped in side walls of the bearing outer ring 1 and the bearing inner ring 2, bearing inner race 1 with correspond on the lateral wall of bearing inner race 2 spout 10 has all been seted up to inserted bar 9 both ends position department, inserted bar 9 is kept away from all rotate through the pivot in the slotted hole at one side both ends of closing cap 5 and install ball 11, inserted bar 9 top is all fixed and is equipped with L type thin slice 12, support 6 corresponds fixed being equipped with in the L type thin slice 12 position corresponds piece 13, correspond piece 13 and correspond fix through screw 14 between the L type thin slice 12.

Example two:

referring to fig. 1, for the bearing outer ring 1, arc-shaped sliding grooves 15 matched with the shapes of the rolling bodies 3 are formed in positions, corresponding to the rolling bodies 3, on the inner side wall of the bearing outer ring 1 and the outer side wall of the bearing inner ring 2.

Through the above technical scheme of the utility model, beneficial effect: the inside wall of bearing inner race 1 and the position department that corresponds rolling element 3 on the lateral wall of bearing inner race 2 all offer with 3 appearance assorted arc spouts 15 of rolling element, can carry on spacingly to rolling element 3, prevent that rolling element 3 from removing in the cavity between bearing inner race 1 and bearing inner race 2, influence the axiality and the normal use of bearing.

Example three:

referring to fig. 1, for the sealing cover 5, the section of the sealing cover 5 is a stepped shape matching with the stepped mounting groove 4.

Example four:

referring to fig. 1, for the rolling element 3, the rolling element 3 is a spherical ball made of silicon carbide.

Example five:

referring to fig. 1, for the rolling element 3, the surface of the rolling element 3 is coated with teflon.

Through the above technical scheme of the utility model, beneficial effect: the surface of the rolling body 3 is sprayed with a polytetrafluoroethylene coating, so that the rolling body 3 is protected.

For the convenience of understanding the above technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process:

in practical application, a sealing cover 5 is arranged between a bearing outer ring 1 and a bearing inner ring 2, so that external dust particles can be effectively prevented from entering the bearing, the problem that the use precision of the bearing is affected due to the fact that the dust particles are adhered to the inside of the bearing is avoided, a support 6 is arranged on the lower surface of the sealing cover 5, a lower end of the support 6 is connected with an insertion rod 9 in a matched mode and is slidably arranged on the inner wall of the bearing outer ring 1 and the outer wall of the bearing inner ring 2, the sealing cover 5 can be fixed, the sealing cover 5 is prevented from being separated from the bearing, balls 11 are rotatably arranged at two ends of the support 6 through rotating shafts respectively, friction between the support 6 and the inner wall of the bearing outer ring 1 and between the support 6 and the outer wall of the bearing inner ring 2 can be reduced, due to the fact that a threaded hole 7 is formed between the sealing cover 5 and the support 6, the threaded rod 8 is matched for, when the ball 11 is damaged by friction for a long time, the ball can be replaced, the sealing cover 5 is firstly detached, the L-shaped sheet 12 is arranged on the inserted link 9, the corresponding sheet 13 corresponding to the L-shaped sheet 12 is arranged on the support 6, the L-shaped sheet 12 and the support are fixed through the screw 14, the screw is pulled out, the support 6 is taken out, the inserted link 9 connected with the L-shaped sheet 12 is taken out, and the effect of replacing the ball 11 is achieved.

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. The composite lubrication oilless bearing is characterized by comprising a bearing outer ring (1), a bearing inner ring (2) and rolling bodies (3), wherein the bearing outer ring (1) and the rolling bodies (3) are installed in a cavity between the bearing inner ring (2) in a rolling manner, stepped mounting grooves (4) are formed in the upper end and the lower end of the inner side of the bearing outer ring (1) and the upper end and the lower end of the outer side of the bearing inner ring (2), sealing covers (5) are installed in the stepped mounting grooves (4) in a sliding manner and are respectively arranged at the upper end and the lower end of the bearing outer ring (1), four supports (6) are evenly connected to the inner side of each sealing cover (5), corresponding threaded holes (7) are separately formed in the sealing covers (5) and the supports (6), threaded rods (8) are inserted into the threaded holes (7), and inserting rods (9) are respectively connected to the two ends of each support (6), inserted bar (9) joint is in bearing inner race (1) with in the lateral wall of bearing inner race (2), bearing inner race (1) with correspond on the lateral wall of bearing inner race (2) inserted bar (9) both ends position department has all seted up spout (10), inserted bar (9) are kept away from ball (11) are all installed through the pivot rotation in the slotted hole at one side both ends of closing cap (5), inserted bar (9) top is all fixed and is equipped with L type thin slice (12), support (6) correspond fixed being equipped with corresponding piece (13) on L type thin slice (12) position, correspond piece (13) and correspond fix through screw (14) between L type thin slice (12).

2. The composite lubricating oil-free bearing of claim 1, wherein arc-shaped sliding grooves (15) matched with the shapes of the rolling bodies (3) are formed in the positions, corresponding to the rolling bodies (3), on the inner side wall of the bearing outer ring (1) and the outer side wall of the bearing inner ring (2).

3. A composite lubricating oil-free bearing according to claim 1, wherein the cross section of the cover (5) is of a stepped shape matching with the stepped mounting groove (4).

4. A composite lubricating oil-free bearing according to claim 1, wherein the rolling elements (3) are spherical balls made of silicon carbide.

5. The composite lubricating oil-free bearing according to claim 4, wherein the surface of the rolling body (3) is coated with polytetrafluoroethylene.