CN217814563U

CN217814563U - Bimetal self-lubricating bearing

Info

Publication number: CN217814563U
Application number: CN202222032802.3U
Authority: CN
Inventors: 王路路
Original assignee: Jiashan Dingyi Interactive Bearing Co ltd
Current assignee: Jiashan Dingyi Interactive Bearing Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-15
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a bimetal self-lubricating bearing, including the bearing inner race, circle up in the bearing inner race and be provided with the hole of placing of a plurality of bowl forms, every place the downthehole lubrication column that is provided with of downthehole, the lubrication column is the cydariform, just place the hole only with the lower part contact of lubrication column, the symmetry is provided with two bearing inner race on the outer wall of bearing inner race, evenly be provided with a plurality of draw-in grooves on the bearing inner race, the upper portion joint of lubrication column is in the draw-in groove. The utility model discloses a set up cydariform lubrication column, place hole and bearing inner race for lubrication column can not deviate from, has guaranteed the lubricated stability of product, has still improved the security simultaneously.

Description

Bimetal self-lubricating bearing

Technical Field

The utility model relates to a self-lubricating field especially involves a bimetal self-lubricating bearing.

Background

The bimetal self-lubricating 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 can further improve the lubricating performance by embedding materials such as graphite, PTFE and the like.

However, the material bonds in the predetermined hole through glue with the solid mostly to current mode of inlaying, and when bimetal self-lubricating bearing was used for under the condition of high impact, frequent vibrations very easily lead to the solid material pine of inlaying of bonding to take off, influence lubricating property, influence the security of bearing operation even. Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's is not enough, provides a bimetal self-lubricating bearing, the utility model discloses a realize through following technical scheme:

the utility model provides a bimetal self-lubricating bearing, includes the bearing inner race, link up the hole of placing that is provided with a plurality of bowls form in the bearing inner race, every place downthehole a lubrication column that is provided with, the lubrication column is the cydariform, just place the hole only with the lower part contact of lubrication column, the symmetry is provided with two bearing inner race on the outer wall of bearing inner race, evenly be provided with a plurality of draw-in grooves on the bearing inner race, the upper portion joint of lubrication column is in the draw-in groove.

In the above technical scheme: the bearing inner ring is used for bearing the rotating shaft so as to realize the function of a bearing; the placing hole is used for arranging the lubricating column, and the lubricating column cannot fall out of the inner direction of the bearing inner ring; the lubricating column is used for improving the lubricating performance; the bearing outer ring limits the lubricating column through the clamping groove, so that the position of the lubricating column is fixed; the clamping groove can also be used for placing lubricating grease.

The utility model discloses a further set up to: the cross section of the clamping groove corresponds to the shape of the lubricating column, and the clamping groove is in contact with the upper portion of the lubricating column.

In the above technical scheme: the cross-sectional shape of draw-in groove corresponds with the shape of lubricated post for behind the installation bearing inner race, lubricated post can't remove in the axial direction of lubricated post, simultaneously, make lubricated post with place the hole and keep accurate contact.

The utility model discloses a further set up to: the length of the bearing outer ring is half of that of the bearing inner ring, and the two bearing outer rings are in contact with each other.

In the above technical scheme: the length of the bearing outer ring is half of that of the bearing inner ring, and the two bearing outer rings are mutually contacted, so that the two bearing outer rings can be mutually positioned, and the installation is more accurate.

The utility model discloses a further set up to: two one side that the bearing inner race kept away from each other is provided with annular fixed step, be provided with a plurality of first fixed orificess on the fixed step, be provided with the second fixed orifices of corresponding quantity on the side of bearing inner race, the position of first fixed orifices corresponds with the position of second fixed orifices.

In the above technical scheme: the fixed step is used for fixing the bearing outer ring and the bearing inner ring together.

The utility model discloses a further set up to: and a self-lubricating layer is arranged on the inner wall of the bearing inner ring.

In the above technical scheme: the setting on self-lubricating layer is used for promoting the utility model discloses a lubricating property.

The utility model discloses a further set up to: the inner diameter of the fixed step is larger than that of the bearing inner ring.

In the above technical scheme: the inner diameter of the fixed step is larger than that of the bearing inner ring, so that the fixed step is not in contact with the rotating shaft, and the rotating shaft is in full contact with the lubricating layer and the lubricating column.

The utility model discloses a bimetal self-lubricating bearing compares with prior art:

1. the utility model has the advantages that the drum-shaped lubricating column, the placing hole and the bearing outer ring are arranged, so that the lubricating column can not be separated, the lubricating stability of the product is ensured, and the safety is improved;

2. the utility model discloses a lubricated post is removable good, and if there is lubricated post cracked placing the hole, the clearance of placing the hole is also more convenient.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 isbase:Sub>A cross-sectional view of the planebase:Sub>A-base:Sub>A of the present invention.

The corresponding part names indicated by the numbers and letters in the drawings: 10-bearing inner race; 101-placing holes; 102-a second fixing hole; 20-lubricating the column; 30-a bearing outer ring; 301-card slot; 302-fixed step; 303 — first fixing hole.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

As shown in fig. 1-4, the utility model provides a bimetal self-lubricating bearing, including bearing inner circle 10, link up the hole 101 of placing that is provided with a plurality of bowls of form on the bearing inner circle 10, every place and be provided with a lubrication column 20 in the hole 101, lubrication column 20 is the cydariform, just place hole 101 only with the lower part contact of lubrication column 20, the symmetry is provided with two bearing inner races 30 on the outer wall of bearing inner circle 10, evenly be provided with a plurality of draw-in grooves 301 on the bearing inner race 30, the upper portion joint of lubrication column 20 is in the draw-in groove 301. Wherein, the placing holes 101 have three rows, each row has twelve, and two adjacent rows of lubricating columns 20 are arranged in a staggered manner; the lubricating columns 20 are symmetrical up and down, and the position with the largest diameter is positioned in the middle; the depth of the placing hole 101 is half of the height of the lubricating column 20, and the diameter of the top of the placing hole 101 is consistent with the maximum diameter of the lubricating grease; the number of the clamping grooves 301 corresponds to the number of the placing holes 101 in each row, and is twelve; preferably, the material of the lubrication column 20 is graphite or PTFE, and the lubrication column 20 is adhered to the placement hole 101 by glue.

As shown in fig. 1 to 4, in the bimetal self-lubricating bearing of the present invention, the cross-sectional shape of the clamping groove 301 corresponds to the shape of the lubricating post 20, and the upper portion of the clamping groove 301 contacts with the lubricating post 20. The cross section of the clamping groove 301 is in an inverted bowl shape.

As shown in fig. 1-4, the present invention provides a bimetal self-lubricating bearing, the length of the outer bearing ring 30 is half of the length of the inner bearing ring 10, and the two outer bearing rings 30 contact each other. Wherein, the inner diameter of the bearing outer ring 30 is consistent with the outer diameter of the bearing inner ring 10.

As shown in fig. 1-4, the utility model provides a bimetal self-lubricating bearing, two one side that bearing inner race 30 kept away from each other is provided with annular fixed step 302, be provided with a plurality of first fixed orificess 303 on the fixed step 302, be provided with the second fixed orifices 102 of corresponding quantity on the side of bearing inner race 10, the position of first fixed orifices 303 and the position of second fixed orifices 102 correspond. The number of the first fixing holes 303 is preferably 4, and the four first fixing holes 303 are uniformly arranged; the positions of the second fixing holes 102 correspond to the number of the first fixing holes 303.

As shown in fig. 1-4, the present invention provides a bimetallic self-lubricating bearing, wherein a self-lubricating layer is disposed on the inner wall of the bearing inner ring 10. The lubricating layer is made of a lead-tin-bronze alloy and is bonded to the bearing inner ring 10 in a powder sintering mode.

As shown in fig. 1 to 4, the present invention provides a bimetal self-lubricating bearing, wherein the inner diameter of the fixing step 302 is larger than the inner diameter of the bearing inner ring 10.

The utility model discloses a theory of operation does:

a) The utility model is arranged on the bearing seat, and the rotating shaft is matched and arranged with the utility model, so that the rotating shaft is in clearance fit with the bearing inner ring;

b) When the rotating shaft rotates, the lubricating column and the lubricating layer realize the rotating lubrication;

c) When the lubricating column is loosened due to vibration and the like;

d) The placing hole is matched with the clamping groove, so that the lubricating column cannot move up and down, left and right;

e) After the rotating shaft stops rotating, the utility model is separated from the rotating shaft and the bearing seat;

f) Then taking down the outer ring of the bearing, and re-bonding the loosened lubricating column by using glue;

g) After the bonding is firm, the bearing outer ring is reinstalled, and then the bearing can be continuously used.

Above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be included in the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Claims

1. A bimetallic self-lubricating bearing characterized by: including bearing inner race (10), it is provided with placing hole (101) of a plurality of bowls of form to link up on bearing inner race (10), every place and be provided with a lubrication column (20) in hole (101), lubrication column (20) are the cydariform, just place hole (101) only with the lower part contact of lubrication column (20), the symmetry is provided with two bearing outer lane (30) on the outer wall of bearing inner race (10), evenly be provided with a plurality of draw-in grooves (301) on bearing outer lane (30), the upper portion joint of lubrication column (20) is in draw-in groove (301).

2. The bimetallic self-lubricating bearing of claim 1, wherein: the cross-sectional shape of the clamping groove (301) corresponds to the shape of the lubricating post (20), and the clamping groove (301) is in contact with the upper part of the lubricating post (20).

3. The bimetallic self-lubricating bearing of claim 2, wherein: the length of the bearing outer ring (30) is half of that of the bearing inner ring (10), and the two bearing outer rings (30) are in contact with each other.

4. A bimetallic self-lubricating bearing according to claim 3, wherein: two one side that bearing inner race (30) kept away from each other is provided with annular fixed step (302), be provided with a plurality of first fixed orificess (303) on fixed step (302), be provided with corresponding quantity second fixed orifices (102) on the side of bearing inner race (10), the position of first fixed orifices (303) and the position of second fixed orifices (102) correspond.

5. The bimetallic self-lubricating bearing of claim 4, wherein: and a self-lubricating layer is arranged on the inner wall of the bearing inner ring (10).

6. The bimetallic self-lubricating bearing of claim 5, wherein: the inner diameter of the fixed step (302) is larger than that of the bearing inner ring (10).