CN212407327U

CN212407327U - Needle roller bearing

Info

Publication number: CN212407327U
Application number: CN202020991801.XU
Authority: CN
Inventors: 王伟忠; 潘昌元
Original assignee: Lishui Jiete Bearing Manufacturing Co ltd
Current assignee: Lishui Jiete Bearing Manufacturing Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-01-26
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a needle roller bearing, belong to the bearing field, including the protection casing, bearing inner race and bearing inner race, the surface of protection casing is equipped with the inlet port, the inner wall symmetry fixed mounting of protection casing has spacing dish, the kingpin is installed to the surface equidistance of bearing inner race, the fixed surface of kingpin installs the resistance to pressure, the fixed surface of resistance to pressure installs the wearing layer, sliding connection between wearing layer and the bearing inner race, it is through the protection casing, the setting of spacing dish, can improve bearing's whole firmness, thereby increase of service life, and at the oil feed tank, divide under the effect of oil groove isotructure, can guarantee lubricating fluid's sufficiency, make the bearing inner race keep good rotating-state, through the resistance to pressure, the structure setting of resistance to pressure, improve the result of use of kingpin.

Description

Needle roller bearing

Technical Field

The utility model relates to a bearing field, more specifically say, relate to a needle bearing.

Background

A bearing is a commonly used component in mechanical transmissions to reduce the coefficient of friction during movement during rotation of the mechanical component, whereas a needle bearing is a bearing with cylindrical rollers, which are thin and long, although having a small cross-section and a high load-bearing capacity.

However, most needle roller bearings have certain defects, do not have good strength and firmness, have limited service life, and have poor use effect because the surface of the needle roller is not provided with a multilayer structure.

Therefore, a large number of needle roller bearings appear in the prior art, and the existing needle roller bearings cannot improve the overall firmness of the bearings through the arrangement of the protective shell and the limiting disc, so that the service life is prolonged, the lubricating oil is guaranteed to be sufficient under the action of the oil inlet groove, the oil distribution groove and other structures, the inner ring of the bearing is enabled to keep a good rotating state, and the use effect of the needle rollers is improved due to the fact that the structure of the pressure-resistant layer and the wear-resistant layer cannot be arranged.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a needle bearing, it can improve bearing's whole firmness through the setting of protection casing, spacing dish to increase of service life, and under the effect of oil feed tank, branch oil groove isotructure, can guarantee lubricating oil's sufficiency, make the bearing inner race keep good rotating-state, through the structure setting of resistance to pressure layer, wearing layer, improve the result of use of kingpin.

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a needle bearing, includes protection casing, bearing inner race and bearing inner race, the surface of protection casing is equipped with the inlet port, the inner wall symmetry fixed mounting of protection casing has spacing dish, the roller pin is installed to the surperficial equidistance of bearing inner race, the fixed surface of roller pin installs the resistance to pressure, the fixed surface of resistance to pressure installs the wearing layer, sliding connection between wearing layer and the bearing inner race, it can improve the whole firmness of bearing through the setting of protection casing, spacing dish to increase of service life, and under the effect of oil feed tank, branch oil groove isotructure, can guarantee lubricating oil's sufficiency, make the bearing inner race keep good rotating-state, through the structure setting of resistance to pressure, wearing layer, improve the result of use of roller pin.

Furthermore, fixed connection between spacing dish and the bearing inner race, sliding connection between spacing dish and the bearing inner race is convenient for under the effect of spacing dish, improves holistic firmness, prolongs the life of bearing.

Further, the surface of bearing inner race is equipped with the oil feed tank, the inner wall equidistance of oil feed tank is equipped with the branch oil groove, is convenient for under the effect of oil feed tank, branch oil groove, can disperse lubricating oil fast.

Furthermore, the bottom end face of the oil distributing groove is provided with an oil storage hole, and an oil storage column is fixedly mounted on the inner wall of the oil storage hole, so that lubricating oil can be stored to a certain extent under the action of the oil storage column, and the supply of the lubricating oil to the roller pins is ensured.

Furthermore, the pressure-resistant layer is made of resin, the wear-resistant layer is made of ceramic fiber, and the thickness of the pressure-resistant layer and the thickness of the wear-resistant layer are 4mm, so that the use effect of the roller pins can be improved under the action of the pressure-resistant layer and the wear-resistant layer.

Compared with the prior art, the utility model has the advantages of:

(1) this scheme is through the setting of protection casing, spacing dish, can improve the whole firmness of bearing to increase of service life to under the effect of inlet tank, branch oil groove isotructure, can guarantee lubricating oil's sufficiency, make the bearing inner race keep good rotating-state, through the structure setting of resistance to pressure layer, wearing layer, improve the result of use of kingpin.

(2) Fixed connection between spacing dish and the bearing inner race, sliding connection between spacing dish and the bearing inner race is convenient for under the effect of spacing dish, improves holistic firmness, prolongs the life of bearing.

(3) The surface of bearing inner race is equipped with the oil feed tank, and the inner wall equidistance of oil feed tank is equipped with the branch oil groove, is convenient for under the effect of oil feed tank, branch oil groove, can disperse lubricating oil fast.

(4) The bottom end face of the oil distributing groove is provided with an oil storage hole, and an oil storage column is fixedly mounted on the inner wall of the oil storage hole, so that lubricating oil can be stored to a certain extent under the action of the oil storage column, and the supply of the lubricating oil to the roller pins is guaranteed.

(5) The resistance to pressure layer is the resin material, and the wearing layer is the ceramic fibre material, and the thickness of resistance to pressure layer, wearing layer is 4mm, is convenient for under the effect of resistance to pressure layer, wearing layer, improves the result of use of kingpin.

Drawings

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

FIG. 2 is a schematic view of the outer ring of the bearing of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 3 according to the present invention.

The reference numbers in the figures illustrate:

the bearing comprises a protective shell 1, a bearing outer ring 2, a bearing inner ring 3, an oil inlet hole 4, a limiting disc 5, an oil inlet groove 6, an oil separating groove 7, an oil storage hole 8, an oil storage column 9, a roller pin 10, a pressure-resistant layer 11 and a wear-resistant layer 12.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, a needle roller bearing includes a protective housing 1, a bearing outer ring 2 and a bearing inner ring 3, referring to fig. 1-4, an oil inlet 4 is formed on the surface of the protective housing 1, a limiting disc 5 is symmetrically and fixedly mounted on the inner wall of the protective housing 1, the limiting disc 5 is fixedly connected with the bearing outer ring 2, the limiting disc 5 is slidably connected with the bearing inner ring 3, so that the overall firmness is improved under the action of the limiting disc 5, the service life of the bearing is prolonged, an oil inlet groove 6 is formed on the surface of the bearing outer ring 2, oil distribution grooves 7 are equidistantly formed on the inner wall of the oil inlet groove 6, so that lubricating oil can be rapidly dispersed under the action of the oil inlet groove 6 and the oil distribution grooves 7, an oil storage hole 8 is formed on the bottom end surface of the oil distribution groove 7, an oil storage column 9 is fixedly mounted on the inner wall of the oil storage hole 8, so that the lubricating oil can be stored to a certain extent, guarantee the supply of lubricating oil to kingpin 10, kingpin 10 is installed to the surperficial equidistance of bearing inner race 3, kingpin 10's fixed surface installs resistance to pressure 11, resistance to pressure 11's fixed surface installs wearing layer 12, resistance to pressure 11 is the resin material, wearing layer 12 is the ceramic fibre material, and resistance to pressure 11, the thickness of wearing layer 12 is 4mm, be convenient for under resistance to pressure 11, the effect of wearing layer 12, improve kingpin 10's result of use, sliding connection between wearing layer 12 and the bearing inner race 2.

This needle bearing, through protection housing 1, the setting of spacing dish 5, can improve holistic firmness, thereby prolong bearing's life, inlet port 4 through protection housing 1 surface, can carry out the interpolation of lubricated fluid, at the oil feed tank 6, divide under the effect of oil groove 7, can carry out the fast dispersion to lubricated fluid, and at oil storage hole 8, under the effect of oil storage post 9, carry out the storage of certain degree to lubricated fluid, guarantee to carry out the supply of lubricated fluid to kingpin 10, make bearing inner circle 3 keep normal rotation effect, at kingpin 10 surperficial resistance to pressure layer 11, under the effect of wearing layer 12, can improve kingpin 10's result of use.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a needle bearing, includes protection casing (1), bearing inner race (2) and bearing inner race (3), its characterized in that: the surface of protection casing (1) is equipped with inlet port (4), the inner wall symmetry fixed mounting of protection casing (1) has spacing dish (5), bearing inner race (3) the surface equidistance install kingpin (10), the fixed surface of kingpin (10) installs resistance to pressure (11), the fixed surface of resistance to pressure (11) installs wearing layer (12), sliding connection between wearing layer (12) and bearing inner race (2).

2. A needle bearing as claimed in claim 1, wherein: the limiting disc (5) is fixedly connected with the bearing outer ring (2), and the limiting disc (5) is connected with the bearing inner ring (3) in a sliding mode.

3. A needle bearing as claimed in claim 1, wherein: the surface of bearing inner race (2) is equipped with oil feed tank (6), the inner wall equidistance of oil feed tank (6) is equipped with branch oil groove (7).

4. A needle bearing as claimed in claim 3, wherein: the bottom end face of the oil distribution groove (7) is provided with an oil storage hole (8), and an oil storage column (9) is fixedly mounted on the inner wall of the oil storage hole (8).

5. A needle bearing as claimed in claim 1, wherein: the pressure-resistant layer (11) is made of resin, the wear-resistant layer (12) is made of ceramic fiber, and the thickness of the pressure-resistant layer (11) and the thickness of the wear-resistant layer (12) are 4 mm.