CN218817601U

CN218817601U - Rod end joint bearing convenient to oiling

Info

Publication number: CN218817601U
Application number: CN202223377126.XU
Authority: CN
Inventors: 周峰
Original assignee: Zhejiang Heguang Tongchen Machinery Co ltd
Current assignee: Zhejiang Heguang Tongchen Machinery Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-04-07
Anticipated expiration: 2032-12-14

Abstract

The utility model provides a rod end joint bearing convenient for oil injection, which comprises a rod body, a bearing outer ring and a bearing inner ring rotatably arranged in the bearing outer ring, wherein an oil storage cavity is arranged on the bearing outer ring, an oil injection hole is arranged outside the bearing outer ring, and the oil injection hole is communicated with the oil storage cavity; a plurality of oil outlet holes are formed in the inner side of the bearing outer ring and communicated with the oil storage cavity; the oil storage cavity is correspondingly provided with a plurality of oil injection assemblies on one side facing the oil outlet, part of the oil injection assemblies are telescopically arranged in the oil inlet in a penetrating manner, each oil injection assembly comprises a sealing part and an abutting part, the sealing part is tightly attached to the inner side of the oil outlet in a natural state and used for sealing the oil outlet, and the abutting part extends to the outer side of the oil outlet; the outside of bearing inner race is provided with a plurality of rollers, and when the roller contacted with supporting portion, supporting portion drove sealing portion towards oil storage chamber one side motion, and the oil outlet communicates with the oil storage chamber.

Description

Rod end joint bearing convenient to oiling

Technical Field

The utility model relates to a bearing technical field especially, relates to a rod end joint bearing convenient to oiling.

Background

The rod end joint bearing is also called a fisheye joint, consists of an inner ring and an outer ring which take a sliding spherical surface as a contact surface, is mainly applied to swinging motion, tilting motion and rotating motion with lower speed, and has wider application. The existing rod end knuckle bearing is easy to cause device abrasion, inconvenient to add lubricant and use, easy to reduce the service life of the device and reduce the working efficiency of the device in the using process.

At present, chinese patent with publication number CN216407463U discloses a novel rod end joint bearing, relates to bearing technical field, including the bearing body, install the outer lane on the bearing body, the oil storage tank has been seted up on the outer lane, the oil filler point has been seted up on the oil storage tank, the oil storage tank has been close to and has been seted up the infiltration hole on the inner wall of bearing body, install the oil absorption sponge on the outer lane.

Above-mentioned technical scheme through stirring the spring leaf, makes the spring leaf drive the jam post and takes out from the oil filler hole, then pours into lubricating oil into the oil storage tank in from the oil filler hole into, makes the lubricating oil in the oil storage tank pass through the infiltration hole, and this internal increase of infiltration bearing is lubricated, reduces the wearing and tearing of device.

But this oil absorption sponge sets up on the outer lane, and has bearing body sliding fit, when the bearing body rotates fast, can generate heat, and the oil absorption sponge is dry easily, and the oil absorption sponge can increase the frictional force between bearing body and the outer lane.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a rod end joint bearing convenient to oiling, it begins the lubricant filling when the gyro wheel that circles in the bearing contacts with oiling subassembly.

In order to solve the technical problem, the technical scheme of the utility model is that:

a rod end joint bearing convenient for oil injection comprises a rod body, a bearing outer ring and a bearing inner ring rotatably arranged in the bearing outer ring, wherein an oil storage cavity is formed in the bearing outer ring, an oil injection hole is formed in the outer side of the bearing outer ring, and the oil injection hole is communicated with the oil storage cavity; a plurality of oil outlet holes are formed in the inner side of the bearing outer ring and communicated with the oil storage cavity; the oil storage cavity is provided with a plurality of oil injection assemblies on one side facing the oil outlet hole, part of the oil injection assemblies are arranged in the oil outlet hole in a telescopic penetrating mode and comprise sealing parts and abutting parts, the sealing parts are tightly attached to the inner side of the oil outlet hole in a natural state and used for sealing the oil outlet hole, and the abutting parts extend to the outer side of the oil outlet hole; the outside of bearing inner race is provided with a plurality of rollers, when the roller contacts with supporting portion, support to move towards oil storage chamber one side of sealing portion drive by supporting portion, oil outlet and oil storage chamber intercommunication.

Preferably, the oil injection assembly comprises a spring and a telescopic column; one side that the bearing inner race is towards the oil storage chamber is provided with the spacing groove, the one end of spring and the bottom fixed connection of spacing groove, the other end and the flexible column connection of spring, oil outlet is worn to locate by flexible post.

Preferably, one side of the telescopic column facing the bearing inner ring is provided with a hemispherical shape, and the hemispherical shape is an abutting part.

Preferably, the sealing part is a sealing ring, and the sealing ring is arranged on one side of the telescopic column close to the hemisphere.

Preferably, the oil storage chamber is annular.

Preferably, a blocking column is further arranged on the oil filling hole.

Preferably, the rod body is radially provided with a threaded hole towards the bearing outer ring.

Preferably, one side of the rod body is transversely provided with a limiting hole towards the threaded hole.

The utility model discloses following technological effect has:

1. the oil storage cavity is annular, and the oil outlet holes are arranged in a plurality of numbers, so that the bearing inner ring can be uniformly lubricated with oil conveniently;

2. when a contraction rod of the oil injection assembly is in contact with the roller on the bearing inner ring, oil in the oil storage cavity flows out of the oil outlet hole to inject oil into the bearing inner ring, and when the contraction rod is not in contact with the roller, the lubricating oil is stored in the oil storage cavity, so that the bearing is not required to be constantly oiled;

3. the contraction rod is provided with a sealing ring, so that lubricating oil can be prevented from seeping out of the oil outlet when the roller is not in contact with the end part of the contraction rod;

4. the limiting hole arranged on the rod body is convenient for limiting the connecting piece in threaded connection with the rod body, and the threaded connection is prevented from loosening when the bearing rotates.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a sectional view of the embodiment;

FIG. 3 is an enlarged view of the structure A.

Reference numerals are as follows: 1. a rod body; 11. a threaded hole; 12. a limiting hole; 2. a bearing outer race; 21. an oil storage chamber; 22. an oil filler hole; 23. an oil outlet hole; 24. a limiting groove; 3. a bearing inner race; 31. a roller; 4. plugging the column; 5. an oiling component; 51. a spring; 52. a telescopic column; 53. a seal ring; 6. a sealing part; 7. an abutting portion.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so as to make the technical solutions of the present invention easier to understand and grasp.

Referring to fig. 1, a rod end joint bearing convenient for oil injection comprises a rod body 1, a bearing outer ring 2 and a bearing inner ring 3 rotatably arranged in the bearing outer ring 2.

Referring to fig. 2, an oil storage cavity 21 is arranged on the bearing outer ring 2, an oil filling hole 22 is arranged on the outer side of the bearing outer ring 2, and the oil filling hole 22 is communicated with the oil storage cavity 21; a plurality of oil outlet holes 23 are formed in the inner side of the bearing outer ring 2, and the oil outlet holes 23 are communicated with the oil storage cavity 21; a plurality of oil injection assemblies 5 are correspondingly arranged on one side of the oil storage cavity 21 facing the oil outlet 23, part of the oil injection assemblies 5 are telescopically arranged in the oil inlet 22, each oil injection assembly 5 comprises a sealing part 6 and an abutting part 7, the sealing part 6 is tightly attached to the inner side of the oil outlet 23 in a natural state and used for sealing the oil outlet 23, and the abutting part 7 partially extends to the outer side of the oil outlet 23; the outside of bearing inner race 3 is provided with a plurality of rollers 31, and when roller 31 contacted with abutting portion 7, abutting portion 7 drove sealing portion 6 towards oil storage chamber 21 one side motion, and oil outlet 23 communicates with oil storage chamber 21. The body of rod 1 is radially seted up threaded hole 11 towards bearing inner race 2, and threaded hole 11 is used for connecting external utensil, and in order to prevent that external utensil and the body of rod 1 from taking place threaded connection not hard up when rotating, transversely is provided with spacing hole 12 towards threaded hole 11 in one side of the body of rod 1, wears to establish spacing post toward spacing downthehole 12, makes spacing post support external utensil, prevents that body of rod 1 and external utensil from taking place the screw thread not hard up.

Referring to fig. 3, in particular, the oiling assembly 5 comprises a spring 51 and a telescopic column 52; one side of the bearing outer ring 2 facing the oil storage cavity 21 is provided with a limiting groove 24, one end of a spring 51 is fixedly connected with the bottom of the limiting groove 24, the other end of the spring 51 is connected with a telescopic column 52, and the telescopic column 52 penetrates through the oil outlet 23. The limiting groove 24 can enable the spring 51 to stretch and contract radially in the oil outlet hole 23, and deviation of the spring 51 in stretching and contracting is prevented. In a natural state, the spring 51 pushes the stopper groove 24 toward the oil outlet hole 23. In order to make the contact between the telescopic column 52 and the roller 31 more natural and fit, the side of the telescopic column 52 facing the bearing inner ring 3 is made to be hemispherical, and the hemispherical shape is an abutting portion 7 for contacting with the roller 31. Sealing portion 6 is sealing washer 53, and sealing washer 53 sets up in flexible post 52 near hemispherical one side, and sealing washer 53 sets up and to make lubricating oil before roller 31 and support portion 7 do not contact, and lubricating oil is reserved in oil storage chamber 21 always, avoids long-term need to annotate lubricating oil, makes the bearing reach free filling lubricating oil, regularly to refuel in the oil storage chamber 21 can.

Oil storage chamber 21 is the annular, and oiling subassembly 5 interval sets up on annular oil storage chamber 21, and it is more even to be convenient for make bearing inner race 3 moist oil, also can use lubricating oil to go out the dust isoparticle that adsorbs between bearing inner race 2 and bearing inner race 3 clean simultaneously. Still be provided with on the oil filler point 22 and block post 4, when need refuel in oil storage chamber 21, just take out blocking post 4, will block post 4 stopper back to in oil filler point 22 after adding oil again, prevent that the dust from entering into oil storage chamber 21 through oil filler point 22 in, also can prevent simultaneously that the lubricating oil in the oil storage chamber 21 from flowing out from oil filler point 22.

The specific operation is as follows, the blocking column 4 is opened, oil is filled into the oil storage cavity 21 through the oil filling hole 22, and after the oil is filled, the oil filling hole 22 is blocked by the blocking column 4, so that the lubricating oil is prevented from flowing away from the oil filling hole 22. In a natural state, the spring 51 pushes the telescopic rod to the direction of the oil outlet 23, at the moment, the sealing ring 53 is tightly attached to the inner wall of the oil outlet 23, and the lubricating oil cannot flow out of the oil outlet 23; after bearing inner race 3 and bearing outer race 2 begin to take place relative rotation, when the roller 31 on the bearing inner race 3 contacts with the portion 7 that supports of telescopic link, roller 31 with the telescopic link toward spacing groove 24 one side propelling movement, the telescopic link drives sealing washer 53 toward spacing groove 24 one side motion this moment, sealing washer 53 produces certain interval with the inner wall of oil outlet 23, lubricating oil is through interval from oil outlet 23 outflow lubricated bearing inner race 3 and bearing outer race 2.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. The utility model provides a rod end joint bearing convenient to oiling, includes the body of rod (1), bearing inner race (2) and rotates bearing inner race (3) that set up in bearing inner race (2), characterized by: an oil storage cavity (21) is formed in the bearing outer ring (2), an oil filling hole (22) is formed in the outer side of the bearing outer ring (2), and the oil filling hole (22) is communicated with the oil storage cavity (21); a plurality of oil outlet holes (23) are formed in the inner side of the bearing outer ring (2), and the oil outlet holes (23) are communicated with the oil storage cavity (21); a plurality of oil injection assemblies (5) are correspondingly arranged on one side, facing the oil outlet hole (23), of the oil storage cavity (21), part of the oil injection assemblies (5) are arranged in the oil inlet hole (22) in a telescopic mode in a penetrating mode, each oil injection assembly (5) comprises a sealing portion (6) and an abutting portion (7), the sealing portions (6) are tightly attached to the inner side of the oil outlet hole (23) in a natural state and used for sealing the oil outlet hole (23), and the abutting portions (7) partially extend to the outer side of the oil outlet hole (23); the outside of bearing inner race (3) is provided with a plurality of rollers (31), when roller (31) and support portion (7) contact, support portion (7) drive sealing portion (6) towards oil storage chamber (21) one side motion, oil outlet (23) and oil storage chamber (21) intercommunication.

2. The rod end knuckle bearing of claim 1, wherein: the oiling assembly (5) comprises a spring (51) and a telescopic column (52); bearing inner race (2) are provided with spacing groove (24) towards one side of oil storage chamber (21), the one end of spring (51) and the bottom fixed connection of spacing groove (24), the other end and the flexible post (52) of spring (51) are connected, oil outlet (23) are worn to locate in flexible post (52).

3. A rod end knuckle bearing to facilitate oil injection as defined in claim 2, wherein: one side of the telescopic column (52) facing the bearing inner ring (3) is hemispherical, and the hemisphere is an abutting part (7).

4. A rod end knuckle bearing to facilitate oil injection as defined in claim 3, wherein: the sealing part (6) is a sealing ring (53), and the sealing ring (53) is arranged on one side, close to the hemisphere, of the telescopic column (52).

5. The rod end knuckle bearing of claim 1, wherein: the oil storage cavity (21) is annular.

6. A rod end knuckle bearing to facilitate oil injection as defined in claim 1, wherein: and a blocking column (4) is also arranged on the oil filling hole (22).

7. A rod end knuckle bearing to facilitate oil injection as defined in claim 1, wherein: the rod body (1) is provided with a threaded hole (11) in the radial direction towards the bearing outer ring (2).

8. A rod end knuckle bearing to facilitate oil injection as defined in claim 2, wherein: one side of the rod body (1) is transversely provided with a limiting hole (12) towards the threaded hole (11).