CN213270743U

CN213270743U - Long-life aligning bearing excircle

Info

Publication number: CN213270743U
Application number: CN202022121873.1U
Authority: CN
Inventors: 丁华辉
Original assignee: Xinchang Zhaoyang Machinery Co ltd
Current assignee: Xinchang Zhaoyang Machinery Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-05-25
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a long-life aligning bearing excircle, its technical scheme main points are: the outer circle body is provided with a round angle along the circumferential direction, an oil filling groove used for injecting lubricating oil is formed in the outer circle body, the oil filling groove comprises a first open groove with a larger diameter and a second open groove with a smaller diameter, the groove bottom of the second open groove penetrates through the inner wall of the outer circle body, a sealing column is arranged at the notch of the first open groove, the end face of the sealing column and the outer wall surface of the outer circle body are located on the same curved surface, positioning rings are arranged on two sides of the outer circle body and are in a stepped shape, and a stepped groove for the positioning rings to be embedded in is formed in the outer circle body; the cylindrical roller has the advantages of being convenient to add lubricating oil, improving the lubricating efficiency, being more uniform in lubrication and reducing the friction force between the roller pin and the cylindrical body, and the advantages can finally achieve the effect of prolonging the service life of the cylindrical body.

Description

Long-life aligning bearing excircle

Technical Field

The utility model relates to a bearing field, in particular to long-life aligning bearing excircle.

Background

Needle bearings are roller bearings with cylindrical rollers, which are both thin and long relative to their diameter. Such rollers are called needles. The bearing has high load bearing capacity despite the small section, the needle roller bearing is provided with a thin and long roller, so the radial structure is compact, the inner diameter size and the load capacity are the same as other types of bearings, the outer diameter is minimum, and the needle roller bearing is particularly suitable for a bearing structure with limited radial installation size; according to different use occasions, a bearing without an inner ring or a rolling needle and retainer assembly can be selected, the surface of a shaft neck and the surface of a shell hole which are matched with the bearing are directly used as the inner rolling surface and the outer rolling surface of the bearing, and in order to ensure that the load capacity and the running performance are the same as those of a bearing with a ferrule, the hardness, the processing precision and the surface quality of the surface of a raceway of the hole of the shaft or the shell are similar to those of the raceway of a bearing ferrule. Such bearings can only withstand radial loads.

Can refer to the chinese patent that publication number is CN205478927U, it discloses a bearing inner race, and its technical essential is a bearing inner race, including the outer lane body, be provided with on the outer circumference side of bearing inner race body and lead the oil groove, be provided with the oil filler point on the terminal surface lateral wall of outer lane body, the oil filler point switches on the setting with leading the oil groove mutually, be provided with the sealing plug on the oil filler point, the sealing plug is connected with oil filler point screw-thread fit, it is cyclic annular to lead the oil groove, and with the coaxial setting of outer lane body, it is provided with two to lead the oil groove, the cross-section of leading the oil groove is triangle-shaped and sets up.

The above patent has the advantage of facilitating the removal of the bearing from the fixing hole, but it also has drawbacks, such as: the excircle does not set up the oil filler point, when a plurality of bearings use side by side, inconvenient lubrication action leads to its frictional force to strengthen, shortens excircle life.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing a long-life aligning bearing excircle to solve the problem of mentioning in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a long-life aligning bearing excircle, includes the excircle body, open along circumference in the outside of excircle body has the fillet, set up the oiling groove that is used for pouring into lubricating oil on the excircle body, the oiling groove includes the great first open slot of diameter and the less second open slot of diameter, the tank bottom of second open slot runs through the inner wall of excircle body, the notch department of first open slot is provided with sealed post, sealed post's terminal surface with the outer wall surface of excircle body is in same curved surface, the both sides of excircle body all are provided with the holding ring, the holding ring is the echelonment, the confession has been seted up on the excircle body the ladder groove of holding ring embedding.

The lubricating oil is directly injected into the bearing through the first open slot and the second open slot by arranging the oil injection slot, so that the lubricating oil is more uniform, the bearing does not need to be lubricated after being disassembled, the lubricating oil is convenient to add, the lubricating efficiency is improved, the lubricating is more uniform, and the friction force between the roller pin and the excircle body is reduced, and the advantages can finally achieve the effect of prolonging the service life of the excircle body; this long-life aligning bearing excircle through the setting of holding ring, can effectively prevent outside impurity dust to get into inside the bearing, has avoided impurity to get into the frictional force that increases the kingpin to the excircle body, can improve the bearing capacity of excircle body, makes it have excellent antifriction, self-lubricating nature, reaches the inner wall that prevents impurity entering excircle body, increases the bearing capacity of excircle body, prolongs its life's effect.

Preferably, the outer circle body is provided with a sealing ring at the raised end face of the positioning ring.

Through adopting above-mentioned technical scheme, the setting of sealing ring can seal the bearing, prevents that the inside lubricating oil of bearing from revealing.

Preferably, the sealing ring is a fluororubber sealing ring.

By adopting the technical scheme, the fluororubber has better wear resistance and high temperature resistance, is easy to obtain and has lower cost.

Preferably, the inner wall of the outer circle body is circumferentially provided with a rolling groove.

Through adopting above-mentioned technical scheme for place the kingpin.

Preferably, a lubricating pad is arranged at the bottom of the rolling groove.

Through adopting above-mentioned technical scheme, the setting of lubricated pad can be protected and lubricated the kingpin.

Preferably, the sealing column is a fluororubber sealing column.

Preferably, the excircle body is a high-carbon chromium bearing steel excircle.

By adopting the technical scheme, the high-carbon chromium bearing steel has excellent wear resistance, high temperature resistance and super-strong hardness, and can achieve the effect of prolonging the service life of the excircle body.

To sum up, the utility model discloses mainly have following beneficial effect:

firstly, the lubricating oil is directly injected into the bearing through the first open slot and the second open slot by arranging the oil injection slot on the excircle of the long-life self-aligning needle roller bearing, so that the lubrication is more uniform, the bearing does not need to be lubricated after being disassembled, the lubricating oil is convenient to add, the lubricating efficiency is improved, the lubrication is more uniform, and the friction force between the needle roller and the excircle body is reduced, and the service life of the excircle body can be finally prolonged;

second, this long-life aligning bearing excircle through the setting of holding ring, can effectively prevent outside impurity dust to get into inside the bearing, has avoided impurity to get into the frictional force that increases the kingpin to the excircle body, can improve the bearing capacity of excircle body, makes it have excellent antifriction, self-lubricity, reaches the inner wall that prevents impurity entering excircle body, increases the bearing capacity of excircle body, prolongs its life's effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a structural sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A of the present invention;

fig. 4 is a schematic view of the positioning ring of the present invention;

fig. 5 is a schematic view of the sealing ring structure of the present invention.

Reference numerals: 1. an outer circle body; 2. round corners; 3. an oil injection groove; 4. a first open slot; 5. a second open slot; 6. sealing the column; 7. a positioning ring; 8. a stepped groove; 9. a seal ring; 10. a rolling groove; 11. a lubrication pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Example 1

Refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, a long-life aligning bearing excircle, including excircle body 1, excircle body 1's outside is opened along circumference has fillet 2, offer the oil filler neck 3 that is used for pouring into lubricating oil on the excircle body 1, oil filler neck 3 includes the great first open slot 4 of diameter and the less second open slot 5 of diameter, the tank bottom of second open slot 5 runs through excircle body 1's inner wall, the notch department of first open slot 4 is provided with sealed post 6, the terminal surface of sealed post 6 is in same curved surface with excircle body 1's outer wall surface, excircle body 1's both sides all are provided with holding ring 7, holding ring 7 is the echelonment, set up the ladder groove 8 that supplies the embedding of holding ring 7 on the excircle body 1.

Referring to fig. 2 and 5, for the purpose of preventing leakage of the lubricating oil; the excircle body 1 is provided with a sealing ring 9 at the raised end face of the positioning ring 7; the sealing ring 9 can seal the bearing to prevent the lubricating oil inside the bearing from leaking.

Referring to fig. 2 and 5, for the purpose of preventing leakage of the lubricating oil; the sealing ring 9 is a fluororubber sealing ring; the fluororubber has better wear resistance and high temperature resistance, is easy to obtain and has lower cost.

Referring to fig. 2, for the purpose of needle roller placement; the inner wall of the excircle body 1 is circumferentially provided with a rolling groove 10; used for placing the needle roller.

Referring to fig. 2, for the purpose of long-term lubrication of the needle rollers; a lubricating pad 11 is arranged at the bottom of the rolling groove 10; the lubricating pad 11 can protect and lubricate the roller needles.

With reference to FIG. 3, for the purpose of sealing the oil reservoir 3; the sealing column 6 is a fluororubber sealing column; the fluororubber has better wear resistance and high temperature resistance, is easy to obtain and has lower cost.

Referring to fig. 1 and 2, in order to achieve the purpose of prolonging the service life of the excircle body 1; the excircle body 1 is a high-carbon chromium bearing steel excircle; the high-carbon chromium bearing steel has excellent wear resistance, high temperature resistance and super-strong hardness, and can achieve the effect of prolonging the service life of the excircle body 1.

The use principle and the advantages are as follows:

the long-life self-aligning needle roller bearing outer circle is provided with the oil injection groove 3, the sealing column 6 is taken out during lubricating operation, lubricating oil is directly injected into the bearing through the first open slot 4 and the second open slot 5, so that the lubrication is more uniform, the bearing does not need to be disassembled and then lubricated, and the sealing column 6 is screwed after the lubricating operation is finished, so that the long-life self-aligning needle roller bearing outer circle has the advantages of convenience in adding the lubricating oil, improvement of the lubricating efficiency, more uniform lubrication and reduction of the friction force between a needle roller and the outer circle body 1, and the advantages can finally achieve the effect of prolonging the service life of the outer circle body; this long-life aligning bearing excircle through the setting of holding ring 7, can effectively prevent outside impurity dust to get into inside the bearing, has avoided impurity to get into the frictional force that increases the kingpin to excircle body 1, can improve excircle body 1's bearing capacity, makes it have excellent antifriction, self-lubrication, reaches the inner wall that prevents impurity entering excircle body 1, increases excircle body 1's bearing capacity, prolongs its life's effect.

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 utility model provides a long-life aligning bearing excircle, includes excircle body (1), its characterized in that: round angle (2) have been opened along circumference to the outside of excircle body (1), offer on excircle body (1) and be used for pouring into oiling groove (3) of lubricating oil into, oiling groove (3) are including the great first open slot of diameter (4) and the less second open slot of diameter (5), the tank bottom of second open slot (5) runs through the inner wall of excircle body (1), the notch department of first open slot (4) is provided with sealed post (6), the terminal surface of sealed post (6) with the outer wall surface of excircle body (1) is in same curved surface, the both sides of excircle body (1) all are provided with holding ring (7), holding ring (7) are the echelonment, offer the confession on excircle body (1) the ladder groove (8) of holding ring (7) embedding.

2. The long life self-aligning needle bearing outer race of claim 1, wherein: the outer circle body (1) is provided with a sealing ring (9) at the raised end face of the positioning ring (7).

3. The long life self-aligning needle bearing outer race of claim 2, wherein: the sealing ring (9) is a fluororubber sealing ring.

4. The long life self-aligning needle bearing outer race of claim 1, wherein: the inner wall of the outer circle body (1) is provided with a rolling groove (10) along the circumferential direction.

5. The long life self-aligning needle bearing outer race of claim 4, wherein: and a lubricating pad (11) is arranged at the bottom of the rolling groove (10).

6. The long life self-aligning needle bearing outer race of claim 5, wherein: the sealing column (6) is a fluororubber sealing column.

7. The long life self-aligning needle bearing outer race of claim 1, wherein: the excircle body (1) is a high-carbon chromium bearing steel excircle.