CN215333974U

CN215333974U - Self-lubricating needle bearing

Info

Publication number: CN215333974U
Application number: CN202121575509.0U
Authority: CN
Inventors: 谢释斋
Original assignee: CHANGZHOU WUJIN CHANGJIANG NEEDLE BEARING CO LTD
Current assignee: CHANGZHOU WUJIN CHANGJIANG NEEDLE BEARING CO LTD
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-12-28
Anticipated expiration: 2031-07-12

Abstract

The utility model relates to the technical field of needle roller bearings, in particular to a self-lubricating needle roller bearing, which solves the problems that the needle roller bearing in the prior art is often insufficient in lubricity, and the bearing is easy to lose efficacy and the service life of the bearing is shortened due to insufficient lubricity in the using process. The utility model provides a self-lubricating needle bearing, includes the outer lane, the inboard of outer lane is provided with the holder, and the inboard of outer lane is provided with the kingpin that a plurality of cooperation holder used, the outer lane is hollow structure, and the cavity in the outer lane is provided with lubricated liquid, the inner wall of outer lane is provided with a plurality of drain pipe, and the corresponding one end of a plurality of drain pipe all communicates lubricated pipe, a plurality of through-hole has all been seted up to the table wall of a plurality of lubricated pipe, and has cup jointed lubricated cotton ball on the lubricated pipe of a plurality of. The lubricating device can improve the lubricating property of the rolling needle, further improve the lubricating property of the bearing, avoid the failure of the bearing due to insufficient lubricating property and prolong the service life.

Description

Self-lubricating needle bearing

Technical Field

The utility model relates to the technical field of needle roller bearings, in particular to a self-lubricating needle roller bearing.

Background

Needle bearing (needle bearing) is a roller bearing with cylindrical rollers that are both thin and long with respect 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 thin and long rollers (the diameter D of the rollers is less than or equal to 5mm, the L/D is more than or equal to 2.5, and L is the length of the rollers), 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 the minimum, and the needle roller bearing is particularly suitable for a bearing structure with limited radial installation size.

However, the conventional needle roller bearing often has insufficient lubricity, and the bearing is likely to fail due to the insufficient lubricity during use, so that the service life of the bearing is reduced, and therefore, a self-lubricating needle roller bearing is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a self-lubricating needle bearing, which solves the problems that the needle bearing in the prior art is often insufficient in lubricity, and the bearing is easy to lose efficacy due to insufficient lubricity in the using process, so that the service life of the bearing is shortened.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a self-lubricating needle bearing, including the outer lane, the inboard of outer lane is provided with the holder, and the inboard of outer lane is provided with the kingpin that a plurality of cooperation holder used, the outer lane is hollow structure, and the hollow layer of outer lane is provided with lubricated liquid, the inner wall of outer lane is provided with a plurality of drain pipe, and communicate each other between the hollow layer of a plurality of drain pipe all and outer lane, and the corresponding one end of a plurality of drain pipe all communicates lubricated pipe, a plurality of through-hole has all been seted up to the table wall of a plurality of lubricated pipe, and lubricated cotton ball has been cup jointed on a plurality of lubricated pipe, a plurality of lubricated cotton ball is located between every two adjacent kingpins in a plurality of kingpin respectively, and all laminate each other between the outer wall of lubricated cotton ball and the outer wall of two adjacent kingpins.

Preferably, a plurality of rolling needles are distributed in an annular array.

Preferably, the top of outer lane has seted up the feed port, and the top of outer lane is provided with the sealing plug of cooperation feed port.

Preferably, a plurality of second threaded holes are formed in the front side and the rear side of the outer ring, a plurality of first threaded holes are formed in the front side and the rear side of the retainer, and a plurality of fixing bolts matched with the first threaded holes and used by the second threaded holes are arranged on the front side and the rear side of the outer ring.

Preferably, the sealing plug is made of rubber.

Preferably, the plurality of lubricating cotton balls are all elastic.

The utility model has at least the following beneficial effects:

when the rolling pin rotates in the retainer, the lubricating liquid enters into the lubricating pipe through the liquid outlet pipe, then the lubricating liquid soaks the lubricating cotton ball through the through-hole, and the rolling pin can rub the lubricating cotton ball when the retainer rotates, thereby scribbling the lubricating liquid on the rolling pin, reinforcing the lubricity of rolling pin, the rolling pin also can be scribbled the lubricating liquid continuously at the during operation in addition, improves its lubricating property.

1. Through the cooperation between outer lane, drain pipe, lubricated pipe, lubricating liquid, lubricated cotton ball and the holder, can improve the lubricity of kingpin, and then improve the lubricity of bearing, avoid reducing its life because the lubricity is not enough to lead to the bearing to become invalid, adopt the mode of self-lubricating moreover, at kingpin during operation, also can continuously lubricate comparatively convenience.

2. Through the cooperation between first screw hole, second screw hole and the fixing bolt, be convenient for dismantle the outer lane, conveniently change lubricated cotton ball and wash the outer lane, convenient to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a front view of the holder of the present invention;

FIG. 4 is a side cross-sectional view of the present invention;

FIG. 5 is an enlarged view of area A of FIG. 1 according to the present invention.

In the figure: 1. an outer ring; 2. a lubricating fluid; 3. a liquid outlet pipe; 4. lubricating the cotton balls; 5. a lubrication tube; 6. a holder; 7. rolling needles; 8. a sealing plug; 9. a feed port; 10. a through hole; 11. fixing the bolt; 12. a first threaded hole; 13. and a second threaded hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-5, a self-lubricating needle bearing comprises an outer ring 1, a retainer 6 is arranged on the inner side of the outer ring 1, a plurality of needle rollers 7 matched with the retainer 6 are arranged on the inner side of the outer ring 1, the outer ring 1 is of a hollow structure and is convenient for storing substances, a lubricating liquid 2 is arranged in a hollow layer of the outer ring 1, a plurality of liquid outlet pipes 3 are arranged on the inner wall of the outer ring 1 and are communicated with the hollow layer of the outer ring 1, corresponding ends of the liquid outlet pipes 3 are communicated with lubricating pipes 5, a plurality of through holes 10 are arranged on the surface wall of each lubricating pipe 5, lubricating cotton balls 4 are sleeved on the lubricating pipes 5, the lubricating cotton balls 4 are convenient for the lubricating liquid 2 to wet the lubricating cotton balls 4, the lubricating cotton balls 4 are respectively positioned between every two adjacent needle rollers 7 in the plurality of needle rollers 7, and the outer walls of the lubricating cotton balls 4 are mutually attached to the outer walls of the two adjacent needle rollers 7, through storing lubricating fluid 2 in outer lane 1, can carry out the self-lubricating to kingpin 7, kingpin 7 is continuous in the pivoted and rubs with lubricating fluid 2 on the lubricated cotton ball 4, lubricates self, when kingpin 7 carries out work, also can continuously lubricate, great improvement kingpin 7's lubricity to improve the lubricating property of bearing itself, improve life.

The scheme has the following working processes:

when the roller pin 7 rotates in the retainer 6, the lubricating liquid 2 enters the lubricating pipe 5 through the liquid outlet pipe 3, then the lubricating liquid 2 soaks the lubricating cotton ball 4 through the through hole 10, and when the roller pin 7 rotates in the retainer 6, the lubricating cotton ball 4 can be rubbed, so that the lubricating liquid 2 is coated on the roller pin 7, the lubricating property of the roller pin 7 is enhanced, and the lubricating liquid 2 can be continuously coated when the roller pin 7 works, so that the lubricating property of the roller pin is improved.

According to the working process, the following steps are known:

through the cooperation between outer lane 1, drain pipe 3, lubricated pipe 5, lubricated liquid 2, lubricated cotton ball 4 and the holder 6, can improve 7's lubricity of kingpin, and then improve the lubricity of bearing, avoid reducing its life because the lubricity is not enough to lead to the bearing to become invalid, adopt the mode of self-lubricating moreover, at 7 during operations of kingpin, also can continuously lubricate comparatively convenience.

Furthermore, a plurality of kingpins 7 are distributed in an annular array, so that the kingpins 7 can stably and continuously work.

Further, feed port 9 has been seted up at the top of outer lane 1, and the top of outer lane 1 is provided with the sealing plug 8 of cooperation feed port 9, and is concrete, sets up feed port 9, is convenient for add and clear away the intraformational lubricated liquid 2 in 1 cavity in outer lane, sets up sealing plug 8, prevents that lubricated liquid 2 from revealing.

Further, a plurality of second screw hole 13 has all been seted up to the front side and the rear side of outer lane 1, the first screw hole 12 of a plurality of has all been seted up to the front side and the rear side of holder 6, the front side and the rear side of outer lane 1 all are provided with the fixing bolt 11 that the first screw hole 12 of a plurality of cooperation and second screw hole 13 used, and is concrete, through first screw hole 12, the cooperation between second screw hole 13 and the fixing bolt 11, be convenient for dismantle outer lane 1, conveniently change lubricated cotton ball 4 and wash outer lane 1, high durability and convenient use.

Furthermore, the sealing plug 8 is made of rubber, so that the sealing performance is improved, and the friction to the outer ring 1 is reduced.

Furthermore, a plurality of lubricating cotton balls 4 are elastic, and the influence on the rotation of the roller pins 7 is avoided.

In summary, the plurality of roller pins 7 are distributed in the annular array, so that the roller pins 7 can stably and continuously work; the feeding hole 9 is arranged to facilitate the addition and removal of the lubricating liquid 2 in the hollow layer of the outer ring 1, and the sealing plug 8 is arranged to prevent the lubricating liquid 2 from leaking; through the matching of the first threaded hole 12, the second threaded hole 13 and the fixing bolt 11, the outer ring 1 is convenient to disassemble, the lubricating cotton ball 4 is convenient to replace and the outer ring 1 is convenient to clean, and the use is convenient; the sealing plug 8 is made of rubber, so that the sealing performance is improved, and the friction to the outer ring 1 is reduced; the lubricating cotton balls 4 have certain elasticity, and the rotation of the rolling needles 7 is prevented from being influenced.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A self-lubricating needle bearing comprises an outer ring (1), and is characterized in that a retainer (6) is arranged on the inner side of the outer ring (1), a plurality of needle rollers (7) matched with the retainer (6) for use are arranged on the inner side of the outer ring (1), the outer ring (1) is of a hollow structure, lubricating liquid (2) is arranged in a hollow layer of the outer ring (1), a plurality of liquid outlet pipes (3) are arranged on the inner wall of the outer ring (1), the liquid outlet pipes (3) are communicated with the hollow layer of the outer ring (1), corresponding ends of the liquid outlet pipes (3) are communicated with lubricating pipes (5), a plurality of through holes (10) are formed in the surface walls of the lubricating pipes (5), lubricating cotton balls (4) are sleeved on the lubricating pipes (5), and the lubricating cotton balls (4) are respectively located between every two adjacent needle rollers (7) in the plurality of needle rollers (7), and the outer wall of the lubricating cotton ball (4) and the outer walls of the two adjacent roller pins (7) are mutually attached.

2. A self-lubricating needle bearing as claimed in claim 1, characterised in that a plurality of the needles (7) are arranged in an annular array.

3. The self-lubricating needle bearing according to claim 1, wherein the top of the outer ring (1) is provided with a feeding hole (9), and the top of the outer ring (1) is provided with a sealing plug (8) matched with the feeding hole (9).

4. The self-lubricating needle bearing according to claim 1, wherein the front side and the rear side of the outer ring (1) are provided with a plurality of second threaded holes (13), the front side and the rear side of the retainer (6) are provided with a plurality of first threaded holes (12), and the front side and the rear side of the outer ring (1) are provided with a plurality of fixing bolts (11) matched with the first threaded holes (12) and the second threaded holes (13).

5. A self-lubricating needle bearing as claimed in claim 3, characterised in that the sealing plug (8) is of rubber material.

6. A self-lubricating needle bearing according to claim 1, characterised in that a number of the lubricating cotton balls (4) are resilient.