CN217107871U

CN217107871U - Oil-supplementing needle bearing

Info

Publication number: CN217107871U
Application number: CN202220901899.4U
Authority: CN
Inventors: 高晓频
Original assignee: Suzhou Lianli Precision Manufacturing Co ltd
Current assignee: Suzhou Lianli Precision Manufacturing Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-08-02
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses an oil-replenishable needle roller bearing, which comprises an outer ring, wherein a cavity is arranged in the outer ring, the wall of the outer ring is provided with through holes and cylindrical rollers in an annular array, the through holes are arranged on the outer ring, the through holes are communicated with the cavity, the cylindrical rollers correspond to the through holes, a supporting plate is arranged between two adjacent cylindrical rollers, the front side and the rear side of the outer ring are symmetrically provided with mounting rings which are connected with the supporting plate and the cylindrical rollers, a groove is arranged above the front side of the mounting ring positioned at the front side, a conduit is clamped in the groove, the utility model has simple structure and reasonable design, the lubricating oil is guided into the cavity through the conduit, the lubricating oil is more fully contacted with each cylindrical roller through the through holes, and the flowing effect of the lubricating oil between the cylindrical rollers is enhanced through a square groove, thereby enhancing the lubricating effect of the lubricating oil on the cylindrical roller.

Description

Oil-replenishable needle bearing

Technical Field

The utility model relates to a can mend oily type bearing belongs to bearing technical field.

Background

The needle bearing is a roller bearing with cylindrical rollers, the rollers are thin and long relative to the diameter of the roller bearing, the rollers are called needle rollers, although the roller bearing has a small section, the bearing still has high load bearing capacity, the needle bearing is provided with the thin and long rollers, so the radial structure is compact, the inner diameter size and the load bearing capacity of the needle bearing are the same as those of other types of bearings, the outer diameter of the needle bearing is the smallest, the needle bearing is particularly suitable for a bearing result with a limited radial installation size, the lubrication of the needle bearing is usually realized by guiding oil into a roller path through an oil hole, particularly the needle bearing with a large specification has high consumption speed of the lubricating oil and needs to be frequently supplemented, good lubrication can ensure that an oil film is formed between the needle roller and the roller path, the friction factor is reduced, the friction work is reduced, the abrasion is prevented, the oil hole is generally sealed through a screw or a piston, the screw needs to be screwed out or the piston needs to be pulled out during the oil injection, the screw or the piston which is taken out is easy to be stained with a large amount of dust after contacting with air, the dust can enter the interior of the bearing when being installed again, the service life of the bearing is shortened, the introduced lubricating oil can be more fully contacted with the cylindrical roller, the lubricating effect of the lubricating oil on the cylindrical roller is enhanced, and therefore the oil-supplementing type needle roller bearing is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can mend oily type needle bearing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a can mend oily type bearing, includes the outer loop, set up the cavity in the outer loop, outer loop inner wall annular array is provided with through-hole and cylindrical roller, the through-hole is seted up on the outer loop, just the through-hole is linked together with the cavity, cylindrical roller is corresponding with the through-hole, adjacent two be provided with the backup pad between the cylindrical roller, bilateral symmetry is provided with the collar around the outer loop, the collar is connected with backup pad and cylindrical roller, is located the front side the collar front side top is seted up flutedly, the block has the pipe in the recess, pipe one end is run through the collar and is linked together with the cavity.

Furthermore, one side of the supporting plate, which is close to the outer ring, is provided with a square groove.

Furthermore, inclined plane plates are symmetrically arranged on one side, close to the cylindrical roller, of the supporting plate, and the inclined plane plates are connected with the outer ring.

Furthermore, a gap is reserved between the square groove and the inclined plane plate.

Furthermore, a gap is reserved between the cylindrical roller and the through hole.

Further, the depth of the groove is larger than the pipe diameter of the guide pipe.

Furthermore, one end of the conduit, which is far away from the cavity, is attached to the mounting ring.

The utility model has the advantages that:

1. to this can mend oily type needle bearing, lead the lubricating oil to the cavity in through the pipe, make more abundant and each cylindrical roller of lubricating oil contact through the through-hole to strengthen the mobile effect of lubricating oil between cylindrical roller through square groove, thereby strengthen the lubricated effect of lubricating oil to cylindrical roller.

2. Through setting up the inclined plane board, strengthen the stability of backup pad, make and leave the clearance between square groove and the inclined plane board, prevent that the inclined plane board from influencing lubricating oil and flow between square groove, make and leave the clearance between cylindrical roller and the through-hole, prevent to influence mutually between cylindrical roller and the through-hole, the degree of depth that makes the recess is greater than the pipe diameter of pipe, and the pipe is kept away from the one end of cavity and is laminated with the collar mutually, can restrict the pipe, prevent that the pipe from breaking away from the recess and influencing the normal use of bearing, and make the dust be difficult for getting into in the pipe.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic view of the overall structure of the oil-replenishable needle bearing of the present invention;

fig. 2 is a schematic view of an internal structure of the oil-replenishable needle bearing of the present invention;

fig. 3 is a schematic view of an outer ring of the oil-replenishable needle bearing of the present invention;

fig. 4 is a schematic view of a supporting plate of the oil-replenishable needle bearing of the present invention;

fig. 5 is an enlarged schematic view of a portion a of the oil-replenishable needle bearing of the present invention;

fig. 6 is an enlarged schematic view of a part B of the oil-replenishable needle bearing of the present invention;

reference numbers in the figures: 1. an outer ring; 2. a chamber; 3. a through hole; 4. a cylindrical roller; 5. a support plate; 6. a mounting ring; 7. a groove; 8. a conduit; 9. a square groove; 10. an inclined plane plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a can mend oily type bearing, includes outer loop 1, cavity 2 has been seted up in the

outer loop

1, 1 interior wall annular array of outer loop is provided with through-hole 3 and cylindrical roller 4, through-hole 3 is seted up on outer loop 1, just through-hole 3 is linked together with cavity 2, cylindrical roller 4 is corresponding with through-hole 3, adjacent two be provided with backup pad 5 between the

cylindrical roller

4, 1 front and back bilateral symmetry of outer loop is provided with collar 6, collar 6 is connected with backup pad 5 and cylindrical roller 4, is located the front side collar 6 front side top has seted up recess 7, the joint has pipe 8 in the

recess

7, 8 one end of pipe is run through collar 6 and is linked together with cavity 2.

Specifically, as shown in fig. 2, 4 and 6, a square groove 9 is formed in one side of the support plate 5 close to the outer ring 1, inclined plane plates 10 are symmetrically arranged on one side of the support plate 5 close to the cylindrical roller 4, the inclined plane plates 10 are connected with the outer ring 1, the stability of the support plate 5 is enhanced, a gap is reserved between the square groove 9 and the inclined plane plates 10, and the influence of the inclined plane plates 10 on the flow of the lubricating oil between the square grooves 9 is prevented.

Specifically, as shown in fig. 2 and 6, a gap is left between the cylindrical roller 4 and the through hole 3 to prevent the cylindrical roller 4 and the through hole 3 from interfering with each other.

Specifically, as shown in fig. 1 and 5, the depth of the groove 7 is greater than the pipe diameter of the conduit 8, one end of the conduit 8, which is far away from the chamber 2, is attached to the mounting ring 6, so that the conduit 8 is limited, the conduit 8 is effectively prevented from being separated from the groove 7 to influence the normal use of the bearing, and dust is prevented from entering the conduit 8.

The utility model discloses the theory of operation: when the leading-in lubricating oil of needs, take out pipe 8 in by recess 7, lead to cavity 2 with lubricating oil through pipe 8 in, and by through-hole 3, make even and abundant and cylindrical roller 4 contact of lubricating oil, and through square groove 9, make the flow of lubricating oil between cylindrical roller 4, strengthen the lubricating effect of lubricating oil to cylindrical roller 4, make and leave the clearance between square groove 9 and the inclined plane board 10, prevent that inclined plane board 10 from influencing lubricating oil and flow between square groove 9, make and leave the clearance between cylindrical roller 4 and the through-hole 3, prevent to influence each other between cylindrical roller 4 and the through-hole 3.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. An oil-replenishable needle bearing, comprising an outer ring (1), characterized in that: seted up cavity (2) in outer loop (1), outer loop (1) inner wall annular array is provided with through-hole (3) and cylindrical roller (4), through-hole (3) are seted up on outer loop (1), just through-hole (3) are linked together with cavity (2), cylindrical roller (4) are corresponding with through-hole (3), adjacent two be provided with backup pad (5) between cylindrical roller (4), bilateral symmetry is provided with collar (6) around outer loop (1), collar (6) are connected with backup pad (5) and cylindrical roller (4), are located the front side collar (6) front side top is seted up fluted (7), recess (7) inside block has pipe (8), pipe (8) one end is run through collar (6) and is linked together with cavity (2).

2. The oil replenishable needle bearing as set forth in claim 1, wherein: one side of the supporting plate (5) close to the outer ring (1) is provided with a square groove (9).

3. The oil replenishable needle bearing as set forth in claim 2, wherein: inclined plane plates (10) are symmetrically arranged on one side, close to the cylindrical roller (4), of the supporting plate (5), and the inclined plane plates (10) are connected with the outer ring (1).

4. The oil replenishable needle bearing as set forth in claim 3, wherein: and a gap is reserved between the square groove (9) and the inclined plane plate (10).

5. The oil replenishable needle bearing as set forth in claim 1, wherein: and a gap is reserved between the cylindrical roller (4) and the through hole (3).

6. The oil replenishable needle bearing as set forth in claim 1, wherein: the depth of the groove (7) is larger than the pipe diameter of the guide pipe (8).

7. The oil replenishable needle bearing as set forth in claim 1, wherein: one end of the conduit (8) far away from the cavity (2) is jointed with the mounting ring (6).