CN210799726U

CN210799726U - Combined plane thrust needle roller bearing

Info

Publication number: CN210799726U
Application number: CN201921300010.1U
Authority: CN
Inventors: 石伟男
Original assignee: Weisheng Bearing Factory Dashiju Town Xinchang County
Current assignee: Weisheng Bearing Factory Dashiju Town Xinchang County
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-06-19
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a modular plane thrust bearing, which comprises an outer ring, outer lane one side outer wall is equipped with outer fender along outer circumference department, and inner circle wall central line department is equipped with interior bulge loop in the outer lane, the outer lane is close to one side outer wall roll connection that keeps off outward and has rolling mechanism, rolling mechanism includes first holder, and the first holder keeps away from one side outer wall of outer lane and sets up the first logical groove that the equidistance is the circumference and distributes, first logical groove both sides inner wall roll connection has the kingpin, and first holder keeps away from outer lane consequently and the outer wall has the second holder through the bolt fastening, one side roll connection that rolling mechanism kept away from the outer lane has the inner circle, and the outer wall of inner circle keeps away from one side of outer lane and is equipped with outer. The utility model provides high bearing's packaging efficiency, it is more convenient to dismantle the maintenance, and the bearing leakproofness is good, avoids the friction of installation transmission shaft rear drive axle and outer lane stator, reduces bearing coefficient of friction, increases bearing life.

Description

Combined plane thrust needle roller bearing

Technical Field

The utility model relates to a bearing technical field especially relates to a modular plane thrust bearing.

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 its small cross section, and the needle roller bearing is provided with long and thin rollers, so that it has compact radial structure, and its inner diameter size and load capacity are the same as other bearing types, and its outer diameter is minimum, so that it is specially applicable to bearing structure whose radial installation size is limited.

The needle roller bearing has the problems that the roller bearing is low in production efficiency, difficult to maintain and operate and the like due to the fact that the retainer and the roller are very inconvenient to install and disassemble due to the special roller structure of the needle roller bearing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a combined type plane thrust needle roller bearing.

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

the utility model provides a modular plane thrust bearing, includes the outer lane, outer wall of outer lane one side is equipped with outer fender along outer circumference department, and inner circle wall central line department is equipped with interior convex ring in the outer lane, the outer lane is close to one side outer wall roll connection that outer kept off has rolling mechanism, rolling mechanism includes first holder, and the first holder is kept away from one side outer wall of outer lane and is offered the first logical groove that the equidistance is the circumference and distributes, first logical groove both sides inner wall roll connection has the kingpin, and first holder keeps away from so and the outer wall of outer lane has the second holder through the bolt fastening, one side roll connection that rolling mechanism kept away from the outer lane has the inner circle, and the outer wall of inner circle one side of keeping away from the outer lane is equipped with outer convex ring, the inner fender is equipped.

Preferably, the first retainer is close to the second retainer, and therefore the outer wall of the first retainer is provided with thread grooves distributed at equal intervals, the outer wall of the second retainer is close to the thread grooves and is provided with thread through holes, and the thread through holes and the corresponding inner walls of the thread grooves are screwed with the same bolt.

Preferably, the outer wall of the second retainer is provided with second through grooves at positions close to the first through grooves, and the specifications of the first through grooves and the second through grooves are matched with the specifications of the rolling needles.

Preferably, one end, far away from the outer ring, of the outer baffle is provided with a first clamping ring along the outer circular wall, and the inner circular wall of the outer convex ring is provided with a second clamping ring matched with the first clamping ring.

Preferably, the outer circle radius of the inner baffle is smaller than the inner circle radius of the outer ring, and the inner circle radius of the inner baffle is larger than the inner circle radius of the inner convex ring.

Preferably, the outer ring, the outer retainer, the first retainer ring and the inner collar are of an integrally formed structure, and the inner ring, the inner retainer, the outer convex ring and the second retainer ring are of an integrally formed structure.

The utility model has the advantages that:

1. through the arrangement of the first retainer, the second retainer and the bolts, the assembling operation method that the roller pins are required to be embedded into the retainer by pressure in the traditional roller bearing is avoided, so that the roller pins and the retainer are more convenient to install, the assembling efficiency is improved, and the operation is more convenient when the bearing is required to be disassembled and maintained.

2. Through keeping off the setting of outer, first rand, outer bulge loop and second rand, the leakproofness of guarantee bearing excircle through keeping off in with the setting of interior bulge loop, has ensured the leakproofness of circle in the bearing, and the bearing leakproofness is good, and in addition, the internal diameter that keeps off in is greater than the internal diameter of interior bulge loop, also avoids the friction of installation transmission shaft rear drive axle and outer lane stator, reduces the bearing coefficient of friction, increases bearing life.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a combined type flat thrust needle roller bearing provided by the present invention;

fig. 2 is a partial enlarged view of fig. 1 according to the present invention.

In the figure: the structure comprises an outer ring 1, an outer retainer 2, a first retainer 3, an inner retainer 4, a first retainer 5, a needle roller 6, a second retainer 7, a bolt 8, an inner ring 9, an inner retainer 10, an outer convex ring 11 and a second retainer 12.

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.

Referring to fig. 1-2, a combined type plane thrust needle roller bearing comprises an outer ring 1, an outer wall of one side of the outer ring 1 is provided with an outer baffle 2 along an outer circumference, an inner convex ring 4 is arranged at the center line of the inner wall of the outer ring 1, an outer wall of one side of the outer ring 1 close to the outer baffle 2 is connected with a rolling mechanism in a rolling way, the rolling mechanism comprises a first retainer 5, a first through groove which is equidistantly distributed in a circumferential way is arranged on the outer wall of one side of the first retainer 5 far away from the outer ring 1, needle rollers 6 are connected with inner walls of two sides of the first through groove in a rolling way, a second retainer 7 is fixed on the outer wall of the first retainer 5 far away from the outer ring 1 through bolts, an inner ring 9 is connected with one side of the rolling mechanism far away from the outer ring 1 in a rolling way, an outer convex ring 11 is arranged on one side of the outer wall of the inner ring 9 far away from the outer ring 1, the outer wall of the second retainer 7 is close to the thread groove and is provided with thread through holes, the thread through holes are connected with the same bolt 8 through the corresponding thread groove inner wall in a threaded mode, the outer wall of the second retainer 7 is close to the first through groove and is provided with a second through groove, the specifications of the first through groove and the second through groove are matched with the specifications of the needle roller 6, one end, away from the outer ring 1, of the outer baffle 2 is provided with a first clamping ring 3 along the outer circular wall, the inner circular wall of the outer convex ring 11 is provided with a second clamping ring 12 matched with the first clamping ring 3, the outer circular radius of the inner baffle 10 is smaller than that of the outer ring 1, the inner circular radius of the inner baffle 10 is larger than that of the inner convex ring 4, the outer ring 1, the outer baffle 2, the first clamping ring 3 and the inner convex ring 4 are of an integrally formed structure, the inner ring 9, the.

The working principle is as follows: through the arrangement of the first retainer 5, the second retainer 7 and the bolt 6, the assembling operation method that the roller pin 6 needs to be embedded into the retainer by pressure in a traditional roller pin 6 bearing is avoided, the roller pin 6 and the retainer are more convenient to install, the assembling efficiency is improved, the bearing is more convenient to disassemble and maintain, the bearing is provided with the outer retainer 2, the first retainer ring 3, the outer convex ring 11 and the second retainer ring 12, the sealing performance of the excircle of the bearing is guaranteed, the sealing performance of the inner circle of the bearing is guaranteed by the arrangement of the inner retainer 10 and the inner convex ring 4, the sealing performance of the bearing is good, in addition, the inner diameter of the inner retainer 10 is larger than that of the inner convex ring 4, the friction between a transmission shaft and a stator 1 of an outer ring after the transmission shaft is installed is also avoided, the friction coefficient of the.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A combined type plane thrust needle roller bearing comprises an outer ring (1) and is characterized in that an outer wall of one side of the outer ring (1) is provided with an outer baffle (2) along the outer circumference, an inner convex ring (4) is arranged at the center line of the inner wall of the outer ring (1), the outer wall of one side of the outer ring (1) close to the outer baffle (2) is connected with a rolling mechanism in a rolling manner, the rolling mechanism comprises a first retainer (5), a first through groove which is distributed in a circumferential manner at equal intervals is formed in the outer wall of one side of the first retainer (5) far away from the outer ring (1), the inner walls of two sides of the first through groove are connected with needle rollers (6) in a rolling manner, the first retainer (5) is far away from the outer ring (1), so that the outer wall is fixed with a second retainer (7) through bolts, one side of the rolling mechanism far away from the outer ring (1) is connected with an inner ring (, an inner baffle (10) is arranged on the outer wall of one side of the inner ring (9) close to the outer ring (1) along the inner circumference.

2. The needle roller bearing with the combined planar thrust is characterized in that the first retainer (5) is provided with screw grooves which are distributed equidistantly and are close to the outer wall of the second retainer (7), the outer wall of the second retainer (7) is provided with screw through holes which are all provided with the same bolt (8) in a screwed mode with the corresponding screw groove inner wall.

3. The combined type plane thrust needle roller bearing is characterized in that the outer wall of the second retainer (7) is provided with a second through groove at the position close to the first through groove, and the specifications of the first through groove and the second through groove are matched with the specification of the needle rollers (6).

4. A combined needle roller thrust plane bearing according to claim 1, characterized in that the end of the outer retainer (2) away from the outer ring (1) is provided with a first collar (3) along the outer circumferential wall, and the inner circumferential wall of the outer protruding ring (11) is provided with a second collar (12) adapted to the first collar (3).

5. A combined needle roller thrust flat bearing according to claim 1, characterised in that the outer radius of the inner stops (10) is smaller than the inner radius of the outer ring (1) and the inner radius of the inner stops (10) is larger than the inner radius of the inner ring (4).

6. The needle roller bearing assembly as claimed in claim 1, wherein the outer ring (1), the outer retainer (2), the first retainer (3) and the inner collar (4) are of one-piece construction, and the inner ring (9), the inner retainer (10), the outer collar (11) and the second retainer (12) are of one-piece construction.