CN212803929U - Thrust bearing assembly - Google Patents

Abstract

The utility model discloses a thrust bearing subassembly, thrust bearing frame's interface is the T type of inversion, and upper portion is circular boss, and the lower part is circular platform, and middle the opening has the through-hole that runs through to the axle can pass the through-hole, and circular platform is provided with the recess from bottom to top, and the embedding of graphite rotating ring sets up in the recess. The utility model discloses, effectively the normal rotation of earth's axis, thrust bearing assembly's security and stability have been promoted, and through setting up the graphite rotating ring, the embedding sets up at the recess, thrust bearing assembly's structure has been optimized, thrust bearing assembly's sealing performance has been promoted simultaneously, and except that the sheath is thin wall metal material, other parts are rubber and graphite, the whole quality is light, inertia is little, make radial dimension compare traditional structure and reduce greatly, the circumferencial direction linear velocity is showing the reduction under the same rotational speed, can adapt to higher rotational speed's operating mode.

Description

Thrust bearing assembly

Technical Field

The utility model relates to a technical field is connected to the bearing, concretely relates to thrust bearing subassembly.

Background

The thrust ball bearing is a separated bearing, and a shaft ring and a seat ring can be separated from a retainer and a steel ball assembly. The shaft ring is a ring matched with the shaft, the seat ring is a ring matched with the bearing seat hole, a gap is reserved between the seat ring and the shaft, and the thrust ball bearing can only bear axial load.

Present thrust bearing subassembly provides the axial holding power that lasts for the motor, and traditional plane thrust bearing adopts last thrust bearing seat and motor shaft rigid key groove to be connected, and the thrust bearing rotating ring is fixed on the thrust bearing seat, and lower thrust disc subassembly includes thrust disc seat, but the thrust tile and the bottom sprag structure of the angle of adjustment of a certain quantity constitute, go up thrust disc subassembly and follow and turn, and lower thrust disc subassembly is static, and this kind of form has following problem:

(1) the structure is complex, the installation process is complicated, and the maintenance is not easy;

(2) when the motor is used, the motor usually has a larger rotating speed, and the thrust bearing assembly of the transmission structure has large mass and cannot adapt to the working condition of high rotating speed.

In view of the above, there is a need for an improved thrust bearing assembly structure to optimize the thrust bearing assembly structure and reduce the thrust bearing assembly mass.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that current thrust bearing subassembly structure is complicated, the big problem of quality.

In order to solve the above technical problem, the utility model provides an adopted technical scheme is to provide a thrust bearing subassembly, including bearing and axle, still include:

the thrust bearing seat is made of oil-resistant rubber, the upper part of the thrust bearing seat is a circular boss, the lower part of the thrust bearing seat is a circular platform, a through hole is formed in the middle of the thrust bearing seat and sleeved on the shaft, and a groove is formed in the circular platform from bottom to top;

the graphite movable ring is embedded in the groove;

the thin-wall sheath is made of stainless steel and is arranged by wrapping the round side surface and the upper surface of the round platform;

radial grooves are radially distributed on the end face of the bearing.

In the technical scheme, the thin-wall sheath is made of stainless steel, and the thrust bearing seat, the graphite movable ring and the thin-wall sheath are integrally vulcanized and bonded into a whole.

In the above technical scheme, the thrust bearing seat is flexibly connected with the shaft and is in close rotational contact with the end surface of the bearing.

In the above technical scheme, the thickness of the graphite rotating ring is not less than the depth of the groove.

In the technical scheme, the thin-wall sheath is formed by pressing in a spinning and curling mode.

In the above technical solution, the bearing sleeve is disposed on the shaft and below the graphite rotating ring.

Compared with the prior art, the thrust bearing assembly of the utility model has the advantages that the interface of the thrust bearing seat is of an inverted T shape, the upper part is a circular boss, the lower part is a circular platform, the middle part is provided with a through hole so that a shaft can pass through the through hole, the circular platform is provided with a groove from bottom to top, the graphite rotating ring is embedded in the groove, thereby effectively improving the normal rotation of the shaft, improving the safety and the stability of the thrust bearing assembly, the graphite rotating ring is embedded in the groove, optimizing the structure of the thrust bearing assembly, simultaneously improving the sealing performance of the thrust bearing assembly, and except that the sheath is made of thin-wall metal material, other parts are rubber and graphite, the whole mass is light, the rotational inertia is small, the radial dimension is greatly reduced compared with the traditional structure, the circumferential linear velocity is obviously reduced under the same rotating speed, and the thrust bearing assembly can adapt to the working condition of higher, the thin-wall sheath wraps up the surface that can protect the thrust bearing frame in the round side face and the upper surface setting of circular platform, guarantees thrust bearing subassembly's life, promotes user experience.

Drawings

FIG. 1 is a cross-sectional view of a thrust bearing assembly of the present invention;

FIG. 2 is a front view of a thrust bearing assembly and bearing of the present invention;

FIG. 3 is a perspective view of a thrust bearing assembly of the present invention;

FIG. 4 is a cross-sectional view of the middle thrust bearing seat and the thin-walled sheath of the present invention;

fig. 5 is a cross-sectional view of the graphite rotating ring of the thrust bearing assembly of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 5 is:

the thrust bearing comprises a 100 thrust bearing seat, a 101 circular boss, a 102 circular platform, a 103 through hole, a 104 groove, a 200 graphite rotating ring, a 300 thin-wall sheath, a 400 bearing and a 401 radial groove.

Detailed Description

The utility model provides a thrust bearing subassembly can realize optimizing thrust bearing subassembly's structure, reduces the effect of thrust bearing subassembly quality. The invention is described in detail below with reference to the drawings and the detailed description.

As shown in fig. 1 to 5, the present invention provides a thrust bearing assembly, which includes a bearing 400 and a shaft, and further includes:

the thrust bearing pedestal 100 is made of oil-resistant rubber, the upper part of the thrust bearing pedestal is a circular boss 101, the lower part of the thrust bearing pedestal is a circular platform 102, a through hole 103 is formed in the middle of the thrust bearing pedestal and is connected with the axle holding shaft, and the circular platform 102 is provided with a groove 104 from bottom to top;

the graphite rotating ring 200 is embedded in the groove 104;

the thin-wall sheath 300 is made of stainless steel and is arranged by wrapping the round side surface and the upper surface of the round platform 102;

radial grooves 401 are radially distributed on the end surface of the bearing 400.

In this embodiment, the interface of the thrust bearing seat 100 is in an inverted T shape, the upper portion is a circular boss 101, the lower portion is a circular platform 102, the middle portion is provided with a through hole 103 so that a shaft can pass through the through hole 103, the circular platform 102 is provided with a groove 104 from bottom to top, a graphite rotating ring 200 is embedded in the groove 104, the thrust bearing seat 100 can effectively rotate normally, the safety and the stability of the thrust bearing assembly are improved, the structure of the thrust bearing assembly is optimized by arranging the graphite rotating ring 200 to be embedded in the groove 104, the sealing performance of the thrust bearing assembly is improved, except that a sheath is made of thin-wall metal, other components are rubber and graphite, the overall mass is light, the rotational inertia is small, the radial size is greatly reduced compared with the traditional structure, the circumferential linear velocity is remarkably reduced under the same rotational speed, and the working condition of higher rotational speed can be adapted, the thin-walled sheath 300 is wrapped on the round side surface and the upper surface of the round platform 102, so that the outer surface of the thrust bearing seat 100 can be protected, the service life of the thrust bearing assembly is guaranteed, and the user experience is improved.

In the process of mounting the shaft and the thrust bearing assembly, the outer side of the circular boss 101 is wrapped by the inner diameter of the end cover, and the larger contact area of the inner side and the outer side can ensure continuous holding force; radial grooves 401 are radially distributed on the end face of the bearing 400, so that the bearing 400 simultaneously plays the roles of a radial bearing and a plane thrust bearing and replaces a lower thrust disc component with a traditional structure.

In an embodiment of the present invention, preferably, the thin-walled sheath 300 is made of stainless steel, and the thrust bearing housing 100, the graphite rotating ring 200 and the thin-walled sheath 300 are integrally vulcanized and bonded into a whole.

In this embodiment, the thin-wall sheath 300 is made of stainless steel, so that the production cost is saved while the strength is ensured, and the thrust bearing block 100, the graphite movable ring 200 and the thin-wall sheath 300 are integrally vulcanized, so that the thin-wall sheath can be bonded into a whole, and meanwhile, the wear resistance, the seizure resistance and the twisting and wearing resistance of the thin-wall sheath 300 are greatly improved, and the user experience is improved.

In an embodiment of the present invention, preferably, the thrust bearing seat is made of oil-resistant rubber, and is flexibly connected to the shaft and in close rotational contact with the bearing end surface.

In this embodiment, the thrust bearing block 100 is made of oil-resistant rubber, has light overall weight and small rotational inertia, can be adaptively adjusted within a certain angle range under an axial load, and is in close rotational contact with the end face of the bearing 400, the radial groove 401 of the bearing 400 can continuously generate an oil film during high-speed rotation, and the surface molecular tension of the oil film liquid can provide continuous thrust.

In an embodiment of the present invention, the thickness of the graphite rotating ring 200 is preferably not less than the depth of the groove 104.

In this embodiment, the thickness of the graphite rotating ring 200 is not less than the depth of the groove 104, so that the graphite rotating ring 200 protrudes from the lower surface of the thrust bearing seat 100, effectively ensuring the sealing performance of the thrust bearing assembly.

In one embodiment of the present invention, the thin-walled sheath 300 is preferably press-formed by spin-to-crimp.

In this embodiment, the thin-walled sheath 300 is press-formed by spin-on crimping and is attached to the circular side and upper surface of the circular platform 102 of the thrust bearing housing 100 to protect the thrust bearing housing 100.

In an embodiment of the present invention, preferably, the bearing 400 is sleeved on the shaft and disposed below the graphite rotating ring 200.

The utility model discloses a thrust bearing assembly, the interface of thrust bearing frame is the T type of inversion, upper portion is circular boss, the lower part is circular platform, the centre is opened has the through-hole that runs through, so that the axle can pass the through-hole, circular platform is provided with the recess from bottom to top, the embedding of graphite rotating ring sets up in the recess, thereby effectively the normal rotation of axle, the security and the stability of thrust bearing assembly have been promoted, and through setting up graphite rotating ring, the embedding sets up in the recess, the structure of thrust bearing assembly has been optimized, simultaneously the sealing performance of thrust bearing assembly has been promoted, and except that the sheath is thin wall metal material, other parts are rubber and graphite, the whole quality is light, the rotational inertia is little, make the radial dimension greatly reduce compared with traditional structure, the circumferencial direction linear velocity is showing to reduce under the same rotational speed, can adapt to the operating mode of higher rotational speed, thin wall sheath is set up in the round side and the upper surface that circular, the service life of the thrust bearing assembly is guaranteed, and the user experience is improved.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.

Claims (6)

1. A thrust bearing assembly comprising a bearing and a shaft, further comprising:

the thrust bearing seat is made of oil-resistant rubber, the upper part of the thrust bearing seat is a circular boss, the lower part of the thrust bearing seat is a circular platform, a through hole is formed in the middle of the thrust bearing seat and is connected with the axle holding shaft, and a groove is formed in the circular platform from bottom to top;

the graphite movable ring is embedded in the groove;

the thin-wall sheath is made of stainless steel and is arranged by wrapping the round side surface and the upper surface of the round platform;

radial grooves are radially distributed on the end face of the bearing.

2. A thrust bearing assembly according to claim 1, wherein said thrust bearing housing, said graphite rotating ring and said thin walled shroud are integrally vulcanized and bonded together as a unit.

3. A thrust bearing assembly as set forth in claim 1 wherein said thrust bearing housing is of an oil resistant rubber material flexibly connected to said shaft in close rotational contact with said bearing end face.

4. A thrust bearing assembly according to claim 1, wherein the thickness of said graphite rotating ring is not less than the depth of said recess.

5. A thrust bearing assembly according to claim 1, wherein said thin walled boot is press formed by spin-rolling.

6. A thrust bearing assembly as set forth in claim 1 wherein said bearing sleeve is disposed on said shaft below said graphite rotating ring.

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