CN114673727A

CN114673727A - Thrust bearing, hybrid transmission and vehicle

Info

Publication number: CN114673727A
Application number: CN202210362700.XA
Authority: CN
Inventors: 曹腾; 赵玉婷; 王丹丹; 付军; 谭艳军; 林霄喆
Original assignee: Wuxi Xingqu Power Technology Co ltd; Wuxi Xingqu Technology Co ltd; Zhejiang Geely Holding Group Co Ltd
Current assignee: Wuxi Xingqu Power Technology Co ltd; Wuxi Xingqu Technology Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-06-28
Anticipated expiration: 2042-04-07
Also published as: CN114673727B

Abstract

The invention discloses a thrust bearing, a hybrid transmission and a vehicle, wherein the thrust bearing is used for the hybrid transmission and comprises a first corner piece, a second corner piece and a retainer assembly, and the first corner piece comprises a first straight section; the second corner piece comprises a second straight edge section and a second bending section connected with the second straight edge section; the retainer assembly comprises a retainer and a rolling body arranged in the retainer, the first straight section, the second straight section and the second bent section are enclosed to form an accommodating space with an opening facing one side, and the retainer assembly is arranged in the accommodating space. The technical scheme of the invention solves the problem that the retainer is broken due to the impact generated between the retainer and the corner piece in the radial direction in the thrust bearing rotation process.

Description

Thrust bearing, hybrid transmission and vehicle

Technical Field

The invention relates to the technical field of bearings, in particular to a thrust bearing, a hybrid transmission and a vehicle.

Background

The thrust bearing is arranged on the output shaft of the hybrid transmission, the efficiency can be improved and the noise can be reduced compared with a double-cone roller bearing structure, but the thrust bearing needs to be aligned during the operation (because the axial force operation direction on the shaft is related during the operation, the axial direction can be reversed during the acceleration and the deceleration, the thrust bearing center can move from the lowest end to the upper end in the process that the thrust bearing is loosely matched and pressed in the reverse process, the alignment is carried out in the process), the bearing retainer can be impacted by the radial direction of the corner piece in the aligning process to cause the fracture of the retainer of the thrust bearing, namely, when the thrust bearing with the existing structure is operated in a real vehicle, the intermediate shaft on the intermediate shaft can be quickly switched from the dragging working condition to the dragging working condition due to the road stability, a deceleration strip or a road block and the like in a reaction manner, and the axial force of the intermediate shaft can reversely impact the bearing, after the thrust shaft bears the impact, the bearing retainer is broken due to the fact that the retainer impacts the corner piece.

Disclosure of Invention

The invention mainly aims to provide a thrust bearing, aiming at solving the problem of impact between a retainer and a corner piece in the operation process of the thrust bearing.

To achieve the above object, the present invention provides a thrust bearing for a hybrid transmission, the thrust bearing including:

a first gusset comprising a first straight section;

the second corner piece comprises a second straight edge section and a second bent section connected with the second straight edge section; and

the rolling element is arranged in the retainer, the first straight section, the second straight section and the second bent section are enclosed to form an accommodating space with an opening facing one side, and the retainer is arranged in the accommodating space.

Optionally, the opening is towards an outside of the cage assembly near the hybrid transmission case.

Optionally, thrust bearing still includes the preforming, first corner piece be located the retainer subassembly with between the preforming, the preforming with first corner piece fixed connection, the preforming is in open-ended one side is equipped with the installation department, the installation department is used for with the casing fixed connection who mixes dynamic transmission.

Optionally, the pressing piece is integrally provided with the first corner piece.

Optionally, the pressing piece is fixed with the first corner piece in a clamping mode.

Optionally, the first corner piece further includes a first bending section connected to the first straight section, the first bending section extends along a direction close to the pressing piece, a buckle is arranged at an end of the first bending section far away from the first straight section, a buckling groove is arranged on the pressing piece corresponding to the buckle, and the first bending section and the pressing piece are fixed by being clamped to the buckle and the buckling groove.

Optionally, the plurality of buckles are provided, the buckle groove is an annular groove, and the plurality of buckles are inserted into the annular groove.

Optionally, a plurality of the buckles are arranged at intervals on the first bending section.

The invention also proposes a hybrid transmission comprising: an output shaft, a thrust bearing as described above mounted to the output shaft, a support bearing mounted to the output shaft for receiving radial forces.

The invention also proposes a vehicle comprising: a hybrid transmission as described above.

According to the technical scheme, the first corner piece, the second corner piece and the retainer assembly are adopted, and the first corner piece comprises a first straight section; the second corner piece comprises a second straight edge section and a second bending section connected with the second straight edge section; the retainer assembly comprises a retainer and a rolling body arranged in the retainer, the first straight section, the second straight section and the second bent section are enclosed to form an accommodating space with an opening facing one side, and the retainer assembly is arranged in the accommodating space. Thrust bearing installs on the output shaft for open-ended setting for the bearing holder can be followed the opening direction motion in the aligning process, has avoided the holder that leads to because of assaulting first fillet or second fillet and has taken place the fracture problem, and thrust bearing is when the aligning operation, and the holder can be the free up-and-down operation can not produce any collision, avoids the production of noise.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of a thrust bearing of the present invention;

FIG. 2 is an exploded view of the thrust bearing of FIG. 1;

FIG. 3 is a schematic view of the thrust bearing of FIG. 1 with the sheeting removed;

fig. 4 is a schematic structural view of the thrust bearing of fig. 1 disposed on the output shaft.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Thrust bearing	3	Holder assembly
1	Tabletting	4	Holding rack
				11	Mounting part	5	Rolling body
111	Mounting hole	6	First corner piece
				12	Annular groove	61	A first straight section
121	Mounting chamfer	62	First bending section
				2	Second corner piece	621	Buckle
21	Second straight side section	622	Guide surface
				22	Second bending section	20	Output shaft
23	Arc chamfer	30	Support bearing

The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention aims to solve the problem that a retainer breaks and fails due to the fact that an angle sheet is impacted when a thrust bearing of an intermediate shaft of an existing hybrid special transmission is applied.

Therefore, the invention provides a thrust bearing.

Referring to fig. 1 to 3, the thrust bearing 10 includes a first corner piece 6, a second corner piece 2, and a retainer assembly 3; the first gusset 6 includes a first straight section 61; the second corner piece 2 comprises a second straight section 21 and a second bent section 22 connected with the second straight section 21; the retainer assembly 3 comprises a retainer 4 and rolling bodies 5 mounted in the retainer 4, the first straight section 61, the second straight section 21 and the second bent section 22 enclose and form an accommodating space with an opening facing one side, and the retainer assembly 3 is arranged in the accommodating space.

The thrust bearing 10 is installed on an output shaft 20 of the hybrid transmission, the first corner piece 6 and the second corner piece 2 are annular, the retainer assembly 3 is arranged between the first corner piece 6 and the second corner piece 2, and the problem that the retainer assembly 3 radially impacts the first corner piece 6 and the second corner piece 2 to cause fracture of the retainer 4 in the aligning process in the actual vehicle running process is avoided.

In the present embodiment, the opening is directed toward the outer side of the cage assembly 3 near the hybrid transmission case, as shown in fig. 1. In the operation process, when the retainer assembly 3 moves towards the outer side along the radial direction, the first corner piece 6 and the second corner piece 2 cannot impact the retainer 4, so that the problem that the retainer 4 is broken due to the fact that the retainer 4 collides with the first corner piece 6 and the second corner piece 2 along the radial direction in the aligning process is solved.

In other embodiments, the first straight section 61, the retainer assembly 3, and the second straight section 21 are arranged in the axial direction, and the opening of the accommodating space formed by the first straight section 61, the second straight section 21, and the second bent section 22 faces the inner side of the retainer assembly 3 away from the hybrid transmission case. The first angle piece 6 is close to one side of the mixing converter box body, the second angle piece 2 is close to one side of the output shaft 20, in the actual operation process, because of the opening arrangement, in the aligning process of the thrust bearing 10, the inward opening cannot impact the retainer 4, and because of no impact force given by the inner side, even if the retainer 4 slightly impacts the other side, the retainer 4 cannot be broken.

According to the technical scheme, the first corner piece 6, the second corner piece 2 and the retainer assembly 3 are adopted, and the first corner piece 6 comprises a first straight section 61; the second corner piece 2 comprises a second straight section 21 and a second bent section 22 connected with the second straight section 21; the retainer assembly 3 comprises a retainer 4 and rolling bodies 5 mounted in the retainer 4, the first straight section 61, the second straight section 21 and the second bent section 22 enclose and form an accommodating space with an opening facing one side, and the retainer assembly 3 is arranged in the accommodating space. Thrust bearing 10 installs on output shaft 20 for open-ended setting for bearing holder 4 can be followed the opening direction motion in the aligning process, has avoided because of assaulting the holder 4 fracture problem that first corner piece 6 or second corner piece 2 lead to, and thrust bearing 10 is when the aligning operation, and holder 4 can be the free up-and-down motion can not produce any collision, avoids the production of noise.

In order to solve the problem of fixed installation of the thrust bearing 10 when the opening faces outward. In this embodiment, the thrust bearing 10 further includes a pressing plate 1, the first corner piece 6 is located between the retainer assembly 3 and the pressing plate 1, the pressing plate 1 is fixedly connected to the first corner piece 6, the pressing plate 1 is provided with an installation portion 11 on one side of the opening, and the installation portion 11 is used for being fixedly connected to a housing of the hybrid transmission.

Referring to fig. 1 and 2, in the present embodiment, a mounting portion 11 is provided on the pressing plate 1, and the mounting portion 11 is provided with a mounting hole 111, and the mounting hole 111 is used for connecting and fixing with a transmission housing, such as fixing by a bolt; in order to ensure the stability of circumferential fixation, the mounting part 11 of the pressing sheet 1 is provided with a plurality of, such as two symmetrical, three spaced, etc., preferably three mounting parts 11 distributed at intervals, and the mounting holes 111 on the three mounting parts 11 are fixedly connected with the casing, so that the stability of the structure can be ensured, and the firm connection with the casing can be ensured. The retainer assembly 3 comprises a rolling body 5 and a retainer 4 for mounting the rolling body 5, and the retainer 4 wraps all the rolling bodies 5 and moves along with the rolling bodies; the rolling bodies 5 can be roller pins or balls, the retainer assembly 3 is arranged between the pressing sheet 1 and the inner corner sheet 2, the inner corner sheet 2 is fixed on an output shaft 20 of the speed changer, when the thrust bearing 10 works, particularly when the load is complex and the thrust bearing rotates at high speed, the retainer 4 needs to bear great centrifugal force, impact and vibration, when the thrust bearing 10 works, the pressing sheet 1 is fixedly connected with the shell of the speed changer through three fixing bolts, and when the thrust bearing 10 runs in a self-aligning mode, the retainer 4 can freely run up and down without generating any collision, so that the collision between the retainer 4 and the bearing pressing sheet 1 in the running process of the thrust bearing 10 is completely avoided, and the problem that a bearing roller slides due to the forced deformation of the retainer 4 is solved; in addition, the bearing efficiency is improved because the impact and the friction loss in the operation process are reduced, the impact is effectively reduced, and the noise can be reduced.

In addition, when the load is complicated and the rotation is performed at high speed, the cage 4 is subjected to a large centrifugal force, impact, and vibration, and a large sliding friction exists between the cage 4 and the rolling elements 5, and a large amount of heat is generated. The combined effect of the forces and heat can lead to failure of the cage 4, which in severe cases can lead to burning and fracture of the cage 4. Therefore, the material of the retainer 4 is required to have good thermal conductivity, good wear resistance, small friction coefficient, smaller density, certain combination of strength and toughness, better elasticity and rigidity, expansion coefficient similar to that of the rolling body 5 and good technological performance. In addition, the cage 4 is subjected to chemical agents, such as lubricants, lubricant additives, organic solvents, coolants, and the like. This scheme adopts the opening that first straight edge section 61, second straight edge section 21 and second bending segment 22 constitute, can be so that the bearing roller with incasement splash the oil relevance, the lubricated level and the heat-sinking capability of thrust bearing 10 that have promoted the life-span of bearing.

In other embodiments, the pressing sheet 1 is integrally provided with the first corner piece 6. Such as stamping, injection molding, etc. The pressure plate 1 integrates the function of the first angular plate 6 on the thrust bearing 10.

Further, the pressing sheet 1 is clamped and fixed with the first corner sheet 6.

In order to ensure the structural stability and reliability of the thrust bearing 10, the first angle piece 6 and the pressing piece 1 are arranged in a split mode and are fixed through clamping. The preforming 1 can play bearing support structure, and it is inseparabler to optimize thrust bearing 10's overall structure, cooperation, and first corner piece 6 is fixed through with 1 joint of preforming, and preforming 1 is connected with the casing of derailleur, guarantees thrust bearing 10's stability. In order to ensure that the retainer 4 cannot impact the first corner piece 6 when the retainer assembly 3 rotates at a high speed with a complex load, the first corner piece 6 cancels the flange at the outer side, and the phenomenon that the retainer 4 of the thrust bearing 10 is broken due to the impact of the first corner piece 6 in the aligning process is avoided.

Specifically, the first corner piece 6 further includes a first bending section 62 connected to the first straight section 61, the first bending section 62 extends in a direction close to the pressing piece 1, a buckle 621 is disposed at an end of the first bending section 62 away from the first straight section 61, a buckle groove is disposed on the pressing piece 1 corresponding to the buckle 621, and the first bending section 62 and the pressing piece 1 are fixed by the buckle 621 and the buckle groove in a clamping manner.

Referring to fig. 1 to 3, in this embodiment, in order to prevent the first corner piece 6 from falling down when it is turned over and to facilitate assembly and disassembly, the first corner piece 6 is fixed on the pressing sheet 1 in a snap-fit manner, the cross sections of the first straight section 61 and the first bending section 62 of the first corner piece 6 are substantially "L" shaped, the end of the first bending section 62 is provided with a snap 621, the inner ring of the pressing sheet 1 is placed on the first bending section 62, and then the snap 621 of the first bending section 62 is inserted into the snap slot of the pressing sheet 1 for fixing, and the form of the snap slot may be various, for example, the snap slot of the pressing sheet 1 and the snap 621 are arranged in a one-to-one correspondence; the arrangement position of the catching groove can be the arrangement at the inner ring of the pressing sheet 1, the arrangement at the side surface of the pressing sheet 1, and the like.

In addition, the first angle sheet 6 is arranged in an L shape, and the first angle sheet 6 cancels a flange facing one side in the transmission box body to form an opening, so that the retainer assembly 3 is associated with oil splashed in the box body, the lubrication level and the heat dissipation capacity of the thrust bearing 10 are improved, and the service life of the thrust bearing 10 is prolonged.

Referring to fig. 1 to 3, in particular, the plurality of the snap tabs 621 are provided, the snap slot is an annular slot 12, and the plurality of the snap tabs 621 are inserted into the annular slot 12.

So that the first corner piece 6 is more stably fixed with the pressing piece 1. The catching groove is annular, and processing is convenient on the one hand, and on the other hand also can guarantee the convenience of equipment.

In order to facilitate the installation and disassembly of the first corner piece 6 and the pressing piece 1 and prevent the first corner piece 6 and the pressing piece 1 from falling down during the turnover, the plurality of buckles 621 are uniformly arranged at the first bending section 62 at intervals. That is, a plurality of buckles 621 are additionally arranged on the L-shaped short side of the first corner piece 6 of the thrust bearing 10, and the buckles 621 are arranged in a protruding manner and are combined with the annular groove 12 formed by the pressing piece 1 to fix the position of the first corner piece 6, so that the first corner piece is prevented from falling off during overturning.

In this embodiment, there are three buckles 621, the three buckles 621 are all arranged along the circumferential direction of the first bending section 62, and the first tab 6 of the thrust bearing 10 is fixed on the pressing sheet 1 by the three buckles 621 on the short side of the first tab; the preforming 1 of thrust bearing 10 is equipped with the ring channel 12 that holds three buckle 621, and installation buckle 621 on thrust bearing 10's first fillet 6, three total circumferencial directions adopt equipartition or non-equipartition mode to set up, treat that installation buckle 621 impresses back in the ring channel 12 of preforming 1, preforming 1 is connected fixedly through construction bolt and derailleur casing. Therefore, the problem of possible impact between the retainer 4 and the first corner piece 6 in the operation process of the thrust bearing 10 is solved, the possibility of noise generation is solved, and the first corner piece 6 is prevented from falling off when the buckle 621 is matched with the annular groove 12 of the pressing piece 1 to overturn. The first angle piece 6 is arranged in an L shape, a flange is cancelled (only a bending section at one end is reserved), so that the collision between the retainer 4 and the first angle piece 6 in the operation process of the thrust bearing 10 can be completely avoided, and the problem of bearing roller slip caused by the forced deformation of the retainer 4 is solved; in addition, when the pressing sheet 1 and the first corner piece 6 are assembled, a pressing-in mode is adopted, namely the first bending section 62 of the first corner piece 6 is pressed into the inner ring of the pressing sheet 1, the buckle 621 on the first bending section 62 is clamped into the annular groove 12 of the inner ring of the pressing sheet 1, for smooth assembly of the pressing sheet 1 and the first corner piece 6, the end part of the annular groove 12 of the pressing sheet 1, namely the end part of the inner ring, is provided with the installation chamfer 121, the installation chamfer 121 inclines towards the first straight section 61, the buckle 621 of the first bending section 62 is provided with a guide surface 622 corresponding to the installation chamfer 121, the inclination direction is the same as that of the installation chamfer 121, in the pressing-in process, the installation chamfer 121 and the guide surface 622 can play an installation guide role, and installation of the pressing sheet 1 and the first corner piece 6 is facilitated.

Referring to fig. 1 to 3, specifically, the second corner piece 2 includes a second straight section 21 and a second bent section 22, the second straight section 21 and the second bent section 22 are disposed in an "L" shape, and the holder assembly 3 is disposed on the second bent section 22 and between the first straight section 61 and the second straight section 21.

The first corner piece 6 of the thrust bearing 10 is of an L-shaped structure, and an opening facing the inside of the box is formed by removing the flanges of the first corner piece 6 and the second corner piece 2, so that a bearing roller is associated with oil splashed in the box, the lubricating level and the heat dissipation capacity of the bearing are improved, and the service life of the bearing is prolonged.

As shown in fig. 1 to 3, the first straight section 61 of the first gusset 6, the second straight section 21 of the second gusset 2, and the second bent section 22 form an opening toward the transmission case, and the lubricating oil in the case can flow into the retainer assembly 3 from the opening to lubricate the retainer assembly 3, reduce the friction system, and improve the heat dissipation.

Referring to fig. 1 to 3, specifically, the mounting portion 11 is provided with a mounting hole 111, and the mounting portion 11 is fixedly connected to a casing of the hybrid transmission by a bolt.

The pressing sheet 1 is convenient to mount and dismount with the transmission shell and is stable in fixation. The pressing sheet 1 of the thrust bearing 10 is fixed on a shell of a speed changer through three fixing bolts, and the first corner sheet 6 of the thrust bearing 10 is clamped and fixed in the annular groove 12 of the pressing sheet 1 through three buckles 621 on the short side of the first corner sheet 6; the second angle piece 2 of the thrust bearing 10 is fixed on the output shaft 20 through a buckle 621 of the inner ring; the output shaft 20 of the transmission is supported radially by a radial support bearing 30 to receive a force in a radial direction. When the device is operated, the output shaft 20 rotates to transmit power, and the thrust bearing 10 plays a role in supporting the output shaft 20 to operate; in this embodiment, the second corner piece 2 and the first corner piece 6 are both in an "L" shape, so as to ensure that the retainer 4 can freely move up and down without any collision when the thrust bearing 10 performs aligning operation.

Referring to fig. 1, further, the outer edge of the surface of the second fillet 2, which is in contact with the output shaft 20 of the hybrid transmission, is provided with a circular chamfer 23. The arc chamfer 23 can prevent the outer edge of the surface where the second corner piece 2 contacts the output shaft 20 from being damaged in the working process of the transmission, and the service life of the whole thrust bearing 10 is influenced.

In summary, the first corner piece 6 of the thrust bearing 10 is changed from the S-shape in the prior art to the L-shape structure, and by changing the structure of the first corner piece 6, the problem of possible impact between the retainer 4 and the first corner piece 6 during the operation of the thrust bearing 10 is solved. The first corner piece 6 is fixed by the cooperation of a buckle 621 formed by adding three mounting protrusions on the L-shaped short edge of the first corner piece 6 of the thrust bearing 10 and the step-shaped annular groove 12 of the pressing piece 1, so that the first corner piece 6 is prevented from falling during overturning. The pressing plate 1 is fixed to the housing by bolting by adding three mounting holes 111. Above solved thrust bearing 10 operation in-process between retainer 4 and the first fillet 6 striking problem that probably produces, solved the possibility that the noise produced, buckle 621 of first fillet 6 cooperates with the ring channel 12 of preforming 1, and preforming 1 drops the problem when having solved the upset. The structure of the invention can completely avoid the collision of the retainer 4 and the bearing first corner piece 6 in the operation process of the thrust bearing 10; the invention can solve the problem of bearing roller slipping caused by the forced deformation of the retainer 4; the bearing efficiency is improved because the impact and friction loss in the operation process are reduced; collision is effectively reduced, and noise can be reduced; the first corner piece 6 and the second corner piece 2 form an opening, so that the bearing roller is associated with oil splashed in the box, the lubrication level and the heat dissipation capacity of the thrust bearing 10 are improved, and the service life of the bearing is prolonged.

Referring to fig. 4, the present invention also provides a hybrid transmission including an output shaft 20, a thrust bearing 10 mounted to the output shaft 20, and a support bearing 30 mounted to the output shaft 20 for receiving a radial force. The specific structure of the thrust bearing 10 refers to the above-mentioned embodiments, and since the hybrid transmission adopts all the technical solutions of all the above-mentioned embodiments, at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments are achieved, and no further description is given here. The radial support bearing 30 may be replaced by a needle bearing/sliding bearing/ball bearing or the like, which may function as a radial support.

The invention also proposes a vehicle comprising: such as the hybrid transmission described above.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A thrust bearing for a hybrid transmission, the thrust bearing comprising:

a first gusset comprising a first straight section;

the retainer assembly comprises a retainer and rolling bodies arranged in the retainer, the first straight section, the second straight section and the second bent section are enclosed to form an accommodating space with an opening facing one side, and the retainer assembly is arranged in the accommodating space.

2. The thrust bearing of claim 1, wherein said opening is toward an outer side of said cage assembly proximate to a hybrid transmission case.

3. The thrust bearing of claim 2, further comprising a tab, wherein the first tab is positioned between the cage assembly and the tab, wherein the tab is fixedly coupled to the first tab, and wherein the tab is provided with a mounting portion on a side of the opening, the mounting portion configured to fixedly couple to a housing of a hybrid transmission.

4. A thrust bearing as set forth in claim 3 wherein said tab is integral with said first tab.

5. The thrust bearing of claim 3, wherein said tab is snap fit with said first tab.

6. The thrust bearing of claim 5, wherein the first corner piece further comprises a first bent section connected to the first straight section, the first bent section extends in a direction approaching the pressing piece, a buckle is disposed at an end of the first bent section away from the first straight section, a buckle groove is disposed on the pressing piece corresponding to the buckle, and the first bent section and the pressing piece are fixed by the buckle and the buckle groove in a clamping manner.

7. The thrust bearing of claim 6, wherein said snap is provided in plurality, said snap groove is an annular groove, and a plurality of said snap is inserted into said annular groove.

8. The thrust bearing of claim 7, wherein a plurality of said snaps are spaced apart in said first bend.

9. A hybrid transmission, comprising: an output shaft, a thrust bearing according to any one of claims 1 to 8 mounted to the output shaft, a support bearing mounted to the output shaft for receiving radial forces.

10. A vehicle, characterized by comprising: the hybrid transmission of claim 9.