CN216715181U

CN216715181U - Power transmission device and vehicle

Info

Publication number: CN216715181U
Application number: CN202123115103.7U
Authority: CN
Inventors: 巩明; 杨小龙; 王乐; 任丽杰; 武宝新; 谭超
Original assignee: Xian FC Intelligence Transmission Co Ltd
Current assignee: Xian FC Intelligence Transmission Co Ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-06-10
Anticipated expiration: 2031-12-10

Abstract

The utility model provides a power transmission device and a vehicle. The power transmission device is used for connecting an engine and a transmission, and comprises a front end cover, wherein the front end cover comprises a sleeve part and a shell part connected with one end of the sleeve part, and the power transmission device also comprises: the adapter is in a shaft shape and extends into the shaft hole of the sleeve part, and the adapter is rotatably connected with the sleeve part through a bearing; the flange is connected with a section, away from the shell, of the adapter, and is used for being connected with an output shaft of the engine; a flexible disk is connected to a section of the adapter adjacent the housing portion, the flexible disk being adapted for connection to a torque converter of the transmission.

Description

Power transmission device and vehicle

Technical Field

The utility model belongs to the technical field of vehicles, and relates to a power transmission device and a vehicle.

Background

Automobiles serve as a widely used vehicle, and the engine and transmission thereof are important components that determine the performance of the automobile.

However, in the process of transmitting the engine power to the transmission by the automobile, the engine and the transmission cannot be directly connected due to factors such as space structure limitation of the whole automobile.

Disclosure of Invention

The utility model aims to provide a power transmission device and a vehicle, aiming at overcoming the defects in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a power transmission device for connecting an engine and a transmission, comprising a front cover including a sleeve portion and a housing portion connected to one end of the sleeve portion, characterized by further comprising:

the adapter is in a shaft shape and extends into the shaft hole of the sleeve part, and the adapter is rotationally connected with the sleeve part through a bearing;

the flange is connected with a section, away from the shell, of the adapter, and is used for being connected with an output shaft of the engine;

and the flexible disk is connected with a section, close to the shell part, of the adapter, and is used for being connected with a hydraulic torque converter of the transmission.

The power transmission device further comprises a baffle plate connected with the end part of the adapter, and the flange is located between the baffle plate and the adapter.

And a first bearing and a second bearing which are arranged at intervals are arranged between the adapter and the sleeve part.

The power transmission device further comprises a shaft sleeve which is sleeved on the adapter and is located between the first bearing and the second bearing.

The power transmission device further comprises a gasket which is arranged between the shaft sleeve and the inner ring of the first bearing.

The power transmission device further comprises a first oil seal which is arranged between the adapter and the sleeve part and is positioned on one side of the first bearing, which is far away from the second bearing;

and the second oil seal is arranged between the adapter and the sleeve part and is positioned on one side of the second bearing far away from the first bearing.

The power transmission device further includes a breather plug provided on the sleeve portion and communicating with a region between the first bearing and the second bearing.

The power transmission device further includes an oil nipple provided on the sleeve portion and communicating with a region between the first bearing and the second bearing.

The flange is in circumferential limit connection with the adapter through a spline.

A vehicle includes an engine and a transmission, and the power transmission device described above that connects the engine and the transmission.

Compared with the prior art, the utility model has the following technical effects:

in the power transmission device, the power of the crankshaft of the engine is transmitted into the flange through the transmission shaft, then transmitted into the adapter through the spline, then transmitted into the flexible disk through the adapter, and then transmitted into the hydraulic torque converter of the transmission through the flexible disk, so that the power connection of the engine and the transmission is realized. The rotating speed of the rotating part of the power transmission device is the same as that of the crankshaft of the engine. The power transmission device is applied to the whole vehicle with the whole power assembly limited by space when the vehicle is arranged. Because the space structure of the chassis of part of vehicles is limited, the transmission and the engine can not be directly connected, and the transmission device is used as a device which can be flexibly arranged and skillfully transmits the power of the engine to the transmission.

Drawings

Fig. 1 is a sectional view of a power transmission device according to an embodiment of the present invention;

fig. 2 is an axial view of a power transmission device according to an embodiment of the present invention.

The meaning of the individual reference symbols in the figures is:

1. the hydraulic transmission device comprises a first oil seal, 2, a first bearing, 3, a vent plug, 4, a second bearing, 5, a front end cover, 6, a fifth bolt, 7, a cover plate, 8, a transmission shell, 9, a bolt, 10, a hydraulic torque converter, 11, a first bolt, 12, a gasket, 13, a flexible disk, 14, a second bolt, 15, an adapter, 16, a second oil seal, 17, a shaft sleeve, 18, a gasket, 19, a baffle plate, 20, a third bolt, 21, an O-shaped ring, 22, a flange, 23, a first opening, 24, a second opening, 25, a fuel nozzle, 30 and a power transmission device.

The present invention will be explained in further detail with reference to examples.

Detailed Description

The following embodiments of the present invention are provided, and it should be noted that the present invention is not limited to the following embodiments, and all equivalent changes based on the technical solutions of the present invention are within the protection scope of the present invention.

All directional terms, such as "circumferential" and "circumferentially" as referred to herein, are intended to correspond to a particular direction on the page in the drawings or to a corresponding direction in space as illustrated in the drawings.

Example (b):

the present embodiment first provides a power transmission device 30 for connecting an engine and a transmission, as shown in fig. 1, the power transmission device 30 including: front end cap 5, adapter 15, flange 22, flexible disk 13. The front end cover 5 comprises a sleeve part and a shell part connected with one end of the sleeve part; the adapter 15 is in a shaft shape and extends into the shaft hole of the sleeve part, and the adapter 15 is rotationally connected with the sleeve part through a bearing; a flange 22 is connected to a section of the adapter 15 remote from the housing part, the flange 22 being intended for connection to the output shaft of the engine; a flexible disk 13 is connected to a section of the adapter 15 adjacent to the housing part, the flexible disk 13 being intended to be connected to the hydrodynamic torque converter 10 of the transmission.

The whole vehicle can vibrate the transmission device when running, the vibration can reduce the transmission stability of the power transmission device, the flexible disk 13 is made of spring steel, and the flexible disk has good elasticity, can relieve the vibration generated by the whole vehicle, and enables the power transmission to be more stable. The material of flexible disk 13 is, for example, 65Mn spring steel, and flexible disk 13 is preferably made of a material with high strength and good elasticity.

In the power transmission device 30 of the embodiment, the crankshaft power of the engine is transmitted into the flange 22 through the transmission shaft, then transmitted into the adapter 15 through the spline, then transmitted into the flexible disk 13 through the adapter 15, and then transmitted into the hydraulic torque converter 10 of the transmission through the flexible disk 13, so that the power connection between the engine and the transmission is realized. The rotational speed of the rotating members of the power transmission device 30 is the same as the rotational speed of the crankshaft of the engine. The power transmission device 30 is applied to a whole vehicle in which the entire powertrain is spatially restricted at the time of vehicle layout. Because the space structure of the chassis of part of vehicles is limited, the transmission and the engine can not be directly connected, and the transmission device is used as a device which can be flexibly arranged and skillfully transmits the power of the engine to the transmission.

As shown in fig. 1, the front end cap 5 includes a first opening 23 and a second opening 24, and the adapter 15 is provided in the sleeve portion through the first opening 23 and protrudes out of the second opening 24. The left end of the flange 22 is connected with a transmission shaft at the output end of the crankshaft of the engine, and the right end of the flange 22 is connected with the adapter 15 through a spline so as to form circumferential limit for the flange 22 relative to the adapter 15. The front cover 5 is fixed to the transmission case 8 with a fourth bolt 9 for supporting the bearing and the bearing on which the adapter 15 is supported.

As shown in fig. 1, the power transmission device 30 further includes: the baffle 19, the baffle 19 can pass through the third bolt 20 with the tip of adapter 15 is connected, and flange 22 is located between baffle 19 and adapter 15, realizes the spacing to flange 22 position in axial.

As shown in fig. 1, a first bearing 2 and a second bearing 4 are provided at a distance between the adapter 15 and the sleeve portion for enabling the adapter 15 to rotate in the sleeve portion. The first bearing 2 and the second bearing 4 are provided in the sleeve portion through the first opening 23. The inner rings of the first bearing 2 and the second bearing 4 are fitted over the adapter 15, and the outer rings are fixed to the sleeve portions.

As shown in fig. 1, the power transmission device 30 further includes: and a sleeve 17. The adapter 15 is sleeved with the bearing, and is located between the first bearing 2 and the second bearing 4 for adjusting the play of the bearing. The sleeve 17 may fit over the adapter 15 through the second opening 24.

As shown in fig. 1, the power transmission device 30 further includes: and a spacer 18 provided between the sleeve 17 and the inner race of the first bearing 2. The shim 18 is used to adjust the play between the first bearing 2 and the second bearing 4, and after measuring the relevant dimensions, the shim 18 of the appropriate thickness is selected to fit in. Then the first bearing 2, the reloading flange 22 and the baffle plate 19 are sequentially arranged and fixed by a third bolt 20.

As shown in fig. 1, the power transmission device 30 further includes: a first oil seal 1 and a second oil seal 16. The first oil seal 1 is arranged between the adapter 15 and the sleeve portion and is positioned on one side of the first bearing 2 away from the second bearing 4; a second oil seal 16 is provided between the adapter 15 and the sleeve portion, on the side of the second bearing 4 remote from the first bearing 2. The first oil seal 1 is fitted from the second opening 24, and the second oil seal 16 is fitted from the first opening 23. The first oil seal 1 and the second oil seal 16 are used for sealing the cavity, so that the service life and the reliability of the first bearing 2 and the second bearing 4 are improved.

As shown in fig. 1, the power transmission device 30 further includes: and the O-shaped ring 21 is arranged at the joint of the flange 22 and the end face of the adapter 15 and used for sealing the cavity. After the O-ring 21 is mounted, the baffle plate 19 is mounted, and the baffle plate 19 is fixed by bolts.

As shown in fig. 1 and 2, the power transmission device 30 further includes: a breather plug 3 and a filler neck 25. The breather plug 3 and the filler neck 25 the breather plug 3 are provided on the sleeve portion and communicate with the region between the first bearing 2 and the second bearing 4. The oil nipple 25 is provided in the sleeve portion and communicates with a region between the first bearing 2 and the second bearing 4. The oil filling nozzle 25 is used for filling lubricating grease to lubricate the bearing, and the vent plug 3 is used for balancing the pressure of the inner cavity and the outer cavity.

As shown in fig. 1, the power transmission device 30 further includes: the washer 12, the flexible disk 13, and the washer 12 are fixed to the adapter 15 by the second bolt 14 and to the torque converter 10 by the first bolt 11.

As shown in fig. 1, the power transmission device 30 further includes: and a cover plate 7. A through hole for screwing the first bolt 11 is formed in the shell part of the front end cover 5, and after the first bolt 11 is screwed, the through hole is provided with the cover plate 7 and is fastened by the fifth bolt 6.

The present embodiment also provides a vehicle including: the engine, the transmission and the power transmission device 30, the power transmission device 30 connects the engine and the transmission, and the specific connection form and the advantages refer to the description of the specific embodiment of the power transmission device 30, and are not described herein again. The vehicle may be, for example, a truck, a car, an off-road vehicle, or the like having an engine and a transmission.

Claims

1. A power transmission device for connecting an engine and a transmission, comprising a front cover (5), the front cover (5) including a sleeve portion and a housing portion connected to one end of the sleeve portion, characterized by further comprising:

the adapter (15) is in a shaft shape and extends into the shaft hole of the sleeve part, and the adapter (15) is rotationally connected with the sleeve part through a bearing;

a flange (22) connected to a section of the adapter (15) remote from the housing portion, the flange (22) being for connection to an output shaft of the engine;

a flexible disk (13) connected to a section of the adapter (15) adjacent to the housing portion, the flexible disk (13) being intended for connection to a hydrodynamic torque converter of the transmission.

2. The power transmission device according to claim 1, further comprising:

a baffle (19) connected to an end of the adapter (15), the flange (22) being located between the baffle (19) and the adapter (15).

3. A power transmission device according to claim 1, characterized in that a first bearing (2) and a second bearing (4) are provided at a distance between the adapter (15) and the sleeve portion.

4. The power transmission device according to claim 3, characterized by further comprising:

the shaft sleeve (17) is sleeved on the adapter (15) and is positioned between the first bearing (2) and the second bearing (4).

5. The power transmission device according to claim 4, characterized by further comprising:

and the gasket (18) is arranged between the shaft sleeve (17) and the inner ring of the first bearing (2).

6. The power transmission device according to claim 3, characterized by further comprising:

a first oil seal (1) provided between the adapter (15) and the sleeve portion and located on a side of the first bearing (2) away from the second bearing (4);

and a second oil seal (16) which is arranged between the adapter (15) and the sleeve part and is positioned on one side of the second bearing (4) far away from the first bearing (2).

7. The power transmission device according to claim 3, characterized by further comprising:

and a breather plug (3) provided in the sleeve portion and communicating with a region between the first bearing (2) and the second bearing (4).

8. The power transmission device according to claim 3, characterized by further comprising:

and an oil nipple (25) provided on the sleeve portion and communicating with a region between the first bearing (2) and the second bearing (4).

9. A power transmission device according to claim 1, characterized in that the flange (22) is connected with the adapter (15) circumferentially in a limited manner by means of splines.

10. A vehicle, characterized by comprising:

an engine and a transmission;

the power transmission device (30) as claimed in any one of claims 1 to 9, said power transmission device (30) connecting said engine and said transmission.