CN212429560U

CN212429560U - Compact clutch of shifting

Info

Publication number: CN212429560U
Application number: CN202020770861.9U
Authority: CN
Inventors: 高和翔; 徐昊; 焦辰宇; 李军均
Original assignee: BorgWarner Automotive Components Ningbo Co Ltd
Current assignee: BorgWarner Automotive Components Ningbo Co Ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2021-01-29
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses a compact gear shifting clutch, which is applied to a driving system of a motor vehicle and comprises an oil inlet shell and two clutch modules symmetrically arranged on the front side and the rear side of the oil inlet shell, wherein each clutch module comprises an inner shell, an outer shell and a friction plate group, the outer shells are respectively and fixedly connected with an output hub, and the inner shells are respectively and fixedly connected with an input hub; each clutch module also comprises a back plate of the connected actuating piston, one end of the back plate is propped against one side of the friction plate group, a pressure oil cavity is formed between each actuating piston and the oil inlet shell, and two liquid flow channels which are respectively communicated with the two pressure oil cavities are arranged in the oil inlet shell. The technical scheme of the gear shifting device has the advantages that the two symmetrically designed clutch modules can alternately operate, so that the gear shifting time is short, the gear shifting is more direct, the power loss is less, the axial installation distance is greatly reduced, the overall structure is more compact, and the arrangement space can be saved under the condition of meeting the same functional requirements.

Description

Compact clutch of shifting

Technical Field

The utility model relates to a clutch technical scheme especially relates to a compact clutch of shifting.

Background

At present some thoughtlessly move the gearbox and can use two sets of clutches of shifting, and two sets of clutches of shifting work in turn each other for the time of shifting is short, and it is also more direct to shift, and power loss is littleer, the oil consumption reduction. The traditional two groups of gear shifting clutches are long in axial distance and inflexible in arrangement, and certain space limitation is imposed on the installation of the gear shifting clutches by some domestic hybrid moving projects. The compact shifting clutch module is provided, and can save the arrangement space and improve the mechanical efficiency under the condition of meeting the same functional requirements.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problems of the prior art, a compact shifting clutch is now provided, which aims at substantially reducing the axial installation distance and making the overall structure more compact, in order to overcome the above-mentioned technical drawbacks.

The specific technical scheme is as follows:

a compact shifting clutch is applied to a driving system of a motor vehicle and comprises an oil inlet shell and two clutch modules symmetrically arranged on the front side and the rear side of the oil inlet shell, wherein each clutch module comprises an inner shell, an outer shell and a friction plate group accommodated between the inner shell and the outer shell;

each clutch module also comprises an actuating piston and a back plate, the back plate is connected with the actuating piston, one end of the back plate is abutted against one side of the friction plate set and is used for driving the friction plate set to be in a combined state under the driving of the actuating piston, a pressure oil cavity is formed between each actuating piston and the oil inlet shell, two liquid flow channels which are respectively communicated with the two pressure oil cavities are arranged in the oil inlet shell and are used for driving the back plate to drive the two friction plate sets to be alternately combined through the two actuating pistons, and in the combined state of the friction plate sets, the power flow of the input hub can be transmitted to the inner shell and the output hub through the outer shell and the friction plate sets.

Preferably, each friction plate group respectively comprises a plurality of partition plates and friction plates arranged between every two adjacent partition plates, one side of each back plate is abutted against the side wall of one partition plate, and a corrugated spring is further arranged between every two adjacent partition plates.

Preferably, in each clutch module, the partition plate located at the outermost side in the front and rear directions abuts against the outer housing and the back plate respectively.

Preferably, each clutch module further comprises a thrust bearing disposed between the backing plate and the actuator piston.

Preferably, the two input hubs are juxtaposed.

Preferably, in each clutch module, the input hub and the output hub are arranged adjacent to each other via a thrust needle bearing.

Preferably, the two liquid flow channels of the oil inlet shell are longitudinally arranged, the opening end of the upper end of the oil inlet shell is sealed by a plug, and oil inlets respectively communicated to the two liquid flow channels are formed in the side portion of the oil inlet shell.

Preferably, one of the friction plate sets comprises four partition plates and three friction plates, and the other friction plate set comprises three partition plates and two friction plates.

The beneficial effects of the above technical scheme are that:

compact clutch of shifting includes oil feed casing and two clutch module, and each clutch module includes interior casing, shell body, friction disc group, actuating piston, backplate, input wheel hub and output wheel hub for two symmetrical design's clutch module can the alternating operation, makes the time of shifting short, and it is also more direct to shift, and power loss is littleer, reduces axial installation distance greatly, makes overall structure more compact, satisfying under same functional requirement, can sparingly arrange the space.

Drawings

Fig. 1 is a cross-sectional view of the compact shifting clutch of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and effects of the present invention easy to understand, the following embodiments are specifically illustrated in conjunction with the accompanying drawings. And defines the direction from left to right as viewed in the plane of the paper in fig. 1 as the direction from front to back in this embodiment, and the direction from the direction close to the central axis 15 to the direction away from the central axis as viewed in the plane of the paper as the direction from inside to outside in this embodiment.

Referring to fig. 1, the compact shifting clutch provided in this embodiment is applied to a driving system of a motor vehicle, and includes an oil inlet housing 1, two clutch modules symmetrically installed on front and rear sides of the oil inlet housing 1, each clutch module includes an inner housing 2, an outer housing 3, and a friction plate set accommodated between the inner housing 2 and the outer housing 3, the outer housing 3 of each clutch module is respectively and fixedly connected with an output hub 7 for externally connecting a transmission shifting mechanism of the driving system, and the inner housing 2 of each clutch module is respectively and fixedly connected with an input hub 6 sleeved on an input shaft periphery of the driving system;

each clutch module also includes an actuating piston 11, a back plate 14, the back plate 14 is connected with the actuating piston 11 and one end is against one side of the friction plate group, in order to make the friction plate group in the combined state under the drive of the actuating piston 11, and a pressure oil chamber is formed between each actuating piston 11 and the oil inlet casing 1, two liquid flow channels 10 are provided in the oil inlet casing 1, which are respectively communicated to the two pressure oil chambers, in order to make the two friction plate groups combined alternately through the two actuating pistons 11 driving the back plate 14, and in the combined state of the friction plate groups, the power flow of the input hub 6 can be transmitted to the inner casing 2 and the output hub 7 through the outer casing 3 and the friction plate groups.

Based on above-mentioned technical scheme, compact clutch of shifting includes oil feed casing 1 and two clutch module, each clutch module includes interior casing 2, shell body 3, the friction disc group, actuating piston 11, backplate 14, input wheel hub 6 and output wheel hub 7, make the clutch module of two symmetric designs can the alternative operation, make the time of shifting short, it is also more direct to shift gears, power loss is littleer, the axial installation distance that reduces greatly, make overall structure more compact, satisfying under same functional requirement, can save the arrangement space.

In a preferred embodiment, each friction plate group comprises a plurality of separation plates 4 and a friction plate 5 arranged between every two adjacent separation plates 4, so as to form the plate friction plate group as a whole, one side of the back plate 14 abuts against the side wall of one of the separation plates 4, and a ripple spring 8 is further arranged between every two adjacent separation plates 4, so as to provide a return force after the back plate 14 does not press the separation plates 4, and the friction plate groups are in a separated state. It should be noted that the above-mentioned combination state refers to the state that the splitter plates 4 clamp the friction plates 5 to act synchronously with each other, and then transmit the power flow of the inner housing 2 (i.e. rotating with the input shaft of the driving system) to the outer housing 3, while the separation state is opposite, and the splitter plates 4 no longer clamp the friction plates 5 under the action of the ripple springs 8, so that the actions of each other do not interfere with each other, and the power flow of the inner housing 2 is no longer transmitted to the outer housing 3. Furthermore, in each clutch module, the partition plates 4 located at the outermost sides in the front-rear direction respectively abut against the outer housing 3 and the back plate 14, so as to achieve the purpose of clamping.

In a further preferred embodiment, a thrust bearing 9 is further disposed between the back plate 14 and the actuating piston 11 in each clutch module to increase the stability of the actuating piston 11 driving the back plate 14. A further back plate 14 is attached to the outer housing 3 at its outer edge. Further, the two input hubs 6 are juxtaposed. Specifically, in the present embodiment, the two input hubs 6 are independent from each other for easy assembly and replacement maintenance, but may be integrated, and is not limited thereto. Further, in each clutch module, the input hub 6 and the output hub 7 are adjacently disposed via a thrust needle bearing 12. In addition, the two liquid flow channels 10 of the oil inlet housing 1 are longitudinally arranged, the upper end opening ends of the two liquid flow channels are sealed by plugs 13, oil inlets respectively communicated to the two liquid flow channels 10 are formed in the side portion of the oil inlet housing 1, the purpose that the two liquid flow channels 10 alternately communicate oil is achieved by assembling external components, and the plugs are convenient for slag removal and other operations. Further, in the embodiment, one of the friction plate sets includes four partition plates 4 and three friction plates 5, and the other friction plate set includes three partition plates 4 and two friction plates 5, obviously, the specific number of the friction plate sets may be determined according to the requirement, and is not limited thereto.

It is to be noted that the clutch module in the present embodiment is a solid of revolution structure, so that only a sectional view is shown in the drawings. Since the two flow channels 10 overlap each other in the sectional view, but are substantially independent of each other, one of the flow channels 10 is shown in a broken line in the sectional view.

The foregoing is only a preferred embodiment of the present invention, which is illustrative, not limiting. Those skilled in the art will appreciate that many variations, modifications, and equivalents may be made thereto without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The compact shifting clutch is applied to a driving system of a motor vehicle and is characterized by comprising an oil inlet shell (1) and two clutch modules symmetrically arranged on the front side and the rear side of the oil inlet shell (1), wherein each clutch module comprises an inner shell (2), an outer shell (3) and a friction plate set accommodated between the inner shell (2) and the outer shell (3), the outer shell (3) of each clutch module is fixedly connected with an output hub (7) of a gearbox shifting mechanism for externally connecting the driving system, and the inner shell (2) of each clutch module is fixedly connected with an input hub (6) sleeved on the periphery of an input shaft of the driving system;

each clutch module also comprises an actuating piston (11) and a back plate (14), the back plate (14) is connected with the actuating piston (11) and one end of the back plate is abutted against one side of the friction plate group, for urging the set of friction plates into engagement by the actuating piston (11), a pressure oil chamber is formed between each actuating piston (11) and the oil inlet shell (1), the oil inlet shell (1) is internally provided with two liquid flow channels (10) which are respectively communicated with the two pressure oil chambers, for bringing the back plate (14) by means of the two actuating pistons (11) to cause the two friction plate groups to engage alternately, and in the friction plate set combined state, the power flow of the input hub (6) can be transmitted to the inner shell (2) and the output hub (7) through the outer shell (3) and the friction plate set.

2. The compact shifting clutch according to claim 1, characterized in that each of the friction plate sets comprises a plurality of separation plates (4) and a friction plate (5) arranged between each two adjacent separation plates (4), one side of the back plate (14) abuts against a side wall of one of the separation plates (4), and a ripple spring (8) is further arranged between each two adjacent separation plates (4).

3. The compact shifting clutch according to claim 2, wherein in each of the clutch modules, the partition plate (4) located outermost in both the front and rear directions abuts against the outer housing (3) and the back plate (14), respectively.

4. The compact shifting clutch according to claim 1, characterized in that a thrust bearing (9) is also provided in each of the clutch modules between the back plate (14) and the actuating piston (11).

5. The compact shifting clutch according to claim 1, characterized in that two input hubs (6) are arranged side by side.

6. The compact shifting clutch according to claim 5, characterized in that in each of said clutch modules, said input hub (6) and said output hub (7) are arranged adjacent to each other by means of a thrust needle bearing (12).

7. The compact shifting clutch according to claim 1, characterized in that the two fluid passages (10) of the oil inlet housing (1) are longitudinally arranged and the upper end opening end is closed by a plug (13), and oil inlets respectively communicated to the two fluid passages (10) are opened at the side of the oil inlet housing (1).

8. The compact shifting clutch according to claim 2, wherein one of the friction plate sets comprises four separator plates (4) and three friction plates (5), and the other friction plate set comprises three separator plates (4) and two friction plates (5).