CN214304936U

CN214304936U - Clutch and transmission system

Info

Publication number: CN214304936U
Application number: CN202022716320.0U
Authority: CN
Inventors: 张振华
Original assignee: Weichai Power Co Ltd
Current assignee: Weichai Power Co Ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-09-28
Anticipated expiration: 2030-11-19

Abstract

The utility model relates to the technical field of transmission devices, in particular to a clutch and a transmission system, wherein the clutch comprises a driving shaft; the driving shaft shell is wound with a coil assembly, and the coil assembly and the driving shaft shell are arranged coaxially; the primary coil body is coaxially arranged with the driving shaft and is sleeved on the driving shaft shell in a rotating manner; the secondary coil body is coaxially arranged with the driving shaft and is rotatably sleeved on the driving shaft shell; the output shaft magnet is coaxially arranged with the driving shaft and is sleeved on the driving shaft shell in a rotating manner, the output shaft magnet is connected with the power output end, and the output shaft magnet can be connected with the primary coil body and/or the secondary coil body through magnetic moment; the coil assembly can attract the primary coil body and/or the secondary coil body and the driving shaft shell to achieve output of different speed ratios. The utility model discloses can increase the flexibility of clutch to rotational speed control.

Description

Clutch and transmission system

Technical Field

The utility model relates to a transmission technical field especially relates to a clutch and transmission system.

Background

The clutch is mounted between the engine and the transmission and is the assembly in the vehicle driveline that is directly associated with the engine. The clutch is usually mounted with the flywheel set of the engine crankshaft and is the part that cuts off and transmits power between the engine and the vehicle drive train. During the whole process of starting the automobile to normally drive, the driver can operate the clutch according to the requirement, so that the engine and the transmission system are temporarily separated or gradually connected, and the power output from the engine to the transmission system is cut off or transmitted.

The function of the device is to ensure that the engine and the transmission can be gradually jointed, thereby ensuring the stable starting of the automobile; temporarily disconnecting the engine from the transmission to facilitate shifting and reduce shock during shifting; when the automobile is braked emergently, the brake can play a role in separation, and the transmission systems such as a speed changer and the like are prevented from being overloaded, so that a certain protection effect is achieved.

In the prior art, an electromagnetic clutch can usually realize 3-level speed ratio at most, so that the electromagnetic clutch is not flexible in controlling the rotating speed, and the oil saving effect of an engine is not as good as that of an electric control silicone oil clutch. However, the cost of the electric control silicone oil clutch is high, and the problems of high temperature and slow response are easily caused due to the slip of silicone oil in the control process of the electric control silicone oil clutch.

Therefore, a clutch and a transmission system are needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clutch and transmission system can increase the flexibility of clutch to rotational speed control, avoids the problem that automatically controlled silicon oil clutch control process in silicon oil exists simultaneously.

To achieve the purpose, the utility model adopts the following technical proposal:

a clutch, comprising:

a drive shaft connected to the power input;

the driving shaft shell is fixedly sleeved on the driving shaft, a coil assembly is wound on the driving shaft shell, and the coil assembly and the driving shaft shell are arranged coaxially;

the primary coil body is coaxially arranged with the driving shaft and is sleeved on the driving shaft shell in a rotating manner;

the secondary coil body is coaxially arranged with the driving shaft and is rotatably sleeved on the driving shaft shell;

the output shaft magnet is coaxially arranged with the driving shaft and is sleeved on the driving shaft shell in a rotating manner, the output shaft magnet is connected with the power output end, and the output shaft magnet can be connected with the primary coil body and/or the secondary coil body through magnetic moment;

the coil assembly can attract the primary coil body and/or the secondary coil body and the driving shaft shell to realize different speed ratio output;

the coil assembly can attract the output shaft magnet and the drive shaft shell.

Further, the drive shaft casing includes the portion of cup jointing and the installation department of coaxial setting, the installation department encircles and establishes on the outer peripheral face of the portion of cup jointing, the fixed cover of the portion of cup jointing is established on the drive shaft, the coil pack is around establishing on the installation department.

Further, the coil assembly comprises a first coil, a second coil and a third coil which are coaxially arranged, and the first coil, the second coil and the third coil are arranged on the mounting portion at intervals.

Further, the spacer ring is provided with a first mounting groove, a second mounting groove and a third mounting groove on the mounting portion, the first coil is disposed in the first mounting groove, the second coil is disposed in the second mounting groove, and the third coil is disposed in the third mounting groove.

Further, the primary coil body comprises a primary coil part and a first suction part which are coaxially arranged, the primary coil part is opposite to the output shaft magnet, and the first suction part can be sucked with the mounting part.

Further, the secondary coil body comprises a secondary coil part and a second attraction part which are coaxially arranged, the secondary coil part is opposite to the output shaft magnet, and the second attraction part can attract the installation part.

Further, a first bearing is arranged between the primary coil body and the driving shaft shell.

Further, the secondary coil body is rotatably arranged on the primary coil body, and a second bearing is arranged between the secondary coil body and the primary coil body.

Further, the output shaft magnet is rotatably arranged on the secondary coil body, and a third bearing is arranged between the output shaft magnet and the secondary coil body.

A transmission system comprising a clutch as described above.

The utility model has the advantages that:

the utility model provides a clutch, around being equipped with coil pack on the driving shaft casing, coaxial rotation is provided with the one-level coil body on the driving shaft casing, second grade coil body and output shaft magnet, coil pack can realize 3 grades of drive ratios with one-level coil body and/or second grade coil body and drive shaft casing actuation, coil pack can realize the complete connection transmission with output shaft magnet and drive shaft casing actuation, in addition coil pack is out of work, make the output shaft magnet be in idle state, can realize 5 grades of transmission rotational speed output altogether. The flexibility of the clutch for controlling the rotating speed can be improved through the arrangement, and meanwhile, due to the adoption of electromagnetic transmission, the problems of slip, high temperature and slow response of silicon oil in the control process of the electric control silicon oil clutch are solved.

The utility model provides a transmission system, it is including as above the clutch, can increase the flexibility of clutch to rotational speed control, avoid the problem that automatically controlled silicon oil clutch control process in silicon oil exists simultaneously.

Drawings

Fig. 1 is a cross-sectional view of a clutch according to the present invention.

In the figure:

1. a drive shaft; 2. a drive shaft housing; 21. a socket joint part; 22. an installation part; 31. a first coil; 32. a second coil; 33. a third coil; 4. a primary coil body; 41. a primary coil section; 42. a first suction part; 5. a secondary coil body; 51. a secondary coil section; 52. a second suction portion; 6. an output shaft magnet; 61. a first acting part; 62. a second acting part; 63. a third acting part; 7. a first bearing; 8. a second bearing; 9. and a third bearing.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In order to increase the flexibility of clutch to speed control, avoid the problem that automatically controlled silicon oil clutch control process in silicon oil exists simultaneously, as shown in fig. 1, the utility model provides a clutch. This clutch includes: a drive shaft 1, a drive shaft housing 2, a primary coil body 4, a secondary coil body 5, and an output shaft magnet 6.

Wherein, the driving shaft 1 is connected with the power input end; the driving shaft shell 2 is fixedly sleeved on the driving shaft 1, a coil assembly is wound on the driving shaft shell 2, and the coil assembly and the driving shaft shell 2 are arranged coaxially; the primary coil body 4 is coaxially arranged with the driving shaft 1 and is rotatably sleeved on the driving shaft shell 2; the secondary coil body 5 is coaxially arranged with the driving shaft 1 and is rotatably sleeved on the driving shaft shell 2; the output shaft magnet 6 is coaxially arranged with the driving shaft 1 and is rotatably sleeved on the driving shaft shell 2, the output shaft magnet 6 is connected with the power output end, and the output shaft magnet 6 can be connected with the primary coil body 4 and/or the secondary coil body 5 through magnetic moment; the coil assembly can attract the primary coil body 4 and/or the secondary coil body 5 and the driving shaft shell 2 to realize different speed ratio output; also, the coil assembly can attract the output shaft magnet 6 to the drive shaft housing 2.

The coil assembly can attract the primary coil body 4 and/or the secondary coil body 5 to the driving shaft shell 2, namely the primary coil body 4 is attracted to the driving shaft shell 2, the secondary coil body 5 is attracted to the driving shaft shell 2, and both the primary coil body 4 and the secondary coil body 5 are attracted to the driving shaft shell 2, so that 3-level transmission ratio is realized; the coil assembly can attract the output shaft magnet 6 and the drive shaft shell 2 to realize complete connection transmission, and in addition, the coil assembly does not work, so that the output shaft magnet 6 is in an idle state, and 5-level transmission rotating speed output can be realized totally. The flexibility of the clutch for controlling the rotating speed can be improved through the arrangement, and meanwhile, due to the adoption of electromagnetic transmission, the problems of slip, high temperature and slow response of silicon oil in the control process of the electric control silicon oil clutch are solved.

In other embodiments, the primary coil body 4 and/or the secondary coil body 5 and the driving shaft housing 2 may transmit torque through magnetic moment, and may further realize multi-level control by increasing the number of coil groups sleeved on the driving shaft housing 2, which is not described herein again.

Further, the drive shaft housing 2 includes the coaxial cup joint portion 21 and the installation department 22 that set up, and the installation department 22 ring is established on the outer peripheral face of cup joint portion 21, and the fixed cover of cup joint portion 21 is established on drive shaft 1, and the coil pack is around establishing on installation department 22. Through setting up installation department 22, be convenient for install coil pack, the primary coil body 4 of being convenient for simultaneously, secondary coil body 5 and output shaft magnet 6 and installation department 22 actuation.

Further, the coil assembly includes a first coil 31, a second coil 32, and a third coil 33 coaxially disposed, and the first coil 31, the second coil 32, and the third coil 33 are disposed on the mounting portion 22 at intervals. In this embodiment, the second coil 32 is disposed between the first coil 31 and the third coil 33, the first coil 31 is electrically powered to attract the primary coil body 4, the second coil 32 is electrically powered to attract the secondary coil body 5, the third coil 33 is disposed outside the second coil 32, and the third coil 33 is electrically powered to attract the output shaft magnet 6. Through the arrangement, the clutch is convenient to control, so that different output speed ratios can be realized according to actual needs.

Further, the spacer ring is provided on the mounting portion 22 with a first mounting groove in which the first coil 31 is disposed, a second mounting groove in which the second coil 32 is disposed, and a third mounting groove in which the third coil 33 is disposed. Through seting up first mounting groove, second mounting groove and third mounting groove, be convenient for around establishing coil pack on installation department 22, guarantee moreover that coil pack is unchangeable in the relative position on installation department 22 to guarantee that this clutch can effectively work.

Further, a first bearing 7 is provided between the primary coil body 4 and the drive shaft housing 2. Through setting up first bearing 7, guarantee that primary coil body 4 rotates in a flexible way relative to drive shaft casing 2, when primary coil body 4 was out of work, primary coil body 4 can not influence the rotation of output shaft magnet 6.

Similarly, the secondary coil body 5 is rotatably provided on the primary coil body 4, and a second bearing 8 is provided between the secondary coil body 5 and the primary coil body 4. The output shaft magnet 6 is rotatably arranged on the secondary coil body 5, and a third bearing 9 is arranged between the output shaft magnet 6 and the secondary coil body 5. By arranging the secondary coil body 5 between the primary coil body 4 and the output shaft magnet 6, the clutch can also be ensured to be compact.

Further, the primary coil body 4 includes a primary coil portion 41 and a first attraction portion 42 which are coaxially provided, the primary coil portion 41 is opposed to the output shaft magnet 6, and the first attraction portion 42 is capable of attracting the mounting portion 22. Specifically, one end of the first attraction part 42 is connected to the first-stage coil part 41, the first attraction part 42 can attract the mounting part 22 along the axial direction of the drive shaft housing 2 under the attraction of the first coil 31, and the first-stage coil part 41 is electrified to be close to the output shaft magnet 6, so as to drive the output shaft magnet 6 to rotate under the action of magnetic torque.

Further, the secondary coil body 5 includes a secondary coil part 51 and a second attracting part 52 which are coaxially provided, the secondary coil part 51 is opposed to the output shaft magnet 6, and the second attracting part 52 is capable of attracting the mounting part 22. The second attracting portion 52 can attract the mounting portion 22 along the axial direction of the driving shaft housing 2 under the attraction of the second coil 32, and the second coil portion 51 is electrified to be close to the output shaft magnet 6, so as to drive the output shaft magnet 6 to rotate under the action of magnetic torque. Specifically, in the present embodiment, the magnetic force of the primary coil body 4 is larger than the magnetic force of the secondary coil body 5.

Further, the output shaft magnet 6 is a permanent magnet and has a first operating portion 61 and a second operating portion 62, the first operating portion 61 facing the primary coil portion 41, and the second operating portion 62 facing the secondary coil portion 51. The installation is facilitated by the provision of the first acting portion 61 and the second acting portion 62.

Further, the output shaft magnet 6 further includes a third acting portion 63, the third acting portion 63 is opposite to the mounting portion 22, and the third acting portion 63 can be attracted by electrifying the third coil 33, so that the output shaft magnet 6 is directly connected with the drive shaft housing 2.

The embodiment also provides a transmission system, which comprises the clutch, so that the flexibility of the clutch for controlling the rotating speed can be improved, and the problem of silicone oil in the control process of the electric control silicone oil clutch is avoided.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A clutch, comprising:

a drive shaft (1) connected to the power input;

the driving shaft shell (2) is fixedly sleeved on the driving shaft (1), a coil assembly is wound on the driving shaft shell (2), and the coil assembly and the driving shaft shell (2) are arranged coaxially;

the primary coil body (4) is coaxially arranged with the driving shaft (1) and is rotatably sleeved on the driving shaft shell (2);

the secondary coil body (5) is coaxially arranged with the driving shaft (1) and is rotatably sleeved on the driving shaft shell (2);

the output shaft magnet (6) is coaxially arranged with the driving shaft (1), is rotatably sleeved on the driving shaft shell (2), is connected with a power output end, and can be connected with the primary coil body (4) and/or the secondary coil body (5) through magnetic moment;

the coil component can attract the primary coil body (4) and/or the secondary coil body (5) and the driving shaft shell (2) to realize output at different speed ratios;

the coil component can attract the output shaft magnet (6) and the driving shaft shell (2).

2. The clutch according to claim 1, wherein the driving shaft housing (2) comprises a sleeve portion (21) and a mounting portion (22) which are coaxially arranged, the mounting portion (22) is annularly arranged on the outer peripheral surface of the sleeve portion (21), the sleeve portion (21) is fixedly sleeved on the driving shaft (1), and the coil assembly is wound on the mounting portion (22).

3. A clutch according to claim 2, characterized in that the coil assembly comprises a first coil (31), a second coil (32) and a third coil (33) arranged coaxially, the first coil (31), the second coil (32) and the third coil (33) being arranged at intervals on the mounting portion (22).

4. A clutch according to claim 3, characterized in that the spacer ring on the mounting portion (22) is provided with a first mounting groove in which the first coil (31) is arranged, a second mounting groove in which the second coil (32) is arranged and a third mounting groove in which the third coil (33) is arranged.

5. A clutch according to claim 2, characterized in that the primary coil body (4) comprises a primary coil portion (41) and a first engaging portion (42) coaxially arranged, the primary coil portion (41) being opposed to the output shaft magnet (6), the first engaging portion (42) being engageable with the mounting portion (22).

6. A clutch according to claim 2, characterized in that the secondary coil body (5) comprises a secondary coil part (51) and a second engaging part (52) coaxially arranged, the secondary coil part (51) being opposite to the output shaft magnet (6), the second engaging part (52) being capable of engaging with the mounting part (22).

7. A clutch according to any one of claims 1-6, characterized in that a first bearing (7) is arranged between the primary coil form (4) and the drive shaft housing (2).

8. A clutch according to any one of claims 1-6, characterized in that the secondary coil body (5) is rotatably arranged on the primary coil body (4), and that a second bearing (8) is arranged between the secondary coil body (5) and the primary coil body (4).

9. A clutch according to any one of claims 1-6, characterized in that the output shaft magnet (6) is rotatably arranged on the secondary coil body (5), and that a third bearing (9) is arranged between the output shaft magnet (6) and the secondary coil body (5).

10. A transmission system comprising a clutch according to any one of claims 1 to 9.