CN220320141U - Wet clutch designed for commercial vehicle - Google Patents
Wet clutch designed for commercial vehicle Download PDFInfo
- Publication number
- CN220320141U CN220320141U CN202321955383.9U CN202321955383U CN220320141U CN 220320141 U CN220320141 U CN 220320141U CN 202321955383 U CN202321955383 U CN 202321955383U CN 220320141 U CN220320141 U CN 220320141U
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- 239000003921 oil Substances 0.000 claims description 42
- 238000005192 partition Methods 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 6
- 238000005461 lubrication Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 239000010687 lubricating oil Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model discloses a wet clutch designed for a commercial vehicle, and particularly relates to the field of clutches. The piston and the execution disc are fixedly connected to one end of the inner shell and synchronously rotate with the inner shell; different from other clutches, the piston and the execution disc are arranged in the outer shell and synchronously rotate with the outer shell, the balance piston and the balance oil cavity adopted in the traditional clutch design are eliminated, so that the structure is simple, and the whole clutch is more reliable; a plurality of common parts are adopted, and parts of other mass production projects are used, so that the cost is friendly; the piston structure design is adopted, the structure is compact, the severe durable use requirement of the commercial vehicle can be met, and the high torque use scene of the commercial vehicle can be met.
Description
Technical Field
The utility model relates to the technical field of clutches, in particular to a wet clutch designed for a commercial vehicle.
Background
At present, the emission requirements of the internal combustion engine of the commercial vehicle are gradually improved, and the automation of the power system of the commercial vehicle is imperative; the conventional commercial vehicle generally adopts a dry clutch as an important part for torque transmission and gear shifting, and has the advantages of long gear shifting time, poor gear shifting quality and controllability, unsmooth power connection, gear shifting frustration, high use and maintenance cost and low transmission efficiency.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the utility model provides a wet clutch designed for a commercial vehicle, and the technical problems to be solved by the utility model are as follows: the traditional dry clutch has the problems of long gear shifting time, poor gear shifting quality and controllability, unsmooth power connection, gear shifting setback, high use and maintenance cost and low transmission efficiency.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a wet clutch to commercial car design, includes main wheel hub, shell body and inner shell body, main wheel hub inboard and inner shell body pass through welded fastening, the outer shell body bottom passes through welded fastening to be connected with the outer wheel hub, and the outer wheel hub has the spline for torque output and transmission, the thrust bearing of all swing joint of outer wheel hub both sides, wherein the thrust bearing of one side is with main wheel hub and outer wheel hub swing joint respectively, the activity of main wheel hub outside is equipped with the piston casing, be equipped with the piston jump ring between piston casing outside and the main wheel hub, the jump ring is installed in the jump ring groove of main wheel hub for axial fastening piston casing, the piston casing passes through jump ring fixed connection on main wheel hub, the piston casing inboard is equipped with the piston, piston one side is equipped with the actuator disc, and the actuator disc left side passes through the piston axial positioning, be equipped with the spring disc between actuator disc right side and the main wheel hub, the pressure of spring disc compresses tightly the actuator disc on the piston, and then compresses tightly on the piston casing;
the bottom of the outer shell is connected with a plurality of friction plates through a spline, the top of the inner shell is connected with a plurality of partition plates through a spline, the partition plates and the friction plates are alternately arranged, the top end of the main hub is fixedly welded with a back plate, the main hub is connected with an input gear through a spline to accept the input of torque, and the input gear is provided with a tooth shape and is used for inputting the torque; the input gear is provided with a spline and is used for connecting a main hub to transmit torque; the gear clamp spring is arranged between one side of the input gear and the main hub, the clamp spring is arranged in a clamp spring groove of the main hub and is used for axially fixing the input gear, and a sealing ring is arranged on the outer side of the main hub and used for sealing the pressure oil duct and the lubricating oil duct, so that reasonable pressure can be built in the pressure oil duct and the pressure oil cavity.
In a preferred embodiment, an O-ring is arranged between the piston housing and the main hub, and an O-ring groove is formed in the main hub and used for installing the O-ring, and the O-ring is used for sealing the pressure oil duct so as to ensure that reasonable pressure can be established in the pressure oil duct; the sealing groove is arranged in the main hub;
the piston shell is provided with a piston running surface which is movably connected with the piston; providing axial positioning to the piston;
the piston shell is matched with the O-shaped ring to form a sealed oil duct; the piston shell is provided with an oil hole, so that pressure oil enters the pressure oil cavity.
In a preferred embodiment, the piston is provided with two sealing lips which are movably connected with the piston shell, and the piston is movably connected with the execution disc;
the piston and the piston shell form a pressure oil cavity; when the pressure of the pressure oil cavity is increased, the piston and the execution disc overcome the spring force of the spring disc and move rightwards together; further, the separation plate and the friction plate are pressed tightly, so that the clutch is combined;
conversely, when the pressure in the pressure oil chamber is reduced, the spring force of the spring plate pushes the piston and the actuating plate to move leftward together, and the partition plate and the friction plate are separated, so that the clutch knot is opened.
In a preferred embodiment, a clip is mounted on the outside of the housing, which holds the housing tightly, so that it remains stable at high rotational speeds.
In a preferred embodiment, the separator plate and the friction plate together form a friction pair;
when the separation plate and the friction plate are pressed by the execution plate, the clutch transmits torque;
when the disc movement to the left is performed, the separator plate is separated from the friction plate, and the clutch interrupts torque transmission.
In a preferred embodiment, the back plate supports the axial force applied to the partition plate and the friction plate by the piston and the actuator disc, and one side of the back plate is movably connected with the partition plate.
In a preferred embodiment, a snap spring groove is formed in the outer side of the main hub and used for installing a gear snap spring, and a sealing groove is formed in the outer side of the main hub and used for installing a sealing ring;
the main hub is also provided with a pressure oil duct and a lubrication oil duct, and two needle bearings are respectively arranged on the main hub.
In a preferred embodiment, the spring plate, in the mounted state, provides a spring force to compress the piston and the actuator plate to maintain both in the initial position;
when the pressure of the piston cavity is larger than the spring force, the execution disc compresses the spring disc and the spring disc contracts, so that the partition plate and the friction plate are combined;
when the piston chamber pressure is less than the spring force, the spring disc pushes the actuator disc to move to the left, at which time the separator plate and friction plate separate, even if the clutch is open.
The utility model has the technical effects and advantages that:
the piston and the execution disc are fixedly connected to one end of the inner shell and synchronously rotate with the inner shell; different from other clutches, the piston and the execution disc are arranged in the outer shell and synchronously rotate with the outer shell, the balance piston and the balance oil cavity adopted in the traditional clutch design are eliminated, so that the structure is simple, and the whole clutch is more reliable; a plurality of common parts are adopted, and parts of other mass production projects are used, so that the cost is friendly; the piston structure design is adopted, the structure is compact, the severe durable use requirement of the commercial vehicle can be met, and the high torque use scene of the commercial vehicle can be met.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
The reference numerals are: the device comprises an outer hub, a 2 thrust bearing, a 3O-shaped ring, a 4-piston clamp spring, a 5-piston shell, a 6-piston, a 7-executing disc, an 8 outer shell, a 9-clamp, a 10 friction plate, an 11-partition plate, a 12-support plate, a 13 inner shell, a 14-main hub, a 15-spring disc, a 16-input gear, a 17-gear clamp spring and an 18-seal ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a wet clutch designed for a commercial vehicle, which comprises a main hub 14, an outer shell 8 and an inner shell 13, wherein the inner side of the main hub 14 is fixedly welded with the inner shell 13, the bottom end of the outer shell 8 is fixedly connected with the outer hub 1 through welding, the outer hub 1 is provided with a spline for torque output and transmission, the two sides of the outer hub 1 are movably connected with thrust bearings 2, the thrust bearings 2 on one side are respectively and movably connected with the main hub 14 and the outer hub 1, a piston shell 5 is movably arranged on the outer side of the main hub 14, an O-shaped ring 3 is arranged between the piston shell 5 and the main hub 14, an O-shaped ring groove is formed on the main hub 14 and used for installing the O-shaped ring 3, and the O-shaped ring 3 is used for sealing a pressure oil duct so as to ensure that the pressure oil duct can establish reasonable pressure; is mounted in a seal groove of the main hub 14;
the piston shell 5 is provided with a piston running surface which is movably connected with the piston 6; providing axial positioning to the piston 6;
the piston shell 5 is matched with the O-shaped ring 3 to form a sealed oil duct; the piston shell 5 is provided with an oil hole so that pressure oil enters the pressure oil cavity;
a piston clamp spring 4 is arranged between the outer side of the piston shell 5 and the main hub 14, the clamp spring 4 is arranged in a clamp spring groove of the main hub 14 and is used for axially fixing the piston shell 5, the piston shell 5 is fixedly connected to the main hub 14 through the clamp spring 4, a piston 6 is arranged on the inner side of the piston shell 5, an execution disc 7 is arranged on one side of the piston 6, the execution disc 7 is radially fixed on the piston 6, the left side of the execution disc 7 is axially positioned through the piston 6, a spring disc 15 is arranged between the right side of the execution disc 7 and the main hub 14, the execution disc 7 is pressed on the piston 6 by the pressure of the spring disc 15 and then is pressed on the piston shell 5, two sealing lips are arranged on the piston 6 and are movably connected with the piston shell 5, and the piston 6 is movably connected with the execution disc 7, and the spring disc 15 provides spring force to press the piston 6 and the execution disc 7 under the installation state, so that the two are kept at the initial position; when the pressure of the piston cavity is larger than the spring force, the actuating disc 7 compresses the spring disc 15, and the spring disc 15 contracts, so that the partition plate 11 and the friction plate 10 are combined; when the piston chamber pressure is smaller than the spring force, the spring disc 15 pushes the actuator disc 7 to move leftwards, at which time the partition plate 11 and the friction plate 10 are separated, even if the clutch is opened;
the piston 6 and the piston housing 5 form a pressure oil chamber; when the pressure of the pressure oil cavity is increased, the piston 6 and the execution disc 7 move rightwards together against the spring force of the spring disc 15, so that the separation plate 11 and the friction plate 10 are pressed, and the clutch is combined;
conversely, when the pressure of the pressure oil chamber is reduced, the spring force of the spring plate 15 pushes the piston 6 and the actuator plate 7 to move leftward together, and the partition plate 11 and the friction plate 10 are separated, so that the clutch is opened;
the bottom of the outer shell 8 is connected with a plurality of friction plates 10 through a spline, the top of the inner shell 13 is connected with a plurality of partition plates 11 through a spline, the partition plates 11 and the friction plates 10 are alternately arranged, the top end of a main hub 14 is fixedly welded with a back plate 12, the back plate 12 supports the axial force applied to the partition plates 11 and the friction plates 10 by a piston 6 and an execution disc 7, one side of the back plate 12 is movably connected with the partition plates 11, the main hub 14 is connected with an input gear 16 through a spline to accept torque input, and the input gear 16 is provided with tooth shapes and is used for inputting torque; the input gear 16 is splined for connection to the main hub 14 for torque transfer; a gear clamp spring 17 is arranged between one side of the input gear 16 and the main hub 14, a clamp spring groove is formed in the outer side of the main hub 14 and used for installing the gear clamp spring 17, and a sealing groove is formed in the outer side of the main hub 14 and used for installing a sealing ring 18;
the main hub 14 is also provided with a pressure oil duct and a lubrication oil duct, two needle bearings are respectively arranged, the snap springs 17 are arranged in snap spring grooves of the main hub 14 and axially fix the input gear 16, and the outer side of the main hub 14 is provided with a sealing ring 18 for sealing the pressure oil duct and the lubrication oil duct, so that reasonable pressure can be built between the pressure oil duct and the pressure oil chamber.
As shown in fig. 1, the embodiment specifically includes: the special wet clutch is designed for the commercial vehicle, the automation level of the commercial vehicle can be greatly improved, the thermal performance of the clutch is stable, the structure is reliable, and the gear shifting smoothness of the vehicle can be effectively improved, so that the comfort of the whole vehicle is improved, the energy use efficiency can be effectively improved, and the energy is saved.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (8)
1. The utility model provides a wet clutch to commercial car design, includes main wheel hub (14), outer shell (8) and interior casing (13), main wheel hub (14) inboard passes through welded fastening with interior casing (13), its characterized in that: the novel hydraulic brake device is characterized in that the bottom end of the outer shell (8) is fixedly connected with the outer hub (1) through welding, both sides of the outer hub (1) are movably connected with the thrust bearings (2), one side of the thrust bearings (2) is movably connected with the main hub (14) and the outer hub (1) respectively, a piston shell (5) is movably arranged on the outer side of the main hub (14), a piston clamp spring (4) is arranged between the outer side of the piston shell (5) and the main hub (14), a piston (6) is arranged on the inner side of the piston shell (5), an execution disc (7) is arranged on one side of the piston (6), the execution disc (7) is radially fixed on the piston (6), the left side of the execution disc (7) is axially positioned through the piston (6), a spring disc (15) is arranged between the right side of the execution disc (7) and the main hub (14), and the execution disc (7) is pressed on the piston shell (5) through the pressure of the spring disc (15).
The bottom of the outer shell (8) is connected with a plurality of friction plates (10) through a spline, the top of the inner shell (13) is connected with a plurality of partition plates (11) through a spline, the partition plates (11) and the friction plates (10) are alternately arranged, the top end of the main hub (14) is fixedly welded with a back plate (12), the main hub (14) is connected with an input gear (16) through a spline, and the input gear (16) is provided with tooth shapes and is used for inputting torque; the input gear (16) is provided with a spline and is used for connecting the main hub (14) and transmitting torque; a gear clamp spring (17) is arranged between one side of the input gear (16) and the main hub (14), and a sealing ring (18) is arranged on the outer side of the main hub (14) and used for sealing the pressure oil duct and the lubricating oil duct, so that reasonable pressure can be built in the pressure oil duct and the pressure oil chamber.
2. A wet clutch for a commercial vehicle design as defined in claim 1 wherein: an O-shaped ring (3) is arranged between the piston shell (5) and the main hub (14), an O-shaped ring groove is formed in the main hub (14) and used for installing the O-shaped ring (3), and the O-shaped ring is installed in a sealing groove of the main hub (14);
the piston shell (5) is provided with a piston running surface which is movably connected with the piston (6); providing an axial positioning to the piston (6);
the piston shell (5) is matched with the O-shaped ring (3) to form a sealed oil duct; an oil hole is formed in the piston shell (5) so that pressure oil enters the pressure oil cavity.
3. A wet clutch for a commercial vehicle design as defined in claim 2, wherein: the piston (6) is provided with two sealing lips which are movably connected with the piston shell (5), and the piston (6) is movably connected with the execution disc (7);
the piston (6) and the piston housing (5) form a pressure oil cavity; when the pressure of the pressure oil cavity is increased, the piston (6) and the execution disc (7) overcome the spring force of the spring disc (15) to move rightwards together; further, the separation plate (11) and the friction plate (10) are pressed to combine the clutch;
conversely, when the pressure of the pressure oil chamber is reduced, the spring force of the spring plate (15) pushes the piston (6) and the actuating plate (7) to move leftwards together, and then the partition plate (11) and the friction plate (10) are separated, so that the clutch knot is opened.
4. A wet clutch for a commercial vehicle design as defined in claim 1 wherein: and a clamp (9) is arranged on the outer side of the outer shell (8), and the clamp (9) tightly holds the outer shell (8).
5. A wet clutch for a commercial vehicle design as defined in claim 1 wherein: the partition plate (11) and the friction plate (10) form a friction pair;
when the partition plate (11) and the friction plate (10) are pressed by the execution disc (7), the clutch transmits torque;
when the actuator disk (7) moves leftwards, the separator plate (11) is separated from the friction plate (10), and the clutch interrupts torque transmission.
6. A wet clutch for a commercial vehicle design as defined in claim 5, wherein: the back plate (12) supports the axial force applied to the separation plate (11) and the friction plate (10) by the piston (6) and the execution disc (7), and one side of the back plate (12) is movably connected with the separation plate (11).
7. A wet clutch for a commercial vehicle design as defined in claim 1 wherein: the outer side of the main hub (14) is provided with a clamp spring groove for installing a gear clamp spring (17), and the outer side of the main hub (14) is provided with a seal groove for installing a seal ring (18);
the main hub (14) is also provided with a pressure oil duct and a lubrication oil duct, and two needle bearings are respectively arranged on the main hub.
8. A wet clutch for a commercial vehicle design as defined in claim 1 wherein: the spring disc (15) provides spring force to press the piston (6) and the execution disc (7) to keep the piston and the execution disc in an initial position in an installation state;
when the pressure of the piston cavity is larger than the spring force, the execution disc (7) compresses the spring disc (15) and the spring disc (15) contracts, so that the partition plate (11) is combined with the friction plate (10);
when the piston chamber pressure is smaller than the spring force, the spring disc (15) pushes the actuator disc (7) to move leftwards, at which time the partition plate (11) and the friction plate (10) are separated, even if the clutch is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321955383.9U CN220320141U (en) | 2023-07-25 | 2023-07-25 | Wet clutch designed for commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321955383.9U CN220320141U (en) | 2023-07-25 | 2023-07-25 | Wet clutch designed for commercial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220320141U true CN220320141U (en) | 2024-01-09 |
Family
ID=89420104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321955383.9U Active CN220320141U (en) | 2023-07-25 | 2023-07-25 | Wet clutch designed for commercial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220320141U (en) |
-
2023
- 2023-07-25 CN CN202321955383.9U patent/CN220320141U/en active Active
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