CN114439865A - Automatic clutch and engine - Google Patents
Automatic clutch and engine Download PDFInfo
- Publication number
- CN114439865A CN114439865A CN202111679022.1A CN202111679022A CN114439865A CN 114439865 A CN114439865 A CN 114439865A CN 202111679022 A CN202111679022 A CN 202111679022A CN 114439865 A CN114439865 A CN 114439865A
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- friction plate
- wedge
- automatic clutch
- automatic
- auxiliary
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- 238000000926 separation method Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
- F16D43/06—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating axially a movable pressure ring or the like
- F16D43/08—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating axially a movable pressure ring or the like the pressure ring actuating friction plates, cones or similar axially-movable friction surfaces
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The invention discloses an automatic clutch, which comprises a plurality of groups of friction plates arranged between a central sleeve body and a pressure plate, wherein the plurality of groups of friction plates comprise a first friction plate group, an automatic separation joint friction plate group and a second friction plate group which are sequentially arranged along the axial direction of the central sleeve body, and the automatic separation joint friction plate group is axially separated from or jointed with the first friction plate group and the second friction plate group through the change of centrifugal force.
Description
Technical Field
The invention relates to the technical field of clutches, in particular to an automatic clutch and an engine.
Background
The clutch is an important part of the mechanical transmission of the vehicle, and an operator can press or release a clutch pedal as required to temporarily separate and gradually engage the engine and the gearbox so as to cut off or transmit the power input by the engine to the gearbox.
The conventional wet-type multi-plate clutch and automatic dual clutch have the following problems: the automatic clutch and the automatic double clutch have complex structures, have larger volume, large power loss, easy wear of the clutch and low transmission efficiency compared with a wet-type multi-plate clutch under the condition of transmitting the same torque; the wet-type multi-plate clutch must be manually operated to shift gears, is complex to operate, is not friendly to users and is easy to extinguish.
In order to solve the above problems, it is necessary to design an automatic clutch to solve the above problems.
Disclosure of Invention
In view of this, the automatic clutch of this technical scheme has had concurrently that traditional wet-type multiplate clutch transmission moment of torsion is big, and the commodity is better, and the advantage that the reliability is high has been compromise again to the advantage that automatic clutch operation is convenient, has overcome the various shortcomings of traditional automatic clutch, and overall structure form is simple simultaneously, has had both the characteristics of automatic shifting and manual gear shifting, has promoted the product and has controlled the performance.
An automatic clutch comprises a plurality of groups of friction plates arranged between a central sleeve body and a pressure plate, wherein the plurality of groups of friction plates comprise a first friction plate group, an automatic separation joint friction plate group and a second friction plate group which are sequentially arranged along the axial direction of the central sleeve body, and the automatic separation joint friction plate group is axially separated from or jointed with the first friction plate group and the second friction plate group through centrifugal force change.
Further, the automatic separation and engagement friction plate set comprises a main friction plate, an auxiliary friction plate, an engagement assembly and a separation assembly, wherein the engagement assembly and the separation assembly are arranged between the main friction plate and the auxiliary friction plate; the joint assembly realizes axial joint between the friction plate sets through centrifugal force change, and the separation assembly is used for axial separation between the friction plate sets.
Furthermore, the separating assembly comprises a positioning guide pillar arranged between the main friction plate and the auxiliary friction plate and an elastic piece sleeved on the positioning guide pillar.
Further, the joint component comprises a wedge-shaped space formed between the main friction plate and the auxiliary friction plate and a matching roller arranged in the wedge-shaped space, wherein a smooth cambered surface matched with the matching roller is formed in the wedge-shaped space.
Furthermore, a guide cylinder for installing an elastic part is formed on the auxiliary friction plate, and a positioning groove used for being matched with the guide cylinder is formed in the circumferential direction of the main friction plate; one end of the positioning guide pillar is arranged on the auxiliary friction plate to form a closed end face of the guide cylinder, and the other end of the positioning guide pillar axially penetrates through the guide cylinder to form an axial limit to the main friction plate; the elastic piece is arranged in the guide cylinder and is abutted and mounted with the end face of the positioning guide pillar.
Further, a roller mounting groove is formed in the main friction plate, a wedge-shaped convex block is formed on the auxiliary friction plate in a protruding mode, the wedge-shaped convex block is matched with the roller mounting groove to form a wedge-shaped space, and the smooth cambered surface is formed in the roller mounting groove.
Further, a fit arc surface matched with the smooth arc surface in a shape fitting manner for use and a linear surface matched with the matched roller for use are arranged on the wedge-shaped convex block.
Further, the separating assembly and the jointing assembly are arranged at regular intervals.
The clutch of the engine adopts the automatic clutch.
The invention has the beneficial effects that:
the automatic clutch has the advantages of large transmission torque, good commodity and high reliability of the traditional wet-type multi-plate clutch, also has the advantage of convenience in operation of the automatic clutch, overcomes various defects of the traditional automatic clutch, has the characteristics of automatic gear shifting and manual gear shifting, and improves the product control performance, and the overall structure is simple.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of an automatic disengaging clutch friction pack according to the present invention;
FIG. 3 is a schematic view of the present invention with the use of a cooperating roller;
FIG. 4 is a schematic illustration of the clutch disengagement of the present invention;
FIG. 5 is a schematic illustration of the clutch engagement of the present invention;
FIG. 6 is a schematic diagram of the configuration roller position with the clutch disengaged;
FIG. 7 is a schematic diagram showing the arrangement of roller positions when the clutch is engaged;
FIG. 8 is a schematic view of an engine of the present invention.
Detailed Description
FIG. 1 is a schematic view of the overall structure of the present invention; FIG. 2 is an exploded view of an automatic disengaging clutch friction pack according to the present invention; FIG. 3 is a schematic view of the present invention with the use of a cooperating roller; as shown in the figure, the automatic clutch comprises a plurality of groups of friction plates arranged between a central sleeve body 1 and a pressure plate 2, wherein the plurality of groups of friction plates comprise a first friction plate group 5, an automatic separation joint friction plate group 3 and a second friction plate group 4 which are sequentially arranged along the axial direction of the central sleeve body 1, the automatic separation joint friction plate group 3 is axially separated from or jointed with the first friction plate group 5 and the second friction plate group 4 through the change of centrifugal force, and the plurality of groups of friction plates are effectively jointed or separated at different speeds through the arrangement of the automatic separation joint friction plate group 3. Meanwhile, the overall structure is simple in form, the characteristics of automatic gear shifting and manual gear shifting are achieved, and the product control performance is improved.
In this embodiment, the automatic separation and engagement friction plate set includes a main friction plate 31, an auxiliary friction plate 32, an engagement assembly and a separation assembly, which are arranged between the main friction plate 31 and the auxiliary friction plate 32; the clutch comprises a main friction plate 31, an auxiliary friction plate 32, a connecting component, a separating component, a first friction plate group 5, a second friction plate group 4, a pull rod, a main spring and the like, wherein the connecting component is used for realizing axial connection between the friction plate groups through centrifugal force change, the separating component is used for axial separation between the friction plate groups, the separating component and the connecting component are arranged between the main friction plate 31 and the auxiliary friction plate 32 and are used for adjusting the distance between the main friction plate and the auxiliary friction plate so as to realize connection or separation at different speeds, and the first friction plate group 5 and the second friction plate group 4 are the same.
In this embodiment, the separating assembly includes a positioning guide pillar 34 disposed between the primary friction plate 31 and the secondary friction plate 32, and an elastic member 33 sleeved on the positioning guide pillar 34, wherein the positioning guide pillar 34 is disposed between the primary friction plate 31 and the secondary friction plate 32 for connecting the two, and the elastic member 33 is a spring for adjusting an axial distance between the primary friction plate and the secondary friction plate.
In the present embodiment, the engaging assembly includes a wedge-shaped space formed between the primary friction plate 31 and the secondary friction plate 32, and a cooperating roller 39 disposed in the wedge-shaped space, and a smooth arc surface for cooperating with the cooperating roller 39 is formed in the wedge-shaped space 39. The wedge-shaped space formed by the main friction plate 31 and the auxiliary friction plate 32 is used for installing the movable roller 39, when the rotating speed rises, the centrifugal force increases, the movable roller 39 rolls to extrude the smooth cambered surface, and axial component force is generated to enable the main friction plate 31 and the auxiliary friction plate 32 to form axial displacement, so that the main friction plate 31 and the auxiliary friction plate 32 are respectively jointed with friction plate groups on the left side and the right side.
In this embodiment, a guide cylinder 36 for mounting an elastic member is formed on the auxiliary friction plate 32, and a positioning groove 37 for cooperating with the guide cylinder 36 is formed in the circumferential direction of the main friction plate 31; one end of the positioning guide post is arranged on an auxiliary friction plate 32 (the outer side surface of the auxiliary friction plate in fig. 2, the main friction plate and the auxiliary friction plate are arranged in an inner mode, and vice versa) to form end surface sealing to the guide cylinder 36, and the other end of the positioning guide post 34 axially penetrates through the guide cylinder 36 to form axial limiting to the main friction plate 31; the elastic element 33 is disposed in the guide cylinder 36 and is mounted in contact with the end face of the positioning guide post 34.
A cavity structure for installing the elastic element 33 is formed inside the guide cylinder 36, the elastic element 33 is sleeved outside the positioning guide pillar 34 and is installed inside the guide cylinder 36, and the positioning guide pillar 34 is of an I-shaped structure along the axial section. When the rotating speed of the engine rises, the matched roller 39 rolls on the smooth cambered surface, the centrifugal force is increased, the matched roller 39 enables the main friction plate to overcome the elasticity of the elastic piece 33 through the extrusion of the smooth cambered surface, so that the axial displacement is generated, the force for increasing the axial distance of the main friction plate and the auxiliary friction plate is formed, the main friction plate and the auxiliary friction plate are respectively matched with friction plate groups at two sides (at the moment, the distance between the main friction plate and the auxiliary friction plate is D), and the clutch is in a combined state to transmit torque when the rotating speed reaches the combined rotating speed; when the rotating speed is reduced, the main friction plate cannot overcome the elastic force of the elastic piece 33 due to insufficient centrifugal force, so that the main friction plate and the auxiliary friction plate are reset, the distance is reduced, the main friction plate and the auxiliary friction plate cannot be matched with friction plate groups on two sides (at the moment, the distance between the main friction plate and the auxiliary friction plate is D, and D is larger than D), and the rotating speed is in a separation state below the combined rotating speed and does not transmit torque.
In this embodiment, the main friction plate 31 is provided with a roller mounting groove 38, the auxiliary friction plate 32 is provided with a wedge-shaped protrusion 40 in a protruding manner, the wedge-shaped protrusion 40 cooperates with the roller mounting groove 38 to form the wedge-shaped space, the smooth arc surface is formed in the roller mounting groove, and the movable roller 39 can roll in the smooth arc surface to generate different centrifugal forces at different rotation speeds to form different states.
In this embodiment, the wedge-shaped protrusion 40 is provided with a fitting arc surface 42 matched with the smooth arc surface in a shape fitting manner for use and a linear surface 41 matched with the matched roller 39 for use, the smooth arc surface is formed inside the roller mounting groove, so that the matched roller is stable in operation, the linear surface 41 is designed to be linear, the matched roller 39 and the linear surface can be separated quickly when moving, the matching setting skills of the smooth arc surface and the linear surface meet the requirement of stability of the matched roller 39 in operation, the reaction can be more sensitive, and the effect of quick separation is realized.
In this embodiment, the separation assembly and the joint assembly are both a plurality of, and the separation assembly and the joint assembly are evenly spaced apart. The separating assemblies and the jointing assemblies are alternately arranged at intervals, so that the overall structure is more reasonable, the structure is compact, and the product performance is improved.
The technical scheme is that the automatic clutch uses the situation simulation: under the condition of neutral idle speed, the clutch is in a normally-separated state, the clutch is combined with a vehicle to run after the oil is splashed to reach the combined rotating speed when starting to engage 1 gear, the gear from 2 gear to 6 gear can be freely shifted by using a hand-operated clutch, the gear can also be shifted by using oil return to control the rotating speed, and the brake can also be stepped by using oil return to step or can be separated by using the hand-operated clutch when the vehicle is stopped. Starting and stopping are realized without the need of pinching the clutch for operation, flameout is not easy, the novel hand is particularly friendly, oil return gear shifting or manual clutch operation gear shifting can be realized in the driving process, and the selection is free according to the use condition of a user.
The clutch of the engine adopts the automatic clutch.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. An automatic clutch, characterized in that: the automatic separation and engagement friction plate set is axially separated from or engaged with the first friction plate set and the second friction plate set through centrifugal force change.
2. The automatic clutch according to claim 1, wherein: the automatic separation joint friction plate set comprises a main friction plate, an auxiliary friction plate, a joint assembly and a separation assembly, wherein the joint assembly and the separation assembly are arranged between the main friction plate and the auxiliary friction plate; the joint assembly realizes axial joint between the friction plate sets through centrifugal force change, and the separation assembly is used for axial separation between the friction plate sets.
3. The automatic clutch according to claim 2, wherein: the separating assembly comprises a positioning guide pillar arranged between the main friction plate and the auxiliary friction plate and an elastic piece sleeved on the positioning guide pillar.
4. The automatic clutch according to claim 2, wherein: the joint component comprises a wedge-shaped space formed between the main friction plate and the auxiliary friction plate and a matching roller arranged in the wedge-shaped space, wherein a smooth cambered surface matched with the matching roller is formed in the wedge-shaped space.
5. The automatic clutch according to claim 3, wherein: a guide cylinder for installing an elastic part is formed on the auxiliary friction plate, and a positioning groove used for being matched with the guide cylinder is formed in the circumferential direction of the main friction plate; one end of the positioning guide pillar is arranged on the auxiliary friction plate to form a closed end face of the guide cylinder, and the other end of the positioning guide pillar axially penetrates through the guide cylinder to form an axial limit to the main friction plate; the elastic piece is arranged in the guide cylinder and is abutted and mounted with the end face of the positioning guide pillar.
6. The automatic clutch according to claim 4, wherein: the main friction plate is provided with a roller mounting groove, the auxiliary friction plate is convexly provided with a wedge-shaped convex block, the wedge-shaped convex block is matched with the roller mounting groove to form a wedge-shaped space, and the smooth cambered surface is formed in the roller mounting groove.
7. The automatic clutch according to claim 6, wherein: and the wedge-shaped lug is provided with a fit cambered surface matched with the smooth cambered surface in a shape fitting manner for use and a linear surface matched with the matched roller for use.
8. An automatic clutch according to claim 2, wherein: the separation assembly and the joint assembly are arranged at regular intervals.
9. An engine, characterized in that: the clutch of the engine adopts the automatic clutch of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111679022.1A CN114439865A (en) | 2021-12-31 | 2021-12-31 | Automatic clutch and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111679022.1A CN114439865A (en) | 2021-12-31 | 2021-12-31 | Automatic clutch and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114439865A true CN114439865A (en) | 2022-05-06 |
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ID=81365111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111679022.1A Pending CN114439865A (en) | 2021-12-31 | 2021-12-31 | Automatic clutch and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114439865A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11125279A (en) * | 1990-11-30 | 1999-05-11 | Tochigi Fuji Ind Co Ltd | Clutch device |
| US20050199468A1 (en) * | 2004-03-11 | 2005-09-15 | Gochenour Daniel V. | Centrifugal clutch with improved wear life and disengagement characteristics |
| CN200982366Y (en) * | 2006-11-28 | 2007-11-28 | 重庆建设摩托车股份有限公司 | Automatic clutch for motorcycle engine |
| US7810624B1 (en) * | 2010-01-28 | 2010-10-12 | Drussel Wilfley Design Llc | Centrifugal clutch with expansion ring assembly |
| CN203796797U (en) * | 2014-04-17 | 2014-08-27 | 毛泽彬 | Clutch capable of realizing automatic speed changing |
| CN113404791A (en) * | 2021-07-09 | 2021-09-17 | 重庆骐速科技有限公司 | Wet-type multi-plate clutch capable of disconnecting torque transmission during reverse dragging |
-
2021
- 2021-12-31 CN CN202111679022.1A patent/CN114439865A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11125279A (en) * | 1990-11-30 | 1999-05-11 | Tochigi Fuji Ind Co Ltd | Clutch device |
| US20050199468A1 (en) * | 2004-03-11 | 2005-09-15 | Gochenour Daniel V. | Centrifugal clutch with improved wear life and disengagement characteristics |
| CN200982366Y (en) * | 2006-11-28 | 2007-11-28 | 重庆建设摩托车股份有限公司 | Automatic clutch for motorcycle engine |
| US7810624B1 (en) * | 2010-01-28 | 2010-10-12 | Drussel Wilfley Design Llc | Centrifugal clutch with expansion ring assembly |
| CN203796797U (en) * | 2014-04-17 | 2014-08-27 | 毛泽彬 | Clutch capable of realizing automatic speed changing |
| CN113404791A (en) * | 2021-07-09 | 2021-09-17 | 重庆骐速科技有限公司 | Wet-type multi-plate clutch capable of disconnecting torque transmission during reverse dragging |
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