CN212055571U - Clutch mechanism and vehicle - Google Patents
Clutch mechanism and vehicle Download PDFInfo
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- CN212055571U CN212055571U CN202020737302.8U CN202020737302U CN212055571U CN 212055571 U CN212055571 U CN 212055571U CN 202020737302 U CN202020737302 U CN 202020737302U CN 212055571 U CN212055571 U CN 212055571U
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Abstract
The embodiment of the application provides a clutch mechanism and vehicle, and clutch mechanism includes driving gear, transmission shaft, driven gear, revolution mechanic and axial transmission structure. The transmission shaft is fixed with the driving gear and rotates along with the rotation of the driving gear. The driven gear is arranged on the transmission shaft through a bearing, and a first meshing structure is arranged on one side close to the rotating structure. The rotating structure comprises an inner ring structure arranged on the transmission shaft and an outer ring structure meshed with the inner ring structure through a second meshing structure, and the second meshing structure is matched with the first meshing structure. The axial transmission structure is separated from the outer ring structure in the radial direction and can be in contact arrangement in the axial direction and is used for being connected with an external force generating device, so that the outer ring structure is driven to slide towards the driven gear under the action of an external force, and the second meshing structure is meshed with the inner ring structure and the first meshing structure simultaneously. The whole clutch mechanism is simple in structure, few in required parts, low in manufacturing cost and easy to meet the requirements of assembly process and product quality control.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to a clutch mechanism and a vehicle.
Background
In the structure of the hybrid power transmission system, when the engine in the hybrid power assembly generates electricity, the power output is transmitted or cut off to the vehicle. In order to solve the controllability of the power transmission of the vehicle when the engine runs, a set of clutch mechanism for cutting off and connecting the power needs to be added at the middle position.
Conventional clutch mechanisms typically take the form of a multi-plate clutch to disconnect or connect power. The multi-plate clutch has a complex form and structure and a large number of parts, so that the manufacturing cost of the conventional clutch mechanism is high, and the requirements on the assembly process and the quality control of products are high.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the application is to provide a clutch mechanism and a vehicle, which are used for solving the problems that the traditional clutch mechanism is complex in structure and large in number of parts.
The embodiment of the application provides a clutching mechanism, includes: a driving gear; the transmission shaft is fixed with the driving gear and rotates along with the rotation of the driving gear, and the central axis of the transmission shaft is superposed with the central axis of the driving gear; the driven gear is arranged on the transmission shaft through a bearing, and a first meshing structure is arranged on one side close to the rotating structure; the rotating structure is provided on one side of the driven gear having the first engaging structure, and includes: the inner ring structure is arranged on the transmission shaft and rotates along with the rotation of the transmission shaft, and the outer ring structure is meshed with the outer side of the inner ring structure through a second meshing structure; the second engagement structure of the outer ring structure is matched with the first engagement structure; and the axial transmission structure is separated from the outer ring structure in the radial direction, can be contacted with the outer ring structure in the axial direction, and is used for being connected with an external force generating device so as to drive the outer ring structure to slide towards the driven gear under the action of an external force, so that the second meshing structure is meshed with the inner ring structure and the first meshing structure simultaneously.
In the implementation structure, when the clutch mechanism needs to realize power transmission from the driving gear to the driven gear, the outer ring structure of the rotating structure can slide to the driven gear under the action of external force, so that the outer ring structure is meshed with the first meshing structure of the inner ring structure and the driven gear simultaneously, and the rotating structure rotates to drive the driven gear to rotate. When the power transmission from the driving gear to the driven gear is not needed, the outer ring structure of the rotating structure can slide away from the driven gear under the action of external force, so that the outer ring structure is separated from the first meshing structure of the driven gear, and the source of the rotating power of the driven gear is cut off. The whole clutch mechanism is simple in structure, the number of required parts is less than that of a conventional clutch mechanism, the manufacturing cost is lower, and meanwhile, the requirements on the assembly process and the quality control of products are met and realized more easily.
Further, the clutch mechanism further includes: the friction piece is arranged between the inner ring structure and the driven gear, and the edge of the friction piece is consistent with the outer edge of the inner ring structure; and the elastic pressing structure is arranged on one side of the friction piece, which faces the rotating structure, is contacted with the lower edge of the second meshing structure when the outer ring structure slides towards the driven gear, and pushes the friction piece under the pressing of the lower edge of the second meshing structure so as to enable the friction piece to be contacted with the driven gear.
In above-mentioned implementation structure, through setting up the friction piece, and set up elasticity oppression structure on the friction piece, thereby make when outer loop structure moves to driven gear, can oppress friction piece and driven gear contact through elasticity oppression structure, thereby utilize the produced frictional force of friction piece to drive driven gear and rotate, thereby reduce the rotational speed difference between driven gear and the outer loop structure, it is unanimous to reach the rotational speed of driven gear rotational speed and outer loop structure, thereby be convenient for realize the meshing between outer loop structure and driven gear's the first engagement structure.
Furthermore, a clamping protrusion is arranged on the friction piece; the inner ring structure is provided with a groove matched with the clamping protrusion, and the friction piece is arranged on the inner ring structure through the clamping protrusion and the groove; the size of the groove is larger than that of the clamping protrusion.
In the above-described implementation structure, the friction member can be implemented to be provided to the inner ring structure by the protrusion and the groove. And the size of recess is greater than the protruding size of screens, then can make the friction piece have gliding allowance when fixed to when the elastic compression structure oppresses the friction piece, the friction piece can carry out the displacement, thereby closely laminate to on the driven gear.
Further, the elastic compression structure is a steel wire.
Further, a tooth-shaped structure matched with the second meshing structure is arranged on the outer side of the friction piece.
In the above implementation structure, the toothed structure matched with the second meshing structure is arranged outside the friction piece, so that when the outer ring structure slides to the first meshing structure of the driven gear, direction guiding can be carried out through the toothed structure, and therefore meshing between the outer ring structure and the first meshing structure is facilitated.
Further, an axial length of the second engagement structure is greater than a sum of an axial length of the first engagement structure and a distance from the first engagement structure to the inner ring structure.
In the implementation structure, because the axial length of the second meshing structure is greater than the sum of the axial length of the first meshing structure and the distance from the first meshing structure to the inner ring structure, the outer ring structure can be meshed with the inner ring structure and further meshed with the first meshing structure of the driven gear, so that power transmission to the driven gear can be effectively achieved, and the loss of the friction plate is reduced while reliable power transmission is achieved.
Further, the axial transmission structure includes: a fork shaft; the shifting fork comprises a shifting fork ring and a shifting fork seat which are fixedly connected; the shifting fork seat is slidably arranged on the shifting fork shaft and is used for being connected with the external force generating equipment; the shifting fork ring is arranged on the outer ring structure, is separated from the outer ring structure in the radial direction and can be arranged in a contact mode in the axial direction.
Further, a sliding groove is formed in the outer side of the outer ring structure; the shifting fork ring is positioned in the sliding groove and is not contacted with the inner wall of the sliding groove.
Further, the transmission shaft is provided with a first transmission tooth; the inner ring structure is provided with a second transmission tooth matched with the first transmission tooth; the inner ring structure is engaged with the first transmission teeth through the second transmission teeth.
In the implementation structure, the power transmission reliability between the rotating structure and the transmission shaft can be effectively ensured in a gear meshing mode, and the structure is simple and reliable.
The embodiment of the application also provides a vehicle, which comprises an external force generating device and any one of the clutch mechanisms; the external force generating equipment is connected with the axial transmission structure of the clutch mechanism.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1-1 is a schematic diagram of a basic structure of a clutch mechanism according to an embodiment of the present application;
1-2 are cross-sectional views of a clutch mechanism corresponding to the basic structure of FIG. 1-1 provided by an embodiment of the present application;
fig. 2 is a schematic structural view of a clutch mechanism for fixing a transmission shaft and an inner ring structure through transmission teeth according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a clutch mechanism with a friction member according to an embodiment of the present disclosure;
FIG. 4 is a cross-sectional view of the basic structure of a clutch mechanism corresponding to FIG. 3 according to an embodiment of the present application;
FIG. 5 is a schematic structural diagram of a friction member according to an embodiment of the present disclosure;
FIG. 6 is a schematic structural diagram of a friction member in close contact with a driven gear according to an embodiment of the present disclosure;
FIG. 7 is a schematic structural diagram of a specific clutch mechanism provided in the embodiment of the present application;
fig. 8 is a cross-sectional view of a clutch mechanism shown in fig. 7 according to an embodiment of the present application.
Icon: 10-a drive gear; 11-a drive shaft; 110-a second gear; 12-a driven gear; 120-a first engagement structure; 13-a rotating structure; 131-an inner ring structure; 132-an outer ring structure; 1321-a chute; 14-axial transmission structure; 140-a declutch shift shaft; 141-a fork ring; 142-a fork mount; 15-a friction member; 151-elastic compression structure; 152-a clamping bulge; 16-a bearing; 20-an external force generating device.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
The first embodiment is as follows:
in order to solve the problems that the traditional clutch mechanism is complex in structure and large in number of parts, the manufacturing cost is reduced, the requirements on the assembly process and the quality control of products are reduced, and the clutch mechanism is convenient to adopt in industrial application on a large scale, the embodiment of the application provides the clutch mechanism. The following describes a clutch mechanism provided in an embodiment of the present application with reference to the drawings.
Referring to fig. 1-1 and fig. 1-2, a clutch mechanism provided in an embodiment of the present application includes a driving gear 10, a transmission shaft 11, a driven gear 12, a rotating structure 13, and an axial transmission structure 14. Wherein:
the transmission shaft 11 is fixed to the driving gear 10 and rotates with the rotation of the driving gear 10.
It should be understood that in practice, the drive gear 10 is typically coupled to a power source, such as an engine.
In the embodiment of the present application, the transmission shaft 11 may be fixedly connected to the center of the driving gear 10 so as to rotate based on the same central axis as the driving gear 10 when the driving gear 10 rotates.
In a possible implementation manner of the embodiment of the present application, the transmission shaft 11 may be integrally formed with the driving gear 10 to ensure good transmission performance between the transmission shaft 11 and the driving gear 10.
Of course, the transmission shaft 11 and the driving gear 10 can be fixed in other ways. The fixing between the transmission shaft 11 and the driving gear 10 can be realized by welding, gear engagement, rivet fixing, and the like, for example, and the specific fixing manner is not limited in the embodiment of the present application.
The driven gear 12 is provided on the transmission shaft 11 through a bearing 16 so that the driven gear 12 can not rotate with the rotation of the transmission shaft 11 without the remaining structure acting thereon.
And a rotating structure 13 is provided on the transmission shaft 11 adjacent to the driven gear 12.
In the present embodiment, the rotating structure 13 includes an inner ring structure 131 and an outer ring structure 132. The inner ring structure 131 is disposed on the transmission shaft 11 and rotates with the rotation of the transmission shaft, and a third engaging structure is disposed outside the inner ring structure 131. The outer ring structure 132 has a second engagement structure matching the third engagement structure, and the second engagement structure engages with the third engagement structure, so that the outer ring structure 132 can rotate in the radial direction with the rotation of the inner ring structure 131 and can slide in the axial direction relative to the inner ring structure 131.
Furthermore, the driven gear 12 is provided with a first engagement structure 120 on a side close to the rotation structure 13, which matches the second engagement structure.
The axial transmission structure 14 is separated from the outer ring structure 132 in the radial direction, and is disposed in contact with the axial direction, and is used for connecting with an external force generating device 20 (such as a driving motor, a cylinder, etc.). Thus, under the action of an external force, the axial transmission structure 14 can drive the outer ring structure 132 to slide towards the driven gear 12, so that the second engagement structure is simultaneously engaged with the third engagement structure of the inner ring structure 131 and the first engagement structure 120 of the driven gear 12.
At this time, under the action of the first engagement structure, the second engagement structure and the third engagement structure, the rotation of the driving gear 10 can effectively drive the driven gear 12 to rotate, and the reliable transmission of power from the driving gear 10 to the driven gear 12 is realized. When the power transmission from the driving gear 10 to the driven gear 12 is not required, the outer ring structure 132 of the rotating structure 13 is only required to slide away from the driven gear 12, so that the outer ring structure 132 is separated from the first engaging structure 120 of the driven gear 12, and the source of the rotating power to the driven gear 12 is cut off. The whole clutch mechanism is simple in structure, the number of required parts is less than that of a conventional clutch mechanism, the manufacturing cost is lower, and meanwhile, the requirements on the assembly process and the quality control of products are met and realized more easily.
It should be noted that in the embodiment of the present application, the axial length of the second engagement structure may be set to be greater than the sum of the axial length of the first engagement structure 120 and the distance from the first engagement structure 120 to the inner ring structure 131. This ensures that the outer ring structure 132 is not separated from the third engagement structure of the inner ring structure 131 when it is fully engaged with the first engagement structure 120, thereby effectively ensuring the transmission reliability of power.
In the embodiment of the present application, in order to enable the inner ring structure 131 to rotate with the rotation of the transmission shaft 11, the inner ring structure 131 and the transmission shaft 11 may be formed as an integral structure. Of course, other fixing means may be used. For example, referring to fig. 2, a first transmission tooth may be provided at a portion where the inner ring structure 131 is coupled to the transmission shaft 11, and a second transmission tooth 110 matching the first transmission tooth may be provided on the transmission shaft 11, so that the inner ring structure 131 is engaged with the second transmission tooth 110 through the first transmission tooth to be radially fixed to the transmission shaft 11.
It should be noted that in the embodiment of the present application, the position of the inner ring structure 131 on the transmission shaft 11 may be fixed, so as to avoid the inner ring structure 131 from shifting on the transmission shaft 11, which affects the structural stability of the clutch mechanism. For this reason, in the combination structure shown in fig. 2, a limiting structure (for example, a structure such as a retaining ring) may be provided at a position where the first transmission tooth of the transmission shaft 11 is connected to the inner ring structure 131, so as to ensure that the inner ring structure 131 does not move on the transmission shaft 11.
In the embodiment of the present application, in order to facilitate the engagement between the second engagement structure of the outer ring structure 132 and the first engagement structure 120 of the driven gear 12, as can be seen from fig. 3, 4, 5 and 6, a friction member 15 may be provided between the inner ring structure 131 and the driven gear 12, and an elastic pressing structure 151 may be provided on a side of the friction member 15 facing the rotating structure 13. The upper edge position of the elastic pressing structure 151 is slightly higher than the lower edge position of the second engagement structure of the existing outer ring structure 132, so that when the outer ring structure 132 slides towards the driven gear 12, the elastic pressing structure 151 can be contacted with the lower edge of the second engagement structure, and under the pressing of the lower edge of the second engagement structure, the friction piece 15 is pushed, so that the friction piece 15 is contacted with the driven gear 12, so that friction force is generated to drive the driven gear 12 to rotate, the rotation speed difference between the driven gear 12 and the outer ring structure 132 is reduced, and therefore the engagement between the outer ring structure 132 and the first engagement structure 120 of the driven gear 12 is convenient to realize.
In the embodiment, in order to facilitate the engagement between the outer ring structure 132 and the first engagement structure 120 of the driven gear 12, the edge of the friction member 15 may be coincident with the outer edge of the inner ring structure 131 so as not to interfere with the movement of the outer ring structure 132.
Further, in the present embodiment, the outer side of the friction member 15 may be provided with a toothed structure matching the second engagement structure, so that when the outer ring structure 132 slides toward the first engagement structure 120 of the driven gear 12, directional guidance may be performed by the toothed structure of the friction member 15, thereby facilitating the engagement between the outer ring structure 132 and the first engagement structure 120.
In the embodiment of the present application, in order to realize the pushing of the friction member, the friction member 15 may be fixed on the inner ring structure 131, and a certain movement margin may be left when the friction member 15 is fixed, so that the friction member 15 is tightly attached to the side surface of the driven gear 12 under the pushing of the elastic pressing structure 151.
For example, referring to fig. 5 and 6, the friction member 15 may be provided with a detent protrusion 152, and the inner ring structure 131 may be provided with a groove matching with the detent protrusion 152, so that the friction member 15 may be disposed on the inner ring structure 131 through the detent protrusion 152 and the groove. In order to provide the friction member 15 with a certain movement margin, the size of the groove should be slightly larger than the size of the detent protrusion 152. In the present example, the depth of the groove may be slightly greater than the height of the detent protrusion 152, so that the friction member 15 has a certain movement margin in the axial direction of the inner ring structure 131; furthermore, the width of the recess can also be slightly greater than the width of the detent projection 152, so that the friction element 15 also has a certain play margin in the radial direction of the inner ring structure 131.
It should also be understood that the foregoing is only one possible arrangement that may be employed in embodiments of the present application and is not intended to represent the only arrangement that may be employed in embodiments of the present application. For example, in the embodiment of the present application, the detent protrusion may be disposed on the inner ring structure 131, and the groove may be disposed on the friction member 15.
In the embodiment of the present application, the elastic pressing structure 151 may be implemented by using a steel wire, or may be implemented by using other materials with better structural toughness and structural restorability.
In addition, in the embodiment of the present application, the friction member 15 may be a friction ring or a friction plate.
In a possible implementation manner of the embodiment of the present application, the outer ring structure 132 may have a sliding slot 1321 on the outer side; the axial transmission structure 14 may have a first structure slightly smaller than the chute 1321, and a second structure for connecting with the external force generating device 20, the first structure being fixedly connected with the second structure. The first structure is disposed in the sliding slot 1321 of the outer ring structure 132, so that when the external force generating device 20 generates a force to push the second structure toward the driven gear 12, the first structure applies a force to the inner wall of the sliding slot 1321, thereby pushing the outer ring structure 132 to slide on the transmission shaft 11 toward the driven gear 12; when the external force generating device 20 generates a force to pull the second structure away from the driven gear 12, the first structure applies a force to the inner wall of the sliding slot 1321, so as to pull the outer ring structure 132 to slide on the transmission shaft 11 away from the driven gear 12.
In the above-described possible example, the first structure may be placed inside the slide slot 1321 without normally contacting the inner wall of the slide slot 1321. In addition, rollers may be disposed on the first structure in two directions near the left and right inner walls of the sliding slot 1321, or rollers may be disposed on the left and right inner walls of the sliding slot 1321, so that the friction caused by the rotation of the outer ring structure 132 when the first structure contacts the inner wall of the sliding slot 1321 is reduced by the rollers. In addition, instead of providing the roller, plastic may be used to wrap the first structure, so as to reduce the friction caused by the rotation of the outer ring structure 132 when the first structure contacts the inner wall of the sliding slot 1321.
In an embodiment of the present application, referring to fig. 1-1, 1-2 and 2, the axial transmission structure may include a shift fork, the first structure may be a fork ring 141 of the shift fork, and the second structure may be a fork seat 142 of the shift fork.
In addition, in the embodiment of the present application, still referring to fig. 3, the axial transmission structure 14 may further have a fork shaft 140, and the fork seat 142 may be slidably disposed on the fork shaft 140, so that the fork seat 142 may slide on the fork shaft 140 under the action of the external force generating device 20.
In the embodiment of the present application, the fork shaft 140 may be fixed at a corresponding position of the vehicle, thereby achieving the effect as shown in fig. 3.
In another possible implementation manner of the embodiment of the present application, the axial transmission structure 14 may have a groove body and a third structure for connecting with the external force generating device 20, the groove body is fixedly connected to the third structure, and the width of the groove body is slightly greater than the axial length of the outer side of the outer ring structure 132, so that when the axial transmission structure is set, the outer side of the outer ring structure 132 is placed in the groove of the groove body and does not abut against the groove bottom of the groove body. Thus, when the external force generating device 20 generates a force to push the third structure toward the driven gear 12, the groove body can apply a force to the side of the outer ring structure 132 away from the driven gear 12, so as to push the outer ring structure 132 to slide on the transmission shaft 11 toward the driven gear 12; when the external force generating device 20 generates a force to pull the third structure away from the driven gear 12, the groove body applies the force to the side of the outer ring structure 132 close to the driven gear 12, thereby pulling the outer ring structure 132 to slide on the transmission shaft 11 away from the driven gear 12.
In the above-described possible example, the outer side of the outer ring structure 132 may be disposed within the tank body and normally not in contact with the inner wall of the tank body. In addition, rollers may be disposed on the inner walls of the left and right sides of the slot, or on the left and right sides of the outer ring structure 132, so as to reduce the friction caused by the rotation of the outer ring structure 132 when the slot contacts the outer ring structure 132. In addition, instead of the rollers, plastic may be disposed inside the slot body, so that friction caused by rotation of the outer ring structure 132 when the slot body contacts the outer ring structure 132 is reduced by the plastic.
It should be understood that the above are only two possible example ways provided in the embodiments of the present application, and it should not be considered that the embodiments of the present application can be realized only by using the aforementioned axial transmission structure.
In the embodiment of the present application, the first engagement structure, the second engagement structure, and the third engagement structure may be spline structures, wherein the second engagement structure is an internal spline, and the first engagement structure and the third engagement structure are external splines matching with the internal spline, so that the engagement between the outer ring structure 132 and the inner ring structure 131, the outer ring structure 132, and the first engagement structure 120 of the driven gear 12 is achieved by the engagement between the splines.
It should be noted that, in the embodiment of the present application, the first engagement structure, the second engagement structure, and the third engagement structure may be implemented by a spline structure, and may also be implemented by other engageable structures, such as by a gear structure. In the embodiment of the application, the implementation by the gear structure and the implementation by the spline structure are equivalent in implementation manner and effect.
In addition, in the embodiment of the present application, a position sensor may be further disposed at the outer ring structure 132, so that the position monitoring of the outer ring structure 132 is achieved through the position sensor, and then whether the engagement between the second engagement structure of the outer ring structure 132 and the first engagement structure 120 of the driven gear 12 is in place is determined according to the position of the outer ring structure 132, thereby improving the reliability of the scheme.
In an alternative implementation of the embodiment of the present application, as can be seen in fig. 7 and 8, the rotating structure 13 may include an inner ring structure 131 and an outer ring structure 132, and the inner ring structure 131 and the outer ring structure 132 are engaged by splines. The outer ring structure 132 has a slide slot 1321 thereon. The axial transmission structure 14 includes a fork shaft 140, a fork ring 141 and a fork base 142, and the fork ring 141 is located in the slide slot 1321. The side of the driven gear 12 adjacent the rotating structure 13 is provided with external splines matching the internal splines of the outer ring structure 132. The friction member 15 is fixed to the inner ring structure 131, and the friction member 15 has a certain movement margin in the axial direction and the radial direction of the inner ring structure 131. The friction member 15 is provided with a steel wire on the side facing the rotating structure, and the position of the upper edge of the steel wire is slightly higher than the position of the lower edge of the internal spline of the outer ring structure 132. In the clutch mechanism shown in fig. 7 and 8, under the action of the external force generating device 20, the outer ring structure 132 can move towards the driven gear 12, during the movement, the lower edge of the internal spline in the outer ring structure 132 presses the steel wire, so that the steel wire gives a forward force to the friction member 15, the friction member 15 is tightly attached to the driven gear 12, the rotational speed difference between the outer ring structure 132 and the driven gear 12 is reduced by the friction force, and the internal spline of the outer ring structure 132 is meshed with the external spline of the driven gear 12 under the action of the external force. Similarly, the application of the desired force by the external force generating device 20 may cause the outer ring structure 132 to move away from the driven gear 12, thereby effecting the disengagement of the outer ring structure 132 from the driven gear 12. The aforementioned structure can effectively realize the combination and separation of the outer ring structure 132 and the driven gear 12, and realize the controllable transmission of power.
The embodiment of the present application also provides a vehicle, which may include an external force generating device 20 and the aforementioned clutch mechanism, wherein the external force generating device 20 is connected to the axial transmission structure 14 of the clutch mechanism, so as to provide external force support for sliding of the outer ring structure 132 through the axial transmission structure 14.
The external force generating device 20 in the embodiment of the present application may be a driving motor or the like.
The clutch mechanism and the vehicle that this application embodiment provided, when clutch mechanism need realize the power transmission from the driving gear to the driven gear, can be under the exogenic action with the outer ring structure cunning of revolution mechanic to driven gear for outer ring structure meshes with the first engagement structure of inner ring structure and driven gear simultaneously, thereby makes revolution mechanic's rotation can drive driven gear and rotate. When the power transmission from the driving gear to the driven gear is not needed, the outer ring structure of the rotating structure can slide away from the driven gear under the action of external force, so that the outer ring structure is separated from the first meshing structure of the driven gear, and the source of the rotating power of the driven gear is cut off. The whole clutch mechanism is simple in structure, the number of required parts is less than that of a conventional clutch mechanism, the manufacturing cost is lower, and meanwhile, the requirements on the assembly process and the quality control of products are met and realized more easily.
In the embodiments provided in the present application, it should be understood that the disclosed structure may be implemented in other ways. The structural embodiments described above are merely illustrative.
Moreover, in this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A clutch mechanism, comprising:
a driving gear;
the transmission shaft is fixed with the driving gear and rotates along with the rotation of the driving gear, and the central axis of the transmission shaft is superposed with the central axis of the driving gear;
the driven gear is arranged on the transmission shaft through a bearing, and a first meshing structure is arranged on one side close to the rotating structure;
the rotating structure is provided on one side of the driven gear having the first engaging structure, and includes: the inner ring structure is arranged on the transmission shaft and rotates along with the rotation of the transmission shaft, and the outer ring structure is meshed with the outer side of the inner ring structure through a second meshing structure; the second engagement structure of the outer ring structure is matched with the first engagement structure;
and the axial transmission structure is separated from the outer ring structure in the radial direction, can be contacted with the outer ring structure in the axial direction, and is used for being connected with an external force generating device so as to drive the outer ring structure to slide towards the driven gear under the action of an external force, so that the second meshing structure is meshed with the inner ring structure and the first meshing structure simultaneously.
2. The clutch mechanism of claim 1, further comprising:
the friction piece is arranged between the inner ring structure and the driven gear, and the edge of the friction piece is consistent with the outer edge of the inner ring structure;
and the elastic pressing structure is arranged on one side of the friction piece, which faces the rotating structure, is contacted with the lower edge of the second meshing structure when the outer ring structure slides towards the driven gear, and pushes the friction piece under the pressing of the lower edge of the second meshing structure so as to enable the friction piece to be contacted with the driven gear.
3. The clutch mechanism of claim 2, wherein the friction member is provided with a detent projection;
the inner ring structure is provided with a groove matched with the clamping protrusion, and the friction piece is arranged on the inner ring structure through the clamping protrusion and the groove;
the size of the groove is larger than that of the clamping protrusion.
4. The clutch mechanism of claim 2, wherein the resilient urging structure is a wire.
5. The clutch mechanism of claim 2, wherein the friction member is provided on an outer side thereof with a tooth structure matching the second engagement structure.
6. The clutch mechanism of any one of claims 1-5, wherein the axial length of the second engagement structure is greater than the sum of the axial length of the first engagement structure and the distance from the first engagement structure to the inner ring structure.
7. A clutch mechanism according to any one of claims 1-5, characterised in that the axial transmission structure comprises:
a fork shaft;
the shifting fork comprises a shifting fork ring and a shifting fork seat which are fixedly connected;
the shifting fork seat is slidably arranged on the shifting fork shaft and is used for being connected with the external force generating equipment;
the shifting fork ring is arranged on the outer ring structure, is separated from the outer ring structure in the radial direction and can be arranged in a contact mode in the axial direction.
8. The clutch mechanism of claim 7, wherein said outer ring structure has a slot on an outer side thereof; the shifting fork ring is positioned in the sliding groove and is not contacted with the inner wall of the sliding groove.
9. A clutch mechanism according to any one of claims 1 to 5, characterised in that the drive shaft has first drive teeth thereon;
the inner ring structure is provided with a second transmission tooth matched with the first transmission tooth;
the inner ring structure is engaged with the first transmission teeth through the second transmission teeth.
10. A vehicle, characterized by comprising: an external force generating device and a clutch mechanism according to any one of claims 1-9;
the external force generating equipment is connected with the axial transmission structure of the clutch mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020737302.8U CN212055571U (en) | 2020-05-07 | 2020-05-07 | Clutch mechanism and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020737302.8U CN212055571U (en) | 2020-05-07 | 2020-05-07 | Clutch mechanism and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212055571U true CN212055571U (en) | 2020-12-01 |
Family
ID=73527160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020737302.8U Active CN212055571U (en) | 2020-05-07 | 2020-05-07 | Clutch mechanism and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212055571U (en) |
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2020
- 2020-05-07 CN CN202020737302.8U patent/CN212055571U/en active Active
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