CN218326029U

CN218326029U - Clutch device and actuator with same

Info

Publication number: CN218326029U
Application number: CN202222704831.XU
Authority: CN
Inventors: 王瑞林
Original assignee: Individual
Current assignee: Ningbo Lanqi Intelligent Technology Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-01-17
Anticipated expiration: 2032-10-14

Abstract

The application discloses a clutch device and an actuator with the clutch device; relates to the field of electric actuators, simplifies the structure of a clutch device and reduces the manufacturing cost. The clutch device comprises a clutch gear wheel, a clutch piece, a clutch shaft and an anti-disengaging piece, wherein the clutch gear wheel is externally sleeved on the clutch shaft, the clutch gear wheel is provided with a groove cavity, an elastic piece and a lower clutch plate are sequentially arranged in the groove cavity along the axial direction, the elastic piece is arranged between the inner bottom of the groove cavity and the lower clutch plate, the lower clutch plate is connected with the clutch gear wheel and synchronously rotates with the clutch gear wheel, the lower clutch plate can act on the elastic piece along the axial direction, one end of the clutch piece, far away from the clutch gear wheel, is provided with a clutch pinion, one end of the clutch piece, close to the clutch gear wheel, is provided with the upper clutch plate, the upper clutch plate is arranged in the groove cavity and is engaged with the lower clutch plate, the clutch pinion is externally sleeved on the clutch shaft, the anti-disengaging piece can be detachably arranged between the clutch gear wheel and the clutch shaft, and is used for limiting the downward movement of the clutch gear wheel along the axial direction.

Description

Clutch device and actuator with same

Technical Field

The application relates to the field of electric actuators, in particular to a clutch device and an actuator with the clutch device.

Background

The clutch actuator is an overload clutch, which can be used, for example, in an electric rearview mirror of a motor vehicle, such as a charging port of an electric motor vehicle.

The invention patent with application number CN202110297046.4 discloses an electric small door actuator assembly on a fuel charging box cover or a charging box cover for a vehicle, which comprises a clutch mechanism, wherein the clutch mechanism is connected between a transmission mechanism and an output device and has a separation state and an engagement state. The clutch mechanism comprises a clutch shell, a clutch gear assembly arranged in the clutch shell and an elastic switching piece positioned between the clutch shell and the clutch gear assembly; in order to achieve easy mounting or dismounting of the clutch gear assembly, the clutch housing comprises a clutch upper cover and a clutch bottom shell which are detachably connected (preferably in a snap-fit manner), and in order to achieve transmission, the clutch input teeth are arranged on the clutch bottom shell.

The clutch mechanism with the structure has more parts and complex structure, and the clutch shell is connected in a buckling mode, so that the clutch shell is complex to process and long in manufacturing period, and the cost is increased. In addition, the buckle on the clutch housing that adopts the buckle form to connect generally is the working of plastics, and the buckle is ageing easily, leads to the connection inefficacy of clutch upper cover and clutch drain pan.

Disclosure of Invention

An object of the present application is to provide a clutch device, which has a simplified structure, a compact assembly, and a reduced manufacturing cost.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: the utility model provides a clutch, includes separation and reunion gear wheel, clutch shaft and anticreep spare, separation and reunion gear wheel overcoat is on the clutch shaft, the separation and reunion gear wheel has the vallecular cavity, is equipped with elastic component, lower clutch plate in proper order along the axial in this vallecular cavity, the elastic component is located vallecular cavity inner bottom with down between the clutch plate, down the clutch plate with the separation and reunion gear wheel is connected and with separation and reunion gear wheel synchronous rotation, the clutch plate can be followed axial activity and acted on the elastic component down, the clutch keeps away from the one end of separation and reunion gear wheel has the separation and reunion pinion, the clutch is close to the one end of separation and reunion gear wheel has last clutch plate, go up the clutch plate locate in the vallecular cavity and with clutch plate meshing down, separation and reunion pinion overcoat in the clutch shaft, the anticreep spare detachable setting is in the separation and reunion gear wheel with between the clutch shaft, the anticreep spare is used for the restriction the separation and reunion gear wheel is along axial downward activity.

Compared with the prior art, the application has the advantages that: the elastic piece, the lower clutch plate and the upper clutch plate are all arranged in the groove cavity of the clutch gearwheel, the assembly is compact, the structure is simplified, the length of the whole clutch device in the axial direction is shortened, and the volume is reduced. In brief, a groove cavity arranged on the clutch gearwheel is used for accommodating the elastic part, the lower clutch plate and the upper clutch plate and is a space for assembling the elastic part, the lower clutch plate and the upper clutch plate together; the lower clutch plate is connected with the clutch gearwheel, and the clutch gearwheel can drive the lower clutch plate to synchronously rotate; the lower clutch plate is meshed with the upper clutch plate, and the lower clutch plate and the upper clutch plate can be switched between a clutch state and an engaged state during the operation of the clutch device; the clutch pinion is used to transmit motion.

In some embodiments of this application, the slot cavity position placed in the middle of separation and reunion gear wheel is equipped with bellied connecting portion, the clutch plate has the connecting hole down, the clutch plate passes through the connecting hole overcoat down on the connecting portion, down the clutch plate with connecting portion axial sliding fit, the clutch plate with connecting portion radial joint down.

In some embodiments of the present application, the connecting portion is in male-female connection with the lower clutch plate.

In some embodiments of the present application, the inner circumferential surface of the connecting hole is provided with a concave structure, and the outer circumferential surface of the connecting part is provided with a convex structure matched with the concave structure; the concave-convex connection of the connecting part and the lower clutch plate means that the concave structure is connected with the convex structure.

In some embodiments of the present application, the connecting portion is provided with a shaft hole, and the clutch gearwheel is sleeved on the clutch shaft through the shaft hole.

In some embodiments of this application, be close to on the clutch shaft separation and reunion gear wheel tip position is equipped with the jump ring groove, anticreep piece is sheet structure and overcoat and is in on the jump ring groove, the separation and reunion gear wheel will anticreep piece butt is in on the shaft shoulder in jump ring groove.

In some embodiments of the present application, the clutch gear wheel has helical teeth on its outer circumferential surface. For connecting other transmission pairs.

In some embodiments of the present application, the clutch pinion has straight teeth on an outer circumferential surface thereof. For connecting other transmission pairs.

In some embodiments of the present application, the clutch is a unitary structure. The clutch with the integrated structure is convenient to process and manufacture, and the cost is reduced.

Another object of the present application is to provide an actuator with a clutch device, which has a simplified structure, a compact assembly and a reduced manufacturing cost.

In order to solve the above technical problem, the present application provides another technical solution: an actuator with a clutch device comprises a shell, wherein the shell is internally provided with a driving device, a secondary transmission device, an output device and the clutch device with the structure, and the driving device, the secondary transmission device, the clutch device and the output device are sequentially in transmission connection.

Compared with the prior art, the application has the advantages that: the clutch device has the advantages of simplified internal structure, compact assembly of all parts, small overall volume and low manufacturing cost. In the clutch device, the elastic piece, the lower clutch plate and the upper clutch plate are all arranged in a groove cavity of the clutch gear wheel, so that the axial length of the whole clutch device is shortened, and the volume is reduced. In brief, a groove cavity arranged on the clutch gearwheel is used for accommodating the elastic part, the lower clutch plate and the upper clutch plate and is a space for assembling the elastic part, the lower clutch plate and the upper clutch plate together; the lower clutch plate is connected with the large clutch gear, and the large clutch gear can drive the lower clutch plate to synchronously rotate; the lower clutch plate is meshed with the upper clutch plate, and the lower clutch plate and the upper clutch plate can be switched between a clutch state and an engaged state during the operation of the clutch device; the clutch pinion is used for transmitting motion; in addition, the clutch device is positioned at the front-stage transmission pair of the output device, so that the bearing capacity of the clutch device is increased.

Drawings

FIG. 1 is a perspective view of a clutch device;

FIG. 2 is a schematic cross-sectional view of the clutch device;

FIG. 3 is an exploded view of the clutch device;

FIG. 4 is a perspective assembled view of the clutch assembly;

FIG. 5 is an exploded view of the clutch;

FIG. 6 is a schematic diagram of the connection of each transmission pair of the clutch.

In the figure: 1. a housing; 2. a shell cover; 3. an output aperture; 4. a power supply terminal; 5. an installation part; 6. a drive motor; 7. a worm; 8. an upper tooth portion; 9. a lower tooth portion; 10. a large gear is clutched; 11. a clutch pinion; 12. an upper clutch plate; 13. a lower clutch plate; 14. an elastic member; 15. a clutch shaft; 16. a connecting portion; 17. connecting holes; 18. a drop-preventing member; 19. a clamp spring slot; 20. an output gear; 21. an output shaft; 22. mounting holes; 23. a gasket.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations and positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1-6, an actuator with a clutch device includes a housing 1, a driving device, a secondary transmission device, an output device and the clutch device are disposed in the housing 1, and the driving device, the secondary transmission device, the clutch device and the output device are sequentially connected in a transmission manner.

The shell 1 is connected with a shell cover 2 for covering the shell 1 to prevent all parts in the shell 1 from falling off. The shell cover 2 is provided with an output hole 3 connected with an output device, the shell 1 is provided with a power supply end 4 connected with a driving device, and the shell 1 is further provided with a plurality of mounting parts 5 for mounting the whole actuator.

The driving device is a primary transmission pair in the whole transmission system and comprises a driving motor 6 and a worm 7, the driving motor 6 is connected with the power supply end 4, the worm 7 is sleeved on a driving shaft of the driving motor 6, and the driving shaft drives the worm 7 to rotate synchronously.

The secondary transmission device is a secondary transmission pair in the whole transmission system and comprises a T-shaped transmission gear, the transmission gear comprises an upper tooth part 8 and a lower tooth part 9, the outer circumferential surface of the upper tooth part 8 is provided with straight teeth, the upper tooth part 8 is meshed with the worm 7, the outer circumferential surface of the lower tooth part 9 is provided with helical teeth, and the lower tooth part 9 is meshed with the clutch device.

The clutch device is a three-level transmission pair in the whole transmission system and comprises a large clutch gear 10, a clutch piece, a clutch shaft 15 and an anti-falling piece 18, helical teeth are arranged on the outer circumferential surface of the large clutch gear 10, and the large clutch gear 10 is meshed and connected with the lower tooth part 9 of the transmission gear.

The clutch large gear 10 is externally sleeved on a clutch shaft 15, the clutch large gear 10 is provided with a groove cavity, an elastic part 14 and a lower clutch plate 13 are sequentially arranged in the groove cavity along the axial direction, the elastic part 14 is arranged between the inner bottom of the groove cavity and the lower clutch plate 13, the lower clutch plate 13 is connected with the clutch large gear 10 and synchronously rotates with the clutch large gear 10, the lower clutch plate 13 can movably act on the elastic part 14 along the axial direction, one end of the clutch part, far away from the clutch large gear 10, is provided with a clutch small gear 11, the outer circumferential surface of the clutch small gear 11 is provided with straight teeth, the clutch part is of an integrated structure, one end of the clutch part, close to the clutch large gear 10, is provided with an upper clutch plate 12, the upper clutch plate 12 is arranged in the groove cavity and is meshed with the lower clutch plate 13, the clutch small gear 11 is externally sleeved on the clutch shaft 15, an anti-off part 18 is detachably arranged between the clutch large gear 10 and the clutch shaft 15, and the anti-off part 18 is used for limiting the downward movement of the clutch large gear 10 along the axial direction. The axial direction is an axial direction of the clutch shaft 15.

A raised connecting part 16 is arranged in the middle of a groove cavity of the large clutch gear 10, the lower clutch plate 13 is provided with a connecting hole 17, the lower clutch plate 13 is sleeved on the connecting part 16 through the connecting hole 17, the lower clutch plate 13 is in axial sliding fit with the connecting part 16, and the lower clutch plate 13 is radially clamped with the connecting part 16; the connecting part 16 is in concave-convex connection with the lower clutch plate 13; the inner circumferential surface of the connecting hole 17 is provided with a concave structure, and the outer circumferential surface of the connecting part 16 is provided with a convex structure matched with the concave structure; the concave-convex connection of the connecting part 16 and the lower clutch plate 13 means that the concave structure is connected with the convex structure; the connecting part 16 is provided with a shaft hole, and the clutch gearwheel 10 is sleeved on the clutch shaft 15 through the shaft hole; the clutch shaft 15 is provided with a clamp spring groove 19 at the end part close to the clutch gearwheel 10, the anti-release piece 18 is of a sheet structure and is sleeved on the clamp spring groove 19, and the clutch gearwheel 10 abuts the anti-release piece 18 on the shaft shoulder of the clamp spring groove 19. The anti-falling part 18 adopts a snap spring, and the elastic part adopts a spring.

The output device is a four-stage transmission pair in the whole transmission system and comprises an output gear 20, the output gear 20 is provided with an output shaft 21, the outer circumferential surface of the output gear 20 is provided with straight teeth, the output gear 20 is in meshed connection with the clutch pinion 11, the output shaft 21 is sleeved on an output hole 3 in the shell cover 2, a gasket 23 is arranged between the output hole 3 and the output shaft 21, and the end part of the output shaft 21 is provided with a mounting hole 22 used for connecting external accessories.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. A clutch device, characterized in that: including separation and reunion gear wheel (10), clutch spare, clutch shaft (15) and anticreep piece (18), separation and reunion gear wheel (10) overcoat is on clutch shaft (15), separation and reunion gear wheel (10) have the vallecular cavity, be equipped with elastic component (14), lower clutch disc (13) in proper order along the axial in this vallecular cavity, elastic component (14) are located the vallecular cavity inner bottom with under between clutch disc (13), clutch disc (13) down with separation and reunion gear wheel (10) connect and with separation and reunion gear wheel (10) synchronous revolution, clutch disc (13) can follow axial activity and act on down elastic component (14), the clutch spare is kept away from the one end of separation and reunion gear wheel (10) has separation and reunion pinion (11), the clutch spare is close to the one end of separation and reunion gear wheel (10) has clutch disc (12), go up clutch disc (12) locate in the vallecular cavity and with clutch disc (13) mesh down, separation and reunion gear wheel (11) overcoat in clutch shaft (15), anticreep clutch disc (18) limit separation and reunion shaft (10) down.

2. A clutch device according to claim 1, characterised in that: the groove cavity of separation and reunion gear wheel (10) position placed in the middle is equipped with bellied connecting portion (16), clutch plate (13) have connecting hole (17) down, clutch plate (13) are in through connecting hole (17) overcoat down on connecting portion (16), clutch plate (13) down with connecting portion (16) axial sliding fit, clutch plate (13) down with connecting portion (16) radial joint.

3. A clutch device according to claim 2, characterized in that: the connecting part (16) is in concave-convex connection with the lower clutch plate (13).

4. A clutch device according to claim 3, characterised in that: the inner circumferential surface of the connecting hole (17) is provided with a concave structure, and the outer circumferential surface of the connecting part (16) is provided with a convex structure matched with the concave structure; the concave-convex connection of the connecting part (16) and the lower clutch plate (13) refers to the connection of the concave structure and the convex structure.

5. A clutch device according to claim 2, characterized in that: the connecting portion (16) is provided with a shaft hole, and the clutch gear wheel (10) is sleeved on the clutch shaft (15) through the shaft hole.

6. A clutch device according to claim 1, characterized in that: clutch shaft (15) are gone up and are close to separation and reunion gear wheel (10) tip position is equipped with jump ring groove (19), anticreep piece (18) are sheet structure and overcoat and are in on jump ring groove (19), separation and reunion gear wheel (10) will anticreep piece (18) butt is in on the shaft shoulder of jump ring groove (19).

7. A clutch device according to claim 1, characterised in that: the outer circumferential surface of the clutch gearwheel (10) is provided with helical teeth.

8. A clutch device according to claim 1, characterised in that: the outer circumferential surface of the clutch pinion (11) is provided with straight teeth.

9. A clutch device according to claim 1, characterised in that: the clutch piece is of an integrated structure.

10. Actuator with clutch device, comprising a housing (1), characterized in that: a driving device, a secondary transmission device, an output device and the clutch device according to any one of claims 1 to 9 are arranged in the shell (1), and the driving device, the secondary transmission device, the clutch device and the output device are in transmission connection in sequence.