CN216867350U

CN216867350U - Clutch assembly for automobile door actuator

Info

Publication number: CN216867350U
Application number: CN202121350047.2U
Authority: CN
Inventors: 朱炎钊; 陈晓明; 胡宏元
Original assignee: Zhejiang Electric Technology Co ltd
Current assignee: Zhejiang Electric Technology Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-07-01
Anticipated expiration: 2031-06-17

Abstract

The utility model relates to an automobile door actuator, in particular to a clutch assembly for the automobile door actuator. A clutch component for an automobile door actuator is characterized by comprising a first moving part and a second moving part, wherein a clutch piece is arranged between the first moving part and the second moving part, the second moving part is provided with a linkage groove, the first moving part is provided with a contact part used for contacting with the clutch piece, when the first moving part rotates, part or all of the clutch piece is positioned in the linkage groove, and the first moving part pushes the clutch piece to move so that the contact part is abutted against the clutch piece and drives the second moving part to synchronously rotate; when the second movable part rotates, the clutch piece retreats from the linkage groove, and the first movable part does not rotate. The utility model has the advantages that the noise of the speed reducing motor and even the whole automobile door actuator can be avoided when the door is manually closed, the use stability is higher, and the use effect is better.

Description

Clutch assembly for automobile door actuator

Technical Field

The utility model relates to an automobile door actuator, in particular to a clutch assembly for the automobile door actuator.

Background

In order to realize the automatic opening and closing of the automobile door, a speed reducing motor is arranged in the automobile door, and the automobile door is opened through the action of the speed reducing motor. The proposal adopted by the proposal disclosed by Chinese patent with the application number of 202110132666.2 realizes the opening of the vehicle door, and comprises a movable arm and a reducing motor used as a driving mechanism, wherein the output end of the reducing motor is provided with an output gear which is meshed with the movable arm. In order to ensure that the vehicle door can be manually opened, an electromagnetic clutch is usually arranged between a speed reduction motor and an output gear or between a driving motor and a speed reduction box, but magnetic pulling force is always generated between the electromagnetic clutches, the gear of the driving mechanism still can rotate to a certain extent, the cogging torque of the driving mechanism can enable a user to feel jerking, certain noise is generated during the rotation of the gear, and the use effect is poor when the user closes the door.

Disclosure of Invention

The utility model aims to provide a clutch component for an automobile door actuator, which can realize mechanical clutch, has higher use stability and better use effect.

In order to achieve the purpose, the utility model adopts the following technical scheme: a clutch component for an automobile door actuator comprises a first moving part and a second moving part, wherein the first moving part is used for receiving output torque of a driving motor, the second moving part is used for transmitting torque to an automobile door, a linkage space is formed between the first moving part and the second moving part, a clutch piece is movably arranged in the linkage space, the second moving part is provided with a linkage groove matched with the clutch piece, the first moving part is provided with a contact part used for contacting with the clutch piece, when the first moving part rotates, part or all of the clutch piece is positioned in the linkage groove, and the first moving part pushes the clutch piece to move so that the contact part is abutted against the clutch piece and drives the second moving part to synchronously rotate; when the second movable piece rotates, the clutch piece retreats from the linkage groove, and the first movable piece does not rotate.

When the automobile door actuator with the assembly is used, the motor part of the speed reducing motor is started, the first moving part rotates, the clutch piece moves to the position, close to the second moving part, of the first moving part along with the rotation of the first moving part, the clutch piece partially or completely moves into the linkage groove, the first moving part abuts against the clutch piece, and the clutch piece is linked with the second moving part, so that the linkage of the first moving part and the second moving part is realized, and the opening of an automobile door is finally realized. When the manual of door was closed when needs were realized, the manual door that promotes removed, in order to realize the rotation with the second moving part of door linkage, along with the rotation of second moving part, the clutch piece is withdrawed from the linkage groove, thereby realize the linkage disconnection between first moving part and the second moving part, need overcome gear motor's gear revolve's resistance when avoiding the door to close, can not influence the transmission between whole gear motor's gear, can avoid taking place to rotate or beat the tooth between the gear motor gear, with the noise that sends when reducing manual door closing gear motor even whole car door executor, and can not feel the feeling of seting up when closing the door, it is more smooth to close the door, excellent in use effect. The clutch assembly is of a pure mechanical structure, does not need a magnetic clutch, is lower in production cost and convenient for subsequent maintenance, and preferably, the second moving part is sleeved outside the first moving part, the circumferential inner wall of the second moving part is provided with a linkage groove communicated with the linkage space, the side surface of the first moving part is provided with a contact surface for moving and guiding the clutch piece, and when the first moving part rotates, the clutch piece enters the linkage groove and abuts against the contact surface; when the second movable piece rotates, the clutch piece is separated from the linkage groove. The second movable piece sleeve and the first movable piece sleeve are sleeved with each other, so that the assembly is more compact in structure and suitable for being installed in a vehicle door space. The contact surface is arranged on the side face of the first movable part, so that the movement guide of the clutch piece is realized, and the clutch piece is moved into the linkage groove or moved out of the linkage groove.

Preferably, the clutch piece is matched with a positioning piece, the positioning piece and the clutch piece are magnetically attracted, the first movable piece and the second movable piece are made of non-magnetic materials, and the positioning piece is fixed with the first movable piece or the second movable piece or other fixed parts. The positioning piece is used for magnetically adsorbing the clutch piece so as to prevent the clutch piece from being separated from the first movable piece and the second movable piece. Wherein, the positioning piece can be made of metal, and the clutch piece can be made of magnet. Wherein, the fixed part is a part or a shell of the existing speed reducing motor.

Preferably, the end part of the clutch piece is always matched in the guide groove, and the guide groove is formed in the first movable piece or the second movable piece. The movement track of the clutch piece is limited through the guide groove, so that the clutch piece is pushed into the linkage groove under the action of the first movable piece or pushed out of the linkage groove under the action of the second movable piece. The guide groove and the end part of the clutch piece can be set into various shapes which can prevent the clutch piece from being separated from the guide groove.

Preferably, the linkage groove is in an open structure. The arrangement is such that the clutch member can be easily moved into and out of the linkage groove.

Preferably, the cross section of the clutch part is circular, and the linkage groove is arranged in an arc-shaped groove. The clutch piece is arranged in a cylindrical shape, so that the clutch piece does not need to be worried about autorotation when moving in the linkage space, and the clutch piece can be ensured to extend into the linkage groove. The linkage groove is arranged in an arc-shaped groove, the contact area between the outer wall of the clutch piece and the wall of the linkage groove can be increased, and the first moving piece can push the second moving piece to move through the clutch piece conveniently. In order to facilitate the clutch piece to enter the linkage groove or retreat from the linkage groove, a fillet transition can be arranged between the groove wall of the linkage groove and the circumferential inner wall of the second moving piece, and the clutch piece is arranged to be in an open structure as much as possible.

Preferably, the second moving part is provided with at least two linkage grooves, the linkage grooves are arranged on the second moving part in an annular and uniform interval mode, and at least two clutch pieces are arranged in the linkage space. One clutch piece can correspond to at least one linkage groove, so that the output shaft linked with the first movable piece can rotate by a smaller angle to output torque when the automobile door actuator is normally used.

Preferably, the first movable part comprises a connecting part for receiving torque and the contact part extending towards the circumferential inner wall side of the second movable part, the contact part is close to the circumferential inner wall of the second movable part, the contact part is arranged in a symmetrical structure taking the radial plane of the connecting part as a central plane, and the two opposite sides of the contact part are provided with the contact surfaces so that the contact part is in a triangular structure; the two opposite sides of the connecting part are respectively provided with a contact part, the first moving part divides the linkage space into two space single bodies, and a clutch piece is always arranged in each space single body; the contact surface is inclined to the extending direction of the contact part, and the contact surface gradually deviates from the extending direction of the contact part from outside to inside.

Wherein, the coupling part is used for receiving the output torque of the driving motor or the whole speed reducing motor; the contact part and the coupling part can be integrally formed or can be fixedly connected together through various directions. The assembly of the utility model can be used for opening and closing the vehicle door by making the contact part have a symmetrical structure and providing contact surfaces on both sides. By arranging two clutch parts, the transmission of the torque is more uniform. The contact surface is obliquely arranged relative to the extending direction of the contact part (the radial direction of the first movable part), so that the first movable part can be contacted with the clutch piece more quickly when rotating.

Preferably, the positioning piece comprises a positioning part which is positioned on the axial side of the contact part and is used for contacting with the end face of the clutch piece, the positioning part is annular and is sleeved outside the first moving piece, and the second moving piece is sleeved outside the positioning piece; the locating portion is provided with a first limiting protrusion, the second moving part is provided with a second limiting protrusion, and the first limiting protrusion is located between the contact portion and the second limiting protrusion.

The arrangement is used for assembling and positioning the positioning piece, the first movable piece and the second movable piece. The axial side of the positioning piece is limited by the contact part of the first moving piece, and the axial side of the positioning piece is limited by the second limiting bulge of the second moving piece, so that the positioning piece is convenient to assemble and fix, and the structure of the component is more compact. The axial direction of the contact part is the extending direction of the rotation axis of the first movable piece.

Preferably, the locating element is fixed with the set casing, the set casing is fixed with gear motor's casing, the set casing is formed with the through hole that supplies the locating element to pass through, the locating element is kept away from the one end outer wall of location portion and is formed with the annular groove, the locating element is kept away from the one end of location portion and is passed the through hole after and the retaining ring cooperation, the retaining ring is fixed in annular groove department. Wherein, the positioning piece can be fixed at the through hole of the fixed shell in a tight fit or clearance fit mode. The fixing of the positioning piece is realized to further realize the fixing of the first movable piece, so that the stability of the utility model in use is realized.

The utility model has the advantages that the noise of the speed reducing motor and even the whole automobile door actuator can be avoided when the door is manually closed, the use stability is higher, and the use effect is better.

Drawings

FIG. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of a first movable member of the present invention;

FIG. 4 is a schematic view of a second movable member according to the present invention;

fig. 5 is a cross-sectional view of the stationary housing of the present invention mated with a positioning member.

Detailed Description

The utility model is further described below with reference to the figures and specific embodiments.

As shown in fig. 1 to 5, the clutch assembly for an automobile door actuator of the utility model includes a first movable member 1 for receiving an output torque of a driving motor, and a second movable member 2 for transmitting the torque to an automobile door, wherein a linkage space 20 is provided between the first movable member 1 and the second movable member 2, a clutch member 3 is movably disposed in the linkage space 20, the second movable member 2 is provided with a linkage groove 21 for cooperating with the clutch member 3, the first movable member 1 is provided with a contact portion 11 for contacting with the clutch member 3, when the first movable member 1 rotates, a part of the clutch member 3 is located in the linkage groove 21, the first movable member 1 pushes the clutch member 3 to move so that the contact portion 11 abuts against the clutch member 3 and drives the second movable member 2 to synchronously rotate; when the second movable member 2 rotates reversely, the clutch member 3 is withdrawn from the linking groove 21, and the first movable member 1 does not rotate.

The cross section of the second moving part 2 is annularly arranged, the second moving part 2 is sleeved outside the first moving part 1, the circumferential inner wall of the second moving part 2 is formed with a linkage groove 21 communicated with the linkage space, the side surface of the first moving part 1 is provided with a contact surface 12 for moving and guiding the clutch part 3, and when the first moving part rotates, the clutch part enters the linkage groove and is abutted against the contact surface 12; when the second movable member 2 rotates, the clutch member 3 is disengaged from the interlocking groove 21. Wherein, the linkage groove 21 is in an open structure. The second moving part 2 is provided with six linkage grooves 21, the six linkage grooves 21 are uniformly arranged on the second moving part 2 at intervals in an annular shape, and two clutch pieces 3 are arranged in the linkage space 20.

First moving part 1 is including the coupling part 13 that is used for receiving moment and to the extension of second moving part circumference inner wall side contact portion 11, second moving part 2 have the through-hole 22 that gives way to coupling part 13, and contact portion 11 is close to second moving part 2 circumference inner wall, and contact portion 11 is and uses the radial plane of place in coupling part 13 to set up as the symmetrical structure of central plane, and the relative both sides of contact portion 11 all have contact surface 12 so that contact portion 11 is the triangle-shaped structure. The two opposite sides of the connecting part 13 are both provided with a contact part 11, the first moving part 1 divides the linkage space into two space single bodies, and a clutch piece 3 is always arranged in each space single body. The contact surface 12 is inclined to the diameter direction of the first moving part 1, and the contact surface 12 gradually deviates from the diameter direction of the first moving part 1 from outside to inside, and the plane of the diameter direction is also a symmetrical plane of the contact portion 11 as the center.

The cross section of the clutch piece 3 is circular, the clutch piece 3 is of a cylindrical structure, and the linkage groove 21 is arranged in an arc-shaped groove.

The clutch piece 3 is matched with a positioning piece 4, the positioning piece 4 and the clutch piece 3 are magnetically attracted, the positioning piece 4 is a bearing and is made of a metal material, and the clutch piece 3 is made of a magnet. The first movable part 1 and the second movable part 2 are made of nonmagnetic materials, and can be made of wear-resistant plastics.

The positioning part 4 comprises a positioning part 41 which is positioned on the axial side of the contact part 11 and is used for contacting with the end face of the clutch part 3, the positioning part 41 is annular and is sleeved outside the first moving part 1, the second moving part 2 is sleeved outside the positioning part 4, the positioning part 41 is provided with a first limiting bulge 42, the second moving part 2 is provided with a second limiting bulge 23, and the first limiting bulge 42 is positioned between the contact part 11 and the second limiting bulge 23.

The clutch assembly of this embodiment is equipped with set casing 9 outward, and set casing 9 is fixed with gear motor's casing, and the set casing is formed with the through-hole that supplies setting element 4 to pass through, and the one end outer wall that positioning element 4 kept away from location portion is formed with annular groove 44, and the one end that positioning element 4 kept away from location portion is passed the through-hole after and is cooperated with retaining ring 43, and retaining ring 43 is fixed in annular groove 44 department. Wherein the second mobile element 2 is not in contact with the fixed shell 9.

The connection portion 13 of the first movable member 1 is a shaft-shaped structure, and one end of the connection portion 13 is provided with the contact portion 11, and the other end of the connection portion 13 can be linked with the output shaft of the reduction motor 8 by adopting various existing methods. The second moving part 2 and the third moving part 3 are linked, the third linkage part 5 is provided with a first annular part 51 and a second annular part 52, the annular part of the third moving part 5 is sleeved outside the second moving part 2, a positioning bulge and a positioning groove which are matched with each other are formed on the circumferential inner wall of the first annular part 51 of the third linkage part 5 and the circumferential outer wall of the second moving part 2, the positioning groove extends along the parallel line of the axis of the first moving part 1, and the second annular part of the third linkage part 5 is linked with an output end gear of the actuator in various existing modes.

Claims

1. A clutch component for an automobile door actuator is characterized by comprising a first moving part and a second moving part, wherein the first moving part is used for receiving the output torque of a driving motor, the second moving part is used for transmitting the torque to an automobile door, a linkage space is formed between the first moving part and the second moving part, a clutch piece is movably arranged in the linkage space, the second moving part is provided with a linkage groove matched with the clutch piece, the first moving part is provided with a contact part used for being contacted with the clutch piece, when the first moving part rotates, part or all of the clutch piece is positioned in the linkage groove, and the first moving part pushes the clutch piece to move so that the contact part is abutted to the clutch piece and drives the second moving part to synchronously rotate; when the second movable part rotates, the clutch piece retreats from the linkage groove, and the first movable part does not rotate.

2. The clutch assembly for the automobile door actuator according to claim 1, wherein the second movable member is sleeved outside the first movable member, the inner circumferential wall of the second movable member is formed with a linkage groove communicated with the linkage space, the side surface of the first movable member is provided with a contact surface for movably guiding the clutch member, and when the first movable member rotates, the clutch member enters the linkage groove and abuts against the contact surface; when the second movable piece rotates, the clutch piece is separated from the linkage groove.

3. The clutch assembly according to claim 1 or 2, wherein the clutch member is provided with a positioning member, the positioning member is magnetically attracted to the clutch member, the first movable member and the second movable member are made of a non-magnetic material, and the positioning member is fixed to the first movable member or the second movable member or other fixed portions.

4. The clutch assembly for the vehicle door actuator according to claim 1 or 2, wherein an end of the clutch member is always engaged in a guide groove, and the guide groove is provided on the first movable member or the second movable member.

5. The clutch assembly for an automotive door actuator according to claim 1 or 2, wherein the interlocking groove has an open structure.

6. The clutch assembly for the vehicle door actuator according to claim 1 or 2, wherein the clutch member has a circular cross section, and the linkage groove is formed in an arc-shaped groove.

7. The clutch assembly for the automobile door actuator according to claim 1 or 2, wherein the second movable member is provided with at least two linkage grooves, the plurality of linkage grooves are uniformly arranged on the second movable member at intervals in an annular shape, and at least two clutch members are arranged in the linkage space.

8. The clutch assembly for the vehicle door actuator according to claim 2, wherein the first movable member includes a coupling portion for receiving a torque and the contact portion extending toward the circumferential inner wall of the second movable member, the contact portion is adjacent to the circumferential inner wall of the second movable member, the contact portion is disposed in a symmetrical configuration with a radial plane of the coupling portion as a center plane, and the contact surface is provided on opposite sides of the contact portion so that the contact portion is in a triangular configuration;

the two opposite sides of the connecting part are respectively provided with a contact part, the first moving part divides the linkage space into two space single bodies, and a clutch piece is always arranged in each space single body;

the contact surface is inclined to the extending direction of the contact part, and the contact surface gradually deviates from the extending direction of the contact part from outside to inside.

9. The clutch assembly for the automobile door actuator according to claim 3, wherein the positioning member comprises a positioning portion located on an axial side of the contact portion and contacting with an end face of the clutch member, the positioning portion is annular and sleeved outside the first movable member, and the second movable member is sleeved outside the positioning member; the locating portion is provided with a first limiting protrusion, the second moving part is provided with a second limiting protrusion, and the first limiting protrusion is located between the contact portion and the second limiting protrusion.

10. The clutch assembly for the automobile door actuator according to claim 9, wherein the positioning element is fixed to a fixed housing, the fixed housing is fixed to a casing of the reduction motor, a through hole for the positioning element to pass through is formed in the fixed housing, an annular groove is formed in an outer wall of one end, away from the positioning portion, of the positioning element, one end, away from the positioning portion, of the positioning element is matched with the retainer ring after passing through the through hole, and the retainer ring is fixed to the annular groove.