CN113294056A - Clutch assembly and actuator with same for automobile door - Google Patents
Clutch assembly and actuator with same for automobile door Download PDFInfo
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- CN113294056A CN113294056A CN202110675558.XA CN202110675558A CN113294056A CN 113294056 A CN113294056 A CN 113294056A CN 202110675558 A CN202110675558 A CN 202110675558A CN 113294056 A CN113294056 A CN 113294056A
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- clutch
- piece
- movable member
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- 230000007246 mechanism Effects 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
- E05F15/619—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using flexible or rigid rack-and-pinion arrangements
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
- E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
- E05C17/12—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod
- E05C17/20—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod sliding through a guide
- E05C17/22—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod sliding through a guide with braking, clamping or securing means in the guide
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
- E05F5/08—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with springs
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/531—Doors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention relates to a clutch assembly and an actuator for an automobile door with the same. A clutch assembly comprises a first moving part, a second moving part and a clutch part, wherein the clutch part is located in a linkage space between the first moving part and the second moving part, a linkage groove used for being matched with the clutch part is formed in the side wall of the second moving part, and a contact surface used for being in contact with the clutch part is formed in the side wall of the first moving part. The invention has the advantages that the noise generated by a speed reducing motor and even the whole automobile door actuator can be avoided when the door is manually closed, the use stability is higher, the door is more smoothly closed, and the use effect is better. The invention also has the advantages of applying resistance to the manual door closing of the vehicle door, improving the hand feeling during the manual door closing, avoiding the door closing of the vehicle door under the influence of self gravity and having wider application range.
Description
Technical Field
The invention relates to a clutch assembly and an actuator for an automobile door with the same.
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 of the proposal adopted by the Chinese patent with the application number of 202110132666.2 realizes the opening of the vehicle door, and comprises a movable arm and a speed reducing motor used as a driving mechanism, wherein the output end of the speed 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 invention aims to provide the advantages of reducing noise when the automobile door is manually closed, along with higher use stability and better use effect.
In order to achieve the purpose, the invention discloses a clutch assembly, which comprises a first moving part, a second moving part and a clutch part, wherein the clutch part is positioned in a linkage space between the first moving part and the second moving part, the side wall of the second moving part is provided with a linkage groove matched with the clutch part, the side wall of the first moving part is provided with a contact surface contacted with the clutch part, when the first moving part positively transfers, the side wall of the clutch part is contacted with the contact surface, and the clutch part is pushed by the first moving part to enter the linkage groove and is linked with the second moving part; when the second movable piece rotates reversely relative to the first movable piece, the clutch piece retreats from the linkage groove, and linkage between the first movable piece and the second movable piece is released.
When the automobile door actuator with the assembly is used, the speed reduction motor is started, the first moving part rotates, the clutch piece moves to a position, close to the second moving part, of the first moving part along the contact surface along with the rotation of the first moving part, part or all of the clutch piece moves into the linkage groove, the contact surface of 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 finally the opening of an automobile door is 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. Wherein, the direction that can drive the door to open with first moving part rotation is the positive direction of passing.
Preferably, the cross section of the second movable part is annular and is sleeved outside the first movable part, the circumferential inner wall of the second movable part is provided with the linkage groove communicated with the linkage space, and the contact surface gradually deviates from the radial direction of the first movable part from outside to inside.
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 side surface of the first movable part is provided with a contact surface inclined to the radial direction, 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, a positioning part is arranged on the axial side of the clutch part, the positioning part and the clutch part are magnetically attracted, and the first movable part and the second movable part are made of nonmagnetic materials.
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, a guide groove is formed in the end face of the positioning piece, the clutch piece moves along the guide groove under the action of the first moving piece or the second moving piece, and the end portion of the clutch piece is always located in the guide groove.
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 of an open structure; the cross section of the clutch piece is circular, and the linkage groove is arranged in an arc-shaped groove; the second movable part is provided with at least two linkage grooves, the linkage grooves are uniformly arranged on the second movable part at intervals in an annular shape, and at least two clutch pieces are arranged in the linkage space; the first movable part comprises a connecting part for receiving torque, a contact part extending towards the circumferential inner wall side of the second movable part is formed at the end part of the linkage part, the end part of the contact part is close to the circumferential inner wall of the second movable part, the side surface of the contact part is provided with the contact surface, the contact part is arranged in a symmetrical structure taking the radial plane of the connecting part as a central symmetrical plane, and the two opposite sides of the contact part are respectively provided with the contact surface so as to enable the contact part to be 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.
The linkage groove is in an open structure, so that the clutch piece can conveniently enter the linkage groove or exit from the linkage 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. And a fillet transition can be arranged between the groove wall of the linkage groove and the circumferential inner wall of the second movable piece so as to facilitate the clutch piece to enter the linkage groove or withdraw from the linkage groove.
One clutch piece can correspond to at least one linkage groove, so that the output shaft of the speed reducing motor linked with the first movable piece can rotate by a smaller angle to output torque when the automobile door actuator is normally used.
Wherein, the coupling part is used for receiving the output torque of the single 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 contact part is in a symmetrical structure, and the two sides of the contact part are provided with contact surfaces, so that the automobile door actuator with the assembly can be used for electrically opening and closing the door. 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 surface and is in contact connection with the clutch piece, the positioning part is sleeved outside the first moving piece, and the second moving piece is sleeved outside the positioning part; the positioning part is provided with a first limiting bulge, the second moving part is provided with a second limiting bulge, and the first limiting bulge is positioned between the contact part and the second limiting bulge; the locating element is fixed with the set 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 with the retaining ring cooperation, the retaining ring is fixed in annular groove department.
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. 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 invention in use is realized.
The invention also discloses an automobile door actuator with the clutch assembly, which comprises a movable arm linked with an automobile door, a driving mechanism used for applying moment to the movable arm and a resistance assembly used for increasing resistance when the automobile door is closed, wherein the driving mechanism comprises a motor, the first movable part is used for receiving the moment generated by the driving mechanism, the second movable part is linked with the movable arm through a driving shaft, the driving shaft autorotates under the action of the first movable part and drives the movable arm to move, the resistance assembly comprises an elastic piece and a linkage piece, the linkage piece is used for coaxially linking with the driving shaft, and the elastic piece provides resistance when the linkage piece rotates.
The resistance component is arranged in the automobile door actuator to increase resistance for manual closing of the automobile door so as to balance the weight of the automobile door, improve hand feeling when the automobile door is manually closed, and enable the automobile door to be manually moved to any place.
Preferably, a second shell is arranged outside the resistance assembly, the driving shaft extends into the second shell, a fixed piece is in threaded fit with the second shell, and the elastic piece is limited between the fixed piece and the linkage piece; the linkage piece is sleeved outside the driving shaft, and the axis of the elastic piece is parallel to or coaxial with the driving shaft; a friction plate is arranged on one side, away from the elastic part, of the linkage part, the linkage part applies pressure to the friction plate under the action of the elastic part, and the friction plate is limited between the linkage part and the second shell or other fixed parts; the linkage piece is provided with a blocking part extending between the friction plate and the driving shaft.
The elastic piece is compressed through the rotation of the fixing piece, the elastic force can be adjusted according to the automobile doors with different weights, and therefore the resistance can be adjusted, and the application range of the automobile door is wider. The elastic piece, the linkage piece and the driving shaft are coaxially arranged, so that the resistance borne by the driving shaft is more stable and gentle, and the phenomenon that the door is manually closed is prevented from being damped. The friction plate is arranged to further improve the resistance to be overcome when the driving shaft rotates, namely the movable arm moves. The blocking part is used for avoiding the contact between the friction plate and the driving shaft and increasing the contact area between the linkage part and the friction plate.
Preferably, a thrust bearing is arranged between the elastic part and the linkage part, and the thrust bearing is sleeved outside the driving shaft. The arrangement is such that the resilient member does not rotate. The elastic part is not directly contacted with the linkage part, but is contacted with the linkage part through the thrust bearing, when the linkage part rotates, the elastic part does not generate distortion deformation, so that the service life of the invention is ensured, the effective stress of the linkage part is ensured, and stable mechanical static friction force resistance can be applied to the driving shaft and the movable arm, so that the use stability of the invention is higher.
Preferably, a third movable part and a fourth movable part are arranged between the second movable part and the driving shaft, the second movable part is directly linked with the third movable part, the third movable part and the fourth movable part are mutually sleeved, an annular buffer part capable of elastically deforming is arranged between the third movable part and the fourth movable part, matching grooves arranged at annular intervals are formed in the circumferential inner wall and the circumferential outer wall of the buffer part, and matching protrusions extending into the matching grooves are formed in the circumferential side wall of the third movable part and the circumferential side wall of the fourth movable part; and a positioning groove and a positioning convex part extending into the positioning groove which are matched with each other are arranged between the middle part of the first moving part and the middle part of the third moving part.
By providing a buffer member which is elastically deformable and which may be made of rubber or the like, the noise generated by the drive portion when the door is manually closed can be further reduced. The positioning groove and the positioning convex part are arranged, so that the positioning and fixing among the first moving part, the second moving part and the third moving part are more stable; wherein, a copper sleeve or a bearing can be arranged between the positioning convex part and the positioning groove.
The invention has the advantages that the noise generated by a speed reducing motor and even the whole automobile door actuator can be avoided when the door is manually closed, the use stability is higher, the door is more smoothly closed, and the use effect is better. The invention also has the advantages of applying resistance to the manual door closing of the vehicle door, improving the hand feeling during the manual door closing, avoiding the door closing of the vehicle door under the influence of self gravity and having wider application range
Drawings
Fig. 1 is a schematic structural diagram of a first movable member, a second movable member and a clutch member of a clutch assembly according to embodiment 1;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic structural view of the first movable member according to embodiment 1;
FIG. 4 is a schematic structural view of a second movable member according to embodiment 1;
FIG. 5 is a schematic structural view of an automobile door actuator according to embodiment 2;
FIG. 6 is a schematic view showing a structure of a movable arm according to embodiment 2;
fig. 7 is a schematic structural view illustrating a second housing and a door fixing seat in the embodiment 2 when the second housing is fixed to the door fixing seat;
FIG. 8 is a cross-sectional view of the resistance assembly of example 2;
FIG. 9 is a schematic view showing a friction plate according to embodiment 2;
FIG. 10 is a schematic structural view of a link member of embodiment 2;
FIG. 11 is a schematic structural view of a clutch assembly according to embodiment 2;
fig. 12 is a cross-sectional view of the first and second moveable members and the clutch member of embodiment 2 in engagement.
Detailed Description
The invention is further described below with reference to the figures and specific embodiments.
Example 1
As shown in fig. 1 to 4, the present invention discloses a clutch assembly, which includes a first movable member 1 for receiving an output torque of a speed reduction motor 9, a second movable member 2 for transmitting the torque to a vehicle door, and a clutch member 3 for transmitting the torque between the first movable member 1 and the second movable member 2, wherein a linkage space 20 is provided between the first movable member 1 and the second movable member 2, the 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, a side wall of the contact portion 11 is provided with a contact surface 12 for contacting with the clutch member 3, and when the first movable member 1 is positively transmitted, the clutch member is pushed by a first push to enter the linkage groove 21 and is linked with the second movable member; when the second movable member 2 rotates reversely, the clutch member 3 is withdrawn from the linking groove 21, and the linkage between the first movable member and the second movable member is released.
The transversal personally submitting annular setting of second moving part 2, outside the second moving part 2 cover was established to first moving part 1, the second moving part 2 circumference inner wall on constitute have with linkage space 20 intercommunication linkage groove 21, second moving part 2 are provided with six linkage grooves 21, six linkage grooves 21 are the even interval setting of annular on second moving part 2, are equipped with two separation and reunion pieces 3 in the linkage space 20. Wherein, the cross section of the clutch piece 3 is circular, the clutch piece 3 is in a cylindrical structure, and the linkage groove 21 is arranged in an arc groove.
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 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. Wherein, the positioning piece 4 is a metal bearing.
The positioning member 4 includes a positioning portion 41 located on an axial side of the contact portion 11 and configured to contact an end surface of the clutch member 3, the positioning portion 41 is annular and is sleeved outside the first movable member 1, the second movable member 2 is sleeved outside the positioning portion 41, the positioning portion 41 is configured with a first limiting protrusion 42, the second movable member 2 is configured with a second limiting protrusion 23, and the first limiting protrusion 42 is located between the contact portion 11 and the second limiting protrusion 23.
The clutch assembly of this embodiment is equipped with first casing 8 outward, and first casing 8 is fixed with gear motor's casing, and first casing 8 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 41 is formed with the annular groove, and positioning element 4 keeps away from the one end of location portion 41 and passes behind the through-hole with retaining ring 43 cooperation, and retaining ring 43 is fixed in annular groove department. Wherein the second movable member 2 is not in contact with the first housing 8.
Example 2
As shown in fig. 5 and 10, the invention also discloses an automobile door actuator with the clutch assembly in the embodiment 1, which comprises a movable arm 5 linked with the door, a driving mechanism 6 for applying torque to the movable arm 5, and a resistance assembly 7 for increasing resistance when the door is closed. The driving mechanism 6 comprises a speed reducing motor and the clutch assembly, an output shaft of the speed reducing motor is coaxially linked with the first movable member 1, and the clutch assembly is also provided with a driving shaft 19 used for linking the movable arm 5. One end of the movable arm 5 is an outer end and is used for being fixed with the vehicle body fixing seat 50, and the other end of the movable arm 5 is an inner end and extends into the vehicle door. The driving mechanism is fixed with the vehicle door through a vehicle door fixing seat 60, the vehicle door fixing seat 60 is provided with a through groove 61 which penetrates through the movable arm 5, a gear rack structure which is matched with the movable arm 5 is arranged between the movable arm 5 and the driving shaft 19, and the driving shaft 19 rotates to drive the movable arm 1 to move along the length direction of the driving shaft and drive the vehicle door to be opened and closed.
The movable arm 5 comprises a section 51 and a section 52 from the outer end to the inner end along the length direction, the section 51 and the section 52 are both arranged in an arc shape, the arc opening formed by the section 51 faces the vehicle body, and the arc opening formed by the section 52 faces the outer side of the vehicle body. The inner of digging arm 5 is equipped with stopper 53, and stopper 53 is located logical outside of groove all the time, and stopper 53 is fixed through fastener and digging arm 5 inner, and is equipped with the spacing groove of mutually supporting and stretches into spacing protruding 54 in the spacing groove between stopper 53 and digging arm 1 lateral wall. Wherein, the movable arm 5 and the stopper 53 are both provided with a threaded hole 55 for fitting a bolt as a fastener.
The resistance assembly 7 comprises a second housing 71, an elastic member 72 and a linkage member 73 are arranged in the second housing 71, the linkage member 73 is used for coaxially linking with the driving shaft 19, the elastic member 72 provides resistance for the linkage member 73 during rotation, the driving shaft 19 penetrates through the vehicle door fixing seat 60 and then extends into the second housing 71, the linkage member 73 is sleeved outside the driving shaft 19, and the axis of the elastic member 72 is parallel to or coaxial with the driving shaft 19. The second housing 71 is screw-fitted with a fixing member 74, and the elastic member 72 is confined between the fixing member 74 and the interlocking member 73.
A friction plate 75 is arranged on one side of the linkage piece 73 far away from the elastic piece 72, the linkage piece 73 applies pressure to the friction plate 75 under the action of the elastic piece 72, the friction plate 75 is sleeved outside the driving shaft 19, the friction plate 75 is limited between an inner annular ring formed by the linkage piece 73 and the lower end of the second shell 71, and the middle part of the linkage piece 73 is provided with an annular blocking part 76 extending to the position between the friction plate 75 and the driving shaft 19. Wherein, a thrust bearing 77 is arranged between the elastic member 72 and the linkage member 73, and the thrust bearing 77 is sleeved outside the driving shaft 19. Among them, a gasket 78 is provided between the friction plate 75 and the inner collar, and an oil seal 79 is provided between the drive shaft 19 and the inner collar.
As shown in fig. 11, a first linkage gear 81 fixed on the driving shaft 19, a second linkage gear 82 engaged with the first linkage gear 81, and a linkage shaft 83 coaxially linked with the second linkage gear 82 are further disposed between the second movable member 2 and the driving shaft 19 of the clutch assembly of this embodiment, one end of the linkage shaft 83 far away from the second linkage gear 82 is fixed to a fourth movable member 84, and a third movable member 85 and a buffer member 86 are disposed between the fourth movable member 84 and the second movable member 2. The second movable member 2 directly links with the third movable member 85, the third movable member 85 and the fourth movable member 84 are sleeved with each other, and a buffer member 86 made of rubber and having an annular shape is located between the third movable member 85 and the fourth movable member 84. The buffer 86 is formed with fitting grooves on the circumferential inner wall and the circumferential outer wall at annular intervals, and the third movable member 85 and the fourth movable member 84 have fitting protrusions 87 extending into the fitting grooves. The second movable piece 3 and the third movable piece 85 can be fixedly linked in various modes, and the third movable piece 85 is also used for closing the linkage space 20, so that the axial height of the linkage space 20 is slightly larger than the height of the clutch piece 3, and the clutch piece cannot tip over even if the clutch piece 3 inclines.
As shown in fig. 1, fig. 2, fig. 3 and fig. 12, a positioning groove 15 and a positioning protrusion 88 extending into the positioning groove 15 are disposed between the middle portion 1 of the first movable member and the middle portion 85 of the third movable member, a copper sleeve 89 is disposed in the positioning groove 15, and an end portion of the positioning protrusion 88 is slidably fitted in the copper sleeve 89.
The invention has the advantages that the noise generated by a speed reducing motor and even the whole automobile door actuator can be avoided when the door is manually closed, the use stability is higher, the door is more smoothly closed, and the use effect is better. The invention also has the advantages of applying resistance to the manual door closing of the vehicle door, improving the hand feeling during the manual door closing, avoiding the door closing of the vehicle door under the influence of self gravity and having wider application range.
Claims (10)
1. A clutch assembly is characterized by comprising a first moving part, a second moving part and a clutch piece, wherein the clutch piece is positioned in a linkage space between the first moving part and the second moving part, a linkage groove used for being matched with the clutch piece is formed in the side wall of the second moving part, a contact surface used for being contacted with the clutch piece is formed in the side wall of the first moving part, when the first moving part positively transfers, the side wall of the clutch piece is contacted with the contact surface, and the clutch piece enters the linkage groove under the pushing of the first moving part and is linked with the second moving part; when the second movable piece rotates reversely relative to the first movable piece, the clutch piece retreats from the linkage groove, and linkage between the first movable piece and the second movable piece is released.
2. The clutch assembly according to claim 1, wherein the second movable member has an annular cross-section and is sleeved outside the first movable member, the inner circumferential wall of the second movable member is formed with the linkage groove communicating with the linkage space, and the contact surface gradually deviates from the radial direction of the first movable member from outside to inside.
3. A clutch assembly according to claim 1, wherein the clutch member is provided with a positioning member on an axial side thereof, the positioning member is magnetically attracted to the clutch member, and the first movable member and the second movable member are made of a non-magnetic material.
4. The clutch assembly of claim 1, wherein a guide slot is formed on an end surface of the positioning member, the clutch member moves along the guide slot under the action of the first movable member or the second movable member, and an end portion of the clutch member is always located in the guide slot.
5. A clutch assembly according to claim 1 or 2, characterised in that the linkage slot is of open configuration; the cross section of the clutch piece is circular, and the linkage groove is arranged in an arc-shaped groove;
the second movable part is provided with at least two linkage grooves, the linkage grooves are uniformly arranged on the second movable part at intervals in an annular shape, and at least two clutch pieces are arranged in the linkage space;
the first movable part comprises a connecting part for receiving torque, a contact part extending towards the circumferential inner wall side of the second movable part is formed at the end part of the linkage part, the end part of the contact part is close to the circumferential inner wall of the second movable part, the side surface of the contact part is provided with the contact surface, the contact part is arranged in a symmetrical structure taking the radial plane of the connecting part as a central symmetrical plane, and the two opposite sides of the contact part are respectively provided with the contact surface so as to enable the contact part to be 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.
6. The clutch assembly according to claim 3 or 4, wherein the positioning member includes a positioning portion located on an axial side of the contact surface and configured to be in contact with the clutch member, the positioning portion is disposed around the first movable member, and the second movable member is disposed around the positioning portion; the positioning part is provided with a first limiting bulge, the second moving part is provided with a second limiting bulge, and the first limiting bulge is positioned between the contact part and the second limiting bulge;
the locating element is fixed with first casing, first 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 with the retaining ring cooperation, the retaining ring is fixed in annular groove department.
7. An automobile door actuator with the clutch assembly of any one of claims 1 to 6, characterized by comprising a movable arm linked with the door, a driving mechanism for applying torque to the movable arm, and a resistance assembly for increasing resistance when the door is closed, wherein the driving mechanism comprises a motor, the first movable member is used for receiving the torque generated by the driving mechanism, the second movable member is linked with the movable arm through a driving shaft, the driving shaft rotates and drives the movable arm to move under the action of the first movable member, the resistance assembly comprises an elastic member and a linkage member, the linkage member is used for coaxially linking with the driving shaft, and the elastic member provides resistance when the linkage member rotates.
8. The vehicle door actuator of claim 7, wherein a second housing is disposed outside the resistance assembly, the drive shaft extends into the second housing, a fixed member is threadedly engaged with the second housing, and the elastic member is confined between the fixed member and the linkage member;
the linkage piece is sleeved outside the driving shaft, and the axis of the elastic piece is parallel to or coaxial with the driving shaft;
a friction plate is arranged on one side, away from the elastic part, of the linkage part, the linkage part applies pressure to the friction plate under the action of the elastic part, and the friction plate is limited between the linkage part and the second shell or other fixed parts; the linkage piece is provided with a blocking part extending between the friction plate and the driving shaft.
9. The vehicle door actuator of claim 7, wherein a thrust bearing is disposed between the resilient member and the linkage member, the thrust bearing being disposed about the drive shaft.
10. The vehicle door actuator according to claim 7, wherein a third movable member and a fourth movable member are provided between the second movable member and the driving shaft, the second movable member is directly linked with the third movable member, the third movable member and the fourth movable member are sleeved with each other, an annular and elastically deformable buffer member is provided between the third movable member and the fourth movable member, fitting grooves are formed on circumferential inner walls and circumferential outer walls of the buffer member at annular intervals, and fitting protrusions extending into the fitting grooves are provided on circumferential side walls of the third movable member and the fourth movable member;
and a positioning groove and a positioning convex part extending into the positioning groove which are matched with each other are arranged between the middle part of the first moving part and the middle part of the third moving part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110675558.XA CN113294056B (en) | 2021-06-17 | 2021-06-17 | Clutch assembly and actuator with same for automobile door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110675558.XA CN113294056B (en) | 2021-06-17 | 2021-06-17 | Clutch assembly and actuator with same for automobile door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113294056A true CN113294056A (en) | 2021-08-24 |
| CN113294056B CN113294056B (en) | 2022-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110675558.XA Active CN113294056B (en) | 2021-06-17 | 2021-06-17 | Clutch assembly and actuator with same for automobile door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113294056B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116084785A (en) * | 2022-09-07 | 2023-05-09 | 浙江吉利控股集团有限公司 | Door limiter, door and vehicle |
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| CN110617278A (en) * | 2019-10-22 | 2019-12-27 | 重庆市巴南区秋硕机械厂 | Clutch device |
| CN112127745A (en) * | 2019-06-24 | 2020-12-25 | 青岛海尔电冰箱有限公司 | Door body driving device and refrigerator |
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|---|---|---|---|---|
| JP2002195310A (en) * | 2000-12-27 | 2002-07-10 | Kayaba Ind Co Ltd | Wedge roller type two-way rotation clutch and its application device |
| JP2003106023A (en) * | 2001-10-01 | 2003-04-09 | Denso Corp | Door lock drive apparatus |
| DE102015211503A1 (en) * | 2015-06-22 | 2016-12-22 | Geze Gmbh | door drive |
| CN106930645A (en) * | 2015-10-07 | 2017-07-07 | 三井金属爱科特株式会社 | Device for opening/closing door |
| CN112127745A (en) * | 2019-06-24 | 2020-12-25 | 青岛海尔电冰箱有限公司 | Door body driving device and refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116084785A (en) * | 2022-09-07 | 2023-05-09 | 浙江吉利控股集团有限公司 | Door limiter, door and vehicle |
| CN116084785B (en) * | 2022-09-07 | 2024-04-30 | 浙江吉利控股集团有限公司 | Door limiter, door and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113294056B (en) | 2022-05-03 |
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