CN108505863B - Door plant buffering booster unit and car - Google Patents

Door plant buffering booster unit and car Download PDF

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Publication number
CN108505863B
CN108505863B CN201810496201.3A CN201810496201A CN108505863B CN 108505863 B CN108505863 B CN 108505863B CN 201810496201 A CN201810496201 A CN 201810496201A CN 108505863 B CN108505863 B CN 108505863B
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CN
China
Prior art keywords
sliding block
transmission part
roller
elastic piece
door
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201810496201.3A
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Chinese (zh)
Other versions
CN108505863A (en
Inventor
陈勇波
黄伟
张志海
胡维
徐毓芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Dongjian Automobile Technology Co Ltd
Original Assignee
Guangdong Dongjian Automobile Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Dongjian Automobile Technology Co Ltd filed Critical Guangdong Dongjian Automobile Technology Co Ltd
Priority to CN201810496201.3A priority Critical patent/CN108505863B/en
Publication of CN108505863A publication Critical patent/CN108505863A/en
Application granted granted Critical
Publication of CN108505863B publication Critical patent/CN108505863B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/1041—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis
    • E05F1/105—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a compression spring
    • 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
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/16—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Application of doors, windows, wings or fittings thereof for vehicles characterised by the type of wing
    • E05Y2900/531—Doors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Application of doors, windows, wings or fittings thereof for vehicles characterised by the type of wing
    • E05Y2900/531—Doors
    • E05Y2900/532—Back doors or end doors

Abstract

The application discloses a door plate buffering power assisting device and an automobile, wherein the door plate buffering power assisting device comprises a main shell, an elastic piece, a sliding block and a transmission part, wherein one end of the elastic piece is used for being elastically abutted with the main shell; one side of the sliding block is used for elastically abutting against the other end of the elastic piece; the transmission part is arranged on the other side of the sliding block and is abutted against the sliding block, and the transmission part receives the resistance action of the sliding block when rotating clockwise relative to the main shell; the transmission part receives the assistance of the sliding block when rotating anticlockwise relative to the main shell. According to the application, the door plate buffering booster device is arranged on the door plate, so that the door plate is buffered in the opening and closing process, accidents caused by rapid opening and closing of the door plate are avoided, larger vibration and noise are avoided, and the labor is saved.

Description

Door plant buffering booster unit and car
Technical Field
The application relates to the field of automobile accessories, in particular to a door plate buffering power assisting device and an automobile.
Background
At present, door panels on automobiles are mostly lack of buffering power assisting devices, so that the door panels are difficult to control. For example, the tail gate plate of the pick-up tail gate has certain dead weight, and needs larger manpower when opening or closing, and the tail gate plate of the tail gate plate is opened and falls down quickly due to gravity, thus being easy to cause accidents.
The inventor of the present application has found in long-term research and development that the conventional pick-up is to add a gas spring or the like between the tailgate and the inside of the hopper as a buffer, but still requires a great effort when the tailgate is closed, which is not beneficial to daily operations. In a common vehicle type, after the lock catch of the door panel is opened, the door panel is automatically opened, and if the lock catch is opened by misoperation, the problem of safe collision exists; meanwhile, when the door plate is closed, large pushing force is needed to be applied manually, so that the door plate is buckled with a lock catch of the vehicle body, and large vibration and noise are easy to generate.
Disclosure of Invention
The application provides a door plate buffering power assisting device and an automobile, and aims to solve the technical problem that in the prior art, the door plate is not buffered or assisted in the opening or closing process, and accidents are easy to cause.
In order to solve the technical problems, the application provides a door plate buffering booster device, which comprises:
a main housing;
one end of the elastic piece is used for elastically abutting against the main shell;
the sliding block is arranged on one side of the sliding block and is elastically abutted with the other end of the elastic piece;
the transmission part is arranged on the other side of the sliding block and is in contact with the sliding block, and the transmission part receives the resistance action of the sliding block when rotating clockwise relative to the main shell; the transmission part is subjected to the assistance action of the sliding block when rotating anticlockwise relative to the main shell.
In order to solve the technical problem, the other technical scheme adopted by the application is to provide an automobile, which comprises the door plate buffering booster device and a door plate fixedly connected with the door plate buffering booster device.
According to the application, the door plate buffering booster device is arranged on the door plate, so that the door plate is buffered or boosted in the opening and closing process, accidents caused by rapid opening and closing of the door plate are avoided, larger vibration and noise are avoided, and manpower is saved.
Drawings
For a clearer description of the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic view of an embodiment of a door panel buffering booster of the present application;
FIG. 2 is an exploded view of an embodiment of the door panel buffering booster of the present application;
FIG. 3 is a cross-sectional view of an embodiment of a door panel cushion booster of the present application with the door panel closed;
FIG. 4 is a cross-sectional view of an embodiment of a door panel cushion booster of the present application during opening of the door panel;
fig. 5 is a cross-sectional view of an embodiment of a door panel buffering booster of the present application with the door panel fully opened.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, are intended to fall within the scope of the present application.
Referring to fig. 1 to 3, the door panel buffering booster of the embodiment of the present application includes a main housing 10, an elastic member 20, a slider 30, and a transmission part 40, wherein one end of the elastic member 20 is used for elastically abutting against the main housing 10; one side of the slider 30 is used for elastically abutting against the other end of the elastic member 20; the transmission part 40 is provided on the other side of the slider 30 and abuts against the slider 30, and the transmission part 40 receives a resistance force of the slider 30 when the transmission part 40 rotates clockwise with respect to the main casing 10, and receives a power assistance of the slider 30 when the transmission part 40 rotates counterclockwise with respect to the main casing 10.
In this embodiment, the door panel may be a tailgate tail door panel of a vehicle such as a pick-up, or may be a door panel of a general vehicle.
Specifically, the main casing 10 includes a bottom plate 101, side plates 102 and a cover plate 103, the side plates 102 are integrally formed on two sides of the bottom plate 101 and one end close to the elastic member 20, the cover plate 103 is covered on the side plates 102, and is fixedly connected with the side plates 102 through fixing holes and fixing members. The bottom plate 101 and the side plate 102 form a first accommodating space for accommodating the slider 30. The bottom plate 101 is provided with a first guide groove 1011, the side plate 102 is provided with a second guide groove 1021, the slide block 30 is respectively provided with a first protrusion 303 corresponding to the first guide groove 1011 and a second protrusion 304 corresponding to the second guide groove 1021, the first protrusion 303 is accommodated in the first guide groove 1011, and the second protrusion 304 is accommodated in the second guide groove 1021, so that the slide block 30 can slide in the first accommodating space along the length direction of the first guide groove 1011 and the second guide groove 1021.
In this embodiment, the door panel 50 is integrally formed at one end of the transmission portion 40, and a reinforcing plate 501 is provided for reinforcing the opposite arrangement of the door panel 50 and the transmission portion 40. In other embodiments, the door panel 50 may be fixed to one end of the transmission portion 40 by riveting or the like.
The side plate 102 further includes a guide post 105 disposed at an end of the side plate 102 near the elastic member 20, and the elastic member 20 is disposed on the guide post 105, so that the elastic member 20 extends or compresses along the moving direction of the slider 30. The sliding block 30 further includes a second accommodating space 302 disposed at an end of the sliding block 30 near the elastic member 20, where the second accommodating space 302 is disposed opposite to the first accommodating space and is used for accommodating the elastic member 20 and the guide post 105.
In this embodiment, the elastic member 20 is a spring, and may be sleeved on the guide post 105. In other embodiments, the elastic member 20 may be another elastic object such as a rubber rod, and may be directly fixed to the side plate 102 at one end without a guide post.
The end of the bottom plate 101 far away from the elastic element 20 is provided with a rotating shaft 104, the transmission part 40 is provided with a first through hole 401 corresponding to the rotating shaft 104, the rotating shaft 104 penetrates through the first through hole 401 and the gasket 1041, and the rotating shaft is rotatably arranged on the bottom plate 101, so that the transmission part 40 rotates around the rotating shaft 104 to drive the sliding block 30.
The bottom plate 101 is also provided with a first limiting piece 106 and a second limiting piece 107, the first limiting piece 106 is arranged on one side of the bottom plate 101 close to the rotating shaft 104 and is positioned between the sliding block 30 and the transmission part 40, and is used for limiting the transmission part 40 to continuously rotate anticlockwise when the door plate 50 is closed; the second limiting member 107 is located on a side of the transmission portion 40 away from the slider 30, and is used for limiting the transmission portion 40 from rotating clockwise when the door panel 50 is fully opened.
The slider 30 includes an abutment portion 301 disposed at an end of the slider 30 away from the elastic member 20, for abutting against the transmission portion 40. The abutting portion 301 includes a first roller 3011 and a second roller 3012, the first roller 3011 and the second roller 3012 are rotatably disposed on the slider 30, and a projection area of a portion of the second roller 3012 protruding from the slider 30 along a direction perpendicular to a moving direction of the slider 30 is larger than a projection area of a portion of the first roller 3011 protruding from the slider 30 along the direction perpendicular to the moving direction of the slider 30. In this embodiment, two sides of one end of the slider 30 away from the elastic member 20 are respectively provided with a corresponding through hole, the through hole is provided with a first bearing 3013 and a second bearing 3014, the first roller 3011 is sleeved on the first bearing 3013 and can rotate relative to the first bearing 3013, and the second roller 3012 is sleeved on the second bearing 3014 and can rotate relative to the second bearing 3014.
The transmission part 40 further comprises a first protruding part 402, a concave part 403 and a second protruding part 404, wherein the first protruding part 402 is arranged on one side of the transmission part 40 and abuts against the first roller 3011 when the door plate 50 is closed; the recess 403 is disposed on the same side of the transmission portion 40 as the first protrusion 402, and accommodates the second roller 3012 when the door panel 50 is closed; the second protruding portion 404 is disposed on a side of the transmission portion 40 away from the first through hole 401, and corresponds to the second roller 3012 when the door panel 50 is fully opened, and is used for abutting against the first roller 3011 and the second roller 3012 during the opening process of the door panel 50. And, the distance between the center of the first through hole 401 and the edge of the first protruding portion 402 is smaller than the distance between the center of the first through hole 401 and the edge of the second protruding portion 404, so that the slider 30 moves in a direction away from or toward the transmission portion 40 along with the rotation of the transmission portion 40.
In this embodiment, the elastic member 20 is a spring.
Specifically, referring to fig. 3 to 5, the center of gravity of the door panel 50 and the transmission part 40 are set to be at point M, the center of the rotation shaft 104 of the transmission part 40 is the rotation center O of the door panel 50, the connection line between the center of gravity M and the rotation center O of the integral structure is L1, the included angle between L1 and the vertical line (horizontal line) in the gravity direction is β, and the included angle β becomes smaller along with the opening of the door panel 50; meanwhile, the contact point between the first protruding portion 402 and the first roller 3011 is set to be N, and the connection line between the rotation center O and the contact point N is set to be L0. When the door 50 is closed, the first protruding portion 402 abuts against the first roller 3011, and the spring is in a compressed state, so as to prevent the door 50 from automatically falling down. According to the interaction of the forces, the resilience force of the spring acts on the point of contact N through the first roller 3011, and the resilience force of the spring is set as F1, and the direction of the resilience force is horizontal to the right; meanwhile, the over-rotation center O point is set, a line segment perpendicular to the direction of the force of F1 is L2 (the length of the arm of force of F1), and an included angle between L0 and L2 is set to be alpha. At this time, only a small clockwise moment M1 is needed to be given to the door panel 50, the door panel 50 starts to rotate clockwise for opening, and the clockwise moment M1 generated by the self weight of the integrated structure is slightly greater than the counterclockwise moment M2 of the spring acting on the first protruding portion 402, namely:
G*L1*Cosβ≥F1*L2＝2*k*△X* L2 (1)，
wherein G is gravity of an integrated structure, k is the elastic coefficient of the spring, and DeltaX is the compression amount of the spring.
Referring to fig. 3 and 4, when the door panel 50 is set in the closed state, the compression amount of the spring is X 0 At this time, the resilience of the spring acts on the first protrusion 402, and an initial counterclockwise moment M2 is generated to ensure that the door panel 50 is closed; meanwhile, the connecting line of the gravity center M and the rotation center O of the integrated structure is parallel to the gravity direction of the integrated structure, so that a clockwise moment cannot be generated, and the door plate 50 can be ensured not to fall down in a overturning manner by the smaller resilience force F1.
Referring to fig. 4, when the door panel 50 is opened, the first protrusion 402 moves along the first roller 3011 toward the second roller 3012, abuts against the second roller 3012, moves away from the second roller 3012, and is no longer in contact with the first roller 3011 and the second roller 3012; the recess 403 moves away from the second roller 3012 and no longer contacts the second roller 3012; the second protruding portion 404 moves in a direction approaching the first roller 3011 and abuts against the first roller 3011; along with the clockwise movement of the door panel 50 in the movement process, the value of beta is smaller and smaller, and the clockwise gravity moment M1 generated by the dead weight of the integrated structure is larger and larger according to the formula M1=G×L1×Cosbeta; meanwhile, the first roller 3011 is pushed by the transmission portion 40, so that the slider 30 moves along the second guide slot 1021 in a direction approaching the guide post 105, and the compression amount of the spring is also larger and larger. According to the formula m2= 2*k Δx×l2, as Δx is continuously increased and α is continuously increased in the falling process of the door panel 50, the counterclockwise moment M2 generated by the spring acting on the first boss 402 is increased, and the clockwise moment M1 generated by the dead weight of the integral structure is counteracted, so that the falling speed of the door panel 50 is uniform, and the buffering effect is achieved.
In the present embodiment, since the first roller 3011 and the second roller 3012 are rotatable, friction between the first roller 3011, the second roller 3012 and the transmission portion 40 is ignored, and the arm length L2 of the set resilience force F1 is unchanged during rotation by the arc design of the first protrusion 402, so that the magnitude of the counterclockwise moment M2 is only related to the compression amount Δx of the spring according to the formula m2= 2*k ×Δxl2. Wherein, according to the requirement that m1.gtoreq.m2, formula (1) and m2= 2*k Δxl2= 2*k (X) 1 +△X 0 ) L2 yields:
X 1 ≤(G*L1*Cosβ)/2*k*L2—△X 0 (2)，
wherein X is 1 The displacement distance of the first roller, i.e., the compression increment of the spring.
As can be seen from the above relation, the buffer effect can be ensured by setting the angular velocity of the door 50 falling at which the door 50 is opened to be smaller and smaller, that is, the angle is reduced after the door 50 falls to a certain angle, and the angular velocity of the door 50 falling is ω. Wherein ω= (90- β)/t; beta=90- ω×t, substituting formula (2) to obtain:
X 1 ≤(G*L1*Cosβ)/2*k*L2-△X 0 ＝G*L1*Cos(90-ω*t)/2*k*L2-△X 0 (3)，
the distance X of the horizontal displacement of the first roller 3011 can be calculated by selecting proper angular velocity omega and spring coefficient k 1 Further, the arc shape of the first protruding portion 402 is designed.
Referring to fig. 4 and 5, as the transmission part 40 continues to rotate, the second protruding part 404 moves in the direction of the second roller 3012, the first protruding part 402 is separated from the first roller 3011 and is abutted against the second roller 3012, the spring continues to be compressed, the elastic force presses the door plate 50 through the second roller 3012, a counterclockwise bending moment is generated, and the clockwise movement of the door plate 50 is further buffered until one side of the transmission part 40 is abutted against the second limiting member 107, and the transmission part 40 stops rotating; the transmission part 40 plays a role of buffering the transmission part 40 by the resistance of the slider 30 when rotating clockwise with respect to the main housing 10, so that the door panel 50 is not directly opened. When the door panel 50 is fully opened, the second protruding portion 404 abuts against the second roller 3012, and the side of the transmission portion 40 away from the second protruding portion 404 abuts against the second limiting member 107, so that the transmission portion 40 cannot rotate in the clockwise direction any more.
When the door 50 is in a fully opened state, the compression amount of the spring is the largest, and in this embodiment, the clockwise moment generated by the dead weight of the door is slightly larger than the counterclockwise moment of the resilience force of the spring, and similarly to the opening process of the door 50, the user applies a smaller counterclockwise moment to the door 50, the counterclockwise moment generated by the resilience force component F of the spring acting on the transmission part 40 is larger than the clockwise moment generated by the gravity of the integral structure, and the transmission part 40 can rotate under the assistance of the spring. During closing, the transmission part 40 rotates anticlockwise around the rotation shaft 104, the second protruding part 404 is abutted against the second roller 3012 and moves towards the first roller 3011, the first protruding part 402 moves towards the second roller 3012, and the recessed part 403 moves towards the second roller 3012; as the transmission part 40 continues to rotate, the second protruding part 404 is separated from the second roller 3012 and is abutted against the first roller 3011, at this time, the door plate 50 has rotated to a certain angle, and the spring continuously releases the elastic force; as the transmission part 40 continues to rotate, the second protruding part 404 moves in a direction away from the first roller 3011 until the second protruding part is separated from the first roller 3011, and the first protruding part 402 abuts against the second roller 3012 and moves in a direction approaching the first roller 3011; the recess 403 continues to move in a direction approaching the second roller 3012; in the closing process, the resilience force of the spring is smaller and smaller, the clockwise moment generated by the gravity of the integrated structure is smaller and smaller, and finally, the elasticity of the spring is basically completely released, and the door plate 50 can be slowly closed by virtue of inertia; the door plate 50 rotates anticlockwise until one side of the transmission part 40 is abutted with the first limiting piece 106, and the transmission part 40 stops rotating; when the transmission part 40 rotates anticlockwise relative to the main housing 10 during movement, the force applied by the user is reduced under the assistance of the slide block 30.
In the specific implementation, the spring coefficient and the compression amount of the spring may be set according to the weight and the volume of the door panel 50, for example, in the fully opened state of the door panel 50, the clockwise moment generated by the self weight is slightly greater than the counterclockwise moment of the resilience force of the spring.
When the door plate buffering booster device in the embodiment is applied to the tail door plate of the rear baffle of the pickup truck, as the door plate is vertically opened and closed, a user only needs to apply small force to the door plate when opening the door plate, and the door plate can be opened under the assistance of the gravity of the door plate; the door plate can be closed under the elastic action of the elastic piece, and a user does not need to apply larger force.
When the door plate buffering power assisting device in the embodiment is applied to a general door plate, the door plate is horizontally opened and closed, so that the gravity of the door plate can be ignored, and a user is required to apply force to the door plate when the door plate is opened. The elastic coefficient and the compression amount of the elastic piece in the door plate buffering booster device can be used for enabling a user not to apply excessive force; when the door panel is closed, a user only needs to apply small force to close the door panel, and the rebound force is small at the moment so as not to hurt the user or generate collision.
According to the embodiment of the application, the door plate buffering power assisting device is arranged on the door plate, so that the door plate is buffered or assisted in the opening and closing process, accidents caused by rapid opening and closing of the door plate are avoided, larger vibration and noise are avoided, and manpower is saved.
The automobile embodiment of the application comprises a door plate buffering booster device and a door plate fixedly connected with the door plate buffering booster device. Specifically, the door plate buffering booster and the door plate structure refer to the door plate buffering booster embodiment, and are not described herein again.
According to the embodiment of the application, the door plate buffering power assisting device is arranged on the door plate, so that the door plate is buffered or assisted in the opening and closing process, accidents caused by rapid opening and closing of the door plate are avoided, larger vibration and noise are avoided, and manpower is saved.

Claims (4)

1. A door panel buffering booster, characterized by comprising:
a main housing;
one end of the elastic piece is used for elastically abutting against the main shell;
the sliding block is arranged on one side of the sliding block and is elastically abutted with the other end of the elastic piece;
the transmission part is arranged on the other side of the sliding block and is in contact with the sliding block, and the transmission part receives the resistance action of the sliding block when rotating clockwise relative to the main shell; the transmission part is subjected to the assistance action of the sliding block when rotating anticlockwise relative to the main shell;
the main shell comprises a bottom plate, side plates and a cover plate, wherein the side plates are integrally formed on two sides of the bottom plate and close to one end of the elastic piece, the cover plate is covered on the side plates, one end, far away from the elastic piece, of the bottom plate is provided with a rotating shaft, the transmission part is provided with a first through hole corresponding to the rotating shaft, and the rotating shaft penetrates through the first through hole, so that the transmission part rotates around the rotating shaft to drive the sliding block;
the abutting part is arranged at one end of the sliding block, which is far away from the elastic piece, and is used for abutting the transmission part, the abutting part comprises a first roller and a second roller, the first roller and the second roller are rotatably arranged on the sliding block, and the projection area of the part of the second roller protruding from the sliding block along the direction vertical to the moving direction of the sliding block is larger than the projection area of the part of the first roller protruding from the sliding block along the direction vertical to the moving direction of the sliding block;
wherein, the transmission portion includes: the first bulge part is arranged on one side of the transmission part and is abutted against the first roller when the door plate is closed; the concave part is arranged on the same side of the transmission part as the first convex part and is used for accommodating the second roller when the door plate is closed; the second bulge part is arranged on one side of the transmission part, which is far away from the first through hole, and corresponds to the second roller when the door plate is completely opened, and is used for abutting against the first roller and the second roller in the opening process of the door plate; the distance between the center of the first through hole and the edge of the first protruding part is smaller than the distance between the center of the first through hole and the edge of the second protruding part, so that the sliding block moves along with the rotation of the transmission part in a direction away from or close to the transmission part;
the main housing includes: the first limiting piece is arranged on one side of the bottom plate, which is close to the rotating shaft, and is positioned between the sliding block and the transmission part and used for limiting the transmission part to continuously rotate anticlockwise when the door plate is closed; the second limiting piece is arranged on the bottom plate and is positioned on one side, far away from the sliding block, of the transmission part, and is used for limiting the transmission part to continuously rotate clockwise when the door plate is completely opened.
2. The door panel buffering booster of claim 1 wherein the main housing further comprises:
the guide post is arranged at one end of the side plate, which is close to the elastic piece, and the elastic piece is arranged on the guide post so that the elastic piece stretches or compresses along the moving direction of the sliding block;
the bottom plate and the side plates form a first accommodating space for accommodating the sliding block.
3. The door panel buffering booster of claim 2, wherein the slider further comprises:
the second accommodating space is arranged at one end of the sliding block, which is close to the elastic piece, and the second accommodating space is arranged opposite to the first accommodating space and is used for accommodating the elastic piece and the guide pillar.
4. An automobile comprising the door panel buffering booster according to any one of claims 1 to 3, and a door panel fixedly connected to the door panel buffering booster.
CN201810496201.3A 2018-05-22 2018-05-22 Door plant buffering booster unit and car Active CN108505863B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810496201.3A CN108505863B (en) 2018-05-22 2018-05-22 Door plant buffering booster unit and car

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Application Number Priority Date Filing Date Title
CN201810496201.3A CN108505863B (en) 2018-05-22 2018-05-22 Door plant buffering booster unit and car

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CN108505863A CN108505863A (en) 2018-09-07
CN108505863B true CN108505863B (en) 2023-11-17

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CN101363304A (en) * 2007-08-10 2009-02-11 台湾福兴工业股份有限公司 Device for automatically closing door
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