CN211081420U

CN211081420U - Turnover structure of automobile door cover

Info

Publication number: CN211081420U
Application number: CN201921839020.2U
Authority: CN
Inventors: 黄紫虹; 吴建成
Original assignee: Toneluck Technology Huizhou Co ltd
Current assignee: Toneluck Technology Huizhou Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-07-24
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a flip structure of car door closure. The turnover structure comprises a door cover hinge, a fixed plate and a turnover damper; the fixed plate is used for being fixedly connected with the automobile body, and one end of the door cover hinge is used for being fixedly connected with the automobile door cover; the overturning damper comprises a damping shell and a damping output shaft which can rotate relatively, and the damping output shaft and the damping shell mutually exert a damping effect during relative rotation; the damping shell is fixedly arranged on the fixing plate; one end of the damping output shaft is connected with the other end of the door cover hinge, and the damping output shaft can be driven to rotate when the door cover hinge is turned over; the automobile door cover overturning device further comprises an overturning driver used for driving the automobile door cover to overturn. The overturning structure can enable the automobile door cover to realize hovering at any angle in the closing process, so that the danger of clamping injury caused by automatic and rapid closing of the automobile door cover is avoided, and the comfort level and the safety are high.

Description

Turnover structure of automobile door cover

Technical Field

The utility model relates to the technical field of vehicles, concretely relates to flip structure of car door closure.

Background

With the development of automobile technology and the improvement of living standard of people, the popularization rate of automobiles is higher and higher, and the position of automobiles in human life is indispensable. The creation of safer and more comfortable automobiles becomes a new target continuously pursued by automobile drivers.

At present, the existing opening modes of the engine cover, the tail door and other door covers of the automobile are all turning opening modes. Moreover, the existing modes of turning and opening the engine cover, the tail door and other door covers of the automobile adopt the air stay bar for supporting and opening, and the air stay bar only has two working positions, namely the shortest working position and the longest working position, and cannot automatically stop in the process of travel. Therefore, in the opening process of the automobile door cover, the air stay bar can directly flick the door cover, and the safety is low; meanwhile, in the closing process of the automobile door cover, hovering at any angle cannot be realized, the danger of clamping injury easily exists, and the comfort level and the safety are low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flip structure of car door closure to the defect or not enough that exist among the prior art. The overturning structure can enable the automobile door cover to realize hovering at any angle in the closing process, so that the danger of clamping injury caused by automatic and rapid closing of the automobile door cover is avoided, and the comfort level and the safety are high.

The purpose of the utility model is realized through the following technical scheme.

The turnover structure of the automobile door cover is characterized in that the automobile door cover is arranged on an automobile body in a turnover way, and the turnover structure comprises a door cover hinge, a fixing plate and a turnover damper; the fixed plate is fixedly connected with the automobile body, and one end of the door cover hinge is fixedly connected with the automobile door cover;

the overturning damper comprises a damping shell and a damping output shaft; one end of the damping output shaft is positioned in the damping shell, and the other end of the damping output shaft extends out of the damping shell; the damping output shaft and the damping shell can rotate relatively along the direction of opening and closing the automobile door cover; when the damping output shaft and the damping shell rotate relatively in the direction of closing the automobile door cover, the damping output shaft and the damping shell exert a damping effect mutually;

the damping shell is fixedly arranged on the fixing plate; one end of the damping output shaft, which extends out of the damping shell, is connected with the other end of the door cover hinge, and when the door cover hinge is turned over, the door cover hinge can drive the damping output shaft to rotate.

Preferably, the damping shell is connected with the damping output shaft through a pressure spring;

one end of the pressure spring is connected and acts on the damping shell, and the other end of the pressure spring is connected and acts on the damping output shaft; and when the damping shell and the damping output shaft rotate relatively along the direction of closing the automobile door cover, the pressure spring is compressed and exerts a damping effect on both the damping output shaft and the damping shell.

More preferably, the damper output shaft includes an outer shaft portion, an engagement portion, and an inner shaft portion; the outer shaft part extends out of the damping shell and is hinged with the door cover; the occlusion part and the inner shaft part are both positioned in the damping shell;

the inner shaft part is sleeved with a moving block and the pressure spring; the compression spring can extend and retract along the axial direction of the inner shaft part; the moving block can move on the inner shaft part, and when the damping shell and the damping output shaft rotate relatively, the moving block and the damping shell rotate synchronously;

one end of the pressure spring is connected to the damping shell, and the other end of the pressure spring is connected to one side of the moving block; the other side of the moving block is meshed with the meshing part of the damping output shaft through a curved surface, and when the automobile door cover is closed, the moving block rotates relative to the meshing part and compresses the pressure spring to contract.

Further preferably, the compression spring comprises a small compression spring and a large compression spring sleeved outside the small compression spring.

Still more preferably, the moving block has a convex guide ridge, the damping housing has a guide groove whose length direction is parallel to the axial direction of the inner shaft, and the guide ridge corresponds to the guide groove and extends into the guide groove.

Preferably, the damping shell is fixedly mounted on the fixing plate through a damper mounting plate;

the damper mounting plate is welded on the fixing plate; the damping shell is locked and fixed on the damper mounting plate through bolts.

More preferably, the damping shell extends to form a mounting part on the outer side; the mounting part is provided with a mounting hole I;

the damper mounting plate is an arched mounting plate; two ends of the damper mounting plate are welded on the fixing plate, and an arch part of the damper mounting plate is provided with a mounting hole II; concentric nuts are welded outside the bottom of the mounting hole II; the mounting hole I, the mounting hole II and the nut correspond to each other and are locked and assembled through the bolt.

Preferably, the outer side of the damping shell is extended with a clamping position; the axial direction of the clamping position is parallel to the damping output shaft;

a limiting plate is welded on the fixing plate; and in the direction of relative rotation of the damping shell and the damping output shaft, the limiting plate is in contact with the clamping position for clamping, and the damping shell is limited to rotate synchronously along with the damping output shaft.

Preferably, one end of the door cover hinge connected with the damping output shaft is provided with an offset hole; the deflection hole is correspondingly matched with one end of the damping output shaft, which extends out of the damping shell;

one end of the damping output shaft, which extends out of the damping shell, extends into the deviation hole, so that one end of the damping output shaft, which extends out of the damping shell, is connected with the other end of the door cover hinge.

Preferably, the flipping structure further comprises a flipping driver; the turnover driver is fixedly arranged on the automobile body, and the output end of the turnover driver is in transmission connection with the door cover hinge; the turnover driver can drive the door cover hinge to turn over during working, and then drives the automobile door cover to turn over.

More preferably, the turnover driver is mounted on the automobile body through a driver mounting plate, and the rotating direction of the output end is the same as the turnover direction of the automobile door cover.

Compared with the prior art, the utility model has the advantages of as follows and beneficial effect:

(1) the utility model discloses a flip structure when opening of car door closure, will make the car door closure slowly open through the elastic damping effect of upset attenuator, and can not directly bounce the car door closure open, and the safety in utilization is high, is favorable to automobile door closure's protection moreover, improves automobile parts's life.

(2) The utility model discloses an upset structure is at the closed in-process of car door closure, through the elastic damping effect of upset attenuator, can make car door closure realize hovering at arbitrary angle to avoid car door closure automatic to close rapidly and take place to press from both sides the danger of hindering, comfort level and security are high.

(3) The utility model discloses an among the flip structure, still be provided with the upset driver for the upset of drive car door closure, with the switching of control car door closure, thereby can effectively realize the automatic switch of car door closure, effectively improved convenience of use and work efficiency, and improved user's use and experienced the sense.

Drawings

Fig. 1 is a schematic overall structure view of an automobile door cover turnover structure according to embodiment 1 of the present invention;

fig. 2 is a schematic view of an overall assembly structure of the turnover structure of the door cover of the automobile according to embodiment 1;

fig. 3a is a schematic structural view of a rollover damper in a rollover structure of an automobile door cover according to embodiment 1 of the present invention;

fig. 3b is a schematic cross-sectional view of the rollover damper in the rollover structure of the door cover of the vehicle according to embodiment 1 of the present invention;

fig. 3c is a schematic view of an assembly structure of the roll damper in the roll structure of the door cover of the automobile according to embodiment 1;

fig. 4 is a schematic view of an overall structure in which the turnover structure of the door cover of the vehicle according to embodiment 1 of the present invention is applied to a tailgate of the vehicle;

fig. 5 is a schematic view of an overall assembly structure of the turnover structure of the door cover of the automobile according to embodiment 2 of the present invention;

fig. 6 is a schematic view of an overall structure in which the turnover structure of the door cover of the vehicle according to embodiment 2 of the present invention is applied to a tailgate of the vehicle;

the attached drawings are marked as follows: 100-automobile tail gate, 101-turnover damping assembly, 102-turnover driving assembly, 1-door cover hinge, 11-deflection hole, 2-fixing plate, 3-turnover damper, 31-damping shell, 310-mounting part, 3101-mounting hole I, 311-shell body, 3111-clamping part, 312-end cover, 32-damping output shaft, 321-outer shaft part, 322-occlusion part, 323-inner shaft part, 33-pressure spring, 331-large pressure spring, 332-small pressure spring, 34-moving block, 35-gasket, 4-damper mounting plate, 41-mounting hole II, 5-bolt, 6-nut, 7-limiting plate, 71-welding part, 72-limiting part, 721-bending part and 73-connecting part, 8-turnover driver, 81-speed reducing motor, 82-upper cover, 83-lower cover and 9-driver mounting plate.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the following specific embodiments and accompanying drawings, but the scope of protection and the implementation of the present invention are not limited thereto. In the description of the embodiments of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings or the orientation or position relationship usually placed when the product of the present invention is used, and the terms "i", "ii", etc. are only used for distinguishing the description, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention, and even should not indicate or imply relative importance.

Example 1

Referring to fig. 1 and 2, the present embodiment is a turning structure of a door cover of an automobile. The automobile door cover is arranged on an automobile body in a turnover mode, wherein the turnover structure comprises a door cover hinge 1, a fixing plate 2 and a turnover damper 3; the fixed plate 2 is fixedly connected with the automobile body, and one end of the door cover hinge 1 is fixedly connected with the automobile door cover 1.

The tumble damper 3 includes a damper housing 31 and a damper output shaft 32; one end of the damper output shaft 32 is located in the damper housing 31, and the other end extends out of the damper housing 31. The damping output shaft 32 and the damping shell 31 can rotate relatively along the direction of opening and closing the automobile door cover; and when the damping output shaft 32 and the damping shell 31 rotate relatively along the direction of closing the automobile door cover, the damping output shaft 32 and the damping shell 31 exert a damping effect mutually.

The damping shell 31 is fixedly arranged on the fixed plate 2; one end of the damping output shaft 32, which extends out of the damping shell 31, is connected to the other end of the door cover hinge 1, and when the door cover hinge 1 is turned over, the door cover hinge 1 can drive the damping output shaft 32 to rotate. So, when the car door closure was closed, damping output shaft 32 will exert damping effect each other with damping casing 31, and damping output shaft 32 will produce damping effect to door closure hinge 1, make the automatic decline of the car door closure of connection on door closure hinge 1 close, realize hovering that the car door closure can be at arbitrary angle to avoid the car door closure automatic to close rapidly and the danger that the clamp wounded appears, improve and use travelling comfort and safety in utilization.

Specifically, as shown in fig. 3a to 3c, the damping housing 31 and the damping output shaft 32 are operatively connected through a compression spring 33.

One end of the pressure spring 33 is connected to act on the damping shell 31, and the other end of the pressure spring is connected to act on the damping output shaft 32; and when the damping housing 31 and the damping output shaft 32 rotate relatively in the direction of closing the automobile door cover, the pressure spring 33 is compressed and exerts a damping effect on both the damping output shaft 32 and the damping housing 31. In this way, a mutual damping action between the damper output shaft 32 and the damper housing 31 is achieved.

More preferably, the damper output shaft 32 includes an outer shaft portion 321, an engagement portion 322, and an inner shaft portion 323; and the damping housing 31 includes a housing body 311 having an open end, and an end cap 312 fitted to the open end of the housing body 311. The middle part of the end cap 312 is provided with a through hole for accommodating the outer shaft part 321 to extend through, the end cap 312 is hermetically matched with the open end of the shell body 311, the engagement part 322 and the inner shaft part 323 of the damping output shaft 32 are both positioned in the shell body 311, and the outer shaft part 321 passes through the through hole of the end cap 312 to extend out of the shell body 311 and is connected with the door cover hinge 1.

The diameter of the engagement portion 322 is larger than that of the outer shaft portion 321, so that the end cap 312 can limit the engagement portion 322 and the inner shaft portion 323 of the damping output shaft 32 in the housing body 311, and the engagement portion 322 and the end cap 312 are sealed through a sealing ring to prevent dust and pollution.

The housing body 311 is provided with a moving block 34 and the compression spring 33, and the compression spring 33 and the moving block 34 are both fitted over the inner shaft portion 323 of the damper output shaft 32. The moving block 34 is located at a side close to the end cap 312 and can move on the inner shaft portion 323, and when the damping housing 31 and the damping output shaft 32 rotate relatively, the moving block 34 and the damping housing 31 rotate synchronously. The compression spring 33 can extend and contract along the axial direction of the inner shaft part 323, one end of the compression spring 33 is connected and acts on the moving block 34, and the other end of the compression spring 33 is connected and acts on the damping shell 31; in an alternative embodiment, a spacer 35 is disposed in the damping housing 31 on a side away from the moving block 34, and one end of the compression spring 33 away from the moving block 34 abuts on the spacer 35, so as to be connected to and act on the damping housing 31. The moving block 34 engages with the engaging portion 322 of the damper output shaft 32 via a curved surface, and when the door is closed, the moving block 34 rotates relative to the engaging portion 322 to compress the compression spring 33.

Further preferably, the moving block 34 has a convex guide ridge, and the damping housing 31 has a guide groove parallel to the axial direction of the inner shaft portion 323, and the guide ridge corresponds to the guide groove and extends into the guide groove.

Therefore, when the damping output shaft 32 and the damping shell 31 rotate relatively in the direction of closing the automobile door cover, the moving block 34 and the damping shell 31 rotate synchronously, displacement along a curved surface curve generated by an engagement curved surface between the moving block 34 and the engagement part 322 is converted into displacement of the moving block 34 along the axial direction, the moving block 34 moves in the direction far away from the engagement part 322 and compresses the pressure spring 33, the pressure spring 33 is compressed to generate a damping effect on the moving block 34 and the damping shell 31, the moving block 34 transmits the damping effect to the damping output shaft 32, the damping effect is exerted on the damping output shaft 32 and the damping shell 31, the automobile door cover can realize the hovering function at any angle, and the stable cover closing of the automobile door cover is realized. Moreover, when the automobile door cover is opened, the stretching of the pressure spring 33 can also indirectly provide corresponding moment of force through the elastic damping effect, so that the automobile door cover is assisted to be slowly opened, the automobile door cover cannot be directly flicked, the use safety is high, the protection of the automobile door cover component is facilitated, and the service life of automobile parts is prolonged.

Still more preferably, in the present embodiment, the compression spring 33 includes a small compression spring 332 and a large compression spring 331 that is sleeved outside the small compression spring 332. Through the double compression spring effect of size, make the damping effect of applying to damping output shaft 32 and damping casing 31 more steady, make the effect of hovering of car door closure better.

In the present embodiment, the damper housing 31 is fixedly attached to the fixed plate 2 by the damper attachment plate 4. Wherein, the damper mounting plate 4 is welded on the fixing plate 2; the damping shell 31 is locked and fixed on the damper mounting plate 4 through a bolt 5.

The damping shell 31 extends from the outside to form a mounting part 310; the mounting portion 310 is provided with a mounting hole I3101. The damper mounting plate 4 is an arched mounting plate; two ends of the damper mounting plate 4 are welded on the fixed plate 2, and an arch part of the damper mounting plate 4 is provided with a mounting hole II 41; a concentric nut 6 is welded outside the bottom of the mounting hole II 41; the mounting hole I3101, the mounting hole II 41 and the nut 6 correspond to each other and are locked and assembled through the bolt 5.

The damping housing 31 further has a detent 3111 extending from an outer side thereof, and specifically, the mounting portion 310 and the detent 3111 are respectively a structure extending from the housing body 311 and located at two axial sides thereof. The axial direction of the detent 3111 is parallel to the damper output shaft 32. A limiting plate 7 is welded on the fixing plate 2; in the direction of relative rotation of the damping shell 31 and the damping output shaft 32, the limiting plate 7 is in contact with the detent 3111 for clamping, and limits the damping shell 31 to synchronously rotate along with the damping output shaft 32.

Specifically, in the present embodiment, the position-limiting plate 7 includes a welding portion 71, a position-limiting portion 72, and a connecting portion 73 for connecting the welding portion 71 and the position-limiting portion 72; the welding part 71 is welded to the fixed plate 2; the welding part 71 extends upwards to form a connecting part 73; the connecting portion 73 is bent and extended toward the position close to the detent 3111 to form a stopper 72; the limiting part 72 contacts with the detent 3111 for clamping. Furthermore, the two ends of the stopper portion 72 in the axial direction are provided with outward and upward bent portions 721, so that when the tumble damper 3 is slid and fitted between the damper mounting plate 4 and the stopper plate 7, the interference between the detent 3111 of the damper housing 31 and the end of the stopper portion 72 does not occur, and the tumble damper 3 can be smoothly slid and fitted.

So, fix the both ends of the edge car door closure upset of damping casing 31 respectively through attenuator mounting panel 4 and limiting plate 7, avoid driving the in-process that the door closure hinge 1 pivoted in the car door closure upset, damping casing 31 takes place the upset displacement along with damping output shaft 32, has improved the damping output stability to the car door closure.

Further, referring to fig. 4, the flip structure in the present embodiment is applied to open and close the tailgate 100, and the flip structure includes two flip structures symmetrically disposed, and the two flip structures are connected and disposed on the left and right sides of the tailgate 100. The damper mounting plate 4, the limiting plate 7 and the rollover damper 3 are mounted and assembled on the fixing plate 2 to form a rollover damping assembly 101, that is, the rollover damping assembly 101 includes two symmetrically arranged components. Two flip structure that the symmetry set up for when car tail-gate 100 was closed, the damping effect that both ends received can keep balance about, thereby makes car tail-gate 100 can steadily close.

In addition, an offset hole 11 is arranged at one end of the door cover hinge 1 connected with the damping output shaft 32; the offset hole 11 is correspondingly matched with one end of the damping output shaft 32, which extends out of the damping shell 31. During assembly, one end of the damping output shaft 32, which extends out of the damping shell 31, is slid into the deviation hole 11, so that one end of the damping output shaft 32, which extends out of the damping shell 31, is connected with the other end of the door cover hinge 1.

Example 2

The turnover structure of the automobile door cover of the present embodiment is the same as that of embodiment 1, and further, as shown in fig. 5, the turnover structure further includes a turnover actuator 8. The turnover driver 8 is fixedly arranged on the automobile body, and the output end of the turnover driver is in transmission connection with the door cover hinge 1; the turnover driver 8 can drive the door cover hinge 1 to turn over during working, and then drives the automobile door cover to turn over.

In this embodiment, the turnover actuator 8 is fixedly arranged on the automobile body through the actuator mounting plate 9 and is located on the side surface of the automobile door cover, the output end of the turnover actuator is directly in transmission connection with the door cover hinge 1, and the output end rotation axis of the turnover actuator 8 coincides with the turnover rotation axis of the damping output shaft 32. Specifically, in the present embodiment, the offset hole 11 is a through hole, the end portion of the outer shaft portion 321 of the damper output shaft 32 extends from one end of the offset hole 11 and fits into the offset hole 11, and the end portion of the output shaft of the tumble actuator 8 extends from the other end of the offset hole 11 and fits into the offset hole 11. The direction of rotation of upset driver 8 is the same with the upset direction of door closure hinge 1 upset, promptly with the upset direction of car door closure 8 during operation of upset driver, the output of upset driver 8 rotates, can drive the upset of door closure hinge 1 to drive the upset of car door closure.

When the car door closure switching, through the upset of 8 drive car door closures of upset driver to the switching of control car door closure, thereby can effectively realize the automatic switch of car door closure, improve convenience of use and work efficiency, and improved user's use and experienced the sense.

In alternative embodiments, the tumble driver 8 may be a stepper motor or a motor directly. In this embodiment, the turnover actuator 8 is a speed reduction motor 81 with a PCBA to realize intelligent control over the turnover actuator 8, and further realize intelligent control over opening and closing of the automobile door cover.

Furthermore, in the embodiment, the speed reducing motor 81 with the PCBA is arranged in the die cavity of the upper cover 82 and the lower cover 83 which are mutually clamped, the upper cover 82 and the lower cover 83 are locked and clamped by bolts, the lower cover 83 is locked and installed on the driver installation plate 9 through the matching of the bolts 5 and the nuts 6 to form the turnover driving assembly 102, and the output end of the speed reducing motor 81 with the PCBA extends out of the die cavity and is in transmission connection with the door cover hinge 1.

Referring to fig. 6, the tilting structure in the present embodiment is applied to open and close the tailgate 100 of the vehicle, wherein the tilting drive assembly 102 is one and is located on one side of the tailgate 100.

The above embodiments are merely preferred embodiments of the present invention, and only lie in further detailed description of the technical solutions of the present invention, but the protection scope and the implementation manner of the present invention are not limited thereto, and any changes, combinations, deletions, replacements, or modifications that do not depart from the spirit and principles of the present invention will be included in the protection scope of the present invention.

Claims

1. A turnover structure of an automobile door cover, which is arranged on an automobile body in a turnover way, is characterized by comprising a door cover hinge (1), a fixed plate (2) and a turnover damper (3); the fixed plate (2) is fixedly connected with the automobile body, and one end of the door cover hinge (1) is fixedly connected with the automobile door cover;

the rollover damper (3) comprises a damping housing (31) and a damping output shaft (32); one end of the damping output shaft (32) is positioned in the damping shell (31), and the other end of the damping output shaft extends out of the damping shell (31); the damping output shaft (32) and the damping shell (31) can rotate relatively along the direction of opening and closing the automobile door cover; when the damping output shaft (32) and the damping shell (31) rotate relatively along the direction of closing the automobile door cover, the damping output shaft (32) and the damping shell (31) exert a damping effect mutually;

the damping shell (31) is fixedly arranged on the fixed plate (2); one end of the damping output shaft (32) extending out of the damping shell (31) is connected with the other end of the door cover hinge (1), and when the door cover hinge (1) is turned over, the door cover hinge (1) can drive the damping output shaft (32) to rotate synchronously.

2. The door cover flip structure of the automobile according to claim 1, wherein the damping housing (31) is operatively connected with the damping output shaft (32) through a compression spring (33);

one end of the pressure spring (33) is connected and acts on the damping shell (31), and the other end of the pressure spring is connected and acts on the damping output shaft (32); and when the damping shell (31) and the damping output shaft (32) rotate relatively along the direction of closing the automobile door cover, the pressure spring (33) is compressed and exerts a damping effect on both the damping output shaft (32) and the damping shell (31).

3. The door cover flip structure of an automobile according to claim 1, wherein said damper housing (31) is fixedly mounted on said fixing plate (2) by means of a damper mounting plate (4);

the damper mounting plate (4) is welded on the fixing plate (2); the damping shell (31) is locked and fixed on the damper mounting plate (4) through a bolt (5).

4. The door cover flip structure of an automobile according to claim 3, wherein the damping case (31) is extended at an outer side thereof with a mounting portion (310); the mounting part (310) is provided with a mounting hole I (3101);

the damper mounting plate (4) is an arched mounting plate; two ends of the damper mounting plate (4) are welded on the fixing plate (2), and an arch part of the damper mounting plate (4) is provided with a mounting hole II (41); a concentric nut (6) is welded outside the bottom of the mounting hole II (41); the mounting hole I (3101), the mounting hole II (41) and the nut (6) correspond to each other and are locked and assembled through the bolt (5).

5. The door cover turning structure of an automobile according to claim 1, wherein the damping housing (31) further has a detent (3111) extending from an outer side thereof; the axial direction of the clamping position (3111) is parallel to the damping output shaft (32);

a limiting plate (7) is welded on the fixing plate (2); damping casing (31) with on the direction of damping output shaft (32) relative rotation, limiting plate (7) with screens (3111) contact chucking, and restriction damping casing (31) take place along with the synchronous rotation of damping output shaft (32).

6. The automobile door cover turnover structure of claim 1, wherein one end of the door cover hinge (1) connected with the damping output shaft (32) is provided with an offset hole (11); the deviation hole (11) is correspondingly matched with one end of the damping output shaft (32) extending out of the damping shell (31);

one end of the damping output shaft (32) extending out of the damping shell (31) extends into the deviation hole (11), so that one end of the damping output shaft (32) extending out of the damping shell (31) is connected with the other end of the door cover hinge (1).

7. The door cover flip structure of an automobile according to any one of claims 1 to 6, further comprising a flip actuator (8); the turnover driver (8) is fixedly arranged on the automobile body, and the output end of the turnover driver is in transmission connection with the door cover hinge (1); the turnover driver (8) can drive the door cover hinge (1) to turn over during working, and then drives the automobile door cover to turn over.

8. The door cover flip structure according to claim 7, wherein the flip actuator (8) is mounted on the vehicle body through an actuator mounting plate (9), and the rotation direction of the output end is the same as the flip direction of the door cover.