CN218759413U - Door buffer and vehicle - Google Patents

Abstract

The application discloses door buffer and vehicle, wherein, door buffer includes: the buffer plug comprises a buffer column, and the outer side of the buffer column is provided with a protruding part along the axial direction of the buffer column; the buffer seat comprises a containing hole penetrating through the buffer seat; the elastic piece is arranged on the inner wall of the buffer seat; the protruding portion of the buffer plug is opposite to the elastic piece and inserted into the accommodating hole so as to compress the elastic piece, the buffer plug rotates along the inner wall of the buffer seat after being inserted into the accommodating hole, and the elastic piece resets after the protruding portion rotates away from the elastic piece so as to fix the buffer plug. Through the door buffer that this application embodiment provided, the difficult pine of buffering stopper takes off the drunkenness, guarantees that the length of buffering stopper protrusion buffer seat is fixed to and can improve the stability that buffering stopper and buffer seat are connected.

Description

Door buffer and vehicle

Technical Field

The utility model relates to a door buffering technical field especially relates to a door buffer and vehicle.

Background

At present, a vehicle door buffer device (such as a buffer rubber plug) plays a role in buffering and supporting a vehicle door, and the length of the buffer plug of the vehicle door buffer device protruding out of a buffer seat needs to be adjusted according to the gap between the vehicle door and a vehicle body so as to achieve a state of just supporting the vehicle door and not being excessively extruded.

However, the adjusted cushion plug is easily loosened and moved.

SUMMERY OF THE UTILITY MODEL

This application provides a door buffer and vehicle to the shortcoming of current mode for there is the easy pine of buffering stopper after adjusting to solve prior art and take off the technical problem of drunkenness.

In a first aspect, an embodiment of the present application provides a vehicle door buffering device, including: the buffer plug comprises a buffer column, and a protruding part is arranged on the outer side of the buffer column along the axial direction of the buffer column; the buffer seat comprises a containing hole penetrating through the buffer seat; the elastic piece is arranged on the inner wall of the buffer seat; the protruding portion of the buffer plug is opposite to the elastic piece inserted into the accommodating hole so as to compress the elastic piece, the buffer plug rotates along the inner wall of the buffer seat after being inserted into a position, and the elastic piece resets after the protruding portion rotates away from the elastic piece so as to fix the buffer plug.

In one possible implementation, the protrusion is a first thread segment; a first non-threaded section is further arranged on the outer side of the buffer column along the axial direction of the buffer column; the first threaded section and the first non-threaded section are sequentially and alternately arranged along the periphery of the buffer column.

In one possible implementation manner, a second unthreaded section and a protruding second threaded section are arranged in the buffer seat along the axial direction of the accommodating hole; the second threaded section and the second non-threaded section are sequentially and alternately arranged along the inner wall of the buffer seat.

In one possible implementation manner, the second non-threaded section is provided with a concave portion corresponding to the accommodating hole; the elastic member includes: one end of the elastic arm is fixedly connected with the buffer seat; the blocking part is fixedly connected to the other end of the elastic arm; the first threaded section corresponds to the second non-threaded section when the buffer plug is inserted into the accommodating hole and pushes the blocking part into the concave part so that the elastic arm is compressed; the first threaded section is in threaded connection with the second threaded section when the buffer plug rotates along the inner wall of the buffer seat; the elastic arm resets after the buffer plug rotates along the inner wall of the buffer seat, and the blocking part is conveyed to extend out of the concave part, so that the blocking part is arranged on one side of the first thread section.

In one possible implementation manner, the elastic piece comprises an elastic part arranged on one side far away from the inner wall of the buffer seat; the first threaded section corresponds to the second non-threaded section when the buffer plug is inserted into the accommodating hole, and pushes the elastic part to bend towards the insertion direction of the buffer plug; the first threaded section is in threaded connection with the second threaded section when the buffer plug rotates along the inner wall of the buffer seat; the elastic part resets after the buffering stopper rotates along the inner wall of the buffering seat, and is arranged on one side of the first thread section.

In one possible implementation, the buffer plug further includes: the buffer cap is fixed at one end of the buffer column and arranged outside the buffer column.

In one possible implementation manner, the threads of the first thread section and the second thread section are both obliquely arranged, so that the buffer plug moves in a direction away from the buffer seat during the rotation process along the inner wall of the buffer seat.

In one possible implementation, the thread end portions of the first thread segments are provided with first thread inclines, and the thread end portions of the second thread segments are provided with second thread inclines; the first thread incline surface and the second thread incline surface slide relative to one another to align the threads of the first thread section and the threads of the second thread section.

In one possible implementation manner, the other end of the thread of the first thread section, which is far away from the first thread inclined surface, is provided with a limiting part protruding in the axial direction of the buffer column.

In a second aspect, an embodiment of the present application provides a vehicle, including: the vehicle door impact absorbing apparatus according to any one of the first aspect of the embodiment of the present application.

The beneficial technical effects brought by the technical scheme provided by the embodiment of the application comprise:

according to the vehicle door buffering device provided by the embodiment of the application, the first threaded section of the buffering plug corresponds to the second non-threaded section of the buffering seat, and the second threaded section of the buffering seat corresponds to the first non-threaded section of the buffering plug, so that the buffering plug can be ensured to be inserted into the accommodating hole, the buffering plug can move in the accommodating hole along the axial direction of the accommodating hole, and the protruding part of the buffering plug compresses the elastic part in the process of inserting the buffering plug into the accommodating hole; after the buffering stopper rotates, the elastic element resets, rotates through blockking the buffering stopper, and fixed buffering stopper sets up the difficult pine of buffering stopper and takes off the drunkenness like this, and then has guaranteed the length that buffering stopper protrusion cushion socket has improved the stability that buffering stopper and buffering seat are connected.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a vehicle door buffering device provided in an embodiment of the present application;

FIG. 2 is an exploded view of a door impact absorbing device according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a cushion plug in a vehicle door cushioning device according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural view of a buffer seat in a vehicle door buffer device according to an embodiment of the present application;

fig. 5 is a schematic cross-sectional structural view of a buffer seat in a vehicle door buffer device according to an embodiment of the present application.

Reference numerals and corresponding description:

1: a buffer plug; 11: a buffer column; 12: a protrusion; 13: a first non-threaded section; 14: a buffer cap; 15: a first thread incline; 16: a limiting part;

2: a buffer seat; 21: an accommodation hole; 22: a second thread segment; 23: a second non-threaded section; 24: a second thread incline;

3: an elastic member; 31: an elastic arm; 32: a blocking portion.

Detailed Description

The present application is described in detail below and examples of embodiments of the present application are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements with the same or similar functionality throughout. In addition, if a detailed description of the known art is not necessary for illustrating the features of the present application, it is omitted. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present application and are not construed as limiting the present application.

It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, elements, and/or components, but do not preclude the presence or addition of one or more other features, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, "connected" as used herein may include wirelessly connected.

The embodiment of the application provides a vehicle door buffering device, which mainly comprises a buffering plug 1, a buffering seat 2 and an elastic piece 3 as shown in figures 1-2. The buffer plug 1 comprises a buffer column 11, and a protruding part 12 is arranged on the outer side of the buffer column 11 along the axial direction of the buffer column 11; the cushion base 2 includes an accommodation hole 21 penetrating the cushion base 2; the elastic piece 3 is arranged on the inner wall of the buffer seat 2; wherein the protrusion 12 of the buffer plug 1 is inserted into the receiving hole 21 opposite to the elastic member 3 to compress the elastic member 3, the buffer plug 1 rotates along the inner wall of the buffer base 2 after being inserted into place, and the elastic member 3 is restored to fix the buffer plug 1 after the protrusion 12 is screwed off the elastic member 3.

Through the vehicle door buffering device provided by the embodiment of the application, the first threaded section of the buffering plug 1 corresponds to the second unthreaded section 23 of the buffering seat 2, and the second threaded section 22 of the buffering seat 2 corresponds to the first unthreaded section 13 of the buffering plug 1, so that the buffering plug 1 can be ensured to be inserted into the accommodating hole 21, further, the buffering plug 1 can move in the accommodating hole 21 along the axial direction of the accommodating hole 21, and in the process that the buffering plug 1 is inserted into the accommodating hole 21, the protruding part 12 of the buffering plug 1 compresses the elastic part 3; after the buffer plug 1 rotates, the elastic piece 3 resets, and through stopping that the buffer plug 1 rotates, the fixed buffer plug 1 sets up the difficult looseness drunkenness of buffer plug 1 like this, and then has guaranteed the length that buffer plug 1 salient buffer seat 2, has improved the stability that buffer plug 1 and buffer seat 2 are connected.

In one possible implementation, as shown in fig. 3, the projection 12 is a first thread segment; the outer side of the buffer column 11 is also provided with a first non-threaded section 13 along the axial direction of the buffer column 11; wherein the first threaded section and the first unthreaded section 13 are alternately arranged in sequence along the outer periphery of the buffer column 11.

Alternatively, the buffer column 11 is cylindrical, and the first thread segments may extend from one end of the buffer column 11 to the other end along the side of the buffer column 11. The first unthreaded section 13 is a portion of the side surface of the buffer column 11 without the first threaded section, that is, the first unthreaded section 13 is a curved surface. The first threaded sections and the first unthreaded sections 13 are alternately arranged in this order along the circumferential direction of the cushion post 11.

In one possible implementation, as shown in fig. 4, the buffer seat 2 is provided with a second unthreaded section 23 and a protruding second threaded section 22 along the axial direction of the receiving hole 21; wherein the second threaded sections 22 and the second unthreaded sections 23 are alternately arranged in sequence along the inner wall of the buffer base 2.

Optionally, the buffer base 2 is block-shaped, the middle part of the buffer base is provided with a containing hole 21, the cross section of the containing hole 21 in the axial direction perpendicular to the containing hole 21 is circular, the containing hole 21 can be a through hole, and the through hole structure can be matched with the buffer plugs 1 with different lengths. The second thread segments 22 may extend from one end of the receiving bore 21 to the other. The second unthreaded section 23 is a portion of the wall surface of the bore of the receiving bore 21 where the second threaded section 22 is absent, i.e., the second unthreaded section 23 is curved. The second threaded segments 22 and the second unthreaded segments 23 are alternately arranged in this order in the circumferential direction of the receiving bore 21. The number of the first thread sections is the same as that of the second thread sections 22, and the buffer base 2 and the buffer plug 1 are in threaded connection through threaded matching of the first thread sections and the second thread sections 22.

In one possible implementation, as shown in fig. 5, the second unthreaded section 23 is provided with a recess corresponding to the receiving hole 21; the elastic member 3 includes elastic arms 31 and stoppers 32. One end of the elastic arm 31 is fixedly connected with the buffer seat 2; the blocking part 32 is fixedly connected with the other end of the elastic arm 31; the first threaded section corresponds to the second unthreaded section 23 when the cushion plug 1 is inserted into the receiving hole 21, and pushes the stopper 32 into the recess, so that the elastic arm 31 is compressed; the first threaded section is in threaded connection with the second threaded section 22 when the buffer plug 1 rotates along the inner wall of the buffer seat 2; the elastic arm 31 is restored after the cushion plug 1 is rotated along the inner wall of the cushion socket 2, and the belt-feeding stopper 32 is protruded out of the recess so that the stopper 32 is disposed at one side of the first threaded section.

Alternatively, as shown in fig. 5, each of the second unthreaded sections 23 is provided with a recess, which may be a through hole. The elastic arm 31 is plate-shaped, the lower end of the elastic arm 31 can be fixedly connected with the outer side of the buffer seat 2, the upper end of the elastic arm 31 is integrally formed with a blocking portion 32, the blocking portion 32 protrudes out of the elastic arm 31, the blocking portion 32 can be block-shaped, and the blocking portion 32 extends into the accommodating hole 21 from the outer side of the buffer seat 2 through the through hole. During the process of inserting the buffer plug 1 into the receiving hole 21, the first thread segment pushes the blocking portion 32 into the receiving hole 21, in some possible embodiments, the first thread segment pushes the blocking portion 32 from inside the receiving hole 21 to outside the receiving hole 21, and the elastic arm 31 accumulates elastic potential energy during the process of pushing the blocking portion 32 by the first thread segment. After rotating the buffer plug 1, the first thread section corresponds and threaded connection with the second thread section 22, the first thread section is disconnected from the blocking portion 32, so that the force for compressing the elastic arm 31 disappears, the elastic arm 31 releases the accumulated elastic potential energy, the blocking portion 32 returns to the accommodating hole 21, the buffer plug is arranged on one side of the first thread section, namely, the blocking portion 32 is arranged in the rotating direction of the buffer plug 1, the buffer plug 1 is prevented from rotating, and then the buffer plug 1 is fixed.

In some possible embodiments, the elastic arms 31 coincide with the hole walls of the buffer seat 2. One end of the hole wall of the partial buffer seat 2 is disconnected from the hole wall body of the buffer seat 2, and the other end of the hole wall of the buffer seat 2 is fixedly connected with the hole wall body of the accommodating hole 21, so that the end disconnected from the hole wall body of the buffer seat 2 can move between the inside of the accommodating hole 21 and the outside of the accommodating hole 21 to form the elastic arm 31.

In one possible implementation, the elastic member 3 includes an elastic portion disposed at a side away from the inner wall of the cushion socket 2; the first threaded section corresponds to the second unthreaded section 23 when the buffer plug 1 is inserted into the accommodating hole 21, and pushes the elastic part to bend towards the insertion direction of the buffer plug 1; the first thread section is in threaded connection with the second thread section 22 when the buffer plug 1 rotates along the inner wall of the buffer seat 2; the elastic part resets after the buffering stopper 1 rotates along the inner wall of the buffering seat 2, and is arranged on one side of the first thread section.

Optionally, the elastic member 3 is block-shaped, and one end of the elastic member is fixedly connected to the inner side of the buffer seat 2 and protrudes from the inner side of the buffer seat 2. One end of the elastic part 3, which is far away from the inner side of the buffer seat 2, can be bent along the axial direction of the accommodating hole 21, and the elastic part 3 can be bent in the process that the buffer plug 1 is inserted into the accommodating hole 21 and reset after the buffer plug 1 rotates, so that the buffer plug 1 is prevented from rotating, and the buffer plug 1 is fixed.

In one possible implementation, as shown in fig. 3, the buffer plug 1 further includes a buffer cap 14, and the buffer cap 14 is fixed to one end of the buffer post 11 and is disposed outside.

The bumper cap 14 is used to cushion and support the vehicle door. The cushion cap 14 is disposed outside the receiving hole 21 to avoid contact with the cushion socket 2 to avoid vibration transmission.

Optionally, the bumper cap 14 is integrally formed with the bumper post 11, the bumper cap 14 being adapted to contact the vehicle door.

Optionally, the buffer cap 14 has a sleeve hole for the buffer cap 14 to sleeve the outside of one end of the buffer post 11.

In one possible implementation, as shown in fig. 3 and 5, the threads of the first thread section and the second thread section 22 are arranged obliquely so that the cushion plug 1 moves in a direction away from the cushion seat 2 during rotation along the inner wall of the cushion seat 2.

Optionally, the buffer plug 1 is provided with two first threaded sections and two first unthreaded sections 13, the buffer base 2 is provided with two second threaded sections 22 and two second unthreaded sections 23, the threads of the first threaded sections and the second threaded sections 22 are all obliquely arranged, so that the buffer plug 1 can move a preset distance along the direction away from the buffer base 2 in the rotating process, namely when the buffer plug 1 rotates clockwise or anticlockwise for ninety degrees along the buffer plug 1, namely, the distance that the buffer plug 1 protrudes out of the buffer base 2 is increased. The size of the predetermined distance is related to the inclination angles of the threads of the first and second thread segments 22, the larger the inclination angles of the threads of the first and second thread segments 22 are, the larger the predetermined distance is, and vice versa, the smaller the predetermined distance is.

Optionally, the preset distance is not less than 1.5 mm and not more than 3 mm.

Optionally, the preset distance is 2 mm.

In one possible implementation, as shown in fig. 3 and 5, the thread ends of the first thread segments are provided with first thread inclines 15, and the thread ends of the second thread segments 22 are provided with second thread inclines 24; the first thread inclined surfaces 15 slide relative to the second thread inclined surfaces 24 to align the threads of the first thread segments with the threads of the second thread segments 22.

Optionally, in the rotating process of the buffer plug 1, the first thread section and the second thread section 22 can be quickly corresponding to each other by the relative sliding of the first thread inclined surface 15 and the second thread inclined surface 24, so that the first thread section and the second thread section 22 are prevented from colliding, and the rotating efficiency of the buffer plug 1 is further improved.

In one possible implementation, the other end of the thread of the first thread segment, which is far from the first thread inclined surface 15, is provided with a stopper portion 16 that protrudes in the axial direction of the buffer post 11.

The distance between the screw thread of the protruding spacing portion 16 of axial of edge buffering post 11 rather than orientation is less than the distance between two screw threads, and when the screw thread of second screw thread section 22 moved to spacing portion 16 like this, spacing portion 16 can block the screw thread of second screw thread section 22 and continue to rotate now, and then avoids buffer plug 1 to rotate too much, and then guarantees the distance that buffer plug 1 protrudes buffer seat 2.

The beneficial technical effects brought by the technical scheme provided by the embodiment of the application comprise:

through the vehicle door buffering device provided by the embodiment of the application, the first threaded section of the buffering plug 1 corresponds to the second unthreaded section 23 of the buffering seat 2, and the second threaded section 22 of the buffering seat 2 corresponds to the first unthreaded section 13 of the buffering plug 1, so that the buffering plug 1 can be ensured to be inserted into the accommodating hole 21, further the buffering plug 1 can axially move in the accommodating hole 21 along the accommodating hole 21, and the protruding part 12 of the buffering plug 1 compresses the elastic part 3 in the process of inserting the buffering plug 1 into the accommodating hole 21; after the buffer plug 1 rotates, the elastic part 3 resets, and the buffer plug 1 is fixed by blocking the buffer plug 1 to rotate, so that the buffer plug 1 is not easy to loosen and move, the length of the buffer plug 1 protruding out of the buffer seat 2 is ensured, and the stability of connection of the buffer plug 1 and the buffer seat 2 is improved.

According to the same inventive concept, embodiments of the present application also provide a vehicle including the door buffering device of any one of the foregoing embodiments.

Alternatively, the door buffering device is fixed to the vehicle body corresponding to the vehicle tailgate.

The application method of the vehicle door buffer device in the embodiment of the application comprises the following steps:

the buffer plug 1 is inserted into a preset accommodating hole 21 of the buffer base 2, so that the threads of the buffer plug 1 correspond to the guide structure of the buffer base 2, the threads of the buffer base 2 correspond to the guide structure of the buffer plug 1, and the longest length of the buffer plug 1 exposed out of the accommodating hole 21 is ensured; slowly closing the vehicle door (such as a tail gate) at a constant speed, so that the buffer plug 1 moves into the accommodating hole 21; the vehicle door is opened, and the buffer plug 1 is rotated by a preset angle, so that the length of the buffer plug 1 exposed out of the buffer base 2 is increased.

Through the door buffer that this application embodiment provided, only need once close the door just can the clearance of the buffering stopper 1 and the door of all positions of automatic adaptation, for the mode of many times switch door adjustment among the prior art, the door buffer's that this application embodiment provided application method is more convenient, and is more laborsaving, and is simpler, has reduced door buffer's adjustment time.

Those skilled in the art will appreciate that various aspects discussed in this application can be interchanged, modified, combined, or eliminated. Further, aspects having the various aspects already discussed in this application can also be alternated, modified, rearranged, decomposed, combined, or deleted. Further, aspects of the prior art that have been disclosed in this application may also be interchanged, modified, rearranged, decomposed, combined, or eliminated.

In the description of the present application, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present application and for simplicity in description, but do not indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

Throughout the description of the present application, it is to be noted that, unless otherwise expressly specified or limited, the terms "mounted" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.

Claims (10)

1. A vehicle door bumper assembly, comprising:

the buffer plug (1) comprises a buffer column (11), and a protruding part (12) is arranged on the outer side of the buffer column (11) along the axial direction of the buffer column (11);

a cushion base (2) including an accommodating hole (21) penetrating through the cushion base (2);

the elastic piece (3) is arranged on the inner wall of the buffer seat (2);

wherein, the protruding part (12) of the buffer plug (1) is opposite to the elastic part (3) and is inserted into the accommodating hole (21) so as to compress the elastic part (3), the buffer plug (1) rotates along the inner wall of the buffer seat (2) after being inserted into a position, and the elastic part (3) resets after the protruding part (12) is screwed off the elastic part (3) so as to fix the buffer plug (1).

2. The vehicle door buffering device as claimed in claim 1,

the projection (12) is a first thread segment;

a first non-threaded section (13) is further arranged on the outer side of the buffer column (11) along the axial direction of the buffer column (11);

the first threaded section and the first non-threaded section (13) are sequentially and alternately arranged along the periphery of the buffer column (11).

3. The vehicle door buffering device as claimed in claim 2,

a second non-threaded section (22) and a protruding second threaded section (23) are arranged in the buffer seat (2) along the axial direction of the accommodating hole (21);

the second threaded sections (23) and the second unthreaded sections (22) are sequentially and alternately arranged along the inner wall of the buffer seat (2).

4. The vehicle door buffering device as claimed in claim 3,

the second non-threaded section (22) is provided with a concave part corresponding to the accommodating hole (21);

the elastic member (3) includes:

one end of the elastic arm (31) is fixedly connected with the buffer seat (2);

a blocking part (32) fixedly connected to the other end of the elastic arm (31);

the first threaded section corresponds to the second unthreaded section (22) when the buffer plug (1) is inserted into the accommodating hole (21) and pushes the blocking section (32) into the recess so that the elastic arm (31) is compressed; the first thread section is in threaded connection with the second thread section (23) when the buffer plug (1) rotates along the inner wall of the buffer seat (2);

the elastic arm (31) resets after the buffer plug (1) rotates along the inner wall of the buffer seat (2), and the blocking part (32) is conveyed to extend out of the concave part, so that the blocking part (32) is arranged on one side of the first threaded section.

5. The vehicle door buffering device as claimed in claim 3,

the elastic part (3) comprises an elastic part arranged on one side far away from the inner wall of the buffer seat (2);

the first threaded section corresponds to the second unthreaded section (22) when the buffer plug (1) is inserted into the accommodating hole (21), and pushes the elastic part to bend towards the insertion direction of the buffer plug (1); the first thread section is in threaded connection with the second thread section (23) when the buffer plug (1) rotates along the inner wall of the buffer seat (2);

the elastic part resets after the buffer plug (1) rotates along the inner wall of the buffer seat (2), and is arranged on one side of the first thread section.

6. The vehicle door bumper arrangement according to claim 1, characterized in that the bumper plug (1) further comprises:

and the buffer cap (14) is fixed at one end of the buffer column (11) and is arranged outside.

7. The vehicle door buffering device according to claim 4 or 5,

the threads of the first thread section and the second thread section (23) are obliquely arranged, so that the buffer plug (1) moves in the direction far away from the buffer seat (2) in the process of rotating along the inner wall of the buffer seat (2).

8. The vehicle door buffering device as claimed in claim 3,

a first thread inclined surface (15) is arranged at the thread end part of the first thread section, and a second thread inclined surface (24) is arranged at the thread end part of the second thread section (23);

the first thread inclined surfaces (15) and the second thread inclined surfaces (24) slide relative to each other to align the threads of the first thread segments and the threads of the second thread segments (23).

9. The vehicle door buffering device as claimed in claim 8,

the other end of the thread of the first thread section, which is far away from the first thread inclined surface (15), is provided with a limiting part (16) which protrudes along the axial direction of the buffer column (11).

10. A vehicle, characterized by comprising:

a vehicle door impact absorption device as claimed in any one of claims 1 to 9.

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