CN215671660U - Back door limiting device and vehicle - Google Patents

Abstract

The utility model relates to a car door stopper technical field especially relates to a back of body door stop device and vehicle. The back door limiting device comprises a first limiting stopper and a second limiting stopper which are matched with each other, wherein one of the first limiting stopper and the second limiting stopper is arranged on the side of the automobile body, and the other limiting stopper is arranged on the side of the back door; the first stopper comprises a fixing part and a sliding fitting part, the fixing part is used for fixing the first stopper on the vehicle body side or the backdoor side, the sliding fitting part is slidably installed on the fixing part, one end of the sliding fitting part is connected with the fixing part through a buffer part, and the other end of the sliding fitting part is used for abutting against the second stopper when the backdoor is closed. When the backdoor rocks in the bumpy road section, the sliding fitting piece can move for a distance along the fixing piece, the limiting force rises linearly, the situation that the closing force rises sharply cannot be caused, certain extrusion is caused to the buffer piece, the buffer piece can provide larger supporting force to absorb energy, the energy is not directly applied to the backdoor, and abnormal sound is effectively prevented from occurring on the backdoor.

Description

Back door limiting device and vehicle

Technical Field

The utility model relates to a car door stopper technical field especially relates to a back of body door stop device and vehicle.

Background

The back door of car all generally need arrange stop device, and its aim at prevents that the car from opening, closing back door and the in-process of going produces vibrations and sways and arouses the back door and the car after enclose, side wall, back guarantor and the phenomenon of taillight colliding with, appear abnormal sound, fall lacquer and even damage.

The traditional back door limiting device has a fixed structure at the vehicle body side and the vehicle door side, and when the precision of a vehicle body is poor, the compression force of elastic rubber of limiting blocks at the vehicle body side and the vehicle door side can be increased rapidly, so that the closing force of a vehicle back door is increased; when the vehicle runs on a bumpy road, the elastic rubber of the limiting blocks on the door side and the body side is not enough to absorb torsional deformation energy, and abnormal sound on the back door side is easily caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem or at least partially solve the technical problem, the present disclosure provides a tailgate limiting device and a vehicle.

The utility model provides a backdoor limiting device, which comprises a first limiting device and a second limiting device which are matched with each other, wherein one of the first limiting device and the second limiting device is arranged at the side of a vehicle body, and the other limiting device is arranged at the side of a backdoor; the first stopper includes mounting and sliding fit spare, the mounting be used for with first stopper is fixed automobile body side or back of the body door side, sliding fit spare slidable install in on the mounting, just sliding fit spare one end pass through the bolster with the mounting is connected, and the other end is used for supporting when the back of the body door is closed on the second stopper.

Optionally, the second stopper includes the spacing portion of second fixed part and second, the second fixed part be used for with the second stopper is fixed the automobile body side or the back of the body door side, the spacing portion of second is located on the second fixed part, just the spacing portion of second is equipped with the spacing face of second that the slope set up, the spacing face of second be used for when the back of the body door is closed with sliding fit spare cooperation, just the spacing face of second is along keeping away from sliding fit spare's direction slope.

Optionally, the second fixing part is provided with second fixing mechanisms, the number of the second fixing mechanisms is not less than 3, and at least 3 of the second fixing mechanisms are distributed in a triangular shape; the second fixing mechanism comprises a second fixing hole and/or a second plug connector.

Optionally, the mounting includes fixed frame and backplate, fixed frame includes the bounding wall, the bounding wall connects the structure end to end and constructs the both ends open fixed frame, wherein two open ends of fixed frame set up respectively to installation side and sliding fit side, the backplate lock is in the installation side, just be equipped with first fixed establishment on the backplate, the sliding fit side is equipped with first slide mechanism, sliding fit last be equipped with first slide mechanism complex second slide mechanism, the bolster is followed first slide mechanism's extending direction sets up.

Optionally, the first sliding mechanism is disposed obliquely with respect to the mounting side.

Optionally, the inboard of backplate is equipped with first joint piece, be equipped with the second joint piece on the sliding fit spare, first joint piece with the cooperation of second joint piece is used for preventing the sliding fit spare is followed deviate from in the fixed frame.

Optionally, the first sliding mechanism includes two inverted L-shaped engagement blocks formed by extending the enclosing plate outward on the sliding engagement side, and the two engagement blocks are oppositely arranged and form a sliding slot together with the sliding engagement side; the second sliding mechanism comprises sliding blocks arranged on two sides of the sliding fitting piece, and the sliding blocks are arranged in the sliding grooves in a sliding mode.

Optionally, the sliding fit side still is equipped with the shroud, the uncovered and inside formation of one end of shroud is used for holding sliding fit's the chamber that holds, just the open end lock of shroud is in the sliding fit side, the shroud with the confession has been seted up to one side that the initiating terminal of spout corresponds sliding fit male inserted hole, the bolster sets up on the inner wall of shroud.

Optionally, the number of the first fixing mechanisms is not less than 3, and at least 3 the first fixing mechanisms are distributed in a triangular shape, and each first fixing mechanism comprises a first fixing hole and/or a first plug connector.

In addition, the present disclosure also provides a vehicle including the tailgate limiting device according to any one of the above.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

the back door limiting device provided by the embodiment of the disclosure comprises a first limiting stopper and a second limiting stopper which are matched with each other, wherein one of the first limiting stopper and the second limiting stopper is arranged on the vehicle body side, and the other limiting stopper is arranged on the back door side; the first limiting stopper comprises a fixing part and a sliding matching part, the fixing part is used for fixing the first limiting stopper on the automobile body side or the backdoor side, the sliding matching part is installed on the fixing part in a sliding mode, one end of the sliding matching part is connected with the buffering part and the fixing part, and the other end of the sliding matching part is used for abutting against the second limiting stopper when the backdoor is closed. The sliding fit piece and the fixing piece of the car door side limiter or the car body side limiter of the back door side limiter provided by the embodiment of the disclosure adopt a sliding fit connection mode, and a buffer piece is arranged between the sliding fit piece and the fixing piece, when the back door shakes on a bumpy road section, the sliding fit piece can move for a certain distance along the fixing piece, the limiting force linearly rises, the situation that the closing force sharply rises cannot be caused, certain extrusion is caused to the buffer piece, the buffer piece can provide larger supporting force to absorb energy, the acting force is not directly acted on the back door, and abnormal sound is effectively prevented from occurring on the back door.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic structural view of a tailgate limiting device according to an embodiment of the disclosure;

fig. 2 is a schematic structural view of a second stopper according to an embodiment of the disclosure;

FIG. 3 is a schematic view of another orientation of the second stop according to the embodiment of the present disclosure;

FIG. 4 is a left side view of the second stop according to the embodiment of the present disclosure;

FIG. 5 is a sectional view taken along line A-A of FIG. 4;

fig. 6 is a schematic structural view of the first stopper according to the embodiment of the disclosure;

fig. 7 is an exploded view of a first stop according to an embodiment of the disclosure;

fig. 8 is a schematic structural view of a fixing member of the first stopper according to the embodiment of the disclosure;

FIG. 9 is a state diagram of an assembly process of the first stop according to an embodiment of the present disclosure;

fig. 10 is a schematic view of an internal structure of the first stopper according to the embodiment of the disclosure;

fig. 11 is a state diagram illustrating an assembling process of a back plate and a fixing frame of the first stopper according to the embodiment of the disclosure.

Wherein, 1, a first limiter; 2. a second stopper; 101. a fixing member; 102. a sliding fit; 201. a second fixed part; 201a, outside of the second fixing portion; 201b, the inner side of the second fixing part; 202. a second limiting part; 202a and a second limiting surface; 203a and a second plug connector; 203b, a second fixing hole; 1011. a fixed frame; 1011a, the mounting side; 1011b, the sliding fit side; 1011c, a fixture block; 1012. a back plate; 1012a and a card slot; 1012d and a first clamping block; 1013a, a first plug connector; 1013b, a first fixing hole; 102a, a spring fixing point; 102b and a second clamping block; 102c, a slide block; 1014. a cover; 1014a, an insertion port; 1015. a buffer member; 1016. a chute; 1021. an arching portion; 1021a, avoiding holes.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

As shown in fig. 1 to 11, the embodiment of the present disclosure provides a back door limiting device, which includes a first limiter 1 and a second limiter 2 that are matched with each other, wherein one of the first limiter 1 and the second limiter is disposed on a vehicle body side, and the other one is disposed on a back door side; the first stopper 1 includes a fixing member 101 and a sliding engagement member 102, the fixing member 101 is used to fix the first stopper 1 to the vehicle body side or the tailgate side, the sliding engagement member 102 is slidably mounted on the fixing member 101, and one end of the sliding engagement member 102 is connected to the fixing member 101 through a cushion member 1015, and the other end is used to abut against the second stopper 2 when the tailgate is closed.

Specifically, referring to fig. 1 and 10, in some embodiments of the present disclosure, the second stopper 2 is fixed to the vehicle body side, the first stopper 1 is fixed to the tailgate side by a fixing member 101, and a sliding mating part 102 of the first stopper 1 is slidably mounted on the fixing member 101, one end of the sliding mating part 102 is connected to the fixing member 101 by a buffer member 1015, and the other end is used to abut against the second stopper 2 when the tailgate is closed. Therefore, when the first stopper 1 is squeezed, the sliding fitting piece 102 can move for a certain distance first, the limiting force rises linearly, the rapid rising when the stopper is closed cannot be caused, and when the vehicle runs on a bumpy road, the buffer 1015 is squeezed, so that a good energy absorption effect is achieved, and abnormal sound of the backdoor is effectively prevented.

Further, as shown in connection with fig. 2-5, in some embodiments of the present disclosure, the second stopper 2 is L-shaped, wherein the second stopper 2 is functionally divided into a second fixing portion 201 and a second stopper portion 202, an outer side 201a of the second fixing portion 201 is bonded to the vehicle body side for fixing the second stopper 2 to the vehicle body, the second stopper portion 202 is provided on an inner side 201b of the second fixing portion 201, and the inner side surface of the second position-limiting portion 202 is a second position-limiting surface 202a disposed obliquely, that is, the included angle between the second position-limiting surface 202a and the inner side 201b of the second fixing portion 201 is greater than 90 degrees, so that when the backdoor is closed, the first position limiter 1 can well enter the position matched with the second position limiting surface 202a, when the tailgate is closed, the second stopper surface 202a is engaged with the sliding engagement member 102, and the second stopper surface 202a is inclined in a direction away from the sliding engagement member 102.

Further, be equipped with second fixed establishment on second fixed part 201, the quantity of second fixed establishment is no less than 3, and at least 3 second fixed establishment are triangular distribution, and second fixed establishment includes second fixed orifices 203b and/or second plug connector 203 a. Specifically, in some embodiments of the present disclosure, the second fixing mechanism includes one second fixing hole 203b and two second connectors 203a, where the one second fixing hole 203b and the two second connectors 203a are distributed in a triangular shape, so as to prevent the second fixing portion 201 from shaking and rotating with respect to the vehicle body when fixed to the vehicle body side. The automobile body side sets up the spliced eye with second plug connector 203a complex and corresponds the screw hole that sets up with second fixed orifices 203b, and second fixed orifices 203b adopts the counter bore design, when installation second stopper 2, with the spliced eye on inserting the automobile body that second plug connector 203a corresponds, with the screw hole cooperation on the automobile body behind the second fixed orifices 203b with the screw, screw up the back, the screw cap is pressed on the counter bore to it is fixed with the automobile body with second stopper 2. Alternatively, in some other embodiments of the present disclosure, two second fixing holes 203b and one second connector 203a, or 3 second fixing holes 203b may be adopted, or the total number of the second fixing holes 203b or the second connectors 203a may also exceed 3.

Further, as shown in fig. 6 to 8, in some embodiments of the present disclosure, the fixing member 101 includes a fixing frame 1011 and a back plate 1012, the fixing frame 1011 is a frame structure with two open ends, which is surrounded by surrounding plates end to end, wherein the two open ends of the fixing frame 1011 are respectively provided as a mounting side 1011a and a sliding-fit side 1011b, and the back plate 1012 is fastened to the mounting side 1011 a. Specifically, the shape of the fixed frame 1011 is rectangular, the back plate 1012 is a rectangular plate-shaped structure, and the back plate 1012 can be embedded into the fixed frame 1011 at the installation side 1011a of the fixed frame 1011, further, the clamping grooves 1012a are arranged around the fixed frame 1011, the clamping blocks 1011c are arranged on the inner side wall of the fixed frame 1011 near the installation side 1011a, the positions of the clamping blocks 1011c correspond to the clamping grooves 1012a, when the back plate 1012 is embedded into the fixed frame 1011, the clamping blocks 1011c are matched with the clamping grooves 1012a, so that the connection between the back plate 1012 and the fixed frame 1011 is realized. Further, a first fixing mechanism is disposed on the back plate 1012 for fixedly connecting the back plate 1012 with the back door side.

As shown in fig. 8 and 9, the sliding-fit side 1011b of the fixed frame 1011 is provided with a first sliding mechanism, the sliding-fit piece 102 is provided with a second sliding mechanism that fits the first sliding mechanism, and the cushion 1015 is provided along the extending direction of the first sliding mechanism. The sliding engagement piece 102 can squeeze the buffer 1015 in the moving process, and the buffer 1015 has a certain energy absorption effect, so that the situation that the shaking is directly transmitted to the fixed frame 1011 is avoided, and the probability of generating abnormal sound is reduced.

Further, as shown in fig. 1, the first sliding mechanism is provided obliquely with respect to the mounting side 1011a of the fixed frame 1011. Specifically, when the back door is closed, the first stopper 1 is located above the second stopper 2, the lower end of the sliding fit 102 abuts against the second stopper face 202a of the second stopper 2, and the first sliding mechanism is disposed from bottom to top and is inclined in a direction from bottom to top toward the mounting side 1011a of the fixed frame 1011.

Further, as shown in fig. 10 and 11, in some embodiments of the present disclosure, a first engaging block 1012d is disposed on an inner side of the back plate 1012, a second engaging block 102b is disposed on the sliding-fit component 102, and the first engaging block 1012d is engaged with the second engaging block 102b to prevent the sliding-fit component 102 from being removed from the fixing frame 1011. Specifically, the sliding fit piece 102 includes a rectangular frame and an arch portion 1021 formed at one side of the rectangular frame, the other side of the sliding fit piece 102 is open, and the open end is disposed toward the back plate 1012, and the inner wall of the sliding fit piece 102 is provided with the second clamping block 102b, in some embodiments of the present disclosure, one side of the second clamping block 102b is connected with the rectangular frame and the side portion of the inner wall of the arch portion 1021, the other side is connected with the top portion of the inner wall of the arch portion 1021, the number of the second clamping blocks 102b is set to two, and the two clamping blocks are respectively disposed in the direction perpendicular to the second sliding mechanism of the sliding fit piece 102. When the back plate 1012 is buckled and arranged on the installation side 1011a of the fixing frame 1011, the first clamping blocks 1012d correspond to the second clamping blocks 102b one to one, and the first clamping blocks 1012d are positioned on one side of the second clamping blocks 102b departing from the buffer 1015, so as to prevent the sliding matching piece 102 from being separated from the fixing frame 1011 along the direction far away from the buffer 1015. That is, when the first stopper 1 is fixed on the back door, the end of the fixed frame 1011 where the buffer 1015 is arranged is the upper end of the fixed frame 1011, the upper end of the sliding fit piece 102 can abut against the buffer 1015, or the sliding fit piece 102 can be provided with a fixing point fixedly connected with the buffer 1015, then, at this moment, the first clamping block 1012d is located below the second clamping block 102b, so as to prevent the sliding fit piece 102 from coming off from the fixed frame 1011 under the action of gravity or excessively stretching the buffer 1015, thereby affecting the normal use effect.

Further, as shown in fig. 8 to 11, in some embodiments of the present disclosure, the first sliding mechanism includes two inverted L-shaped engagement blocks formed by the fixed frame 1011 extending outward on the sliding engagement side 1011b, the two engagement blocks are disposed on two sides of the fixed frame 1011 parallel to the buffer 1015, and the two engagement blocks are disposed opposite to each other to form two sliding slots 1016 together with the sliding engagement side 1011b of the fixed frame 1011; the two sides of the rectangular frame of the sliding fitting 102 form a slider 102c engaged with the sliding groove 1016, and the sliding fitting 102 is inserted into the fixed frame 1011 through the slider 102c and the sliding groove 1016, so as to realize the movement of the sliding fitting 102 along the extending direction of the sliding groove 1016. Further, the distance between the outermost sides of the two sliders 102c of the sliding engagement piece 102 is equal to the distance between the two slide grooves 1016, so that the sliding engagement piece 102 can be just inserted into the slide grooves 1016 without shaking while moving in the extending direction of the slide grooves 1016.

Further, as described in conjunction with fig. 9, in some embodiments of the present disclosure, the sliding-fit side 1011b of the fixed frame 1011 is further provided with a cover 1014, one end of the cover 1014 is open and an accommodating cavity for accommodating the sliding fit piece 102 is formed inside the cover 1014, the open end of the cover 1014 is fastened to the sliding-fit side 1011b of the fixed frame 1011, an insertion opening 1014a for inserting the sliding fit piece 102 is opened on a side of the cover 1014 corresponding to a starting end of the sliding groove 1016, and the buffer 1015 is disposed on an inner sidewall of the cover 1014. Specifically, in this document, the starting end of the sliding groove 1016 is defined as the end of the sliding groove 1016 far from the buffer 1015, and the tail end of the sliding groove 1016 is defined as the end of the sliding groove 1016 close to the buffer 1015, as shown in fig. 1, that is, the lower end of the sliding groove 1016 is the starting end of the sliding groove 1016, and the upper end of the sliding groove 1016 is the tail end of the sliding groove 1016, so that when the vehicle bumps and the tailgate shakes, the sliding engagement part 102 moves towards the tail end of the sliding groove 1016 along the starting end of the sliding groove 1016 and presses the buffer 1015. The cover 1014 protects the sliding fit piece 102 to a certain extent, so as to prevent the sliding fit piece 102 from being worn by a vehicle body or a vehicle door, the insertion opening 1014a is arranged at the starting end of the sliding groove 1016, so that the sliding fit piece 102 can conveniently enter the fixing piece 101, the side of the cover 1014 opposite to the tail end of the sliding groove 1016 is connected with the fixed frame 1011 to form a closed end, a position is provided for installing the buffer 1015, and the buffer 1015 is arranged on the inner side wall of the closed end of the cover 1014. Specifically, as shown in fig. 7, in some embodiments of the present disclosure, a mounting post is disposed on an inner side wall of the closed end of the cover cap 1014, the buffer 1015 is a spring, a end of the spring is sleeved on the mounting post and is fixedly connected to the mounting post, a spring fixing point 102a is disposed on the sliding fitting member 102, the other end of the spring is connected to the sliding fitting member 102 through the spring fixing point 102a, the spring is generally disposed in a plurality of pieces, and different elastic models can be selected according to different vehicle models.

Further, the insertion opening 1014a is designed as a bevel opening, in some embodiments of the present disclosure, the insertion opening 1014a of the bevel opening is formed by obliquely cutting from the top of the cover 1014 to the side wall of the cover 1014 on the side close to the starting end of the sliding groove 1016, the insertion opening 1014a of the bevel opening facilitates the installation of the sliding fit piece 102, the arch 102a of the sliding fit piece 102 is provided with an avoiding hole 1021a to facilitate the operator to fixedly install the back plate 1012 and the back door side from the avoiding hole 1021a, and the insertion opening 1014a is designed as a bevel opening to facilitate the exposure of the avoiding hole 1021a on the sliding fit piece 102, thereby facilitating the installation of the operator.

The number of the first fixing mechanisms at the outer side of the back plate 1012 is not less than 3, and at least 3 first fixing mechanisms are distributed in a triangular shape, and each first fixing mechanism comprises a first fixing hole 1013b and/or a first plug connector 1013 a.

Specifically, as shown in fig. 7 and 11, in some embodiments of the present disclosure, the first fixing mechanism includes a first fixing hole 1013b and two first plug parts 1013a, the back door is provided with a plug hole matched with the first plug part 1013a and a screw hole corresponding to the first fixing hole 1013b, the first fixing hole 1013b and the second fixing hole 203b are both configured as counter bores, when the first stopper 1 is fixed on the back door, the first plug part is inserted into the plug hole corresponding to the first plug part 1013a, then a screw is passed through the first fixing hole 1013b and screwed to the screw hole on the back door, and after the screw is screwed, a nut is pressed at the first fixing hole 1013b to fixedly mount the fixing member 101 to the back door side. Of course, in other embodiments of the present disclosure, the first fixing mechanism may further include two first fixing holes 1013b and one first plug 1013a, or include three first fixing holes 1013b, or the number of the first fixing mechanisms may be greater than 3.

When the first stopper 1 is installed, the sliding fit piece 102 is first inserted into the fixing piece 101 from the insertion opening 1014a, wherein the sliding block 102c on the sliding fit piece 102 is in sliding fit with the sliding groove 1016 on the fixing piece 101, then the back plate 1012 is buckled on the installation side 1011a of the fixing frame 1011, and the first buckling block 1012d on the inner side of the back plate 1012 is ensured to be positioned on the side of the second buckling block 102b departing from the buffer 1015. After the first stopper 1 is assembled, the first stopper 1 is fixed to the tailgate by using screws.

In addition, in order to further absorb the energy generated by the vehicle in the bumpy road section, the material of the second position-limiting portion 202 of the second position-limiting device 2 is made of a material with elasticity, such as rubber, silicon gel, or the like, or an elastic buffer layer is additionally arranged on the second position-limiting surface 202 a.

Further, in some embodiments of the present disclosure, there is also provided a vehicle including any of the above tailgate limiting devices. Wherein first stopper 1 can be fixed in automobile body side, and second stopper 2 can be fixed in back of the body door side, and perhaps, first stopper 1 is fixed in back of the body door side, and second stopper 2 is fixed in automobile body side. When the first stopper 1 is extruded, the first sliding fitting piece 102 can move for a distance first, the limiting force rises linearly, the rapid rising condition during closing cannot be caused, and when the vehicle runs on a bumpy road surface, the buffer 1015 receives the extrusion, so that a good energy absorption effect is achieved, and abnormal sound is effectively prevented from occurring on the backdoor.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The back door limiting device is characterized by comprising a first limiting stopper (1) and a second limiting stopper (2) which are matched with each other, wherein one of the first limiting stopper (1) and the second limiting stopper (2) is arranged on the side of a vehicle body, and the other one is arranged on the side of a back door; first stopper (1) includes mounting (101) and sliding fit piece (102), mounting (101) are used for with first stopper (1) is fixed automobile body side or back door side, sliding fit piece (102) slidable install in on mounting (101), just sliding fit piece (102) one end pass through bolster (1015) with mounting (101) are connected, and the other end is used for supporting when the back door is closed on second stopper (2).

2. The tailgate limit device according to claim 1, characterized in that the second limit stop (2) comprises a second fixing portion (201) and a second limit portion (202), the second fixing portion (201) is used for fixing the second limit stop (2) on the vehicle body side or the tailgate side, the second limit portion (202) is provided on the second fixing portion (201), and the second limit portion (202) is provided with a second limit surface (202a) arranged obliquely, the second limit surface (202a) is used for cooperating with the sliding fitting (102) when the tailgate is closed, and the second limit surface (202a) is inclined in a direction away from the sliding fitting (102).

3. The tailgate limiting device according to claim 2, wherein a second fixing mechanism is arranged on the second fixing part (201), the number of the second fixing mechanisms is not less than 3, and at least 3 of the second fixing mechanisms are distributed in a triangular shape; the second fixing mechanism comprises a second fixing hole (203b) and/or a second plug piece (203 a).

4. The tailgate limiting device according to any one of claims 1-3, wherein the fixing member (101) comprises a fixing frame (1011) and a back plate (1012), the fixing frame (1011) comprises surrounding plates, the surrounding plates are connected end to form the fixing frame (1011) with two open ends, the two open ends of the fixing frame (1011) are respectively arranged as a mounting side (1011a) and a sliding fit side (1011b), the back plate (1012) is buckled on the mounting side (1011a), a first fixing mechanism is arranged on the back plate (1012), a first sliding mechanism is arranged on the sliding fit side (1011b), a second sliding mechanism matched with the first sliding mechanism is arranged on the sliding fit piece (102), and the buffer member (1015) is arranged along the extending direction of the first sliding mechanism.

5. Tailgate-stopping device according to claim 4, characterized in that the first sliding mechanism is arranged obliquely in relation to the mounting side (1011 a).

6. The tailgate limit device according to claim 4, characterized in that a first clamping block (1012d) is arranged on the inner side of the back plate (1012), a second clamping block (102b) is arranged on the sliding fitting piece (102), and the first clamping block (1012d) is matched with the second clamping block (102b) for preventing the sliding fitting piece (102) from being released from the fixed frame (1011).

7. The tailgate stop according to claim 4, characterized in that the first sliding mechanism comprises two inverted L-shaped engagement blocks formed by the fixed frame (1011) extending outwardly on the sliding engagement side (1011b), the two engagement blocks being disposed opposite to each other and forming a sliding groove (1016) together with the sliding engagement side (1011 b); the second sliding mechanism comprises sliding blocks (102c) arranged at two sides of the sliding fitting piece (102), and the sliding blocks (102c) are arranged in the sliding grooves (1016) in a sliding mode.

8. The tailgate limiting device according to claim 7, wherein the sliding fit side (1011b) is further provided with a cover cap (1014), one end of the cover cap (1014) is open, an accommodating cavity for accommodating the sliding fit piece (102) is formed inside the cover cap, the open end of the cover cap (1014) is buckled on the sliding fit side (1011b), an insertion opening (1014a) for inserting the sliding fit piece (102) is formed in one side of the cover cap (1014) corresponding to the starting end of the sliding groove (1016), and the buffer member (1015) is arranged on the inner wall of the cover cap (1014).

9. The tailgate stop according to claim 4, characterized in that the number of said first fixing means is not less than 3, and at least 3 of said first fixing means are triangularly distributed, said first fixing means comprising first fixing holes (1013b) and/or first connectors (1013 a).

10. A vehicle comprising a tailgate restraint according to any of claims 1-9.

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