CN218206267U

CN218206267U - Back door limiting structure and vehicle

Info

Publication number: CN218206267U
Application number: CN202221669024.2U
Authority: CN
Inventors: 王维松; 赵浩杰; 李海鹏; 侯福增
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2023-01-03
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a back door limit structure and vehicle, back door limit structure includes: automobile body locating part, automobile body locating part includes: a vehicle body mounting portion and a vehicle body limiting portion; back door spacer, back door spacer includes: the automobile body limiting part and the back door limiting part are respectively a limiting protrusion and a limiting groove, and the limiting protrusion is in interference fit with the limiting groove; the elastic limiting assembly is arranged between the vehicle body installation part and the vehicle body limiting part. So, can restrict automobile body locating part and back door spacing piece relative displacement in upper and lower direction, be difficult for producing relative displacement in front and back direction and left and right sides direction in addition, be provided with the spacing subassembly of elasticity between automobile body installation department and the spacing portion of automobile body in addition, can restrict the relative automobile body of back door and take place the displacement, effectively improve the stability of being connected between automobile body and the back door, avoid back door lock striking and sealing strip friction abnormal sound problem.

Description

Back door limiting structure and vehicle

Technical Field

The utility model belongs to the technical field of the vehicle technique and specifically relates to a back door limit structure and vehicle are related to.

Background

At present, with the development of technology, users have made higher demands on various aspects of the performance of vehicles, and the back doors of the vehicles are important components of the vehicles as opening and closing members. However, the vehicle is when jolting the road surface and traveling, and relative displacement can take place for back door and automobile body, if relative displacement is too big probably leads to back door and rear bumper to take place to collide with, and back door and automobile body relative motion also can lead to the sealing strip friction abnormal sound problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a back door limit structure, this back door limit structure can effectively improve the stability of being connected between automobile body and the back door, restraines the relative aversion between back door and the automobile body better, avoids back door lock striking and sealing strip friction abnormal sound problem to can promote the whole quality of vehicle.

The utility model discloses a vehicle is further proposed.

According to the utility model discloses a back door limit structure, include: the automobile body locating part, the automobile body locating part includes: the automobile body limiting part is arranged on the automobile body mounting part; a back door threshold piece, said back door threshold piece comprising: the back door comprises a back door mounting part and a back door limiting part, wherein the back door mounting part is used for being mounted on a back door, the back door limiting part is arranged on the back door mounting part, one of the vehicle body limiting part and the back door limiting part is a limiting bulge, the other one of the vehicle body limiting part and the back door limiting part is a limiting groove, and the limiting bulge is in interference fit with the limiting groove; the elastic limiting assembly is arranged between the vehicle body mounting part and the vehicle body limiting part.

According to the utility model discloses a back door limit structure, through the interference fit between spacing arch and the spacing recess, can restrict the relative aversion of automobile body locating part and back door locating part in upper and lower side, and be difficult for producing the relative aversion in front and back direction and left and right sides direction, and be provided with the spacing subassembly of elasticity between the spacing portion of automobile body installation department and automobile body, can restrict the relative automobile body of back door and take place the displacement, thereby can effectively improve the stability of being connected between automobile body and the back door, avoid back door lock striking and sealing strip friction abnormal sound problem, thereby can promote the whole quality of vehicle.

In some examples of the invention, the limiting protrusion is configured as a wedge-shaped protrusion, and the limiting groove is correspondingly configured as a wedge-shaped groove; or the limiting protrusion is a trapezoid protrusion, and the limiting groove is correspondingly a trapezoid groove.

In some examples of the present invention, the interference amount between the limiting protrusion and the limiting groove presents an increasing trend in a direction extending from the notch of the limiting groove to the bottom of the groove.

In some examples of the present invention, the number of the limiting protrusions is at least two, the number of the limiting grooves is at least two, the number of the limiting protrusions is at least two, and the limiting grooves are in one-to-one limiting fit.

In some examples of the present invention, the back door mounting portion is provided with a first mounting hole and a second mounting hole spaced from each other at an upper portion and a lower portion, and one of the first mounting hole and the second mounting hole is a circular hole and the other is an elliptical hole or an oblong hole.

In some examples of the present invention, the vehicle body mounting portion is provided with a third mounting hole and a fourth mounting hole spaced from each other at an upper portion and a lower portion, and the third mounting hole and the fourth mounting hole are elliptical holes or oblong holes.

In some examples of the present invention, a bushing is disposed in the third mounting hole and/or the fourth mounting hole.

In some examples of the invention, the elastic limiting component comprises: the elastic part is connected between the first supporting plate and the second supporting plate, the deformation direction of the elastic part is the same as the movement direction of the back door limiting part relative to the car body limiting part, and the second supporting plate is arranged on the car body limiting part.

In some examples of the present invention, the first supporting plate is vulcanized and connected to the vehicle body mounting portion, the second supporting plate is vulcanized and connected to the vehicle body limiting portion, and the elastic member is respectively fixedly connected to the first supporting plate and the second supporting plate.

According to the utility model discloses a vehicle, include: a vehicle body; the back door is arranged on the vehicle body in an openable and closable manner; and the back door limiting structure, the vehicle body installation part is installed on the vehicle body, and the back door installation part is installed on the back door.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention 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 tailgate limiting structure according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a tailgate limiting structure according to an embodiment of the invention;

FIG. 3 is a schematic view of the installation of the body restraint and the resilient restraint assembly;

FIG. 4 is a plan view of the tailgate spacer;

fig. 5 is a partial structural schematic view of a vehicle according to another embodiment of the present invention.

Reference numerals:

1. a back door limiting structure;

10. a vehicle body limiting part; 11. a vehicle body mounting portion; 110. a third mounting hole; 111. a fourth mounting hole; 12. a vehicle body limiting part; 13. a bushing; 20. a tailgate spacer; 21. a back door mounting section; 210. a first mounting hole; 211. a second mounting hole; 22. a back door positioning part; 30. an elastic limiting component; 31. a first support plate; 32. an elastic member; 33. A second support plate; 2. a vehicle; 40. a vehicle body.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

A tailgate limiting structure 1 according to an embodiment of the present invention is described below with reference to fig. 1 to 5, and the tailgate limiting structure 1 is provided on a vehicle 2, and mainly suppresses relative displacement between a tailgate and a vehicle body 40.

As shown in fig. 1 and 5, the tailgate limiting structure 1 according to the embodiment of the present invention includes: a body restraint 10, a tailgate restraint 20, and a resilient restraint assembly 30. The vehicle body limiting piece 10 can play a limiting role, the vehicle body limiting piece 10 is generally installed on a vehicle body 40, the back door limiting piece 20 can also play a limiting role, and the back door limiting piece 20 is generally installed on a back door, so that the relative displacement between the back door and the vehicle body 40 can be inhibited through the limiting matching of the vehicle body limiting piece 10 and the back door limiting piece 20. The elastic limiting component 30 can provide elastic restoring force according to its own elastic performance, so as to perform the elastic limiting function.

As shown in fig. 2 and 3, the vehicle body limiting member 10 includes: the vehicle body limiting part 12 is arranged on the vehicle body mounting part 11, so that the vehicle body mounting part 11 and the vehicle body limiting part 12 can form an integrated structure, the whole mounting and arrangement of the vehicle body limiting part 10 are facilitated, the vehicle body mounting part 11 can play a mounting role, and the vehicle body mounting part 11 is used for being mounted on a vehicle body 40, so that the vehicle body limiting part 10 can act on the vehicle body 40, and the relative displacement between the back door and the vehicle body 40 is facilitated to be inhibited.

As shown in fig. 4, the tailgate spacer 20 comprises: back door installation department 21 and back door spacing part 22, back door spacing part 22 sets up on back door installation department 21, back door installation department 21 and back door spacing part 22 can form a body structure like this, be convenient for the integral erection and the setting of back door spacing part 20, back door installation department 21 can play the effect of installation, back door installation department 21 is used for installing on the back door, back door spacing part 20 can act on the back door like this, be convenient for restrain the relative displacement between back door and the automobile body 40.

As shown in fig. 2 to 4, one of the vehicle body restraining part 12 and the back door restraining part 22 is a restraining protrusion, and the other of the vehicle body restraining part 12 and the back door restraining part 22 is a restraining groove, and the restraining protrusion is in interference fit with the restraining groove. One of the vehicle body limiting part 12 and the back door limiting part 22 is set to be a limiting protrusion, and the other is set to be a limiting groove, so that the structure of the limiting protrusion and the limiting groove is simple, the manufacturing and the setting are convenient, and the limiting matching between the vehicle body limiting part 10 and the back door limiting part 20 is convenient. The limiting protrusion is in interference fit with the limiting groove, that is, through the fit between the limiting protrusion and the limiting groove, not only can the relative displacement of the vehicle body limiting part 10 and the back door limiting part 20 in the up-down direction be limited, but also the degree of fit of the vehicle body limiting part 10 and the back door limiting part 20 in the front-back direction and the left-right direction can be increased, so that the relative displacement of the vehicle body limiting part 10 and the back door limiting part 20 in the front-back direction and the left-right direction is not easy to generate.

As shown in fig. 2 and 3, the elastic stopper member 30 is provided between the vehicle body mounting portion 11 and the vehicle body stopper portion 12. When the back door is displaced relative to the vehicle body 40, the back door spacing part 22 can cause pulling or compressive acting force to the vehicle body spacing part 12, so the vehicle body spacing part 12 can transmit the acting force to the elastic spacing component 30, the elastic spacing component 30 generates certain stretching or compression deformation, the elastic spacing component 30 has elastic restoring force when stretching or compression deformation, so the elastic spacing component 30 can provide the acting force in the opposite direction of the vehicle body spacing part 12, the spacing bulge is in interference fit with the spacing groove, so the acting force can also act on the back door spacing part 22 at the same time, thereby the back door can be limited to be displaced relative to the vehicle body 40, and the spacing stability between the vehicle body installation part 11 and the vehicle body spacing part 12 is improved. Since the vehicle body stopper portion 12 is fixed to the vehicle body mounting portion 11, when the vehicle body stopper portion 12 transmits an acting force to the elastic stopper assembly 30, the elastic stopper assembly 30 is slightly deformed, and therefore, the elastic rigidity of the elastic stopper assembly 30 needs to be sufficiently high.

From this, through interference fit between spacing arch and the spacing recess, can restrict automobile body locating part 10 and back door locating part 20 relative displacement in upper and lower side, and be difficult for producing relative displacement in front and back direction and left and right sides, and be provided with the spacing subassembly 30 of elasticity between automobile body installation department 11 and the spacing portion 12 of automobile body, can restrict the relative automobile body 40 of back door and take place the displacement, thereby can effectively improve the stability of being connected between automobile body 40 and the back door, avoid back door lock striking and sealing strip friction abnormal sound problem, thereby can promote vehicle 2's whole quality.

As shown in fig. 2 and 3, the limiting protrusion is a wedge-shaped protrusion, and the limiting groove is a wedge-shaped groove, or the limiting protrusion is a trapezoid protrusion, and the limiting groove is a trapezoid groove. Construct spacing arch for wedge arch, spacing recess needs to construct for wedge recess correspondingly like this, and the structure of wedge arch and wedge recess is comparatively simple, the preparation and the setting of being convenient for, and the wedge arch is simple and convenient when cooperating in wedge recess moreover. Of course, the limiting protrusion can be also constructed as a trapezoidal protrusion, correspondingly, the limiting groove needs to be constructed as a trapezoidal groove, understandably, the trapezoidal protrusion and the limiting groove are both provided with a plurality of contact surfaces in different directions, and when the limiting protrusion and the limiting groove are matched, the contact surfaces in different directions are in interference fit, so that the degree of matching between the vehicle body limiting part 10 and the rear threshold limiting part 20 can be further improved.

Further, in a direction extending from the notch of the stopper groove toward the groove bottom, the amount of interference between the stopper projection and the stopper groove presents an increasing tendency. It should be noted that, in the direction extending from the notch of the limiting groove to the bottom of the groove, the interference between the limiting protrusion and the limiting groove is gradually increased from 0.2mm to 0.7mm, so that the limiting protrusion and the limiting groove are more closely matched, the friction and the pretightening force between the limiting protrusion and the limiting groove are increased, the connection stability between the vehicle body 40 and the back door is improved, and the relative motion between the vehicle body and the back door is reduced.

In addition, as shown in fig. 1 to 4, the number of the limiting protrusions is at least two, the number of the limiting grooves is at least two, and the at least two limiting protrusions and the at least two limiting grooves are in one-to-one corresponding limiting fit. At least two limiting protrusions and at least two limiting grooves are arranged, so that the at least two limiting protrusions and the at least two limiting grooves can be in one-to-one limiting fit, the fit between the vehicle body limiting part 10 and the back door limiting part 20 is firmer, the connection stability between the vehicle body 40 and the back door is improved, and the relative motion between the vehicle body limiting part and the back door is reduced.

As shown in fig. 4, the back door mounting part 21 is characterized in that a first mounting hole 210 and a second mounting hole 211 are formed at an interval from top to bottom, one of the first mounting hole 210 and the second mounting hole 211 is a circular hole, and the other of the first mounting hole 210 and the second mounting hole 211 is an elliptical hole or an oblong hole. The first mounting hole 210 and the second mounting hole 211 are mainly used for mounting, the back door mounting part 21 can be fixed on the back door through the first mounting hole 210 and the second mounting hole 211, and the first mounting hole 210 and the second mounting hole 211 are arranged at intervals from top to bottom, so that interference generated when the first mounting hole 210 and the second mounting hole 211 are mounted can be avoided, and the mounting of the back door mounting part 21 can be firmer and more stable. One of the first mounting hole 210 and the second mounting hole 211 is provided as a circular hole, and the other is provided as an elliptical hole or an oblong hole, and when the back door mounting part 21 is mounted to the back door, the elliptical hole can absorb tolerance, that is, can be adjusted, so that the back door mounting part 21 can be mounted to the back door conveniently.

According to an optional embodiment of the present invention, as shown in fig. 2 and 3, a third mounting hole 110 and a fourth mounting hole 111 are provided on the body mounting portion 11, and are spaced from each other up and down, and the third mounting hole 110 and the fourth mounting hole 111 are both elliptical holes or oblong holes. The third mounting hole 110 and the fourth mounting hole 111 are mainly used for mounting, the vehicle body mounting portion 11 can be fixed on the vehicle body 40 through the third mounting hole 110 and the fourth mounting hole 111, and the third mounting hole 110 and the fourth mounting hole 111 are arranged at intervals up and down, so that interference generated when the third mounting hole 110 and the fourth mounting hole 111 are mounted can be avoided, and the mounting of the vehicle body mounting portion 11 can be firmer and more stable. And third mounting hole 110 and fourth mounting hole 111 are oval hole or oval hole, so the automobile body installation department 11 of being convenient for adjusts, and automobile body installation department 11 can move up and down and adjust the interference volume with back door installation department 21 to can make spacing cooperation more accurately of automobile body spacing portion 12 and back door spacing portion 22.

As shown in fig. 2 and 3, a bushing 13 is provided in the third mounting hole 110 and/or the fourth mounting hole 111. The provision of the bushing 13 in the third mounting hole 110 and/or the fourth mounting hole 111 can improve the structural strength at the third mounting hole 110 and/or the fourth mounting hole 111, and can reduce wear at the third mounting hole 110 and/or the fourth mounting hole 111 when the fastener is fixed to the vehicle body 40 through the third mounting hole 110 and/or the fourth mounting hole 111, so that the mounting reliability between the vehicle body mounting portion 11 and the vehicle body 40 can be improved.

Alternatively, as shown in fig. 2 and 3, the elastic stopper assembly 30 includes: the vehicle body limiting part comprises a first supporting plate 31, an elastic member 32 and a second supporting plate 33, wherein the first supporting plate 31 is arranged on the vehicle body installation part 11, the elastic member 32 is connected between the first supporting plate 31 and the second supporting plate 33, the deformation direction of the elastic member 32 is the same as the movement direction of the back door limiting part 22 relative to the vehicle body limiting part 12, and the second supporting plate 33 is arranged on the vehicle body limiting part 12. The first support plate 31 and the second support plate 33 can both perform supporting and connecting functions, the elastic member 32 can provide elastic restoring force, the first support plate 31 is arranged on the vehicle body installation part 11, the second support plate 33 is arranged on the vehicle body limiting part 12, the elastic limiting component 30 can be arranged between the vehicle body installation part 11 and the vehicle body limiting part 12, the elastic member 32 is connected between the first support plate 31 and the second support plate 33, the connection of the elastic member 32 is convenient, the acting force of the vehicle body limiting part 12 can be transmitted to the elastic member 32 through the first support plate 31, the elastic member 32 deforms to transmit the acting force to the second support plate 33, the second support plate 33 supports the elastic member 32, the elastic member 32 can reversely deform to provide reverse acting force to the vehicle body limiting part 12 and the back door limiting part 22, in addition, the deformation direction of the elastic member 32 is the same as the movement direction of the back door part 22 relative to the vehicle body limiting part 12, when the elastic member 32 reversely deforms to provide reverse acting force, the back door part 22 moves to the opposite direction relative to the vehicle body limiting part 12, the movement of the back door limiting part 22 can be limited, and the relative movement of the vehicle body limiting part 11 can be lifted back door limiting part 11 and the vehicle body limiting door limiting part can be lifted up to the stability after the vehicle body limiting part 11.

In addition, the first supporting plate 31 is vulcanized and connected to the vehicle body mounting portion 11, the second supporting plate 33 is vulcanized and connected to the vehicle body limiting portion 12, and both ends of the elastic member 32 are respectively fixedly connected to the first supporting plate 31 and the second supporting plate 33. Elastic component 32's deformation range is less, but the effort of elastic component 32 between 11 and the spacing portion 12 of automobile body with the automobile body is bigger, first backup pad 31 and second backup pad 33 are the sheet metal component, can promote the structural strength of first backup pad 31 and second backup pad 33 like this, and vulcanize first backup pad 31 and connect on automobile body installation department 11, second backup pad 33 vulcanizes and connects on the spacing portion 12 of automobile body, it is required to explain, the sheet metal component can promote wearability and joint strength after vulcanizing, it is not fragile, the effort is when the transmission like this, first backup pad 31 and second backup pad 33 are not fragile, and certain connection stability has. And the two ends of the elastic member 32 can be fixedly connected to the first support plate 31 and the second support plate 33 by welding, so that the elastic member 32 can be fixedly connected to the first support plate 31 and the second support plate 33, and the connection stability of the elastic member 32 with the first support plate 31 and the second support plate 33 is ensured.

As shown in fig. 5, a vehicle 2 according to an embodiment of the present invention includes: the vehicle body 40, the back door and the back door limiting structure 1 of the above embodiment, the back door is arranged on the vehicle body 40 in an openable and closable manner, the vehicle body installation part 11 is installed on the vehicle body 40, and the back door installation part 21 is installed on the back door. So, can effectively improve the stability of being connected between automobile body 40 and the back door, restrain the relative aversion between back door and the automobile body 40 better, avoid back door lock striking and sealing strip friction abnormal sound problem to can promote vehicle 2's whole quality.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, "on", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the first feature is higher in level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A tailgate threshold structure (1), characterized in that it comprises:

a body stop (10), the body stop (10) comprising: the automobile body limiting device comprises an automobile body mounting part (11) and an automobile body limiting part (12), wherein the automobile body mounting part (11) is used for being mounted on an automobile body (40), and the automobile body limiting part (12) is arranged on the automobile body mounting part (11);

a back door barrier (20), the back door barrier (20) comprising: the back door comprises a back door installation part (21) and a back door spacing part (22), wherein the back door installation part (21) is used for being installed on a back door, the back door spacing part (22) is arranged on the back door installation part (21), one of the vehicle body spacing part (12) and the back door spacing part (22) is a spacing protrusion, the other one of the vehicle body spacing part and the back door spacing part is a spacing groove, and the spacing protrusion is in interference fit with the spacing groove;

spacing subassembly of elasticity (30), spacing subassembly of elasticity (30) set up in automobile body installation department (11) with between spacing portion of automobile body (12).

2. A tailgate threshold structure (1) according to claim 1, characterized in that the threshold protrusions are configured as wedge-shaped protrusions and the threshold recesses are correspondingly configured as wedge-shaped recesses; or

The limiting protrusion is a trapezoid protrusion, and the limiting groove is a trapezoid groove correspondingly.

3. A tailgate threshold structure (1) according to claim 2, characterized in that the amount of interference between the limiting protrusion and the limiting groove is increasing in the direction extending from the notch of the limiting groove to the groove bottom.

4. The back door limiting structure (1) according to claim 1, wherein the number of the limiting protrusions is at least two, the number of the limiting grooves is at least two, and the at least two limiting protrusions are in one-to-one limiting fit with the at least two limiting grooves.

5. A back door threshold structure (1) according to claim 1, wherein the back door mounting part (21) is provided with a first mounting hole (210) and a second mounting hole (211) spaced up and down, one of the first mounting hole (210) and the second mounting hole (211) is a circular hole and the other is an elliptical hole or an oblong hole.

6. A tailgate limit structure (1) according to claim 1, characterized in that the body mount (11) is provided with a third mounting hole (110) and a fourth mounting hole (111) spaced up and down, and the third mounting hole (110) and the fourth mounting hole (111) are both elliptical holes or oblong holes.

7. A back door threshold structure (1) according to claim 6, characterized in that a bushing (13) is provided in the third mounting hole (110) and/or the fourth mounting hole (111).

8. A tailgate threshold structure (1) according to claim 1, characterized in that the elastic limiting member (30) comprises: the automobile body limiting part comprises a first supporting plate (31), an elastic piece (32) and a second supporting plate (33), wherein the first supporting plate (31) is arranged on the automobile body installing part (11), the elastic piece (32) is connected between the first supporting plate (31) and the second supporting plate (33), the deformation direction of the elastic piece (32) is the same as the movement direction of the rear back door limiting part (22) relative to the automobile body limiting part (12), and the second supporting plate (33) is arranged on the automobile body limiting part (12).

9. A tailgate threshold structure (1) according to claim 8, characterized in that the first support plate (31) is vulcanised to the body mounting section (11), the second support plate (33) is vulcanised to the body limiting section (12), and the elastic members (32) are fixedly connected to the first support plate (31) and the second support plate (33), respectively.

10. A vehicle (2), characterized by comprising:

a vehicle body (40);

a back door openably and closably provided on the vehicle body (40); and

a tailgate threshold structure (1) according to any of claims 1-9 wherein said body mount (11) is mounted on said body (40) and said tailgate mount (21) is mounted on said tailgate.