CN217320003U - Back door assembly and vehicle - Google Patents

Back door assembly and vehicle Download PDF

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Publication number
CN217320003U
CN217320003U CN202220639162.XU CN202220639162U CN217320003U CN 217320003 U CN217320003 U CN 217320003U CN 202220639162 U CN202220639162 U CN 202220639162U CN 217320003 U CN217320003 U CN 217320003U
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Prior art keywords
plate
back door
assembly
reinforcing
inner plate
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CN202220639162.XU
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Chinese (zh)
Inventor
丁伟朋
郑轩
苟黎刚
李鹏超
张俊
廖慧红
尹道志
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Zhejiang Geely Holding Group Co Ltd
Geely Automobile Research Institute Ningbo Co Ltd
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Zhejiang Geely Holding Group Co Ltd
Geely Automobile Research Institute Ningbo Co Ltd
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Abstract

The utility model provides a back door assembly and vehicle belongs to vehicle back door technical field. This back door assembly includes: the inner plate assembly comprises an inner plate body and a plurality of support reinforcing structures, one side of each support reinforcing structure is attached to and fixedly connected with the inner plate body, and at least one extending supporting leg is arranged on the other side of each support reinforcing structure; and the outer plate assembly is connected with the supporting legs of each supporting reinforcing structure through adhesive, and each supporting reinforcing structure is arranged at the position where the dent resistance strength of the outer plate assembly is smaller than a preset value. The utility model also provides a vehicle including above-mentioned back door assembly. The utility model discloses a back door assembly and vehicle can improve the anti concave performance of planking assembly.

Description

Back door assembly and vehicle
Technical Field
The utility model relates to a vehicle back door technical field especially relates to a back door assembly and vehicle.
Background
With the improvement of living standards of people and the development of the automobile industry, people have higher and individualized requirements on the configuration and the shape of automobiles, such as the application of a back door penetrating type tail lamp and the large-curved-surface design of a back door outer plate shape. The through tail lamp brings the loss of the overall bending rigidity of the back door and the anti-concavity challenge brought by the modeling characteristics of the outer plate, the new difficulty is brought to the overall structural design of the back door, and the current difficulty is that how to design the back door structure which meets the performance and is reliable on the premise of conforming to the modeling.
When the rear door is installed, the thickness of the inner plate and the middle reinforcing plate is increased in order to solve the problem that the overall bending rigidity of the rear door is reduced due to installation of the through tail lamp.
In order to solve the problem of dent resistance of the outer plate of the back door, reinforcing films and modes of increasing the thickness of the outer plate or supporting the inner plate in the area nearby are generally adopted, the former two methods are flexible but high in cost, the improvement efficiency is low, the manufacturing cost is directly increased, the latter inner plate is used for supporting, a supporting structure is designed by utilizing the inner plate perforated material, the positions and the sizes of the openings of the limited inner plate are limited, the supporting position of the designed supporting structure is inflexible, and the supporting structure is difficult to support at the weakest position. Therefore, there is a high necessity for a back door structure capable of coping with the problems of reduction in bending rigidity of the back door, deterioration in performance, and failure in the outer panel dent resistance due to the installation of the through tail lamp.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a back door assembly can improve the anti concave performance of planking assembly.
The utility model discloses a another purpose promotes the flexibility ratio of support position design.
The utility model discloses a further one is to make the holistic bending stiffness of back door assembly obtain promoting to make technology convenient to assemble and size easily control.
An object of the second aspect of the present invention is to provide a vehicle including the above-mentioned back door assembly.
Particularly, the utility model provides a back door assembly includes:
the inner plate assembly comprises an inner plate body and a plurality of support reinforcing structures, wherein one side of each support reinforcing structure is attached and fixedly connected with the inner plate body, and the other side of each support reinforcing structure is provided with at least one extended supporting leg; and
and the outer plate assembly is connected with the supporting legs of each supporting reinforcing structure through adhesive, and each supporting reinforcing structure is arranged at the position where the dent resistance strength of the outer plate assembly is smaller than a preset value.
Optionally, the inner plate body comprises an upper inner plate part and a lower inner plate part which are arranged at a preset angle and arranged up and down, and a window frame opening is formed in the middle of the upper inner plate part; the outer plate assembly is the same as the inner body in trend and comprises an upper outer plate and a lower outer plate.
Optionally, it is a plurality of the support additional strengthening includes two middle part reinforcing plates, connect respectively in the ascending both sides of width direction of inner panel body, each the middle part reinforcing plate all includes bend main board portion and horizontal convex part and be "T" shape, the middle part reinforcing plate set up in go up the inner panel portion with the junction of inner panel portion down, and each horizontal convex part all extends along the horizontal just direction that is close to each other of vehicle.
Optionally, the middle stiffener plate and the inner plate body form a cavity structure.
Optionally, the back door assembly further comprises:
the stay bar bracket and the limiting block are both positioned on one side of the inner plate body away from the outer plate assembly;
the upper end of the bending main body part extends to the mounting position of the support rod bracket, the lower end of the bending main body part extends to the mounting position of the limiting block, the bending main body part is further provided with mounting points of the support rod bracket and the limiting block and used for mounting a fastener together with the internal body so as to connect the support rod bracket and the limiting block, and the lower part of the bending main body part is further provided with a first supporting leg which is fixed with the lower outer plate through viscose; the end of the lateral protrusion exceeds the corner of the sash opening close to itself.
Optionally, a plurality of the support reinforcing structures further comprises:
hinge reinforcing plates arranged at two sides of one end of the upper inner plate part far away from the lower inner plate part, wherein one ends of the two hinge reinforcing plates close to each other are provided with second supporting legs extending towards the upper outer plate, and the top ends of the second supporting legs are used for coating adhesive and are bonded with the upper outer plate
Optionally, a plurality of the support reinforcing structures further comprises:
the lock mounting panel sets up in the middle part on the top of lower inner panel portion, the bottom of lock mounting panel is provided with a plurality of orientations the third supporting legs that the planking stretches out down, the top of third supporting legs be used for coating the viscose and with the planking bonds down.
Optionally, a plurality of the support reinforcing structures further comprises:
the wiper mounting panel sets up in the middle part of the bottom of lower inner plate portion, the top of wiper mounting panel, the both sides at middle part are provided with the fourth supporting legs, the top of fourth supporting legs be used for the coating viscose and with planking bonding down.
Optionally, the inner panel assembly and the outer panel assembly are connected by welding at the periphery of the window frame opening and by a taping process at the outer edge.
In particular, the utility model discloses still provide a vehicle, include any one above-mentioned back door assembly.
According to the utility model discloses an embodiment, the back door assembly is through supporting the reinforcing plate structure in the anti concave weak position of planking assembly, and the top coating viscose that each supported the reinforcing plate structure links to each other with the planking assembly, promotes the regional support of planking assembly from this, improves the anti concave performance of planking assembly.
Further, the inner plate support in the prior art is replaced through supporting the reinforcing plate structure, the flexibility ratio of supporting position design can be improved, and the problem that the weak position is difficult to support due to insufficient supporting length of the inner plate assembly or the limitation of the arrangement of the inner plate assembly due to the openings can be solved under the condition of a large cavity between the inner plate assembly and the outer plate assembly.
According to the utility model discloses an embodiment, the middle part reinforcing plate sets up in the position department that back door assembly cross-section is minimum (be the junction of upper inner plate portion and lower inner plate portion promptly), can strengthen effectively in this weak position to the setting of "T" shape makes to strengthen more comprehensively.
According to the utility model discloses an embodiment, through the restriction to the size of the three direction of middle part reinforcing plate, in addition aforementioned cavity structure's form for the holistic bending rigidity of back door assembly obtains promoting, compensaties the rigidity loss that the run-through tail lamp leads to the cross-section sudden change.
Further, because the function of vaulting pole reinforcing plate, stopper reinforcing plate and planking backup pad is integrated simultaneously to this middle part reinforcing plate, satisfies the requirement of vaulting pole mounting point intensity and stopper mounting point rigidity simultaneously for the integral type installation can be realized to the middle part reinforcing plate, has reduced size chain tolerance, has guaranteed welding process, and technology convenient assembling and size are easily controlled.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is an exploded view of a tailgate assembly according to an embodiment of the invention;
FIG. 2 is a front view of an inner panel assembly of the back door assembly in accordance with an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
figure 4 is a schematic view of a middle stiffener of a back door assembly according to one embodiment of the present invention.
Description of reference numerals:
100-back door assembly, 10-inner plate assembly, 11-inner plate body, 111-upper inner plate portion, 112-lower inner plate portion, 113-window frame opening, 12-middle reinforcing plate, 121-stay bar support upper mounting point, 122-stay bar support lower mounting point, 123-limiting block mounting point, 124-upper positioning hole, 125-lower positioning hole, 126-first supporting leg, 13-hinge reinforcing plate, 131-second supporting leg, 14-lock mounting plate, 141-third supporting leg, 15-wiper mounting plate, 151-fourth supporting leg, 20-outer plate assembly, 21-upper outer plate, 22-lower outer plate, 30-stay bar support and 40-limiting block
Detailed Description
Fig. 1 is an exploded view of a tailgate assembly 100 according to an embodiment of the invention. As shown in fig. 1, the tailgate assembly 100 includes an inner panel assembly 10 and an outer panel assembly 20. The inner plate assembly 10 includes an inner plate body 11 and a plurality of support reinforcing structures, one side of each support reinforcing structure is attached to and fixedly connected with the inner plate body 11, and at least one extended support leg is arranged on the other side of each support reinforcing structure. Each support reinforcement structure may be connected to the inner panel body 11 by welding. The outer plate assembly 20 is connected to the supporting legs of each supporting and reinforcing structure by adhesive, such as expansion glue, specifically, a flat plate portion may be disposed at the top end of each supporting and reinforcing structure, and a glue groove is formed at the flat plate portion for coating the expansion glue. Each support reinforcing structure is arranged at a position where the dent resistance strength of the outer plate assembly 20 is smaller than a preset value, namely a weak position of dent resistance of the outer plate assembly 20, and the position can be obtained according to a simulation result.
The tailgate assembly 100 of the present embodiment supports the reinforcing plate structures at the weak positions of the outer panel assembly 20 that resist the recess, and the top ends of the respective supporting reinforcing plate structures are coated with adhesive to connect with the outer panel assembly 20, thereby improving the support of the outer panel assembly 20 region and improving the recess resistance of the outer panel assembly 20.
Further, this embodiment replaces the inner panel among the prior art to support through supporting the reinforcing plate structure, can promote the flexibility ratio of support position design, can solve between inner panel assembly 10 and the planking assembly 20 under the big cavity condition, inner panel assembly 10 supports the length not enough or because of inner panel assembly 10 leads to the difficult problem of supporting in weak position because of the restriction of trompil overall arrangement.
As shown in fig. 1, the inner panel body 11 includes an upper inner panel portion 111 and a lower inner panel portion 112 arranged at a predetermined angle and arranged up and down, and a window frame opening 113 is opened at a middle portion of the upper inner panel portion 111 for subsequent installation of a back door window. The outer panel assembly 20 is identical to the inner body in its configuration and includes an upper outer panel 21 and a lower outer panel 22.
Fig. 2 is a front view of the inner plate assembly 10 of the back door assembly 100 according to an embodiment of the present invention. Fig. 3 is a partially enlarged view of a portion a in fig. 2. As shown in fig. 2, the plurality of support reinforcing structures include two middle reinforcing plates 12 respectively connected to both sides of the inner panel body 11 in the width direction, as shown in fig. 3, each middle reinforcing plate 12 includes a bent main plate portion and a lateral protrusion and is "T" shaped, as shown in fig. 2, the middle reinforcing plate 12 is disposed at a junction of the upper inner plate portion 111 and the lower inner plate portion 112, i.e., a through-type tail light mounting portion, and each lateral protrusion extends in a direction that is lateral and close to each other of the vehicle.
The middle reinforcement plate 12 of the present embodiment is provided at a position where the cross section of the back door assembly 100 is smallest (i.e., at the junction of the upper inner plate portion 111 and the lower inner plate portion 112), and can be effectively reinforced at this weak position, and the provision of the "T" shape makes the reinforcement more comprehensive.
In a further embodiment, the middle reinforcement plate 12 and the inner plate body 11 form a cavity structure. The cavity structure can enable the middle reinforcing plate 12 to better reinforce the inner body, and the strength of the inner plate assembly 10 is increased.
Figure 4 is a schematic view of the middle stiffener 12 of the tailgate assembly 100, according to one embodiment of the present invention. In a further embodiment, the tailgate assembly 100 further includes a support rod support 30 and a stop block 40, both of which are located on a side of the inner panel body 11 away from the outer panel assembly 20, the support rod support 30 is used for mounting a support rod of the tailgate assembly 100, both ends of the support rod are respectively connected to the vehicle body and the tailgate assembly 100 for supporting the tailgate assembly 100, the stop block 40 is engaged with the vehicle body, and a side of the stop block 40 facing the vehicle body is provided with a stop slope for positioning the tailgate assembly 100 relative to the vehicle body in a lateral direction of the vehicle. As shown in fig. 3, the upper end of the bending main body portion extends to the mounting position of the stay bar support 30, the lower end extends to the mounting position of the limit block 40, and the bending main body portion is further provided with mounting points of the stay bar support 30 and the limit block 40, such as an upper mounting point 121 and a lower mounting point 122 of the stay bar support in fig. 3, and a limit block mounting point 123, which is used for mounting a fastener together with the internal body to connect the stay bar support 30 and the limit block 40. As shown in fig. 4, the lower portion of the bending main body is further provided with a first support leg 126, which is fixed to the lower outer panel 22 by adhesive. The end of the lateral protrusion extends beyond the corner of the window frame opening 113 adjacent to the lateral protrusion, and the four inner corners of the window frame opening 113 are generally rounded, and the corner extending beyond the window frame opening 113 is understood to mean that the right edge of the lateral protrusion on the left extends beyond the right end of the rounded corner of the inner corner of the bottom of the window frame opening 113, and the lateral protrusion on the right is understood to be the same. As shown in fig. 3, the upper and lower end portions of the middle reinforcing plate 12 are further provided with upper positioning holes 124 and lower positioning holes 125 for positioning the middle reinforcing plate 12 and the inner panel assembly 10.
In the present embodiment, the sizes of the middle reinforcing plate 12 in three directions are limited, and the form of the cavity structure is added, so that the bending rigidity of the whole tailgate assembly 100 is improved, and the rigidity loss caused by the abrupt change of the cross section of the penetrating tail light is compensated.
Further, because the function of this middle part reinforcing plate 12 integrated vaulting pole reinforcing plate, stopper 40 reinforcing plate and planking backup pad simultaneously satisfies the requirement of vaulting pole mounting point intensity and stopper 40 mounting point rigidity simultaneously for middle part reinforcing plate 12 can realize the integral type installation, has reduced size chain tolerance, has guaranteed welding process, and technology convenient assembling and size are easily controlled.
In one embodiment, as shown in fig. 2, the plurality of supporting and reinforcing structures further include hinge reinforcing plates 13 disposed at two sides of an end of the upper inner plate portion 111 away from the lower inner plate portion 112, and a second supporting leg 131 extending toward the upper outer plate 21 is disposed at an end of the two hinge reinforcing plates 13 close to each other, and a top end of the second supporting leg 131 is used for coating adhesive and bonding with the upper outer plate 21.
Further, as shown in fig. 2, the plurality of support reinforcing structures further include a lock mounting plate 14 disposed in the middle of the top end of the lower inner plate portion 112, the bottom of the lock mounting plate 14 is provided with a plurality of third supporting legs 141 extending toward the lower outer plate 22, and the top ends of the third supporting legs 141 are used for coating adhesive and are bonded with the lower outer plate 22.
In a further embodiment, as shown in fig. 2, the plurality of supporting and reinforcing structures further include a wiper mounting plate 15 disposed in the middle of the bottom end of the lower inner plate portion 112, and fourth supporting legs 151 are disposed on two sides of the top and middle of the wiper mounting plate 15, and the top ends of the fourth supporting legs 151 are used for coating adhesive and are bonded to the lower outer plate 22.
In one embodiment, the inner panel assembly 10 and the outer panel assembly 20 are joined by welding at the periphery of the window frame opening 113 and by taping at the outer edges.
The back door assembly 100 mainly comprises an inner plate assembly 10 and an outer plate assembly 20, wherein the outer plate assembly 20 is formed by splicing an upper outer plate 21 and a lower outer plate 22 mainly through a welding process, and the inner plate assembly 10 is formed by welding an inner plate body 11 and each support reinforcing structure through the welding process. Then coating expansion glue on the supporting feet of each supporting and reinforcing structure, attaching and baking the outer plate assembly 20 and each supporting foot, connecting the inner plate assembly 10 and the outer plate assembly 20 at the window frame opening 113 through welding spots, and finally combining and wrapping the outer edges of the inner plate assembly 10 and the outer plate assembly 20. Finally, the stay bar bracket 30, the stopper 40, the hinge, etc. are mounted to the inner panel assembly 10 by means of fasteners, such as bolts, to complete the assembly of the entire back door assembly 100.
The present invention also provides a vehicle comprising the back door assembly 100 of any of the above embodiments.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. A tailgate assembly, comprising:
the inner plate assembly comprises an inner plate body and a plurality of support reinforcing structures, wherein one side of each support reinforcing structure is attached and fixedly connected with the inner plate body, and the other side of each support reinforcing structure is provided with at least one extended supporting leg; and
and the outer plate assembly is connected with the supporting legs of each supporting reinforcing structure through adhesive, and each supporting reinforcing structure is arranged at the position where the dent resistance strength of the outer plate assembly is smaller than a preset value.
2. A back door assembly according to claim 1,
the inner plate body comprises an upper inner plate part and a lower inner plate part which are arranged at a preset angle and are arranged up and down, and a window frame opening is formed in the middle of the upper inner plate part; the outer plate assembly is the same as the inner plate body in trend and comprises an upper outer plate and a lower outer plate.
3. A back door assembly according to claim 2,
it is a plurality of support additional strengthening includes two middle part reinforcing plates, connect respectively in the ascending both sides of width direction of inner panel body, each the middle part reinforcing plate all includes the main board portion of bending and horizontal convex part and is "T" shape, the middle part reinforcing plate set up in go up the inner panel with the junction of inner panel portion down, and each horizontal convex part all extends along the horizontal direction that just is close to each other of vehicle.
4. A back door assembly according to claim 3,
the middle reinforcing plate and the inner plate body form a cavity structure.
5. The back door assembly as set forth in claim 4, further comprising:
the stay bar bracket and the limiting block are both positioned on one side of the inner plate body away from the outer plate assembly;
the upper end of the middle reinforcing plate extends to the mounting position of the support rod bracket, the lower end of the middle reinforcing plate extends to the mounting position of the limiting block, the middle reinforcing plate is also provided with mounting points of the support rod bracket and the limiting block and used for mounting a fastener together with the inner plate body so as to connect the support rod bracket and the limiting block, and the lower part of the middle reinforcing plate is also provided with a first supporting leg which is fixed with the lower outer plate through viscose; the end of the lateral protrusion extends beyond the corner of the sash opening near itself.
6. A back door assembly according to any of claims 3-5, wherein the plurality of support stiffening structures further comprises:
the hinge reinforcing plates are arranged on two sides of one end, far away from the lower inner plate part, of the upper inner plate part, two ends, close to each other, of the hinge reinforcing plates are provided with second supporting legs extending towards the upper outer plate, and the top ends of the second supporting legs are used for coating adhesive and are bonded with the upper outer plate.
7. The back door assembly as claimed in claim 6, wherein the plurality of support reinforcing structures further comprises:
the lock mounting panel sets up in the middle part on the top of lower inner panel portion, the bottom of lock mounting panel is provided with a plurality of orientations the third supporting legs that the planking stretches out down, the top of third supporting legs be used for coating the viscose and with the planking bonds down.
8. The back door assembly as claimed in claim 7, wherein the plurality of support reinforcing structures further comprises:
the wiper mounting panel sets up in the middle part of the bottom of lower inner plate portion, the top of wiper mounting panel, the both sides at middle part are provided with the fourth supporting legs, the top of fourth supporting legs be used for the coating viscose and with planking bonding down.
9. A back door assembly according to claim 8,
the inner plate assembly and the outer plate assembly are connected at the periphery of the window frame opening through welding, and are connected at the outer edge through a hemming process.
10. A vehicle comprising a back door assembly as claimed in any one of claims 1 to 9.
CN202220639162.XU 2022-03-22 2022-03-22 Back door assembly and vehicle Active CN217320003U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220639162.XU CN217320003U (en) 2022-03-22 2022-03-22 Back door assembly and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220639162.XU CN217320003U (en) 2022-03-22 2022-03-22 Back door assembly and vehicle

Publications (1)

Publication Number Publication Date
CN217320003U true CN217320003U (en) 2022-08-30

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ID=83001333

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220639162.XU Active CN217320003U (en) 2022-03-22 2022-03-22 Back door assembly and vehicle

Country Status (1)

Country Link
CN (1) CN217320003U (en)

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