CN221315752U - Back door assembly structure - Google Patents
Back door assembly structure Download PDFInfo
- Publication number
- CN221315752U CN221315752U CN202420037393.2U CN202420037393U CN221315752U CN 221315752 U CN221315752 U CN 221315752U CN 202420037393 U CN202420037393 U CN 202420037393U CN 221315752 U CN221315752 U CN 221315752U
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- Prior art keywords
- back door
- plate
- tailgate
- mounting plate
- assembly structure
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 25
- 239000003292 glue Substances 0.000 claims description 15
- 230000009467 reduction Effects 0.000 abstract description 5
- 230000003014 reinforcing effect Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 7
- 230000007480 spreading Effects 0.000 description 6
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The utility model relates to a back door assembly structure, which belongs to the technical field of automobile accessories and comprises a back door outer plate, wherein a penetrating lamp mounting plate is arranged in the middle of the back door outer plate, and the penetrating lamp mounting plate is transversely arranged and penetrates through the back door outer plate; the inner side of the back door outer plate is provided with a back door inner plate buckled with the back door outer plate, and the middle part of the back door inner plate is provided with a back door middle cross beam which penetrates through the lamp mounting plate to be contacted. The back door is pieced together with back door inner panel to back door planking, runs through the comparatively striking position in back door planking middle part that the lamp mounting panel is located, runs through lamp mounting panel position for reducing back door's structural strength, back door middle cross beam and runs through the relative contact of lamp mounting panel, can compensate the structural strength that the lamp mounting panel department was run through to the setting, and then forms the reduction that avoids back door structural strength.
Description
Technical Field
The utility model belongs to the technical field of automobile accessories, and particularly relates to a back door assembly structure.
Background
The back door refers to the design of the trunk lid and not the door. The back door is commonly found in SUV vehicles, and has the advantages of large rear space, convenient loading of articles and the like. The design of the back door can be either integral lifting opening or split opening. The split type opening can refine the use space of the trunk, and only opening the upper half part is equivalent to enlarging the passage of the trunk, and simultaneously, the opening height is reduced, so that articles can be placed more conveniently.
In order to promote the prompt effect of the vehicle to the rear, a tail lamp is arranged at the tail part of the vehicle, namely on a back door of the vehicle, so that prompt is formed for pedestrians and vehicles passing in the rear, and both active safety and passive safety are formed.
However, the tail lamps are arranged on two sides independently at present, so that the visibility is not high; while the design of pass-through taillights has also been known for a long time, there is a problem of reducing the structural strength of the back door.
Disclosure of utility model
The utility model provides a back door assembly structure, which aims to solve the problem of reducing the structural strength of a back door by arranging a penetrating tail lamp.
The utility model is realized by the following technical scheme:
The back door assembly structure comprises a back door outer plate, wherein a penetrating lamp mounting plate is arranged in the middle of the back door outer plate, and the penetrating lamp mounting plate is transversely arranged and penetrates through the back door outer plate;
The inside of back door planking is provided with the back door inner panel rather than the looks lock, the middle part of back door inner panel is equipped with the back door middle cross beam that runs through lamp mounting panel and contacts.
The back door is pieced together with back door inner panel to back door planking, runs through the comparatively striking position in back door planking middle part that the lamp mounting panel is located, runs through lamp mounting panel position for reducing back door's structural strength, back door middle cross beam and runs through the relative contact of lamp mounting panel, can compensate the structural strength that the lamp mounting panel department was run through to the setting, and then forms the reduction that avoids back door structural strength.
The utility model further improves that the lower part of the middle beam of the back door is also provided with a row of glue spreading ribs matched with the outer plate of the back door which penetrates through the lower part of the lamp mounting plate, and the glue spreading ribs are connected with the outer plate of the back door through expansion glue. The glue spreading rib is connected with the back door outer plate through expansion glue, so that looseness of the middle parts of the back door outer plate and the back door inner plate is reduced, and tight connection is formed after glue spreading.
The utility model further improves that the cross section of the middle cross beam of the back door is of a shape like a Chinese character 'ji'; the wall thickness of the middle cross beam of the back door is 0.8mm. The middle cross beam of the back door with the shape of the Chinese character 'ji' contributes to improving the structural strength.
The utility model further improves that the middle cross beam of the back door is integrally formed by stamping.
The utility model further improves that the middle cross beam of the back door is provided with a wire harness installation structure. Through this pencil mounting structure for install wiring headspace on penetrating lamp mounting panel.
The utility model further improves that a row of beam lightening holes are arranged on the middle beam of the back door. The weight of the middle cross beam of the back door is reduced, and the weight of the structural part is reduced.
In a further improvement of the utility model, a cavity is formed in the upper middle region of the inner plate of the back door, and the middle cross beam of the back door is embedded in the cavity. The upper part of the cavity provides a reserved space for the installation of the rear windshield, and the lower part of the cavity reserves a space for the installation of the middle cross beam of the back door.
In addition, the utility model further improves that both sides of the inner plate of the back door are respectively provided with a back door stay bar mounting plate-left and a back door stay bar mounting plate-right for a hydraulic buffer bar connected with a vehicle body; the back door stay bar mounting plate-left and back door stay bar mounting plate-right are connected with two ends of the back door middle cross beam.
In addition, the utility model further improves that the two sides of the cavity below the middle beam of the back door are symmetrically provided with outer plate supporting structures which can be connected with the outer plate of the back door. And the support strength of the back door inner plate to the back door outer plate is improved through the outer plate support structure.
In addition, the utility model further improves that the two sides of the lower part of the inner plate of the back door are symmetrically provided with inner plate lightening holes. Helping to reduce the dead weight of the structural member.
From the technical scheme, the beneficial effects of the utility model are as follows: the back door is pieced together with back door inner panel to back door planking, runs through the comparatively striking position in back door planking middle part that the lamp mounting panel is located, runs through lamp mounting panel position for reducing back door's structural strength, back door middle cross beam and runs through the relative contact of lamp mounting panel, can compensate the structural strength that the lamp mounting panel department was run through to the setting, and then forms the reduction that avoids back door structural strength.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of an outer plate structure of a back door according to an embodiment of the present utility model.
Fig. 2 is a schematic view showing the structure of a back door inner panel according to an embodiment of the present utility model.
Fig. 3 is a schematic view of a middle cross member of a back door according to an embodiment of the present utility model.
FIG. 4 is a schematic view of an outer panel support structure according to an embodiment of the present utility model.
Fig. 5 is a schematic view of a back door stay mounting plate-left structure according to an embodiment of the present utility model.
Fig. 6 is a schematic view showing the structure of the upper section of the outer panel of the back door in the embodiment of the present utility model.
Fig. 7 is a schematic view of a through lamp mounting plate according to an embodiment of the present utility model.
In the accompanying drawings: 1. the upper section of the back door outer plate; 2. penetrating through the lamp mounting plate; 3. the lower section of the outer plate of the back door; 4. a back door inner panel; 5. back door hinge stiffener-left; 6. back door hinge reinforcing plate-right; 7. back door stay bar mounting plate-left; 8. the back door stay bar mounting plate-right; 9. back door stay nut plate-left; 10. back door stay nut plate-right; 11. a back door middle cross beam; 12. a back door lock reinforcing plate; 13. a rear wiper mounting structure; 14. a beam lightening hole; 15. gluing ribs; 16. a wire harness installation structure; 17. an inner plate lightening hole; 18. an outer plate support structure; 19. a support rod mounting plate weight reducing hole; 20. a support rod mounting plate reinforcing rib; 21. a tail wing mounting structure; 22. tail wing lightening holes; 23. penetrating the lamp mounting structure; 24. a light panel lightening hole; 25. and a lamp panel reinforcing rib.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.
1-5, A back door assembly structure comprises a back door outer plate, wherein a penetrating lamp mounting plate 2 is arranged in the middle of the back door outer plate, and the penetrating lamp mounting plate 2 is transversely arranged and penetrates through the back door outer plate; the penetrating lamp mounting plate 2 is positioned at a more striking position in the middle of the outer plate of the rear door. The penetrating lamp mounting plate 2 divides the outer book of the back door into an upper section 1 of the outer plate of the back door and a lower section 3 of the outer plate of the back door. The upper section 1 of the outer plate of the back door reserves a mounting space of the back windshield.
The penetrating lamp mounting plate 2 is provided with a penetrating lamp mounting structure 23, a lamp panel lightening hole 24 and a lamp panel reinforcing rib 25. The through-lamp mounting structure 23 is used for mounting a lamp.
The top of the upper section 1 of the back door outer plate is provided with a tail wing mounting structure 21 and a tail wing weight reducing hole 22. The tail wing mounting structure 21 is used for mounting a spoiler on a rear vehicle door; the tail lightening holes 22 balance the weights with the spoilers.
The inside of the back door outer plate is provided with a back door inner plate buckled with the back door outer plate, a cavity is formed in the middle upper area of the back door inner plate, and the back door middle cross beam 11 is embedded in the cavity. The upper part of the cavity provides a reserved space for the installation of the rear windshield, and the lower part of the cavity provides a reserved space for the installation of the middle cross beam 11 of the back door.
The left side and the right side above the cavity of the back door inner plate are respectively provided with a back door hinge reinforcing plate-left 5 and a back door hinge reinforcing plate-right 6. For mounting a swivel hinge between the tailgate and the vehicle body.
The middle part of the back door inner plate is provided with a back door middle cross beam 11 which penetrates through the lamp mounting plate 2 to be contacted. The back door is spliced by the back door outer plate and the back door inner plate, the position of the penetrating lamp mounting plate 2 is the structural strength of the back door, the middle cross beam 11 of the back door is in relative contact with the penetrating lamp mounting plate 2, the structural strength of the penetrating lamp mounting plate 2 can be compensated, and further the reduction of the structural strength of the back door is avoided.
The two sides of the back door inner plate are respectively provided with a back door stay bar mounting plate-left 7 and a back door stay bar mounting plate-right 8 which are used for connecting with a vehicle body; the back door stay bar mounting plates-left 7 and back door stay bar mounting plates-right 8 are connected with two ends of the back door middle cross beam 11. The wall thickness of the back door stay bar mounting plate-left 7 and the back door stay bar mounting plate-right 8 is 1.5mm.
And the back door stay bar mounting plate-left 7 and the back door stay bar mounting plate-right 8 are respectively provided with stay bar mounting plate reinforcing ribs 20 and stay bar mounting plate lightening holes 19.
The middle cross beam 11 of the back door is integrally formed by stamping, and the cross section of the middle cross beam 11 of the back door is of a shape like a Chinese character 'ji'; the wall thickness of the middle cross beam 11 of the back door is 0.8mm, the length is 196mm, and the height is 52mm. The cross-beam 11 of the back door of the figure-shaped structure contributes to the structural strength.
The lower part of the middle cross beam 11 of the back door is also provided with a row of glue-coated ribs 15 matched with the outer plate of the back door penetrating through the lower part of the lamp mounting plate 2, and the glue-coated ribs 15 are connected with the outer plate of the back door through expansion glue. The glue spreading rib 15 is connected with the outer plate of the rear door through expansion glue, so that looseness of the middle parts of the outer plate of the rear door and the inner plate of the rear door is reduced, and tight connection is formed after glue spreading.
The back door middle cross member 11 is provided with a harness installation structure 16. A space is reserved for mounting wiring on the through-lamp mounting plate 2 by the harness mounting structure 16.
A row of beam lightening holes 14 are arranged on the middle beam 11 of the back door. The weight of the middle cross beam 11 of the back door is reduced, and the weight of the structural member is reduced.
The two sides of the cavity below the middle beam 11 of the back door are symmetrically provided with an outer plate supporting structure 18 which can be connected with the outer plate of the back door. The strength of the support of the back door inner panel 4 to the back door outer panel is raised by the outer panel support structure 18. The two sides of the lower part of the inner plate of the rear car door are symmetrically provided with inner plate lightening holes 17. Helping to reduce the dead weight of the structural member.
The back door inner plate 4 below the back door stay bar mounting plate-left 7 and the back door stay bar mounting plate-right 8 is respectively provided with a back door stay bar nut plate-left 9 and a back door stay bar nut plate-right 10.
The lower part of the back door inner plate 4 is provided with a back door lock reinforcing plate 12. The lock is used for installing the back door and locking the car body.
According to the back door assembly structure, the back door outer plate and the back door inner plate are spliced to form the back door, the penetrating lamp mounting plate is located at a more striking position in the middle of the back door outer plate, the penetrating lamp mounting plate is located to reduce the structural strength of the back door, the middle cross beam of the back door is in relative contact with the penetrating lamp mounting plate, and the structural strength of the position where the penetrating lamp mounting plate is arranged can be compensated, so that the reduction of the structural strength of the back door is avoided. The outer plate of the back door is efficiently supported, the bending and torsional stiffness mode of the back door is improved, and NVH performance is improved. The problem of low-frequency vibration of the back door is reduced through the reinforcing ribs inside.
In the present specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same and similar parts between the embodiments are only required to be referred to each other.
The terms "upper", "lower", "outside", "inside", and the like in the description and in the claims of the present utility model and in the above drawings, if any, are used for distinguishing between relative relationships in position and not necessarily for giving qualitative sense. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. 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 utility model. Thus, the present utility model 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 assembly structure is characterized by comprising a back door outer plate, wherein a penetrating lamp mounting plate (2) is arranged in the middle of the back door outer plate, and the penetrating lamp mounting plate (2) is transversely arranged and penetrates through the back door outer plate;
the inside of the back door outer plate is provided with a back door inner plate buckled with the back door outer plate, and the middle part of the back door inner plate is provided with a back door middle cross beam (11) which penetrates through the lamp mounting plate (2) to be contacted.
2. The back door assembly structure according to claim 1, wherein a row of glue-coated ribs (15) matched with the outer plate of the back door below the penetrating lamp mounting plate (2) are further arranged at the lower part of the middle cross beam (11) of the back door, and the glue-coated ribs (15) are connected with the outer plate of the back door through expansion glue.
3. A back door assembly structure according to claim 1, wherein the cross section of the back door middle cross beam (11) is of a zigzag structure; the thickness of the wall of the middle cross beam (11) of the back door is 0, 8 mm.
4. A back door assembly structure according to claim 1, characterized in that the back door middle cross member (11) is integrally press-formed.
5. A tailgate assembly structure according to claim 1, characterized in that the tailgate middle cross member (11) is provided with a harness mounting structure (16).
6. A back door assembly structure according to claim 1, wherein a row of beam lightening holes (14) are provided in the back door middle beam (11).
7. A tailgate assembly structure according to any one of claims 1 to 6 wherein a cavity is provided in the upper middle region of the tailgate inner panel, the tailgate center sill (11) being embedded in the cavity.
8. A tailgate assembly structure according to claim 7 wherein both sides of the tailgate inner panel are provided with a tailgate strut mounting plate-left (7) and a tailgate strut mounting plate-right (8), respectively, for a hydraulic buffer rod for connection with a vehicle body; the back door stay bar mounting plate-left (7) and the back door stay bar mounting plate-right (8) are connected with two ends of the back door middle cross beam (11).
9. A tailgate assembly structure according to claim 7, characterized in that the cavity below the tailgate center rail (11) is bilaterally symmetrically provided with an outer panel support structure (18) connectable to the tailgate outer panel.
10. The back door assembly structure according to claim 7, wherein the inner panel weight-reducing holes (17) are symmetrically provided at both sides of the lower portion of the inner panel of the back door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420037393.2U CN221315752U (en) | 2024-01-04 | 2024-01-04 | Back door assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420037393.2U CN221315752U (en) | 2024-01-04 | 2024-01-04 | Back door assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221315752U true CN221315752U (en) | 2024-07-12 |
Family
ID=91797362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420037393.2U Active CN221315752U (en) | 2024-01-04 | 2024-01-04 | Back door assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221315752U (en) |
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2024
- 2024-01-04 CN CN202420037393.2U patent/CN221315752U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |