CN112498067B - Plastic rear tail door of automobile - Google Patents
Plastic rear tail door of automobile Download PDFInfo
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- CN112498067B CN112498067B CN202011409895.6A CN202011409895A CN112498067B CN 112498067 B CN112498067 B CN 112498067B CN 202011409895 A CN202011409895 A CN 202011409895A CN 112498067 B CN112498067 B CN 112498067B
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- plate
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- door
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/10—Doors arranged at the vehicle rear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/10—Doors arranged at the vehicle rear
- B60J5/101—Doors arranged at the vehicle rear for non-load transporting vehicles, i.e. family cars including vans
- B60J5/107—Doors arranged at the vehicle rear for non-load transporting vehicles, i.e. family cars including vans constructional details, e.g. about door frame, panels, materials used, reinforcements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to an automobile plastic rear tail door, which comprises an outer plate and an inner plate, wherein the overall profiles of the outer plate and the inner plate are matched with each other, the outer plate and the inner plate are bonded with each other, a honeycomb plate supporting piece is positioned in a cavity gap between the outer plate and the inner plate according to a part needing to be reinforced, two side plate layers of the honeycomb plate supporting piece are respectively connected with the outer plate and the inner plate to form a support, and a rib position supporting structure for supporting the honeycomb plate supporting piece is arranged at the position, corresponding to the honeycomb plate supporting piece, of the outer side of the inner plate. The invention realizes the light weight of the automobile back door structure and simultaneously promotes and ensures the overall structural performance of the back door.
Description
Technical Field
The invention belongs to the technical field of automobile parts, and particularly relates to an automobile plastic rear tail door.
Background
In the field of automobile body part manufacturing, in order to reduce the automobile mass and the oil consumption, more and more automobile parts are made of composite materials. Meanwhile, parts made of composite materials have complicated and changeable shapes and excellent mechanical properties, so that the parts are widely applied to thousands of motor vehicle parts, such as structural parts of automobile back doors and the like.
The metal back door of the automobile generally comprises an inner plate metal framework assembly, an outer decoration part, an inner decoration structure part, functional accessories and the like, and after the metal back door is structurally designed by adopting composite materials such as plastics, the structure integration of the back door assembly is greatly improved, the number of parts is greatly reduced, and the structural modeling design is more free. Therefore, the plastic back door or back door has the advantages of light weight, manufacturing and assembly saving, personalized appearance, better door opening and closing experience and the like, and becomes a hot spot for research and development and manufacturing of numerous host factories or manufacturers in the industry at present.
The back door or back door part all adopt metallic structure design basically behind traditional car, and along with the continuous development of car lightweight technique, more and more back door or back door part begin to adopt "replace the steel with moulding" scheme design behind the car, and the back door behind the plastics adopts combined material such as plastics to replace traditional metal material scheme to accomplish back door or back door structural design behind the car promptly. Due to the fact that composite materials such as plastics and the like have certain disadvantages in material strength and other properties compared with metal materials, and due to the fact that structural design space is limited and the like, the structural design of the automobile back door or back door structure made of the composite materials such as plastics and the like has the defects of insufficient structural stability, mechanical strength and other properties, and the poor conditions such as deformation of the whole structure of the back door or back door, insufficient surface dent resistance, poor appearance texture and the like are easily caused.
For making up back tail-gate and adopting "take the place of steel with moulding" not enough in the combined material performance such as plastics to sacrifice design space, adopt local structural design to increase cross-section design space and promote the performance mode, nevertheless lead to plastics back tail-gate or back door structural design scheme too much to occupy original car inside usage space, cause car design space to utilize not good, take or storage space narrow and small not enough condition.
In the structural design process of the plastic back door or the back door, a structural design mode of thickening or strengthening ribs and the like of local structural materials is adopted, so that the overall performance is improved, but poor appearances such as sink marks and the like appear on the surface of a local reinforcing part are easily caused.
In the design process of the plastic back tail door or back door structure, the traditional metal back tail door or back door is still kept to be locally designed by adopting a metal reinforcing plate structure, so that the structural performance is improved, and the weight reduction and light weight effect design of the back tail door or back door structure is poor.
The design of the structural scheme of the plastic back door or back door is completed by adopting materials with better performance, such as composite materials of carbon fiber and the like, although the performance can be greatly improved, the cost performance of the whole design scheme is not high due to the reasons that the composite materials of carbon fiber and the like are expensive, the maintenance cost is high after damage, and the like.
The conventional back door or back door design including metal and plastic design schemes usually reserves a plurality of large-size back door or back door interior decoration structural parts, plays roles of appearance decoration, convenience in installation of functional accessories and the like, but the structural design scheme is not beneficial to simplifying or reducing the design cost of the back door or back door.
Disclosure of Invention
The invention aims to provide a plastic rear tail gate of an automobile, which can improve and ensure the overall structural performance of the rear tail gate while realizing the light weight of the rear tail gate structure of the automobile.
The technical scheme adopted by the invention for solving the technical problems is to provide the automobile plastic rear tail door which comprises an outer plate and an inner plate, wherein the overall profiles of the outer plate and the inner plate are matched, the outer plate and the inner plate are mutually bonded, a honeycomb plate supporting piece is positioned in a cavity gap between the outer plate and the inner plate according to a part needing to be reinforced, two side plate layers of the honeycomb plate supporting piece are respectively connected with the outer plate and the inner plate to form a support, and a rib position supporting structure for supporting the honeycomb plate supporting piece is arranged at the position, corresponding to the honeycomb plate supporting piece, of the outer side of the inner plate.
A plurality of honeycomb plate supporting pieces are arranged at intervals and positioned in the cavity gap between the outer plate and the inner plate along the length direction of the rear tail gate spoiler; honeycomb plate supporting pieces are respectively positioned in the cavity gap between the outer plate and the inner plate along the length direction of the window frame upright columns on the two sides of the rear tail door; the lower part of the window frame of the back door is positioned and provided with a plurality of honeycomb panel supporting pieces in the cavity clearance between the outer panel and the inner panel.
The rib position supporting structure comprises positioning ribs and at least one supporting rib which are distributed at intervals, the supporting rib is arranged between the positioning ribs, and the honeycomb panel supporting piece supports the plate layer of the inner plate on the supporting rib and is positioned through the positioning ribs on two sides.
And the inner plate is provided with a hollow reinforcing structure protruding inwards according to the part needing to be reinforced.
The hollow reinforcing structure is filled with reinforcing materials.
The inner panel is located back tail door and window frame lower part and is equipped with functional accessory installation module, functional accessory installation module is to the bellied cavity structures in the inner panel outside, the inside functional accessory installing support that is equipped with of functional accessory installation module.
The utility model discloses a functional accessory installation module, including inner panel, functional accessory installation module, decorative cover plate installation buckle, decorative cover plate installation buckle, the inboard decorative cover plate that covers functional accessory installation module is installed to the inboard of inner panel, the inboard protruding muscle structure that is equipped with along the border of functional accessory installation module, the inside of functional accessory installation module is equipped with decorative cover plate installation buckle along spacing protruding muscle structure interval, the edge is with the spacing cooperation of spacing protruding muscle structure when decorative cover plate installs on the inner panel, decorative cover plate and decorative cover plate installation buckle are connected the installation.
And a supporting reinforcing rib is arranged inside the functional accessory installation module.
The outside of function annex installation module is equipped with annular viscose boss, be connected and form the support through the viscose between viscose boss and the planking.
The cellular board support piece of back tail door window frame lower part is located the both sides of functional accessories installation module and symmetry sets up.
Advantageous effects
Firstly, the honeycomb plate is introduced into the key position between the outer plate and the inner plate to reinforce the integral structure of the plastic rear tail door, so that the integral structural performance of the rear tail door is improved and ensured while the light weight of the automobile rear tail door structure is realized, the structural strength/rigidity performance can be obviously improved, the structural deformation of the tail door is reduced, the design space size requirement is reduced, the collision energy absorption performance is improved, and the noise reduction is facilitated.
Secondly, according to the structural arrangement requirement, the rib position supporting platform structure designed by matching the honeycomb panel supporting piece is beneficial to offsetting the gap fall of the outer plate and the inner plate of the rear tail door or the thickness difference of the honeycomb panel, the uniformity of the bonding matching of the honeycomb panel supporting piece and the outer plate and the inner plate of the rear tail door is ensured, and meanwhile, the honeycomb panel supporting piece has a limiting or positioning function, and the structural stability is favorably ensured.
Thirdly, the functional accessory installation module is beneficial to realizing the minimum space design, fully utilizes the cavity gap between the inner plate and the outer plate and simultaneously improves the stability of the structural support. Can the maximize with back tail-gate functional accessories and decoration parts and back tail-gate's inner panel integrated as an organic whole, reduce back tail-gate and decorate the quantity or the size of apron, help improving the structure integration level, improve assembly efficiency, save manufacturing cost.
Fourthly, the design of the hollow reinforcing structure is adopted at the positions of the window frame upright post and the like needing to reinforce the structure, so that the stress performance of the rear tail door structure can be obviously enhanced, the occupied design space can be reduced, and the aesthetic effect of the interior trim can be improved.
Drawings
Fig. 1 is a schematic axial view (inside view) of the back door assembly of the present invention.
FIG. 2 is a schematic view of the outer side of the back door assembly of the present invention.
FIG. 3 is a schematic view of the inner side of the back door assembly of the present invention.
FIG. 4 is a schematic view of the rear door assembly of the present invention (from an inside view) except for the trim cover.
FIG. 5 is a schematic axial view (outside view) of the outer panel of the back door according to the present invention.
Fig. 6 is a schematic axial view (outside view) of the rear door inner panel of the present invention.
FIG. 7 is a schematic view of the structure of the back door inner panel and the cellular board support member of the present invention.
FIG. 8 is a schematic structural diagram of the outer side surface of the rear door inner panel and the cellular board support member of the present invention.
Fig. 9 is a schematic view of a cross-sectional structure a-a in fig. 2.
Fig. 10 is a schematic structural view of a honeycomb panel support.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention can be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the claims appended to the present application.
The plastic rear tail door of the automobile shown in figures 1-4 comprises an outer plate 1 and an inner plate 2 which are matched with each other in overall outline, wherein the outer plate 1 and the inner plate 2 are both integrally formed by injection molding. The outer plate 1 and the inner plate 2 are bonded through viscose glue, and glue is coated along the outer edge circumference of the outer plate 1 and the outer edge circumference of the inner plate 2, so that the bonding and the compounding of the outer plate 1 and the inner plate 2 are realized. As shown in fig. 3, the inner side of the inner plate 2 is provided with hinge assemblies 6 on both sides of the top, a middle buffer assembly 7 on both sides of the middle, a lower buffer assembly 8 on both sides of the bottom, a lock assembly 9 in the middle of the bottom, and a net-shaped reinforcing rib structure on the outer side of the inner plate 2.
Two cellular board supporting pieces 3 are arranged in the cavity gap between the outer board 1 and the inner board 2 in the length direction of the rear tail door spoiler at intervals and in a positioning mode, the strip-shaped cellular board supporting pieces 3 are respectively arranged in the cavity gap between the outer board 1 and the inner board 2 in the length direction of window frame stand columns on the two sides of the rear tail door, the two cellular board supporting pieces 3 are arranged in the cavity gap between the outer board 1 and the inner board 2 in the lower portion of a window frame of the rear tail door in the positioning mode, the two cellular board supporting pieces 3 on the lower portion of the window frame of the rear tail door are located on the two sides of the functional accessory installation module 10 and are symmetrically arranged, and board layers on the two sides of the cellular board supporting pieces 3 are connected with the outer board 1 and the inner board 2 respectively to form supporting. The honeycomb plate support 3 is introduced into the key part of the plastic back door, the structure of the material is shown in figure 10, the material has the characteristics of low density, low warping deformation, high rigidity, excellent shock resistance, obvious noise reduction and the like, and the overall structural performance of the back door can be improved and ensured while the light structure of the back door or the back door is realized. The two honeycomb panel supports 3 arranged at the spoiler part mainly support the outer panel structure of the rear tail door, the two honeycomb panel supports 3 arranged at the window frame upright post part mainly play a role in improving the structural rigidity and strength of the door and window frame of the rear tail door, and the two honeycomb panel supports 3 arranged at the lower part of the window frame mainly play a role in supporting the outer panel structure of the rear tail door to prevent concavity and deformation. In addition, the honeycomb structure characteristic can be utilized to play a role in collision energy absorption, and the effect of improving safety is achieved.
According to the structural design needs, the cellular board support member 3 can be designed in different thicknesses and different width dimensions, and the cellular board support member 3 can be cut into different shapes according to the structural design needs and arranged in the plastic rear tail gate structure. The cellular board support 3 is located between the outer board 1 and the inner board 2 of the back door, and the board layers on both sides of the cellular board support 3 are respectively connected with the outer board 1 and the inner board 2 through the viscose glue 12, as shown in fig. 9.
Considering that the thickness of the honeycomb panel supporting piece 3 at the same position is uniform, and the gap of the cavity between the outer panel 1 and the inner panel 2 of the back door is uneven, a rib position supporting structure 4 for supporting the honeycomb panel supporting piece 3 is designed at the position corresponding to the honeycomb panel supporting piece 3 at the outer side of the inner panel 2, so as to offset the gap drop between the outer panel 1 and the inner panel 2 of the back door or the thickness difference of the honeycomb panel supporting piece 3. As shown in fig. 9, the rib position supporting structure 4 includes positioning ribs 4-1 and at least one supporting rib 4-2 which are distributed at intervals, the supporting rib 4-2 is arranged between the positioning ribs 4-1, and the honeycomb panel supporting member 3 is supported on the supporting rib 4-2 towards the plate layer of the inner panel 2 and is positioned by the positioning ribs 4-1 at both sides.
In addition, the inner panel 2 is provided with a hollow reinforcing structure 5 protruding inwards corresponding to the positions of the rear door window frame upright columns and other parts needing to be reinforced, the structure has the advantages that the stress performance of the rear door structure can be obviously enhanced, the design can reduce the occupied design space of the rear door under the condition of meeting the same performance index requirement, and moreover, the design of the hollow reinforcing structure 5 can also achieve the effects of reducing the matching gap and improving the interior decoration impression of the automobile. The design of the hollow reinforcing structure 5 can be used together with the structure of the honeycomb panel supporting piece 3, and can also be independently used for the structural design of a plastic back door. In addition, a reinforcing material may be filled in the cavity of the hollow reinforcing structure 5 as necessary, thereby further improving the structural strength.
As shown in fig. 4, a functional accessory installation module 10 is arranged under the inner plate 2 close to the rear tail door window frame, the functional accessory installation module 10 is of a cavity structure protruding towards the outer side of the inner plate 2, and a functional accessory installation support and a support reinforcing rib 10-1 are arranged inside the functional accessory installation module 10 and used for arranging and installing rear tail door functional accessories, such as a wiper motor, a license plate, an opening switch, an electrical appliance wiring harness, a camera and the like.
As shown in fig. 3, a trim cover 11 covering the functional accessory mounting module 10 is mounted on the inner side of the inner panel 2. As shown in fig. 4, the inner side of the functional accessory installation module 10 is provided with a limiting convex rib structure 10-2 along the circumference, and the inner part of the functional accessory installation module 10 is provided with decorative cover plate installation buckles 10-3 along the limiting convex rib structure 10-2 at intervals. When the decorative cover plate 11 is installed on the inner plate 2, the edge of the decorative cover plate is in spacing fit with the spacing convex rib structure 10-2, and the decorative cover plate 11 is connected and installed with the decorative cover plate installation buckle 10-3.
As shown in fig. 6 to 8, an annular adhesive boss 10-4 is provided on the outer side of the functional accessory mounting module 10, and the adhesive boss 10-4 is connected with the outer panel 1 by adhesive to form a support. The functional accessory mounting module 10 facilitates a minimized space design, makes full use of the cavity gap between the inner and outer plates 2, 1, and improves the stability of the structural support. Can the maximize with back tail-gate functional accessories and decoration parts and back tail-gate's inner panel integrated as an organic whole, reduce back tail-gate and decorate the quantity or the size of apron, help improving the structure integration level, improve assembly efficiency, save manufacturing cost.
Claims (9)
1. The utility model provides a tail-gate behind car plastics, includes planking (1) and inner panel (2) that whole profile matches each other, bond each other between planking (1) and inner panel (2), its characterized in that: the honeycomb panel supporting structure is characterized in that a honeycomb panel supporting piece (3) is positioned and arranged in a cavity gap at a position between the outer panel (1) and the inner panel (2) according to the need for reinforcement, two side plate layers of the honeycomb panel supporting piece (3) are respectively connected with the outer panel (1) and the inner panel (2) to form support, a rib position supporting structure (4) for supporting the honeycomb panel supporting piece (3) is arranged at the position, corresponding to the honeycomb panel supporting piece (3), of the outer side of the inner panel (2) so as to offset gap fall between the outer panel (1) and the inner panel (2) of the back door or thickness difference of the honeycomb panel supporting piece (3), the rib position supporting structure (4) comprises positioning ribs (4-1) and at least one supporting rib (4-2) which are distributed at intervals, the supporting ribs (4-2) are arranged between the positioning ribs (4-1), and the honeycomb panel supporting piece (3) is supported on the supporting ribs (4-2) towards the plate layers of the inner panel (2) and passes through the positioning ribs (4-2) at two sides 1) And (6) positioning.
2. The plastic back door for the automobile as claimed in claim 1, wherein: a plurality of cellular board supporting pieces (3) are arranged at intervals and positioned in a cavity gap between the outer board (1) and the inner board (2) along the length direction of the rear tail gate spoiler; cellular board supporting pieces (3) are respectively positioned in the cavity gap between the outer board (1) and the inner board (2) along the length direction of the window frame upright columns on the two sides of the rear tail door; the lower part of the window frame of the rear tail door is positioned and provided with a plurality of honeycomb panel supporting pieces (3) in the cavity gap between the outer panel (1) and the inner panel (2).
3. The plastic back door for the automobile as claimed in claim 1, wherein: the inner plate (2) is provided with a hollow reinforcing structure (5) protruding towards the inner side according to the part needing to be reinforced.
4. The plastic tailgate of an automobile, according to claim 3, wherein: the hollow reinforcing structure (5) is filled with a reinforcing material.
5. The plastic back door for the automobile as claimed in claim 1, wherein: the inner panel (2) are located the back tail door and window frame lower part and are equipped with functional accessory installation module (10), functional accessory installation module (10) are the bellied cavity structures in the inner panel (2) outside, the inside functional accessory installing support that is equipped with of functional accessory installation module (10).
6. The plastic tailgate of an automobile, according to claim 5, wherein: the inner side of the inner plate (2) is provided with a decorative cover plate (11) covering the functional accessory installation module (10), the inner side of the functional accessory installation module (10) is provided with a limiting convex rib structure (10-2) along the periphery, the inside of the functional accessory installation module (10) is provided with decorative cover plate installation buckles (10-3) along the limiting convex rib structure (10-2) at intervals, the edge of the decorative cover plate (11) is in limited fit with the limiting convex rib structure (10-2) when the decorative cover plate is installed on the inner plate (2), and the decorative cover plate (11) is connected and installed with the decorative cover plate installation buckles (10-3).
7. The plastic tailgate of an automobile, according to claim 5, wherein: and a supporting reinforcing rib (10-1) is arranged inside the functional accessory installation module (10).
8. The plastic tailgate of an automobile, according to claim 5, wherein: the outer side of the functional accessory installation module (10) is provided with an annular adhesive boss (10-4), and the adhesive boss (10-4) is connected with the outer plate (1) through adhesive to form support.
9. The plastic back door for automobile according to claim 5, wherein: the cellular board supporting pieces (3) at the lower part of the rear tail door window frame are positioned at two sides of the functional accessory installation module (10) and are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011409895.6A CN112498067B (en) | 2020-12-04 | 2020-12-04 | Plastic rear tail door of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011409895.6A CN112498067B (en) | 2020-12-04 | 2020-12-04 | Plastic rear tail door of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112498067A CN112498067A (en) | 2021-03-16 |
| CN112498067B true CN112498067B (en) | 2022-07-26 |
Family
ID=74971782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011409895.6A Active CN112498067B (en) | 2020-12-04 | 2020-12-04 | Plastic rear tail door of automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN112498067B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113071299A (en) * | 2021-04-27 | 2021-07-06 | 上海兹马实业有限公司 | Anticollision type door plant for car |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3423827A1 (en) * | 1984-06-04 | 1985-02-14 | Stübbe GmbH, 2940 Wilhemshaven | PLASTIC DOOR FOR MOTOR VEHICLES |
| JP4423018B2 (en) * | 2003-11-27 | 2010-03-03 | スズキ株式会社 | Bumper beam assembly |
| DE102008063654A1 (en) * | 2008-12-18 | 2010-07-08 | Acts Advanced Car Technology Systems Gmbh | Vehicle door, particularly rear wall door for motor vehicle, has inner section made of plastic, where reinforcement is formed by reinforcing element associated and separately designed from inner section |
| JP6135651B2 (en) * | 2014-12-02 | 2017-05-31 | トヨタ自動車株式会社 | Vehicle back door structure |
| CN106427500A (en) * | 2016-10-31 | 2017-02-22 | 英纳法企业管理（上海）有限公司 | Glass reinforcing plate for automobile skylight and skylight assembly and automobile |
| CN108058650A (en) * | 2017-12-04 | 2018-05-22 | 神龙汽车有限公司 | A kind of automobile luggage racks install backlash compensation structure |
| CN208498201U (en) * | 2018-06-21 | 2019-02-15 | 常熟龙创汽车技术有限公司 | A kind of car door resisting recessed structure with optimization |
| CN210149129U (en) * | 2019-05-21 | 2020-03-17 | 重庆同捷工业设计有限公司 | Novel automobile tail door structure |
-
2020
- 2020-12-04 CN CN202011409895.6A patent/CN112498067B/en active Active
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