CN217969204U - Plastic backdoor inner plate and automobile backdoor - Google Patents
Plastic backdoor inner plate and automobile backdoor Download PDFInfo
- Publication number
- CN217969204U CN217969204U CN202221397745.2U CN202221397745U CN217969204U CN 217969204 U CN217969204 U CN 217969204U CN 202221397745 U CN202221397745 U CN 202221397745U CN 217969204 U CN217969204 U CN 217969204U
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- plastic
- back door
- backdoor
- inner panel
- beams
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- 229920003023 plastic Polymers 0.000 title claims abstract description 82
- 239000004033 plastic Substances 0.000 title claims abstract description 82
- 230000003014 reinforcing effect Effects 0.000 claims description 21
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 6
- 239000013585 weight reducing agent Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
Abstract
The utility model provides a plastics back of body door inner panel belongs to automobile parts technical field, include: an inner panel main body frame; the longitudinal beams are arranged in the inner plate main body frame, and the number of the longitudinal beams is at least two; and the transverse beams are arranged in the inner plate main body frame, the number of the transverse beams is at least two, and the longitudinal beams and the transverse beams are arranged in a crossed manner. Still provide an automobile back door, include plastics back door inner panel still include: and the plastic back door outer plate is connected with the plastic back door inner plate. The utility model has the advantages that: the longitudinal beam and the transverse beam are connected with the inner plate main body frame, the transverse beam can effectively improve the lateral rigidity and the torsional rigidity of the inner plate of the plastic back door, the longitudinal beam can effectively improve the bending rigidity of the inner plate of the plastic back door, and the overall rigidity of the inner plate of the plastic back door can be effectively improved under the action of the longitudinal beam and the transverse beam in two different directions.
Description
Technical Field
The utility model belongs to the technical field of automobile parts, a plastics back of body door inner panel is related to, still relate to a car back of body door.
Background
The automotive plastic back door is an interior and exterior decoration process which is on the market in recent years and replaces the traditional sheet metal door with a plastic product, and is gradually accepted by part of customers and is being accepted by more customers, and the automotive plastic back door is a future trend in terms of light weight, cost, safety and design flexibility. As the process technology is further mature, the balance point of weight and safety is mastered, and the adoption of plastics instead of metal on the car body exterior trim is completely feasible. In China, as the research, design and manufacture of the plastic back door of the automobile are still in the starting stage, the existing plastic back door has some defects, wherein the most important problem is how to ensure that the plastic back door structure has enough strength while achieving a remarkable weight reduction effect, and the defect of necessary safety caused by weight reduction is avoided.
For example, a utility model patent with application number cn201520499210.X provides a door structure, and this door structure includes metal support, plastics inner door board and plastics outer door plant, and plastics inner door board and plastics outer door plant set up respectively in metal support's both sides, and metal support is the edge that the annular lies in plastics inner door board and plastics outer door plant.
In summary, although some existing technical solutions adopt the plastic inner door panel and the plastic outer door panel to solve the problem of weight reduction of the vehicle door, the vehicle door is still heavy due to the fact that the vehicle door is supported by the metal bracket for ensuring strength, and has a larger improvement space.
Disclosure of Invention
The utility model aims at the above-mentioned problem that prior art exists, provide a plastics back of the body door inner panel, still provided a car back of the body door.
The purpose of the utility model can be realized by the following technical proposal: a plastic tailgate inner panel, comprising:
an inner panel main body frame;
the longitudinal beams are arranged in the inner plate main body frame, and the number of the longitudinal beams is at least two;
the number of the transverse beams is at least two, the longitudinal beams and the transverse beams are arranged in a crossed mode, and lightening holes are formed in the two adjacent longitudinal beams and the two adjacent transverse beams in a surrounding mode.
In the plastic back door inner panel of the above-described type, the longitudinal beams and the lateral beams are bent toward the same side of the lightening hole so that the side wall of the lightening hole is extended and forms a reinforcing portion.
In the above-described plastic back door inner panel, the inner panel main body frame, the longitudinal beam, the lateral beam, and the reinforcement portion are integrally formed.
In the above-described one of the plastic back door inner panels, the end of the reinforcement portion is formed with a burring for improving the strength thereof.
In the plastic backdoor inner panel described above, an end of the reinforcement portion is provided with an adhesive portion for connection with the plastic backdoor outer panel.
In the above-described plastic back door inner panel, the longitudinal beams and the transverse beams are arranged in a grid pattern so that the lightening holes are arrayed in a rectangular pattern.
Secondly, an automobile back door, include plastics back door inner panel still include: and the plastic backdoor outer plate is connected with the plastic backdoor inner plate.
In the above-mentioned back door for the automobile, a deformation space is formed between the plastic back door inner plate and the plastic back door outer plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the longitudinal beam and the transverse beam are connected with the inner plate main body frame, the transverse beam can effectively improve the lateral rigidity and the torsional rigidity of the inner plate of the plastic back door, the longitudinal beam can effectively improve the bending rigidity of the inner plate of the plastic back door, and the overall rigidity of the inner plate of the plastic back door can be effectively improved under the action of the longitudinal beam and the transverse beam in two different directions.
2. The whole plastic back door inner plate does not need to be thickened, and the longitudinal beams and the transverse beams are bent towards the same side of the lightening hole, so that the side wall of the lightening hole extends to form a reinforcing part, and the strength of the position of the lightening hole can be further increased.
3. The inner plate main body frame, the longitudinal beam, the transverse beam and the reinforcing part are integrally formed, and the mode that all parts are manufactured in a split mode and then fixedly connected is not adopted, so that the whole structure is not prone to fracture due to the problem of connection relation.
4. The end part of the reinforcing part is provided with a flanging which can improve the strength around the end part of the reinforcing part, prevent the end part of the reinforcing part from cracking and relieve the stress concentration problem of the reinforcing part.
5. The tip of rib is provided with the sticky portion that is used for being connected with plastics back of the body door planking, and plastics back of the body door inner panel bonds through sticky portion and plastics back of the body door planking on the rib tip, has additionally increased the relation of connection of the local region between plastics back of the body door inner panel and the plastics back of the body door planking, has effectively improved the local rigidity of car back of the body door.
Drawings
Fig. 1 is a schematic structural view of the back door of the present invention.
Fig. 2 isbase:Sub>A schematic sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1.
In the figure, 100, an inner panel body frame; 200. a longitudinal beam; 300. a transverse beam; 400. lightening holes; 410. a reinforcing portion; 420. flanging; 430. an adhesive part; 500. and (4) plastic outer plates of the back door.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, the descriptions in the present application as to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
As shown in fig. 1 and 2, a plastic backdoor inner panel includes: an inner panel body frame 100, a longitudinal beam 200, and a lateral beam 300.
Wherein, longitudinal beam 200 set up in the inner panel body frame 100, the quantity of longitudinal beam 200 is two at least, and specific quantity is according to the size of plastics back door size and the intensity demand and confirm.
The number of the transverse beams 300 is at least two, the specific number is determined according to the size and the strength requirement of the plastic back door, the longitudinal beams 200 and the transverse beams 300 are arranged in a crossed manner, and the weight-reducing holes 400 are formed by surrounding the adjacent two longitudinal beams 200 and the adjacent two transverse beams 300.
In this embodiment, the longitudinal beam 200 and the transverse beam 300 are connected to the inner panel main frame 100, the transverse beam 300 can effectively improve the lateral stiffness and the torsional stiffness of the plastic back door inner panel, the longitudinal beam 200 can effectively improve the bending stiffness of the plastic back door inner panel, and the longitudinal beam 200 and the transverse beam 300 can effectively improve the overall stiffness of the plastic back door inner panel under the action of two different directions.
Preferably, each of the longitudinal beams 200 and each of the transverse beams 300 are arranged in a grid pattern so that each of the lightening holes 400 is in a rectangular array.
As shown in fig. 1 and 2, in the above embodiment, the longitudinal beams 200 and the transverse beams 300 are bent toward the same side of the lightening hole 400 so that the side wall of the lightening hole 400 is extended and a reinforcing part 410 is formed.
In the present embodiment, the strength of the position of the lightening hole 400 can be further increased by merely bending the longitudinal beam 200 and the lateral beam 300 toward the same side of the lightening hole 400 to extend the side wall of the lightening hole 400 and form the reinforcing part 410, without thickening the entire plastic back door inner panel.
As shown in fig. 1 and 2, in addition to the above embodiment, the inner panel body frame 100, the longitudinal beam 200, the lateral beam 300, and the reinforcement portion 410 are integrally formed.
In the present embodiment, the inner panel main frame 100, the longitudinal beams 200, the lateral beams 300, and the reinforcement portions 410 are integrally formed, rather than being manufactured separately and then fixedly connected, so that the entire structure is not easily broken due to the problem of connection.
As shown in fig. 1 and 2, in the above embodiment, a flange 420 for improving the strength is formed at the end of the reinforcing part 410.
In the present embodiment, the end of the reinforcing part 410 is formed with the burring 420, and the burring 420 can improve the strength around the end of the reinforcing part 410, prevent the end of the reinforcing part 410 from being cracked, and alleviate the problem of stress concentration of the reinforcing part 410.
As shown in fig. 1 and 2, in addition to the above embodiment, an adhesive portion 430 for connecting to the plastic back door outer panel 500 is provided at an end portion of the reinforcing portion 410.
In this embodiment, the end of the reinforcing part 410 is provided with an adhesive part 430 for connecting with the plastic backdoor outer panel 500, and the plastic backdoor inner panel is bonded with the plastic backdoor outer panel 500 through the adhesive part 430 on the end of the reinforcing part 410, so that the connection relationship of the local area between the plastic backdoor inner panel and the plastic backdoor outer panel 500 is additionally increased, and the local rigidity of the automobile backdoor is effectively improved.
Next, as shown in fig. 2, an automotive back door includes the plastic back door inner panel, and further includes: and the plastic backdoor outer plate 500 is connected with the plastic backdoor inner plate, and the plastic backdoor outer plate 500 is connected with the plastic backdoor inner plate.
Preferably, a deformation space is formed between the plastic backdoor inner panel and the plastic backdoor outer panel 500, and when one of the plastic backdoor inner panel or the plastic backdoor outer panel 500 is stressed, the other one can be deformed in the deformation space.
Claims (8)
1. A plastic backdoor inner panel, comprising:
an inner panel main body frame;
the longitudinal beams are arranged in the inner plate main body frame, and the number of the longitudinal beams is at least two;
the number of the transverse beams is at least two, the longitudinal beams and the transverse beams are arranged in a crossed mode, and lightening holes are formed in the two adjacent longitudinal beams and the two adjacent transverse beams in a surrounding mode.
2. A plastic backdoor inner panel of claim 1, wherein: the longitudinal beams and the transverse beams are bent towards the same side of the lightening hole so as to extend the side wall of the lightening hole and form a reinforcing part.
3. A plastic backdoor inner panel as defined in claim 2 wherein: the inner panel main body frame, the longitudinal beam, the lateral beam, and the reinforcement portion are integrally formed.
4. A plastic backdoor inner panel as defined in claim 2 wherein: the end of the reinforcing part is formed with a flange for improving the strength thereof.
5. A plastic backdoor inner panel as defined in claim 2 wherein: the end part of the reinforcing part is provided with an adhesive part used for being connected with an outer plate of the plastic backdoor.
6. A plastic backdoor inner panel as defined in claim 1 wherein: each longitudinal beam and each transverse beam are arranged in a grid shape, so that each lightening hole is in a rectangular array.
7. An automotive back door comprising the plastic back door inner panel as recited in any one of claims 1 to 6, further comprising: and the plastic back door outer plate is connected with the plastic back door inner plate.
8. The back door for a vehicle of claim 7, wherein: a deformation space is formed between the plastic backdoor inner plate and the plastic backdoor outer plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221397745.2U CN217969204U (en) | 2022-06-07 | 2022-06-07 | Plastic backdoor inner plate and automobile backdoor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221397745.2U CN217969204U (en) | 2022-06-07 | 2022-06-07 | Plastic backdoor inner plate and automobile backdoor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217969204U true CN217969204U (en) | 2022-12-06 |
Family
ID=84269639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221397745.2U Active CN217969204U (en) | 2022-06-07 | 2022-06-07 | Plastic backdoor inner plate and automobile backdoor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217969204U (en) |
-
2022
- 2022-06-07 CN CN202221397745.2U patent/CN217969204U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: NINGBO MINTH AUTOMOTIVE PARTS RESEARCH&DEVELOPMENT Co.,Ltd. Assignor: NINGBO XINTAI MACHINERY Co.,Ltd. Contract record no.: X2023980053787 Denomination of utility model: A plastic back door inner panel and a car back door Granted publication date: 20221206 License type: Common License Record date: 20231225 |