CN220199025U - Plastic tail door riveting embedded reinforcing plate structure - Google Patents
Plastic tail door riveting embedded reinforcing plate structure Download PDFInfo
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- CN220199025U CN220199025U CN202321422765.5U CN202321422765U CN220199025U CN 220199025 U CN220199025 U CN 220199025U CN 202321422765 U CN202321422765 U CN 202321422765U CN 220199025 U CN220199025 U CN 220199025U
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- plastic
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- riveting
- reinforcing plate
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- 239000004033 plastic Substances 0.000 title claims abstract description 61
- 229920003023 plastic Polymers 0.000 title claims abstract description 61
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 43
- 239000002184 metal Substances 0.000 claims abstract description 41
- 238000003466 welding Methods 0.000 claims abstract description 16
- 238000004021 metal welding Methods 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910000746 Structural steel Inorganic materials 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 2
- 238000010009 beating Methods 0.000 claims 2
- 238000001746 injection moulding Methods 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
The utility model discloses a plastic tail door riveting embedded reinforcing plate structure, which comprises a plastic tail door body and a door lock mounting plate assembly, wherein an embedded metal plate welding part is arranged in the plastic tail door body, and the metal plate welding part and the plastic tail door body are embedded together through injection molding to form the tail door riveting embedded reinforcing plate body. By adopting the technical scheme, the tail gate riveting embedded reinforcing plate can realize better light weight, the thickness of the reinforcing plate at the mounting point of the plastic tail gate lock is reduced, and the weight of the product is reduced; the reinforcing plate is embedded and connected with the whole plastic tail door in a jogged manner through the riveting of the tail door, so that the rigidity of the whole tail door and the mounting point of the upper door lock of the tail door is improved; the tail gate riveting embedded reinforcing plate is riveted with the door lock mounting plate through the rivet on the sheet metal part, the embedding precision is high, the assembly is not deviated from the hole during the assembly with the door lock, the rejection rate of the injection molding part is reduced, and the manufacturing cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of automobile body structures, and relates to a plastic tail door structure of an automobile body. More particularly, the utility model relates to a plastic tail gate riveting embedded reinforcing plate structure.
Background
At present, in the automobile industry, as more and more strict automobile fuel consumption regulations and emission regulations are implemented, automobile lightweight design has become a trend.
The automobile tail gate is a key moving part of an automobile body and is also one of systems with highest use frequency of the whole automobile. Plastic tailgates are becoming increasingly favored by many host factories for their excellent weight reduction effect. However, the CAE performance of the metal material and the sheet metal reinforcing plate is inferior to that of the plastic tail gate. Therefore, in the prior art, the sheet metal part and the injection molding part are connected through bolts by optimizing the structural design of the reinforcing plate, so that the rigidity and the strength are enhanced, the whole tail gate reaches various performance target values, and the technical requirements of the tail gate are met.
Although the plastic tailgate is used in more and more vehicle types in the market, the defects of the traditional plastic tailgate are increasingly highlighted:
as shown in fig. 1, the structure of the plastic tailgate reinforcement plate in the prior art is typically connected by mounting bolts; the installing position of the tail gate screw-connected reinforcing plate (namely the sheet metal part 1 in the figure) is a projection welding nut 3, and the tail gate screw-connected reinforcing plate and the inner plate (namely the injection molding part 2 in the figure) are connected together through screw connection. However, in the welding process of the projection welding nut 3, plastic deformation of the tail gate lock mounting plate is easy to occur, so that poor injection molding of the tail gate is caused, and the service performance and customer satisfaction of the tail gate are directly affected.
The rigidity and strength of the tail gate are difficult to meet, so that the tail gate is deformed, the tail gate lock is invalid, and the service performance of the tail gate is further deteriorated.
The key words are adopted: "riveted, pre-buried, reinforcing plate, plastic, tail gate" and the like, and the technical literature related to the present utility model in the prior art is searched, and the search result is as follows:
1. chinese patent literature: "automobile tail gate and automobile", patent number 201820452897.5; the technical scheme is as follows:
"automobile tailgate includes: a metal tail gate inner plate and a plastic tail gate outer plate; the outer side surface of the metal tail gate inner plate is fixedly connected with the inner side surface of the plastic tail gate outer plate; the upper part of the inner side surface of the metal tail door inner plate is hinged with the rear end of the vehicle roof; the lower part of the inner side surface of the metal tail door inner plate is provided with a locking structure which is used for being clamped with a lock catch of a car body back panel; the left side part of the inner side surface of the metal tail door inner plate is used for contacting a left rear upright post of the vehicle body; the right side part of the inner side surface of the metal tail door inner plate is used for contacting a right rear upright post of a vehicle body;
the recorded technical effects are as follows:
the plastic tail door outer plate meets the molding freedom degree of the whole automobile, no decoration is needed, the cost is reduced, the processing efficiency is improved, the metal tail door inner plate does not need to be provided with an additional inner plate reinforcing rib, a wire harness can smoothly pass through the space between the inner plate and the outer plate, and the wire harness is convenient to install and replace.
2. Chinese patent literature: "body of automobile", patent No. 201720219746.0; the technical scheme is as follows:
"the body of an automobile includes: a vehicle body frame; the top cover is suitable for being fixedly connected with the cockpit frame above the cockpit frame, the front end of the top cover is fixedly connected with the front coaming assembly, and the rear end of the top cover is fixedly connected with the rear coaming assembly; the trunk lid is suitable for being pivotally connected with the back panel assembly above the trunk frame; a tailgate adapted to be pivotally connected to the luggage compartment frame at a rear of the luggage compartment frame; two front fenders respectively located on left and right sides of the engine compartment frame; the two vehicle doors are respectively positioned at the left side and the right side of the cockpit frame, and the front ends of the vehicle doors are opposite to the rear ends of the front fender; and two rear fenders respectively positioned at left and right sides of the luggage compartment frame, a front end of the rear fender being opposite to a rear end of the door;
the recorded technical effects are as follows:
the automobile body is beneficial to modularization of components, convenient for money changing of automobile types and convenient for disassembly and assembly.
However, none of the above-mentioned technical documents can solve the problems and drawbacks of the prior art that the performance of rigidity and strength of the tail gate is difficult to satisfy, and the tail gate is deformed and the tail gate lock is disabled, and thus the service performance of the tail gate is deteriorated.
Disclosure of Invention
The utility model provides a plastic tail door riveting embedded reinforcing plate structure, which aims to improve the installation strength and rigidity of the whole tail door and a door lock.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model relates to a plastic tail door riveting embedded reinforcing plate structure, which comprises a plastic tail door body and a door lock mounting plate assembly; in the plastic tail gate body, a pre-buried sheet metal welding part is arranged, and the sheet metal welding part and the plastic tail gate body are embedded together through injection molding to form the tail gate riveting pre-buried reinforcing plate body.
The sheet metal welding part comprises a sheet metal part body and a plurality of flat head riveting nuts used for installing a door lock, and the flat head riveting nuts are connected with the sheet metal part body through welding; the flat head riveting nut is fixedly connected with the door lock mounting plate assembly.
The door lock mounting plate assembly is provided with a door lock mounting threaded hole which is matched with the position of the flat head riveting nut, and the door lock mounting threaded hole is fixedly provided with the sheet metal welding part by adopting a fastening bolt and the flat head riveting nut.
The sheet metal part body has a material thickness of 0.8mm.
The sheet metal part body and the flat head rivet nut are made of carbon structural steel.
A plurality of reinforcing connecting columns are arranged on the sheet metal part body and are welded with the sheet metal part body; the reinforced connecting column is buried in the plastic tail gate body.
By adopting the technical scheme, the tail gate riveting embedded reinforcing plate can realize better light weight, and the thickness of the reinforcing plate at the mounting point of the plastic tail gate lock is reduced; the reinforcing plate is embedded and connected with the whole plastic tail door in a jogged manner through the riveting of the tail door, so that the rigidity of the whole tail door and the mounting point of the upper door lock of the tail door is improved; the tail gate riveting embedded reinforcing plate is riveted with the door lock mounting plate through pull riveting on the sheet metal part, so that the embedding precision is high, the assembly is not deviated from a hole when the door lock is assembled, and the rejection rate of the injection molding part is reduced; the weight of the product is reduced, and the manufacturing cost is reduced.
Drawings
The contents of the drawings and the marks in the drawings are briefly described as follows:
FIG. 1 is a diagram of an assembly structure of a prior art plastic tail gate screw-connected pre-buried reinforcing plate device;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic view of the sheet metal weld of the present utility model;
fig. 4 is a schematic structural view of an injection molding member according to the present utility model.
The labels in fig. 1 are:
1. sheet metal part 2, injection molding part 3 and projection welding nut;
the labels in fig. 2-4 are:
1. tail gate riveting pre-buried reinforcing plate body, 2, sheet metal component body, 3, sheet metal seam spare, 4, flat head riveting nut, 5, lock installation screw hole, 6, lock mounting panel assembly spare, 7, plastics tail gate body, 8, injection molding, 9, reinforcing spliced pole.
Detailed Description
The following detailed description of the embodiments of the utility model, given by way of example only, is presented in the accompanying drawings to aid in a more complete, accurate, and thorough understanding of the inventive concepts and aspects of the utility model by those skilled in the art.
The structure of the utility model as shown in fig. 2 to 4 is a plastic tail gate riveting embedded reinforcement plate structure, which comprises a plastic tail gate body 7 and a door lock mounting plate assembly 6. Aiming at the problems and defects existing in the prior art, the utility model develops a structure of a plastic tail door riveting embedded reinforcing plate, which has great significance for improving the integral rigidity of the tail door and the rigidity of a mounting point of a tail door lock and the integral performance.
In order to solve the problems existing in the prior art and overcome the defects thereof and realize the aim of improving the installation strength and rigidity of the whole tail gate and the door lock, the utility model adopts the following technical scheme:
as shown in fig. 2 to 4, in the plastic tail gate riveting embedded reinforcement plate structure of the utility model, an embedded metal plate welding piece 3 is arranged in a plastic tail gate body 7, and the metal plate welding piece 3 and the plastic tail gate body 7 are embedded together through injection molding to form the tail gate riveting embedded reinforcement plate body 1.
After injection molding, the injection molding 8 of the plastic tailgate body 7 is shown in fig. 4.
The utility model is a novel structure of the riveting embedded reinforcing plate of the all-plastic tail gate, can realize better rigidity and embedding precision compared with the existing plastic tail gate, and solves the technical problem that the tail gate lock is invalid due to low precision and poor strength of the traditional plastic tail gate projection welding nut reinforcing plate. And pre-buried reinforcing plate makes the area of atress increase, disperses the power to plastics tail-gate, and whole tail-gate and lock mounting point are difficult for yielding, and tail-gate life increases. The utility model has simple structure and low manufacturing cost.
The sheet metal welding part 3 comprises a sheet metal part body 2 and a plurality of flat head riveting nuts 4 for installing a door lock, and the flat head riveting nuts 4 are connected with the sheet metal part body 2 through welding; the flat head rivet nut 4 is tightly connected with the door lock mounting plate assembly 6.
Compared with the conventional projection welding nut, the flat head riveting nut 4 has higher precision, effectively improves the embedding precision, and also has the effects of reducing the thickness of the embedded reinforcing plate and realizing better light weight.
The door lock mounting plate assembly 6 is provided with a door lock mounting threaded hole 5 which is matched with the position of the flat head riveting nut 4, and the door lock mounting plate assembly 6 is fastened and mounted on the sheet metal welding part 3 by adopting a fastening bolt and the flat head riveting nut 4 on the door lock mounting threaded hole 5.
The position of a door lock mounting threaded hole 5 on the door lock mounting plate assembly 6 is matched with the position of the embedded reinforcing plate flat head riveting nut 4.
The sheet metal part body 2 has a material thickness of 0.8mm.
The thickness of the tail gate reinforcing plate is reduced to 0.8mm from 1.2mm in the prior art by the form of the pre-buried reinforcing plate, so that the weight of the material is reduced.
The sheet metal part body 2 and the flat head rivet nut 4 are made of carbon structural steel.
The carbon structural steel has good welding performance, enough rigidity and strength, and improves the whole quality of the product.
A plurality of reinforcing connecting columns 9 are arranged on the sheet metal part body 2 and are welded with the sheet metal part body 2; the reinforced connecting column 9 is buried in the plastic tail gate body 7.
The plastic tail gate body 7 is buried through a plurality of reinforcing connecting columns 9, so that the connection strength is improved, and the performance requirement of a product is met.
The installation technical scheme of the utility model comprises the following steps:
1. firstly, welding a flat head riveting nut 4 on a sheet metal part 2 to form a sheet metal welded part 3;
2. after the sheet metal welding part 3 is placed at the appointed position of the tail gate injection mold part, the tail gate is integrally injection molded, so that the sheet metal welding part 3 is embedded with the plastic tail gate body 7 to form the tail gate riveting embedded reinforcing plate body 1; the function is as follows: the rigidity of the whole tail gate riveting embedded reinforcing plate body 1 is improved, and meanwhile, the thickness of the reinforcing plate is reduced;
3. and then the embedded reinforcing plate body 1 of the tail door is connected into a whole through the flat head rivet nut 4 on the sheet metal welding piece 3 and the door lock mounting threaded hole 5 on the door lock mounting plate assembly piece 6, and then the door lock is assembled.
In summary, the technical innovation points of the utility model are as follows:
the plastic tail gate structure is designed to solve the problems that the traditional plastic tail gate welding reinforcing plate is easy to deform, has insufficient embedding precision, has higher rejection rate of injection molding parts and has larger lightweight lifting space; when the plastic tail door lock is used, the stressed area is not only accumulated at the bolt connection part between the plastic tail door and the door lock assembly plate, so that stress concentration is generated; instead, the whole sheet metal welding part 3 is dispersed to the whole tail gate, so that the stress area is increased, and the rigidity is enhanced; the integral structure formed by the tail gate main body and the sheet metal part reduces the number of parts and the installation procedure, so that certain short plates existing in the traditional plastic tail gate are effectively solved, the service life of the plastic tail gate is effectively prolonged, the light weight degree is improved, and the manufacturing and customer use cost is reduced.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified or applied directly to other applications without modification, as long as various insubstantial modifications of the method concept and technical solution of the utility model are adopted, all within the scope of the utility model.
Claims (6)
1. The utility model provides a pre-buried reinforcing plate structure of plastics tail-gate riveting, includes plastics tail-gate body (7), lock mounting panel assembly spare (6), its characterized in that: in plastic tail gate body (7), set up pre-buried panel beating seam piece (3), make panel beating seam piece (3) and plastic tail gate body (7) gomphosis together through moulding plastics, constitute pre-buried reinforcing plate body (1) of tail gate riveting.
2. The plastic tailgate riveted embedded reinforcement panel structure of claim 1, wherein: the sheet metal welding part (3) comprises a sheet metal part body (2) and a plurality of flat head riveting nuts (4) for installing a door lock, wherein the flat head riveting nuts (4) are connected with the sheet metal part body (2) through welding; the flat head rivet nut (4) is tightly connected with the door lock mounting plate assembly (6).
3. The plastic tailgate riveted embedded reinforcement panel structure of claim 2, wherein: the door lock mounting plate assembly (6) is provided with a door lock mounting threaded hole (5) which is matched with the position of the flat head riveting nut (4), and the door lock mounting threaded hole (5) is fastened and mounted on the sheet metal welding part (3) by adopting a fastening bolt and the flat head riveting nut (4).
4. The plastic tailgate riveted embedded reinforcement panel structure of claim 2, wherein: the thickness of the sheet metal part body (2) is 0.8mm.
5. The plastic tailgate riveted embedded reinforcement panel structure of claim 2, wherein: the sheet metal part body (2) and the flat head rivet nut (4) are made of carbon structural steel.
6. The plastic tailgate riveted embedded reinforcement panel structure of claim 2, wherein: a plurality of reinforced connecting columns (9) are arranged on the sheet metal part body (2) and are welded with the sheet metal part body (2); the reinforced connecting column (9) is buried in the plastic tail gate body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321422765.5U CN220199025U (en) | 2023-06-06 | 2023-06-06 | Plastic tail door riveting embedded reinforcing plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321422765.5U CN220199025U (en) | 2023-06-06 | 2023-06-06 | Plastic tail door riveting embedded reinforcing plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220199025U true CN220199025U (en) | 2023-12-19 |
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ID=89144559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321422765.5U Active CN220199025U (en) | 2023-06-06 | 2023-06-06 | Plastic tail door riveting embedded reinforcing plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220199025U (en) |
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2023
- 2023-06-06 CN CN202321422765.5U patent/CN220199025U/en active Active
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