CN109774437B - Light-weight all-plastic tail door assembly - Google Patents
Light-weight all-plastic tail door assembly Download PDFInfo
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- CN109774437B CN109774437B CN201910043483.6A CN201910043483A CN109774437B CN 109774437 B CN109774437 B CN 109774437B CN 201910043483 A CN201910043483 A CN 201910043483A CN 109774437 B CN109774437 B CN 109774437B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The invention belongs to the technical field of plastic tail doors, and provides a light-weight all-plastic tail door assembly, which comprises an inner plate, a spoiler, an outer plate, tail window glass and a wind window decoration piece, wherein the inner plate, the spoiler and the outer plate are bonded to form a whole, a sandwich type gluing structure is formed among the spoiler, the tail window glass and the inner plate, and a tail lamp installation U-shaped cavity, a left side main reinforcing beam, a right side main reinforcing beam, a left side auxiliary reinforcing beam, a right side auxiliary reinforcing beam, a door lock installation hole area, a left tail lamp maintenance hole area, a right tail lamp maintenance hole area, a left side buffer block installation position and a right side buffer block installation position are arranged at one side of the inner plate. The invention has the advantages of providing a quantifiable data basis for the subsequent plastic tail gate products, being capable of easily transplanting the scheme and obtaining good mechanical properties of the plastic tail gate, thereby greatly reducing the development difficulty and the development cost of the plastic tail gate products.
Description
Technical Field
The invention belongs to the technical field of plastic tail doors, relates to a plastic tail door, and in particular relates to a light-weight all-plastic tail door assembly.
Background
Along with the electric surge of the automobile, under the condition that the existing battery endurance is slowly improved, how to carry out lightweight design on the automobile becomes an important means for improving the whole automobile endurance of the electric automobile. The plastic tail gate is an emerging lightweight technology, and is favored by large host factories because of its excellent lightweight effect. However, compared with the traditional metal tail gate, the full-plastic tail gate is manufactured by thermoplastic materials on the inner and outer plates, and the forming method is greatly different from the traditional metal tail gate in terms of stamping, welding and forming, so that the design thought of the full-plastic tail gate is greatly different from that of the traditional metal tail gate. On one hand, in the design and development process of the all-plastic tail gate, the requirement of mechanical performance of the tail gate is concerned, and structural optimization in various modes is carried out; on the other hand, attention is also paid to the design of various hand piece interfaces on the tail gate. The number of the opponent parts on the tail door is large, such as a hinge, a stay rod ball pin, a door lock, glass, a high brake lamp, a glass cleaning fluid nozzle, a wiper motor, a tail lamp, a tail door wire harness, an antenna wire harness, a door lock motor, an inner decorative plate and the like, and the design of the opponent parts requires the design of corresponding interfaces on an inner plate or an outer plate and a spoiler, and the design of the interfaces often has weakening effect on the performance of the tail door. And often many interfaces exist overlap joint relation each other, with tail-gate structural design complicacy, the shortcoming of current plastic tail-gate is: the required space of gluing area is big, and the design of modelling is most, and the gluing orbit is arranged, and the gluing effect all has the restriction, and the lamp of stopping highly arranges the restriction, and spoiler assembly size is difficult to control local rigidity and is difficult to satisfy, has two kinds in addition at the scheme that tail-gate inner panel design scheme generally adopted: 1. a large number of reinforcing ribs are added on the B surface of the product for reinforcement; the scheme has the defects that too many reinforcing ribs cause the problem of shrinkage on the surface of the product, and on the other hand, the demolding difficulty of the product is increased; 2. locally adding metal inserts or composite reinforcement glue reinforcement, this solution has the disadvantage of increasing the number of products and the production cycle time, with an increase in costs.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, provides a light-weight all-plastic tail gate assembly, has unique innovations in structural design on the basis of the existing mature plastic tail gate scheme, and provides a design thought for the subsequent plastic tail gate.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a lightweight plastic tail gate assembly, its characterized in that, includes inner panel, spoiler, planking, tail glass and window decoration, inner panel, spoiler and planking bond and constitute a whole, form the sandwich rubber coating structure that is used for expanding the rubber coating space between spoiler and the inner panel between spoiler, tail glass and the inner panel three, in interior scooter one side department including tail lamp installation U die cavity, left side main stiffening beam, right side main stiffening beam, left side pair stiffening beam, right side pair stiffening beam, door lock mounting hole region, left tail lamp maintenance hole region, right tail lamp maintenance hole region, left side buffer block mounted position and right side buffer block mounted position, tail lamp installation U die cavity is located under the glass window, left side main stiffening beam and right side main stiffening beam are connected to door lock mounting hole region from left tail lamp maintenance hole region and right side main stiffening beam, left side pair stiffening beam points to left side buffer block mounted position and right side buffer block mounted position respectively.
In the light-weight all-plastic tail gate assembly, the left main reinforcing beam, the right main reinforcing beam, the left auxiliary reinforcing beam and the right auxiliary reinforcing beam are all U-shaped.
In the light-weight all-plastic tail gate assembly, the left side main reinforcement beam, the right side main reinforcement beam, the left side auxiliary reinforcement beam and the right side auxiliary reinforcement beam are arranged at the intersection positions of the outer side of the inner scooter, and the left quadrangle and diagonal crossing reinforcement units and the right quadrangle and diagonal crossing reinforcement units are arranged at the intersection positions of the left side main reinforcement beam, the right side main reinforcement beam, the left side auxiliary reinforcement beam and the right side auxiliary reinforcement beam.
In the light-weight all-plastic tail gate assembly, the left hinge installation area and the right hinge installation area are arranged in the spoiler area on one side outside the inner scooter, the middle area of the left hinge installation area and the middle area of the right hinge installation area is provided with the oblique crossed rib position and the vertical reinforcing rib position, and the oblique crossed rib position is provided with the annular rib position.
In the light-weight all-plastic tail gate assembly, the first local vertical reinforcing ribs, the second local vertical reinforcing ribs and the transverse reinforcing ribs are arranged at the left and right upper corner regions of the inner plate, the transverse reinforcing ribs penetrate through the upper region of the inner plate and are directly connected to the second local vertical reinforcing ribs from the first local vertical reinforcing ribs, and the left hinge mounting region and the right hinge mounting region are provided with left hinge reinforcing ribs and right hinge reinforcing ribs respectively at two sides.
In the light-weight all-plastic tail gate assembly, the air window decorating part is assembled on the inner plate through the screws, the whole spoiler is adhered to the inner plate through the adhesive, the gluing track of the upper edge of the tail window glass is positioned on the coating surface of the spoiler, a cavity area is formed between the spoiler and the inner plate, the inner plate in the cavity area is provided with the first reinforcing rib and the second reinforcing rib, and the inner plate at the part gluing area under the spoiler and the tail window glass is provided with the flanging.
In the light-weight all-plastic tail gate assembly, the outer plate is adhered to the inner plate through the adhesive at the edge adhesion area of the tail window glass, and the edge of the inner plate is also provided with a flanging for preventing glue overflow and improving the rigidity of the tail gate.
In the light-weight all-plastic tail gate assembly, the inner plate is provided with the tail gate inner decoration mounting hole, the tail gate inner decoration Y-direction positioning hole, the mounting bracket upper hole and the door lock reinforcing plate pre-assembly hole respectively, the inner plate at the lower end of the tail window glass is provided with the third reinforcing rib, the mounting bracket of the tail gate license plate area electric device is arranged on the outer plate in a welding mode, the outer plate and the inner plate are adhered and fixed in the license plate area through an adhesive, the lower edge of the outer plate is adhered to the inner plate through the adhesive, and the door lock reinforcing plate pre-assembly hole area is provided with the reinforcing plate for locally reinforcing and dispersing stress.
In the light-weight all-plastic tail gate assembly, the spoiler and the inner plate are assembled together through the adhesive, an assembly gap is formed between the spoiler and the inner plate, the tail window glass gluing track spans the assembly gap between the spoiler and the inner plate, and the adhesive fills up the assembly gap, so that the edge gluing is in direct contact with the adhesive between the spoiler and the inner plate to form an adhesive interface.
In the light-weight all-plastic tail gate assembly, the tail gate stay bar ball pin installation area is further arranged on the inner plate, the tail gate stay bar ball pin installation hole is formed in the tail gate stay bar ball pin installation area, the stand column reinforcing plate and the ball pin reinforcing plate are arranged at the tail gate stay bar ball pin installation hole, and are welded and then molded together with the inner plate injection molding process to strengthen the inner plate in an insert injection molding mode.
In the light-weight all-plastic tail gate assembly, the U-shaped groove is formed in the upright post reinforcing plate, and the T-shaped reinforcing rib and the vertical rib used for longitudinally reinforcing the tail gate and improving bending rigidity are arranged in the U-shaped groove formed by the upright post reinforcing plate.
In the light-weight all-plastic tail door assembly, a fourth reinforcing rib for improving rigidity of the tail door is arranged at one section edge of the U-shaped groove of the upright post reinforcing plate, and a Z-direction positioning hole of an inner decorative plate of the tail door is formed beside the fourth reinforcing rib.
In the light-weight all-plastic tail gate assembly, the tail gate hinge mounting hole and the hinge reinforcing plate are further formed in the inner plate, the hinge reinforcing plate and the upright post reinforcing plate are welded and then integrally injection-molded with the inner plate in an embedded mode to form a whole, and the fifth reinforcing rib and the sixth reinforcing rib are arranged in a cavity formed by the inner plate and the spoiler.
In the light-weight all-plastic tail gate assembly, the rib position and the seventh reinforcing rib are arranged in the lower area where the spoiler is bonded with the inner plate, and the rib position and the seventh reinforcing rib are connected and integrated.
Compared with the prior art, the invention has the advantages that the design of the gluing area, the design of the high brake lamp arrangement area and the spoiler assembly design are convenient, the spoiler assembly size is accurate to control, the local rigidity strength is good, the problem of possible water leakage is solved, a set of unique tail gate reinforcement design scheme method is formed, a quantifiable data basis is provided for the subsequent plastic tail gate products, the product structure design scheme of the invention has good portability, and in the new plastic tail gate development project, the scheme can be easily transplanted, and good plastic tail gate mechanical property is obtained, so that the plastic tail gate products development difficulty and development cost are greatly reduced.
Drawings
FIG. 1 is a schematic view of the front structure of an inner panel of a lightweight all-plastic tailgate assembly;
FIG. 2 is a partial schematic view of a spoiler in section view of an all-plastic tailgate;
FIG. 3 is a schematic view of a partial structure of a section outer plate of the full plastic tail gate A-A;
FIG. 4 is a cross-sectional view of an all-plastic tailgate C-C;
FIG. 5 is a schematic view of the structure of a spoiler part A with a C-C section of the full plastic tail gate;
FIG. 6 is a schematic view of the structure of the section outside plate of the full plastic tail gate at the part B;
FIG. 7 is a schematic view of the rear structure of the full plastic tailgate (shown as one side in a full plastic tailgate vehicle);
FIG. 8 is a section E-E of the full plastic tailgate;
FIG. 9 is a section D-D of the full plastic tailgate;
FIG. 10 is a section F-F of the full plastic tailgate;
FIG. 11 is a schematic view of the front structure of a lightweight all-plastic tailgate inner panel;
FIG. 12 is a schematic view of the exterior side construction of the rear interior scooter of FIG. 11;
fig. 13 is a schematic view of the rear face of fig. 11 at the spoiler on the outer side of the inner scooter.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
In the figure, a spoiler 1; a window decoration 2; an outer plate 3; a tail window glass 4; an inner plate 5; a first reinforcing rib 6; second reinforcing ribs 7; an adhesive 8; edge gluing 9; a mounting bracket 10; a flange 11; a third reinforcing rib 12; a tail gate inner trim mounting hole 13; y-direction positioning holes 14 of tail gate inner decorating parts; mounting bracket upper aperture 15; a reinforcing plate 16; a door lock reinforcing plate pre-assembly hole 17; a tail gate stay ball stud mounting hole 18; column reinforcement plates 19; a ball stud reinforcing plate 20; t-shaped reinforcing ribs 21; vertical ribs 22; fourth reinforcing ribs 23; z-directional positioning holes 24 of an inner decorative plate of the tail gate; tail gate hinge mounting holes 25; a hinge reinforcing plate 26; fifth reinforcing ribs 27; sixth reinforcing ribs 28; seventh reinforcing ribs 29; a rib position 30; an assembly gap 31; the tail lamp is provided with a U-shaped cavity 32; a left main reinforcement beam 33; a right main reinforcement beam 34; a left side auxiliary reinforcing beam 35; a right side auxiliary reinforcing beam 36; a door lock mounting hole area 37; a left tail light service hole area 38; a right taillight service hole area 39; a left bumper mounting location 40; right bumper mounting location 41; a left quadrangle and diagonal crossing reinforcement unit 42; a right quadrangle and diagonal crossing reinforcement unit 43; oblique cross rib locations 44; a left hinge reinforcing rib 45; a right hinge stiffener 46; transverse reinforcing ribs 47; first partial vertical stiffeners 48; a second local vertical stiffener 49; a left hinge mounting area 50; a right hinge mounting area 51; annular rib 52; vertical stiffener locations 53; glass window 54.
As shown in fig. 1, the plastic tail gate comprises an inner plate 5, a spoiler 1, an outer plate 3, tail glass 4 and a window decoration 2, wherein the inner plate 5 is mainly made of pp+lgf40 material, the spoiler 1 and the outer plate 3 are bonded by a two-component polyurethane adhesive 8, the window decoration 2 is assembled on the inner plate 5 by screws, and as shown in fig. 2, a sandwich type glue coating structure for expanding a glue coating space between the spoiler 1 and the inner plate 5 is formed among the spoiler 1, the tail glass 4 and the inner plate 5.
As shown in fig. 11, the inner panel 5 of the present plastic tail gate is located at the glass window hole 54, and at one side of the inner panel 5 in the vehicle, there are included a tail lamp mounting U-shaped cavity 32, a left side main reinforcement beam 33, a right side main reinforcement beam 34, a left side sub reinforcement beam 35, a right side sub reinforcement beam 36, a door lock mounting hole area 37, a left tail lamp repair hole area 38, a right tail lamp repair hole area 39, a left side bumper mounting position 40, and a right side bumper mounting position 41, the tail lamp mounting U-shaped cavity 32 is located directly under the glass window hole, the left side main reinforcement beam 33 and the right side main reinforcement beam 34 are connected to the door lock mounting hole area 37 from the left and right tail lamp repair hole areas 38 and 39, the left and right side sub reinforcement beams 35 and 36 are directed to the left and right bumper mounting positions 40 and 41, respectively, the main left reinforcement beam 33, the main right reinforcement beam 34, the auxiliary left reinforcement beam 35 and the auxiliary right reinforcement beam 36 are all in a U shape, and the biggest innovation of the patent is that the U-shaped reinforcing area formed by the main left reinforcement beam 33, the main right reinforcement beam 34, the auxiliary left reinforcement beam 35 and the auxiliary right reinforcement beam 36 can strengthen the whole plastic tail door inner plate, and the left main reinforcement beam 33 and the right main reinforcement beam 34 can improve the installation connection strength of the whole left tail lamp, the right tail lamp and the door lock, and the auxiliary left reinforcement beam 35 and the auxiliary right reinforcement beam 36 point to the left side and the right side, so that the reinforcing effect is exerted on the outside, thereby obtaining good mechanical performance of the plastic tail door, and greatly reducing the development difficulty and the development cost of the plastic tail door product.
As shown in fig. 12, left and right main reinforcement beams 33, 34, 35, 36 are provided at the intersection positions of the left and right sub reinforcement beams 5 on the vehicle exterior side, four reinforcement beams can be integrally connected by the left and right quadrangular and diagonal cross reinforcement units 42, 43, the mechanical effect is remarkable, not only the mechanical properties such as torsional rigidity of the tailgate inner panel can be improved, but also the support is locally formed, as shown in fig. 13, a left hinge mounting region 50 and a right hinge mounting region 51 are provided at the vehicle exterior side spoiler region of the inner panel 5, diagonal cross rib positions 44 and vertical rib positions 53 are arranged at the intermediate regions of the left and right hinge mounting regions 50 and 51, the oblique cross rib position 44 is provided with an annular rib position 52, the oblique cross rib position 44 and the vertical reinforcing rib position 53 can be used for reinforcing the oblique direction and the vertical direction, the annular rib position 52 plays a role of integral connection, the left and right upper corner regions of the inner plate 5 are provided with a first local vertical reinforcing rib 48, a second local vertical reinforcing rib 49 and a transverse reinforcing rib 47, the transverse reinforcing rib 47 penetrates through the upper region of the inner plate 5 and is directly connected to the second local vertical reinforcing rib 49 from the first local vertical reinforcing rib 48, the left hinge position reinforcing rib 45 and the right hinge position reinforcing rib 46 are respectively arranged on two sides of the left hinge mounting region 50 and the right hinge mounting region 51, and the left hinge position reinforcing rib 45 and the right hinge position reinforcing rib 46 can be vertically arranged from the vertical direction through the first local vertical reinforcing rib 48, the second local vertical reinforcing rib 49 and the transverse reinforcing rib 47, the transverse direction improves the mechanical properties such as torsional rigidity and the like of the left and right upper corner regions of the inner plate 5, and the strength of the mounting hinge can be increased by the left side hinge reinforcing ribs 45 and the right side hinge reinforcing ribs 46.
In the cavity region formed between spoiler 1 and inner panel 5, in spoiler 1 part, spoiler 1 wholly bonds to inner panel 5 through binder 8, the track of tail window glass 4 upper edge rubber coating 9 is located spoiler 1 coating face, this kind of sandwich rubber coating structural design can expand the rubber coating space between spoiler 1 and inner panel 5 greatly, reduce the design degree of difficulty, in the cavity internal region that spoiler 1 and inner panel 5 formed, inner panel 5 part design has first strengthening rib 6 and second strengthening rib 7, the strengthening rib not only can promote mechanical properties such as tail gate torsional rigidity, and in part formation support, play the effect of promoting spoiler 1 part rigidity, spoiler 1 part is in the rubber coating region, the last turn-ups 11 that design of inner panel 5 can prevent glue and spill over, have the effect of structural reinforcement simultaneously.
As shown in fig. 3, in the bonding area at the lower edge of the tail glass 4, the outer plate 3 is bonded to the inner plate 5 through the adhesive 8, the edge of the inner plate 5 is designed with a flange 11, which plays roles of preventing glue overflow and improving the rigidity of the tail door, the inner plate 5 is respectively provided with a mounting hole 13 for the tail door inner decoration, a Y-direction positioning hole 14 for the tail door inner decoration, an upper hole 15 for a mounting bracket and a door lock reinforcing plate pre-assembly hole 17, the inner plate 5 at the lower end of the tail glass 4 is provided with a third reinforcing rib 12, the third reinforcing rib 12 can improve the mechanical property of the tail door, the mounting bracket 10 of an electric device in the tail door license plate area is mounted on the outer plate 3 through a welding mode, the outer plate 3 and the inner plate 5 are bonded and fixed in the license plate area through the adhesive 8, the lower edge of the outer plate 3 is bonded to the inner plate 5 through the adhesive 8, the door lock reinforcing plate pre-assembly hole 17 is provided with a reinforcing plate 16 for locally reinforcing and dispersing stress, and the upper hole 15 for mounting the outer switch handle of the tail door.
Fig. 4 to 6 are cross-sectional views of overlapping areas of the edge glue 9 and the spoiler 1, and the outer plate 3 and the inner plate 5, as shown in fig. 4, the spoiler 1 and the inner plate 5 are assembled together by the adhesive 8, an assembly gap 31 is formed between the spoiler 1 and the inner plate 5, the glue track of the tail glass 4 spans the assembly gap 31 between the spoiler 1 and the inner plate 5, and the adhesive 8 fills up the assembly gap 31, so that the edge glue 9 and the adhesive 8 between the spoiler 1 and the inner plate 5 are in direct contact to form an adhesive interface, and if the gap is not treated, the risk of water leakage may occur. The solution proposed by the invention is to fill up the gap by using the adhesive 8, so that the edge glue 9 is in direct contact with the adhesive 8 between the spoiler 1 and the inner plate 5 to form an adhesive interface, thereby achieving a sealing effect, solving the possible water leakage problem, and the solution is that the adhesive 8 of the tail glass 4 passes through the section of the gap area formed by assembling the outer plate 3 and the inner plate 5 in a track way, and the solution is the same as that of the spoiler 1.
As shown in fig. 7 and 8, the inner plate 5 is further provided with a tail gate stay bar ball pin mounting area, a tail gate stay bar ball pin mounting hole 18 is formed in the tail gate stay bar ball pin mounting area, a stand column reinforcing plate 19 and a ball pin reinforcing plate 20 are arranged at the tail gate stay bar ball pin mounting hole 18, the stand column reinforcing plate 19 and the ball pin reinforcing plate 20 are welded and then are molded together with the inner plate 5 in an insert injection molding mode, the inner plate 5 is reinforced by an injection molding process, a U-shaped groove is formed in the stand column reinforcing plate 19, a T-shaped reinforcing rib 21 and a vertical rib 22 for reinforcing the longitudinal direction of the tail gate are arranged in the U-shaped groove formed in the stand column reinforcing plate 19, a fourth reinforcing rib 23 for improving the rigidity of the tail gate is arranged at one edge of the U-shaped groove of the stand column reinforcing plate 19, and a Z-direction positioning hole 24 for a decorative plate in the tail gate is arranged beside the fourth reinforcing rib 23.
As shown in fig. 9, the inner panel 5 is further provided with a tail gate hinge mounting hole 25 and a hinge reinforcing plate 26, the hinge reinforcing plate 26 and the column reinforcing plate 19 are welded and then are integrally injection-molded with the inner panel 5 in the form of an insert, a fifth reinforcing rib 27 and a sixth reinforcing rib 28 are arranged in a cavity formed by the inner panel 5 and the spoiler 1, as shown in fig. 10, a rib position 30 and a seventh reinforcing rib 29 are arranged in a lower area where the spoiler 1 is adhered to the inner panel 5, the rib position 30 is connected with the seventh reinforcing rib 29 and is integrated, the rib position 30 mainly plays a limiting role, and the problem of size caused by overlarge deformation of the lower area of the spoiler 1 in the gluing process is prevented.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The light-weight all-plastic tail door assembly is characterized by comprising an inner plate, a spoiler, an outer plate, tail glass and a wind window decoration piece, wherein the inner plate, the spoiler and the outer plate are bonded to form a whole, a sandwich type gluing structure for expanding a gluing space between the spoiler and the inner plate is formed among the spoiler, the tail glass and the inner plate, a tail lamp installation U-shaped cavity, a left main reinforcing beam, a right main reinforcing beam, a left auxiliary reinforcing beam, a right auxiliary reinforcing beam, a door lock installation hole area, a left tail lamp maintenance hole area, a right tail lamp maintenance hole area, a left buffer block installation position and a right buffer block installation position are formed at one side of the inner plate, the left main reinforcing beam and the right main reinforcing beam are respectively pointed to the left buffer block installation position and the right buffer block installation position from the left tail lamp maintenance hole area and the right tail lamp maintenance hole area, and the left auxiliary reinforcing beam and the right auxiliary reinforcing beam are respectively pointed to the left buffer block installation position and the right buffer block installation position; the left main reinforcement beam, the right main reinforcement beam, the left auxiliary reinforcement beam and the right auxiliary reinforcement beam are U-shaped, and a left quadrangle and diagonal crossing reinforcement unit and a right quadrangle and diagonal crossing reinforcement unit are arranged at the intersection positions of the left main reinforcement beam, the right main reinforcement beam, the left auxiliary reinforcement beam and the right auxiliary reinforcement beam at one side outside the inner scooter; the left hinge installation area and the right hinge installation area are arranged in the spoiler area on one side outside the inner plate vehicle, an oblique crossing rib position and a vertical reinforcing rib position are arranged in the middle area of the left hinge installation area and the right hinge installation area, an annular rib position is arranged at the oblique crossing rib position, a first local vertical reinforcing rib, a second local vertical reinforcing rib and a transverse reinforcing rib are arranged at the left corner area and the right corner area of the inner plate, the transverse reinforcing rib penetrates through the upper area of the whole inner plate and is directly connected to the second local vertical reinforcing rib from the first local vertical reinforcing rib, and reinforcing ribs at the left hinge position and the right hinge position are respectively arranged on two sides of the left hinge installation area and the right hinge installation area; the inner plate is also provided with a tail gate stay bar ball pin mounting area, the tail gate stay bar ball pin mounting area is provided with a tail gate stay bar ball pin mounting hole, the tail gate stay bar ball pin mounting hole is provided with a stand column reinforcing plate and a ball pin reinforcing plate, the stand column reinforcing plate and the ball pin reinforcing plate are welded and then are molded together with the inner plate in an injection molding process through an insert molding mode, the inner plate is reinforced, a U-shaped groove is formed in the stand column reinforcing plate, and a T-shaped reinforcing rib and a vertical rib which are used for longitudinally reinforcing the tail gate and improving bending rigidity are arranged in the U-shaped groove formed in the stand column reinforcing plate; the lower area of the spoiler, which is bonded with the inner plate, is provided with a rib position and a seventh reinforcing rib, and the rib position is connected with the seventh reinforcing rib and is integrated with the seventh reinforcing rib.
2. The light-weight all-plastic tail gate assembly of claim 1, wherein the window decoration is assembled on the inner plate through screws, the whole spoiler is adhered on the inner plate through an adhesive, the gluing track of the upper edge of the tail glass is positioned on the coating surface of the spoiler, a cavity area is formed between the spoiler and the inner plate, a first reinforcing rib and a second reinforcing rib are arranged on the inner plate in the cavity area, a flanging is arranged on the inner plate in the partial gluing area under the spoiler and the tail glass, the outer plate is adhered on the inner plate through the adhesive in the edge bonding area of the tail glass, and a flanging for preventing glue overflow and improving the rigidity of the tail gate is also arranged at the edge of the inner plate.
3. The light-weight all-plastic tail gate assembly of claim 1, wherein the inner plate is provided with a tail gate inner decoration mounting hole, a tail gate inner decoration Y-direction positioning hole, a mounting bracket upper hole and a door lock reinforcing plate pre-assembly hole respectively, the inner plate at the lower end of the tail window glass is provided with a third reinforcing rib, the mounting bracket of an electric device in a tail gate license plate area is arranged on the outer plate in a welding mode, the outer plate and the inner plate are bonded and fixed in the license plate area through an adhesive, the lower edge of the outer plate is bonded to the inner plate through the adhesive, and the door lock reinforcing plate pre-assembly hole area is provided with a reinforcing plate for locally reinforcing and dispersing stress.
4. The light-weight all-plastic tail gate assembly of claim 1, wherein the spoiler and the inner plate are assembled together by an adhesive, an assembly gap is formed between the spoiler and the inner plate, the tail glass gluing track spans the assembly gap between the spoiler and the inner plate, and the adhesive fills up the assembly gap so that the edge gluing is in direct contact with the adhesive between the spoiler and the inner plate to form an adhesive interface.
5. The light-weight all-plastic tail gate assembly of claim 1, wherein a fourth reinforcing rib for improving the rigidity of the tail gate is arranged at one section edge of the U-shaped groove of the upright post reinforcing plate, and a Z-direction positioning hole of an inner decorative plate of the tail gate is arranged beside the fourth reinforcing rib.
6. The light-weight all-plastic tail gate assembly of claim 1, wherein the inner plate is further provided with a tail gate hinge mounting hole and a hinge reinforcing plate, the hinge reinforcing plate and the upright post reinforcing plate are welded and then integrally injection-molded with the inner plate in an embedded mode to form a whole, and a fifth reinforcing rib and a sixth reinforcing rib are arranged in a cavity formed by the inner plate and the spoiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910043483.6A CN109774437B (en) | 2019-01-17 | 2019-01-17 | Light-weight all-plastic tail door assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910043483.6A CN109774437B (en) | 2019-01-17 | 2019-01-17 | Light-weight all-plastic tail door assembly |
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| Publication Number | Publication Date |
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| CN109774437A CN109774437A (en) | 2019-05-21 |
| CN109774437B true CN109774437B (en) | 2024-09-10 |
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| CN201910043483.6A Active CN109774437B (en) | 2019-01-17 | 2019-01-17 | Light-weight all-plastic tail door assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021052114A1 (en) * | 2019-09-19 | 2021-03-25 | 宁波信泰机械有限公司 | High-integration-level plastic tail door |
| CN110901352B (en) * | 2019-12-20 | 2021-07-02 | 东风汽车有限公司 | Resin back door inner plate |
| CN110949240B (en) * | 2019-12-20 | 2021-08-17 | 东风汽车有限公司 | Resin back of body door tail lamp installation component and resin back of body door |
| CN112848858A (en) * | 2021-03-04 | 2021-05-28 | 宁波信泰机械有限公司 | Water-assisted molding plastic tail gate inner plate |
| CN114633609B (en) * | 2022-03-16 | 2024-01-30 | 湖南湖大艾盛汽车零部件装备制造有限公司 | Detachable all-plastic tail gate structure of planking |
| CN114771223A (en) * | 2022-04-11 | 2022-07-22 | 中国第一汽车股份有限公司 | Automobile back door assembly and manufacturing process thereof |
| CN115195873B (en) * | 2022-07-15 | 2023-10-20 | 安徽金诚复合材料有限公司 | Integrated full-plastic tail gate and processing method thereof |
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