CN113352999A - Plaque and door in door - Google Patents
Plaque and door in door Download PDFInfo
- Publication number
- CN113352999A CN113352999A CN202110789309.3A CN202110789309A CN113352999A CN 113352999 A CN113352999 A CN 113352999A CN 202110789309 A CN202110789309 A CN 202110789309A CN 113352999 A CN113352999 A CN 113352999A
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- CN
- China
- Prior art keywords
- panel
- door
- decorative board
- decorative
- transverse
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
- B60R13/0237—Side or rear panels
- B60R13/0243—Doors
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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
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/042—Reinforcement elements
- B60J5/0456—Behaviour during impact
Abstract
The application discloses plaque and door in door, plaque includes in the door: plaque main part and setting are in plaque main part is in the door towards the first decorative board of door glass one end terminal surface, plaque main part in the door with first decorative board all can be dismantled with the door panel beating and be connected, be provided with at least one weakening structure on the first decorative board. The application discloses plaque and door in door solves the unsatisfactory problem of protection effect that the plaque provided in the current door.
Description
Technical Field
The application relates to the technical field of vehicle doors, in particular to a door interior trim panel and a door.
Background
With the improvement of living standard, nowadays, automobiles become indispensable vehicles for families, automobile safety becomes an important index considering automobile performance, and the evaluation of whether automobiles can be represented in different aspects is carried out, so that the collision safety performance is particularly important.
In a vehicle collision test, the side pillar collision has the most strict requirement on the side structure of the vehicle body, and under the working condition of the side pillar collision test, if the front door of the vehicle body is greatly invaded, so that the decorative plate at the top of the vehicle door inner decorative plate is separated from the metal plate of the vehicle door, the side airbag is extruded, the airbag protection effect is reduced, and even the chest of a dummy can be directly extruded to cause injury to the dummy.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a door trim panel and a door, so as to solve the problem that the protection effect provided by the conventional door trim panel is not ideal.
Based on above-mentioned purpose this application provides a plaque in door, includes:
plaque main part and setting are in plaque main part is in the door towards the first decorative board of door glass one end terminal surface, plaque main part in the door with first decorative board all with the connection can be dismantled to the door panel beating, be provided with at least one weakening structure on the first decorative board.
Optionally, the first decorative panel comprises a first transverse panel and a first longitudinal panel extending from at least a partial edge of the first transverse panel, the weakening structure being provided on the first transverse panel.
Optionally, the weakening structure comprises at least one through hole, each through hole being provided on the first transverse panel.
Optionally, the number of the through holes is multiple, and the multiple through holes are distributed in an array on the first transverse panel.
Optionally, a distance between two adjacent through holes in the width direction of the first transverse panel is smaller than a distance between two adjacent through holes in the length direction of the first transverse panel.
Optionally, the first transverse panel includes a first end and a second end that are arranged oppositely, the first end is arranged towards the front windshield of the vehicle body, the first longitudinal panel is provided with a groove that extends towards the first end, and the plurality of through holes extend from the second end to the first end.
Optionally, at least a portion of the thickness of the first transverse panel tapers towards the second end.
Optionally, a plurality of first clamping portions are arranged on the first longitudinal panel at intervals along the length direction, and a second clamping portion matched with the first clamping portions is arranged on the vehicle door sheet metal.
This application still provides a door, the door includes the door panel beating and can dismantle the connection and be in on the door panel beating as above-mentioned plaque in the door.
In addition, optionally, the door trim panel includes a door trim panel main body, and a second decorative panel and a third decorative panel which are connected to the door trim panel main body from the first decorative panel to the top down in sequence, the second decorative panel is connected with the first decorative panel in an embedded manner, and the third decorative panel is provided with a handrail.
From the foregoing, the vehicle door interior trim panel and the vehicle door provided by the application have the following advantages compared with the prior art: set up the reduction structure on first decorative board, when the door received the striking, the reduction structure produced and warp, at the deformation process, when having consumed the energy, still made first decorative board produce and buckle, avoided first decorative board and door panel beating separation, reduced the invasion of first decorative board, avoided the dummy to damage, and then protected the passenger.
Drawings
The above features and technical advantages of the present application will become more apparent and readily appreciated from the following description of the embodiments thereof taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic view of a door trim panel employed in an embodiment of the present application.
Fig. 2 is a schematic view of a first trim panel of the door trim panel shown in fig. 1.
Fig. 3 is a partially enlarged view of a first decorative plate of the door trim panel shown in fig. 2 at a point a.
Fig. 4 is a graph showing comparison of chest injuries of a dummy in a side pillar collision of the door trim panel without the weakening structure and the door trim panel shown in fig. 1.
Wherein the reference numbers:
1. a first decorative plate; 2. a second decorative panel; 3. a third decorative panel; 4. a door trim panel body; 5. and a through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to the accompanying drawings in combination with specific embodiments. In which like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward and away from, respectively, the geometric center of a particular component.
Fig. 1 is a schematic view of a door trim panel employed in an embodiment of the present application. Fig. 2 is a schematic view of a first trim panel of the door trim panel shown in fig. 1. Fig. 3 is a partially enlarged view of a first decorative plate of the door trim panel shown in fig. 2 at a point a. As shown in fig. 1 to 3, the door trim panel includes a door trim panel body 4 and a first trim panel 1.
Plaque main part 4 and set up in the door in plaque main part 4 towards the first decorative board 1 of door glass one end terminal surface, plaque main part 4 and first decorative board 1 all can be dismantled with the door panel beating in the door and be connected, are provided with at least one weakening structure on the first decorative board 1.
Plaque main part 4 and first decorative board 1 all can be dismantled and connect on the door panel beating in the door, and plaque main part 4 provides the supporting role for first decorative board 1 in the door, and plaque main part 4's top is located in the door to first decorative board 1, is close to door glass setting. First decorative board 1 adopts the material preparation of moulding plastics to form usually, and because of the material plasticity of moulding plastics is relatively weak, when carrying out the side post and bump test operating mode, probably takes place first decorative board 1 and breaks away from the door panel beating. Because of the relative setting of first decorative board 1 and dummy's chest again, in case take place the separation, probably cause the hindrance to the gasbag or cause the injury to the dummy, set up the reduction structure on first decorative board 1, on the basis of guaranteeing first decorative board 1 performance, correspondingly reduce the local structural strength of first decorative board 1, in case receive the side impact, first decorative board 1 will produce the deformation for first decorative board 1 is difficult for separating with the door panel beating.
Adopt above-mentioned plaque in door, set up the reduction structure on first decorative board 1, when the door received the striking, the reduction structure produced and warp, and in deformation process, when having consumed the energy, still made first decorative board 1 produce and buckle, avoided first decorative board 1 and door panel beating separation, reduced the invasion of first decorative board 1, avoided the dummy to damage, and then protected the passenger.
In the present embodiment, the weakening structure includes, but is not limited to, at least one of a through hole 5, a groove, a gradual thickness, and a reduced thickness, and the through hole 5 includes, but is not limited to, a through hole 5 structure of a common shape such as a round hole, a long hole, and the like. The gradual thickness is that the thickness of a local area is set to gradually increase from near to far towards the periphery or two side areas, and the thickness of the local area is thinner as the local area is closer to the center. The reduced thickness means that the thickness of the local region is set to be smaller relative to the thickness of the peripheral or both side regions thereof, and the weakened structure is formed by reducing the thickness of the local region. In this embodiment, the door trim main body 4 and the first trim panel 1 are connected together by welding, screwing, and clipping.
In this embodiment, the door trim panel main body 4 is connected together with the door panel beating accessible joint, if be provided with first buckle on the door trim panel main body 4, be provided with the first bayonet socket that uses with the buckle cooperation on the door panel beating.
In this embodiment, the first decorative panel 1 and the door sheet metal can be connected together by clamping. If be provided with the second buckle on first decorative board 1, be provided with the second bayonet socket that uses with the buckle cooperation on the door panel beating.
Fig. 4 is a graph showing comparison of chest injuries of a dummy in a side pillar collision of the door trim panel without the weakening structure and the door trim panel shown in fig. 1. As shown in fig. 4, in the comparison graph of the chest injury of the dummy due to the side pillar collision, the horizontal coordinate is time in seconds, the vertical coordinate is the injury degree, such as chest displacement in millimeters, the general trends of the door trim panel without the weakened structure and the door trim panel with the weakened structure are the same, but the chest injury degree of the dummy of the door trim panel with the weakened structure is obviously lower than that of the dummy without the door trim panel with the weakened structure, the maximum chest injury degree of the dummy of the door trim panel without the weakened structure occurs at 0.04s, and the chest displacement is about 33 mm. The maximum damage degree of the chest of the dummy with the door trim panel with the weakening structure is 0.04s, and the chest displacement is about 26 mm.
Optionally, the first decorative panel 1 comprises a first transverse panel on which the weakening structure is provided, and a first longitudinal panel extending from at least a partial edge of the first transverse panel. The first transverse panel can be lapped near a door sash, the first longitudinal panel is arranged opposite to the door glass, and the weakening structure is arranged on the first transverse panel, so that energy can be effectively absorbed and deformation can be generated particularly near the impact position of the side column collision working condition.
In this embodiment, the weakening structure covers the impact range of the side pillar in the direction of impact with the side pillar centered on the impact point of the side pillar on the first transverse panel, for example, in the first transverse panel, the weakening structure covers the side pillar with the impact point centered on the impact point extending 125mm each. For another example, the weakened structure is centered at the point of impact and covered at a radius of 125 mm.
Optionally, the weakening structure comprises at least one through hole 5, each through hole 5 being provided on the first transverse panel. Through setting up through-hole 5 as weakening structure, for first decorative board 1 provides the deformation space, in the side post collision operating mode for first decorative board 1 does not take place to break away from with the door panel beating, thereby reduces the damage value of dummy.
In the embodiment, the through hole 5 adopts a circular hole, so that extrusion deformation can be quickly formed, the through hole is easy to collapse, and the safety of passengers is protected; moreover, the through hole 5 is convenient to manufacture, and manufacturing materials are saved. The through hole 5 with a proper size can ensure rigidity, the diameter D of the through hole 5 is 2.5-5.0mm, and the minimum distance from the through hole 5 to the edge of the first transverse panel is 10 mm.
The diameter of each through hole 5 can be the same size or different sizes, in the embodiment, the diameter of each through hole 5 is the same, the diameter D of each through hole 5 is 3mm or 4mm, and skin wrinkles cannot be caused, so that the outer cladding flatness of the first decorative plate 1 is ensured.
Optionally, the number of the through holes 5 is multiple, and the multiple through holes 5 are distributed in an array on the first transverse panel. By increasing the number of the through holes 5, the weakening performance can be further improved, and at the same time, the diameter of the through holes 5 is prevented from being too large while the opening area is ensured.
As shown in fig. 3, in the present embodiment, seven rows and four columns of through holes 5 are provided on the first transverse panel. Be provided with a plurality of screw along length direction evenly distributed on the first horizontal panel, one of them screw is arranged in 5 arrays of through-hole, and in order to improve installation stability, avoid the trompil too densely simultaneously, set up the screw in first line second row and second line second row department, no longer set up through-hole 5.
In this embodiment, after first decorative board 1 and door sheet metal connection, exert down pressure test structural strength on first decorative board 1, when pressure was 222N, the biggest plastic strain that first decorative board 1 produced became 5%, satisfied structural strength requirement.
In the present embodiment, the minimum distance between the first row of through holes 5 and the first transverse panel end surface is L1, the range of L1 is 10-15mm, the minimum distance between the first or seventh row of through holes 5 and the first transverse panel edge is L2, and the range of L2 is 5-10 mm.
Optionally, a distance between two adjacent through holes 5 in the width direction of the first transverse panel is smaller than a distance between two adjacent through holes 5 in the length direction of the first transverse panel. The width direction of the first transverse panel is the direction of impact of the vehicle door, and space is provided for deformation by relatively reducing the distance between two adjacent rows. The length direction of first horizontal panel covers door striking scope, through the relative distance that increases between two adjacent rows, can guarantee structural strength.
In the embodiment, the minimum distance between two adjacent through holes 5 in the same column is L3, the range of L3 is 3-5mm, the minimum distance between two adjacent through holes 5 in the same row is L4, and the range of L4 is 10-20 mm.
Optionally, the first transverse panel includes a first end and a second end that are disposed opposite to each other, the first end is disposed toward the front windshield of the vehicle body, the first longitudinal panel is provided with a groove extending toward the first end, and the plurality of through holes 5 extend from the second end toward the first end. When the first decorative panel 1 is installed, the first end extends toward the front of the vehicle body, the second end extends toward the rear of the vehicle body, and the dummy is located near the second end, so that the weakening structure is provided near the second end. The first longitudinal panel shields the first transverse panel and extends towards one side of the dummy, so that the dummy is prevented from being injured.
In this embodiment, the length of the recess is about one-half the length of the first transverse panel and the length of the first longitudinal panel is about one-half the length of the first transverse panel.
Optionally, at least a portion of the thickness of the first transverse panel tapers towards the second end. Through forming thickness gradual change structure at the second end, help taking place to warp for first decorative board 1 does not take place to separate with the door panel beating. The thickness gradually changes and the through holes 5 can be arranged in an overlapping mode or an alternative mode or in sequence, and the comprehensive consideration is specifically carried out according to the deformation requirement and the structural requirement.
In another embodiment of the present application, a plurality of evenly distributed through holes 5 are provided near the second end, and a thickness-graded structure is provided between the through holes 5 and the second end face.
Optionally, a plurality of first engaging portions are arranged on the first longitudinal panel at intervals along the length direction, and a second engaging portion used in cooperation with the first engaging portion is arranged on the door sheet metal. The first transverse panel is provided with a screw hole which is connected with a designated position through a screw or a bolt, so that the stability of the first decorative plate 1 can be enhanced; the first longitudinal panel is provided with a first clamping portion and is connected with the second clamping portion in a clamping mode, the first transverse panel is provided with a weakening structure, the weakening structure provides a deformation space, when the first transverse panel is impacted, the first decorative plate 1 bends along the weakening structure, bending moment of the first clamping portion is reduced, and therefore the first clamping portion and the second clamping portion are guaranteed not to be separated, and accordingly invasion of the interior trim panel of the car door is reduced.
In this embodiment, the first engaging portion includes, but is not limited to, a snap structure, and the second engaging portion includes, but is not limited to, a bayonet structure. First block portion and second block portion can adopt the material preparation of moulding plastics to form, and first decorative board 1 is connected with door panel beating block, produces the back of warping through the reduction structure, and first block portion can not separate with second block portion, and then avoids first decorative board 1 and door panel beating separation.
The use of the door trim panel is further described below.
Plaque main part 4 and first decorative board 1 all can be dismantled and connect on the door panel beating in the door, and the first block portion of first decorative board 1 is connected with the second block portion block of door panel beating, and plaque main part 4 provides the supporting role for first decorative board 1 in the door, and plaque main part 4's top is located in the door to first decorative board 1, is close to door glass setting. Set up the weakened structure near the second end of first decorative board 1, if a plurality of through-holes 5 that are the array distribution, on the basis of guaranteeing 1 performance of first decorative board, reduce the local structural strength of first decorative board 1 correspondingly, in case receive the side impact, first decorative board 1 produces along the weakened structure and buckles, reduces the moment of flexure of first block portion, and then guarantees that first block portion and second block portion do not take place the separation for first decorative board 1 is difficult for separating with the door panel beating.
This application still provides a door, and the door includes the door panel beating and can dismantle the connection on the door panel beating like above-mentioned plaque in the door.
Adopt above-mentioned door, the equal detachable connection of plaque main part 4 and first decorative board 1 is on the door panel beating in the door, and plaque main part 4 provides the supporting role for first decorative board 1 in the door, and plaque main part 4's top is located in the door to first decorative board 1, is close to door glass setting. Set up the weakness structure on first decorative board 1, when the door received the striking, the weakness structure produced and warp, at the deformation process, when having consumed the energy, still made first decorative board 1 produce and buckle, avoided first decorative board 1 and door panel beating separation, reduced the invasion of first decorative board 1, avoided the dummy to damage, and then protected the passenger.
In addition, optionally, the door trim panel includes a door trim panel main body 4, and a second decorative panel 2 and a third decorative panel 3 that are connected to the door trim panel main body 4 in sequence from top to bottom of the first decorative panel 1, where the second decorative panel 2 is connected to the first decorative panel 1 in an embedded manner, and the third decorative panel 3 is provided with a handrail. The door trim panel main part 4 has set gradually first decorative board 1, second decorative board 2 and third decorative board 3 from door glass top-down, and first decorative board 1 is as upper portion decorative board, and the reduction structure sets up on first decorative board 1, and second decorative board 2 is as central decoration board, and central decoration board and upper portion decorative board seamless connection are provided with the handrail on the third decorative board 3, as handrail decorative board, handrail decorative board and central decoration board seamless connection. Adopt above-mentioned plaque in door, collect multiple functions in an organic whole, can take place the deformation in the certain limit, avoid first decorative board 1 and door panel beating separation.
In this embodiment, the door trim main body 4 is provided with a speaker decorative plate, and the speaker decorative plate and the door trim main body 4 are connected together by welding, screwing or clamping.
In this embodiment, the door trim panel main body 4 is provided with a storage box, and the storage box is connected with the door trim panel main body 4 by welding, screwing or clamping.
From the above description and practice, the door trim panel and the door provided by the present application have the following advantages compared with the prior art: set up the reduction structure on first decorative board, when the door received the striking, the reduction structure produced and warp, at the deformation process, when having consumed the energy, still made first decorative board produce and buckle, avoided first decorative board and door panel beating separation, reduced the invasion of first decorative board, avoided the dummy to damage, and then protected the passenger.
Those of ordinary skill in the art will understand that: the above description is only exemplary of the present application and should not be construed as limiting the present application, and any modification, equivalent replacement, or improvement made within the spirit of the present application should be included in the protection scope of the present application.
Claims (10)
1. A door trim panel, comprising:
plaque main part and setting are in plaque main part is in the door towards the first decorative board of door glass one end terminal surface, plaque main part in the door with first decorative board all with the connection can be dismantled to the door panel beating, first decorative board with the connection can be dismantled to the door panel beating, be provided with at least one reduction structure on the first decorative board.
2. The door trim panel according to claim 1, wherein:
the first trim panel includes a first transverse panel and a first longitudinal panel extending from at least a partial edge of the first transverse panel, the weakening structure being provided on the first transverse panel.
3. The door trim panel according to claim 2, wherein:
the weakening structure comprises at least one through hole, each through hole being provided on the first transverse panel.
4. The door trim panel according to claim 3, wherein:
the number of the through holes is multiple, and the through holes are distributed on the first transverse panel in an array mode.
5. The door trim panel according to claim 4, wherein:
the distance between two adjacent through holes in the width direction of the first transverse panel is smaller than the distance between two adjacent through holes in the length direction of the first transverse panel.
6. The door trim panel according to any one of claims 2 to 5, wherein:
first horizontal panel is including relative first end and the second end that sets up, first end sets up towards the car body front fender glass, be provided with on the first vertical panel towards the recess that first end extends, it is a plurality of the through-hole certainly the second end to first end extends.
7. The door trim panel of claim 6, wherein:
at least a portion of the thickness of the first transverse panel decreases gradually toward the second end.
8. The door trim panel of claim 6, wherein:
the door panel is characterized in that a plurality of first clamping parts are arranged on the first longitudinal panel at intervals along the length direction in sequence, and second clamping parts matched with the first clamping parts are arranged on the door panel.
9. A vehicle door, characterized in that: the vehicle door comprises a vehicle door sheet metal and the vehicle door inner decoration plate according to any one of claims 1 to 8 detachably connected to the vehicle door sheet metal.
10. The vehicle door of claim 9, wherein:
the door interior trim panel comprises a door interior trim panel main body, and a second decorative panel and a third decorative panel which are sequentially connected to the door interior trim panel main body from the first decorative panel from top to bottom, wherein the second decorative panel is connected with the first decorative panel in an embedded mode, and a handrail is arranged on the third decorative panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110789309.3A CN113352999B (en) | 2021-07-13 | 2021-07-13 | Plaque and door in door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110789309.3A CN113352999B (en) | 2021-07-13 | 2021-07-13 | Plaque and door in door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113352999A true CN113352999A (en) | 2021-09-07 |
| CN113352999B CN113352999B (en) | 2023-03-21 |
Family
ID=77539368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110789309.3A Active CN113352999B (en) | 2021-07-13 | 2021-07-13 | Plaque and door in door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113352999B (en) |
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| US20070102956A1 (en) * | 2005-10-25 | 2007-05-10 | Bucholtz Matthew M | Snap fit pockets for anchoring a watershield |
| CN101633345A (en) * | 2008-07-24 | 2010-01-27 | 通用汽车环球科技运作公司 | Breakaway trim interface for door lock knob |
| CN102278003A (en) * | 2010-06-11 | 2011-12-14 | 现代自动车株式会社 | Handle for door trim |
| US20150336447A1 (en) * | 2013-02-13 | 2015-11-26 | Renault S.A.S. | Plastic stiffening panel for a door, comprising a mounting mechanism for a window lift system |
| CN208101878U (en) * | 2018-04-03 | 2018-11-16 | 浙江吉利控股集团有限公司 | A kind of vehicle door interior trim panel, car door and automobile |
| CN208411621U (en) * | 2018-04-27 | 2019-01-22 | 广州广汽优利得汽车内饰系统研发有限公司 | A kind of automobile door internal decoration plate |
| CN109249785A (en) * | 2017-07-12 | 2019-01-22 | 本田技研工业株式会社 | vehicle door structure |
| CN110239316A (en) * | 2019-05-17 | 2019-09-17 | 浙江吉利控股集团有限公司 | A kind of device for passenger protection and vehicle |
-
2021
- 2021-07-13 CN CN202110789309.3A patent/CN113352999B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070102956A1 (en) * | 2005-10-25 | 2007-05-10 | Bucholtz Matthew M | Snap fit pockets for anchoring a watershield |
| CN101633345A (en) * | 2008-07-24 | 2010-01-27 | 通用汽车环球科技运作公司 | Breakaway trim interface for door lock knob |
| CN102278003A (en) * | 2010-06-11 | 2011-12-14 | 现代自动车株式会社 | Handle for door trim |
| US20150336447A1 (en) * | 2013-02-13 | 2015-11-26 | Renault S.A.S. | Plastic stiffening panel for a door, comprising a mounting mechanism for a window lift system |
| CN109249785A (en) * | 2017-07-12 | 2019-01-22 | 本田技研工业株式会社 | vehicle door structure |
| CN208101878U (en) * | 2018-04-03 | 2018-11-16 | 浙江吉利控股集团有限公司 | A kind of vehicle door interior trim panel, car door and automobile |
| CN208411621U (en) * | 2018-04-27 | 2019-01-22 | 广州广汽优利得汽车内饰系统研发有限公司 | A kind of automobile door internal decoration plate |
| CN110239316A (en) * | 2019-05-17 | 2019-09-17 | 浙江吉利控股集团有限公司 | A kind of device for passenger protection and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113352999B (en) | 2023-03-21 |
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