CN106799955A - Automobile back door structure and body of a motor car - Google Patents

Automobile back door structure and body of a motor car Download PDF

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Publication number
CN106799955A
CN106799955A CN201510846169.3A CN201510846169A CN106799955A CN 106799955 A CN106799955 A CN 106799955A CN 201510846169 A CN201510846169 A CN 201510846169A CN 106799955 A CN106799955 A CN 106799955A
Authority
CN
China
Prior art keywords
door
inner panel
back door
door lock
installation portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510846169.3A
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Chinese (zh)
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CN106799955B (en
Inventor
郭敬文
周云干
齐会涛
李志强
景向策
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Great Wall Motor Co Ltd filed Critical Great Wall Motor Co Ltd
Priority to CN201510846169.3A priority Critical patent/CN106799955B/en
Publication of CN106799955A publication Critical patent/CN106799955A/en
Application granted granted Critical
Publication of CN106799955B publication Critical patent/CN106799955B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60JWINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00Doors
    • B60J5/10Doors arranged at the vehicle rear
    • B60J5/101Doors arranged at the vehicle rear for non-load transporting vehicles, i.e. family cars including vans
    • B60J5/107Doors arranged at the vehicle rear for non-load transporting vehicles, i.e. family cars including vans constructional details, e.g. about door frame, panels, materials used, reinforcements

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The invention provides a kind of automobile back door structure, including back door inner panel, and it is fixed on the back external door panel of back door inner panel side, the door lock mounting hole of insertion setting is formed with back door inner panel and back external door panel, the inner panel reinforcing plate arranged along back gate width direction is fixed with back door inner panel, door lock installation portion is provided with door lock mounting hole;Also include being fixed between inner panel reinforcing plate and door lock installation portion, and the reinforcement fagging being connected with back external door panel.Present invention also offers a kind of body of a motor car for being provided with the automobile back door structure.Automobile back door structure of the present invention, the lateral stiffness of back door can be increased by the setting of inner panel reinforcing plate, the local stiffness of back door lock mount point can be increased by the setting of door lock installation portion, and pass through to strengthen the coupling stiffness that the setting of fagging can increase between each component of back door, thus it may be such that automotive back door has preferable rigidity, to ensure the using effect of back door.

Description

Automobile back door structure and body of a motor car
Technical field
The present invention relates to automobile technical field, more particularly to a kind of automobile back door structure.The invention further relates to A kind of body of a motor car for being provided with the automobile back door structure.
Background technology
Back door is the important component of body of a motor car, as back door shape-designing is more and more fuller, is led Back door sheet-metal formed technique is caused to be difficult to reach design requirement, therefore some automobile production producers start to use work The back door of the plastic material that skill is complicated, cost is higher, but so also cause that integral vehicle cost rises, so that meeting Reduce competitiveness of the automobile product in price.Thus for the automobile product of leading cost performance, to back door Structure is correspondingly improved, and the sheet-metal type back door that metal material is still continued to use to manufacture has become unique selection. The but weaker problem of the sheet-metal type back door generally existing rigidity of existing new construction, it not only causes vehicle body Quality is difficult to be protected, and can also influence the using effect of back door.
The content of the invention
In view of this, the present invention is directed to propose a kind of automobile back door structure, can overcome in the prior art Deficiency, make automotive back door that there is preferable rigidity.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way:
A kind of automobile back door structure, including back door inner panel, and after being fixed on back door inner panel side Tailgate outside plate, is formed with the door lock mounting hole that insertion is set in backdoor inner plate and back external door panel in the rear, The inner panel reinforcing plate arranged along back gate width direction is fixed with backdoor inner plate in the rear, in the door lock Door lock installation portion is provided with mounting hole;Also include being fixed between the inner panel reinforcing plate and door lock installation portion, And the reinforcement fagging being connected with back external door panel.
Further, along back door thickness direction, the reinforcement fagging and inner panel reinforcing plate, door lock installation portion And the line of back external door panel tie point is triangular in shape.
Further, the reinforcement fagging is in Z-shaped, and the two ends of the reinforcement fagging add with inner panel respectively Strong plate is connected with door lock installation portion, described to strengthen fagging close to the kink and back door of inner panel reinforcing plate Outside plate is connected.
Further, it is provided with lightening hole on the reinforcement fagging.
Further, along the length direction of the inner panel reinforcing plate, in the both sides of inner panel reinforcing plate are formed with Plate reinforcing plate flange.
Further, it is provided with lightening hole in the inner panel reinforcing plate.
Further, the door lock installation portion is the box-like of both ends open, and is formed with one end opening Door lock installation portion flange, the reinforcement fagging is connected on door lock installation portion flange.
Further, another openend, the door lock peace are pointed to by the openend with door lock installation portion flange The section in dress portion is gradually small.
Relative to prior art, the present invention has the advantage that:
(1) automobile back door structure of the present invention, back door can be increased by the setting of inner panel reinforcing plate Lateral stiffness, the local stiffness of back door lock mount point can be increased by the setting of door lock installation portion, and Coupling stiffness between each component of back door can be increased by the setting for strengthening fagging, thus after it may be such that automobile Tailgate has preferable rigidity, to ensure the using effect of back door.
(2) it is in three to strengthen fagging with the line of inner panel reinforcing plate, door lock installation portion and back external door panel tie point Stability feature that is angular, having using triangular structure, the structure for improving component at each tie point is firm Degree.
(3) strengthen fagging and be set to Z-shaped, its simple structure is easy to design, and can be single piece Shaping, is easy to technique to process.
(4) setting lightening hole can ensure the integrally-built lightweight of back door, and setting flange can improve inner panel and add The structural strength of strong plate.
(5) door lock installation portion is box-like, it is ensured that door lock installation portion has structural strength higher, and setting is turned over Side then can further improve the coupling stiffness that door lock installation portion is connected with each component.
(6) gradually I is easy to its arrangement on back door in door lock installation portion section.
Another object of the present invention is to propose a kind of body of a motor car, the body of a motor car includes as described above Automobile back door structure.
This body of a motor car and automobile back door structure had the advantage that relative to prior art it is identical, herein Repeat no more.
Brief description of the drawings
The accompanying drawing for constituting a part of the invention is used for providing a further understanding of the present invention, of the invention to show Meaning property and its illustrates, for explaining the present invention, not constitute inappropriate limitation of the present invention embodiment.In accompanying drawing In:
Fig. 1 is the structural representation of the automobile back door structure described in the embodiment of the present invention one;
Fig. 2 is the connection of the inner panel reinforcing plate, reinforcement fagging and door lock installation portion described in the embodiment of the present invention one Schematic diagram;
Fig. 3 is the structural representation of the reinforcement fagging described in the embodiment of the present invention one;
Fig. 4 is inner panel reinforcing plate described in the embodiment of the present invention one, strengthen fagging and door lock installation portion is another regards Connection diagram under angle;
Description of reference numerals:
1- back door inner panels, 2- inner panel reinforcing plates, 3- door lock installation portions, 4- reinforcement faggings, 41- fagging bodies, 42- door lock installation portion connecting portions, 43- back external door panel connecting portions, 44- inner panel reinforcing plate connecting portions.
Specific embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment Can be mutually combined.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Embodiment one
The present embodiment is related to a kind of automobile back door structure, and as shown in Figures 1 and 2, it includes back door Inner panel 1, is fixed with the back external door panel not shown in figure, in back door in the side of back door inner panel 1 The door lock mounting hole of insertion setting is formed with plate 1 and back external door panel, is also connected on back door inner panel 1 There is the inner panel reinforcing plate 2 arranged along back gate width direction, door lock installation is also equipped with door lock mounting hole Portion 3.And this automobile back door structure is still further comprised to be connected and is arranged on inner panel reinforcing plate 2 and door lock installation Between portion 3, and the reinforcement fagging 4 being also connected with back external door panel.
Strengthen the concrete structure of fagging 4 in the present embodiment as shown in Figure 3, it includes fagging body 41, One end of fagging body 41 is fixed with the door lock installation portion connecting portion 42 in bending between fagging body 41, Relative to door lock installation portion connecting portion 42, also it is fixed with equally in bending in the other end of fagging body 41 The inner panel reinforcing plate connecting portion 44 of arrangement, in inner panel reinforcing plate connecting portion 44 and the junction of fagging body 41 It is also equipped with back external door panel connecting portion 43.By door lock installation portion connecting portion 42, back external door panel connecting portion 43 and the structure setting of inner panel reinforcing plate connecting portion 44 so that it is on the whole Z-shaped to strengthen fagging 4.
In specific connection, it is to be installed with door lock by door lock installation portion connecting portion 42 thereon to strengthen fagging 4 Portion 3 connects, and is connected with inner panel reinforcing plate 2 by inner panel reinforcing plate connecting portion 44, and by back outdoors Plate connecting portion 43 is connected with back external door panel.Thus as shown in Figure 4, because of the design feature of reinforcement fagging 4, Along the thickness direction of back door so that strengthen fagging 4 and inner panel reinforcing plate 2, door lock installation portion 3 and after The line of tailgate outside plate tie point is triangular in shape.So as to the stability feature having using triangular structure, Improve the rigidity of structure of component at each tie point.
Except making reinforcement fagging 4 be designed to Z-shaped in the present embodiment, arcuation can be also designed to certainly Or other configurations, and again such that strengthening fagging 4 and inner panel reinforcing plate 2, door lock installation portion 3 and back door The line of outside plate tie point is triangular in shape.Strengthen the deadweight of fagging 4 to reduce, to cause that it is light that back door meets Quantitative design requirement, be can be set on fagging body 41 has lightening hole in the present embodiment as shown in Figure 3, Equally as shown in Figure 2, lightening hole has been may also set up in inner panel reinforcing plate 2.And be to increase inner panel to add The strong structural strength of itself of plate 2, can also be along the length direction of inner panel reinforcing plate 2, in inner panel in the present embodiment The both sides of reinforcing plate 2 are formed with inner panel reinforcing plate flange.
In the present embodiment as shown in Fig. 2 combinations Fig. 4, door lock installation portion 3 may be configured as the box-like of both ends open, The structural strength of door lock installation portion 3, and the also shape at the opening of the one end of door lock installation portion 3 are improved with this Into there is a door lock installation portion flange, strengthen door lock installation portion connecting portion 42 on fagging 4 namely with door lock installation portion Flange is connected.For ease of arrangement of the door lock installation portion 3 on back door, by having in the present embodiment Another openend is pointed in the openend of door lock installation portion flange, also causes the section of door lock installation portion 3 gradually small cloth Put.Except for box-like, the door lock installation portion 3 in certain the present embodiment may be alternatively provided as tabular or other configurations.
This automobile back door structure can increase the lateral stiffness of back door by the setting of inner panel reinforcing plate 2, lead to The setting for crossing door lock installation portion 3 can increase the local stiffness of back door lock mount point, and pass through to strengthen fagging 4 setting, and make reinforcement fagging 4 and inner panel reinforcing plate 2, door lock installation portion 3 and back external door panel tie point Line it is triangular in shape, the coupling stiffness between each component of back door can be increased, and further improve each component The rigidity of structure, so that it may be such that automobile back door structure has preferable rigidity, to ensure making for back door Use effect.
Embodiment two
The present embodiment is related to a kind of body of a motor car, after the body of a motor car includes the automobile as described in embodiment one Tailgate structure.By making the back door on body of a motor car be the automobile back door structure as described in embodiment one, May be such that automobile back door structure has preferable rigidity, ensure that the using effect of back door.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in this hair Within bright spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in this hair Within bright protection domain.

Claims (9)

1. a kind of automobile back door structure, including back door inner panel (1), and it is fixed on back door inner panel (1) The back external door panel of side, is formed with the door that insertion is set in backdoor inner plate (1) and back external door panel in the rear Lock mounting hole, it is characterised in that:It is fixed with backdoor inner plate (1) in the rear and is arranged along back gate width direction Inner panel reinforcing plate (2), door lock installation portion (3) is provided with the door lock mounting hole;It is also described including being fixed on Between inner panel reinforcing plate (2) and door lock installation portion (3), and the reinforcement fagging (4) being connected with back external door panel.
2. automobile back door structure according to claim 1, it is characterised in that:Along back thickness gate side To the company for strengthening fagging (4) and inner panel reinforcing plate (2), door lock installation portion (3) and back external door panel tie point Line is triangular in shape.
3. automobile back door structure according to claim 2, it is characterised in that:Reinforcement fagging (4) In Z-shaped, the two ends of the reinforcement fagging (4) are connected with inner panel reinforcing plate (2) and door lock installation portion (3) respectively Connect, reinforcement fagging (4) is connected close to the kink of inner panel reinforcing plate (2) with back external door panel.
4. automobile back door structure according to claim 3, it is characterised in that:In the reinforcement fagging (4) it is provided with lightening hole.
5. automobile back door structure according to claim 1, it is characterised in that:Strengthen along the inner panel The length direction of plate (2), inner panel reinforcing plate flange is formed with the both sides of inner panel reinforcing plate (2).
6. automobile back door structure according to claim 5, it is characterised in that:Strengthen in the inner panel Plate (2) is provided with lightening hole.
7. automobile back door structure according to claim 1, it is characterised in that:The door lock installation portion (3) it is box-like for both ends open, and door lock installation portion flange, the strengthening support are formed with one end opening Plate (4) is connected on door lock installation portion flange.
8. automobile back door structure according to claim 7, it is characterised in that:Installed by with door lock Another openend is pointed in the openend of portion's flange, and the section of the door lock installation portion (3) is gradually small.
9. a kind of body of a motor car, it is characterised in that:The body of a motor car is included as appointed in claim 1 to 8 Automobile back door structure described in one.
CN201510846169.3A 2015-11-26 2015-11-26 Automobile back door structure and body of a motor car Active CN106799955B (en)

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Application Number Priority Date Filing Date Title
CN201510846169.3A CN106799955B (en) 2015-11-26 2015-11-26 Automobile back door structure and body of a motor car

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Application Number Priority Date Filing Date Title
CN201510846169.3A CN106799955B (en) 2015-11-26 2015-11-26 Automobile back door structure and body of a motor car

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CN106799955A true CN106799955A (en) 2017-06-06
CN106799955B CN106799955B (en) 2019-06-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109693521A (en) * 2017-10-24 2019-04-30 三菱自动车工业株式会社 Back door structure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101476421A (en) * 2008-12-05 2009-07-08 上汽通用五菱汽车股份有限公司 Tail-door hinge stiffening plate
JP2010143536A (en) * 2008-12-22 2010-07-01 Daihatsu Motor Co Ltd Reinforcement structure of vehicular back door
CN103842192A (en) * 2011-10-05 2014-06-04 丰田自动车株式会社 Opening / closing body structure for vehicle
CN104210338A (en) * 2014-09-04 2014-12-17 山东宝雅新能源汽车股份有限公司 Light weight small back door
CN104442307A (en) * 2014-12-01 2015-03-25 北汽银翔汽车有限公司 Automobile back door strengthening structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101476421A (en) * 2008-12-05 2009-07-08 上汽通用五菱汽车股份有限公司 Tail-door hinge stiffening plate
JP2010143536A (en) * 2008-12-22 2010-07-01 Daihatsu Motor Co Ltd Reinforcement structure of vehicular back door
CN103842192A (en) * 2011-10-05 2014-06-04 丰田自动车株式会社 Opening / closing body structure for vehicle
CN104210338A (en) * 2014-09-04 2014-12-17 山东宝雅新能源汽车股份有限公司 Light weight small back door
CN104442307A (en) * 2014-12-01 2015-03-25 北汽银翔汽车有限公司 Automobile back door strengthening structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109693521A (en) * 2017-10-24 2019-04-30 三菱自动车工业株式会社 Back door structure

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