CN217198370U

CN217198370U - A enclose overlap joint structure and car after for miniature new energy automobile

Info

Publication number: CN217198370U
Application number: CN202220547087.4U
Authority: CN
Inventors: 李恒; 黄晓冬; 陈鹏; 添茂林; 汪丹丹; 周娟娟
Original assignee: Chery Commercial Vehicle Anhui Co Ltd
Current assignee: Chery New Energy Automobile Co Ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-08-16
Anticipated expiration: 2032-03-14

Abstract

The utility model discloses a enclose overlap joint structure and car after for miniature new energy automobile, enclose planking, left connecting plate and right connecting plate after, after including, enclose the planking after and install on the floor, enclose the planking after and directly be connected with the back floor, do not need the trompil to dodge the longeron, improved material utilization, enclose the interior jogged joint after and enclose the planking after and be located after on the planking inboard, left connecting plate and right connecting plate are connected respectively at the both ends of enclosing the inner panel after. The utility model discloses enclose the overlap joint simple structure after, convenient to use, the welding degree of difficulty is low, has solved the relation of rigid strength and cost well when taking into account the structure lightweight.

Description

A enclose overlap joint structure and car after for miniature new energy automobile

Technical Field

The utility model belongs to the technical field of the automobile manufacturing, concretely relates to enclose overlap joint structure and car after for miniature new energy automobile.

Background

In the development process of economic society, automobiles are more and more commonly used, and the safety of the automobiles is more and more valued by people. The automobile rear wall assembly is used as an important component in a white automobile body, and forms a rear luggage box space with parts such as a rear floor, a side wall and the like, so that the mounting requirements of parts such as a rear back door lock hook, a luggage compartment protection plate, a rear back door sealing strip and the like are met. In addition, the automobile rear wall assembly plays an important role in a rear collision test, in order to improve the torsional rigidity of an automobile body, part of traditional fuel automobiles and large and medium-sized new energy automobiles often have more parts, complex structures and overlapping relations, and cannot meet the requirements of light weight and low cost of the new energy automobiles, and the miniature new energy automobiles have high requirements on light weight and high cost pressure, and the traditional rear wall assembly structure cannot meet the requirements of the automobiles.

SUMMERY OF THE UTILITY MODEL

To exist not enough among the prior art, the utility model aims to provide a enclose overlap joint structure and car after for miniature new energy automobile that simple structure, convenient to use, the welding degree of difficulty are low, solved the relation of rigid strength and cost well when taking into account structure lightweight.

In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a enclose overlap joint structure after for miniature new energy automobile, encloses planking, left connecting plate and right connecting plate after including, enclose the planking after and install on the floor after, enclose the inner panel after and connect on enclosing the planking after and be located enclose the planking inboard, left connecting plate and right connecting plate are connected respectively and are enclosed the both ends of inner panel after.

Furthermore, lap joint bosses are arranged at two ends of the rear wall inner plate, and the left connecting plate and the right connecting plate are in matched lap joint with the lap joint bosses and are arranged at two ends of the rear wall inner plate.

Furthermore, left side connecting plate and right connecting plate are T type structure, and left side connecting plate and right connecting plate symmetric distribution enclose the front end of inner panel after, are equipped with the welding via hole on left side connecting plate and the right connecting plate.

Furthermore, the upper ends of the left connecting plate and the right connecting plate are connected with the D-column reinforcing plate, and the lower ends of the left connecting plate and the right connecting plate are connected with the rear floor to form a complete T-shaped cavity structure.

Furthermore, the rear wall inner plate is of a U-shaped structure, an upward flanging which is turned outwards is arranged at the upper end of the rear wall inner plate, a downward flanging which is turned outwards is arranged at the lower end of the rear wall inner plate, and the upward flanging and the downward flanging are both welded with the rear wall outer plate to form a middle cavity structure of a rear wall lap joint structure.

Furthermore, the T-shaped cavity structures at the two ends and the middle cavity structure formed by the rear surrounding inner plate are combined into an I-shaped cavity structure.

Furthermore, the middle part of the rear wall inner plate is provided with a door lock mounting plate, one end of the door lock mounting plate is connected with the upper edge of the rear wall inner plate, the other end of the door lock mounting plate is connected with the bottom of the rear wall inner plate, and the middle part of the door lock mounting plate is provided with a cavity.

Furthermore, a raised boss is arranged on the rear wall outer plate, and a fixed support is welded on the boss.

The utility model discloses still relate to an automobile, the automobile encloses the overlap joint structure including the back that is used for miniature new energy automobile above-mentioned.

Adopt the utility model discloses technical scheme's advantage does:

1. the rear wall outer plate in the rear wall lap joint structure of the utility model is directly connected with the rear floor, and the longitudinal beam is avoided without opening holes, thereby improving the material utilization rate; simple structure, convenient to use, the welding degree of difficulty are low, have solved the relation of rigidity and strength and cost well when considering structure lightweight.

2. The utility model discloses left side connecting plate and right connecting plate upper end are connected with the D post reinforcing plate, and the lower extreme is connected with the back floor, forms complete T type cavity structure, and the energy can direct action enclose with the side at the back longeron, effectively promotes automobile body rear portion intensity, has reduced other additional strengthening's application, and part is small in quantity, simple structure, and the energy transmission route is durable reliable.

3. The utility model discloses a "T" type cavity structure makes up into "worker" style of calligraphy cavity structure with the middle part cavity structure that back encloses inner panel 1 and forms. The I-shaped cavity structure is connected with a rear floor, a side wall, a rear wall and the like through a reasonable lap joint relation, so that the integral rigidity of the rear part of the vehicle body is greatly improved; the structure splices the whole rear enclosure into a whole through a plurality of simple parts, ingenious part shapes and reasonable connection modes, and can greatly improve the integral rigidity behind the automobile body. The T-shaped cavity structures are distributed at the rear part of the whole vehicle body and connected with a rear floor, a rear longitudinal beam, a side wall and the like below the rear floor, the rear longitudinal beam, the side wall and the like, the energy of rear collision can be smoothly transmitted to the longitudinal beam and the side wall, a continuous force transmission path is formed, and the torsional rigidity of the rear part of the vehicle body and the safety of rear personnel are improved.

Drawings

The present invention will be described in further detail with reference to the following drawings and detailed description:

FIG. 1 is a schematic view of the whole rear wall lap joint structure of the present invention;

FIG. 2 is a schematic view of the inner panel of the rear wall of the present invention;

FIG. 3 is a schematic view of the rear wall outer plate of the present invention;

FIG. 4 is a schematic view of the left and right connection plates of the present invention;

FIG. 5 is a schematic view of the connection between the rear lap structure and the rear floor of the present invention;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 7 is a sectional view taken along B-B in fig. 5.

The labels in the above figures are respectively: 1. a rear wall inner plate; 11. upward flanging; 12. downward flanging; 2. a rear wall outer plate; 21. a boss; 3. a left connecting plate; 4. a right connecting plate; 5. a rear floor; 6. and fixing the bracket.

Detailed Description

In the present invention, it is to be understood that the term "length"; "Width"; "Up"; "Down"; "front"; "Back"; "left"; "Right"; "vertical"; "horizontal"; "Top"; "bottom" "inner"; "outer"; "clockwise"; "counterclockwise"; "axial"; "planar direction"; the directional or positional relationship indicated as "circumferential" or the like is based on the directional or positional relationship shown in the drawings, and is only for convenience of description and simplified description, and does not indicate or imply that the device or element referred to must have a particular orientation; constructed and operative in a particular orientation and therefore should not be construed as limiting the invention.

As shown in fig. 1 to 7, a back wall lap joint structure for a micro new energy automobile comprises a back wall inner plate 1, a back wall outer plate 2, a left connecting plate 3 and a right connecting plate 4, wherein the back wall outer plate 2 is installed on a back floor 9, the back wall outer plate 2 is directly connected with the back floor, a hole is not needed to avoid a longitudinal beam, the material utilization rate is improved, the back wall inner plate 1 is connected on the back wall outer plate 2 and is positioned on the inner side of the back wall outer plate 2, and the left connecting plate 3 and the right connecting plate 4 are respectively connected at two ends of the back wall inner plate 1. The utility model discloses enclose the overlap joint simple structure after, convenient to use, the welding degree of difficulty is low, has solved the relation of rigid strength and cost well when taking into account the structure lightweight.

The rear wall inner plate 1 is of a U-shaped structure, an upward flanging 11 which is outward turned is arranged at the upper end of the rear wall inner plate 1, a downward flanging 12 which is outward turned is arranged at the lower end of the rear wall inner plate 1, and the upward flanging 11 and the downward flanging 12 are both welded with the rear wall outer plate to form a middle cavity structure of a rear wall lap joint structure. Specifically, the rear wall inner plate body 1 is U-shaped, the upper end opening is small, the lower end opening is large, an inner side structure with a cavity is formed, the depth of the cavity is 80-90mm, and 3 lightening holes are formed in the lower end in a straight line. The both ends of enclosing inner panel 1 after are equipped with the overlap joint boss, and left connecting plate 3 and right connecting plate 4 enclose the both ends department of inner panel 1 after through with the overlap joint boss cooperation overlap joint.

Left side connecting plate 3 and right connecting plate 4 are T type structure, and left side connecting plate 3 and the front end of enclosing inner panel 1 behind right connecting plate 4 symmetric distribution, and left side connecting plate 3 and right connecting plate 4 upper end are 60mm for short, and the lower extreme is longer for 240mm, are equipped with the welding via hole on left side connecting plate 3 and the right connecting plate 4, make things convenient for the part welding.

The upper ends of the left connecting plate 3 and the right connecting plate 4 are connected with a D-column reinforcing plate 7, and the lower ends of the left connecting plate 3 and the right connecting plate 4 are connected with a rear floor; specifically, left connecting plate 3 and right connecting plate 4 upper end are connected with the D post reinforcing plate through fillet transition for a short time, and left connecting plate 3 and right connecting plate 4's lower extreme is longer to be connected with the back floor through smooth transition, forms complete T type cavity structure. The energy can be directly used on the rear longitudinal beam and the side wall, the strength of the rear part of the vehicle body is effectively improved, the application of other reinforcing structures is reduced, the number of parts is small, and the structure is simple. The left connecting plate 3 and the right connecting plate 4 are directly connected with the rear floor, so that the number of parts is small, the structure is simple, and the energy transfer path is firm and reliable.

The T-shaped cavity structures at the two ends and the middle cavity structure formed by the rear surrounding inner plate 1 are combined into an I-shaped cavity structure. The I-shaped cavity structure is connected with a rear floor, a side wall, a rear wall and the like through a reasonable lap joint relation, so that the integral rigidity of the rear part of the vehicle body is greatly improved; the structure splices the whole rear enclosure into a whole through a plurality of simple parts, ingenious part shapes and reasonable connection modes, and can greatly improve the integral rigidity behind the automobile body.

The T-shaped cavity structures are distributed at the rear part of the whole vehicle body and connected with a rear floor, a rear longitudinal beam 8, a side wall and the like below the vehicle body, the energy of rear collision can be smoothly transmitted to the longitudinal beam and the side wall to form a continuous force transmission path, and the torsional rigidity of the rear part of the vehicle body and the safety of rear part personnel are improved.

Enclose the inner panel 1 middle part after and be equipped with lock mounting panel 5, lock mounting panel 5 is square one end and encloses the inner panel top edge after with and is connected, and the other end encloses the inner panel bottom after with and is connected, and the centre is equipped with the cavity, promotes the rigidity of back door lock. The door lock mounting plate is square, one end of the door lock mounting plate is connected with the upper edge of the U-shaped rear wall inner plate, the other end of the door lock mounting plate is connected with the bottom of the U-shaped rear wall inner plate, and the rigidity of the rear door lock is improved.

The arc radius of the rear wall outer plate body 2 is about 3500mm, the whole body is of a flat plate structure, and the lower end is flat. Different from the traditional vehicle rear wall outer plate, the X-direction depth is only 40mm, the space at the rear part of the vehicle body is increased, the overall shape is square, the material utilization rate is high, and the development cost of the die is low.

The rear wall outer plate is arc-shaped, the lower end of the rear wall outer plate is flat, the X-direction depth is small, and the rear wall outer plate is integrally of a flat plate structure.

A raised boss 21 is arranged on the rear wall outer plate 2, and a fixed support 6 is welded on the boss 21. Specifically, 2-4 rear fender upper fixing supports 6 are welded on the raised bosses of the rear fender outer plate, and the bosses and the supports are symmetrically distributed on the rear fender outer plate according to the requirement of the rear fender mounting position.

The utility model discloses still relate to an automobile, this automobile encloses the overlap joint structure including the back that is used for miniature new energy automobile above-mentioned.

The utility model provides a enclose overlap joint structure and car after for miniature new forms of energy car, part overlap joint simple structure, the welding degree of difficulty is low, has solved the relation of rigid strength and cost well when taking into account the structure lightweight. The rear wall lap joint comprises a rear wall inner plate body, a rear wall outer plate body, a rear wall inner plate left connecting plate, a rear wall inner plate right connecting plate, a rear door lock mounting plate and a rear wall upper fixing support, and is characterized in that an I-shaped cavity structure is formed by the parts, and the structure is connected with a rear floor, a side wall, a rear wall and the like through a reasonable lap joint relation to connect the rear part of a vehicle body into a whole. The energy of the rear part of the vehicle body can be smoothly transmitted to the longitudinal beam, the side wall and the like through the I-shaped cavity structure, a continuous force transmission path is formed, and the torsional rigidity of the rear part of the vehicle body and the safety of rear personnel are improved.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without the technical solutions of the present invention, or the present invention can be directly applied to other occasions without the improvements, and all are within the protection scope of the present invention.

Claims

1. The utility model provides a enclose overlap joint structure after for miniature new energy automobile which characterized in that: enclose planking (2), left connecting plate (3) and right connecting plate (4) after enclosing inner panel (1) including, after, enclose planking (2) and install on back floor (9), enclose after and enclose inner panel (1) and connect and enclose planking (2) inboard after enclosing on planking (2) and being located after, left connecting plate (3) and right connecting plate (4) are connected respectively and enclose the both ends of inner panel (1) after.

2. The back wall lap joint structure for the micro new energy automobile according to claim 1, characterized in that: the two ends of the rear wall inner plate (1) are provided with lap joint bosses, and the left connecting plate (3) and the right connecting plate (4) are in lap joint with the lap joint bosses in a matched mode at the two ends of the rear wall inner plate (1).

3. The rear wall lap joint structure for the mini-sized new energy automobile as claimed in claim 2, wherein: left side connecting plate (3) and right connecting plate (4) are T type structure, and left side connecting plate (3) and right connecting plate (4) symmetric distribution enclose the front end of inner panel (1) after, are equipped with the welding via hole on left side connecting plate (3) and right connecting plate (4).

4. The back wall lap joint structure for the mini-sized new energy automobile as claimed in claim 2 or 3, wherein: the upper ends of the left connecting plate (3) and the right connecting plate (4) are connected with the D-column reinforcing plate, and the lower ends of the left connecting plate (3) and the right connecting plate (4) are connected with the rear floor to form a complete T-shaped cavity structure.

5. The rear wall lap joint structure for the mini-sized new energy automobile as claimed in claim 4, wherein: the rear wall inner plate (1) is of a U-shaped structure, an upward flanging (11) which is outward turned is arranged at the upper end of the rear wall inner plate (1), a downward flanging (12) which is outward turned is arranged at the lower end of the rear wall inner plate (1), the upward flanging (11) and the downward flanging (12) are welded with the rear wall outer plate, and a middle cavity structure of a rear wall lap joint structure is formed.

6. The rear wall lap joint structure for the mini-sized new energy automobile as claimed in claim 5, wherein: the T-shaped cavity structures at the two ends and the middle cavity structure formed by the rear surrounding inner plate (1) are combined into an I-shaped cavity structure.

7. The rear wall lap joint structure for the mini-sized new energy automobile as claimed in claim 6, wherein: enclose the middle part of inner panel (1) after with and be equipped with lock mounting panel (5), enclose the inner panel top edge after the one end of lock mounting panel (5) with and be connected, enclose the inner panel bottom after the other end of lock mounting panel (5) with, the middle part of lock mounting panel (5) is equipped with the cavity.

8. The back wall lap joint structure for the micro new energy automobile according to claim 7, wherein: the rear wall outer plate (2) is provided with a raised boss (21), and the boss (21) is welded with a fixed support (6).

9. The rear wall lap joint structure for the mini-sized new energy automobile as claimed in claim 4, wherein: the T-shaped cavity structures are distributed at the rear part of the whole vehicle body and are connected with the rear floor, the rear longitudinal beam and the side wall below the rear floor, the rear longitudinal beam and the side wall.

10. An automobile, characterized in that: the automobile comprises the rear wall lap joint structure for the mini-type new energy automobile according to any one of claims 1 to 8.