CN212984950U

CN212984950U - Back-lifting door mounting structure

Info

Publication number: CN212984950U
Application number: CN202020792114.5U
Authority: CN
Inventors: 王峰; 路小东; 邵长明
Original assignee: Guangzhou Automobile Group Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-04-16
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a hatchback door mounting structure, which comprises a hatchback door assembly and two hinge structures respectively arranged at the two ends of the front side of the hatchback door assembly; the hinge structure comprises a fixed seat and a movable arm, the front end of the fixed seat is connected to a water flowing groove of a top cover of the vehicle body, the front end of the movable arm is rotatably connected with the rear end of the fixed seat, and the rear end of the movable arm is connected with the hatchback door assembly; the fixing seat and the movable arm are both made of section steel pieces. The utility model has the advantages that: the hinge structure can effectively increase the self rigidity and the strength of the hinge structure, thereby reducing the overall dimension of the hinge structure, and the hinge structure is arranged in the water flowing groove of the roof of the vehicle body, thereby reducing the occupation of the space of the passengers in the back row and improving the comfort of the back row.

Description

Back-lifting door mounting structure

Technical Field

The utility model relates to the technical field of automobiles, especially, relate to a hatchback door mounting structure.

Background

At present, an outward opening type hinge structure on an automobile back door is generally formed by punching a plate, and the specific structure of the outward opening type hinge structure is shown in the attached drawing 1 and comprises a seat body 1' and a movable leaf 2', wherein the seat body 1' is used for being connected with an automobile body, and the installation surface on the side of the automobile body is in the vertical direction of the automobile, so that the seat body 1' extends along the vertical direction, the installation surface on the side of the back door is close to the horizontal direction, and in order to increase the strength, the movable leaf 2' is set into a structural form; therefore, the hinge structure has larger size, occupies larger space in the height direction and the width direction, and is easy to encroach on the head space of the passengers in the back row; in addition, the rigidity and strength of the hinge are weak, so that the overall lateral rigidity and torsional rigidity of the back door are affected, the overall deformation inhibition capability of the back door is poor, and the matching precision of the back door and peripheral components is affected. In addition, because the hinge structure has a large size, when the empennage needs to be installed on the back door, the width of the hollow empennage is easily widened, so that the windward side is enlarged, and the wind resistance is increased.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a hatchback door mounting structure, its self rigidity and intensity that can effectively increase hinge structure to can reduce hinge structure's overall dimension, and then improve the back row travelling comfort.

The purpose of the application is realized by the following technical scheme:

a back-lifting door mounting structure comprises a back-lifting door assembly and two hinge structures which are respectively arranged at two ends of the front side of the back-lifting door assembly;

the hinge structure comprises a fixed seat and a movable arm, the front end of the fixed seat is connected to a water flowing groove of a top cover of the vehicle body, the front end of the movable arm is rotatably connected with the rear end of the fixed seat, and the rear end of the movable arm is connected with the hatchback door assembly;

the fixing seat and the movable arm are both made of section steel pieces.

In the above hatchback door mounting structure, optionally, the hatchback door assembly includes a backdoor inner panel, a backdoor outer panel connected to an outer side of the backdoor inner panel, and two hinge reinforcing panels disposed between the backdoor inner panel and the backdoor outer panel, where the two hinge reinforcing panels are respectively located at two ends of a front side of the hatchback door assembly; the rear ends of the two movable arms are respectively connected to the positions of the hatchback door assembly at the hinge reinforcing plates.

In the above-mentioned hatchback door mounting structure, optionally, the hinge reinforcing plate includes a reinforcing plate body and at least two reinforcing ribs protruding out of an outer side surface of the reinforcing plate body, the reinforcing ribs extend in a front-back direction, and the reinforcing ribs are distributed at intervals.

In the above-mentioned back-lift door mounting structure, optionally, two arbitrary adjacent all inject the mounting groove between the strengthening rib, back-lift door assembly still includes the hinge mounting, the hinge mounting install in the front side position of mounting groove, the rear end of digging arm back-door inner panel the reinforcing plate body reaches the hinge mounting links to each other in proper order.

In the above-mentioned hatchback door mounting structure, optionally, the hinge fixing member includes a fixing plate and two lug portions respectively disposed on the left and right sides of the fixing plate, the fixing plate is attached to the reinforcing plate body, and the two lug portions are respectively connected to the reinforcing ribs adjacent thereto by welding.

In the above hatchback door mounting structure, optionally, a first connection hole is formed at a rear end of the movable arm, a first via hole is formed at a position on the back door inner panel corresponding to the first connection hole, a second via hole is formed on the reinforcing plate body corresponding to the first via hole, and a nut member is welded on the hinge fixing member corresponding to the second via hole;

and a threaded fastener penetrates through the first connecting hole, the first through hole, the second through hole and the nut piece respectively to fixedly connect the movable arm, the back door inner plate, the reinforcing plate body and the hinge fixing piece.

In the above hatchback door mounting structure, optionally, the fixing seat includes a connecting plate and a connecting seat, the connecting plate is attached to the water channel of the roof of the vehicle body, and the connecting seat is connected to the rear side of the connecting plate and extends upward;

the movable arm comprises a movable arm body and a supporting plate, the front end of the movable arm body is connected with the connecting seat in a rotating mode, the supporting plate is connected to the rear end of the movable arm body, and the supporting plate is attached to the bottom face of the back-lift door assembly.

In the above hatchback door mounting structure, optionally, the movable arm body includes a first extension portion and a second extension portion that are sequentially connected from front to back, the support plate is disposed at a rear end of the second extension portion, and included angles between the second extension portion and the first extension portion and included angles between the second extension portion and the support plate are both greater than 90 °;

the connecting seat is provided with a receiving groove, and when the movable arm rotates to drive the hatchback door assembly to a lower limit position, the first extending part is contained in the receiving groove.

In the above-mentioned hatchback door mounting structure, optionally, an empennage is further mounted on the hatchback door assembly, and two ends of the empennage are respectively connected to the positions of the rear ends of the movable arms.

According to the hatchback door mounting structure, the hinge structure for connecting the hatchback door assembly and the vehicle body comprises a fixed seat and a movable arm, wherein the fixed seat is connected to the water flowing groove of the top cover of the vehicle body; the hinge structure is arranged in the areas at two sides of the launder of the roof of the vehicle body, so that the head space of passengers in the rear row of the vehicle is not occupied, and the comfort of the rear row can be improved; in addition, the fixing base and the movable arm of the hinge structure in the application are both made of the section steel parts, and the rigidity and the strength of the hinge structure can be effectively improved, so that the size of the hinge structure can be properly reduced, and the occupation of the space of a rear-row passenger is further reduced.

Drawings

FIG. 1 is a schematic diagram of a prior art hinge structure;

fig. 2 is an assembly diagram of a hatchback back tailgate assembled to a vehicle body according to an embodiment of the present invention;

FIG. 3 is a schematic view of an embodiment of the present invention illustrating an assembly of a hatchback tailgate with an outer panel removed;

FIG. 4 is an exploded schematic view of FIG. 3;

fig. 5 is a schematic structural diagram of a hinge structure of a hatchback back door according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a hinge fixing member of a hatchback back door according to an embodiment of the present invention.

In the figure:

1', a seat body; 2', a live page;

1. a hatchback door assembly; 11. a back door inner panel; 111. a first via hole; 12. a back door outer plate; 13. a hinge reinforcement plate; 131. a reinforcing plate body; 1311. a second via hole; 132. reinforcing ribs; 133. mounting grooves; 14. a hinge mount; 141. a fixing plate; 142. a lug portion; 143. a nut member; 144. reinforcing the flanging; 15. a tail positioning mounting hole; 2. a hinge structure; 21. a fixed seat; 211. a connecting plate; 212. a connecting seat; 2121. a receiving groove; 22. a movable arm; 221. a first connection hole; 222. a movable arm body; 2221. a first extension portion; 2222. a second extension portion; 223. a support plate; 3. a vehicle body roof; 31. a launder; 4. a threaded fastener.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms "first", "second", and the like are used in the present invention to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

Furthermore, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings or the vehicle, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

It should be noted that the term "comprising" does not exclude other elements or steps and the "a" or "an" does not exclude a plurality.

As shown in fig. 2-6, an embodiment of the present invention provides a hatchback door mounting structure, which includes a hatchback door assembly 1 and two hinge structures 2 respectively disposed at two ends of a front side of the hatchback door assembly 1; the hinge structure 2 comprises a fixed seat 21 and a movable arm 22, the front end of the fixed seat 21 is used for being connected to a water flowing groove 31 of the vehicle body top cover 3, the front end of the movable arm 22 is rotatably connected with the rear end of the fixed seat 21, and the rear end of the movable arm 22 is connected with the hatchback door 1 assembly; the fixed seat 21 and the movable arm 22 are made of steel sections. Illustratively, the front end of the fixed seat 21 is connected with the vehicle body top cover 3 through bolts.

Based on the technical scheme, the hinge structure 2 is arranged at the water flowing groove 31 of the car body top cover 3, and is not arranged with the car body along the vertical direction like the traditional hinge structure, so that the invasion of the rear row height space can be reduced, and the head space of the rear row passengers is improved; in addition, because the fixed seat 21 and the movable arm 22 are both made of steel parts, the steel parts are usually extruded parts, the cross section area can be properly changed according to the strength requirement, and compared with the sheet stamping, the strength and the rigidity of the hinge structure 2 can be greatly improved, so that the integral lateral rigidity and the torsional rigidity of the back door structure can be improved, and the matching precision of the back door and peripheral parts is ensured; moreover, because the strength and rigidity of the hinge structure 2 are increased, the external dimension of the hinge structure 2 can be properly reduced, thereby further reducing the occupation of the space for the passengers in the rear row.

In this embodiment, the hatchback door assembly 1 further includes a back door inner plate 11, a back door outer plate 12 installed outside the back door inner plate 11, and two hinge reinforcing plates 13 disposed between the back door inner plate 11 and the back door outer plate 12, where the two hinge reinforcing plates 13 are respectively located at two ends of the front side of the hatchback door assembly 1; the rear ends of the two movable arms 22 are respectively connected to the hatchback door assembly 1 at the positions of the hinge reinforcing plates 13. The hinge reinforcing plate 13 is additionally arranged at the position of the hinge structure 2 mounted on the hatchback door assembly 1, so that the rigidity and the strength of a mounting point can be obviously improved, the stress borne by the mounting surface of the hinge of the hatchback door is dispersed, the durable cracking phenomenon of the mounting surface is avoided, and the lateral rigidity and the torsional rigidity of the hatchback door mounting structure are further improved.

In order to improve the strength of the hinge reinforcing plate 13, the hinge reinforcing plate 13 in this embodiment includes a reinforcing plate body 131 and at least two reinforcing ribs 132 protruding out of the outer side surface of the reinforcing plate body 131, the reinforcing ribs 132 extend in the front-rear direction, and the reinforcing ribs 132 are distributed at intervals, so that the reinforcing ribs 132 can reasonably disperse the installation stress. Specifically, the present embodiment shows a case where three reinforcing beads 132 are provided on the reinforcing plate body 131.

More specifically, in this embodiment, an installation groove 133 is defined between any two adjacent reinforcing ribs 132 on the reinforcing plate body 131, the hatchback door assembly 1 further includes a hinge fixing member 14, the hinge fixing member 14 is installed at a front side position of the installation groove 133, the rear end of the movable arm 22, the back door inner plate 11, the reinforcing plate body 131 and the hinge fixing member 14 are sequentially connected, and the hinge structure 2 is connected with the hinge reinforcing plate 13 through the hinge fixing member 14, so that the structure installation is compact and reasonable.

In this embodiment, in order to facilitate the installation of the hinge fixing member 14 and ensure the installation reliability, the hinge fixing member 14 includes a fixing plate 141 and two lug parts 142 respectively disposed at the left and right sides of the fixing plate 141, the fixing plate 141 is attached to the reinforcing plate body 131, and the two lug parts 142 are respectively connected to the side surfaces of the reinforcing ribs 132 adjacent thereto by spot welding, which is specifically shown in fig. 3, 4 and 6; the mounting stress of the hinge structure 2 can be transmitted to the reinforcing ribs 132 through the fixing plate 141 and the lug part 142 in sequence, and dispersed by the reinforcing ribs 132.

Illustratively, a reinforcing flange 144 is further provided along the lower side edge of the fixing plate 141, and both ends of the reinforcing flange 144 are respectively connected to the lug parts 142 at both sides, so that the strength of the hinge holder 14 can be ensured.

In this embodiment, optionally, the rear end of the movable arm 22 is provided with a first connection hole 221, a first via hole 111 is formed at a position on the back door inner panel 11 opposite to the first connection hole 221, a second via hole 1311 is formed at a position on the reinforcing panel body 131 opposite to the first via hole 111, and a nut member 143 is projection-welded on the hinge fixing member 14 opposite to the second via hole 1311; a screw fastener 4 respectively penetrates through the first connection hole 221, the first through hole 111, the second through hole 1311 and the nut member 143 to fasten and connect the movable arm 22, the back door inner panel 11, the reinforcement panel body 131 and the hinge fixture 14; adopt the screw thread to link to each other, not only easy dismounting just can guarantee installation intensity.

Illustratively, the threaded fasteners 4 are hexagonal flange-faced bolts to facilitate welding with the fastening plate 141.

More specifically, the back door inner plate 11 and the hinge reinforcing plate 13, and the hinge reinforcing plate 13 and the back door outer plate 12 are connected by welding; the edge of the reinforcing plate 13 is spot-welded to the edge of the back door inner panel 11 and the edge of the back door outer panel 12, respectively.

With continuing reference to fig. 5, the fixing base 21 includes a connecting plate 211 and a connecting base 212, the connecting plate 211 is used for being attached to the gutter channel 31 of the roof panel 3 of the vehicle body, and the connecting base 212 is connected to the rear side of the connecting plate 211 and extends upward; the movable arm 22 comprises a movable arm body 222 and a support plate 223, the front end of the movable arm body 222 is rotatably connected with the connecting seat 212, the support plate 223 is connected to the rear end of the movable arm body 222, and the support plate 223 is attached to the bottom surface of the hatchback door assembly 1; through the structural style of reasonable design hinge structure 2 to when guaranteeing the intensity requirement, reduce the occupation to the space.

In this embodiment, with continued reference to fig. 5, the movable arm body 222 includes a first extending portion 2221 and a second extending portion 2222 connected in sequence from front to back, the support plate 223 is disposed at the back end of the second extending portion 2222, and the included angles between the second extending portion 2222 and the first extending portion 2221, and between the second extending portion 2222 and the support plate 223 are both greater than 90 °; the connecting seat 212 is provided with a receiving groove 2121, and when the movable arm 22 rotates to drive the hatchback door assembly 1 to the lower limit position, the first extending portion 2221 is received in the receiving groove 2121, so as to ensure that the hinge structure 2 does not affect the appearance of the entire vehicle when the hatchback door is closed.

Illustratively, the first extension 2221 and the second extension 2222, and the second extension 2222 and the support plate 223 are smoothly transited.

In any of the above embodiments, a tail wing (not specifically shown in the drawings) may be further installed at the front side of the hatchback door assembly 1, and both ends of the tail wing are respectively connected to the rear end of each movable arm 22 through tail wing positioning installation holes 15, as shown in fig. 2; usually, in order to guarantee the appearance requirement, need wrap up the rear end of hinge structure 2 respectively with the both ends of fin, and because the intensity and the rigidity of above-mentioned hinge structure 2 self are all better, consequently can reduce hinge structure 2's width, and then can reduce the windward side width of the fin left and right sides, reduce whole car windage, promote the duration of car.

To sum up, the embodiment of the present invention provides a hatchback door mounting structure, wherein a hinge structure connecting a hatchback door assembly and a vehicle body comprises a fixed seat and a movable arm, wherein the fixed seat is used for connecting to a gutter channel of a vehicle body top cover, one end of the movable arm is rotatably connected to the fixed seat, and the other end of the movable arm is connected to the hatchback door assembly; the hinge structure is arranged in the areas at two sides of the launder of the roof of the vehicle body, so that the head space of passengers in the rear row of the vehicle is not occupied, and the comfort of the rear row can be improved; in addition, the fixing base and the movable arm of the hinge structure in the application are all made of the section steel parts, and the rigidity and the strength of the hinge structure can be effectively improved, so that the size of the hinge structure can be properly reduced, and the occupation of the head space of a rear-row passenger is further reduced.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. A hatchback door mounting structure is characterized by comprising a hatchback door assembly and two hinge structures which are respectively arranged at two ends of the front side of the hatchback door assembly;

the fixing seat and the movable arm are both made of section steel pieces.

2. The hatchback door mounting structure according to claim 1, wherein the hatchback door assembly includes a back door inner panel, a back door outer panel connected to an outer side of the back door inner panel, and two hinge reinforcements provided between the back door inner panel and the back door outer panel, the two hinge reinforcements being respectively provided at both ends of a front side of the hatchback door assembly; the rear ends of the two movable arms are respectively connected to the positions of the hatchback door assembly at the hinge reinforcing plates.

3. The hatchback door mounting structure of claim 2, wherein the hinge reinforcement plate includes a reinforcement plate body and at least two ribs protruding from an outer side of the reinforcement plate body, the ribs extending in a front-to-rear direction, and the ribs being spaced apart.

4. The hatchback door mounting structure according to claim 3, wherein a mounting groove is defined between any two adjacent reinforcing ribs, the hatchback door assembly further includes a hinge fixing member mounted at a front position of the mounting groove, and a rear end of the movable arm, the back door inner panel, the reinforcing panel body, and the hinge fixing member are connected in sequence.

5. The hatchback door mounting structure of claim 4, wherein the hinge securing member includes a securing plate and two lug portions respectively disposed on left and right sides of the securing plate, the securing plate is attached to the reinforcing plate body, and the two lug portions are respectively welded to the adjacent reinforcing ribs.

6. The hatchback door mounting structure according to claim 4, wherein the rear end of the movable arm has a first connection hole, the inner back door panel has a first through hole at a position corresponding to the first connection hole, the stiffener body has a second through hole at a position corresponding to the first through hole, and the hinge securing member has a nut member welded to the hinge securing member at a position corresponding to the second through hole;

7. The hatchback door mounting structure of claim 1, wherein the fixing base includes a connecting plate that is attached to a gutter of a roof of a vehicle body, and a connecting base that is connected to a rear side of the connecting plate and extends upward;

8. The hatchback door mounting structure according to claim 7, wherein the movable arm body includes a first extension portion and a second extension portion connected in sequence from front to back, the support plate is disposed at a rear end of the second extension portion, and angles between the second extension portion and the first extension portion and between the second extension portion and the support plate are both greater than 90 °;

9. The hatchback door mounting structure according to any one of claims 1 to 8, wherein a tail wing is further mounted on the hatchback door assembly, and both ends of the tail wing are respectively connected to the rear ends of the movable arms.