CN213138954U

CN213138954U - Rear tail wing of automobile

Info

Publication number: CN213138954U
Application number: CN202022052814.3U
Authority: CN
Inventors: 李峰; 赵建证; 豆为公; 梁成海; 杨硕
Original assignee: Shandong Lichi New Energy Automobile Co ltd
Current assignee: Shandong Leichi New Energy Vehicle Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-07
Anticipated expiration: 2030-09-17

Abstract

The utility model relates to an automobile rear empennage, which comprises an inner shell and an outer shell, wherein the inner shell is arranged into a shell structure along the width direction of an automobile, the middle part of the inner shell is provided with a plurality of screw holes which are arranged at intervals along the length direction of the inner shell, part of the screw holes are arranged corresponding to rear compartment cover hinges of the automobile, and the rear compartment cover hinges of the automobile are provided with connecting holes corresponding to the screw holes; the shell body is arranged in a shell structure matched with the inner shell body along the width direction of the automobile, the shell body is provided with a plurality of screw seats corresponding to the screw holes of the inner shell body, and the surface of the inner wall of the shell body is provided with a first positioning piece and a second positioning piece respectively. The utility model discloses install the rear compartment lid hinge position of car with the rear fin, can avoid taking place between rear fin and the automobile housing drilling connection, avoid appearing the infiltration of automobile housing drilling junction and rust the scheduling problem for the molding of rear fin, assembly can have more extensive design space, reduce rear fin design limitation.

Description

Rear tail wing of automobile

Technical Field

The utility model relates to a fin behind car.

Background

The automobile tail fin is usually mounted on the automobile luggage compartment cover and belongs to a part of an automobile aerodynamic kit. According to the aerodynamic principle, the automobile can meet air resistance in the high-speed driving process, aerodynamic forces in the three directions of longitudinal, lateral and vertical rising are generated around the gravity center of the automobile at the same time, wherein the tail part of the automobile can be subjected to the lifting force formed by the air resistance, the automobile tail wing enables air to generate a fourth acting force on the automobile, namely, a larger adhesive force to the ground is generated, a part of the lifting force is offset, the automobile is effectively controlled to float upwards, the wind resistance coefficient is correspondingly reduced, the driving stability is improved, the energy consumption is reduced, meanwhile, the appearance of the automobile is more attractive, and a certain decoration effect is achieved. However, the automobile is easy to leak water at the joint after the empennage is installed, so that metal plates of the automobile body rust, and even internal electronic devices are damaged, and particularly, the automobile empennage cannot be provided with waterproof buckles due to the modeling and the space, so that the water leakage problem is easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automobile rear tail wing, which has reasonable structural design, and the rear tail wing is arranged at the hinge position of a rear carriage cover of an automobile, thereby avoiding the drilling connection between the rear tail wing and an automobile shell, avoiding the problems of water seepage, rusting and the like at the drilling connection part of the automobile shell, leading the modeling and the assembly of the rear tail wing to have wider design space and reducing the design limitation of the rear tail wing; and the back fin adopts double-deck shell structure interconnect cooperation, adopts middle part position screw connection location, side position joint to link to each other between the inlayer of back fin and the outer casing, under the reliable prerequisite of ensureing joint strength, avoids the corrosion phenomenon of side, has solved the problem that exists among the prior art.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: an automobile rear tail fin comprising:

the automobile rear compartment cover hinge comprises an inner shell, a plurality of screw holes and a plurality of connecting holes, wherein the inner shell is arranged into a shell structure along the width direction of an automobile, the middle part of the inner shell is provided with the plurality of screw holes, the plurality of screw holes are arranged at intervals along the length direction of the inner shell, part of the screw holes are arranged corresponding to the rear compartment cover hinge of the automobile, and the rear compartment cover hinge of the automobile is provided with the connecting holes corresponding to; a first clamping piece is arranged at the top surface of one side of the inner shell relative to the length direction of the automobile, and a second clamping piece is arranged at the top surface of the other side of the inner shell relative to the length direction of the automobile;

the automobile positioning device comprises an outer shell, a plurality of positioning pieces and a plurality of positioning pieces, wherein the outer shell is arranged in the width direction of an automobile to form a shell structure matched with the inner shell, the outer shell is provided with a plurality of screw seats corresponding to screw holes of the inner shell, the inner wall surface of the outer shell is respectively provided with a first positioning piece and a second positioning piece, the first positioning piece is provided with a first clamping groove mutually clamped and matched with the first clamping piece, and the second positioning piece is provided with a second clamping groove mutually clamped and matched with the second clamping piece;

after the first clamping piece and the second clamping piece of the inner shell are respectively clamped and matched with the first clamping groove and the second clamping groove of the outer shell, the inner shell and the outer shell are mutually clamped and matched, a screw hole, which does not correspond to the hinge position of the rear compartment cover, on the top surface of the inner shell is connected with a screw seat of the outer shell through a screw, and the inner shell and the outer shell are connected through the screw to form a rear tail wing structure; after the inner shell and the outer shell are connected, the connecting hole of the rear compartment cover hinge, the screw hole corresponding to the inner shell and the screw seat corresponding to the outer shell are connected through a screw, so that the rear tail wing structure is connected with the rear compartment cover hinge.

Furthermore, the rear compartment cover hinges are symmetrically arranged in two along the width direction of the automobile, each rear compartment cover hinge is provided with two connecting holes, and the number of the inner shell bodies corresponding to the screw holes of the connecting holes is four.

Furthermore, the screw base includes support section and linkage segment, the radial dimension that supports the section is greater than the radial dimension of linkage segment, support the section with the inner wall of shell body links to each other, the linkage segment is equipped with the internal thread hole, the tip of linkage segment be equipped with the step of screw hole grafting, make shell body and interior shell body connect the back, the tip step of linkage segment can insert in the screw hole.

Furthermore, a sinking platform is arranged at the bottom surface of the inner shell corresponding to the screw hole and used for being matched with the head of the screw.

Furthermore, first joint spare and second joint spare are followed respectively the even interval of side of interior casing sets up a plurality ofly.

Further, the first locating piece of shell body is established and is formed by the shell plate bending type, the shell plate the edge with shell body inner wall links to each other, forms the facade and a connection face of two symmetries after the shell plate is buckled, two the facade is equipped with first draw-in groove respectively, back fin structure and back railway carriage or compartment lid hinged joint back, the slope setting that extends from last to bottom of first locating piece makes the opening of first draw-in groove sets up towards the below, forms the brim of a hat structure.

Furthermore, reinforcing ribs which are connected in a staggered mode are arranged on the surface of the inner wall of the outer shell, and the position of the connecting surface formed by each first positioning piece is connected with one of the reinforcing ribs.

Furthermore, the second positioning piece is of a plate-shaped structure, the plate surface of the second positioning piece is arranged in an arc shape along the edge trend of the outer shell, and a plurality of second clamping grooves are uniformly arranged at intervals on the plate surface of the second positioning piece.

Further, the interior casing is close to one side of second joint spare is equipped with the kink, the kink to shell body direction bending type sets up, second joint spare with the top surface of interior casing links to each other, is located the kink is inboard, interior casing with the shell body links to each other the back, the terminal surface of kink with the side cooperatees in the edge of shell body.

Furthermore, the fixed end of the rear compartment cover hinge is connected with the top cover of the automobile, and the movable end of the rear compartment cover hinge is connected with the rear compartment cover of the automobile.

The utility model has the advantages that the structure is reasonable in design, the rear tail wing is installed at the hinge position of the rear carriage cover of the automobile, the drilling connection between the rear tail wing and the automobile shell can be avoided, the problems of water seepage, rusting and the like at the drilling connection part of the automobile shell are avoided, the modeling and the assembly of the rear tail wing can have wider design space, and the design limitation of the rear tail wing is reduced; the rear tail wings are mutually connected and matched by adopting a double-layer shell structure, the inner layer and the outer layer of the rear tail wings are connected and positioned by adopting a middle position screw, and the side edge positions are connected in a clamping way, so that the side edge corrosion phenomenon is avoided on the premise of ensuring the reliable connection strength; and the rear tail wing is designed with a hat brim structure, so that the problem of water accumulation of the inner shell is avoided, and the clamping structure between the inner layer of the rear tail wing and the outer shell adopts a special design, so that the clamping reliability can be ensured, the assembly precision is effectively improved, and the structure gap is reduced.

Drawings

Fig. 1 is a schematic perspective view of the usage state of the present invention.

Fig. 2 is a schematic view of the structure of the utility model in the use state.

Fig. 3 is a schematic sectional view in the direction of a-a in fig. 2.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 3.

Fig. 5 is a schematic structural view of the inner case of the rear tail wing of the present invention.

Fig. 6 is a schematic structural diagram of the outer shell of the rear tail wing of the present invention.

In the figure, the position of the upper end of the main shaft,

1. an inner housing; 101. screw holes; 102. a first clip member; 103. a second clip member; 104. sinking a platform; 105. a bending section;

2. an outer housing; 201. a screw seat; 2011. a support section; 2012. a connecting section; 202. a first positioning member; 203. a second positioning member; 204. a first card slot; 205. a second card slot; 206. reinforcing ribs;

3. a rear compartment cover hinge;

4. a top cover;

5. a rear compartment cover.

Detailed Description

In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1 to 6, an automobile rear tail wing includes an inner shell 1 and an outer shell 2, the inner shell 1 is configured as a shell structure along the width direction of an automobile, the middle part of the inner shell 1 is provided with a plurality of screw holes 101, the plurality of screw holes 101 are arranged at intervals along the length direction of the inner shell, wherein a part of the screw holes 101 are arranged corresponding to a rear compartment cover hinge 3 of the automobile, and the rear compartment cover hinge 3 of the automobile is provided with a connecting hole 301 corresponding to the screw holes 101; a first clamping piece 102 is arranged at the top surface of one side of the inner shell 1 relative to the length direction of the automobile, and a second clamping piece 103 is arranged at the top surface of the other side of the inner shell 1 relative to the length direction of the automobile; the outer shell 2 is arranged in a shell structure matched with the inner shell 1 along the width direction of the automobile, the outer shell 2 is provided with a plurality of screw seats 201 corresponding to the screw holes 101 of the inner shell 1, the inner wall surface of the outer shell 2 is respectively provided with a first positioning piece 202 and a second positioning piece 203, the first positioning piece 202 is provided with a first clamping groove 204 mutually clamped and matched with the first clamping piece 102, and the second positioning piece 203 is provided with a second clamping groove 205 mutually clamped and matched with the second clamping piece 103; after the first clamping piece 102 and the second clamping piece 103 of the inner shell 1 are respectively clamped and matched with the first clamping groove 204 and the second clamping groove 205 of the outer shell 2, the inner shell 1 and the outer shell 2 are mutually clamped and matched, the screw hole 101, which does not correspond to the position of the rear compartment cover hinge 3, on the top surface of the inner shell 1 is connected with the screw seat 201 of the outer shell 2 through a screw, and the inner shell 1 and the outer shell 2 are connected through the screw to form a rear tail wing structure; after the inner shell 1 and the outer shell 2 are connected, the connecting hole 301 of the rear compartment cover hinge 3, the screw hole 101 corresponding to the inner shell 1 and the screw seat 201 corresponding to the outer shell 2 are connected through screws, so that the rear tail wing structure is connected with the rear compartment cover hinge 3. When the rear tail wing is used, the rear tail wing is arranged at the position of the hinge 3 of the rear carriage cover of the automobile, so that the drilling connection between the rear tail wing and the automobile shell can be avoided, the problems of water seepage, rusting and the like at the drilling connection part of the automobile shell are avoided, a wider design space can be provided for the modeling and the assembly of the rear tail wing, and the design limitation of the rear tail wing is reduced; and the back fin adopts double-deck shell structure interconnect cooperation, adopt middle part position screw connection location between the interior casing 1 of back fin and the shell body 2, the side position is through first joint spare 102 and first draw-in groove 204 looks joint, second joint spare 103 and the 205 looks joints of second draw-in groove, ensure under the reliable prerequisite of joint strength, avoid the corrosion phenomenon of side, the joint structure between the interior casing 1 of back fin and the shell body 2 adopts special design, can ensure the reliability of joint, effectively improve the assembly precision, reduce the structure gap.

In the preferred embodiment, two rear compartment cover hinges 3 are symmetrically arranged along the width direction of the automobile, each rear compartment cover hinge 3 is provided with two connecting holes 301, and the inner shell 1 is provided with four screw holes 101 corresponding to the connecting holes 301. Each of the rear compartment cover hinges 3 is connected with the corresponding screw hole 101 of the inner housing 1 through two connecting holes 301, and is stable and reliable.

In a preferred embodiment, the screw base 201 includes a supporting section 2011 and a connecting section 2012, the radial dimension of the supporting section 2011 is greater than the radial dimension of the connecting section 2012, the supporting section 2011 is connected with the inner wall of the outer shell 2, the connecting section 2012 is provided with an internal threaded hole, the end of the connecting section 2012 is provided with a step inserted into the screw hole 101, so that the step at the end of the connecting section 2012 can be inserted into the screw hole 101 after the outer shell 2 and the inner shell 1 are connected.

In a preferred embodiment, a sunken platform 104 is provided at a position of the bottom surface of the inner shell 1 corresponding to the screw hole 101, and the sunken platform 104 is used for matching with the head of the screw. The arrangement of the sinking platform 104 is beneficial to accurate installation and matching of the screw, and the head of the screw can be embedded into the sinking platform 104, so that interference to other structures is reduced, and the assembly space is saved.

In a preferred embodiment, the first clamping members 102 and the second clamping members 103 are respectively arranged along the side edge of the inner shell 1 at regular intervals. A plurality of first joint pieces 102 and the second joint piece 103 that the even interval set up can make the connectivity of interior casing 1 and shell body 2 stronger, and assembly precision is high, the clearance is little.

In a preferred embodiment, the first positioning member 202 of the outer casing 2 is formed by bending a shell plate, the edge of the shell plate is connected to the inner wall of the outer casing 2, the shell plate is bent to form two symmetrical vertical surfaces and a connecting surface, the two vertical surfaces are respectively provided with a first clamping groove 204, after the rear tail wing structure is connected to the rear compartment cover hinge 3, the first positioning member 202 extends and inclines from top to bottom, so that the opening of the first clamping groove 204 is arranged downward to form a brim structure. The brim of a hat structure that forms in this embodiment can effectively avoid inlayer casing ponding problem, and the structural design of first locating piece 202 makes it have higher rigidity and intensity, the shell plate links to each other with shell body 2 after buckling, the stability of first locating piece 202 has been guaranteed, set up first draw-in groove 204 at the facade of first locating piece 202 simultaneously, the at utmost reduces the influence of first draw-in groove 204 to first locating piece 202, ensure that first draw-in groove 204 can cooperate with the inseparable joint of first joint spare 102.

In a preferred embodiment, the inner wall surface of the outer case 2 is provided with ribs 206 alternately connected to each other, and the connecting surface formed by each first positioning member 202 is connected to one of the ribs 206. The setting of strengthening rib 206 can effectively improve the overall structure intensity and the reliability of shell body 2, carries out effective connection with the first locating piece 202 of shell body 2 surface setting moreover, and structural integrity is strong. It will be appreciated that the reinforcement rib 206 can be connected to both the second positioning member and the screw base 201.

In a preferred embodiment, the second positioning member 203 is a plate-shaped structure, the plate surface of the second positioning member 203 is arranged in an arc shape along the edge of the outer casing 2, and a plurality of second slots 205 are arranged at the plate surface of the second positioning member 203 at regular intervals. Second draw-in groove 205 sets up in the face position, makes second joint spare 103 can keep good joint state with second draw-in groove 205, makes the fit-up gap of interior casing 1 and shell body 2 inseparabler.

In preferred embodiment, one side that interior casing 1 is close to second joint spare 103 is equipped with kink 105, and kink 105 sets up to the outside 2 direction bendings of casing, and second joint spare 103 and the top surface of interior casing 1 link to each other, are located kink 105 inboard, and interior casing 1 and the continuous back of shell body 2, the terminal surface of kink 105 and the inboard edge of the edge of shell body 2 cooperate. The design of kink 105, it is little to make the outer casing 2 and the cooperation back of interior casing 1 correspond a side clearance, guarantees the complete degree of assembly back outward appearance, and second joint spare 103 sets up in the inboard of kink 105 in addition, avoids the cooperation of second joint spare 103 and second draw-in groove 205 to cause the influence to the fit clearance of outer casing 2 and interior casing 1, has both guaranteed the effective connection of outer casing 2 and interior casing 1, ensures again that the fit clearance satisfies the requirement for design.

In the preferred embodiment, the fixed end of the trunk lid hinge 3 is connected to the roof 4 of the vehicle, and the movable end of the trunk lid hinge 3 is connected to the trunk lid 5 of the vehicle.

The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims

1. An automobile rear tail fin, comprising:

2. The rear tail wing of an automobile as claimed in claim 1, wherein the rear lid hinge is symmetrically provided with two in a width direction of the automobile, each rear lid hinge is provided with two connection holes, and the inner housing is provided with four corresponding screw holes of the connection holes.

3. The rear tail fin of an automobile as claimed in claim 2, wherein the screw seat includes a support section and a connection section, the radial dimension of the support section is greater than that of the connection section, the support section is connected to the inner wall of the outer housing, the connection section is provided with an internal threaded hole, the end of the connection section is provided with a step which is inserted into the threaded hole, so that the step at the end of the connection section can be inserted into the threaded hole after the outer housing and the inner housing are connected.

4. The rear tail wing of an automobile as claimed in claim 3, wherein a sunken platform is provided at a position of the bottom surface of the inner housing corresponding to the screw hole, the sunken platform being adapted to fit with a head of the screw.

5. The rear tail of claim 1, wherein the first engaging member and the second engaging member are respectively provided in plurality at regular intervals along the side of the inner housing.

6. The rear tail wing of an automobile as claimed in claim 5, wherein the first positioning member of the outer housing is formed by bending a shell plate, the edge of the shell plate is connected to the inner wall of the outer housing, the shell plate is bent to form two symmetrical vertical surfaces and a connecting surface, the two vertical surfaces are respectively provided with a first clamping groove, after the rear tail wing structure is hinged to the rear compartment cover, the first positioning member extends and inclines from top to bottom, so that the opening of the first clamping groove faces downward to form a visor structure.

7. The rear tail of an automobile as set forth in claim 6, wherein the inner wall surface of the outer case is provided with ribs alternately connected to each other, and the connection surface formed by each of the first positioning members is connected to one of the ribs.

8. The automobile rear tail wing according to claim 1, wherein the second positioning member is a plate-shaped structure, the plate surface of the second positioning member is arranged in an arc shape along the edge direction of the outer shell, and a plurality of second clamping grooves are uniformly arranged at intervals on the plate surface of the second positioning member.

9. The rear tail wing of claim 8, wherein a bent portion is formed at one side of the inner housing, which is close to the second clamping member, the bent portion is bent toward the outer housing, the second clamping member is connected to the top surface of the inner housing and is located inside the bent portion, and after the inner housing is connected to the outer housing, the end surface of the bent portion is matched with the inner side edge of the outer housing.

10. The rear tail wing of an automobile as claimed in claim 1, wherein the fixed end of the rear compartment cover hinge is connected with the roof of the automobile, and the movable end of the rear compartment cover hinge is connected with the rear compartment cover of the automobile.