Sectional type electric empennage

Abstract

The utility model relates to a sectional type electric tail wing which comprises a spoiler (10), a multi-connecting-rod assembly (20) and a driving mechanism (30), the spoiler comprises a large panel (11) and a small panel (12), and the small panel can ascend and descend from a groove (111) in the large panel; the two multi-connecting-rod assemblies are arranged on the two sides of the small panel respectively, and each multi-connecting-rod assembly is connected with the large panel and the small panel. The driving mechanism is arranged between the two multi-connecting-rod assemblies and can synchronously drive the two multi-connecting-rod assemblies, so that the inclination angles of the large panel and the small panel are different in the lifting process of the spoiler. According to the sectional type electric tail wing, on the basis of an original single spoiler, the large panel and the small panel which can achieve different inclination angles are divided, the angle and the height of the tail wing plaque can be better adjusted, the aerodynamic performance of a vehicle at different speeds is improved, and the wind resistance coefficient generated in the vehicle running process is increased or reduced.

Description

Technical Field

[0001] This utility model belongs to the field of vehicle manufacturing, specifically a segmented electric tail wing. Background Technology

[0002] Existing electric rear wings for automobiles mostly adopt a single-section, fixed structure, such as those disclosed in CN117775124A-Electric Rear Wing System and Vehicle and CN211167142U-An Automobile Rocker Arm Type Electric Lifting Rear Wing. During vehicle operation, the movement of the rear wing is limited to a single mode, and it can only tilt at a predetermined angle. It cannot adjust the rear wing according to different driving conditions to achieve optimal aerodynamic performance, nor can it adjust and limit the downforce when the vehicle is traveling at high speed.

[0003] Based on this, this utility model is hereby proposed. Utility Model Content

[0004] In order to solve the above-mentioned problems in the existing technology, the purpose of this utility model is to provide a segmented electric tail wing, which is divided into two separable parts, enabling continuous adjustment of height and tilt angle.

[0005] The technical solution of this utility model is as follows: a segmented electric rear wing, including a spoiler, a multi-link assembly, and a drive mechanism. The spoiler includes a large panel and a small panel, and the small panel can rise and fall from a groove in the large panel. Two identical multi-link assemblies are respectively arranged on both sides of the small panel, and each multi-link assembly is connected to both the large and small panels. The drive mechanism is located between the two multi-link assemblies and can synchronously drive the two multi-link assemblies, so that the tilt angles of the large and small panels are different during the raising and lowering of the spoiler. When the segmented electric rear wing is not working, the small panel of the spoiler rests in the groove of the large panel, forming a whole with the large panel. When the segmented electric rear wing is working, the multi-link assembly lifts the large and small panels respectively, so that the height and tilt angle of the large and small panels are different, with the tilt angle of the large panel being smaller than that of the small panel. This makes the frontal area of ​​the spoiler larger than the entire large panel, thereby giving the vehicle greater downforce at high speeds.

[0006] Furthermore, the large panel has a groove at its rear to accommodate the small panel, and a step is provided in the groove to support the small panel. Normally, the small panel rests in the groove of the large panel, so that the two panels form a complete, integrated panel shape, thus making the overall spoiler look neat and aesthetically pleasing.

[0007] Furthermore, the multi-link assembly includes component one, component two, a U-shaped base, and an intermediate drive rod. Component one, component two, and the intermediate drive rod are all mounted on the U-shaped base. Component one is connected to the large panel, and component two is connected to the synchronous drive rod of the drive mechanism and the small panel, respectively, and is connected to component one through the intermediate drive rod. The drive mechanism can drive component two to rise, fall, and tilt, and also drive component one to rise, fall, and tilt, thereby causing the large panel or small panel connected to the upper ends of component one and component two to rise, fall, and tilt accordingly.

[0008] Furthermore, component one includes a first L-shaped support plate, a first connecting rod of component one, and a second connecting rod of component one. The first L-shaped support plate, the first connecting rod of component one, the second connecting rod of component one, and the left side wall of the U-shaped seat are connected together by a hinge to form a four-bar linkage. This four-bar linkage receives power transmitted from the central drive rod, thereby causing the large panel connected to component one to rise, fall, and tilt.

[0009] Furthermore, component two includes a second L-shaped support plate, a first link, a second link, a third link, a fourth link, and a lug plate disposed on the right side wall of the U-shaped seat. The second L-shaped support plate, the first link, the second link, the third link, the fourth link, and the U-shaped seat are connected together by hinges to form a six-bar linkage. This six-bar linkage receives power transmitted from the synchronous drive rod of the drive mechanism, thereby causing the small panel connected to component two to rise, fall, and tilt.

[0010] Furthermore, the two multi-link assemblies are symmetrically arranged on the left and right sides of the large panel and the small panel. The two assemblies 1 are connected to the large panel on the outside and the two assemblies 2 are connected to the small panel on the inside. The two assemblies 2 are simultaneously driven by two synchronous drive rods of the drive mechanism to lift and tilt. The two assemblies 1 are simultaneously driven by the middle drive rod to lift and tilt, thereby realizing the synchronous lifting and tilting of the large panel and the small panel.

[0011] Furthermore, the drive mechanism includes a motor, a reducer, and a synchronous drive rod. The motor is connected to the synchronous drive rod via the reducer, and each end of the synchronous drive rod is connected to a multi-link assembly. The rotation of the synchronous drive rod can simultaneously drive the two multi-link assemblies to move, enabling the two ends of the spoiler to rotate synchronously and smoothly.

[0012] Furthermore, it also includes a base on which the multi-link assembly and drive mechanism are mounted. The base is used to secure the spoiler to the upper surface of the vehicle's tailgate.

[0013] The advantages of this invention over the prior art are as follows.

[0014] 1. Based on the original single spoiler, large and small panels that can achieve different tilt angles are divided, which can better adjust the angle and height of the rear spoiler, improve the aerodynamic performance of the vehicle at different speeds, and increase or decrease the drag coefficient generated during vehicle operation.

[0015] 2. It adopts a multi-link assembly with single input and dual output functions, which connects the large panel and the small panel respectively, so that the tilt angle of the large panel and the small panel can be adjusted at the same time, which has the advantages of compact structure and multiple functions.

[0016] 3. The layout of the spoilers on both sides is driven synchronously by a single motor, which makes the spoilers very stable during the raising and lowering process and can achieve stable aerodynamic performance.

[0017] 4. Due to the use of a segmented rear wing, the rear wing trim can be raised at a higher angle when the car is moving at high speed, which improves the overall aesthetics of the car. Attached Figure Description

[0018] Figure 1 The diagram shown is a structural schematic of an embodiment of the segmented electric rear wing of this utility model. At this time, the electric rear wing is in the closed state, wherein the base assembly is fixed to the tailgate of the car, and the large panel and the small panel are attached to the initial styling surface (CAS, i.e., Concept A Surface) of the tailgate.

[0019] Figure 2 Showing Figure 1 The segmented electric tail wing shown is in the open state, with both the large and small panels reaching a certain tilt angle, and the small panel tilting at a greater angle.

[0020] Figure 3 The diagram shows a schematic of the drive device in one embodiment of a segmented electric tail wing of the present invention, which consists of a drive rod and a multi-link assembly. Component one of the multi-link assembly drives the large panel to move, and component two drives the small panel to move.

[0021] Figure 4 Showing Figure 3 The exploded view of the structure shown shows that each horizontal line segment represents the center line of the hinge shaft, and the through holes connected by the horizontal line segments are the hinge shaft holes that correspond one-to-one after assembly.

[0022] The attached figures are labeled as follows: spoiler 10, large panel 11, groove 111, step 112, small panel 12, multi-link assembly 20, assembly one 21, first L-shaped support plate 211, first link of assembly one 212, second link of assembly one 213, assembly two 22, second L-shaped support plate 221, first link of assembly two 222, second link of assembly two 223, third link of assembly two 224, fourth link of assembly two 225, U-shaped seat 23, left side wall 231, right side wall 232, lug plate 233, intermediate drive rod 24, drive mechanism 30, motor 31, reducer 32, synchronous drive rod 33, base 40. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of the embodiments of this utility model will be described in more detail below with reference to the accompanying drawings. The described embodiments are only a part of the embodiments of this utility model, not all of them. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0024] In the description of this utility model, it should be understood that, unless otherwise stated, "a plurality of" means two or more; the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "joined" should be interpreted broadly, for example, as fixed connections, detachable connections, or integral connections; they can be direct connections or indirect connections through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0025] like Figure 1 , Figure 2As shown, this utility model discloses a segmented electric tail wing, including a spoiler 10, a multi-link assembly 20, and a drive mechanism 30. The spoiler 10 includes a large panel 11 and a small panel 12. The large panel 11 has a groove 111 at its rear to accommodate the small panel 12. A step 112 is provided in the groove 111 to support the small panel 12. The small panel 12 can rise and fall from the groove 111 on the large panel 11. Two multi-link assemblies 20 with symmetrical structures are respectively arranged on both sides of the small panel 12. Each multi-link assembly 20 is connected to both the large panel 11 and the small panel 12. The drive mechanism 30 is located between the two multi-link assemblies 20 and can drive the two multi-link assemblies 20 synchronously, so that the tilt angles of the large panel 11 and the small panel 12 are different during the raising and lowering of the spoiler 10.

[0026] like Figure 3 , Figure 4 The diagram shown is a schematic of the drive device in one embodiment of a segmented electric tail wing of this utility model. It shows the structure of the left half of the drive device excluding the motor and reducer (which is mirror-symmetrical to the right half). The drive device includes a drive mechanism 30 and a multi-link assembly 20. The multi-link assembly 20 includes component 1 21, component 2 22, U-shaped seat 23 and intermediate drive rod 24. Component 1 21, component 2 22 and intermediate drive rod 24 are all mounted on the U-shaped seat 23. Component 1 21 is connected to the large panel 11. Component 2 22 is connected to the synchronous drive rod 33 of the drive mechanism 30 and also to the small panel 12. It is also connected to component 1 21 through the intermediate drive rod 24.

[0027] Figure 3 The two dashed boxes in the middle are component one 21 and component two 22 respectively. Component one 21 includes a first L-shaped support plate 211, component one first link 212 and component one second link 213. The first L-shaped support plate 211, component one first link 212, component one second link 213 and the left side wall 231 of the U-shaped seat 23 are connected together by a hinge to form a four-bar linkage.

[0028] The first L-shaped support plate 211 is a folded plate, including a horizontal part and a vertical part. The horizontal part has two through holes to facilitate the passage of bolts or screws for connection with the large panel 11. The vertical part also has two through holes, which are used to connect the first connecting rod 212 of the first assembly and the second connecting rod 213 of the first assembly, respectively. The horizontal part of the first L-shaped support plate 211 may also be without holes, and other methods of connection may be used, such as welding, riveting, or other fixed connection methods, to the large panel 11.

[0029] The first connecting rod 212 of component one has a through hole at each end. One through hole is used to hinge with the left side of the vertical part of the first L-shaped support plate 211, and the other through hole is used to hinge with the through hole at the uppermost part of the left side wall 231 of the U-shaped seat 23, and is connected to the left side of the left side wall 231 (this can avoid position interference).

[0030] The second connecting rod 213 of component one has a through hole at each end. One through hole is used to hinge with the right side of the vertical part of the first L-shaped support plate 211, and the other through hole is used to hinge with a through hole at the lower part of the left side wall 231 of the U-shaped seat 23, and is connected to the right side of the left side wall 231 (this can avoid position interference). In addition, the second connecting rod 213 of component one also has a through hole in the middle and lower part for hinge with one end of the intermediate drive rod 24.

[0031] The first L-shaped support plate 211, the first connecting rod 212 of component one, the second connecting rod 213 of component one, and the left side wall 231 of the U-shaped seat 23 are connected together by a hinge to form a four-bar linkage. The left side wall 231 of the U-shaped seat 23 is fixed, while the other three are driven by the middle drive rod 24, so that the first L-shaped support plate 211 is raised, lowered, and tilted, thereby driving the large panel 11 connected to it to be raised, lowered, and tilted.

[0032] like Figure 3 , Figure 4 As shown, component 22 includes a second L-shaped support plate 221 for supporting the small panel 12, component 2 first connecting rod 222, component 2 second connecting rod 223, component 2 third connecting rod 224, component 2 fourth connecting rod 225, and a lug plate 233 disposed on the right side wall 232 of the U-shaped seat 23.

[0033] The second L-shaped support plate 221 is a folded plate, including a horizontal part and an inclined part. The horizontal part has two through holes for bolts or screws to pass through and connect to the small panel 12. The inclined part also has two through holes, which are used to hinge the first connecting rod 222 and the second connecting rod 223 of the second component. The horizontal part of the second L-shaped support plate 221 may also be without holes, and other methods of connection may be used, such as welding, riveting, or other fixed connection methods, to connect to the small panel 12.

[0034] The first connecting rod 222 of component two is a Z-shaped strip with a through hole at each end. One of the through holes is used to hinge with the through hole of the inclined part of the second L-shaped support plate 221, so that the right side of the first connecting rod 222 of component two is rotatably connected to the left side of the inclined part. The other through hole on the Z-shaped strip is used to hinge with a through hole at the lower part of the left side wall 231 of the U-shaped seat 23, and is connected to the right side of the left side wall 231 (this can avoid position interference).

[0035] The second connecting rod 223 of component two is a strip with four through holes. The strip has one through hole at the top, one through hole in the middle, and two through holes at the bottom. Each through hole is used to hinge different objects. For example, the upper through hole is used to hinge to the lower right side of the inclined part of the second L-shaped support plate 221, the middle through hole is used to hinge to the upper part of the third connecting rod 224 of component two, one of the two lower through holes is used to hinge to the lug plate 233 of the U-shaped seat 23, and the other of the two lower through holes is used to hinge to the right side of the intermediate drive rod 24.

[0036] The third link 224 of component two is a strip with two through holes. The upper through hole is used to connect to the right side of the second link 223 of component two, and the lower through hole is used to connect to the left side of the fourth link 225 of component two.

[0037] The fourth link 225 of component two is a strip with through holes at both ends. The through hole at one end is used to fix it to the synchronous drive rod 33 so that the fourth link 225 of component two can obtain driving power. The through hole at the other end is used to connect to the right side of the third link 224 of component two.

[0038] The lug plate 233 is a folded plate set on the right side wall of the U-shaped seat 23. The part of it perpendicular to the right side wall of the U-shaped seat 23 is fixedly connected or integrally connected to the left side of the right side wall of the U-shaped seat 23. The part of it parallel to the right side wall of the U-shaped seat 23 is a plane with a through hole for hinged assembly 223.

[0039] The intermediate drive rod 24 is a Z-shaped strip with a through hole at each end. One through hole is used to hinge the intermediate drive rod 24 to the right side of the second connecting rod 213 of component one, and the other through hole is used to hinge the intermediate drive rod 24 to the left side of the second connecting rod 223 of component two. The intermediate drive rod 24 acts as a bridge for force transmission between component one 21 and component two 22.

[0040] The second L-shaped support plate 221, the first link 222, the second link 223, the third link 224, the fourth link 225, and the U-shaped seat 23 are connected together by hinges to form a six-bar linkage. The U-shaped seat 23 is fixed to the base 40 and has neither rotational nor translational movement; the first link 222, the second link 223, and the fourth link 225 of the second component only rotate along the hinge axis and have no translational movement; while the second L-shaped support plate 221 and the third link 224 of the second component have both rotational and translational movement.

[0041] The fourth link 225 of component two is driven by the synchronous drive rod 33 to rotate, thereby causing the third link 224 of component two to translate and rotate, which in turn causes the second link 223 of component two to rotate.

[0042] In this utility model, the second link 223 of component two has two main functions: first, it drives the second L-shaped support plate 221, which is hinged to it, to both translate and rotate, thereby realizing the lifting and tilting of the small panel 12, which is fixedly connected to the second L-shaped support plate 221; second, it transmits the driving force to the four-bar linkage composed of the first L-shaped support plate 211, the first link 212 of component one, the second link 213 of component one, and the left side wall 231 of the U-shaped seat 23 through the intermediate drive rod 24, so that the large panel 11 can also be lifted and tilted synchronously.

[0043] In this invention, the distance L1 between the two through holes of the first link 212 of component one is less than the distance L2 between the two farthest holes of the second link 223 of component two. Therefore, the lifting distance and tilting angle of the large panel 11 connected to the four-bar linkage will be less than the lifting distance and tilting angle of the small panel 12 connected to the six-bar linkage.

[0044] In this invention, the U-shaped seat 23 is a U-shaped structural component, including a left side wall 231, a bottom wall, and a right side wall 232. A lug plate 233 is provided on the right side wall 232. The left side wall 231 has multiple through holes for hinged connection of the first connecting rod 212 of component one, the second connecting rod 213 of component one, and the first connecting rod 222 of component two. The right side wall 232 has a through hole for one end of the synchronous drive rod 33 to pass through. This end is fixedly connected to the fourth connecting rod 225 of component two, and the rotation of the synchronous drive rod 33 can cause the fourth connecting rod 225 of component two to rotate.

[0045] In this invention, the drive mechanism 30 includes a motor 31, a reducer 32, and a synchronous drive rod 33. The motor 31 is connected to the synchronous drive rod 33 through the reducer 32. A multi-link assembly 20 is connected to each of the left and right ends of the synchronous drive rod 33. The rotation of the synchronous drive rod 33 can simultaneously drive the two symmetrically arranged multi-link assemblies 20 to move, so that the two ends of the spoiler 10 can rotate synchronously and smoothly.

[0046] The typical working process of this utility model's segmented electric tail fin is described as follows:

[0047] When the rear wing is not activated, it is in its initial position, and the small panel 12 of the spoiler 10 is retracted into the groove 111 of the large panel 11, forming a flat plate. When the vehicle speed reaches the requirement for rear wing activation, the motor 31 starts, and the synchronous drive rod 33 synchronously inputs power to the symmetrically arranged multi-link components 20 on both sides. Component 22 moves, causing the small panel 12 to rise and tilt under the action of the six-bar linkage. At the same time, the action of component 22 powers the middle drive rod 24, causing component 21 to move as well, causing the large panel 11 to rise and tilt under the action of the four-bar linkage. Because the rotation radius of the first link 212 of component 1 in the four-bar linkage is smaller than the rotation radius of the second link 223 of component 2 in the six-bar linkage, the rise height and tilt angle of the large panel 11 are smaller than those of the small panel 12. Under the control of the vehicle control system, the motor 31 can drive the large panel 11 and the small panel 12 to stay at any position between their respective highest point (top dead center) and lowest point (bottom dead center), increasing or decreasing the drag coefficient generated during vehicle operation, thereby enabling the tail wing to obtain the expected amount of downforce.

[0048] In summary, the above description is only a preferred embodiment of the present utility model. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall fall within the scope of the patent of the present utility model.

Claims

1. A segmented electric tail wing, comprising a spoiler (10), a multi-link assembly (20), and a drive mechanism (30), characterized in that, The spoiler (10) includes a large panel (11) and a small panel (12). The small panel (12) can be raised and lowered from the groove (111) on the large panel (11). Two multi-link assemblies (20) are respectively arranged on both sides of the small panel (12). Each multi-link assembly (20) is connected to the large panel (11) and the small panel (12) respectively. The drive mechanism (30) is arranged in the middle of the two multi-link assemblies (20) and can drive the two multi-link assemblies (20) synchronously, so that the tilt angles of the large panel (11) and the small panel (12) are different during the raising and lowering process of the spoiler (10).

2. The segmented electric tail fin as described in claim 1, characterized in that, The large panel (11) has a groove (111) at the rear to accommodate the small panel (12), and a step (112) is provided in the groove (111) for placing the small panel (12).

3. The segmented electric tail fin as described in claim 1, characterized in that, The multi-link assembly (20) includes component one (21), component two (22), U-shaped seat (23) and intermediate drive rod (24). Component one (21), component two (22) and intermediate drive rod (24) are all set on U-shaped seat (23). Component one (21) is connected to the large panel (11). Component two (22) is connected to the synchronous drive rod (33) and the small panel (12) of the drive mechanism (30) respectively, and is connected to component one (21) through intermediate drive rod (24).

4. The segmented electric tail fin as described in claim 3, characterized in that, The first component (21) includes a first L-shaped support plate (211), a first link (212) of the first component, and a second link (213) of the first component. The first L-shaped support plate (211), the first link (212) of the first component, the second link (213) of the first component, and the left side wall (231) of the U-shaped seat (23) are connected together by a hinge to form a four-bar linkage.

5. The segmented electric tail fin as described in claim 4, characterized in that, The second component (22) includes a second L-shaped support plate (221), a first link (222) of the second component, a second link (223) of the second component, a third link (224) of the second component, a fourth link (225) of the second component, and a lug plate (233) provided on the right side wall (232) of the U-shaped seat (23). The second L-shaped support plate (221), the first link (222) of the second component, the second link (223) of the second component, the third link (224) of the second component, the fourth link (225) of the second component, and the U-shaped seat (23) are connected together by hinge to form a six-bar linkage.

6. The segmented electric tail fin as described in claim 5, characterized in that, Two multi-link assemblies (20) are symmetrically arranged on the left and right sides of the large panel (11) and the small panel (12). Two assemblies (21) are connected to the large panel (11) on the outside and two assemblies (22) are connected to the small panel (12) on the inside. The two assemblies (22) are simultaneously driven by two synchronous drive rods (33) of the drive mechanism (30) to lift and tilt. The two assemblies (21) are simultaneously driven by the middle drive rod (24) to lift and tilt, thereby realizing the synchronous lifting and tilting of the large panel (11) and the small panel (12).

7. The segmented electric tail fin as described in any one of claims 1-6, characterized in that, The drive mechanism (30) includes a motor (31), a reducer (32) and a synchronous drive rod (33). The motor (31) is connected to the synchronous drive rod (33) through the reducer (32). Both ends of the synchronous drive rod (33) are connected to a multi-link assembly (20).

8. The segmented electric tail fin as described in claim 7, characterized in that, It also includes a base (40), on which the multi-link assembly (20) and the drive mechanism (30) are both mounted.

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