Driving assembly and vehicle

Abstract

The invention provides a driving assembly and a vehicle. The driving assembly comprises a multi-connecting-rod mechanism and a driving device. The driving device comprises a connecting shell and a linear motion body which are connected, the connecting shell is used for being rotatably arranged on the upper portion of the vehicle, and the linear motion body can linearly move relative to the connecting shell so as to apply force to the multi-connecting-rod mechanism. The multi-connecting rod mechanism comprises a bearing seat, a first connecting rod, a second connecting rod, an auxiliary connecting rod group and a moving seat; the bearing seat is fixedly arranged on the upper portion of a vehicle, the moving seat is in transmission connection with a turbulent flow assembly located on the upper portion of the vehicle, the first connecting rod is rotatably arranged on the bearing seat, one end of the first connecting rod is rotatably connected with the linear moving body, and the other end of the first connecting rod is slidably connected with the second connecting rod. The second connecting rod is in transmission connection with the auxiliary connecting rod group which is in transmission connection with the moving seat; the auxiliary connecting rod group comprises at least one connecting rod; and the moving seat can be driven by the auxiliary connecting rod group to turn over.

Description

Technical Field

[0001] The present invention specifically relates to a drive assembly and a vehicle. Background Art

[0002] Designers usually use a rotary motor as a drive source to drive a multi-link mechanism. For example, a vehicle is often equipped with spoiler components such as an electric tail wing. Such spoiler components usually need to be connected to a stable and reliable drive assembly to be driven by the drive assembly, and then change their postures according to pre-settings and / or the needs of the vehicle owner. More specifically, the principle of changing the posture of the electric tail wing is usually as follows: The drive assembly includes a multi-link mechanism and a rotary motor. The electric tail wing is connected to the link mechanism, and the link mechanism is connected to the rotary motor. The rotary motor directly outputs a rotational force to the link mechanism, so that the link mechanism drives the electric tail wing to change its posture.

[0003] The inventor of this case found that the above-mentioned solution of usually using a rotary motor as a drive source by designers restricts the diversity of the ways to drive the multi-link mechanism to a certain extent, and restricts the design diversity of the drive assembly and the vehicle. At the same time, there has not been a drive assembly in which the multi-link mechanism can be connected to a linear motion drive device such as an electric strut / push rod and be driven by a linear motion drive device such as an electric strut / push rod, so as to drive the electric tail wing to change its posture. Based on this, the inventor of this case believes that a drive assembly can be designed so that the multi-link mechanism in it can be connected to a linear motion drive device such as an electric strut / push rod, thereby expanding the design diversity of the ways to drive the multi-link mechanism and expanding the design diversity of the drive assembly and the vehicle. Summary of the Invention

[0004] The purpose of the present invention is to provide a drive assembly and a vehicle.

[0005] The drive assembly provided by the present invention includes a multi-link mechanism and a drive device; the drive device includes a connecting housing and a linear motion body connected to each other. The connecting housing is used to be rotatably arranged on the upper part of the vehicle, and the linear motion body can move linearly relative to the connecting housing to apply a force to the multi-link mechanism.

[0006] The multi-link mechanism includes a bearing seat, a first link, a second link, an auxiliary link group, and a motion seat; the bearing seat is used to be fixedly arranged on the upper part of the vehicle, the motion seat is used to be in transmission connection with a spoiler component located on the upper part of the vehicle, the first link is rotatably arranged on the bearing seat, and one end of the first link is rotatably connected to the linear motion body and the other end is slidably connected to the second link; the second link is in transmission connection with the auxiliary link group, and the auxiliary link group is in transmission connection with the motion seat; the auxiliary link group includes at least one link; the motion seat can be flipped under the drive of the auxiliary link group.

[0007] Optionally, an input member is fixedly provided on the first connecting rod, and a ball-and-socket joint connection is formed between one end of the linear moving body and the input member; the connecting housing is used to form a ball-and-socket joint connection with the upper part of the vehicle; at the connection between the linear moving body and the input member, and at the connection between the connecting housing and the upper part of the vehicle, these two are respectively located at two opposite ends of the driving device.

[0008] Optionally, a sliding groove is provided on the first connecting rod, and a force transmission member is provided on the second connecting rod; the force transmission member includes a rod body fixedly connected to the second connecting rod and a driven body connected to the rod body; the driven body extends into the sliding groove and is slidably connected to the sliding groove, and can adaptively move in the sliding groove as the first connecting rod rotates; a ball-and-socket joint connection is formed at the connection between the rod body and the driven body, so that the driven body can move relative to the rod body.

[0009] Optionally, a sliding groove is provided on the first connecting rod, and a force transmission member is provided on the second connecting rod; the force transmission member includes a rod body connected to the second connecting rod and a driven body fixedly connected to the rod body; the driven body extends into the sliding groove and is slidably connected to the sliding groove, and can adaptively move in the sliding groove as the first connecting rod rotates; a ball-and-socket joint connection is formed at the connection between the rod body and the second connecting rod, so that the force transmission member can move relative to the second connecting rod.

[0010] Optionally, the first connecting rod and the second connecting rod are slidably connected; the auxiliary connecting rod group includes a connecting rod with a quantity of one, and one end and the opposite end of this connecting rod are respectively rotatably connected to the bearing seat and the moving seat; between these two ends of this connecting rod, the second connecting rod is rotatably connected to this connecting rod.

[0011] Optionally, the auxiliary connecting rod group includes a third connecting rod, a fourth connecting rod, a fifth connecting rod, and a sixth connecting rod; the first connecting rod and the second connecting rod are slidably connected, and one end and the opposite end of the third connecting rod are respectively rotatably connected to the bearing seat and the sixth connecting rod;

[0012] Between one end and the opposite end of the third connecting rod, the second connecting rod is rotatably connected to the third connecting rod, and the fourth connecting rod is rotatably connected to the third connecting rod; on the fourth connecting rod, one end of the fourth connecting rod is rotatably connected to the moving seat, the opposite end of this end is rotatably connected to the fifth connecting rod, and between these two ends of it, the fourth connecting rod is rotatably connected to the third connecting rod; one end of the fifth connecting rod is rotatably connected to the bearing seat, and this end of the fifth connecting rod is the end far from the end where the fifth connecting rod and the fourth connecting rod are connected; on the end of the sixth connecting rod far from its connection with the third connecting rod, the sixth connecting rod is rotatably connected to the moving seat.

[0013] Optionally, the first connecting rod is a V-shaped body. The middle part of the first connecting rod is rotatably connected to the bearing seat, one end of the side of the middle part is connected to the driving device, and the other end of the side of the middle part is slidably connected to the second connecting rod.

[0014] The present invention also provides a vehicle, including the driving assembly described in any one of the above.

[0015] Optionally, it further includes a spoiler assembly. The spoiler assembly is arranged on the upper part of the vehicle, and the moving seat is in transmission connection with the spoiler assembly; one end of the driving device is rotatably connected to the multi-link mechanism, and the end of the driving device away from the multi-link mechanism is rotatably arranged on the upper part of the vehicle.

[0016] The present invention also provides a driving assembly, including a multi-link mechanism and a driving device; the driving device includes a connected connecting shell and a linear moving body. The connecting shell is used to rotatably connect a first object, and the linear moving body can move relative to the connecting shell to apply force to the multi-link mechanism;

[0017] The multi-link mechanism includes a bearing seat, a first connecting rod, a second connecting rod, an auxiliary connecting rod group, and a moving seat; the bearing seat is a fixed part, the moving seat is used for transmission connection with a second object, the first connecting rod is rotatably arranged on the bearing seat, and one end of it is rotatably connected to the linear moving body, and one end of it is slidably connected to the second connecting rod; the second connecting rod is in transmission connection with the auxiliary connecting rod group, and the auxiliary connecting rod group is in transmission connection with the moving seat.

[0018] In summary, by designing the first connecting rod, the second connecting rod, and the auxiliary connecting rod group, and correspondingly setting a driving device including a linear moving body, the multi-link mechanism in the driving assembly provided by the present invention can be driven by the driving device with linear motion, thereby expanding the design diversity of the driving assembly and the vehicle.

[0019] The above description is only an overview of the technical solution of the present invention. In order to be able to understand the technical means of the present invention more clearly, it can be implemented according to the content of the description. And in order to make the above and other purposes, features, and advantages of the present invention more obvious and understandable, the following specifically gives preferred embodiments and, in conjunction with the drawings, details are described as follows. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a simplified schematic diagram of one end of the driving device connected to a bracket and the other end connected to an input member in an embodiment of the present invention.

[0021] Figure 2 It is an explosion of the multi-link mechanism in an embodiment of the present invention Figure 1 (For the convenience of illustration, the rotating joints are filled).

[0022] Figure 3 Schematic diagram of the multi-link mechanism in the embodiment of the present invention Figure 1 (For the convenience of illustration, the rotating joints are filled).

[0023] Figure 4 Simplified schematic diagram of the layout scheme of the drive assembly on the vehicle in the embodiment of the present invention

[0024] Figure 5 Schematic diagram of the multi-link mechanism in the embodiment of the present invention Figure 2 (For the convenience of illustration, the rotating joints are filled).

[0025] Figure 6 Schematic diagram of the multi-link mechanism in the embodiment of the present invention Figure 3 (For the convenience of illustration, the rotating joints are filled).

[0026] Figure 7 Explosion diagram of the multi-link mechanism in the embodiment of the present invention Figure 2 .

[0027] Figure 8 Comparison schematic diagram of the multi-link mechanism before and after the rotation of the first link in the embodiment of the present invention Figure 1 .

[0028] Figure 9 Schematic diagram of the movement trajectory of the end of the second link with a rotating joint in the embodiment of the present invention

[0029] Figure 10 Comparison schematic diagram of the multi-link mechanism before and after the rotation of the first link in the embodiment of the present invention Figure 2 .

[0030] Figure 11 Schematic diagram of the attitude change of the end of the second link close to the first link before and after the rotation of the first link in the embodiment of the present invention

[0031] Explanation of reference numerals

[0032] A, B, C, D, E, F, G, H, I - rotating joints; α - bracket

[0033] 1 - connecting housing, 2 - linear moving body, 3 - bearing seat, 4 - first link, 41 - chute, 5 - second link, 6 - moving seat, 7 - input member, 8 - force transmitting member, 81 - rod body, 82 - driven body, 9 - third link, 10 - fourth link, 11 - fifth link, 12 - sixth link Detailed implementation manners

[0034] The specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following embodiments are used to illustrate the present invention, but are not used to limit the scope of the present invention.

[0035] The terms "first", "second", etc. in the specification and claims of the present invention are used to distinguish similar objects and do not necessarily have to describe a specific order or sequence.

[0036] In the description of the present invention, unless otherwise clearly defined and limited, terms such as "arranged", "installed", "connected", "linked" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. In some cases, when expressing that something is fixedly connected to something, the specific connection method may also include an integral connection. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0037] The terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", etc. in the present invention indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the invention product is usually placed during use. It is only for the convenience of description and to simplify the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0038] The term "comprising", "including" or any other variant thereof in the present invention is intended to cover non-exclusive inclusion. In addition to including the listed elements, it may also include other elements not specifically listed.

[0039] In the description of this specification, the description referring to terms such as "one embodiment", "some embodiments", "exemplarily", "specific examples", "optionally", "further", "more detailed description", "preferably", "further provided with", "further includes" or "some examples", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0040] It should be noted that in the description of the present application, the orientation or positional relationship indicated by terms such as "end" is based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the components referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application.

[0041] This embodiment provides a vehicle. At the upper part of the rear end of the vehicle body, there is a spoiler assembly (not shown in the figure) including an electric tail wing (not shown in the figure), and there is also a drive assembly for driving the electric tail wing to change its attitude. Particularly in this embodiment, the drive assembly includes a multi-link mechanism and a drive device. As Figure 1 shown, the drive device includes a connected connection housing 1 and a linear motion body 2. The connection housing 1 is rotatably provided on the upper part of the vehicle (the rotation connection can be seen at the Figure 1 arrow indication). The linear motion body 2 can perform a linear motion relative to the connection housing 1 to apply a force to the multi-link mechanism; as Figure 2 and Figure 3 shown, the multi-link mechanism includes a bearing seat 3, a first link 4, a second link 5, an auxiliary link group, and a motion seat 6. Among them, the bearing seat 3 is used to be fixedly provided on the upper part of the vehicle. The motion seat 6 is in transmission connection with the electric tail wing. The first link 4 is rotatably provided on the bearing seat 3, and one end of the first link 4 is rotatably connected to the linear motion body 2, and one end is slidably connected to the second link 5; in addition, the second link 5 is also in transmission connection with the auxiliary link group, and the auxiliary link group is also in transmission connection with the motion seat 6; the auxiliary link group includes at least one link; the motion seat 6 can be flipped under the drive of the auxiliary link group.

[0042] Based on the above design, it can be seen that since the first link 4 is rotatably provided on the bearing seat 3, the second link 5 is rotatably connected to the first link 4 and is also in transmission connection with the auxiliary link group. The auxiliary link group is also in transmission connection with the motion seat 6, and the motion seat 6 is also in transmission connection with the electric tail wing. Therefore, by reasonably setting the multi-link structure formed among the first link 4, the second link 5, and the auxiliary link group, it can achieve the effect of making the first link 4 rotate under the force applied by the linear motion body 2 and finally driving the electric tail wing to change its attitude. At the same time, since the connection housing 1 is rotatably provided on the vehicle body, the linear motion body 2 can perform a linear motion relative to the connection housing 1, and the linear motion body 2 is rotatably connected to the first link 4. Therefore, while the drive device applies a force to the first link 4 by means of the linear motion body 2, it can also make the connection housing 1 and the linear motion body 2 rotate adaptively through its own rotatable setting to ensure smooth driving of the first link 4 to rotate. In this way, this embodiment provides a drive assembly. The multi-link mechanism in the drive assembly can be connected to the drive device with linear motion, thereby expanding the design diversity of the way to drive the multi-link mechanism and expanding the design diversity of the drive assembly and the vehicle.

[0043] For the above-mentioned vehicle, the following are more detailed exemplary settings:

[0044] Please continue to refer to Figure 1 , in this embodiment, the driving device is exemplarily an electric strut (or electric push rod), the aforementioned linear moving body 2 is the strut body (or push rod body), and the connecting housing 1 is the part of the driving device outside the strut body.

[0045] Please continue to refer to Figure 1 and Figure 2 , in this embodiment, an input member 7 is also fixedly provided on the first link 4, and the input member 7 is a ball head pin member; on the driving device, the linear moving body 2 forms a ball-and-socket type mating connection (this connection method is also called a ball joint) with the input member 7 at one end thereof, and the connecting housing 1 forms a ball-and-socket type mating connection with a bracket α fixed on the upper part of the vehicle; at the same time, the connection between the linear moving body 2 and the input member 7 and the connection between the connecting housing 1 and the bracket α are respectively located at two opposite ends of the driving device.

[0046] Please continue to refer to based on the above settings Figure 3 and Figure 4 (In Figure 4 , the driving assembly is schematically shown by a dotted box, and the left-right direction in the figure is the left-right direction of the vehicle), in this embodiment, two driving assemblies are provided on the upper part of the rear end of the vehicle, one on the left and one on the right. The two driving assemblies are arranged approximately symmetrically between them, and the respective moving seats 6 of the two driving assemblies are respectively connected to the left and right ends of the electric tail wing, and the respective connecting housings 1 are respectively rotatably connected to two brackets α fixed on the upper part of the rear end of the vehicle; the two brackets α are specifically fixed on the vehicle sheet metal (such as the trunk lid assembly); thus, by controlling the two driving assemblies, the attitude transformation of the electric tail wing can be controlled.

[0047] It can be understood that the corresponding relationship between the number of driving assemblies and the electric tail wing can be flexibly designed by those skilled in the art; for example, in a possible embodiment, only one driving assembly can be designed between the electric tail wing and the trunk lid assembly; at this time, the driving assembly can be located on the lower side of the middle of the electric tail wing and connected to the electric tail wing.

[0048] It should also be noted that the aforementioned bracket α shown in the attached drawings of this case and the moving seat 6 in the drive assembly for connecting with the electric tail wing are only simple illustrations; there is a relationship of mutual influence between the specific structures of the bracket α and the moving seat 6. At the same time, the specific structure of the moving seat 6 is also affected by the specific structure of the electric tail wing, and the specific structure of the bracket α is also affected by the vehicle structure near the electric tail wing; therefore, the specific structures of the bracket α and the moving seat 6 are not restricted and elaborated in detail in this case. For those skilled in the art, on the premise that the driving device is rotatably arranged on the upper part of the vehicle to ensure that the linear moving body 2 can smoothly drive the first connecting rod 4 to rotate, and on the premise that the functions of the bracket α and the moving seat 6 in the vehicle have been clarified above, those skilled in the art are capable of flexibly designing the specific configurations of the bracket α and the moving seat 6 according to needs. In addition, in possible embodiments, the fixed setting of the bracket α is not necessarily fixed on the trunk lid assembly; for example, when the electric tail wing includes a movable tail wing body part and a fixed part fixed on the upper part of the vehicle, the aforementioned moving seat 6 should be connected to the tail wing body part, and the bracket α and the aforementioned bearing seat 3 can be fixed on this fixed part.

[0049] Please continue to refer to Figure 3 and Figure 5 , regarding Figure 3 which represents the drive assembly located on the right side of the vehicle. Taking the drive assembly located on the right side of the vehicle as an example, the bearing seat 3 of this embodiment is a special-shaped body, the first connecting rod 4 is a V-shaped body, the middle part of the first connecting rod 4 is rotatably connected to the bearing seat 3, the left end of the first connecting rod 4 is connected to the driving device by means of the input member 7, and the right end of the first connecting rod 4 is slidably connected to the second connecting rod 5. To achieve the slidable connection between the aforementioned first connecting rod 4 and the second connecting rod 5, as Figure 6 and Figure 7 shown, a chute 41 is provided on the first connecting rod 4, and a force transmission member 8 is provided on the second connecting rod 5. The force transmission member 8 includes a rod body 81 fixedly connected to the second connecting rod 5 and a driven body 82 connected to the rod body 81. One end of the rod body 81 is fixedly connected to the second connecting rod 5, and a ball-and-socket type mating connection is formed between the other end of the rod body 81 and the driven body 82, so that the driven body 82 can move in a universal manner relative to the rod body 81; at the same time, the driven body 82 extends into the chute 41 and is in clearance fit with the chute 41, thereby realizing the slidable connection between the first connecting rod 4 and the second connecting rod 5. In the front-rear direction, the driven body 82 also forms a clamping connection with the first connecting rod 4.

[0050] As described above, based on the ball-and-socket connection formed between the rod body 81 and the driven body 82, it can be seen that in this way, based on the fact that the driven body 82 is slidably connected to the chute 41 and forms a clamping relationship with the first link 4, when the first link 4 rotates, the chute 41 rotates with the rotation of the first link 4, and the driven body 82 also moves adaptively in the chute 41 and moves relative to the rod body 81. In this embodiment, the design of the ball-and-socket connection between the driven body 82 and the rod body 81 is determined based on the relationship between the various links in the multi-link mechanism of this embodiment; before further describing this design in detail, it is necessary to first introduce the detailed structures of the other links in this embodiment except the first link 4, as follows:

[0051] Please turn back to refer to Figure 2 and Figure 3 , in addition to the first link 4 and the second link 5, the auxiliary link group of the multi-link mechanism further includes four links, namely the third link 9, the fourth link 10, the fifth link 11 and the sixth link 12. Regarding Figure 3 the attitude of the multi-link mechanism in is its initial attitude. In Figure 3 the attitude of the drive assembly shown, a foregoing force transmission member 8 is provided at the lower end of the second link 5, and the second link 5 has a trend of first folding forward from its lower end and then obliquely extending right forward and upward; the third link 9 has a trend of extending backward and downward from its front end for a certain distance and then extending backward and upward for a certain distance. The front end of the third link 9 is rotatably connected to the upper right part of the bearing seat 3, and the third link 9 is rotatably connected to the upper end of the second link 5 at the rear side of its front end, rotatably connected to the fourth link 10 at the rear side of its connection with the second link 5, and rotatably connected to the sixth link 12 at the further rear side (also at its rear end) of its connection with the fourth link 10.

[0052] As described above, the fourth link 10 has a trend of extending backward and downward from its front end. The fourth link 10 is rotatably connected to the front end of the moving seat 6 at its front end, rotatably connected to the third link 9 at its middle part as described above, and rotatably connected to the rear end of the fifth link 11 at its rear end; the fifth link 11 has a trend of extending basically in the front-rear direction, and its front end is rotatably connected to the lower right part of the bearing seat 3; the sixth link 12 has a trend of extending left backward and downward from its front end, and its front end is rotatably connected to the rear end of the moving seat 6, and its rear end is rotatably connected to the rear end of the third link 9 as described above.

[0053] Furthermore, the drive assembly further includes a total of nine rotating joints, namely rotating joint A, rotating joint B, rotating joint C, rotating joint D, rotating joint E, rotating joint F, rotating joint G, rotating joint H, and rotating joint I. These nine rotating joints are used to construct the foregoing rotatable connection (or hinge) relationship between the various links in the multi-link mechanism to achieve the transmission between the links.

[0054] Please continue to refer to Figure 3 and Figure 2 (For the convenience of illustration, Figure 2 the corresponding relationships between the respective rotating joints and their assembly locations are represented by dashed lines in the figure). In this embodiment, the rotating joint A is fixed on the bearing seat 3 and is rotatably connected to the first connecting rod 4; the rotating joint B is fixed on the third connecting rod 9 and is rotatably connected to the second connecting rod 5; the rotating joint C is fixed on the bearing seat 3 and is rotatably connected to the third connecting rod 9; the rotating joint D is fixed on the fourth connecting rod 10 and is rotatably connected to the third connecting rod 9; the rotating joint E is fixed on the sixth connecting rod 12 and is rotatably connected to the third connecting rod 9; the rotating joint F is rotatably connected to the bearing seat 3 and is fixedly connected to the fifth connecting rod 11; the rotating joint G is rotatably connected to the fourth connecting rod 10 and is fixedly connected to the fifth connecting rod 11; the rotating joint H is rotatably connected to the fourth connecting rod 10 and is fixedly connected to the moving seat 6; the rotating joint I is rotatably connected to the sixth connecting rod 12 and is fixedly connected to the moving seat 6.

[0055] As can be seen from the above, when the first connecting rod 4 is subjected to a thrust force, for example, when the driving device pushes the input member 7 from left to right, as Figure 8 shown, the first connecting rod 4 will rotate around the rotating joint A as the rotation center, and then drive the second connecting rod 5 to push the third connecting rod 9 to rotate around the rotating joint C as the rotation center, so that the fourth connecting rod 10 rotates under the constraint of the fifth connecting rod 11, and the sixth connecting rod 12 rotates, ultimately causing the moving seat 6 to move up and down and flip. At the same time, during the rotation of the first connecting rod 4, the driving device also makes an adaptive rotation by virtue of its rotatable setting to ensure that the linear motion body 2( Figure 8 (not shown) can smoothly drive the first connecting rod 4.

[0056] Please continue to refer to Figure 8 and Figure 9 , it can be understood that during the rotation of the above-mentioned respective connecting rods, the end of the second connecting rod 5 where the rotating joint B is installed has a movement path that partially coincides with Figure 9 the partial circular contour of the center dash line. Based on this and in combination with the aforementioned "the second connecting rod 5 has a trend of first folding forward from its lower end and then extending obliquely upward to the right front", as Figure 10 and Figure 11 shown, during the process of the third connecting rod 9 rotating upward around the rotating joint C under the push of the second connecting rod 5, naturally, the end of the second connecting rod 5 where the driven body 82 is provided will deflect relative to the first connecting rod 4 (please refer to Figure 11 the changes indicated by the two dashed arrows in the figure). It should be noted that in order to highlight the attitude changes of the respective connecting rods in the multi-link mechanism before and after the rotation of the first connecting rod 4, this article specifically shows in Figure 10In the figure, the centers of the respective rotational joints C of the two multi-link mechanisms (representing before and after rotation, respectively) are connected by a dot-dash line to indicate that the two rotational joints C are at the same height for easy comparison.

[0057] Please refer back to Figure 7 , with regard to the description in this embodiment that "the design of the ball-head ball-socket type fitting connection between the driven body 82 and the rod body 81 is based on the relationship between the links in the multi-link mechanism in this embodiment", a more detailed explanation is: the design of the ball-head ball-socket type fitting connection between the driven body 82 and the rod body 81 is mainly to make the driven body 82 deflect relative to the rod body 81 when the second link 5 deflects relative to the first link 4, thereby preventing the first link 4 and the second link 5 from getting stuck, ensuring that the rotation of the first link 4 can be converted into the sliding of the force transmission member 8 relative to the first link 4, and the sliding of the force transmission member 8 can be converted into the rotation of the second link 5. In other words, this design is to ensure the smoothness of force transmission.

[0058] Based on the above, the reason why the second link 5 deflects relative to the first link 4 during the posture change of the multi-link mechanism is largely determined by its own shape and the shape of the third link 9; since the shape of each link in the multi-link mechanism is largely determined according to the expected movement stroke of the electric rear wing to be driven by the drive assembly, it can be understood that in possible embodiments, depending on the specific structure of the multi-link mechanism, the rod body 81 and the driven body 82 do not necessarily have to be set as a ball head and ball socket type matching structure, or do not necessarily have to be set as a structure that can move relative to each other.

[0059] In addition, the design of the ball-head ball-socket fitting connection between the driven body 82 and the rod body 81 (i.e., the driven body 82 can move universally relative to the rod body 81) can also prevent the first connecting rod 4 and the second connecting rod 5 from being stuck due to production and / or assembly errors in the multi-link mechanism. Specifically, since the driven body 82 can move relative to the rod body 81, if there is a force transmission error between the first connecting rod 4 and the second connecting rod 5 due to production and / or assembly errors, it can be understood that the relative movement between the driven body 82 and the rod body 81 can offset the corresponding stuck force (or stress), thereby ensuring smooth force transmission between the first connecting rod 4 and the second connecting rod 5. It can also be understood that those skilled in the art can only set the driven body 82 to be movable relative to the rod body 81 based on the prevention of "the first connecting rod 4 and the second connecting rod 5 being stuck due to production and / or assembly errors in the multi-link mechanism".

[0060] It is understandable that in a possible embodiment, the relationship between the second connecting rod 5, the rod body 81, and the driven body 82 can also be: the rod body 81 is fixedly connected to the driven body 82; the driven body 82 extends into the slide groove 41 and is slidably connected to the slide groove 41; the rod body 81 and the second connecting rod 5 are not fixedly connected, but the connecting part of the rod body 81 and the second connecting rod 5 forms a ball head and ball socket type fitting connection, so that the force transmission member 8 can move relative to the second connecting rod 5. In this way, the above-mentioned effect of ensuring smooth force transmission between the first connecting rod 4 and the second connecting rod 5 can also be achieved.

[0061] Please refer back to Figure 3 As can be seen from the figure, the right end of the first connecting rod 4 is above the bearing seat 3; in a possible embodiment, a buffer member (such as a rubber pad, not shown in the figure) can be provided between the first connecting rod 4 and the bearing seat 3, and the buffer member can be fixed on the bearing seat 3 to reduce possible collisions between the first connecting rod 4 and the bearing seat 3.

[0062] From the above, it can be seen that the present invention actually provides a driving assembly, which is not limited to driving the electric rear wing to flip, and can expand the design diversity of driving multi-link mechanisms; for example, when the spoiler assembly includes a front spoiler of the vehicle, a driving assembly can be set corresponding to the front spoiler; at this time, the driving assembly is used to drive the front spoiler to change its posture. For another example, the driving assembly provided in this embodiment can be used to drive any object that needs to flip to change its posture. Based on this, the vehicle part that is rotatably connected to the connecting shell 1 in the present invention can actually be regarded as a first object, and the electric rear wing connected to the moving seat 6 can actually be regarded as a second object; therefore, the design principles of the driving assembly are as follows:

[0063] The driving assembly includes a multi-link mechanism and a driving device; the driving device includes a connecting housing 1 and a linear motion body 2 connected to each other, the connecting housing 1 is used to rotatably connect the first object, and the linear motion body 2 can move relative to the connecting housing 1 to apply force to the multi-link mechanism;

[0064] The multi-link mechanism includes a bearing seat 3, a first link 4, a second link 5, an auxiliary link group, and a moving seat 6; wherein the bearing seat 3 is a fixedly arranged portion, the moving seat 6 is used for fixed connection with a second object, the first link 4 is rotatably arranged on the bearing seat 3, and has one end rotatably connected to the linear motion body 2, and has one end slidably connected to the second link 5; the second link 5 is transmission-connected to the auxiliary link group, and the auxiliary link group is transmission-connected to the moving seat 6.

[0065] It can be understood that since the drive assembly has multiple application scenarios, the number of linkages in the auxiliary linkage group in the present invention can be flexibly determined by those skilled in the art according to the application of the drive assembly (for example, when used to drive an electric tail wing / front spoiler, the expected movement stroke of the electric tail wing / front spoiler). In a possible embodiment, the auxiliary linkage group may only include the third linkage 9; for example, if it meets the expected movement stroke of the electric tail wing, based on the structure shown in Figure 3 , the settings of the fourth linkage 10, the fifth linkage 11, and the sixth linkage 12 can be cancelled, and the end of the third linkage 9 away from the rotating joint C is connected to the moving seat 6 by means of the rotating joint E.

[0066] In summary, by designing the first linkage 4, the second linkage 5, and the auxiliary linkage group, and correspondingly setting the drive device including the linear motion body 2, the multi-link mechanism in the drive assembly provided by the present invention can be driven by the linear motion drive device, thereby expanding the design diversity of the drive assembly and the vehicle.

[0067] The above are only the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of changes or substitutions, which should all be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. A drive assembly, characterized in that, It includes a multi-link mechanism and a driving device; the driving device includes a connected connecting housing (1) and a linear moving body (2), the connecting housing (1) is used to be rotatably arranged on the upper part of the vehicle, and the linear moving body (2) can move linearly relative to the connecting housing (1) to apply force to the multi-link mechanism; The multi-link mechanism includes a bearing seat (3), a first link (4), a second link (5), an auxiliary link group and a moving seat (6); the bearing seat (3) is used to be fixedly arranged on the upper part of the vehicle, the moving seat (6) is used to be in transmission connection with a spoiler assembly located on the upper part of the vehicle, the first link (4) is rotatably arranged on the bearing seat (3), and one end of the first link (4) is rotatably connected to the linear moving body (2), and one end is slidably connected to the second link (5); the second link (5) is in transmission connection with the auxiliary link group, and the auxiliary link group is in transmission connection with the moving seat (6); the auxiliary link group includes at least one link; the moving seat (6) can be driven by the auxiliary link group to flip.

2. The drive assembly according to claim 1, characterized in that, An input member (7) is fixedly arranged on the first link (4), and one end of the linear moving body (2) and the input member (7) form a ball-and-socket joint connection; the connecting housing (1) is used to form a ball-and-socket joint connection with the upper part of the vehicle; at the connection between the linear moving body (2) and the input member (7), and at the connection between the connecting housing (1) and the upper part of the vehicle, these two are respectively located at two opposite ends of the driving device.

3. The drive assembly according to claim 1, characterized in that, A chute (41) is provided on the first link (4), and a force transmission member (8) is provided on the second link (5); the force transmission member (8) includes a rod body (81) fixedly connected to the second link (5) and a driven body (82) connected to the rod body (81); the driven body (82) extends into the chute (41) and is slidably connected to the chute (41), and can adaptively move in the chute (41) as the first link (4) rotates; a ball-and-socket joint connection is formed at the connection between the rod body (81) and the driven body (82) so that the driven body (82) can move relative to the rod body (81).

4. The drive assembly according to claim 1, characterized in that, A chute (41) is provided on the first link (4), and a force transmission member (8) is provided on the second link (5); the force transmission member (8) includes a rod body (81) connected to the second link (5) and a driven body (82) fixedly connected to the rod body (81); the driven body (82) extends into the chute (41) and is slidably connected to the chute (41), and can adaptively move in the chute (41) as the first link (4) rotates; a ball-and-socket joint connection is formed at the connection between the rod body (81) and the second link (5) so that the force transmission member (8) can move relative to the second link (5).

5. The drive assembly according to claim 1, characterized in that, The first connecting rod (4) and the second connecting rod (5) are slidably connected; the auxiliary connecting rod group includes a connecting rod in number, one end of the connecting rod and the opposite end of the connecting rod are rotatably connected to the bearing seat (3) and the moving seat (6) respectively; between the two ends of the connecting rod, the second connecting rod (5) is rotatably connected to the connecting rod.

6. The drive assembly according to claim 1, characterized in that, The auxiliary connecting rod group comprises a third connecting rod (9), a fourth connecting rod (10), a fifth connecting rod (11) and a sixth connecting rod (12); the first connecting rod (4) and the second connecting rod (5) are slidably connected, and one end of the third connecting rod (9) and the opposite end thereof are rotatably connected to the bearing seat (3) and the sixth connecting rod (12) respectively; Between one end of the third connecting rod (9) and the opposite end of the end, the second connecting rod (5) is rotatably connected to the third connecting rod (9), and the fourth connecting rod (10) is rotatably connected to the third connecting rod (9); on the fourth connecting rod (10), the fourth connecting rod (10) is rotatably connected to the moving seat (6) at one end thereof, is rotatably connected to the fifth connecting rod (11) at the opposite end thereof, and is rotatably connected to the third connecting rod (9) between these two ends; the fifth connecting rod (11) is rotatably connected to the support seat (3) at one end thereof, and this end of the fifth connecting rod (11) is the end away from the end where the fifth connecting rod (11) and the fourth connecting rod (10) are connected; at the end of the sixth connecting rod (12) away from the connection between it and the third connecting rod (9), the sixth connecting rod (12) is rotatably connected to the moving seat (6).

7. The drive assembly according to claim 6, characterized in that, The first connecting rod (4) is a V-shaped body. The first connecting rod (4) is rotatably connected to the support seat (3) at its center, connected to the driving device at one end of its center side, and slidably connected to the second connecting rod (5) at the other end of its center side.

8. A vehicle, characterized in that, Comprising a drive assembly as described in any one of claims 1-7.

9. The vehicle according to claim 8, characterized in that, It also includes a spoiler assembly, which is arranged on the upper part of the vehicle, and the moving seat (6) is drivingly connected to the spoiler assembly; one end of the driving device is rotatably connected to the multi-link mechanism, and one end of the driving device away from the multi-link mechanism is rotatably arranged on the upper part of the vehicle.

10. A drive assembly, characterized in that, It comprises a multi-link mechanism and a driving device; the driving device comprises a connected connecting shell (1) and a linear motion body (2), the connecting shell (1) is used to rotatably connect a first object, and the linear motion body (2) can move relative to the connecting shell (1) to apply force to the multi-link mechanism; The multi-link mechanism includes a bearing seat (3), a first link (4), a second link (5), an auxiliary link group, and a moving seat (6); the bearing seat (3) is a fixed part, the moving seat (6) is used for driving connection with a second object, the first link (4) is rotatably arranged on the bearing seat (3), and one end of the first link is rotatably connected with the linear moving body (2), and the other end of the first link is slidably connected with the second link (5); the second link (5) is drivingly connected with the auxiliary link group, and the auxiliary link group is drivingly connected with the moving seat (6).

Images