Crumple assembly, screen turnover device and vehicle

Abstract

The utility model provides a crumple assembly, a screen turnover device and a vehicle, the crumple assembly comprises a transmission piece, a first transmission wheel and a first elastic piece, and the wheel axis of the first transmission wheel coincides with the transmission axis of the transmission piece; the first elastic piece is connected to the transmission piece and elastically abuts against the wheel face of the first transmission wheel. A user can change the pressure applied to the first transmission wheel by the first elastic piece by changing the position, length or form of the first elastic piece, so that the friction force between the first elastic piece and the first transmission wheel is adjusted, and the applicability is high. The screen turnover device comprises a shell, a screen mechanism and a driving mechanism. The screen mechanism is rotationally connected to the shell; the driving mechanism comprises a driving part and the crumple assembly which are both connected to the shell, and the driving part can drive the crumple assembly to rotate around the wheel axis of the first transmission wheel so that the crumple assembly can drive the supporting base to rotate relative to the shell. The screen turnover device can prevent the driving piece from being damaged.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicles, and in particular relates to a collapse component, a screen flip device and a vehicle. Background Art

[0002] With the rapid development of new energy vehicles, screens are increasingly being installed in vehicles. Currently, most screens on the market are fixed or rotated on the roof of the vehicle. However, these screens are prone to mechanical damage due to passengers abusing the rotation function. Utility Model Content

[0003] The purpose of the present utility model is to provide a collapse assembly, a screen flip device and a vehicle, aiming to solve the technical problem in the prior art that the screen flip device is prone to mechanical damage.

[0004] The present invention is implemented as follows: in a first aspect, a collapse assembly is provided, comprising a transmission member, a first transmission wheel and a first elastic member, wherein the wheel axis of the first transmission wheel coincides with the transmission axis of the transmission member; the first elastic member is connected to the transmission member and elastically rests against the wheel surface of the first transmission wheel.

[0005] As one implementation of the first aspect, the transmission member includes a second transmission wheel and a transmission shaft connected to the second transmission wheel, the first elastic member is connected to the transmission shaft, the wheel axis of the first transmission wheel, the wheel axis of the second transmission wheel and the central axis of the transmission shaft coincide with each other, and the first transmission wheel is rotatably connected to the transmission shaft.

[0006] As one of the implementation methods of the first aspect, the first elastic member includes a sleeve sleeved on the transmission shaft, a spring sleeved on the sleeve, and a first friction plate slidably connected to the sleeve along the axial direction of the transmission shaft, and the first friction plate abuts against the first transmission wheel.

[0007] As one of the implementation methods of the first aspect, the sleeve is slidably connected to the transmission shaft along the axial direction of the transmission shaft, and the collapse assembly also includes a limiter connected to the transmission shaft, the limiter is located on the side of the sleeve facing away from the first transmission wheel, and is used to limit the compression length of the spring.

[0008] As one of the implementation methods of the first aspect, the first transmission wheel includes a driven gear, a limiting sleeve and a second friction plate, the limiting sleeve is connected to the wheel surface of the driven gear facing the first elastic member, the second friction plate is slidably connected to the limiting sleeve along the axial direction of the transmission shaft, and the first friction plate abuts against the second friction plate.

[0009] As one implementation of the first aspect, a plurality of the first friction plates and a plurality of the second friction plates are provided, and the plurality of the first friction plates and the plurality of the second friction plates are alternately arranged along the axial direction of the transmission shaft.

[0010] The technical effect of the present crush assembly compared to the prior art is as follows: since the first elastic member elastically abuts against the first transmission wheel, the first elastic member can apply pressure to the first transmission wheel; when the crush assembly is driven to rotate, the first elastic member and the first transmission wheel can achieve synchronous rotation through the friction between the two; when the external force in the rotation direction applied to the transmission member or the first transmission wheel is greater than the friction between the first elastic member and the first transmission wheel, the first elastic member and the first transmission wheel rotate relative to each other; the user can change the pressure applied by the first elastic member to the first transmission wheel by changing the position, length or shape of the first elastic member, thereby achieving adjustment of the friction between the first elastic member and the first transmission wheel, and has strong applicability.

[0011] In a second aspect, a screen flipping device is provided, comprising a shell, a screen mechanism and a driving mechanism, wherein the screen mechanism is rotatably connected to the shell, and the driving mechanism comprises a driving member and a crush assembly as described in the above embodiments, wherein both the driving member and the crush assembly are connected to the shell, and one of the first transmission wheel and the transmission member is transmission-connected to the screen mechanism, and the other is transmission-connected to the driving member, and the driving member can drive the crush assembly to rotate around the wheel axis of the first transmission wheel, so that the crush assembly drives the screen mechanism to rotate relative to the shell.

[0012] As one of the implementation methods of the second aspect, the screen flipping device also includes a damping mechanism, which includes a damping base arranged on the shell and a damping assembly arranged on the screen mechanism, the damping base is provided with a damping groove, the bottom surface of the damping groove is an arc surface extending circumferentially along the rotation axis of the screen mechanism, the damping assembly includes a limit block connected to the screen mechanism and a second elastic member connected to the limit block, the limit block is slidably connected to the damping groove, and the second elastic member elastically rests against the bottom surface of the damping groove.

[0013] As one implementation of the second aspect, the second elastic member is in the shape of a spring sheet and includes a first U-shaped portion, a second U-shaped portion and a connecting portion connected between the first U-shaped portion and the second U-shaped portion, the connecting portion is connected to the limit block, the bottom of the back opening of the first U-shaped portion and the bottom of the back opening of the second U-shaped portion both elastically rest against the bottom surface of the damping groove, and the first U-shaped portion and the second U-shaped portion are arranged along the extension direction of the damping groove.

[0014] As one of the implementation methods of the second aspect, the shell includes a bottom shell, two side shells and two wear-resistant parts. The two side shells are connected to the bottom shell and are arranged at intervals. One of the wear-resistant parts is connected to each of the two side shells. The wear-resistant parts are formed with an arc-shaped groove. The arc axis corresponding to the arc-shaped groove coincides with the rotation axis of the screen mechanism. The screen mechanism is located between the two side shells, and the two ends of the screen mechanism are respectively slidably connected to the arc-shaped groove of one of the wear-resistant parts.

[0015] The technical effect of the screen flipping device compared to the prior art is as follows: when the screen mechanism is not subjected to external force or the external force it is subjected to is smaller than the friction force between the first elastic member and the first transmission wheel, the first elastic member and the first transmission wheel can rotate synchronously, and the driving member can drive the collapse assembly to rotate, thereby driving the screen mechanism to rotate relative to the shell; when the external force applied to the screen mechanism is greater than the friction force between the first elastic member and the first transmission wheel, the screen mechanism rotates under the action of the external force, and the first elastic member and the second elastic member rotate relative to each other, thereby preventing excessive external force from being transmitted to the driving member, thereby preventing the driving member from being damaged when the screen mechanism is dragged by external force, thereby increasing the service life of the driving member and reducing maintenance costs.

[0016] In a third aspect, a vehicle is provided, comprising a vehicle body and the screen flipping device provided in the above embodiments, wherein the shell is connected to the vehicle body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments of the present invention or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a three-dimensional structural diagram of a screen flip device provided by an embodiment of the present invention, wherein the screen body is not shown;

[0019] Figure 2 This is a three-dimensional structural diagram of a collapse assembly provided by an embodiment of the present utility model;

[0020] Figure 3 yes Figure 2 Exploded diagram of the collapsed component in ;

[0021] Figure 4 This is a partial enlarged view of the screen flip device provided by an embodiment of the present invention, wherein the support base is not shown;

[0022] Figure 5 It is an exploded view of the damping mechanism provided by an embodiment of the present utility model;

[0023] Figure 6 yes Figure 1 A partial exploded view of the screen flip device.

[0024] Description of reference numerals:

[0025] 10. Housing; 11. Bottom housing; 12. Side housing; 121. Connecting groove; 13. Wear-resistant part; 131. Main body; 132. Sliding part; 1301. Arc-shaped slide groove; 20. Driving mechanism; 21. Driving member; 211. Driving shaft; 212. Driving gear; 22. Collapse assembly; 221. Transmission member; 2211. Second transmission wheel; 2212. Transmission shaft; 22121. Section; 222. First elastic member; 2221. Bushing; 22211. First protrusion; 2222. Spring; 2223. First friction plate; 22231. First groove; 223. First transmission wheel; 2231, driven gear; 2232, limiting sleeve; 22321, second groove; 2233, second friction plate; 22331, second protrusion; 224, limiting member; 2251, first mounting seat; 2252, second mounting seat; 30, screen mechanism; 31, supporting seat; 40, damping mechanism; 41, damping base; 42, damping assembly; 421, limiting member; 4211, positioning column; 422, second elastic member; 4220, positioning groove; 4221, first U-shaped portion; 4222, second U-shaped portion; 4223, connecting portion; 43, screw. DETAILED DESCRIPTION

[0026] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0027] In the description of the present invention, it should be understood that the terms "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0029] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0030] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0031] An embodiment of the present invention provides a vehicle, which includes a vehicle body and a screen flipping device. The screen flipping device can be arranged in the vehicle body. Specifically, the screen flipping device can be arranged in the armrest area of the vehicle body.

[0032] The screen flip device includes a housing, a screen mechanism, and a drive mechanism. The housing is connected to the armrest area of the vehicle body. The screen mechanism is rotatably connected to the housing and is used for displaying images and touchscreen operations. The drive mechanism is connected to the housing and is used to drive the screen mechanism to rotate relative to the housing. The housing is provided with a damping groove, and the support seat is slidably connected to the damping groove to achieve position limiting in the direction of the rotation axis. Damping material is provided at both ends of the damping groove to apply a damping force to the screen body when it is rotated to the open position or the stowed position, thereby preventing the screen body from being bumped when rotating to the open position or the stowed position.

[0033] However, because the armrest area inside the vehicle body is close to the user and easily accessible, and other central control structures in the armrest area are also used frequently, the screen mechanism of the screen flip device located in the armrest area is easily accidentally bumped by the user or dragged toward the screen body due to abuse of the screen body, causing damage to the drive mechanism. In addition, due to processing errors and wear and tear at the connection between the screen mechanism and the shell after long-term use, when the vehicle passes through bumpy roads, the screen mechanism is prone to vibrate relative to the shell, producing abnormal noise. At the same time, because the middle section of the damping groove is not provided with damping material, the screen body may accelerate due to its own gravity when it rotates to the middle section of the damping groove, causing the support seat to vibrate relative to the damping groove due to the mismatch between the external force and the rotation acceleration.

[0034] In order to solve the above problems, an embodiment of the present invention provides a screen flip device, the purpose of which is to reduce mechanical damage, increase service life, and avoid abnormal noise when the vehicle passes through bumpy roads.

[0035] See also Figure 1 and Figure 2 The screen flipping mechanism includes a shell 10 , a screen mechanism 30 and a driving mechanism 20 .

[0036] The housing 10 is connected to the vehicle body, specifically to the armrest area of the vehicle body. The housing 10 can be hidden inside the armrest area to improve the aesthetics and reduce the occupation of the operating space in the vehicle body.

[0037] The screen mechanism 30 includes a support base 31 and a screen body. The support base 31 is rotatably connected to the housing 10. The support base 31 can rotate about a physical axis or a virtual axis, without limitation. The screen body is connected to the support base 31 and is used to display images. In some embodiments, the screen body can also be used for touch control.

[0038] The screen body has a storage position that is snapped into the shell 10 and an open position facing the user. The drive mechanism 20 can switch the screen body between the storage position and the open position by driving the support seat 31 to rotate. When the user needs to watch or use the screen body, the screen body can be switched to the open position. When the user does not need to watch or use the screen body, the screen body can be switched to the storage position to save space or protect the screen body from damage. The drive mechanism 20 can be electrically connected to the central control system on the vehicle body. The user controls the operation of the drive mechanism 20 by inputting instructions to the central control system. The drive mechanism 20 can also be connected to a mechanical structure such as a button, a sliding part or an operating lever. The user controls the operation of the drive mechanism 20 by operating the mechanical structure.

[0039] The drive mechanism 20 includes a driver 21 and a crush assembly 22, both of which are connected to the housing 10. The driver 21 is transmission-connected to the crush assembly 22, which in turn is transmission-connected to the support base 31. These transmission connections may be achieved through gear assemblies, belts, chains, connecting rods, or the like. The driver 21, which can be powered by a motor or other device, can drive the support base 31 to rotate via the crush assembly 22.

[0040] The embodiment of the present application also provides a crush assembly 22, which includes a transmission member 221, a first elastic member 222 and a first transmission wheel 223. The first elastic member 222 is connected to the transmission member 221 and elastically rests on the wheel surface of the first transmission wheel 223. The wheel surface of the first transmission wheel 223 is a surface on the first transmission wheel 223 that is perpendicular to the rotation axis of the first transmission wheel 223. The rotation axis of the transmission member 221 coincides with the rotation axis of the first transmission wheel 223. One of the first transmission wheel 223 and the transmission member 221 is transmission-connected to the support seat 31, and the other is transmission-connected to the driving member 21. That is to say, the transmission member 221 can be transmission-connected to the support seat 31 and the first transmission wheel 223 can be transmission-connected to the driving member 21, or the transmission member 221 can be transmission-connected to the driving member 21, and the first transmission wheel 223 can be transmission-connected to the support seat 31. The driving member 21 can drive the crush assembly 22 to rotate around the central axis of the first transmission wheel 223 , so that the crush assembly 22 drives the support base 31 to rotate relative to the housing 10 .

[0041] Since the first elastic member 222 elastically abuts against the first transmission wheel 223, the first elastic member 222 can apply pressure to the first transmission wheel 223. When the crush assembly 22 is driven to rotate, the first elastic member 222 and the first transmission wheel 223 can achieve synchronous rotation due to the friction between the two, so that the crush assembly 22 can drive the support base 31 to rotate relative to the housing 10. When the screen mechanism 30 is subjected to an external force that is greater than the friction between the first elastic member 222 and the first transmission wheel 223, the external force in the rotation direction applied to the transmission member 221 or the first transmission wheel 223 is also greater than the friction between the first elastic member 222 and the first transmission wheel 223, and the first elastic member 222 and the first transmission wheel 223 rotate relative to each other. At this time, the screen mechanism 30 rotates under the action of the external force. The user can change the pressure applied by the first elastic member 222 on the first transmission wheel 223 by changing the position, length or shape of the first elastic member 222, thereby adjusting the friction between the first elastic member 222 and the first transmission wheel 223, which has strong applicability. The screen flipping device prevents excessive external force from being transmitted to the driving mechanism 20 by relative rotation between the first elastic member 222 and the first transmission wheel 223, thereby preventing the driving mechanism 20 from being mechanically damaged when the screen mechanism 30 is dragged by external force, thereby increasing the service life of the driving mechanism 20 and reducing maintenance costs.

[0042] In some embodiments, see Figure 2 and Figure 3 The transmission member 221 includes a second transmission wheel 2211 and a transmission shaft 2212 transmission-connected to the second transmission wheel 2211. The first elastic member 222 is connected to the transmission shaft 2212. The first transmission wheel 223 is rotationally connected to the transmission shaft 2212. The driving member 21 is transmission-connected to the first transmission wheel 223, and the second transmission wheel 2211 is transmission-connected to the support base 31. The driving member 21 drives the first transmission wheel 223 to rotate, thereby driving the transmission shaft 2212 to rotate. The transmission shaft 2212 drives the first elastic member 222 to rotate. The rotational connection between the first transmission wheel 223 and the transmission shaft 2212 improves the connection reliability of the crush assembly 22 and the reliability of the abutment between the first elastic member 222 and the first transmission wheel 223. At the same time, it ensures that the wheel axis of the first transmission wheel 223 coincides with the central axis of the transmission shaft 2212, thereby preventing the first elastic member 222 and the first transmission wheel 223 from misaligning during relative rotation.

[0043] Optionally, the crush assembly 22 further includes a first mounting seat 2251 and a second mounting seat 2252 both connected to the housing 10, and the ends of the transmission shaft 2212 are rotatably connected to the first mounting seat 2251 and the second mounting seat 2252. In this way, a stable connection between the crush assembly 22 and the housing 10 can be achieved.

[0044] Optionally, the second transmission wheel 2211 is sleeved on the transmission shaft 2212 and rotates synchronously with the transmission shaft 2212, wherein the second transmission wheel 2211 can be fixedly connected to the transmission shaft 2212 or formed as one piece, and the relative rotation between the second transmission wheel 2211 and the transmission shaft 2212 can also be limited by a limiting structure.

[0045] Optionally, the second transmission wheel 2211 may be gear-shaped, and a rack may be provided at the bottom of the support seat 31 . The second transmission wheel 2211 is meshed with the rack to achieve a transmission connection with the support seat 31 .

[0046] In other embodiments, the transmission shaft 2212 may also be in the shape of a worm, and the second transmission wheel 2211 is meshed with the transmission shaft 2212 , which is not limited here.

[0047] In some embodiments, see Figure 2 and Figure 3 The first elastic member 222 includes a sleeve 2221, a spring 2222, and a first friction plate 2223. The sleeve 2221 is sleeved on the transmission shaft 2212, and the spring 2222 is sleeved on the sleeve 2221. The first friction plate 2223 is slidably connected to the sleeve 2221 along the axial direction of the transmission shaft 2212 and is located on the side of the spring 2222 facing the first transmission shaft 2212. The first friction plate 2223 abuts against the first transmission wheel 223. The spring 2222 may be connected to the sleeve 2221 at one end and to the first friction plate 2223 at the other end. This allows the first elastic member 222 to elastically abut against the first transmission wheel 223 via the first friction plate 2223. The first friction plate 2223 increases the friction area between the first elastic member 222 and the first transmission wheel 223. The first friction plate 2223 may be made of a wear-resistant material, such as plastic. Spring 2222 is compressed, and the amount of compression is proportional to the elastic force exerted by the first elastic member 222 on the first transmission wheel 223. The elastic force of the first elastic member 222 can be adjusted by adjusting the position of the sleeve 2221 on the transmission shaft 2212 or the connection position of the spring 2222 on the sleeve 2221. If the first friction plate 2223 is excessively worn, only the first friction plate 2223 can be replaced, rather than the entire transmission member 221, reducing maintenance costs. The transmission shaft 2212 may be provided with a cut surface 22121, and the sleeve 2221 is fitted onto the cut surface 22121 of the transmission shaft 2212 to achieve synchronous rotation with the transmission shaft 2212.

[0048] It should be noted that the spring 2222 can also be replaced by a structural member with elastic properties such as a spring sheet or a rubber member. The spring 2222 can also be replaced by a structural member that can simulate elastic force, such as an electronically controlled structure, or two magnets with magnetic repulsion between the two magnets. As long as it can be shown that the magnitude of the pressure applied by the first elastic member 222 to the first transmission wheel 223 can be changed by adjusting the position or length.

[0049] Optionally, the first friction plate 2223 is annular, and a plurality of first protrusions 22211 may be provided on the sleeve 2221. The plurality of first protrusions 22211 are arranged at intervals along the circumference of the sleeve 2221, and each first protrusion 22211 extends axially along the transmission shaft 2212. The inner annular surface of the first friction plate 2223 is provided with a plurality of first grooves 22231, and each first groove 22231 corresponds to a first protrusion 22211. The first protrusion 22211 is slidably connected to the corresponding first groove 22231. The first friction plate 2223 is slidably connected to the sleeve 2221 through the sliding connection between the first protrusion 22211 and the first groove 22231, and rotates synchronously with the sleeve 2221 through the limiting of the second groove 22321 by the second protrusion 22331.

[0050] Optionally, the shaft sleeve 2221 may include a sleeve body and a sleeve edge. The sleeve body is cylindrical and sleeved onto the transmission shaft 2212. The sleeve edge is provided at the end of the sleeve body away from the first friction plate 2223 and protrudes from the peripheral side of the sleeve body. The spring 2222 may be located between the sleeve edge and the first friction plate 2223. One end of the spring 2222 abuts against the side of the sleeve edge facing the first friction plate 2223, and the other end abuts against the side of the first friction plate 2223 facing the sleeve edge. The portion of the sleeve body away from the sleeve edge is provided with a first protrusion 22211.

[0051] Optionally, the sleeve 2221 is slidably connected to the transmission shaft 2212 along the axial direction of the transmission shaft 2212. The crush assembly 22 further includes a stopper 421 connected to the transmission shaft 2212. The stopper 421 is located on the side of the sleeve 2221 facing away from the first transmission wheel 223 and is used to limit the compression length of the spring 2222. In this way, the user can move the sleeve 2221 until the sleeve 2221 meets the required elastic force of the first elastic member 222. The stopper 421 is then positioned against the end of the sleeve 2221 away from the first transmission wheel 223 and connected to the transmission shaft 2212. At this time, the first elastic member 222 can apply a stable elastic force to the first transmission wheel 223, so that the friction between the first friction plate 2223 and the first transmission wheel 223 meets the design requirements. The limiting member 421 may be a retaining spring, and the shaft sleeve 2221 is provided with a plurality of retaining positions. The retaining spring can adjust the compression length of the spring 2222 by being engaged in different retaining positions.

[0052] In some embodiments, see Figure 2 and Figure 3 The first transmission wheel 223 includes a driven gear 2231, a limiting sleeve 2232 and a second friction plate 2233. The limiting sleeve 2232 is connected to the wheel surface of the driven gear 2231 facing the first elastic member 222. The second friction plate 2233 is slidably connected to the limiting sleeve 2232 along the extension direction of the central axis of the transmission shaft 2212. The driving member 21 is transmission-connected to the driven gear 2231. When the driving member 21 drives the driven gear 2231 to rotate, it can drive the second friction plate 2233 to rotate synchronously through the limiting sleeve 2232. The first friction plate 2223 abuts against the second friction plate 2233. The transmission member 221 rotates synchronously under the drive of the friction force between the first friction plate 2223 and the second friction plate 2233, thereby driving the support seat 31 to rotate relative to the housing 10. In this way, the friction between the first elastic member 222 and the first transmission wheel 223 is the friction between the first friction plate 2223 and the second friction plate 2233. When the second friction plate 2233 is excessively worn, the first transmission wheel 223 only needs to be replaced with the second friction plate 2233, rather than the entire first transmission wheel 223. This saves maintenance costs. The second friction plate 2233 is made of a wear-resistant material, which can be the same material as the first friction plate 2223.

[0053] Optionally, the second friction plate 2233 is annular, the limiting sleeve 2232 is annular, and the inner annular surface is spaced apart from both the shaft sleeve 2221 and the transmission shaft 2212. The second friction plate 2233 is sleeved on the transmission shaft 2212 and is slidably connected to the inner annular surface of the limiting sleeve 2232 along the axial direction of the transmission shaft 2212. Specifically, the outer annular surface of the second friction plate 2233 is provided with a plurality of second protrusions 22331, and the inner annular surface of the limiting sleeve 2232 is provided with a plurality of second grooves 22321. The second grooves 22321 extend along the axial direction of the transmission shaft 2212. The plurality of second grooves 22321 correspond to the plurality of second protrusions 22331 one-to-one, and each second protrusion 22331 is slidably connected to a first groove 22231. In this way, the second friction plate 2233 rotates synchronously with the limiting sleeve 2232 due to the second grooves 22321 limiting the second protrusions 22331. It should be noted that the second friction plate 2233 can be sleeved on the outside of the sleeve 2221 and can rotate relative to the sleeve 2221. The end of the sleeve 2221 facing the driven gear 2231 is spaced from the wheel surface of the driven gear 2231, so that the sleeve 2221 can slide toward the driven gear 2231 relative to the transmission shaft 2212 to increase the elastic force of the first elastic member 222.

[0054] Optionally, multiple first friction plates 2223 and multiple second friction plates 2233 are provided, and the multiple first friction plates 2223 and the multiple second friction plates 2233 are alternately arranged along the axial direction of the transmission shaft 2212. This increases the friction area between the first elastic member 222 and the first transmission wheel 223, thereby enhancing the friction force between the first elastic member 222 and the first transmission wheel 223. In the illustrated embodiment, the number of both the first friction plates 2223 and the second friction plates 2233 is two, and the two first friction plates 2223 and the two second friction plates 2233 are alternately arranged along the axial direction of the transmission shaft 2212. That is, along the direction from the first elastic member 222 to the first transmission wheel 223, the first friction plate 2223, the second friction plate 2233, the first friction plate 2223, and the second friction plate 2233 are arranged in order. In actual applications, the number, material, and combination of the first friction plates 2223 and the second friction plates 2233 can be set as needed and are not limited here.

[0055] Optionally, a driving gear 212 is sleeved on the driving shaft 211 of the driving member 21 , and the driving gear 212 is meshed with the driven gear 2231 to achieve a transmission connection between the driving member 21 and the first transmission wheel 223 .

[0056] In some embodiments, see Figure 4 and Figure 5The screen flipping device also includes a damping mechanism 40, which includes a damping base 41 arranged on the shell 10 and a damping assembly 42 arranged on the support base 31. The damping base 41 is provided with a damping groove, and the bottom surface of the damping groove is an arc surface extending circumferentially along the rotation axis of the screen mechanism 30. The damping assembly 42 includes a limit block connected to the support base 31 and a second elastic member 422 connected to the limit block. The limit block is slidably connected to the damping groove, and both sides of the limit block respectively abut against the two groove side walls of the damping groove to prevent the limit block from moving in the damping groove in the extension direction of the rotation axis of the support base 31. The damping assembly 42 realizes the limitation of the support base 31 in the extension direction of the rotation axis through the sliding connection between the limit member 421 and the damping groove, thereby preventing the screen mechanism 30 from shaking in the extension direction of the rotation axis. The second elastic member 422 elastically abuts the bottom surface of the damping groove. Thus, the damping assembly 42 applies an elastic force to the bottom surface of the damping groove through the second elastic member 422, causing the connection between the support base 31 and the housing 10 to elastically abut. In actual design, the elastic force of the second elastic member 422 can be set to be greater than the sum of the weight of the screen mechanism 30 itself and the external force caused by the acceleration of the jolting. This ensures stable abutment between the support base 31 and the housing 10, preventing the screen mechanism 30 from shaking in a direction perpendicular to the rotation axis, thereby preventing abnormal noise between the screen mechanism 30 and the housing 10. Furthermore, when the support base 31 rotates relative to the housing 10, it is damped by the friction between the second elastic member 422 and the bottom surface of the damping groove. This improves the screen mechanism 30's ability to withstand external drag, reduces the external force transmitted to the driver 21, and thus increases the service life of the driver 21. At the same time, during the rotation of the screen mechanism 30, the second elastic member 422 always elastically abuts against the bottom surface of the damping groove, thereby ensuring that the screen mechanism 30 is subjected to a constant damping force throughout the entire rotation stroke, thereby preventing the support base 31 from shaking when rotating between the open state and the storage state.

[0057] Optionally, the second elastic member 422 is in the shape of a spring sheet and includes a first U-shaped portion 4221, a second U-shaped portion 4222 and a connecting portion 4223 connected between the first U-shaped portion 4221 and the second U-shaped portion 4222, the connecting portion 4223 being connected to the side of the limit block facing the bottom surface of the damping groove, the first U-shaped portion 4221 and the second U-shaped portion 4222 are both U-shaped and are both formed by bending spring sheets, the opening of the first U-shaped portion 4221 faces back to the bottom surface of the damping groove, the opening of the second U-shaped portion 4222 faces back to the bottom surface of the damping groove, the bottom of the first U-shaped portion 4221 facing away from the opening and the bottom of the second U-shaped portion 4222 facing away from the opening both elastically rest against the bottom surface of the damping groove, and the first U-shaped portion 4221 and the second U-shaped portion 4222 are arranged along the extension direction of the damping groove. In this way, the second elastic member 422 achieves elastic contact with the damping groove through the first U-shaped portion 4221 and the second U-shaped portion 4222. The user can adjust the elastic deformation of the second elastic member 422 by adjusting the distance between the limit member 421 and the bottom surface of the damping groove. That is, the closer the limit member 421 is to the bottom surface of the damping groove, the greater the deformation of the second elastic member 422, the maximum elastic force exerted on the bottom surface of the damping groove, the greater the friction between the second elastic member 422 and the bottom surface of the damping groove, and the greater the damping force applied to the support seat 31 during rotation. At the same time, the bottoms of the first U-shaped portion 4221 and the second U-shaped portion 4222 abut against the bottom surface of the damping groove, increasing the contact area between the second elastic member 422 and the bottom surface of the damping groove, thereby increasing the friction between the second elastic member 422 and the bottom surface of the damping groove.

[0058] Optionally, the limiting block and the side wall of the damping groove are also interference fit, so that the damping force on the damping assembly 42 can be increased by the friction between the limiting block and the side wall of the damping groove.

[0059] Optionally, the connecting portion 4223 defines a first connecting hole, and the limiting block defines a second connecting hole. The connecting portion 4223 is fixedly connected to the limiting block via a screw 43 that passes through the first connecting hole and is threadedly connected to the second connecting hole. Positioning slots 4220 are defined on both sides of the connecting portion 4223, and a positioning post 4211 protrudes from the bottom of the limiting block to position the second elastic member 422. When installing the second elastic member 422, the positioning post 4211 can be first aligned with the positioning hole. This ensures alignment between the first and second connecting holes, facilitating insertion of the screw 43 into the first and second connecting holes.

[0060] In some embodiments, see Figure 6The housing 10 includes a bottom housing 11, two side housings 12, and two wear-resistant parts 13. The two side housings 12 are connected to the bottom housing 11 and are spaced apart. The damping base 41 is connected to the bottom housing 11 and is located between the two side housings 12. A wear-resistant part 13 is connected to each of the two side housings 12. The wear-resistant part 13 is formed with an arc-shaped chute 1301. The arc axis corresponding to the arc-shaped chute 1301 coincides with the rotation axis of the screen body. The support seat 31 is located between the two side housings 12. The two ends of the support seat 31 are respectively slidably connected to the arc-shaped chute 1301 of the wear-resistant part 13. The wear-resistant part 13 is made of wear-resistant material. The support seat 31 reduces the wear on the housing 10 by slidingly connecting with the wear-resistant part 13, thereby avoiding abnormal noise between the support seat 31 and the side wall of the arc-shaped chute 1301. The wear-resistant part 13 can be made of plastic.

[0061] Optionally, a connecting groove 121 is provided on the side shell 12, and the bottom of the connecting groove 121 can be set through, and the connecting groove 121 extends along an arc path. The wear-resistant part 13 includes a main body 131 and a sliding part 132 connected to the main body 131. Both side shells 12 have facing inner side surfaces and opposite outer side surfaces. The main body 131 is connected to the outer side surface of the side shell 12, and the sliding part 132 is located in the connecting groove 121. The sliding part 132 forms an arc-shaped slide groove 1301. The part of the groove side wall of the sliding part 132 that forms the arc-shaped slide groove 1301 is annular and tightly attached to the groove side wall of the connecting groove 121. The part of the groove bottom wall of the sliding part 132 that forms the arc-shaped slide groove 1301 can be used to limit the axial shaking of the support seat 31. In this way, the side shell 12 can use high-strength materials to improve the supporting force of the support seat 31. The wear-resistant parts 13 can be set only in the arc-shaped slide groove 1301 and the surrounding area. There is no need to set the entire side shell 12 as the wear-resistant parts 13. After the wear-resistant parts 13 are used for a long time and are severely worn, only the wear-resistant parts 13 need to be replaced, saving processing and maintenance costs.

[0062] Optionally, two arc-shaped sliding grooves 1301 may be provided on each side shell 12 , and the diameters corresponding to the two arc-shaped sliding grooves 1301 are different, so as to improve the stability of the support seat 31 sliding relative to the shell 10 .

[0063] The above are only some specific embodiments of the present invention, which only specifically describe the technical principles of the present invention. These descriptions are only for explaining the principles of the present invention and cannot be interpreted in any way as limiting the scope of protection of the present invention. Based on the explanation here, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention, as well as other specific implementation methods of the present invention that can be associated with the technical personnel in this field without creative work, should be included in the scope of protection of the present invention. For example, the screen flip device can also be set at the top, side or rear of the seat of the vehicle body. In addition, in addition to being used in vehicles, the screen flip device can also be used on other equipment or structural parts, such as on a desktop, in an aircraft, or in a hull, and there is no limitation here.

Claims

1. A collapse assembly, characterized in that: include: transmission parts; a first transmission wheel, wherein the wheel axis of the first transmission wheel coincides with the transmission axis of the transmission member; A first elastic member is connected to the transmission member and elastically abuts against a wheel surface of the first transmission wheel.

2. The collapse assembly according to claim 1, wherein: The transmission member includes a second transmission wheel and a transmission shaft connected to the second transmission wheel, the first elastic member is connected to the transmission shaft, the wheel axis of the first transmission wheel, the wheel axis of the second transmission wheel and the central axis of the transmission shaft coincide with each other, and the first transmission wheel is rotatably connected to the transmission shaft.

3. The collapse assembly according to claim 2, wherein: The first elastic member includes a sleeve sleeved on the transmission shaft, a spring sleeved on the sleeve, and a first friction plate slidably connected to the sleeve along the axial direction of the transmission shaft, and the first friction plate abuts against the first transmission wheel.

4. The collapse assembly according to claim 3, wherein: The bushing is slidably connected to the transmission shaft along the axial direction of the transmission shaft. The collapse assembly also includes a limiter connected to the transmission shaft. The limiter is located on the side of the bushing facing away from the first transmission wheel and is used to limit the compression length of the spring.

5. The collapse assembly according to claim 3, wherein: The first transmission wheel includes a driven gear, a limiting sleeve and a second friction plate. The limiting sleeve is connected to the wheel surface of the driven gear facing the first elastic member. The second friction plate is slidably connected to the limiting sleeve along the axial direction of the transmission shaft. The first friction plate abuts against the second friction plate.

6. The collapse assembly according to claim 5, wherein: A plurality of the first friction plates and a plurality of the second friction plates are provided, and the plurality of the first friction plates and the plurality of the second friction plates are alternately arranged along the axial direction of the transmission shaft.

7. A screen flipping device, characterized in that: It includes a shell, a screen mechanism and a driving mechanism, the screen mechanism is rotatably connected to the shell, the driving mechanism includes a driving member and the crush assembly according to any one of claims 1 to 6, the driving member and the crush assembly are both connected to the shell, one of the first transmission wheel and the transmission member is transmission-connected to the screen mechanism, and the other is transmission-connected to the driving member, the driving member can drive the crush assembly to rotate around the wheel axis of the first transmission wheel, so that the crush assembly drives the screen mechanism to rotate relative to the shell.

8. The screen flipping device according to claim 7, wherein: The screen flip device also includes a damping mechanism, which includes a damping base arranged on the shell and a damping assembly arranged on the screen mechanism. The damping base is provided with a damping groove, and the bottom surface of the damping groove is an arc surface extending circumferentially along the rotation axis of the screen mechanism. The damping assembly includes a limit block connected to the screen mechanism and a second elastic member connected to the limit block, the limit block is slidably connected to the damping groove, and the second elastic member elastically rests against the bottom surface of the damping groove.

9. The screen flipping device according to claim 8, wherein: The second elastic member is in the shape of a spring sheet and includes a first U-shaped portion, a second U-shaped portion and a connecting portion connected between the first U-shaped portion and the second U-shaped portion, the connecting portion is connected to the limit block, the bottom of the back opening of the first U-shaped portion and the bottom of the back opening of the second U-shaped portion are elastically abutted against the bottom surface of the damping groove, and the first U-shaped portion and the second U-shaped portion are arranged along the extension direction of the damping groove.

10. The screen flipping device according to claim 7, wherein: The shell includes a bottom shell, two side shells and two wear-resistant parts. The two side shells are connected to the bottom shell and are arranged at intervals. One of the wear-resistant parts is connected to each of the two side shells. The wear-resistant parts are formed with an arc-shaped slide groove. The arc axis corresponding to the arc-shaped slide groove coincides with the rotation axis of the screen mechanism. The screen mechanism is located between the two side shells. The two ends of the screen mechanism are respectively slidably connected to the arc-shaped slide groove of one of the wear-resistant parts.

11. A vehicle, characterized in that: It comprises a vehicle body and the screen flip device according to any one of claims 7 to 10, wherein the shell is connected to the vehicle body.

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