Motion assembly and vehicle
By adopting a dual drive mechanism and transmission structure in a parallel double crank mechanism, the problem of load shaking or being unable to move during movement is solved, and stable movement and synchronous rotation of the load are achieved.
Patent Information
- Application Number
- CN202511155077.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-18
- Publication Date
- 2025-10-03
AI Technical Summary
The existing parallel double crank mechanism has the problem of shaking or being unable to move when the load moves to a certain position, mainly due to insufficient supporting force of the driven arm.
A dual-drive mechanism design is adopted, with the first drive member and the second drive member driving the first swing arm and the second swing arm respectively, ensuring that both are power arms, overcoming the load gravity to do work, and achieving synchronous rotation through transmission structures such as sprockets and chains to avoid the influence of angles.
It effectively avoids the jitter of the load during movement, ensures the load can move stably, and improves the stability and reliability of the motion components.
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Figure CN120735588A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of vehicle manufacturing technology, and in particular to a motion component and a vehicle. Background Art
[0002] A parallel double crank mechanism (also known as a parallelogram mechanism) is a typical four-bar mechanism. Its core features are that the two cranks are equal in length and rotate in the same direction, and the connecting rod and the frame are also equal in length. This structure ensures that the connecting rod remains parallel to the frame during movement, ensuring that the movement of the driven crank and the driving crank is strictly synchronized.
[0003] In the related art, a load is placed on a connecting rod and a parallel double crank mechanism is used to drive the load to move. However, with this arrangement, when the load moves to a certain position, there is a problem of shaking or even being unable to move. Summary of the Invention
[0004] In view of this, the present application provides a motion assembly that can improve the stability of a connecting rod mechanism during movement. In addition, the present application also provides a vehicle including the motion assembly.
[0005] In a first aspect, the present application provides a motion assembly, comprising a connecting rod mechanism and a driving mechanism;
[0006] The linkage mechanism includes a first mounting seat, a second mounting seat, a first swing arm, and a second swing arm; the second mounting seat has a mounting portion for assembling a load, two ends of the first swing arm are rotatably connected to the first mounting seat and the second mounting seat, respectively, and two ends of the second swing arm are rotatably connected to the first mounting seat and the second mounting seat, respectively.
[0007] The driving mechanism is mounted on the first mounting seat and includes a first driving member and a transmission structure, wherein the first driving member is connected to the first swing arm, and the transmission structure is connected between the first swing arm and the second swing arm; or,
[0008] The driving mechanism is installed on the first mounting seat and includes a first driving member and a second driving member. The first driving member is connected to the first swing arm and is used to drive the first swing arm to rotate. The second driving member is connected to the second swing arm and is used to drive the second swing arm to rotate.
[0009] As will be understood, as described above, the load is connected to the first and second swing arms via the second mounting base. That is, the first and second swing arms are both support arms for the load. During the movement of the load, both the first and second swing arms need to overcome the gravity of the load to perform work. Based on the above, if only one of the first and second swing arms is connected to the first driving member, the other acts as a driven arm and rotates under the drive of the first swing arm. For ease of description, the swing arm connected to the first driving member will be referred to as the active arm below. As will be understood, under this arrangement, the active arm transmits force to the driven arm via the second mounting base. During the movement of the load, the force transmitted from the active arm to the driven arm via the second mounting base (for ease of description, this force will be referred to as the first force below) is affected by the angle between the active arm and the second mounting base, as well as the angle between the driven arm and the second mounting base. Furthermore, when the load moves to a certain position, the component of the first force in the direction opposite to gravity is particularly small, resulting in this component being insufficient to support the load, which in turn causes the load to shake or even become unable to move further.
[0010] In the present application, the first swing arm is connected to the first driving member, the second swing arm is connected to the second driving member, or is connected to the first swing arm through a transmission structure, so that the first swing arm and the second swing arm are both power arms, and the force they can apply to the load to overcome its gravity and do work is not affected by the angle between the swing arm (including the first swing arm and the second swing arm) and the second connecting seat, thereby avoiding the above-mentioned load shaking or even inability to continue moving due to insufficient support force of the driven arm on the load.
[0011] In one embodiment of the first aspect of the present application, when the driving mechanism is mounted on the first mounting seat and includes a first driving member and a transmission structure, the first swing arm is rotatably connected to the first mounting seat via a first shaft;
[0012] The first driving member is a motor, and the output shaft of the motor is coaxially connected to the first shaft.
[0013] In one embodiment of the first aspect of the present application, the output shaft is connected to the first shaft via a clamp structure, and the clamp structure includes:
[0014] a sleeve formed at an end of one of the first shaft and the output shaft and capable of being sleeved on an outer circumference of the other; and a side wall of the sleeve having a notch extending along its axial direction;
[0015] The clamp is sleeved on the outer peripheral side of the sleeve.
[0016] In one embodiment of the first aspect of the present application, the motion assembly further comprises a motor connecting seat, wherein opposite ends of the motor connecting seat are respectively connected to the motor and the first mounting seat in the axial direction of the first shaft;
[0017] The first shaft is fixedly connected to the first swing arm, and the end of the motor connecting seat connected to the first mounting seat has a protruding first bearing seat. The first shaft is connected to the first bearing seat through a bearing to realize the rotational connection between the first swing arm and the first mounting seat; the first mounting seat has a through hole at a position corresponding to the first bearing seat, and the through hole can accommodate the part of the first bearing seat protruding from the motor connecting seat.
[0018] In one embodiment of the first aspect of the present application, the driving mechanism is installed on the first mounting seat and includes a first driving member and a transmission structure, the first swing arm is rotatably connected to the first mounting seat through a first axis, and the second swing arm is rotatably connected to the first mounting seat through a second axis; the transmission structure is connected between the first axis and the second axis.
[0019] In one implementation of the first aspect of the present application, the transmission structure includes:
[0020] a first sprocket, sleeved on the outer circumference of the first shaft;
[0021] a second sprocket, sleeved on the outer circumference of the second shaft;
[0022] The first sprocket and the second sprocket are connected via a chain transmission; and a tensioning wheel set for tensioning the chain is provided between the first sprocket and the second sprocket.
[0023] In one embodiment of the first aspect of the present application, the chain includes a first side and a second side arranged opposite to each other, the tensioning wheel group is located between the first side and the second side, and includes a first tensioning wheel for pressing the first side, and a second tensioning wheel for pressing the second side.
[0024] In one embodiment of the first aspect of the present application, the first tensioning wheel includes a first fixing seat and a first tensioning wheel body, the first fixing seat is fixedly connected to the first mounting seat; the first tensioning wheel body is movably arranged on the first fixing seat along the arrangement direction of the first side and the second side to adjust the tension of the first side; and / or
[0025] The second tensioning wheel includes a second fixed seat and a second tensioning wheel body, and the second fixed seat is fixedly connected to the second mounting seat; the second tensioning wheel body is movably arranged on the second fixed seat along the arrangement direction of the second side and the second side to adjust the tension of the second side.
[0026] In one embodiment of the first aspect of the present application, in the extension direction of the first axis, the first axis and the second axis both pass through the first mounting seat, the driving mechanism and the first swing arm are distributed on opposite sides of the first mounting seat, and the driving mechanism and the second swing arm are distributed on opposite sides of the first mounting seat.
[0027] In a second aspect, the present application provides a vehicle comprising a vehicle body and an instrument panel assembly disposed inside the vehicle body, wherein the instrument panel assembly comprises:
[0028] Display screen;
[0029] a fixed beam connected to the vehicle body;
[0030] The motion component is any one of the motion components described above, wherein the first mounting seat of the motion component is connected to the fixed beam, and the display screen is assembled on the second mounting seat of the motion component as a load. BRIEF DESCRIPTION OF THE DRAWINGS
[0031] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without any creative work.
[0032] Figure 1 This is a schematic diagram of the overall structure of the motion component in the embodiment of the present application;
[0033] Figure 2 This is a front view of the motion component in the embodiment of the present application;
[0034] Figure 3 A rear view of the motion assembly in an embodiment of the present application;
[0035] Figure 4 This is a structural diagram of the first mounting base in an embodiment of the present application;
[0036] Figure 5 This is a front view of the first mounting base in the embodiment of the present application;
[0037] Figure 6 This is a schematic structural diagram of the second mounting base in an embodiment of the present application;
[0038] Figure 7 This is a schematic structural diagram of the connecting portion in an embodiment of the present application;
[0039] Figure 8 This is a front view of the connecting portion in the embodiment of the present application;
[0040] Figure 9 Schematic diagram of the structure of the installation part in the embodiment of the present application;
[0041] Figure 10 This is a schematic structural diagram of the first swing arm in an embodiment of the present application;
[0042] Figure 11 Schematic diagram of the structure of the first axis in the embodiment of the present application at a first viewing angle;
[0043] Figure 12 is a schematic diagram of the first shaft and the first mounting seat in an assembled state from a first viewing angle;
[0044] Figure 13 is a schematic diagram of the first shaft and the first mounting base in an assembled state from a second viewing angle;
[0045] Figure 14 This is a schematic diagram of the motor connector and the first shaft in an assembled state;
[0046] Figure 15 It is a structural diagram of the motor connection base;
[0047] Figure 16 Schematic diagram of the clamp and sleeve in the assembled state in an embodiment of the present application;
[0048] Figure 17 Schematic diagram of the structure of the first axis in the embodiment of the present application at a second viewing angle;
[0049] Figure 18 Schematic diagram of the structure of the clamp in the embodiment of the present application;
[0050] Figure 19 This is a schematic structural diagram of the first swing arm in an embodiment of the present application;
[0051] Figure 20 This is a schematic structural diagram of the second shaft in an embodiment of the present application;
[0052] Figure 21 This is a schematic structural diagram of the first tensioning wheel in an embodiment of the present application;
[0053] Figure 22 This is a front view of the first tensioning pulley in the embodiment of the present application;
[0054] Figure 23 A side view of the first tensioning pulley in an embodiment of the present application;
[0055] Figure 24 This is a rear view of the first tensioning pulley in the embodiment of the present application;
[0056] Figure 25 for Figure 23Cross-sectional view along the AA direction.
[0057] exist Figure 1-Figure 25 middle:
[0058] 1-first mounting seat, 2-second mounting seat, 3-first swing arm, 4-second swing arm, 5-first driving member, 6-transmission structure, 7-first shaft, 8-motor connecting seat, 9-first bearing seat, 10-clamp, 11-second shaft, 12-second bearing seat;
[0059] 101-mounting plate, 102-connecting plate, 103-rib plate, 201-connecting portion, 202-mounting portion, 301-first connecting groove, 302-second connecting hole, 401-second connecting groove, 402-third connecting hole, 601-first sprocket, 602-second sprocket, 603-chain, 604-first tensioning pulley, 605-second tensioning pulley, 701-first connecting protrusion, 702-second threaded hole, 703-notch, 704-sleeve, 801-bearing seat mounting groove, 1001-deformation groove, 1101-second connecting protrusion, 1102-third threaded hole;
[0060] 2011-first threaded hole, 2012-clamping hole, 2021-first connecting hole, 2022-connecting block, 2023-snap buckle, 6031-first side, 6032-second side, 6041-first tensioning wheel body, 6042-first fixing seat, 6043-adjusting stud, 6044-tensioning wheel shaft. DETAILED DESCRIPTION
[0061] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.
[0062] The structure of this application will be described in detail below with reference to the accompanying drawings.
[0063] The present application provides a vehicle. The vehicle includes, but is not limited to, a new energy vehicle, a fuel vehicle, a hybrid vehicle, and includes, but is not limited to, a family car, a public bus, and the like.
[0064] The vehicle includes a body and an instrument panel assembly.
[0065] The body is the main structural part of a vehicle, primarily responsible for accommodating passengers and cargo, and covering and protecting the vehicle's mechanical components (such as the engine and chassis). It provides overall rigidity to the vehicle through a frame structure or load-bearing structure. Furthermore, the body has a cabin inside, which can be a cockpit or a combination of a cockpit and a passenger compartment. The following description uses the example of a cabin consisting of both a cockpit and a passenger compartment.
[0066] The instrument panel assembly is located inside the vehicle body, specifically within the cabin, and is located directly in front of the driver and front passenger.
[0067] The instrument panel assembly includes the display screen, fixed beam and motion components.
[0068] The display screen may be a screen that integrates instrument display and entertainment functions. Alternatively, it may be a screen that only has entertainment functions. The instrument display includes, but is not limited to, vehicle speed, tachometer, and water temperature; and the entertainment functions include, but are not limited to, audio and video entertainment and gaming entertainment.
[0069] The fixed beam is the supporting structure of the instrument panel assembly and is fixedly connected to the vehicle body. The connection between the fixed beam and the vehicle body can be a non-detachable connection such as welding or riveting, or a detachable connection such as bolting.
[0070] In addition, in a specific implementation, the fixed beam may be a cross beam extending along the width direction of the vehicle body; or, the fixed beam may be a supporting structure composed of a plurality of beams that are staggered and connected.
[0071] The motion component is used to connect the display screen and the fixed beam so that the display screen can move relative to the fixed beam.
[0072] During normal vehicle operation, the display screen can be moved directly in front of the front passenger, allowing for both driving safety and the entertainment needs of the front passenger. This allows the front passenger to watch videos or play games on the screen. This position, away from the driver, minimizes distractions to the driver and ensures driving safety. When the vehicle is parked, the display screen can be moved to the center of the vehicle's width, allowing both the driver and front passenger to enjoy entertainment together. When the vehicle is parked and only the driver needs entertainment, the display screen can be moved directly in front of the driver. This position facilitates interaction with the display, enhancing the driver's entertainment experience, compared to a center position.
[0073] like Figure 1-Figure 3 As shown, the motion assembly includes a connecting rod mechanism and a driving mechanism.
[0074] The connecting rod mechanism includes a first mounting seat 1 , a second mounting seat 2 , a first swing arm 3 and a second swing arm 4 .
[0075] The two ends of the first swing arm 3 are rotatably connected to the first mounting seat 1 and the second mounting seat 2. In addition, the two ends of the second swing arm 4 are rotatably connected to the first mounting seat 1 and the second mounting seat 2.
[0076] The first mounting base 1 may be an independent component, or the first mounting base 1 may also be a part of the fixed beam or the vehicle body.
[0077] When the first mounting seat 1 is an independent component, it can be fixedly connected to the fixing beam to be fixed inside the vehicle body through the fixing beam, or it can also be directly connected to the vehicle body.
[0078] For example, Figure 4 and Figure 5 As shown, the first mounting seat 1 includes a mounting plate 101 and a connecting plate 102 .
[0079] The mounting plate 101 is used to connect other components in the linkage mechanism, such as the first swing arm 3 and the second swing arm 4 .
[0080] The connecting plate 102 is fixedly connected to the mounting plate 101 , or the connecting plate 102 and the mounting plate 101 are integrally formed, and are used to connect the fixed beam and / or the vehicle body.
[0081] Continue as Figure 4 and Figure 5 As shown, the mounting plate 101 and the connecting plate 102 are arranged at an angle. This arrangement makes the mounting surface of the mounting plate 101 and the connecting surface of the connecting plate 102 non-coplanar. In this way, interference between the connecting structure connected to the connecting plate 102 (the connecting structure includes but is not limited to a connecting bracket, bolts, etc.) and other components in the connecting rod mechanism (such as the first swing arm 3 and the second swing arm 4, etc.) can be avoided.
[0082] Furthermore, ribs 103 are provided between the mounting plate 101 and the connecting plate 102; this effectively improves the connection strength between the mounting plate 101 and the connecting plate 102, thereby increasing the overall structural strength of the first mounting base 1. The number of ribs 103 provided can be adaptively designed as needed and is not specifically limited in this application. For example, one, two, or even more ribs can be provided between the mounting plate 101 and a connecting plate 102.
[0083] The number of connecting plates 102 provided can be adaptively designed as needed and is not specifically limited in this application. In some embodiments, only one connecting plate 102 may be provided, preferably positioned in the middle of the length of the mounting plate 101 to improve the uniformity of the support provided by the connecting plate 102 to the mounting plate 101. In some embodiments, multiple connecting plates 102 may also be provided (e.g., 2, 3, or even more). In this arrangement, the multiple connecting plates 102 are spaced apart along the length of the mounting plate 101, effectively improving the stability of the motion assembly.
[0084] Furthermore, when there are multiple connecting plates 102, the multiple connecting plates 102 can be distributed on both sides of the mounting plate 101 along the thickness direction. This arrangement is conducive to stress dispersion, thereby further improving the stability of the connecting plates 102 supporting the mounting plate 101.
[0085] The second mounting base 2 has a mounting portion 202 for mounting a load, where the load includes but is not limited to a display screen. For example, the load may also be a structure that requires movement, such as a mobile phone holder.
[0086] In an exemplary embodiment, Figure 6-Figure 9 As shown, the second mounting seat 2 includes a mounting portion 202 and a connecting portion 201 .
[0087] The mounting portion 202 and the connecting portion 201 may be two independent components connected to each other, or the mounting portion 202 and the connecting portion 201 may be an integral piece.
[0088] The connecting portion 201 is a portion of the second mounting base 2 used to connect the first swing arm 3 and the second swing arm 4. Figure 7 As shown, in a specific implementation, a protruding connecting shaft can be provided on the connecting portion 201. During the assembly process, the first swing arm 3 and the second swing arm 4 are connected to the connecting shaft through structures such as bearings, thereby realizing the rotational connection between the first swing arm 3 and the second mounting seat 2, and the rotational connection between the second swing arm 4 and the second mounting seat 2.
[0089] The mounting portion 202 is a portion of the second mounting base 2 used for connecting a load, and the load may specifically be a structure such as a display screen.
[0090] The connection between the mounting portion 202 and the load can be a sliding connection, a rotating connection, or a fixed connection. This application does not make any specific restrictions on this, and adaptive design can be performed as needed during implementation.
[0091] The following description will be made by taking the load as a display screen, and the display screen being fixedly connected to the mounting portion 202 as an example.
[0092] The mounting portion 202 is detachably connected to the connecting portion 201 via a first connecting structure and a second connecting structure.
[0093] The first connection structure and the second connection structure may be the same connection structure, or may be different connection structures.
[0094] Exemplarily, the first connection structure is a threaded connection structure; the second connection structure is a clamping structure.
[0095] Specifically, such as Figure 6-Figure 9 As shown, the threaded connection structure includes a first threaded hole 2011, a first connecting hole 2021 and a screw (not shown in the figure). The first threaded hole 2011 is set at the top of the connecting part 201, and the mounting part 202 has a connecting block 2022 protruding toward one side of the connecting part 201. Figure 6 As shown, in the assembled state, the connecting block 2022 is located at the top of the connecting portion 201, and the first connecting hole 2021 is provided on the connecting block 2022 and is provided opposite to the first threaded hole 2011. The buckle 2023 structure includes a buckle 2023 and a connecting hole 2012. The connecting hole 2012 is located on the connecting portion 201 and below the first threaded hole 2011; the buckle 2023 is provided on the mounting portion 202 and protrudes toward one side of the connecting portion 201, and the buckle 2023 structure has a flange formed by folding downward. Figure 6 As shown, in the assembled state, the buckle 2023 can pass through the snap-fit hole 2012 , and the flange can abut against the surface of the connecting portion 201 away from the mounting portion 202 , thereby achieving a snap-fit connection between the mounting portion 202 and the connecting portion 201 .
[0096] When assembling the display screen to the motion assembly, first connect the mounting portion 202 to the display screen. Then, move the display screen and mounting portion 202. Initially, the mounting portion 202 and the connecting portion 201 are positioned using the snap-fit mechanism, and then the mounting portion 202 and the connecting portion 201 are fixedly connected using the threaded connection mechanism. During this assembly process, after the mounting portion 202 and the connecting portion 201 are snap-fitted, the motion assembly can assist in supporting the display screen, facilitating alignment of the first threaded hole 2011 and the first connecting hole 2021 during the subsequent threaded connection process. This effectively reduces the impact of the display screen's weight on the assembly process.
[0097] In some embodiments, the driving mechanism is mounted on the first mounting seat 1 , and the driving mechanism includes a first driving member 5 and a transmission structure 6 .
[0098] The first driving member 5 may be a motor, or the first driving member 5 may also be a hydraulic cylinder, etc.
[0099] The first driving member 5 is connected to the first swing arm 3 and can drive the first swing arm 3 to rotate.
[0100] The connection method between the first driving member 5 and the first swing arm 3 needs to be adaptively designed based on the type of first driving member 5. For example, the first swing arm 3 is rotationally connected to the first mounting base 1 via a first shaft 7. When the first driving member 5 is a motor, the motor's output shaft can be coaxially connected to the first shaft 7 using a connector. Alternatively, the motor's output shaft and the first shaft 7 can be connected via a gear train. When the first driving member 5 is a hydraulic cylinder, the telescopic end of the hydraulic cylinder can be connected to the first shaft 7 using a gear, rack, or other similar device.
[0101] The transmission structure 6 is connected between the first swing arm 3 and the second swing arm 4; in a specific implementation, the transmission structure 6 can be a chain 603 transmission structure 6, or the transmission structure 6 can also be a belt transmission structure 6, or the transmission structure 6 can also be a gear transmission structure 6.
[0102] In this arrangement, the driving force of the first driving member 5 can be transmitted to the second swing arm 4 via the transmission structure 6, so that both the first swing arm 3 and the second swing arm 4 serve as power arms. This can prevent the display screen from shaking or even becoming immobile during movement due to insufficient driving force from the first swing arm 3 or the second swing arm 4.
[0103] Specifically, as described above, the display screen is connected to the first and second swing arms 3 and 4 via the second mounting base 2. That is, the first and second swing arms 3 and 4 both serve as support arms for the display screen. During the display screen's movement, both the first and second swing arms 3 and 4 must overcome the display screen's gravity to perform work. Based on the above, if only one of the first and second swing arms 3 and 4 is connected to the first driver 5, the other acts as a driven arm, rotating under the drive of the first swing arm 3. For ease of description, the swing arm connected to the first driver 5 will be referred to as the active arm. It will be understood that in this arrangement, the active arm transmits force to the driven arm via the second mounting base. During the display screen's movement, the force transmitted from the active arm to the driven arm via the second mounting base 2 (hereinafter referred to as the first force, for ease of description) is affected by the angles between the active arm and the second mounting base, as well as the angles between the driven arm and the second mounting base. Furthermore, when the display screen moves to a certain position, the component of the first force in the direction opposite to gravity is particularly small, resulting in this component being insufficient to support the display screen, which in turn causes the display screen to shake or even become unable to move further.
[0104] In this embodiment, since the first swing arm 3 and the second swing arm 4 are both power arms, the force they can apply to the display screen to overcome its gravity and do work is not affected by the angle between the swing arm (including the first swing arm 3 and the second swing arm 4) and the second connecting seat, thereby avoiding the shaking of the display screen or even the inability to continue moving caused by insufficient supporting force of the driven arm on the display screen.
[0105] In some embodiments, the driving mechanism is mounted on the first mounting seat 1 , and the driving mechanism includes a first driving member 5 and a second driving member.
[0106] The first driving member 5 is connected to the first swing arm 3 and is used to drive the first swing arm 3 to rotate.
[0107] The second driving member is connected to the second swing arm 4 and is used to drive the second swing arm 4 to rotate.
[0108] The specific configuration of the first driving member 5 and the second driving member can refer to the first driving member 5 in the previous embodiment, and will not be repeated in this application.
[0109] Furthermore, in a specific implementation, the first drive member 5 and the second drive member may have the same drive structure. For example, the first drive member 5 and the second drive member may both be motors. Alternatively, the first drive member 5 and the second drive member may have different drive structures. For example, one of the first drive member 5 and the second drive member may be a motor and the other may be a hydraulic cylinder. Regardless of whether the first drive member 5 and the second drive member have the same drive structure, it is necessary to ensure that the rotational speed of the first swing arm 3 driven by the first drive member 5 is equal to the rotational speed of the second swing arm 4 driven by the second drive member.
[0110] Similar to the previous embodiment, the first swing arm 3 and the second swing arm 4 in this embodiment are also power arms. The force they can apply to the display screen to overcome its gravity and do work is not affected by the angle between the swing arm (including the first swing arm 3 and the second swing arm 4) and the second connecting seat, thereby avoiding the shaking of the display screen or even the inability to continue moving caused by the insufficient supporting force of the driven arm on the display screen.
[0111] On the basis that the driving mechanism includes the first driving member 5 and the transmission structure 6 , in some embodiments, the first swing arm 3 is rotationally connected to the first mounting seat 1 through the first shaft 7 .
[0112] The first shaft 7 can be an independent component, or can be a shaft structure integrated with the first swing arm 3 or the first mounting seat 1 .
[0113] For example, when the first shaft 7 is an independent component, the first shaft 7 is rotatably connected to one of the first swing arm 3 and the first mounting base 1, and is fixedly connected to the other. The following description takes the example of the first shaft 7 being fixedly connected to the first swing arm 3 and rotatably connected to the first mounting base 1.
[0114] Specifically, such as Figure 10 and Figure 11As shown, a first connecting groove 301 is provided at the end of the first swing arm 3 connected to the first shaft 7. The bottom of the first connecting groove 301 has a second connecting hole 302, and the end surface of the first connecting groove 301 is formed into an elliptical shape. The end of the first shaft 7 connected to the first swing arm 3 has a protruding first connecting protrusion 701. The shape of the first connecting protrusion 701 is adapted to the first connecting groove 301, and a second threaded hole 702 is provided on the end surface of the first connecting protrusion 701 at the position corresponding to the first connecting hole 2021.
[0115] When assembling the first swing arm 3 and the first shaft 7, first assemble the first connecting protrusion 701 into the first connecting groove 301, then control the screw to pass through the first connecting hole 2021 from the side away from the first shaft 7 and screw into the second threaded hole 702 on the first connecting protrusion 701.
[0116] In this arrangement, screws are used to engage the first connecting groove 301 and the first connecting protrusion 701 to limit the position of the first shaft 7 and the first swing arm 3 in the axial direction of the first shaft 7. Compared to related art solutions that utilize an interference fit for position limiting, the arrangement in this embodiment facilitates assembly of the first shaft 7 and the first swing arm 3. Furthermore, because the end surface of the first connecting groove 301 is elliptical and the first connecting protrusion 701 matches the shape of the first connecting groove 301, after the first shaft 7 and the first swing arm 3 are connected, the engagement of the first connecting protrusion 701 in the first connecting groove 301 limits the rotation of the first swing arm 3 relative to the first shaft 7, thereby avoiding the need for additional limiting structures and simplifying the structure.
[0117] Of course, the shape of the end face of the first connecting groove 301 can be adaptively adjusted according to needs during specific implementation. For example, the shape of the end face of the first connecting groove 301 can also be set to be a triangle or a rectangle.
[0118] like Figure 12-15 As shown, the first shaft 7 is rotatably connected to the first mounting seat 1 through the first bearing seat 9 and the motor connecting seat 8.
[0119] Specifically, in the axial direction of the first shaft 7, the opposite ends of the motor connecting seat 8 are respectively connected to the motor and the first mounting seat 1. The end of the motor connecting seat 8 connected to the first mounting seat 1 is provided with a bearing seat mounting groove 801 for mounting the first bearing seat 9. The first bearing seat 9 assembled in the bearing seat mounting groove 801 protrudes from the surface of the motor connecting seat 8 facing the first mounting seat 1. The first mounting seat 1 has a through hole for accommodating the protruding portion of the first bearing seat 9.
[0120] During assembly, the first shaft 7 is first rotatably connected to the first bearing seat 9 via the bearing, and then the first bearing seat 9 is connected to the motor connection seat 8. In specific implementation, the first bearing seat 9 and the motor connection seat 8 can be connected via a threaded structure. After that, the motor connection seat 8 is assembled to the first mounting seat 1, thus achieving a rotational connection between the first shaft 7 and the first mounting seat 1.
[0121] In the above connection method, the first bearing seat 9 is not directly connected to the first mounting seat 1. When designing the thickness of the mounting plate 101 in the first mounting seat 1, there is no need to consider whether it can accommodate the first mounting seat 1. This facilitates the rational design of the mounting plate 101 and avoids material waste. In addition, the first bearing seat 9 is arranged to protrude from the surface of the motor connecting seat 8, and the first mounting seat 1 is provided with a through hole for accommodating the protruding portion. In this way, in the axial direction of the first shaft 7, a portion of the first bearing seat 9 overlaps with the mounting plate 101, thereby reducing the overall size of the motion assembly in the axial direction of the first shaft 7, making the structure more compact.
[0122] Of course, in specific implementation, if the thickness of the mounting plate 101 of the first mounting seat 1 meets the installation requirements of the bearing, the bearing can also be directly installed on the first mounting seat 1, so that the first shaft 7 and the first mounting seat 1 are directly connected through the bearing.
[0123] Based on the aforementioned first swing arm 3 being rotatably connected to the first mounting base 1 via the first shaft 7, the first driving member 5 is a motor, the output shaft of which is coaxially connected to the first shaft 7. In this arrangement, there is no need for a transmission structure 6 between the motor and the first shaft 7, thereby simplifying the structure and reducing costs and failure rates.
[0124] In a specific implementation, the output shaft of the motor can be connected to the first shaft 7 via a spline. Alternatively, the output shaft of the motor can be connected to the first shaft 7 via a clamp structure.
[0125] In an exemplary embodiment, Figure 16-Figure 18 As shown, the output shaft and the first shaft 7 are connected via a clamp structure.
[0126] The clamp structure includes a sleeve 704 and a clamp 10 .
[0127] The sleeve 704 is formed at the end of one of the first shaft 7 and the output shaft and can be sleeved onto the outer circumference of the other. Furthermore, the sidewall of the sleeve 704 has a notch 703 extending along its axis. The following description will take the case where the sleeve 704 is formed at the end of the first shaft 7 as an example.
[0128] like Figure 17As shown, the end of the first shaft 7 has a groove. The portion of the first shaft 7 used to form the groove is the sleeve 704 in the clamp structure. The sidewall of the sleeve 704 has a notch 703 along its axis, specifically the notch 703 formed in the sidewall of the groove. The number of notches 703 can be adjusted as needed and is not specifically limited in this application, but preferably multiple (e.g., two, four, etc.) are provided.
[0129] The output end of the motor output shaft has a connecting portion 201, which is connected to the first shaft 7. Specifically, the size and shape of the connecting portion 201 are adapted to the groove at the end of the first shaft 7. This adaptation means that the connecting portion 201 can extend into the groove, and after the connecting portion 201 extends into the groove, the outer peripheral sidewall of the connecting portion 201 abuts the sidewall of the groove at all places, or has a small gap.
[0130] The clamp 10 is sleeved on the outer peripheral side of the sleeve 704. Figure 18 As shown, the clamp 10 is a ring-shaped structure with a notch and includes a fastening structure that can adjust the size of the notch. When the clamp structure is used to secure the first shaft 7 and the output shaft, the fastening structure of the clamp 10 reduces the diameter of the inner hole of the clamp 10, thereby compressing the small sleeve 704 to reduce the inner hole diameter, thereby securing the output shaft and the first shaft 7 through friction.
[0131] Continue as Figure 18 As shown, in order to facilitate adjustment of the inner hole diameter of the clamp 10 , a deformation groove 1001 can be opened on the inner hole wall of the clamp 10 . The deformation groove 1001 extends along the axial direction of the inner hole and extends to the two end faces of the clamp 10 .
[0132] The number of deformation grooves 1001 can be adaptively designed according to needs, and this application does not make any specific restrictions. For example, one, two or three deformation grooves 1001 can be provided.
[0133] In this embodiment, the first shaft 7 and the output shaft of the motor are fixedly connected by friction, and there is no clearance between the two. That is, the first shaft 7 and the output shaft can rotate synchronously, which can effectively improve the stability of the operation of the motion component.
[0134] Furthermore, in some embodiments, the second swing arm 4 is rotatably connected to the first mounting base 1 via the second shaft 11 .
[0135] The second shaft 11 may be an independent component, or may be a shaft structure integrated into the second swing arm 4 or the first mounting seat 1 .
[0136] For example, when the second shaft 11 is an independent component, the second shaft 11 is rotatably connected to one of the second swing arm 4 and the first mounting base 1, and is fixedly connected to the other. The following description takes the example of the second shaft 11 being fixedly connected to the second swing arm 4 and rotatably connected to the first mounting base 1.
[0137] Specifically, such as Figure 19 and Figure 20 As shown, the end of the second swing arm 4 connected to the second shaft 11 is provided with a second connecting groove 401. The bottom of the second connecting groove 401 has a third connecting hole 402, and the end surface of the second connecting groove 401 is formed into an elliptical shape. The end of the second shaft 11 connected to the second swing arm 4 has a protruding second connecting protrusion 1101. The shape of the second connecting protrusion 1101 is adapted to the second connecting groove 401, and the end surface of the second connecting protrusion 1101 is provided with a third threaded hole 1102 at the position corresponding to the second connecting hole 302.
[0138] Under the above structure, the assembly method and beneficial effects of the second swing arm 4 and the second shaft 11 can refer to the assembly method and beneficial effects of the first swing arm 3 and the first shaft 7 above, and this application will not repeat them here.
[0139] like Figure 1 As shown, second bearing seats 12 are provided on opposite sides of the first mounting seat 1 in the axial direction of the second shaft 11. These second bearing seats 12 are fixedly connected to the first mounting seat 1. Furthermore, a through-hole is provided in the first mounting seat 1 directly opposite the bearing seat. During assembly, the first shaft 7 passes through the through-hole and extends through the first mounting seat 1. It is connected to the second bearing seats 12 on either side of the first mounting seat 1 via bearings, thereby achieving a rotational connection between the first shaft 7 and the first mounting seat 1. Providing bearing seats on opposite sides of the first mounting seat 1 connected to the first shaft 7 effectively disperses stress, thereby improving the stability of the connection between the first shaft 7 and the first mounting seat 1.
[0140] In specific implementation, the second bearing seat 12 can be set only on one side of the first mounting seat 1, or when the mounting plate 101 of the first mounting seat 1 meets the installation requirements of the bearing, the bearing can also be directly installed on the first mounting seat 1.
[0141] Furthermore, the transmission structure 6 is connected between the first shaft 7 and the second shaft 11. That is, the transmission structure 6 can realize the synchronous rotation of the first shaft 7 and the second shaft 11, thereby enabling the first driving member 5 to drive the first swing arm 3 and the second swing arm 4 to rotate synchronously.
[0142] In some embodiments, as Figure 1 As shown, the transmission structure 6 includes a first sprocket 601 and a second sprocket 602 .
[0143] The first sprocket 601 is sleeved on the outer circumference of the first shaft 7 .
[0144] The second sprocket 602 is sleeved on the outer side of the circumference of the second shaft 11 .
[0145] The first sprocket 601 and the second sprocket 602 are connected by a chain 603. Furthermore, a tensioning pulley set is provided between the first sprocket 601 and the second sprocket 602 for tensioning the chain 603. The provision of the tensioning pulley set reduces the clearances between the chain 603 and the first sprocket 601, and between the chain 603 and the second sprocket 602, thereby improving the synchronization between the first swing arm 3 and the second swing arm 4 and making the operation of the motion assembly more stable.
[0146] like Figure 2 As shown, the chain 603 includes a first side 6031 and a second side 6032 arranged opposite to each other, the tensioning wheel assembly is located between the first side 6031 and the second side 6032, and includes a first tensioning wheel 604 for pressing the first side 6031, and a second tensioning wheel 605 for pressing the second side 6032.
[0147] In a specific implementation, the first tensioning wheel 604 and the second tensioning wheel 605 may have the same structure, or the first tensioning wheel 604 and the second tensioning wheel 605 may also have two different tensioning wheel structures.
[0148] As mentioned above, the display screen needs to be able to move within the vehicle body to a position directly in front of the front passenger and the driver. Based on this requirement, to facilitate the movement of the display screen, the first driving member 5 needs to be able to drive the first swing arm 3 and the second swing arm 4 to reciprocate. During the reciprocating motion of the first swing arm 3 and the second swing arm 4, the first side 6031 and the second side 6032 of the chain 603 alternately serve as the slack side of the chain 603. In this embodiment, a first tensioning wheel 604 is provided to compress the first side 6031 of the chain 603, and a second tensioning wheel 605 is provided to compress the second side 6032 of the chain 603, so that the first side 6031 and the second side 6032 of the chain 603 are always in a taut state. In this way, regardless of which side of the chain 603 is the slack side, the tensioning wheel assembly can effectively reduce the clearance between the chain 603 and the sprockets, thereby improving the operational stability of the motion assembly.
[0149] In some embodiments, as Figure 21-25 As shown, the first tensioning wheel 604 includes a first fixing seat 6042 and a first tensioning wheel body 6041 .
[0150] The first fixing seat 6042 is fixedly connected to the first mounting seat 1; the first tensioning wheel body 6041 is movably mounted on the first fixing seat 6042 along the alignment direction of the first side 6031 and the second side 6032, for adjusting the tension of the first side 6031. By adjustably mounting the first tensioning wheel 604 on the first mounting seat 1, the tension of the chain 603 can be adjusted as needed, thereby further facilitating the stable operation of the transmission structure 6.
[0151] Continue as Figure 21-25 As shown, the first tensioning wheel body 6041 is slidably connected to the first fixing seat 6042 through the tensioning wheel shaft 6044.
[0152] Specifically, a sliding groove is defined on the first fixed seat 6042, extending along the arrangement direction of the first side 6031 and the second side 6032. Furthermore, a limiting protrusion is defined on the sidewall of the sliding groove, extending along the arrangement direction of the first side 6031 and the second side 6032. The tensioning wheel shaft 6044 is rotatably connected to the first tensioning wheel body 6041. Furthermore, a limiting connection portion 201 is defined at one end of the tensioning wheel shaft 6044 connected to the first fixed seat 6042. The limiting connection portion 201 is slidably connected to the sliding groove on the first fixed seat 6042, and a limiting groove matching the limiting protrusion is defined at a position corresponding to the limiting protrusion on the limiting connection portion 201. In this manner, the tensioning wheel shaft 6044 can only move relative to the first fixed seat 6042 along the arrangement direction of the first side 6031 and the second side 6032.
[0153] Furthermore, an adjustment screw 6043 is provided within the chute, extending along the alignment direction of the first side 6031 and the second side 6032. The adjustment screw 6043 is rotatably connected to the first fixing seat 6042 and is threadedly connected to the limiting connection portion 201 of the tensioning wheel shaft 6044. Rotating the adjustment screw 6043 drives the tensioning wheel shaft 6044 to move the first tensioning wheel body 6041 along the length direction of the chute (i.e., the alignment direction of the first side 6031 and the second side 6032). Furthermore, the threaded connection between the adjustment screw 6043 and the first tensioning wheel 604 has a self-locking function. That is, when no force is applied to rotate the adjustment screw 6043, the first tensioning wheel body 6041 can be fixed relative to the first fixing seat 6042. This avoids the need for an additional locking structure, thereby simplifying the structure and reducing costs.
[0154] The second tensioning wheel 605 includes a second fixing base and a second tensioning wheel 605 body. The second fixing base is fixedly connected to the second mounting base 2. The second tensioning wheel 605 body is movably disposed on the second fixing base along the alignment direction of the second side 6032 and the second side 6032 to adjust the tension of the second side 6032. The specific configuration of the second tensioning wheel 605 can be referred to the first tensioning wheel 604 and will not be repeated here.
[0155] In some embodiments, as Figure 1-Figure 3 As shown, in the extension direction of the first axis 7, the first axis 7 and the second axis 11 both pass through the first mounting base 1, the driving mechanism and the first swing arm 3 are distributed on opposite sides of the first mounting base 1, and the driving mechanism and the second swing arm 4 are distributed on opposite sides of the first mounting base 1.
[0156] Compared with the driving mechanism, the first swing arm 3 and the second swing arm 4 being located on the same side of the first mounting seat 1, the arrangement in this embodiment distributes the driving mechanism and the swing arms of the motion component (including the first swing arm 3 and the second swing arm 4) on opposite sides of the first mounting seat 1, which can improve the uniformity of the force on the first mounting seat 1, thereby helping to improve the stability of the motion component.
[0157] The basic principles of the present application have been described above in conjunction with specific embodiments. However, it should be noted that the advantages, strengths, and effects mentioned in this application are merely illustrative and not restrictive, and it should not be assumed that these advantages, strengths, and effects are required of each embodiment of this application. In addition, the specific details disclosed above are merely illustrative and facilitating understanding, and are not restrictive. The above details do not limit this application to necessarily being implemented using the above specific details.
[0158] The block diagrams of the devices, devices, equipment, and systems involved in this application are merely illustrative examples and are not intended to require or imply that they must be connected, arranged, or configured in the manner shown in the block diagrams. As will be appreciated by those skilled in the art, these devices, devices, equipment, and systems can be connected, arranged, or configured in any manner. Words such as "include," "comprise," "have," and the like are open-ended words, meaning "including but not limited to," and can be used interchangeably therewith. The words "or" and "and" used herein refer to the words "and / or" and can be used interchangeably therewith, unless the context clearly indicates otherwise. The word "such as" used herein refers to the phrase "such as but not limited to," and can be used interchangeably therewith.
[0159] It should also be noted that in the apparatus, device, and method of the present application, each component or each step can be decomposed and / or recombined, and such decomposition and / or recombination should be regarded as equivalent solutions of the present application.
[0160] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other aspects without departing from the scope of the present application. Therefore, the present application is not intended to be limited to the aspects shown herein, but rather to be accorded the widest scope consistent with the principles and novel features disclosed herein.
[0161] It should be understood that the qualifiers "first", "second", "third", "fourth", "fifth" and "sixth" used in the description of the embodiments of the present application are only used to more clearly illustrate the technical solutions and cannot be used to limit the scope of protection of the present application.
[0162] The above description has been provided for the purpose of illustration and description. Furthermore, this description is not intended to limit the embodiments of the present application to the forms disclosed herein. Although a number of example aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, alterations, additions, and sub-combinations thereof.
Claims
1. A motion component, characterized in that: It includes a connecting rod mechanism and a driving mechanism; The linkage mechanism includes a first mounting seat, a second mounting seat, a first swing arm, and a second swing arm; the second mounting seat has a mounting portion for assembling a load, two ends of the first swing arm are rotatably connected to the first mounting seat and the second mounting seat, respectively, and two ends of the second swing arm are rotatably connected to the first mounting seat and the second mounting seat, respectively. The driving mechanism is mounted on the first mounting seat and includes a first driving member and a transmission structure, wherein the first driving member is connected to the first swing arm, and the transmission structure is connected between the first swing arm and the second swing arm; or, The driving mechanism is installed on the first mounting seat and includes a first driving member and a second driving member. The first driving member is connected to the first swing arm and is used to drive the first swing arm to rotate. The second driving member is connected to the second swing arm and is used to drive the second swing arm to rotate.
2. The motion assembly according to claim 1, characterized in that When the driving mechanism is mounted on the first mounting seat and includes a first driving member and a transmission structure, the first swing arm is rotatably connected to the first mounting seat via a first shaft; The first driving member is a motor, and the output shaft of the motor is coaxially connected to the first shaft.
3. The motion assembly according to claim 2, characterized in that The output shaft is connected to the first shaft via a clamp structure, and the clamp structure includes: a sleeve formed at an end of one of the first shaft and the output shaft and capable of being sleeved on an outer circumference of the other; and a side wall of the sleeve having a notch extending along its axial direction; The clamp is sleeved on the outer peripheral side of the sleeve.
4. The motion assembly according to claim 2, characterized in that The motion assembly further includes a motor connecting seat, wherein opposite ends of the motor connecting seat are connected to the motor and the first mounting seat respectively in the axial direction of the first shaft; The first shaft is fixedly connected to the first swing arm, and the end of the motor connecting seat connected to the first mounting seat has a protruding first bearing seat. The first shaft is connected to the first bearing seat through a bearing to realize the rotational connection between the first swing arm and the first mounting seat; the first mounting seat has a through hole at a position corresponding to the first bearing seat, and the through hole can accommodate the part of the first bearing seat protruding from the motor connecting seat.
5. The motion assembly according to claim 1, characterized in that When the driving mechanism is installed on the first mounting seat and includes a first driving member and a transmission structure, the first swing arm is rotatably connected to the first mounting seat through a first shaft, and the second swing arm is rotatably connected to the first mounting seat through a second shaft; the transmission structure is connected between the first shaft and the second shaft.
6. The motion assembly according to claim 5, characterized in that The transmission structure includes: a first sprocket, sleeved on the outer circumference of the first shaft; a second sprocket, sleeved on the outer circumference of the second shaft; The first sprocket and the second sprocket are connected via a chain transmission; and a tensioning wheel set for tensioning the chain is provided between the first sprocket and the second sprocket.
7. The motion assembly according to claim 6, characterized in that The chain includes a first side and a second side that are oppositely arranged. The tensioning wheel assembly is located between the first side and the second side and includes a first tensioning wheel for pressing the first side and a second tensioning wheel for pressing the second side.
8. The motion assembly according to claim 7, characterized in that The first tensioning wheel comprises a first fixing seat and a first tensioning wheel body, wherein the first fixing seat is fixedly connected to the first mounting seat; the first tensioning wheel body is movably arranged on the first fixing seat along the arrangement direction of the first side and the second side to adjust the tension of the first side; and / or The second tensioning wheel includes a second fixed seat and a second tensioning wheel body, and the second fixed seat is fixedly connected to the second mounting seat; the second tensioning wheel body is movably arranged on the second fixed seat along the arrangement direction of the second side and the second side to adjust the tension of the second side.
9. The motion assembly according to claim 5, characterized in that In the extension direction of the first axis, the first axis and the second axis both pass through the first mounting seat, the driving mechanism and the first swing arm are distributed on opposite sides of the first mounting seat, and the driving mechanism and the second swing arm are distributed on opposite sides of the first mounting seat.
10. A vehicle, characterized in that: The vehicle comprises a vehicle body and an instrument panel assembly disposed inside the vehicle body, wherein the instrument panel assembly comprises: Display screen; a fixed beam connected to the vehicle body; The motion component is the motion component according to any one of claims 1 to 9, wherein the first mounting seat of the motion component is connected to the fixed beam, and the display screen is assembled on the second mounting seat of the motion component as a load.