Vehicle-mounted armrest screen adjusting mechanism

Abstract

The utility model relates to a vehicle-mounted armrest screen adjusting mechanism which comprises a base and a display screen rotationally arranged on the base and further comprises an adjusting assembly. The adjusting assembly comprises a transmission shaft rotationally arranged on the base, a driving unit for driving the transmission shaft to rotate, a push rod slidably arranged on the base and in transmission connection with the transmission shaft, and a jacking column abutting against the push rod, and the transmission shaft rotates to drive the push rod to move so as to extrude the jacking column, so that the jacking column ascends and descends; the driving unit comprises a driving piece arranged on the base, a transmission piece rotationally arranged on the transmission shaft in a sleeving mode and connected with the driving piece in a driving mode, and a clutch arranged at the end of the transmission shaft in a sleeving mode and connected with the transmission piece in an abutting mode, and the driving piece can drive the transmission piece to rotate; the transmission part drives the transmission shaft to rotate through the clutch; when friction force between the clutch and the transmission part is smaller than torsion between the clutch and the transmission part, the transmission part independently rotates relative to the clutch and the transmission shaft. The vehicle-mounted armrest screen adjusting mechanism has a crumple function, and the problem that a display screen or an adjusting assembly is damaged due to external force is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle-mounted display screens, in particular to an adjusting mechanism for a vehicle-mounted armrest screen. Background Art

[0002] With the development of automotive technology, automotive intelligent cockpits are becoming more and more popular in vehicles. In order to provide a better experience for customers, various automotive manufacturers are equipping their vehicles with multiple display screens for passengers to operate and entertain. Many intelligent cockpits are equipped with rotatable display screens at the armrest position for passengers to centrally control various functions, such as seat adjustment, air conditioning adjustment, etc. However, during the rotation process of adjusting the angle of the display screen, if it is affected by an external force, it may cause damage to the display screen or the adjustment components. Summary of the Utility Model

[0003] Aiming at the above problems, the purpose of the utility model is to design an adjusting mechanism for a vehicle-mounted armrest screen, which has a collapse function and solves the problem of damage to the display screen or the adjustment components caused by external forces.

[0004] The purpose of the utility model is achieved by the following technical solutions:

[0005] An adjusting mechanism for a vehicle-mounted armrest screen is designed, which includes a base and a display screen rotatably arranged on the base. It also includes an adjustment component. The adjustment component includes a transmission shaft rotatably arranged on the base, a driving unit for driving the transmission shaft to rotate, a push rod slidably arranged on the base and in transmission connection with the transmission shaft, and a jacking column abutted against the push rod. The rotation of the transmission shaft can drive the push rod to move to squeeze the jacking column, so that the jacking column rises and falls. The driving unit includes a driving part arranged on the base, a transmission part rotatably sleeved on the transmission shaft and in driving connection with the driving part, and a clutch sleeved on the end of the transmission shaft and abutted against the transmission part. The driving part can drive the transmission part to rotate. When the friction force between the clutch and the transmission part is greater than the torsion force between the two, the transmission part drives the transmission shaft to rotate through the clutch. When the friction force between the clutch and the transmission part is less than the torsion force between the two, the transmission part rotates independently relative to the clutch and the transmission shaft.

[0006] The vehicle armrest screen adjustment mechanism designed in this scheme can realize the rotation adjustment of the display screen. At the same time, the adjustment component has a collapse function, which can prevent the display screen or the adjustment component from being damaged by external forces during the rotation of the display screen or after the rotation stops. The adjustment component is arranged on the side of the base away from the display screen. A through hole is arranged on the base. The driving unit drives the transmission shaft to rotate and drive the push rod to move. In the process of the push rod moving backward, the lifting column is squeezed, so that the lifting column rises from the through hole of the base to rotate and rise the display screen; on the contrary, when the push rod moves forward, the lifting column is gradually released, so that the lifting column drops from the through hole of the base to make the display screen fall back to a horizontal position. A clutch structure is arranged between the driving member and the transmission shaft to realize the collapse function of the adjustment component. The clutch and the transmission member are frictionally connected. When working normally, the power is transmitted between the two through friction, so that the two can rotate synchronously; when the torque between the two is greater than the friction, the two rotate relative to each other. Specifically, the driving member drives the transmission member to rotate, and the transmission member relies on the friction force to drive the clutch to rotate. Since the clutch and the transmission shaft are clamped and fixedly connected, the transmission shaft rotates with the clutch, thereby causing the display screen to rotate. When the display screen is blocked and cannot rotate by external force, the transmission shaft cannot rotate, which increases the torque between the transmission member and the clutch, and causes relative rotation between the two, thereby protecting the driving member from damage. When the display screen is rotated and raised, when it is subjected to external force, the display screen and the lifting column descend, and the threaded connection between the push rod and the transmission shaft does not have a self-locking function, the push rod moves to drive the transmission shaft to reverse, and the clutch and the transmission member rotate relative to each other, thereby protecting the display screen and the adjustment component from damage.

[0007] Furthermore, the clutch includes a friction plate, a first elastic member, a retaining ring, and a clamping member fixed on the transmission shaft in sequence, the friction plate abuts against the transmission member, the two ends of the first elastic member abut against the friction plate and the retaining ring respectively, and the clamping member abuts against the side of the retaining ring away from the first elastic member.

[0008] The friction plate clamping sleeve is arranged on the transmission shaft, so that the friction plate can drive the transmission shaft to rotate. A first elastic member is arranged on the side of the friction plate away from the transmission member. The first elastic member can be a spring. After the spring is compressed, the end away from the friction plate is blocked by the retaining ring, and then the elastic force of the spring is used to press the friction plate and the transmission member, so that there is sufficient friction between the two for transmission.

[0009] Furthermore, the end of the transmission shaft that cooperates with the clutch is in the shape of a round-head flat key, the friction plate is provided with an oblong hole, and the transmission shaft is passed through the oblong hole.

[0010] The center of the friction plate is provided with an oblong hole, and the end of the transmission shaft is in the shape of a round head flat key. A keyed structure is formed between the two, so that the friction plate cannot rotate around the transmission shaft. Therefore, when it is sleeved on the transmission shaft, it can drive the transmission shaft to rotate. At the same time, the keyed structure also facilitates the disassembly and replacement of the friction plate.

[0011] Further, sliding grooves are provided in parallel at positions on both sides of the transmission shaft on the base, the push rod is provided with a sliding part, and the sliding part is embedded in the sliding groove.

[0012] By providing a sliding groove on the base that cooperates with the sliding part, it not only plays a guiding role, but also enables the push rod to move smoothly under the drive of the transmission shaft, reducing the jitter during the operation of the adjustment component and making the display screen rotate more smoothly.

[0013] Further, the jacking column includes a jacking part that can abut against the display screen, a sliding part that abuts against the push rod, and connecting parts that are elastically connected to the base and are located on both sides of the sliding part. The base is provided with a through hole through which the jacking part can pass and is located at the back position of the display screen.

[0014] The sliding part and the connecting part are arranged on the side of the jacking part away from the contact with the display screen. The sliding part is composed of a support block and a rotating column rotatably arranged on the support block. During the process of the push rod moving and abutting against and squeezing the sliding part, the rotating column rotates to reduce the friction force between the two and avoid wear.

[0015] Further, the connecting part is provided with a guiding hole, the base is provided with a guiding column passing through the guiding hole, and a second elastic member is sleeved on the guiding column. The two ends of the second elastic member respectively abut against the connecting part and the base.

[0016] The structural design of the guiding hole and the guiding column enables the jacking column to lift and lower smoothly. The second elastic member can be a spring. After the jacking column is squeezed and lifted, the spring is compressed. When the push rod slowly releases and the jacking column descends, the elastic force of the spring enables the jacking column to descend as the push rod moves, avoiding the problem that the jacking column is stuck and cannot fall only by its own gravity.

[0017] Further, the push rod includes a concave part covering the sliding part. The concave part includes a horizontal plane for carrying the sliding part and an inclined plane connected to the horizontal plane. When the push rod moves, the inclined plane can squeeze the sliding part to lift and lower the jacking column.

[0018] When the push rod does not move, the sliding part of the jacking column is on the horizontal plane of the concave part. At this time, the horizontal plane of the concave part plays a role in carrying the jacking column; when the push rod moves, the inclined plane of the concave part contacts and gradually squeezes the sliding part, enabling the jacking column to rise.

[0019] Furthermore, it also includes a claw rotatably arranged on the base for clamping the display screen, the claw is transmission-connected with the push rod, and the movement of the push rod can drive the claw to rotate to clamp or release the display screen.

[0020] In order to prevent the display screen from shaking on the base when the car is driving, a claw for clamping the display screen is provided on the base, and the claw is connected to the push rod. When the push rod moves backward, the claw is first driven to rotate to loosen the display screen, and then the jacking column lifts up the display screen; when the push rod moves forward, the jacking column is first lowered, the display screen returns to its original position, and then the claw is driven to rotate to clamp the display screen.

[0021] Furthermore, the push rod is provided with a track groove, and the clamping claw is provided with a connecting block embedded in the track groove. The movement of the push rod can drive the connecting block to slide along the track groove to rotate the clamping claw.

[0022] A cylindrical connecting block is movably inserted on the side of the claw, and a track groove is opened at the position opposite to the side of the push rod and the claw. The connecting block passes through the track groove and is inserted and fixed on the claw. During the movement of the push rod, the connecting block can slide in the track groove, thereby driving the claw to rotate.

[0023] Furthermore, a slot cooperating with the claw is provided on the side of the display screen, a rotating slot is provided on the side of the display screen opposite to the slot, a rotating block is provided on the base, the rotating block is embedded in the rotating slot, and the display screen can rotate with the rotating block as a rotating axis.

[0024] A cavity is provided on the base for horizontally embedding the display screen, a rotating block is provided on the side wall of the cavity, and a rotating groove is provided on the side of the display screen. The rotating block can be embedded in the rotating groove. When the display screen is lifted up, the display screen rotates with the rotating block as the rotating axis. At the same time, the rotating block and the rotating groove are in the form of a movably connected state, and the two can be separated, so that the display screen can be removed separately for use.

[0025] Compared with the prior art, the beneficial effects of the utility model are:

[0026] The vehicle armrest screen adjustment mechanism designed in this scheme can realize the rotation adjustment of the display screen. At the same time, the adjustment component has a collapse function, which can prevent the display screen or the adjustment component from being damaged by external forces during the rotation of the display screen or after the rotation stops. The adjustment component is arranged on the side of the base away from the display screen. A through hole is arranged on the base. The driving unit drives the transmission shaft to rotate and drive the push rod to move. In the process of the push rod moving backward, the lifting column is squeezed, so that the lifting column rises from the through hole of the base to rotate and rise the display screen; on the contrary, when the push rod moves forward, the lifting column is gradually released, so that the lifting column drops from the through hole of the base to make the display screen fall back to a horizontal position. A clutch structure is arranged between the driving member and the transmission shaft to realize the collapse function of the adjustment component. The clutch and the transmission member are frictionally connected. When working normally, the power is transmitted between the two through friction, so that the two can rotate synchronously; when the torque between the two is greater than the friction, the two rotate relative to each other. Specifically, the driving member drives the transmission member to rotate, and the transmission member relies on the friction force to drive the clutch to rotate. Since the clutch and the transmission shaft are clamped and fixedly connected, the transmission shaft rotates with the clutch, thereby causing the display screen to rotate. When the display screen is blocked and cannot rotate by external force, the transmission shaft cannot rotate, which increases the torque between the transmission member and the clutch, and causes relative rotation between the two, thereby protecting the driving member from damage. When the display screen is rotated and raised, when it is subjected to external force, the display screen and the lifting column descend, and the threaded connection between the push rod and the transmission shaft does not have a self-locking function, the push rod moves to drive the transmission shaft to reverse, and the clutch and the transmission member rotate relative to each other, thereby protecting the display screen and the adjustment component from damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a structural diagram of a vehicle armrest screen adjustment mechanism according to one embodiment of the utility model.

[0028] Figure 2 This is a structural diagram of a display screen and a base separated from each other in one embodiment of the utility model.

[0029] Figure 3 This is a structural diagram of an adjustment component according to an embodiment of the present utility model.

[0030] Figure 4 This is a structural diagram of the adjustment component from another perspective of an embodiment of the utility model.

[0031] Figure 5 This is an exploded view of the cooperation between the transmission shaft, transmission member and clutch in one embodiment of the utility model.

[0032] Figure 6 This is a structural diagram of a jacking column according to an embodiment of the utility model.

[0033] Figure 7 This is a structural diagram of a push rod according to an embodiment of the utility model.

[0034] Figure 8 This is a structural diagram of a jaw in an embodiment of the present utility model.

[0035] Illustration: 1. Base; 2. Display screen; 3. Adjusting assembly; 4. Jaw; 11. Through hole; 12. Chute; 13. Guide post; 14. Second elastic member; 15. Rotating block; 21. Card slot; 22. Rotating groove; 31. Transmission shaft; 32. Driving unit; 33. Push rod; 34. Lifting post; 41. Connecting block; 321. Driving member; 322. Transmission member; 323. Clutch; 331. Sliding portion; 332. Concave portion; 333. Trajectory groove; 341. Lifting portion; 342. Sliding portion; 343. Connecting portion; 3231. Friction plate; 3232. First elastic member; 3233. Retaining ring; 3234. Clamping member; 3321. Horizontal plane; 3322. Inclined plane; 3431. Guide hole. Specific embodiments

[0036] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present utility model are given in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein.

[0037] As Figures 1 to 8As shown, the utility model provides a vehicle-mounted armrest screen adjustment mechanism, comprising a base 1, and a display screen 2 rotatably arranged on the base 1, a cavity for horizontally embedding the display screen 2 is provided on the base 1, a rotating block 15 is provided on the side wall of the cavity, a rotating groove 22 is opened on the side of the display screen 2, the rotating block 15 can be embedded in the rotating groove 22, and the display screen 2 can be rotated with the rotating block 15 as a rotating axis; at the same time, the rotating block 15 and the rotating groove 22 are in the form of a movably connected form, and the two can be separated, so that the display screen 2 can be removed separately for use. An adjustment component 3 for driving the display screen 2 to rotate is arranged on the side of the base 1 away from the display screen 2, and the adjustment component 3 includes a transmission shaft 31 rotatably arranged on the base 1, a driving unit 32 for driving the transmission shaft 31 to rotate, a push rod 33 slidably arranged on the base 1 and drivingly connected to the transmission shaft 31, and a lifting column 34 abutting against the push rod 33; in this embodiment, the transmission connection mode of the transmission shaft 31 and the push rod 33 adopts a transmission mode of a screw and a nut, and the transmission shaft 31 adopts a screw without a self-locking function, the screw is rotatably arranged on the base 1 through a bearing, and the push rod 33 is threadedly connected to the screw through a nut. In addition, the transmission connection mode of the transmission shaft 31 and the push rod 33 can also adopt other forms, such as the transmission shaft 31 adopts a gear, and the push rod 33 is transmission-connected to the gear through a rack. Two supporting walls are arranged in parallel on both sides of the transmission shaft 31, and a slide groove 12 is provided on the supporting wall, and the sliding part 331 of the push rod 33 is embedded in the slide groove 12; the driving unit 32 drives the transmission shaft 31 to rotate, and then drives the push rod 33 to move along the slide groove 12 to squeeze the lifting column 34, so that the lifting column 34 can be raised or lowered; the base 1 is provided with a through hole 11 located at the back of the display screen 2 for the lifting column 34 to pass through; so that the lifting column 34 passes through the through hole 11 to control the rotation of the display screen 2. By providing the slide groove 12 matched with the sliding part 331 on the base 1, it not only plays a guiding role, but also enables the push rod 33 to move smoothly under the drive of the transmission shaft 31, reducing the shaking of the adjustment component 3 during operation, and making the display screen 2 rotate more smoothly. The driving unit 32 includes a driving member 321 disposed on the base 1, a transmission member 322 rotatably mounted on the transmission shaft 31 and drivingly connected to the driving member 321, and a clutch 323 mounted on the end of the transmission shaft 31 and abutting against the transmission member 322. The driving member 321 can drive the transmission member 322 to rotate. When the friction between the clutch 323 and the transmission member 322 is greater than the torque between the two, the transmission member 322 drives the transmission shaft 31 to rotate through the clutch 323; when the friction between the clutch 323 and the transmission member 322 is less than the torque between the two, the transmission member 322 rotates independently relative to the clutch 323 and the transmission shaft 31. The driving member 321 adopts a driving motor, which is fixed on the base 1, and a worm is connected to its output end. The transmission member 322 adopts a gear meshing with the worm.

[0038] The vehicle armrest screen adjustment mechanism of this embodiment can realize the rotation adjustment of the display screen 2, and the adjustment component 3 has a collapse function, which can prevent the display screen 2 or the adjustment component 3 from being damaged by external force during the rotation of the display screen 2 or after the rotation stops. The driving unit 32 drives the transmission shaft 31 to rotate and drive the push rod 33 to move. In the process of the push rod 33 moving backward, the lifting column 34 is squeezed, so that the lifting column 34 rises from the through hole 11 of the base 1 to rotate and lift the display screen 2; on the contrary, when the push rod 33 moves forward, the lifting column 34 is gradually released, so that the lifting column 34 drops from the through hole 11 of the base 1 to make the display screen 2 fall back to a horizontal position. A clutch structure is set between the driving member 321 and the transmission shaft 31 to realize the collapse function of the adjustment component 3. The clutch 323 and the transmission member 322 are frictionally connected. When working normally, the friction force is used to realize the power transmission between the two, so that the two can rotate synchronously; when the torque between the two is greater than the friction force, the two rotate relative to each other. Specifically, the driving member 321 drives the transmission member 322 to rotate, and the transmission member 322 drives the clutch 323 to rotate by means of friction. Since the clutch 323 is clamped and fixedly connected with the transmission shaft 31, the transmission shaft 31 rotates with the clutch 323, thereby causing the display screen 2 to rotate. When the display screen 2 is blocked by external force and cannot rotate, the transmission shaft 31 cannot rotate, so that the torque between the transmission member 322 and the clutch 323 increases, and relative rotation occurs between the two. At this time, the driving member 321 drives the transmission member 322 to idle, thereby protecting the driving member 321 from damage; when the display screen 2 stops rotating, when subjected to external force, the display screen 2 and the lifting column 34 descend, and the push rod 33 and the transmission shaft 31 do not have a self-locking function, then the push rod 33 moves to drive the transmission shaft 31 to reverse, and the clutch 323 and the transmission member 322 rotate relative to each other, thereby protecting the display screen 2 and the adjustment component 3 from damage.

[0039] like Figures 3 to 5As shown, the clutch 323 includes a friction plate 3231, a first elastic member 3232, a retaining ring 3233, and a clamping member 3234 which is clamped and fixed on the transmission shaft 31 in sequence. The friction plate 3231 abuts against the transmission member 322. The two ends of the first elastic member 3232 abut against the friction plate 3231 and the retaining ring 3233 respectively. The retaining member 3234 abuts against the side of the retaining ring 3233 away from the first elastic member 3232. The end of the transmission shaft 31 that matches the clutch 323 is in the shape of a round head flat key. The friction plate 3231 is provided with an oblong hole, and the transmission shaft 31 is passed through the oblong hole. A keying structure is formed between the friction plate 3231 and the transmission shaft 31, so that the friction plate 3231 cannot rotate around the transmission shaft 31. Therefore, it is sleeved on the transmission shaft 31 to drive the transmission shaft 31 to rotate. A first elastic member 3232 is arranged on the side of the friction plate 3231 away from the transmission member 322. The first elastic member 3232 can be a spring. After the spring is compressed, the end away from the friction plate 3231 is blocked by the retaining ring 3233, and then the elastic force of the spring is used to press the friction plate 3231 and the transmission member 322 together, so that there is sufficient friction between the two for transmission.

[0040] like Figure 3 , Figure 4 and Figure 6 As shown, the lifting column 34 includes a lifting part 341 that can pass through the through hole 11 and abut against the display screen 2, a sliding part 342 abutting against the push rod 33, and a connecting part 343 elastically connected to the base 1 and located on both sides of the sliding part. The connecting part 343 is provided with a guide hole 3431, and the base 1 is provided with a guide column 13 passing through the guide hole 3431. The guide column 13 is sleeved with a second elastic member 14, and the two ends of the second elastic member 14 abut against the connecting part 343 and the base 1 respectively. The sliding part 342 and the connecting part 343 are arranged on the side of the lifting part 341 away from the contact with the display screen 2. The sliding part 342 is composed of a support block and a rotating column rotatably arranged on the support block. In the process of the push rod 33 moving to abut and squeeze the sliding part 342, the rotating column rotates to reduce the friction between the two to avoid wear. The structural design of the guide hole 3431 and the guide column 13 enables the jacking column 34 to be raised and lowered smoothly. The second elastic member 14 can be a spring. After the jacking column 34 is squeezed and lifted, the spring is compressed. When the push rod 33 slowly releases the jacking column 34 to descend, the elastic force of the spring enables the jacking column 34 to descend with the movement of the push rod 33, thereby avoiding the problem that the jacking column 34 is stuck and cannot fall only by its own gravity.

[0041] like Figure 3 and Figure 6As shown in the figure, the push rod 33 includes a concave portion 332 covering the sliding portion 342. The concave portion 332 includes a horizontal plane 3321 for bearing the sliding portion 342 and an inclined plane 3322 connected to the horizontal plane 3321. When the push rod 33 moves, the inclined plane 3322 can squeeze the sliding portion 342 to lift and lower the lifting column 34. When the push rod 33 does not move, the sliding portion 342 of the lifting column 34 is on the horizontal plane 3321 of the concave portion 332. At this time, the horizontal plane 3321 of the concave portion 332 plays a role in bearing the lifting column 34. When the push rod 33 moves, the inclined plane 3322 of the concave portion 332 contacts and gradually squeezes the sliding portion 342, enabling the lifting column 34 to rise.

[0042] As Figure 1 , Figure 4 and Figure 8 As shown in the figure, in order to prevent the display screen 2 from shaking on the base 1 during the driving of the vehicle, a clamping jaw 4 for clamping the display screen 2 is rotatably arranged on the base 1. The display screen 2 is provided with a clamping groove 21 on the side opposite to the rotating groove 22 for cooperating with the clamping jaw 4. The clamping jaw 4 is in transmission connection with the push rod 33. A cylindrical connecting block 41 is movably inserted into the side surface of the clamping jaw 4. A track groove 333 is formed at the position of the push rod 33 opposite to the side surface of the clamping jaw 4. The connecting block 41 passes through the track groove 333 and is inserted and fixed on the clamping jaw 4. During the movement of the push rod 33, the connecting block 41 can slide in the track groove 333, thereby driving the clamping jaw 4 to rotate, so that the clamping jaw 4 can be inserted into or separated from the clamping groove 21, realizing clamping or releasing of the display screen 2. During the backward movement of the push rod 33, the push rod 33 first drives the clamping jaw 4 to rotate away from the clamping groove 21, and then the lifting column 34 lifts the display screen 2. During the forward movement of the push rod 33, the lifting column 34 first descends, the display screen 2 returns to its original position, and then the clamping jaw 4 is driven to rotate and inserted into the clamping groove 21 to clamp the display screen 2. The number of the clamping jaws 4 is at least one. In this embodiment, the number of the clamping jaws 4 is set to two. One of the clamping jaws 4 is in transmission connection with the push rod 33, and the two clamping jaws 4 are fixedly connected, so as to realize the synchronous movement of the two clamping jaws 4.

[0043] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0044] Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first", "second", etc. may explicitly or implicitly include one or more such features. In the description of the present utility model, "a plurality of" means two or more, unless otherwise specifically defined.

[0045] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A vehicle-mounted armrest screen adjustment mechanism, including a base and a display screen rotatably arranged on the base, characterized in that, The cam is connected to the transmission shaft via a rotatable mechanism, and the cam is connected to the transmission shaft via a rotatable mechanism. The cam is connected to the transmission shaft via a rotatable mechanism. The cam is connected to the transmission shaft via a rotatable mechanism.

2. The in-vehicle armrest screen adjusting mechanism according to claim 1, wherein The clutch includes a friction plate, a first elastic member, a retaining ring, and a clamping member fixed on the transmission shaft in sequence, the friction plate abuts against the transmission member, the two ends of the first elastic member abut against the friction plate and the retaining ring respectively, and the clamping member abuts against a side of the retaining ring away from the first elastic member.

3. The in-vehicle armrest screen adjustment mechanism according to claim 2, wherein The end of the transmission shaft that cooperates with the clutch is in the shape of a round head flat key, the friction plate is provided with an oblong hole, and the transmission shaft is passed through the oblong hole.

4. The vehicle-mounted armrest screen adjustment mechanism according to claim 1, characterized in that, The base is provided with sliding grooves in parallel at positions on both sides of the transmission shaft, and the push rod is provided with a sliding portion, and the sliding portion is embedded in the sliding grooves.

5. The in-vehicle armrest screen adjustment mechanism according to claim 1, wherein The lifting column includes a lifting part that can abut against the display screen, a sliding part that abuts against the push rod, and a connecting part that is elastically connected to the base and located on both sides of the sliding part. The base is provided with a through hole that allows the lifting part to pass through and is located at the back of the display screen.

6. The in-vehicle armrest screen adjusting mechanism according to claim 5, characterized in that, The connecting portion is provided with a guide hole, the base is provided with a guide column passing through the guide hole, a second elastic member is sleeved on the guide column, and two ends of the second elastic member are respectively in contact with the connecting portion and the base.

7. The vehicle-mounted armrest screen adjustment mechanism according to claim 5, characterized in that, The push rod includes an inner recessed portion covering the sliding portion, the inner recessed portion includes a horizontal surface for supporting the sliding portion, and an inclined surface connected to the horizontal surface. Movement of the push rod can cause the inclined surface to squeeze the sliding portion to lift the jacking column.

8. The vehicle-mounted armrest screen adjustment mechanism according to claim 1, characterized in that, It also includes a claw rotatably arranged on the base for clamping the display screen, the claw is transmission-connected with the push rod, and the movement of the push rod can drive the claw to rotate to clamp or release the display screen.

9. The vehicle-mounted armrest screen adjusting mechanism according to claim 8, characterized in that, The push rod is provided with a track groove, and the clamping claw is provided with a connecting block embedded in the track groove. The movement of the push rod can drive the connecting block to slide along the track groove to make the clamping claw rotate.

10. The in-vehicle armrest screen adjusting mechanism according to claim 8, characterized in that, The side of the display screen is provided with a slot that cooperates with the claw, the side of the display screen opposite to the slot is provided with a rotation slot, the base is provided with a rotating block, the rotating block is embedded in the rotating slot, and the display screen can rotate with the rotating block as a rotating axis.

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