CN201487507U - Visual angle adjusting device for flat-panel television and display - Google Patents

Abstract

The utility model discloses a device for adjusting the viewing angle of a flat-panel television and a display, comprising a lifting device, a horizontal rotation adjusting device and a screen pitch angle adjusting device. The lifting device, the horizontal rotation adjusting device and the screen pitch angle adjusting device can be used to conveniently and quickly adjust the viewing angle of the flat-panel television and the display, including the adjustment of parameters such as the horizontal height of the screen, the horizontal rotation and the pitch angle of the screen. The device has perfect functions and can be adjusted to the best viewing angle as required.

Description

A flat-panel TV and display viewing angle adjustment device

Technical field:

The utility model relates to a viewing angle adjustment device for a flat panel TV and a display.

Background technique:

In real life, with the rapid development of science and technology and the improvement of people's living standards, flat-panel TVs such as LCD TVs and plasma TVs, and electronic products such as LCD monitors have gradually become the main choices for people's life and work. Flat-panel TVs such as LCD TVs and plasma TVs and During the use of LCD monitors, sometimes it is necessary to adjust the best viewing angle according to the needs. In general products, the pitch angle and horizontal rotation of the screen can only be adjusted by hand, which is very inconvenient, especially for large-screen products. This problem is more prominent. Existing In the technology, there is a control circuit and device that integrates horizontal rotation adjustment in the TV support base, but this technology has a single function, and second, it increases the cost and weight of the TV, and is not conducive to the differentiated choices of different consumers. Therefore, There is a need for a device with complete functions, which can conveniently and quickly adjust the viewing angle of the screen, so as to make life and work more comfortable.

Utility model content:

In order to solve the above problems, the purpose of this utility model is to provide an adjustment device with perfect functions, which can conveniently and quickly adjust the viewing angle of the screen.

In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a flat panel TV, a display viewing angle adjustment device, including a support base and a flat panel TV, a display bracket, including a lifting device for adjusting the level of the flat panel TV and a display, adjusting the flat panel A horizontal rotation adjustment device for horizontally rotating TVs and monitors and a screen pitch angle adjustment device for adjusting flat screen TVs and monitor screen pitch angles, wherein,

The lifting device includes a lifting motor and a lifting transmission device connected to the lifting motor;

The horizontal rotation adjustment device includes a corner motor and a corner transmission device connected to the corner motor;

The screen pitch angle adjustment device includes a pitch angle motor and a pitch angle transmission device connected by transmission to the pitch angle motor.

Wherein, the pitch angle transmission device includes an adjustment screw connected to the pitch angle motor transmission shaft, an adjustment arm, an upper arm, a support arm, an upper support and a main support, and the pitch angle motor is fixedly connected to the support arm , one end of the support arm is fixedly connected to the lifting rod, the other end is movably connected to the main support, the upper end of the adjustment arm is movably connected to one end of the upper arm, the lower end is movably connected to the support arm, and the upper end of the adjustment arm A pitch angle gear meshed and matched with the adjusting screw is provided. One end of the upper support and the main support is fixedly connected to the flat-panel TV and the display bracket, and the other end is movably connected to the other end of the upper arm and the support arm respectively.

Wherein, the pitch angle transmission device includes a steel cable reel, a steel cable, a support arm, an upper support, a lower support and a main support connected to the drive shaft of the pitch angle motor, and the pitch angle motor is fixedly connected to the lifting On the rod, one end of the support arm is fixedly connected to the lifting rod, and the other end is movably connected to the main support. The steel cable is wound on the steel cable reel, and one end of the steel cable is connected to the upper support. The other end is connected with the lower support, and one end of the upper support and the main support is fixedly connected to the flat-panel TV and the monitor support, and the other end is movably connected with the other end of the upper arm and the support arm respectively.

Wherein, the pitch angle transmission device includes an adjustment screw connected to the pitch angle motor transmission shaft, an adjustment arm, an upper arm, a support arm, a lower arm, an upper support, a main support and a lower support, and the pitch The angle motor is fixedly connected to the support arm. One end of the support arm is fixedly connected to the lifting rod, and the other end is movably connected to the main support. The upper end of the adjustment arm is movably connected to one end of the upper arm, and the lower end is movably connected to the lower arm. One end of the adjustable arm is movably connected, and the middle part is movably connected with the support arm. The upper end of the adjustment arm is provided with a pitch angle gear meshed with the adjustment screw, and one end of the upper support, the main support and the lower support is fixedly connected to the The flat-panel TV and the monitor support are respectively movably connected with the other end of the upper force arm, the support arm and the lower force arm.

Wherein, the angle transmission device includes a driven gear and a drive gear, the drive gear is connected to the shaft of the angle motor, and its tooth surface meshes with the tooth surface of the driven gear. The lifting transmission device is provided with a lifting rod, a guide Cover and lifting screw, the lifting screw is connected with the lifting motor in transmission, the lifting rod is a pipe with an inner size larger than the lifting screw, and the lower end of the lifting rod is provided with a lifting nut that matches the lifting screw. The lifting screw is screwed into the lifting rod, and the guide sleeve is a pipe whose internal size is slidingly matched with the outer diameter of the lifting rod. The guide sleeve is sleeved on the outside of the lifting rod, and the lower end of the guide sleeve is fixedly connected with the support seat. , the outer edge of the lifting rod is provided with at least one guide groove along the axial direction, the driven gear is provided with a through hole slidingly matched with the outer diameter of the lifting rod and a convex line slidingly matched with the guide groove, the The driven gear is sheathed on the lifting rod and movably connected to the guide sleeve.

Wherein, the lifting device is also provided with a speed reducer, and the lifting nut set on the lifting rod is sleeved on the lifting screw, and one end of the lifting screw is connected to the output shaft of the speed reducer, and the speed reduction The input shaft of the device is connected with the shaft drive of the lifting motor.

Wherein, the flat-panel TV and the display viewing angle adjustment device are also provided with a wireless remote control device, including a remote control transmitting device, a signal receiving device, a motor drive device and a protection device, and the output terminal of the signal receiving device is connected to the control input of the motor drive device. The terminals are electrically connected, and the output contacts of the protection device are electrically connected to the control circuit of the motor drive device.

Wherein, the flat-panel TV and the viewing angle adjustment device of the display are also provided with a video and audio cabinet or rack.

The beneficial effect of adopting the above-mentioned technical solution is: through the lifting device, the horizontal rotation adjustment device and the screen pitch angle adjustment device, the flat panel TV and the display angle can be adjusted conveniently and quickly, including parameters such as screen horizontal height, horizontal rotation and screen pitch angle, etc. Perfect function, according to need, can be adjusted to the best viewing angle.

Description of drawings:

Fig. 1 is the structure schematic diagram of a kind of flat-panel television of the present invention, display viewing angle adjustment device;

Fig. 2 is the structural decomposition schematic diagram of the utility model;

Fig. 3 is the structure schematic diagram of lifting rod and support of the present utility model;

Fig. 4 is a schematic structural view of the second embodiment of the pitch angle adjustment device of the present invention;

Fig. 5 and Fig. 7 are the schematic diagrams of pitch angle adjustment device of different embodiments;

Fig. 6 is a schematic structural diagram of the second embodiment.

The elements represented by the numbers in the figure are:

1. Support seat 2. Lifting motor 21. Reducer 22. Lifting nut

23. Lifting rod 24. Guide groove 221. Lifting screw 3. Guide sleeve

31. Angle motor 32. Driving gear 33. Passive gear

41. Pitch angle motor 42. Adjusting screw 43. Support arm 44. Upper arm

441. Upper support 431. Main support 45. Adjusting arm 451. Pitch angle gear

46. Lower arm 461. Lower support 47. Steel cable 48. Steel cable reel

52. Upper support plate 53. Lower support plate 54. Connection plate 10. Flat-panel TV, monitor

Detailed ways:

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

The first embodiment: as shown in Figures 1 to 4, an embodiment of the present invention: a device for adjusting the viewing angle of a flat-panel TV and a display, including a support base 1 and a bracket for a flat-panel TV and a display, including a support for adjusting a flat-panel TV, a display 10 a lifting device for horizontal height, a horizontal rotation adjustment device for adjusting the horizontal rotation of the flat-panel TV and the display 10, and a screen pitch angle adjustment device for adjusting the pitch angle of the screen of the flat-panel TV and the display 10, the lifting device includes a lifting motor 2 and is connected with the lifting motor 2 The lifting transmission device, the lifting transmission device is provided with a lifting rod 23, a guide sleeve 3 and a lifting screw rod 221, and the lifting screw rod 221 is connected with the lifting motor 2. The lifting rod 23 is a pipe whose internal size is greater than the lifting screw rod 221, and the lifting rod 23 The lower end is provided with a lifting nut 22 that matches the lifting screw 221. The lifting screw 221 is screwed into the lifting rod 23. The guide sleeve 3 is a pipe whose internal size is slidingly matched with the outer diameter of the lifting rod 23. The guide sleeve 3 is set on the lifting rod 23, the lower end of the guide sleeve 3 is fixedly connected to the support base 1, and the outer edge of the elevating rod 23 is provided with at least one guide groove 24 along the axial direction. Angle transmission device, angle transmission device comprises passive gear 33 and driving gear 32, and driving gear 32 is connected with the shaft transmission of angle motor 31, and its tooth surface meshes with the tooth surface of passive gear 33, and passive gear 33 is provided with the outside of elevating rod 23. The through hole slidingly matched with the diameter and the convex line slidingly matched with the guide groove 24, and the outer side of the driven gear is also symmetrically provided with two U-shaped holes along the circumferential direction, and the driven gear 33 is sleeved on the lifting rod 23, and used Two screw rods are symmetrically screwed through the U-shaped hole and connected to the screw hole provided on the upper end of the guide sleeve 3, so that the driven gear 33 can rotate around the axis in the horizontal direction, and the rotation angle is limited by the length of the U-shaped hole; Another solution here is to use two thrust bearings to be connected to the top and bottom of the driven gear 33 respectively, and the outer bearing surfaces of the two thrust bearings are fixedly connected to the guide sleeve 3, so that the driven gear 33 can do 360 degrees relative to the guide sleeve 3 Rotate, the pitch angle adjustment device of screen comprises pitch angle motor 41 and the pitch angle transmission device of pitch angle motor 41 transmission connection, pitch angle transmission device comprises adjustment screw rod 42, support arm 43, upper arm 44, upper support 441, main support Seat 431 and adjustment arm 45, pitch angle motor 41 are fixedly connected on the support arm 43, and support arm 43 one end is fixedly connected on the elevating rod 23, and the other end is movably connected on the main support 431, and the upper end of adjustment arm 45 and upper arm One end of 44 is movably connected, and the lower end is movably connected with the support arm 43. The upper end of the adjustment arm 45 is provided with a pitch angle gear 451 meshed with the adjustment screw 42, and one end of the upper support 441 and the main support 431 is fixedly connected to the flat panel TV, The other end of the display bracket is movably connected with the other end of the upper arm 44 and the support arm 43 respectively.

The lifting device is also provided with a speed reducer 21, and the lifting nut 22 set by the lifting rod 23 is sleeved on the lifting screw rod 221. One end of the lifting screw rod 221 is connected with the output shaft of the speed reducer 21, and the input shaft of the speed reducer 21 is connected to the lifting motor. 2 shaft transmission connection; flat panel TV, display viewing angle adjustment device is also provided with video audio cabinet or rack, can have all the functions of traditional TV cabinet, also can produce the model that cooperates with traditional TV cabinet to use or conveniently assembles as a whole.

Lifting motor 2, angle motor 31 and pitch angle motor 41 all can adopt the reduction motor of band speed reducer. Now above-mentioned speed reducer 21 just can not be used; In addition, angle transmission device also can adopt the mode of belt pulley transmission, promptly the tooth surface of driving gear 32 and driven gear 33 changes into groove, between driving gear 32 and driven gear 33 pass belt Transmission connection; the lifting transmission device can also adopt the hydraulic transmission mode, the lifting motor 2 drives the hydraulic pump, utilizes the liquid pressure to promote the lifting rod 23 to rise, and the pressure release pressure through the overflow valve allows the lifting rod 23 to descend.

The lifting rod 23 can slide freely in the through hole of the driven gear 33, but due to the restriction of the guide groove and the protruding line, the lifting rod 23 can only rotate with the rotation of the driven gear 33, and stay still.

The working principle of the whole device includes the adjustment of three parameters: screen level height, horizontal rotation and screen pitch angle:

Adjustment of the screen level: Start the lifting motor 2, the lifting motor 2 drives the reducer 21 to rotate, the reducer 21 drives the lifting screw 221 to rotate, and the lifting rod 23 is limited by the guiding protrusion 24 and the groove between the driving gear 33 , so it will not rotate with the lifting screw 221, but under the action of the lifting nut 22, according to the direction of rotation of the lifting screw 221, it will rise or fall vertically. That is, the adjustment of the horizontal height of the screen is realized.

Adjustment of horizontal rotation: start the corner motor 31, drive the driving gear 32 to rotate forward or reverse, and the passive gear 33 meshing with its tooth surface rotates passively, and the lifting rod 23 has a guiding protrusion 24 and a groove between the driving gear 33 Therefore, the elevating rod 23 also rotates following the driven gear 33, and finally drives the flat-panel TV and the display bracket to rotate horizontally synchronously, that is, to realize the adjustment of the horizontal rotation of the screen. One rotation of the lifting rod 23 is to raise or lower a pitch of the lifting screw 221, which is very small and can be ignored visually.

Adjustment of the pitch angle of the screen: start the pitch angle motor 41, the rotation of the adjustment screw 42 on the pitch angle motor 41 axis drives the pitch angle gear 451 to rotate, and the adjustment arm 45 rotates around the movable connection point with the support arm 43, thereby forcing the upper arm 44 moves to one side of the lifting rod 23 or away from the side of the lifting rod 23, and this movement promotes the flat TV and the monitor support to rotate around the connection point of the main support 431 and the support arm 43, which realizes the adjustment of the pitch angle of the screen. Wherein the pitch angle gear 451 and the adjusting screw 42 can be matched worm gears and worm gears, or can be other gear combinations.

The second embodiment: as shown in Figure 5, in the second embodiment, other parts of the structure are the same as the first embodiment, only the pitch angle transmission device is different, and the lower support fixedly connected to the flat panel TV and the display bracket is added 461 and the lower arm 46 that is movably connected with the lower support 461 at one end, the adjustment arm 45 in the first embodiment is extended in size, the middle section is movably connected with the support arm 43, and the lower end is movably connected with the other end of the lower support 46, so that , when the adjustment arm 45 rotates, the upper support arm 44 and the lower support arm 46 can be driven to form a push-pull moment to the flat panel TV and the monitor support simultaneously, which can make the adjustment of the pitch angle of the flat panel TV and the monitor support more stable.

The third embodiment: as shown in Figure 6, in the third embodiment, other parts of the structure are the same as the second embodiment, only the pitch angle transmission device is different, the upper support arm 44 and the lower support arm in the second embodiment are 46 is replaced with steel cable 47, and cancels adjustment arm 45 and adjustment screw rod 42, changes the steel cable reel 48 that is fixedly connected on the power transmission shaft of pitch angle motor 41, and steel cable 47 is wound on the steel cable reel 48, and steel cable One end of the cable 47 is connected to the upper support 441, and the other end is connected to the lower support 461. In addition, an upper guide pulley 481 and a lower guide pulley 482 are provided. One end of the steel cable 47 is connected to the upper support 441, and then wound on the steel cable. On the reel 48, then walk around the upper guide pulley 481, then walk around the lower guide pulley 482, and finally be connected on the lower support 461, the pitch angle motor 41 rotates to drive the steel cable reel 48, forcing the steel cable 47 to pull the flat panel TV, The monitor bracket rotates around the connection point between the main support 431 and the support arm 43, that is, the adjustment of the pitch angle of the screen is realized.

The beneficial effect of adopting the above-mentioned technical solution is: through the lifting device, the horizontal rotation adjustment device and the screen pitch angle adjustment device, the flat panel TV and the display angle can be adjusted conveniently and quickly, including parameters such as screen horizontal height, horizontal rotation and screen pitch angle, etc. Perfect function, according to need, can be adjusted to the best viewing angle.

In addition, the flat-panel TV and the display viewing angle adjustment device are also provided with a wireless remote control device, including a remote control transmitting device, a signal receiving device, a motor drive device and a protection device, and the output terminal of the signal receiving device is connected to the control input of the motor drive device. The terminals are electrically connected, and the output contacts of the protection device are electrically connected to the control circuit of the motor drive device. Press the corresponding command button of the remote control transmitting device, the signal receiving device receives and decodes the command signal, converts it into a contact command, connects the power supply circuit of the relevant motor, and makes the motor run according to the command. The protection device includes each limit position Install a limit switch or sensor, when the motor drives the relevant components to run to the limit position, the corresponding limit switch or sensor will act, and the corresponding motor will be forced to stop running in this direction through the closing or opening of the corresponding contact, so as to achieve the overrun of the protection device Accidents caused by loose or stuck.

The above is only a preferred embodiment of the utility model, but should not constitute a limitation to the utility model, as long as the technical solution equivalent to the utility model is adopted, it should also be within the scope of protection created by the utility model.

Claims (8)

1. a flat panel TV, display viewing angles regulating device, comprise supporting base and flat panel TV, display bracket, it is characterized in that, comprise the lowering or hoisting gear that is used to adjust flat panel TV, display device level height, adjust flat panel TV, display device horizontally rotates horizontally rotates regulating device and adjust the screen pitching angle regulating device of flat panel TV, indicator screen pitching angle, wherein

Described lowering or hoisting gear comprises lifting motor and the lifting actuator that is in transmission connection with lifting motor;

The described regulating device that horizontally rotates comprises corner motor and the rotary driving device that is connected with the corner electric-motor-driving;

Described screen pitching angle regulating device comprises the pitching angle transmission device that the pitching angle motor is connected with the pitching angle electric-motor-driving.

2. a kind of flat panel TV as claimed in claim 1, the display viewing angles regulating device, it is characterized in that, described pitching angle transmission device comprises the adjustment screw rod that is connected on the pitching angle motor transmission shaft, adjust arm, upper arm, support arm, upper bracket and main bearing, described pitching angle motor is fixedly connected on the support arm, described support arm one end is fixedly connected on the lifting bar, the other end is movably connected on the main bearing, described adjustment arm upper end flexibly connects with an end of upper arm, lower end and support arm flexibly connect, the upper end of described adjustment arm be provided with one with the pitching angle gear of described adjustment screw engages coupling, one end of described upper bracket and main bearing is fixedly connected on flat panel TV, display bracket, the other end flexibly connect with the other end of upper arm and support arm respectively.

3. a kind of flat panel TV as claimed in claim 1, the display viewing angles regulating device, it is characterized in that, described pitching angle transmission device comprises the wirerope rolling wheel that is connected on the pitching angle motor transmission shaft, wirerope, support arm, upper bracket, undersetting and main bearing, described pitching angle motor is fixedly connected on the lifting bar, described support arm one end is fixedly connected on the lifting bar, the other end is movably connected on the main bearing, described wirerope is wound on the described wirerope rolling wheel, described wirerope one end is connected with upper bracket, the other end is connected with undersetting, one end of described upper bracket and main bearing is fixedly connected on flat panel TV, display bracket, the other end flexibly connect with the other end of upper arm and support arm respectively.

4. a kind of flat panel TV as claimed in claim 1, the display viewing angles regulating device, it is characterized in that, described pitching angle transmission device comprises the adjustment screw rod that is connected on the pitching angle motor transmission shaft, adjust arm, upper arm, support arm, the following arm of force, upper bracket, main bearing and undersetting, described pitching angle motor is fixedly connected on the support arm, described support arm one end is fixedly connected on the lifting bar, the other end is movably connected on the main bearing, described adjustment arm upper end flexibly connects with an end of upper arm, the lower end flexibly connects with an end of the following arm of force, stage casing and support arm flexibly connect, the upper end of described adjustment arm be provided with one with the pitching angle gear of described adjustment screw engages coupling, described upper bracket, one end of main bearing and undersetting is fixedly connected on flat panel TV, display bracket, the other end respectively with upper arm, the support arm and the following arm of force the other end flexibly connect.

5. a kind of flat panel TV as claimed in claim 1, the display viewing angles regulating device, it is characterized in that, described rotary driving device comprises driven gear and driving gear, described driving gear is connected with the shaft drive of corner motor, the flank engagement of its flank of tooth and described driven gear, described lifting actuator is provided with lifting bar, guide pin bushing and lifting screw, described lifting screw and described lifting motor are in transmission connection, described lifting bar is the tubing of an Inner Dimension greater than described lifting screw, the lower end of described lifting bar is provided with the lifting nut with the lifting screw coupling, described lifting screw is rotatably connected in the lifting bar, described guide pin bushing is the tubing that an Inner Dimension and lifting bar external diameter slide and mate, described guide pin bushing is sheathed on the outside of lifting bar, fixedly connected with supporting base in the lower end of described guide pin bushing, the outer of described lifting bar is provided with at least one direction recess along axial direction, the through hole of coupling that described driven gear is provided with and the lifting bar external diameter slides and with the slide raised line of coupling of described direction recess, described driven gear be sheathed on the described lifting bar and be movably connected on described guide pin bushing on.

6. as any described a kind of flat panel TV of claim 1 to 3, display viewing angles regulating device, it is characterized in that, described lowering or hoisting gear also is provided with retarder, the set lifting nut of described lifting bar is sheathed on the described lifting screw, one end of described lifting screw and the output shaft of described retarder are in transmission connection, and described input shaft of speed reducer is connected with the shaft drive of lifting motor.

7. as any described a kind of flat panel TV of claim 1 to 3, display viewing angles regulating device; it is characterized in that; described flat panel TV, display viewing angles regulating device also are provided with the Wireless remote control control gear; comprise remote-controlled launcher, signal receiving device, motor drive unit and protective gear; the output terminal of described signal receiving device is electrically connected with the control input end of motor drive unit, and the output contact of described protective gear is electrically connected with the control circuit of motor drive unit.

8. as any described a kind of flat panel TV of claim 1 to 3, display viewing angles regulating device, it is characterized in that described flat panel TV, display viewing angles regulating device also are provided with video reproducing rack or frame.

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