CN219346068U

CN219346068U - Display lifting device

Info

Publication number: CN219346068U
Application number: CN202320769176.8U
Authority: CN
Inventors: 邹锋
Original assignee: Shenzhen Lianqiang Holdings Co Ltd
Current assignee: Shenzhen Lianqiang Holdings Co Ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-07-14
Anticipated expiration: 2033-04-04

Abstract

A display lifting device relates to the technical field of display screens. It comprises a case main body; a display screen; the mounting table is mounted on the back side of the display screen; two connecting rods are respectively arranged at two sides of the case main body, one end of each connecting rod is rotationally connected with the mounting table, and the other end of each connecting rod is rotationally connected with the side face of the case main body; the driving motor is arranged in the case main body and provides power for the rotation of the connecting rod; the transmission mechanism is arranged in the case main body and is connected with the output end of the driving motor; the output rotating shaft is arranged in the case main body and driven by the transmission mechanism, and two ends of the output rotating shaft are fixedly connected with two connecting rods respectively; the control panel is arranged in the case body and used for controlling the driving motor. Adopt above-mentioned technical scheme to have can be through making driving motor provide power for the rotation of connecting rod, stop gear restricts the turned angle of connecting rod, rotates each other between mount table and the connecting rod, mount table and display screen fixed connection, the advantage of the turned angle of rethread control panel on the button control display screen.

Description

Display lifting device

Technical Field

The utility model relates to the technical field of display screens, in particular to a display lifting device.

Background

The display screen is an indispensable article in office video conference and teaching show. In order to facilitate viewing effects at different angles, the existing display screen generally has functions of lifting and rotating. And the rotation function and the elevation function are generally separate functions. However, the structure of the existing display screen lifter is slightly complicated, and the material of the display screen is fragile and cannot be knocked randomly. When the operation is improper, the rotation angle of the display screen is too large, and the display screen is damaged due to the fact that the display screen touches the case body or other objects.

Disclosure of Invention

The utility model aims to overcome the defects and shortcomings of the prior art and provide a display lifting device which has the advantages of being capable of automatically adjusting the position of a display screen and preventing the display screen from being damaged.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a display lifting device, comprising: a case main body; a display screen; the mounting table is mounted on the back side of the display screen; the two connecting rods are respectively arranged at two sides of the case main body, one end of each connecting rod is rotationally connected with the mounting table, and the other end of each connecting rod is rotationally connected with the side face of the case main body; the driving motor is arranged in the case main body and provides power for the rotation of the connecting rod; the transmission mechanism is arranged in the case main body and connected with the output end of the driving motor; the output rotating shaft is arranged in the case main body and driven by the transmission mechanism, and two ends of the output rotating shaft are fixedly connected with two connecting rods respectively; the limiting mechanism is arranged in the case main body and used for limiting the rotation angle of the output rotating shaft; and the control panel is arranged in the case body and used for controlling the driving motor.

Preferably, the limiting mechanism comprises a limiting rotating block fixedly sleeved on the output rotating shaft and a limiting switch fixed in the case main body and used for limiting the rotating angle of the limiting rotating block.

Preferably, the limit switch is fixed above the limit rotating block.

Preferably, the limit rotation block includes: the limiting rotary block body is fixedly sleeved on the output rotary shaft, and one end of the limiting rotary block body is connected with the limiting rotary block body, and the other end of the limiting rotary block body is a limiting strip of a free end extending outwards; the output rotating shaft drives the limiting rotating block body to rotate with the limiting strip when rotating, and the limiting strip abuts against the limiting switch to limit the output rotating shaft to continuously rotate in the same direction.

Preferably, the number of the limit bars is two, and the two limit bars satisfy: when one of the limit strips is abutted with the limit switch and the output rotating shaft reversely rotates, the rotatable angle of the other limit strip is between 60 and 150 degrees.

Preferably, when one of the limit strips is abutted with the limit switch and the output rotating shaft reversely rotates, the rotatable angle of the other limit strip is between 90 and 120 degrees.

Preferably, the mounting table is detachably connected with the display screen.

Preferably, the mounting table is provided with a heat dissipation hole for heat dissipation.

Preferably, a pen holder for holding pens is arranged on the side face of the display screen.

After the technical scheme is adopted, the utility model has the beneficial effects that: according to the utility model, the driving motor is used for providing power for the output rotating shaft, the connecting rod is fixedly connected with the output rotating shaft, the connecting rod is rotatably connected with the display screen, and the output rotating shaft is fixedly sleeved with the limiting mechanism to limit the rotating angle of the connecting rod, so that the display screen is prevented from being damaged due to collision to other objects or the case main body caused by overlarge rotating angle in the rotating process.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is another angular exploded view of the present utility model;

FIG. 4 is an enlarged view of a portion of the structure of the present utility model corresponding to FIG. 3;

FIG. 5 is an exploded view of the relationship of the limit rotating block to the limit switch;

FIG. 6 is a schematic diagram of a structure of a limit rotation block;

FIG. 7 is another angular exploded view of the present utility model;

fig. 8 is a bottom view of the present utility model.

Reference numerals illustrate:

1. a case main body; 2. a lifting mechanism; 3. a mounting table; 4. a display screen; 5. a driving motor; 6. an output shaft; 7. a limiting mechanism; 8. a case cover of the upper case; 9. a lower case cover; 10. a chassis shell; 11. a connecting rod; 12. a bearing; 13. a bearing driving wheel; 14. a fixing buckle; 15. a heat radiation hole; 16. a connecting rod main frame; 17. a connecting rod main frame housing; 18. a connecting piece; 19. a connecting column; 20. a connecting groove; 21. a pen holder; 22. a limit rotating block; 23. a limit switch; 24. a control button; 25. a control panel; 26. a limit bar; 27. a limit rotating block body; 28. a transmission mechanism.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and those skilled in the art can make modifications to the present embodiment which do not contribute to the utility model as required after reading the present specification, but are protected by the patent laws within the scope of the appended claims.

The present embodiment relates to a display lifting device, as shown in fig. 1 to 8, including: the display device comprises a case main body 1, a display screen 4, a mounting table 3, two connecting rods 11, a driving motor 5, a transmission mechanism 28, an output rotating shaft 6, a limiting mechanism 7 and a control panel 25. Wherein, mount table 3 installs in display screen 4 dorsal part, and two connecting rods 11 set up in quick-witted case main part 1 both sides respectively, and connecting rod 11 one end rotates with mount table 3 to be connected, and the other end rotates with the side of quick-witted case main part 1 to be connected. The driving motor 5 is disposed in the case body 1 and provides power for rotation of the connecting rod 11. The transmission mechanism 28 is provided in the casing main body 1 and connected to the output end of the drive motor 5. The output rotating shaft 6 is arranged in the case main body 1 and driven by a transmission mechanism 28, and two ends of the output rotating shaft are respectively and fixedly connected with two connecting rods 11. A control panel 25 is provided in the casing main body 1 for controlling the drive motor 5.

Wherein, the case body 1 includes: an upper casing cover 8, a lower casing cover 9 and a casing shell 10. The case body 1 is internally provided with a driving motor 5, a transmission mechanism 28, an output rotating shaft 6 and a limiting mechanism 7.

In this embodiment, as shown in fig. 2, two connecting rods 11 in the lifting mechanism 2 are respectively located at two sides of the chassis body 1, and the driving motor 5 in the chassis body 1 drives the output rotating shaft 6 to rotate, and two ends of the output rotating shaft 6 are fixedly connected with one ends of the two connecting rods 11, so that the connecting rods 11 also rotate when the output rotating shaft 6 rotates.

Further, as shown in fig. 2-6, a limit switch 23 is fixed under the upper chassis cover 8, and a limit rotating block 22 is fixedly sleeved on the output rotating shaft 6, and when the driving motor 5 drives the output rotating shaft 6 to rotate, the limit rotating block 22 is driven to rotate. The limiting rotating block 22 comprises a limiting rotating block 22 body sleeved on the output rotating shaft 6 and a limiting strip 26, wherein one end of the limiting rotating block 22 body is connected with the free end of the other end of the limiting rotating block extending outwards. When the output rotating shaft 6 drives the limit rotating block 22 to rotate, the distance between the limit switch 23 and the limit rotating block 22 is gradually retracted, and when the output rotating shaft 6 rotates to a certain angle, the limit switch 23 is abutted with one of the limit strips 26, and the output rotating shaft 6 does not rotate any more, so that the connecting rod 11 moves within a certain angle range, and the connecting rod 11 is prevented from excessively rotating.

Further, as shown in fig. 6, a circular-like through hole is arranged in the center of the body of the limiting rotating block 22 and fixedly sleeved with the output rotating shaft 6.

In this embodiment, as shown in fig. 5, the two limit bars 26 satisfy: when one of the limit bars 26 is abutted with the limit switch 23 and the output rotating shaft 6 reversely rotates, the rotatable angle of the other limit bar 26 is 105 degrees. In other embodiments, the rotatable angle of the other limit bar 26 may be: 60 degrees, 65 degrees, 70 degrees, 75 degrees, 80 degrees, 85 degrees, 90 degrees, 95 degrees, 100 degrees, 105 degrees, 110 degrees, 115 degrees, 120 degrees, 125 degrees, 130 degrees, 135 degrees, 140 degrees, 145 degrees, 150 degrees.

In other embodiments, the number of the limit bars 26 may be 1. When the number of the limit bars 26 is 1, the following are satisfied: when the limit bar 26 is abutted with the limit switch 23, the output rotating shaft 6 reversely rotates, the rotatable angle of the limit bar 26 is 180 degrees, the rotatable angle of the connecting rod 11 is overlarge, and in the rotating process, the display screen 4 is easy to collide with other objects or the case main body 1 to cause the damage of the display screen 4.

Further, as shown in fig. 3, one ends of the two connecting rods 11 far away from the output rotating shaft 6 are respectively and fixedly connected with a bearing 12, a bearing 12 driving wheel is sleeved on the bearing 12, and the bearing 12 driving wheel can rotate on the bearing 12.

Further, as shown in fig. 1-3, the driving wheel of the bearing 12 is fixedly connected with the fixing buckle 14, the fixing buckle 14 is fixedly connected with the display screen 4, the driving wheel of the bearing 12, the bearing 12 and the fixing buckle 14 are combined into the mounting table 3, and the mounting table 3 and the display screen 4 can be detachably connected. Simultaneously, because the connecting rod 11 is rotatable with the relative of display screen 4, the fixed connection of connecting rod 11 and output pivot 6, output pivot 6 drives connecting rod 11 and rotates, through above-mentioned setting, because the relative rotatable of bearing 12 drive wheel and bearing 12 can make display screen 4 keep away from the one end rotation of output pivot 6 round connecting rod 11 for display screen 4 can be placed on last case lid 8 horizontally when connecting rod 11 rotates to certain angle, lets the user be convenient for watch the content on the display screen 4.

Further, as shown in fig. 2, the mount 3 is provided with a heat dissipation hole 15 for dissipating heat.

Further, as shown in fig. 3, the lower chassis cover 9 is provided with a plurality of heat dissipation holes 15, which penetrate through and are uniformly distributed on the surface of the lower chassis cover 9 to dissipate heat of the chassis main body 1, so as to prevent the chassis main body 1 from being damaged due to overhigh temperature inside the chassis main body 1.

Further, as shown in fig. 7, the connecting rod 11 includes a connecting rod 11 main frame, a connecting rod 11 main frame housing covering the connecting rod 11 main frame, and connecting members 18 for fixedly connecting the connecting rod 11 main frame with the connecting rod 11 main frame housing, in this embodiment, the number of the connecting members 18 is two, and in other embodiments, the number of the connecting members 18 may be increased or decreased accordingly. The connecting piece 18 comprises a connecting column 19 arranged on the main frame of the connecting rod 11 and a connecting groove 20 arranged on the outer shell of the main frame of the connecting rod 11, wherein one end of the connecting column 19 extends into the connecting groove 20 and is fixedly connected with the main frame of the connecting rod 11.

Further, as shown in fig. 8, the control panel 25 is disposed on the chassis 10, and the control panel 25 is provided with a switch button and a control button 24, and a user controls the on/off of the device by pressing the switch button, in this embodiment, the control button 24 has three shift positions, in which the connecting rod 11 can be controlled to rotate to three different angles respectively, and in other embodiments, the number of shift positions can be increased or decreased correspondingly, and the corresponding display screen 4 can also rotate to different angles and even rotate to attach to the chassis cover.

Further, as shown in fig. 1, a pen holder 21 for holding a pen is provided on the side wall of the display screen 4, the pen holder 21 is shaped like a C, and the opening is directed to the side far away from the display screen 4.

The above description is only for the purpose of illustrating the technical solution of the present utility model and not for the purpose of limiting the same, and other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. A display lifting device, comprising:

a case body (1);

a display screen (4);

the mounting table (3) is mounted on the back side of the display screen (4);

two connecting rods (11) are respectively arranged at two sides of the case main body (1), one end of each connecting rod (11) is rotationally connected with the mounting table (3), and the other end of each connecting rod is rotationally connected with the side face of the case main body (1);

the driving motor (5) is arranged in the case main body (1) and provides power for the rotation of the connecting rod (11);

the transmission mechanism (28) is arranged in the case body (1) and is connected with the output end of the driving motor (5);

the output rotating shaft (6) is arranged in the case main body (1) and driven by the transmission mechanism (28), and two ends of the output rotating shaft are fixedly connected with two connecting rods (11) respectively;

the limiting mechanism (7) is arranged in the case main body (1) and used for limiting the rotation angle of the output rotating shaft (6); and

and a control panel (25) which is arranged in the case body (1) and is used for controlling the driving motor (5).

2. The display lifting device according to claim 1, characterized in that the limit mechanism (7) comprises: the limiting rotary block (22) is fixedly sleeved on the output rotary shaft (6), and the limiting switch (23) is fixed in the case main body (1) and used for limiting the rotation angle of the limiting rotary block (22).

3. The display lifting device according to claim 2, characterized in that the limit switch (23) is fixed above the limit rotation block (22).

4. A display lifting device according to claim 3, wherein the limit rotation block (22) comprises: a limiting rotating block (22) body fixedly sleeved on the output rotating shaft (6) and a limiting strip (26) with one end connected with the limiting rotating block (22) body and the other end being a free end extending outwards; the output rotating shaft (6) drives the limiting rotating block (22) body and the limiting strip (26) to rotate when rotating, and the limiting strip (26) is abutted to the limiting switch (23) to limit the output rotating shaft (6) to continuously rotate in the same direction.

5. The display lifting device according to claim 4, wherein the number of the limit bars (26) is two, and the two limit bars (26) satisfy: when one of the limit bars (26) is abutted with the limit switch (23), and the output rotating shaft (6) reversely rotates, the rotatable angle of the other limit bar (26) is between 60 and 150 degrees.

6. The display lifting device according to claim 5, wherein when one of the limit bars (26) is abutted against the limit switch (23) and the output shaft (6) reversely rotates, the rotatable angle of the other limit bar (26) is between 90 and 120 degrees.

7. The display lifting device according to claim 1, characterized in that the mounting table (3) is detachably connected to the display screen (4).

8. The display lifting device according to claim 1, wherein the mounting table (3) is provided with a heat dissipation hole (15) for heat dissipation.

9. The display lifting device according to claim 1, wherein a pen holder (21) for holding pens is arranged on the side surface of the display screen (4).