CN220186294U - LCD screen elevating system - Google Patents
LCD screen elevating system Download PDFInfo
- Publication number
- CN220186294U CN220186294U CN202321388267.3U CN202321388267U CN220186294U CN 220186294 U CN220186294 U CN 220186294U CN 202321388267 U CN202321388267 U CN 202321388267U CN 220186294 U CN220186294 U CN 220186294U
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- Prior art keywords
- liquid crystal
- chassis
- fixedly connected
- movable seat
- lifting mechanism
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- 230000003028 elevating effect Effects 0.000 title claims description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 47
- 230000000630 rising effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000036544 posture Effects 0.000 description 1
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Abstract
The utility model relates to the field of display screen equipment and discloses a liquid crystal screen lifting mechanism, which comprises a chassis and a liquid crystal screen main body, wherein both sides of the interior of the chassis are fixedly connected with sliding rails, one side of the interior of the sliding rails is fixedly connected with racks, the bottom ends of the worm wheels are in meshed connection with worms, the worms are in rotary connection in a movable seat, two sides of the movable seat are respectively in rotary connection with two pulleys, one side of each pulley is fixedly connected with a gear at one end far away from the movable seat, the gears are in meshed connection with the racks, one end of each pulley at the other far away from the gears is fixedly connected with a second motor, and the front wall of the chassis is provided with a limiting assembly used for limiting the movable seat to fall down in the chassis. According to the utility model, the pulley can enable the movable seat to move upwards in the sliding rail through the cooperation of the gear and the rack, and then the clamping groove of the movable seat is clamped at one end of the limiting plate, so that the liquid crystal screen can be stably fixed at the position after rising.
Description
Technical Field
The utility model relates to the field of display screen equipment, in particular to a liquid crystal display screen lifting mechanism.
Background
When the display is needed, the lifter hidden in the conference table can lift the display screen from the lower surface of the conference table to the upper surface of the table; when not in use, the liquid crystal display can be lowered below the desk, so that dust prevention and theft prevention of the liquid crystal display can be realized, and meanwhile, the clean and attractive appearance of the conference desk can be ensured. When the existing liquid crystal screen lifting mechanism is used, many liquid crystal screens can be automatically lifted onto a tabletop, and meanwhile, the opening angle of the liquid crystal screen is automatically adjusted, but the angle is mechanically set, or a damping structure is used, so that the liquid crystal screen lifting mechanism is unstable or can not be flexibly adjusted, and is inconvenient for people with different heights and sitting postures to use, and meanwhile, when the liquid crystal screen lifting mechanism is used, the lifted liquid crystal screen can often directly use an electric lifting rod, and the structure is simple but the stability is insufficient.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a liquid crystal screen lifting mechanism.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a LCD screen elevating system, includes quick-witted case and LCD screen main part, the equal fixedly connected with slide rail in inside both sides of machine case, one side rear side fixedly connected with rack in the slide rail, LCD screen main part bottom fixedly connected with pivot, the equal fixedly connected with round pin axle in pivot both sides, round pin axle rotates and is connected with fixed cover, fixed cover fixedly connected with is in the removal seat top both sides, one side round pin axle fixedly connected with worm wheel, the worm wheel bottom meshing is connected with the worm, the worm rotates to be connected in removing the seat, it is connected with two pulleys to remove seat both sides each rotation, one side the pulley is kept away from the one end fixedly connected with gear of removing the seat, the gear with rack meshing is connected, the pulley is kept away from gear one end fixedly connected with second motor, second motor fixedly connected with is in removing the seat, the quick-witted case front wall is provided with spacing subassembly, spacing subassembly is used for restricting it is in to remove the seat and falls down in the quick-witted case.
One side the slide rail top rear side is provided with contact switch, contact switch and second motor electric connection.
As a further description of the above technical solution:
one end fixedly connected with second bevel gear of worm, second bevel gear meshing is connected with first bevel gear, first bevel gear fixed connection is at the drive end of first motor, first motor is fixed with the removal seat.
As a further description of the above technical solution:
the top of the case is provided with a through groove, and one side of the through groove is connected with a top door through an elastic hinge.
As a further description of the above technical solution:
the limiting assembly comprises a working groove and a limiting plate which rotates in the working groove, one end of the limiting plate extending into the machine case is connected with the machine case through a spring, the lower part of one end of the limiting plate outside the machine case is rotationally connected with a conveying rod, the top end of the conveying rod is rotationally connected with a button, the button is arranged in the middle of an extension plate in a sliding mode, and the extension plate is fixedly connected to the front side of the top of the machine case.
As a further description of the above technical solution:
the working groove is arranged in the middle of the front wall of the chassis.
As a further description of the above technical solution:
the middle part of the front wall of the movable seat is provided with a clamping groove, and a limiting plate is clamped in the clamping groove.
As a further description of the above technical solution:
and a baffle ring is arranged on the front side of the working groove and on the front wall of the chassis.
The utility model has the following beneficial effects:
1. according to the utility model, the pulley is driven by the second motor, the pulley can enable the movable seat to move upwards in the sliding rail through the cooperation of the gear and the rack, then the clamping groove of the movable seat is clamped at one end of the limiting plate, stable fixing of the liquid crystal screen at the position after rising can be realized, and the driving and fixing structural stability of the liquid crystal screen main body are improved.
2. According to the utility model, the first bevel gear and the second bevel gear are driven by the first motor to realize the rotation of the worm, the worm can realize that the worm wheel drives the pin shaft to drive the rotating shaft to drive the liquid crystal screen main body to rotate, and the worm wheel and the worm have good self-locking performance, so that the liquid crystal screen main body can be adjusted front and back, the phenomenon that the liquid crystal screen main body loosens and loses an adjusting effect due to long-term use can be avoided, and the service performance of the liquid crystal screen main body is improved.
Drawings
Fig. 1 is a perspective view of a lifting mechanism for a liquid crystal display according to the present utility model;
fig. 2 is a cross-sectional structure diagram of a chassis of a liquid crystal display lifting mechanism according to the present utility model;
fig. 3 is a front view of a chassis of a liquid crystal display lifting mechanism according to the present utility model;
FIG. 4 is a side cross-sectional view of a stop plate of a LCD lifting mechanism according to the present utility model;
FIG. 5 is an enlarged view of FIG. 3 at A;
fig. 6 is an enlarged view of fig. 3 at B.
Legend description:
1. a chassis; 2. a liquid crystal screen main body; 3. a movable seat; 4. a top door; 5. a fixed sleeve; 6. a rotating shaft; 7. a slide rail; 8. a pulley; 9. an elastic hinge; 10. a pin shaft; 11. a first motor; 12. a first bevel gear; 13. a worm; 14. a gear; 15. a second motor; 16. a second bevel gear; 17. a rack; 18. a button; 19. a limiting plate; 20. a baffle ring; 21. a transfer lever; 22. a spring; 23. a working groove; 24. an extension plate; 25. a contact switch; 26. a worm wheel; 27. and a clamping groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, one embodiment provided by the present utility model is: the utility model provides a LCD screen elevating system, including machine case 1 and LCD screen main part 2, the inside both sides of machine case 1 all fixedly connected with slide rail 7, rear side fixedly connected with rack 17 in one side slide rail 7 just can realize the steady movement about the movable seat 3, so can guarantee not only to rely on by movable seat 3, can also be driven by second motor 15, guarantee the stable structure that LCD screen main part 2 drive goes up and down, LCD screen main part 2 bottom fixedly connected with pivot 6, the equal fixedly connected with round pin axle 10 in pivot 6 both sides, round pin axle 10 rotates and is connected with fixed cover 5, pivot 6, round pin axle 10 and fixed cover 5 complex setting, just for LCD screen main part 2 can be inseparable with movable seat 3 mutually support, after the cooperation, combine worm wheel 26 and worm 13 structure again, realize the high-efficient good motion of LCD screen main part 2, fixed cover 5 fixed connection is in movable seat 3 top both sides, one side of the pin shaft 10 is fixedly connected with a worm wheel 26, the bottom end of the worm wheel 26 is in meshed connection with a worm 13, the worm 13 is in rotary connection with the movable seat 3, two sides of the movable seat 3 are respectively in rotary connection with two pulleys 8, one of the four pulleys 8 is driven by a second motor 15, thus one driving force can realize stable sliding of the movable seat 3 inside the sliding rail 7, one end of one side of the pulley 8 far away from the movable seat 3 is fixedly connected with a gear 14, the gear 14 is in meshed connection with a rack 17, one end of the pulley 8 far away from the gear 14 is fixedly connected with a second motor 15, the second motor 15 is fixedly connected with the movable seat 3, the second motor 15 drives the pulley 8, the pulley 8 can enable the movable seat 3 to move upwards in the sliding rail 7 through the cooperation of the rack 17 of the gear 14, the front wall of the chassis 1 is provided with a limiting component, the limiting component is used for limiting the movable seat 3 to fall in the chassis 1, the pulley 8 and the second motor 15 are mutually connected, so that the structure is very stable when the movable seat 3 moves up and down, and the liquid crystal screen main body 2 has very high stability by being matched with the limiting component.
The contact switch 25 is arranged on the rear side of the top of the one-side sliding rail 7, the contact switch 25 is electrically connected with the second motor 15, after the liquid crystal screen main body 2 rises to the uppermost end, one pulley 8 can be pressed on the top of the contact switch 25, the second motor 15 is stopped, and idle running or burning of the second motor 15 is prevented.
One end fixedly connected with second bevel gear 16 of worm 13, second bevel gear 16 meshing is connected with first bevel gear 12, first bevel gear 12 fixed connection is at the drive end of first motor 11, first motor 11 is fixed with and removes seat 3, it rotates to drive first bevel gear 12 and second bevel gear 16 through first motor 11 realization worm 13, worm 13 can realize that worm wheel 26 drives round pin axle 10 and makes pivot 6 drive LCD screen main part 2 rotation, because worm wheel 26 worm 13 has good self-locking performance, can realize like this that LCD screen main part 2 not only can carry out the fore-and-aft adjustment.
The top of the case 1 is provided with a through groove, one side of the through groove is connected with a top door 4 through an elastic hinge 9, and the top door 4 can be jacked in the upward movement process of the liquid crystal screen main body 2, and the top door 4 can be automatically opened through the elastic hinge 9 due to the fact that the top door 4 is connected with the case 1 through the elastic hinge 9.
The limiting component comprises a working groove 23 and a limiting plate 19 rotating in the working groove 23, one end of the limiting plate 19 extending into the chassis 1 is connected with the chassis 1 through a spring 22, the lower part of one end of the limiting plate 19 outside the chassis 1 is rotationally connected with a conveying rod 21, the top end of the conveying rod 21 is rotationally connected with a button 18, the button 18 is slidably arranged in the middle of an extension plate 24, the extension plate 24 is fixedly connected to the front side of the top of the chassis 1, the button 18 is pressed, the button 18 can drive the limiting plate 19 through the conveying rod 21, the limiting plate 19 is separated from the clamping groove 27, the second motor 15 can stably drive the movable seat 3 to the bottom in the chassis 1 through a gear 14 and a rack 17, and lifting of the liquid crystal display main body 2 is achieved.
The working groove 23 is arranged in the middle of the front wall of the case 1, so that the limiting plate 19 is convenient to install.
The middle part of the front wall of the movable seat 3 is provided with the clamping groove 27, the limiting plate 19 is clamped in the clamping groove 27, the clamping groove 27 of the movable seat 3 is clamped at one end of the limiting plate 19, stable fixation after the liquid crystal screen main body 2 ascends can be realized, and the problem of unstable structure caused by driving of an electric lifting rod is avoided.
The baffle ring 20 is arranged on the front side of the working groove 23 and on the front wall of the case 1, and the baffle ring 20 can well block the limiting plate 19 from rotating due to downward force of the movable seat 3, so that the movable seat 3 is ensured to be stably supported at the inner top of the case 1.
Working principle: when the liquid crystal screen lifting mechanism is used, the liquid crystal screen main body 2 is lifted, in the process of lifting the liquid crystal screen main body 2, the pulley 8 is driven by the second motor 15, the pulley 8 can enable the movable seat 3 to move upwards in the sliding rail 7 through the matching of the gear 14 and the rack 17, in the process of upwards moving the liquid crystal screen main body 2, the top door 4 can be jacked, because the top door 4 is connected with the case 1 through the elastic hinge 9, the elastic hinge 9 can enable the top door 4 to be automatically opened, after the liquid crystal screen main body 2 is lifted to the uppermost end, one pulley 8 can be pressed on the top of the contact switch 25 to stop the work of the second motor 15, meanwhile, the clamping groove 27 of the movable seat 3 is clamped at one end of the limiting plate 19 to realize stable fixation after the liquid crystal screen main body 2 is lifted, the problem of unstable structure caused by driving of the electric lifting rod is avoided, if the liquid crystal display main body 2 needs to be lowered, the button 18 is pressed, the button 18 can drive the limiting plate 19 through the conveying rod 21, the limiting plate 19 is separated from the clamping groove 27, the second motor 15 can stably drive the movable seat 3 to the inner bottom of the chassis 1 through the gear 14 and the rack 17, lifting of the liquid crystal display main body 2 is achieved, the first motor 11 drives the first bevel gear 12 and the second bevel gear 16 to achieve rotation of the worm 13, the worm wheel 26 drives the pin shaft 10 to drive the rotating shaft 6 to drive the liquid crystal display main body 2 to rotate, and due to good self-locking performance of the worm wheel 26 and the worm 13, the liquid crystal display main body 2 can be adjusted front and back, loose adjusting effect of the liquid crystal display main body 2 due to long-term use can be avoided, and the using effect of the liquid crystal display main body 2 is improved.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a LCD screen elevating system, includes quick-witted case (1) and LCD screen main part (2), its characterized in that: the utility model discloses a limit machine case comprises a chassis (1), including inside both sides of chassis (1), fixed sleeve (5), worm wheel (26), worm (26) bottom meshing is connected with worm (13), worm (13) rotate to be connected in moving seat (3), each rotation of moving seat (3) both sides is connected with two pulleys (8), one side one end fixedly connected with gear (14) of moving seat (3) is kept away from to pulley (8), gear (14) with gear (17) meshing is connected, gear (14) one end fixedly connected with second motor (15), second motor (15) fixed connection is in moving seat (3), limit machine case (1) is used for limiting the chassis wall (1) to fall in, limit machine case (1) is provided with limit machine case wall.
2. A liquid crystal display lifting mechanism according to claim 1, wherein: a contact switch (25) is arranged at the rear side of the top of the sliding rail (7), and the contact switch (25) is electrically connected with the second motor (15).
3. A liquid crystal display lifting mechanism according to claim 1, wherein: one end fixedly connected with second bevel gear (16) of worm (13), second bevel gear (16) meshing is connected with first bevel gear (12), first bevel gear (12) fixed connection is at the drive end of first motor (11), first motor (11) are fixed with movable seat (3).
4. A liquid crystal display lifting mechanism according to claim 1, wherein: the top of the case (1) is provided with a through groove, and one side of the through groove is connected with a top door (4) through an elastic hinge (9).
5. A liquid crystal display lifting mechanism according to claim 1, wherein: the limiting component comprises a working groove (23) and a limiting plate (19) rotating in the working groove (23), one end of the limiting plate (19) extending into the chassis (1) is connected with the chassis (1) through a spring (22), the lower part of one end of the limiting plate (19) outside the chassis (1) is rotationally connected with a conveying rod (21), the top end of the conveying rod (21) is rotationally connected with a button (18), the button (18) is slidably arranged in the middle of an extension plate (24), and the extension plate (24) is fixedly connected with the front side of the top of the chassis (1).
6. The liquid crystal display lifting mechanism according to claim 5, wherein: the working groove (23) is arranged in the middle of the front wall of the case (1).
7. A liquid crystal display lifting mechanism according to claim 1, wherein: the middle part of the front wall of the movable seat (3) is provided with a clamping groove (27), and a limiting plate (19) is clamped in the clamping groove (27).
8. The liquid crystal display lifting mechanism according to claim 5, wherein: a baffle ring (20) is arranged on the front side of the working groove (23) and on the front wall of the case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321388267.3U CN220186294U (en) | 2023-06-02 | 2023-06-02 | LCD screen elevating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321388267.3U CN220186294U (en) | 2023-06-02 | 2023-06-02 | LCD screen elevating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220186294U true CN220186294U (en) | 2023-12-15 |
Family
ID=89114035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321388267.3U Active CN220186294U (en) | 2023-06-02 | 2023-06-02 | LCD screen elevating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220186294U (en) |
-
2023
- 2023-06-02 CN CN202321388267.3U patent/CN220186294U/en active Active
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| GR01 | Patent grant | ||
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