CN213018417U - Hand-clamping-prevention lifting all-in-one machine for ultrathin liquid crystal screen - Google Patents
Hand-clamping-prevention lifting all-in-one machine for ultrathin liquid crystal screen Download PDFInfo
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- CN213018417U CN213018417U CN202021146474.4U CN202021146474U CN213018417U CN 213018417 U CN213018417 U CN 213018417U CN 202021146474 U CN202021146474 U CN 202021146474U CN 213018417 U CN213018417 U CN 213018417U
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Abstract
The utility model relates to an anti-pinch lifting all-in-one machine for an ultrathin liquid crystal screen, which comprises a box body, the liquid crystal screen, a lifting mechanism, a corner mechanism and a door opening and closing mechanism, wherein the lifting mechanism and the door opening and closing mechanism are arranged in the box body; the door opening and closing mechanism comprises a pressing wheel, a wheel shaft, a guide seat, a resistance pull rod, a resistance tension spring, a resistance switch, a door opening and closing pull rod, a swing arm mechanism and a turnover door, wherein the pressing wheel is fixedly arranged on the wheel shaft, the wheel shaft is connected with the lower end of the resistance pull rod, the guide seat is arranged between the resistance pull rod and the pressing wheel, the guide seat is fixedly connected with the box body, and the guide seat is provided with a strip-shaped hole in clearance fit with the wheel shaft; the utility model discloses a switch door mechanism can trigger resistance switch and cut off power supply when the tong, avoids the user to be hindered by the clamp, is worth wideling popularize.
Description
Technical Field
The utility model belongs to the technical field of the display, concretely relates to hand lift all-in-one is prevented pressing from both sides by ultra-thin LCD screen.
Background
The full digital conference system fundamentally solves the problems of ground interference, equipment noise, channel crosstalk, long-distance transmission and the like of the early conference system, and has extremely high sound fidelity which is close to the tone quality of CD. Meanwhile, a pair of twisted pair cables or double coaxial cables can transmit multipath original sound and decoded sound signals, so that a complex multi-core cable is avoided, the cost is saved, the construction and wiring are convenient, and the reliability of the system can be enhanced. In addition, as a full digital platform, the full digital conference system can conveniently realize a plurality of value-added application functions, such as independent microphone output, independent recording of the sound of each speaker or independent modification; intercom functions (providing two-way communication functions between the chairman, the conferee representatives, the translator and the operator); short message function (the system administrator may send a short message to all or some of the conference units), etc. The computer control management software of the all-digital conference system has very powerful functions and comprises a plurality of functional modules such as conference room design, microphone management, voting management, conference sign-in, identity recognition, personnel management and the like. The most basic conference system consists of a microphone, a power amplifier, a sound box and desktop display equipment (such as a desktop intelligent terminal and a liquid crystal display); the liquid crystal screen lifting all-in-one machine is a basic desktop display device of a conference system, and when a turning door on a panel of the liquid crystal screen lifting all-in-one machine in the prior art is driven by a motor to be closed, no anti-pinch measure is provided, and the hands of a user are easily pinched.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an ultra-thin LCD screen who avoids the user to be pressed from both sides and hinders prevents tong lift all-in-one just in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a hand-clamping prevention lifting integrated machine for an ultrathin liquid crystal screen comprises a box body, the liquid crystal screen, a lifting mechanism, a corner mechanism and a door opening and closing mechanism, wherein the lifting mechanism and the door opening and closing mechanism are arranged inside the box body;
the lifting mechanism comprises a lifting motor, a synchronous belt, a guide rail and a lifting seat, the lifting seat is connected with the guide rail through a sliding block in a sliding mode, the guide rail is fixedly arranged on the inner wall of the box body, the synchronous belt is wound on the two belt wheels, the lifting seat is fixedly connected with the synchronous belt on one side of the belt wheels through a connecting block, the two belt wheels are fixedly arranged on a belt wheel shaft, the belt wheel shaft is connected with the box body through a bearing, the belt wheel shaft of the belt wheel at the bottom is connected with an output shaft of the lifting. The lifting motor drives the belt wheel to rotate, so as to drive the synchronous belt to rotate around the belt wheel, so as to drive the lifting seat to move through the synchronous belt, and the lifting motor rotates forwards and backwards to drive the lifting seat to lift;
the corner mechanism comprises a corner motor, an eccentric wheel, a movable shaft, a swing arm and a corner seat, the corner motor is arranged on the lifting seat through a motor seat, the eccentric wheel is fixedly arranged on an output shaft of the corner motor, the movable shaft is fixedly arranged on the eccentric wheel and is located in a strip-shaped groove of the swing arm, the upper end of the swing arm is fixedly connected with the corner seat, two ends of the corner seat are rotatably connected with the lifting seat through pin shafts, and the top of the corner seat is fixedly connected with a liquid crystal screen. The angle motor drives the eccentric wheel to rotate, the eccentric wheel drives the movable shaft to move in the strip-shaped groove of the swing arm, and then the lower end of the swing arm is driven to swing, so that the swing arm drives the angle seat and the liquid crystal screen on the angle seat to rotate to realize inclination angle adjustment.
The door opening and closing mechanism comprises a pressing wheel, a wheel shaft, a guide seat, a resistance pull rod, a resistance tension spring, a resistance switch, a door opening and closing pull rod, a swing arm mechanism and a turnover door, the pinch roller is fixedly arranged on a wheel shaft, the wheel shaft is connected with the lower end of a resistance pull rod, a guide seat is arranged between the resistance pull rod and the pinch roller, the guide seat is fixedly connected with a box body, the guide seat is provided with a strip-shaped hole in clearance fit with a wheel shaft, the upper end of the resistance pull rod is connected with the lower end of the door opening and closing pull rod through two guide posts and a moving post, the door opening and closing pull rod is positioned on the inner side of the resistance pull rod, the door opening and closing pull rod is fixedly provided with two guide posts and a moving post, the resistance pull rod is provided with two strip-shaped through grooves in clearance fit with the guide posts and a strip-shaped through groove in clearance fit with the moving post, the door opening and closing pull rod is also connected with the resistance pull rod through a resistance tension spring, and the resistance pull rod above the guide posts is fixedly provided with a resistance; the upper end of the door opening and closing pull rod is connected with the turnover door through a swing arm mechanism. The lifting mechanism drives the lifting seat to descend to the position of the pressure roller, the liquid crystal screen is stored in the box body at the moment, the lifting seat continues to descend to drive the pressure roller to descend, the resistance pull rod is driven to move downwards through the wheel shaft, the resistance pull rod pulls the door opening and closing pull rod to move downwards through the resistance tension spring, the swing arm mechanism further drives the turnover door to turn over and close, if the hand is inserted into the panel opening at the moment, the turnover door is blocked in rotation, the door opening and closing pull rod cannot move downwards along with the resistance pull rod, the resistance pull rod overcomes the elastic force of the spring to move downwards, relative displacement is generated between the resistance pull rod and the door opening and closing pull rod, the moving column moves upwards in the strip-shaped through groove, the resistance switch is triggered quickly, the power supply.
As a further optimization scheme of the utility model, be equipped with on the lift seat with guide rail complex slider, be equipped with on the slider with guide rail clearance fit's groove. The guide of the lifting seat is realized through the matching of the guide rail and the sliding block.
As a further optimization scheme of the utility model, be equipped with on resistance pull rod and the switch door pull rod with resistance extension spring complex couple, the both ends of resistance extension spring are fixed respectively on the couple of resistance pull rod and switch door pull rod.
As the utility model discloses a further optimization scheme, swing arm mechanism turns over a door seat, turns over the door plant, turns over a pivot and linkage round pin axle including turning over a door seat, turning over a door plant, turns over a door seat fixed connection box through turning over a pivot connection at the middle part of turning over the door plant, turns over the rear portion of door plant and links round pin hub rotation and be connected, and the linkage round pin axle passes the arc that turns over on a door seat and leads to the groove to rotate with the upper end of switch door pull rod and be connected. The downward movement of the door opening and closing pull rod drives the linkage pin shaft to move in the arc-shaped through groove, so that the turnover door plates are driven to rotate around the turnover door rotating shaft, the turnover door between the left turnover door plate and the right turnover door plate rotates to an opening on a top panel of the box body around the turnover door rotating shaft, and the opening is sealed. When the liquid crystal screen extends out, the turnover door is pushed open.
As a further optimization scheme of the utility model, the switch door pull rod passes through the extension spring that resets and connects the box. When the lifting seat drives the liquid crystal display to rise, the reset tension spring pulls the door opening and closing pull rod to rise to drive the turnover door to open.
The beneficial effects of the utility model reside in that:
1) the utility model discloses a switch door mechanism can trigger resistance switch and cut off power supply when the tong, avoids the user to be hindered by the clamp.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention in the first embodiment;
fig. 2 is a schematic view of the internal front structure of the present invention according to the first embodiment;
fig. 3 is a schematic view of the internal side structure of the present invention according to the first embodiment;
fig. 4 is a schematic structural diagram of a corner mechanism according to the first embodiment of the present invention;
fig. 5 is a schematic structural view of a swing arm mechanism according to the first embodiment of the present invention.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; in the description of the present invention, "a plurality" or "a plurality" means two or more unless otherwise specified.
Example one
As shown in fig. 1-5, an ultrathin liquid crystal screen anti-pinch lifting all-in-one machine comprises a box body 1, a liquid crystal screen 2, a lifting mechanism, a corner mechanism and a door opening and closing mechanism, wherein the lifting mechanism and the door opening and closing mechanism are arranged in the box body 1, the corner mechanism is arranged on the lifting mechanism, and the corner mechanism is connected with the liquid crystal screen 2;
elevating system includes elevator motor 3, hold-in range 4, guide rail 5 and lift seat 6, lift seat 6 passes through slider sliding connection guide rail 5, guide rail 5 is fixed to be located on 1 inner wall of box, hold-in range 4 is around on two band pulleys, lift seat 6 passes through hold-in range 4 of connecting block fixed connection band pulley one side, two band pulleys are fixed to be located on the band pulley shaft, the band pulley shaft passes through the bearing and connects box 1, the band pulley shaft of the band pulley of bottom passes through the output shaft of coupling joint elevator motor 3, elevator motor 3 passes through the motor cabinet and connects box 1. The lifting motor 3 drives the belt wheel to rotate, so as to drive the synchronous belt 4 to rotate around the belt wheel, so as to drive the lifting seat 6 to move through the synchronous belt 4, and the lifting motor 3 rotates forwards and backwards to drive the lifting seat 6 to lift;
the corner mechanism comprises a corner motor 7, an eccentric wheel 8, a movable shaft 9, a swing arm 10 and a corner seat 11, the corner motor 7 is arranged on the lifting seat 6 through a motor seat, the eccentric wheel 8 is fixedly arranged on an output shaft of the corner motor 7, the movable shaft 9 is fixedly arranged on the eccentric wheel 8, the movable shaft 9 is located in a strip-shaped groove of the swing arm 10, the upper end of the swing arm 10 is fixedly connected with the corner seat 11, two ends of the corner seat 11 are rotatably connected with the lifting seat 6 through pin shafts, and the top of the corner seat 11 is fixedly connected with the liquid crystal screen 2. The angle motor 7 drives the eccentric wheel 8 to rotate, the eccentric wheel 8 drives the movable shaft 9 to move in the strip-shaped groove of the swing arm 10, and then the lower end of the swing arm 10 is driven to swing, so that the swing arm 10 drives the angle seat 11 and the liquid crystal screen 2 on the angle seat to rotate to realize inclination angle adjustment.
The door opening and closing mechanism comprises a pinch roller 12, a wheel shaft, a guide seat 13, a resistance pull rod 14, a resistance tension spring 15, a resistance switch 16, a door opening and closing pull rod 17, a swing arm mechanism and a turnover door, wherein the pinch roller 12 is fixedly arranged on the wheel shaft, the wheel shaft is connected with the lower end of the resistance pull rod 14, the guide seat 13 is arranged between the resistance pull rod 14 and the pinch roller 12, the guide seat 13 is fixedly connected with the box body 1, the guide seat 13 is provided with a strip-shaped hole in clearance fit with the wheel shaft, the upper end of the resistance pull rod 14 is connected with the lower end of the door opening and closing pull rod 17 through two guide columns 18 and a moving column 19, the door opening and closing pull rod 17 is positioned at the inner side of the resistance pull rod 14, the door opening and closing pull rod 17 is fixedly provided with two guide columns 18 and a moving column 19, the resistance pull rod 14 is provided with two strip-shaped through grooves in clearance fit with the guide columns 18, a resistance switch 16 is fixedly arranged on the resistance pull rod 14 above the guide post 18; the upper end of the door opening and closing pull rod 17 is connected with the turnover door through a swing arm mechanism. The lifting mechanism drives the lifting seat 6 to descend to the position of the pressing wheel 12, the liquid crystal screen 2 is stored in the box body 1 at the moment, the lifting seat 6 continues to descend to drive the pressing wheel 12 to descend, the resistance pull rod 14 is driven to move downwards through the wheel shaft, the resistance pull rod 14 pulls the door opening and closing pull rod 17 to move downwards through the resistance tension spring 15, the swing arm mechanism drives the turnover door to turn over and close, if a hand is inserted into the panel opening at the moment, the rotation of the turnover door is blocked, the door opening and closing pull rod 17 cannot move downwards along with the resistance pull rod 14, the resistance pull rod 14 overcomes the elastic force of the spring to move downwards, relative displacement is generated between the resistance pull rod 14 and the door opening and closing pull rod 17, the movable column 19 moves upwards in the strip-shaped through groove, the resistance switch 16 is triggered quickly, the power supply is cut off.
Furthermore, a sliding block matched with the guide rail 5 is arranged on the lifting seat 6, and a groove in clearance fit with the guide rail 5 is arranged on the sliding block. The guide of the lifting seat 6 is realized through the matching of the guide rail 5 and the slide block.
Furthermore, hooks matched with the resistance tension spring 15 are arranged on the resistance pull rod 14 and the door opening and closing pull rod 17, and two ends of the resistance tension spring 15 are respectively fixed on the hooks of the resistance pull rod 14 and the door opening and closing pull rod 17.
Further, the swing arm mechanism comprises a door turning seat 21, a door turning plate 22, a door turning rotating shaft 23 and a linkage pin shaft 24, the door turning seat 21 is fixedly connected with the box body 1, the middle part of the door turning plate 22 is connected with the door turning seat 21 through the door turning rotating shaft 23, the rear part of the door turning plate 22 is rotatably connected with the linkage pin shaft 24, and the linkage pin shaft 24 penetrates through an arc-shaped through groove in the door turning seat 21 and is rotatably connected with the upper end of the door opening and closing pull rod 17. The downward movement of the door opening and closing pull rod 17 drives the linkage pin shaft 24 to move in the arc-shaped through groove, and further drives the turnover door plates 22 to rotate around the turnover door rotating shaft 23, so that the turnover door between the left and right turnover door plates 22 rotates around the turnover door rotating shaft 23 to the opening on the top panel of the box body 1, and the opening is sealed. When the liquid crystal screen 2 extends out, the turnover door is pushed open.
Furthermore, the corner motor 7 and the lifting motor 3 are connected with a control panel 31 through drivers, an upper limit switch 32 is arranged on the upper portion of the inner wall of the box body 1, a lower limit switch 33 is arranged on the lower portion of the inner wall of the box body 1, the upper limit switch 32, the lower limit switch 33 and the resistance switch 16 are all connected with the control panel 31, and the control panel 31 is connected with a power supply.
Further, the door opening and closing pull rod 17 is connected with the box body 1 through a reset tension spring. When the lifting seat 6 drives the liquid crystal screen 2 to rise, the reset tension spring pulls the door opening and closing pull rod 17 to rise to drive the turnover door to open.
The necessary distance that the movable column 19 moves from the bottom of the strip-shaped groove to the trigger resistance switch 16 is D, and the elastic force of the resistance tension spring 15 is far larger than the turning resistance when the stretching length of the resistance tension spring reaches D, so that the condition is that the movable column 19 triggers the resistance switch 16 because the elastic force of the resistance spring is large due to the turning resistance when no human hand is blocked.
As a working process in conjunction with the existing control panel 31:
the product is hidden under a desk before being used, and the desk top is neat without the liquid crystal screen 2 on the desk top.
When in use, the liquid crystal screen 2 is required to be lifted, the lifting motor 3 rotates forwards to drive the liquid crystal screen 2 to be lifted by pressing a lifting key button on the control panel 31, the pressing wheel 12 is separated from the lifting seat 6, the turnover door is opened under the action of the tension of the reset tension spring, and simultaneously, the lifting seat 6 of the liquid crystal screen 2 moves upwards under the guide of the two guide rails 5 under the transmission action of the synchronous belt 4, when the rising height of the liquid crystal screen 2 lifting seat 6 reaches the upper limit switch 32, the lifting motor 3 stops rotating, meanwhile, the control panel 31 turns on the corner motor 7 to rotate clockwise, the corner motor 7 drives the liquid crystal screen 2 to be fixed on the circular shaft to rotate, by controlling the rotation angle of the rotation angle motor 7, the liquid crystal screen 2 is controlled to rotate by 10 degrees, the lifting key is pressed again, the liquid crystal screen 2 rotates by 10 degrees again, the control panel 31 turns on the power supply of the liquid crystal screen 2 for the user to use, and the whole lifting process is completed.
Through control panel 31, press the decline key once, open corner motor 7 and make reverse anticlockwise rotation, when 2 with the panel of LCD screen are perpendicular, corner motor 7 stops, the ascending decline motor of master control program control makes reverse anticlockwise rotation, synchronizing wheel hold-in range 4 drives 2 lift seats 6 descendants of LCD screen, 2 lift seats 6 synchronous descent of LCD screen, when lift seat 6 descends to a take the altitude, lift seat 6 descends and touches pinch roller 12, the pull rod pulling on the pinch roller 12 closes the door mechanism and closes the door, limit screw on the slider touches down limit switch 33 simultaneously, whole process stops.
When the liquid crystal display 2 is not needed, the liquid crystal display descends below a desktop, a descending key is pressed through the control panel 31, the corner motor 7 rotates reversely and anticlockwise, when the liquid crystal display 2 is vertical to the panel, the corner motor 7 stops, the lifting motor 3 is opened to rotate reversely and anticlockwise, the lifting seat 6 of the liquid crystal display 2 is driven to descend, the lifting seat 6 descends to touch the pressing wheel 12 when descending to a certain height, the resistance pull rod 14 on the pressing wheel 12 pulls the door closing mechanism to close the door, if the hand of an operator is placed in the door closing position, the door is closed to press the hand, the resistance switch 16 is triggered at this time, a power supply is cut off, the hand of the operator is free from the door closing extrusion and is safely separated, meanwhile, the lifting motor 3 stops rotating, after the descending key is pressed again, the lifting mechanism continues to descend to touch the lower limit switch 33.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (5)
1. The utility model provides an ultra-thin LCD screen prevents tong lift all-in-one which characterized in that: the liquid crystal display cabinet comprises a cabinet body, a liquid crystal screen, a lifting mechanism, a corner mechanism and a door opening and closing mechanism, wherein the lifting mechanism and the door opening and closing mechanism are arranged in the cabinet body;
the lifting mechanism comprises a lifting motor, a synchronous belt, a guide rail and a lifting seat, the lifting seat is connected with the guide rail through a sliding block in a sliding manner, the guide rail is fixedly arranged on the inner wall of the box body, the synchronous belt is wound on two belt wheels, the lifting seat is fixedly connected with the synchronous belt on one side of the belt wheels through a connecting block, the two belt wheels are fixedly arranged on a belt wheel shaft, the belt wheel shaft is connected with the box body through a bearing, the belt wheel shaft of the belt wheel at the bottom is connected with an output shaft of the lifting motor;
the corner mechanism comprises a corner motor, an eccentric wheel, a movable shaft, a swing arm and a corner seat, the corner motor is arranged on the lifting seat through a motor seat, the eccentric wheel is fixedly arranged on an output shaft of the corner motor, the movable shaft is fixedly arranged on the eccentric wheel and is positioned in a strip-shaped groove of the swing arm, the upper end of the swing arm is fixedly connected with the corner seat, two ends of the corner seat are rotatably connected with the lifting seat through pin shafts, and the top of the corner seat is fixedly connected with a liquid crystal screen;
the door opening and closing mechanism comprises a pressing wheel, a wheel shaft, a guide seat, a resistance pull rod, a resistance tension spring, a resistance switch, a door opening and closing pull rod, a swing arm mechanism and a turnover door, the pinch roller is fixedly arranged on a wheel shaft, the wheel shaft is connected with the lower end of a resistance pull rod, a guide seat is arranged between the resistance pull rod and the pinch roller, the guide seat is fixedly connected with a box body, the guide seat is provided with a strip-shaped hole in clearance fit with a wheel shaft, the upper end of the resistance pull rod is connected with the lower end of the door opening and closing pull rod through two guide posts and a moving post, the door opening and closing pull rod is positioned on the inner side of the resistance pull rod, the door opening and closing pull rod is fixedly provided with two guide posts and a moving post, the resistance pull rod is provided with two strip-shaped through grooves in clearance fit with the guide posts and a strip-shaped through groove in clearance fit with the moving post, the door opening and closing pull rod is also connected with the resistance pull rod through a resistance tension spring, and the resistance pull rod above the guide posts is fixedly provided with a resistance; the upper end of the door opening and closing pull rod is connected with the turnover door through a swing arm mechanism.
2. The ultra-thin liquid crystal display anti-pinch lifting all-in-one machine of claim 1, characterized in that: the lifting seat is provided with a sliding block matched with the guide rail, and the sliding block is provided with a groove in clearance fit with the guide rail.
3. The ultra-thin liquid crystal display anti-pinch lifting all-in-one machine of claim 1, characterized in that: the resistance pull rod and the door opening and closing pull rod are provided with hooks matched with the resistance tension springs, and two ends of each resistance tension spring are respectively fixed on the hooks of the resistance pull rod and the door opening and closing pull rod.
4. The ultra-thin liquid crystal display anti-pinch lifting all-in-one machine of claim 1, characterized in that: the swing arm mechanism comprises a door turning seat, a door turning plate, a door turning rotating shaft and a linkage pin shaft, the door turning seat is fixedly connected with the box body, the middle part of the door turning plate is connected with the door turning seat through the door turning rotating shaft, the rear part of the door turning plate is rotationally connected with the linkage pin shaft, and the linkage pin shaft penetrates through the arc-shaped through groove in the door turning seat and is rotationally connected with the upper end of the door opening and closing pull rod.
5. The ultra-thin liquid crystal display anti-pinch lifting all-in-one machine of claim 1, characterized in that: the door opening and closing pull rod is connected with the box body through a reset tension spring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202021146474.4U CN213018417U (en) | 2020-06-19 | 2020-06-19 | Hand-clamping-prevention lifting all-in-one machine for ultrathin liquid crystal screen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202021146474.4U CN213018417U (en) | 2020-06-19 | 2020-06-19 | Hand-clamping-prevention lifting all-in-one machine for ultrathin liquid crystal screen |
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CN213018417U true CN213018417U (en) | 2021-04-20 |
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CN202021146474.4U Active CN213018417U (en) | 2020-06-19 | 2020-06-19 | Hand-clamping-prevention lifting all-in-one machine for ultrathin liquid crystal screen |
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CN (1) | CN213018417U (en) |
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2020
- 2020-06-19 CN CN202021146474.4U patent/CN213018417U/en active Active
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