CN102313123B - A kind of automatic lifting device for liquid crystal display, LCD TVs - Google Patents
A kind of automatic lifting device for liquid crystal display, LCD TVs Download PDFInfo
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- CN102313123B CN102313123B CN201110237005.2A CN201110237005A CN102313123B CN 102313123 B CN102313123 B CN 102313123B CN 201110237005 A CN201110237005 A CN 201110237005A CN 102313123 B CN102313123 B CN 102313123B
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Abstract
The present invention relates to a kind of automatic lifting device for liquid crystal display, LCD TVs, it comprises lowering or hoisting gear, and this lowering or hoisting gear comprises: lifting frame, the first turbine and worm motor, screw mandrel, screw connecting piece, secondary lever, mounting bracket and limit switch; This lifting frame comprises: fixing bottom-plate, a pair three joint trough of belt slide rails, and the first fixed block; This screw mandrel is positioned at the center of fixing bottom-plate, vertical with fixing bottom-plate; This screw connecting piece is set on screw mandrel, and its two ends are separately fixed at the inside lower end of Section of three slide rail; This secondary lever dolly is arranged on the middle part of second section slide rail; Hinge sheet metal is fixedly installed on the inner top side of Section of three slide rail.Automatic lifting device provided by the invention, can control lowering or hoisting gear easily by intelligent central control system and accurately run, safe and reliable, easy to use, make to lay liquid crystal display, LCD TVs desktop more attractive in appearance, easy to use, shake little, can also be dust-proof.
Description
Technical field
The present invention relates to a kind of jacking equipment, specifically, relate to and to be a kind ofly arranged in a body and the hidden automatic lifting device for liquid crystal display, LCD TVs need be elevated.
Background technique
Along with the generally use of liquid crystal display, LCD TVs, it is found that, in actual use, when this equipment not used time, on limited desktop, certain obstacle can be caused, and impact entirety is attractive in appearance, even may drop because of collision or damage, and, be easy to long-pending upper dust, increase and safeguard and clean cost.Especially in some high-end business meeting occasions, conference voting etc., had both needed to allow every participant have independently display device to use, and had not needed again to put to hinder overall image on the table always.Therefore, a kind of device that can make its stealth when not using display device of exploitation is needed badly.
Summary of the invention
The object of this invention is to provide a kind of automatic lifting device, this jacking equipment is arranged in a body, be convenient to stealth when liquid crystal display or LCD TVs do not use, when it is desired to be used, control this jacking equipment by remote controller or hand switch to move upward, liquid crystal display or LCD TVs are placed into suitable position; When not needing to use, controlling this jacking equipment and moving downward, liquid crystal display or LCD TVs being stored, both saved space, visually attractive in appearance, and, can facilitate to a certain extent, dust-proof, prevent vibrations, save and safeguard and cleaning cost, delay working life.
In order to achieve the above object, the invention provides a kind of automatic lifting device for liquid crystal display, LCD TVs, this automatic lifting device comprises lowering or hoisting gear, and this lowering or hoisting gear comprises: lifting frame, the first turbine and worm motor, screw mandrel, screw connecting piece, secondary lever, mounting bracket and limit switch;
Described lifting frame comprises:
Fixing bottom-plate, described lowering or hoisting gear is fixedly installed on this fixing bottom-plate;
Be fixedly installed on a pair three of fixing bottom-plate both sides joint trough of belt slide rails, this three joints trough of belt slide rail comprises: be arranged on outermost first segment slide rail, be arranged on the second section slide rail of intermediate portion and be arranged on Section of three slide rail of inner side; This three joints trough of belt slide rail is symmetrical arranged, and is parallel to each other between slide rail, and vertical with fixing bottom-plate, and,
First fixed block, the lower end of this first fixed block is fixed on fixing bottom-plate;
The first described turbine and worm motor is arranged on fixing bottom-plate, is positioned at lifting frame, and wherein, the gear of turbine and worm screw is vertical setting;
Described screw mandrel is positioned at the center of fixing bottom-plate, and vertically with fixing bottom-plate arranges, and the bottom of this screw mandrel is fixed on fixing bottom-plate through turbine, and the top of this screw mandrel is fixed on the upper end of described first fixed block, and this screw mandrel is parallel with the first fixed block;
Described screw connecting piece is set on screw mandrel, and parallel with fixing bottom-plate, and the two ends of this screw connecting piece are separately fixed at the inside lower end of Section of three slide rail; This screw connecting piece is also provided with bump;
Described secondary lever comprises the first lever and second lever of flexible connection, and this secondary lever is arranged on the middle part of second section slide rail by lever dolly; When not by External Force Acting, this secondary lever is linearly, and is parallel to these a pair three joint trough of belt slide rails;
Described mounting bracket is fixedly installed on the inner top side of Section of three described slide rail, this mounting bracket is by hinge form and wind spring, connect another sheet metal to be fixedly connected with liquid crystal display or LCD TVs back bolt, liquid crystal display or LCD TVs be not when by external force, naturally vertical, parallel with slide rail.
The above-mentioned automatic lifting device for liquid crystal display, LCD TVs, wherein, this automatic lifting device also comprises intelligent central control system, and this intelligent central control system adopts communications protocol or provides dry contact signal, realizes the connection of intelligent central control system and lowering or hoisting gear.
The above-mentioned automatic lifting device for liquid crystal display, LCD TVs, wherein, this lowering or hoisting gear also comprises: arrange removable cover on the table, this removable cover is fixed on fixed support on the table by extension spring or wind spring.
The above-mentioned automatic lifting device for liquid crystal display, LCD TVs, wherein, described limit switch comprises: the first limit switch being arranged on described first fixed block upper end, and, be arranged on the second limit switch on fixing bottom-plate.
The above-mentioned automatic lifting device for liquid crystal display, LCD TVs, wherein, connects Section of three slide rail in the first half of described second section slide rail, the external first segment slide rail of Lower Half of this second section slide rail.
The above-mentioned automatic lifting device for liquid crystal display, LCD TVs, wherein, any one end of this first lever and any one end of the second lever are all fixedly connected on lever dolly by extension spring or wind spring, the top of this second lever is provided with rubber wheel, to facilitate leaning liquid crystal display or LCD TVs.
The above-mentioned automatic lifting device for liquid crystal display, LCD TVs, wherein, described mounting bracket is sheet metal support, and it is flexibly connected with the second sheet metal by hinge and wind spring, and this second sheet metal and liquid crystal display or LCD TVs back are bolted to connection.
The above-mentioned automatic lifting device for liquid crystal display, LCD TVs, wherein, described lifting frame also comprises: two ends are fixedly installed on the second fixed block of first segment slide rail outer upper end, and this second fixed block is fixedly connected with in vertical with the first fixed block.
The above-mentioned automatic lifting device for liquid crystal display, LCD TVs, wherein, this automatic lifting device also comprises: be arranged on the rotating control assembly under lowering or hoisting gear fixing bottom-plate, and this rotating control assembly is fixed on mounting base, and this rotating control assembly comprises:
Be fixedly installed on the second turbine and worm motor on mounting base;
The first gear coaxially arranged with the turbine of the second turbine and worm motor;
Be nested with by the second gear that engagement is arranged on the first gear, this second gear is internal gear;
Be arranged on the shell of the second gear exterior, this shell is also symmetrically arranged with thrust; Outside and the fixing bottom-plate of this shell are fixed, and inside and second gear of this shell are fixed; And
Be symmetricly set on the 3rd corresponding with the thrust on the shell respectively limit switch on mounting base and the 4th limit switch.
The above-mentioned automatic lifting device for liquid crystal display, LCD TVs, wherein, this automatic lifting device also comprises: be arranged on the rotating control assembly under lowering or hoisting gear fixing bottom-plate, and this rotating control assembly is fixed on mounting base, and this rotating control assembly comprises:
Be fixedly installed on the second turbine and worm motor on mounting base;
The first gear coaxially arranged with the turbine of the second turbine and worm motor;
Second gear, this second gear is external gear, and the outside of this external gear is connected setting with the first gear in the mode engaged;
Be arranged on the shell of the second gear exterior, this housing interior side-wall be also symmetrically arranged with thrust (for limit switch contact); Outside and the fixing bottom-plate of this shell are fixed, and the inside of this shell and the upper end of central shaft and flange seat are fixed, and this central shaft lower end is fixed on mounting base, and
Be symmetricly set on the 3rd corresponding with the thrust on the shell respectively limit switch on mounting base and the 4th limit switch.
Automatic lifting device of the present invention utilizes limit switch to control, can liquid crystal display or LCD TVs be stablely driven to move up and down swimmingly, shrink freely: when needs use liquid crystal display or LCD TVs, open automatic lifting device switch, first turbine and worm motor rotates forward, drive the upwards translation of this lowering or hoisting gear, when liquid crystal display or LCD TVs upwards move to the removable cover that top touches on desktop, removable cover is removed, when liquid crystal display or LCD TVs move on desktop completely, screw connecting piece upwards moves to screw mandrel top, touch the first limit switch on the first fixed block, close the first turbine and worm motor, stop motion, simultaneously, bump top on screw connecting piece is to the first lever lower end of secondary lever, first lever lower end is outwards tilted, thus drive the upper end of the second lever outwards to tilt, the upper end of this second lever is by liquid crystal display or the outside jack-up of LCD TVs, thus make the outward-dipping several angle in the lower end of liquid crystal display or LCD TVs, be convenient for people to use.When not needing to use liquid crystal display or LCD TVs, press the X button of automatic lifting device, first turbine and worm motor counterrotating, drive screw mandrel counterrotating, thus drive screw connecting piece smoothly movement downwards, bump on screw connecting piece departs from the lower end of the first lever, it is made to lose External Force Acting, thus be returned to original position, drive the upper end returning position of the second lever, depart from and the contacting of liquid crystal display or LCD TVs, liquid crystal display or LCD TVs lose external force, be returned to original position, naturally vertical, downward parallel sliding under the drive of screw connecting piece, when desktop is slided on the top of liquid crystal display or LCD TVs, removable cover loses external force, be returned to original position, naturally lid on the table, reach attractive in appearance and dust-proof object, when screw connecting piece moves to screw mandrel bottom downwards, touch the second limit switch on fixing bottom-plate, thus close the first turbine and worm motor, stop motion, complete the storage vanning to liquid crystal display or LCD TVs.
Another technological scheme of the present invention also comprises and the intelligent central control system of described automatic lifting device by electronic control panel circuit communication, this intelligent central control system adopts communications protocol or provides dry contact signal, realize the connection of intelligent central control system and lowering or hoisting gear and hatch cover plate shifter, the running state of automatic lifting device can be observed and control by this intelligent central control system easily.
In another technological scheme of the present invention, the LCD TVs of installing can also be automatically rotated to best use angle, this technological scheme, by interlocking the safety that realizes in lifting process, because misoperation starts to rotate simultaneously when there will not be elevating movement, causes the damage of LCD TVs.
Therefore, automatic lifting device provided by the invention, the storage for liquid crystal display or LCD TVs is stealthy, and motion stabilization is smooth gently, can be shockproof, the angle of adjustable liquid crystal display or LCD TVs, when not using, is packed up by this automatic lifting device, safe and reliable, and make desktop seem more attractive in appearance, and easy to use, dust-proof effect can also be reached.
Accompanying drawing explanation
Fig. 1 is the plan view of a kind of automatic lifting device for liquid crystal display, LCD TVs of the present invention.
Fig. 2 is the schematic diagram that a kind of automatic lifting device for liquid crystal display, LCD TVs of the present invention is in propradation.
Fig. 3 is a kind of side view of automatic lifting device when using liquid crystal display, LCD TVs for liquid crystal display, LCD TVs of the present invention.
Fig. 4 is a kind of whole structure schematic diagram of automatic lifting device when using liquid crystal display, LCD TVs for liquid crystal display, LCD TVs of the present invention.
Fig. 5 is the schematic diagram that a kind of automatic lifting device for liquid crystal display, LCD TVs of the present invention is in decline state.
Fig. 6 is a kind of side view of automatic lifting device when not using liquid crystal display, LCD TVs for liquid crystal display, LCD TVs of the present invention.
Fig. 7 is the whole structure schematic diagram of a kind of automatic lifting device for liquid crystal display, LCD TVs of the present invention when not using liquid crystal display, LCD TVs.
Fig. 8 is the plan view of the embodiment 2 of a kind of automatic lifting device for liquid crystal display, LCD TVs of the present invention.
Fig. 9 is the vanning plan view of the embodiment 3 of a kind of automatic lifting device for liquid crystal display, LCD TVs of the present invention.
Figure 10 is the structural representation of the embodiment 2 of a kind of automatic lifting device for liquid crystal display, LCD TVs of the present invention.
Figure 11 is the structural representation of the embodiment 3 of a kind of automatic lifting device for liquid crystal display, LCD TVs of the present invention.
Embodiment
Below in conjunction with accompanying drawing 1 ~ 11, technological scheme of the present invention is described further.
Embodiment 1
As shown in Figure 1, one embodiment of the present of invention, provide a kind of automatic lifting device for liquid crystal display, LCD TVs, it comprises:
Lowering or hoisting gear 100 and the intelligent central control system (not shown) be connected with this lowering or hoisting gear 100 circuit; Described intelligent central control system, by electronic control panel, adopts communications protocol and provides dry contact signal, realizing the connection of intelligent central control system and lowering or hoisting gear 100; Accurately operate lifting apparatus, with hydrodynamic crystal display or the upper and lower smooth motion of LCD TVs can be facilitated by intelligent central control system.
As shown in Figure 1, lowering or hoisting gear 100 of the present invention is arranged in the cavity 201 of desk 200, and this lowering or hoisting gear 100 comprises: lifting frame, the first turbine and worm motor 120, screw mandrel 130, screw connecting piece 140, secondary lever 150, mounting bracket 160 and limit switch.
Described lifting frame comprises: desk fixing bottom-plate 111, and this lowering or hoisting gear 100 is fixedly installed on this fixing bottom-plate 111.
Described lifting frame also comprises: be fixedly installed on a pair three joint trough of belt slide rails 112 fixing bottom-plate 111 being positioned at both sides, to extend the lifting position of this lowering or hoisting gear 100, and run more firm.This three joints trough of belt slide rail comprises and is arranged on outermost first segment slide rail 1121, is arranged on the second section slide rail 1122 of intermediate portion and is arranged on Section of three slide rail 1123 of inner side.Connect Section of three slide rail 1123 in the first half of this second section slide rail 1122, the external first segment slide rail 1121 of Lower Half of this second section slide rail 1122, this second section slide rail 1122 mainly plays and makes slide rail run more firm effect.This is symmetrical arranged slide rail 112, is parallel to each other, and vertical with fixing bottom-plate 111; More firm in order to make to be connected between fixing bottom-plate 111 with slide rail 112, trapezoidal plate can be used as connection assist.
Described lifting frame also comprises: be fixedly installed on the first fixed block 113 in the middle part of fixing bottom-plate 111 and vertical with fixing bottom-plate 111, this the first fixed block 113 is the thin plate of the vertical crimping in two ends, the lower end of this first fixed block 113 is fixed on fixing bottom-plate 111, in preferred technological scheme, the upper end of this first fixed block 113 is also provided with the first limit switch 171, the top of screw mandrel 130 is moved on on screw connecting piece 140 is parallel, the first limit switch 171 can be touched, then the first limit switch 171 cuts out the first turbine and worm motor 120, makes it out of service.
In preferred technological scheme, in order to maintain the parallel of slide rail 112 and firm first fixed block 113 further, assist and maintain the steady of lowering or hoisting gear, the first fixed block 113 is avoided to seesaw, the stability that when ensureing that liquid crystal display or LCD TVs are elevated, lowering or hoisting gear slides, described lifting frame can also comprise: two ends are fixedly installed on the second fixed block 114 of first segment slide rail 1121 outer upper end, this second fixed block 114 is thin plate, and the middle part of this second fixed block 114 is fixedly connected with in vertical with the first fixed block 113.
The first described turbine and worm motor 120 is arranged on fixing bottom-plate 111, be positioned at lifting frame, wherein, the gear of turbine and worm screw is vertical setting, play and change direction, and the effect of increasing power, the first turbine and worm motor 120 controls rotational velocity and the direction of screw mandrel 130 by turbine and worm.
Described screw mandrel 130 is positioned at the center of fixing bottom-plate 111, and vertically with fixing bottom-plate 111 arranges, and this screw mandrel 130 is parallel with the first fixed block 113.The bottom of this screw mandrel 130 is through turbine, and be fixed on fixing bottom-plate 111 by bearing support, the top of this screw mandrel 130 is fixed on by bearing support on the thin plate of the first fixed block 113 upper end, in preferred technological scheme, fixing bottom-plate 111 is also provided with the second limit switch 172, this second limit switch 172 is fixed on fixing bottom-plate 111 by support, when screw connecting piece 140 is parallel move down into the bottom of screw mandrel 130 time, this the second limit switch can be touched, then the second limit switch can cut out the first turbine and worm motor, lowering or hoisting gear is made to rest on this position.
Described screw connecting piece 140 is set on screw mandrel 130, this screw connecting piece 140 is parallel with fixing bottom-plate 111, the two ends of this screw connecting piece 140 are separately fixed at the inside lower end of Section of three slide rail 1123, drive when screw mandrel 130 rotates this screw connecting piece 140 to slide up and down, be provided with through hole in this screw connecting piece 140, in this through hole, be provided with the screw thread corresponding with screw mandrel 130, be set on screw mandrel 130, it adopts copper material, to reduce frictional force, increases the service life.The center of described screw mandrel 130, screw connecting piece 140 and a pair slide rail 112 is consistent, is located on the same line, to ensure the smoothness run of lowering or hoisting gear.Described screw connecting piece 140 is also provided with bump 141, and when screw connecting piece moves to the top of screw mandrel, this bump 141 can withstand the lower end of secondary lever 150.This bump 141 can be support, also can be the projection of shaft, rod shape thing, tablet or other shape, play the effect of the lower end of withstanding secondary lever.
Described secondary lever 150 comprises the first lever 151 and the second lever 152 of flexible connection, this secondary lever 150 is arranged on the middle part of second section slide rail 1122 by lever dolly 153, the top of this second lever 152 is also provided with rubber wheel 154, facilitates the second lever leaning liquid crystal display or LCD TVs; Any one end of this first lever 151 and any one end of the second lever 152 are all fixedly connected on lever dolly 153 by extension spring or wind spring; When not by External Force Acting, this secondary lever 150 linearly (namely the first lever 151 is straight line with the second lever 152, naturally vertically), and be parallel to this pair slide rail 112 and liquid crystal display or LCD TVs.
Described mounting bracket 160 is sheet metal support, it is fixedly installed on Section of three described slide rail 1123 inner top side, the back of this liquid crystal display or LCD TVs 161 is bolted to connection on the second sheet metal 163, and this sheet metal 163 is movably fixed on this sheet metal support by hinge and volume semi-annular jade pendant 162.
In preferred technological scheme, described lowering or hoisting gear 100 also comprises: arrange removable cover 180 on the table, this removable cover 180 is fixed on fixed support 181 on the table by extension spring or wind spring, when there is no External Force Acting, this removable cover 180 keeps level naturally, covers desktop and keeps attractive in appearance; When apparatus for automatically lifting drives liquid crystal display or LCD TVs to rise to desktop, this external force makes this removable cover naturally start.
As shown in Figure 2, when needs liquid crystal display or LCD TVs use, press and open button, first turbine and worm motor 120 runs, rotate forward, screw mandrel 130 is driven to rotate, thus make screw connecting piece 140 upward sliding, open three joint slide rails 112, drive liquid crystal display or LCD TVs 161 upwards parallel sliding, when screw connecting piece 140 moves to the top of screw mandrel 130, the bottom of liquid crystal display or LCD TVs 161 just reaches on desktop completely, screw connecting piece 140 touches the first limit switch 171, close the first turbine and worm motor 120, screw mandrel 130 stops operating, screw connecting piece 140 also maintains static, slide rail 112 also stop motion.Simultaneously, bump 141 on screw connecting piece 140 touches the lower end of the first lever 151 of secondary lever, first lever 151 lower end is outwards tilted, so the upper end of the first lever 151 is inwardly stuck up, thus, the lower end of the second lever 152 be flexibly connected with the first lever 151 is driven inwardly to stick up, the upper end of the second lever 152 is finally made outwards to tilt, promotion liquid crystal display or LCD TVs 161 outwards tilt several angle, thus ensure that user has best use angle, as shown in Figure 3, Figure 4.
As shown in Figure 5, when not needing to use liquid crystal display or LCD TVs, press X button, first turbine and worm motor 120 runs, counterrotating, drive screw mandrel 130 counterrotating, make screw connecting piece 140 slide downward, screw connecting piece 140 departs from the contact with the first lever 151 of secondary lever, first lever 151 loses external force, get back to the original position parallel with slide rail, thus drive the contact of the second lever 152 disengaging and liquid crystal display or lower end, LCD TVs 161 back, get back to the original position parallel with slide rail, first lever 151 and the second lever 152 is linearly naturally droops, and liquid crystal display or LCD TVs 161 lose external force, also the state parallel with slide rail is returned to, under the drive of screw connecting piece 140, parallel slide downward, until screw connecting piece 140 moves to the bottom of screw mandrel, touch the second limit switch 172, close the first turbine and worm motor 120, screw mandrel 130 stops the rotation, screw connecting piece 140 also stop motion, three joint slide rails 112 are packed up completely, liquid crystal display or LCD TVs 161 are statically placed on the fixing bottom-plate 111 of desk, as Fig. 6, shown in Fig. 7.
Embodiment 2
As shown in Fig. 8, Fig. 9, Figure 10, present invention also offers a kind of embodiment being exclusively used in the automatic lifting device of LCD TVs, in this embodiment, this automatic equipment is arranged in casing 400, this automatic lifting device comprises further: be arranged on the rotating control assembly 300 under lowering or hoisting gear fixing bottom-plate 111, this rotating control assembly 300 is fixed on mounting base 310, and this rotating control assembly 300 comprises:
Be fixedly installed on the second turbine and worm motor 320 on mounting base 310, this second turbine and worm motor 320 comprises vertically disposed second turbine 321 and the second worm screw;
First gear 330 that arrange coaxial with the second turbine 321,
Be nested with by the second gear 340 that engagement is arranged on the first gear 330, this second gear 340 is internal gear, and the outer shroud of this internal gear is smooth, and gear is arranged on inner ring;
Be arranged on the shell 350 of the second gear 340 outside, this shell 350 can be metal shell, and this shell 350 madial wall is also symmetrically arranged with thrust (not shown); This shell 350 is outside to be fixed with fixing bottom-plate 111, and the inside center of this shell 350 is fixed with the second gear 340 circle center and central shaft upper end, makes its concentric, and increasing stability shell 350 does not contact with mounting base 310; When the second gear 340 rotates, drive shell 350 and fixing bottom-plate 111 to rotate together, thus drive the lowering or hoisting gear 100 be arranged on fixing bottom-plate 111 to rotate together; And
And three limit switch that be symmetricly set on mounting base 310 on and four limit switch (not shown) corresponding with above-mentioned shell thrust, when the second gear rotates to the angle of setting, (now LCD TVs is in the state just reaching desktop, namely the state before rotating is not started), thrust on shell 350 can touch the 3rd limit switch, the 4th limit switch, thus closes the second turbine and worm motor; In this embodiment, the first limit switch is in the state of the circuit of connection first turbine and worm motor or the second turbine and worm motor, namely when connection first turbine and worm motor, disconnects the circuit of the second turbine and worm motor; When the circuit of connection second turbine and worm motor, close the first turbine and worm motor; Second limit switch is the state of the circuit being in connection first turbine and worm motor or cutting out the first turbine and worm motor and cut out the second turbine and worm motor simultaneously.
Embodiment 3
As shown in figure 11, present invention also offers a kind of embodiment, in this embodiment, second gear 340 is external gear, and the outside of this external gear is connected setting with the first gear 330 in the mode engaged, in this embodiment, the external stability of fixing bottom-plate 111 and shell 350, the center of circle, inside of shell 350 and the upper end of central shaft 341, flange seat 342 are fixed, and madial wall arranges corresponding protrusion (limit switch contact), and shell 350 does not contact with mounting base 310; Bearing and seat are installed in the lower end of this central shaft, be fixed on mounting base 310, when second turbine and worm driven by motor the first pinion rotation, also rotate with the second gear of the first gears meshing, band central shaft, shell and fixing bottom-plate rotate, thus drive lowering or hoisting gear to rotate.
The working principle of embodiment 2 provided by the invention and embodiment 3 is such:
When needs use LCD TVs, that presses automatic equipment of the present invention opens button, first turbine and worm motor runs, rotate forward, screw connecting piece is translation upwards, promote the 3rd slide rail moves to open, drive in LCD TVs and move, when the top of LCD TVs touches removable cover, external force makes removable cover open, LCD TVs continues upwards translation, until the bottom of LCD TVs rises to more than desktop completely, now, screw connecting piece runs to screw mandrel top, bump on screw connecting piece withstands the first lever lower end of secondary lever, thus make to stick up several angle outside LCD TVs, simultaneously, screw connecting piece touches first limit switch on the first fixed block top, this first limit switch cuts out the first turbine and worm motor, and be communicated with the circuit of the second turbine and worm motor simultaneously, when needs rotate this LCD TVs, rotary switch can be pressed, open the power supply of the second turbine and worm motor, turbine rotates forward, first gear is rotated forward, drive the second gear and lowering or hoisting gear counterrotating, LCD TVs is made to rotate to best use angle, close the power supply of the second turbine and worm motor, LCD TVs is stopped the rotation.
When not needing to use LCD TVs, press the X button of automatic equipment of the present invention, second turbine and worm motor runs, counterrotating, the first gear is driven to rotate forward, thus drive the second gear, lowering or hoisting gear rotates forward, when LCD TVs turns to original position, thrust on the shell of rotating control assembly touches the 3rd, 4th limit switch, close the second turbine and worm motor, LCD TVs is stopped the rotation, open the first turbine and worm motor simultaneously, counterrotating, thus drive screw connecting piece to move downward, secondary lever loses external force, be returned to the position that nature is vertical, thus make LCD TVs lose external force, be returned to the position that nature is vertical, then move in parallel downwards under the drive of screw connecting piece, when the top flat of LCD TVs moves on to below desktop, removable cover loses external force, be returned to the position of nature level, cover desktop, when screw connecting piece runs to screw mandrel bottom, touch the second limit switch, first turbine and worm motor cuts out and disconnects the circuit of the second turbine and worm motor, case complete.
Embodiment 2 and 3 provided by the invention, provides the function making LCD TVs can rotate to best use angle, is controlled the conversion of secondary mechanical motion by limit switch.
Optional mechanical position limitation, electronic limit or the magnetic of selecting of limit switch of the present invention is spacing.
Power of the present invention adopts stepping and synchronous machine, make control system more perfect, available intelligent central control system connection control (display running state and degree), meanwhile, control automatic lifting device switch of the present invention by hand switch, the operation of infrared, Wireless remote control and suspend arbitrarily.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. the automatic lifting device for liquid crystal display, LCD TVs, it is characterized in that, this automatic lifting device comprises: lowering or hoisting gear (100), and this lowering or hoisting gear (100) comprises: lifting frame, the first turbine and worm motor (120), screw mandrel (130), screw connecting piece (140), secondary lever (150), mounting bracket (160) and limit switch;
Described lifting frame comprises:
Fixing bottom-plate (111);
Be fixedly installed on a pair three joints trough of belt slide rail (112) of fixing bottom-plate (111) both sides, this three joint trough of belt slide rail (112) comprises: Section of three slide rail (1123) being arranged on outermost first segment slide rail (1121), being arranged on the second section slide rail (1122) of intermediate portion and being arranged on inner side, Section of three slide rail (1123) is connect, the external first segment slide rail (1121) of Lower Half of this second section slide rail (1122) in the first half of this second section slide rail (1122); This three joint trough of belt slide rail (112) is symmetrical arranged, and is parallel to each other between slide rail, and vertical with fixing bottom-plate (111), and,
First fixed block (113), the lower end of this first fixed block (113) is fixed on fixing bottom-plate (111);
The first described turbine and worm motor (120) is arranged on fixing bottom-plate (111), and be positioned at lifting frame, wherein, the gear of turbine and worm screw is vertical setting;
Described screw mandrel (130) is positioned at the center of fixing bottom-plate (111), and vertically with fixing bottom-plate (111) to arrange, the bottom of this screw mandrel (130) is fixed on fixing bottom-plate (111) through turbine, the top of this screw mandrel (130) is fixed on the upper end of described first fixed block (113), and this screw mandrel (130) is parallel with the first fixed block (113);
Described screw connecting piece (140) is set on screw mandrel (130), and parallel with fixing bottom-plate (111), the two ends of this screw connecting piece (140) are separately fixed at the inside lower end of Section of three slide rail (1123); This screw connecting piece (140) is also provided with bump (141);
Described secondary lever (150) comprises the first lever (151) and second lever (152) of flexible connection, and this secondary lever (150) is arranged on the middle part of second section slide rail (1122) by lever dolly (153); When not by External Force Acting, this secondary lever (150) is linearly, and is parallel to these a pair three joints trough of belt slide rail (112);
Described mounting bracket (160) is fixedly installed on the inner top side of Section of three described slide rail (1123), this mounting bracket (160) is flexibly connected with liquid crystal display or LCD TVs, liquid crystal display or LCD TVs be not when by external force, naturally vertical, parallel with slide rail.
2. as claimed in claim 1 for the automatic lifting device of liquid crystal display, LCD TVs, it is characterized in that, this automatic lifting device also comprises intelligent central control system, this intelligent central control system adopts communications protocol or provides dry contact signal, realizes the connection of intelligent central control system and lowering or hoisting gear (100).
3. as claimed in claim 1 or 2 for the automatic lifting device of liquid crystal display, LCD TVs, it is characterized in that, this lowering or hoisting gear (100) also comprises: arrange removable cover (180) on the table, this removable cover (180) is fixed on fixed support (181) on the table by extension spring or wind spring.
4. as claimed in claim 1 or 2 for the automatic lifting device of liquid crystal display, LCD TVs, it is characterized in that, described limit switch comprises: the first limit switch (171) being arranged on described first fixed block (113) upper end, and, be arranged on the second limit switch (172) on fixing bottom-plate (111).
5. as claimed in claim 3 for the automatic lifting device of liquid crystal display, LCD TVs, it is characterized in that, described lowering or hoisting gear (100) also comprises: the first limit switch (171) being arranged on described first fixed block (113) upper end, and, be arranged on the second limit switch (172) on fixing bottom-plate (111).
6. the automatic lifting device for liquid crystal display, LCD TVs as described in claim 1 or 2 or 5, it is characterized in that, any one end of this first lever (151) and any one end of the second lever (152) are all fixedly connected on lever dolly (153) by extension spring or wind spring, and the top of this second lever (152) is provided with rubber wheel (154).
7. the automatic lifting device for liquid crystal display, LCD TVs as described in claim 1 or 2 or 5, it is characterized in that, described mounting bracket (160) is sheet metal support, it is flexibly connected the second sheet metal (163) by hinge (162) and wind spring, and this second sheet metal (163) is fixedly connected with liquid crystal display or LCD TVs (161) back bolt.
8. the automatic lifting device for liquid crystal display, LCD TVs as described in claim 1 or 2 or 5, it is characterized in that, described lifting frame also comprises: two ends are fixedly installed on second fixed block (114) of first segment slide rail (1121) outer upper end, and this second fixed block (114) is fixedly connected with in vertical with the first fixed block (113).
9. the automatic lifting device for liquid crystal display, LCD TVs as described in claim 1 or 2 or 5, it is characterized in that, this automatic lifting device also comprises: be arranged on the rotating control assembly (300) under lowering or hoisting gear fixing bottom-plate (111), this rotating control assembly (300) is fixed on mounting base (310), and this rotating control assembly (300) comprises:
Be fixedly installed on the second turbine and worm motor (320) on mounting base (310);
The first gear (330) coaxially arranged with the turbine of the second turbine and worm motor (320);
Be nested with by gnawing the second gear (340) closing and arrange on the first gear (330), this second gear (340) is internal gear;
Be arranged on the shell (350) that the second gear (340) is outside, (350) are also symmetrically arranged with thrust to this shell; The outside of this shell (350) and fixing bottom-plate (111) are fixed, and the inside of this shell (350) and the second gear (340) are fixed; And
Be symmetricly set on the 3rd corresponding with the thrust on shell (350) the respectively limit switch on mounting base (310) and the 4th limit switch.
10. the automatic lifting device for liquid crystal display, LCD TVs as described in claim 1 or 2 or 5, it is characterized in that, this automatic lifting device also comprises: be arranged on the rotating control assembly (300) under lowering or hoisting gear fixing bottom-plate (111), this rotating control assembly (300) is fixed on mounting base (310), and this rotating control assembly (300) comprises:
Be fixedly installed on the second turbine and worm motor (320) on mounting base (310);
The first gear (330) coaxially arranged with the turbine of the second turbine and worm motor (320);
Second gear (340), this second gear (340) is external gear, is connected setting with the first gear (330) in the mode engaged;
Be arranged on the shell (350) that the second gear (340) is outside, (350) are also symmetrically arranged with thrust to this shell; The outside of this shell (350) and fixing bottom-plate (111) are fixed, the inside of this shell (350) and the upper end of central shaft and flange seat are fixed, bearing and seat are installed in this central shaft lower end, are fixed on mounting base (310), and
Be symmetricly set on the 3rd corresponding with the thrust on shell (350) the respectively limit switch on mounting base (310) and the 4th limit switch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110237005.2A CN102313123B (en) | 2011-08-18 | 2011-08-18 | A kind of automatic lifting device for liquid crystal display, LCD TVs |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110237005.2A CN102313123B (en) | 2011-08-18 | 2011-08-18 | A kind of automatic lifting device for liquid crystal display, LCD TVs |
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| CN102313123A CN102313123A (en) | 2012-01-11 |
| CN102313123B true CN102313123B (en) | 2016-01-27 |
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| CN109965513A (en) * | 2019-03-27 | 2019-07-05 | 许昌职业技术学院 | A kind of intelligent computer place apparatus |
| CN111561649B (en) * | 2020-04-07 | 2022-03-11 | 开封大学 | Computer display screen for multimedia teaching |
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| CN202188284U (en) * | 2011-08-18 | 2012-04-11 | 沈志华 | Automatic lifting device for liquid crystal display and liquid crystal television |
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| US6837469B2 (en) * | 2003-05-01 | 2005-01-04 | Wei Chung Wu | Structure of liquid crystal display (LCD) |
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| CN2644855Y (en) * | 2003-08-11 | 2004-09-29 | 四川长虹电器股份有限公司 | Wall hanging holder capable of multiple angle rotation and extension |
| CN202188284U (en) * | 2011-08-18 | 2012-04-11 | 沈志华 | Automatic lifting device for liquid crystal display and liquid crystal television |
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