A kind of spiral lift liquid crystal display elevator
Technical field
The present invention relates to read-out accessory equipment field, specifically a kind of spiral lift liquid crystal display elevator.
Background technology
Along with development and the release market of present various intelligent artifact, the use of video conference and computer is frequent especially, wherein liquid crystal display elevator provide to the use of computer and video conference convenient, when needing to use read-out, the elevator being hidden in conference table inside is raised to table surface read-out below conference table, when not using read-out, elevator declines automatically, read-out is hidden in conference table inside, antitheft, dust-proof, keeps the smooth and attractive in appearance of table surface.This jacking system can meet the needs that in disorder wiring need not be dismantled and avoid to telltale, make full use of the space of below desktop, main frame and telltale are hidden under table simultaneously, when needing can when needs use trigger controller, Cang Gai opens automatically, and telltale rises to desktop, and read-out is gone up, at the bottom of the used time is not recoverable to again, be satisfied with the requirement of different participant.
Liquid crystal display elevator is various informative, but the cabinet used is all similar, current liquid crystal display elevator cabinet height is non-adjustable, the liquid crystal display elevator cabinet matching different model is needed according to not deskmate height, or adopt model less than normal, but the installation of model less than normal is mostly is afterwards be suspended from below a body, adds the load-bearing of a body; The Cang Gai opening and closing speed of existing liquid crystal display elevator cabinet is slow simultaneously; In addition, current elevator many employings hydraulic lifting or electric up-down, the fast but poor stability of rising or falling speed; Given this, the invention provides a kind of spiral lift liquid crystal display elevator.
Summary of the invention
In order to make up the deficiencies in the prior art, the invention provides a kind of spiral lift liquid crystal display elevator.
The present invention will solve its technical matters and realize by the following technical solutions.
A kind of spiral lift liquid crystal display elevator, comprise elevator and cabinet, described elevator is positioned at cabinet inside; Described elevator comprises driving device, lower platform, upper mounting plate and elevating bracket, driving device is between lower platform and upper mounting plate, elevating bracket is arranged on driving device, drift angle place, four, elevating bracket lower end is respectively arranged with lifting nut, elevating bracket upper end arranges fixed way, fixed way offers draw-in groove, is provided with installation tapped bore in draw-in groove, between lifting nut and fixed way, is provided with connecting panel; Described driving device comprises elevating screw, bearing, driving motor, imput shaft, drive sprocket, initiatively end cap, driven sprocket, idler sprocket, tensioning shaft, tensioning end cap, tensioning bearing, messenger chain band and dividing plate; Described elevating screw quantity is that four, four elevating screws lay respectively between lower platform and upper mounting plate, and elevating screw two ends are connected with lower platform and upper mounting plate respectively by bearing; Driving motor is positioned on the left of lower platform, and driving motor and lower platform are connected, and driving motor main shaft is connected by coupler with between imput shaft, and drive sprocket is fixed in imput shaft by key, and drive sprocket upper end is undertaken spacing by active end cap; Four described driven sprockets are separately fixed at four elevating screw lower end position places; Described idler sprocket is positioned on the right side of drive sprocket, and adopts interference to be connected between idler sprocket with tensioning shaft, and idler sprocket top is undertaken spacing by tensioning end cap, and tensioning shaft is fixed on lower platform by tensioning bearing; Described messenger chain band is wrapped on drive sprocket, four driven sprockets and idler sprocket respectively; Described dividing plate is positioned at above idler sprocket, and dividing plate four drift angles are connected with four elevating screws respectively; The rotation of drive sprocket is driven by the rotation of driving motor, transmission is carried out by messenger chain band between drive sprocket and driven sprocket, thus by the rotation rotarily driving driven sprocket of drive sprocket, and then drive the rotation of elevating screw, achieve the function of the perpendicular movement up and down of elevating bracket.
As a further improvement on the present invention, described cabinet comprises cabinet main body, cabinet door, bearing, storehouse lid closing device, trestle table and holding frame, described cabinet main body is the rectangular case structure of open rearward end, cabinet main body top offers open channel, cabinet door is positioned at cabinet main body open rearward end place, cabinet door is connected with adopting hinge between cabinet main body, and cabinet door is provided with handle, bearing quantity is four, four bearings respectively symmetry are arranged on cabinet main body bottom, and bearing comprises screw rod, sleeve, grounding base and damping spring; Described screw tip and the bottom face of cabinet main body fix, screw rod bottom is connected with sleeve, and between screw rod with sleeve, adopt thread connecting mode to match, sleeve bottom end is provided with discoid grounding base, damping spring is around being enclosed within screw rod, by the overall height of rotational sleeve support with adjustable, thus the table body that can adapt to differing heights uses, applied widely and easy to adjust; Described storehouse lid closing device is positioned at the open channel place on cabinet main body top; Described trestle table is positioned on the left of cabinet main body, and trestle table lower end is provided with the floor be connected with cabinet main body, trestle table upper end is provided with magnetic area, holding frame is arranged in the magnetic area of trestle table, and holding frame bottom is provided with the magnet different with trestle table magnetic area magnetic, holding frame is used for gripping, according to the principle that magnet different name magnetic attracts each other of microphone, holding frame can move in the magnetic area of trestle table upper end, thus distance adjustment when facilitating microphone to use.
As a further improvement on the present invention, described storehouse lid closing device comprises Cang Gai, turning joint, the first shrinking connecting-rod, the first revolute pair, the second revolute pair, the second shrinking connecting-rod, the 3rd revolute pair and the 4th revolute pair, described lid front side, storehouse is connected by the open channel of turning joint with cabinet main body top, and the shape of Cang Gai and size are all identical with size with the shape of cabinet main body top end opening passage, and storehouse lid bottom face is provided with ear seat, first described shrinking connecting-rod one end is connected by the first revolute pair with between the ear seat on the lid bottom face of storehouse, is connected between the first shrinking connecting-rod other end and the medial surface of cabinet main body by the second revolute pair, second described shrinking connecting-rod one end is connected with in the middle part of the first shrinking connecting-rod by the 3rd revolute pair, is connected between the second shrinking connecting-rod other end and the medial surface of cabinet main body by the 4th revolute pair, first shrinking connecting-rod and the second shrinking connecting-rod all can adopt electric pushrod, cylinder and hydraulic actuating cylinder, in the present invention, first shrinking connecting-rod and the second shrinking connecting-rod all preferentially adopt electric pushrod, adopt electric pushrod as the first shrinking connecting-rod and the second shrinking connecting-rod, control is convenient and stretching speed is fast, Cang Gai is driven to be that S. A. rotates clockwise with turning joint by the stretching routine of the first shrinking connecting-rod and the second shrinking connecting-rod, achieve the closing function of Cang Gai, Cang Gai is driven to be that S. A. rotates counterclockwise with turning joint by the stretching routine of the first shrinking connecting-rod and the second shrinking connecting-rod, reach the open function of Cang Gai.
As a further improvement on the present invention, described messenger chain band inner side edge and outer side edges are provided with driving cog respectively.
As a further improvement on the present invention, described dividing plate is rectangular-shaped structure, and dividing plate is evenly provided with strip groove, and dividing plate serves the effect of isolation dust.
As a further improvement on the present invention, described tensioning bearing upper end is provided with reaction plate, reaction plate is connected with in the middle part of tensioning shaft, tensioning bearing lower end is provided with annular disk, annular disk and lower platform fix, adopt reinforced rib to connect between reaction plate and annular disk, and reinforced rib along the central axis of tensioning shaft in circumferentially.
Compared with prior art, the present invention has the following advantages:
(1) the present invention adopts elevating screw and nut to carry out transmission, achieves the function of overall spiral lifting, and transmission lifting precision is high and steady;
(2) setting height(from bottom) of entirety of the present invention is adjustable, thus the table body adapting to differing heights uses, applied widely and easy to adjust;
(3) the present invention adopts electric pushrod to the folding of control Cang Gai, and folding speed is fast and stability is high.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is perspective view of the present invention;
Fig. 2 is the perspective view of elevator of the present invention;
Fig. 3 is the perspective view of driving device of the present invention;
Fig. 4 is the perspective view of cabinet of the present invention;
Fig. 5 is the full sectional view of Cang Gai of the present invention.
Specific embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
As shown in Figures 1 to 5, a kind of spiral lift liquid crystal display elevator, comprises elevator 1 and cabinet 2, and it is inner that described elevator 1 is positioned at cabinet 2; Described elevator 1 comprises driving device 11, lower platform 12, upper mounting plate 13 and elevating bracket 14, driving device 11 is between lower platform 12 and upper mounting plate 13, elevating bracket 14 is arranged on driving device 11, drift angle place, four, elevating bracket 14 lower end is respectively arranged with lifting nut, elevating bracket 14 upper end arranges fixed way, fixed way offers draw-in groove, is provided with installation tapped bore in draw-in groove, between lifting nut and fixed way, is provided with connecting panel; Described driving device 11 comprises elevating screw 111, bearing 112, driving motor 113, imput shaft 114, drive sprocket 115, initiatively end cap 116, driven sprocket 117, idler sprocket 118, tensioning shaft 119, tensioning end cap 1110, tensioning bearing 1111, messenger chain band 1112 and dividing plate 1113; Described elevating screw 111 quantity is that four, four elevating screws 111 lay respectively between lower platform 12 and upper mounting plate 13, and elevating screw 111 two ends are connected with lower platform 12 and upper mounting plate 13 respectively by bearing 112; Driving motor 113 is positioned on the left of lower platform 12, and driving motor 113 and lower platform 12 are connected, driving motor 113 main shaft is connected by coupler with between imput shaft 114, drive sprocket 115 is fixed in imput shaft 114 by key, and drive sprocket 115 upper end is undertaken spacing by active end cap 116; Four described driven sprockets 117 are separately fixed at four elevating screw 111 lower end position places; Described idler sprocket 118 is positioned on the right side of drive sprocket 115, and adopt interference to be connected between idler sprocket 118 with tensioning shaft 119, idler sprocket 118 top is undertaken spacing by tensioning end cap 1110, and tensioning shaft 119 is fixed on lower platform 12 by tensioning bearing 1111; Described messenger chain band 1112 is wrapped on drive sprocket 115, four driven sprockets 117 and idler sprocket 118 respectively; Described dividing plate 1113 is positioned at above idler sprocket 118, and dividing plate 1,113 four drift angles are connected with four elevating screws 111 respectively; The rotation of drive sprocket 115 is driven by the rotation of driving motor 113, transmission is carried out by messenger chain band 1112 between drive sprocket 115 and driven sprocket 117, thus by the rotation rotarily driving driven sprocket 117 of drive sprocket 115, and then drive the rotation of elevating screw 111, achieve the function of the perpendicular movement up and down of elevating bracket 14.
As shown in Figure 4, described cabinet 2 comprises cabinet main body 21, cabinet door 22, bearing 23, storehouse lid closing device 24, trestle table 25 and holding frame 26, described cabinet main body 21 is the rectangular case structure of open rearward end, cabinet main body 21 top offers open channel, cabinet door 22 is positioned at cabinet main body 21 open rearward end place, hinge is adopted to be connected between cabinet door 22 with cabinet main body 21, and cabinet door 22 is provided with handle, bearing 23 quantity is four, four bearings 23 respectively symmetry are arranged on cabinet main body 21 bottom, bearing 23 comprises screw rod 231, sleeve 232, grounding base 233 and damping spring 234, described screw rod 231 top and the bottom face of cabinet main body 21 fix, screw rod 231 bottom is connected with sleeve 232, and adopt thread connecting mode to match between screw rod 231 with sleeve 232, sleeve 232 bottom is provided with discoid grounding base 233, damping spring 234 is around being enclosed within screw rod 231, by the overall height of rotational sleeve 232 support with adjustable 23, thus the table body that can adapt to differing heights uses, applied widely and easy to adjust, described storehouse lid closing device 24 is positioned at the open channel place on cabinet main body 21 top, described trestle table 25 is positioned on the left of cabinet main body 21, and trestle table 25 lower end is provided with the floor be connected with cabinet main body 21, trestle table 25 upper end is provided with magnetic area, holding frame 26 is arranged in the magnetic area of trestle table 25, and holding frame 26 bottom is provided with the magnet different with trestle table 25 magnetic area magnetic, holding frame 26 gripping for microphone, according to the principle that magnet different name magnetic attracts each other, holding frame 26 can move in the magnetic area of trestle table 25 upper end, thus distance adjustment when facilitating microphone to use.
As shown in Figure 5, described storehouse lid closing device 24 comprises storehouse lid 241, turning joint 242, first shrinking connecting-rod 243, first revolute pair 244, second revolute pair 245, second shrinking connecting-rod 246, the 3rd revolute pair 247 and the 4th revolute pair 248, be connected by the open channel of turning joint 242 with cabinet main body 21 top on front side of described storehouse lid 241, and the shape of storehouse lid 241 is all identical with size with the shape of cabinet main body 21 top end opening passage with size, storehouse is covered on 241 bottom faces and is provided with ear seat, first described shrinking connecting-rod 243 one end is covered with storehouse between the ear seat on 241 bottom faces and is connected by the first revolute pair 244, is connected between first shrinking connecting-rod 243 other end and the medial surface of cabinet main body 21 by the second revolute pair 245, second described shrinking connecting-rod 243 one end is connected with in the middle part of the first shrinking connecting-rod 243 by the 3rd revolute pair 247, is connected between second shrinking connecting-rod 243 other end and the medial surface of cabinet main body 21 by the 4th revolute pair 248, first shrinking connecting-rod 243 and the second shrinking connecting-rod 246 all can adopt electric pushrod, cylinder and hydraulic actuating cylinder, in the present invention, first shrinking connecting-rod 243 and the second shrinking connecting-rod 246 all preferentially adopt electric pushrod, adopt electric pushrod as the first shrinking connecting-rod 243 and the second shrinking connecting-rod 246, control is convenient and stretching speed is fast, storehouse lid 241 is driven with turning joint 242 for S. A. rotates clockwise by the stretching routine of the first shrinking connecting-rod 243 and the second shrinking connecting-rod 246, achieve the closing function of storehouse lid 241, storehouse lid 241 is driven with turning joint 242 for S. A. rotates counterclockwise by the stretching routine of the first shrinking connecting-rod 243 and the second shrinking connecting-rod 246, reach the open function of storehouse lid 241.
As shown in Figure 3, described messenger chain band 1112 inner side edge and outer side edges are provided with driving cog respectively.
As shown in Figure 2, described dividing plate 1113 is rectangular-shaped structure, and dividing plate 1113 is evenly provided with strip groove, and dividing plate 1113 serves the effect of isolation dust.
As shown in Figure 3, described tensioning bearing 1111 upper end is provided with reaction plate, reaction plate is connected with in the middle part of tensioning shaft 119, tensioning bearing 1111 lower end is provided with annular disk, annular disk and lower platform fix, adopt reinforced rib to connect between reaction plate and annular disk, and reinforced rib along the central axis of tensioning shaft in circumferentially.
During use, first liquid crystal display is arranged on upper mounting plate 13, by the rotation rotating forward drive drive sprocket 115 of driving motor 113, transmission is carried out by messenger chain band 1112 between drive sprocket 115 and driven sprocket 117, thus by the rotation rotarily driving driven sprocket 117 of drive sprocket 115, and then drive the rotation of elevating screw 111, achieve the function of the vertical ascending motion of elevating bracket 14, then storehouse lid 241 is driven with turning joint 242 for S. A. rotates counterclockwise by the stretching routine of the first shrinking connecting-rod 243 and the second shrinking connecting-rod 246, reach the open function of storehouse lid 241, the liquid crystal display being in propradation arrives desktop by storehouse lid 241, after finishing using, by the rotation rotating backward drive drive sprocket 115 of driving motor 113, transmission is carried out by messenger chain band 1112 between drive sprocket 115 and driven sprocket 117, thus by the rotation rotarily driving driven sprocket 117 of drive sprocket 115, and then drive the rotation of elevating screw 111, achieve the function of the vertical lowering motion of elevating bracket 14, when liquid crystal display all drops in cabinet 2, then storehouse lid 241 is driven with turning joint 242 for S. A. rotates clockwise by the stretching routine of the first shrinking connecting-rod 243 and the second shrinking connecting-rod 246, achieve the closing function of storehouse lid 241.
More than show and describe groundwork of the present invention, principal character and advantage.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; description in above-described embodiment and specification sheets principle of the present invention is just described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.