A kind of spiral lift liquid crystal screen lifting machine
Technical field
The present invention relates to display screen auxiliary equipment field, specifically a kind of spiral lift liquid crystal screen lifting machine.
Background technology
With present various intelligent artifacts development and release market, video conference and the use of computer are even more frequent, its
Middle liquid crystal screen lifting machine to computer use and video conference provide it is convenient, when needing using display screen, be hidden in conference table
Internal elevator is raised to table surface from below conference table display screen, and when display screen is not used, elevator declines automatically,
Display screen is hidden in inside conference table, antitheft, dust-proof, keeps the smooth and attractive in appearance of table surface.The jacking system can meet
Display makes full use of the space below desktop without dismantling and avoiding the needs for haphazardly connecting up, main frame and display
Simultaneously be hidden under table, when needing can when needing to use trigger controller, Cang Gai automatically opens up, and display rises to desktop,
Display screen liter comes up, not the used time be recoverable to table bottom again, be satisfied with the requirement of different participants.
Liquid crystal screen lifting machine is various informative, but the cabinet for being used all is similar, and current liquid crystal screen lifting machine cabinet is high
Degree is non-adjustable, according to the liquid crystal screen lifting machine cabinet of the highly desirable apolegamy different model of different desk bodies, or adopts model less than normal
, but it is to be suspended from below desk body mostly after the installation of model less than normal, increased the load-bearing of desk body;Existing liquid crystal display screen lifting simultaneously
It is slow that the Cang Gai of rack body opens and closes speed;In addition, hydraulic lifting or electric up-down are adopted current elevator more,
Rising or falling speed is fast but stability is poor;In consideration of it, a kind of the invention provides spiral lift liquid crystal screen lifting machine.
The content of the invention
In order to make up the deficiencies in the prior art, the invention provides a kind of spiral lift liquid crystal screen lifting machine.
It is employed the following technical solutions realizing that the present invention will solve its technical problem.
A kind of spiral lift liquid crystal screen lifting machine, including elevator and cabinet, described elevator are located inside cabinet;
Described elevator includes actuating device, lower platform, upper mounting plate and lifting seat, actuating device be located at lower platform and upper mounting plate it
Between, lifting seat is arranged on actuating device, is respectively arranged with lifting nut at the drift angle of lifting seat lower end four, and lifting seat upper end sets
Fixed station is put, draw-in groove on fixed station, is offered, installation screwed hole is provided with draw-in groove, is provided between lifting nut and fixed station
Connecting plate;Described actuating device includes elevating screw, bearing, driving motor, driving shaft, drive sprocket, active end cap, driven
Sprocket wheel, tightener sprocket, tensioning shaft, tensioning end cap, tensioning bearing, driving-chain band and dividing plate;Described elevating screw quantity is four,
Four elevating screws are located between lower platform and upper mounting plate respectively, and elevating screw two ends respectively by bearing and lower platform and
Upper mounting plate is connected;Driving motor is located on the left of lower platform, and driving motor and lower platform are connected, driving motor main shaft with actively
It is connected by shaft coupling between axle, drive sprocket is scheduled on driving shaft by keying, and drive sprocket upper end passes through drive end
Lid carries out spacing;Four described driven sprockets are separately fixed at four elevating screw lower end positions;Described tightener sprocket
On the right side of drive sprocket, and connected using interference between tightener sprocket and tensioning shaft, tightener sprocket top is by being tensioned end cap
Carry out it is spacing, tensioning shaft by be tensioned bearing be fixed on lower platform;Described driving-chain band be respectively wound around drive sprocket, four
On individual driven sprocket and tightener sprocket;Described dividing plate is located above tightener sprocket, and four drift angles of dividing plate are risen with four respectively
Drop leading screw is connected;The rotation of drive sprocket is driven by the rotation of driving motor, is passed through between drive sprocket and driven sprocket
Driving-chain band is driven, and so as to pass through the rotation for rotarily driving driven sprocket of drive sprocket, and then drives elevating screw
Rotate, realize the function of moving vertically up and down of lifting seat.
As a further improvement on the present invention, described cabinet include cabinet main body, cabinet door, bearing, storehouse lid closing device,
Trestle table and holding frame, described cabinet main body are the rectangular case structure of open rearward end, and cabinet main body top offers opening
Passage, cabinet door are located at cabinet main body open rearward end, be attached using hinge, and set in cabinet door between cabinet door and cabinet main body
Handle is equipped with, bearing quantity is four, and four bearings are respectively symmetrically installed in cabinet main body bottom, and bearing includes screw rod, sleeve, connects
Ground seat and damping spring;The bottom face of described screw tip and cabinet main body is mutually fixed, and screw rod bottom is connected with sleeve, and
Be engaged using thread connecting mode between screw rod and sleeve, sleeve bottom end is provided with discoid grounding base, damping spring around
It is enclosed within screw rod, by the overall height of rotational sleeve support with adjustable, so as to the desk body for being suitable for differing heights is used, is suitable for
Scope is wide and easy to adjust;Described storehouse lid closing device is located at the open channel on cabinet main body top;Described trestle table
On the left of cabinet main body, and trestle table lower end is provided with the floor being connected with cabinet main body, and trestle table upper end is provided with magnetic
Property area, holding frame be arranged on trestle table magnetic area in, and holding frame bottom be provided with it is different with trestle table magnetic area magnetic
Magnet, holding frame are used for gripping for mike, and according to the principle that Magnet different name magnetic attracts each other, holding frame can be in support
Move in the magnetic area of platform upper end, so as to facilitate distance when mike is used to adjust.
As a further improvement on the present invention, described storehouse lid closing device includes Cang Gai, turning joint, the first flexible company
Bar, first rotate secondary, the second rotation pair, the second shrinking connecting-rod, the 3rd rotation pair and the 4th and rotate secondary;Lead on front side of described storehouse lid
The open channel that turning joint is crossed with cabinet main body top is connected, and the shapes and sizes of Cang Gai are opened with cabinet main body top
The shapes and sizes of mouth passage are identical, are provided with ear mount on the end face of storehouse base;First described shrinking connecting-rod one end and storehouse base
Parafacies is rotated by first between ear mount on end face to connect, is led between the first shrinking connecting-rod other end and the medial surface of cabinet main body
Cross the second rotation parafacies connection;Second described shrinking connecting-rod one end by the 3rd rotate it is secondary with the first shrinking connecting-rod in the middle part of phase
Even, parafacies connection is rotated by the 4th between the second shrinking connecting-rod other end and the medial surface of cabinet main body;First shrinking connecting-rod
Electric pushrod, cylinder and hydraulic cylinder can be adopted with the second shrinking connecting-rod, in the present invention, the first shrinking connecting-rod and second stretches
Connecting rod preferentially adopts electric pushrod, using electric pushrod as the first shrinking connecting-rod and the second shrinking connecting-rod, it is easy to control and
Stretching speed is fast, drives Cang Gai with turning joint as rotary shaft by the stretching of the first shrinking connecting-rod and the second shrinking connecting-rod
Rotated clockwise, realized the closing function of Cang Gai, by the first shrinking connecting-rod and the stretching of the second shrinking connecting-rod
Drive Cang Gai to be rotated counterclockwise by rotary shaft of turning joint, reach the open function of Cang Gai.
As a further improvement on the present invention, transmission is respectively provided with described driving-chain band inner side edge and outer side edges
Tooth.
As a further improvement on the present invention, described dividing plate is rectangular-shaped structure, and strip is evenly arranged with dividing plate
Groove, dividing plate serve the effect of isolation dust.
As a further improvement on the present invention, described tensioning bearing upper end is provided with fixed disk, fixed disk and tensioning shaft
Middle part is connected, and tensioning bearing lower end is provided with annular disk, and annular disk is mutually fixed with lower platform, is adopted between fixed disk and annular disk
It is attached with reinforcement, and reinforcement is in circumferentially along the central axis of tensioning shaft.
Compared with prior art, the present invention has advantages below:
(1) present invention adopts elevating screw and nut to be driven, and realizes the function of overall spiral lifting, and transmission rises
Drop high precision and steady;
(2) the overall setting height(from bottom) scalable of the present invention, so as to the desk body for adapting to differing heights is used, it is applied widely and
It is easy to adjust;
(3) present invention controls the folding of Cang Gai using electric pushrod, and folding speed is fast and stability is high.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the dimensional structure diagram of the present invention;
Fig. 2 is the dimensional structure diagram of elevator of the present invention;
Fig. 3 is the dimensional structure diagram of actuating device of the present invention;
Fig. 4 is the dimensional structure diagram of cabinet of the present invention;
Fig. 5 is the full sectional view of Cang Gai of the present invention.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
As shown in Figures 1 to 5, a kind of spiral lift liquid crystal screen lifting machine, including elevator 1 and cabinet 2, described liter
Drop machine 1 is located inside cabinet 2;Described elevator 1 includes actuating device 11, lower platform 12, upper mounting plate 13 and lifting seat 14, passes
Dynamic device 11 is located between lower platform 12 and upper mounting plate 13, and lifting seat 14 is arranged on actuating device 11,14 lower end four of lifting seat
Lifting nut is respectively arranged with individual drift angle, 14 upper end of lifting seat arranges fixed station, offers draw-in groove, set in draw-in groove on fixed station
Installation screwed hole is equipped with, connecting plate between lifting nut and fixed station, is provided with;Described actuating device 11 includes elevating screw
111st, bearing 112, driving motor 113, driving shaft 114, drive sprocket 115, active end cap 116, driven sprocket 117, tensioning chain
Wheel 118, tensioning shaft 119, tensioning end cap 1110, tensioning bearing 1111, driving-chain band 1112 and dividing plate 1113;Described lifting silk
111 quantity of thick stick is four, and four elevating screws 111 are located between lower platform 12 and upper mounting plate 13 respectively, and 111 two ends of elevating screw
It is connected with lower platform 12 and upper mounting plate 13 by bearing 112 respectively;Driving motor 113 is located on the left of lower platform 12, and is passed
Galvanic electricity machine 113 is connected with lower platform 12, is connected by shaft coupling between 113 main shaft of driving motor and driving shaft 114, drive chain
Wheel 115 is scheduled on driving shaft 114 by keying, and 115 upper end of drive sprocket carried out by active end cap 116 it is spacing;Described
Four driven sprockets 117 are separately fixed at four 111 lower end positions of elevating screw;Described tightener sprocket 118 is located at actively
On the right side of sprocket wheel 115, and connected using interference between tightener sprocket 118 and tensioning shaft 119,118 top of tightener sprocket is by tensioning
End cap 1110 carry out it is spacing, tensioning shaft 119 by be tensioned bearing 1111 be fixed on lower platform 12;Described driving-chain band 1112
It is respectively wound around on drive sprocket 115, four driven sprockets 117 and tightener sprocket 118;Described dividing plate 1113 is located at tensioning chain
Above wheel 118, and 1,113 4 drift angles of dividing plate are connected with four elevating screws 111 respectively;By the rotation of driving motor 113
The rotation of drive sprocket 115 is driven, is driven by driving-chain band 1112 between drive sprocket 115 and driven sprocket 117, from
And pass through the rotation for rotarily driving driven sprocket 117 of drive sprocket 115, and then the rotation of elevating screw 111 is driven, realize
The function of moving vertically up and down of lifting seat 14.
As shown in figure 4, described cabinet 2 includes cabinet main body 21, cabinet door 22, bearing 23, storehouse lid closing device 24, support
Platform 25 and holding frame 26, described cabinet main body 21 are the rectangular case structure of open rearward end, and 21 top of cabinet main body offers
Open channel, cabinet door 22 are located at 21 open rearward end of cabinet main body, are connected using hinge between cabinet door 22 and cabinet main body 21
Connect, and in cabinet door 22, be provided with handle, 23 quantity of bearing is four, and four bearings 23 are respectively symmetrically installed in 21 bottom of cabinet main body
End, bearing 23 include screw rod 231, sleeve 232, grounding base 233 and damping spring 234;Described 231 top of screw rod and cupboard master
The bottom face of body 21 is mutually fixed, and 231 bottom of screw rod is connected with sleeve 232, and screw thread is adopted between screw rod 231 and sleeve 232
Connected mode is engaged, and 232 bottom of sleeve is provided with discoid grounding base 233, damping spring 234 around being enclosed within screw rod 231,
It is by the overall height of 232 support with adjustable 23 of rotational sleeve, so as to the desk body for being suitable for differing heights is used, applied widely
And it is easy to adjust;Described storehouse lid closing device 24 is at the open channel on 21 top of cabinet main body;Described trestle table 25
On the left of cabinet main body 21, and 25 lower end of trestle table is provided with the floor being connected with cabinet main body 21,25 upper end of trestle table
Magnetic area is provided with, holding frame 26 is arranged in the magnetic area of trestle table 25, and 26 bottom of holding frame is provided with and trestle table 25
The different Magnet of magnetic area magnetic, holding frame 26 are used for gripping for mike, are attracted each other according to Magnet different name magnetic
Principle, holding frame 26 can be moved in the magnetic area of 25 upper end of trestle table, so as to facilitate distance when mike is used to adjust
Section.
As shown in figure 5, described storehouse lid closing device 24 includes storehouse lid 241, turning joint 242, the first shrinking connecting-rod
243rd, first the secondary rotation of 245, second shrinking connecting-rod the 246, the 3rd secondary 247 of the 244, second rotation of pair and the 4th rotation pair 248 are rotated;
It is connected with the open channel on 21 top of cabinet main body by turning joint 242 on front side of described storehouse lid 241, and storehouse lid 241
Shapes and sizes are identical with the shapes and sizes of 21 top end opening passage of cabinet main body, are provided with ear on 241 bottom face of storehouse lid
Seat;Secondary 244 are rotated by first between described 243 one end of the first shrinking connecting-rod and the ear mount on 241 bottom face of storehouse lid to be connected,
Secondary 245 are rotated by second between first shrinking connecting-rod, 243 other end and the medial surface of cabinet main body 21 to be connected;Described
Two shrinking connecting-rods, 243 one end rotates secondary 247 by the 3rd and is connected with the middle part of the first shrinking connecting-rod 243, and the second shrinking connecting-rod 243 is another
Secondary 248 are rotated by the 4th between one end and the medial surface of cabinet main body 21 to be connected;First shrinking connecting-rod 243 and second is flexible
Connecting rod 246 can adopt electric pushrod, cylinder and hydraulic cylinder, in the present invention, the first shrinking connecting-rod 243 and the second shrinking connecting-rod
246 preferentially adopt electric pushrod, using electric pushrod as the first shrinking connecting-rod 243 and the second shrinking connecting-rod 246, controlling party
Just and stretching speed is fast, drive storehouse lid 241 to turn by the stretching of the first shrinking connecting-rod 243 and the second shrinking connecting-rod 246
Dynamic hinge 242 is rotated clockwise for rotary shaft, realizes the closing function of storehouse lid 241, by 243 He of the first shrinking connecting-rod
The stretching of the second shrinking connecting-rod 246 drives storehouse lid 241 to be rotated counterclockwise with turning joint 242 as rotary shaft, reaches
The open function of storehouse lid 241.
As shown in figure 3, being respectively provided with driving cog in described driving-chain 1112 inner side edges of band and outer side edges.
As shown in Fig. 2 described dividing plate 1113 is rectangular-shaped structure, strip groove on dividing plate 1113, is evenly arranged with,
Dividing plate 1113 serves the effect of isolation dust.
As shown in figure 3, described 1111 upper end of tensioning bearing is provided with fixed disk, fixed disk and 119 middle part phase of tensioning shaft
Connection, 1111 lower end of tensioning bearing are provided with annular disk, and annular disk is mutually fixed with lower platform, is adopted between fixed disk and annular disk
Reinforcement is attached, and reinforcement is in circumferentially along the central axis of tensioning shaft.
During use, first liquid crystal display screen is arranged on upper mounting plate 13, is driven actively by rotating forward for driving motor 113
The rotation of sprocket wheel 115, is driven by driving-chain band 1112 between drive sprocket 115 and driven sprocket 117, so as to pass through master
The rotation for rotarily driving driven sprocket 117 of movable sprocket 115, and then the rotation of elevating screw 111 is driven, realize lifting seat 14
Vertical ascending motion function;Then the stretching for passing through the first shrinking connecting-rod 243 and the second shrinking connecting-rod 246 drives storehouse
Lid 241 is rotated counterclockwise with turning joint 242 as rotary shaft, has reached the open function of storehouse lid 241, in propradation
Liquid crystal display screen by storehouse lid 241 reach desktop;After using finishing, drive drive chain rotated backward by driving motor 113
The rotation of wheel 115, is driven by driving-chain band 1112 between drive sprocket 115 and driven sprocket 117, so as to pass through actively
The rotation for rotarily driving driven sprocket 117 of sprocket wheel 115, and then the rotation of elevating screw 111 is driven, realize lifting seat 14
The function of vertical lowering motion, when liquid crystal display screen all drops in cabinet 2, then by the first shrinking connecting-rod 243 and second
The stretching of shrinking connecting-rod 246 drives storehouse lid 241 to be rotated clockwise with turning joint 242 as rotary shaft, realizes storehouse
The closing function of lid 241.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not restricted to the described embodiments, the simply explanation present invention's of the description in above-described embodiment and description
Principle, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these change and change
Enter to both fall within scope of the claimed invention.The claimed scope of the invention is by appending claims and its equivalent
Define.