CN103738231A - Rotary elevating mechanism of liquid crystal screen rack for showing car - Google Patents
Rotary elevating mechanism of liquid crystal screen rack for showing car Download PDFInfo
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- CN103738231A CN103738231A CN201410000504.3A CN201410000504A CN103738231A CN 103738231 A CN103738231 A CN 103738231A CN 201410000504 A CN201410000504 A CN 201410000504A CN 103738231 A CN103738231 A CN 103738231A
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Abstract
The invention discloses a rotary elevating mechanism of a liquid crystal screen rack for showing car and belongs to the technical field of car show. The showed car comprises a chassis girder of a car frame and a carriage body. The rotary elevating mechanism of the liquid crystal screen rack comprises a fixed box rotating device which is mounted on the chassis girder of the car frame, a fixed box which is connected with the fixed box rotating device, a display screen rack elevating device which is matched with the fixed box, a fixed display screen rack which is corresponding to one side of the display screen rack elevating mechanism, a movable display screen rack which is corresponding to the other side of the display screen rack elevating mechanism, and a pair of movable display screen rack turning and folding devices which is mounted at the side of the fixed display screen rack towards the movable display screen rack, wherein the display screen rack elevating mechanism has sleeve type overlapped structure. The rotary elevating mechanism of the liquid crystal screen rack for showing car is capable of avoiding the directional limits in different angles in showing, enables the display and watching effects to be improved, enables the structure to be simplified, and is capable of representing the display screen rack in double-wide structure in use so that the large screen display requirement is satisfied.
Description
Technical field
The invention belongs to and show vehicle technical field, be specifically related to a kind of LCD display screen holder rotary lifting mechanism of exhibition vehicle.
Background technology
Exhibition vehicle is likened to mobile advertisement by people, its application is more and more frequent and increasingly extensive, for example by businessman, be used for the advertising campaign to commodity, also as by manufacturer commercialization in the mobile publicity to product, for another example to the preliminary planning of some large-scale activity and/or represent in real time, and then being used for sending the skill displaying of going to the countryside as literature and art department, Geng Erru medicinal health anti-epidemic department is touring explains and publicises displaying, etc.
In disclosed Chinese patent literature, can be seen in the technical information about the LCD display screen holder of exhibition vehicle, " lifting mechanism for LCD display screen holder of exhibition vehicle " typically recommended as invention patent mandate notification number CN101409034B, the achievement part of this patent scheme is: can make LCD display screen holder lifting freely can ensure again that LCD display screen holder has desirable rigidity to guarantee bandwagon effect, and specifically can be referring to the 0004th to 0013 section of the specification sheets of this patent.But there is following shortcoming in this patent scheme: one, do not have revolute function, thereby bandwagon effect is affected because LCD display screen holder only has elevating function; Its two, owing to need to relying on a pair of bont that structure is identical (custom claims lifting device) and a pair of raising legs, thereby complex structure, especially, once the lifting of a pair of bont has lock-out situation, can undermine LCD display screen holder so; They are three years old, because the rise height of LCD display screen holder is only the door frame height of bont, thereby lift height is restricted, thereby be not enough to equally to a certain extent embody the bandwagon effect of expectation, yet, if merely increase the height of door frame, can suffer so again the restriction of the compartment oneself height of exhibition vehicle, the height of door frame does not allow to surpass height of wagon; Its four, because LCD display screen holder shows as single width (being single width face) structure, and its maximum height is limited by height of wagon equally, thereby is not enough to meet large screen display requirement.
And for example utility model patent Granted publication CN202463725U provides " a kind of LED rotating mechanism of Multifunctional stage advertising vehicle ", this patent scheme is with respect to Granted publication CN201395083Y(stage vehicle) and CN201721375U(mobile stage vehicle) for objectively can embody the technique effect of the 0006th section of record of its specification sheets, particularly, both can make LED indication mechanism according to needing rotation, also can be by LED lifting mechanism by LED lifting (the 0033rd section of the 14th to 20 row of specification sheets), thereby can make up one of described shortcoming of aforementioned CN101409034B to a certain extent, but still there is its excess-three point shortcoming.
For above-mentioned prior art, be necessary then to improve, the applicant has done useful design for this reason, has finally formed technical scheme described below.
Summary of the invention
Task of the present invention is to provide a kind of and contributes to make scope rack do any rotation of 360 ° and use and avoid being subject to angle limits in displaying process, be conducive to make scope rack lift height significantly to increase and use to break away from and restricted by compartment envelope oneself height and improve display effect, be of value to reducing for the quantity of the lifting device of lifting scope rack, to use simplified structure and to have and be convenient to make scope rack show as two sided structure and use the LCD display screen holder rotary lifting mechanism that meets the exhibition vehicle that large screen display requires.
Task of the present invention completes like this, a kind of LCD display screen holder rotary lifting mechanism of exhibition vehicle, described exhibition vehicle comprises frame chassis crossbeam and is arranged on the compartment envelope on frame chassis crossbeam, described LCD display screen holder rotary lifting mechanism comprises a fixed case turning gear, and this fixed case turning gear is arranged on described frame chassis crossbeam in the bottom in the envelope chamber, compartment corresponding to compartment envelope; One fixed case, this fixed case is positioned at envelope chamber, described compartment and is connected with described fixed case turning gear; One scope rack jacking system, this scope rack jacking system is positioned at envelope chamber, described compartment, and matches with described fixed case; One display screen fixture and a read-out tressel, display screen fixture is corresponding to a side of described scope rack lifting mechanism, and this display screen fixture is fixedly connected with scope rack lifting mechanism towards the top of a side of read-out tressel, read-out tressel is corresponding to the opposite side of scope rack lifting mechanism, and this read-out tressel is articulated and connected towards top and the display screen fixture of a side of display screen fixture; The a pair of read-out tressel upset folding device that forms a fabricate block with display screen fixture of using for described read-out tressel is turned to the top of described display screen fixture under display state at exhibition vehicle, this a pair of read-out tressel upset folding device is arranged on display screen fixture and is connected towards a side of read-out tressel and with the top of read-out tressel towards a side of display screen fixture, wherein: described scope rack lifting mechanism is the structure of sleeve-type laminated.
In a specific embodiment of the present invention, described compartment envelope is arranged on described frame chassis crossbeam by the envelope base plate of its bottom, on envelope base plate and the middle position that is positioned at envelope base plate offer a base plate resigning hole, described fixed case turning gear is arranged on frame chassis crossbeam in the position corresponding to this base plate resigning hole, this fixed case turning gear comprises motor, gear ring bearing-transmission gear, reaction plate, ball distance ring, gear ring bearing and gear ring rotary disk, motor is fixed on described frame chassis crossbeam, gear ring bearing-transmission gear is fixed on the motor shaft of motor, reaction plate is fixed on frame chassis crossbeam, roller pearl bearing race is fixed on reaction plate, the inwall of gear ring bearing is by gear ring bearing ball and ball distance ring normal-running fit, on the outer wall of this gear ring bearing and around the circumferencial direction of gear ring bearing, form and have gear ring bearing gear, gear ring bearing gear is meshed with described gear ring bearing-transmission gear, gear ring rotary disk is fixed in the position corresponding to described base plate resigning hole and gear ring bearing, being positioned at the endoceliac described fixed case in railway carriage or compartment, described compartment is fixed on described gear ring rotary disk with longitudinal state, described display screen fixture is fixedly connected with the top of described scope rack jacking system towards the top of a side of described read-out tressel.
In another specific embodiment of the present invention, on described gear ring rotary disk, be equipped with a fixed case reaction plate, the bottom of described fixed case is fixed together with fixed case rotary disk and gear ring rotary disk, described scope rack jacking system comprises lift action cylinder, inner sleeve, intermediate sleeve and outer sleeve, inner sleeve is nested with outside described fixed case, and the outer wall bearing fit with fixed case, intermediate sleeve is nested with outside inner sleeve, and the outer wall bearing fit with inner sleeve, outer sleeve is nested with outside intermediate sleeve, and the outer wall bearing fit with intermediate sleeve, lift action cylinder is positioned at the fixed case chamber of fixed case and is arranged on the middle position of described fixed case rotary disk, the lift action cylinder post of this lift action cylinder is towards upper and be fixedly connected with the outer sleeve top board of outer sleeve, wherein: on the outer wall of described fixed case and the surrounding on top that is positioned at the short transverse of fixed case be respectively fixed with for the inner sleeve rising end position block spacing to described inner sleeve, on the inwall of described inner sleeve and the surrounding of bottom that is positioned at the short transverse of inner sleeve be respectively fixed with inner sleeve lifting slide-and-guide piece, the outer wall bearing fit of inner sleeve lifting slide-and-guide piece and described fixed case and corresponding to the below of described inner sleeve rising end position block, when inner sleeve lifting slide-and-guide piece contacts with described inner sleeve rising end position block, inner sleeve stops to top offset, on the outer wall of inner sleeve and the surrounding on top that is positioned at the short transverse of inner sleeve be respectively fixed with inner sleeve linked block, on the outer wall of described intermediate sleeve and the surrounding on top that is positioned at the short transverse of intermediate sleeve be respectively fixed with an intermediate sleeve linked block, and on the inwall of intermediate sleeve and the surrounding of bottom that is positioned at the short transverse of intermediate sleeve be respectively fixed with intermediate sleeve lifting slide-and-guide piece, the outer wall bearing fit of intermediate sleeve lifting slide-and-guide piece and inner sleeve, and when intermediate sleeve lifting slide-and-guide piece is when described inner sleeve linked block contacts, by intermediate sleeve lifting slide-and-guide piece, by inner sleeve linked block, drive inner sleeve up, on the inwall of described outer sleeve and the surrounding of bottom that is positioned at the short transverse of outer sleeve be respectively fixed with outer sleeve lifting slide-and-guide piece, the outer wall bearing fit of outer sleeve lifting slide-and-guide piece and intermediate sleeve, and when outer sleeve lifting slide-and-guide piece contacts with described intermediate sleeve linked block, by outer sleeve lifting slide-and-guide piece, by intermediate sleeve linked block, drive intermediate sleeve up, described display screen fixture is fixedly connected with described outer sleeve top board towards a side of described read-out tressel.
In another specific embodiment of the present invention, described lift action cylinder is oil cylinder or cylinder.
In another specific embodiment of the present invention, at described display screen fixture, towards the top of a side of described read-out tressel, be fixed with a screen frame permanent seat, this screen frame fixed seating is in the middle position of the length direction of display screen fixture and fix with described outer sleeve top board, at display screen fixture, towards the top of a side of read-out tressel and along the length direction of display screen fixture, with interval state, be fixed with the hinged axle bed of fixed mount, and towards the top of a side of display screen fixture and along the length direction of read-out tressel, with interval state, be fixed with the hinged axle bed of a tressel at read-out tressel, the quantity of the quantity of the hinged axle bed of tressel and the hinged axle bed of fixed mount equate and position and the hinged axle bed of fixed mount corresponding, the hinged axle bed of each tressel is articulated and connected with tressel hinging pin shaft and the hinged axle bed of fixed mount.
Of the present invention, also have in a specific embodiment, described a pair of read-out tressel upset folding device respectively comprises the folding acting cylinder of upset, fixed mount flip-arm and tressel flip-arm, the folding acting cylinder of upset is arranged on described display screen fixture towards a side of described read-out tressel, one end pivotal joint of fixed mount flip-arm is on display screen fixture, one end pivotal joint of tressel flip-arm is on read-out tressel, and the other end of the other end of fixed mount flip-arm and tressel flip-arm is coaxially hinged with the end of the folding acting cylinder post of upset of the folding acting cylinder of upset.
More of the present invention and in a specific embodiment, the folding acting cylinder of described upset is oil cylinder or cylinder.
In of the present invention and then a specific embodiment, on described envelope base plate and around the circumferencial direction of described base plate resigning hole, be fixed with one for described gear ring bearing is covered to the guard shield protecting, this guard shield is the top corresponding to gear ring bearing with airborne.
Of the present invention again more and in a specific embodiment, at the end of described lift action cylinder post, form and have an acting cylinder trabeation, this acting cylinder trabeation is fixedly connected with described outer sleeve top board.
In again of the present invention and then a specific embodiment, the shape of cross section of described fixed case, inner sleeve, intermediate sleeve and outer sleeve is rectangle or square.
One of technique effect of technical scheme provided by the invention, because making fixed case, fixed case turning gear does the revolution of 360 °, and drive the scope rack jacking system being mated to turn round by fixed case, and then turned round by scope rack jacking system driving display screen fixed mount and read-out tressel, thereby can avoid being subject to the directivity of different angles to limit in displaying process; Two, because scope rack jacking system is the structure of sleeve laminated, thereby can enlarge markedly the lift height to display screen fixture and read-out tressel, avoid being subject to the restriction of the oneself height of compartment envelope, effectively improve and show viewing effect; Three, because scope rack jacking system only needs one, thereby can simplified structure; Four, owing to can read-out tressel being turned to the top of display screen fixture and being combined into an integral body with display screen fixture by a pair of read-out tressel upset folding device under display state at exhibition vehicle, and at exhibition vehicle during in non-display state, by read-out tressel be folded in the aspectant parallel state of display screen fixture, thereby can make scope rack show as the structure of two sided under use state and meet large screen display requirement.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention schematic diagram.
Fig. 2 is the detailed structure view of the fixed case turning gear shown in Fig. 1 and scope rack jacking system.
Fig. 3 is the detailed structure view of a pair of read-out tressel upset folding device shown in Fig. 1.
Fig. 4 a to Fig. 4 d is the motion process schematic diagram that the read-out tressel shown in Fig. 1 is turned to display screen fixture top.
The specific embodiment
For the inspector that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, applicant elaborates the mode with embodiment below, but to the description of embodiment, be not all the restriction to the present invention program, any according to the present invention design, done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
Every directivity concept that relates to upper and lower, left and right, front and rear and so on is all for the residing location status of figure being described in the following description, therefore can not be understood as the restriction to the present invention program.
Refer to Fig. 1, provided a frame chassis crossbeam 1 of the structural system that belongs to exhibition vehicle and be arranged on the compartment envelope 2 on frame chassis crossbeam 1, the bottom of frame chassis crossbeam 1 is provided with wheel 11, by wheel 11, makes frame chassis crossbeam 1 together with 2 walkings (in the drawings under the drive of unshowned headstock) of compartment envelope.On the opposite side of left side as shown in Figure 1 of a side of the length direction of compartment envelope 2 and length direction right side as shown in Figure 1, be respectively provided with display platform 23, display platform 23 by be arranged on compartment envelope 2 length direction two ends and corresponding to the display platform at the accent position in envelope chamber, compartment 21, drive acting cylinder 231 to control, particularly, when display platform drives the driving acting cylinder post 2311 of acting cylinder 231 to stretch out outside cylinder body, just by driving acting cylinder post 2311 display platform 23 to be turned and turn to the horizontality that is tending towards consistent with the envelope base plate 22 of compartment envelope 2 towards the direction that deviates from envelope chamber, compartment 21, otherwise, by 21 sealings of envelope chamber, 23 pairs of compartments of display platform.Because the function of display platform 23 belongs to known technology, such as being fully understood by the reading of centering state invention patent mandate notification number CN101704346B, publication No. CN102887104A and Granted publication CN101409304B etc., so applicant repeats no more.In Fig. 1, also illustrated to be positioned at compartment envelope 2 top and there is opening or close up a pair of covering for roofs 24 of function, covering for roofs 24 is controlled by the covering for roofs acting cylinder 25 being arranged on compartment envelope 2, under the work of covering for roofs acting cylinder 25, for example, when the covering for roofs acting cylinder post 251 of covering for roofs acting cylinder 25 stretches outside cylinder body, because covering for roofs acting cylinder post 251 is connected with covering for roofs 24, because of the slide rail 26 that covering for roofs 24 followed be arranged on compartment envelope 2 by covering for roofs acting cylinder post 251 and being arranged at roller support 27(, be arranged on compartment envelope 2) on the guiding of roller 271 under to the outside displacement of compartment envelope 2, thereby the top in envelope chamber, compartment 21 is opened, vice versa.
Above mentioned display platform drives acting cylinder 231 and covering for roofs acting cylinder 25 to be oil cylinder, hydraulic circuit control system control linkage with exhibition vehicle, but, if being substituted to display platform, cylinder drives acting cylinder 231 and covering for roofs acting cylinder 25, and by the gas source pipe path control system control linkage of cylinder and exhibition vehicle, be considered to be so equivalence.
Please continue to refer to Fig. 1, applicant elaborates to the structural system of LCD display screen holder rotary lifting mechanism of the present invention below, this LCD display screen holder rotary lifting mechanism comprises a fixed case turning gear 3, and this fixed case turning gear 3 is arranged on aforementioned frame chassis crossbeam 1 in the bottom in the envelope chamber, compartment 21 corresponding to aforementioned compartment envelope 2, one fixed case 4, this fixed case 4 is positioned at envelope chamber, compartment 21, and fixing with fixed case turning gear 3, the scope rack jacking system 5 of one sleeve laminated structure, the scope rack jacking system 5 of this sleeve laminated structure is positioned at equally envelope chamber, compartment 21 and matches with aforesaid fixed case 4, one display screen fixture 6(also can be described as LCDs fixed mount, as follows) and a read-out tressel 7(also can be described as LCDs tressel, as follows), display screen fixture 6 is corresponding to a side of aforementioned scope rack lifting mechanism 5, corresponding to the right side of location status shown in Fig. 1, and this display screen fixture 6 is fixedly connected with scope rack lifting mechanism 5 towards the top of a side of read-out tressel 7, read-out tressel 7 is corresponding to the opposite side of scope rack lifting mechanism 5, corresponding to the left side of location status shown in Fig. 1, and this read-out tressel 7 is articulated and connected towards top and the display screen fixture 6 of a side of display screen fixture 6, a pair of read-out tressel upset folding device 8, this pair of read-out tressel upset folding device 8 is arranged on display screen fixture 6 towards a side (take state shown in Fig. 1 as example) of read-out tressel 7 and is connected with the upper articulation of read-out tressel 7 towards a side of display screen fixture 6.This pair of read-out tressel upset folding device 8 is balanced setting of length direction of aforesaid display screen fixture 6, the so-called balanced concept arranging refers to: one of them the read-out tressel upset folding device in a pair of read-out tressel upset folding device 8 is positioned at one end of length direction of display screen fixture 7 corresponding to the left side of scope rack jacking system 5 as shown in Figure 3, and the other end of length direction that in a pair of read-out tressel upset folding device 8, another read-out tressel upset folding device is positioned at display screen fixture 7 is corresponding to the right side of the scope rack jacking system 5 of being illustrated by Fig. 3.Exhibition vehicle in showing shape under, by a pair of read-out tressel upset folding device 8, towards 180 ° of the direction upsets of display screen fixture 6, make it correspond to the top of display screen fixture 6 read-out tressel 7, form a fabricate block with display screen fixture 6, so-called fabricate block can be illustrated by Fig. 3, the upper edge of read-out tressel 7 and the upper edge of display screen fixture 6 that are state shown in Fig. 1 engage, read-out tressel 7 is stacked on display screen fixture 6, forms the scope rack with two sided effect (Fig. 3 shows) of an expansion.
Ask for an interview Fig. 2 and continue in conjunction with Fig. 1, applicant it should be noted that: in order clearly to represent fixed case turning gear 3, particularly clearly show being connected of display screen fixture 6 and scope rack jacking system 5, thereby change has been done with respect to Fig. 1 in the position shown in Fig. 2, more precisely the left side of state shown in Fig. 2 is the right side of state shown in Fig. 1, and shown in same Fig. 2, the right side of state is the left side of location status shown in Fig. 1.
As aforementioned, compartment envelope 2 be by its bottom envelope base plate 22 be fixed on frame chassis crossbeam 1, thereby produce and interfere for fear of 22 pairs of fixed case turning gears of envelope base plate 3, so preferably on envelope base plate 22 and the middle position that is positioned at envelope base plate 22 offer the rounded base plate resigning hole 221 of a shape, here the middle position of mentioning refers to cornerwise crossover location (envelope base plate 22 is cuboid) of envelope base plate 22, and aforesaid fixed case turning gear 3 is arranged on frame chassis crossbeam 1 in the position corresponding to base plate resigning hole 221.
Aforesaid fixed case turning gear 3 preferably but not the structure being definitely limited to is as follows: comprise motor 31, gear ring bearing-transmission gear 32, reaction plate 33, ball distance ring 34, gear ring bearing 35 and gear ring rotary disk 36, motor 31 is fixed on motor cabinet 312, and the motor shaft 311 of motor 31 is towards upper, motor cabinet 312 is preferably fixed on frame chassis crossbeam 1 as bolt fixed mode with welding manner or with fastener, and gear ring bearing-transmission gear 32 is preferably used the fixing mode of flat key to be fixed on motor shaft 311.Reaction plate 33 is fixing in the position corresponding to below base plate resigning hole 221 and frame chassis crossbeam 1.Roller pearl bearing race 34 is fixing with reaction plate 33 by one group of bearing race fix screw spaced apart 341, preferably, one group of bearing race fix screw 341 is revolved after the reaction plate screw hole 331 through on reaction plate 33 and in frame chassis crossbeam 1, and limited by the nut 3411 that limits screwing on bearing race fix screw 341.Hence one can see that, and ball distance ring 34 and reaction plate 33 are fixed on frame chassis crossbeam 1 by same group of bearing race fix screw 341.The inwall of gear ring bearing 35 is by gear ring bearing ball 351 and aforementioned ball distance ring 34 normal-running fiies, be that gear ring bearing 35 is positioned at outside ball distance ring 34, on the outer wall of gear ring bearing 35 and around the circumferencial direction of gear ring bearing 35, form and have gear ring bearing gear 352, gear ring bearing gear 352 is meshed with gear ring bearing-transmission gear 32.Gear ring rotary disk 36 is being fixed corresponding to the position and the gear ring bearing 35 that are preset in the gear ring bearing screw hole 353 on gear ring bearing 35 by one group of gear ring rotary disk fix screw 362 spaced apart in the position corresponding to base plate resigning hole 221 and above corresponding to gear ring bearing 35.
As shown in Figure 2, aforesaid gear ring rotary disk 36 towards on a side be fixed with a fixed case reaction plate 361, the bottom of aforesaid fixed case 4 and be positioned on outer wall to form and have one group of fixed case permanent seat 43 spaced apart, each fixed case permanent seat 43 is fixed with aforesaid gear ring rotary disk 36 after through fixed case reaction plate 361 by permanent seat screw 431, hence one can see that, and fixed case reaction plate 361 is fixing with gear ring rotary disk 36 with permanent seat screw 431.
Preferably, on aforementioned envelope base plate 22 and around the circumferencial direction of base plate resigning hole 221, by guard shield support tube 2221, be fixed with one for gear ring bearing 35 being covered to the guard shield 222 protecting, shown in figure, guard shield 222 is the top corresponding to gear ring bearing 35 with airborne.
When motor 31 work, by motor shaft 311, drive 32 rotations of gear ring bearing-transmission gear, because gear ring bearing 35 is meshed with gear ring bearing-transmission gear 32 by the gear ring bearing gear 352 on it, thereby under the rotation of gear ring bearing-transmission gear 32, drive gear ring bearing 35 around ball distance ring 34 rotations, because gear ring rotary disk 36 is fixing with gear ring bearing 35, thereby drive its rotation by gear ring bearing 35, again because fixed case 4 is fixing with gear ring rotary disk 36 by fixed case reaction plate 361, thereby when driving 361 rotation of fixed case reaction plate, gear ring rotary disk 36 drive fixed case 4 to rotate simultaneously, and then by the rotation of fixed case 4, driven the scope rack jacking system 5 being mated to rotate, finally by scope rack jacking system 5, drive connected display screen fixture 6 rotations, by display screen fixture 6 driving display screen tressel 7 rotations.
Shown in Fig. 1 and Fig. 2, aforesaid fixed case 4 is to be fixed on the fixed case reaction plate 361 of gear ring rotary disk 36 with longitudinal state in envelope chamber, compartment 21, and the top of fixed case 4 is not sealed.
Above mentioned scope rack jacking system 5 preferably but not the structure being definitely limited to is as follows: comprise lift action cylinder 51, inner sleeve 52, intermediate sleeve 53 and outer sleeve 54, inner sleeve 52 is nested with outside fixed case 4, and with the outer wall bearing fit of fixed case 4, top and the bottom of this inner sleeve 52 are not sealed.Intermediate sleeve 53 is nested with outside inner sleeve 52, and with the outer wall bearing fit of inner sleeve 52, top and the bottom of this intermediate sleeve 52 are not sealed.Outer sleeve 54 is nested with outside intermediate sleeve 53, and with the outer wall bearing fit of intermediate sleeve 53, the top of this outer sleeve 54 is fixed with outer sleeve top board 541, and the bottom of outer sleeve 54 is not sealed.Lift action cylinder 51 is positioned at the fixed case chamber 41 of aforementioned fixed case 4 and by acting cylinder, connects bearing pin 512 at the middle position corresponding to fixed case chamber 41 and is connected with the connecting pin axle bed 3611 of the middle position of aforesaid fixed case rotary disk 361, and the lift action cylinder post 511 of this lift action cylinder 51 is towards upper and be fixedly connected with the outer sleeve top board 541 of outer sleeve 54.
Shown in Fig. 1 and Fig. 2, on the outer wall of aforementioned fixed case 4 and the surrounding on top that is positioned at the short transverse of fixed case 4 be respectively fixed with one for the inner sleeve rising end position block 42 spacing to aforementioned inner sleeve 52, on the inwall of inner sleeve 52 and be positioned at inner sleeve 52 short transverse bottom surrounding the surrounding of bottom be respectively fixed with an inner sleeve lifting slide-and-guide piece 521, the outer wall bearing fit of inner sleeve lifting slide-and-guide piece 521 and fixed case 4, and corresponding to the below of inner sleeve rising end position block 42.When inner sleeve lifting slide-and-guide piece 521 contacts with aforementioned inner sleeve rising end position block 42, the rising degree of inner sleeve 52 reaches capacity, and inner sleeve 52 stops to top offset.On the outer wall of inner sleeve 52 and the surrounding on top that is positioned at the short transverse of inner sleeve 52 be respectively fixed with an inner sleeve linked block 522.On the outer wall of intermediate sleeve 53 and the surrounding on top that is positioned at the short transverse of intermediate sleeve 53 be respectively fixed with an intermediate sleeve linked block 531, and on the inwall of intermediate sleeve 53 and the surrounding of bottom that is positioned at the short transverse of intermediate sleeve 53 be respectively fixed with an intermediate sleeve lifting slide-and-guide piece 532, the outer wall bearing fit of intermediate sleeve lifting slide-and-guide piece 532 and inner sleeve 52, and when intermediate sleeve lifting slide-and-guide piece 532 contacts with aforesaid inner sleeve linked block 522, by intermediate sleeve lifting slide-and-guide piece 532, by inner sleeve linked block 522, drive inner sleeve 52 up.On the inwall of outer sleeve 54 and be positioned at outer sleeve 54 short transverse bottom surrounding the surrounding of bottom be respectively fixed with an outer sleeve lifting slide-and-guide piece 542, the outer wall bearing fit of outer sleeve lifting slide-and-guide piece 542 and middle part sleeve 53, and when outer sleeve lifting slide-and-guide piece 542 contacts with aforesaid intermediate sleeve linked block 531, by outer sleeve lifting slide-and-guide piece 542, by intermediate sleeve linked block 531, drive intermediate sleeve 53 up to top offset.
As shown in the above description, inner sleeve 52, intermediate sleeve 53 and outer sleeve 54 have formed the structure of sleeve laminated, and according to professional general knowledge, the quantity of intermediate sleeve 53 is not subject to the restriction of the present embodiment, that is to say and can increase as required the quantity of intermediate sleeve 53, if there is this situation, should be considered as so not taking off technical scheme category disclosed by the invention.
Aforesaid lift action cylinder 51 can be both oil cylinder, can be also cylinder, and the present embodiment is used oil cylinder, specifically as aforementioned display platform driven to the description of acting cylinder 231 and covering for roofs acting cylinder 25.
End at aforesaid lift action cylinder post 511 forms the acting cylinder trabeation 5111 that has a diameter to be significantly greater than the diameter of lift action cylinder post 511, and the outer sleeve top board 541 of aforementioned outer sleeve 54 is fixing with acting cylinder trabeation 5111 by one group of outer sleeve top board fix screw 5411.
Preferably, the shape of cross section of aforesaid inner sleeve 52, intermediate sleeve 53 and outer sleeve 54 is designed to oblong or square (the present embodiment is selected the latter), but can be also other cross sectional shape, as triangle, hexagon, etc.
Reliably fixing in order to ensure aforesaid inner sleeve lifting slide-and-guide piece 521 and inner sleeve 52, thereby be fixed with an inner sleeve fixed-wing 523 on the outer wall of inner sleeve 52 and in the position corresponding to inner sleeve lifting slide-and-guide piece 521, inner sleeve lifting slide-and-guide piece 521 is designed to L font, and adopts the first orienting lug fix screw 5211 fixing with inner sleeve fixed-wing 523; On the outer wall of intermediate sleeve 53 and in the position corresponding to intermediate sleeve lifting slide-and-guide piece 532, be fixed with an intermediate sleeve fixed-wing 533 equally, intermediate sleeve lifting slide-and-guide piece 532 is designed to L font, and adopts the second orienting lug fix screw 5321 fixing with intermediate sleeve fixed-wing 533; On the outer wall of outer sleeve 54 and in the position corresponding to outer sleeve lifting slide-and-guide piece 542, be fixed with an outer sleeve fixed-wing 543, outer sleeve lifting activity-oriented piece 542 is designed to L font, and adopts the 3rd orienting lug fix screw 5421 fixing with outer sleeve fixed-wing 543.
When 51 work of lift action cylinder, for example, when lift action cylinder post 511 stretches outside cylinder body, while protruding upward, by the acting cylinder trabeation 5111 of the end of lift action cylinder post 511, promoted the outer sleeve top board 541 of outer sleeves 54, make outer sleeve 54 to top offset, when the outer sleeve lifting slide-and-guide piece 542 on outer sleeve 54 contacts with the below of the intermediate sleeve linked block 531 of intermediate sleeve 53, by outer sleeve lifting slide-and-guide piece 542, drive intermediate sleeve linked block 531 and make intermediate sleeve 53 to top offset, at intermediate sleeve 53 in the process of top offset, when the intermediate sleeve lifting slide-and-guide piece 532 of intermediate sleeve 53 contacts with the below of the inner sleeve linked block 522 of inner sleeve 52, by intermediate sleeve lifting slide-and-guide piece 532, drive inner sleeve linked block 522 and make inner sleeve 52 to top offset, at inner sleeve 52 in the process of top offset, when the inner sleeve lifting slide-and-guide piece 521 of inner sleeve 52 contacts with the below of inner sleeve rising end position block 42 on fixed case 4, inner sleeve 52 no longer rises, outer sleeve 54 now and intermediate sleeve 53 be the end position in rising also, the rise height of display screen fixture 6 and read-out tressel 7 significantly can be increased therefrom, embodied the effect that high " exhibition " far looks forward or upwards.Lift action cylinder post 511 is when shrinking in cylinder body, and process is contrary.
As shown in Figure 2, at aforementioned display screen fixture 6, towards the top of a side of read-out tressel 7, be fixed with a screen frame permanent seat 61, this screen frame permanent seat 61 is positioned at the middle position of length direction of display screen fixture 6 and fixing with aforesaid outer sleeve top board 541 by screen frame permanent seat fix screw 611.At display screen fixture 6, towards the top of a side of read-out tressel 7 and along the length direction of display screen fixture 6, with interval state, be fixed with the hinged axle bed 62 of fixed mount, and the opposite side of display screen fixture 6 is that the left side of location status shown in Fig. 2 is for fixed mount LCDs 63 is set.At read-out tressel 7, towards the top of a side of display screen fixture 6 and along the length direction of read-out tressel 7, with interval state, be fixed with the hinged axle bed 71 of tressel, the quantity of the quantity of the hinged axle bed 71 of tressel and the hinged axle bed 62 of fixed mount equate and position corresponding, the hinged axle bed 71 of each tressel adopts tressel hinging pin shaft 711 and the hinged axle bed 62 of fixed mount to be articulated and connected, and the right side that the opposite side of read-out tressel 7 is location status shown in Fig. 2 supplies to arrange tressel LCDs 72.
Preferably, to display screen fixture 6, the surface except fixed mount LCDs 63 is set adopts 64 sealings of fixed mount shrouding; Tressel shrouding 73 sealings (Fig. 3 sign) for surface to read-out tressel 7 except tressel LCDs 72 is set.
Refer to Fig. 3 and still in conjunction with Fig. 1, above mentioned a pair of read-out tressel upset folding device 8 respectively comprises the folding acting cylinder 81 of upset, fixed mount flip-arm 82 and tressel flip-arm 83, the folding acting cylinder 81 of upset is hinged on swivel pin axle bed 8121 by acting cylinder hinging pin shaft 812, swivel pin axle bed 8121 is fixed on the bottom of the length direction of display screen fixture 6, fixed mount flip-arm bearing pin 821 pivotal joints are passed through on fixed mount flip-arm axis pin base 8211 in one end of fixed mount flip-arm 82, fixed mount flip-arm axis pin base 8211 be fixed on display screen fixture 6 length direction top and corresponding to the top of swivel pin axle bed 8121, tressel flip-arm bearing pin 831 pivotal joints are passed through on tressel flip-arm axis pin base 8311 in one end of tressel flip-arm 83, tressel flip-arm axis pin base 8311 is fixed on the top of length direction of the read-out tressel 7 of location status shown in Fig. 1, be fixed on location status shown in Fig. 3 read-out tressel 7 length direction bottom (because Fig. 3 shown in read-out tressel 7 with respect to Fig. 1 state, overturn 180 °), the other end of the other end of fixed mount flip-arm 82 and tressel flip-arm 83 is coaxially hinged on the lift action cylinder post connector 8111 of lift action cylinder post 811 ends by lift action cylinder axis pin of column 81111.About the folding acting cylinder 81 that overturns, both can use oil cylinder, also can use cylinder, the present embodiment adopts oil cylinder, specifically as display platform driven to the description of acting cylinder 231 and covering for roofs acting cylinder 25.
Refer to Fig. 4 a to Fig. 4 d, and in conjunction with Fig. 1 to Fig. 3, applicant narrates principle of work of the present invention, shown in Fig. 4 a, read-out tressel 7, in the state mutually parallel with display screen fixture 6, that is to say that read-out tressel 7 is in folded state, now, the state of the folding acting cylinder post 811 of upset of the folding acting cylinder 81 of upset of a pair of read-out tressel upset folding device 8 in bouncing back in cylinder body, specifically as shown in Figure 1.Shown in Fig. 4 b, in the time read-out tressel 7 will being overturn towards the top of display screen fixture 6, so under the work of the folding acting cylinder 81 of upset, the folding acting cylinder post 811 of upset stretches out outside cylinder body, by the folding acting cylinder post 811 of upset, drive fixed mount flip-arm 82 and tressel flip-arm 83 around fixed mount flip-arm bearing pin 821 and tressel flip-arm bearing pin 831, to rotate respectively, make read-out tressel 7 together with 90 ° of tressel LCDs 72 upsets on it, with display screen fixture 6 in vertical state, be state shown in Fig. 4 b.Shown in Fig. 4 c, under the state then stretching outside cylinder body of the folding acting cylinder post 811 of upset, make read-out tressel 7 continue upset, and be turned to the upper edge of the length direction that is tending towards corresponding to display screen fixture 6, specifically by Fig. 4 c, illustrated.Shown in Fig. 4 d, under Fig. 4 c state, along with the further stretching, extension of the folding acting cylinder post 811 of upset outside cylinder body, make read-out tressel 7 be turned to the top of the length direction of display screen fixture 6 completely, engage with display screen fixture 6 and form a fabricate block, completed 180 of read-out tressel 7 ° of upsets, specifically by Fig. 4 d, illustrated.In the time read-out tressel 7 will being returned to the state shown in Fig. 4 a, working process is with aforementioned contrary so, that is, the folding acting cylinder post 811 of upset is replied in cylinder body.
The above-mentioned rotary movement to read-out tressel 7 is at scope rack jacking system 5, display screen fixture 6 and read-out tressel 7 to be lifted to after action outside the envelope chamber, compartment 21 of compartment envelope 2 completes just to carry out, and the working process of scope rack jacking system 5 is owing to having described in the above, thereby no longer repeat.In the time will making the direction (also can claim orientation or angle) of display screen fixture 6 and read-out tressel 7 adjust and even ceaselessly rotate, enable so aforesaid fixed case turning gear 3, by fixed case turning gear 3, drive fixed case 4 revolutions, by fixed case 4, driven scope rack jacking system 5 revolutions that are mated, outer sleeve 54 driving display screen fixed mount 6 revolutions by scope rack jacking system 5, drive connected read-out tressel 7 revolutions by display screen fixture 6.
In sum, technical scheme provided by the invention has overcome the shortcoming in prior art, has completed faithfully invention task, has embodied objectively the technique effect referring in the superincumbent technique effect of applicant hurdle, thereby to can yet be regarded as be a ultimate attainment technical scheme.
Claims (10)
1. the LCD display screen holder rotary lifting mechanism of an exhibition vehicle, described exhibition vehicle comprises frame chassis crossbeam (1) and is arranged on the compartment envelope (2) on frame chassis crossbeam (1), it is characterized in that described LCD display screen holder rotary lifting mechanism comprises a fixed case turning gear (3), this fixed case turning gear (3) is arranged on described frame chassis crossbeam (1) in the bottom in the envelope chamber, compartment (21) corresponding to compartment envelope (2); One fixed case (4), this fixed case (4) is positioned at envelope chamber, described compartment (21) and is connected with described fixed case turning gear (3); One scope rack jacking system (5), this scope rack jacking system (5) is positioned at envelope chamber, described compartment (21), and matches with described fixed case (4); One display screen fixture (6) and a read-out tressel (7), display screen fixture (6) is corresponding to a side of described scope rack lifting mechanism (5), and this display screen fixture (6) is fixedly connected with scope rack lifting mechanism (5) towards the top of a side of read-out tressel (7), read-out tressel (7) is corresponding to the opposite side of scope rack lifting mechanism (5), and this read-out tressel (7) is articulated and connected towards top and the display screen fixture (6) of a side of display screen fixture (6); The a pair of read-out tressel upset folding device (8) that forms a fabricate block with display screen fixture (6) of using for described read-out tressel (7) is turned to the top of described display screen fixture (6) under display state at exhibition vehicle, this a pair of read-out tressel upset folding device (8) is arranged on display screen fixture (6) and is connected towards a side of read-out tressel (7) and with the top of read-out tressel (7) towards a side of display screen fixture (6), wherein: described scope rack lifting mechanism (5) is the structure of sleeve-type laminated.
2. the LCD display screen holder rotary lifting mechanism of exhibition vehicle according to claim 1, it is characterized in that described compartment envelope (2) is arranged on described frame chassis crossbeam (1) by the envelope base plate (22) of its bottom, middle position upper at envelope base plate (22) and that be positioned at envelope base plate (22) offers a base plate resigning hole (221), described fixed case turning gear (3) is arranged on frame chassis crossbeam (1) in the position corresponding to this base plate resigning hole (221), this fixed case turning gear (3) comprises motor (31), gear ring bearing-transmission gear (32), reaction plate (33), ball distance ring (34), gear ring bearing (35) and gear ring rotary disk (36), motor (31) is fixed on described frame chassis crossbeam (1), gear ring bearing-transmission gear (32) is fixed on the motor shaft (311) of motor (31), reaction plate (33) is fixed on frame chassis crossbeam (1), roller pearl bearing race (34) is fixed on reaction plate (33), the inwall of gear ring bearing (35) is by gear ring bearing ball (351) and ball distance ring (34) normal-running fit, on the outer wall of this gear ring bearing (35) and around the circumferencial direction of gear ring bearing (35), form and have gear ring bearing gear (352), gear ring bearing gear (352) is meshed with described gear ring bearing-transmission gear (32), gear ring rotary disk (36) is fixing in the position corresponding to described base plate resigning hole (221) and gear ring bearing (35), the described fixed case (4) that is positioned at envelope chamber, described compartment (21) is fixed on described gear ring rotary disk (36) with longitudinal state, described display screen fixture (6) is fixedly connected with the top of described scope rack jacking system (5) towards the top of a side of described read-out tressel (7).
3. the LCD display screen holder rotary lifting mechanism of exhibition vehicle according to claim 2, it is characterized in that being equipped with a fixed case reaction plate (361) on described gear ring rotary disk (36), the bottom of described fixed case (4) is fixing together with fixed case rotary disk (361) and gear ring rotary disk (36), described scope rack jacking system (5) comprises lift action cylinder (51), inner sleeve (52), intermediate sleeve (53) and outer sleeve (54), inner sleeve (52) is nested with outside described fixed case (4), and the outer wall bearing fit with fixed case (4), intermediate sleeve (53) is nested with outside inner sleeve (52), and the outer wall bearing fit with inner sleeve (52), outer sleeve (54) is nested with outside intermediate sleeve (53), and the outer wall bearing fit with intermediate sleeve (53), lift action cylinder (51) is positioned at the fixed case chamber (41) of fixed case (4) and is arranged on the middle position of described fixed case rotary disk (361), the lift action cylinder post (511) of this lift action cylinder (51) is towards upper and be fixedly connected with the outer sleeve top board (541) of outer sleeve (54), wherein: on the outer wall of described fixed case (4) and the surrounding on top that is positioned at the short transverse of fixed case (4) be respectively fixed with for the inner sleeve rising end position block (42) spacing to described inner sleeve (52), on the inwall of described inner sleeve (52) and the surrounding of bottom that is positioned at the short transverse of inner sleeve (52) be respectively fixed with inner sleeve lifting slide-and-guide piece (521), the outer wall bearing fit of inner sleeve lifting slide-and-guide piece (521) and described fixed case (4) and corresponding to the below of described inner sleeve rising end position block (42), when inner sleeve lifting slide-and-guide piece (521) contacts with described inner sleeve rising end position block (42), inner sleeve (52) stops to top offset, on the outer wall of inner sleeve (52) and the surrounding on top that is positioned at the short transverse of inner sleeve (52) be respectively fixed with inner sleeve linked block (522), on the outer wall of described intermediate sleeve (53) and the surrounding on top that is positioned at the short transverse of intermediate sleeve (53) be respectively fixed with an intermediate sleeve linked block (531), and on the inwall of intermediate sleeve (53) and the surrounding of bottom that is positioned at the short transverse of intermediate sleeve (53) be respectively fixed with intermediate sleeve lifting slide-and-guide piece (532), the outer wall bearing fit of intermediate sleeve lifting slide-and-guide piece (532) and inner sleeve (52), and when intermediate sleeve lifting slide-and-guide piece (532) is when described inner sleeve linked block (522) contacts, by intermediate sleeve lifting slide-and-guide piece (532), by inner sleeve linked block (522), drive inner sleeve (52) up, on the inwall of described outer sleeve (54) and the surrounding of bottom that is positioned at the short transverse of outer sleeve (54) be respectively fixed with outer sleeve lifting slide-and-guide piece (542), the outer wall bearing fit of outer sleeve lifting slide-and-guide piece (542) and intermediate sleeve (53), and when outer sleeve lifting slide-and-guide piece (542) contacts with described intermediate sleeve linked block (531), by outer sleeve lifting slide-and-guide piece (542), by intermediate sleeve linked block (531), drive intermediate sleeve (53) up, described display screen fixture (6) is fixedly connected with described outer sleeve top board (541) towards a side of described read-out tressel (7).
4. the LCD display screen holder rotary lifting mechanism of exhibition vehicle according to claim 3, is characterized in that described lift action cylinder (51) is oil cylinder or cylinder.
5. the LCD display screen holder rotary lifting mechanism of exhibition vehicle according to claim 3, it is characterized in that being fixed with towards the top of a side of described read-out tressel (7) at described display screen fixture (6) a screen frame permanent seat (61), this screen frame permanent seat (61) is positioned at the middle position of length direction of display screen fixture (6) and fixing with described outer sleeve top board (541), at display screen fixture (6), towards the top of a side of read-out tressel (7) and along the length direction of display screen fixture (6), with interval state, be fixed with the hinged axle bed of fixed mount (62), and towards the top of a side of display screen fixture (6) and along the length direction of read-out tressel (7), with interval state, be fixed with the hinged axle bed of a tressel (71) at read-out tressel (7), the quantity of the quantity of the hinged axle bed of tressel (71) and the hinged axle bed of fixed mount (62) equate and position and the hinged axle bed of fixed mount (62) corresponding, the hinged axle bed of each tressel (71) is articulated and connected with tressel hinging pin shaft (711) and the hinged axle bed of fixed mount (62).
6. the LCD display screen holder rotary lifting mechanism of exhibition vehicle according to claim 1, it is characterized in that described a pair of read-out tressel upset folding device (8) respectively comprises the folding acting cylinder (81) of upset, fixed mount flip-arm (82) and tressel flip-arm (83), the folding acting cylinder (81) of upset is arranged on described display screen fixture (6) towards a side of described read-out tressel (7), one end pivotal joint of fixed mount flip-arm (82) is on display screen fixture (6), one end pivotal joint of tressel flip-arm (83) is on read-out tressel (7), and the other end of the other end of fixed mount flip-arm (82) and tressel flip-arm (83) is coaxially hinged with the end of the folding acting cylinder post (811) of upset of the folding acting cylinder (81) of upset.
7. the LCD display screen holder rotary lifting mechanism of exhibition vehicle according to claim 6, is characterized in that the folding acting cylinder (81) of described upset is oil cylinder or cylinder.
8. the LCD display screen holder rotary lifting mechanism of exhibition vehicle according to claim 2, it is characterized in that upper at described envelope base plate (22) and be fixed with one for described gear ring bearing (35) being covered to the guard shield (222) protecting around the circumferencial direction of described base plate resigning hole (221), this guard shield (222) is the top corresponding to gear ring bearing (35) with airborne.
9. the LCD display screen holder rotary lifting mechanism of exhibition vehicle according to claim 3, it is characterized in that there is an acting cylinder trabeation (5111) in the end formation of described lift action cylinder post (511), this acting cylinder trabeation (5111) is fixedly connected with described outer sleeve top board (541).
10. the LCD display screen holder rotary lifting mechanism of exhibition vehicle according to claim 3, is characterized in that the shape of cross section of described fixed case (4), inner sleeve (52), intermediate sleeve (53) and outer sleeve (54) is rectangle or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410000504.3A CN103738231A (en) | 2014-01-02 | 2014-01-02 | Rotary elevating mechanism of liquid crystal screen rack for showing car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410000504.3A CN103738231A (en) | 2014-01-02 | 2014-01-02 | Rotary elevating mechanism of liquid crystal screen rack for showing car |
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| Publication Number | Publication Date |
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| CN103738231A true CN103738231A (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410000504.3A Pending CN103738231A (en) | 2014-01-02 | 2014-01-02 | Rotary elevating mechanism of liquid crystal screen rack for showing car |
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| CN (1) | CN103738231A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104260662A (en) * | 2014-10-08 | 2015-01-07 | 徐州海伦哲专用车辆股份有限公司 | Vehicle-mounted special vehicle capable of fast setting up unfolded large LED screens |
| CN105702164A (en) * | 2016-03-30 | 2016-06-22 | 武汉华星光电技术有限公司 | Foldable display device |
| CN107481618A (en) * | 2017-09-26 | 2017-12-15 | 天津昊天伟业电子科技有限公司 | A kind of novel advertising machine |
| CN108799776A (en) * | 2018-07-05 | 2018-11-13 | 深圳橙子自动化有限公司 | A kind of lift Folding display screen device |
| CN109606269A (en) * | 2018-11-19 | 2019-04-12 | 深圳市奥拓体育文化发展有限公司 | Vehicle-mounted screen |
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| CN101013548A (en) * | 2007-02-01 | 2007-08-08 | 沈阳引丰广告有限公司 | Folding advertising vehicle with roll screen |
| CN203637655U (en) * | 2014-01-02 | 2014-06-11 | 常熟华东汽车有限公司 | Rotary lifting mechanism of liquid crystal display screen of show car |
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| CN2763928Y (en) * | 2005-01-04 | 2006-03-08 | 沈阳天丰广告有限公司 | Advertisement vehicle |
| CN101013548A (en) * | 2007-02-01 | 2007-08-08 | 沈阳引丰广告有限公司 | Folding advertising vehicle with roll screen |
| CN203637655U (en) * | 2014-01-02 | 2014-06-11 | 常熟华东汽车有限公司 | Rotary lifting mechanism of liquid crystal display screen of show car |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104260662A (en) * | 2014-10-08 | 2015-01-07 | 徐州海伦哲专用车辆股份有限公司 | Vehicle-mounted special vehicle capable of fast setting up unfolded large LED screens |
| CN105702164A (en) * | 2016-03-30 | 2016-06-22 | 武汉华星光电技术有限公司 | Foldable display device |
| CN105702164B (en) * | 2016-03-30 | 2018-06-22 | 武汉华星光电技术有限公司 | foldable display device |
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| CN108799776A (en) * | 2018-07-05 | 2018-11-13 | 深圳橙子自动化有限公司 | A kind of lift Folding display screen device |
| CN108799776B (en) * | 2018-07-05 | 2024-01-05 | 深圳橙子自动化有限公司 | Lifting type folding display screen device |
| CN109606269A (en) * | 2018-11-19 | 2019-04-12 | 深圳市奥拓体育文化发展有限公司 | Vehicle-mounted screen |
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Application publication date: 20140423 |