CN101409034B - Lifting mechanism for LCD display screen holder of exhibition vehicle - Google Patents
Lifting mechanism for LCD display screen holder of exhibition vehicle Download PDFInfo
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- CN101409034B CN101409034B CN2008101945417A CN200810194541A CN101409034B CN 101409034 B CN101409034 B CN 101409034B CN 2008101945417 A CN2008101945417 A CN 2008101945417A CN 200810194541 A CN200810194541 A CN 200810194541A CN 101409034 B CN101409034 B CN 101409034B
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Abstract
A lifting mechanism for an LCD frame of an exhibition car belongs to the technical field of exhibition vehicles. The lifting mechanism comprises a pair of hoisting devices which are corresponding to each other and arranged on a platform floor of the exhibition car, the pair of the hoisting devices are fitted with a hoisting frame in a sliding manner respectively; one of the hoisting devices is fixed with the lower part of an end along the length direction of the LCD frame of the exhibition car, and the other hoisting device is fixed with the lower part of the other end along the length direction of the LCD frame of the exhibition car. The lifting mechanism has the advantages that by hoisting or lowering the hoisting frame with the hoisting devices, the LCD frame is hoisted or lowered along with the hoisting frame, thus meeting the requirement of freely lifting the LCD frame; the pair of hoisting frames has good holding effect on the LCD frame and can ensure the rigidity of the LCD frame to avoid swing which affects the exhibition in the course of exhibition.
Description
Technical field
The invention belongs to and show the vehicle technical field, be specifically related to a kind of lifting mechanism for LCD display screen holder of exhibition vehicle.
Background technology
Exhibition vehicle is mobile advertisement by people analogy, and it uses more and more frequent and extensively, for example, is used for advertising campaign to commodity by businessman, also as, be used for propaganda by producer to product, for another example, to the preliminary planning of some large-scale activity or represent in real time, or the like.
Usually be equipped with LCDs on exhibition vehicle, LCDs is located on the LCD display screen holder, LCD display screen holder and vehicle stationary.Yet, because the LCD display screen holder of the exhibition vehicle in the prior art is fixed, can not be according to needing lifting, only depend on its bottom and vehicle stationary, thereby bring following technical matters: the one, under display state, easily produce teeter, both influenced bandwagon effect, there is security again, particularly under the big situation of extraneous wind scale number, because of the rigidity shortcoming of LCD display screen holder can't be resisted the lateral resistance LCDs of can only stopping using; The 2nd, the less and traffic altitude of the screen of LCDs is restricted, thereby the effect of publicity is affected, and if will occur with the form of giant-screen, and the height that can also get the acquisition phase, so, LCD display screen holder is difficult to as backing again.Therefore, how can make the LCD display screen holder lifting freely, can make LCD display screen holder embody desirable rigidity again and use and resist lateral resistance and become technical matters that industry is paid close attention to for a long time and that expectation solves, technical scheme described below is based on producing under this background.
Summary of the invention
Task of the present invention is to provide a kind of LCD display screen holder that can lifting can ensure again freely to have desirable rigidity and use the lifting mechanism for LCD display screen holder of the exhibition vehicle of guaranteeing bandwagon effect.
Task of the present invention is finished like this, a kind of lifting mechanism for LCD display screen holder of exhibition vehicle, it comprises a pair of lifting gear on the platform floor that is installed in exhibition vehicle with corresponding to each other, each is combined with a hoisting frame slidably on to lifting gear at this, this end bottom to the length direction of the liquid crystal display frame of one of them hoisting frame in the hoisting frame and exhibition vehicle is fixed, and the other end bottom of the length direction of the liquid crystal display frame of another hoisting frame and exhibition vehicle is fixed, in described a pair of lifting gear respectively comprises, outer mast, acting cylinder, chain pulley seat, first, second sprocket wheel and first, second chain, the lower end of described outer mast constitutes an outer mast holder, the platform floor of this outer mast holder and described exhibition vehicle is fixed, correspondence two inboards of the short transverse of outer mast respectively constitute one first raceway, and correspondence two inboards in the upper end of outer mast respectively are provided with one first positioning roller, correspondence two inboards of the short transverse of described inner upright mounting respectively constitute one second raceway, and corresponding two outsides respectively constitute one the 3rd raceway, described first positioning roller matches with the 3rd raceway, correspondence two outsides at inner upright mounting respectively are provided with one second positioning roller, this second positioning roller matches with described first raceway, described acting cylinder is with the plumbness setting, wherein, the lower end of the cylinder body of acting cylinder is fixed on the described outer mast holder, and the upper end of cylinder body is fixed with the chain fixed head that is located on the outer mast, the acting cylinder post of acting cylinder is stretched and is placed on the described chain pulley seat, and the top of this acting cylinder post probes into chain pulley seat, the chain pulley seat cunning fits on the pair of guide rods, the upper end of pair of guide rods and the top of inner upright mounting are fixed, the cylinder seat of lower end and described acting cylinder is fixed, described first sprocket wheel is located on first sprocket shaft, and first sprocket shaft is located at an end of described chain pulley seat, described second sprocket wheel is located on second sprocket shaft, and second sprocket shaft is located at the other end of described chain pulley seat, described first chain is nested with on first sprocket wheel, one end and described chain fixed head are fixed, the other end connects with the hoisting frame that is fixed on described liquid crystal display frame bottom, described second chain is nested with on second sprocket wheel, one end and described chain fixed head are fixed, and the other end connects with the hoisting frame of the bottom that is fixed on described liquid crystal display frame.
In another specific embodiment of the present invention, described a pair of hoisting frame respectively comprises the liquid crystal display stand, one first chain holder, one second chain holder, a pair of first roller and a pair of second roller, liquid crystal display stand and described liquid crystal display frame are fixed, and this liquid crystal display stand is shelved on the described outer mast holder, the first chain holder and the second chain holder are fixed on the liquid crystal display stand each other in parallel, described first chain and the first chain holder connect, and described second chain and the second chain holder connect, a pair of first roller is located at a side of liquid crystal display stand, and a pair of second roller is located at the opposite side of liquid crystal display stand, wherein, first, second raceway of second roller and described inner upright mounting is slidingly fitted.
In another specific embodiment of the present invention, the shape of cross section of a pair of trailing arm of described outer mast takes the shape of the letter U.
Go back in the specific embodiment of the present invention, the shape of cross section of a pair of trailing arm of described inner upright mounting is I-shaped.
In another specific embodiment of the present invention, described acting cylinder is cylinder or cylinder.
More of the present invention and in specific embodiment, described acting cylinder is an oil cylinder.
In of the present invention and then specific embodiment, the top of described liquid crystal display frame is installed with a canopy that is used to keep out wind and rain.
Of the present invention again more and in specific embodiment, constitute a dash edge on the described canopy.
Technical scheme provided by the present invention promotes hoisting frame by lifting gear or descends, thereby takes the lifting of liquid crystal display frame by hoisting frame, therefore can satisfy the lifting requirement freely of liquid crystal display frame; A pair of hoisting frame has good holding effect to the liquid crystal display frame, can guarantee the rigidity of liquid crystal display frame and avoids in the displaying process producing swing and influence is showed.
Description of drawings
Fig. 1 is a specific embodiment structural drawing of the present invention.
Fig. 2 is the cut-open view of the user mode of the present invention on exhibition vehicle.
Fig. 3 is the front elevation of the user mode of the present invention on exhibition vehicle.
Embodiment
For allow Patent Office your auditor especially the public can more be expressly understood technical spirit of the present invention and fully recognize the truth technique effect of the present invention, the applicant will elaborate to the specific embodiment of the present invention in conjunction with the accompanying drawings below.Only; applicant's all explanations in an embodiment all are not the restrictions that constitutes the present invention program; therefore, anyone is as long as made under the present invention program's enlightenment sheerly pro forma and be not to be the scope that substantial equivalence changes and remodeling all should be considered as technical scheme category disclosed in this invention and be considered as the claimed protection.
Please be referring to Fig. 1, provided platform floor 41 in the figure by Fig. 2 and exhibition vehicle 4 illustrated in Figure 3, at the two ends of the length direction of this platform floor 41 and with suitable position, the two ends of the length direction of the liquid crystal display frame 3 of anticipating shown in Fig. 1 a lifting gear 1 is installed respectively, has been that is to say that a pair of lifting gear 1 is installed on the platform floor 41.Because the structure separately and the mounting means of a pair of lifting gear 1 and a pair of hoisting frame 2 are identical, so the applicant only shows separately one in Fig. 1, and following description also launches in view of the above.
The principle of lifting gear 1 is just as the principle of daily being seen forklift.As the outer mast 12 of this lifting gear 1 is that outer mast holder 121 by its underpart is fixed on the platform floor 41 with welding or with securing member or with other similar fixed form, the shape of cross section of a pair of trailing arm that the short transverse of outer mast 12 corresponds to each other is a U-shaped, according in this shape, can adopt a pair of trailing arm of channel-section steel as outer mast 12, this respectively is formed with one first raceway 122 to trailing arm, at this to the top of trailing arm and be positioned at first raceway 122 and respectively be provided with a position and keep the first corresponding positioning roller 123 each other, in addition, be installed with the chain fixed head 124 of an anchor ear form in the portion on the upper side of a pair of trailing arm that constitutes outer mast 12, this chain holder 124 plays the strengthening action to outer mast 12 on the one hand, on the other hand for following also to describe in detail first, second chain 17,18 is fixing.
Inner upright mounting 11 as lifting gear 1 can be gone up, sliding movably down fitting on the aforesaid outer mast 12, shape of cross section as a pair of trailing arm that constitutes this inner upright mounting 11 is I-shaped, based on this shape, can adopt a pair of trailing arm of joist steel as inner upright mounting 11, therefore two inboards that correspond to each other of this inner upright mounting 11 constitute second raceway 113 naturally, and the outside constitutes the 3rd raceway 112, and the bottom in the outside that corresponds to each other of inner upright mounting 11 respectively is provided with one second positioning roller 111, should match with first raceway 122 of aforesaid outer mast 12 separately to second positioning roller 111, and aforesaid first positioning roller 123 matches with the 3rd raceway 112, thereby can guarantee that inner upright mounting 11 doing on the outer mast 12, motion freely down.
Acting cylinder 13 as lifting gear 1 both can be a cylinder, also can be oil cylinder, and present embodiment is selected and used oil cylinder, was connect by self hydraulic system oil circuit of hydraulic oil pipeline and exhibition vehicle 4.Acting cylinder 13 is with the plumbness setting, specifically be that the cylinder seat of the cylinder body lower end of acting cylinder 13 and the position placed in the middle of aforesaid outer mast holder 121 are fixed, fixed form preferably adopts welding fixing, the cylinder seat 132 on the cylinder body top of acting cylinder 13 is fixed with aforesaid chain fixed head 124, the acting cylinder post 131 of acting cylinder 13 extend into chain pulley seat 14, and makes the top 1311 on acting cylinder post 131 tops lean out chain pulley seat 14.Chain pulley seat 14 can upper and lowerly be located on the pair of guide rods 141 movably, and this crossbeam to the top of the upper end of guide rod 141 and inner upright mounting 11 is fixed, and lower end and cylinder seat 132 are fixing.First sprocket wheel 15 is located on first sprocket shaft 151, is illustrated left end and sprocket shaft 151 is located at an end of chain pulley seat 14; Second sprocket wheel 16 is located on second sprocket shaft 161, is the right-hand member of location status shown in Figure 1 and second sprocket shaft 161 is located at the other end of chain pulley seat 14.First chain 17 and second chain, 18 keeping parallelisms, specifically: first chain 17 is placed on first sprocket wheel 15, and an end of first chain 17 is fixed on the first adjustment screw rod 171, and this first adjustment screw rod 171 is adjusted screw rod holder 1711 by first and aforesaid chain fixed head 124 is fixing, the other end and first connecting screw rod 172 of first chain 17 is fixing, and first connecting screw rod 172 connects firmly with hoisting frame 2; Second chain 18 is placed on second sprocket wheel 16, and an end of second chain 18 is fixed on the second adjustment screw rod 181, and this second adjustment screw rod 181 is adjusted screw rod holder 1811 by second and aforesaid chain fixed head 124 is fixing, the other end and second connecting screw rod 182 of second chain 18 is fixing, and second connecting screw rod 182 connects firmly with hoisting frame 2.
As technical scheme of the present invention recommend preferably but not the structure of the hoisting frame 2 that definitely is limited to is as follows: it is L-shaped or claim to be angle square shape to constitute the shape of cross section of liquid crystal display stand 21 of hoisting frame 2, the bottom at the two ends of the length direction of aforesaid liquid crystal display frame 3 (bight) is found a place on the liquid crystal display stand 21 of hoisting frame 2 and with screw 32 and is fixed, and liquid crystal display stand 21 is found a place on outer mast holder 121, on the postnotum 211 of this liquid crystal display stand 21, extended a pair of roller mount 2111, a pair of first roller 24 of concurrency relation up and down that keeping each other is set on one of them roller mount 2111, and a pair of second roller 25 of concurrency relation up and down that maintains equally each other is set on another roller mount 2111, this is to first, second roller 24,25 with inner upright mounting 11 on sliding joining of a pair of second raceway 113.Setting firmly first, second chain holder 22,23 at interval on the liquid crystal display stand 21 and above corresponding to postnotum 211, on the first chain holder 22, be preset with first screw hole 221, aforesaid first connecting screw rod 172 is fixing with the first chain holder 22 in first screw hole 221, offer second screw hole 231 on the second chain holder 23, described second connecting screw rod 182 is fixing with the second chain holder 23 in this second screw hole 231.
Please continue to see Fig. 1, in a side of liquid crystal display frame 3 liquid crystal display 31 is installed, the area size of liquid crystal display 31 has determined the area of liquid crystal display frame 3, and generally, liquid crystal display 31 is 2-10m
2In order to protect the liquid crystal display frame 3 that carries liquid crystal display 31; therefore; preferred scheme is to install top 5 (also can claim ceiling) at the top of liquid crystal display frame 3, and top 5 also constitutes dash along 51 (also can claim to drop down water along), by dash along 51 drop down and rainwater drop down the compartment ceiling 42 that causes exhibition vehicle.Be configured in lifting gear 1 and the hoisting frame 2 that liquid crystal display frame 3 one ends promptly illustrate left end although the applicant only shows in Fig. 1, should know that promptly illustrating right-hand member at liquid crystal display frame 3 other ends has a lifting gear 1 and hoisting frame 2 (can obtain understanding) equally from the signal of Fig. 3.
Please be referring to Fig. 2 and Fig. 3 and still in conjunction with Fig. 1, Fig. 2, exhibition vehicle 4 illustrated in Figure 3 have flank door 43, and the keying of the flank door 43 of the exhibition vehicle 4 of this style etc. can be specifically referring to Chinese invention patent Granted publication CN1298565C (the applicant's application).When arriving at, the exhibition vehicle that is configured in structure of the present invention shows the place and when implementing to show; hydraulic system by vehicle self makes acting cylinder 13 work (a pair of work simultaneously); acting cylinder post 131 stretches outside the cylinder body of acting cylinder 3; it is up to promote chain pulley seat 14; when chain pulley seat 14 is up; by first; second chain 17; 18 with upwards lifting of hoisting frame 2; and then it is up together to drive liquid crystal display frame 3 by hoisting frame 2; when 1311 tops, top of the acting cylinder post 131 of acting cylinder 13 and (touching) inner upright mounting 11; make inner upright mounting 11 up; hoisting frame 2 is taken the 3 continuation risings of liquid crystal display frame simultaneously; until being Fig. 2 and state acting cylinder 3 shown in Figure 3 quits work; under this state; jointly liquid crystal display frame 3 is implemented reliably to seize on both sides by the arms by lifting gear 1 and hoisting frame 2, therefore, liquid crystal display frame 3 can't show swing because of weak; even run into rainy weather, also can implement protection by the top 5 at liquid crystal display frame 3 tops.Therefore technical scheme provided by the present invention has solved and has thirsted in the prior art solving and unsolved technical matters that is: can make 3 liftings of liquid crystal display frame, can guarantee that again it has excellent rigidity.
Claims (8)
1. the lifting mechanism for LCD display screen holder of an exhibition vehicle, it is characterized in that it comprises a pair of lifting gear (1) on the platform floor (41) that is installed in exhibition vehicle (4) with corresponding to each other, at this lifting gear (1) is gone up each and be combined with a hoisting frame (2) slidably, this is fixed one of them hoisting frame (2) in the hoisting frame (2) and an end bottom of the length direction of the liquid crystal display frame (3) of exhibition vehicle, and another hoisting frame (2) is fixed with the other end bottom of the length direction of the liquid crystal display frame (3) of exhibition vehicle (4), in described a pair of lifting gear (1) respectively comprises, outer mast (11,12), acting cylinder (13), chain pulley seat (14), first, second sprocket wheel (15,16) and first, second chain (17,18), the lower end of described outer mast (12) constitutes an outer mast holder (121), this outer mast holder (121) is fixing with the platform floor (41) of described exhibition vehicle (4), correspondence two inboards of the short transverse of outer mast (12) respectively constitute one first raceway (122), and correspondence two inboards in the upper end of outer mast (12) respectively are provided with one first positioning roller (123), correspondence two inboards of the short transverse of described inner upright mounting (11) respectively constitute one second raceway (113), and corresponding two outsides respectively constitute one the 3rd raceway (112), described first positioning roller (123) matches with the 3rd raceway (112), respectively be provided with one second positioning roller (111) in correspondence two outsides of inner upright mounting (11), this second positioning roller (111) matches with described first raceway (122), described acting cylinder (13) is with the plumbness setting, wherein, the lower end of the cylinder body of acting cylinder (13) is fixed on the described outer mast holder (121), and the upper end of cylinder body is fixing with the chain fixed head (124) that is located on the outer mast (12), the acting cylinder post (131) of acting cylinder (13) is stretched and is placed on the described chain pulley seat (14), and the top (1311) of this acting cylinder post (131) probes into chain pulley seat (14), chain pulley seat (14) is sliding to be fitted on the pair of guide rods (141), the top of the upper end of pair of guide rods (141) and inner upright mounting (11) is fixed, the cylinder seat (132) of lower end and described acting cylinder (13) is fixing, described first sprocket wheel (15) is located on first sprocket shaft (151), and first sprocket shaft (151) is located at an end of described chain pulley seat (14), described second sprocket wheel (16) is located on second sprocket shaft (161), and second sprocket shaft (161) is located at the other end of described chain pulley seat (14), described first chain (17) is nested with on first sprocket wheel (15), one end and described chain fixed head (124) are fixing, the other end connects with the hoisting frame (2) that is fixed on described liquid crystal display frame (3) bottom, described second chain (18) is nested with on second sprocket wheel (16), one end and described chain fixed head (124) are fixing, and the other end connects with the hoisting frame (2) of the bottom that is fixed on described liquid crystal display frame (3).
2. the lifting mechanism for LCD display screen holder of exhibition vehicle according to claim 1, it is characterized in that described a pair of hoisting frame (2) respectively comprises liquid crystal display stand (21), one first chain holder (22), one second chain holder (23), a pair of first roller (24) and a pair of second roller (25), liquid crystal display stand (21) is fixing with described liquid crystal display frame (3), and this liquid crystal display stand (21) is shelved on the described outer mast holder (121), the first chain holder (22) and the second chain holder (23) are fixed on the liquid crystal display stand (21) each other in parallel, described first chain (17) connects with the first chain holder (22), and described second chain (18) connects with the second chain holder (23), a pair of first roller (24) is located at a side of liquid crystal display stand (21), and a pair of second roller (25) is located at the opposite side of liquid crystal display stand (21), wherein, first, second roller (24,25) second raceway (113) with described inner upright mounting (11) is slidingly fitted.
3. the lifting mechanism for LCD display screen holder of exhibition vehicle according to claim 1 is characterized in that the shape of cross section of a pair of trailing arm of described outer mast (12) takes the shape of the letter U.
4. the lifting mechanism for LCD display screen holder of exhibition vehicle according to claim 1 is characterized in that the shape of cross section of a pair of trailing arm of described inner upright mounting (11) is I-shaped.
5. the lifting mechanism for LCD display screen holder of exhibition vehicle according to claim 1 is characterized in that described acting cylinder (13) is cylinder or cylinder.
6. the lifting mechanism for LCD display screen holder of exhibition vehicle according to claim 5 is characterized in that described acting cylinder (13) is an oil cylinder.
7. the lifting mechanism for LCD display screen holder of exhibition vehicle according to claim 1 and 2 is characterized in that the top of described liquid crystal display frame (3) is installed with a canopy that is used to keep out wind and rain (5).
8. the lifting mechanism for LCD display screen holder of exhibition vehicle according to claim 7 is characterized in that constituting on the described canopy (5) dash along (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101945417A CN101409034B (en) | 2008-10-30 | 2008-10-30 | Lifting mechanism for LCD display screen holder of exhibition vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101945417A CN101409034B (en) | 2008-10-30 | 2008-10-30 | Lifting mechanism for LCD display screen holder of exhibition vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101409034A CN101409034A (en) | 2009-04-15 |
| CN101409034B true CN101409034B (en) | 2010-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101945417A Active CN101409034B (en) | 2008-10-30 | 2008-10-30 | Lifting mechanism for LCD display screen holder of exhibition vehicle |
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| CN (1) | CN101409034B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514520B (en) * | 2011-12-27 | 2013-04-10 | 常熟华东汽车有限公司 | Lifting guide mechanism for lifting carriage |
| CN102889037B (en) * | 2012-10-31 | 2015-01-14 | 常熟华东汽车有限公司 | Wing open type car door lifting device of showing car |
| DE102016215127A1 (en) * | 2016-08-12 | 2018-02-15 | Seleggt Gmbh | Eggs examination device |
| TWI763473B (en) * | 2021-05-06 | 2022-05-01 | 林冠宇 | Lifting display screen structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201008189Y (en) * | 2007-02-02 | 2008-01-16 | 姜艺 | Electric up-down type big screen panel TV bracket |
| CN201072658Y (en) * | 2007-07-11 | 2008-06-11 | 雷药安 | Display screen elevator |
-
2008
- 2008-10-30 CN CN2008101945417A patent/CN101409034B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201008189Y (en) * | 2007-02-02 | 2008-01-16 | 姜艺 | Electric up-down type big screen panel TV bracket |
| CN201072658Y (en) * | 2007-07-11 | 2008-06-11 | 雷药安 | Display screen elevator |
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| Publication number | Publication date |
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| CN101409034A (en) | 2009-04-15 |
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Address after: Hong Kong Li Tong Industrial Park in Jiangsu province Changshou City Taiguang road 215511 No. 8 Mei Patentee after: Changshu Huadong Car Co., Ltd. Address before: 215500 Jiangsu province Changshou City Yushan Road No. 258 Patentee before: Changshu Huadong Car Co., Ltd. |
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Address after: 215511 Jiangsu province Changshou City Taiguang Road, Hong Kong Industrial Park No. 8 Patentee after: Changshu Huadong Car Co., Ltd. Address before: Hong Kong Li Tong Industrial Park in Jiangsu province Changshou City Taiguang road 215511 No. 8 Mei Patentee before: Changshu Huadong Car Co., Ltd. |