CN109291843A

CN109291843A - A kind of propaganda car with expansion visual angle and screen saver function

Info

Publication number: CN109291843A
Application number: CN201811226789.7A
Authority: CN
Inventors: 刘海峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-22
Filing date: 2018-10-22
Publication date: 2019-02-01

Abstract

The present invention relates to loudspeaker van fields, specifically, it is related to a kind of with the propaganda car for expanding visual angle and screen saver function, including headstock, vehicle body, roof, wheel, LED ad display screen, lifting device, numerical control device and screen protective device, LED ad display screen is arranged in Vehicular side body, there are two the settings of LED ad display screen, lifting device is arranged on vehicle body and is connected with LED ad display screen, numerical control device is arranged in vehicle body, screen protective device is arranged in Vehicular side body, screen protective device is located on the outside of LED ad display screen, lifting device can drive LED ad display screen to move up and down, furthermore, it is provided on vehicle body and laterally rolls screen, loudspeaker and tailstock door, tailstock display screen is provided on the tailstock door, exhibition booth is provided in vehicle body, solar panel is provided on roof , the present invention is easy to use, is not limited, deeply can be widely publicized in many places by geographical location, has mobility strong, the wide advantage of audient.

Description

A kind of propaganda car with expansion visual angle and screen saver function

Technical field

The present invention relates to loudspeaker van fields, and in particular, to a kind of with expanding visual angle and screen saver function Propaganda car.

Background technique

Media (English name: Advertising vehicle) refers to the vehicle dedicated for advertisement, as bus, Bicycle etc. may be used to carry out affected advertisement.Mainly with rolling lampbox vehicle, LED media is leading.Loudspeaker van is general By trailer system, big screen system, power supply system, operating system four is most of forms, be widely used in enterprises and institutions publicity, Product promotion, brand promotion, outpost display, competitive sports, concert, concert and select-elite activity etc..It can also be in bustling business The regions such as area, square, residential area, square park carry out outpost display with spectators or consumer, exchange, interaction, range of publicity Extensively, the maximum advertisement dissemination of customer acquisition can be made.Moving advertising vehicle compare traditional billboard have it is many The advantages of, it is not limited by geographic, can be needed according to customer demand in clients such as street, lane, community, commerce and trade areas Deeply extensive publicity in any target market area.It can also can be shuttled with whole day in fixing line according to the demand of client Road, or voluntarily selection publicity route, get rid of the constraint of geographical environment, have mobility strong, the wide feature of audient.

LED screen is become after appearance with its brightness height, small power consumption, service life length, impact resistance, steady performance as open air Essential one of the equipment of vehicular equipment leasing industry, outdoor LED screen was got over it because of the major activity planning company of its advantage over the past two years More to favor.Under such situation, outdoor LED media comes into being, LED moving advertising vehicle its, environmental protection flexible with it, novelty The characteristics of have become the new representative of LED screen leasing industry development, its convenient, fast, flexible, beautiful advantage rapidly becomes performance The new selection of the progress event promotion publicity such as planning company, advertising company, government bodies, institution.

But traditional loudspeaker van is also insufficient, for example when a fixed location is shown, works as sight When everybody's number is excessive, probably due to viewing angle problem, pittite cannot watch screen well, in addition, LED screen exposes for a long time It is also easy to be damaged outside, facility is effectively protected in shortage, and the service life of equipment can be declined, and these problems all need It improves and solves.

Summary of the invention

In view of the deficiencies of the prior art, the present invention provides a kind of with the propaganda car for expanding visual angle and screen saver function.

It is disclosed by the invention a kind of with the propaganda car for expanding visual angle and screen saver function, including headstock, vehicle body, roof And wheel, it further include LED ad display screen, lifting device, numerical control device and screen protective device, the LED ad display screen Setting is in Vehicular side body, and there are two the LED ad display screen settings, and the lifting device setting is on vehicle body and wide with LED It accuses display screen to be connected, the numerical control device is arranged in vehicle body, and the screen protective device is arranged in Vehicular side body, screen protection Device is located on the outside of LED ad display screen.

Further, the lifting device includes the first fixed column, lifting motor, fixed gear, moving gear and elevating chain, First fixed column is respectively fixedly installed one in the two sides of LED ad display screen, is provided with liter in first fixed column Sliding slot drops, and the lifting motor is arranged in the first fixed column, and the fixed gear is fixed on the output end of lifting motor, described LED ad display screen is extended close to the side of the first fixed column sliding axle, and the moving gear is fixed at sliding axle On, one end of the sliding axle, which is extended, connecting block, and the connecting block is located in lifting sliding slot, connecting block and lifting sliding slot It is slidably connected, the moving gear is located at below lifting motor and fixed gear, and the fixed gear and moving gear pass through elevating chain phase Connection, the elevating chain are engaged with fixed gear and moving gear.

Further, the fixed gear includes the first outer gear ring and the first ring gear, in first outer gear ring and first The coaxial setting of gear ring, the outer ring of the first outer gear ring are meshed with elevating chain, the inner ring of the first outer gear ring and the first ring gear Outer ring is meshed, and first ring gear is fixed on the output end of lifting motor, the moving gear include the second outer gear ring and Second ring gear, second outer gear ring and the coaxial setting of the second ring gear, the outer ring of the second outer gear ring are mutually nibbled with elevating chain It closes, the inner ring of the second outer gear ring is meshed with the outer ring of the second ring gear, and second ring gear is fixed on sliding axle, described Non-return component is provided between first outer gear ring and the first ring gear, between the second outer gear ring and the second ring gear.

Further, the non-return component includes pawl and non-return spring, outside the pawl and the first outer gear ring and second Gear ring is fixedly connected, in the outer ring of the inner ring of first outer gear ring and the first ring gear, the inner ring and second of the second outer gear ring The outer ring of gear ring is unidirectional toothing, and the pawl is arc structure and is rotatably assorted with the formation of unidirectional toothing, described to stop Inverse spring is arranged in pawl.

Further, the screen protective device includes the second fixed column, side dress motor and rolling door, second fixed column It is arranged in parallel with the first fixed column, the second fixed column is provided with two, and the side dress motor is arranged in the second fixed column, described Rolling door is arranged on the output end of side dress motor, and rolling door is located between two second fixed columns.

Further, it is provided on the vehicle body and laterally rolls screen and loudspeaker, laterally roll screen and loudspeaker position Above headstock, described laterally to roll screen and loudspeaker and numerical control device electric connection, the screen that laterally rolls is towards headstock Direction.

Further, tailstock door is provided on the vehicle body, the tailstock door is located at tailstock position and is hinged with vehicle body, It is provided with tailstock display screen on the tailstock door, a grade item is provided on tailstock door, the shelves item is located above tailstock display screen, vehicle Tail display screen and numerical control device are electrically connected, and the Vehicular side body is additionally provided with foot pedal.

Further, it is provided with exhibition booth in the vehicle body, is provided with movable pulley below the exhibition booth, is arranged on the vehicle body There is sliding groove, the sliding groove is located at below exhibition booth, and sliding groove is vertically arranged with LED ad display screen, and the movable pulley is located at In sliding groove, movable pulley is slidably connected with sliding groove.

Further, the exhibition booth side is provided with folding rack, and the folding rack has two, folding rack and exhibition booth It is hinged, the folding rack is Telescopic rod structure.

Further, solar battery mounting groove, setting in the solar battery mounting groove are provided on the roof There is solar panel, the solar panel is hinged with solar battery mounting groove.

The utility model has the advantages that of the invention is a kind of with the propaganda car for expanding visual angle and screen saver function, there are two LED for setting Ad display screen, one laterally rolling screen and tailstock display screen, with multi-angle broadcasting advertisement are publicized, increase radiating surface, make It is more preferable to obtain the effect of publicity；It is provided with lifting device, the height of LED ad display screen can be adjusted, so that screen viewing angle is wider It is wealthy；The setting of screen protective device can be effectively protected facility, prolong its service life；It is built-in with exhibition booth, facilitates and is produced Product are shown；The solar panel of roof setting, which can have, to be collected solar energy and is converted into electric energy, there is energy conservation；The present invention It is easy to use, it is practical, there is extremely strong visual impact, do not limited by geographical location, can be carried out in many places deeply wide General publicity has mobility strong, the wide advantage of audient so that user obtains maximum advertisement dissemination.

Detailed description of the invention

The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:

Fig. 1 is schematic perspective view of the invention；

Fig. 2 is main view of the invention；

Fig. 3 is fractionation structural representation of the invention；

Fig. 4 is body structure schematic diagram of the invention；

Fig. 5 is the cross-sectional view in Fig. 4 along line A-A；

Fig. 6 is the structural schematic diagram one of lifting device of the present invention；

Fig. 7 is the structural schematic diagram two of lifting device of the present invention；

Fig. 8 is the cross-sectional view in Fig. 7 along line B-B；

Fig. 9 is the fractionation structural representation of lifting device of the present invention；

Figure 10 is the structural schematic diagram of the non-return component of the present invention；

Figure 11 is the structural schematic diagram of screen protective device of the present invention；

Description of symbols: headstock 1, vehicle body 2 laterally roll and shield 2a, loudspeaker 2b, tailstock door 2c, tailstock display screen 2c1, Shelves 2c2, foot pedal 2d, sliding groove 2e, exhibition booth 2f, movable pulley 2f1, folding rack 2f2, roof 3, solar battery mounting groove 3a, solar panel 3b, wheel 4, LED ad display screen 5, sliding axle 5a, connecting block 5b, lifting device 6, the first fixed column 6a, goes up and down the outer gear ring of sliding slot 6a1, lifting motor 6b, fixed gear 6c, first 6c1, the first ring gear 6c2, moving gear 6d, and second Outer gear ring 6d1, the second ring gear 6d2, elevating chain 6e, non-return component 6f, pawl 6f1, non-return spring 6f2, numerical control device 7, Screen protective device 8, the second fixed column 8a, side fill motor 8b, rolling door 8c.

Specific embodiment

Multiple embodiments of the invention will be disclosed with schema below, as clearly stated, the details in many practices It will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied to limit the present invention.Also It is to say, in some embodiments of the invention, the details in these practices is non-essential.In addition, for the sake of simplifying schema, Some known usual structures and component will be painted it in the drawings in simply illustrative mode.

In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, not especially censure The meaning of order or cis-position, also non-to limit the present invention, the component described just for the sake of difference with same technique term Or operation, it is not understood to indicate or imply its relative importance or implicitly indicates the number of indicated technical characteristic Amount." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one of the features.In addition, each Technical solution between a embodiment can be combined with each other, but must can be implemented as base with those of ordinary skill in the art Plinth will be understood that the combination of this technical solution is not present when conflicting or cannot achieve when occurs in the combination of technical solution, Also not the present invention claims protection scope within.

Referring to figs. 1 to shown in Figure 11 it is a kind of with expand visual angle and screen saver function propaganda car, including headstock 1, Vehicle body 2, roof 3 and wheel 4 further include LED ad display screen 5, lifting device 6, numerical control device 7 and screen protective device 8, institute The setting of LED ad display screen 5 is stated in 2 side of vehicle body, there are two the settings of LED ad display screen 5, and the lifting device 6 is set It sets on vehicle body 2 and is connected with LED ad display screen 5, the numerical control device 7 is arranged in vehicle body 2, the screen protective device 8 are arranged in 2 side of vehicle body, and screen protective device 8 is located at 5 outside of LED ad display screen.One kind of the invention, which has, expands visual angle With the propaganda car of screen saver function, it can be widely applied to the outpost display of advertising, brand promotion, race performance etc., lead to It crosses advertisement that numerical control device 7 will be shown or items on the program is broadcasted on LED ad display screen 5, the LED ad display screen 5 are provided with one piece in the two sides of vehicle body 2, ensure that can multi-panel publicized, increase the radiation scope of advertisement, the liter The lifting of the adjustable LED ad display screen 5 of falling unit 6 is increased so that visual angle is expanded, and acquisition is bigger broader Range, moreover it is possible to pull out the exhibition booth 2f in vehicle body 2.Screen protective device 8 can play guarantor to the screen of LED ad display screen 5 Shield effect avoids it by certain damage, extends service life of equipment.

The lifting device 6 includes the first fixed column 6a, lifting motor 6b, fixed gear 6c, moving gear 6d and elevating chain 6e, the first fixed column 6a are respectively fixedly installed one in the two sides of LED ad display screen 5, on the first fixed column 6a It is provided with lifting sliding slot 6a1, the lifting motor 6b is arranged on the first fixed column 6a, and the fixed gear 6c is fixed on lifting electricity On the output end of machine 6b, the LED ad display screen 5 is extended close to the side of the first fixed column 6a sliding axle 5a, institute It states moving gear 6d to be fixed on sliding axle 5a, one end of the sliding axle 5a, which is extended, connecting block 5b, the linking Block 5b is located in lifting sliding slot 6a1, and connecting block 5b is slidably connected with lifting sliding slot 6a1, and the moving gear 6d is located at lifting motor Below 6b and fixed gear 6c, the fixed gear 6c is connected with moving gear 6d by elevating chain 6e, the elevating chain 6e and Fixed gear 6c and moving gear 6d are engaged.When needing to put the advertisement of broadcasting or program to spectators' viewing in a more distant place, can lead to It crosses lifting device 6 to rise LED ad display screen 5, starts lifting motor 6b, first fixed column on 5 both sides of LED ad display screen Lifting motor 6b in 6a is operated together, and lifting motor 6b drives the fixed gear 6c on its output end to rotate, and fixed gear 6c is in turn The elevating chain 6e rotation for engaging connection is driven, elevating chain 6e can be rotated again with the moving gear 6d of lower section, moving gear LED ad display screen 5 can be lifted and slowly be risen by 6d, while sliding axle 5a and the connecting block 5b of its front end are in lifting sliding slot It is slided in 6a1.

The fixed gear 6c includes the first outer gear ring 6c1 and the first ring gear 6c2, the first outer gear ring 6c1 and first The outer ring of the coaxial setting of ring gear 6c2, the first outer gear ring 6c1 is meshed with elevating chain 6e, the inner ring of the first outer gear ring 6c1 with The outer ring of first ring gear 6c2 is meshed, and the first ring gear 6c2 is fixed on the output end of lifting motor 6b, described dynamic Gear 6d includes the second outer gear ring 6d1 and the second ring gear 6d2, the second outer gear ring 6d1 and the second ring gear 6d2 is coaxial sets It sets, the outer ring of the second outer gear ring 6d1 is meshed with elevating chain 6e, the inner ring of the second outer gear ring 6d1 and the second ring gear 6d2's Outer ring is meshed, and the second ring gear 6d2 is fixed on sliding axle 5a, the first outer gear ring 6c1 and the first ring gear 6c2 Between, between the second outer gear ring 6d1 and the second ring gear 6d2 be provided with non-return component 6f.Lifting motor 6b driving the One ring gear 6c2 rotation, the first ring gear 6c2 drive the first outer gear ring 6c1 rotation engaged, the first outer gear ring 6c1 band Dynamic elevating chain 6e rotation, elevating chain 6e drive the second outer gear ring 6d1 rotation, and the second outer gear ring 6d1 drives the second ring gear 6d2 rotation.

The non-return component 6f includes pawl 6f1 and non-return spring 6f2, the pawl 6f1 and the first outer gear ring 6c1 and Two outer gear ring 6d1 are fixedly connected, the inner ring of the first outer gear ring 6c1 and outer ring, the second outer gear ring of the first ring gear 6c2 The outer ring of the inner ring of 6d1 and the second ring gear 6d2 are unidirectional toothing, the pawl 6f1 be arc structure and with unidirectional tooth Structure formation is rotatably assorted, and the non-return spring 6f2 is arranged in pawl 6f1.The non-return component 6f ensure that fixed gear 6c It can only be one-directionally rotated with moving gear 6d, when normal rotation, pawl 6f1 cooperates the first ring gear 6c2 and the second ring gear 6d2 Rotation, once inverting, pawl 6f1 will be stuck with unidirectional toothing, limit its rotation direction, non-return spring 6f2 Play the role of reset to pawl 6f1.

The screen protective device 8 includes the second fixed column 8a, side dress motor 8b and rolling door 8c, the second fixed column 8a It is arranged in parallel with the first fixed column 6a, the second fixed column 8a is provided with two, and the side dress motor 8b is arranged in the second fixed column On 8a, the rolling door 8c is arranged on the output end of side dress motor 8b, and rolling door 8c is located between two second fixed column 8a.It is described Second fixed column 8a is located at 2 outside of vehicle body relative to the first fixed column 6a, motor 8b can be filled by manipulation side, and then drive The rolling door 8c in face carries out expansion and backrush, rolling door 8c play a protective role in 5 external enwergy of LED ad display screen, avoids it by miscellaneous The collision etc. of object.

It is provided on the vehicle body 2 and laterally rolls screen 2a and loudspeaker 2b, laterally roll screen 2a and loudspeaker 2b Above headstock 1, the screen 2a and loudspeaker 2b that laterally rolls is electrically connected with numerical control device 7, described laterally to roll screen 2a Towards 1 direction of headstock.The screen 2a that laterally rolls can increase the universal range of advertisement towards 1 front loop play advertisement of headstock, Loudspeaker 2b can play corresponding publicity word, to attract crowd to pay attention to.

Tailstock door 2c is provided on the vehicle body 2, the tailstock door 2c is located at tailstock position and is hinged with vehicle body 2, institute It states and is provided with tailstock display screen 2c1 on tailstock door 2c, shelves 2c2 is provided on tailstock door 2c, the shelves 2c2 is aobvious positioned at the tailstock Above display screen 2c1, tailstock display screen 2c1 and numerical control device 7 are electrically connected, and 2 side of vehicle body is additionally provided with foot pedal 2d.Institute State that tailstock door 2c is openable relative to vehicle body 2, tailstock display screen 2c1 can play corresponding advertisement under the control of numerical control device 7 Deng, further increasing the area of publicity, expands the influence power of advertisement, shelves 2c2 can block the sundries fallen or rainwater etc., It plays a protective role to tailstock display screen 2c1, the setting of foot pedal 2d facilitates staff's vehicle body 2 up and down.

It is provided with exhibition booth 2f in the vehicle body 2, is provided with movable pulley 2f1 below the exhibition booth 2f, is arranged on the vehicle body 2 There are sliding groove 2e, the sliding groove 2e to be located at below the 2f of exhibition booth, sliding groove 2e and LED ad display screen 5 is vertically arranged, the cunning Driving wheel 2f1 is located in sliding groove 2e, and movable pulley 2f1 is slidably connected with sliding groove 2e.The exhibition booth 2f is placed on inside vehicle body 2, When need to use, it first passes through lifting device 6 to rise LED ad display screen 5, the cunning below dragging exhibition booth 2f, exhibition booth 2f Driving wheel 2f1 is slided in sliding groove 2e, and then exhibition booth 2f is drawn out；After use, it can be pushed back in vehicle body 2 with exhibition booth 2f.

The side the exhibition booth 2f is provided with folding rack 2f2, and the folding rack 2f2 has two, folding rack 2f2 and exhibition Platform 2f is hinged, and the folding rack 2f2 is Telescopic rod structure.The folding rack 2f2 plays a supporting role to exhibition booth 2f, After exhibition booth 2f is drawn out, folding rack 2f2 is turned down downwards, props up exhibition booth 2f, Telescopic rod structure is using convenient for adjusting height After complete, folding rack 2f2 is turned down into go back to original position, folding rack 2f2 and the exhibition booth junction 2f are provided with elasticity bolt, play tune Save fixed effect.

It is provided with solar battery mounting groove 3a on the roof 3, is provided with too in the solar battery mounting groove 3a Positive energy solar panel 3b, the solar panel 3b are hinged with solar battery mounting groove 3a.The solar panel 3b Solar energy can be acquired and be converted into electric energy, stored, solar panel 3b can be opened outward, increase the face being illuminated by the light Product, the consumption that the electric energy of storage can be used to propaganda car use.

Working principle: of the invention is a kind of with the propaganda car for expanding visual angle and screen saver function, can be widely applied to The outpost display of advertising, brand promotion, race performance etc., the advertisement that will be shown by numerical control device 7 or performance section Mesh broadcasts on LED ad display screen 5, and the LED ad display screen 5 is provided with one piece in the two sides of vehicle body 2, ensure that energy More than enough face is publicized, and the radiation scope of advertisement, the liter of the adjustable LED ad display screen 5 of the lifting device 6 are increased Drop is increased so that visual angle is expanded, and bigger broader range is obtained, moreover it is possible to by the exhibition booth 2f pull-out in vehicle body 2.Screen Curtain protective device 8, can play a protective role to the screen of LED ad display screen 5, avoid it by certain damage, extend Service life of equipment.

It, can be wide by LED by lifting device 6 when needing to put the advertisement of broadcasting or program to spectators' viewing in a more distant place It accuses display screen 5 to rise, starts lifting motor 6b, the lifting motor 6b mono- in the first fixed column 6a on 5 both sides of LED ad display screen Running is played, lifting motor 6b drives the fixed gear 6c on its output end to rotate, and fixed gear 6c drives engage connection in turn Elevating chain 6e rotation, elevating chain 6e can be rotated again with the moving gear 6d of lower section, and moving gear 6d can be by LED ad display screen 5 lift and slowly rise, while sliding axle 5a and the connecting block 5b of its front end are slided in lifting sliding slot 6a1.

The lifting motor 6b drives the first ring gear 6c2 rotation, and the first ring gear 6c2 drives outside first engaged Gear ring 6c1 rotation, the first outer gear ring 6c1 drive elevating chain 6e rotation, and elevating chain 6e drives the second outer gear ring 6d1 rotation, Second outer gear ring 6d1 drives the second ring gear 6d2 rotation.

The non-return component 6f ensure that fixed gear 6c and moving gear 6d can only be one-directionally rotated, when normal rotation, spine Pawl 6f1 cooperates the rotation of the first ring gear 6c2 and the second ring gear 6d2, once inverting, pawl 6f1 will be with unidirectional tooth Structure is stuck, limits the direction of its rotation, and non-return spring 6f2 plays the role of reset to pawl 6f1.

The second fixed column 8a is located at 2 outside of vehicle body relative to the first fixed column 6a, can fill motor by manipulation side 8b, and then the rolling door 8c of drive above carries out expansion and backrush, rolling door 8c play a protective role in 5 external enwergy of LED ad display screen, Avoid it by collision of sundries etc..

The screen 2a that laterally rolls can increase the universal range of advertisement towards 1 front loop play advertisement of headstock, broadcast loudspeaker 2b can play corresponding publicity word, to attract crowd to pay attention to.

The tailstock door 2c is openable relative to vehicle body 2, and tailstock display screen 2c1 can be played under the control of numerical control device 7 Corresponding advertisement etc., further increases the area of publicity, expands the influence power of advertisement, shelves 2c2 can block fall it is miscellaneous Object or rainwater etc. play a protective role to tailstock display screen 2c1, and the setting of foot pedal 2d facilitates staff's vehicle body 2 up and down.

The exhibition booth 2f is placed on inside vehicle body 2, when need to use, first passes through lifting device 6 for LED ad display screen 5 rise, and the movable pulley 2f1 below dragging exhibition booth 2f, exhibition booth 2f is slided in sliding groove 2e, and then exhibition booth 2f is drawn out；? After use, it can be pushed back in vehicle body 2 with exhibition booth 2f.

The folding rack 2f2 plays a supporting role to exhibition booth 2f, and after in exhibition booth, 2f is drawn out, folding rack 2f2 is turned over It folding down, props up exhibition booth 2f, Telescopic rod structure is convenient for adjusting height, after using, folding rack 2f2 is turned down into go back to original position, Folding rack 2f2 and the exhibition booth junction 2f are provided with elasticity bolt, play and adjust fixed effect.

The solar panel 3b can acquire solar energy and be converted into electric energy, be stored, solar panel 3b It can open outward, increase the area being illuminated by the light, the consumption that the electric energy of storage can be used to propaganda car uses.

The upper only embodiments of the present invention, are not intended to restrict the invention.For those skilled in the art For, the invention may be variously modified and varied.All any modifications made in spirit and principles of the present invention are equal Replacement, improvement etc., should all be included within scope of the presently claimed invention.

Claims

1. a kind of with the propaganda car for expanding visual angle and screen saver function, including headstock (1), vehicle body (2), roof (3) and vehicle It takes turns (4), it is characterised in that: further include LED ad display screen (5), lifting device (6), numerical control device (7) and screen protective device (8), in vehicle body (2) side, there are two LED ad display screen (5) settings, described for LED ad display screen (5) setting Lifting device (6) is arranged on vehicle body (2) and is connected with LED ad display screen (5), and the numerical control device (7) is arranged in vehicle body (2) in, the screen protective device (8) is arranged in vehicle body (2) side, and screen protective device (8) is located at LED ad display screen (5) outside.

2. according to claim 1 a kind of with the propaganda car for expanding visual angle and screen saver function, it is characterised in that: institute Stating lifting device (6) includes the first fixed column (6a), lifting motor (6b), fixed gear (6c), moving gear (6d) and elevating chain (6e), first fixed column (6a) are respectively fixedly installed one in the two sides of LED ad display screen (5), and described first is fixed Lifting sliding slot (6a1) is provided on column (6a), the lifting motor (6b) is arranged on the first fixed column (6a), the fixed gear (6c) is fixed on the output end of lifting motor (6b), and the LED ad display screen (5) is close to the side of the first fixed column (6a) Being extended has sliding axle (5a), and the moving gear (6d) is fixed on sliding axle (5a), and the one of the sliding axle (5a) End, which is extended, to be had connecting block (5b), and the connecting block (5b) is located in lifting sliding slot (6a1), connecting block (5b) and lifting sliding slot (6a1) is slidably connected, and the moving gear (6d) is located at below lifting motor (6b) and fixed gear (6c), the fixed gear (6c) and Moving gear (6d) is connected by elevating chain (6e), and the elevating chain (6e) is nibbled with fixed gear (6c) and moving gear (6d) It closes.

3. according to claim 2 a kind of with the propaganda car for expanding visual angle and screen saver function, it is characterised in that: institute Stating fixed gear (6c) includes the first outer gear ring (6c1) and the first ring gear (6c2), in first outer gear ring (6c1) and first The outer ring of gear ring (6c2) coaxial setting, the first outer gear ring (6c1) is meshed with elevating chain (6e), the first outer gear ring (6c1) Inner ring is meshed with the outer ring of the first ring gear (6c2), and first ring gear (6c2) is fixed on the output of lifting motor (6b) On end, the moving gear (6d) include the second outer gear ring (6d1) and the second ring gear (6d2), second outer gear ring (6d1) and The outer ring of the second ring gear (6d2) coaxial setting, the second outer gear ring (6d1) is meshed with elevating chain (6e), the second outer gear ring The inner ring of (6d1) is meshed with the outer ring of the second ring gear (6d2), and second ring gear (6d2) is fixed on sliding axle (5a) On, between first outer gear ring (6c1) and the first ring gear (6c2), the second outer gear ring (6d1) and the second ring gear (6d2) Between be provided with non-return component (6f).

4. according to claim 3 a kind of with the propaganda car for expanding visual angle and screen saver function, it is characterised in that: institute Stating non-return component (6f) includes pawl (6f1) and non-return spring (6f2), the pawl (6f1) and the first outer gear ring (6c1) and the Two outer gear rings (6d1) are fixedly connected, the outer ring of the inner ring of first outer gear ring (6c1) and the first ring gear (6c2), outside second The inner ring of gear ring (6d1) and the outer ring of the second ring gear (6d2) are unidirectional toothing, and the pawl (6f1) is arc structure And be rotatably assorted with the formation of unidirectional toothing, non-return spring (6f2) setting is in pawl (6f1).

5. according to claim 4 a kind of with the propaganda car for expanding visual angle and screen saver function, it is characterised in that: institute Stating screen protective device (8) includes the second fixed column (8a), side dress motor (8b) and rolling door (8c), second fixed column (8a) It is arranged in parallel with the first fixed column (6a), the second fixed column (8a) is provided with two, and side dress motor (8b) is arranged second In fixed column (8a), on the output end of side dress motor (8b), rolling door (8c) is located at two second and consolidates for rolling door (8c) setting Between fixed column (8a).

6. according to claim 5 a kind of with the propaganda car for expanding visual angle and screen saver function, it is characterised in that: institute It states to be provided on vehicle body (2) and laterally rolls screen (2a) and loudspeaker (2b), laterally roll screen position (2a) and loudspeaker (2b) Above headstock (1), laterally rolling screen (2a) and the loudspeaker (2b) and numerical control device (7) are electrically connected, the transverse direction Screen (2a) is rolled towards headstock (1) direction.

7. according to claim 6 a kind of with the propaganda car for expanding visual angle and screen saver function, it is characterised in that: institute It states and is provided on vehicle body (2) tailstock door (2c), the tailstock door (2c) is located at tailstock position and is hinged with vehicle body (2), described It is provided with tailstock display screen (2c1), is provided on tailstock door (2c) a grade item (2c2) on tailstock door (2c), shelves item (2c2) position Above tailstock display screen (2c1), tailstock display screen (2c1) and numerical control device (7) are electrically connected, and vehicle body (2) side is also It is provided with foot pedal (2d).

8. according to claim 7 a kind of with the propaganda car for expanding visual angle and screen saver function, it is characterised in that: institute It states and is provided with exhibition booth (2f) in vehicle body (2), be provided with movable pulley (2f1) below the exhibition booth (2f), be arranged on the vehicle body (2) Have sliding groove (2e), the sliding groove (2e) is located at below exhibition booth (2f), and sliding groove (2e) is vertical with LED ad display screen (5) Setting, the movable pulley (2f1) are located in sliding groove (2e), and movable pulley (2f1) is slidably connected with sliding groove (2e).

9. according to claim 8 a kind of with the propaganda car for expanding visual angle and screen saver function, it is characterised in that: institute It states the side exhibition booth (2f) to be provided with folding rack (2f2), the folding rack (2f2) has two, folding rack (2f2) and exhibition booth (2f) is hinged, and the folding rack (2f2) is Telescopic rod structure.

10. according to claim 9 a kind of with the propaganda car for expanding visual angle and screen saver function, it is characterised in that: It is provided with solar battery mounting groove (3a) on the roof (3), is provided with the sun in the solar battery mounting groove (3a) Energy solar panel (3b), the solar panel (3b) are hinged with solar battery mounting groove (3a).