CN110264918A - A kind of multimedium showing device for public place - Google Patents
A kind of multimedium showing device for public place Download PDFInfo
- Publication number
- CN110264918A CN110264918A CN201910580384.1A CN201910580384A CN110264918A CN 110264918 A CN110264918 A CN 110264918A CN 201910580384 A CN201910580384 A CN 201910580384A CN 110264918 A CN110264918 A CN 110264918A
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- CN
- China
- Prior art keywords
- wheel
- stage
- cavity
- big
- public place
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F19/00—Advertising or display means not otherwise provided for
- G09F19/12—Advertising or display means not otherwise provided for using special optical effects
- G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
Abstract
A kind of multimedium showing device for public place disclosed by the invention, including stage, bilateral symmetry and what Open Side Down be equipped with groove in the stage, it can be rotated in the groove and be slidably equipped with wheel, when the wheel lower end and ground offset, push the stage, pass through the rolling of the wheel on the ground, and then the stage can be driven mobile, the present invention can automatically be unfolded or store projection cloth, it does not need to be built, by pushing wheel stage can be made to fast move, it is convenient and efficient, the order of public place is not influenced, wheel can be locked when moving to brake, avoid the occurrence of accident collision, wheel can also be stored when showing, stage is avoided smooth situation occur.
Description
Technical field
The present invention relates to MultiMedia Field, specially a kind of multimedium showing device for public place.
Background technique
Many enterprises in public places in when doing propaganda, often set up a platform to carry out propaganda activity, can also build more
Media device shows the product of enterprise, but existing stage and multimedia equipment are built and need a large amount of time and manpower,
The flow of the people of public place is big, also affects the order of public place, and when stage is built also has security risk, is used for
The part built, which is easy to fall, injures pedestrian by a crashing object, and a kind of multimedium showing device for public place that the present invention illustrates can
It solves the above problems, the present invention can automatically be unfolded or store projection cloth, not need to be built, by pushing wheel that can make
Stage fast moves, convenient and efficient, does not influence the order of public place, can lock wheel when moving and brake, avoid
There is accident collision, wheel can also be stored when showing, stage is avoided smooth situation occur.
Summary of the invention
Technical problem:
Existing propaganda activity need it is artificial set up a platform and multimedia equipment, waste time, influence public order.
To solve the above problems, this example devises a kind of multimedium showing device for public place, one kind of this example
For the multimedium showing device of public place, including stage, bilateral symmetry and what Open Side Down be equipped with groove in the stage,
It can be rotated in the groove and be slidably equipped with wheel and push the stage when the wheel lower end offsets with ground, lead to
The rolling of the wheel on the ground is crossed, and then the stage can be driven mobile, driving dress is equipped in the groove upper inside walls
It sets, the wheel of two sides is connected to the driving device, and the wheel can be accommodated in the groove by the driving device,
The stage lower end offsets with ground at this time, at this time the stage no longer move and can avoid the stage occur it is smooth, it is described
Driving device left and right ends are connected with pneumatic constriction device, and the driving device can drive the pneumatic constriction device to be stretched
Contracting, the driving device upside, which is equipped with, shows device, and the displaying device left and right ends are rotationally connected with the pneumatic contraction dress
It sets, the pneumatic constriction device can drive the displaying device to be unfolded when extending, the pneumatic constriction device can be by institute when shrinking
It states and shows that device stores.Valuably, the driving device includes the gear cavity in the stage, in the gear cavity
It is rotatably equipped with driving gear, motor shaft is fixed in the driving gear, is installed with electricity in the gear cavity upper inside walls
Motivation, the motor shaft upper end are connected by power in the motor, and the driving gear left and right ends are symmetrical and what is be meshed sets
There is driven gear, the driven gear is fixed with transmission shaft far from symmetrical centre one end, and the transmission shaft is far from symmetrical centre one
End is connected to the pneumatic constriction device, is equipped with slide guide chamber on the downside of the gear cavity in inner wall, and the slide guide is intracavitary slidable
Equipped with U-shaped piece, in described U-shaped piece up and down be equipped with through-hole, the motor shaft lower end pass through the through-hole and with it is described U-shaped
Block is threadedly coupled, and the U-shaped piece of lower end, which each extends over, to be passed through in the groove of two sides, symmetrical in described U-shaped piece to set
There is the wheel cavity that left and right penetrates through and Open Side Down, is rotatably connected to axletree, the institute of two sides between inner wall before and after the wheel cavity
It states wheel to be fixed on the axletree circumferential surface of two sides, starts the motor, the active is driven by the motor shaft
Gear rotation, and then the driven gear rotation is driven, and then the pneumatic constriction device is driven by the transmission shaft, simultaneously
The motor shaft drives the U-shaped piece of sliding, and then drives the wheel skid by the axletree.
Preferable, clutch chamber is symmetrically equipped in the inner wall of the wheel cavity front and rear sides, the clutch chamber is far from symmetrical
The restricted room that opening deviates from the clutch chamber is equipped in the inner wall of center side, between the clutch chamber and the restricted room slidably
And it is rotatably equipped with sliding axle, connecting hole of the opening towards the axletree is equipped in the sliding axle, before the axletree
Afterwards both ends can extend respectively into the connecting hole and with the sliding axis connection, the sliding axle is far from described axletree one end
It is fixed with sliding panel, when the sliding panel slides into the restricted room, the axletree and the sliding axis connection, institute at this time
It states sliding panel not to be able to rotate, and then the sliding axle is not able to rotate, and then the axletree is not able to rotate, and then the wheel is not
It is able to rotate, the wheel lock is braked at this time.
Valuably, the pneumatic constriction device includes the symmetrical biography at left and right sides of the gear cavity in inner wall
Chamber is moved, is rotatably equipped with small pulley in the drive cavity, the small band in two sides is respectively fixedly connected in the transmission shaft of two sides
Wheel, the small pulley downside are rotatably equipped with big belt wheel, transmission belt, institute are connected between the big belt wheel and the small pulley
It states between small pulley and the big belt wheel as deceleration transmission, stretches the pneumatic constriction device at a slow speed, avoid the occurrence of accident, institute
It states drive cavity and is equipped with connectivity slot far from what is be connected in the inner wall of symmetrical centre side, the connectivity slot is far from symmetrical centre side
What is be connected in wall is equipped with air storing cavity, piston is slidably equipped between the air storing cavity and the connectivity slot, in the piston
Equipped with opening towards the threaded hole of symmetrical centre, the threaded hole internal screw thread is connected with screw rod, and the screw rod is close to symmetrical centre
One end is fixed on the big belt wheel, and the air storing cavity is equipped with going out for opening upwards far from what is be connected in the inner wall of symmetrical centre side
Gas channel, stage upper end bilateral symmetry and is fixed with fixed link, and the big sliding slot that Open Side Down, institute are equipped in the fixed link
It states big sliding slot and is right against the outlet passageway, intermediate bar is slidably equipped in the big sliding slot, the intermediate bar upper end extends
To outside the big sliding slot, it is equipped with the small sliding slot that Open Side Down in the intermediate bar, is slidably equipped with small cunning in the small sliding slot
Bar, the small slide bar upper end extends to outside the small sliding slot, after starting the driving device, by described in transmission shaft drive
Small pulley rotation, and then drive the big belt wheel to rotate by the transmission belt, and then drive the piston by the screw rod
Sliding, the gas in the air storing cavity and then compressed or expanded, and then described in gas flowed to by the outlet passageway
In big sliding slot and the small sliding slot or gas flows in the air storing cavity out of the big sliding slot and the small sliding slot, and then can band
The intermediate bar is moved to stretch with the small slide bar.
Preferable, it is rotatably connected to connecting rod between the small slide bar of two sides, the connecting rod is connected to the exhibition
Showing device, the intermediate bar is flexible with the small slide bar and then the connecting rod can be driven to slide up and down, and then can drive described
It shows device expansion or stores.
It is preferable, it is symmetrical in inner wall at left and right sides of the outlet passageway and what is be connected is equipped with inlet channel, it is described go out
Big valve is installed in gas channel, the big valve openings are upward, and minor valve, the minor valve are installed in the inlet channel
Open Side Down, and the big valve and the minor valve are electrically connected at the motor, since the diameter of the outlet passageway is big
In the diameter of the inlet channel, when the big valve is opened, the gas in the air storing cavity flow to the big sliding slot and
Flow velocity in the small sliding slot is very fast, and then can improve and show efficiency the intermediate bar and the small slide bar Quick extension,
When the minor valve is opened, the gas in the big sliding slot and the small sliding slot flow to the flow velocity in the air storing cavity compared with
Slowly, and then the intermediate bar and the speed of the small slide bar contraction are slower, and then ensure safety when shrinking.
Valuably, described to show that device includes the containing cavities in the gear cavity upper inside walls, the containing cavities are left
It is rotatably connected to torsional axis between right inner wall, cloth winding wheel is fixed on the torsional axis circumferential surface, is wound on the cloth winding wheel circumferential surface
There are projection cloth and curtain, the curtain is located on the outside of the projection cloth, is fixed with movable pulley, the throwing on the connecting rod circumferential surface
Shadow cloth and the curtain upper end are fixed on the movable pulley, and the connecting rod rises and the movable pulley is driven to rise, Jin Erke
The projection cloth and the curtain is unfolded, is projected on front side of the projection cloth to the projection cloth surface, the curtain can
Improve the drop shadow effect of the projection cloth.
Preferable, it is fixed with torsional spring between inner wall at left and right sides of the cloth winding wheel left and right ends and the containing cavities, when
When the movable pulley rises, the cloth winding wheel is driven to rotate by the projection cloth and the curtain, and then reverse the torsional spring,
When movable pulley decline, the cloth winding wheel can be driven to rotate under the elastic force effect of the torsional spring, and then can be by the throwing
Shadow cloth is stored with the curtain.
Preferable, the card slot equipped with opening upwards being connected in the containing cavities upper inside walls, the movable pulley can
It slips down in the card slot and blocks, the projection cloth and the curtain are accommodated in completely in the containing cavities at this time.
The beneficial effects of the present invention are: the present invention can automatically be unfolded or store projection cloth, do not need to be built, lead to
Crossing promotion wheel can be such that stage fast moves, convenient and efficient, not influence the order of public place, can lock wheel when moving
It brakes, avoids the occurrence of accident collision, wheel can also be stored when showing, stage is avoided smooth situation occur.
Detailed description of the invention
The present invention is described in detail by following specific embodiments and drawings for ease of explanation,.
Fig. 1 is a kind of overall structure diagram of multimedium showing device for public place of the invention；
Fig. 2 is the enlarged diagram of " A " of Fig. 1；
Fig. 3 is the structural schematic diagram in direction " B-B " of Fig. 1；
Fig. 4 is the structural schematic diagram in direction " C-C " of Fig. 1；
Fig. 5 is the structural schematic diagram in direction " D-D " of Fig. 4；
Fig. 6 is the schematic diagram in direction " E " of Fig. 1.
Specific embodiment
Below with reference to Fig. 1-Fig. 6, the present invention is described in detail, for sake of convenience, now provides to hereafter described orientation
As follows: hereafter described front-rear direction up and down is consistent with the front-rear direction up and down of Fig. 1 projection relation itself.
The present invention relates to a kind of multimedium showing devices for public place, are mainly used in the multimedia of public place
Promotional display, below in conjunction with attached drawing of the present invention, the present invention will be further described:
A kind of multimedium showing device for public place of the present invention, including stage 11, the interior left and right of the stage 11
Symmetrically and what Open Side Down is equipped with groove 12, can be rotated in the groove 12 and is slidably equipped with wheel, when under the wheel
When end offsets with ground, the stage 11 is pushed, by the rolling of the wheel on the ground, and then the stage 11 can be driven
It is mobile, driving device 100 is equipped in 12 upper inside walls of groove, the wheel of two sides is connected to the driving device 100,
The wheel can be accommodated in the groove 12 by the driving device 100, and 11 lower end of stage offsets with ground at this time, this
Shi Suoshu stage 11, which no longer moves and can avoid the stage 11, to be occurred smooth, and 100 left and right ends of driving device are connected with
Pneumatic constriction device 101, the driving device 100 can drive the pneumatic constriction device 101 to stretch, the driving device
100 upsides, which are equipped with, shows device 102, and 102 left and right ends of displaying device are rotationally connected with the pneumatic constriction device 101,
The pneumatic constriction device 101 can drive the displaying device 102 to be unfolded when extending, when the pneumatic constriction device 101 is shunk
The displaying device 102 can be stored.
According to embodiment, the driving device 100 is described in detail below, the driving device 100 includes being set to
Gear cavity 30 in the stage 11, is rotatably equipped with driving gear 32 in the gear cavity 30, in the driving gear 32
It is fixed with motor shaft 16, motor 33 is installed in 30 upper inside walls of gear cavity, 16 upper end of motor shaft is connected by power
In the motor 33,32 left and right ends of driving gear are symmetrical and what is be meshed is equipped with driven gear 31, the driven tooth
Wheel 31 is fixed with transmission shaft 29 far from symmetrical centre one end, and the transmission shaft 29 is connected to described pneumatic far from symmetrical centre one end
Constriction device 101, the 30 downside inner wall of gear cavity is interior to be equipped with slide guide chamber 18, is slidably equipped in the slide guide chamber 18 U-shaped
Block 17, in described U-shaped piece 17 up and down be equipped with through-hole 15,16 lower end of motor shaft pass through the through-hole 15 and with it is described
U-shaped piece 17 threaded connection, U-shaped piece of 17 lower ends, which each extend over, to be passed through in the groove 12 of two sides, left in described U-shaped piece 17
It is right to be symmetrically equipped with the wheel cavity 51 that left and right penetrates through and Open Side Down, vehicle is rotatably connected between the 51 front and back inner wall of wheel cavity
Wheel shaft 13, the wheel of two sides are fixed on 13 circumferential surface of the axletree of two sides, start the motor 33, by described
Motor shaft 16 drives the driving gear 32 to rotate, and then the driven gear 31 is driven to rotate, and then passes through the transmission shaft
The 29 driving pneumatic constriction devices 101, while the motor shaft 16 drives U-shaped piece 17 sliding, and then passes through the vehicle
Wheel shaft 13 drives the wheel skid.
Valuably, clutch chamber 52 is symmetrically equipped in the 51 front and rear sides inner wall of wheel cavity, the clutch chamber 52 is separate
The restricted room 54 that opening deviates from the clutch chamber 52, the clutch chamber 52 and the restricted room are equipped in the inner wall of symmetrical centre side
It slidably and is rotatably equipped with sliding axle 55 between 54, company of the opening towards the axletree 13 is equipped in the sliding axle 55
Hole 53 is connect, 13 rear and front end of axletree can extend respectively into the connecting hole 53 and connect with the sliding axle 55, institute
It states sliding axle 55 and is fixed with sliding panel 56 far from described 13 one end of axletree, when the sliding panel 56 slides into the restricted room 54
When, the axletree 13 is connect with the sliding axle 55, and the sliding panel 56 is not able to rotate at this time, and then the sliding axle 55 is not
It is able to rotate, and then the axletree 13 is not able to rotate, and then the wheel is not able to rotate, the wheel lock is stopped at this time
Vehicle.
According to embodiment, the pneumatic constriction device 101 is described in detail below, the pneumatic constriction device 101
It is rotatable in the drive cavity 25 including the symmetrical drive cavity 25 in 30 left and right sides inner wall of gear cavity
Equipped with small pulley 26, the small pulley 26 in two sides, 26 downside of small pulley is respectively fixedly connected in the transmission shaft 29 of two sides
It is rotatably equipped with big belt wheel 19, transmission belt 24, the small pulley are connected between the big belt wheel 19 and the small pulley 26
It is deceleration transmission between 26 and the big belt wheel 19, stretches the pneumatic constriction device 101 at a slow speed, avoid the occurrence of accident, institute
It states drive cavity 25 and is equipped with connectivity slot 20 far from what is be connected in the inner wall of symmetrical centre side, the connectivity slot 20 is far from symmetrical centre
What is be connected in the inner wall of side is equipped with air storing cavity 40, and piston is slidably equipped between the air storing cavity 40 and the connectivity slot 20
23, the piston 23 is interior to be equipped with threaded hole 22 of the opening towards symmetrical centre, and 22 internal screw thread of threaded hole is connected with screw rod 21,
The screw rod 21 is fixed on the big belt wheel 19 close to symmetrical centre one end, and the air storing cavity 40 is far from symmetrical centre side inner wall
The outlet passageway 41 equipped with opening upwards being inside connected, 11 upper end of stage bilateral symmetry and is fixed with fixed link 45, institute
It states and is equipped with the big sliding slot 47 that Open Side Down in fixed link 45, the big sliding slot 47 is right against the outlet passageway 41, the big cunning
Intermediate bar 46 is slidably equipped in slot 47,46 upper end of intermediate bar extends to outside the big sliding slot 47, the intermediate bar 46
It is interior to be equipped with the small sliding slot 48 that Open Side Down, small slide bar 49, small 49 upper end of slide bar are slidably equipped in the small sliding slot 48
It extends to outside the small sliding slot 48, after starting the driving device 100,26 turns of the small pulley is driven by the transmission shaft 29
It is dynamic, and then drive the big belt wheel 19 to rotate by the transmission belt 24, and then drive the piston 23 by the screw rod 21
Sliding, and then the gas in the air storing cavity 40 is compressed or expanded, and then gas is flowed to by the outlet passageway 41
In the big sliding slot 47 and the small sliding slot 48 or gas flows to the gas storage out of the big sliding slot 47 and the small sliding slot 48
In chamber 40, and then the intermediate bar 46 can be driven to stretch with the small slide bar 49.
Valuably, it is rotatably connected to connecting rod 28 between the small slide bar 49 of two sides, the connecting rod 28 is connected to institute
It states and shows device 102, the intermediate bar 46 is flexible with the small slide bar 49 and then the connecting rod 28 can be driven to slide up and down, into
And the displaying device 102 can be driven to be unfolded or store.
Valuably, symmetrical in 41 left and right sides inner wall of outlet passageway and what is be connected is equipped with inlet channel 42, it is described
It is installed with big valve 44 in outlet passageway 41, big 44 opening upwards of valve are installed with minor valve in the inlet channel 42
43, Open Side Down for the minor valve 43, and the big valve 44 is electrically connected at the motor 33 with the minor valve 43, due to
The diameter of the outlet passageway 41 is greater than the diameter of the inlet channel 42, when the big valve 44 is opened, the air storing cavity
The flow velocity that gas in 40 flows in the big sliding slot 47 and the small sliding slot 48 is very fast, so can by the intermediate bar 46 with
And 49 Quick extension of small slide bar, it improves and shows efficiency, when the minor valve 43 is opened, the big sliding slot 47 and described
The flow velocity that gas in small sliding slot 48 flows in the air storing cavity 40 is slower, and then the intermediate bar 46 and the small slide bar 49
The speed of contraction is slower, and then ensures safety when shrinking.
According to embodiment, the displaying device 102 is described in detail below, the displaying device 102 includes being set to
Containing cavities 39 in 30 upper inside walls of gear cavity are rotatably connected to torsional axis 37 between 39 or so the inner wall of containing cavities,
It is fixed with cloth winding wheel 34 on 37 circumferential surface of torsional axis, is wound with projection cloth 35 and curtain 50, institute on 34 circumferential surface of cloth winding wheel
State curtain 50 and be located at 35 outside of the projection cloth, be fixed with movable pulley 36 on 28 circumferential surface of connecting rod, the projection cloth 35 with
50 upper end of curtain is fixed on the movable pulley 36, and the connecting rod 28 rises and the movable pulley 36 is driven to rise, in turn
The deployable projection cloth 35 and the curtain 50 are projected from 35 front side of projection cloth to 35 surface of projection cloth,
The drop shadow effect of the projection cloth 35 can be improved in the curtain 50.
Valuably, torsional spring is fixed between 39 left and right sides inner wall of 34 left and right ends of cloth winding wheel and the containing cavities
27, when the movable pulley 36 rises, drive the cloth winding wheel 34 to rotate with the curtain 50 by the projection cloth 35, in turn
The torsional spring 27 is reversed, when the movable pulley 36 decline, the cloth winding wheel can be driven under the elastic force effect of the torsional spring 27
34 rotations, and then the projection cloth 35 and the curtain 50 can be stored.
Valuably, the card slot 38 equipped with opening upwards being connected in 39 upper inside walls of containing cavities, the movable pulley
36 can slip down in the card slot 38 and block, and the projection cloth 35 is accommodated in the containing cavities with the curtain 50 completely at this time
In 39.
Use step below in conjunction with Fig. 1 to Fig. 6 to one of this paper for the multimedium showing device of public place
It is described in detail:
When initial, projection cloth 35 and curtain 50 are accommodated in containing cavities 39, and movable pulley 36 and connecting rod 28 are in limit inferior at this time
Position, piston 23 is located at state close to each other at this time, and U-shaped at this time piece 17 is located at lower limit position, at this time wheel lower end and ground
Face contact, sliding axle 55 and axletree 13 are in not-connected status at this time, and sliding panel 56 is located at outside restricted room 54 at this time.
In use, pushing stage 11, and then drive stage 11 mobile by the rolling of wheel on the ground, when stage 11 arrives
Sliding panel 56 is pushed when up to designated position, and then drives sliding axle 55 to slide and connect with axletree 13, and sliding panel 56, which slides into, to be limited
It is no longer rotated after in chamber 54 processed, and then no longer rotates sliding axle 55 with axletree 13, and then no longer rotate wheel, and then right
Stage 11 brakes, and starts motor 33 at this time and is powered to big valve 44, opens big valve 44 at this time, at this time minor valve 43
It is in close state, and then U-shaped piece 17 rising is driven by motor shaft 16, and then rise and receive with motor car wheel by axletree 13
Be contained in groove 12,11 lower end of stage offsets with ground at this time, can avoid stage 11 occur it is smooth, while motor shaft 16 drive master
Moving gear 32 rotates, and then driven gear 31 is driven to rotate, and then drives small pulley 26 to rotate by transmission shaft 29, and then pass through
Transmission belt 24 drives big belt wheel 19 to rotate, and then is slided by screw rod 21 with piston 23, and then compress the gas in air storing cavity 40
Body is side by side to outlet passageway 41, and gas is quickly entered in big sliding slot 47 and small sliding slot 48 by big valve 44, and then in promotion
Between bar 46 to stretch out big sliding slot 47 outer and small slide bar 49 is pushed to stretch out outside small sliding slot 48, and then drive connecting rod 28 to rise, and then band
Dynamic movable pulley 36 rises, and then pulls out projection cloth 35 and curtain 50, and then drives cloth winding wheel 34 to rotate and reverse torsional spring 27, works as vehicle
When wheel is received into completely in groove 12, movable pulley 36 rises to upper limit position, and projection cloth 35 is fully deployed with curtain 50 at this time,
Motor 33 is closed at this time and big valve 44 is powered off, and projection cloth 35 can be projected from 35 front side of projection cloth at this time, people can
It stands the carry out activity on stage 11.
When needing retracting device, starts motor 33 and motor shaft 16 is driven to invert, be powered simultaneously to minor valve 43 at this time
It opens, big valve 44 is in close state at this time, at this time the sliding close to each other of piston 23, and gas is from big sliding slot 47 and small cunning at this time
Entered in air storing cavity 40 at a slow speed in slot 48 by inlet channel 42, and then shrinks intermediate bar 46 and small slide bar 49 at a slow speed, into
And drive movable pulley 36 to decline by connecting rod 28, the rotation of cloth winding wheel 34 and being collected in winding manner are driven under the elastic force effect of torsional spring 27
Play projection cloth 35 and curtain 50, while motor shaft 16 drives U-shaped piece 17 decline, so in motor car wheel stretching groove 12 and with ground
Face offsets, and movable pulley 36 is protruded into card slot 38 and blocked when in the fully extended groove 12 of wheel, has stored projection completely at this time
Cloth 35 and curtain 50, can pull sliding panel 56 at this time and be detached from restricted room 54, and axletree 13 is disconnected with sliding axle 55 at this time,
Stage 11 can be pushed away at this time.
The beneficial effects of the present invention are: the present invention can automatically be unfolded or store projection cloth, do not need to be built, lead to
Crossing promotion wheel can be such that stage fast moves, convenient and efficient, not influence the order of public place, can lock wheel when moving
It brakes, avoids the occurrence of accident collision, wheel can also be stored when showing, stage is avoided smooth situation occur.
In the above manner, those skilled in the art can be made within the scope of the invention according to operating mode it is various
Change.
Claims (9)
1. a kind of multimedium showing device for public place, including stage；Bilateral symmetry and Open Side Down in the stage
Be equipped with groove, can be rotated and be slidably equipped with wheel in the groove, when the wheel lower end and ground offset, push
The stage by the rolling of the wheel on the ground, and then can drive the stage mobile；In the groove upper inside walls
Equipped with driving device, the wheel of two sides is connected to the driving device, and the wheel can be accommodated in by the driving device
In the groove, the stage lower end offsets with ground at this time；The driving device left and right ends are connected with pneumatic constriction device,
The driving device can drive the pneumatic constriction device to stretch；It is equipped on the upside of the driving device and shows device, it is described
Show that device left and right ends are rotationally connected with the pneumatic constriction device, the pneumatic constriction device can drive the exhibition when extending
Showing device expansion, the pneumatic constriction device can store the displaying device when shrinking.
2. a kind of multimedium showing device for public place as described in claim 1, it is characterised in that: the driving dress
The gear cavity including being set in the stage is set, is rotatably equipped with driving gear in the gear cavity, in the driving gear
It is fixed with motor shaft, motor is installed in the gear cavity upper inside walls, the motor shaft upper end is connected by power in the electricity
Motivation, the driving gear left and right ends are symmetrical and what is be meshed is equipped with driven gear, and the driven gear is far from symmetrical centre
One end is fixed with transmission shaft, and the transmission shaft is connected to the pneumatic constriction device far from symmetrical centre one end；The gear cavity
It is equipped with slide guide chamber in the inner wall of downside, the slide guide is intracavitary to be slidably equipped in U-shaped piece, described U-shaped piece being equipped with up and down
Through-hole, the motor shaft lower end pass through the through-hole and are threadedly coupled with described U-shaped piece；The U-shaped piece of lower end each extends over logical
Enter in the groove of two sides, the symmetrical wheel cavity for being equipped with left and right perforation and Open Side Down, the vehicle in described U-shaped piece
It is rotatably connected to axletree between inner wall before and after wheel chamber, the wheel of two sides is fixed on the axletree circumferential surface of two sides.
3. a kind of multimedium showing device for public place as claimed in claim 2, it is characterised in that: the wheel cavity
In the inner wall of front and rear sides symmetrically be equipped with clutch chamber, the clutch chamber far from the inner wall of symmetrical centre side be equipped with opening deviate from institute
The restricted room of clutch chamber is stated, sliding axle, the cunning slidably and are rotatably equipped between the clutch chamber and the restricted room
Connecting hole of the opening towards the axletree is equipped in moving axis, the axletree rear and front end can extend respectively into the connecting hole
It is interior and with the sliding axis connection, the sliding axle is fixed with sliding panel far from described axletree one end.
4. a kind of multimedium showing device for public place as described in claim 1, it is characterised in that: the pneumatic receipts
Compression apparatus includes the symmetrical drive cavity in inner wall at left and right sides of the gear cavity, rotatable in the drive cavity
Equipped with small pulley, the small pulley in two sides is respectively fixedly connected in the transmission shaft of two sides, and the small pulley downside is rotatable
Equipped with big belt wheel, transmission belt is connected between the big belt wheel and the small pulley, between the small pulley and the big belt wheel
For deceleration transmission；The drive cavity is equipped with connectivity slot far from what is be connected in the inner wall of symmetrical centre side, and the connectivity slot is separate
What is be connected in the inner wall of symmetrical centre side is equipped with air storing cavity, is slidably equipped with and lives between the air storing cavity and the connectivity slot
Plug, the piston is interior to be equipped with threaded hole of the opening towards symmetrical centre, and the threaded hole internal screw thread is connected with screw rod, the screw rod
The big belt wheel is fixed on close to symmetrical centre one end；The air storing cavity is equipped with far from what is be connected in the inner wall of symmetrical centre side
The outlet passageway of opening upwards, stage upper end bilateral symmetry and is fixed with fixed link, be equipped in the fixed link opening to
Under big sliding slot, the big sliding slot is right against the outlet passageway, is slidably equipped with intermediate bar in the big sliding slot, it is described in
Between bar upper end extend to outside the big sliding slot, the small sliding slot that Open Side Down is equipped in the intermediate bar, can be slided in the small sliding slot
Dynamic is equipped with small slide bar, and the small slide bar upper end extends to outside the small sliding slot.
5. a kind of multimedium showing device for public place as claimed in claim 4, it is characterised in that: two sides it is described
Connecting rod is rotatably connected between small slide bar, the connecting rod is connected to the displaying device.
6. a kind of multimedium showing device for public place as claimed in claim 4, it is characterised in that: the outlet is logical
It is symmetrical in inner wall and what is be connected is equipped with inlet channel at left and right sides of road, big valve is installed in the outlet passageway, it is described big
Valve openings are upward, and minor valve is installed in the inlet channel, and Open Side Down for the minor valve, the big valve with it is described small
Valve is electrically connected at the motor.
7. a kind of multimedium showing device for public place as described in claim 1, it is characterised in that: the displaying dress
The containing cavities including being set in the gear cavity upper inside walls are set, are rotatably connected to torsion between described containing cavities or so inner wall
Axis is fixed with cloth winding wheel on the torsional axis circumferential surface, projection cloth and curtain, the curtain position is wound on the cloth winding wheel circumferential surface
On the outside of the projection cloth；Movable pulley is fixed on the connecting rod circumferential surface, the projection cloth is fixed on the curtain upper end
The movable pulley.
8. a kind of multimedium showing device for public place as claimed in claim 7, it is characterised in that: the cloth winding wheel
Torsional spring is fixed between inner wall at left and right sides of left and right ends and the containing cavities.
9. a kind of multimedium showing device for public place as claimed in claim 7, it is characterised in that: the containing cavities
The card slot equipped with opening upwards being connected in upper inside walls, the movable pulley can be slipped down in the card slot and be blocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910580384.1A CN110264918A (en) | 2019-06-28 | 2019-06-28 | A kind of multimedium showing device for public place |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910580384.1A CN110264918A (en) | 2019-06-28 | 2019-06-28 | A kind of multimedium showing device for public place |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110264918A true CN110264918A (en) | 2019-09-20 |
Family
ID=67923233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910580384.1A Withdrawn CN110264918A (en) | 2019-06-28 | 2019-06-28 | A kind of multimedium showing device for public place |
Country Status (1)
| Country | Link |
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| CN (1) | CN110264918A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276746A (en) * | 2021-04-30 | 2021-08-20 | 浙江零跑科技股份有限公司 | Cladding formula is to opening handrail |
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| JP2011017735A (en) * | 2009-07-07 | 2011-01-27 | Miyoshi:Kk | Monitor suspending device |
| CN206418813U (en) * | 2017-01-09 | 2017-08-18 | 天津舞台科学技术研究所 | A kind of small-scale stage for being moved easily lifting |
| CN207726659U (en) * | 2017-12-28 | 2018-08-14 | 徐本辉 | A kind of play platform curtain scape mobile lifting platform |
| CN108744556A (en) * | 2018-06-16 | 2018-11-06 | 刘闪闪 | A kind of even acute performance stage of play |
| CN208077487U (en) * | 2018-03-14 | 2018-11-09 | 高雄 | A kind of music model light display device |
| CN109272885A (en) * | 2018-11-22 | 2019-01-25 | 浦江开丰广告设计有限公司 | A kind of advertisement display |
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2019
- 2019-06-28 CN CN201910580384.1A patent/CN110264918A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011017735A (en) * | 2009-07-07 | 2011-01-27 | Miyoshi:Kk | Monitor suspending device |
| CN206418813U (en) * | 2017-01-09 | 2017-08-18 | 天津舞台科学技术研究所 | A kind of small-scale stage for being moved easily lifting |
| CN207726659U (en) * | 2017-12-28 | 2018-08-14 | 徐本辉 | A kind of play platform curtain scape mobile lifting platform |
| CN208077487U (en) * | 2018-03-14 | 2018-11-09 | 高雄 | A kind of music model light display device |
| CN108744556A (en) * | 2018-06-16 | 2018-11-06 | 刘闪闪 | A kind of even acute performance stage of play |
| CN109272885A (en) * | 2018-11-22 | 2019-01-25 | 浦江开丰广告设计有限公司 | A kind of advertisement display |
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| CN113276746A (en) * | 2021-04-30 | 2021-08-20 | 浙江零跑科技股份有限公司 | Cladding formula is to opening handrail |
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Application publication date: 20190920 |
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