CN213545028U - Teaching is with mobilizable projection curtain support - Google Patents

Abstract

The utility model discloses a mobilizable projection curtain support is used in teaching, comprising a base plate, the lower extreme movable mounting of bottom plate has the removal wheel, the upper end fixed mounting of bottom plate has flexible bracing piece, flexible bracing piece is components of a whole that can function independently movable structure, the upper end fixed mounting of flexible bracing piece has the base, the right-hand member fixed mounting of base has the baffle, the right-hand member fixed mounting of baffle upper end has the promotion handle, the upper end fixed mounting of base has lower projection board, the front end fixed mounting of lower projection board has the curtain mounting panel. This mobilizable projection curtain support is used in teaching when needs project, pack the projection curtain into the curtain mounting panel in, the lower extreme of projection curtain passes through the curtain mounting groove installation simultaneously and goes into in the curtain mounting panel for to the installation of curtain with dismantle more convenient and be convenient for the maintenance, remove the wheel at the lower extreme movable mounting of bottom plate simultaneously, can remove the device, the effectual convenience that has improved.

Description

Teaching is with mobilizable projection curtain support

Technical Field

The utility model relates to a teaching technical field specifically is a mobilizable projection curtain support is used in teaching.

Background

The teaching is an educational activity composed of the teaching of teachers and the study of students under the standard teaching purpose, in China, the teaching is based on the acceptance of knowledge, and through the teaching, the students actively master the scientific and cultural knowledge and skills of the system under the planned and step active guidance of the teachers, develop intelligence, physical strength, ceramic quality and aesthetic feeling, and form the fully developed personality.

The projecting apparatus is one of numerous teaching aid, and the projecting apparatus hangs the curtain on wall or time roof mostly when using, can't remove the use, and when the outdoor use, often need build the support and use, and comparatively loaded down with trivial details and be not convenient for remove.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mobilizable projection curtain support is used in teaching to it is one of numerous teaching aid to propose the projecting apparatus in solving above-mentioned background art, the projecting apparatus hangs the curtain at the wall or time roof mostly when using, can't remove the use, and when the outdoor use, often need build the support and use, the problem of comparatively loaded down with trivial details and be not convenient for remove.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mobilizable projection curtain support is used in teaching, includes the bottom plate, the lower extreme movable mounting of bottom plate has the removal wheel, the upper end fixed mounting of bottom plate has flexible bracing piece, flexible bracing piece is components of a whole that can function independently movable structure, the upper end fixed mounting of flexible bracing piece has the base, the right-hand member fixed mounting of base has the baffle, the right-hand member fixed mounting of baffle upper end has the promotion handle, the upper end fixed mounting of base has projection board down, the front end fixed mounting of projection board has the curtain mounting panel down, the left end of curtain mounting panel is fixed and is provided with the curtain mounting groove.

Preferably, both ends movable mounting has the lifter plate about the lower projection board upper end, the lifter plate is for dividing the body structure, the lifter plate passes lower projection board and base and extends to the upper end of bottom plate, lifter plate and bottom plate swing joint, the inboard fixed rack that is provided with of lifter plate, the upper end fixed mounting of lifter plate has the projection board, the front end fixed mounting who goes up the projection board has curtain installation pipe, the left end fixed mounting of curtain installation pipe is provided with the curtain installing port.

Preferably, the left end movable mounting of base has the crank, the right-hand member of crank extends to the inside of base, the inside middle part movable mounting of base has the axis of rotation, the axis of rotation is located the middle part of lifter plate, both ends movable mounting has the loose axle about the axis of rotation, loose axle and base fixed connection, the left end of axis of rotation passes the right-hand member fixed connection of loose axle and crank.

Preferably, the left end and the right end of the rotating shaft are fixedly provided with lifting gears, the lifting gears are matched with the lifting plates, and the lifting gears are meshed with the racks.

Preferably, the outer side of the lifting plate is fixedly provided with a telescopic dustproof sleeve at the upper end of the bottom plate, the inner side of the telescopic dustproof sleeve is fixedly provided with a connector, the connector is movably connected with the lifting plate, and the upper end of the lifting plate is fixedly connected with the lower end of the base.

Preferably, the lower end of the lifting plate is fixedly provided with a limiting plate, and the limiting plate is movably connected with the lifting gear.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the movable projection curtain bracket for teaching, when projection is needed, a projection curtain is installed in the curtain installation pipe, and the lower end of the projection curtain is installed in the curtain installation pipe through the curtain installation groove, so that the curtain is more convenient to install and disassemble and convenient to maintain;

2. according to the movable projection curtain bracket for teaching, the lifting gears are fixedly arranged at the left end and the right end of the rotating shaft, when the rotating shaft rotates, the lifting gears are driven to rotate, meanwhile, the lifting gears are meshed with the racks, when the lifting gears rotate, the lifting plates are synchronously driven to lift, a curtain can be unfolded or closed, the protection of the curtain is effectively improved, and the curtain is more convenient to move;

3. this mobilizable projection curtain support is used in teaching, through the flexible dirt proof boot of installation, when the lifter plate rises to the top, the gravity that flexible bracing piece utilized the upper end compresses downwards, drive the shrink of flexible dirt proof boot, make the whole high decline of device, when the lifter plate descends simultaneously, utilize pressure to pull out flexible bracing piece, the synchronous flexible dirt proof boot extends, protect the lifter plate, avoided dust and water stain to cause the destruction to the lifter plate, the effectual protection to the lifter plate that has improved, and no matter make the lifter plate rise or descend, the difference in height of device can not be too big.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the base of the present invention;

FIG. 3 is a schematic view of a local detail structure of the crank of the present invention;

FIG. 4 is a schematic view of the three-dimensional structure of the retractable dust cover of the present invention;

fig. 5 is a schematic view of the local detail structure of the lifting plate of the present invention.

In the figure: 1. a base plate; 2. a moving wheel; 3. a telescopic support rod; 4. a base; 5. a baffle plate; 6. pushing the handle; 7. a lower projection plate; 8. a curtain mounting plate; 9. a curtain mounting groove; 10. a lifting plate; 11. a rack; 12. an upper projection plate; 13. installing a pipe on the curtain; 14. a curtain mounting port; 15. a crank; 16. a rotating shaft; 17. a movable shaft; 18. a lifting gear; 19. a telescopic dustproof sleeve; 20. a connecting port; 21. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a mobilizable projection curtain support is used in teaching, comprising a base plate 1, the lower extreme movable mounting of bottom plate 1 has removal wheel 2, the upper end fixed mounting of bottom plate 1 has flexible bracing piece 3, flexible bracing piece 3 is components of a whole that can function independently movable structure, the upper end fixed mounting of flexible bracing piece 3 has base 4, the right-hand member fixed mounting of base 4 has baffle 5, the right-hand member fixed mounting of baffle 5 upper end has promotion handle 6, projection board 7 under the upper end fixed mounting of base 4, the front end fixed mounting of lower projection board 7 has curtain mounting panel 8, the left end of curtain mounting panel 8 is fixed and is provided with curtain mounting groove 9.

Further, the left end and the right end of the upper end of the lower projection plate 7 are movably provided with a lifting plate 10, the lifting plate 10 is of a split structure, the lifting plate 10 penetrates through the lower projection plate 7 and the base 4 and extends to the upper end of the bottom plate 1, the lifting plate 10 is movably connected with the bottom plate 1, the inner side of the lifting plate 10 is fixedly provided with a rack 11, the upper end of the lifting plate 10 is fixedly provided with an upper projection plate 12, the front end of the upper projection plate 12 is fixedly provided with a curtain mounting pipe 13, the left end of the curtain mounting pipe 13 is fixedly provided with a curtain mounting opening 14, when projection is required, a projection curtain is mounted in the curtain mounting pipe 13, the lower end of the projection curtain is mounted in a curtain mounting plate 8 through a curtain mounting groove 9, when the projection curtain is required to be used, the lower projection plate 7 is separated from the upper projection plate 12 through the lifting plate 10 to enable the curtain to be unfolded, and the moving wheel 2 is movably mounted at the lower end, the device can be moved, and convenience is effectively improved.

Further, the left end movable mounting of base 4 has crank 15, the right-hand member of crank 15 extends to the inside of base 4, the inside middle part movable mounting of base 4 has axis of rotation 16, axis of rotation 16 is located the middle part of lifter plate 10, both ends movable mounting has loose axle 17 about axis of rotation 16, loose axle 17 and base 4 fixed connection, the left end of axis of rotation 16 passes loose axle 17 and crank 15's right-hand member fixed connection, through left end movable mounting crank 15 at base 4, when needs go up and down, it rotates to rotate crank 15 and drive axis of rotation 16, make the light more of lift, overall structure's compactness has been improved.

Further, both ends fixed mounting has lifting gear 18 about axis of rotation 16, lifting gear 18 and lifter plate 10 looks adaptation, lifting gear 18 is connected with the meshing of rack 11, through both ends fixed mounting lifting gear 18 about axis of rotation 16, when axis of rotation 16 is rotatory, it rotates to drive lifting gear 18, lifting gear 18 is connected with the meshing of rack 11 simultaneously, it goes up and down to drive lifter plate 10 in step when lifting gear 18 rotates, can expand or be closed with the curtain, effectual improvement is to the protection of curtain and make more convenient when removing.

Further, the outside of lifter plate 10 is located the upper end fixed mounting of bottom plate 1 has flexible dirt proof boot 19, the inboard fixed connector 20 that is provided with of flexible dirt proof boot 19, connector 20 and lifter plate 10 swing joint, the upper end of lifter plate 10 and the lower extreme fixed connection of base 4, through installing flexible dirt proof boot 19, when lifter plate 10 rises to the top, flexible bracing piece 3 utilizes the gravity of upper end to compress downwards, drive flexible dirt proof boot 19 shrink, make the whole height of device descend, when lifter plate 10 descends simultaneously, utilize pressure to pull out flexible bracing piece 3, synchronous flexible dirt proof boot 19 extends, protect lifter plate 10, avoided dust and water stain to cause the destruction to lifter plate 10, the effectual protection to lifter plate 10 that has improved, and no matter make lifter plate 10 rise or descend, the difference in height of device can not be too big.

Further, the lower extreme fixed mounting of lifter plate 10 has limiting plate 21, and limiting plate 21 and lifting gear 18 swing joint avoid through lower extreme fixed mounting limiting plate 21 at lifter plate 10, avoid lifter plate 10 to appear the phenomenon that drops when rising, cause lifter plate 10 to damage.

The working principle is as follows: firstly, when projection is carried out, a projection curtain is arranged in a curtain mounting pipe 13, the lower end of the projection curtain is arranged in a curtain mounting plate 8 through a curtain mounting groove 9, when the projection curtain is required to be used, a lower projection plate 7 is separated from an upper projection plate 12 through a lifting plate 10, the curtain is unfolded, meanwhile, a moving wheel 2 is movably arranged at the lower end of a bottom plate 1, the device can be moved, a crank 15 is rotated to drive a rotating shaft 16 to rotate, a lifting gear 18 is driven to rotate, meanwhile, the lifting gear 18 is meshed and connected with a rack 11, when the lifting gear 18 rotates, the lifting plate 10 is synchronously driven to lift, the curtain can be unfolded or closed, when the lifting plate 10 lifts upwards, a telescopic supporting rod 3 is compressed downwards by utilizing gravity to drive a telescopic dustproof sleeve 19 to contract, the whole height of the device is lowered, and when the lifting plate 10 descends, utilize pressure to pull out flexible bracing piece 3, synchronous flexible dirt proof boot 19 extends, protects lifter plate 10, avoids at the lower extreme fixed mounting limiting plate 21 of lifter plate 10, avoids lifter plate 10 the phenomenon that drops appear when rising, causes the lifter plate 10 to damage.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims (6)

1. The utility model provides a teaching is with mobilizable projection curtain support, includes bottom plate (1), its characterized in that: the utility model discloses a screen printing machine, including bottom plate (1), upper end fixed mounting have flexible bracing piece (3), flexible bracing piece (3) are components of a whole that can function independently movable structure, the upper end fixed mounting of flexible bracing piece (3) has base (4), the right-hand member fixed mounting of base (4) has baffle (5), the right-hand member fixed mounting of baffle (5) upper end has promotion handle (6), the upper end fixed mounting of base (4) has lower projection board (7), the front end fixed mounting of lower projection board (7) has curtain mounting panel (8), the left end of curtain mounting panel (8) is fixed and is provided with curtain mounting groove (9).

2. A movable projection curtain support for teaching as claimed in claim 1, wherein: lower projection board (7) upper end about both ends movable mounting have lifter plate (10), lifter plate (10) are the components of a whole that can function independently structure, lower projection board (7) and base (4) are passed in lifter plate (10) and extend to the upper end of bottom plate (1), lifter plate (10) and bottom plate (1) swing joint, the inboard of lifter plate (10) is fixed and is provided with rack (11), upper end fixed mounting of lifter plate (10) has projection board (12), the front end fixed mounting of going up projection board (12) has curtain installing tube (13), the left end of curtain installing tube (13) is fixed and is provided with curtain installing port (14).

3. A movable projection curtain support for teaching as claimed in claim 2, wherein: the left end movable mounting of base (4) has crank (15), the right-hand member of crank (15) extends to the inside of base (4), the middle part movable mounting of base (4) inside has axis of rotation (16), axis of rotation (16) are located the middle part of lifter plate (10), both ends movable mounting has loose axle (17) about axis of rotation (16), loose axle (17) and base (4) fixed connection, the left end of axis of rotation (16) passes the right-hand member fixed connection of loose axle (17) and crank (15).

4. A movable projection curtain support for teaching as claimed in claim 3, wherein: both ends fixed mounting has lifting gear (18) about axis of rotation (16), lifting gear (18) and lifter plate (10) looks adaptation, lifting gear (18) are connected with rack (11) meshing.

5. A movable projection curtain support for teaching as claimed in claim 2, wherein: the outer side of the lifting plate (10) is located at the upper end of the bottom plate (1) and is fixedly provided with a telescopic dustproof sleeve (19), a connector (20) is fixedly arranged on the inner side of the telescopic dustproof sleeve (19), the connector (20) is movably connected with the lifting plate (10), and the upper end of the lifting plate (10) is fixedly connected with the lower end of the base (4).

6. A movable projection curtain support for teaching as claimed in claim 4, wherein: the lower end of the lifting plate (10) is fixedly provided with a limiting plate (21), and the limiting plate (21) is movably connected with the lifting gear (18).

Images