CN210109548U

CN210109548U - Projection curtain

Info

Publication number: CN210109548U
Application number: CN201921236134.8U
Authority: CN
Inventors: 卢禹彤
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-02-21
Anticipated expiration: 2029-08-01

Abstract

The utility model discloses a projection curtain, which comprises a telescopic rod, a curtain and a containing shell provided with an L-shaped opening, wherein the side surface of the telescopic end of the telescopic rod is rotationally connected with the side surface of a round block through a damping rotating shaft, the other side surface of the round block is fixedly connected with one end of the vertical side surface of the containing shell, one end of the containing shell far away from the round block is fixedly provided with a motor shell, a motor is fixed in the motor shell, the input end of the motor is electrically connected with the output end of an external power supply, the power output shaft of the motor is fixedly connected with the side surface of a round table, the round table is positioned in the containing shell, the other side surface of the round table is fixedly connected with one end of a fixed rotating rod, the other end of the fixed rotating rod is horizontally rotationally connected with one end of a folding rotating rod through a hinge, the projection curtain can be folded and contained twice, and the curtain can be larger, meanwhile, the unfolding is convenient, the operation is easy, and the use is very humanized.

Description

Projection curtain

Technical Field

The utility model relates to a projection equipment technical field specifically is a projection curtain.

Background

The admiration class is a large-scale open online course. The mu lesson is an online course development mode newly emerged. Admire class as a brand-new teaching mode and theory, also produce huge influence to professional english teaching. Due to the arrival of the period of admiration, epoch-making educational reform is brought about in China. At present, a series of problems in the domestic professional English classroom introduce the admiration class form into the professional English classroom, can promote the reform and innovation of the traditional English classroom, and provide support for the development of English education.

And introducing the admiring lesson form into an English teaching classroom, and giving lessons to students in a centralized manner through an external large screen. The course content is abundant, stimulates students' english study interest easily, effectively improves english teaching quality. Because the projection screen has a large area and is usually a fixed screen, various inconveniences are brought to the use in daily life, and the existing folding screen is small in unfolded screen, inconvenient to unfold and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a projection curtain, can carry out twice folding to the curtain and accomodate, can make the curtain of carrying bigger under the same volume of accomodating, it is convenient to expand simultaneously, easy to operate, and it is very humanized to use, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a projection curtain, includes telescopic link, curtain and sets up L shape open-ended storage housing, the flexible end side of telescopic link is rotated through the side of damping pivot and disk and is connected, the another side of disk and the one end fixed connection who stores up the vertical side of casing, the one end that the disk was kept away from to the storage housing is fixed with the motor casing, the motor casing internal fixation has the motor, the input of motor is connected with external power supply's output electricity, the power output shaft of motor and the side fixed connection of round platform, and the round platform is located inside the storage housing, the another side of round platform and the one end fixed connection of fixed rotary rod, the other end of fixed rotary rod is passed through the hinge level with the one end of folding rotary rod and is rotated and be connected, the curtain upper end can be dismantled with the bottom side of fixed rotary rod and the bottom side of folding rotary rod.

As an optimal technical scheme of the utility model, the upper end of curtain is fixed with a plurality of subsides pieces, and the piece of sticking is the magic tape piece, and the bottom side of folding rotary rod and the bottom side of fixed rotary rod all are fixed with the magic subsides mother piece with magic tape piece adaptation.

As a preferred technical scheme of the utility model, folding rotary rod keeps away from one end of circle piece and one side fixed connection of fixture block, and two relative recesses in position are seted up to the side of fixture block, set up the draw-in groove that corresponds the fixture block on the round platform, and the position that corresponds two recesses in the draw-in groove all is fixed with the block rubber.

As a preferred technical scheme of the utility model, the one end fixed connection of the position that accomodates the casing upper surface and be close to the hinge and fixed block lower surface, the last fixed surface of fixed block has two relative buckles, and the one end of accomodating the casing is kept away from to the fixed block upper surface has seted up the through-hole, and sliding connection has the folding rod in the through-hole, and the folding rod lower extreme is rotated through the pivot with the upper end of sill bar and is connected.

As the utility model discloses a preferred technical scheme, fixed surface is connected on the stiff end of telescopic link and the bottom plate, and the lower fixed surface of bottom plate has a plurality of universal wheel.

As an optimal technical scheme of the utility model, the position that the lower extreme of curtain corresponds fixed rotary rod and folding rotary rod is fixed with first hanger plate and second hanger plate respectively, and first hanger plate and second hanger plate are the magnet board.

As a preferred technical scheme of the utility model, it has seted up logical groove to accomodate the position that the casing upper surface is close to its L shape opening, leads to the inslot sliding connection and has the side apron, and the lower fixed surface of side apron upper end and baffle is connected, and the baffle is the magnet board, accomodates the position of casing side correspondence logical groove and has seted up threaded hole, screw hole and logical groove intercommunication, threaded hole are provided with the bolt, the one end of bolt and the side contact of baffle.

As an optimal technical scheme of the utility model, the material of accomodating the casing is steel.

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

1. the utility model discloses the projection curtain of example can carry out twice folding to the curtain and accomodate, can make the curtain of carrying bigger under same volume of accomodating, and it is convenient to expand simultaneously, and easy to operate uses very humanized.

2. The utility model discloses the projection curtain of example, when the curtain was folded, the folding rod droops down, can prevent that the curtain from accomodating the in-process, and the fold appears in the curtain mid portion, the projection quality when guaranteeing to use.

3. The utility model discloses the projection curtain of example, first hanger plate and second hanger plate can guarantee that the curtain hangs down naturally when the curtain uses for the projection quality is higher, and when accomodating, two hanger plates can also adsorb together simultaneously, and the fold appears in the curtain when avoiding the roll-up.

4. The utility model discloses the projection curtain of example, the side shield can seal the side of accomodating the casing when the curtain does not use, can keep the clean and tidy of curtain on the one hand, can also avoid the curtain to fall out the damage when accomodating simultaneously.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1;

FIG. 5 is an enlarged view of the structure at B in FIG. 3;

fig. 6 is an enlarged view of the structure at C of fig. 3.

In the figure: 1 telescopic link, 2 universal wheels, 3 bottom plates, 4 curtains, 5 fixture blocks, 6 grooves, 7 sticking blocks, 8 folding rotary rods, 9 bottom rods, 10 folding rods, 11 round blocks, 12 hinges, 13 fixing blocks, 14 side cover plates, 15 bolts, 16 baffle plates, 17 fixing rotary rods, 18 motor shells, 19 first hanger plates, 20 second hanger plates, 21 storage shells, 22 rubber blocks, 23 round tables, 24 buckles and 25 motors.

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. 1-6, the present invention provides a technical solution: a projection curtain comprises an expansion link 1, a curtain 4 and a containing shell 21 with an L-shaped opening, wherein the side surface of the expansion end of the expansion link 1 is rotationally connected with the side surface of a round block 11 through a damping rotating shaft, the expansion link 1 is pulled open to enable the containing shell 21 to rotate to the horizontal direction, the other side surface of the round block 11 is fixedly connected with one end of the vertical side surface of the containing shell 21, a motor shell 18 is fixed at one end of the containing shell 21 far away from the round block 11, a motor 25 is fixed in the motor shell 18, the input end of the motor 25 is electrically connected with the output end of an external power supply, the power output shaft of the motor 25 is fixedly connected with the side surface of a round table 23, the round table 23 is positioned in the containing shell 21, the other side surface of the round table 23 is fixedly connected with one end of a fixed rotating rod 17, the other end of the fixed rotating rod 17 is horizontally rotationally connected with one end of a folding rotating rod 8 through a, the motor 25 is opened by pressing an external switch, the motor 25 drives the circular table 23 to rotate, the circular table 23 drives the folding rotary rod 8 and the fixed rotary rod 17 to rotate, the curtain 4 is slowly put down, after the curtain 4 is completely put down, the motor 25 stops running, the folding rotary rod 8 is held to rotate and expand around the hinge 12, the adsorbed first hanging plate 19 and the second hanging plate 20 are separated, when the folding rotary rod 8 and the fixed rotary rod 17 are horizontal, the curtain 4 is completely expanded, a plurality of sticking blocks 7 are fixed at the upper end of the curtain 4, the sticking blocks 7 are magic sticking pieces, magic sticking mother pieces matched with the magic sticking pieces are fixed at the bottom side of the folding rotary rod 8 and the bottom side of the fixed rotary rod 17, the curtain 4 can be replaced and cleaned, the material of the storage shell 21 is steel, the adsorption with a magnet device is convenient, the projection curtain 4 can be folded and stored twice, and the carried curtain 4 can be larger under the same storage volume, meanwhile, the unfolding is convenient, the operation is easy, and the use is very humanized.

One end that circle piece 11 was kept away from to folding rotary rod 8 and one side fixed connection of fixture block 5, two relative recesses 6 in position have been seted up to the side of fixture block 5, have seted up the draw-in groove that corresponds fixture block 5 on the round platform 23, and the position that corresponds two recesses 6 in the draw-in groove all is fixed with rubber block 22, with the help of the frictional force of rubber block 22 and recess 6, can effectively prevent folding rotary rod 8 and fixed rotary rod 17 and break away from.

The position of the upper surface of the storage shell 21 close to the hinge 12 is fixedly connected with one end of the lower surface of the fixed block 13, two opposite buckles 24 are fixed on the upper surface of the fixed block 13, one end of the upper surface of the fixed block 13 far away from the storage shell 21 is provided with a through hole, the folding rod 10 is connected in the through hole in a sliding manner, the lower end of the folding rod 10 is rotatably connected with the upper end of the bottom rod 9 through a rotating shaft, when the device is folded, the folding rod 10 is taken out from the buckles 24 firstly, then the folding rod slides down along the round hole on the fixed block 13 in a vertical state, then the folding rotating rod 8 is held to rotate a certain angle around the hinge 12, the curtain 4 effectively avoids the occurrence of wrinkles under the shielding effect of the folding rod 10, then the folding rod 10 is taken out, and the folding rod 10 is rotatably clamped in the buckles 24, when the curtain 4 is folded, the folding rod 10 hangs down, and the curtain 4, the middle part of the curtain 4 is folded, so that the projection quality in use is ensured.

The stiff end of telescopic link 1 and bottom plate 3 upper surface fixed connection, the lower fixed surface of bottom plate 3 has a plurality of universal wheel 2, and the device of being convenient for removes.

The lower extreme of curtain 4 corresponds the position of fixed rotary rod 17 and folding rotary rod 8 and is fixed with first hanger plate 19 and second hanger plate 20 respectively, and first hanger plate 19 and second hanger plate 20 are the magnet board, and this first hanger plate 19 of projection curtain and second hanger plate 20 can guarantee that curtain 4 hangs down naturally when curtain 4 uses, make the projection quality higher, when accomodating simultaneously, two hanger plates can also adsorb together, curtain 4 the fold appears when avoiding the roll-up.

It has logical groove to accomodate casing 21 upper surface near its L shape open-ended position, it has side cover plate 14 to lead to sliding connection, the lower fixed surface of side cover plate 14 upper end and baffle 16 is connected, baffle 16 is the magnet board, accomodate casing 21 side and correspond the position of logical groove and seted up the screw hole, screw hole and logical groove intercommunication, threaded hole is provided with bolt 15, the one end of bolt 15 and the side contact of baffle 16, when launching this device, it takes side cover plate 14 out from the logical inslot of accomodating casing 21 upper surface to grip baffle 16, then it is fixed with side cover plate 14 to screw bolt 15, this projection curtain side cover plate 14 can seal the side of accomodating casing 21 when curtain 4 does not use, can keep curtain 4 clean and tidy on the one hand, can also avoid curtain 4 to fall out the damage when accomodating simultaneously.

Damping rotating shaft: the rotating shaft structure can stay at any angle and has certain resistance.

When in use: after moving the device to suitable position, pull open telescopic link 1, and rotatory storage housing 21 is by vertical direction to horizontal direction, later grip baffle 16 and take out side cover plate 14 from the logical inslot of storage housing 21 upper surface, then screw bolt 15 and fix side cover plate 14, press external switch and open motor 25, motor 25 drives round platform 23 and rotates, round platform 23 drives folding rotary rod 8 and fixed rotary rod 17 and rotates, thereby make curtain 4 slowly put down, after curtain 4 puts down completely, motor 25 stall, it is rotatory and expandes around hinge 12 to grip folding rotary rod 8, make absorbent first hanger plate 19 and the separation of second hanger plate 20, when folding rotary rod 8 and fixed rotary rod 17 level, curtain 4 expandes completely.

When the device is to be folded, the folding rod 10 is taken out from the buckle 24, then the folding rod is made to slide down along the round hole on the fixed block 13 in a vertical state, then the folding rotary rod 8 is held to rotate a certain angle around the hinge 12, the curtain 4 effectively avoids the occurrence of wrinkles under the shielding effect of the folding rod 10, then the folding rod 10 is taken out, the folding rod 10 is rotatably clamped in the buckle 24, then the folding rotary rod 8 is continuously rotated to enable the first hanging plate 19 and the second hanging plate 20 to be adsorbed, the clamping block 5 is clamped in the clamping groove on the side surface of the round platform 23, the friction force between the rubber block 22 and the groove 6 can limit the clamping block 5 to be separated from the round platform 23, at the moment, the external control switch is controlled to open the motor 25, the motor 25 drives the folding rotary rod 8 and the fixed rotary rod 17 to rotate, so as to withdraw the curtain 4, then the bolt 15 is unscrewed, and, so that the shutter 16 and the housing case 21 are adsorbed; the rotary receiving case 21 is rotated from the horizontal direction to the vertical direction.

The utility model discloses can carry out twice folding to curtain 4 and accomodate, can make the curtain 4 of carrying bigger under same volume of accomodating, it is convenient to expand simultaneously, easy to operate, and it is very humanized to use.

When the curtain 4 is folded, the folding rod 10 hangs down, so that the curtain 4 can be prevented from being folded at the middle part of the curtain 4 in the storage process, and the projection quality in use is ensured.

First hanger plate 19 and second hanger plate 20 can guarantee that curtain 4 hangs down naturally when curtain 4 uses for projection quality is higher, and simultaneously when accomodating, two hanger plates can also adsorb together, and the fold appears in curtain 4 when avoiding the roll-up.

The side cover plate 14 can seal the side of the storage case 21 when the curtain 4 is not in use, so that the curtain 4 can be kept clean and tidy, and meanwhile, the curtain 4 can be prevented from falling out and being damaged when being stored.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a projection curtain, includes telescopic link (1), curtain (4) and offers L shape open-ended storage housing (21), its characterized in that: the flexible end side of telescopic link (1) is rotated through the side of damping pivot and circle piece (11) and is connected, the another side of circle piece (11) and the one end fixed connection who accomodates the vertical side of casing (21), the one end of accomodating casing (21) and keeping away from circle piece (11) is fixed with motor casing (18), motor casing (18) internal fixation has motor (25), the input of motor (25) is connected with external power source's output electricity, the power output shaft of motor (25) and the side fixed connection of round platform (23), and round platform (23) are located and accomodate casing (21) inside, the another side of round platform (23) and the one end fixed connection of fixed rotary rod (17), hinge (12) horizontal rotation is passed through to the other end of fixed rotary rod (17) and the one end of folding rotary rod (8) and is connected, curtain (4) upper end respectively with the bottom side of fixed rotary rod (17) and the bottom side of dismantling of folding rotary rod (8) can dismantle And (4) connecting.

2. The projection curtain of claim 1, wherein: the upper end of the curtain (4) is fixed with a plurality of sticking blocks (7), the sticking blocks (7) are magic tape pieces, and the bottom sides of the folding rotary rod (8) and the fixed rotary rod (17) are both fixed with magic tape female pieces matched with the magic tape pieces.

3. The projection curtain of claim 1, wherein: one end of the folding rotary rod (8) far away from the round block (11) is fixedly connected with one side of the clamping block (5), two grooves (6) with opposite positions are formed in the side face of the clamping block (5), clamping grooves corresponding to the clamping block (5) are formed in the round platform (23), and rubber blocks (22) are fixed in the clamping grooves at positions corresponding to the two grooves (6).

4. The projection curtain of claim 1, wherein: accomodate casing (21) upper surface and be close to the one end fixed connection of position and fixed block (13) lower surface of hinge (12), the last fixed surface of fixed block (13) has two relative buckles (24), and the one end of accomodating casing (21) is kept away from to fixed block (13) upper surface has seted up the through-hole, and sliding connection has folding rod (10) in the through-hole, and folding rod (10) lower extreme is rotated through the pivot with the upper end of sill bar (9) and is connected.

5. The projection curtain of claim 1, wherein: the fixed end of telescopic link (1) and bottom plate (3) upper surface fixed connection, the lower fixed surface of bottom plate (3) has a plurality of universal wheel (2).

6. The projection curtain of claim 1, wherein: the lower extreme of curtain (4) corresponds the position of fixed rotary rod (17) and folding rotary rod (8) and is fixed with first hanger plate (19) second hanger plate (20) respectively, and just first hanger plate (19) and second hanger plate (20) are the magnet board.

7. The projection curtain of claim 1, wherein: the upper surface of the storage shell (21) is close to the position of the L-shaped opening of the storage shell, a through groove is formed in the upper surface of the storage shell (21), a side cover plate (14) is connected in the through groove in a sliding mode, the upper end of the side cover plate (14) is fixedly connected with the lower surface of a baffle plate (16), the baffle plate (16) is a magnet plate, a threaded hole is formed in the side surface of the storage shell (21) corresponding to the through groove, the threaded hole is communicated with the through groove, a bolt (15) is arranged in the threaded hole.

8. The projection curtain of claim 6 or 7, wherein: the material of the containing shell (21) is steel.