CN210181383U

CN210181383U - Multimedia projection curtain

Info

Publication number: CN210181383U
Application number: CN201921309706.0U
Authority: CN
Inventors: Zhaoping Wang; 王兆平; Dong Wang; 王栋
Original assignee: Yancheng Ciic Iot Technology Co Ltd
Current assignee: Yancheng Ciic Iot Technology Co Ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-03-24
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a multimedia projection curtain, the on-line screen storage device comprises a base, the top intermediate position fixedly connected with threaded motor of base, threaded motor's output shaft fixedly connected with threaded spindle, threaded motor's top is provided with first support column, the thread groove has been seted up to the bottom of first support column. The utility model discloses in, when using, along with the start-up of tubular motor, the film curtain is from showing in the film curtain shell, after that according to the position of projecting apparatus projection play picture, start threaded motor and drive the screw spindle and rotate, the screw spindle through with the screw thread groove between rotate drive first support column and fixed plate rise or descend, thereby adjust the height of film curtain, because the gag lever post embedding of second support column bottom setting is at the spacing inslot of spacing post, so worry not that the film curtain takes place rotatoryly, the horizontal position of film curtain can conveniently be adjusted to the universal wheel through the base bottom, finally transfer to the position corresponding with the projecting apparatus.

Description

Multimedia projection curtain

Technical Field

The utility model relates to a projection technology field especially relates to a multimedia projection curtain.

Background

In the modern society, the projection screen and the projector in an office place, a teaching place or an entertainment place can be seen everywhere, the development of projection equipment greatly facilitates the living and office needs of people, and the information transmission efficiency is improved;

present projection screen is mostly only fixed at a certain fixed position, inconvenient adjustment height and position, especially when having put the projecting apparatus at every time, because the projection screen is fixed at fixed position, can only let the position of the manual many times adjustment of high department in the eminence of people's station, it is very inconvenient, on the other hand, because blackboard and projection screen are generally all in similar position when teaching, the chalk dust can inevitable fall on the projection screen, can influence the display effect of projection screen for a long time, and the projection screen on the existing market does not be equipped with the measure of clearance dust.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a multimedia projection curtain.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a multimedia projection curtain comprises a base, wherein a threaded motor is fixedly connected to the middle position of the top of the base, a threaded shaft is fixedly connected to an output shaft of the threaded motor, a first supporting column is arranged at the top of the threaded motor, a threaded groove is formed in the bottom of the first supporting column, the threaded groove is in threaded connection with the threaded shaft, a fixing plate is fixedly connected to the top end of the first supporting column, a second supporting column is fixedly connected to two positions, close to the edge, of the bottom end of the fixing plate, a limiting rod is fixedly connected to the bottom end of the second supporting column, a limiting column is arranged at the bottom of the second supporting column, a limiting groove is formed in the top of the limiting column, the limiting rod is connected with the limiting groove in an embedded mode, the top of the limiting column is fixedly connected with the base, and sound boxes are fixedly connected between the base and the limiting column and between the second supporting column and the, the bottom of fixed plate is provided with the film curtain shell, four buffer spring of top fixedly connected with of film curtain shell, and four buffer spring are located the bottom both sides of film curtain shell respectively, the opening part of film curtain shell is provided with wipes grey sponge.

Further, four branches are fixedly connected to the top of the base, and four universal wheels are fixedly connected to the ends, far away from the base, of the branches.

Further, the inside fixedly connected with tubular motor of film curtain shell, the output shaft of tubular motor is fixed even has the film curtain, the one end and the baffle fixed connection between the tubular motor are kept away from to the film curtain.

Furthermore, a connecting rod is fixedly connected between the screen shell and the fixing plate.

Further, a control box is fixedly connected between the base and the threaded motor.

Furthermore, one side of the control box far away from the thread motor is fixedly connected with a power line, and one end of the power line far away from the control box is fixedly connected with a plug.

The utility model discloses following beneficial effect has:

1. this kind of multimedia projection curtain, along with tubular motor's start-up, the movie curtain is from showing in the movie curtain shell, after that, according to the position of projecting out the picture of projecting apparatus projection, start threaded motor and drive the screw spindle and rotate, the screw spindle through with the screw thread groove between rotate drive first support column and fixed plate rise or descend, thereby the height of adjustment movie curtain, because the gag lever post embedding of second support column bottom setting is at the spacing inslot of spacing post, so do not worry that the movie curtain takes place rotatoryly, the horizontal position of movie curtain can conveniently be adjusted to the universal wheel through the base bottom, finally transfer to the position corresponding with the projecting apparatus.

2. This multimedia projection curtain, because this equipment self is equipped with four stereo sets so still can promote the tone quality of equipment itself widely under the condition that the mobility promoted to see shadow amusement or teaching experience for a better for the user, be provided with the ash sponge of wiping in addition because of the opening part of shadow curtain shell, so can keep the display effect of shadow curtain lastingly, thereby promote the life of shadow curtain.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a schematic structural diagram of a point a in fig. 2 according to the present invention.

Illustration of the drawings:

1. a base; 2. a thread motor; 3. a threaded shaft; 4. a first support column; 5. a thread groove; 6. a limiting column; 7. a limiting groove; 8. a control box; 9. a limiting rod; 10. a second support column; 11. a fixing plate; 12. a connecting rod; 13. a universal wheel; 14. a screen housing; 15. a buffer spring; 16. a film screen; 17. a baffle plate; 18. sounding; 19. ash-wiping sponge; 20. a tubular motor.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a multimedia projection curtain comprises a base 1, a threaded motor 2 is fixedly connected with the middle position of the top of the base 1, a threaded shaft 3 is fixedly connected with an output shaft of the threaded motor 2, a first support column 4 is arranged on the top of the threaded motor 2, a threaded groove 5 is formed in the bottom of the first support column 4, the threaded groove 5 is in threaded connection with the threaded shaft 3, a fixed plate 11 is fixedly connected with the top end of the first support column 4, a second support column 10 is fixedly connected with two positions, close to the edge, of the bottom end of the fixed plate 11, a limiting rod 9 is fixedly connected with the bottom end of the second support column 10, a limiting column 6 is arranged at the bottom of the second support column 10, a limiting groove 7 is formed in the top of the limiting column 6, the limiting rod 9 is connected with the limiting groove 7 in an embedded manner, the top of the limiting column 6 is fixedly connected with the base 1, a sound 18 is fixedly connected between the base 1 and the limiting column, the bottom of fixed plate 11 is provided with film curtain shell 14, and four buffer spring 15 of top fixedly connected with of film curtain shell 14, and four buffer spring 15 are located the bottom both sides of film curtain shell 14 respectively, and the opening part of film curtain shell 14 is provided with wipes grey sponge 19.

The top of the base 1 is fixedly connected with four supporting rods, and one ends of the four supporting rods, which are far away from the base 1, are fixedly connected with universal wheels 13, so that the mobility of the equipment is convenient to promote; the inside of the film screen shell 14 is fixedly connected with a tubular motor 20, the output shaft of the tubular motor 20 is fixedly connected with a film screen 16, one end of the film screen 16 far away from the tubular motor 20 is fixedly connected with a baffle 17, the film screen shell 14 reduces the falling of external dust on the film screen 16, and the tubular motor 20 can increase the contraction speed of the film screen 16; a connecting rod 12 is fixedly connected between the film screen shell 14 and the fixing plate 11, so that the film screen shell 14 can be conveniently fixed; a control box 8 is fixedly connected between the base 1 and the thread motor 2, and a control mainboard is arranged in the control box 8, so that the equipment can be conveniently controlled; one side fixedly connected with power cord that threaded motor 2 was kept away from to control box 8, the one end fixedly connected with plug that control box 8 was kept away from to the power cord makes equipment switch on.

The working principle is as follows: when a multimedia projection curtain is used, the whole equipment is powered on through a plug, the threaded shaft 3 is driven to rotate by starting the threaded motor 2 under the control of the control main board in the control box 8 along with the starting of the tubular motor 20, the screen 16 is unfolded from the screen shell 14 according to the position of a picture projected by the projector, the threaded shaft 3 drives the first support column 4 and the fixed plate 11 to ascend or descend through the rotation between the threaded shaft 3 and the threaded groove 5, so that the height of the screen 16 is adjusted, because the limiting rod 9 arranged at the bottom end of the second support column 10 is embedded in the limiting groove 7 of the limiting column 6, the screen 16 does not need to be worried about the rotation, the horizontal position of the screen 16 can be conveniently adjusted through the universal wheel 13 at the bottom of the base 1, and finally adjusted to the position corresponding to the projector, in addition, because the equipment is provided with four sound boxes 18 and is connected with the data of the equipment through the projector, the tone quality of equipment itself can be promoted widely to a better sight shadow amusement or teaching experience for the user, moreover because of the opening part of film curtain shell 14 is provided with wipe grey sponge 19, so can keep the display effect of film curtain 16 lastingly, when film curtain 16 withdraws to film curtain shell 14 in, the inertia that produces when buffer spring 15 on film curtain shell 14 can alleviate partial contraction so that protect film curtain 16, thereby the life of lifting means has certain practicality.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.

Claims

1. A multimedia projection curtain, includes base (1), its characterized in that: the top middle position of the base (1) is fixedly connected with a threaded motor (2), an output shaft of the threaded motor (2) is fixedly connected with a threaded shaft (3), the top of the threaded motor (2) is provided with a first support column (4), the bottom of the first support column (4) is provided with a threaded groove (5), the threaded groove (5) is in threaded connection with the threaded shaft (3), the top end of the first support column (4) is fixedly connected with a fixed plate (11), two positions of the bottom end of the fixed plate (11) close to the edge are fixedly connected with a second support column (10), the bottom end of the second support column (10) is fixedly connected with a limiting rod (9), the bottom of the second support column (10) is provided with a limiting column (6), the top of the limiting column (6) is provided with a limiting groove (7), the limiting rod (9) is connected with the limiting groove (7) in an embedding manner, fixed connection between the top of spacing post (6) and base (1), equal fixedly connected with stereo set (18) between base (1) and spacing post (6) and between second support column (10) and fixed plate (11), the bottom of fixed plate (11) is provided with film curtain shell (14), four buffer spring (15) of top fixedly connected with of film curtain shell (14), and four buffer spring (15) are located the bottom both sides of film curtain shell (14) respectively, the opening part of film curtain shell (14) is provided with wipes grey sponge (19).

2. The multimedia projection curtain as recited in claim 1, wherein: the top of base (1) is fixedly connected with four branches, four the equal fixedly connected with universal wheel (13) of one end that base (1) was kept away from to branch.

3. The multimedia projection curtain as recited in claim 1, wherein: the inside fixedly connected with tubular motor (20) of film curtain shell (14), the output shaft of tubular motor (20) is fixed even has film curtain (16), fixed connection between one end and baffle (17) of keeping away from tubular motor (20) of film curtain (16).

4. The multimedia projection curtain as recited in claim 1, wherein: a connecting rod (12) is fixedly connected between the screen shell (14) and the fixing plate (11).

5. The multimedia projection curtain as recited in claim 1, wherein: and a control box (8) is fixedly connected between the base (1) and the threaded motor (2).

6. The multimedia projection curtain of claim 5, wherein: one side fixedly connected with power cord that threaded motor (2) were kept away from in control box (8), the one end fixedly connected with plug of control box (8) is kept away from to the power cord.