CN219936276U

CN219936276U - Projection curtain

Info

Publication number: CN219936276U
Application number: CN202320802383.9U
Authority: CN
Inventors: 顾中华; 王越; 殷乾焜
Original assignee: Yancheng Hemingting Media Co ltd
Current assignee: Yancheng Hemingting Media Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-10-31
Anticipated expiration: 2033-04-12

Abstract

The utility model relates to the technical field of projection display devices and discloses a projection curtain, which comprises a projection curtain component, wherein the back of the projection curtain component is provided with a wall body, the projection curtain component is fixedly arranged on the surface of the wall body, the projection curtain component comprises an outer box, a cloth roller is movably sleeved in the outer box, the side wall of the cloth roller is wound with a main curtain, a motor is fixedly arranged on one side of the outer box, an output shaft of the motor is connected with the cloth roller, a traction roller component is internally arranged in the outer box, and the cloth roller is in transmission connection with the traction roller component through a linkage mechanism.

Description

Projection curtain

Technical Field

The utility model relates to the technical field of projection display devices, in particular to a projection curtain.

Background

Projection screens are tools used in movies, offices, home theatres, large conferences, etc. to display images, video files. The screen is divided into a plurality of specifications and sizes, and the selection of different space projection screens is different.

The existing projection curtain has some defects, the situation that dust is attached to the surface of one projection curtain affects the watching effect in long-term use, the two projection curtains are quite inconvenient in cleaning, however, when the curtain is located at a relatively position in use and watching, the curtain is inclined downwards to reach the optimal watching effect, and the curtain can only be vertical under the influence of gravity after being unfolded, so that the watching effect cannot be affected by the inclination adjustment.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a projection curtain, which solves the problems that dust attached to the surface of the projection curtain in the prior art is troublesome to clean and the inclination of the projection curtain cannot be adjusted.

The utility model provides the following technical scheme: the utility model provides a projection curtain, includes projection curtain subassembly, projection curtain subassembly back is equipped with the wall body, projection curtain subassembly is at wall body fixed surface installation, projection curtain subassembly is including outer box, the inside activity of outer box has cup jointed the cloth roller, cloth roller lateral wall winds has main curtain, outer box one side fixed mounting has the motor, the motor output shaft is connected with the cloth roller, outer box internally mounted has the pull roll subassembly, the cloth roller passes through the link gear transmission with the pull roll subassembly and is connected, outer box bottom is equipped with the opening, the notch with the opening intercommunication has all been seted up to outer box both sides, and its notch department is equal fixed mounting has the curb plate, two the ash removal mechanism is installed to curb plate medial surface, ash removal mechanism passes through drive gear with the pull roll subassembly and is connected, main curtain bottom passes pull roll subassembly and ash removal mechanism to outer box outside, the balancing weight is installed to main curtain bottom.

Further, the guide roller is movably sleeved in the outer box, the main curtain is wound by the bottom of the guide roller, and the guide roller is positioned at the top of the traction roller assembly.

Further, the pull roll assembly includes: the main roller and the auxiliary roller are movably sleeved at the inner wall of the outer box, the side walls of the main roller and the auxiliary roller are fixedly connected with first gears, and the two first gears are meshed with each other.

Further, the linkage mechanism comprises two belt pulleys, the two belt pulleys are fixedly connected with the side wall of the cloth roller and the side wall of the main roller respectively, and the two belt pulleys are in transmission connection through a transmission belt.

Further, the ash handling mechanism comprises two rotating shafts, the side walls of the two rotating shafts are fixedly connected with sponge sleeves, the side walls of the two rotating shafts are fixedly connected with second gears, and the two second gears are meshed with each other.

Further, one of the second gears is intermeshed with a transmission gear, and the transmission gear is intermeshed with the first gear.

Further, the balancing weight back is equipped with the cell box, the equal fixedly connected with fixed axle of both sides in its cell box, two the sleeve has all been cup jointed in the equal activity of fixed axle lateral wall, sleeve lateral wall fixedly connected with telescopic link, the telescopic link back end is connected with spherical connector, spherical connector back end fixed mounting has the mushroom head sucking disc.

Further, the spherical connector is including the connecting ball, connecting ball back fixedly connected with spliced pole, mushroom head sucking disc is at spliced pole lateral wall fixed mounting, spherical hole has been seted up to the telescopic link back end, the connecting ball is at spherical downthehole activity cup joint.

The utility model has the technical effects and advantages that:

according to the utility model, the motor is used for providing power to drive the cloth roller to rotate so as to realize the winding and unwinding of the main curtain and achieve the effect of winding and unwinding the main curtain, and the dust removing mechanism can be used for simultaneously winding and unwinding the main curtain, so that dust on the surface of the main curtain is cleaned, the traditional manual cleaning mode is replaced, the main curtain is more labor-saving and rapid, and the inclination of the unwound main curtain can be adjusted by matching the telescopic rod, the spherical connector, the mushroom head sucker and the wall body, so that the main curtain can be more suitable for the viewing angle of people and is more suitable for human engineering.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an exploded view of the overall structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;

FIG. 5 is a schematic view of the bottom end structure of the main curtain of FIG. 2 according to the present utility model;

fig. 6 is a schematic view of the structure of the ball joint in fig. 2 according to the present utility model.

The reference numerals are: 1. a projection curtain assembly; 2. a wall body; 11. an outer case; 12. a motor; 13. a cloth roller; 14. a guide roller; 15. a linkage mechanism; 16. a pull roll assembly; 17. a side plate; 18. an ash removal mechanism; 19. a main curtain; 20. a transmission gear; 21. balancing weight; 22. a fixed shaft; 23. a telescopic rod; 24. a spherical joint; 25. a mushroom head suction cup; 26. a sleeve; 151. a belt pulley; 161. a main roller; 162. a sub roller; 163. a first gear; 181. a rotating shaft; 182. a sponge sleeve; 183. a second gear; 241. a connecting ball; 242. and (5) connecting the columns.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings.

Referring to fig. 1, 2, 3, 4 and 5, the utility model provides a projection curtain, which comprises a projection curtain component 1, wherein the back of the projection curtain component 1 is provided with a wall body 2, the projection curtain component 1 is fixedly arranged on the surface of the wall body 2, the projection curtain component 1 comprises an outer box 11, a cloth roller 13 is movably sleeved in the outer box 11, a main curtain 19 is wound on the side wall of the cloth roller 13, a motor 12 is fixedly arranged on one side of the outer box 11, an output shaft of the motor 12 is connected with the cloth roller 13, a traction roller component 16 is internally arranged in the outer box 11, the cloth roller 13 is in transmission connection with the traction roller component 16 through a linkage mechanism 15, an opening is formed in the bottom of the outer box 11, notches communicated with the opening are formed in two sides of the outer box 11, side plates 17 are fixedly arranged at the notches, an ash removing mechanism 18 is arranged on the inner side surfaces of the two side plates 17 and is in transmission connection with the traction roller component 16 through a transmission gear 20, the bottom end of the main curtain 19 passes through the traction roller component 16 and the ash removing mechanism 18 to the outside of the outer box 11, and a balancing weight 21 is arranged at the bottom of the main curtain 19.

Referring to fig. 2 and 3, the outer case 11 is movably sleeved with the guide roller 14, the main curtain 19 is wound around the bottom of the guide roller 14, the guide roller 14 is positioned at the top of the traction roller assembly 16, and the guide roller 14 can play a role in guiding the main curtain 19.

Referring to fig. 3 and 4, the pull roll assembly 16 includes: the main roller 161 and the auxiliary roller 162 are movably sleeved at the inner wall of the outer box 11, the first gears 163 are fixedly connected to the side walls of the main roller 161 and the auxiliary roller 162, the two first gears 163 are meshed with each other, the main roller 161 is enabled to rotate under the transmission influence of the linkage mechanism 15, the main roller 161 and the auxiliary roller 162 can rotate in opposite directions simultaneously according to the meshing relationship of the two first gears 163, and when the main curtain 19 passes through between the main roller 161 and the auxiliary roller 162, the traction effect of the traction roller assembly 16 on the main curtain 19 is achieved through the friction effect of the main roller 161 and the auxiliary roller 162 on the surface of the main curtain 19.

Referring to fig. 3, the linkage mechanism 15 includes two pulleys 151, where the two pulleys 151 are fixedly connected to the side wall of the cloth roller 13 and the side wall of the main roller 161 respectively, the two pulleys 151 are in transmission connection through a transmission belt, and the traction roller assembly 16 is driven to operate to draw the main curtain 19 when the cloth roller 13 rotates through the transmission relationship of the pulleys 151.

Referring to fig. 4, the dust removing mechanism 18 includes two rotating shafts 181, the side walls of the two rotating shafts 181 are fixedly connected with a sponge sleeve 182, the side walls of the two rotating shafts 181 are fixedly connected with a second gear 183, the two second gears 183 are meshed with each other, when the main curtain 19 passes through the gap between the two sponge sleeves 182, the two sponge sleeves 182 are respectively contacted with the front surface and the rear surface of the main curtain 19, and the two rotating shafts 181 rotate in opposite directions under the influence of the transmission gear 20 through the meshing relationship of the two second gears 183, so that the sponge sleeves 182 rotate along with the rotation of the two rotating shafts, and the cleaning effect on the surface of the main curtain 19 can be achieved according to the material characteristics of the sponge sleeves 182.

Referring to fig. 4, a second gear 183 is meshed with the transmission gear 20, the transmission gear 20 is meshed with the first gear (163), and the second gear 183 is driven to rotate by the transmission gear 20, so that the effect that the transmission gear 20 transmits the pull roll assembly 16 and the ash removing mechanism 18 is achieved.

Referring to fig. 5, a groove box is arranged at the back of the balancing weight 21, fixed shafts 22 are fixedly connected to two sides in the groove box, sleeves 26 are movably sleeved on the side walls of the two fixed shafts 22, telescopic rods 23 are fixedly connected to the side walls of the sleeves 26, spherical connectors 24 are connected to the back ends of the telescopic rods 23, mushroom head suckers 25 are fixedly arranged at the back ends of the spherical connectors 24, the balancing weight 21 is pulled by controlling the length of the telescopic rods 23 through sucking the mushroom head suckers 25 and the surface of the wall 2, so that the bottom end of the main curtain 19 is displaced backwards, the unfolded main curtain 19 is inclined downwards to a certain degree, the viewing angle of a person is urgent, and when the adjustment is not needed, the telescopic rods 23, the spherical connectors 24 and the sleeves 26 can be hidden in the groove box at the back of the balancing weight 21 through rotating the sleeves 26, so that the aesthetic degree is improved;

referring to fig. 6, the ball-shaped connector 24 includes a connecting ball 241, a connecting post 242 is fixedly connected to the back of the connecting ball 241, the mushroom head suction cup 25 is fixedly mounted on the side wall of the connecting post 242, a ball-shaped hole is formed at the back end of the telescopic rod 23, and the connecting ball 241 is movably sleeved in the ball-shaped hole, so that the ball-shaped connector 24 can perform angle adjustment, and the mushroom head suction cup 25 and the wall 2 are always in a vertical state.

The working principle of the utility model is as follows: when the motor 12 drives the cloth roller 13 to rotate for unreeling or reeling, the linkage effect of the linkage mechanism 15 drives the traction roller assembly 16 to retract and unreel the main curtain 19, and the linkage effect of the transmission gear 20 enables the traction roller assembly 16 to drive the dust removing mechanism 18 to operate to roll and brush dust on the surface of the main curtain 19 while the traction roller assembly is used for towing the main curtain 19, so that the dust removing mechanism 18 and the cloth roller 13 synchronously operate for reeling and unreeling, the automatic dust cleaning effect on the surface of the main curtain 19 is achieved, the dust cleaning operation is not needed to be participated manually, and when the inclination of the unfolded main curtain 19 is controlled, the adsorption effect of the mushroom head sucker 25 on the surface of the wall body 2 is mainly achieved, the expansion rod 23 is regulated to stretch, the pulling effect is achieved on the bottom end of the main curtain 19, and the inclination of the main curtain 19 is controlled.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. The present utility model is not limited to the above-described embodiments, and the above-described embodiments and descriptions merely illustrate the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A projection curtain, characterized in that: comprises a projection curtain component (1), wherein the back of the projection curtain component (1) is provided with a wall body (2), the projection curtain component (1) is fixedly arranged on the surface of the wall body (2), the projection curtain component (1) comprises an outer box (11), a cloth roller (13) is movably sleeved in the outer box (11), the side wall of the cloth roller (13) is wound with a main curtain (19), one side of the outer box (11) is fixedly provided with a motor (12), the output shaft of the motor (12) is connected with a cloth roller (13), a traction roller assembly (16) is arranged in the outer box (11), the cloth roller (13) is connected with the traction roller assembly (16) in a transmission way through a linkage mechanism (15), an opening is arranged at the bottom of the outer box (11), notches communicated with the opening are arranged at two sides of the outer box (11), the notch positions of the dust removing device are fixedly provided with side plates (17), the inner side surfaces of the two side plates (17) are provided with dust removing mechanisms (18), the ash removing mechanism (18) is in transmission connection with the traction roller assembly (16) through a transmission gear (20), the bottom end of the main curtain (19) passes through the traction roller assembly (16) and the ash removing mechanism (18) to the outside of the outer box (11), a balancing weight (21) is arranged at the bottom end of the main curtain (19).

2. The projection screen of claim 1, wherein: the outer box (11) is movably sleeved with a guide roller (14), the main curtain (19) is wound around the bottom of the guide roller (14), and the guide roller (14) is positioned at the top of the traction roller assembly (16).

3. The projection screen of claim 1, wherein: the pull roll assembly (16) comprises: the novel roller comprises a main roller (161) and an auxiliary roller (162), wherein both ends of the main roller (161) and both ends of the auxiliary roller (162) are movably sleeved on the inner wall of the outer box (11), the side walls of the main roller (161) and the auxiliary roller (162) are fixedly connected with first gears (163), and the two first gears (163) are meshed with each other.

4. A projection curtain according to claim 3, characterized in that: the linkage mechanism (15) comprises two belt pulleys (151), the two belt pulleys (151) are fixedly connected with the side wall of the main roller (161) respectively at the side wall of the cloth roller (13), and the two belt pulleys (151) are in transmission connection through a transmission belt.

5. The projection screen of claim 1, wherein: the dust removing mechanism (18) comprises two rotating shafts (181), the side walls of the two rotating shafts (181) are fixedly connected with sponge sleeves (182), the side walls of the two rotating shafts (181) are fixedly connected with second gears (183), and the two second gears (183) are meshed with each other.

6. The projection screen of claim 5, wherein: one of the second gears (183) intermeshes with a transmission gear (20), and the transmission gear (20) intermeshes with the first gear (163).

7. The projection screen of claim 1, wherein: the balancing weight (21) back is equipped with the frid, the equal fixedly connected with fixed axle (22) of both sides in its frid, two sleeve (26) have all been cup jointed in the activity of fixed axle (22) lateral wall, sleeve (26) lateral wall fixedly connected with telescopic link (23), telescopic link (23) back end is connected with spherical connector (24), spherical connector (24) back end fixed mounting has mushroom head sucking disc (25).

8. The projection screen of claim 7, wherein: the ball-shaped connector (24) comprises a connecting ball (241), the back of the connecting ball (241) is fixedly connected with a connecting column (242), the mushroom head sucker (25) is fixedly arranged on the side wall of the connecting column (242), the back end of the telescopic rod (23) is provided with a ball-shaped hole, and the connecting ball (241) is movably sleeved in the ball-shaped hole.