CN215813720U

CN215813720U - Electric engineering curtain capable of transversely stretching

Info

Publication number: CN215813720U
Application number: CN202121766248.0U
Authority: CN
Inventors: 孟明义
Original assignee: Wuxi Yingguang Technology Development Co ltd
Current assignee: Wuxi Yingguang Technology Development Co ltd
Priority date: 2021-07-31
Filing date: 2021-07-31
Publication date: 2022-02-11
Anticipated expiration: 2031-07-31

Abstract

The utility model relates to a transversely telescopic electric engineering curtain which comprises a lifting assembly, a first curtain, a sand table, a second curtain, a rolling assembly, a pulling assembly and a controller, wherein the lifting assembly is used for lifting the first curtain, a first guide rail and a second guide rail are arranged above two sides of the sand table, the second curtain is arranged on the first guide rail and the second guide rail in a sliding mode, the rolling assembly and the pulling assembly are fixedly arranged at the bottom of the sand table, the rolling assembly is used for rolling the second curtain, the pulling assembly is used for pulling the second curtain open, the first curtain and the second curtain are L-shaped when being unfolded, and the controller controls the first curtain and the second curtain to be synchronously rolled and unrolled. The first curtain and the second curtain are arranged in an L shape, so that the watching effect of audiences can be improved. And the use of the sand table is not influenced when the visual effect is improved by the retraction and release of the second curtain.

Description

Electric engineering curtain capable of transversely stretching

Technical Field

The utility model relates to the technical field of transversely telescopic electric engineering curtains, in particular to a transversely telescopic electric engineering curtain.

Background

A projection screen, a screen dedicated to projection, is one of the most commonly used products in projector peripheral equipment. If the projection screen is properly matched with the projector, a high-quality projection effect can be obtained. Projection screens can be generally classified into a reflective type and a transmissive type in terms of functions; reflective for front projection and transmissive for rear projection; the positive projection screen is divided into a plane screen and an arc screen; and may be classified into a glass curtain, a metal curtain, an embossed plastic curtain, etc. in terms of texture. Generally, the picture effect of the hard curtain is better than that of the soft curtain. But the visual effect projected by a single suspension curtain is poor, and the stereoscopic impression is not enough. If a horizontal curtain is added on the sand table to enhance the visual effect, the using area of the sand table is affected.

Therefore, there is a need for a transversely retractable electric engineering curtain to solve the above problems in the prior art.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a can transversely flexible electronic engineering curtain, its includes lifting unit, first curtain, sand table, second curtain, rolling subassembly, pulls open subassembly and controller, lifting unit is used for going up and down first curtain, the both sides top of sand table is provided with first guide rail and second guide rail, the second curtain slides and sets up on first guide rail and the second guide rail, the bottom of sand table is fixed and is provided with rolling subassembly and the subassembly that pulls open, the rolling subassembly is used for the rolling the second curtain, the subassembly that pulls open is used for pulling open the second curtain, be the L type when first curtain and second curtain expand, controller control the rolling and the release of first curtain and second curtain are synchronous. That is to say, go up and down to first curtain through lifting unit, further stimulate the second curtain through pulling open the subassembly pulling stay cord and slide along first guide rail and second guide rail and realize pulling open the second curtain, accomplish the rolling to the second curtain through the rolling subassembly, set first curtain and second curtain to the L type and can improve spectator's viewing effect. And the use of the sand table is not influenced when the visual effect is improved by the retraction and release of the second curtain.

Further, as preferred, first notch and second notch are provided with to first guide rail and second guide rail inside, first notch and second notch are perpendicular, the inside slip of first notch is provided with the gyro wheel, the gyro wheel is fixed to be set up the front end of second curtain, the second curtain passes the second notch. That is to say, through the gyro wheel inside the first notch slip and pulling second curtain guarantee that the second curtain keeps leveling all the time when shrink with pulling open, guarantee to see the shadow effect.

Further, preferably, a pulling piece is arranged at the front end of the second curtain and is close to the second notch, a rope tying ring is arranged on the pulling piece, and a pull rope is fixedly arranged on the rope tying ring. Wherein, will draw the piece setting to be close to second notch department in order to guarantee that the stay cord does not influence the use of sand table.

Further, as preferred, the rolling subassembly includes first motor, first gear, chain, second gear and first base, the fixed first motor that is provided with on the first base, the output of first motor is provided with first gear, the second gear sets up the tip at first rolling axle, first gear and second gear pass through the chain is connected, the one end of second curtain is fixed to be set up on the first rolling axle. That is to say, the rotation through first motor drives first gear and rotates and further drives second gear through the chain and rotates, further drives first rolling axle and rotates and collect the second curtain.

Further, as preferred, the pulling assembly comprises a second base, a second motor and a rotating shaft, the second base is fixedly provided with the second motor, the output end of the second motor is fixedly provided with the rotating shaft, the rotating shaft is provided with a first wire rewinding device and a second wire rewinding device, and the first wire rewinding device and the second wire rewinding device are provided with the pulling ropes. That is to say, the rotation through the second motor drives the pivot and rotates, further drives first spooler and second spooler to the rolling of stay cord, realizes pulling open the second curtain.

Further, as preferred, lifting unit includes third motor, belt, first drive wheel, secondary drive wheel and second rolling axle, the output of first motor is connected with first drive wheel, the both ends of second rolling axle are provided with the bearing frame, be provided with the secondary drive wheel on the second rolling axle, first drive wheel and secondary drive wheel pass through the belt is connected. That is to say, the third motor rotates and drives first drive wheel and rotate, further drives the second drive wheel through the belt and rotates, realizes that second rolling axle rotates the rolling to first curtain.

Further, as a preferred option, one end of the first curtain cloth is fixedly arranged on the second winding shaft.

Further preferably, the rope is a wire rope. Wherein, the stay cord is set to be a steel wire rope in order to prevent the stay cord from breaking.

Preferably, a weight lever is fixedly disposed below the first screen cloth. Wherein, the fixed counterweight rod that sets up in the below of first curtain guarantees that first curtain surface is smooth after putting down.

The utility model has the beneficial effects that:

this device goes up and down to first curtain through lifting unit, further stimulates the second curtain to slide along first guide rail and second guide rail through pulling open the subassembly pulling stay cord and realize pulling open the second curtain, accomplishes the rolling to the second curtain through the rolling subassembly, sets first curtain and second curtain into the L type and can improve spectator's viewing effect. And the use of the sand table is not influenced when the visual effect is improved by the retraction and release of the second curtain. Through the gyro wheel inside the first notch slip and pulling second curtain guarantee that the second curtain keeps leveling all the time when shrink with pulling open, guarantee to see the shadow effect. The pulling piece is arranged close to the second notch so as to ensure that the pulling rope does not influence the use of the sand table.

Drawings

FIG. 1 is a schematic structural view of a transversely retractable electric engineering curtain according to the present invention;

FIG. 2 is a cross-sectional view of a first rail of a transversely extendable electric construction screen according to the present invention;

fig. 3 is an enlarged view of a transversely extendable and retractable electric engineering curtain middle pull 10 according to the present invention;

FIG. 4 is a schematic structural view of a winding assembly of the transversely retractable electric engineering curtain according to the present invention;

FIG. 5 is a schematic plan view of a pull-out assembly of a transversely extendable electric construction screen according to the present invention;

FIG. 6 is a schematic structural view of a lifting assembly of a transversely retractable electric engineering curtain according to the present invention;

in the figure: 1. a lifting assembly; 101. a third motor; 102. a belt; 103. a first drive pulley; 104. a bearing seat; 105. a second wind-up reel; 106. a second transmission wheel;

2. a first curtain; 3. a weight lever; 4. a sand table; 5. a first guide rail; 501. a first notch; 502. a second notch; 6. a second guide rail;

7. a winding component; 701. a first motor; 702. a first gear; 703. a chain; 704. a second gear; 705. a first winding shaft; 706. a first base;

8. pulling the assembly apart; 801. a second base; 802. a second motor; 803. a first wire rewinding device; 804. a second wire rewinding device; 805. a rotating shaft;

9. a second curtain; 10. pulling the piece; 11. a tether loop; 12. pulling a rope; 13. and a roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example (b): please refer to fig. 1-6, an electric engineering curtain capable of transversely stretching comprises a lifting component 1, a first curtain 2, a sand table 4, a second curtain 9, a rolling component 7, a pulling component 8 and a controller, wherein the lifting component 1 is used for lifting the first curtain 2, a first guide rail 5 and a second guide rail 6 are arranged above two sides of the sand table 4, the second curtain 9 is slidably arranged on the first guide rail 5 and the second guide rail 6, the bottom of the sand table 4 is fixedly provided with the rolling component 7 and the pulling component 8, the rolling component 7 is used for rolling the second curtain 9, the pulling component 8 is used for pulling the second curtain 9, the first curtain 2 and the second curtain 9 are in an L shape when being unfolded, and the controller controls the rolling and releasing of the first curtain 2 and the second curtain 9 to be synchronous. That is to say, go up and down to first curtain 2 through lifting unit 1, further stimulate second curtain 9 through pulling 8 pulling stay cords 12 of pulling apart and slide along first guide rail 5 and second guide rail 6 and realize pulling apart second curtain 9, accomplish the rolling to second curtain 9 through rolling subassembly 7, set first curtain 2 and second curtain 9 into the L type and can improve spectator's viewing effect. And the second curtain 9 can be retracted and released, so that the visual effect is improved, and the use of the sand table 4 is not influenced.

In this embodiment, the first and second guide rails 5 and 6 are internally provided with a first notch 501 and a second notch 502, the first notch 501 and the second notch 502 are perpendicular, the roller 13 is slidably arranged inside the first notch 501, the roller 13 is fixedly arranged at the front end of the second curtain 9, and the second curtain 9 passes through the second notch 502. That is to say, the roller 13 slides inside the first slot 501 and pulls the second curtain 9, so that the second curtain 9 is kept flat all the time when being retracted and pulled, and the film watching effect is ensured.

In this embodiment, a pulling member 10 is disposed at the front end of the second curtain 9, the pulling member 10 is close to the second notch 502, a rope fastening ring 11 is disposed on the pulling member 10, and a pulling rope 12 is fixedly disposed on the rope fastening ring 11. Wherein the pull member 10 is arranged close to the second notch 502 in order to ensure that the pull cord 12 does not interfere with the use of the sand table 4.

In this embodiment, the winding assembly 7 includes a first motor 701, a first gear 702, a chain 703, a second gear 704 and a first base 706, the first motor 701 is fixedly disposed on the first base 706, the first gear 702 is disposed at an output end of the first motor 701, the second gear 704 is disposed at an end of a first winding shaft 705, the first gear 702 and the second gear 704 are connected by the chain 703, and one end of the second curtain 9 is fixedly disposed on the first winding shaft 705. That is to say, the first motor 701 rotates to drive the first gear 702 to rotate, and further drives the second gear 704 to rotate through the chain 703, and further drives the first winding shaft 705 to rotate to wind the second curtain 9.

In this embodiment, the pulling-open assembly 8 includes a second base 801, a second motor 802 and a rotating shaft 805, the second base 801 is fixedly provided with the second motor 802, an output end of the second motor 802 is fixedly provided with the rotating shaft 805, the rotating shaft 805 is provided with a first wire rewinding device 803 and a second wire rewinding device 804, and the first wire rewinding device 803 and the second wire rewinding device 804 are provided with the pulling rope 12. That is to say, the rotation of the second motor 802 drives the rotating shaft 805 to rotate, and further drives the first wire rewinding device 803 and the second wire rewinding device 804 to rewind the pulling rope 12, so as to pull open the second curtain 9.

In this embodiment, lifting unit 1 includes third motor 101, belt 102, first drive wheel 103, second drive wheel 106 and second rolling axle 105, the output of first motor 101 is connected with first drive wheel 103, the both ends of second rolling axle 105 are provided with bearing frame 104, be provided with second drive wheel 106 on the second rolling axle 105, first drive wheel 103 and second drive wheel 106 pass through belt 102 connects. That is to say, the third motor 101 rotates to drive the first driving wheel 103 to rotate, and further drives the second driving wheel 106 to rotate through the belt 102, so as to wind the first screen cloth 2 by the rotation of the second winding shaft 105.

In this embodiment, one end of the first curtain 2 is fixedly disposed on the second winding shaft 105.

In this embodiment, the pull rope 12 is a steel wire rope. The rope 12 is provided as a wire rope to prevent the rope 12 from being broken.

In this embodiment, a weight lever 3 is fixedly disposed below the first curtain 2. Wherein, the fixed counterweight rod 3 that sets up in the below of first curtain 2 guarantees that first curtain 2 puts down the back surfacing.

The working principle of the utility model is as follows:

this device goes up and down to first curtain 2 through lifting unit 1, further stimulates second curtain 9 to slide along first guide rail 5 and second guide rail 6 and realize pulling open second curtain 9 through pulling open 8 pulling stay cords 12 of subassembly, accomplishes the rolling to second curtain 9 through rolling subassembly 7, sets first curtain 2 and second curtain 9 into the L type and can improve spectator's viewing effect. And the second curtain 9 can be retracted and released, so that the visual effect is improved, and the use of the sand table 4 is not influenced. The roller 13 slides in the first notch 501 and pulls the second curtain 9, so that the second curtain 9 is kept flat all the time when being contracted and pulled open, and the film watching effect is ensured. The provision of the pull member 10 adjacent the second notch 502 is to ensure that the pull cord 12 does not interfere with the use of the sand table 4.

The above examples are intended to further illustrate the present invention, but are not intended to limit the utility model to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood to be within the protection scope of the present invention.

Claims

1. The utility model provides a can transversely flexible electronic engineering curtain which characterized in that: which comprises a lifting component (1), a first curtain (2), a sand table (4), a second curtain (9), a rolling component (7), a pulling component (8) and a controller, the lifting component (1) is used for lifting the first curtain (2), a first guide rail (5) and a second guide rail (6) are arranged above two sides of the sand table (4), the second curtain (9) is arranged on the first guide rail (5) and the second guide rail (6) in a sliding way, the bottom of the sand table (4) is fixedly provided with the rolling component (7) and the pulling component (8), the rolling component (7) is used for rolling the second curtain (9), the pulling component (8) is used for pulling the second curtain (9), first curtain (2) and second curtain (9) are the L type when expanding, controller control the rolling of first curtain (2) and second curtain (9) and the synchronization of releasing.

2. The electric engineering curtain capable of transversely stretching and retracting as claimed in claim 1, wherein: first guide rail (5) and second guide rail (6) are inside to be provided with first notch (501) and second notch (502), first notch (501) and second notch (502) are perpendicular, the inside slip of first notch (501) is provided with gyro wheel (13), gyro wheel (13) are fixed to be set up the front end of second curtain (9), second curtain (9) pass second notch (502).

3. The electric engineering curtain capable of transversely stretching and retracting as claimed in claim 2, wherein: the front end of the second curtain (9) is provided with a pulling piece (10), the pulling piece (10) is close to the second notch (502), a rope tying ring (11) is arranged on the pulling piece (10), and a pull rope (12) is fixedly arranged on the rope tying ring (11).

4. The electric engineering curtain capable of transversely stretching and retracting as claimed in claim 3, wherein: the winding assembly (7) comprises a first motor (701), a first gear (702), a chain (703), a second gear (704) and a first base (706), the first motor (701) is fixedly arranged on the first base (706), the first gear (702) is arranged at the output end of the first motor (701), the second gear (704) is arranged at the end of a first winding shaft (705), the first gear (702) and the second gear (704) are connected through the chain (703), and one end of a second curtain (9) is fixedly arranged on the first winding shaft (705).

5. The electric engineering curtain capable of transversely stretching and retracting as claimed in claim 4, wherein: the pulling assembly (8) comprises a second base (801), a second motor (802) and a rotating shaft (805), the second motor (802) is fixedly arranged on the second base (801), the output end of the second motor (802) is fixedly provided with the rotating shaft (805), a first wire rewinding device (803) and a second wire rewinding device (804) are arranged on the rotating shaft (805), and the pulling rope (12) is arranged on the first wire rewinding device (803) and the second wire rewinding device (804).

6. The electric engineering curtain capable of transversely stretching and retracting as claimed in claim 5, wherein: lifting unit (1) includes third motor (101), belt (102), first drive wheel (103), second drive wheel (106) and second rolling axle (105), the output of third motor (101) is connected with first drive wheel (103), the both ends of second rolling axle (105) are provided with bearing frame (104), be provided with second drive wheel (106) on second rolling axle (105), first drive wheel (103) and second drive wheel (106) pass through belt (102) are connected.

7. The electric engineering curtain capable of transversely stretching and retracting as claimed in claim 6, wherein: one end of the first curtain (2) is fixedly arranged on the second winding shaft (105).

8. The electric engineering curtain capable of transversely stretching and retracting as claimed in claim 3, wherein: the pull rope (12) is a steel wire rope, wherein the pull rope (12) is arranged to be the steel wire rope so as to prevent the pull rope (12) from being broken.

9. The electric engineering curtain capable of transversely stretching and retracting as claimed in claim 2, wherein: and a balance weight rod (3) is fixedly arranged below the first curtain (2).