Projection curtain structure

Abstract

The utility model relates to the technical field of projection curtain structures, and discloses a projection curtain structure which comprises a support, a motor is fixedly assembled on the outer wall of the support, a first gear is fixedly assembled on an output shaft of the motor, a second gear is meshed with the outer wall of the first gear, and a body is arranged on the outer wall of the second gear. A balance weight strip is fixedly assembled on the outer wall of the body, a limiting rod is fixedly assembled on the outer wall of the support, and a rotating plate is rotationally connected to the outer wall of the limiting rod. Through the arrangement of a support, a motor, a first gear, a second gear, a limiting rod, a body and a motor structure, in the body releasing and winding process of the structure, a dust removal cylinder can rotate to conduct dust cleaning operation on the outer wall of the body, and therefore the situation that the projection effect is affected due to the fact that too much dust adheres to the body is avoided; therefore, the practicability and the projection effect of the structure are improved, and the automation of the structure is also improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a projection curtain structure technical field, concretely to a projection curtain structure. BACKGROUND

[0002] The projection curtain is used in the movie, office, home theater, large meeting and so on, is used to show the tool of image, video file, divides many kinds of specifications size.

[0003] The existing projection curtain can play the projection effect in the use process, but the existing projection cloth cannot automatically clean the dust on the curtain surface in the process of storage and release, thereby reducing the projection effect and practicality of the existing projection curtain in the use process, and the projection curtain structure is provided. UTILITY MODEL CONTENT

[0004] In view of the deficiency of prior art, the utility model provides a projection curtain structure, has automatic cleaning dust, automation is high, practicality is strong, and stability is high, solves the problem raised in the above background art.

[0005] The utility model provides following technical scheme: a projection curtain structure, including support, the outer wall of support is equipped with motor fixedly, the output shaft of motor is equipped with gear wheel no.

[0006] As a preferred technical scheme of the utility model: the inner wall of guide rail and the outer wall of counterweight strip are slidably connected, the outer wall of gear wheel no.

[0007] As a preferred technical scheme of the utility model: the top of support inner wall is equipped with storage groove, and the diameter of storage groove is adapted to the diameter of counterweight strip.

[0008] As a preferred technical scheme of the utility model: the outer wall of dust removal cylinder and the outer wall of body are overlapped, and one end of stretch spring away from mounting plate is connected with one end of rotating plate away from strong magnet.

[0009] As a preferred technical scheme of the utility model: the electromagnet is attracted by the strong magnet after being electrified, and the end of the rotating plate far from the strong magnet is connected with the outer wall of the gear two at this time.

[0010] As a preferred technical scheme of the utility model: the outer wall of the support is fixedly provided with a controller, and the controller is electrically connected with the motor and the electromagnet.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1、The projection screen structure, through setting up the support, motor, gear one, gear two, limiting rod, body, motor structure, make the structure in the process of releasing and winding the body, the dust removal cylinder all will rotate and carry out dust cleaning operation to the outer wall of the body, thereby avoid the body to stick too much dust and influence the projection effect, further improve the practicality and projection effect of the structure, also improve the automation of the structure.

[0013] 2、The projection screen structure, through setting up the strong magnet, electromagnet, positioning plate, rotating plate, gear two, round hole, rotating groove structure, make the structure after winding the body, the user can make the extension spring pull the rotating plate to rotate and make the rotating plate and the outer wall of the gear two connect through the power-off of the electromagnet, thereby realize the effect of locking the gear two, further improve the stability of the structure. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is the side view structure schematic view of the utility model;

[0016] Figure 3 It is the rotating groove structure schematic view of the utility model;

[0017] Figure 4 It is the body structure schematic view of the utility model;

[0018] Figure 5 It is the utility model Figure 4 The enlarged structure schematic view of A in the utility model.

[0019] In the drawing: 1, support;2, motor;3, gear one;4, gear two;5, rotating plate;6, mounting plate;7, guide rail;8, counterweight strip;9, rotating groove;10, round hole;11, body;12, dust removal cylinder;13, positioning plate;14, electromagnet;15, strong magnet;16, extension spring;17, limiting rod. DETAILED DESCRIPTION

[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0021] Please refer to Figures 1-5 A projection screen structure, comprising a support 1, the outer wall of the support 1 is fixedly provided with a motor 2, the output shaft of the motor 2 is fixedly provided with a gear one 3, the outer wall of the gear one 3 is engaged with a gear two 4, the outer wall of the gear two 4 is provided with a body 11, the outer wall of the body 11 is fixedly provided with a counterweight strip 8, the outer wall of the support 1 is fixedly provided with a limiting rod 17, the outer wall of the limiting rod 17 is rotatably connected with a rotating plate 5, the outer wall of the rotating plate 5 is fixedly provided with a strong magnet 15, the outer wall of the support 1 is further fixedly provided with a mounting plate 6 and a positioning plate 13 respectively, the outer wall of the mounting plate 6 is provided with a tension spring 16, the outer wall of the positioning plate 13 is fixedly provided with an electromagnet 14, the outer wall of the gear one 3 is fixedly provided with a dust removal cylinder 12, the outer wall of the support 1 is respectively provided with a rotating groove 9 and a circular hole 10, the inner walls of the two sides of the support 1 are both fixedly provided with a guide rail 7.

[0022] In the above structure, the support 1, the motor 2, the gear one 3, the gear two 4, the rotating plate 5, the positioning plate 13, the electromagnet 14, the limiting rod 17, the tension spring 16 and the mounting plate 6 are arranged, so that the rotating plate 5 is overlapped with the outer wall of the gear two 4 by the pulling of the tension spring 16 during use, so that the gear two 4 and the winding rod cannot rotate when the body 11 is stored, thereby ensuring the storage effect of the structure on the body 11, and improving the stability of the structure.

[0023] In a preferred embodiment, the inner wall of the guide rail 7 is slidably connected with the outer wall of the counterweight strip 8, the outer wall of the gear two 4 is fixedly provided with a winding rod, and the outer wall of the winding rod is rotatably connected with the inner wall of the rotating groove 9.

[0024] In the above structure, the winding rod and the rotating groove 9 are arranged, so that the body 11 can be wound or stored by the rotation of the winding rod during operation of the structure, thereby improving the automation of the structure, and the dust removal cylinder 12 is also rotated by the gear one 3 during operation, so that the rotation of the dust removal cylinder 12 can clean the outer wall of the body 11, thereby avoiding the adhesion of dust on the surface of the body 11 to affect the projection effect, and improving the practicability and video projection effect of the structure.

[0025] In a preferred embodiment, a storage groove is formed in the top of the inner wall of the support 1, and the diameter of the storage groove is matched with the diameter of the counterweight strip 8.

[0026] In the above structure, through the accommodation groove structure, the body 11 can accommodate the counterweight strip 8 through the accommodation groove after winding, so as to avoid the counterweight strip 8 from affecting the overall appearance of the structure for a long time, and the gravity of the counterweight strip 8 can straighten the body 11, so as to avoid the body 11 from being wrinkled after release, and further improve the projection effect of the structure.

[0027] In a preferred embodiment: the outer wall of the dust removal cylinder 12 is connected with the outer wall of the body 11, and one end of the tension spring 16 away from the mounting plate 6 is connected with one end of the rotating plate 5 away from the strong magnet 15.

[0028] In the above structure, through the body 11 and the dust removal cylinder 12 structure, the dust removal cylinder 12 can rotate during the winding and release of the body 11, so that the outer side of the body 11 can be cleaned by the dust removal cylinder 12, and the cleaning effect of the dust removal cylinder 12 on the body 11 is improved.

[0029] In a preferred embodiment: the electromagnet 14 is attracted to the strong magnet 15 after being energized, and at this time, one end of the rotating plate 5 away from the strong magnet 15 is connected with the outer wall of the gear two 4.

[0030] In the above structure, through the electromagnet 14 and the strong magnet 15 structure, when the body 11 needs to be released, the user can make the rotating plate 5 rotate by energizing the electromagnet 14 to make one end of the rotating plate 5 away from the electromagnet 14 disengage from the gear two 4, so that the limiting effect of the gear two 4 disappears, so that the motor 2 can drive the gear two 4 to rotate when working, and the automatic release and accommodation effect of the body 11 is realized, and the automation and stability of the body 11 after being accommodated are improved.

[0031] In a preferred embodiment: the outer wall of the bracket 1 is fixedly provided with a controller, and the controller is electrically connected with the motor 2 and the electromagnet 14 respectively.

[0032] In the above structure, through the controller structure, the user can control the working state of the structure through the controller, so as to facilitate the user to operate, and further improve the practicability of the structure.

[0033] Working principle: first, the user will be assembled after the structure is completed, the body 11 does not need to be released, the body 11 is in the state of winding, at this time the electromagnet 14 is in the state of power off, so the pulling force of the tension spring 16 will make the rotating plate 5 away from the one end of the positioning plate 13 and the outer wall of the gear two 4 lap, can make the gear two 4 and dust removal cylinder 12 cannot rotate, so as to ensure that the body 11 will not produce loose condition, thereby improving the stability of the structure to the winding of the body 11, and in need of releasing the body 11, the power on of the electromagnet 14 makes the rotating plate 5 away from the gear two 4, so that the motor 2 operation can drive the gear two 4 to rotate through the gear one 3, so that the winding rod releases the body 11, and the body 11 in the release process, the dust removal cylinder 12 will rotate synchronously with the gear one 3, thereby making the dust removal cylinder 12 to the outside of the body 11 cleaning operation, thereby improving the projection effect of the structure.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A projection screen structure comprising a support (1), characterized in that: The outer wall of the support (1) is fixedly provided with a motor (2), the output shaft of the motor (2) is fixedly provided with a gear one (3), the outer wall of the gear one (3) is engaged with a gear two (4), the outer wall of the gear two (4) is provided with a body (11), the outer wall of the body (11) is fixedly provided with a counterweight strip (8), the outer wall of the support (1) is fixedly provided with a limiting rod (17), the outer wall of the limiting rod (17) is rotatably connected with a rotating plate (5), the outer wall of the rotating plate (5) is fixedly provided with a strong magnet (15), the outer wall of the support (1) is also fixedly provided with a mounting plate (6) and a positioning plate (13) respectively, the outer wall of the mounting plate (6) is provided with a tension spring (16), the outer wall of the positioning plate (13) is fixedly provided with an electromagnet (14), the outer wall of the gear one (3) is fixedly provided with a dust removal cylinder (12), the outer wall of the support (1) is provided with a rotating groove (9) and a circular hole (10) respectively, and the inner walls of the two sides of the support (1) are both fixedly provided with guide rails (7).

2. The projection screen structure of claim 1, wherein: The inner wall of the guide rail (7) is slidably connected with the outer wall of the counterweight strip (8), and the outer wall of the gear two (4) is fixedly provided with a winding rod, and the outer wall of the winding rod is rotatably connected with the inner wall of the rotating groove (9).

3. The projection screen structure of claim 1, wherein: The top of the inner wall of the support (1) is provided with a receiving groove, and the diameter of the receiving groove is matched with the diameter of the counterweight strip (8).

4. The projection screen structure of claim 1, wherein: The outer wall of the dust removal cylinder (12) is overlapped with the outer wall of the body (11), one end of the tension spring (16) away from the mounting plate (6) is connected with one end of the rotating plate (5) away from the strong magnet (15).

5. The projection screen structure of claim 1, wherein: The electromagnet (14) is attracted to the strong magnet (15) after being electrified, and at this time, one end of the rotating plate (5) away from the strong magnet (15) is overlapped with the outer wall of the gear two (4).

6. The projection screen structure of claim 1, wherein: The outer wall of the support (1) is fixedly provided with a controller, and the controller is electrically connected with the motor (2) and the electromagnet (14) respectively.

Images