CN220519845U

CN220519845U - Projection curtain coiling mechanism

Info

Publication number: CN220519845U
Application number: CN202322192285.0U
Authority: CN
Inventors: 刘梓阳
Original assignee: Qiqihar Qisan Machine Tool Co Ltd
Current assignee: Qiqihar Qisan Machine Tool Co Ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-02-23
Anticipated expiration: 2033-08-15

Abstract

The utility model belongs to the field of projection curtain winding equipment, in particular to a projection curtain winding device, which aims at the problems that the existing winding device can clean the surface of a curtain through brush rollers in a collecting box, but the brush rollers have a certain wear degree after long-time use and need to be replaced regularly.

Description

Projection curtain coiling mechanism

Technical Field

The utility model relates to the technical field of projection curtain winding equipment, in particular to a projection curtain winding device.

Background

Projection screens are tools used in movies, offices, home theatres, large conferences, etc. to display images, video files. The screen with wide viewing angle and low gain is suitable for viewing in narrow and long space to select the screen with narrow viewing angle and high gain, and meanwhile, the screen with proper gain is selected to help to improve the contrast of the screen, increase the gray level of the image, make the color vivid and increase the observability of the image.

Through retrieving, chinese patent publication No. CN 216310524U's patent discloses a projection curtain coiling mechanism, including the rolling box, the inboard rotation of rolling box is connected and is equipped with the winding roller, the outside rotation of winding roller is cup jointed and is equipped with two baffles, one side of winding roller is fixed and is equipped with the knob, the inboard of rolling box is fixed and is equipped with stop gear, the upside detachable connection of rolling box is equipped with the dust and collects the box, the inboard of dust is collected the box and is fixed and is equipped with a plurality of scrapers, the inboard of dust is collected the box and is located the top rotation of scraper blade and connect and be equipped with a plurality of brush rollers, the outside of winding roller is fixed and is equipped with the curtain, the curtain runs through one side of rolling box, the clean box and extends to outside, the fixed connecting plate that is equipped with in top of curtain, this projection curtain coiling mechanism, rolling convenient and fast, simple structure is ingenious, can carry out the curtain cleaning during the rolling.

The following problems exist in the technical scheme:

although the surface of the curtain can be cleaned through the brush roller in the collecting box, the brush roller has a certain wear degree after long-time use and needs to be replaced regularly, and the brush roller is not convenient to replace when the brush roller needs to be replaced because the brush roller is rotationally connected in the collecting box;

aiming at the problems, the utility model provides a projection curtain winding device.

Disclosure of Invention

The utility model provides a projection curtain winding device, which solves the defects that in the prior art, although the surface of a curtain can be cleaned through a brush roller in a collecting box, the brush roller has a certain wear degree after long-time use and needs to be replaced regularly, and the brush roller is connected in the collecting box in a rotating way, so that the brush roller is inconvenient to replace when the brush roller needs to be replaced.

The utility model provides the following technical scheme:

the utility model provides a projection curtain coiling mechanism, includes wind-up box, motor, wind-up roll, two brush rollers and curtain main part, one side of motor and one side fixed connection of wind-up box, the both ends of wind-up roll rotate with the both sides inner wall of wind-up box respectively and are connected, the output of motor and one end fixed connection of wind-up roll, the bottom of wind-up box is equipped with the mounting panel, the moving mouth has been seted up on the mounting panel, the one end of curtain main part and one side of wind-up roll are adhered mutually, the one end of curtain main part runs through the moving mouth, the bottom fixedly connected with counter weight strip of curtain main part;

the fixing mechanism is arranged in the winding box and used for fixing the brush roller.

In a possible design, fixed establishment is including two first plectanes, two second plectanes, two first inserted blocks, two second inserted blocks, fixed plate and movable plate, one side of fixed plate and one side inner wall fixed connection of rolling case, the top of movable plate and the bottom sliding connection of fixed plate, one side of two first plectanes all rotates with one side inner wall of rolling case to be connected, one side of two first inserted blocks respectively with one side fixed connection of two first plectanes, one side of two second plectanes all rotates with one side of movable plate to be connected, one side of two second inserted blocks respectively with one side fixed connection of two second plectanes, the socket has all been seted up at the both ends of brush roller, peg graft respectively in first inserted block and second inserted block, the curtain main part is located between two brush rollers, one side fixedly connected with fixed strip of movable plate, be equipped with the bolt on the fixed strip, bolt and fixed strip threaded connection.

In one possible design, a protective cover for protecting the motor is arranged on one side of the winding box, and the protective cover is fixed on the winding box through screws.

In one possible design, the mounting plate is fixed to the bottom of the winding box by screws.

In one possible design, the bottom of the movable plate is provided with a sliding groove, the top of the movable plate is fixedly connected with a sliding block, and the top of the sliding block is in sliding connection with the inner wall of the sliding groove.

In one possible design, a heat dissipation port for facilitating heat dissipation of the motor is formed on one side of the protective cover.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

According to the utility model, one end of the brush roller is inserted into the first inserting block, the second circular plate is driven to move by the movement of the moving plate, the second inserting block is driven to move by the movement of the second circular plate, so that the second inserting block is inserted into the socket at the other end of the brush roller, and then the bolt is rotated, so that one end of the bolt is tightly attached to one side of the fixing plate, thereby fixing the brush roller and facilitating the replacement of the brush roller;

according to the utility model, the motor can be protected through the protective cover, so that the service life is prolonged;

the utility model has reasonable structure, can fix the brush roller through the fixing mechanism, is convenient for replacing the brush roller, can protect the motor through the protective cover, and prolongs the service life.

Drawings

Fig. 1 is a schematic diagram of a front view structure of a winding device for a projection curtain according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a side view structure of an interior of a winding box of a winding device for a projection curtain according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of a front view structure of an interior of a winding box of a winding device for a projection curtain according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a separation state of a mounting plate and a winding box of a winding device for a projection curtain according to an embodiment of the present utility model;

fig. 5 is a schematic side view of a fixing mechanism of a winding device for a projection curtain according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a first circular plate, an insert block and a brush roller of the projection curtain winding device according to an embodiment of the present utility model.

Reference numerals:

1. a winding box; 2. a curtain body; 3. a counterweight bar; 4. a protective cover; 5. a mounting plate; 6. a motor; 7. a wind-up roll; 8. a fixing plate; 9. a brush roller; 10. a first circular plate; 11. a moving plate; 12. a second circular plate; 13. a screw; 14. a chute; 15. a second insert block; 16. a first plug; 17. a fixing strip; 18. a bolt; 19. and a heat radiation port.

Detailed Description

Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.

In embodiments of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the embodiment of the present utility model, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

Example 1

Referring to fig. 1-6, a projection curtain winding device comprises a winding box 1, a motor 6, a winding roller 7, two hairbrush rollers 9 and a curtain main body 2, wherein one side of the motor 6 is fixedly connected with one side of the winding box 1, two ends of the winding roller 7 are respectively and rotatably connected with inner walls of two sides of the winding box 1, an output end of the motor 6 is fixedly connected with one end of the winding roller 7, a mounting plate 5 is arranged at the bottom of the winding box 1, a moving opening is formed in the mounting plate 5, one end of the curtain main body 2 is adhered with one side of the winding roller 7, one end of the curtain main body 2 penetrates through the moving opening, and a counterweight bar 3 is fixedly connected with the bottom end of the curtain main body 2;

the fixing mechanism is arranged in the winding box 1 and used for fixing the brush roller 9.

Above-mentioned technical scheme can be fixed brush roller 9 through fixed establishment, and is convenient for change brush roller 9, can protect motor 6 through protection casing 4, increase of service life.

Referring to fig. 1-6, the fixing mechanism comprises two first circular plates 10, two second circular plates 12, two first inserting blocks 16, two second inserting blocks 15, a fixing plate 8 and a moving plate 11, wherein one side of the fixing plate 8 is fixedly connected with one side inner wall of the winding box 1, the top of the moving plate 11 is slidably connected with the bottom of the fixing plate 8, one side of the two first circular plates 10 is rotatably connected with one side inner wall of the winding box 1, one side of the two first inserting blocks 16 is fixedly connected with one side of the two first circular plates 10 respectively, one side of the two second circular plates 12 is rotatably connected with one side of the moving plate 11, one side of the two second inserting blocks 15 is fixedly connected with one side of the two second circular plates 12 respectively, two ends of the brush roller 9 are provided with sockets, two ends of the brush roller 9 are respectively inserted into the first inserting blocks 16 and the second inserting blocks 15, the cloth main body 2 is positioned between the two brush rollers 9, one side of the moving plate 11 is fixedly connected with a fixing strip 17, and bolts 18 and 18 are arranged on the fixing strip 17 in threaded connection with the fixing strip 17.

According to the technical scheme, one end of the brush roller 9 is inserted into the first inserting block 16, the moving plate 11 is moved, the moving plate 11 moves to drive the second circular plate 12 to move, the second circular plate 12 moves to drive the second inserting block 15 to enable the second inserting block 15 to be inserted into a socket at the other end of the brush roller 9, then the bolt 18 is rotated, one end of the bolt 18 is tightly attached to one side of the fixing plate 8, and therefore the brush roller 9 can be fixed, and the brush roller 9 is convenient to replace.

Example 2

Referring to fig. 2, a protection cover 4 for protecting a motor 6 is provided at one side of the winding box 1, and the protection cover 4 is fixed on the winding box 1 by screws.

According to the technical scheme, the motor 6 can be protected through the protective cover 4, and the service life is prolonged.

Referring to fig. 4, the mounting plate 5 is fixed to the bottom of the winding box 1 by screws 13.

Above-mentioned technical scheme mounting panel 5 passes through screw 13 to be fixed in the bottom of wind-up box 1, can be convenient for change brush roller 9.

Referring to fig. 5, a sliding groove 14 is formed in the bottom of the moving plate 11, a sliding block is fixedly connected to the top of the moving plate 11, and the top of the sliding block is slidably connected with the inner wall of the sliding groove 14.

According to the technical scheme, friction force can be reduced when the movable plate 11 moves through the sliding groove 14 and the sliding block, and the movement is smoother.

Referring to fig. 2, a heat radiation port 19 for facilitating heat radiation of the motor 6 is formed at one side of the shield 4.

The above technical solution can facilitate heat dissipation of the motor 6 through the heat dissipation port 19.

However, as well known to those skilled in the art, the working principle and the wiring method of the motor 6 are common, which are all common means or common knowledge, and are not described herein in detail, and any choice can be made by those skilled in the art according to the needs or convenience thereof.

The working principle and the using flow of the technical scheme are as follows: when in use, the winding roller 7 is driven to rotate through the rotation of the output end of the motor 6, the winding roller 7 can wind the curtain main body 2, in the winding process, the hairbrush roller 9 can clean the surface of the curtain main body 2, when the hairbrush roller 9 needs to be replaced, the screw 13 on the mounting plate 5 is firstly detached, the mounting plate 5 is slowly put down, at the moment, the curtain main body 2 is positioned in the moving opening of the mounting plate 5, then the bolt 18 is rotated, one end of the bolt 18 leaves one side of the fixed plate 8, then the hairbrush roller 9 is held by hand, the moving plate 11 is pulled to one side by the other hand, the movement of the moving plate 11 drives the movement of the second circular plate 12, the movement of the second circular plate 12 drives the movement of the second inserting block 15, the second inserting block 15 is separated from the inserting opening of the brush roller 9, the brush roller 9 is pulled by hand, the other end of the brush roller 9 is separated from the first inserting block 16, then the brush roller 9 is taken down, a new brush roller 9 is taken, one end of the brush roller 9 is inserted into the first inserting block 16, the moving plate 11 is moved, the moving plate 11 drives the second circular plate 12 to move, the second circular plate 12 drives the second inserting block 15 to move, the second inserting block 15 is inserted into the inserting opening at the other end of the brush roller 9, then the bolt 18 is rotated, one end of the bolt 18 is tightly attached to one side of the fixing plate 8, the brush roller 9 can be fixed, the brush roller 9 is convenient to replace, and finally the mounting plate 5 is mounted on the winding box 1.

The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present utility model, and the changes or substitutions are intended to be covered by the scope of the present utility model; embodiments of the utility model and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. A projection curtain wind-up device, comprising:

the novel curtain comprises a winding box (1), a motor (6), a winding roller (7), two hairbrush rollers (9) and a curtain main body (2), wherein one side of the motor (6) is fixedly connected with one side of the winding box (1), two ends of the winding roller (7) are respectively and rotatably connected with inner walls of two sides of the winding box (1), an output end of the motor (6) is fixedly connected with one end of the winding roller (7), a mounting plate (5) is arranged at the bottom of the winding box (1), a moving opening is formed in the mounting plate (5), one end of the curtain main body (2) is adhered with one side of the winding roller (7), one end of the curtain main body (2) penetrates through the moving opening, and a counterweight bar (3) is fixedly connected with the bottom end of the curtain main body (2);

the fixing mechanism is arranged in the winding box (1) and used for fixing the brush roller (9).

2. The projection curtain winding device according to claim 1, wherein the fixing mechanism comprises two first circular plates (10), two second circular plates (12), two first inserting blocks (16), two second inserting blocks (15), a fixing plate (8) and a moving plate (11), one side of the fixing plate (8) is fixedly connected with one side inner wall of the winding box (1), the top of the moving plate (11) is slidably connected with the bottom of the fixing plate (8), one side of the two first circular plates (10) is rotatably connected with one side inner wall of the winding box (1), one side of the two first inserting blocks (16) is fixedly connected with one side of the two first circular plates (10), one side of the two second circular plates (12) is rotatably connected with one side of the moving plate (11), one side of the two second inserting blocks (15) is fixedly connected with one side of the two second circular plates (12), two ends of the brush roller (9) are respectively provided with sockets, one side of the two first inserting blocks (16) and one side of the brush roller (9) are respectively connected with two bolts (17) between the two main bodies (17) which are fixedly connected with the two first inserting blocks (16) and the two main bodies (17), the bolt (18) is in threaded connection with the fixing strip (17).

3. The projection curtain winding device according to claim 1, characterized in that a protective cover (4) for protecting the motor (6) is arranged on one side of the winding box (1), and the protective cover (4) is fixed on the winding box (1) through screws.

4. A projection curtain winding device according to claim 1, characterized in that the mounting plate (5) is fixed to the bottom of the winding box (1) by means of screws (13).

5. The projection curtain winding device according to claim 2, wherein a sliding groove (14) is formed in the bottom of the moving plate (11), a sliding block is fixedly connected to the top of the moving plate (11), and the top of the sliding block is slidably connected with the inner wall of the sliding groove (14).

6. A projection curtain winding device according to claim 3, characterized in that a heat radiation opening (19) for facilitating heat radiation of the motor (6) is arranged on one side of the protective cover (4).