Automatic lifting projection curtain mechanism

Abstract

The utility model discloses an automatic lifting projection curtain mechanism which comprises a bottom frame, the bottom frame comprises an inner sliding rail support and an outer sliding rail support which are in sliding fit with each other, the middle of the outer sliding rail support is fixedly connected with a bottom frame driver, the bottom frame driver is in sliding connection with a driver sliding block, and the top of the driver sliding block is fixedly connected with a connecting plate. The two ends of the connecting plate are fixedly connected with the two sides of the inner sliding rail support respectively. The lifting mechanism comprises a first support and a second support, the middle of the first support is rotationally connected with the middle of the second support, the bottom of the first support is rotationally connected with the lower plate, the top of the first support is slidably connected with the upper plate through a first sliding unit, the bottom of the second support is slidably connected with the lower plate through a second sliding unit, and the top of the second support is rotationally connected with the upper plate. The height and distance of the curtain can be adjusted, so that the use requirements of different users can be met, and the curtain can be stored under furniture when not in use, so that the space can be saved, and the curtain is attractive.

Description

Technical Field

[0001] The utility model relates to the technical field of projection screens, in particular to an automatic lifting projection screen mechanism. Background Art

[0002] There are more and more types of projectors on the market, and the picture clarity is getting higher and higher, but the projection screens that are compatible with them have not kept pace with the times and are scarce. The existing projection screens are currently only wall-mounted and floor-lifting. Once they are fixed in position, it is very troublesome to move or reposition them, and they take up a lot of space, which has a great impact on space and aesthetics. At the same time, the projection screens on the market cannot move forward and backward, up and down, and users cannot freely adjust the height and distance, so they are less practical.

[0003] Based on the above situation, the utility model proposes an automatic lifting projection screen mechanism, which can effectively solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic lifting projection screen mechanism. The utility model provides an automatic lifting projection screen mechanism, which can control the height and distance of the screen to meet the needs of different users, and can be stored under furniture when not in use, which can save space and look beautiful.

[0005] The utility model is realized by the following technical solutions:

[0006] An automatic lifting projection screen mechanism, comprising

[0007] The chassis comprises an inner slide rail bracket and an outer slide rail bracket which are slidably matched with each other, the middle of the outer slide rail bracket is fixedly connected with a chassis driver, the chassis driver is slidably connected with a driver slider, the top of the driver slider is fixedly connected with a connecting plate, and the two ends of the connecting plate are respectively fixedly connected with the two sides of the inner slide rail bracket;

[0008] The lifting mechanism comprises a bracket 1 and a bracket 2, wherein the middle portion of the bracket 1 is rotatably connected to the middle portion of the bracket 2, the bottom of the bracket 1 is rotatably connected to the lower plate, the top of the bracket 1 is slidably connected to the upper plate via a first sliding unit, the bottom of the bracket 2 is slidably connected to the lower plate via a second sliding unit, and the top of the bracket 2 is rotatably connected to the upper plate; the bottom of the bracket 1 is rotatably connected to a lifting driver, the telescopic end of the lifting driver is rotatably connected to one end of a support sheet, and the other end of the support sheet is rotatably connected to the bracket 2;

[0009] The curtain mechanism comprises a curtain shell and a curtain top cover, wherein a curtain roller is rotatably connected inside the curtain shell, the curtain roller is fixedly connected to the output end of a roller motor, a curtain is fixedly wound on the curtain roller, the top of the curtain is fixedly connected to the curtain top cover, and a rotating support arm is connected between the curtain shell and the curtain top cover.

[0010] According to the above technical solution, as a further preferred technical solution of the above technical solution, the first sliding unit and the second sliding unit are both provided with a sliding bracket, the sliding bracket has a slot, a connecting shaft is provided in the slot, both ends of the connecting shaft are respectively connected to pulley bearings, and the pulley bearings are connected to the top of bracket one or the bottom of bracket two.

[0011] According to the above technical solution, as a further preferred technical solution of the above technical solution, casters are respectively provided on both sides of the bottom of the lower plate.

[0012] According to the above technical solution, as a further preferred technical solution of the above technical solution, the lower plate is fixedly connected to the inner slide rail bracket.

[0013] According to the above technical solution, as a further preferred technical solution of the above technical solution, the upper plate is fixedly connected to the curtain shell.

[0014] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0015] The utility model provides an automatic lifting projection screen mechanism, which can control the height and distance of the screen to meet the use needs of different users, and can be stored under furniture when not in use, which can save space and look beautiful. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model in a raised state;

[0017] Figure 2 It is a structural schematic diagram of the utility model in a folded state. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments. However, it should be understood that the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationship described in the drawings is only used for illustrative purposes and cannot be understood as a limitation on this patent.

[0019] An automatic lifting projection screen mechanism, comprising

[0020] The chassis comprises an inner slide rail bracket 1 and an outer slide rail bracket 2 which are slidably matched with each other, a chassis driver 3 is fixedly connected to the middle of the outer slide rail bracket 2, a driver slider 4 is slidably connected to the chassis driver 3, a connecting plate 5 is fixedly connected to the top of the driver slider 4, and two ends of the connecting plate 5 are respectively fixedly connected to two sides of the inner slide rail bracket 1;

[0021] By setting up the base frame, under the mutual cooperation between the inner slide rail bracket 1, the outer slide rail bracket 2, the base frame driver 3, the driver slider 4 and the connecting plate 5 of the base frame, when the base frame driver 3 drives the driver slider 4 to move forward, the driver slider 4 slides on the base frame driver 3, which can drive the inner slide rail bracket 1 to slide forward (backward), thereby pushing the lifting mechanism and the curtain mechanism forward or backward.

[0022] The lifting mechanism comprises a bracket 1 6 and a bracket 2 7, wherein the middle portion of the bracket 1 6 is rotatably connected to the middle portion of the bracket 2 7, the bottom of the bracket 1 6 is rotatably connected to the lower plate 8, the top of the bracket 1 6 is slidably connected to the upper plate 9 via a first sliding unit, the bottom of the bracket 2 7 is slidably connected to the lower plate 8 via a second sliding unit, and the top of the bracket 2 7 is rotatably connected to the upper plate 9; the bottom of the bracket 1 6 is rotatably connected to a lifting driver 11, the telescopic end of the lifting driver 11 is rotatably connected to one end of a support sheet 12, and the other end of the support sheet 12 is rotatably connected to the bracket 2 7;

[0023] By setting up a lifting mechanism, under the mutual cooperation among the bracket 1 6, the bracket 2 7, the lower plate 8, the first sliding unit, the upper plate 9, the second sliding unit, the lifting driver 11 and the supporting plate 12 of the lifting mechanism, when the lifting driver 11 is extended (contracted), under the action of the bracket 1 6 and the bracket 2 7, the upper plate 9 and the lower plate 8 are stretched (contracted), and the distance becomes farther (closer), so that the curtain mechanism can be raised and lowered.

[0024] The curtain mechanism includes a curtain shell 13 and a curtain top cover 14. A curtain roller 15 is rotatably connected inside the curtain shell 13. The curtain roller 15 is fixedly connected to the output end of a roller motor 16. A curtain 17 is fixedly wound on the curtain roller 15. The top of the curtain 17 is fixedly connected to the curtain top cover 14. A rotating support arm 18 is connected between the curtain shell 13 and the curtain top cover 14.

[0025] When the roller motor 16 of the curtain mechanism rotates to release the curtain, the support arm 18 can prop up and open the curtain top cover 14; when the roller motor 16 of the curtain mechanism rotates in the opposite direction to retract the curtain 17, the rotation of the roller motor 16 drives the curtain 17 to be retracted, and the support arm 18 is folded to pull the curtain top cover 14 down until the curtain top cover 14 and the curtain shell 13 are closed.

[0026] Furthermore, in another embodiment, the first sliding unit and the second sliding unit are both provided with a sliding bracket 19, the sliding bracket 19 is provided with a slot 20, a connecting shaft 21 is provided in the slot 20, both ends of the connecting shaft 21 are respectively connected to pulley bearings 22, and the pulley bearings 22 are connected to the top of bracket 1 6 or the bottom of bracket 2 7.

[0027] By setting the first sliding unit and the second sliding unit, when the upper plate 9 and the lower plate 8 are opened or closed, the top of the bracket 1 6 can slide back and forth along the sliding bracket 19 through the pulley bearing 22, and the bottom of the bracket 2 7 can slide back and forth along the sliding bracket 19 through the pulley bearing 22.

[0028] Further, in another embodiment, casters 10 are respectively provided on both sides of the bottom of the lower plate 8. By providing the casters 10, the force points can be balanced while the base frame is pushed forward, and the lifting mechanism and the curtain mechanism are supported to be pushed smoothly.

[0029] Furthermore, in another embodiment, the lower plate 8 is fixedly connected to the inner slide rail bracket 1 .

[0030] Furthermore, in another embodiment, the upper plate 9 is fixedly connected to the curtain shell 13 .

[0031] According to the description and drawings of the utility model, those skilled in the art can easily manufacture or use the automatic lifting projection screen mechanism of the utility model, and can produce the positive effects recorded in the utility model.

[0032] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationships are based on the orientation or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in conjunction with the drawings and according to specific circumstances.

[0033] Unless otherwise specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. An automatic lifting projection screen mechanism, characterized in that: include The chassis comprises an inner slide rail bracket (1) and an outer slide rail bracket (2) which are slidably matched with each other, the middle of the outer slide rail bracket (2) is fixedly connected to a chassis driver (3), the chassis driver (3) is slidably connected to a driver slider (4), the top of the driver slider (4) is fixedly connected to a connecting plate (5), and the two ends of the connecting plate (5) are respectively fixedly connected to the two sides of the inner slide rail bracket (1); The lifting mechanism comprises a bracket 1 (6) and a bracket 2 (7), wherein the middle part of the bracket 1 (6) is rotatably connected to the middle part of the bracket 2 (7), the bottom of the bracket 1 (6) is rotatably connected to the lower plate (8), the top of the bracket 1 (6) is slidably connected to the upper plate (9) via a first sliding unit, the bottom of the bracket 2 (7) is slidably connected to the lower plate (8) via a second sliding unit, and the top of the bracket 2 (7) is rotatably connected to the upper plate (9); the bottom of the bracket 1 (6) is rotatably connected to a lifting driver (11), the telescopic end of the lifting driver (11) is rotatably connected to one end of a support plate (12), and the other end of the support plate (12) is rotatably connected to the bracket 2 (7); A curtain mechanism comprises a curtain shell (13) and a curtain top cover (14); a curtain roller (15) is rotatably connected inside the curtain shell (13); the curtain roller (15) is fixedly connected to the output end of a roller motor (16); a curtain (17) is fixedly wound around the curtain roller (15); the top of the curtain (17) is fixedly connected to the curtain top cover (14); and a rotating support arm (18) is connected between the curtain shell (13) and the curtain top cover (14).

2. The automatic lifting projection screen mechanism according to claim 1, characterized in that: The first sliding unit and the second sliding unit are both provided with a sliding bracket (19), the sliding bracket (19) is provided with a notch (20), a connecting shaft (21) is provided in the notch (20), both ends of the connecting shaft (21) are respectively connected to pulley bearings (22), and the pulley bearings (22) are connected to the top of the bracket one (6) or the bottom of the bracket two (7).

3. The automatic lifting projection screen mechanism according to claim 1, characterized in that: Casters (10) are respectively arranged on both sides of the bottom of the lower plate (8).

4. The automatic lifting projection screen mechanism according to claim 1, characterized in that: The lower plate (8) is fixedly connected to the inner slide rail bracket (1).

5. The automatic lifting projection screen mechanism according to claim 1, characterized in that: The upper plate (9) is fixedly connected to the curtain outer shell (13).

Images