CN210573171U

CN210573171U - Light-resistant picture frame curtain for projector

Info

Publication number: CN210573171U
Application number: CN201922001000.4U
Authority: CN
Inventors: 周扬
Original assignee: Suzhou Yuanjun Electronic Technology Co Ltd
Current assignee: Rong Jianhua
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-05-19
Anticipated expiration: 2029-11-19

Abstract

The utility model is suitable for a projecting apparatus field provides a light-resistant frame curtain for projecting apparatus, including the top surface control piece, the bottom internal connection of top surface control piece has the installation piece, and the below of installation piece is fixed with the installation frame, the outside of installation frame is provided with the fastening block, the arrangement hole has been seted up to the inside of installation frame, the spacing groove has been seted up to the inboard of installation frame, and the internal connection of spacing groove has solid bottom shaft, the top internal connection of solid bottom shaft has the curtain surface course, and the end-to-end connection of curtain surface course has the rolling axle, the left end of rolling axle is connected with first commentaries on classics piece, the front side of second commentaries on classics piece is fixed with the fixed block, the rear side of clearance pole is connected with the cleaning block. This light-resistant frame curtain for projecting apparatus is convenient for fix a position the installation, and is convenient for clear up the frame curtain, can effectually prevent moreover that wind from blowing the curtain, prevents that the curtain from rocking, has guaranteed the projection effect greatly.

Description

Light-resistant picture frame curtain for projector

Technical Field

The utility model relates to a projecting apparatus technical field specifically is a light-resistant frame curtain for projecting apparatus.

Background

With the coming of the information era, the projection screen is widely applied to various display occasions, such as meeting rooms, command and control centers, training and education structures, exhibition halls, show windows and the like, and with the technological progress and the demands of people, the light-resistant picture frame curtain is one of the most common tools in the projector, the light-resistant picture frame curtain is made increasingly larger, and the quality requirement on the light-resistant picture frame curtain is stricter;

but common light-resistant frame curtain for projecting apparatus is not convenient for fix a position the installation, and is not convenient for clear up the frame curtain, can not effectually prevent moreover that wind from blowing the curtain, leads to the curtain to rock, influences the projection effect, consequently, we provide a light-resistant frame curtain for projecting apparatus to in the solution the problem of proposing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a light-resistant frame curtain for projecting apparatus to provide common light-resistant frame curtain for projecting apparatus among the above-mentioned background art and be not convenient for fix a position the installation, and be not convenient for clear up the frame curtain, can not effectually prevent moreover that wind from blowing the curtain, lead to the curtain to rock, influence the problem of projection effect.

In order to achieve the above object, the utility model provides a following technical scheme: a light-resistant frame curtain for a projector comprises a top surface control block, wherein an installation block is connected to the inside of the bottom of the top surface control block, an installation frame is fixed below the installation block, a fastening block is arranged on the outer side of the installation frame, a first locking block is connected to the inside of the fastening block, a placement hole is formed in the installation frame, a second locking block is connected to the inside of the placement hole, a limiting groove is formed in the inner side of the installation frame, a fixing bottom shaft is connected to the inside of the limiting groove, a curtain surface layer is connected to the inside of the top end of the fixing bottom shaft, the tail end of the curtain surface layer is connected with a winding shaft, a first rotating block is connected to the left end of the winding shaft, a second rotating block is connected to the upper portion of the first rotating block, the left end of the second rotating block is connected with the output end of a driving motor, a fixed block is fixed to the front side of the second rotating block, and a, the rear side of the cleaning rod is connected with a cleaning block.

The utility model discloses still provide the longitudinal section of installation piece is "T" font structure, and the installation frame inlays through installation piece and top surface control block and is connected to the installation frame sets up about the central axis symmetry of top surface control block.

The utility model discloses still provide the fastening block evenly sets up in the outside of top surface control piece and installation frame, and the connected mode of fastening block and first locking piece is threaded connection.

The utility model discloses still provide gu the end axle constitutes sliding structure in the inside of spacing groove, and gu the end axle passes through second locking piece and placer hole fixed connection.

The utility model discloses still provide the central axis of rolling axle and the central axis coincidence of first commentaries on classics piece each other, and the surface of first commentaries on classics piece is concavo-convex structure to the connected mode of first commentaries on classics piece and second commentaries on classics piece is connected for the meshing.

The utility model discloses still provide the connected mode of clearance pole and fixed block is articulated, and clearance pole and cleaning block constitute dismantlement structure.

Compared with the prior art, the beneficial effects of the utility model are that: the light-resistant picture frame curtain for the projector is convenient to position and mount, clean, effectively prevent wind from blowing the curtain, prevent the curtain from shaking and greatly ensure the projection effect;

1. the mounting frame with the T-shaped longitudinal section is embedded in the top surface control block through the mounting block, and fastening blocks are uniformly arranged on the outer side of the mounting frame, so that the mounting frame is convenient to position and mount under the action of the first locking block;

2. the curtain is provided with a curtain surface layer, a cleaning block and a cleaning rod, the cleaning rod is hinged with the fixed block, and the cleaning block is tightly propped against the outer surface of the curtain surface layer under the action of a spring, so that the picture frame curtain is convenient to clean;

3. be provided with spacing groove, solid end axle and second locking piece, solid end axle takes place to slide in the inside of spacing groove to through second locking piece fixed mounting in the inside of placeeing the hole, under the limiting displacement of spacing groove, can effectually prevent that wind from blowing the curtain, prevent that the curtain from rocking, guaranteed the projection effect greatly.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 3 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 3 according to the present invention.

In the figure: 1. a top surface control block; 2. mounting blocks; 3. a mounting frame; 4. a fastening block; 5. a first locking block; 6. placing the hole; 7. a second locking block; 8. fixing a bottom shaft; 9. a curtain surface layer; 10. a winding shaft; 11. a first rotating block; 12. a second rotating block; 13. a drive motor; 14. a limiting groove; 15. a fixed block; 16. cleaning the rod; 17. and (4) cleaning the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a light-resistant picture frame curtain for a projector comprises a top surface control block 1, a mounting block 2, a mounting frame 3, a fastening block 4, a first locking block 5, a placing hole 6, a second locking block 7, a bottom fixing shaft 8, a curtain surface layer 9, a winding shaft 10, a first rotating block 11, a second rotating block 12, a driving motor 13, a limiting groove 14, a fixing block 15, a cleaning rod 16 and a cleaning block 17, wherein the bottom of the top surface control block 1 is internally connected with the mounting block 2, the mounting frame 3 is fixed below the mounting block 2, the fastening block 4 is arranged on the outer side of the mounting frame 3, the first locking block 5 is connected inside the fastening block 4, the placing hole 6 is formed inside the mounting frame 3, the second locking block 7 is connected inside the placing hole 6, the limiting groove 14 is formed inside the mounting frame 3, the bottom fixing shaft 8 is connected inside the limiting groove 14, the curtain surface layer 9 is connected inside the top end of the bottom fixing shaft 8, and the end-to-end connection of curtain surface course 9 has rolling axle 10, and the left end of rolling axle 10 is connected with first commentaries on classics piece 11, and the top of first commentaries on classics piece 11 is connected with second commentaries on classics piece 12 to the left end of second commentaries on classics piece 12 is connected with the output of driving motor 13, and the front side of second commentaries on classics piece 12 is fixed with fixed block 15, and the internal connection of fixed block 15 has clearance pole 16, and the rear side of clearance pole 16 is connected with cleaning block 17.

As shown in fig. 1 and 3, the longitudinal section of the mounting block 2 is in a "T" shape, the mounting frame 3 is connected with the top surface control block 1 through the mounting block 2 in an embedded manner, and the mounting frame 3 is symmetrically arranged about the central axis of the top surface control block 1 for positioning and mounting, the fastening blocks 4 are uniformly arranged on the outer sides of the top surface control block 1 and the mounting frame 3, and the fastening blocks 4 are connected with the first locking blocks 5 in a threaded manner for mounting the top surface control block 1 at a proper position;

like in fig. 2, fig. 4 and fig. 5 solid end axle 8 constitutes sliding construction in the inside of spacing groove 14, and solid end axle 8 passes through

second locking piece

7 and 6 fixed connection of placeeing hole, can effectually prevent that wind from blowing the curtain, prevent that the curtain from rocking, the projection effect has been guaranteed greatly, the central axis of wind-up axle 10 and the central axis coincidence of first turning block 11, and the surface of first turning block 11 is concave-convex structure, and the connected mode of first turning block 11 and second turning block 12 is connected for the meshing, the rolling of curtain surface course 9 of being convenient for, the connected mode of clearance pole 16 and fixed block 15 is articulated, and clearance pole 16 constitutes the dismantlement structure with cleaning block 17, be convenient for clear up curtain surface course 9.

The working principle is as follows: when the light-resistant picture frame curtain for the projector is used, firstly, the top surface control block 1 is fixed at a proper position through the fastening block 4, then the installation frame 3 with the longitudinal section in a T-shaped structure is embedded and installed inside the top surface control block 1 through the installation block 2, the fastening block 4 is uniformly arranged on the outer side of the installation frame 3, positioning and installation are facilitated under the action of the first locking block 5, the curtain surface layer 9 is wound inside the limiting groove 14 through the bottom fixing shaft 8, the bottom fixing shaft 8 slides inside the limiting groove 14 and is fixedly installed inside the installation hole 6 through the second locking block 7, and under the limiting action of the limiting groove 14, wind can be effectively prevented from blowing the curtain, the curtain surface layer 9 is prevented from shaking, and the projection effect is greatly ensured;

along with the winding of the winding shaft 10, the cleaning rod 16 and the fixed block 15 rotate, and under the action of the spring, the cleaning block 17 is tightly pressed against the outer surface of the curtain surface layer 9, so that dust on the outer surface of the curtain surface layer 9 is cleaned conveniently, and a series of operations of the photoprotective frame curtain for the projector are completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a light-resistant picture frame curtain for projecting apparatus, includes top surface control block (1), its characterized in that: the bottom of the top surface control block (1) is internally connected with an installation block (2), an installation frame (3) is fixed below the installation block (2), a fastening block (4) is arranged on the outer side of the installation frame (3), a first locking block (5) is connected inside the fastening block (4), a placement hole (6) is formed inside the installation frame (3), a second locking block (7) is connected inside the placement hole (6), a limiting groove (14) is formed in the inner side of the installation frame (3), a bottom fixing shaft (8) is connected inside the limiting groove (14), a curtain surface layer (9) is connected inside the top end of the bottom fixing shaft (8), the tail end of the curtain surface layer (9) is connected with a winding shaft (10), the left end of the winding shaft (10) is connected with a first rotating block (11), and a second rotating block (12) is connected above the first rotating block (11), and the left end of second commentaries on classics piece (12) is connected with the output of driving motor (13), the front side of second commentaries on classics piece (12) is fixed with fixed block (15), and the internal connection of fixed block (15) has clearance pole (16), the rear side of clearance pole (16) is connected with clean piece (17).

2. The light-resistant picture frame curtain for projectors of claim 1, wherein: the longitudinal section of installation piece (2) is "T" font structure, and installation frame (3) inlay through installation piece (2) and top surface control piece (1) and be connected to installation frame (3) are around the central axis symmetry setting of top surface control piece (1).

3. The light-resistant picture frame curtain for projectors of claim 1, wherein: the fastening blocks (4) are uniformly arranged on the outer sides of the top surface control block (1) and the mounting frame (3), and the fastening blocks (4) are connected with the first locking blocks (5) in a threaded mode.

4. The light-resistant picture frame curtain for projectors of claim 1, wherein: the fixed bottom shaft (8) forms a sliding structure in the limiting groove (14), and the fixed bottom shaft (8) is fixedly connected with the placing hole (6) through the second locking block (7).

5. The light-resistant picture frame curtain for projectors of claim 1, wherein: the central axis of the winding shaft (10) is coincident with the central axis of the first rotating block (11), the outer surface of the first rotating block (11) is of a concave-convex structure, and the first rotating block (11) is connected with the second rotating block (12) in a meshing manner.

6. The light-resistant picture frame curtain for projectors of claim 1, wherein: the cleaning rod (16) is hinged with the fixed block (15), and the cleaning rod (16) and the cleaning block (17) form a dismounting structure.