CN218825135U

CN218825135U - Adjustable multi-surface projection screen

Info

Publication number: CN218825135U
Application number: CN202222784523.2U
Authority: CN
Inventors: 齐波; 许潇
Original assignee: Chengdu Bense Hongyi Culture Communication Co ltd
Current assignee: Chengdu Bense Hongyi Culture Communication Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-04-07
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a multiaspect projection screen with adjustable relates to projection screen technical field, including support frame and two shells, fixed part, including two sets of frames of placing, every group place the quantity of frame and set up to two, every group place the inside of frame and all be equipped with the connecting block, every the bottom of connecting block all is equipped with the inserted block, clearance part, including two clearance brushes, two the clearance brush is located the shell under, the utility model discloses a be provided with clearance part, clear up the surface of projection curtain through the clearance brush, specifically use and accomodate the in-process, the projection curtain reciprocates, and the clearance brush clears up, when needing to change the clearance brush again, the rebound draws the piece, draws the piece to drive the connecting block rebound, makes the spring compress, and the connecting block drives the inside that the inserted block breaks away from the clearance brush, changes the clearance brush, has improved the convenience.

Description

Adjustable multi-surface projection screen

Technical Field

The utility model relates to a projection screen technical field especially relates to a multiaspect projection screen with adjustable.

Background

Some projection screens only have a single screen, and when projection is performed, the projection screens can be projected onto the single screen and are only suitable for a viewer to watch from one direction. For a relatively large and wide viewing place, the number of audiences is large, and especially in places such as a concert, a large number of audiences are distributed around for viewing. If only a single projection screen is used, the image can be displayed on only one screen, resulting in poor display effect, so that a multi-surface projection screen is required.

But in the in-service use in-process of current multiaspect projection screen, the curtain surface of projection screen can be because a large amount of dust of electrostatic adsorption, and the dust on the projection screen is more obvious when the poor outdoor use of air quality, probably influences the definition of formation of image, but cleans the dust effect through the manual work relatively poor and speed slower and comparatively inconvenient to can influence the effect that the projection screen was vwatched, reduced the practicality of projection screen.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an adjustable multi-surface projection screen. Its advantage is, conveniently clear up the surface of projection curtain through the cleaning brush, conveniently changes the cleaning brush, has improved the convenience.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an adjustable multi-sided projection screen comprising a support frame and two housings;

the fixing component comprises two groups of placing frames, the number of each group of placing frames is two, a connecting block is arranged inside each group of placing frames, and an inserting block is arranged at the bottom of each connecting block;

the cleaning component comprises two cleaning brushes, and the two cleaning brushes are positioned right below the shell.

The utility model discloses further set up to, every the equal sliding connection in inside of connecting block has the dead lever, every the bottom of dead lever all is equipped with the stopper, two the slot, every have all been seted up at the both ends of clearance brush the inserted block with correspond the slot phase-match.

The utility model discloses further set up to, every the one end of dead lever runs through the fixedly connected with spring after extending to the outside that corresponds the connecting block, every the spring is kept away from the one end of dead lever all with the interior top fixed connection who places the frame, every the equal fixedly connected with connecting rod in one side that the connecting block is relative, every the one end of connecting rod all runs through the fixedly connected with after extending to the outside that corresponds the connecting block and draws the piece.

The utility model discloses further set up to, two the shell all is located the top of support frame, the bottom of support frame is equipped with a plurality of supporting legss, two all be equipped with adjusting part, two between shell and the support frame the inside of shell is equipped with storage assembly.

The utility model discloses further set up to, the adjusting part is including a plurality of electric putter, a plurality of one side that first electric putter is in opposite directions all is equipped with the fixed block, two the shell is located a plurality of between the fixed block.

Through the technical scheme: through adjusting part's setting, can adjust the height of projection curtain, specifically be when the height of projection curtain needs to be adjusted, start a plurality of electric putter, first electric putter drives the shell through the fixed block and reciprocates, has improved the projected region.

The utility model discloses further set up to, storage assembly is including two motors, two the inside of shell all is equipped with the pivot, two the pivot respectively with the output fixed connection who corresponds the motor, two the pole, two are accomodate to the equal fixedly connected with of outer wall of motor the outer wall of accomodating the pole all is equipped with the projection curtain, two the one end of projection curtain runs through the outside that extends to corresponding shell.

Through the technical scheme: through the setting of accomodating the subassembly, can accomodate the projection curtain, specifically the motor drives and accomodates the pole and rotate, makes outside winding projection curtain accomodate the shell inside, avoids the projection curtain to place the outside and receive the damage when not using.

The utility model discloses further set up to, two the bottom of projection curtain all is equipped with the lower link, two the cleaning brush all is located one side of corresponding projection curtain, and is two sets of the rear side of placing the frame all is equipped with second electric putter, every second electric putter's one end all is equipped with fixed frame, every fixed frame all with the bottom fixed connection who corresponds the shell, every the below of lower link all is equipped with fixed subassembly.

Through the technical scheme: through second electric putter's setting, when the projection curtain closed, second electric putter promoted to place the frame and remove, made the clearance brush not with the contact of projection curtain, can prevent that the dust that the clearance was come out from getting into inside, further improved the effect of clearance brush clearance.

The utility model discloses further set up to, fixed subassembly is including two sets of third electric putter, every group third electric putter's top all is equipped with the mount, two the lower link is located the inside that corresponds a set of mount respectively.

Through the technical scheme: through fixed subassembly setting, effectively avoid pull down rod and projection curtain to be moved by the wind, specifically when the projection curtain puts down, go into the inside of mount with the pull down rod card, improve the bandwagon effect.

The utility model has the advantages that:

1. the utility model discloses a, through being provided with the clearance part, clear up the surface of projection curtain through the clearance brush, specifically use and accomodate the in-process, the projection curtain reciprocates, and the clearance brush clears up, when needing to change the clearance brush again, and the piece is drawn to the rebound, draws the piece to drive the connecting block rebound, makes the spring compress, and the connecting block drives the inside that the inserted block breaks away from the clearance brush, changes the clearance brush, has improved the convenience.

2. The utility model discloses a, through being provided with adjusting part, can adjust the height of projection curtain, specifically when needing to adjust the height of projection curtain, start a plurality of electric putter, first electric putter passes through the fixed block and drives the shell and reciprocate, has improved the projected region, through storage assembly's setting, can accomodate the projection curtain, specifically the motor drives and accomodates the pole rotation, makes outside winding projection curtain accomodate inside the shell, avoids the projection curtain to place the outside and receives the damage not using.

3. The utility model discloses a, through being provided with second electric putter, when the projection curtain was closed, second electric putter promoted to place the frame and removed, made the clearance brush not contact with the projection curtain, can prevent that the dust that the clearance was come out from getting into inside, further improved the effect of clearance brush clearance, through the setting of fixed subassembly, effectively avoid pull down rod and projection curtain to be scraped by the wind, specifically when the projection curtain puts down, go into the inside of mount with the pull down rod card, improve the bandwagon effect.

Drawings

FIG. 1 is a schematic view of an overall structure of an adjustable multi-face projection screen according to the present invention;

FIG. 2 is a cross-sectional view of the overall construction of an adjustable multi-face projection screen according to the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2A of an adjustable multi-sided projection screen according to the present invention;

FIG. 4 is a schematic view of the connection structure between the fixing frame and the lower rod of the adjustable multi-surface projection screen of the present invention;

fig. 5 is a schematic view of the connection structure between the connection block and the placement frame of the adjustable multi-surface projection screen of the present invention.

In the figure: 1. a support frame; 2. a first electric push rod; 3. a fixed block; 4. a housing; 5. a lower pull rod; 6. a fixing frame; 7. cleaning a brush; 8. placing the frame; 9. a motor; 10. a storage rod; 11. a projection screen; 12. pulling the block; 13. a connecting rod; 14. connecting blocks; 15. a limiting block; 16. fixing the rod; 17. a spring; 18. inserting a block; 19. a fixed mount; 20. a second electric push rod; 21. supporting legs; 22. and a third electric push rod.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in FIG. 1 to facilitate the description of the patent and to simplify the description, but are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-5, an adjustable multi-sided projection screen comprises a support frame 1 and two housings 4;

the fixing component comprises two groups of placing frames 8, the number of each group of placing frames 8 is two, a connecting block 14 is arranged inside each group of placing frames 8, and an inserting block 18 is arranged at the bottom of each connecting block 14;

the cleaning component comprises two cleaning brushes 7, and the two cleaning brushes 7 are positioned right below the shell 4.

Every equal sliding connection in inside of connecting block 14 has dead lever 16, every the bottom of dead lever 16 all is equipped with stopper 15, two the slot has all been seted up at the both ends of cleaning brush 7, every inserted block 18 with correspond slot phase-match every the one end of dead lever 16 runs through fixedly connected with spring 17 after extending to the outside that corresponds connecting block 14, every the one end that dead lever 16 was kept away from to spring 17 all with the interior top fixed connection who places frame 8, every the equal fixedly connected with connecting rod 13 in one side that connecting block 14 is relative, every fixedly connected with draws piece 12 after the one end of connecting rod 13 all runs through and extends to the outside that corresponds connecting block 14.

Two shell 4 all is located the top of support frame 1, the bottom of support frame 1 is equipped with a plurality of supporting legss 21, two all be equipped with adjusting part between shell 4 and the support frame 1, two the inside of shell 4 is equipped with accomodates the subassembly.

In order to improve the projected region, refer to fig. 1-2, adjusting part is including a plurality of electric putter 2, and is a plurality of one side in opposite directions of first electric putter 2 all is equipped with fixed block 3, two shell 4 is located a plurality of between the fixed block 3, through adjusting part's setting, can adjust the height of projection curtain 11, when specifically needing the height of adjustment projection curtain 11, start a plurality of electric putter 2, first electric putter 2 drives shell 4 through fixed block 3 and reciprocates, has improved the projected region.

For convenient accomodate projection curtain 11, refer to fig. 2, the storage assembly is including two motors 9, two the inside of shell 4 all is equipped with the pivot, two the pivot respectively with the output fixed connection who corresponds motor 9, two the equal fixedly connected with of outer wall of motor 9 accomodates pole 10, two the outer wall of accomodating pole 10 all is equipped with projection curtain 11, two the one end of projection curtain 11 runs through the outside that extends to corresponding shell 4, through the setting of storage assembly, can accomodate projection curtain 11, specifically motor 9 drives and accomodates pole 10 and rotate, makes outside winding projection curtain 11 accomodate inside shell 4, avoids projection curtain 11 to place the outside and receive the damage at not using.

Inside getting into in order to prevent the dust that the clearance was come out, refer to figure 5, two the bottom of projection curtain 11 all is equipped with down-link 5, two the clearance brush 7 all is located the one side that corresponds projection curtain 11, and is two sets of place the rear side of frame 8 and all be equipped with second electric putter 20, every the one end of second electric putter 20 all is equipped with fixed frame 6, every fixed frame 6 all with the bottom fixed connection who corresponds shell 4, every the below of down-link 5 all is equipped with fixed subassembly, through the setting of second electric putter 20, when projection curtain 11 closes, second electric putter 20 promotes and places frame 8 and remove, makes clearance brush 7 not contact with projection curtain 11, can prevent that the dust that the clearance was come out from getting into inside, has further improved the effect of clearance brush 7 clearance.

In order to avoid pull down rod 5 and projection curtain 11 to be moved by wind, refer to fig. 1-4, fixed subassembly is including two sets of third electric putter 22, every group third electric putter 22's top all is equipped with mount 19, two pull down rod 5 is located the inside that corresponds a set of mount 19 respectively, sets up through fixed subassembly, effectively avoids pull down rod 5 and projection curtain 11 to be moved by wind, specifically when projection curtain 11 puts down, goes into pull down rod 5 card in the inside of mount 19, improves the bandwagon effect.

The working principle is as follows: when the cleaning brush is used, firstly, the starting motor 9 is started, the motor 9 expands the projection curtain 11 through the containing rod 10, the lower pull rod 5 is clamped into the fixing frame 19, the fixing is carried out, then after the use is completed, the starting motor 9 is started, the projection curtain 11 is contained, in the using and containing process, the projection curtain 11 moves up and down, the cleaning brush 7 can clean the surface of the projection curtain 11, when the cleaning brush 7 is long in service time and needs to be replaced, the upward movement of the pull block 12 drives the connecting block 14 to move upwards, the spring 17 is compressed, the connecting block 14 drives the insertion block 18 to be separated from the inside of the cleaning brush 7, the cleaning brush 7 is replaced, then the new cleaning brush 7 is placed in the connecting block 14, the spring 17 rebounds, the insertion block 18 is inserted into the inside of the cleaning brush 7, and the installation is completed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An adjustable multi-sided projection screen comprising

A support frame (1) and two shells (4);

the fixing component comprises two groups of placing frames (8), the number of each group of placing frames (8) is two, connecting blocks (14) are arranged inside each group of placing frames (8), and the bottom of each connecting block (14) is provided with an inserting block (18);

the cleaning component comprises two cleaning brushes (7), and the two cleaning brushes (7) are positioned under the shell (4).

2. An adjustable multi-sided projection screen according to claim 1, wherein each connecting block (14) is slidably connected with a fixing rod (16), the bottom of each fixing rod (16) is provided with a limiting block (15), two ends of the two cleaning brushes (7) are provided with slots, and each inserting block (18) is matched with the corresponding slot.

3. An adjustable multi-sided projection screen according to claim 2, wherein one end of each of the fixing rods (16) extends through an outer rear fixedly connected spring (17) extending to the corresponding connecting block (14), one end of each of the springs (17) remote from the fixing rod (16) is fixedly connected to an inner top of the placement frame (8), a connecting rod (13) is fixedly connected to a side of each of the connecting blocks (14) opposite to each other, and one end of each of the connecting rods (13) extends through an outer rear fixedly connected pull block (12) extending to the corresponding connecting block (14).

4. Adjustable multi-sided projection screen according to claim 1, wherein both shells (4) are located above a support frame (1), wherein the support frame (1) is provided with a plurality of support feet (21) at the bottom, wherein an adjusting assembly is provided between both shells (4) and the support frame (1), and wherein a receiving assembly is provided inside both shells (4).

5. Adjustable multi-sided projection screen according to claim 4, characterized in that the adjustment assembly comprises a plurality of first electric pushers (2), that the sides of the plurality of first electric pushers (2) facing each other are provided with fixing blocks (3), and that two housings (4) are located between the fixing blocks (3).

6. The adjustable multi-surface projection screen of claim 4, wherein the receiving assembly comprises two motors (9), two rotating shafts are arranged inside the two housings (4), the two rotating shafts are respectively and fixedly connected with the output ends of the corresponding motors (9), receiving rods (10) are fixedly connected to the outer walls of the two motors (9), projection curtains (11) are arranged on the outer walls of the two receiving rods (10), and one ends of the two projection curtains (11) extend through to the outside of the corresponding housings (4).

7. The adjustable multi-surface projection screen of claim 6, wherein the bottom ends of the two projection screens (11) are provided with lower pull rods (5), the two cleaning brushes (7) are located at one side of the corresponding projection screens (11), the rear sides of the two sets of placing frames (8) are provided with second electric push rods (20), one end of each second electric push rod (20) is provided with a fixing frame (6), each fixing frame (6) is fixedly connected with the bottom of the corresponding shell (4), and a fixing component is arranged below each lower pull rod (5).

8. An adjustable multi-sided projection screen according to claim 7, wherein the fixing assembly comprises two sets of third electric push rods (22), each set of third electric push rods (22) having a fixing frame (19) at the top, and two pull-down rods (5) respectively located inside the corresponding set of fixing frames (19).