CN216871003U

CN216871003U - Height-adjustable outdoor projection screen

Info

Publication number: CN216871003U
Application number: CN202220627352.XU
Authority: CN
Inventors: 金勇�; 方鹏然; 熊欢; 吴配德; 谭玉金
Original assignee: Huizhou Tele Film And Television Equipment Co ltd
Current assignee: Huizhou Tele Film And Television Equipment Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-01
Anticipated expiration: 2032-03-22

Abstract

The utility model discloses an outdoor projection screen with adjustable height, which relates to the field of outdoor projection screens and aims at solving the problems that the existing screen is generally built by steel and then assembled by hanging a screen, the building method is complicated, the height of the screen is difficult to adjust after building is completed, and a support built by steel is too bulky in size, so that the support is inconvenient to move and store and carry. The folding device is novel in structure, can adjust the height of the screen, can be folded, is simpler to build and disassemble due to the folding structure, is more convenient to carry after being folded, and can be stored.

Description

Height-adjustable outdoor projection screen

Technical Field

The utility model relates to the field of outdoor projection screens, in particular to an outdoor projection screen with adjustable height.

Background

The screen refers to a white screen for displaying projection when in discharge, and the citation is interpreted as a white screen for projecting enlarged images when showing movies and slide shows. The projection screen for outdoor use is a screen for outdoor use as its name implies.

The existing screen is generally built by steel, and then assembled by hanging a screen, the building method is complicated, the height of the screen is difficult to adjust after the building is completed, the size of a support built by the steel is too large, the support is inconvenient to move, and the support is inconvenient to store and carry. Therefore, in order to solve such problems, an outdoor projection screen with adjustable height is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model provides an outdoor projection screen with adjustable height, which solves the problems that the existing screen is generally assembled by adopting a steel construction mode and then hanging a screen, the construction mode is complicated, the height of the screen is difficult to adjust after the construction is finished, and a bracket constructed by adopting the steel is too large in size, inconvenient to move and inconvenient to store and carry.

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

a height-adjustable outdoor projection screen comprises a base, a lifting folding mechanism, hooks and a screen, wherein the lifting folding mechanism capable of adjusting the height of the screen is arranged above the base;

the lifting and folding mechanism comprises a lifting rod, a connecting block and a supporting arm, wherein the connecting block is installed on the top end of the lifting rod, the supporting arm is installed on two sides of the connecting block, the connecting block is rotatably connected with the supporting arm, a limiting block is arranged below the lifting rod, and a support is connected between the supporting arm and the limiting block.

Preferably, install anchor clamps on the support arm, just anchor clamps are along the axial evenly distributed of support arm, anchor clamps are including installation piece, splint and adjust knob, the installation piece cup joints on the support arm, one side of installation piece is provided with splint, be connected with adjust knob between installation piece and the splint.

Preferably, the containing bin is seted up in the inside of base, the gyro wheel is installed to the below of base, one side of base is provided with the door that opens and shuts, the spacing groove has been seted up to the top of base, the fixed slot has been seted up to the inside of base, just the fixed slot is seted up in the below of spacing groove.

Preferably, the hooks are evenly distributed along the axial direction of the supporting arm, limiting grooves are formed in the supporting arm and the limiting block, and the two ends of the support are arranged in the limiting grooves to connect the supporting arm with the limiting block.

Preferably, the bottom of lifter runs through the shell of base and installs the spacing inslot in the base inside, the support is the setting of U type.

Preferably, spacing holes are formed in the two sides of the connecting block, a fixing block is arranged on one side of the supporting arm, and the supporting arm is rotatably connected with the spacing holes of the connecting block through the fixing block.

The utility model has the beneficial effects that:

1. be provided with lift folding mechanism on this device, the last lifter of installing of lift folding mechanism, the lifter can carry out the lift adjustment of screen height after the screen expandes, has effectually solved the problem that outdoor screen can't carry out height control after the installation is accomplished.

2. Simultaneously, the lifting and folding mechanism of the device can fold the two arms which are stretched, and the outdoor screen is built and formed in a folding mode, so that the building mode is quicker and simpler, and the folding device can be carried more conveniently.

3. This device sets the base to the mode of receiver, and the receiver can be accomodate the part of folding completion for the utilization efficiency of device is higher, adopts couple and anchor clamps to install the curtain simultaneously, makes more firm and swift of curtain installation.

To sum up, this device can carry out the adjustment of height to the screen, and the device can be folded simultaneously, and the folding structure makes putting up and dismantling of device simpler, and the device after the folding completion is more convenient to carry, can accomodate the device of folding completion simultaneously.

Drawings

Fig. 1 is a schematic view of the structure of the present invention using a hook.

Fig. 2 is a schematic view of the structure of the present invention using a jig.

Fig. 3 is a schematic structural diagram of the lifting folding frame base of the present invention.

Fig. 4 is a schematic diagram of a back structure of the lifting folding frame base of the present invention.

FIG. 5 is a schematic view of the structure of the present invention in a contracted state.

Fig. 6 is a schematic structural diagram of the base of the present invention.

Fig. 7 is a schematic structural view of a jig according to embodiment 2 of the present invention.

Fig. 8 is an exploded view of a clamp according to embodiment 2 of the present invention.

Reference numbers in the figures: 1. a base; 101. a storage bin; 102. a roller; 2. a lifting and folding mechanism; 201. a lifting rod; 202. connecting blocks; 203. a support arm; 204. a limiting block; 205. a support; 3. hooking; 4. a curtain; 5. a clamp; 501. mounting blocks; 502. a splint; 503. and adjusting a knob.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1 to 6, a height-adjustable outdoor projection screen comprises a base 1, a lifting folding mechanism 2, hooks 3 and a curtain 4, wherein the lifting folding mechanism 2 capable of adjusting the height of the screen is arranged above the base 1, the hooks 3 are uniformly distributed on two arms of the lifting folding mechanism 2, the curtain 4 is hung on the hooks 3, the curtain 4 is hung on the lifting folding mechanism 2 through the hooks 3, the lifting folding mechanism 2 comprises a lifting rod 201, a connecting block 202 and a supporting arm 203, the top end of the lifting rod 201 is provided with the connecting block 202, two sides of the connecting block 202 are provided with supporting arms 203, the connecting block 202 is rotatably connected with the supporting arms 203, a limiting block 204 is arranged below the lifting rod 201, and a support 205 is connected between the supporting arms 203 and the limiting block 204; the lifter 201 can adjust the height of the screen according to actual requirements, and the support arm 203 can support and expand the curtain 4, and meanwhile, the rotation can be favored, so that the storage is convenient.

As shown in fig. 6, a storage bin 101 is arranged inside the base 1, rollers 102 are mounted below the base 1, an opening and closing door is arranged on one side of the base 1, a limiting groove is arranged above the base 1, a fixing groove is arranged inside the base 1, and the fixing groove is arranged below the limiting groove; the base 1 is designed to be a storage box, and the space of the device is fully utilized.

The hooks 3 are uniformly distributed along the axial direction of the support arm 203, both the support arm 203 and the limit block 204 are provided with limit grooves, and both ends of the support 205 are arranged in the limit grooves to connect the support arm 203 and the limit block 204; the bottom of lifter 201 runs through the shell of base 1 and installs the spacing inslot in base 1 inside, support 205 is the setting of U type.

Limiting holes are formed in two sides of the connecting block 202, a fixing block is arranged on one side of the supporting arm 203, and the supporting arm 203 is mounted in the limiting holes of the connecting block 202 through the fixing block and is in rotating connection.

In embodiment 1, when the device is used for working, the lifting rod 201 is inserted into the limiting groove of the base 1, the supporting arms 203 on the two sides of the connecting block 202 are rotated and opened, when the supporting arms 203 are at the same height, the two ends of the bracket 205 are respectively buckled in the limiting holes on the supporting arms 203 and the limiting holes on the limiting blocks 204, at this time, the curtain 4 is hung on the supporting arms 203 through the hooks 3, and the lifting rod 201 can adjust the height according to the requirements of the screen; after the use, the curtain 4 is detached, the support 205 is detached, the support arm 203 is rotated to be parallel to the lifting rod 201, the lifting and folding mechanism 2 is detached from the base 1, the opening and closing door of the base 1 is opened, the lifting and folding mechanism 2 and the support 205 are placed in the storage bin 101, and the device can be stored through the operation.

Example 2

Referring to fig. 7 and 8, the difference from embodiment 1 is that: the clamp 5 is mounted on the support arm 203, the clamps 5 are uniformly distributed along the axial direction of the support arm 203, the clamp 5 comprises a mounting block 501, a clamping plate 502 and an adjusting knob 503, the mounting block 501 is sleeved on the support arm 203, the clamping plate 502 is arranged on one side of the mounting block 501, and the adjusting knob 503 is connected between the mounting block 501 and the clamping plate 502;

anchor clamps 5 can be with the centre gripping of curtain 4, when unable use couple 3, can adopt anchor clamps 5 to carry out hanging of curtain 4, will install piece 501 and cup joint on support arm 203, place curtain 4 between splint 502 and installation piece 501, can press from both sides curtain 4 tightly through adjust knob 503.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The height-adjustable outdoor projection screen comprises a base (1), a lifting folding mechanism (2), hooks (3) and a screen (4), and is characterized in that the lifting folding mechanism (2) capable of adjusting the height of the screen is arranged above the base (1), the hooks (3) are uniformly distributed on two arms of the lifting folding mechanism (2), the screen (4) is hung on the hooks (3), and the screen (4) is hung on the lifting folding mechanism (2) through the hooks (3);

lifting folding mechanism (2) include, lifter (201), connecting block (202) and support arm (203), connecting block (202) are installed on the top of lifter (201), support arm (203) are installed to the both sides of connecting block (202), just connecting block (202) are to rotate with support arm (203) and are connected, the below of lifter (201) is provided with stopper (204), be connected with support (205) between support arm (203) and stopper (204).

2. The outdoor projection screen with the adjustable height of the claim 1, characterized in that the supporting arm (203) is provided with clamps (5), and the clamps (5) are uniformly distributed along the axial direction of the supporting arm (203), the clamps (5) comprise mounting blocks (501), clamping plates (502) and adjusting knobs (503), the mounting blocks (501) are sleeved on the supporting arm (203), one side of the mounting blocks (501) is provided with the clamping plates (502), and the adjusting knobs (503) are connected between the mounting blocks (501) and the clamping plates (502).

3. The outdoor projection screen with the adjustable height of claim 1, wherein the base (1) is provided with a storage bin (101) inside, the rollers (102) are mounted below the base (1), one side of the base (1) is provided with an opening and closing door, the base (1) is provided with a limiting groove above, the base (1) is provided with a fixing groove inside, and the fixing groove is provided below the limiting groove.

4. The outdoor projection screen with the adjustable height of claim 1, wherein the hooks (3) are uniformly distributed along the axial direction of the supporting arm (203), the supporting arm (203) and the limiting block (204) are respectively provided with a limiting groove, and two ends of the support (205) are arranged in the limiting grooves to connect the supporting arm (203) and the limiting block (204).

5. The outdoor projection screen with adjustable height of claim 1, wherein the bottom of the lifting rod (201) is installed in a limiting groove inside the base (1) through the housing of the base (1), and the bracket (205) is U-shaped.

6. The outdoor projection screen with the adjustable height of claim 1, wherein two sides of the connecting block (202) are provided with limiting holes, one side of the supporting arm (203) is provided with a fixing block, and the supporting arm (203) is rotatably connected with the limiting holes of the connecting block (202) through the fixing block.