CN219530302U

CN219530302U - Screen lifting frame

Info

Publication number: CN219530302U
Application number: CN202320398614.4U
Authority: CN
Inventors: 申秋原
Original assignee: Polarization Optics Shenzhen Technology Innovation Co ltd
Current assignee: Polarization Optics Shenzhen Technology Innovation Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-08-15
Anticipated expiration: 2033-03-07

Abstract

The utility model relates to the technical field of screen projection, and discloses a screen lifting frame which comprises a bottom plate, wherein upright rods are fixedly connected to two sides of the upper end face of the bottom plate, screw rods are rotatably connected to the insides of the two upright rods, transmission sleeves are in threaded connection with the outer walls of the two screw rods, fixed blocks are fixedly connected to the upper ends of the two transmission sleeves, connecting rods are rotatably connected to the front ends of the two fixed blocks, and lifting plates are fixedly connected to the front ends of the two connecting rods. According to the utility model, the height angle adjusting mechanism is arranged, the lifting plate drives the lifting plate to move up and down through the rotation of the screw rod to finish height adjustment, the upper end of the lifting plate is rotationally connected with the transmission sleeve, the lower end of the transmission sleeve is fixedly connected with the connecting rod, the two ends of the connecting rod are both in threaded connection with the threaded rod, the threaded rod is enabled to move forwards through the rotating handle to rotate, so that the lifting plate is enabled to rotate to finish angle adjustment, and the convenience of adjustment is greatly improved through the structural design.

Description

Screen lifting frame

Technical Field

The utility model relates to the technical field of screen projection, in particular to a screen lifting frame.

Background

The screen projection is to project a dynamic video onto the double-layer iron screen through a projector, so that a dreamy gorgeous picture can be displayed. By the projection multichannel fusion system splicing technology, oversized display can be completed, and a spectacular scene is created. The LCD TV behind the combination screen can realize dual visual effect. The art and high technology can be perfectly combined, the ornamental effect is very high, and the method is suitable for halls, stages, exhibition halls and large-scale exhibition exponents.

When the screen is used for projection, certain defects exist, because the screen structure is light and thin, the interference of wind force is large during projection, the projection watching effect of a user is affected, and when the screen is used for projection outdoors, the angle or the height of the screen is required to be adjusted during projection, so that the ornamental value is improved. Accordingly, a person skilled in the art provides a screen lifting frame to solve the above-mentioned problems in the background art.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a screen lifting frame, which is provided with a height angle adjusting mechanism, wherein a lifting plate drives the lifting plate to move up and down through screw rod rotation to finish height adjustment, the upper end of the lifting plate is rotationally connected with a transmission sleeve, the lower end of the transmission sleeve is connected with a connecting rod, both ends of the connecting rod are in threaded connection with threaded rods, the threaded rods are moved forwards through rotating the threaded rods by rotating handles, so that the lifting plate is rotated to finish angle adjustment, and the convenience of adjustment is greatly improved through the structural design.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a yarn curtain crane, includes the bottom plate, the equal fixedly connected with pole setting in up end both sides of bottom plate, two the inside of pole setting is all rotated and is connected with the screw rod, two the equal threaded connection of outer wall of screw rod has the driving sleeve, two the equal fixedly connected with fixed block in upper end of driving sleeve, two the front end of fixed block is all rotated and is connected with the connecting rod, two the front end fixedly connected with lifter plate of connecting rod, the one side terminal surface outside of lifter plate is provided with a plurality of magic and pastes the hair face, a plurality of one side of magic is pasted the hair face is provided with the yarn curtain, one side the upper end of screw rod runs through pole setting and fixed connection driven pulley, the opposite side the upper end of screw rod runs through pole setting and fixed connection driving pulley, the upper end of driving pulley is provided with the support frame, the up end middle part of support frame is provided with servo motor, two the one side lower extreme fixedly connected with connecting rod of driving sleeve, the both ends of connecting rod all threaded connection has the threaded rod;

through above-mentioned technical scheme, this screen crane is provided with high angle adjustment mechanism, and the lifter plate rotates through the screw rod and drives the lifter plate and reciprocate, accomplishes altitude mixture control, and the lifter plate upper end rotates with the drive sleeve to be connected to at the lower extreme fixedly connected with connecting rod of drive sleeve, the equal threaded connection in both ends of connecting rod has the threaded rod, makes the threaded rod remove forward through changeing the rotation threaded rod, thereby makes the lifter plate rotate, accomplishes angle modulation, through this structural design, has improved the convenience of regulation greatly.

Further, a plurality of magic hook surfaces are arranged on the outer side of one side end surface of the screen;

through above-mentioned technical scheme, collude the face through the magic subsides that set up and conveniently fix the yarn curtain.

Further, the output end of the servo motor is fixedly connected with the driving belt wheel;

through above-mentioned technical scheme, through servo motor and the power supply that provides.

Further, the driving belt pulley is connected with the driven belt pulley through a belt;

through the technical scheme, the two screws can rotate at the same speed through the rotation of the belt.

Further, one end of each of the two threaded rods is fixedly connected with a rotating handle;

through above-mentioned technical scheme, the rotation of the handle through setting up is convenient rotates the threaded rod.

Further, the four corners of the lower end surface of the bottom plate are fixedly connected with self-locking universal wheels;

through above-mentioned technical scheme, through the auto-lock universal wheel that sets up, improve the removal convenience of device.

Further, the two sides of the lower end of one side end face of the lifting plate are fixedly connected with supporting rods;

through above-mentioned technical scheme, the bracing piece through setting up increases the stability of lifter plate.

Further, the hook surface of the magic tape is tightly attached to the rough surface of the magic tape;

through above-mentioned technical scheme, make the yarn curtain be difficult for rocking through both inseparable laminating.

The utility model has the following beneficial effects:

1. according to the screen lifting frame, the height angle adjusting mechanism is arranged, the lifting plate is driven to move up and down through rotation of the screw rod to finish height adjustment, the upper end of the lifting frame is rotationally connected with the transmission sleeve, the lower end of the transmission sleeve is fixedly connected with the connecting rod, the two ends of the connecting rod are respectively connected with the threaded rod in a threaded manner, the threaded rod is rotated through the rotating handle, so that the lifting plate can be rotated to finish angle adjustment, and the convenience of adjustment is greatly improved through the structural design.

2. According to the screen lifting frame, the plurality of magic hook surfaces are arranged on the outer side of the end face of one side of the lifting plate, and the plurality of magic hook surfaces are arranged on the end face of one side of the screen, so that the screen is tightly attached to the hook surfaces, and the screen is not interfered by wind power when being used outdoors, and the ornamental value is improved.

3. According to the screen lifting frame, the self-locking universal wheels are fixedly connected to four corners of the lower end of the bottom plate, and the moving convenience of the device is greatly improved through the self-locking universal wheels, so that the using convenience is improved.

Drawings

FIG. 1 is a front perspective view of a screen lift of the present utility model;

FIG. 2 is a rear perspective view of a screen lifting frame according to the present utility model;

FIG. 3 is a schematic view of the internal structure of a screen lifter according to the present utility model;

fig. 4 is a perspective view of a screw connection of a screen lifting frame according to the present utility model.

Legend description:

1. self-locking universal wheels; 2. a bottom plate; 3. a vertical rod; 4. a support rod; 5. a connecting rod; 6. a fixed block; 7. a driving pulley; 8. a servo motor; 9. a support frame; 10. a belt; 11. a driven pulley; 12. a lifting plate; 13. magic tape surface; 14. a screen; 15. a connecting rod; 16. a threaded rod; 17. a rotating handle; 18. hook-on surface of the magic tape; 19. a transmission sleeve; 20. and (3) a screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a yarn curtain crane, including bottom plate 2, the up end both sides of bottom plate 2 all are fixedly connected with pole setting 3, the inside of two pole setting 3 is all rotated and is connected with screw rod 20, the equal threaded connection of outer wall of two screw rods 20 has driving sleeve 19, the upper end of two driving sleeve 19 all is fixedly connected with fixed block 6, the front end of two fixed block 6 all is rotated and is connected with connecting rod 5, the front end fixedly connected with lifter plate 12 of two connecting rods 5, the one side terminal surface outside of lifter plate 12 is provided with a plurality of magic subsides hair face 13, one side of a plurality of magic subsides hair face 13 is provided with yarn curtain 14, the upper end of one side screw rod 20 runs through pole setting 3 and fixed connection driven pulley 11, the upper end of opposite side screw rod 20 runs through pole setting 3 and fixed connection driving pulley 7, the upper end of driving pulley 7 is provided with support frame 9, the up end middle part of support frame 9 is provided with servo motor 8, the one side lower extreme fixedly connected with connecting rod 15 of two driving sleeve 19, the both ends of threaded rod 15 all threaded connection has 16;

this screen crane is provided with high angle adjustment mechanism, lifter plate 12 rotates through screw rod 20 and drives lifter plate 12 and reciprocate, accomplishes high regulation, lifter plate 12 upper end and drive sleeve 19 rotate and be connected to at the lower extreme fixedly connected with connecting rod 15 of drive sleeve 19, the equal threaded connection in both ends of connecting rod 15 has threaded rod 16, rotates threaded rod 16 through changeing 17 and makes threaded rod 16 move forward, thereby makes lifter plate 12 rotate, accomplishes angle adjustment, through this structural design, has improved the convenience of regulation greatly.

The utility model provides a yarn curtain 14's one side terminal surface outside is provided with a plurality of magic subsides and colludes face 18, colludes face 18 through the magic subsides that set up and conveniently fixes yarn curtain 14, servo motor 8's output and driving pulley 7 fixed connection, through servo motor 8 and the power supply that provides, driving pulley 7 and driven pulley 11 pass through belt 10 and are connected, both make the screw rod 20 on both sides rotate at the same speed through belt 10, the equal fixedly connected with of one end of two threaded rods 16 changes handle 17, the convenient threaded rod 16 that rotates of handle 17 through setting, the equal fixedly connected with auto-lock universal wheel 1 in lower terminal surface four corners department of bottom plate 2, the removal convenience of the device is improved through the auto-lock universal wheel 1 that sets up, the equal fixedly connected with bracing piece 4 of one side terminal surface lower extreme both sides of lifter plate 12 increases the stability of lifter plate 12 through the bracing piece 4 that sets up, magic subsides colludes face 18 and magic subsides hair face 13 closely laminate, make yarn curtain 14 be difficult for rocking through both closely laminating.

Working principle: when the device is used, the height angle adjusting mechanism is arranged, the lifting plate 12 is driven to move up and down through the rotation of the screw rod 20 to finish height adjustment, the upper end of the lifting plate 12 is in rotary connection with the transmission sleeve 19, the lower end of the transmission sleeve 19 is fixedly connected with the connecting rod 15, the two ends of the connecting rod 15 are both in threaded connection with the threaded rod 16, the threaded rod 16 is enabled to move forwards through the rotation of the rotating handle 17, the lifting plate 12 is enabled to rotate to finish angle adjustment, the convenience of adjustment is greatly improved through the structural design, the plurality of magic hook surfaces 13 are arranged on the outer side of one side end surface of the lifting plate 12, the plurality of magic hook surfaces 18 are arranged on one side end surface of the yarn curtain 14, and the two magic hook surfaces are tightly attached, so that when the yarn curtain 14 is used outdoors, the yarn curtain 14 is not interfered by wind, the ornamental value is improved, the self-locking universal wheels 1 are fixedly connected to four corners of the lower end of the bottom plate 2, the moving convenience of the device is greatly improved, and the convenience of use is improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a screen crane, includes bottom plate (2), its characterized in that: the two sides of the upper end face of the bottom plate (2) are fixedly connected with vertical rods (3), the two inner parts of the vertical rods (3) are rotationally connected with screw rods (20), the two outer walls of the screw rods (20) are in threaded connection with transmission sleeves (19), the upper ends of the transmission sleeves (19) are fixedly connected with fixed blocks (6), the front ends of the two fixed blocks (6) are rotationally connected with connecting rods (5), the front ends of the two connecting rods (5) are fixedly connected with lifting plates (12), a plurality of magic tape surfaces (13) are arranged on the outer side of one end face of each lifting plate (12), one side of a plurality of magic is pasted mao face (13) is provided with yarn curtain (14), one side the upper end of screw rod (20) runs through pole setting (3) and fixed connection driven pulley (11), the opposite side the upper end of screw rod (20) runs through pole setting (3) and fixed connection driving pulley (7), the upper end of driving pulley (7) is provided with support frame (9), the up end middle part of support frame (9) is provided with servo motor (8), two one side lower extreme fixedly connected with connecting rod (15) of drive sleeve (19), the equal threaded connection in both ends of connecting rod (15) has threaded rod (16).

2. A veil lifting frame as claimed in claim 1, wherein: a plurality of magic hook faces (18) are arranged on the outer side of one side end face of the screen (14).

3. A veil lifting frame as claimed in claim 1, wherein: the output end of the servo motor (8) is fixedly connected with the driving belt wheel (7).

4. A veil lifting frame as claimed in claim 1, wherein: the driving pulley (7) is connected with the driven pulley (11) through a belt (10).

5. A veil lifting frame as claimed in claim 1, wherein: one end of each threaded rod (16) is fixedly connected with a rotating handle (17).

6. A veil lifting frame as claimed in claim 1, wherein: the four corners of the lower end surface of the bottom plate (2) are fixedly connected with self-locking universal wheels (1).

7. A veil lifting frame as claimed in claim 1, wherein: the two sides of the lower end of one side end face of the lifting plate (12) are fixedly connected with supporting rods (4).

8. A veil lifting frame as claimed in claim 2, wherein: the hook surface (18) is tightly attached to the hook surface (13).