Angle-adjustable projector lifting equipment

By introducing an angle adjustment component into the projector device, and using an electric push rod to adjust the lifting plate and the rotation of the shaft, the problem of inconvenient adjustment of the projector's pitch angle is solved, realizing flexible adjustment of height and angle and improving ease of use.

CN223740511UActive Publication Date: 2025-12-30ZENE CULTURE MEDIA BEIJING
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Patent Information

Application Number
CN202520173180.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-26
Publication Date
2025-12-30
Estimated Expiration
2035-01-26

AI Technical Summary

Technical Problem

Existing projector devices are not convenient for adjusting the tilt angle.

Method used

An angle adjustment assembly is used. The first electric push rod drives the lifting plate to raise and lower to adjust the height, and the second electric push rod drives the rotating shaft to rotate to adjust the pitch angle.

Benefits of technology

It enables flexible adjustment of the projector's height and tilt angle, improving ease of use and simplicity of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses angle-adjustable projector lifting equipment, and relates to the technical field of projector lifting, the angle-adjustable projector lifting equipment comprises a storage box, the telescopic shaft end of a first electric push rod is fixedly connected with a lifting plate, and the center of the top of the lifting plate is fixedly connected with a rotating motor; the angle adjusting assembly comprises a connecting rod fixedly connected to the surface of the rotating disc, the surface of the connecting rod is rotationally connected with a second electric push rod, the telescopic shaft end of the second electric push rod is rotationally connected with a rotating shaft, the surface of the mounting frame is rotationally connected with a connecting frame, and the connecting frame is fixedly connected with the mounting box. And the rotating shaft is fixedly connected with the connecting frame. And an angle adjusting assembly is arranged, a first electric push rod stretches out and draws back to drive a lifting plate to ascend and descend so as to change the height of the mounting box and adjust the height of the mounting box, a second electric push rod stretches out and draws back to drive a rotating shaft to move, so that a connecting frame rotates, the pitching angle of the mounting box is adjusted, and use is convenient.
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Description

Technical Field

[0001] This utility model relates to the field of projector lifting technology, specifically to an angle-adjustable projector lifting device. Background Technology

[0002] A projector is a device that projects images or videos onto a screen. It can be connected to computers, CVD, DVD, BD, game consoles, DV, etc., via various interfaces to play corresponding video signals. Projectors are widely used in homes, offices, schools, and entertainment venues. Depending on their operating method, there are different types such as CRT, LCD, and DPL. Currently, most projectors are fixed, directly suspended from the ceiling or the top of a rack using a mounting bracket.

[0003] A search of existing published patents revealed that, according to patent number CN201922311737.6, entitled "An Angle-Adjustable Projector Lifting Device," the device comprises a fixed base plate, a support plate, a rotating disk, a lifting adjustment assembly, and a rotating fixing device. The support plate is vertically mounted on the fixed base plate and has a through hole in its center. The rotating disk is annularly arranged and rotates within the through hole. The lifting adjustment assembly is located within the rotating disk, and the rotating fixing device is located on one side of the disk. The lifting adjustment assembly includes an upper adjustment assembly, a lower adjustment assembly, and a lifting threaded column. The lifting threaded column is located within the rotating disk and is perpendicular to the fixed base plate. The rotating fixing device is located between the upper and lower adjustment assemblies. This invention belongs to the field of projector technology; specifically, it provides an angle-adjustable projector lifting device capable of adjusting various angles and directions of the projector, and can adjust the projector's height. This solves the problem of inconvenient angle and height adjustment after the projector is fixed in the prior art, and is simple to operate and structurally stable.

[0004] However, the aforementioned device is not convenient for adjusting the projector's tilt angle, leaving room for improvement. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides an angle-adjustable projector lifting device, which solves the problem of inconvenient adjustment of the projector's tilt angle.

[0007] Technical solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: an angle-adjustable projector lifting device, comprising: a storage box, a first electric push rod symmetrically arranged on the top of the storage box, a lifting plate fixedly connected to the telescopic shaft end of the first electric push rod, a rotary motor fixedly connected to the center of the top of the lifting plate, a rotating disk fixedly connected to the output shaft end of the rotary motor, a mounting frame symmetrically arranged at the bottom of the rotating disk, a mounting box rotatably connected to the surface of the mounting frame, an opening on one side of the mounting box, and an angle adjustment component arranged on the rotating disk;

[0009] The angle adjustment assembly includes a connecting rod fixedly connected to the surface of the rotating disk, a second electric push rod rotatably connected to the surface of the connecting rod, a rotating shaft rotatably connected to the telescopic shaft end of the second electric push rod, a connecting frame rotatably connected to the surface of the mounting bracket, the connecting frame being fixedly connected to the mounting box, and the rotating shaft being fixedly connected to the connecting frame.

[0010] Preferably, the surface of the mounting box is evenly distributed with multiple sets of heat dissipation grooves, the bottom of the mounting box is symmetrically provided with connecting blocks, and the bottom of the connecting blocks is fixedly connected with baffles.

[0011] Preferably, a cover plate is fixedly connected to the bottom of the storage box, and a limiting groove is formed on the surface of the cover plate. The size of the baffle is the same as the size of the limiting groove.

[0012] Preferably, mounting blocks are symmetrically arranged on the top of the storage box, and mounting holes are formed on the surface of the mounting blocks.

[0013] Preferably, the rotary motor is positioned at the center of the top of the lifting plate, and the first electric push rod is symmetrically positioned at the top of the lifting plate.

[0014] Preferably, the connecting rods are symmetrically arranged on the surface of the rotating disk, and the inner wall of the mounting box is provided with anti-slip grooves.

[0015] Preferably, a sealing ring is fixedly connected around the perimeter of the baffle.

[0016] Beneficial effects

[0017] This utility model provides an angle-adjustable projector lifting device, which has at least the following advantages compared with the prior art:

[0018] An angle adjustment component is provided. The lifting plate is raised and lowered by extending and retracting the first electric push rod, thereby changing the height of the mounting box. The height of the mounting box is adjusted by extending and retracting the second electric push rod, which drives the rotating shaft to move, thereby rotating the connecting frame and adjusting the pitch angle of the mounting box for ease of use. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the angle adjustment component of this utility model;

[0021] Figure 3 This is a schematic diagram of the cover plate and limiting groove of this utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the first electric push rod and lifting plate of this utility model.

[0023] In the diagram: 1. Storage box; 2. First electric push rod; 3. Lifting plate; 4. Rotary motor; 5. Rotary disk; 6. Mounting frame; 7. Mounting box; 8. Mounting block; 9. Mounting hole; 10. Heat dissipation groove; 11. Connecting block; 12. Baffle; 13. Cover plate; 14. Limiting groove; 15. Angle adjustment assembly; 1501. Connecting rod; 1502. Second electric push rod; 1503. Rotating shaft; 1504. Connecting frame; 16. Stop bar; 17. Locking bolt. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example 1:

[0026] Please see Figure 1-4 The present invention provides a technical solution: a storage box 1, a first electric push rod 2 symmetrically arranged on the top of the storage box 1, a lifting plate 3 fixedly connected to the telescopic shaft end of the first electric push rod 2, a rotary motor 4 fixedly connected to the center of the top of the lifting plate 3, a rotating disk 5 fixedly connected to the output shaft end of the rotary motor 4, a mounting frame 6 symmetrically arranged at the bottom of the rotating disk 5, a mounting box 7 rotatably connected to the surface of the mounting frame 6, an opening on one side of the mounting box 7, and an angle adjustment component 15 arranged on the rotating disk 5;

[0027] The angle adjustment assembly 15 includes a connecting rod 1501 fixedly connected to the surface of the rotating disk 5, a second electric push rod 1502 rotatably connected to the surface of the connecting rod 1501, a rotating shaft 1503 rotatably connected to the telescopic shaft end of the second electric push rod 1502, a connecting frame 1504 rotatably connected to the surface of the mounting frame 6, the connecting frame 1504 being fixedly connected to the mounting box 7, and the rotating shaft 1503 being fixedly connected to the connecting frame 1504.

[0028] Analysis of the above: An angle adjustment component 15 is provided. The lifting plate 3 is raised or lowered by the extension and retraction of the first electric push rod 2, thereby changing the height of the mounting box 7. The height of the mounting box 7 is adjusted by the extension and retraction of the second electric push rod 1502, which moves the rotating shaft 1503, causing the connecting frame 1504 to rotate, thus adjusting the pitch angle of the mounting box 7 for ease of use. After use, the first electric push rod 2 retracts, retracting the mounting box 7 into the storage box 1, protecting the projector inside the mounting box 7.

[0029] Example 2:

[0030] Please see Figure 1-4 This utility model provides a technical solution based on Embodiment 1: Multiple sets of heat dissipation grooves 10 are evenly distributed on the surface of the mounting box 7, and connecting blocks 11 are symmetrically arranged at the bottom of the mounting box 7. A baffle 12 is fixedly connected to the bottom of the connecting block 11. Sealing rings are fixedly connected around the baffle 12.

[0031] Analysis of the above: Multiple heat dissipation slots 10 are installed to dissipate heat from the projector inside the mounting box 7, preventing heat buildup. The aesthetics are improved through the use of connecting blocks 11 and baffles 12.

[0032] Example 3:

[0033] Please see Figure 1-4 Based on Embodiment 1, this utility model provides a technical solution: a cover plate 13 is fixedly connected to the bottom of the storage box 1, and a limiting groove 14 is opened on the surface of the cover plate 13. The size of the baffle 12 is the same as the size of the limiting groove 14.

[0034] Analysis of the above: The bottom of the storage box 1 is sealed by the cooperation of the cover plate 13 and the baffle plate 12, preventing dust from entering the storage box 1 when the installation box 7 is put into the storage box 1. The baffle plate 12 is fixedly connected with sealing rings around its perimeter, improving the sealing performance of the bottom of the storage box 1.

[0035] Example 4:

[0036] Please see Figure 1-4 Based on Embodiment 1, this utility model provides a technical solution: the top of the storage box 1 is symmetrically provided with mounting blocks 8, and the surface of the mounting blocks 8 is provided with mounting holes 9.

[0037] Analysis of the above content: The storage box 1 is installed by the cooperation of the mounting block 8 and the mounting hole 9. It can be installed from the top or the bottom, which is very convenient and practical.

[0038] Example 5:

[0039] Please see Figure 1-4Based on Embodiment 1, this utility model provides a technical solution: a rotary motor 4 is located at the center of the top of the lifting plate 3, and a first electric push rod 2 is symmetrically arranged at the top of the lifting plate 3.

[0040] Analysis of the above: The rotating disk 5 is rotated by the rotary motor 4, thereby adjusting the angle of the mounting box 7. The lifting plate 3 is raised and lowered by the extension and retraction of the first electric push rod 2, thereby changing the height of the mounting box 7.

[0041] Example 6:

[0042] Please see Figure 1-4 Based on Embodiment 1, this utility model provides a technical solution: connecting rods 1501 are symmetrically arranged on the surface of rotating disk 5, and anti-slip grooves are provided on the inner wall of mounting box 7.

[0043] Analysis of the above content: The inner wall of the mounting box 7 is provided with anti-slip grooves to facilitate the installation of the projector. A stop bar 16 is rotatably connected to one side of the opening of the mounting box 7, and a locking bolt 17 is threaded on the surface of the stop bar 16.

[0044] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0045] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An angle adjustable projector lifting device, characterized in that, Include: The storage box (1), the first electric push rod (2) is arranged on the top of the storage box (1) symmetrically, the telescopic shaft end of the first electric push rod (2) is fixedly connected with the lifting plate (3), the lifting plate (3) is fixedly connected with the rotating motor (4) in the middle position of the top, the output shaft end of the rotating motor (4) is fixedly connected with the rotating disc (5), the rotating disc (5) is symmetrically provided with the mounting bracket (6) on the bottom, the mounting bracket (6) is rotatably connected with the mounting box (7) on the surface, one side of the mounting box (7) is provided as an opening, the rotating disc (5) is provided with an angle adjusting assembly (15); The angle adjusting assembly (15) includes a connecting rod (1501) fixedly connected to the surface of the rotating disc (5), the connecting rod (1501) is rotatably connected with the second electric push rod (1502) on the surface, the telescopic shaft end of the second electric push rod (1502) is rotatably connected with the rotating shaft (1503), the mounting bracket (6) is rotatably connected with the connecting frame (1504) on the surface, the connecting frame (1504) is fixedly connected with the mounting box (7), and the rotating shaft (1503) is fixedly connected with the connecting frame (1504).

2. An angle adjustable projector lifting device according to claim 1, characterized in that: The mounting box (7) is uniformly distributed with a plurality of groups of heat dissipation grooves (10) on the surface, the mounting box (7) is symmetrically provided with a connecting block (11) on the bottom, and the connecting block (11) is fixedly connected with a baffle (12) on the bottom.

3. An angle adjustable projector lifting device as claimed in claim 2, wherein: The bottom of the storage box (1) is fixedly connected with a cover plate (13), the surface of the cover plate (13) is provided with a limiting groove (14), and the size of the baffle (12) is the same as that of the limiting groove (14).

4. An angle adjustable projector lifting device as claimed in claim 1, wherein: The top of the storage box (1) is symmetrically provided with a mounting block (8), and the mounting hole (9) is formed in the surface of the mounting block (8).

5. An angle adjustable projector lifting device as claimed in claim 1, wherein: The rotating motor (4) is arranged in the middle position of the top of the lifting plate (3), and the first electric push rod (2) is symmetrically arranged on the top of the lifting plate (3).

6. An angle adjustable projector lifting device as claimed in claim 1, wherein: The connecting rod (1501) is symmetrically arranged on the surface of the rotating disc (5), and the inner wall of the mounting box (7) is provided with an anti-skid groove.

7. An angle adjustable projector lifting device as claimed in claim 2, wherein: The baffle (12) is fixedly connected with a sealing ring around.

Citation Information

Patent Citations

  • Projector lifting equipment with adjustable angle

    CN211176108U