A digital media projection device

By introducing a protective frame and a buffer rubber layer into the digital media projection equipment, combined with an electric push rod and a sliding slider design, the problem of collision damage when the equipment is not in use is solved, achieving stability and flexible movement of the equipment, and improving safety and convenience during use.

CN224381172UActive Publication Date: 2026-06-19HEFEI VOCATIONAL COLLEGE OF FINANCE & ECONOMICS

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HEFEI VOCATIONAL COLLEGE OF FINANCE & ECONOMICS
Filing Date
2025-07-10
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing digital media projection equipment is easily damaged by external impacts when not in use, reducing its practicality.

Method used

The design incorporates a protective frame and a buffer rubber layer to safeguard the projection equipment. A combination of an electric push rod and a sliding block allows for stable height adjustment and movement of the projection equipment. Casters are also included for easy movement.

Benefits of technology

It improves the protective performance of projection equipment, ensures the safety of the equipment when it is not in use, and enhances the flexibility of the equipment in different scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to a digital media projection device, belonging to the technical field of projection equipment. It includes a base and a projection device body. Support plates are fixed to both sides of the upper surface of the base, and protective mechanisms are provided on the upper surfaces of the support plates on both sides. A driving component is provided on the upper surface of the base, and universal wheels are rotatably connected to the four corners of the lower surface of the base. The protective mechanisms are fixed to the protective frames on the upper surfaces of the support plates on both sides, and support rods are slidably connected inside the sliding holes. This digital media projection device effectively protects the projection device body through the design of the protective frame and buffer rubber layer, improving its protective performance when not in use. The design of the electric push rod and sliding slider ensures the stability of the projection device when adjusting its height, improving the projection effect. The universal wheels make the device more flexible to move, facilitating use in different scenarios.
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Description

Technical Field

[0001] This utility model relates to the field of projection equipment technology, specifically a digital media projection device. Background Technology

[0002] With the rapid development of information technology, digital media has developed rapidly, and digital media projection equipment, as an important piece of media technology equipment, has played a significant role in promoting the development of digital media.

[0003] For example, CN211649630U discloses a digital media projection device, including a base, a support plate mounted on the top of the base, a bottom support rod mounted on the top of the support plate, a lifting bracket mounted on the top of the bottom support rod, a rotation controller mounted on the top of the cylindrical side of the lifting bracket, a rotating shaft mounted on the top of the lifting bracket, a projector housing mounted on the top of the rotating shaft, a top cover mounted on the top of the projector housing, a signal receiver mounted on the top of the top cover, a start switch mounted on one side of the top cover, a top screen rod mounted on the front end of the U-shaped groove of the top cover, and projection lenses and a digital control keyboard symmetrically arranged on both sides of the front of the projector housing. This utility model device, through the top screen rod located in front of the top cover, can achieve the raising and lowering of the screen, thereby avoiding the adverse effects of dust on the projection lenses.

[0004] While the aforementioned patent can avoid the adverse effects of dust on the projection lens, the existing technology of this patent leaves the projection device exposed on the outside when not in use, making it susceptible to damage from collisions with external objects, thus reducing its practicality. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a digital media projection device that offers advantages such as improved protection performance when the digital media projection device is not in use, thus solving the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A digital media projection device includes a base and a projection device body. Support plates are fixed on both the left and right sides of the upper surface of the base. Protective mechanisms are provided on the upper surfaces of the support plates on both sides. A drive assembly is provided on the upper surface of the base. Universal wheels are rotatably connected to the four corners of the lower surface of the base.

[0008] The protective mechanism is fixed to the protective frame on the upper surface of the left and right support plates. The bottom wall of the inner cavity of the protective frame is fixed with a buffer rubber layer. The lower surface of the protective frame and the buffer rubber layer are both provided with sliding holes. A support rod is slidably connected inside the sliding hole. A protective cover is fixed to the upper surface of the projection device body. A mounting plate is fixed to the top of the support rod. The projection device body is fixed to the upper surface of the mounting plate by bolts.

[0009] Furthermore, the drive assembly includes an electric push rod fixed to the upper surface of the base. The outer side of the output shaft of the electric push rod is fixedly connected to the bottom end of the support rod. The upper and lower sides of the front and back of the support plates on both the left and right sides are fixed with connecting plates by bolts. Slide grooves are opened on the opposite side of the support plates on both the left and right sides. A slider is fixed to the outer side of the support rod. The sliders are slidably connected inside the slide grooves on both the left and right sides.

[0010] Furthermore, the inner diameter of the sliding hole is adapted to the outer diameter of the support rod.

[0011] Furthermore, the slider moves linearly up and down inside the groove.

[0012] Furthermore, the support plates on the left and right sides are symmetrically distributed on the left and right sides of the longitudinal central axis of the base.

[0013] Furthermore, the support rod is slidably connected to the opposite side of the left and right support plates.

[0014] Furthermore, a rubber sealing ring is fixed to the lower surface of the protective cover.

[0015] Furthermore, a projection lens, a control panel, and a power switch are respectively arranged on the front of the projection device body, and a signal receiver is arranged on the right side of the projection device body.

[0016] Compared with the prior art, this utility model provides a digital media projection device, which has the following features:

[0017] Beneficial effects:

[0018] This digital media projection device effectively protects the device itself through its protective frame and buffer rubber layer design, enhancing its protective performance when not in use. The electric push rod and sliding slider design ensure the stability of the device when adjusting its height, improving the projection effect. The universal wheels make the device more flexible to move and easy to use in different scenarios. Attached Figure Description

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

[0020] Figure 2This is a schematic diagram of the protective mechanism of this utility model;

[0021] Figure 3 This is a top view of the protective frame of this utility model;

[0022] Figure 4 This is a schematic diagram of the drive component of this utility model.

[0023] In the diagram: 1. Base, 2. Projector body, 3. Support plate, 4. Protective mechanism, 401. Protective frame, 402. Buffer rubber layer, 403. Sliding hole, 404. Support rod, 405. Protective cover, 406. Mounting plate, 5. Drive assembly, 501. Electric push rod, 502. Connecting plate, 503. Slide groove, 504. Slider, 6. Casters. 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] Please see Figure 1 The digital media projection device in this embodiment includes a base 1 and a projection device body 2. Support plates 3 are fixed on both the left and right sides of the upper surface of the base 1. Protective mechanisms 4 are provided on the upper surfaces of the support plates 3 on both sides. A drive assembly 5 is provided on the upper surface of the base 1. Universal wheels 6 are rotatably connected to the four corners of the lower surface of the base 1.

[0026] In this embodiment, the left and right support plates 3 are symmetrically distributed on the left and right sides of the longitudinal central axis of the base 1. The front of the projection device body 2 is provided with a projection lens, a control panel and a start switch, and the right side of the projection device body 2 is provided with a signal receiver.

[0027] It should be noted that the projection device body 2 is existing technology. The projection device body 2 can be turned on by turning on the start switch, and then projection is performed through the projection lens. The media material can be transmitted to the projection device body 2 for projection through the signal receiver.

[0028] Please see Figures 2 to 3In this embodiment, the protective mechanism 4 is fixed to the protective frame 401 on the upper surface of the left and right support plates 3. The bottom wall of the inner cavity of the protective frame 401 is fixed with a buffer rubber layer 402. The lower surfaces of the protective frame 401 and the buffer rubber layer 402 are both provided with sliding holes 403. The inside of the sliding hole 403 is slidably connected with a support rod 404. The upper surface of the projection device body 2 is fixed with a protective cover 405. The top end of the support rod 404 is fixed with a mounting plate 406. The projection device body 2 is fixed to the upper surface of the mounting plate 406 by bolts.

[0029] Specifically, the inner diameter of the sliding hole 403 is matched with the outer diameter of the support rod 404. The support rod 404 is slidably connected to the opposite side of the left and right support plates 3. A rubber sealing ring is fixed on the lower surface of the protective cover 405. The design of the protective frame 401 and the buffer rubber layer 402 effectively protects the projection equipment body 2 and reduces the damage to the equipment caused by collisions and vibrations.

[0030] It should be noted that the projection device body 2 can move downwards and move into the interior of the protective frame 401, thereby improving the protective performance of the outer side of the projection device body 2. Digital media has developed rapidly, and digital media projection devices, as important media technology equipment, have played an important role in promoting the development of digital media.

[0031] Please see Figure 4 In this embodiment, the drive assembly 5 includes an electric push rod 501 fixed to the upper surface of the base 1. The outer side of the output shaft of the electric push rod 501 is fixedly connected to the bottom end of the support rod 404. The upper and lower sides of the front and back of the left and right support plates 3 are fixed with connecting plates 502 by bolts. The opposite side of the left and right support plates 3 is provided with a sliding groove 503. The outer side of the support rod 404 is fixed with a slider 504. The sliders 504 are slidably connected inside the sliding grooves 503 on the left and right sides.

[0032] Specifically, the slider 504 moves linearly up and down inside the groove 503.

[0033] It should be noted that the interaction between the slider 504 and the slide groove 503 can improve the stability of the support rod 404 moving up and down, and the four casters 6 can move the digital media projection device on the ground.

[0034] The working principle of the above embodiments is as follows:

[0035] In use, the electric push rod 501 can be activated to move the support rod 404 up and down, thereby adjusting the horizontal height of the projection device body 2. When the projection device body 2 is not in use, the electric push rod 501 can be activated to move the projection device body 2 down, allowing it to move into the protective frame 401, thus improving the protective performance of the outside of the projection device body 2. The interaction between the slider 504 and the slide groove 503 can improve the stability of the support rod 404 moving up and down. The four casters 6 can move the digital media projection device on the ground.

[0036] It should be noted that the orientations or positional relationships indicated herein are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of facilitating the description of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0037] 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 a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0038] 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. A digital media projection device comprising a base (1) and a projection device body (2), characterized in that: Support plates (3) are fixed on both the left and right sides of the upper surface of the base (1). A protective mechanism (4) is provided on the upper surface of the support plates (3) on both the left and right sides. A drive assembly (5) is provided on the upper surface of the base (1). Universal wheels (6) are rotatably connected to the four corners of the lower surface of the base (1). The protective mechanism (4) is fixed to the protective frame (401) on the upper surface of the left and right support plates (3). The bottom wall of the inner cavity of the protective frame (401) is fixed with a buffer rubber layer (402). The lower surfaces of the protective frame (401) and the buffer rubber layer (402) are both provided with sliding holes (403). The sliding holes (403) are slidably connected with support rods (404). The upper surface of the projection device body (2) is fixed with a protective cover (405). The top of the support rod (404) is fixed with a mounting plate (406). The projection device body (2) is fixed to the upper surface of the mounting plate (406) by bolts.

2. The digital media projection device of claim 1, wherein: The drive assembly (5) includes an electric push rod (501) fixed to the upper surface of the base (1). The outer side of the output shaft of the electric push rod (501) is fixedly connected to the bottom end of the support rod (404). The upper and lower sides of the front and back of the support plates (3) on both the left and right sides are fixed with connecting plates (502) by bolts. The opposite side of the support plates (3) on both the left and right sides is provided with a sliding groove (503). The outer side of the support rod (404) is fixed with a slider (504). The slider (504) is slidably connected inside the sliding groove (503) on both the left and right sides.

3. The digital media projection device of claim 1, wherein: The inner diameter of the sliding hole (403) is adapted to the outer diameter of the support rod (404).

4. The digital media projection device of claim 2, wherein: The slider (504) moves linearly up and down inside the groove (503).

5. The digital media projection device of claim 1, wherein: The support plates (3) on the left and right sides are symmetrically distributed on the left and right sides of the longitudinal central axis of the base (1).

6. The digital media projection device of claim 1, wherein: The support rod (404) is slidably connected to the opposite side of the left and right support plates (3).

7. The digital media projection device of claim 1, wherein: A rubber sealing ring is fixed to the lower surface of the protective cover (405).

8. The digital media projection device of claim 1, wherein: The front of the projection device body (2) is provided with a projection lens, a control panel and a power switch, and the right side of the projection device body (2) is provided with a signal receiver.