Projection type computer display device

Abstract

The invention relates to the technical field of projection display, and discloses a projection type computer display device which comprises a protective shell, a first telescopic rod is fixedly connected to the middle end of the top of the protective shell, a display screen is fixedly connected to the top of the first telescopic rod, and a second spring is fixedly connected to the inner wall of the bottom of the first telescopic rod. The bottom of the protective shell is fixedly connected with a bottom plate, the mobile mechanism comprises a fixed rod, and the fixed rod is arranged at the bottom of the bottom plate. By arranging the moving mechanism, the position of the display screen can be freely and flexibly changed by means of the moving mechanism, the display screen can be easily located at the optimal display position only by accurately adjusting the moving distance of the moving mechanism when meeting different use scene requirements, the adaptability and convenience of the display screen are greatly improved, and the use experience of the display screen is improved. And therefore, the system can better serve diversified use environments, and more efficient and flexible use experience is brought to users.

Description

Technical Field

[0001] The present invention relates to the technical field of projection display, and particularly to a projection type computer display device. Background Art

[0002] The working principle of a projection type computer display device is to transmit the image signal output by the computer to the image display element inside the projector. The image display element generates a corresponding image according to the signal, and then magnifies and projects the image onto the screen through the optical system.

[0003] The patent application with the application number CN202420356931.4 discloses an adjustable screen for a screen mirroring device, including a base. A driving motor is installed at the middle position of the bottom inner wall of the base. The output end of the driving motor is connected to a rotating rod. The upper side wall of the rotating rod penetrates through the middle position of the upper side wall of the base. The middle position of the lower side wall of the rotating disk is connected to the middle position of the upper side wall of the rotating rod.

[0004] The current projection type computer displays have certain limitations. They cannot achieve position movement in the projection state. This characteristic directly results in a fixed projection range, making it difficult to flexibly adjust according to the actual usage scenario, greatly reducing the applicable scenarios and scope of this type of display, and unable to fully meet the diverse usage requirements. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a projection type computer display device to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A projection type computer display device, including a protective shell. A first telescopic rod is fixedly connected to the middle of the top of the protective shell. A display screen is fixedly connected to the top of the first telescopic rod. A second spring is fixedly connected to the inner wall of the bottom of the first telescopic rod. A bottom plate is fixedly connected to the bottom of the protective shell. It further includes:

[0007] A moving mechanism. The moving mechanism includes a fixed rod. The fixed rod is arranged at the bottom of the bottom plate. A connecting plate is fixedly connected to the side of the fixed rod away from the bottom plate. Both the left and right sides of the connecting plate are rotatably connected to a baffle through a first rotating shaft. Both sides of the two baffles away from each other are rotatably connected to a moving wheel through a second rotating shaft. A first spring is fixedly connected to both sides of the two baffles close to each other. A contact ring is arranged on the outer wall of the fixed rod. The inner wall of the contact ring is fixedly connected to the outer wall of the fixed rod. A positioning rod is fixedly connected to the side of the contact ring close to the moving wheel. Both sides of the two positioning rods close to the moving wheel are rotatably connected to a pulling plate through a third rotating shaft. Both sides of the two pulling plates close to the baffle are fixedly connected to the outer wall of the baffle. The first spring is used to pull the baffles to approach each other.

[0008] According to the above technical solution, a limiting mechanism is further included. The limiting mechanism includes a load-bearing block. One side of the load-bearing block close to the inner wall of the protective shell is fixedly connected to the inner wall of the protective shell. The side of the load-bearing block away from the protective shell is fixedly connected with a second telescopic rod, and the second telescopic rod is used to control the distance between the arc-shaped block and the load-bearing block.

[0009] According to the above technical solution, one side of the second telescopic rod away from the load-bearing block is fixedly connected with an arc-shaped block. A sliding groove is formed on the side of the arc-shaped block away from the second telescopic rod, and the arc-shaped block is used to limit the movement of the moving wheel.

[0010] According to the above technical solution, a sliding plate is slidably connected to the inner wall of the sliding groove. A top rod is fixedly connected to the top of the sliding plate. A top block is fixedly connected to the side of the load-bearing block away from the bottom plate, and the top rod is used to pull the tension belt to contract.

[0011] According to the above technical solution, a tension belt is fixedly connected to the side of the top block close to the arc-shaped block. The side of the tension belt close to the arc-shaped block is attached to the top of the arc-shaped block. The limiting mechanism is provided with four groups and is installed around the inner wall of the protective shell, and the tension belt is used to pull the arc-shaped block to move.

[0012] According to the above technical solution, a pushing mechanism is further included. The pushing mechanism includes a spring rod. The bottom of the spring rod is fixedly connected to the top of the fixed rod. A rotating ring is arranged on the outer wall of the top of the spring rod, and the inner wall of the rotating ring is fixedly connected to the outer wall of the spring rod, and the spring rod is used to pull the fixed rod to move.

[0013] According to the above technical solution, a bent plate is fixedly connected to the side of the rotating ring away from the first telescopic rod. A hanging rod is arranged at the bottom of the bent plate, and the top of the hanging rod is fixedly connected to the bottom of the bent plate, and the bent plate is used to push the rotating ring to rotate.

[0014] According to the above technical solution, a moving block is fixedly connected to the bottom of the hanging rod. The moving block is slidably connected to the inner wall of the bottom of the first telescopic rod. The side of the moving block close to the second spring is fixedly connected to the second spring, and the second spring is used to reset the moving block.

[0015] Compared with the prior art, the present invention provides a projection type computer display device, which has the following beneficial effects:

[0016] 1. The present invention is provided with a moving mechanism. With the aid of this mechanism, the position of the display screen can be changed freely and flexibly. When facing different usage scenario requirements, only the moving distance of the moving mechanism needs to be accurately adjusted, and then the display screen can be easily placed in the best display position, greatly enhancing the adaptability and convenience of the display screen, enabling it to better serve diverse usage environments and bringing a more efficient and flexible usage experience to users.

[0017] 2. The present invention is provided with a pulling plate. Its function is that after the moving mechanism completes the upward movement operation, the moving wheels are unfolded by the action of the pulling plate. In this way, the moving wheels will come into contact with the bottom plate, thereby preventing the moving mechanism from contacting the ground, and further ensuring that after the movement is completed, the display screen can stably stay in a specific position without unnecessary displacement, guaranteeing the fixity and stability of the display screen position, and thus improving the viewing experience.

[0018] 3. The present invention is provided with a limiting mechanism, which plays a crucial role. When the moving mechanism moves upward, the limiting mechanism will exert a pulling force on the moving wheels, prompting the moving wheels to unfold. During this process, after the moving mechanism moves a specific distance, it can move forward autonomously relying on the unfolded moving wheels without continuously applying a pulling force, thereby effectively saving the pulling force.

[0019] 4. The present invention is provided with a pushing mechanism. The moving block in this mechanism can drive the bent plate to rotate slightly. In this way, when it is necessary to change the direction of the display screen, the user only needs to pull the bent plate, and then the movement operation of the display screen can be easily and conveniently achieved, meeting diverse direction adjustment requirements and enhancing the flexibility and convenience of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of the present invention;

[0021] Figure 2 is a schematic structural diagram of the spring rod of the present invention;

[0022] Figure 3 is a schematic structural diagram of the moving mechanism of the present invention;

[0023] Figure 4 is a schematic structural diagram of the contact ring of the present invention;

[0024] Figure 5 is a schematic structural diagram of the protective shell of the present invention;

[0025] Figure 6 is a schematic structural diagram of the limiting mechanism of the present invention;

[0026] Figure 7 is a schematic structural diagram of the first telescopic rod of the present invention;

[0027] Figure 8 This is a schematic structural diagram of the driving mechanism of the present invention.

[0028] In the figure: 1, display screen; 2, first telescopic rod; 3, protective shell; 4, bottom plate; 5, moving mechanism; 501, fixed rod; 502, connecting plate; 503, baffle; 504, first spring; 505, moving wheel; 506, contact ring; 507, positioning rod; 508, pulling plate; 6, limiting mechanism; 601, load-bearing block; 602, top block; 603, second telescopic rod; 604, tension belt; 605, sliding plate; 606, sliding groove; 607, arc-shaped block; 608, ejector rod; 7, driving mechanism; 701, bent plate; 702, rotating ring; 703, spring rod; 704, hanging rod; 705, moving block; 8, second spring. Specific embodiments

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0030] Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as a limitation of the present invention.

[0031] In the present invention, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] Embodiment 1: Refer to Figures 1 - 4 , the present invention provides a technical solution: a projection computer display device, including a protective shell 3, a first telescopic rod 2 is fixedly connected to the middle end of the top of the protective shell 3, a display screen 1 is fixedly connected to the top of the first telescopic rod 2, a second spring 8 is fixedly connected to the inner wall of the bottom of the first telescopic rod 2, a bottom plate 4 is fixedly connected to the bottom of the protective shell 3, and further includes:

[0033] Moving mechanism 5, the moving mechanism 5 includes a fixed rod 501, the fixed rod 501 is arranged at the bottom of the bottom plate 4, a connecting plate 502 is fixedly connected to the side of the fixed rod 501 away from the bottom plate 4, baffles 503 are rotatably connected to both the left and right sides of the connecting plate 502 through a first rotating shaft, moving wheels 505 are rotatably connected to the sides of the two groups of baffles 503 away from each other through a second rotating shaft, first springs 504 are fixedly connected to the sides of the two groups of baffles 503 close to each other. By providing the first springs 504, when the moving mechanism 5 starts to move downward, the moving wheels 505 can be pulled back into place through the first springs 504, so as not to interfere with the next use. A contact ring 506 is arranged on the outer wall of the fixed rod 501, the inner wall of the contact ring 506 is fixedly connected to the outer wall of the fixed rod 501, positioning rods 507 are fixedly connected to the side of the contact ring 506 close to the moving wheels 505, and pulling plates 508 are rotatably connected to the sides of the two groups of positioning rods 507 close to the moving wheels 505 through a third rotating shaft. By providing the pulling plates 508, the baffles 503 can be pulled, so that the baffles 503 can rotate quickly when rotating. The sides of the two groups of pulling plates 508 close to the baffles 503 are fixedly connected to the outer walls of the baffles 503. The first spring 504 is used to pull the baffles 503 closer to each other.

[0034] The working principle of this embodiment is as follows: When the display screen 1 finishes moving, the fixed rod 501 is pulled upward under the action of the spring rod 703, so that the entire moving mechanism 5 starts to move upward. When the moving mechanism 5 moves upward, it will pass through the bottom plate 4 and continue to move upward, and move inside the protective shell 3. At this time, the moving wheels 505 contact the arc-shaped blocks 607, and their movement is restricted by the arc-shaped blocks 607, and then they start to move to both sides. When the moving wheels 505 open, the pulling plates 508 are driven to rotate synchronously. The pulling plates 508 move through the positioning rods 507. During the rotation process, the baffles 503 are pulled to rotate. When the baffles 503 rotate, the first springs 504 are pulled and stretched towards the rotating two-sided baffles 503, and continuously approach the connecting plate 502 when rotating on the connecting plate 502 until they tend to be perpendicular to the connecting plate 502. At this time, the fixed rod 501 is subjected to a pulling force, causing the back surface of the baffle 503 to contact the top of the bottom plate 4, thus completing the entire working process, ensuring the stable fixed state of the display screen 1 after moving, enhancing the stability and reliability of the overall structure, reducing the risk of equipment damage that may be caused by shaking or displacement, and at the same time providing safety protection for the subsequent use of the equipment.

[0035] Embodiment Two: Please refer to Figures 5 - 6, on the basis of the first embodiment, the present invention provides a technical solution: further comprising a limiting mechanism 6, the limiting mechanism 6 includes a load-bearing block 601, one side of the load-bearing block 601 close to the inner wall of the protective shell 3 is fixedly connected to the inner wall of the protective shell 3, and the side of the load-bearing block 601 away from the protective shell 3 is fixedly connected to a second telescopic rod 603. The second telescopic rod 603 is used to control the distance between the arc-shaped block 607 and the load-bearing block 601. The side of the second telescopic rod 603 away from the load-bearing block 601 is fixedly connected to an arc-shaped block 607. By setting the arc-shaped block 607, the moving wheel 505 can be limited at the groove of the arc-shaped block 607, making it immovable, thereby restricting the moving distance of the moving mechanism 5. A sliding groove 606 is opened on the side of the arc-shaped block 607 away from the second telescopic rod 603. The arc-shaped block 607 is used to limit the movement of the moving wheel 505. A sliding plate 605 is slidably connected to the wall of the sliding groove 606. A top rod 608 is fixedly connected to the top of the sliding plate 605. By setting the top rod 608, the tension belt 604 can be lifted, and when the tension belt 604 rebounds, the arc-shaped block 607 approaches the load-bearing block 601, so that the moving wheel 505 can be quickly deployed. A top block 602 is fixedly connected to the side of the load-bearing block 601 away from the bottom plate 4. The top rod 608 is used to pull the tension belt 604 to contract. A tension belt 604 is fixedly connected to the side of the top block 602 close to the arc-shaped block 607. The side of the tension belt 604 close to the arc-shaped block 607 is attached to the top of the arc-shaped block 607. The limiting mechanism 6 is provided in four groups and is installed around the inner wall of the protective shell 3. The tension belt 604 is used to pull the arc-shaped block 607 to move.

[0036] The working principle of this embodiment is as follows: When the moving wheel 505 moves upward, it will come into contact with the arc-shaped block 607. Subsequently, during the continuous upward movement, it will touch the sliding plate 605, and then push the sliding plate 605 to slide upward in the sliding groove 606. When the sliding plate 605 moves upward, it will drive the top rod 608 to move upward synchronously. When the top rod 608 moves upward a certain distance, it will come into contact with the tension belt 604 and insert into it. At this time, when the top rod 608 continues to move upward, it will drive the tension belt 604 to move upward, causing the tension belt 604 to start contracting, and then pulling the arc-shaped block 607 to move towards the load-bearing block 601, making the second telescopic rod 603 contract. Finally, it causes the moving wheel 505 to rotate towards the load-bearing block 601, completing the entire working process, realizing the coordinated operation between components, and ensuring the stable operation and function realization of the equipment under corresponding working conditions.

[0037] Embodiment Three: Please refer to Figures 7 - 8, on the basis of the first and second embodiments, the present invention provides a technical solution: it further includes a pushing mechanism 7. The pushing mechanism 7 includes a spring rod 703. The bottom of the spring rod 703 is fixedly connected to the top of the fixed rod 501. A rotating ring 702 is arranged on the outer wall of the top of the spring rod 703. The inner wall of the rotating ring 702 is fixedly connected to the outer wall of the spring rod 703. This spring rod 703 is used to pull the fixed rod 501 to move. A bent plate 701 is fixedly connected to the side of the rotating ring 702 away from the first telescopic rod 2. A suspension rod 704 is arranged at the bottom of the bent plate 701. The top of the suspension rod 704 is fixedly connected to the bottom of the bent plate 701. This bent plate 701 is used to push the rotating ring 702 to rotate. The bottom of the suspension rod 704 is fixedly connected to a moving block 705. By setting the moving block 705, when the bent plate 701 is rotated, the moving block 705 can rotate around the first telescopic rod 2, thereby increasing the pushing direction. The moving block 705 is slidably connected to the inner wall of the bottom of the first telescopic rod 2. The side of the moving block 705 close to the second spring 8 is fixedly connected to the second spring 8. This second spring 8 is used to reset the moving block 705.

[0038] The working principle of this embodiment is as follows: When the display screen 1 needs to be moved, the bent plate 701 is pulled. The bent plate 701 drives the rotating ring 702 to move synchronously. The rotating ring 702 then drives the spring rod 703 at the bottom to move in the same direction. If it is difficult to pull the bent plate 701 on one side, the bent plate 701 can be rotated to a suitable direction and then pulled again. During the rotation of the bent plate 701, the suspension rod 704 will be driven to move synchronously. The suspension rod 704 drives the moving block 705 at its bottom to move, so that the moving block 705 presses or pulls the second spring 8 on the inner wall of the bottom of the first telescopic rod 2, causing the second spring 8 to stretch or contract. When the bent plate 701 completes the pulling operation at different angles, the second spring 8 will rebound or continue to contract, prompting the moving block 705 to reset, thereby providing convenience and stability for the movement of the display screen 1.

[0039] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprises", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0040] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A projection computer display device, comprising a protective shell (3), wherein a first telescopic rod (2) is fixedly connected to the middle of the top of the protective shell (3), a display screen (1) is fixedly connected to the top of the first telescopic rod (2), a second spring (8) is fixedly connected to the inner wall of the bottom of the first telescopic rod (2), and a bottom plate (4) is fixedly connected to the bottom of the protective shell (3), characterized in that: Also includes: A moving mechanism (5), the moving mechanism (5) comprising a fixed rod (501), the fixed rod (501) being arranged at the bottom of the bottom plate (4), the fixed rod (501) being fixedly connected to a connecting plate (502) on a side away from the bottom plate (4), the connecting plate (502) being rotatably connected to baffles (503) on both left and right sides via a first rotating shaft, the two groups of baffles (503) being rotatably connected to moving wheels (505) on sides away from each other via a second rotating shaft, the two groups of baffles (503) being fixedly connected to a first spring (504) on sides close to each other, the fixed rod (501) being fixedly connected to a connecting plate (502) on a side away from the bottom plate (4), the connecting plate (502) being rotatably connected to baffles (503) on both left and right sides via a first rotating shaft, the two groups of baffles (503) being rotatably connected to moving wheels (505) on both sides away from each other via a second rotating shaft, the two groups of baffles (503) being fixedly connected to a first spring (504), the fixed rod ( A contact ring (506) is provided on the outer wall of the fixing rod (501); the inner wall of the contact ring (506) is fixedly connected to the outer wall of the fixing rod (501); a side of the contact ring (506) close to the moving wheel (505) is fixedly connected to a positioning rod (507); a side of two groups of positioning rods (507) close to the moving wheel (505) is rotatably connected to a pulling plate (508) via a third rotating shaft; a side of the two groups of pulling plates (508) close to the baffle (503) is fixedly connected to the outer wall of the baffle (503); and the first spring (504) is used to pull the baffles (503) closer to each other.

2. A projection computer display device according to claim 1, characterized in that: The device further comprises a limiting mechanism (6), wherein the limiting mechanism (6) comprises a load-bearing block (601), wherein a side of the load-bearing block (601) close to the inner wall of the protective shell (3) is fixedly connected to the inner wall of the protective shell (3), and a side of the load-bearing block (601) away from the protective shell (3) is fixedly connected to a second telescopic rod (603), wherein the second telescopic rod (603) is used to control the distance between the arc block (607) and the load-bearing block (601).

3. A projection computer display device according to claim 2, characterized in that: A side of the second telescopic rod (603) away from the load-bearing block (601) is fixedly connected to an arc block (607), and a side of the arc block (607) away from the second telescopic rod (603) is provided with a sliding groove (606), and the arc block (607) is used to limit the movement of the moving wheel (505).

4. A projection computer display device according to claim 3, characterized in that: The sliding groove (606) is slidably connected to a sliding plate (605) on its groove wall, the sliding plate (605) is fixedly connected to a top rod (608) on its top, and the load-bearing block (601) is fixedly connected to a top block (602) on a side away from the bottom plate (4), and the top rod (608) is used to pull the tension belt (604) to retract it.

5. A projection computer display device according to claim 4, characterized in that: A tension band (604) is fixedly connected to one side of the top block (602) close to the arc block (607); the side of the tension band (604) close to the arc block (607) is in contact with the top of the arc block (607); the limiting mechanism (6) is arranged in four groups, all of which are installed around the inner wall of the protective shell (3); the tension band (604) is used to pull the arc block (607) to move.

6. A projection computer display device according to claim 1, characterized in that: It also comprises a pushing mechanism (7), the pushing mechanism (7) comprising a spring rod (703), the bottom of the spring rod (703) being fixedly connected to the top of the fixed rod (501), the top outer wall of the spring rod (703) being provided with a rotating ring (702), the inner wall of the rotating ring (702) being fixedly connected to the outer wall of the spring rod (703), and the spring rod (703) being used to pull the fixed rod (501) to move.

7. A projection computer display device according to claim 6, characterized in that: A curved plate (701) is fixedly connected to a side of the rotating ring (702) away from the first telescopic rod (2); a suspension rod (704) is provided at the bottom of the curved plate (701); the top of the suspension rod (704) is fixedly connected to the bottom of the curved plate (701); and the curved plate (701) is used to push the rotating ring (702) to rotate.

8. A projection computer display device according to claim 7, characterized in that: A moving block (705) is fixedly connected to the bottom of the suspension rod (704), and the moving block (705) is slidably connected to the inner wall of the bottom of the first telescopic rod (2). The side of the moving block (705) close to the second spring (8) is fixedly connected to the second spring (8), and the second spring (8) is used to reset the moving block (705).

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