CN220891577U - A projection device easy to maintain - Google Patents

Abstract

The utility model discloses a projection device convenient to maintain, which belongs to the technical field of projection devices and comprises: a support table; the top of supporting bench is provided with the connection pad, the bottom of connection pad is connected with the spacing ring, and the top of supporting bench is constructed with the ring channel that holds the spacing ring, the bottom center of connection pad is connected with the activity and pegs graft the pivot at the supporting bench side that corresponds, servo motor is installed at the inboard top of supporting bench, and installs the gear pair between servo motor's output and the pivot, electric telescopic handle and extension board are installed respectively at the top of connection pad, electric telescopic handle's output is connected with the backup pad of placing projection equipment, one side of backup pad is connected with two sliders side by side, the corresponding side of extension board is constructed with the spout that holds the slider. This projection arrangement convenient to maintain, projection equipment adjusts the stability in-process higher, avoids the picture after adjusting crooked, and makes things convenient for dismouting projection equipment in order to maintain.

Description

A projection device easy to maintain

Technical Field

The utility model belongs to the technical field of projection devices, in particular to a projection device which is easy to maintain.

Background technique

A projector is a device that can project images or videos onto any plane (such as a screen, a white wall, etc.). It is widely used in homes, offices, schools, and entertainment venues because of its small size, large screen, and low price. In order to improve the convenience of using projection equipment, it is necessary to be able to adjust it easily.

Although the existing device can adjust the projection device relatively conveniently, the stability during the adjustment process is not high enough, which can easily lead to skewness of the adjusted image.

For example, the Chinese utility model application number is 202022717474.1, which is a projection device that is easy to maintain, including a projector body, an angle adjustment structure is provided on the upper surface of the projector body to adjust the angle of the projector body in the vertical direction, a connection structure is installed on the surface of the angle adjustment structure, a vertical drive structure is provided on the upper surface of the angle adjustment structure to adjust the height of the projector body, a rotating structure is provided on the upper surface of the vertical drive structure to adjust the horizontal position of the projector body, a mounting seat is provided on the upper surface of the rotating structure to fix it to the top of the wall, the angle adjustment structure includes a lower adjustment plate fixed on the upper surface of the projector body, an upper adjustment plate connected to its gear is provided above the lower adjustment plate, and adjustment teeth are provided at the connection between the upper adjustment plate and the lower adjustment plate, and a circular hole is opened on the surface of the upper adjustment plate and the lower adjustment plate, and the connection structure includes a rotating shaft arranged inside the circular hole and rotatably connected thereto, and limit blocks are provided at both ends of the rotating shaft, and a clamping plate is provided between the limit block and the angle adjustment structure. The stability of the device during adjustment is not high enough, which can easily lead to skewed images after adjustment.

Utility Model Content

The utility model aims to provide a projection device which is easy to maintain, so as to solve the problems raised in the background technology.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a projection device that is easy to maintain, comprising: a support table;

A connecting disk is provided on the top of the support platform, and a limiting ring is connected to the bottom of the connecting disk, and an annular groove for accommodating the limiting ring is constructed on the top of the support platform, and a rotating shaft movably plugged into the corresponding side of the support platform is connected to the bottom center of the connecting disk, a servo motor is installed on the inner top of the support platform, and a gear pair is installed between the output end of the servo motor and the rotating shaft, an electric telescopic rod and a support plate are respectively installed on the top of the connecting disk, the output end of the electric telescopic rod is connected to a support plate for placing a projection device, two sliders are connected side by side on one side of the support plate, and a sliding groove for accommodating the slider is constructed on the corresponding side of the support plate.

In a further embodiment, a connection frame is installed on the top of the support plate, two insertion rods are symmetrically connected to the top of the connection frame, and a positioning plate for fixing the projection device is connected to the bottom of the insertion rods.

In a further embodiment, a spring is installed between the positioning plate and corresponding sides of the connecting frame, and the spring is sleeved on the side wall of the insertion rod.

In a further embodiment, rubber pads are bonded to the bottom of the positioning plate and the top of the supporting plate.

In a further embodiment, a circular hand piece is connected to the top of the insertion rod, and the insertion rod is a chrome-plated iron cylindrical structure.

In a further embodiment, a mounting groove is configured at the bottom of the support platform, and a suction cup is nested and installed inside the mounting groove.

In a further embodiment, two baffles are symmetrically connected to one side of the support platform, and a handle is connected to the side of the baffle away from the support platform.

Compared with the prior art, the technical effects and advantages of the utility model are as follows:

The projection device is easy to maintain. When the servo motor drives the projection device to rotate and adjust, the bottom of the connection plate ensures the stability of the rotation process through the cooperation of the limit ring and the annular groove. When the electric telescopic rod drives the projection device to adjust the height, the two sliders cooperate with the slide groove to ensure the stability of the lifting process, and the stability of the projection device during adjustment is higher.

Pull up the two rods and hold them, then place the projection device inside the connection frame and release the rods. The positioning plate at the bottom of the rods will be reset by the spring, thereby cooperating with the support plate to complete the installation and fixation of the projection device. When the projection device needs to be removed, pull up the two rods and then pull out the projection device, which is convenient for disassembly and installation of the projection device for maintenance;

The projection device, which is easy to maintain, has higher stability during the adjustment process of the projection device, avoids the skewness of the adjusted picture, and facilitates the disassembly and assembly of the projection device for maintenance.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

Fig. 1 is a schematic diagram of the structure of the utility model;

Fig. 2 is a cross-sectional view of the support platform in Fig. 1 of the present invention taken along the a-a direction;

FIG3 is an enlarged view of the structure at A in FIG1 of the present utility model;

FIG. 4 is a schematic structural diagram of a connection frame of the present invention.

Description of reference numerals:

In the figure: 1. support platform; 2. connecting plate; 3. rotating shaft; 4. servo motor; 5. gear pair; 6. limiting ring; 7. support plate; 8. support plate; 9. slide groove; 10. electric telescopic rod; 11. connecting frame; 12. plug rod; 13. positioning plate; 14. spring; 15. rubber pad; 16. hand piece; 17. baffle; 18. suction cup.

Detailed ways

In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

Unless otherwise defined, the up, down, left, right, front, back, inside and outside directions involved in this document are based on the up, down, left, right, front, back, inside and outside directions in the figures shown in the present utility model, and are explained here together.

The connection method can be bonding, welding, bolt connection and other existing methods, depending on actual needs.

In order to make the projection device more stable during adjustment and avoid skewness of the adjusted image, a projection device that is easy to maintain is shown in Figures 1 to 4, including: a support table 1, the bottom of the support table 1 is configured with a mounting groove, and a suction cup 18 is nested and installed inside the mounting groove. The device can be adsorbed and fixed on a smooth surface such as a desktop by the suction cup 18, or the device can be inverted and the support table 1 can be connected to the bottom of the ceiling by bolts.

A connecting plate 2 is provided on the top of the support platform 1, a limiting ring 6 is welded on the bottom of the connecting plate 2, and an annular groove for accommodating the limiting ring 6 is constructed on the top of the support platform 1, and the limiting ring 6 cooperates with the annular groove to ensure that the connecting plate 2 can rotate smoothly relative to the support platform 1, and the bottom center of the connecting plate 2 is connected to a rotating shaft 3 movably plugged into the corresponding side of the support platform 1 through a screw, and a servo motor 4 is installed on the inner top of the support platform 1 through a motor seat, and a gear pair 5 is installed between the output end of the servo motor 4 and the rotating shaft 3, and the servo motor 4 can drive the rotating shaft 3 to rotate through the gear pair 5, thereby driving the connecting plate 2 and the projection equipment above it to rotate and adjust, and two baffles 17 are symmetrically connected on one side of the support platform 1, and a handle is connected to the side of the baffle 17 away from the support platform 1, and the baffle 17 is conveniently opened through the handle to maintain the internal structure of the support platform 1;

An electric telescopic rod 10 and a support plate 8 are respectively installed on the top of the connecting plate 2. The output end of the electric telescopic rod 10 is connected to the support plate 7 for placing the projection equipment through bolts. The electric telescopic rod 10 can drive the support plate 7 to rise and fall to drive the projection equipment on its top to adjust its height. Two sliders are connected side by side on one side of the support plate 7, and a slide groove 9 for accommodating the slider is constructed on the corresponding side of the support plate 8. The two sliders cooperate with the slide groove 9 on the corresponding side of the support plate 8 to ensure the smoothness of the lifting process of the support plate 7.

In order to facilitate the disassembly and assembly of the projection equipment for maintenance, a connecting frame 11 is installed on the top of the support plate 7. Two plug rods 12 are symmetrically connected to the top of the connecting frame 11. The plug rods 12 are chrome-plated iron cylindrical structures, which are smoother in relative movement. A round hand piece 16 is connected to the top of the plug rod 12 by screws, and the hand piece 16 is used to facilitate pulling the plug rod 12. The bottom of the plug rod 12 is connected to a positioning plate 13 for fixing the projection equipment. The bottom of the positioning plate 13 and the top of the support plate 7 are both bonded with rubber pads 15 to avoid wear on the corresponding side of the projection equipment and increase friction to increase the stability of the projection equipment. A spring 14 is installed between the corresponding side of the positioning plate 13 and the connecting frame, and the spring 14 is sleeved on the side wall of the plug rod 12.

The servo motor 4 and the electric telescopic rod 10 are both conventional instruments, and their working principles, sizes and models are irrelevant to the functions of the present application, so they will not be described in detail, and they are both controlled by a remote control switch.

working principle

The projection device that is easy to maintain is constructed by pulling up and holding the two rods 12 through the handpiece 16, at which time the spring 14 remains compressed, and then the projection device is placed inside the connection frame 11 and the rods 12 are released. The positioning plate 13 at the bottom of the rods 12 will be reset by the spring 14 and abut against the top of the projection device, thereby cooperating with the support plate 7 to complete the installation and fixation of the projection device;

The electrical components in the device are connected to an external power supply and a control switch, and the servo motor 4 can drive the rotating shaft 3 to rotate through the gear pair 5, thereby driving the connection plate 2 and the projection device above it to rotate and adjust. During this process, the limit ring 6 cooperates with the annular groove to ensure that the connection plate 2 can rotate smoothly relative to the support platform 1. The electric telescopic rod 10 can drive the support plate 7 to rise and fall to drive the projection device on the top to adjust the height. During this process, the two sliders cooperate with the slide grooves 9 on the corresponding sides of the support plate 8 to ensure the stability of the lifting process of the support plate 7, and the stability of the projection device during adjustment is higher;

When the projection device needs to be maintained, the two insertion rods 12 are pulled up by the hand piece 16, and then the projection device is pulled out and the insertion rods 12 are released, so that the projection device can be maintained separately.

It should be noted that, in this article, relational terms such as one and two are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A projection device that is easy to maintain, comprising: a support table (1); The invention is characterized in that: a connection disk (2) is arranged on the top of the support platform (1), a limit ring (6) is connected to the bottom of the connection disk (2), and an annular groove for accommodating the limit ring (6) is constructed on the top of the support platform (1), a rotating shaft (3) movably plugged into the corresponding side of the support platform (1) is connected to the bottom center of the connection disk (2), a servo motor (4) is installed on the inner top of the support platform (1), and a gear pair (5) is installed between the output end of the servo motor (4) and the rotating shaft (3), an electric telescopic rod (10) and a support plate (8) are respectively installed on the top of the connection disk (2), the output end of the electric telescopic rod (10) is connected to a support plate (7) for placing a projection device, two sliders are connected side by side to one side of the support plate (7), and a sliding groove (9) for accommodating the sliders is constructed on the corresponding side of the support plate (8). 2. A projection device that is easy to maintain according to claim 1, characterized in that: a connecting frame (11) is installed on the top of the support plate (7), two plug rods (12) are symmetrically connected to the top of the connecting frame (11), and a positioning plate (13) for fixing the projection device is connected to the bottom of the plug rod (12). 3. A projection device that is easy to maintain according to claim 2, characterized in that a spring (14) is installed between the positioning plate (13) and the corresponding side of the connecting frame, and the spring (14) is sleeved on the side wall of the insertion rod (12). 4. The projection device easy to maintain according to claim 2, characterized in that: a rubber pad (15) is bonded to the bottom of the positioning plate (13) and the top of the supporting plate (7). 5. The projection device easy to maintain according to claim 2, characterized in that a round hand piece (16) is connected to the top of the insertion rod (12), and the insertion rod (12) is a chrome-plated iron cylindrical structure. 6. A projection device that is easy to maintain according to claim 1, characterized in that: a mounting groove is structured at the bottom of the support platform (1), and a suction cup (18) is nested and installed inside the mounting groove. 7. A projection device that is easy to maintain according to claim 1, characterized in that: two baffles (17) are symmetrically connected to one side of the support platform (1), and a handle is connected to the side of the baffle (17) away from the support platform (1).