CN217797990U - A convenient projection device - Google Patents

Abstract

The utility model discloses a projection device convenient to use, which comprises a projector body, wherein the upper end surface of the projector body is fixedly connected with an installation block, and the upper end surface of the installation block is provided with an installation shell; first motor is installed on the right side of installation shell, the output of first motor can be dismantled and be connected with the lead screw, the left end of lead screw runs through the installation shell and through the inside left side swing joint of bearing and installation shell, the lateral wall swing joint of lead screw has the screw thread piece, the spliced pole is installed to the lower terminal surface of screw thread piece, the lower terminal surface fixedly connected with connecting block of spliced pole, dustproof shielding plate is installed to the rear end face of connecting block, dustproof shielding plate is located the front end of projecting apparatus body, plays dustproof protection's effect to the printing opacity camera lens of projecting apparatus body after the use, avoids the higher printing opacity camera lens of projecting apparatus body of mounted position to place the problem that causes printing opacity camera lens optical clarity to descend by pollution such as dust for a long time.

Description

A convenient projection device

technical field

The utility model relates to the field of projection devices, in particular to a projection device that is convenient to use.

Background technique

A projector, also known as a projector, is a device that can project images or videos onto a screen. It can be connected to a computer, VCD, DVD, BD, game console, DV, etc. through different interfaces to play the corresponding video signal. Projectors are currently widely used in homes, offices, schools, and entertainment venues. According to different working methods, there are different types such as CRT, LCD, and DLP.

At present, the projection equipment used for visual communication design is installed on the roof of the room, and the installation position is relatively high. When not in use, the light-transmitting lens of the projection device is easily contaminated by indoor dust and other problems, resulting in a decrease in optical clarity.

Contents of the invention

The purpose of this utility model is to provide a projection device that is easy to use, which can protect the light-transmitting lens of the projector body after use, and prevent the light-transmitting lens of the projector body with a high installation position from being too long. The characteristics of the problem that the optical clarity of the light-transmitting lens is reduced due to pollution such as dust for a long time.

In order to achieve the above purpose, the utility model provides the following technical solutions: a convenient projection device, including a projector body, the upper end surface of the projector body is fixedly connected with a mounting block, and the upper end surface of the mounting block is installed with a mounting block. shell;

The right side of the installation case is equipped with a first motor, the output end of the first motor is detachably connected with a lead screw, the left end of the lead screw runs through the installation case and is movably connected with the inner left side of the installation case through a bearing, The outer wall of the lead screw is movably connected with a threaded block, the lower end surface of the threaded block is installed with a connecting column, the lower end surface of the connecting column is fixedly connected with a connecting block, and the rear end surface of the connecting block is installed with a dust-proof cover plate, and the dust-proof shielding plate is located at the front end of the projector body.

In order to facilitate the adjustment of the projection angle of the projector body with a relatively high installation position, as a convenient projection device of the present utility model, an installation frame is arranged above the installation shell, and the inner top of the installation frame A second motor is installed, the output end of the second motor is detachably connected to a rotating shaft, the lower end of the rotating shaft penetrates and extends below the mounting frame, and the lower end of the rotating shaft is detachably connected to the upper end of the mounting shell.

In order to facilitate the maintenance of the projector body by driving the projector body down to the corresponding height according to the height of the operator, it is preferred as a convenient projection device of the present invention, a mounting seat is arranged above the installation frame, and the installation Four evenly distributed installation holes are opened through the upper end surface of the seat, and an electric telescopic rod is installed between the installation seat and the installation frame.

In order to avoid the problem of damage to the front end of the projector body caused by the dust-proof shielding plate, as a convenient projection device of the present invention, it is preferred that the rear end surface of the dust-proof shielding plate is fixedly connected with a sponge block, and the sponge block The rear end face of the projector body is in close contact with the front face of the projector body.

In order to facilitate the replacement of the dust-proof shielding plate according to the size of the light-transmitting lens of the projector body, it is preferred as a convenient projection device of the present utility model that a plurality of bolts between the connecting block and the dust-proof shielding plate are detachably connected. .

In order to facilitate disassembly and replacement of the projector body, it is preferred as a convenient projection device of the present invention, the inner top of the installation shell is fixedly connected with two positioning splints that closely fit the outer wall of the installation block, and the installation shell It is detachably connected with the installation block through multiple connecting nails.

In order to improve the stability of the left and right movement of the threaded block, as a convenient projection device of the present invention, preferably, the inner top of the installation shell is provided with a chute, and the inside of the chute is slidably connected with a slider, so The lower end surface of the slider is fixedly connected with the upper end surface of the threaded block.

Compared with the prior art, the beneficial effects of the utility model are as follows:

In the utility model, after the projector body is used, the first motor is turned on, the lead screw rotates, the threaded block moves to the left, and the dust-proof shielding plate is driven to move to the left, and moves to the front end of the light-transmitting lens at the front end of the projector body. The light-transmitting lens of the rear projector body plays the role of dust-proof protection, avoiding the problem that the light-transmitting lens of the projector body with a higher installation position is placed for a long time to be polluted by dust and other pollution, which will cause the optical clarity of the light-transmitting lens to decrease.

Description of drawings

Fig. 1 is a sectional view of a convenient projection device of the present invention;

Fig. 2 is a sectional view of an easy-to-use projection device of the present invention;

Fig. 3 is the structural diagram of the dust-proof shielding plate of the present invention;

Fig. 4 is a structural diagram of the installation shell of the present invention.

In the figure: 1, projector body; 101, installation block; 2, installation shell; 201, first motor; 202, lead screw; 203, thread block; 204, connection column; 205, connection block; Plate; 2061, sponge block; 207, slider; 208, chute; 209, bolt; 3, installation frame; 301, second motor; 302, rotating shaft; 4, mounting base; 401, installation hole; 402, electric telescopic Rod; 5, connecting nail; 501, positioning splint.

Detailed ways

Please refer to FIG. 1 to FIG. 4 , a projection device that is convenient to use includes a projector body 1 , an installation block 101 is fixedly connected to the upper end surface of the projector body 1 , and an installation shell 2 is installed on the upper end surface of the installation block 101 ;

The right side of the installation shell 2 is installed with a first motor 201, the output end of the first motor 201 is detachably connected with a lead screw 202, the left end of the lead screw 202 runs through the installation shell 2 and is movably connected with the inner left side of the installation shell 2 through a bearing , the outer wall of the lead screw 202 is movably connected with a threaded block 203, the lower end surface of the threaded block 203 is equipped with a connecting column 204, the lower end surface of the connecting column 204 is fixedly connected with a connecting block 205, and the rear end surface of the connecting block 205 is equipped with a dustproof cover The board 206 and the dustproof shielding board 206 are located at the front end of the projector body 1 .

In this embodiment: after the projector body 1 is used, the first motor 201 is turned on, the lead screw 202 rotates, the threaded block 203 moves to the left, and the dust-proof shielding plate 206 is driven to move to the left, and moves to the front end of the projector body 1. The front end of the optical lens plays a role of dust-proof protection for the light-transmitting lens of the projector body 1 after use, and prevents the light-transmitting lens of the projector body 1 at a higher installation position from being polluted by dust for a long time and causing the light-transmitting lens to be damaged. The problem of degraded optical clarity.

As a technical optimization scheme of the present utility model, an installation frame 3 is arranged on the top of the installation shell 2, and a second motor 301 is installed on the inner top of the installation frame 3, and the output end of the second motor 301 is detachably connected with a rotating shaft 302. The lower end of the shaft 302 penetrates and extends below the installation frame 3 , and the lower end surface of the rotating shaft 302 is detachably connected to the upper end surface of the installation shell 2 .

In this embodiment: when adjusting the projection angle of the projector body 1, by controlling the second motor 301, the rotating shaft 302 drives the installation shell 2 and the projector body 1 to rotate and adjust in the left and right directions, so that the device is convenient for projecting objects with a higher installation position. The projection angle of the instrument body 1 is adjusted.

As a technical optimization scheme of the present utility model, a mounting base 4 is provided above the mounting frame 3, and four evenly distributed mounting holes 401 are opened through the upper end surface of the mounting base 4, and the installation base 4 and the mounting frame 3 are installed Electric telescoping rod 402 is arranged.

In this embodiment: the mounting base 4 is connected to the top surface of the room by screwing in expansion screws in a plurality of mounting holes 401, and when the projector body 1 is being maintained, the electric telescopic rod 402 is opened to drive the projector body 1 to move downwards and descend. The projector body 1 is disassembled at a corresponding height for maintenance, so that the device is convenient to drive the projector body 1 down to a corresponding height according to the operator's height for maintenance of the projector body 1.

As a technical optimization solution of the present invention, a sponge block 2061 is fixedly connected to the rear end surface of the dust-proof shielding plate 206 , and the rear end surface of the sponge block 2061 is closely attached to the front surface of the projector body 1 .

In this embodiment: when the dust-proof shielding plate 206 shields the light-transmitting lens of the projector body 1 , the sponge block 2061 is used to prevent the dust-proof shielding plate 206 from damaging the front end of the projector body 1 .

As a technical optimization solution of the present invention, multiple bolts 209 between the connection block 205 and the dust shielding plate 206 are detachably connected.

In this embodiment: according to the size of the light-transmitting lens of the projector body 1, when replacing the dust-proof shielding plate 206, a plurality of bolts 209 are disassembled by twisting, and the dust-proof shielding plate 206 is disassembled for replacement, thereby achieving convenience according to the projector body. The effect of replacing the dust-proof shielding plate 206 with the size of the light-transmitting lens of 1.

As a technical optimization scheme of the present utility model, the inner top of the installation shell 2 is fixedly connected with two positioning splints 501 that closely fit the outer wall of the installation block 101, and a plurality of connecting nails 5 are passed between the installation shell 2 and the installation block 101. Detachable connection.

In this embodiment: when replacing the projector body 1, twist and disassemble a plurality of connecting nails 5, and remove the installation block 101 downward from between the two positioning splints 501, thereby achieving the effect of convenient disassembly and replacement of the projector body 1 .

As a technical optimization scheme of the present utility model, a chute 208 is provided at the top of the installation shell 2, and a slider 207 is slidably connected to the inside of the chute 208, and the lower end surface of the slider 207 is fixedly connected with the upper end surface of the threaded block 203. .

In this embodiment: when the threaded block 203 moves left and right, the slider 207 slides in the slide groove 208 at the same time, thereby improving the stability of the threaded block 203 moving left and right.

Working principle: the mounting base 4 is connected to the top surface of the room by screwing expansion screws into multiple mounting holes 401. When the projector body 1 is being maintained, the electric telescopic rod 402 is opened to drive the projector body 1 to move downward to a corresponding level. Disassemble the projector body 1 for maintenance. When adjusting the projection angle of the projector body 1, by controlling the second motor 301, the rotating shaft 302 drives the installation shell 2 and the projector body 1 to rotate left and right. After the projector body 1 is used , turn on the first motor 201, the lead screw 202 rotates, the threaded block 203 moves to the left, drives the dust-proof shielding plate 206 to move to the left, and moves to the front end of the light-transmitting lens at the front end of the projector body 1, and the projector body after use 1. The light-transmitting lens plays the role of dust protection;

According to the size of the light-transmitting lens of the projector body 1 , when replacing the dust-proof shielding plate 206 , a plurality of bolts 209 are disassembled, and the dust-proof shielding plate 206 is disassembled for replacement.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model should be included in the utility model. within the scope of protection.

Claims (7)

1. An easy-to-use projection device, comprising a projector body (1), characterized in that: the upper end surface of the projector body (1) is fixedly connected with a mounting block (101), and the mounting block (101) An installation shell (2) is installed on the upper end surface; The right side of the installation shell (2) is equipped with a first motor (201), the output end of the first motor (201) is detachably connected with a lead screw (202), and the left end of the lead screw (202) runs through The installation shell (2) is movably connected with the inner left side of the installation shell (2) through a bearing, the outer wall of the screw (202) is movably connected with a threaded block (203), and the lower end surface of the threaded block (203) A connecting column (204) is installed, the lower end surface of the connecting column (204) is fixedly connected with a connecting block (205), and the rear end surface of the connecting block (205) is equipped with a dust-proof shielding plate (206). The dust shielding plate (206) is located at the front end of the projector body (1). 2. An easy-to-use projection device according to claim 1, characterized in that: an installation frame (3) is arranged above the installation shell (2), and an inner top of the installation frame (3) is installed with The second motor (301), the output end of the second motor (301) is detachably connected with a rotating shaft (302), the lower end of the rotating shaft (302) penetrates and extends to the bottom of the installation frame (3), the rotating shaft The lower end surface of (302) is detachably connected with the upper end surface of the installation shell (2). 3. An easy-to-use projection device according to claim 2, characterized in that: a mounting seat (4) is arranged above the mounting frame (3), and the upper end surface of the mounting seat (4) runs through a There are four evenly distributed installation holes (401), and an electric telescopic rod (402) is installed between the installation base (4) and the installation frame (3). 4. A convenient projection device according to claim 1, characterized in that: a sponge block (2061) is fixedly connected to the rear end surface of the dust-proof shielding plate (206), and the sponge block (2061) The rear end face is in close contact with the front end face of the projector body (1). 5. The easy-to-use projection device according to claim 1, characterized in that a plurality of bolts (209) between the connecting block (205) and the dust-proof shielding plate (206) are detachably connected. 6. The easy-to-use projection device according to claim 1, characterized in that two positioning splints ( 501), the installation shell (2) is detachably connected to the installation block (101) through a plurality of connecting nails (5). 7. The easy-to-use projection device according to claim 1, characterized in that: the inner top of the installation shell (2) is provided with a sliding groove (208), and the inner sliding connection of the sliding groove (208) There is a slide block (207), and the lower end surface of the slide block (207) is fixedly connected with the upper end surface of the threaded block (203).

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