CN219300419U

CN219300419U - Multimedia presentation device

Info

Publication number: CN219300419U
Application number: CN202223477032.XU
Authority: CN
Inventors: 杨爱军; 孟鸿飞
Original assignee: Nanjing Junfei Technology Co ltd
Current assignee: Nanjing Junfei Technology Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-07-04
Anticipated expiration: 2032-12-26

Abstract

The utility model provides a multimedia presentation device, which relates to the technical field of projectors and comprises a first adjusting part and a projection assembly, wherein two sides above the first adjusting part are provided with a mapping assembly assembled by bolts, and the inner side above the first adjusting part is provided with a second adjusting part assembled by bolts; according to the utility model, under the common operation of the first adjusting component and the second adjusting component, the projection component carried on the fixed component can be flexibly adjusted and operated according to teaching requirements, and as the size of the mapping component on the two sides above the first adjusting component is close to the length of the second adjusting component, when an observer is difficult to clear and observe an image, the projection component can be operated to a position which is difficult to observe under the common operation of the first adjusting component, the second adjusting component and the fixed component, and accurate projection can be carried out, so that all people in the field can be ensured to obtain good experience effects.

Description

Multimedia presentation device

Technical Field

The utility model relates to the technical field of projectors, in particular to a multimedia presentation device.

Background

Along with the development of social economy, the multimedia projection presentation device has wide application in various industries, and is mostly used in large-scale lecture display, classroom teaching and training explanation environments, such as families, offices, schools and entertainment venues, and according to different working modes, the multimedia projection presentation device has different types, such as CRT, LCD, DLP, 3LCD and the like.

When the conventional multimedia presentation device is used, an image signal to be projected is projected to a curtain or a target area through a projector generally by a projector, for example, application number CN202010594085.6 discloses an intelligent multimedia presentation device and method, the intelligent multimedia presentation device comprises a display cabinet and a projection assembly, the projection assembly is arranged on the inner side of the display cabinet, and the projection assembly comprises a box body, an intelligent dustproof member, a lapping plate, a mute fan and a servo cylinder; however, in the above-mentioned technology, the projection curtain is lifted and adjusted mainly by the servo cylinder, and the view field of the user is limited due to the size of the projection curtain, so the present utility model proposes a multimedia presentation device to solve the problems in the prior art.

Disclosure of Invention

In view of the above problems, the present utility model provides a multimedia presentation device, in which a first adjusting component is mainly used to cooperate with a second adjusting component to perform a regulation operation on a projection assembly mounted on a fixed component according to teaching requirements, and because the size of a mapping assembly on two sides above the first adjusting component is close to the length of the second adjusting component, when an observer is difficult to clear an observed image, the projection assembly is made to operate to a position difficult to observe under the cooperation of the first adjusting component, the second adjusting component and the fixed component, and accurate projection is performed, so that all people in the field can be ensured to obtain good experience effects.

In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: the multimedia presentation device comprises a first adjusting part and a projection assembly, wherein the two sides above the first adjusting part are provided with mapping assemblies assembled by bolts, the inner side above the first adjusting part is provided with a second adjusting part assembled by bolts, one end side of the second adjusting part is provided with a fixing component sleeved by bolts, and the fixing component is provided with a projection assembly inserted in the fixing component;

the projection assembly comprises a projector box, a sound box and a projection lens, wherein the projector box is inserted into the inner top side of the fixing component, the sound boxes are arranged on two sides of the projector box, and the projection lens is arranged at one end of the projector box.

As a further technical scheme, the projector box is of a long box-shaped structure, and four groups of convex structures are arranged below the projector box.

As a further technical scheme, first adjusting part includes the decompression pad, lifts support, first box body, lead screw motor, first lead screw and first slider, the top side of decompression pad is through lifting support bolted connection has first box body, just be provided with the first lead screw of connecting lead screw motor output on the first box body, first lead screw threaded connection has first slider.

As a further technical scheme, the mapping assembly comprises an assembly seat, a support rod, a cylinder, an electric reel, a projection curtain and a counterweight rod, wherein the assembly seat is arranged on the outer side of the first box body, the support rod is arranged on one side of the upper portion of the assembly seat, one end of the support rod is provided with the cylinder, the electric reel is arranged in the cylinder, the projection curtain connected in a winding manner is arranged on one side of the electric reel, and the counterweight rod is arranged at one end of the projection curtain.

As a further technical scheme, the second adjusting part includes connecting seat, second box body, second lead screw, second slider, hoist and mount seat, cylinder, telescopic link, lifting seat and non-woven fabrics cover, the second box body passes through connecting seat bolted connection and is in the outside of first slider, there is the second slider through second lead screw threaded connection on the second box body, the below of second slider is provided with the hoist and mount seat, just the below of hoist and mount seat is provided with the telescopic link of connecting the cylinder output, the below of telescopic link is provided with the lifting seat, the outside of telescopic link is provided with the non-woven fabrics cover.

As a further technical scheme, fixed component includes rotating electrical machines, rotatory jib, hoist and mount strip, every single move motor, damping axle, loading board, jack-in groove and dead lever, the rotating electrical machines sets up the one end top of elevating socket, the output of rotating electrical machines runs through the elevating socket is connected with rotatory jib, the below of rotatory jib is provided with the hoist and mount strip, the interior avris of hoist and mount strip is provided with the damping axle of connecting every single move motor output, the interior avris of damping axle is provided with installation jack-in groove loading board, just the top outside of loading board is provided with the dead lever of bolt assembly.

The beneficial effects of the utility model are as follows:

according to the utility model, under the common operation of the first adjusting component and the second adjusting component, the projection component carried on the fixed component can be flexibly adjusted and operated according to teaching requirements, and as the size of the mapping component on the two sides above the first adjusting component is close to the length of the second adjusting component, when an observer is difficult to clear and observe an image, the projection component can be operated to a position which is difficult to observe under the common operation of the first adjusting component, the second adjusting component and the fixed component, and accurate projection can be carried out, so that all people in the field can be ensured to obtain good experience effects.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic bottom perspective view of the present utility model;

FIG. 3 is a schematic perspective view of a mapping assembly according to the present utility model;

FIG. 4 is a schematic perspective view of a fixing member according to the present utility model;

fig. 5 is a schematic perspective view of a projection assembly according to the present utility model.

Wherein: 1. a first adjusting member; 101. a pressure reducing pad; 102. raising the bracket; 103. a first case; 104. a screw motor; 105. a first screw rod; 106. a first slider; 2. a mapping component; 201. an assembly seat; 202. a support rod; 203. a cylinder; 204. an electric reel; 205. a projection curtain; 206. a weight bar; 3. a second adjusting member; 301. a connecting seat; 302. a second case; 303. a second screw rod; 304. a second slider; 305. hoisting the base; 306. a cylinder; 307. a telescopic rod; 308. a lifting seat; 309. a nonwoven fabric cover; 4. a fixing member; 401. a rotating electric machine; 402. rotating the boom; 403. hoisting the strips; 404. a pitch motor; 405. a damping shaft; 406. a carrying plate; 407. a plug-in groove; 408. a fixed rod; 5. a projection assembly; 501. a projector case; 502. a sound box; 503. and a projection lens.

Detailed Description

The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

According to fig. 1-5, the embodiment provides a multimedia presentation device, which comprises a first adjusting component 1 and a projection component 5, wherein two sides above the first adjusting component 1 are provided with a mapping component 2 assembled by bolts, the inner side above the first adjusting component 1 is provided with a second adjusting component 3 assembled by bolts, one end side of the second adjusting component 3 is provided with a fixing component 4 sleeved by bolts, and the fixing component 4 is provided with a projection component 5 inserted in;

the projection assembly 5 comprises a projector box 501, a sound box 502 and a projection lens 503, wherein the projector box 501 is inserted into the inner top side of the fixing member 4, the sound box 502 is arranged on two sides of the projector box 501, and the projection lens 503 is arranged at one end of the projector box 501.

The projector case 501 has a long box-like structure, and four sets of convex structures are provided below the projector case 501.

In this embodiment, after the fixing member 4 adjusts the proper position of the carrier plate 406, the projector box 501 is disposed on the carrier plate 406 through the inserting slot 407 and the fixing rod 408, and then the projector box 501 is opened, so that a worker inputs video image information according to the bluetooth wireless control module of the projector box 501, and performs projection playing through the sound box 502 and the projection lens 503 disposed on the projector box 501, thereby playing the demonstration effect.

The first adjusting part 1 comprises a decompression pad 101, a lifting bracket 102, a first box body 103, a screw motor 104, a first screw rod 105 and a first sliding block 106, wherein the top side of the decompression pad 101 is connected with the first box body 103 through the lifting bracket 102 through bolts, the first box body 103 is provided with the first screw rod 105 connected with the output end of the screw motor 104, and the first screw rod 105 is in threaded connection with the first sliding block 106.

In this embodiment, after the projection curtain 205 is unfolded, the screw motor 104 at one end of the first box 103 is started to output power to drive the output end of the screw motor 104 to operate, so that the output end of the screw motor 104 drives the first screw 105 in the first box 103 to operate, and after the first screw 105 rotates, the first slider 106 is driven to operate to a proper position.

The mapping assembly 2 comprises an assembly seat 201, a support rod 202, a cylinder 203, an electric reel 204, a projection curtain 205 and a counterweight rod 206, wherein the assembly seat 201 is arranged on the outer side of the first box body 103, the support rod 202 is arranged on one side above the assembly seat 201, the cylinder 203 is arranged at one end of the support rod 202, the electric reel 204 is arranged inside the cylinder 203, the projection curtain 205 connected in a winding manner is arranged on one side of the electric reel 204, and the counterweight rod 206 is arranged at one end of the projection curtain 205.

In this embodiment, first, the electric reel 204 on the cylinder 203 at the inner end of the support rod 202 is started to output power to drive the electric reel 204 to pay out the projection curtain 205, so that the projection curtain 205 is matched with the weight rod 206 at one end of the projection curtain 205 to smoothly run downwards, so as to unwind the projection curtain 205.

The second adjusting part 3 comprises a connecting seat 301, a second box body 302, a second screw rod 303, a second sliding block 304, a lifting seat 305, an air cylinder 306, a telescopic rod 307, a lifting seat 308 and a non-woven fabric cover 309, wherein the second box body 302 is connected to the outer side of the first sliding block 106 through a connecting seat 301 bolt, the second sliding block 304 is connected to the second box body 302 through a second screw rod 303 in a threaded manner, the lifting seat 305 is arranged below the second sliding block 304, the telescopic rod 307 connected with the output end of the air cylinder 306 is arranged below the lifting seat 305, the lifting seat 308 is arranged below the telescopic rod 307, and the non-woven fabric cover 309 is arranged outside the telescopic rod 307.

In this embodiment, after the first slider 106 is moved to a proper position, the second screw rod 303 on the second box 302 is started to rotate, so that the second slider 304 is driven to move to a proper lifting position by the rotation of the second screw rod 303, and then the cylinder 306 on the lifting seat 305 is started to output power to drive the output end of the cylinder 306 to move, so that the output end of the cylinder 306 drives the telescopic rod 307, and the lifting seat 308 at one end of the telescopic rod 307 moves to a proper height.

The fixed component 4 comprises a rotating motor 401, a rotating suspension rod 402, a lifting strip 403, a pitching motor 404, a damping shaft 405, a bearing plate 406, a splicing groove 407 and a fixed rod 408, wherein the rotating motor 401 is arranged above one end of the lifting seat 308, the output end of the rotating motor 401 penetrates through the lifting seat 308 to be connected with the rotating suspension rod 402, the lifting strip 403 is arranged below the rotating suspension rod 402, the damping shaft 405 connected with the output end of the pitching motor 404 is arranged on the inner side of the lifting strip 403, the bearing plate 406 is arranged on the inner side of the damping shaft 405, the splicing groove 407 is installed, and the fixed rod 408 assembled by bolts is arranged on the outer side of the upper part of the bearing plate 406.

In this embodiment, the rotary motor 401 is started to output power to drive the rotary boom 402 at one end of the rotary motor 401 to operate, so that the rotary boom 402 drives the lifting bar 403 to operate to a suitable position, and then the pitching motor 404 drives the damping shaft 405 to adjust the pitching angle of the carrier plate 406 to a suitable pitching angle through the output power.

The working principle of the multimedia presentation device is as follows: firstly, the electric reel 204 on the cylinder 203 at the inner end of the supporting rod 202 is started to output power, the electric reel 204 is driven to discharge the projection curtain 205, so that the projection curtain 205 is matched with the counterweight rod 206 arranged at one end of the projection curtain 205 to stably run downwards, the projection curtain 205 is unfolded, after the projection curtain 205 is unfolded, the output power of the screw motor 104 at one end of the first box body 103 is started to drive the output end of the screw motor 104 to run, the output end of the screw motor 104 is driven to drive the first screw 105 in the first box body 103 to run, after the first screw 105 rotates, the first slider 106 is driven to run to a proper position, after the first slider 106 runs to a proper position, the second screw 303 on the second box body 302 is started to rotate, the second slider 304 is driven to run to a proper hoisting position under the rotation of the second screw 303, then the output power of the air cylinder 306 on the hoisting seat is started to drive the output end of the air cylinder 306 to run, the output end of the air cylinder 306 drives the telescopic rod 307, the lifting seat 308 at one end of the telescopic rod 307 is driven to a proper height, then the rotating motor 401 is started to output power to drive the rotating suspension rod 402 at one end of the rotating motor 401 to operate, the rotating suspension rod 402 drives the lifting bar 403 to operate to a proper position, then the pitching motor 404 drives the damping shaft 405 to adjust the pitching angle of the bearing plate 406 to a proper pitching angle through output power, when the fixing member 4 adjusts the proper position of the bearing plate 406, the projector box 501 is arranged on the bearing plate 406 through the inserting groove 407 and the fixing rod 408, then the projector box 501 is started, so that a worker inputs video image information according to the Bluetooth wireless control module of the projector box 501, and performs projection playing through the sound box 502 and the projection lens 503 arranged on the projector box 501, thereby playing the role of demonstration.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A multimedia presentation device comprising a first adjustment member (1) and a projection assembly (5), characterized in that: the two sides above the first adjusting component (1) are provided with mapping components (2) assembled by bolts, the inner side above the first adjusting component (1) is provided with a second adjusting component (3) assembled by bolts, one end side of the second adjusting component (3) is provided with a fixing component (4) sleeved by bolts, and the fixing component (4) is provided with a projection component (5) which is inserted;

the projection assembly (5) comprises a projector box (501), a sound box (502) and a projection lens (503), wherein the projector box (501) is inserted into the inner top side of the fixing member (4), the sound boxes (502) are arranged on two sides of the projector box (501), and the projection lens (503) is arranged at one end of the projector box (501).

2. A multimedia presentation device as claimed in claim 1, wherein: the projector box (501) is of a long box-shaped structure, and four groups of convex structures are arranged below the projector box (501).

3. A multimedia presentation device as claimed in claim 1, wherein: the first adjusting part (1) comprises a decompression pad (101), an elevation support (102), a first box body (103), a screw motor (104), a first screw (105) and a first sliding block (106), wherein the first box body (103) is connected to the top side of the decompression pad (101) through an elevation support (102) bolt, the first box body (103) is provided with the first screw (105) connected with the output end of the screw motor (104), and the first screw (105) is connected with the first sliding block (106) through threads.

4. A multimedia presentation device as claimed in claim 3, wherein: the mapping assembly (2) comprises an assembly seat (201), a support rod (202), a cylinder (203), an electric reel (204), a projection curtain (205) and a balance weight rod (206), wherein the assembly seat (201) is arranged on the outer side of the first box body (103), the support rod (202) is arranged on one side of the upper portion of the assembly seat (201), the cylinder (203) is arranged at one end of the support rod (202), the electric reel (204) is arranged in the cylinder (203), the projection curtain (205) connected in a winding manner is arranged on one side of the electric reel (204), and the balance weight rod (206) is arranged at one end of the projection curtain (205).

5. A multimedia presentation device as claimed in claim 3, wherein: the second adjusting part (3) comprises a connecting seat (301), a second box body (302), a second screw rod (303), a second sliding block (304), a lifting seat (305), an air cylinder (306), a telescopic rod (307), a lifting seat (308) and a non-woven fabric cover (309), wherein the second box body (302) is connected to the outer side of the first sliding block (106) through the connecting seat (301) through bolts, the second box body (302) is provided with the second sliding block (304) through the second screw rod (303) in a threaded connection mode, the lifting seat (305) is arranged below the second sliding block (304), the telescopic rod (307) connected with the output end of the air cylinder (306) is arranged below the lifting seat (307), and the non-woven fabric cover (309) is arranged outside the telescopic rod (307).

6. A multimedia presentation device as claimed in claim 5, wherein: the utility model discloses a damping device for a lifting seat, including fixed component (4), including rotating electrical machines (401), rotatory jib (402), hoist and mount strip (403), every single move motor (404), damping axle (405), loading board (406), jack-in groove (407) and dead lever (408), rotating electrical machines (401) set up the one end top of lifting seat (308), the output of rotating electrical machines (401) runs through lifting seat (308) are connected with rotatory jib (402), the below of rotatory jib (402) is provided with hoist and mount strip (403), the interior avris of hoist and mount strip (403) is provided with damping axle (405) of connecting every single move motor (404) output, the interior avris of damping axle (405) is provided with loading board (406) of installation jack-in groove (407), just the top outside of loading board (406) is provided with dead lever (408) of bolt assembly.