CN212390070U

CN212390070U - Ideological and political theory knowledge display device

Info

Publication number: CN212390070U
Application number: CN202020603313.7U
Authority: CN
Inventors: 金波; 吴建春
Original assignee: Jiuquan Vocational and Technical College Jiuquan Branch of Gansu Radio and TV University
Current assignee: Jiuquan Vocational and Technical College Jiuquan Branch of Gansu Radio and TV University
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-01-22
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses an ideological and political theory knowledge display device, which comprises a device main body. The motor drives the rotation of the reducer, and the reducer drives the screw to rotate. With the rotation of the screw, the slider can slide in the chute, and the left and right adjustment of the position of the projector can be realized with the sliding of the slider. And through the left and right of the electric telescopic rod, the position of the projector can be adjusted up and down. When the projector does not project correctly, this adjustment measure can be used to correct the problem; the projector is installed in the installation box to prevent the projector from being directly exposed to the air. , It can prevent the dust in the outside air from directly entering the projector, and can also protect the safety of the projector. There are multiple ventilation holes in the installation box, and each ventilation hole is installed with a dust-proof net, which can prevent external dust. Entering the inside of the installation box through the ventilation holes, the cooling fan can dissipate the heat generated by the projector studio.

Description

Ideological and political theory knowledge display device

Technical Field

The utility model belongs to the technical field of the teaching auxiliary device, particularly, relate to an ideological and political theory knowledge display device.

Background

Ideological and political education is the primary content of the mental civilization construction in China and is also one of the main ways to solve the social contradiction and problems. With the continuous progress of science and technology, multimedia teaching has become a mainstream teaching mode; multimedia teaching has greatly improved the efficiency in classroom, it is an important mode method to utilize multimedia to come the teaching ideological and political theory knowledge, the projecting apparatus is as an indispensable instrument in multimedia teaching, become the standard configuration in every classroom especially, but current projecting apparatus all hangs on the furred ceiling through a jib directly, can not adjust the height of projecting apparatus, also can not adjust the left and right positions of projecting apparatus, when the projecting apparatus appears the wrong problem of projection, very inconvenient adjusts it, and the projecting apparatus directly exposes in the air in the installation, can receive the interference of a large amount of dusts, and the projecting apparatus of installing in the air is clean and troublesome again, it will influence the life of projecting apparatus not to clear up it.

Therefore in order to solve the above problem, the utility model provides an ideological and political theory knowledge display device.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ideological and political theory knowledge display device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an ideological and political theory knowledge display device comprises a device main body, wherein a top seat is fixedly mounted at the top end of the device main body, a sliding groove is formed in the top seat, a sliding block is mounted in the sliding groove in a sliding connection manner, a motor box is mounted on one side of the top seat, a positive and negative motor is mounted in the motor box, a speed reducer is fixedly mounted at one end of the positive and negative motor, a threaded lead screw is fixedly mounted at one end of the speed reducer and is in through connection with the sliding block, an electric telescopic rod is fixedly mounted at the bottom end of the sliding block, a mounting box is fixedly mounted at the bottom end of the electric telescopic rod, a first limiting seat is mounted on one side of the inner bottom end of the mounting box, a second limiting seat is mounted on the other side of the inner bottom end of the mounting box, a cooling fan, and a third dust prevention net is fixedly arranged in the third ventilation hole.

Furthermore, a plurality of first fixing seats are fixedly mounted on two sides of the top end of the top seat, and through holes are formed in the first fixing seats.

Further, the bottom fixed mounting of motor case has the second fixing base, the one end of second fixing base with one side fixed connection of footstock, just the output of pivot in the positive and negative motor with the receiving terminal of pivot passes through the axle connector and connects in the speed reducer, the output of pivot in the speed reducer with the one end of screw lead screw is passed through the axle connector and is connected, just the third fixing base is installed to the other end of screw lead screw, the third fixing base with one side inner wall fixed connection of spout.

Furthermore, one side of the installation box opposite to the cooling fan is hinged with a box door through a hinge, and a transparent window is fixedly installed on the box door.

Further, install the projecting apparatus in the install bin, just the bottom and the both sides of projecting apparatus respectively with first spacing seat with the spacing seat of second meets.

Furthermore, one side of the installation box adjacent to the cooling fan is provided with a first air hole, a first dust screen is fixedly installed in the first air hole, the other side of the installation box adjacent to the cooling fan is provided with a second air hole, and a second dust screen is fixedly installed in the second air hole.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, through the rotation of motor drive speed reducer, the speed reducer drives the lead screw and rotates, along with the rotation of lead screw, the slider just can slide in the spout, along with the slip of slider just can realize the adjustment about the projecting apparatus position, and can realize the upper and lower adjustment of projecting apparatus position through electric telescopic handle about, when the projecting apparatus appears the projection not just, can correct the problem through this adjustment measure.

2. The utility model discloses in, install the projecting apparatus in the install bin, avoid the projecting apparatus directly to expose in the air, not only can block in the dust in the outside air directly enters into the projecting apparatus, can also protect the safe in utilization of projecting apparatus, and be equipped with a plurality of bleeder vents in the install bin, and all install the dust screen in every bleeder vent, can prevent that external dust from entering into the install bin through the bleeder vent inside, the radiator fan of design can give off the heat that the projecting apparatus studio produced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic plan view of the present invention;

FIG. 3 is a first cross-sectional view of the mounting box of the present invention;

fig. 4 is a second sectional view of the installation box of the present invention.

Reference numerals:

1. a device main body; 2. a top seat; 201. a first fixed seat; 202. a through hole; 203. a chute; 204. a slider; 3. a motor case; 301. a second fixed seat; 302. a positive and negative motor; 303. a speed reducer; 304. a threaded lead screw; 305. a third fixed seat; 4. an electric telescopic rod; 5. installing a box; 501. a box door; 502. a transparent window; 503. a first limiting seat; 504. a second limiting seat; 505. a first air vent; 506. a first dust screen; 507. a second air hole; 508. a second dust screen; 509. a heat radiation fan; 510. a third air hole; 511. a third dust prevention net; 6. a projector.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

referring to fig. 1-4, an ideological and political theory knowledge display device according to an embodiment of the present invention includes a device main body 1, a top seat 2 is fixedly installed at a top end of the device main body 1, a sliding groove 203 is arranged in the top seat 2, a sliding block 204 is slidably connected and installed in the sliding groove 203, a motor box 3 is installed at one side of the top seat 2, a positive and negative motor 302 is installed in the motor box 3, a speed reducer 303 is fixedly installed at one end of the positive and negative motor 302, a threaded lead screw 304 is fixedly installed at one end of the speed reducer 303, the threaded lead screw 304 is connected with the sliding block 204 in a penetrating manner, an electric telescopic rod 4 is fixedly installed at a bottom end of the sliding block 204, a mounting box 5 is fixedly installed at a bottom end of the electric telescopic rod 4, a first limiting seat 503 is installed at one side of an inner bottom end of the mounting box 5, one side fixed mounting of install bin 5 has radiator fan 509, radiator fan 509's one side is equipped with third bleeder vent 510, fixed mounting has third dust prevention net 511 in the third bleeder vent 510.

Through the above scheme of the present invention, a plurality of first fixing seats 201 are fixedly installed on both sides of the top end of the top seat 2, and the first fixing seats 201 are provided with through holes 202; a second fixed seat 301 is fixedly installed at the bottom end of the motor box 3, one end of the second fixed seat 301 is fixedly connected with one side of the top seat 2, the output end of a rotating shaft in the forward and reverse motor 302 is connected with the receiving end of a rotating shaft in the speed reducer 303 through a shaft connector, the output end of the rotating shaft in the speed reducer 303 is connected with one end of the threaded screw rod 304 through a shaft connector, a third fixed seat 305 is installed at the other end of the threaded screw rod 304, and the third fixed seat 305 is fixedly connected with the inner wall of one side of the chute 203; a box door 501 is hinged and installed on one side of the installation box 5 opposite to the heat dissipation fan 509 through a hinge, and a transparent window 502 is fixedly installed on the box door 501; a projector 6 is installed in the installation box 5, and the bottom end and two sides of the projector 6 are respectively connected with the first limiting seat 503 and the second limiting seat 504; install bin 5 on with adjacent one side of radiator fan 509 is equipped with first bleeder vent 505, fixed mounting has first dust screen 506 in the first bleeder vent 505, install bin 5 on with the adjacent opposite side of radiator fan 509 is equipped with second bleeder vent 507, fixed mounting has second dust screen 508 in the second bleeder vent 507.

In specific application, firstly, the first fixing seat 201 and the indoor ceiling are fixed by using a pin, so that the fixed installation of the top seat 2 is realized, then the projector 6 is placed in the installation box 5, the first limiting seat 503 and the second limiting seat 504 can play a role in limiting the position of the projector 6, so that the phenomenon that the projector 6 displaces in the installation box 5 is prevented, the position of the installation box 5 can be adjusted by the telescopic action of the electric telescopic rod 4, so that the position of the projector 6 is adjusted, the speed reducer 303 is driven by the positive and negative motor 302 to rotate, the speed reducer 303 drives the threaded screw rod 304 to rotate, the sliding chute 203 can play a role in limiting the rotation of the sliding block 204, so that when the threaded screw rod 304 rotates, the sliding block 204 only can move towards one end of the threaded screw rod 304, so that the horizontal position of the projector 6 is adjusted, the heat generated by the projector 6 can be dissipated by the heat dissipating fan 509 when the projector is in operation, and the first dust screen 506, the second dust screen 508, and the third dust screen 511 can prevent external dust from entering the inside of the installation box 5.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An ideological and political theory knowledge display device, characterized in that it comprises a device main body (1), a top seat (2) is fixedly installed on the top of the device main body (1), and a top seat (2) is provided with a top seat (2). A chute (203), a slider (204) is slidably connected in the chute (203), a motor box (3) is installed on one side of the top seat (2), and the motor box (3) is A positive and negative motor (302) is installed, one end of the positive and negative motor (302) is fixedly installed with a reducer (303), and one end of the reducer (303) is fixedly installed with a threaded screw (304), the thread The lead screw (304) is connected through the sliding block (204), the bottom end of the sliding block (204) is fixedly installed with an electric telescopic rod (4), and the bottom end of the electric telescopic rod (4) is fixedly installed with an electric telescopic rod (4). An installation box (5), a first limit seat (503) is installed on one side of the inner bottom end of the installation box (5), and a second limit seat is installed on the other side of the inner bottom end of the installation box (5) A seat (504), a cooling fan (509) is fixedly installed on one side of the installation box (5), and a third ventilation hole (510) is provided on one side of the cooling fan (509), and the third ventilation hole A third dust filter (511) is fixedly installed inside (510).

2. An ideological and political theory knowledge display device according to claim 1, characterized in that, a plurality of first fixing seats (201) are fixedly installed on both sides of the top of the top seat (2), A fixing seat (201) is provided with a through hole (202).

3. An ideological and political theory knowledge display device according to claim 1, characterized in that, a second fixing seat (301) is fixedly installed at the bottom end of the motor box (3), and the second fixing seat ( One end of 301) is fixedly connected with one side of the top seat (2), the output end of the inner rotating shaft of the forward and reverse motor (302) is connected with the receiving end of the inner rotating shaft of the reducer (303) through a shaft connector, The output end of the inner rotating shaft of the reducer (303) is connected with one end of the threaded screw (304) through a shaft connector, and the other end of the threaded screw (304) is installed with a third fixing seat (305) , the third fixing seat (305) is fixedly connected with the inner wall of one side of the chute (203).

4. An ideological and political theory knowledge display device according to claim 1, characterized in that a box door is installed on the side of the installation box (5) opposite to the cooling fan (509) through a hinged connection (501), a transparent window (502) is fixedly installed on the box door (501).

5. An ideological and political theory knowledge display device according to claim 1, characterized in that a projector (6) is installed in the installation box (5), and the bottom end of the projector (6) and the The two sides are respectively connected with the first limiting seat (503) and the second limiting seat (504).

6. An ideological and political theory knowledge display device according to claim 1, characterized in that, a first ventilation hole ( 505), a first dust filter (506) is fixedly installed in the first ventilation hole (505), and a second air filter (509) is provided on the other side of the installation box (5) adjacent to the cooling fan (509). Two ventilation holes (507), and a second dustproof net (508) is fixedly installed in the second ventilation holes (507).