CN219389139U - Multimedia exhibition hall projection device - Google Patents

Abstract

The utility model discloses a multimedia exhibition hall projection device which comprises a projector main body, a toothed bar, a storage sleeve and a connecting rod, wherein the toothed bar is fixedly arranged on the surfaces of two sides of the projector main body, a positioning plate is movably arranged on the surface of the outer side of one end of the toothed bar, the storage sleeve is slidably arranged on the surface of the toothed bar, a protective cover is fixedly arranged on the upper surface of the storage sleeve, a double-shaft motor is fixedly arranged in the protective cover, and the connecting rod is fixedly arranged on the rear end surface of the storage sleeve. According to the multimedia exhibition hall projection device, through the mode that the toothed bars, the connecting rods, the positioning plates and the storage sleeve box double-shaft motors are matched with each other, when the projection device installed at a high position needs to be maintained, the projector main body at the high position can be turned to a position close to the ground, so that maintenance staff can conveniently maintain the projection device without going to the high position for maintenance.

Description

Multimedia exhibition hall projection device

Technical Field

The utility model relates to the field of projection devices, in particular to a multimedia exhibition hall projection device.

Background

At present, along with the development of the times, the living standard of people is continuously improved, and various exhibition halls are continuously raised, so that in order to attract the attention of audiences, the exhibition halls mostly adopt multimedia equipment to carry out multi-aspect display, and the audiences can conveniently know the content displayed by the exhibition halls.

However, the multimedia projection device is fixedly installed at the top of the exhibition hall, when the projection device needs to be maintained, a worker needs to use a ladder to go up to a high place for maintenance, and the maintenance at the high place has a certain danger, and the maintenance operation is inconvenient.

Disclosure of Invention

The utility model mainly aims to provide a multimedia exhibition hall projection device which can effectively solve the technical problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a multi-media exhibition room projection arrangement, includes projecting apparatus main part, ratch, accomodates cover and connecting rod, the both sides fixed surface of projecting apparatus main part installs the ratch, the one end outside surface active mounting of ratch has the locating plate, the surface sliding of ratch installs and accomodates the cover, the last fixed surface who accomodates the cover installs the protection casing, the inside fixed mounting of protection casing has biax motor, the rear end face fixed mounting of accomodating the cover has the connecting rod.

Preferably, a fixing seat is movably arranged on the inner side surface of one end of the toothed bar, a positioning hole is formed in the surface of one side, close to the toothed bar, of the fixing seat, a sliding groove is formed in the upper surface and the lower surface of the toothed bar, and a rebound groove is formed in the outer side surface of one end of the toothed bar.

Preferably, the slider is fixedly installed on the upper surface and the lower surface of the front end inside the storage sleeve, the gear is movably installed inside the storage sleeve and close to the front end, the first bevel gear is movably installed on the upper surface of the front end of the storage sleeve, and the slider is embedded in the sliding groove.

Preferably, a transmission shaft is fixedly arranged at the output end of the double-shaft motor, and a two-bevel gear is fixedly sleeved at one end of the transmission shaft.

Preferably, the front surface of the positioning plate is fixedly provided with a handle, the rear surface of the positioning plate is fixedly provided with a guide rod, and the rear end of the guide rod penetrates through the rebound groove to be embedded in the positioning hole.

Preferably, the surface of the guide rod is fixedly sleeved with a stop ring in the rebound groove, and the spring is sleeved on the surface of the guide rod and in front of the stop ring.

Preferably, the front end of the spring is connected with the inner front surface of the rebound groove, the rear end of the spring is connected with the stop ring, the toothed bar is fixed with the projector main body through the fixing seat, the first bevel gear is meshed with the second bevel gear, the lower end of the first bevel gear is fixed with the gear, and the gear is meshed with the toothed bar.

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

according to the utility model, by means of the mutual matching of the toothed bar, the connecting rod, the positioning plate and the storage sleeve double-shaft motor, when a projection device arranged at a high position needs to be maintained, after a wire connected with the projector is disconnected, the connecting rod is controlled to overturn by using an external device, so that the projection end of the projector continuously overturns downwards, then the double-shaft motor is started, the double-shaft motor drives the meshed first bevel gear to rotate by using the rotating second bevel gear, the rotating first bevel gear can drive the gear to rotate, the meshed toothed bar can be continuously moved out of the storage sleeve by the rotating gear until the toothed bar moves out to the maximum length, at the moment, the projector main body is close to the ground to the maximum extent, and therefore, operators on the ground can conveniently maintain the projector main body without using a ladder to go to the high position for maintenance, and the positioning plate is pulled outwards during maintenance, so that the guide rod of the positioning plate is pulled out of the positioning hole, and the angle of the projector main body can be adjusted according to the maintenance requirement.

Drawings

FIG. 1 is a block diagram of a multimedia exhibition hall projection device according to the present utility model;

FIG. 2 is a diagram showing a toothed bar split structure of a projection device of a multimedia exhibition hall;

FIG. 3 is a schematic diagram showing connection between a biaxial motor and a receiving sleeve of a multimedia exhibition hall projection device according to the present utility model;

fig. 4 is a block diagram of a positioning plate of a multimedia exhibition hall projection device according to the present utility model.

In the figure: 1. a projector main body; 2. a toothed bar; 201. a chute; 202. a fixing seat; 203. positioning holes; 204. a rebound groove; 3. a connecting rod; 4. a positioning plate; 401. a handle; 402. a guide rod; 403. a stop ring; 404. a spring; 5. a storage sleeve; 501. a slide block; 502. a gear; 503. a first bevel gear; 6. a protective cover; 7. a biaxial motor; 701. a transmission shaft; 702. a two-bevel gear.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

The utility model provides a multi-media exhibition room projection arrangement as shown in fig. 1-4, including projecting apparatus main part 1, rack bar 2, accomodate cover 5 and connecting rod 3, the both sides fixed surface of projecting apparatus main part 1 installs rack bar 2, and the one end outside surface movable mounting of rack bar 2 has locating plate 4, and the surface sliding of rack bar 2 installs accomodates cover 5, and the upper surface fixed mounting who accomodates cover 5 has protection casing 6, and the inside fixed mounting of protection casing 6 has biax motor 7, and the rear end face fixed mounting who accomodates cover 5 has connecting rod 3.

A fixed seat 202 is movably arranged on the inner side surface of one end of the toothed bar 2, a positioning hole 203 is formed in the surface, close to the toothed bar 2, of the fixed seat 202, a sliding groove 201 is formed in the upper surface and the lower surface of the toothed bar 2, a rebound groove 204 is formed in the outer side surface of one end of the toothed bar 2, and the rebound groove 204 can prevent a guide rod 402 from being pulled out of the rebound groove 204; the upper surface and the lower surface of the front end inside the storage sleeve 5 are fixedly provided with a sliding block 501, a gear 502 is movably arranged inside the storage sleeve 5 and close to the front end, the upper surface of the front end of the storage sleeve 5 is movably provided with a first bevel gear 503, the sliding block 501 is embedded in the sliding groove 201, and the rotating second bevel gear 702 can drive the first bevel gear 503 to rotate; a transmission shaft 701 is fixedly arranged at the output end of the double-shaft motor 7, and a two-bevel gear 702 is fixedly sleeved at one end of the transmission shaft 701; the front surface of the positioning plate 4 is fixedly provided with a handle 401, the rear surface of the positioning plate 4 is fixedly provided with a guide rod 402, the rear end of the guide rod 402 penetrates through the rebound groove 204 to be embedded in the positioning hole 203, and the positioning plate 4 can fix the projection angle of the projector main body 1; a stop ring 403 is fixedly sleeved on the surface of the guide rod 402 and positioned in the rebound groove 204, a spring 404 is sleeved on the surface of the guide rod 402 and positioned in front of the stop ring 403, and the spring 404 has a backward thrust on the stop ring 403; the front end of the spring 404 is connected with the inner front surface of the rebound groove 204, the rear end of the spring 404 is connected with the stop ring 403, the toothed bar 2 is fixed with the projector main body 1 through the fixing seat 202, the first bevel gear 503 is meshed with the second bevel gear 702, the lower end of the first bevel gear 503 is fixed with the gear 502, and the gear 502 is meshed with the toothed bar 2.

It should be noted that, when the projection device installed at a high place is required to be maintained, after the wires connected with the projector are disconnected, the connecting rod 3 is controlled by an external device to turn over, so that the projection end of the projector is continuously turned down, then the double-shaft motor 7 is started, the double-shaft motor 7 drives the meshed first bevel gear 503 to rotate by using the rotating second bevel gear 702, the rotating first bevel gear 503 can drive the gear 502 to rotate, the rotating gear 502 can drive the meshed toothed bar 2 to continuously move out of the accommodating sleeve 5 until the toothed bar 2 moves out of the maximum length, at this time, the projector main body 1 is maximally close to the ground, thus operators on the ground can conveniently maintain the projector main body 1 without using a ladder to go up to the high place for maintenance, and the guide rod 402 of the positioning plate 4 is pulled outwards during maintenance, so that the guide rod 402 of the positioning plate 4 is pulled out from the positioning hole 203, and the angle of the projector main body 1 can be adjusted according to the maintenance requirement.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present 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 (7)

1. A multimedia exhibition hall projection device, characterized in that: including projecting apparatus main part (1), rack bar (2), accomodate cover (5) and connecting rod (3), the both sides fixed surface of projecting apparatus main part (1) installs rack bar (2), the one end outside surface active mounting of rack bar (2) has locating plate (4), the surface sliding of rack bar (2) installs accomodates cover (5), the last fixed surface of accomodating cover (5) installs protection casing (6), the inside fixed mounting of protection casing (6) has biax motor (7), the rear end face fixed mounting of accomodating cover (5) has connecting rod (3).

2. The multimedia presentation room projection device of claim 1, wherein: the novel tooth bar is characterized in that a fixing seat (202) is movably mounted on the inner side surface of one end of the tooth bar (2), a positioning hole (203) is formed in the surface, close to the tooth bar (2), of the fixing seat (202), a sliding groove (201) is formed in the upper surface and the lower surface of the tooth bar (2), and a rebound groove (204) is formed in the outer side surface of one end of the tooth bar (2).

3. A multimedia showroom projection apparatus according to claim 2, wherein: the sliding block (501) is fixedly mounted on the upper surface and the lower surface of the front end inside the storage sleeve (5), a gear (502) is movably mounted inside the storage sleeve (5) and close to the front end, a first bevel gear (503) is movably mounted on the upper surface of the front end of the storage sleeve (5), and the sliding block (501) is embedded in the sliding groove (201).

4. A multimedia showroom projection apparatus according to claim 3, wherein: the output end of the double-shaft motor (7) is fixedly provided with a transmission shaft (701), and one end of the transmission shaft (701) is fixedly sleeved with a two-cone gear (702).

5. The multimedia presentation room projection device of claim 4, wherein: the front surface of the locating plate (4) is fixedly provided with a handle (401), the rear surface of the locating plate (4) is fixedly provided with a guide rod (402), and the rear end of the guide rod (402) penetrates through the rebound groove (204) to be embedded in the locating hole (203).

6. The multimedia presentation room projection device of claim 5, wherein: the surface of the guide rod (402) is fixedly sleeved with a stop ring (403) in the rebound groove (204), and the surface of the guide rod (402) is sleeved with a spring (404) in front of the stop ring (403).

7. The multimedia presentation room projection device of claim 6, wherein: the front end of spring (404) is connected with the inside front surface of resilience groove (204), the rear end of spring (404) is connected with backstop ring (403), rack (2) are fixed with projecting apparatus main part (1) through fixing base (202), no. one bevel gear (503) and two bevel gears (702) meshing, the lower extreme of No. one bevel gear (503) is fixed with gear (502), gear (502) and rack (2) meshing.