CN214580166U

CN214580166U - Projection device

Info

Publication number: CN214580166U
Application number: CN202022777895.3U
Authority: CN
Inventors: 刘杨; 杨柯; 谢晓林; 朱虹; 刁佳玺; 杨密; 吴谦谦
Original assignee: Chengdu Normal University
Current assignee: Chengdu Normal University
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-11-02
Anticipated expiration: 2030-11-26

Abstract

The utility model relates to the technical field of projection devices, in particular to a projection device, which comprises a containing box and a through hole, wherein the upper end of the inner side of the containing box is fixedly connected with an electric telescopic rod, the electric telescopic rod penetrates through the containing box, the lower end of the electric telescopic rod is rotatably connected with the projector, the left end of the upper side of the projector is fixedly connected with the first fixed block, the utility model is provided with the threaded shaft and the first motor, when the angle of the projector is adjusted, the first motor is started to drive the fixed cylinder to rotate in the second fixed block, thereby changing the length of the threaded shaft outside the fixed cylinder, changing the angle between the threaded shaft and the projector through the mutual matching between the limit block and the first fixed block, therefore, the angle of the projector is changed, the condition that the angle of the projector is manually adjusted after the projector is installed is avoided, and safety accidents caused by adjustment of the angle of the projector are reduced.

Description

Projection device

Technical Field

The utility model relates to a projection arrangement technical field specifically is a projection arrangement.

Background

Most of projectors that have now on the market just can not change the angle that changes the projector after fixing the roof, the angle at the projector is not to the time, need the manual work to adjust the angle of projector, need climb to the take the altitude when the angle of manual adjustment projector, the incident takes place easily, and most of projectors all are direct exposure in external environment, the dust in the air falls on the projector easily, the clearance frequency of projector has been increaseed, the intensity of labour of clearance projector has been strengthened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projection arrangement to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a projection device comprises a storage box and a through hole, wherein an electric telescopic rod is fixedly connected to the upper end of the inner side of the storage box, the electric telescopic rod penetrates through the storage box, a projector is rotatably connected to the lower end of the electric telescopic rod, a first fixing block is fixedly connected to the left end of the upper side of the projector, a limiting block is rotatably connected to the inner side of the first fixing block, a threaded shaft is fixedly connected to the right end of the limiting block, a limiting pad is fixedly connected to the right end of the threaded shaft, a fixing cylinder is slidably connected to the outer side of the limiting pad, the threaded shaft penetrates through a fixing cylinder, the fixing cylinder is in threaded connection with the threaded shaft, a first motor is fixedly connected to the middle position of the right end of the fixing cylinder, a second fixing block is fixedly connected to the outer side of the first motor, the second fixing block is rotatably connected with the electric telescopic rod, the fixing cylinder penetrates through the second fixing block, and the fixing cylinder is rotatably connected with the second fixing block, the storage box is characterized in that the lower end of the inner side of the storage box is connected with a sliding block in a sliding mode, the upper end of the sliding block is fixedly connected with a spring, the other end of the spring is fixedly connected with the storage box, the lower end of the sliding block is fixedly connected with a rubber pad, the rubber pad is connected with the storage box in a sliding mode, the right side of the storage box is fixedly connected with a second motor, a baffle is fixedly connected with the lower end of a main shaft of the second motor, a gasket is fixedly connected with the upper end of the baffle and rotatably connected with the rubber pad, the main shaft of the second motor penetrates through the gasket, and the second motor is fixedly connected with the gasket.

Preferably, the stopper runs through first fixed block, the shape of stopper is the disc setting, the stopper is made for stainless steel's tubular product, first fixed block is made for stainless steel's panel.

Preferably, a cylindrical groove is formed in the inner side of the fixed cylinder, the limiting pad is arranged in a cylindrical shape, and the limiting pad rotates in the groove of the fixed cylinder.

Preferably, circular through holes are formed in the left ends of the inner sides of the baffle and the gasket, and the gasket is made of a rubber material plate.

Preferably, the shape of slider and the shape of rubber pad are the annular setting, the slider runs through the containing box, the quantity of spring has 4, and the spring is at slider upside evenly distributed.

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

1. in the utility model, through the threaded shaft and the first motor that are arranged, when the angle of the projector is adjusted, the first motor is started to drive the fixed cylinder to rotate in the second fixed block, so that the length of the threaded shaft outside the fixed cylinder is changed, and simultaneously, the angle between the threaded shaft and the projector is changed through the mutual matching between the limiting block and the first fixed block, so that the angle of the projector is changed, the angle of the projector is prevented from being manually adjusted after the projector is installed, and safety accidents caused by the adjustment of the angle of the projector are reduced;

2. the utility model discloses in, baffle and gasket through setting up, use the second motor to drive the baffle rotation when using the projecting apparatus, thereby make the through-hole on the baffle be located the receiver lower extreme, open the opening of receiver, then electric telescopic handle draws high drive projecting apparatus to descend and uses the projecting apparatus, electric telescopic handle shrink makes the projecting apparatus accomodate in the receiver when not using the projecting apparatus, then start the second motor and drive the baffle rotation and seal the opening of receiver lower extreme, the spring promotes the slider simultaneously and strengthens the pressure between rubber pad and the gasket, with the gap seal between receiver and the baffle, prevent that the dust in the air from falling on the projecting apparatus when not using the projecting apparatus, the cleaning frequency of projecting apparatus has been reduced, the intensity of labour of clearance projecting apparatus has been alleviateed.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic top view of the gasket of the present invention.

In the figure: the device comprises a storage box 1, an electric telescopic rod 2, a projector 3, a first fixing block 4, a limiting block 5, a threaded shaft 6, a limiting pad 7, a fixing cylinder 8, a through hole 9, a first motor 10, a second fixing block 11, a sliding block 12, a spring 13, a rubber pad 14, a second motor 15, a baffle 16 and a gasket 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a projection device comprises a storage box 1 and a through hole 9, wherein the upper end of the inner side of the storage box 1 is fixedly connected with an electric telescopic rod 2, the height of a projector 3 is convenient to adjust, the electric telescopic rod 2 penetrates through the storage box 1, the lower end of the electric telescopic rod 2 is rotatably connected with the projector 3, the left end of the upper side of the projector 3 is fixedly connected with a first fixed block 4, the inner side of the first fixed block 4 is rotatably connected with a limit block 5, the right end of the limit block 5 is fixedly connected with a threaded shaft 6, the distance between a fixed cylinder 8 and the first fixed block 4 is convenient to adjust, the right end of the threaded shaft 6 is fixedly connected with a limit pad 7, the outer side of the limit pad 7 is slidably connected with a fixed cylinder 8, the threaded shaft 6 penetrates through the fixed cylinder 8, the fixed cylinder 8 is spirally connected with the threaded shaft 6, the middle position of the fixed cylinder 8 is fixedly connected with a first motor 10, the outer side of the first motor 10 is fixedly connected with a second fixed block 11, second fixed block 11 rotates with electric telescopic handle 2 and is connected, solid fixed cylinder 8 runs through second fixed block 11, and solid fixed cylinder 8 rotates with second fixed block 11 and is connected, 1 inboard lower extreme sliding connection of containing box has

slider

12, 12 upper ends fixedly connected with springs 13 of slider, and the spring 13 other end and containing box 1 fixed connection, 12 lower extremes of slider fixedly connected with rubber pad 14, and

rubber pad

14 and 1 sliding connection of containing box, 1 right side fixedly connected with second motor 15 of containing box, 15 main shaft lower extreme fixedly connected with baffle 16 of second motor, 16 upper ends fixedly connected with gaskets 17 of baffle, and

gaskets

17 and 14 rotation connection of rubber pad, the main shaft of second motor 15 runs through gaskets 17, and second motor 15 and gaskets 17 fixed connection.

The limiting block 5 penetrates through the first fixing block 4, the limiting block 5 is arranged in a disc shape, the limiting block 5 is made of a stainless steel pipe, the first fixing block 4 is made of a stainless steel plate, friction force between the limiting block 5 and the first fixing block 4 is reduced, and rotation of the threaded shaft 6 is facilitated; a cylindrical groove is formed in the inner side of the fixed cylinder 8, the limiting pad 7 is arranged in a cylindrical shape, and the limiting pad 7 rotates in the groove of the fixed cylinder 8 to limit the threaded shaft 6 and prevent the threaded shaft 6 from falling off from the fixed cylinder 8; the left ends of the inner sides of the baffle 16 and the gasket 17 are both provided with a circular through hole 9, and the gasket 17 is made of a rubber material plate, so that the projector 3 can penetrate through the baffle 16 and the gasket 17; the shape of slider 12 and the shape of rubber pad 14 are the annular setting, and slider 12 runs through containing box 1, and there are 4 the quantity of spring 13, and spring 13 is at slider 12 upside evenly distributed, makes the promotion of spring 13 to slider 12 more stable, strengthens the pressure between rubber pad 14 and the gasket 17.

The working process is as follows: all electrical appliances in the device are external power supplies, when a projector 3 is used, a second motor 15 is used for driving a baffle 16 to rotate, so that a through hole 9 on the baffle 16 is positioned at the lower end of a storage box 1, an opening of the storage box 1 is opened, then an electric telescopic rod 2 is lifted to drive a projector 3 to descend, the projector 3 is enabled to emerge from the storage box 1 for using the projector 3, when the projector 3 is not used, the electric telescopic rod 2 is contracted to drive the projector 3 to ascend, the projector 3 is stored in the storage box 1, then the second motor 15 is started to drive the baffle 16 to rotate to seal the opening at the lower end of the storage box 1, meanwhile, a spring 13 pushes a sliding block 12 to strengthen the pressure between a rubber gasket 14 and a gasket 17, the gap between the storage box 1 and the baffle 16 is sealed, when the angle of the projector 3 is adjusted, a first motor 10 is started to drive a fixing barrel 8 to rotate in a second fixing block 11, thereby change the length of threaded shaft 6 in the fixed section of thick bamboo 8 outside to mutually support through stopper 5 and first fixed block 4 simultaneously, change the angle between threaded shaft 6 and the projecting apparatus 3, thereby make projecting apparatus 3 revolve round the junction between projecting apparatus 3 and electric telescopic handle 2, make projecting apparatus 3's angle change.

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

Claims

1. A projection device comprises a storage box (1) and a through hole (9), and is characterized in that: the upper end of the inner side of the containing box (1) is fixedly connected with an electric telescopic rod (2), the electric telescopic rod (2) penetrates through the containing box (1), the lower end of the electric telescopic rod (2) is connected with a projector (3) in a rotating mode, the left end of the upper side of the projector (3) is fixedly connected with a first fixed block (4), the inner side of the first fixed block (4) is connected with a limit block (5) in a rotating mode, the right end of the limit block (5) is fixedly connected with a threaded shaft (6), the right end of the threaded shaft (6) is fixedly connected with a limit pad (7), the outer side of the limit pad (7) is slidably connected with a fixed cylinder (8), the threaded shaft (6) penetrates through the fixed cylinder (8), the fixed cylinder (8) is spirally connected with the threaded shaft (6), the middle position of the right end of the fixed cylinder (8) is fixedly connected with a first motor (10), and the outer side of the first motor (10) is fixedly connected with a second fixed block (11), the second fixing block (11) is rotatably connected with the electric telescopic rod (2), the fixing cylinder (8) penetrates through the second fixing block (11), the fixing cylinder (8) is rotatably connected with the second fixing block (11), the lower end of the inner side of the containing box (1) is slidably connected with the sliding block (12), the upper end of the sliding block (12) is fixedly connected with the spring (13), the other end of the spring (13) is fixedly connected with the containing box (1), the lower end of the sliding block (12) is fixedly connected with the rubber pad (14), the rubber pad (14) is slidably connected with the containing box (1), the right side of the containing box (1) is fixedly connected with the second motor (15), the lower end of a main shaft of the second motor (15) is fixedly connected with the baffle plate (16), the upper end of the baffle plate (16) is fixedly connected with the gasket (17), the gasket (17) is rotatably connected with the rubber pad (14), the main shaft of the second motor (15) penetrates through the gasket (17), and the second motor (15) is fixedly connected with the gasket (17).

2. A projection device according to claim 1, wherein: stopper (5) run through first fixed block (4), the shape of stopper (5) is the disc setting, stopper (5) are made for stainless steel's tubular product, first fixed block (4) are made for stainless steel's panel.

3. A projection device according to claim 1, wherein: cylindrical grooves are formed in the inner side of the fixed cylinder (8), the limiting pads (7) are arranged in a cylindrical mode, and the limiting pads (7) rotate in the grooves of the fixed cylinder (8).

4. A projection device according to claim 1, wherein: circular through holes (9) are formed in the left ends of the inner sides of the baffle (16) and the gasket (17), and the gasket (17) is made of a rubber material plate.

5. A projection device according to claim 1, wherein: the shape of slider (12) and the shape of rubber pad (14) are the annular setting, containing box (1) is run through in slider (12), the quantity of spring (13) has 4, and spring (13) are at slider (12) upside evenly distributed.