CN219013856U

CN219013856U - Dustproof projection mechanism with leveling function

Info

Publication number: CN219013856U
Application number: CN202223499183.5U
Authority: CN
Inventors: 赵喜文; 赵丽娜
Original assignee: Jilin Jinxiang Monitoring Equipment Co ltd
Current assignee: Jilin Jinxiang Monitoring Equipment Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-12
Anticipated expiration: 2032-12-27

Abstract

The utility model belongs to the field of projection equipment, and particularly relates to a dustproof projection mechanism with a leveling function, which solves the problems of poor practicability and poor dustproof effect in the prior art, and comprises a base, a mounting seat and a projector body, wherein a groove is formed in the base; through the setting of expansion plate, movable rod isotructure, rotate the shaft and make the movable rod rotate, realize the regulation of expansion plate, realize the regulation of mount pad drive projecting apparatus body through adjusting two expansion plates from top to bottom for the projecting apparatus body can be in the horizontality on the desktop of slope, with guarantee projection effect, with this practicality that increases the device.

Description

Dustproof projection mechanism with leveling function

Technical Field

The utility model relates to the technical field of projection equipment, in particular to a dust-proof projection mechanism with a leveling function.

Background

Currently, a projector, also called a projector, is a device capable of projecting images or videos onto a curtain, and playing corresponding video signals by connecting different interfaces with a computer, VCD, DVD, BD, a game console, a DV, etc. Projectors are currently widely used in homes, offices, schools, and entertainment venues, and there are various types of CRT, LCD, DLP, etc. according to different operation modes.

The projection mechanism in the prior art has the following disadvantages: firstly, the traditional projection mechanism is usually placed on a desktop for projection, if the desktop is inclined, the projection mechanism can follow the inclination, so that a projected picture is inclined, the projection effect is affected, and the practicability of the projector is reduced; secondly, traditional projection mechanism places on the desktop when not using, places for a long time and leads to the dust to fall on projection mechanism and projection lens for the picture of projection is fuzzy, influences the projection effect.

Disclosure of Invention

The utility model aims to provide a dustproof projection mechanism with a leveling function, which solves the problems of poor practicability and poor dustproof effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the dustproof projection mechanism with the leveling function comprises a base, an installation seat and a projector body, wherein a groove is formed in the base, two symmetrically arranged fixing plates are fixedly connected to the bottom wall of the groove through screws, telescopic plates are slidably assembled on the two fixing plates, two symmetrically arranged sliding blocks are slidably assembled on the installation seat, and the other ends of the two telescopic plates are movably hinged to the two sliding blocks respectively;

the bottom wall of the groove is fixedly connected with a supporting rod through a screw, the top end of the supporting rod is rotatably provided with a rotating shaft, one end of the rotating shaft is fixedly connected with a movable rod through a screw, the other end of the rotating shaft is fixedly connected with a driven bevel gear through a screw, two symmetrically arranged telescopic rods are slidably assembled on the movable rod, the other end of each telescopic rod is movably hinged to one side of each telescopic plate, an axle is rotatably arranged on the base, and a driving bevel gear is fixedly sleeved on the outer peripheral surface of the axle.

Preferably, the projector body is located at the top of the mounting seat, the top of the mounting seat is fixedly connected with a dust cover through screws, and two symmetrically arranged dust doors are rotatably arranged on one side of the dust cover.

Preferably, the fixing plate is provided with a first telescopic slot, and the telescopic plate is slidably connected in the first telescopic slot.

Preferably, the movable rod is provided with two symmetrical telescopic slots II, and the telescopic rod is slidably connected in the telescopic slots II.

Preferably, a sliding groove is formed in the mounting seat, and the sliding block is connected inside the sliding groove in a sliding mode.

Preferably, the driving bevel gear and the driven bevel gear are meshed.

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

1. according to the utility model, through the arrangement of the structures such as the telescopic plates, the movable rods and the like, the movable rods are rotated by rotating the wheel shafts, the telescopic plates are adjusted, and the installation seats are adjusted up and down by adjusting the two telescopic plates to drive the projector body to be adjusted, so that the projector body is in a horizontal state on an inclined tabletop, the projection effect is ensured, and the practicability of the device is improved.

2. According to the utility model, through the arrangement of the structures such as the dust cover and the dust door, dust can be isolated outside by the arrangement of the dust cover, the dust is prevented from falling on the projector body, the projection effect of the projector body is not influenced by the dust cover by the arrangement of the protective door, and the projector body has good ventilation effect in the dust cover during projection, so that the projector body is prevented from being damaged by heat generated by long-time use of the projector in a closed space.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a front view of the present utility model;

fig. 3 is an enlarged view of the utility model at reference a.

In the figure: 1. a base; 2. a mounting base; 3. a projector body; 4. a fixing plate; 5. a telescoping plate; 6. a movable rod; 7. a telescopic rod; 8. a slide block; 9. a rotating shaft; 10. driven helical gears; 11. a driving helical gear; 12. a wheel axle; 13. a groove; 14. a first telescopic groove; 15. a second telescopic groove; 16. a dust cover; 17. a dust-proof door; 18. a supporting rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a dust-proof projection mechanism with leveling function comprises a base 1, a mounting seat 2 and a projector body 3, wherein a groove 13 is formed in the base 1, two symmetrically arranged fixing plates 4 are fixedly connected to the bottom wall of the groove 13 through screws, telescopic plates 5 are slidably assembled on the two fixing plates 4, two symmetrically arranged sliding blocks 8 are slidably assembled on the mounting seat 2, and the other ends of the two telescopic plates 5 are movably hinged to the two sliding blocks 8 respectively; the bottom wall of the groove 13 is fixedly connected with a supporting rod 18 through a screw, the top end of the supporting rod 18 is rotationally provided with a rotating shaft 9, one end of the rotating shaft 9 is fixedly connected with a movable rod 6 through a screw, the other end of the rotating shaft 9 is fixedly connected with a driven bevel gear 10 through a screw, two symmetrically arranged telescopic rods 7 are slidably assembled on the movable rod 6, the other ends of the telescopic rods 7 are movably hinged to one side of the telescopic plates 5, an axle 12 is rotationally arranged on the base 1, a driving bevel gear 11 is fixedly sleeved on the outer peripheral surface of the axle 12, the movable rod 6 is rotated through the arrangement of the telescopic plates 5, the movable rod 6 and the like, the adjustment of the telescopic plates 5 is realized, the installation seat 2 is used for driving the projector body 3 to be adjusted through the up-down adjustment of the two telescopic plates 5, and the projector body 3 is enabled to be in a horizontal state on an inclined tabletop, so that the projection effect is ensured, and the practicability of the device is improved.

Referring to fig. 1-2, the projector body 3 is located at the top of the mounting seat 2, the top of the mounting seat 2 is fixedly connected with a dust cover 16 through screws, one side of the dust cover 16 is rotatably provided with two symmetrically arranged dust doors 17, dust can be isolated outside through the arrangement of the dust cover 16, the dust is prevented from falling on the projector body 3, the arrangement of the protective door can enable the projection effect of the projector body 3 not to be affected by the dust cover 16, and also enable the projector body 3 to have a good ventilation effect in the dust cover 16 during projection, so that the projector body 3 is prevented from being damaged by heat generated by long-time use of the projector in a closed space.

Referring to fig. 2, the fixing plate 4 is provided with a first telescopic slot 14, and the telescopic plate 5 is slidably connected inside the first telescopic slot 14.

Referring to fig. 2-3, two symmetrical telescopic slots 15 are formed in the movable rod 6, and the telescopic rod 7 is slidably connected to the inside of the telescopic slots 15.

Referring to fig. 2, a sliding groove is formed in the mounting seat 2, and a sliding block 8 is slidably connected inside the sliding groove.

Referring to fig. 3, a driving bevel gear 11 is engaged with a driven bevel gear 10.

The specific implementation process of the utility model is as follows: the base 1 is placed on a desktop, the driving bevel gear 11 is driven by the rotating wheel shaft 12 to rotate, the driven bevel gear 10 is driven by the driving bevel gear 11 to rotate, the rotating shaft 9 and the movable rod 6 are driven by the driven bevel gear 10 to rotate, the movable rod 6 rotates to enable the two telescopic plates 5 to move up and down relatively, the angle of the mounting seat 2 is adjusted, and the projector body 3 can be kept horizontal on the inclined desktop;

further, the dust cover 16 can be effectively isolated, dust is prevented from falling on the projector body 3, the projection effect of the projector body 3 can be prevented from being influenced by the dust cover 16 due to the arrangement of the protective door, ventilation can be realized inside the dust cover 16, and the projector body 3 is prevented from being excessively high in temperature and influencing normal projection work due to the fact that the projector body 3 is used in a closed space.

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

Claims

1. The utility model provides a dustproof projection mechanism with leveling function, includes base (1), mount pad (2) and projecting apparatus body (3), its characterized in that: the novel telescopic device is characterized in that a groove (13) is formed in the base (1), two symmetrically arranged fixing plates (4) are fixedly connected to the bottom wall of the groove (13) through screws, telescopic plates (5) are slidably assembled on the two fixing plates (4), two symmetrically arranged sliding blocks (8) are slidably assembled on the mounting base (2), and the other ends of the two telescopic plates (5) are movably hinged to the two sliding blocks (8) respectively;

the novel telescopic device is characterized in that a supporting rod (18) is fixedly connected to the bottom wall of the groove (13) through a screw, a rotating shaft (9) is rotatably arranged at the top end of the supporting rod (18), a movable rod (6) is fixedly connected to one end of the rotating shaft (9) through the screw, a driven bevel gear (10) is fixedly connected to the other end of the rotating shaft (9) through the screw, two symmetrically arranged telescopic rods (7) are slidably arranged on the movable rod (6), the other end of each telescopic rod (7) is movably hinged to one side of each telescopic plate (5), an axle (12) is rotatably arranged on the base (1), and a driving bevel gear (11) is fixedly sleeved on the outer peripheral surface of the axle (12).

2. The dust-proof projection mechanism with leveling function according to claim 1, wherein: the projector comprises a projector body (3), a mounting seat (2) and a dust cover (16), wherein the projector body (3) is located at the top of the mounting seat (2), the top of the mounting seat (2) is fixedly connected with the dust cover (16) through screws, and two symmetrically arranged dust doors (17) are rotatably arranged on one side of the dust cover (16).

3. The dust-proof projection mechanism with leveling function according to claim 1, wherein: the fixing plate (4) is provided with a first telescopic groove (14), and the telescopic plate (5) is connected inside the first telescopic groove (14) in a sliding mode.

4. The dust-proof projection mechanism with leveling function according to claim 1, wherein: two symmetrical telescopic slots (15) are formed in the movable rod (6), and the telescopic rod (7) is slidably connected to the inside of the telescopic slots (15).

5. The dust-proof projection mechanism with leveling function according to claim 1, wherein: the mounting seat (2) is provided with a sliding groove, and the sliding block (8) is connected in the sliding groove in a sliding way.

6. The dust-proof projection mechanism with leveling function according to claim 1, wherein: the driving bevel gear (11) is meshed with the driven bevel gear (10).