CN212565117U

CN212565117U - Display device convenient for adjusting projection angle

Info

Publication number: CN212565117U
Application number: CN202020594138.XU
Authority: CN
Inventors: 顾宇飞
Original assignee: Qinhuangdao Zhenglan Technology Co ltd
Current assignee: Qinhuangdao Zhenglan Technology Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2021-02-19
Anticipated expiration: 2030-04-20

Abstract

The utility model discloses a conveniently adjust display device of projection angle, including the base, the fixed surface of base is connected with the installation piece, and first bearing is installed to the bilateral symmetry of installation piece, and the dead lever is installed to the inboard of first bearing, and the welding has the locating piece between the dead lever, and the surface mounting of locating piece has the third bearing, and the inboard fixed mounting of third bearing has the dwang, and the upper end welding of dwang has the connecting block, the fixed surface of connecting block is connected with the display screen. When the horizontal inclination angle of the display screen is adjusted, the first motor and the second motor are started to rotate, the rotating rod is driven to rotate left and right in a linkage manner, and the horizontal rotation angle of the display screen is adjusted; the first motor and the second motor rotate inwards or outwards simultaneously to drive the display screen to tilt downwards or tilt upwards, so that the projection angle of the display screen can be conveniently adjusted.

Description

Display device convenient for adjusting projection angle

Technical Field

The utility model belongs to the technical field of the display screen, specifically be a conveniently adjust display device of projection angle.

Background

The display is a flat and ultra-thin display device, which consists of a certain number of color or black and white pixels and is placed in front of a light source or a reflecting surface. Liquid crystal displays are very low power consuming and are therefore favored by engineers for use in battery-operated electronic devices. The main principle is that the current stimulates the liquid crystal molecules to generate points, lines and surfaces which are matched with the back lamp tube to form a picture.

The steering of the existing display cannot be adjusted at will, the common display is placed on a desktop and adjusted through the horizontal angle of the rotating display screen, and the inclination angle of the display screen is inconvenient to adjust.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a conveniently adjust display device of projection angle to solve the problem of the inconvenient regulation of display screen.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a conveniently adjust display device of projection angle, includes the base, the fixed surface of base is connected with the installation piece, first bearing is installed to the bilateral symmetry of installation piece, the dead lever is installed to the inboard of first bearing, the welding has the locating piece between the dead lever, the surface mounting of locating piece has the third bearing, the inboard fixed mounting of third bearing has the dwang, the upper end welding of dwang has the connecting block, the fixed surface of connecting block is connected with the display screen.

Preferably, a second bearing is fixedly mounted on the surface of the fixing rod, and a double bevel gear is fixedly mounted on the surface of the second bearing.

Preferably, the lower end of the rotating rod is welded with a third bevel gear, and the surface of the third bevel gear is connected with a double bevel gear in a meshing manner.

Preferably, the lower surface of base is provided with first mounting groove and second mounting groove, and first motor is installed to the inboard of first mounting groove, and the second motor is installed to the inboard of second mounting groove.

Preferably, a first bevel gear is fixedly connected to a rotating shaft of the first motor, and a right double bevel gear is engaged and connected to the surface of the first bevel gear.

Preferably, a second bevel gear is fixedly connected to a rotating shaft of the second motor, and a left-side double bevel gear is connected to the surface of the second bevel gear in a meshing manner.

Compared with the prior art, the beneficial effects of the utility model are that: when the horizontal inclination angle of the display screen is adjusted, the first motor and the second motor are started to rotate, the rotating rod is driven to rotate left and right in a linkage manner, and the horizontal rotation angle of the display screen is adjusted; the first motor and the second motor rotate inwards or outwards simultaneously to drive the display screen to tilt downwards or tilt upwards, so that the projection angle of the display screen can be conveniently adjusted.

Drawings

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

FIG. 2 is a cross-sectional view of the rotary structure of the present invention;

fig. 3 is a circuit diagram of the present invention.

In the figure: the display device comprises a base 1, a first mounting groove 11, a second mounting groove 12, a first motor 13, a second motor 14, a first bevel gear 15, a second bevel gear 16, a mounting block 2, a first bearing 21, a fixing rod 3, a second bearing 31, a double bevel gear 32, a positioning block 4, a third bearing 41, a rotating rod 5, a third bevel gear 51, a connecting block 52 and a display screen 6.

Detailed Description

Referring to fig. 1 and 2, a display device convenient for adjusting a projection angle includes a base 1, a mounting block 2 fixedly connected to a surface of the base 1, first bearings 21 symmetrically installed on two sides of the mounting block 2, a fixing rod 3 installed on an inner side of the first bearings 21, a positioning block 4 welded between the fixing rods 3, a third bearing 41 installed on a surface of the positioning block 4, a rotating rod 5 fixedly installed on an inner side of the third bearing 41, a connecting block 52 welded to an upper end of the rotating rod 5, and a display screen 6 fixedly connected to a surface of the connecting block 52.

Referring to fig. 1 and 2, a second bearing 31 is fixedly installed on a surface of the fixing rod 3, and a double bevel gear 32 is fixedly installed on a surface of the second bearing 31.

Referring to fig. 1 and 2, a third bevel gear 51 is welded to the lower end of the rotating rod 5, a double bevel gear 32 is engaged with the surface of the third bevel gear 51, the third bevel gear 51 is driven to drive the rotating rod 5 to rotate when the left side and the right side double bevel gear 32 rotate in the same direction, and the third bevel gear 51 stops rotating when the left side and the right side double bevel gear 32 rotate relatively.

Referring to fig. 1 and 2, a first mounting groove 11 and a second mounting groove 12 are formed in the lower surface of the base 1, a first motor 13 is mounted on the inner side of the first mounting groove 11, a second motor 14 is mounted on the inner side of the second mounting groove 12, and both the first motor 13 and the second motor 14 are braking motors.

Referring to fig. 1 and 2, a first bevel gear 15 is fixedly connected to a rotating shaft of the first motor 13, a right double bevel gear 32 is engaged with a surface of the first bevel gear 15, and the first motor 13 drives the first bevel gear 15 to drive the right double bevel gear 32 to rotate.

Referring to fig. 1 and fig. 2, a second bevel gear 16 is fixedly connected to a rotating shaft of the second motor 14, a left-side double bevel gear 32 is engaged and connected to a surface of the second bevel gear 16, and the second motor 14 rotates to drive the second bevel gear 16 to drive the left-side double bevel gear 32 to rotate.

Referring to fig. 3, the first motor 13 is connected in series to the power circuit, and the second motor 14 is connected in parallel to the first motor 13.

The working principle of the scheme is as follows: when the horizontal inclination angle of the display screen 6 is adjusted, the first motor 13 and the second motor 14 are started to rotate clockwise, the first bevel gear 15 and the second bevel gear 16 are meshed with the double bevel gear 32, and the double bevel gear 32 drives the third bevel gear 51, the rotating rod 5, the connecting block 52 and the display screen 6 to rotate leftwards or drives the display screen 6 to rotate rightwards through the counterclockwise rotation linkage of the first motor 13 and the second motor 14 so as to adjust the horizontal angle of the display screen 6; when the first motor 13 and the second motor 14 drive the first bevel gear 15 and the second bevel gear 16 to move relatively, because the two double bevel gears 32 are engaged with the third bevel gear 51 at the same time, the third bevel gear 51 will stop rotating at this time, and when the first bevel gear 15 and the second bevel gear 16 are engaged with the double bevel gears 32, the fixing rod 3 will be driven to rotate along the first bearing 21 so as to drive the display screen 6 to tilt downwards or tilt upwards, thereby facilitating adjustment of the projection angle of the display screen 6.

Claims

1. The utility model provides a conveniently adjust display device of projection angle, includes base (1), its characterized in that: the surface fixed connection of base (1) installs piece (2), first bearing (21) are installed to the bilateral symmetry of installation piece (2), dead lever (3) are installed to the inboard of first bearing (21), the welding has locating piece (4) between dead lever (3), the surface mounting of locating piece (4) has third bearing (41), the inboard fixed mounting of third bearing (41) has dwang (5), the upper end welding of dwang (5) has connecting block (52), the fixed surface of connecting block (52) is connected with display screen (6).

2. A display device for facilitating adjustment of a projection angle according to claim 1, wherein: and a second bearing (31) is fixedly arranged on the surface of the fixing rod (3), and a double bevel gear (32) is fixedly arranged on the surface of the second bearing (31).

3. A display device for facilitating adjustment of a projection angle according to claim 1, wherein: the lower extreme welding of dwang (5) has third bevel gear (51), and the surface meshing of third bevel gear (51) is connected with double bevel gear (32).

4. A display device for facilitating adjustment of a projection angle according to claim 1, wherein: the lower surface of base (1) is provided with first mounting groove (11) and second mounting groove (12), and first motor (13) are installed to the inboard of first mounting groove (11), and second motor (14) are installed to the inboard of second mounting groove (12).

5. A display device for facilitating adjustment of a projection angle according to claim 4, wherein: the rotating shaft of the first motor (13) is fixedly connected with a first bevel gear (15), and the surface of the first bevel gear (15) is connected with a right double bevel gear (32) in a meshed mode.

6. A display device for facilitating adjustment of a projection angle according to claim 4, wherein: a second bevel gear (16) is fixedly connected with a rotating shaft of the second motor (14), and a left-side double bevel gear (32) is meshed and connected with the surface of the second bevel gear (16).