CN201532734U - Screen folding and turning structure - Google Patents

Abstract

The utility model discloses a screen folding and overturning structure, which consists of a transmission mechanism, a hinge frame overturning mechanism, a built-in fixed frame and a limiting mechanism; the hinge frame turnover mechanism consists of a driving arm, a driven arm and a fork-shaped elastic shifting fork; the built-in fixing frame is divided into an inclined part and a vertical part, and the vertical part is provided with an arc-shaped slideway and an upper limit switch and a lower limit switch; the transmission mechanism consists of a driving wheel and a sector gear; the driving wheel is fixed on the obliquely-arranged built-in fixing frame through a flange and connected with the power shaft, the sector gear is meshed with the driving wheel, the tail end of the sector gear is fixedly connected with the rotating end of the driving arm of the hinge frame turnover mechanism, the rotating end of the driving arm is fixed on the built-in fixing frame through a hinge, and the front end of the driving arm is hinged on the connecting frame behind the screen through a hinge. The utility model discloses compact structure and reasonable has solved the screen well and has fully opened, can add the purpose of functional structure in same space, is that narrow and small space sets up the must pass through way of taking screen equipment, has extensive market demand.

Description

Screen folding and flipping structure

technical field

A screen folding and flipping structure for a device with a screen

Background technique

With the progress and development of modern technology, there are more and more devices with screen display functions, which greatly enrich and facilitate people's life and work, and some of them have become indispensable devices in life and work.

In the past, most of the devices with screens were fixed screens, and most of them could meet the needs of using functions. However, for occasions where space is limited, devices with screens that take up less space are technically required to meet the needs of arranging more devices in a small space.

There has been a mechanism for flipping the screen before, but it can only flip 45 degrees, which cannot fully meet the needs of more settings behind the screen.

Contents of the invention

The purpose of this utility model is to make the screen turn over 90 degrees from a vertical state to a parallel state through the design of a folding and turning mechanism, which can meet the purpose of setting more functional mechanisms behind the screen and occupying a smaller space.

The utility model is composed of a transmission mechanism, a hinge frame turning mechanism, a built-in fixing frame and a limit mechanism; the hinge frame turning mechanism is composed of a driving arm, a driven arm, and a fork-shaped elastic fork; the built-in fixing frame is divided into oblique and vertical parts. , the vertical part is equipped with an arc-shaped slideway and upper and lower limit switches; the transmission mechanism is composed of a driving wheel and a fan-shaped gear; The type gear meshes with the driving wheel, and the tail end is fixedly connected with the rotating end of the active arm of the hinge frame turning mechanism. The rotating end of the active arm is fixed on the built-in fixed frame through a hinge, and the front end of the active arm is hinged on the connecting frame behind the screen through a hinge. , the coaxial set of the hinge at the rotating end of the active arm is equipped with a fork-shaped elastic fork. One end of the fork is fixed on the front edge of the middle section of the active arm and penetrates into the arc-shaped slideway, and the other end is fixed on the center point of the outer circle of the supporting hinge of the follower arm. On the top, the other end of the slave arm is hinged to the connecting frame behind the screen, and is separated from the connection point of the master arm by a reversible distance; the slave arm is an angled support arm, and the angle of the angle is not less than 90 degrees.

The working process of the utility model is as follows: when the screen is in the vertical working state, start the built-in motor, the driving wheel rotates, and drives the sector gear to rotate upwards. The connecting end drives the screen forward to push down, and the slave arm pushes the screen to flip from bottom to top until it reaches a parallel position. The main arm touches the limit switch, and the driving wheel stops rotating; the upward homing action can be reversed.

The utility model has a compact and reasonable structure, and satisfies the purpose of fully opening the screen and adding a functional structure in the same space. It is the only way to install devices with screens in narrow spaces, and has extensive market demand.

Description of drawings

Accompanying drawing is the structure schematic diagram of the present utility model, also is the figure with specification summary. The labels in the figure are (1) (2) built-in fixing frame, (3) flange, (4) driving wheel, (5) fan-shaped gear, (6) fork-shaped elastic fork, (7) (9) ) (11) (12) hinge, (8) follower arm, (10) connecting frame, (13) screen, (14) active arm, (15) arc slideway, (16) (17) limit switch .

Detailed ways

Now give an example in conjunction with accompanying drawing and further illustrate the utility model.

Example:

The screen 13 is 150mm long and 110mm wide; the active arm 4 is 100mm long, the distance from the center of hinge 7 to the center of hinge 11 is 84mm, the inward folding angle from the movable arm 8 is 120 degrees, the straight-line distance from the center of hinge 9 to the center of hinge 12 is 64mm, and the distance between hinge 11 The distance from the center to the center of the hinge 12 is 24mm; the built-in fixed frame 1 is square, inclined at 25 degrees, the side length is 60mm, and the drive motor is set inside; the driving wheel 4 is 20mm in diameter, the module is 5, and the sector gear 5 has a sector body of 110 degrees , radius 44mm, modulus 5; the built-in fixed frame 2 is reverse L-shaped vertical setting, the vertical part is 100mm high, 50mm wide, and 150mm long, the horizontal part is 50mm high, 100mm wide, and 140mm long; the curved slideway 15 has a straight line length of 40mm . The arc height is 10mm; the limit switch 17 is 16mm from the bottom of the built-in fixed frame 2, and the limit switch 16 is 20mm from the top of the built-in fixed frame 2.

Claims (1)

1. a screen folded turnover structure is made up of gear train, hinge mount switching mechanism, built-in fixed mount and position-limit mechanism; It is characterized in that: the hinge mount switching mechanism is made up of master arm, slave arm, forked type elasticity shift fork; Built-in fixed mount divides tilting and vertical two parts, and vertical component is provided with camber slideway and upper and lower limit bit switch; Gear train is made up of driving wheel and fan type gear; Driving wheel is fixed on the tilting built-in fixed mount by ring flange, and join with line shaft, fan type gear and driving wheel engagement, the master arm round end of tail end and hinge mount switching mechanism is affixed, the round end of master arm fixes on the built-in fixed mount by hinges fixing, the front end of master arm is hinged on the link of screen back by hinge, master arm round end hinge coaxial package has forked type elasticity shift fork, shift fork one end is fixed in forward position, master arm stage casing, and probe in the cambered way, the other end fixes on the cylindrical central point of slave arm supporting hinges, the slave arm other end is hinged on by hinge on the link of screen back, with the master arm tie point turning distance of being separated by; Slave arm is a knuckle type sway brace, and the knuckle angle is not less than 90 degree.

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