CN209991134U

CN209991134U - Numerical control telescopic screen

Info

Publication number: CN209991134U
Application number: CN201920293320.9U
Authority: CN
Inventors: 石晨
Original assignee: Guangzhou Kezhuo Machinery Co Ltd
Current assignee: Guangzhou Kezhuo Machinery Co Ltd
Priority date: 2019-03-07
Filing date: 2019-03-07
Publication date: 2020-01-24
Anticipated expiration: 2029-03-07

Abstract

The utility model provides a numerical control retractable screen comprises a fixed frame, a driving mechanism, a movable frame, a guiding mechanism and a display screen, wherein the movable frame is movably sleeved outside the fixed frame, the display screen is fixedly connected with the movable frame, and the driving mechanism is used for driving the movable frame to move relative to the fixed frame so as to realize the retractable of the display screen; the guide mechanism comprises a guide change gear and a sliding block, the guide change gear is rotatably and fixedly connected to the upper side of the fixed frame, the upper side of the guide change gear upwards supports against the movable frame, the sliding block is fixedly connected to the lower side of the fixed frame, and the sliding block is of an Jiong-shaped structure corresponding to the lower rod piece in the telescopic direction of the movable frame.

Description

Numerical control telescopic screen

Technical Field

The utility model relates to an exhibition room screen especially relates to a numerical control flexible screen.

Background

The digital control installation display screen is to reach the visual effect of better exhibition and display, through the flexible screen of numerical control mechanical device back-and-forth movement, forms the stereovision of straggling around the formation, and dynamic image produces and attracts the visual impact for the exhibit gets into viewer's sight more easily.

However, the existing digital exhibition hall generally has high requirements on the ground, and cannot use a ground bearing mode, for example, the ground can be damaged by moving on the ground by using wheels, so that the digital exhibition hall can be only installed in a hanging mode or installed by depending on the auxiliary installation of a wall surface, sometimes the wall surface is made of light steel keels, so that the digital exhibition hall is not suitable for installation at all, the installation difficulty is high, and if the digital exhibition hall is installed in a hanging mode, a large-sized screen is difficult to move, and the stability is poor.

The utility model provides a numerical control expansion screen, the installation is easier, and it is comparatively simple to remove, and stability is better, whole digital control, advantages such as precision height.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a numerical control expansion screen removes through actuating mechanism drive display screen to by the guiding mechanism direction, with the motion of stabilizing the display screen.

In order to achieve the above purpose, the utility model provides a numerical control retractable screen comprises a fixed frame, a driving mechanism, a movable frame, a guiding mechanism and a display screen, wherein the movable frame is movably sleeved outside the fixed frame, the display screen is fixedly connected with the movable frame, and the driving mechanism is used for driving the movable frame to move relative to the fixed frame so as to realize the extension and retraction of the display screen; the guide mechanism comprises a guide change gear and a sliding block, the guide change gear is rotatably and fixedly connected to the upper side of the fixed frame, the upper side of the guide change gear upwards supports against the movable frame, the sliding block is fixedly connected to the lower side of the fixed frame, and the sliding block is of an Jiong-shaped structure corresponding to the lower rod piece in the telescopic direction of the movable frame.

Compared with the prior art, the utility model provides a flexible screen of numerical control through the actuating mechanism drive to via guiding mechanism location and direction, make the display screen do concertina movement steadily.

Preferably, the fixed frame is respectively provided with positioning plates upwards along the left side and the right side of the telescopic direction of the movable frame, and the guide hanging wheels are respectively and rotatably connected to the opposite sides of the two positioning plates; the upper rod piece in the telescopic direction of the movable frame is inserted between the two positioning plates, and the lower side of the upper rod piece in the telescopic direction of the movable frame is abutted against the two guide hanging wheels so as to enhance the positioning of the movable frame.

Preferably, the two guide change gears arranged at the opposite sides of the two positioning plates form a group, and at least two groups of guide change gears are arranged along the telescopic direction of the movable frame.

Preferably, the driving mechanism comprises a driving unit and a pushing screw rod, the driving unit is fixedly connected to the fixed frame, one end of the pushing screw rod is fixedly connected to the movable frame, a nut is sleeved outside the pushing screw rod, and the output end of the driving unit drives the nut to rotate so as to push the movable frame and the display screen to stretch.

Preferably, the driving mechanism further comprises a driving pulley and a driven pulley, the driving pulley is fixedly connected to the output end of the driving unit, the driven pulley is fixedly connected to the nut, and the driving unit drives the driving pulley to rotate so as to drive the driven pulley and the nut to rotate, so that friction force in the transmission process is reduced.

Preferably, the fixing frame is used for fixedly connecting an external fixing mechanism.

Preferably, the numerical control retractable screen further comprises an adjusting mechanism; the adjusting mechanism is arranged on one side of the fixing frame, which is used for fixedly connecting the external fixing mechanism, and comprises a connecting shaft fixedly connected to the fixing frame and an adjusting block rotatably connected to the connecting shaft so as to adjust the placing angle of the numerical control telescopic screen.

Drawings

Fig. 1 is the structure schematic diagram of the numerical control retractable screen of the utility model.

FIG. 2 is a right side view of the numerical control retractable screen of the present invention

Fig. 3 is a partially enlarged view of a portion a in fig. 1.

In the figure: 100 fixed frames, 200 movable frames, 210 upper rod pieces, 220 lower rod pieces, 300 driving mechanisms, 310 driving units, 320 pushing screw rods, 330 nuts, 340 driving belt wheels, 350 driven belt wheels, 360 belts, 400 guiding mechanisms, 410 guiding hanging wheels, 420 sliding blocks, 430 positioning plates, 500 display screen connecting frames, 600 external fixing mechanisms, 700 adjusting mechanisms, 710 adjusting blocks and 720 connecting shafts.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

As shown in fig. 1 and fig. 2, the utility model provides a numerical control retractable screen includes a fixed frame 100, a movable frame 200, a driving mechanism 300, a guiding mechanism 400 and a display screen (not shown in the figure), the movable frame 200 is movably sleeved outside the fixed frame 100, the display screen is fixedly connected with the movable frame 200, and the driving mechanism 300 is used for driving the movable frame 200 to move relative to the fixed frame 100 so as to realize the retractable screen; the guiding mechanism 400 includes a guiding hanging wheel 410 and a sliding block 420, the guiding hanging wheel 410 is rotatably and fixedly connected to the upper side of the fixed frame 100, the upper side of the guiding hanging wheel 410 is upwardly abutted against the movable frame 200, the sliding block 420 is fixedly connected to the lower side of the fixed frame 100, and the sliding block 420 is in a Jiong-shaped structure corresponding to the lower rod member 220 of the movable frame 200 in the telescopic direction.

Specifically, the method comprises the following steps: as shown in fig. 1 and 2, the movable frame 200, which is a square frame, is movably sleeved outside the fixed frame 100, the movable frame 200 is fixedly provided with a display screen connecting frame 500 for connecting a display screen, and the driving mechanism 300 is used for driving the movable frame 200 to move the movable frame 200 relative to the fixed frame 100, so as to achieve the expansion and contraction of the display screen; the guide pulley 410 is rotatably connected and fixedly connected to the upper side of the fixed frame 100, so that the guide pulley 410 abuts against the movable frame 200 and the upper rod 210 of the movable frame 200 in the telescopic direction. The sliding block 420 is fixedly connected to the lower side of the fixed frame 100, and the sliding block 420 having the structure of "Jiong" corresponds to the lower rod member 220 of the movable frame 200 in the telescopic direction, so that the display screen stably makes telescopic motion.

As shown in fig. 1 and 3, the driving mechanism 300 includes a driving unit 310 and a push screw 320, the driving unit 310 is fixedly connected to the fixed frame 100, one end of the push screw 320 is fixedly connected to the movable frame 200, a nut 330 is sleeved outside the push screw 320, and an output end of the driving unit 310 drives the nut 330 to rotate so as to push the movable frame 200 and the display screen to extend and retract. More specifically: as shown in fig. 1 and 3, the driving unit 310 is fixedly connected to the lower rod 220 of the fixed frame 100 along the extension direction of the movable frame 200, one end of the push screw 320 along the extension direction of the movable frame 200 is fixedly connected to the movable frame 200, a nut 330 is sleeved outside the push screw 320, and the output end of the driving unit 310 drives the nut 330 to rotate so as to drive the push screw 320 to move.

As shown in fig. 1 and 3, the driving mechanism 300 further includes a driving pulley 340 and a driven pulley 350, the driving pulley 340 is fixedly connected to the output end of the driving unit 310, the driven pulley 350 is fixedly connected to the nut 330, and the driving unit 310 drives the driving pulley 340 to rotate so as to drive the driven pulley 350 and the nut 330 to rotate. In this embodiment, as shown in fig. 1 and fig. 3, the driving pulley 340 is fixedly connected to the output end of the driving unit 310, the driven pulley 350 is fixedly connected to the nut 330, so that the driven pulley 350 drives the nut 330 to rotate, the driving unit 310 drives the driving pulley 340 to rotate, the driving pulley 340 drives the driven pulley 350 to rotate through the belt 360 to drive the push screw 320, so that the display screen makes telescopic motion, thereby reducing friction force during transmission.

As shown in fig. 1, the fixed frame 100 is provided with positioning plates 430 respectively upward along the left and right sides of the flexible frame 200 in the extending and retracting direction, and the guide pulleys 410 are respectively rotatably connected to the opposite sides of the two positioning plates 430; the upper rod 210 of the movable frame 200 in the telescopic direction is inserted between the two positioning plates 430, and the lower side of the upper rod 210 of the movable frame 200 in the telescopic direction abuts against the two guide hanging wheels 410. As shown in fig. 1, two positioning plates 430 are respectively disposed upwards on two sides of the upper rod 210 of the fixed frame 100 along the extension direction of the movable frame 200, and the guide hanging wheels 410 are respectively rotatably connected to opposite sides of the two positioning plates 430, so that the movable frame 200 abuts against the two guide hanging wheels 410.

Preferably, as shown in fig. 1, two guide pulleys 410 disposed on opposite sides of the two positioning plates 430 form a set, and at least two sets of guide pulleys 410 are disposed along the extension and retraction direction of the movable frame 200. In the present embodiment, as shown in fig. 1, two guide hanging wheels 410 disposed on opposite sides of two positioning plates 430 are combined, and two sets of guide hanging wheels 410 are fixedly disposed on the fixed frame 100 along the extension and retraction direction of the movable frame 200.

Preferably, as shown in fig. 1, the fixing frame 100 is used to fixedly connect an external fixing mechanism 600. More specifically: as shown in fig. 1, the external fixing mechanism 600 is fixedly connected to the fixing frame 100, and is used for connecting the fixing frame 100 with an external environment to fix the position of the digitally controlled retractable screen.

As shown in fig. 1, the numerical control retractable screen further comprises an adjusting mechanism 700; the adjusting mechanism 700 is disposed at one side of the fixing frame 100 for fixedly connecting the external fixing mechanism 600, and the adjusting mechanism 700 includes a connecting shaft 720 fixedly connected to the fixing frame 100 and an adjusting block 710 rotatably connected to the connecting shaft 720. More specifically: as shown in fig. 1, the fixing frame 100 is provided with a rotatable connecting shaft 720, the adjusting block 710 is connected to the connecting shaft 720 to form an adjusting mechanism 700, and the adjusting mechanism 700 is connected to one side of the external fixing mechanism 600 to adjust the placing angle of the numerical control retractable screen.

As shown in fig. 1-3, the working process of the numerical control retractable screen provided by the present invention is explained in detail:

the fixed frame 100 is fixed by the external fixing mechanism 600, the driving unit 310 drives the driving pulley 340 to rotate, so as to drive the driven pulley 350 and the nut 330 to rotate, further drive the pushing screw 320 to push and pull the movable frame 200, and the movable frame 200 moves under the guidance of the guiding mechanism 400 and drives the display screen to do telescopic motion.

Compared with the prior art, the utility model provides a flexible screen of numerical control utilizes actuating mechanism 300 drive display screen to be the motion, and via guiding mechanism 400 location direction for concertina movement is stably to the display screen. The driving pulley 340 drives the driven pulley 350 through the belt 360, thereby reducing friction during driving.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not to be limited thereto.

Claims

1. A numerical control expansion screen is characterized in that: the numerical control telescopic screen comprises a fixed frame, a driving mechanism, a movable frame, a guide mechanism and a display screen, wherein the movable frame is movably sleeved outside the fixed frame, the display screen is fixedly connected with the movable frame, and the driving mechanism is used for driving the movable frame to move relative to the fixed frame so as to realize the telescopic action of the display screen; the guiding mechanism comprises a guiding hanging wheel and a sliding block, the guiding hanging wheel is rotatably and fixedly connected to the upper side of the fixed frame, the upper side of the guiding hanging wheel upwards supports against the movable frame, the sliding block is fixedly connected to the lower side of the fixed frame, and the sliding block is of an Jiong-shaped structure corresponding to the lower rod piece in the telescopic direction of the movable frame.

2. The digitally controlled retractable screen of claim 1, wherein: the fixed frame is respectively provided with positioning plates upwards along the left side and the right side of the telescopic direction of the movable frame, and the guide hanging wheels are respectively and rotatably connected to the opposite sides of the two positioning plates; the upper rod piece in the telescopic direction of the movable frame is inserted between the two positioning plates, and the lower side of the upper rod piece in the telescopic direction of the movable frame is abutted against the two guide hanging wheels.

3. The digitally controlled retractable screen of claim 2, wherein: the two guide change gears arranged on the opposite sides of the two positioning plates form a group, and at least two groups of guide change gears are arranged along the telescopic direction of the movable frame.

4. The digitally controlled retractable screen of claim 1, wherein: actuating mechanism includes drive unit and promotion lead screw, drive unit fixed connection in the mount, the one end fixed connection that promotes the lead screw in the adjustable shelf, it is equipped with the screw to promote the lead screw overcoat, drive unit's output drive the screw rotates, in order to promote the adjustable shelf with the display screen is flexible.

5. The digitally controlled retractable screen of claim 4, wherein: the driving mechanism further comprises a driving belt wheel and a driven belt wheel, the driving belt wheel is fixedly connected to the output end of the driving unit, the driven belt wheel is fixedly connected to the nut, and the driving unit drives the driving belt wheel to rotate so as to drive the driven belt wheel and the nut to rotate.

6. The digitally controlled retractable screen of claim 1, wherein: the fixing frame is used for fixedly connecting an external fixing mechanism.

7. The digitally controlled retractable screen of claim 6, wherein: the numerical control telescopic screen also comprises an adjusting mechanism; the adjusting mechanism is arranged on one side of the fixed frame, which is used for fixedly connecting the external fixing mechanism, and comprises a connecting shaft fixedly connected with the fixed frame and an adjusting block rotatably connected with the connecting shaft.