Folding rotating shaft structure of multi-angle hovering portable double-screen display

Abstract

The utility model relates to the technical field of displayers, in particular to a multi-angle hovering portable double-screen displayer folding rotating shaft structure which comprises a bottom plate and two display screens arranged in parallel, the two display screens are both arranged on the upper portion of the bottom plate, and a containing frame for containing the display screens is fixedly installed at the upper end of the bottom plate through two supports. Moving plates are arranged on the two sides of the bottom plate respectively, rotating shafts for driving the display screen to rotate are rotationally mounted on the two moving plates, mounting cavities are formed in the two moving plates, ratchet wheels are arranged in the mounting cavities, and first pawls and second pawls for controlling rotation and positioning of the ratchet wheels are arranged on the side walls of the ratchet wheels. Through cooperation of the first pawl, the second pawl and the ratchet wheel, the rotating shaft rotates, the dip angle of the display screen is changed, multi-angle rotation of the display screen is facilitated, and through cooperation of stretching and retracting of the electric push rod, the spring extrudes and limits the fixing block, fixes the ratchet wheel and conveniently positions the angle of the display screen.

Description

TECHNICAL FIELD

[0001] The utility model relates to display technology field especially relates to a portable double -screen display folding pivot structure of multi -angle hovering. BACKGROUND

[0002] The folding pivot is an important component since the folding structure of digital equipment, supporting the two panels of the folding part of the mobile phone, and the pivot type includes the common single pivot and the complex hinge composed of multiple pivots.

[0003] The prior art display technology such as the double-screen notebook pivot structure disclosed in the publication No. CN222299994U combines the LCD modules of the main display screen and the auxiliary display screen through the built-in pivot main body, realizes double operation desktop, and the pivot has 360-degree rotation function, meets the diversified angle display requirement, and the two display screen modules can be rotated and combined to form the tablet computer mode, thereby improving the user experience, but the following problems exist in use:

[0004] Through the rotation function of the pivot, the display screen meets the diversified angle display, but the angle of the display screen cannot be fixed in multiple directions, when it is necessary to fix the display screen, manual holding is needed to fix to keep the angle of the display screen unchanged, and it is difficult to meet the multi-scene requirement. SUMMARY

[0005] The utility model aims at solving the problem that the angle of the display screen cannot be fixed in multiple directions in the prior art, and provides a portable double-screen display folding pivot structure of multi-angle hovering.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A portable double-screen display folding pivot structure of multi-angle hovering, including bottom plate and two parallelly arranged display screens, two display screens are arranged on the upper portion of the bottom plate, and the upper end of the bottom plate is fixedly installed with a placing rack for placing the display screen through two supports, the two sides of the bottom plate are respectively provided with moving plates, two moving plates are all rotatably installed with rotating shafts for driving the display screen to rotate, and the two moving plates are all provided with installation cavities, the installation cavities are provided with ratchets, the side wall of the ratchet is provided with a first pawl and a second pawl for controlling the rotation and positioning of the ratchet.

[0008] Preferably, two symmetrically arranged through grooves are formed in the two sides of the bottom plate, and electric telescopic rods are fixedly installed in the through grooves, and the end of the electric telescopic rod is fixedly connected with the moving plate.

[0009] Preferably, two mounting grooves are formed on the placing rack, two fixing buckles arranged on the same plane are fixedly installed on the outer walls of the two rotating shafts, the two fixing buckles are fixedly connected with the two display screens at the ends, and the two fixing buckles are arranged in the two mounting grooves respectively.

[0010] Preferably, the ratchet wheel is arranged in the mounting cavity and is fixedly connected with the rotating shaft.

[0011] Preferably, a servo motor is fixedly installed in the mounting cavity, a rotating plate is fixedly installed at the output end of the servo motor, and the first pawl and the second pawl are fixedly installed at the two ends of the rotating plate respectively.

[0012] Preferably, two fixing plates are fixedly installed in the mounting cavity, limit cylinders are fixedly installed on the side walls of the two fixing plates, sliding cavities are formed in the two limit cylinders, electric push rods are fixedly installed in the sliding cavities, and springs are fixedly installed at the ends of the electric push rods.

[0013] Preferably, through holes are formed in the limit cylinders and are communicated with the sliding cavities, fixed blocks are slidably arranged in the through holes, the fixed blocks are fixedly connected with the springs at the other ends, and the ends of the two fixed blocks are fixedly connected with the first pawl and the second pawl respectively.

[0014] Compared with the prior art, the portable double-screen display folding rotating shaft structure with multi-angle hovering has the following advantages:

[0015] The cooperation between the first pawl, the second pawl and the ratchet wheel enables the rotating shaft to rotate, changes the inclination angle of the display screen, facilitates the multi-angle rotation of the display screen, and enables the spring to extrude and limit the fixed blocks through the extension and retraction of the electric push rod, so that the ratchet wheel is fixed, and the angle of the display screen is positioned. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A structural schematic view of the portable double-screen display folding rotating shaft structure with multi-angle hovering is provided for the utility model;

[0017] Figure 2 A partial cutaway schematic view of the portable double-screen display folding rotating shaft structure with multi-angle hovering is provided for the utility model;

[0018] Figure 3 A rotating plate and a fixing plate schematic view of the portable double-screen display folding rotating shaft structure with multi-angle hovering is provided for the utility model;

[0019] Figure 4 An electric push rod and a fixed block schematic view of the portable double-screen display folding rotating shaft structure with multi-angle hovering is provided for the utility model.

[0020] In the figure: 1, bottom plate; 2, placing rack; 3, mounting slot; 4, electric telescopic rod; 5, moving plate; 6, mounting cavity; 7, servo motor; 8, rotating plate; 9, first pawl; 10, second pawl; 11, ratchet wheel; 12, rotating shaft; 13, fixed fastener; 14, fixed plate; 15, limiting cylinder; 16, sliding cavity; 17, electric push rod; 18, spring; 19, fixed block; 20, display screen. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] Referring to Figures 1-4 A portable double-screen display folding hinge structure for multi-angle hovering, comprising a bottom plate 1 and two parallel display screens 20, both of which are arranged on the upper part of the bottom plate 1, and a placing rack 2 for placing the display screens 20 is fixedly installed on the upper end of the bottom plate 1 through two supports, moving plates 5 are arranged on both sides of the bottom plate 1, rotating shafts 12 for driving the display screens 20 to rotate are rotatably installed on both moving plates 5, and mounting cavities 6 are formed in both moving plates 5, ratchet wheels 11 are arranged in the mounting cavities 6, and first pawls 9 and second pawls 10 for controlling the rotation and positioning of the ratchet wheels 11 are arranged on the side walls of the ratchet wheels 11.

[0023] Two symmetrically arranged through slots are formed in both sides of the bottom plate 1, and electric telescopic rods 4 are fixedly installed in the through slots, and the end portions of the electric telescopic rods 4 are fixedly connected with the moving plates 5, when it is needed to change the distance between the two display screens 20, the electric telescopic rods 4 are extended or retracted to push the moving plates 5 at one end of the electric telescopic rods 4, so that the distance between the moving plates 5 and the bottom plate 1 is increased.

[0024] Two mounting slots 3 are formed in the placing rack 2, fixed fasteners 13 arranged on the same plane are fixedly installed on the outer walls of the two rotating shafts 12, the end portions of the two fixed fasteners 13 are fixedly connected with the two display screens 20, and the two fixed fasteners 13 are arranged in the two mounting slots 3 respectively.

[0025] The ratchet wheels 11 are rotatably arranged in the mounting cavities 6, and the ratchet wheels 11 are fixedly connected with the rotating shafts 12.

[0026] A servo motor 7 is fixedly installed in the mounting cavity 6, a rotating plate 8 is fixedly installed at the output end of the servo motor 7, and the first pawl 9 and the second pawl 10 are fixedly installed at both ends of the rotating plate 8 respectively.

[0027] Two fixed plates 14 are fixedly installed in the mounting cavity 6, the side walls of the two fixed plates 14 are fixedly installed with limiting cylinders 15, sliding cavities 16 are formed in the two limiting cylinders 15, electric push rods 17 are fixedly installed in the sliding cavities 16, springs 18 are fixedly installed at the end portions of the electric push rods 17, through the expansion and contraction of the springs 18, the first pawl 9 and the second pawl 10 are always attached to the outer wall of the ratchet wheel 11.

[0028] The limiting cylinder 15 is provided with a through hole in communication with the sliding cavity 16, and the through hole is slidably provided with a fixed block 19, the fixed block 19 is fixedly connected with the other end of the spring 18, and the end portions of the two fixed blocks 19 are fixedly connected with the first pawl 9 and the second pawl 10 respectively.

[0029] The utility model can be described as follows:

[0030] In use, by starting the servo motor 7, the servo motor 7 output end drives the rotating plate 8 to repeatedly deflect back and forth, when the rotating plate 8 rotates clockwise, the rotating plate 8 pulls the first pawl 9, and the first pawl 9 pulls the ratchet wheel 11 to rotate clockwise, and at the same time, the rotating plate 8 pushes the second pawl 10 to slide counterclockwise around the ratchet wheel 11, avoiding affecting the rotation of the ratchet wheel 11;

[0031] When the rotating plate 8 rotates counterclockwise, the rotating plate 8 pulls the second pawl 10, the second pawl 10 pulls the ratchet wheel 11 to rotate clockwise, the ratchet wheel 11 drives the rotating shaft 12 to rotate synchronously, the rotating shaft 12 drives the fixed fastener 13, the fixed fastener 13 drives the display screen 20 to rotate synchronously, and the inclination of the display screen 20 is changed;

[0032] Through the expansion and contraction of the electric push rod 17, the spring 18 extrudes the fixed block 19, avoiding the movement of the fixed block 19, fixing the ratchet wheel 11, and fixing the display screen 20.

[0033] The above is only the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A multi-angle hovering portable dual-screen display folding hinge structure comprising a bottom plate and two parallel arranged display screens, characterized in that, Two display screens are arranged on the upper part of the bottom plate, and a placing rack for placing the display screens is fixedly installed on the upper end of the bottom plate through two supports, two moving plates are arranged on the two sides of the bottom plate, two rotating shafts for driving the display screens to rotate are rotatably installed on the two moving plates, and installation cavities are formed in the two moving plates, a ratchet wheel is arranged in each installation cavity, and first and second pawls for controlling the rotation and positioning of the ratchet wheel are arranged on the side wall of the ratchet wheel.

2. A multi-angle hovering portable dual screen display folding hinge structure according to claim 1, wherein, Two symmetrically arranged through grooves are formed in the two sides of the bottom plate, and an electric telescopic rod is fixedly installed in each through groove, and the end of the electric telescopic rod is fixedly connected with the moving plate.

3. A multi-angle hovering portable dual screen display folding hinge structure according to claim 2, wherein, Two installation grooves are formed in the placing rack, two fixed buckles arranged on the same plane are fixedly installed on the outer wall of the two rotating shafts, the end of each fixed buckle is fixedly connected with a display screen, and the two fixed buckles are arranged in the two installation grooves, respectively.

4. The multi-angle hovering portable dual-screen display folding hinge structure according to claim 3, wherein, The ratchet wheel is rotatably arranged in the installation cavity, and the ratchet wheel is fixedly connected with the rotating shaft.

5. A multi-angle hovering portable dual screen display folding hinge structure according to claim 4, wherein, A servo motor is fixedly installed in the installation cavity, a rotating plate is fixedly installed on the output end of the servo motor, and the first and second pawls are fixedly installed on the two ends of the rotating plate, respectively.

6. A multi-angle hovering portable dual screen display folding hinge structure according to claim 5, wherein, Two fixed plates are fixedly installed in the installation cavity, a limiting cylinder is fixedly installed on the side wall of each fixed plate, a sliding cavity is formed in each limiting cylinder, an electric push rod is fixedly installed in the sliding cavity, and a spring is fixedly installed on the end of the electric push rod.

7. The multi-angle hovering portable dual-screen display folding hinge structure according to claim 6, wherein, A through hole is formed in the limiting cylinder and communicates with the sliding cavity, a fixed block is slidably arranged in the through hole, the fixed block is fixedly connected with the other end of the spring, and the end of each fixed block is fixedly connected with the first or second pawl.

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