CN107269677B - Hinge mechanism of folding display screen - Google Patents
Hinge mechanism of folding display screen Download PDFInfo
- Publication number
- CN107269677B CN107269677B CN201710548254.0A CN201710548254A CN107269677B CN 107269677 B CN107269677 B CN 107269677B CN 201710548254 A CN201710548254 A CN 201710548254A CN 107269677 B CN107269677 B CN 107269677B
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- Prior art keywords
- hole
- shaft
- slide rail
- sliding block
- sliding
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/10—Arrangements for locking
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2370/00—Apparatus relating to physics, e.g. instruments
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Displays For Variable Information Using Movable Means (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a hinge mechanism of a folding display screen, which comprises two adjacent display screens, side frames and hinge members arranged at the adjacent positions of the two side frames, wherein the hinge members comprise sliding rail members and sliding block members. The invention can smoothly realize 180-degree turnover overlapping of two adjacent display screens and unfolding of the two overlapped display screens.
Description
Technical Field
The invention relates to a connecting mechanism between two display screens, in particular to a hinge mechanism of two adjacent display screens in a folding display screen.
Background
The folding display screen is a product for solving the contradiction between the external dimension of the display screen and the portability, and is formed by connecting two or more than two single display screens, wherein the connection between the two adjacent display screens is a hinge connection so as to realize 180-degree turnover overlapping of the single display screens. Because the display screen is a product with delicate work, the common mechanical hinge device is difficult to meet the hinge requirement, so that the display screen is not easy to fold in place, uneven after being unfolded and inconvenient to fold and unfold.
In the "folding LED display screen" of patent No. 201320047455.X, a hinge structure of a display screen is disclosed, which includes two adjacent splicing links (i.e., frames of the display screen) respectively fixed at edges of two adjacent display screens, and a middle link between the two adjacent splicing links, wherein two ends of the middle link are respectively hinged with the two splicing links through hinge shafts, thereby realizing hinge between the two adjacent display screens. According to the hinge structure, the distance between the two hinge shafts is fixed, so that interference can be generated between two adjacent display screens in the 180-degree turnover process of the display screens, and 180-degree turnover overlapping of the two display screens cannot be realized.
Disclosure of Invention
The invention aims to provide a hinge mechanism of a folding display screen, so as to smoothly realize 180-degree turnover overlapping of two adjacent display screens and unfolding of the two overlapped display screens.
The hinge mechanism of the folding display screen comprises two adjacent display screens, frames arranged at the edges of the display screens and hinge members arranged at the adjacent positions of the two frames, wherein a notch is formed at the adjacent positions of the two frames, each frame at the bottom surface of the notch is provided with a shaft hole, the shaft holes are step holes with small hole diameters at the inner end and the outer end and large hole diameters at the middle, the inner end holes are polygonal holes, and two locking holes which form an included angle of 90 degrees with the axis of the shaft hole at the bottom surface as the center are formed at the bottom surface of one frame of the notch.
The hinge component comprises a slide rail component and a slide block component, the slide rail component comprises a slide rail and a slide rail shaft, the slide rail is rectangular, a slide groove is longitudinally formed in the slide rail, a limiting pin is arranged on the side face of the slide rail, a locking pin is arranged on the bottom face of the slide rail, one end of the slide rail shaft is vertically fixed on the bottom face of one end of the slide rail, an avoidance groove is formed in a port of the bottom face of the other end of the slide rail, and a polygonal locking block is arranged at the other end of the slide rail shaft; the sliding block component comprises a sliding block and a sliding block shaft, one end of the sliding block shaft is vertically fixed at one end of the sliding block, the other end of the sliding block shaft is a polygonal locking block, a limit groove is formed in the side face of the sliding block along the longitudinal direction, the sliding block is located in a sliding groove of the sliding rail and is in sliding fit with the sliding rail, the sliding block shaft is located in the avoidance groove, and the inner end of the limit pin is located in the limit groove.
The sliding rail shaft and the sliding block shaft are respectively positioned in the two shaft holes and are in sliding fit with the frames through outer end holes of the shaft holes, the polygonal locking block is positioned in an inner end hole of the shaft holes and is in clearance fit with the inner end hole, the locking pin is positioned in one locking hole and is in clearance fit with the locking hole, the sliding rail is positioned in a notch at the adjacent position of the two frames, and the distance between the step end face formed by the outer end hole of the shaft hole and the middle hole and the polygonal locking block is larger than the depth of the notch.
The working process of the folding display screen hinging mechanism is as follows:
when the display screen in the unfolding state needs to be folded, the hinge members are pulled out of the gaps at the adjacent positions of the two frames (the polygonal locking block is blocked by a step formed by the outer end hole and the middle hole of the shaft hole), and the bottom surface of the sliding rail is higher than the top surface of the frame. Then the two display screens are rotated relatively, in the rotating process, the sliding block and the sliding rail are moved relatively, and the sliding block slides out of the sliding rail, so that one display screen can complete 90-degree rotation; when the display screen continues to rotate, the sliding block and the sliding rail continue to generate relative movement, so that the sliding block is retracted into the sliding rail, the sliding rail is pushed until the two display screens are overlapped, the hinge component is returned into the notch at the adjacent positions of the two frames, at the moment, the polygonal locking block at the shaft end of the sliding rail and the polygonal locking block at the shaft end of the sliding block enter the polygonal inner end hole of the shaft hole, meanwhile, the locking pin at the bottom surface of the sliding rail enters one locking hole at the bottom surface of the notch, and then the relative movement between the two display screens is locked, and cannot rotate relatively any more and cannot be separated.
When two overlapped display screens need to be unfolded, the hinge members are pulled out of the gaps at the adjacent positions of the two frames in place, and at the moment, the bottom surface of the sliding rail is higher than the top surface of the frame. Then the two display screens are rotated relatively, in the rotating process, the sliding block and the sliding rail are moved relatively, and the sliding block slides out of the sliding rail, so that one display screen can complete 90-degree rotation; when the display screen continues to rotate, the sliding block and the sliding rail continue to generate relative movement, so that the sliding block is retracted into the sliding rail, the sliding rail is pushed until the two display screens are positioned on the same plane, the hinge component is returned into the notch at the adjacent positions of the two frames, at the moment, the polygonal locking block at the shaft end of the sliding rail and the polygonal locking block at the shaft end of the sliding block enter the polygonal inner end hole of the shaft hole, and meanwhile, the locking pin at the bottom surface of the sliding rail enters the other locking hole at the bottom surface of the notch, so that the relative movement between the two display screens is locked, and the two display screens cannot rotate relatively and cannot be separated.
The invention has the advantages that the structure can smoothly realize 180-degree turnover overlapping of two adjacent display screens and unfolding of the two overlapped display screens, the folding and unfolding operations of the display screens are convenient, the display screens are flat after being unfolded and folded in place, and the display screens can be locked in a folding or unfolding state, so that the influence of random deformation of the display screens in the folding or unfolding state on the use and carrying of the display screens is avoided.
Drawings
FIG. 1 is a front view of a folding display screen having a hinge mechanism according to the present invention in an unfolded state;
FIG. 2 is an enlarged view of M in FIG. 1;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic view of the display screen of FIG. 2 with the hinge members removed;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a front view of the hinge member;
FIG. 7 is a bottom view of FIG. 6;
FIG. 8 is a front view of the slide rail member;
FIG. 9 is a bottom view of FIG. 8;
FIG. 10 is a front view of the slider member;
fig. 11 is a bottom view of fig. 10.
Detailed Description
In order to further explain the technical scheme of the invention, the invention is explained in detail below with reference to the attached drawings.
As shown in fig. 1 to 3, the hinge mechanism of the folding display screen includes two adjacent display screens 2, a bezel 1 installed at the edge of the display screens 2, and a hinge member 3 installed adjacent to the two bezels 1. As shown in fig. 4 and 5, a notch 9 is formed at the adjacent position of the two frames 1, each frame 1 at the bottom surface of the notch 9 is provided with a shaft hole 8, the shaft hole 8 is a step hole, the step hole is composed of inner and outer end holes 13 and 11 positioned at two ends and a middle hole 12 positioned between the inner and outer end holes 13 and 11, and the aperture of the outer end hole 11 is smaller than that of the middle hole 12. The inner end hole 13 is a quadrilateral hole and is smaller than the aperture of the middle hole 12, the bottom surface of the notch 9 of one frame 1 is also provided with two locking holes 10, and the two locking holes 10 form an included angle of 90 degrees with the axis of the shaft hole 8 on the bottom surface as the center.
As shown in fig. 6 to 11, the hinge member 3 includes a sliding rail member and a sliding block member, the sliding rail member includes a sliding rail 5 and a sliding rail shaft 4, the sliding rail 5 is rectangular, a rectangular sliding groove 20 is longitudinally formed in the sliding rail 5, a limiting pin 16 is disposed on a side surface of the sliding rail, a locking pin 18 is disposed on a bottom surface of the sliding rail, one end of the sliding rail shaft 4 is vertically fixed on a bottom surface of one end of the sliding rail 5, an avoidance groove 17 is formed at a bottom surface port of the other end of the sliding rail 5, and a quadrilateral locking block 19 is formed at the other end of the sliding rail shaft 4. The slider component is including being rectangular body's slider 6 and slider axle 7, and slider axle 7 one end vertical fixation is in the one end of slider 6, and the other end of slider axle 7 is quadrilateral locking piece 19, and limit groove 15 has been seted up along vertical to the side of slider 6, and slider 6 is located slide rail 5's spout 20 and slide rail 5 sliding fit, and slider axle 7 is located slide rail 5 bottom surface port department dodge groove 17, when display screen 2 is in the state of expanding or folding up, can guarantee that slider 6 is whole to be hidden in slide rail 5. The inner end of the limit pin 16 on the side surface of the slide rail 5 is positioned in the limit groove 15 on the side surface of the slide block 6, so that the slide rail 5 and the slide block 6 can be prevented from being separated in the process of unfolding or folding the display screen 2.
As shown in fig. 2 and 3, the slide rail shaft 4 and the slide block shaft 7 are respectively located in the two shaft holes 8 and slidably matched with the frame 1 through the outer end hole 11 of the shaft hole 8, and the locking block 19 is located in the inner end hole 13 of the shaft hole 8 and is in clearance fit with the inner end hole 13, and because the locking block 19 and the inner end hole 13 are both in quadrilateral structures, when the locking block 19 is located in the inner end hole 13, the slide rail shaft 4 and the slide block shaft 7 cannot rotate around the axes thereof, so that the two display screens 2 are locked in the relative rotation direction, and the two display screens 2 cannot rotate relatively. The locking pin 18 is located in one of the locking holes 10 and is in clearance fit with the locking hole 10, when the display screens 2 are in an unfolded or folded state, the two display screens 2 are locked in relative linear motion and cannot be separated. The sliding rail 5 is positioned in the notch 9 at the adjacent position of the two frames 1, the outline dimension of the sliding rail 5 is that the top surface and the two side surfaces of the sliding rail 5 are respectively flush with the top surface and the two side surfaces of the frames 1, and a small gap is reserved between the two ends of the sliding rail 5 and the frames 1. The distance between the step end face 14 formed by the outer end hole 11 and the middle hole 12 of the shaft hole 8 and the quadrilateral locking block 19 is larger than the depth of the notch 9, and after the hinge member 3 is pulled out of the notch 9, the bottom face of the sliding rail 5 can be ensured to be higher than the top face of the frame 1, so that unlocking of relative movement between two display screens 2 is realized, and the display screens 2 are unfolded and folded.
When the display screen in the unfolded state needs to be folded, the hinge members 3 are pulled out of the notches 9 at the adjacent positions of the two frames 1 to be in place (the quadrilateral locking blocks 19 are blocked by steps formed by the outer end holes 11 and the middle holes 12 of the shaft holes 8), and at the moment, the bottom surface of the sliding rail 5 is higher than the top surface of the frames 1. Then, the two display screens 2 are rotated relatively, in the rotating process, the sliding block 6 and the sliding rail 5 are moved relatively, and the sliding block 6 slides out of the sliding rail 5, so that one display screen 2 is rotated by 90 degrees; when the display screen 2 continues to rotate, the sliding block 6 and the sliding rail 5 continue to generate relative movement, so that the sliding block 6 is retracted into the sliding rail 5, until the two display screens 2 are overlapped, the sliding rail 5 is pushed, the hinge member 3 returns into the notch 9 at the adjacent position of the two frames 1, at the moment, the quadrilateral locking block 19 at the end of the sliding rail shaft 4 and the quadrilateral locking block 19 at the end of the sliding block shaft 7 enter the quadrilateral inner end hole 13 of the shaft hole 8, meanwhile, the locking pin 18 at the bottom surface of the sliding rail 5 enters one of the locking holes 10 at the bottom surface of the notch 9, and then the relative movement between the two display screens 2 is locked, and the two display screens cannot rotate relatively any more and cannot be separated.
When two overlapped display screens need to be unfolded, the hinge members 3 are pulled out of the notches 9 at the adjacent positions of the two frames 1 in place, and at the moment, the bottom surfaces of the sliding rails 5 are higher than the top surfaces of the frames 1. Then, the two display screens 2 are rotated relatively, in the rotating process, the sliding block 6 and the sliding rail 5 are moved relatively, and the sliding block 6 slides out of the sliding rail 5, so that one display screen 2 is rotated by 90 degrees; when the display screen 2 continues to rotate, the sliding block 6 and the sliding rail 5 continue to generate relative movement, so that the sliding block 6 is retracted into the sliding rail 5, until the two display screens 2 are positioned on the same plane, the sliding rail 5 is pushed, the hinge member 3 returns into the notch 9 at the adjacent position of the two frames 1, at the moment, the quadrilateral locking block 19 at the end of the sliding rail shaft 4 and the quadrilateral locking block 19 at the end of the sliding rail shaft 7 enter the quadrilateral inner end hole 13 of the shaft hole 8, meanwhile, the locking pin 18 at the bottom surface of the sliding rail 5 enters the other locking hole 10 at the bottom surface of the notch 9, and then the relative movement between the two display screens 2 is locked, cannot rotate relatively any more, and cannot be separated.
Claims (1)
1. The utility model provides a hinge mechanism of folding display screen, includes two adjacent display screen (2), installs frame (1) at the display screen border and installs hinge member (3) in two adjacent departments of frame (1), its characterized in that: a gap (9) is formed at the adjacent position of the two frames (1), a shaft hole (8) is formed on each frame (1) at the bottom surface of the gap (9), the shaft hole (8) is a stepped hole with small hole diameters of an inner end hole (13) and an outer end hole (11), the hole diameter of a middle hole (12) is large, the inner end hole (13) is a polygonal hole, and two locking holes (10) which form an included angle of 90 degrees with the axis of the shaft hole on the bottom surface as the center are formed at the bottom surface of the gap (9) of one frame (1);
the hinge component (3) comprises a slide rail component and a slide block component, the slide rail component comprises a slide rail (5) and a slide rail shaft (4), the slide rail (5) is rectangular, a slide groove (20) is longitudinally formed in the slide rail component, a limiting pin (16) is arranged on the side face of the slide rail component, a locking pin (18) is arranged on the bottom face of the slide rail component, one end of the slide rail shaft (4) is vertically fixed on the bottom face of one end of the slide rail (5), an avoidance groove (17) is formed in a port of the bottom face of the other end of the slide rail (5), and the other end of the slide rail shaft (4) is a polygonal locking block (19); the sliding block component comprises a sliding block (6) and a sliding block shaft (7), one end of the sliding block shaft (7) is vertically fixed at one end of the sliding block (6), the other end of the sliding block shaft (7) is a polygonal locking block (19), a limit groove (15) is formed in the side surface of the sliding block (6) along the longitudinal direction, the sliding block (6) is located in a sliding groove (20) of the sliding rail (5) and is in sliding fit with the sliding rail (5), the sliding block shaft (7) is located in the avoidance groove (17), and the inner end of the limit pin (16) is located in the limit groove (15);
slide rail axle (4) and slider axle (7) are located respectively in two shaft hole (8) through the outer end hole (11) and frame (1) sliding fit of shaft hole (8), polygon locking piece (19) be arranged in inner end hole (13) and this inner end hole (13) clearance fit of shaft hole (8), locking pin (18) be arranged in one of them locking hole (10) with this locking hole (10) clearance fit, slide rail (5) are arranged in breach (9) of two adjacent departments of frame, and the distance between step terminal surface (14) and polygon locking piece (19) that outer end hole (11) and intermediate hole (12) formed of shaft hole (8) is greater than the degree of depth of this breach (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710548254.0A CN107269677B (en) | 2017-07-06 | 2017-07-06 | Hinge mechanism of folding display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710548254.0A CN107269677B (en) | 2017-07-06 | 2017-07-06 | Hinge mechanism of folding display screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107269677A CN107269677A (en) | 2017-10-20 |
| CN107269677B true CN107269677B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710548254.0A Active CN107269677B (en) | 2017-07-06 | 2017-07-06 | Hinge mechanism of folding display screen |
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| Country | Link |
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| CN (1) | CN107269677B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111402727B (en) * | 2020-03-12 | 2021-03-23 | 武汉华星光电半导体显示技术有限公司 | Foldable display module |
| CN113808488B (en) * | 2021-09-22 | 2023-05-16 | 上海新建设工程咨询有限公司 | Progress analysis device and method for project management through BIM model |
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| CN206972752U (en) * | 2017-07-06 | 2018-02-06 | 王宁光 | A kind of linkwork of foldable display screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP4386725A2 (en) * | 2011-07-11 | 2024-06-19 | Samsung Electronics Co., Ltd. | Flexible display with guided plates to support the display in the open position |
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| CN1419364A (en) * | 2001-11-13 | 2003-05-21 | 日本电气株式会社 | Portable terminal equipment capable of displaying information in closed state |
| JP2011119830A (en) * | 2009-12-01 | 2011-06-16 | Sharp Corp | Foldable mobile terminal |
| CN102640074A (en) * | 2009-12-01 | 2012-08-15 | 夏普株式会社 | Folding portable terminal |
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| Publication number | Publication date |
|---|---|
| CN107269677A (en) | 2017-10-20 |
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