Double-screen 180-degree flexible hinge linkage structure

Abstract

The utility model discloses a double-screen 180-degree flexible hinge linkage structure, and relates to the technical field of display equipment, the double-screen 180-degree flexible hinge linkage structure comprises a base plate, the left side and the right side of the base plate are rotatably connected with a plurality of connecting plates which are distributed in a rectangular mode, and the positions, away from the base plate, of the upper sides of the connecting plates are all provided with connecting holes; a linkage mechanism is rotationally connected to the upper side of the base plate, a protection mechanism is fixedly connected to the lower side of the base plate, the linkage mechanism comprises a first gear, and the front side and the rear side of the first gear are fixedly connected to the positions, close to the base plate, of a connecting plate. According to the double-screen 180-degree flexible hinge linkage structure, through meshing of the first gear, the second gear and the third gear, the connecting plates on the left side and the right side rotate synchronously, the connecting plates on the left side and the right side are kept to be in a symmetrical state, and meanwhile through arrangement of the hovering assembly, the double-screen 180-degree flexible hinge linkage structure can hover the double screens at multiple angles.

Description

TECHNICAL FIELD

[0001] The utility model relates to display equipment technical field, especially a double screen 180 degree flexible hinge linkage structure. BACKGROUND

[0002] Flexible display equipment has the advantages such as impact resistance, light weight, convenient carrying, it has the function and user experience advantage that traditional display cannot realize, therefore, flexible display technology is paid more and more attention by people, and linkage hinge is the indispensable component in flexible display device.

[0003] Chinese patent document CN211009551U discloses a symmetrical opening and closing type double-axis folding hinge structure suitable for display equipment, belonging to the technical field of flexible display equipment, comprising a hinge slot body, both ends of the hinge slot body are provided with double-axis linkage assemblies, and the same end of the hinge slot body is symmetrically assembled with two linkage plates, and the two linkage plates are linked and moved through the double-axis linkage assemblies to be symmetrically opened and closed.

[0004] The existing technology has the following problems:

[0005] The linkage plate is directly rotationally connected on the hinge slot body, and no component for linkage is arranged between the two linkage plates, which causes the lower linkage slot body to be easy to deflect, so that the bearing plate cannot form symmetry with the upper central axis surface of the hinge slot body, and it is difficult to achieve the hovering state. INVENTION CONTENTS

[0006] The utility model provides a double screen 180 degree flexible hinge linkage structure to solve the problems in the background art.

[0007] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0008] A double screen 180 degree flexible hinge linkage structure, comprising a base plate, a plurality of rectangularly distributed connecting plates are rotationally connected to the left and right sides of the base plate, a connecting hole is formed in the upper side of each of the plurality of connecting plates away from the base plate, a linkage mechanism is rotationally connected to the upper side of the base plate, and a protection mechanism is fixedly connected to the lower side of the base plate.

[0009] The linkage mechanism comprises first gears, the front and back sides of the first gears are fixedly connected at positions close to the base plate, and the first gears are distributed in a rectangular shape on the left and right sides of the base plate, a plurality of second gears are rotatably connected in a rectangular shape at positions close to the left and right sides of the upper side of the base plate, two third gears distributed in a left and right manner are meshingly connected at positions between the left and right second gears, and the third gears are distributed in a front and back manner, and the front and back sides of the plurality of second gears are fixedly connected with hovering assemblies.

[0010] Preferably, the hovering assembly comprises a first spring, two movable rings distributed in a front and back manner are movably sleeved at positions close to the front and back sides of the outer side of the first spring, a wave ring is lapped at a side away from each other of the two movable rings, and the side away from the first spring of the wave ring is fixedly connected at the middle part of the front and back sides of the second gear.

[0011] Preferably, the inner side of the movable ring is movably sleeved with a limiting sleeve, and the limiting sleeve is located at the outer side of the first spring, and the outer side of the limiting sleeve is fixedly connected at the position close to the left and right sides of the upper side of the base plate.

[0012] Preferably, a plurality of limiting blocks distributed in a rectangular shape are fixedly connected at the position close to the left and right sides of the upper side of the base plate.

[0013] Preferably, the protection mechanism comprises a mechanism sleeve, the upper side of the mechanism sleeve is fixedly connected at the lower side of the base plate, two sliding plates distributed in a left and right manner are slidingly connected at the inner side of the mechanism sleeve, and the side away from each other of the two sliding plates is fixedly connected with a flexible sheet.

[0014] Preferably, a plurality of second springs distributed in a front and back manner are fixedly connected between the side close to each other of the two sliding plates.

[0015] Preferably, a contraction opening is formed in the left and right sides of the lower wall of the mechanism sleeve.

[0016] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0017] 1. According to the cooperation of the linkage mechanism, the first gear, the second gear, the third gear, the hovering assembly, the first spring, the movable ring, the wave ring, the limiting sleeve and the limiting block, the left and right connecting plates are synchronously rotated through the meshing between the first gear, the second gear and the third gear, the left and right connecting plates are kept in a symmetrical state, and the device can be used for multi-angle hovering of the double screens by the arrangement of the hovering assembly.

[0018] 2, the utility model provides a kind of double screen 180 ° flexible hinge linkage structure, according to the cooperation of protection mechanism, mechanism cover, sliding plate, flexible sheet, second spring and contraction, by the setting of flexible sheet, the part between double screen will not be damaged by the rigid component on the structure in opening and folding state, so that it can protect screen. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the partial section three-dimensional structure schematic diagram of the utility model;

[0021] Figure 3 It is the partial section three-dimensional structure schematic diagram of the second gear part of the utility model;

[0022] Figure 4 It is the utility model Figure 2 enlarged structure schematic diagram of A part in the utility model;

[0023] Figure 5 It is the partial section three-dimensional structure schematic diagram of protection mechanism part of the utility model.

[0024] In the drawing: 1, base plate; 2, connecting plate; 3, connecting hole; 4, linkage mechanism; 41, first gear; 42, second gear; 43, third gear; 44, hovering assembly; 441, first spring; 442, movable ring; 443, wave ring; 444, limit sleeve; 45, limit block; 5, protection mechanism; 51, mechanism cover; 52, sliding plate; 53, flexible sheet; 54, second spring; 55, contraction. DETAILED DESCRIPTION

[0025] To make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0026] As Figures 1-5 Indicated, a kind of double screen 180 ° flexible hinge linkage structure, including base plate 1, the left and right sides of base plate 1 are rotatably connected with several rectangular distribution connecting plates 2, the upper side of several connecting plates 2 is all provided with connecting hole 3 away from the position of base plate 1, the upper side of base plate 1 is rotatably connected with linkage mechanism 4, the lower side of base plate 1 is fixedly connected with protection mechanism 5;

[0027] The linkage mechanism 4 comprises a first gear 41 fixedly connected on the front and back sides of the connecting plate 2 close to the base plate 1, and a plurality of the first gears 41 are distributed in a rectangular shape on the left and right sides of the base plate 1, a plurality of second gears 42 are rotatably connected to the upper side of the base plate 1 close to the left and right sides, two third gears 43 are meshingly connected between the left and right second gears 42, and a plurality of the third gears 43 are distributed in a front and back direction, and a plurality of the second gears 42 are fixedly connected with a hovering assembly 44 on the front and back sides.

[0028] It should be noted that the connecting plate 2 is used for connecting the screen through the connecting hole 3, and the first gear 41 is driven to rotate when the connecting plate 2 is rotated, and the second gear 42 is driven to rotate when the first gear 41 is rotated, and the third gear 43 is used to synchronize the rotation of the connecting plate 2 on the left and right sides.

[0029] As shown in Figure 4 , the hovering assembly 44 comprises a first spring 441, two movable rings 442 are movably sleeved on the outer side of the first spring 441 and distributed in a front and back direction, a wave ring 443 is lapped on the side of the two movable rings 442 away from each other, and the wave ring 443 is fixedly connected to the middle part of the front and back sides of the second gear 42.

[0030] It should be noted that the side of the movable ring 442 in contact with the wave ring 443 is in a wave shape, and the rotation of the wave ring 443 is driven by the rotation of the second gear 42, so that the movable ring 442 is fixed at multiple angles to the wave ring 443 under the pushing of the first spring 441, thereby achieving the purpose of double-screen hovering.

[0031] As shown in Figure 4 , the inner side of the movable ring 442 movably sleeved with a limiting sleeve 444, and the limiting sleeve 444 is located on the outer side of the first spring 441, and the outer side of the limiting sleeve 444 is fixedly connected to the upper side of the base plate 1 close to the left and right sides.

[0032] It should be noted that the outer side of the limiting sleeve 444 is a polygon, so that the limiting sleeve 444 limits the movable ring 442, so that the movable ring 442 cannot rotate relative to the limiting sleeve 444.

[0033] As shown in Figure 4 , a plurality of limiting blocks 45 are fixedly connected to the upper side of the base plate 1 close to the left and right sides.

[0034] It should be noted that the limiting blocks 45 are used to limit the connecting plate 2, so that the connecting plate 2 cannot continue to rotate after being rotated by ninety degrees.

[0035] As shown in Figure 5As shown, the protection mechanism 5 comprises a mechanism sleeve 51, the upper side of the mechanism sleeve 51 is fixedly connected to the lower side of the base plate 1, the inner side of the mechanism sleeve 51 is slidably connected with two sliding plates 52 which are distributed left and right, and the sides away from each other of the two sliding plates 52 are both fixedly connected with flexible sheets 53.

[0036] It should be noted that the positions of the flexible sheets 53 away from the sliding plates 52 are fixed on the screen, so that the flexible sheets 53 are driven by the connecting plate 2 when the connecting plate 2 rotates, and the flexible sheets 53 protect the left and right sides of the base plate 1.

[0037] As shown in the figure, Figure 5 the sides close to each other of the two sliding plates 52 are fixedly connected with a plurality of second springs 54 which are distributed front and back.

[0038] It should be noted that the second springs 54 pull the sliding plates 52, so that the sliding plates 52 can reset by themselves when the screen is opened.

[0039] As shown in the figure, Figure 5 the left and right sides of the lower wall of the mechanism sleeve 51 are provided with contraction openings 55.

[0040] It should be noted that the contraction openings 55 are used to avoid that the left and right sides of the lower wall of the mechanism sleeve 51 protrude in the state that the screen is folded, and affect the protection ability of the flexible sheets 53.

[0041] The utility model discloses a working principle: first, the connecting plate 2 is used for connecting screen by connecting hole 3, and when rotating the connecting plate 2, drives the rotation of first gear 41, and when the rotation of first gear 41 drives the rotation of second gear 42, by third gear 43, make the connecting plate 2 of left and right sides synchronous rotation, the one side of movable ring 442 movable wave ring 443 contact is wave -shaped, by the rotation of second gear 42 drives the rotation of wave ring 443, make movable ring 442 under the push of first spring 441 carry out the fixing of multiple angles to wave ring 443, reach the purpose of double screen hovering, through the meshing between first gear 41, second gear 42 and third gear 43, make the connecting plate 2 of left and right sides synchronous rotation, keep the connecting plate 2 of left and right sides symmetry state, simultaneously by the setting of hovering subassembly 44, make this device can carry out multiple angle hovering to double screen, finally, the position of flexible sheet 53 far from sliding plate 52 is fixed on screen, make the connecting plate 2 rotate and drive flexible sheet 53, and the flexible sheet 53 protects the left and right sides of base plate 1, and second spring 54 pulls sliding plate 52, make screen open, and second spring 54 pulls sliding plate 52 can reset, and the shrinkage 55 is used for avoiding in the screen folding state, the lower wall left and right sides of mechanism cover 51 protrude, influence the protection ability of flexible sheet 53, by the setting of flexible sheet 53, make the part between double screen not be damaged by the hard component on this structure under the opening and folding state, make it can protect screen.

[0042] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The skilled person in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A dual-screen 180° flexible hinge linkage structure, comprising a substrate (1), characterized in that: The left and right sides of the substrate (1) are rotatably connected to a number of rectangularly distributed connecting plates (2). The upper side of the connecting plates (2) away from the substrate (1) is provided with connecting holes (3). The upper side of the substrate (1) is rotatably connected to a linkage mechanism (4). The lower side of the substrate (1) is fixedly connected to a protective mechanism (5). The linkage mechanism (4) includes a first gear (41), the front and rear sides of the first gear (41) are fixedly connected to the connecting plate (2) near the base plate (1), and the first gear (41) is rectangularly distributed on the left and right sides of the base plate (1). The upper side of the base plate (1) is rotatably connected to the position of the second gear (42) with a rectangular distribution. The position between the two second gears (42) on the left and right is meshed with two third gears (43) distributed on the left and right, and the third gears (43) are distributed in a number in front and behind. The front and rear sides of the number of second gears (42) are all fixedly connected to the hovering components (44).

2. The dual-screen 180° flexible hinge linkage structure according to claim 1, characterized in that: The hovering assembly (44) includes a first spring (441), on the outer side of the first spring (441) near the front and rear sides, two movable rings (442) are movably sleeved, and a wave ring (443) is overlapped on the side of the two movable rings (442) that are far away from each other. The side of the wave ring (443) that is far away from the first spring (441) is fixedly connected to the middle of the front and rear sides of the second gear (42).

3. The dual-screen 180° flexible hinge linkage structure according to claim 2, characterized in that: The inner side of the movable ring (442) is movably fitted with a limiting sleeve (444), and the limiting sleeve (444) is located outside the first spring (441). The outer side of the limiting sleeve (444) is fixedly connected to the upper side of the base plate (1) near the left and right sides.

4. The dual-screen 180° flexible hinge linkage structure according to claim 1, characterized in that: Several rectangularly distributed limiting blocks (45) are fixedly connected to the upper side of the substrate (1) near the left and right sides.

5. The dual-screen 180° flexible hinge linkage structure according to claim 1, characterized in that: The protective mechanism (5) includes a mechanism sleeve (51), the upper side of which is fixedly connected to the lower side of the base plate (1), and two sliding plates (52) distributed on the left and right sides are slidably connected to the inner side of the mechanism sleeve (51). Flexible sheets (53) are fixedly connected to the sides of the two sliding plates (52) that are far apart from each other.

6. The dual-screen 180° flexible hinge linkage structure according to claim 5, characterized in that: Several second springs (54) are fixedly connected between the two sliding plates (52) on their sides that are close to each other.

7. The dual-screen 180° flexible hinge linkage structure according to claim 5, characterized in that: The lower wall of the mechanism sleeve (51) has contraction openings (55) on both the left and right sides.

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