CN215058854U

CN215058854U - Thin hinge

Info

Publication number: CN215058854U
Application number: CN202121354032.3U
Authority: CN
Inventors: 江永璋; 赖南海; 张国庆
Original assignee: Kunshan Wanhe Precision Electron Co ltd
Current assignee: Kunshan Wanhe Precision Electron Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-07
Anticipated expiration: 2031-06-18

Abstract

The invention discloses a thin hinge, belonging to the technical field of hinges, comprising a rotating part and a torsion providing part, wherein the rotating part comprises a base, two moving parts and two driving parts, a track allowing the moving parts to move along an arc-shaped track is arranged in the base, one end of each moving part is arranged in the track to generate opening and closing actions in the process of moving along the arc-shaped track, the other end of each moving part is connected with one end of each driving part, the torsion providing part comprises a support, a first rotating shaft and a second rotating shaft which are arranged on the support in parallel, and an idle gear positioned between the first rotating shaft and the second rotating shaft, the support is assembled with the base, the outer walls of the first rotating shaft and the second rotating shaft are both provided with gears meshed with the idle gear, the invention adopts a staggered shaft oblique gear structure by the gears of the two rotating shafts and the idle gear, and can realize the structure of the integral component without changing the design framework of the integral component, the invention can provide the torque force needed by rotation through the meshing between the gear structures.

Description

Thin hinge

Technical Field

The invention relates to the technical field of hinges, in particular to a thin hinge.

Background

With the development of market trend, the screen of handheld electronic devices such as smart phones and tablet computers is continuously improved toward high resolution and large size, so that consumers can obtain better viewing effect and controllability no matter in movie appreciation or hand-trip entertainment, and the portable electronic device is not cumbersome to carry due to a huge body. Therefore, the flexible screen is gradually paid more attention by mobile phone manufacturers, and is transferred from the field of home televisions and computer screens to the field of smart phones, tablet computers and the like, so that the folding smart phones and tablet computers are developed to achieve the effects of large-size screens and convenience in carrying. In addition to the requirement of the flexible screen to have high resolution and to be able to withstand repeated folding and unfolding, the main body of the smart product carrying the flexible screen and the hinge connecting the main body also play an important role.

Generally, in order to increase the torsion force when the screen is folded, a structural component generating the torsion force is mainly disposed in the hinge structure, for example, a torsion component is disposed on a rotating shaft of the hinge to provide the torsion force required when the screen is folded, however, if the structural component generating the torsion force is disposed on the hinge, the overall design difficulty and the assembly complexity of the hinge will be greatly increased, and therefore, how to create the hinge suitable for folding the flexible screen and having the overall component assembly and simple design is an issue to be solved in the related industries.

Disclosure of Invention

The present invention is directed to a thin hinge, which solves the problem that a set of members generating torsion is required to be installed in the structure of the conventional hinge proposed in the above-mentioned background art, otherwise the hinge cannot generate torsion when it is actuated.

In order to achieve the purpose, the invention provides the following technical scheme: the thin hinge comprises a rotating part and a torsion providing part, wherein the rotating part comprises a base, two moving parts and two driving parts, a track allowing the moving parts to move along an arc-shaped track is arranged in the base, one end of each moving part is arranged in the track to generate opening and closing actions in the process of moving along the arc-shaped track, the other end of each moving part is connected with one end of each driving part, the torsion providing part comprises a support, a first rotating shaft and a second rotating shaft which are arranged on the support in parallel, and an idle gear positioned between the first rotating shaft and the second rotating shaft, the support is connected with the base, the outer walls of the first rotating shaft and the second rotating shaft are both provided with gears meshed with the idle gears, the gears and the idle gears are of a staggered shaft oblique gear structure, a positioning hole is formed in the idle gear, a fixing hole is formed in the support, a fixing part is inserted in the positioning hole, and the fixing end of the fixing part is fixed in the fixing hole, one end of the first rotating shaft and one end of the second rotating shaft are respectively connected with the two driving pieces through connecting pieces.

Preferably, the support comprises a first plate and a second plate which is perpendicular to the first plate and is used for bearing the idle gear, a shaft mounting hole capable of accommodating the first rotating shaft and the second rotating shaft is formed in the first plate, and the first rotating shaft and the second rotating shaft are inserted into the shaft mounting hole.

Preferably, the other ends of the first rotating shaft and the second rotating shaft penetrate through the shaft mounting hole and extend outwards, and an auxiliary plate is sleeved on the outer wall of the extending end.

Preferably, the outer walls of the extending ends of the first rotating shaft and the second rotating shaft are further provided with a torsion spring set, the outer walls of the end portions of the extending ends of the first rotating shaft and the second rotating shaft are in threaded connection with fixing caps, and two ends of the torsion spring set are respectively connected with the fixing caps and the auxiliary plate.

Preferably, the second plate is provided with a first assembling block, and one side of the base, which is close to the bracket, is provided with a second assembling block which is matched and assembled with the first assembling block.

Preferably, be equipped with the arc rib on the track inner wall, the moving part is located one of track and serves and offer the arc groove that can hold the arc rib.

Preferably, the rail is provided with an open end, and the open end is positioned at the side of the base.

Preferably, the driving member is provided with a sliding rail portion, and one end of the connecting member is slidably connected to the sliding rail portion and can perform reciprocating sliding motion relative to the sliding rail portion.

Compared with the prior art, the invention has the beneficial effects that:

the gear and the idle gear of the two rotating shafts are of staggered shaft oblique gear structures, so that the torque required by rotation can be provided by meshing the gear structures without changing the design framework of an integral component.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the components of the present invention;

FIG. 3 is an exploded view of the fastener of the present invention;

FIG. 4 is a schematic top view of the present invention.

In the figure: 101 rotating part, 102 base, 103 moving part, 104 track, 105 driving part, 106 torsion providing part, 107 bracket, 108 rotating shaft I, 109 rotating shaft II, 110 idle gear, 111 connecting piece, 112 gear, 113 torsion spring set, 114 auxiliary plate, 115 positioning hole, 116 first plate, 117 second plate, 118 shaft mounting hole, 119 fixing part, 120 fixing hole, 121 first assembling block, 122 second assembling block, 123 arc rib, 124 arc groove, 125 opening end, 126 slide rail part.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-4, the present invention provides a technical solution: the thinned hinge comprises a rotating part 101 and a torque force providing part 106, wherein the rotating part 101 comprises a base 102, two movable parts 103 and two driving parts 105, a track 104 allowing the movable parts 103 to move along an arc-shaped track is arranged in the base 102, one end of each movable part 103 is arranged in the track 104 and generates opening and closing actions in the process of moving along the arc-shaped track, the other end of each movable part 103 is connected with one end of each driving part 105, the torque force providing part 106 comprises a support 107, a first rotating shaft 108 and a second rotating shaft 109 which are arranged on the support 107 in parallel, and an idle gear 110 positioned between the first rotating shaft 108 and the second rotating shaft 109, the torque force providing part 106 can generate torque force when the rotating part 101 is actuated, the rotating part 101 can be actuated more smoothly by providing the generated torque force, the support 107 is assembled with the base 102, the outer walls of the first rotating shaft 108 and the second rotating shaft 109 are both provided with gears 112 meshed with the idle gear 110, the gear 112 and the idle gear 110 are of a crossed-axis helical gear structure, the idle gear 110 is provided with a positioning hole 115 therein, the bracket 107 is provided with a fixing hole 120, a fixing member 119 is inserted into the positioning hole 115, and a fixing end of the fixing member 119 is fixed in the fixing hole 120, one end of the first rotating shaft 108 and one end of the second rotating shaft 109 are respectively connected with the two driving members 105 through a connecting member 111, when the driving members 105 operate, the first rotating shaft 108 and the second rotating shaft 109 can drive the rotating portion 101 and the torque providing portion 106 to operate simultaneously through the moving member 103 and the connecting member 111, and when the first rotating shaft 108 and the second rotating shaft 109 rotate by meshing the gear 112 with the idle gear 110, the torque providing portion 106 can generate torque through the helical gear to provide the torque required by the rotating portion 101.

The bracket 107 comprises a first plate 116 and a second plate 117 which is perpendicular to the first plate 116 and is used for accommodating the idle gear, a shaft mounting hole 118 capable of accommodating the first rotating shaft 108 and the second rotating shaft 109 is formed in the first plate 116, and the first rotating shaft 108 and the second rotating shaft 109 are inserted into the shaft mounting hole 118.

The other ends of the first rotating shaft 108 and the second rotating shaft 109 both penetrate through the shaft mounting hole 118 and extend outwards, an auxiliary plate 114 is sleeved on the outer wall of the extending end, and the auxiliary plate 114 is used for increasing the stability of the first rotating shaft 108 and the second rotating shaft 109 during working.

The outer walls of the extending ends of the first rotating shaft 108 and the second rotating shaft 109 are also provided with a torsion spring set 113, the outer walls of the end portions of the extending ends of the first rotating shaft 108 and the second rotating shaft 109 are screwed with fixing caps, two ends of the torsion spring set 113 are respectively connected with the fixing caps and the auxiliary plate 114, and the torsion spring set 113 is used for providing better torsion generation for the thinned hinge.

The second plate 117 is provided with a first assembling block 121, and one side of the base 102 close to the bracket 107 is provided with a second assembling block 122 which is matched and assembled with the first assembling block 121.

Be equipped with arc rib 123 on the track 104 inner wall, the moving part 103 is located one of track 104 and is served and seted up the arc groove 124 that can hold arc rib 123, has played direction, spacing effect, prevents that moving part 103 from producing the deviation when carrying out the arc rotation in track 104.

The track 104 is provided with an open end 125, and the open end 125 is located at the side of the base 102.

The driver 105 is provided with a sliding rail portion 126, and one end of the connecting member 111 is slidably connected to the sliding rail portion 126 and can perform reciprocating sliding motion relative to the sliding rail portion 126.

The working principle is as follows: referring to fig. 1 to 4, when one of the two driving members 105 is forced, the moving member 103 and the connecting member 111 located on the same side as the forced driving member 105 are driven by the driving member 105 to rotate simultaneously, so that the moving member 103 can move along an arc track relative to the track 104 of the base 102, the connecting member 111 can link, for example, the first rotating shaft 108 to rotate, when the first rotating shaft 108 is driven by the connecting member 111 to rotate, the first rotating shaft 108 can drive the idle gear 110 to rotate through the gear 112, so that the idle gear 110 drives the second rotating shaft 109 to rotate, the two driving members 105 can open and close under the linkage of the rotating portion 101, and when the two driving members 105 are driven by the forced driving member 103 to rotate, because the idle gear 110 provided on the torsion providing portion 106, the first rotating shaft 108 and the second rotating shaft 109 are of a staggered-shaft oblique gear structure, when the first rotating shaft 108 and the second rotating shaft 109 are meshed with the gear 112 and the idle gear 110, in summary, the torque providing portion 106 can provide the torque required by the rotating portion 101, and the torsion spring set 113 can provide better torque generation for the thin hinge without changing the original hinge structure design.

While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A thinned hinge includes a rotating portion (101) and a torsion providing portion (106), and is characterized in that: the rotating part (101) comprises a base (102), two moving parts (103) and two driving parts (105), a track (104) allowing the moving parts (103) to perform arc-shaped track displacement is arranged in the base (102), one end of each moving part (103) is arranged in the track (104) to generate opening and closing actions in the arc-shaped track displacement process, the other end of each moving part (103) is connected with one end of each driving part (105), the torsion providing part (106) comprises a support (107), a first rotating shaft (108) and a second rotating shaft (109) which are arranged on the support (107) in parallel, and an idle gear (110) positioned between the first rotating shaft (108) and the second rotating shaft (109), the support (107) is assembled with the base (102), the outer walls of the first rotating shaft (108) and the second rotating shaft (109) are both provided with gears (112) meshed with the idle gear (110), and the gears (112) and the idle gears (110) are in a staggered shaft oblique gear structure, a positioning hole (115) is formed in the idler gear (110), a fixing hole (120) is formed in the support (107), a fixing piece (119) is inserted into the positioning hole (115), the fixing end of the fixing piece (119) is fixed in the fixing hole (120), and one end of the first rotating shaft (108) and one end of the second rotating shaft (109) are respectively connected with the two driving pieces (105) through connecting pieces (111).

2. The thinned hinge according to claim 1, wherein: the support (107) comprises a first plate (116) and a second plate (117) which is perpendicular to the first plate (116) and is used for bearing the idle gear, a shaft mounting hole (118) capable of accommodating the first rotating shaft (108) and the second rotating shaft (109) is formed in the first plate (116), and the first rotating shaft (108) and the second rotating shaft (109) are inserted into the shaft mounting hole (118).

3. The thinned hinge according to claim 2, wherein: the other ends of the first rotating shaft (108) and the second rotating shaft (109) penetrate through the shaft mounting hole (118) to extend outwards, and an auxiliary plate (114) is sleeved on the outer wall of the extending end.

4. The thinned hinge according to claim 3, wherein: the outer walls of the extending ends of the first rotating shaft (108) and the second rotating shaft (109) are also provided with torsion spring sets (113), the outer walls of the end parts of the extending ends of the first rotating shaft (108) and the second rotating shaft (109) are in threaded connection with fixing caps, and two ends of each torsion spring set (113) are respectively connected with the fixing cap and the auxiliary plate (114).

5. The thinned hinge according to claim 2, wherein: the second plate (117) is provided with a first assembling block (121), and one side of the base (102) close to the support (107) is provided with a second assembling block (122) which is matched and assembled with the first assembling block (121).

6. The thinning hinge according to any one of claims 1 to 5, wherein: be equipped with arc rib (123) on track (104) inner wall, moving part (103) are located one of track (104) and are served and offer arc groove (124) that can hold arc rib (123).

7. The thinned hinge according to claim 6, wherein: the track (104) is provided with an open end (125), and the open end (125) is positioned at the side of the base (102).

8. The thinning hinge according to claim 1 or 7, characterized in that: the driving piece (105) is provided with a sliding rail part (126), and one end of the connecting piece (111) is connected in a sliding way in the sliding rail part (126) and can slide and move back and forth relative to the sliding rail part (126).