CN212377100U

CN212377100U - Double-screen pivot device

Info

Publication number: CN212377100U
Application number: CN202021490462.3U
Authority: CN
Inventors: 唐海刚; 胡迪
Original assignee: Kunshan Voso Hinge Intelligence Technology Co ltd
Current assignee: Kunshan Voso Hinge Intelligence Technology Co ltd
Priority date: 2020-07-26
Filing date: 2020-07-26
Publication date: 2021-01-19
Anticipated expiration: 2030-07-26

Abstract

The utility model discloses a double screen pivot ware, the bracing piece, two axle cores, two first connecting plates, two second connecting plates, two mounting panels and two switching wheels, switching wheel slip cover is established on the axle core that corresponds, be equipped with the moving part between two switching wheels, when an axle core rotates, can drive in the moving part card goes into the arc breach of switching wheel on another axle core, restrict this axle core and rotate, thereby realize alternate pivoted function, the cover is equipped with the driving gear on the axle core, it is provided with driven gear and bracing piece to correspond the driving gear, with the help of gear drive, can drive two relative mounting panels of bracing piece and rotate when the axle core rotates, thereby realized double screen notebook computer when opening the main screen, support vice screen, when closing notebook computer, accomodate the function at this internal with vice screen.

Description

Double-screen pivot device

Technical Field

The utility model relates to a pivot device specifically relates to a double screen pivot device.

Background

The hinge device is a connecting element capable of providing mutual rotation, is mainly applied between a rotating part and a base body thereof, is widely applied to various digital products and electronic equipment such as a notebook computer at present, and can realize the opening and closing function between the body of the notebook computer and a display screen through the rotation of the hinge device.

At present, the pivot device has a single-axis pivot device and also has a double-axis pivot device, and the double-axis pivot device generally includes two mandrels and two connecting plates, and it switches the wheel to be equipped with one corresponding to every mandrel, and the connecting plate is used for being in the same place two solitary mandrels combination, and can keep the parallel of two solitary axes stable. Be provided with the stopper between two switching wheels, when a core rotates, this stopper can restrict another core and rotate to realize 360 degrees rotational positioning's function. The stopper is cylindricly, two switch the wheel and be cylindricly respectively, every switches wheel periphery side and has the arc breach, through the cooperation of cylindric stopper and the arc breach of cylindric switching wheel, when the stopper in the arc breach of a switching wheel, with should switch the axle core that the wheel cover was established together and be restricted the rotation, another axle core can rotate certain angle, can control opening and closure and opening and closed precedence order of two solitary axle cores like this respectively to realize 360 degrees rotational positioning's function. The double-shaft pivot device realizes the functions of 360-degree rotation positioning and automatic closing at a specific angle, can provide better experience effect for users, and meets the development requirement of automatic closing at the specific angle of a notebook computer.

However, with the continuous increase of work content of people, the working mode of a notebook computer with one display screen is single, and the work requirement of people for processing multiple tasks at the same time cannot be met, so that a double-screen notebook computer appears. The utility model provides a double screen notebook computer includes body, main screen and vice screen, and main screen needs to rotate through the pivot ware with the body and is connected, and vice screen needs to inlay the position of locating the body and being close to main screen. When the main screen is opened, the auxiliary screen needs to be supported, and the existing hinge device structure cannot meet the function.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a double screen pivot ware has realized double screen notebook computer when opening the main screen, supports vice screen, when closing notebook computer, accomodates the function at this internal with vice screen.

The technical scheme of the utility model is realized like this:

a double-screen pivot device comprises a supporting rod, two shaft cores, two first connecting plates, two second connecting plates and two mounting plates, wherein a switching wheel is arranged corresponding to each shaft core, each switching wheel is slidably sleeved on the corresponding shaft core, the two first connecting plates are clamped at the front end and the rear end of each switching wheel at the same time and are rotatably sleeved on the two shaft cores at the same time, a moving part is arranged between the two switching wheels, arc notches are formed in the two switching wheels, and when one shaft core rotates, the moving part can be driven to be clamped into the arc notch of the switching wheel on the other shaft core to limit the rotation of the shaft core; a sleeve is sleeved on one shaft core, a driving gear is sleeved on the other shaft core, non-circular convex ends are formed at two ends of the driving gear, round holes and non-round holes with the same shape as the non-circular convex ends are formed in the second connecting plates, the round holes of the two second connecting plates are sleeved on one shaft core and clamped at two ends of the sleeve, the outer side of one second connecting plate abuts against a first shaft shoulder at the first end of the shaft core, a position supplementing gasket is sleeved on the shaft core between the other second connecting plate and the first connecting plate, and the second end of the shaft core is locked through a first torsion assembly; the non-circular holes of the two second connecting plates are sleeved on the non-circular convex ends at the two ends of the driving gear, the two mounting plates are simultaneously sleeved on a shaft core where the driving gear is located, one mounting plate is clamped between the first connecting plate and the second connecting plate, the other mounting plate is clamped between second shaft shoulders at the first end of the shaft core, and the second end of the shaft core is locked through a second torsion assembly; two it is equipped with driven gear to rotate between the mounting panel, driven gear with the driving gear meshing transmission, the circumference part angle of driving gear does not have the tooth, the bracing piece rigid coupling in one side of driven gear or with driven gear integrated into one piece.

Furthermore, cylindrical platforms are formed at two ends of the movable member, waist-shaped guide holes are formed in the two first connecting plates, one cylindrical platform is arranged in the waist-shaped guide hole of one first connecting plate in a sliding mode, and the other cylindrical platform is arranged in the waist-shaped guide hole of the other first connecting plate in a sliding mode.

Furthermore, the connecting device also comprises two third connecting plates, a limit wheel is arranged corresponding to each shaft core, each limit wheel is sleeved on the corresponding shaft core in a sliding manner, the two third connecting plates are clamped on the two front and rear ends of the limit wheel and are sleeved on the two shaft cores in a rotating manner, the limit wheel faces one end of each third connecting plate and is provided with an arc-shaped groove, a lug is formed on each third connecting plate, and the lug is arranged in the arc-shaped groove.

Furthermore, a closed cam is arranged corresponding to each shaft core, the closed cam is slidably sleeved on the corresponding shaft core and is in contact with one third connecting plate, and protrusions and grooves which are matched in size are arranged on the opposite surfaces of the closed cam and the third connecting plates.

Furthermore, the first torsion assembly comprises a plurality of first gaskets, a plurality of first butterfly-shaped elastic sheets and a first nut, the first nut is in threaded connection with the shaft core where the sleeve is located, and the first gaskets and the first butterfly-shaped elastic sheets are locked to the outer side of the closing cam on the shaft core; the second torsion assembly comprises a plurality of second gaskets, a plurality of second butterfly-shaped elastic sheets and a second nut, the second nut is in threaded connection with a shaft core where the driving gear is located, and the second gaskets and the second butterfly-shaped elastic sheets are locked to the outer side of a closed cam on the shaft core.

Furthermore, a spacing gasket is arranged corresponding to each shaft core, each spacing gasket is sleeved on the corresponding shaft core in a sliding mode, and the spacing gasket is clamped between the first connecting plate and the third connecting plate.

Furthermore, two sides of one first connecting plate are provided with blocking pieces facing the other first connecting plate, and the movable piece is positioned in a containing space defined by the two blocking pieces, the two switching wheels and the two first connecting plates.

Furthermore, a first support is installed on the outer side of a first shaft shoulder of the shaft core where the sleeve is located, and a second support is formed on one mounting plate in a bending mode.

The utility model has the advantages that: the utility model provides a double screen pivot ware through set up the driving gear on an axle core at alternately pivoted biax core pivot ware, corresponds the driving gear and sets up driven gear and bracing piece, with the help of gear drive, two relative mounting panels of drive bracing piece rotate, has realized double screen notebook computer when opening the main screen, supports vice screen, when closing notebook computer, accomodates the function at this internal with vice screen. The technical principle is as follows: when the main screen is opened to the computer, in the moving part card goes into the arc breach that switches the wheel on the axle core of sleeve place, driving gear place axle core can rotate, because the non-round hole of two second connecting plates and the non-round protruding end fixed connection at the both ends of driving gear, consequently, axle core and the second connecting plate at sleeve place will rotate around the axle core at driving gear place, the axle core rotation at driving gear and place will be taken to the second connecting plate, and main screen uses driving gear place axle core to rotate as the axis promptly. At the moment, the toothless part of the driving gear is opposite to the driven gear, the driving gear does not drive the driven gear to rotate, the supporting rod does not rotate, and the main screen of the notebook computer can be opened at an angle. After the main screen is opened a set angle, driving gear and driven gear meshing to can drive the bracing piece and rotate, at this moment, when notebook computer opened main screen, the bracing piece upwards propped up, can support vice screen. When the driving gear and place axle core rotate certain angle again, in the moving part card goes into the arc breach that switches the wheel on the axle core of driving gear place, the axle core at driving gear and place is locked, and sleeve place axle core is released, and the main screen uses the axle core at sleeve place to rotate as the axis.

Drawings

Fig. 1 is an exploded view of the double-screen hinge device of the present invention;

fig. 2 is a perspective view of the dual-screen hinge device of the present invention;

fig. 3 is a perspective view of the dual-screen hinge device of the present invention from another viewing angle;

fig. 4 is a schematic structural view of the third connecting plate assembled with the limiting wheel and the closing cam;

fig. 5 is a schematic structural view of another embodiment of the first connecting plate, the second connecting plate, the switching wheel and the moving member according to the present invention;

the following description is made with reference to the accompanying drawings:

1-a support rod, 2-a shaft core, 201-a first shaft shoulder, 202-a second shaft shoulder, 3-a first connecting plate, 301-a kidney-shaped guide hole, 302-a baffle plate, 4-a second connecting plate, 401-a round hole, 402-a non-round hole, 5-a mounting plate, 6-a switching wheel, 601-an arc notch, 7-a movable part, 701-a cylindrical table, 8-a sleeve, 9-a driving gear, 901-a non-round convex end, 10-a complementary spacer, 11-a first torsion component, 1101-a first spacer, 1102-a first butterfly shrapnel, 1103-a first nut, 12-a second torsion component, 1201-a second spacer, 1202-a second butterfly shrapnel, 1203-a second nut, 13-a driven gear, 14-a third connecting plate, 1401-projection, 1402-groove, 15-limiting wheel, 1501-arc groove, 16-closing cam, 1601-projection, 17-spacer, 18-first support and 19-second support.

Detailed Description

In order to clearly understand the technical content of the present invention, the following embodiments are specifically mentioned, which are only for the purpose of better understanding the content of the present invention and not for the purpose of limiting the scope of the present invention.

Fig. 1 is an exploded view of the double-screen hinge device of the present invention; fig. 2 is a perspective view of the dual-screen hinge device of the present invention; fig. 3 is a perspective view of the dual-screen hinge device of the present invention from another viewing angle; fig. 4 is a schematic structural view of the third connecting plate assembled with the limiting wheel and the closing cam; referring to fig. 1, 2, 3 and 4, a double-screen pivot device includes a support rod 1, two shaft cores 2, two first connecting plates 3, two second connecting plates 4 and two mounting plates 5, wherein a switching wheel 6 is provided corresponding to each shaft core, each switching wheel is slidably sleeved on the corresponding shaft core, the two first connecting plates are simultaneously clamped at the front and rear ends of the two switching wheels and are simultaneously rotatably sleeved on the two shaft cores, a moving member 7 is provided between the two switching wheels, arc notches 601 are provided on the two switching wheels, and when one shaft core rotates, the moving member can be driven to be clamped into the arc notch of the switching wheel on the other shaft core to limit the rotation of the shaft core; a sleeve 8 is sleeved on one shaft core, a driving gear 9 is sleeved on the other shaft core, non-circular convex ends 901 are formed at two ends of the driving gear, circular holes 401 and non-circular holes 402 with the same shape as the non-circular convex ends are formed in the second connecting plates, the circular holes of the two second connecting plates are sleeved on the shaft core and clamped at two ends of the sleeve, the outer side of one second connecting plate abuts against a first shaft shoulder 201 at the first end of the shaft core, a position supplementing gasket 10 is sleeved on the shaft core between the other second connecting plate and the first connecting plate, and the second end of the shaft core is locked through a first torsion assembly 11; the non-circular holes of the two second connecting plates are sleeved on the non-circular convex ends at the two ends of the driving gear, the two mounting plates are simultaneously sleeved on a shaft core where the driving gear is located, one mounting plate is clamped between the first connecting plate and the second connecting plate, the other mounting plate is clamped between second shaft shoulders 202 at the first end of the shaft core, and the second end of the shaft core is locked through a second torsion assembly 12; two it is equipped with driven gear 13 to rotate between the mounting panel, driven gear with the driving gear meshing transmission, the circumference part angle of driving gear does not have the tooth, the bracing piece rigid coupling in one side of driven gear or with driven gear integrated into one piece.

In the structure, the driving gear is arranged on one shaft core of the double-shaft-core pivot device which rotates in turn, the driven gear and the supporting rod are arranged corresponding to the driving gear, the two mounting plates relative to the supporting rod are driven to rotate by means of gear transmission, the double-screen notebook computer supports the auxiliary screen when the main screen is opened, and the auxiliary screen is stored in the main body when the notebook computer is closed. The technical principle is as follows: when the main screen is opened to the computer, in the moving part card goes into the arc breach that switches the wheel on the axle core of sleeve place, driving gear place axle core can rotate, because the non-round hole of two second connecting plates and the non-round protruding end fixed connection at the both ends of driving gear, consequently, axle core and the second connecting plate at sleeve place will rotate around the axle core at driving gear place, the axle core rotation at driving gear and place will be taken to the second connecting plate, and main screen uses driving gear place axle core to rotate as the axis promptly. At the moment, the toothless part of the driving gear is opposite to the driven gear, the driving gear does not drive the driven gear to rotate, the supporting rod does not rotate, and the main screen of the notebook computer can be opened at an angle. After the main screen is opened a set angle, driving gear and driven gear meshing to can drive the bracing piece and rotate, at this moment, when notebook computer opened main screen, the bracing piece upwards propped up, can support vice screen. When the driving gear and place axle core rotate certain angle again, in the moving part card goes into the arc breach that switches the wheel on the axle core of driving gear place, the axle core at driving gear and place is locked, and sleeve place axle core is released, and the main screen uses the axle core at sleeve place to rotate as the axis.

When closing, when the main screen used the axle core at sleeve place to rotate certain angle as the axis antiport, in the moving part card was gone into the arc breach that switches over the wheel on the axle core of sleeve place once more, then the driving gear place axle core can rotate. After the main screen uses the axle center of driving gear place as the certain angle of axis antiport, driving gear and driven gear no longer mesh, and at this moment, vice screen is packed up. When the main screen rotates reversely with the axis of the driving gear as the axis, the main screen of the computer is closed to the closed position.

In the structure, the sleeve is arranged between the two second connecting plates and used for balancing the driving gear. The first torsion assembly and the second torsion assembly are used for providing rotating torsion for the two shaft cores and locking a first connecting plate, a second connecting plate, a switching wheel, a driving gear, a sleeve and the like arranged on the shaft cores.

Preferably, referring to fig. 1, cylindrical platforms 701 are formed at both ends of the movable member, waist-shaped guide holes 301 are formed in both the first connecting plates, one of the cylindrical platforms is slidably disposed in the waist-shaped guide hole of one of the first connecting plates, and the other cylindrical platform is slidably disposed in the waist-shaped guide hole of the other first connecting plate. Through the cooperation of cylindric platform and waist shape guide hole, can lead to spacing to the moving part, make the switching wheel can only remove on two lines of switching between the wheel to go into smoothly in the arc breach of switching on taking turns.

Preferably, referring to fig. 1 and 4, the shaft structure further includes two third connecting plates 14, a limiting wheel 15 is disposed corresponding to each shaft core, each limiting wheel is slidably sleeved on the corresponding shaft core, the two third connecting plates are simultaneously clamped at the front end and the rear end of each limiting wheel and are simultaneously rotatably sleeved on the two shaft cores, an arc-shaped groove 1501 is formed at one end of each limiting wheel facing one of the third connecting plates, and a protrusion 1401 is formed on each third connecting plate and is disposed in the arc-shaped groove. Through setting up two third connecting plates to set up spacing round between two third connecting plates, set up the arc wall on spacing round, set up the lug on a third connecting plate, can play and prevent to rotate the strength too big, the turned angle surpasss required angle and causes and can not switch, makes the effect that the function can not realize.

Preferably, referring to fig. 4, a closing cam 16 is provided for each of the cores, the closing cam is slidably sleeved on the corresponding core, the closing cam is in contact with one of the third connecting plates, and a protrusion 1601 and a groove 1402 which are matched in size are provided on the opposite surfaces of the closing cam and the third connecting plate. During specific implementation, a groove can be formed in one side face, facing the closed cam, of the third connecting plate, a protrusion matched with the groove in size is formed in the face, facing the third connecting plate, of the closed cam, and the automatic closing function of the product at a set angle is achieved through mutual matching of the protrusion and the groove.

Preferably, referring to fig. 1, the first torque assembly includes a plurality of first spacers 1101, a plurality of first butterfly springs 1102 and a first nut 1103, the first nut is in threaded connection with the shaft core where the sleeve is located, and the first spacers and the first butterfly springs are locked to the outside of the closing cam on the shaft core; the second torsion assembly comprises a plurality of second gaskets 1201, a plurality of second butterfly-shaped elastic sheets 1202 and second nuts 1203, the second nuts are in threaded connection with a shaft core where the driving gear is located, and the second gaskets and the second butterfly-shaped elastic sheets are locked to the outer sides of the closing cams on the shaft core. The first torsion assembly and the second torsion assembly are used for providing rotating torsion for the two shaft cores and locking a first connecting plate, a second connecting plate, a switching wheel, a driving gear, a sleeve and the like arranged on the shaft cores. The first torsion assembly and the second torsion assembly which are composed of the first nut, the second nut, the first gasket, the second gasket, the first butterfly-shaped elastic sheet and the second butterfly-shaped elastic sheet can realize the functions of providing rotating torsion and tight-fitting positioning for the two shaft cores.

Preferably, referring to fig. 1, a spacer 17 is provided for each shaft core, each spacer is slidably fitted over the corresponding shaft core, and the spacer is clamped between the first connecting plate and the third connecting plate. The spacer is used for separating the first connecting plate from the second connecting plate and reducing the contact between the first connecting plate and the second connecting plate.

Fig. 5 is a schematic structural view of another embodiment of the first connecting plate, the second connecting plate, the switching wheel and the moving member according to the present invention; referring to fig. 5, two sides of one first connecting plate are formed with blocking plates 302 facing the other first connecting plate, and the movable member is positioned in a receiving space surrounded by the two blocking plates, the two switching wheels and the two first connecting plates. The guide positioning function of the movable part can be realized through the accommodating space defined by the two separation blades, the two switching wheels and the two first connecting plates. The movable part plays an important role in controlling the double-shaft core to rotate alternately.

Preferably, referring to fig. 1, a first bracket 18 is mounted outside a first shoulder of the shaft core where the sleeve is located, and a second bracket 19 is bent and formed on one of the mounting plates. First support and second support are used for imbedding in needs pivoted part and the base member, for example, notebook computer's main screen and base member, second support and mounting panel integrated into one piece, and the mounting panel is fixed on the axle core at driving gear place, the axle core fixed connection at first support and sleeve place, and like this, main screen can alternate the axle core and rotate, realizes 360 degrees rotational positioning's function.

The above embodiments have been described in detail with reference to the accompanying drawings. Those skilled in the art can make various modifications and changes to the above embodiments without departing from the spirit of the present invention, and the scope of the present invention is also covered by the appended claims.

Claims

1. A double-screen pivot device is characterized in that: the automatic switching mechanism comprises a supporting rod (1), two shaft cores (2), two first connecting plates (3), two second connecting plates (4) and two mounting plates (5), wherein a switching wheel (6) is arranged corresponding to each shaft core, each switching wheel is slidably sleeved on the corresponding shaft core, the two first connecting plates are clamped at the front end and the rear end of each switching wheel and are rotatably sleeved on the two shaft cores, a moving part (7) is arranged between the two switching wheels, arc-shaped notches (601) are formed in the two switching wheels, and when one shaft core rotates, the moving part can be driven to be clamped into the arc-shaped notch of the switching wheel on the other shaft core to limit the rotation of the shaft core; a sleeve (8) is sleeved on one shaft core, a driving gear (9) is sleeved on the other shaft core, non-circular convex ends (901) are formed at two ends of the driving gear, round holes (401) and non-round holes (402) with the same shape as the non-circular convex ends are formed in the second connecting plates, the round holes of the two second connecting plates are sleeved on the shaft core and clamped at two ends of the sleeve, the outer side of one second connecting plate abuts against a first shaft shoulder (201) at the first end of the shaft core, a position supplementing gasket (10) is sleeved on the shaft core between the other second connecting plate and the first connecting plate, and the second end of the shaft core is locked through a first torsion assembly (11); the non-circular holes of the two second connecting plates are sleeved on the non-circular convex ends at the two ends of the driving gear, the two mounting plates are simultaneously sleeved on a shaft core where the driving gear is located, one mounting plate is clamped between the first connecting plate and the second connecting plate, the other mounting plate is clamped between second shaft shoulders (202) at the first end of the shaft core, and the second end of the shaft core is locked through a second torsion assembly (12); two it is equipped with driven gear (13) to rotate between the mounting panel, driven gear with the driving gear meshing transmission, the circumference part angle of driving gear does not have the tooth, the bracing piece rigid coupling in one side of driven gear or with driven gear integrated into one piece.

2. A dual-screen hinge according to claim 1, wherein: cylindrical platforms (701) are formed at two ends of the movable member, waist-shaped guide holes (301) are formed in the two first connecting plates, one cylindrical platform is arranged in the waist-shaped guide hole of one first connecting plate in a sliding mode, and the other cylindrical platform is arranged in the waist-shaped guide hole of the other first connecting plate in a sliding mode.

3. A dual-screen hinge according to claim 1, wherein: the novel bearing is characterized by further comprising two third connecting plates (14), a limiting wheel (15) is arranged corresponding to each shaft core, each limiting wheel is sleeved on the corresponding shaft core in a sliding mode, the two third connecting plates are clamped at the front end and the rear end of each limiting wheel and are sleeved on the two shaft cores in a rotating mode, an arc-shaped groove (1501) is formed in one end, facing one third connecting plate, of each limiting wheel, a protruding block (1401) is formed on each third connecting plate, and the protruding blocks are arranged in the arc-shaped grooves.

4. A dual-screen hinge according to claim 3, wherein: and a closing cam (16) is arranged corresponding to each shaft core, the closing cam is slidably sleeved on the corresponding shaft core, the closing cam is in contact with one third connecting plate, and a bulge (1601) and a groove (1402) which are matched in size are arranged on the opposite surface of the closing cam and the third connecting plate.

5. A dual-screen hinge according to claim 4, wherein: the first torsion assembly comprises a plurality of first gaskets (1101), a plurality of first butterfly-shaped spring pieces (1102) and a first nut (1103), the first nut is in threaded connection with a shaft core where the sleeve is located, and the first gaskets and the first butterfly-shaped spring pieces are locked to the outer side of a closing cam on the shaft core; the second torsion assembly comprises a plurality of second gaskets (1201), a plurality of second butterfly-shaped elastic sheets (1202) and a second nut (1203), the second nut is in threaded connection with a shaft core where the driving gear is located, and the second gaskets and the second butterfly-shaped elastic sheets are locked to the outer side of a closed cam on the shaft core.

6. A dual-screen hinge according to claim 5, wherein: and a spacing gasket (17) is arranged corresponding to each shaft core, each spacing gasket is sleeved on the corresponding shaft core in a sliding manner, and the spacing gasket is clamped between the first connecting plate and the third connecting plate.

7. A dual-screen hinge according to claim 1, wherein: and blocking pieces (302) facing to the other first connecting plate are formed on two sides of one first connecting plate, and the movable piece is positioned in a containing space defined by the two blocking pieces, the two switching wheels and the two first connecting plates.

8. A dual-screen hinge according to claim 1, wherein: and a first bracket (18) is arranged outside the first shaft shoulder of the shaft core where the sleeve is positioned, and a second bracket (19) is formed by bending one mounting plate.