CN209781448U - double-shaft stepping rotating hinge and notebook computer - Google Patents
double-shaft stepping rotating hinge and notebook computer Download PDFInfo
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- CN209781448U CN209781448U CN201920610773.XU CN201920610773U CN209781448U CN 209781448 U CN209781448 U CN 209781448U CN 201920610773 U CN201920610773 U CN 201920610773U CN 209781448 U CN209781448 U CN 209781448U
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Abstract
The utility model provides a hinge is rotated step by step to biax relates to electron electrical apparatus hardware technical field. The double-shaft step-by-step rotating hinge comprises a first rotating shaft, a second rotating shaft, a base and a locking device; the first rotating shaft and the second rotating shaft penetrate through the base in parallel; the locking device is movably arranged in the base and has two positioning states: in the first state, the locking device abuts against the first rotating shaft and is used for limiting the first rotating shaft to rotate; in the second state, the locking device abuts against the second rotating shaft for restricting the second rotating shaft from rotating. The utility model discloses a hinge is rotated step by step to biax utilizes the mutual rotation process of locking means with first axis of rotation and second axis of rotation to fall into two processes: the first rotating shaft rotates a certain angle relative to the second rotating shaft, and the second rotating shaft rotates a certain angle relative to the first rotating shaft, so that the operation and the use are more convenient. On the basis, the utility model also provides a notebook computer.
Description
Technical Field
the utility model relates to an electron electrical apparatus hardware technical field particularly, relates to a hinge and notebook computer are rotated step by step to biax.
background
In the prior art, the relative rotation angle between the display screen module and the host control module in the notebook is generally not more than 180 degrees. However, in a special requirement, the relative rotation angle of the two structural members can reach 360 degrees. In order to achieve 360-degree relative rotation between the display screen module and the host control module, the single-shaft hinge structure is difficult to realize.
however, in a notebook computer using a dual-axis hinge, the display module and the host control module usually use a gear set engaged with each other to transmit torque, so that the rotation of the display module and the host control module relative to the hinge body is synchronized. This is inconvenient and impractical in practice. And rotate a certain angle, for example 180 degrees operation mode, more practical with display screen module and host computer control module respectively for the hinge body.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to provide a biax substep rotates hinge can realize that first axis of rotation and second axis of rotation change into two substep processes for the rotation of hinge body simultaneously, and first axis of rotation or second axis of rotation are earlier for hinge body rotating part angle, and another pivot rotates remaining angle again.
another object of the present invention is to provide a notebook computer, which can rotate the display module first and then rotate the host control module.
the embodiment of the utility model is realized like this:
A double-shaft stepped rotating hinge comprises a first rotating shaft, a second rotating shaft, a base and a locking device; the first rotating shaft and the second rotating shaft penetrate through the base in parallel; the locking device is movably arranged in the base and has two positioning states: in a first state, the locking device abuts against the first rotating shaft and is used for limiting the first rotating shaft to rotate; in the second state, the locking device abuts against the second rotating shaft and is used for limiting the rotation of the second rotating shaft.
In this technical scheme, the locking means that can restrict first axis of rotation and second axis of rotation respectively rotates divides into independent two processes with the rotation of first axis of rotation for the hinge body and the rotation of second axis of rotation for the hinge body.
In a preferred embodiment of the present invention, the locking device includes a limiting fastener, the middle section of the limiting fastener is hinged to the base, and the two ends of the limiting fastener are respectively provided with a first arc-shaped protrusion and a second arc-shaped protrusion; a first notch sleeve is fixedly sleeved on the first rotating shaft in the circumferential direction, and a first arc-shaped groove matched with the first arc-shaped protrusion is formed in the outer ring surface of the first notch sleeve; in a first state, the first arc-shaped bulge is meshed with the first arc-shaped groove; a second gap sleeve is fixedly sleeved on the circumferential direction of the second rotating shaft, and a second arc-shaped groove matched with the second arc-shaped bulge is formed in the outer ring surface of the second gap sleeve; in a second state, the second arcuate protuberance engages the second arcuate recess.
In a preferred embodiment of the present invention, the limiting fastener comprises an open ring, a left support rod and a right support rod; the opening circular ring is hinged with one cylinder of the base through an inner ring surface, and the left support rod and the right support rod are respectively connected with two ends of the opening circular ring; the end of the left supporting rod is provided with the first arc-shaped protrusion, and the end of the right supporting rod is provided with the second arc-shaped protrusion.
Optionally, the limit fastener comprises a swing rod, a left support rod and a right support rod; the swing rod is hinged with one cylinder of the base, and the left support rod and the right support rod are respectively connected with the free end of the swing rod; the end of the left supporting rod is provided with the first arc-shaped protrusion, and the end of the right supporting rod is provided with the second arc-shaped protrusion.
In addition, besides the limiting clamping piece, the locking device can be optionally arranged to comprise a limiting straight rod, the limiting straight rod is movably arranged on the base along the length direction of the limiting straight rod, and a first arc-shaped bulge and a second arc-shaped bulge are respectively arranged at two ends of the limiting straight rod; a first notch sleeve is fixedly sleeved on the first rotating shaft in the circumferential direction, and a first arc-shaped groove matched with the first arc-shaped protrusion is formed in the outer ring surface of the first notch sleeve; in a first state, the first arc-shaped bulge is meshed with the first arc-shaped groove; a second gap sleeve is fixedly sleeved on the circumferential direction of the second rotating shaft, and a second arc-shaped groove matched with the second arc-shaped bulge is formed in the outer ring surface of the second gap sleeve; in a second state, the second arcuate protuberance engages the second arcuate recess.
In a preferred embodiment of the present invention, the locking device further includes a first limit ring and a second limit ring; the first limiting ring is attached to the base and fixedly sleeved on the first rotating shaft, a first bump is arranged on the outer ring surface of the first limiting ring, and a first stop block is correspondingly arranged on the base; the first stop block is attached to the first bump to limit the rotation of the first rotating shaft; the second limiting ring is attached to the base and fixedly sleeved on the second rotating shaft, a second convex block is arranged on the outer ring surface of the second limiting ring, and a second stop block is correspondingly arranged on the base; the second stop block is attached to the second protruding block and can limit the second rotating shaft to rotate.
In the preferred embodiment of the present invention, the utility model further comprises a cover plate and a fastening nut; the cover plate is sleeved on the first rotating shaft and the second rotating shaft, and the first rotating shaft and the second rotating shaft can rotate around respective axes relative to the cover plate; the base, the first notch sleeve and the cover plate are sequentially attached along the axis direction of the first rotating shaft, the fastening nut is in threaded connection with the first rotating shaft, and the first notch sleeve is attached to the base through the cover plate; the base the second breach sleeve with the apron is followed the axis direction of second axis of rotation laminates the setting in proper order, fastening nut with second axis of rotation spiro union, through the apron will the second breach sleeve with the base laminating sets up.
In the preferred embodiment of the present invention, the device further comprises a concave-convex wheel; the concave cam is annular and is sleeved with the first rotating shaft and the second rotating shaft; the concave cam is positioned between the cover plate and the fastening nut; and an engagement structure is arranged between the concave cam and the abutting surface of the cover plate, so that the concave cam is prevented from rotating around the axis of the concave cam relative to the cover plate.
in the preferred embodiment of the present invention, the utility model further comprises a bowl-shaped gasket; the bowl-shaped gasket is sleeved with the first rotating shaft and the second rotating shaft and is positioned between the concave cam and the fastening nut.
A notebook computer comprises a host computer control module, a display screen module and the double-shaft stepped rotating hinge, wherein the host computer control module is fixedly connected with a first rotating shaft, and the display screen module is fixedly connected with a second rotating shaft.
The embodiment of the utility model provides a beneficial effect is:
The utility model discloses a hinge is rotated step by step to biax utilizes the mutual rotation process of locking means with first axis of rotation and second axis of rotation to fall into two processes: the first rotating shaft rotates a certain angle relative to the second rotating shaft, and the second rotating shaft rotates a certain angle relative to the first rotating shaft, so that the operation and the use are more convenient.
the utility model discloses a notebook computer adopts above-mentioned biax substep to rotate hinge structure, and the display screen module need not synchronous rotation with the host computer control module, uses more in a flexible way, and it is more convenient to operate.
Drawings
in order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
fig. 1 is a schematic structural diagram of an external appearance of a dual-axis stepped rotary hinge according to an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of an external appearance of a dual-axis stepped rotary hinge according to an embodiment of the present invention;
fig. 3 is a view of the dual-axis step-by-step rotary hinge of the first embodiment of the present invention from a-a in fig. 2;
Fig. 4 is a rotation flow chart of the dual-axis stepped rotation hinge according to the first embodiment of the present invention;
Fig. 5 is a view of the dual-axis step-by-step rotary hinge of the second embodiment of the present invention from a-a in fig. 2;
Fig. 6 is a view of the double-shaft stepped rotary hinge according to the third embodiment of the present invention from a-a in fig. 2;
Fig. 7 is a view of the dual-axis step-and-turn hinge of fig. 2 from the direction B-B according to an embodiment of the present invention.
In the figure: 1-a first rotating shaft; 2-a second rotating shaft; 3-a base; 4-limiting clamping piece; 401-a first arced bulge; 402-a second arcuate projection; 403-open circular ring; 404-left strut; 405-a right strut; 406-a sway bar; 407-a limiting straight rod; 5-a first notched sleeve; 501-a first arc-shaped groove; 6-a second notched sleeve; 601-a second arc-shaped groove; 7-a first stop collar; 701-a first bump; 702-a first stop; 8-a second stop collar; 801-second bumps; 802-a second stop; 9-cover plate; 10-fastening a nut; 11-a concave cam; 12-bowl gasket.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
it should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Fig. 1 is a schematic structural diagram of an external appearance of a dual-axis stepped rotary hinge according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of an external appearance of the dual-axis stepped rotation hinge according to an embodiment of the present invention.
the first embodiment:
Fig. 3 is a view of the dual-axis stepped rotary hinge according to the first embodiment of the present invention from a-a in fig. 2; fig. 4 is a rotation flowchart of the dual-axis stepped rotation hinge according to the first embodiment of the present invention.
Referring to fig. 1, 2 and 3, the present embodiment provides a dual-axis stepped rotation hinge, which includes a first rotation shaft 1, a second rotation shaft 2, a base 3 and a locking device; the first rotating shaft 1 and the second rotating shaft 2 penetrate through the base 3 in parallel; the locking device is movably arranged in the base 3 and has two positioning states: in the first state, the locking device abuts against the first rotating shaft 1 and is used for limiting the rotation of the first rotating shaft 1; in the second state, the locking means abuts against the second rotation shaft 2 for restricting the rotation of the second rotation shaft 2.
Referring to fig. 3, the locking device comprises a limiting clamping piece 4, the middle section of the limiting clamping piece 4 is hinged to the base 3, and a first arc-shaped protrusion 401 and a second arc-shaped protrusion 402 are respectively arranged at two ends of the limiting clamping piece 4; a first notch sleeve 5 is fixedly sleeved on the circumferential direction of the first rotating shaft 1, and a first arc-shaped groove 501 matched with the first arc-shaped protrusion 401 is formed in the outer ring surface of the first notch sleeve 5; in the first state, the first arc-shaped protrusion 401 is engaged with the first arc-shaped groove 501; a second notched sleeve 6 is fixedly sleeved on the circumferential direction of the second rotating shaft 2, and a second arc-shaped groove 601 matched with the second arc-shaped protrusion 402 is formed in the outer ring surface of the second notched sleeve 6; in the second state, the second arc protrusion 402 engages the second arc groove 601.
Referring to fig. 3, the limit clip 4 includes an open ring 403, a left support rod 404 and a right support rod 405; the opening ring 403 is hinged with a cylinder of the base 3 through the inner ring surface, and the left support rod 404 and the right support rod 405 are respectively connected with two ends of the opening ring 403; the end of the left strut 404 is provided with a first arc-shaped protrusion 401, and the end of the right strut 405 is provided with a second arc-shaped protrusion 402.
In the above-described embodiment, the lock device of the biaxial stepwise rotation hinge capable of restricting the rotation of the first rotation shaft 1 and the second rotation shaft 2, respectively, divides the rotation of the first rotation shaft 1 with respect to the hinge body and the rotation of the second rotation shaft 2 with respect to the hinge body into two separate processes.
as shown in fig. 4, the whole rotation process and steps are as follows:
1. a second state shown in step 4-1 in fig. 4, which can be set to an initial state, in which the locking device abuts against the second rotating shaft 2 to limit the rotation of the second rotating shaft 2 relative to the base 3, and the first rotating shaft 1 can rotate 180 degrees in the counterclockwise direction of the figure relative to the base 3 to a state shown in step 4-2 in fig. 4;
2. In the state shown in step 4-2 in fig. 4, the first rotating shaft 1 is structurally restricted (for example, a bolt is arranged on the first rotating shaft 1, and when the first rotating shaft 1 is in the state shown in fig. 2, the first rotating shaft cannot rotate counterclockwise continuously, which structural feature can also be realized by the first limit ring 7 and the second limit ring 8 described below), and cannot rotate counterclockwise continuously, at this time, the second rotating shaft 2 is acted by the moment of hand, has a tendency of rotating clockwise, and the movement tendency causes the locking device to change, and enters the state shown in step 4-3 in fig. 4;
3. Step 4-3 of fig. 4 shows a first state in which the locking means abuts the first turning shaft 1, restricting the turning of the first turning shaft 1 relative to the base 3, and the second turning shaft 2 can be turned 180 degrees relative to the base 3 in the clockwise direction of the figure to a state shown in step 4-4 of fig. 4;
4. Similarly, in the state shown by step 4-4 in fig. 4, the second rotating shaft 2 is restricted by the structure described in step 4-2 in fig. 4, and cannot continue to rotate clockwise. At this time, the rotation of the two rotation shafts in one direction ends. The whole process is reversible, so that the first and second rotating shafts 1 and 2 can be repeatedly moved according to the above four steps.
second embodiment:
Fig. 5 is a view of the dual-axis stepped rotary hinge according to the second embodiment of the present invention from a-a in fig. 2.
referring to fig. 1, 2 and 5, the present embodiment provides a dual-axis step-by-step rotary hinge, which is substantially the same as the dual-axis step-by-step rotary hinge of the first embodiment, and the difference between the dual-axis step-by-step rotary hinge of the present embodiment is that the limit clamper 4 includes a swing lever 406, a left support rod 404 and a right support rod 405; the swing rod 406 is hinged with a cylinder of the base 3, and the left strut 404 and the right strut 405 are respectively connected with the free end of the swing rod 406; the end of the left strut 404 is provided with a first arc-shaped protrusion 401, and the end of the right strut 405 is provided with a second arc-shaped protrusion 402.
In the above embodiment, the swing lever 406 is not easy to adjust and disassemble than the opening ring 403, but the swing lever 406 is more direct to manufacture and install and has better stability and reliability in use.
The third embodiment:
Fig. 6 is a view of the double-shaft stepped rotary hinge according to the third embodiment of the present invention from a-a in fig. 2.
Referring to fig. 1, 2 and 6, the present embodiment provides a dual-axis stepped rotation hinge, which includes a first rotation shaft 1, a second rotation shaft 2, a base 3 and a locking device; the first rotating shaft 1 and the second rotating shaft 2 penetrate through the base 3 in parallel; the locking device is movably arranged in the base 3 and has two positioning states: in the first state, the locking device abuts against the first rotating shaft 1 and is used for limiting the rotation of the first rotating shaft 1; in the second state, the locking means abuts against the second rotation shaft 2 for restricting the rotation of the second rotation shaft 2.
Referring to fig. 6, the locking device includes a limiting straight rod 407, the limiting straight rod 407 is movably disposed on the base 3 along a length direction thereof, and two ends of the limiting straight rod 407 are respectively provided with a first arc-shaped protrusion 401 and a second arc-shaped protrusion 402; a first notch sleeve 5 is fixedly sleeved on the circumferential direction of the first rotating shaft 1, and a first arc-shaped groove 501 matched with the first arc-shaped protrusion 401 is formed in the outer ring surface of the first notch sleeve 5; in the first state, the first arc-shaped protrusion 401 is engaged with the first arc-shaped groove 501; a second notched sleeve 6 is fixedly sleeved on the circumferential direction of the second rotating shaft 2, and a second arc-shaped groove 601 matched with the second arc-shaped protrusion 402 is formed in the outer ring surface of the second notched sleeve 6; in the second state, the second arc protrusion 402 engages the second arc groove 601.
In the above embodiment, the straight limiting rod 407 replaces the opening ring 403 and the swing rod 406 of the hinge structure, so that the movement of the locking device is changed from swing to translation, the structure is more compact, and the locking is more direct.
fig. 7 is a view of the dual-axis step-and-turn hinge of fig. 2 from the direction B-B according to an embodiment of the present invention. On the basis of any of the above embodiments, as shown in fig. 7, the locking device further includes a first limit ring 7 and a second limit ring 8; the first limiting ring 7 is attached to the base 3 and fixedly sleeved on the first rotating shaft 1, a first bump 701 is arranged on the outer ring surface of the first limiting ring 7, and a first stop block 702 is correspondingly arranged on the base 3; the first stopper 702 is attached to the first protrusion 701 to limit the rotation of the first rotating shaft 1; the second limiting ring 8 is jointed with the base 3 and fixedly sleeved on the second rotating shaft 2, the outer ring surface of the second limiting ring 8 is provided with a second bump 801, and the base 3 is correspondingly provided with a second stopper 802; the second stopper 802 is attached to the second protrusion 801 to limit the rotation of the second rotating shaft 2.
further, as shown in fig. 1 and 2, the device further comprises a cover plate 9 and a fastening nut 10; the cover plate 9 is sleeved on the first rotating shaft 1 and the second rotating shaft 2, and the first rotating shaft 1 and the second rotating shaft 2 can rotate around respective axes relative to the cover plate 9; the base 3, the first notch sleeve 5 and the cover plate 9 are sequentially attached along the axis direction of the first rotating shaft 1, the fastening nut 10 is in threaded connection with the first rotating shaft 1, and the first notch sleeve 5 and the base 3 are attached through the cover plate 9; base 3, second breach sleeve 6 and apron 9 laminate the setting in proper order along the axis direction of second axis of rotation 2, and fastening nut 10 and 2 spiro unions of second axis of rotation are laminated the setting with second breach sleeve 6 and base 3 through apron 9.
further, as shown in fig. 1 and 2, the device further comprises a concave cam 11; the concave cam 11 is annular and is sleeved with the first rotating shaft 1 and the second rotating shaft 2; the concave-convex wheel 11 is positioned between the cover plate 9 and the fastening nut 10; an engagement structure is arranged between the concave-convex wheel 11 and the abutting surface of the cover plate 9, and the concave-convex wheel 11 is prevented from rotating around the axis of the concave-convex wheel 11 relative to the cover plate 9.
Further, as shown in fig. 1 and 2, a bowl-shaped gasket 12 is also included; the bowl-shaped gasket 12 is sleeved on the first rotating shaft 1 and the second rotating shaft 2 and is positioned between the concave cam 11 and the fastening nut 10.
The utility model also provides a notebook computer, including the biax substep rotation hinge of host computer control module, display screen module and the arbitrary embodiment of the aforesaid, wherein, host computer control module and 1 fixed connection of first axis of rotation, display screen module and 2 fixed connection of second axis of rotation.
to sum up, the utility model discloses a hinge is rotated step by step to biax utilizes locking device to fall into two processes with the rotation process each other of first axis of rotation 1 and second axis of rotation 2: first axis of rotation 1 rotates certain angle for second axis of rotation 2, and second axis of rotation 2 rotates certain angle for first axis of rotation 1 again, is convenient for operation and use more.
The utility model discloses a notebook computer adopts above-mentioned biax substep to rotate hinge structure, and the display screen module need not synchronous rotation with the host computer control module, uses more in a flexible way, and it is more convenient to operate.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A double-shaft stepped rotating hinge is characterized by comprising a first rotating shaft, a second rotating shaft, a base and a locking device;
The first rotating shaft and the second rotating shaft penetrate through the base in parallel;
the locking device is movably arranged in the base and has two positioning states:
In a first state, the locking device abuts against the first rotating shaft and is used for limiting the first rotating shaft to rotate; in the second state, the locking device abuts against the second rotating shaft and is used for limiting the rotation of the second rotating shaft.
2. The double-shaft stepped rotary hinge according to claim 1, wherein the locking means comprises a limit catch, a middle section of the limit catch is hinged to the base, and both ends of the limit catch are respectively provided with a first arc-shaped protrusion and a second arc-shaped protrusion;
A first notch sleeve is fixedly sleeved on the first rotating shaft in the circumferential direction, and a first arc-shaped groove matched with the first arc-shaped protrusion is formed in the outer ring surface of the first notch sleeve; in a first state, the first arc-shaped bulge is meshed with the first arc-shaped groove;
A second gap sleeve is fixedly sleeved on the circumferential direction of the second rotating shaft, and a second arc-shaped groove matched with the second arc-shaped bulge is formed in the outer ring surface of the second gap sleeve; in a second state, the second arcuate protuberance engages the second arcuate recess.
3. The dual axis stepped rotary hinge of claim 2, wherein said limit catch comprises an open ring, a left leg and a right leg;
The opening circular ring is hinged with one cylinder of the base through an inner ring surface, and the left support rod and the right support rod are respectively connected with two ends of the opening circular ring; the end of the left supporting rod is provided with the first arc-shaped protrusion, and the end of the right supporting rod is provided with the second arc-shaped protrusion.
4. The dual axis stepped rotary hinge of claim 2, wherein said limit stop comprises a swing lever, a left leg and a right leg;
The swing rod is hinged with one cylinder of the base, and the left support rod and the right support rod are respectively connected with the free end of the swing rod; the end of the left supporting rod is provided with the first arc-shaped protrusion, and the end of the right supporting rod is provided with the second arc-shaped protrusion.
5. The dual-axis stepped rotary hinge according to claim 1, wherein the locking device comprises a limiting straight rod movably arranged on the base along a length direction thereof, and a first arc-shaped protrusion and a second arc-shaped protrusion are respectively arranged at two ends of the limiting straight rod;
a first notch sleeve is fixedly sleeved on the first rotating shaft in the circumferential direction, and a first arc-shaped groove matched with the first arc-shaped protrusion is formed in the outer ring surface of the first notch sleeve; in a first state, the first arc-shaped bulge is meshed with the first arc-shaped groove;
A second gap sleeve is fixedly sleeved on the circumferential direction of the second rotating shaft, and a second arc-shaped groove matched with the second arc-shaped bulge is formed in the outer ring surface of the second gap sleeve; in a second state, the second arcuate protuberance engages the second arcuate recess.
6. The dual-axis stepped rotary hinge according to any one of claims 2 to 5, wherein the locking device further comprises a first limit ring and a second limit ring;
The first limiting ring is attached to the base and fixedly sleeved on the first rotating shaft, a first bump is arranged on the outer ring surface of the first limiting ring, and a first stop block is correspondingly arranged on the base; the first stop block is attached to the first bump to limit the rotation of the first rotating shaft;
the second limiting ring is attached to the base and fixedly sleeved on the second rotating shaft, a second convex block is arranged on the outer ring surface of the second limiting ring, and a second stop block is correspondingly arranged on the base; the second stop block is attached to the second protruding block and can limit the second rotating shaft to rotate.
7. The dual axis stepped rotary hinge of claim 6, further comprising a cover plate and a fastening nut; the cover plate is sleeved on the first rotating shaft and the second rotating shaft, and the first rotating shaft and the second rotating shaft can rotate around respective axes relative to the cover plate;
The base, the first notch sleeve and the cover plate are sequentially attached along the axis direction of the first rotating shaft, the fastening nut is in threaded connection with the first rotating shaft, and the first notch sleeve is attached to the base through the cover plate;
the base the second breach sleeve with the apron is followed the axis direction of second axis of rotation laminates the setting in proper order, fastening nut with second axis of rotation spiro union, through the apron will the second breach sleeve with the base laminating sets up.
8. the dual axis stepped rotary hinge of claim 7, further comprising a concave cam; the concave cam is annular and is sleeved with the first rotating shaft and the second rotating shaft; the concave cam is positioned between the cover plate and the fastening nut; and an engagement structure is arranged between the concave cam and the abutting surface of the cover plate, so that the concave cam is prevented from rotating around the axis of the concave cam relative to the cover plate.
9. The dual axis stepped rotary hinge of claim 8, further comprising a bowl shaped spacer; the bowl-shaped gasket is sleeved with the first rotating shaft and the second rotating shaft and is positioned between the concave cam and the fastening nut.
10. A notebook computer, comprising a host control module, a display screen module and the dual-axis stepped rotation hinge according to any one of claims 1 to 9, wherein the host control module is fixedly connected to the first rotation axis, and the display screen module is fixedly connected to the second rotation axis.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920610773.XU CN209781448U (en) | 2019-04-29 | 2019-04-29 | double-shaft stepping rotating hinge and notebook computer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920610773.XU CN209781448U (en) | 2019-04-29 | 2019-04-29 | double-shaft stepping rotating hinge and notebook computer |
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| CN209781448U true CN209781448U (en) | 2019-12-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718954A (en) * | 2022-03-29 | 2022-07-08 | 联想(北京)有限公司 | Rotating shaft device, rotating method and electronic equipment |
| TWI838981B (en) * | 2022-11-25 | 2024-04-11 | 鑫禾科技股份有限公司 | Double-axis hinge with flexible screen implementation |
-
2019
- 2019-04-29 CN CN201920610773.XU patent/CN209781448U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718954A (en) * | 2022-03-29 | 2022-07-08 | 联想(北京)有限公司 | Rotating shaft device, rotating method and electronic equipment |
| CN114718954B (en) * | 2022-03-29 | 2023-08-18 | 联想(北京)有限公司 | Rotating shaft device, rotating method and electronic equipment |
| TWI838981B (en) * | 2022-11-25 | 2024-04-11 | 鑫禾科技股份有限公司 | Double-axis hinge with flexible screen implementation |
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