CN219366568U - Hinge with one-key opening and free stopping functions - Google Patents
Hinge with one-key opening and free stopping functions Download PDFInfo
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- CN219366568U CN219366568U CN202222775551.8U CN202222775551U CN219366568U CN 219366568 U CN219366568 U CN 219366568U CN 202222775551 U CN202222775551 U CN 202222775551U CN 219366568 U CN219366568 U CN 219366568U
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Abstract
The utility model provides a hinge with one-key opening and free parking, which comprises a rotary connecting structure, wherein the rotary connecting structure comprises a rotary connecting arm, an elastic mechanism which plays a role of a torsion spring and a role of a pressure spring, an end cam, a cam connecting mechanism and a rotary resistance torque mechanism. According to the utility model, after the mobile terminal is opened, the mobile terminal is directly driven to be opened to a working angle or close to the working angle by the elastic mechanism, a free stopping function of stopping rotation at any time and positioning the current angle at any time is provided in the working angle range, and the scheme can be suitable for folding mobile terminals with flexible screens and non-flexible screens, can also be used for connecting the mobile terminal with a bracket of the mobile terminal, and has wide application range.
Description
Technical Field
The present utility model relates to a hinge, and more particularly, to a hinge of a mobile terminal, particularly, a hinge of a folder type mobile terminal, which may be a mobile phone, a computer, etc.
Background
For a folder type mobile terminal, there is a need for a user to hover over a range of opening angles. The traditional solution is to use friction hinges, so that the friction hinges have the function of stopping at any time and positioning the current angle at any time. However, this function, when opened, can only be opened gradually by hand for non-working angles, and cannot be skipped one step to reach or approach the usual working angle directly.
Disclosure of Invention
The utility model aims to provide a hinge with one-key opening and free stopping, which can provide a free stopping function for directly opening to a working angle or approaching to the working angle and a working angle range, and improves the use experience. For this purpose, the utility model adopts the following technical scheme;
the hinge is characterized by comprising a rotary connecting structure, wherein the rotary connecting structure comprises a rotary connecting arm, an elastic mechanism which plays a role of a torsion spring and a role of a pressure spring, an end cam, a cam connecting mechanism and a rotary resistance torque mechanism, and the axis of the end cam is parallel to the rotary axis of the rotary connecting arm;
the end cam is axially movable but not rotatable;
the elastic mechanism is connected between a first component and a second component, the elastic mechanism is propped against the end cam, the first component is a rotating connecting arm or a component rotating synchronously with the rotating connecting arm, and the second component is a component which can not rotate;
the cam connecting mechanism is positioned between the rotary connecting arm and the end cam; the rotating connecting arm is matched with the cam connecting mechanism through a connecting neutral position, the connecting neutral position corresponds to the rotating angle of the rotating connecting arm from the folding state to the flicking angle of the hinge, so that the rotating connecting arm is not connected with the cam connecting mechanism and is driven to the flicking angle through the action of a torsion spring between the folding state and the flicking angle, and the flicking angle is larger than the minimum working angle and smaller than the maximum working angle;
the cam connecting mechanism is in compression fit with the end cam through the action of a pressure spring, the end cam is provided with a locking position for the cam connecting mechanism, the cam connecting mechanism is kept not to rotate when the cam connecting mechanism is matched in the connecting neutral position, and the rotating resistance torque mechanism comprises a friction fit structure between the cam connecting mechanism and the end cam based on the action of the pressure spring after the cam connecting mechanism is separated from the locking position;
in the rotation of the cam connecting mechanism after the cam connecting mechanism is separated from the locking position, the rotation resisting moment received by the rotation connecting arm is larger than the moment in the opening direction between the minimum working angle and the maximum working angle.
On the basis of adopting the technical scheme, the utility model can also adopt the following further technical schemes or use the further technical schemes in combination:
the cam connecting mechanism comprises a first rotating part and a second rotating part, the first rotating part and the second rotating part are connected to synchronously rotate reversely, the first rotating part and the rotating connecting arm are coaxial and are matched with each other through a key and an indexing groove to form neutral matched connection transmission, the groove walls on two sides of the indexing groove correspond to the spring opening angle with the central angle corresponding to the interval of the key in the circumferential direction, and the second rotating part is provided with a structure matched with the end cam so as to fall down to lock when the end cam is locked, and is matched with a slope surface or a platform surface of the end cam after the end cam is separated from the locking position to compress the elastic mechanism.
The first rotating piece and the second rotating piece are both cylinders and are connected through steel balls, spiral grooves with opposite rotation directions are formed in the side faces of the first rotating piece and the second rotating piece, and two sides of the steel balls fall into the spiral grooves of the first rotating piece and the second rotating piece respectively.
The elastic mechanism adopts a coil spring, the front surface of the coil spring presses the end face cam, two ends of the coil spring are respectively connected with the first component and the second component, and the second component is the end face cam or a component fixedly connected with the end face cam.
The hinge is provided with the rotary connecting structure positioned on the left side and the rotary connecting structure positioned on the right side, and the shafts of the rotary connecting arm positioned on the left side and the rotary connecting arm positioned on the right side are parallel. The synchronous reverse rotation connecting mechanism is connected between the rotation connecting structure and the rotation connecting structure on the right side, so that the rotation connecting arm on the left side and the rotation connecting arm on the right side synchronously rotate reversely.
The end cam of the rotary connecting structure positioned at the left side and the end cam of the rotary connecting structure positioned at the right side are connected in parallel.
The hinge is a hinge applied to a folding mobile terminal of an inward folding flexible screen, the rotating connecting arm positioned on the left side and the rotating connecting arm positioned on the right side are respectively fixedly connected with a left side shell and a right side shell of the mobile terminal or are in sliding connection through a connecting structure, and the sliding direction is perpendicular to the axis of the rotating connecting arm.
The end cam of the rotary connecting structure positioned at the left side and the end cam of the rotary connecting structure positioned at the right side are connected in parallel.
By adopting the technical scheme of the utility model, after the mobile terminal is opened, the mobile terminal can be directly driven to be opened to a working angle or close to the working angle by the elastic mechanism, and a free stopping function of stopping rotation at any time and positioning the current angle at any time is provided in the working angle range.
Drawings
Fig. 1 is an exploded view of a structure according to an embodiment of the present utility model.
Fig. 2 is a top view of an embodiment of the present utility model in a folded state.
FIG. 3 is a top view of an embodiment of the present utility model in a flattened state.
FIG. 4 is a cross-sectional view, A-A, of an embodiment of the present utility model showing the structural cooperation of the present utility model during opening and collapsing.
Fig. 5 is a side view of an embodiment of the present utility model as sprung from a fold to a sprung angle (156 deg.).
Fig. 6 is a side view of an embodiment of the present utility model at a minimum operating angle (90 deg.).
FIG. 7 is a side view of an embodiment of the present utility model at a hover operational angle (120).
Fig. 8 is a schematic view of an end cam according to an embodiment of the present utility model.
Detailed Description
Reference is made to the accompanying drawings. The utility model provides a hinge with one-key opening and free parking, which comprises a rotary connecting structure, wherein the rotary connecting structure comprises a rotary connecting arm 1 and a shaft 10 thereof, an elastic mechanism which plays a role of a torsion spring and a role of a pressure spring, an end cam 2, a cam connecting mechanism and a rotary resistance torque mechanism, wherein the axis of the end cam is parallel to the rotation axis of the rotary connecting arm 1, and in the embodiment, the shaft 10 of the rotary connecting arm is a real shaft and can also be a virtual shaft in certain implementation China.
The end cam 2 is axially movable but not rotatable. When two sets of rotation connecting mechanisms are adopted, namely the hinge is provided with the rotation connecting structure on the left side and the rotation connecting structure on the right side, the rotation connecting arm on the left side and the rotation connecting arm on the right side are parallel, the rotation connecting structure on the left side and the end face cam 2 on the rotation connecting structure on the right side can be connected together in parallel, the two sets of rotation connecting mechanisms are positioned on the left side and the right side of one integral part 20, and the integral part 20 is sleeved on the shaft 10 through a connecting hole, so that the non-rotation and axial movement of the end face cam 2 are realized.
The elastic mechanism is connected between the rotary connecting arm and the face cam 2, and the elastic mechanism abuts against the face cam 2.
The cam connecting mechanism is positioned between the rotary connecting arm 1 and the end cam 2; the rotating connecting arm 1 is matched with the cam connecting mechanism through a connecting neutral position, the connecting neutral position corresponds to the rotating angle of the rotating connecting arm from the folding state to the spring opening angle of the hinge, so that the rotating connecting arm is not connected with the cam connecting mechanism and is driven to the spring opening angle through the torsion spring effect between the folding state and the spring opening angle, and the spring opening angle is larger than the minimum working angle and smaller than the maximum working angle; in this embodiment, the minimum working angle is 90 °, the maximum working angle is 180 °, and the spring-open angle is 156 °. That is, the movement process of the present embodiment is: after the folding type free stop device is unfolded in a folding state, the included angle between the rotating connecting arm which is directly sprung to the left side and the rotating connecting arm which is positioned on the right side is 156 degrees (sprung angle), then the free stop device can rotate forward in the direction of 180 degrees and also can rotate reversely in the direction of 90 degrees, and free stop of stopping rotation at any time and positioning the current angle at any time can be obtained between 90 degrees and 180 degrees. And, it can be seen that the pop-up angle value (156 °) is equal to or greater than the difference (90 °) between the maximum operating angle and the minimum operating angle.
The cam connecting mechanism is in compression fit with the end cam 2 through the action of a pressure spring of the elastic mechanism, the end cam 2 is provided with a locking position 21 (which is a concave position) relative to the cam connecting mechanism, the cam connecting mechanism is kept not to rotate when the cam connecting mechanism is matched in the connecting neutral position, and the rotating resistance torque mechanism comprises a friction fit structure (at the moment, a cam surface matched with the end cam 2 and the cam connecting mechanism is a slope surface or a platform surface 22 outside the locking position) between the cam connecting mechanism and the end cam 2 based on the action of the pressure spring after the cam connecting mechanism is separated from the locking position. The cam connection mechanism and the end cam 2 constitute an intermittent cam. In addition, a friction assembly may be provided in the hinge, with additional friction resistance torque being generated by compression of the resilient mechanism.
In the rotation of the cam connecting mechanism after the cam connecting mechanism is separated from the locking position, the rotation resisting moment received by the rotation connecting arm 1 is larger than the moment in the opening direction between the minimum working angle and the maximum working angle. When the rotary connecting arm 1 is sprung to the spring-open angle, the rotary connecting arm 1 needs to rotate in the direction of 180 degrees firstly, so that the cam connecting mechanism is separated from the locking position 21 and enters the slope surface or the platform surface 22 which is out of the locking position 21 to be matched with the cam connecting mechanism, thereby increasing the force value acted by the pressure spring, and at the moment, the rotary connecting arm 1 always obtains the rotary resistance moment based on the matching of the cam connecting mechanism and the slope surface or the platform surface 22 by rotating forward in the direction of 180 degrees, and if the rotary connecting arm reversely rotates in the direction of 90 degrees, the rotary connecting arm does not drive the cam connecting mechanism to rotate because of the gap matching interval, and the rotary resistance moment based on the matching of the cam connecting mechanism and the slope surface or the platform surface 22 is always obtained by rotating forward in the direction of 90 degrees of the rotary connecting arm 1.
In the working angle interval, namely between the minimum working angle and the maximum working angle, the gravity of the rotating direction and the residual potential energy of the torsion spring are moments in the opening direction, and the rotation resistance moment is required to be larger than the moment, so that free stopping of stopping rotation at any time and positioning the current angle at any time is obtained. When the opening angle is smaller than 90 degrees and folding movement is performed, folding and closing work can be performed manually.
The cam connecting mechanism comprises a first rotating member 31 and a second rotating member 32, the first rotating member 31 and the second rotating member 32 are connected to synchronously rotate reversely, the first rotating member 31 and the rotating connecting arm 1 are coaxial and form a neutral matched connecting transmission through matching of a key and an indexing groove, as shown in the figure, the end part of the first rotating member 31 is provided with the indexing groove 310 along the circumferential direction, the rotating connecting arm 1 is provided with a key 11 matched with the indexing groove 310, the central angles corresponding to the central angles of the groove walls 311 and 312 on the two sides of the indexing groove 310 and the intervals of the key 11 in the circumferential direction correspond to the spring-open angles, and the second rotating member 32 is matched with the structure 321 of the end cam 2 so as to fall down to be locked when the locking position 21 is disengaged, and is matched with the slope surface or the platform surface matched 22 of the end cam 2.
The first rotating member 31 and the second rotating member 32 are both cylindrical and connected through steel balls 4, spiral grooves 41 and 42 with opposite rotation directions are formed in the side surfaces of the first rotating member 31 and the second rotating member 32, and two sides of the steel balls 4 fall into the spiral grooves 41 and 42 of the first rotating member 31 and the second rotating member 32 respectively. Therefore, the cam structure not only plays a role in rotary connection, but also can enlarge the rotation angle through designing the groove structure with different slopes, and the strength of the cam structure is enhanced.
The elastic mechanism adopts a spiral spring 5, and the front surface of the spiral spring presses the end cam 2, so that the cam connecting mechanism is in compression fit with the end cam 2; the two ends of the spiral spring 5 are simultaneously and respectively connected with the rotary connecting arm 1 and the end cam 2, and the connection mode of the torsion spring and the unidirectional spring opening function thereof are added under the generation mode of force.
In this embodiment, the hinge is a hinge applied to a folding mobile terminal with an inward folded flexible screen, where the rotating connecting arm 1 located on the left side and the rotating connecting arm 1 located on the right side are fixedly connected with the left side casing and the right side casing of the mobile terminal or slidingly connected through a connecting structure, and the sliding direction is perpendicular to the axis of the rotating connecting arm 1. The synchronous reverse rotation connecting mechanism is connected between the rotation connecting structure and the rotation connecting structure on the right side, so that the rotation connecting arm 1 on the left side and the rotation connecting arm 1 on the right side synchronously rotate reversely, and the synchronous reverse rotation connecting mechanism adopts a gear connecting mechanism 6. In this embodiment, the left and right rotary connecting arms 1 are slidably connected to the left and right housings of the mobile terminal, wherein the reference numeral 71 is a sliding connecting frame slidably connected to the rotary connecting arms, the left and right housings are fixedly connected to the left and right sliding connecting frames, the reference numeral 72 is a push rod, one end of the push rod is rotatably connected to the middle bracket 100 of the mobile terminal, and the other end of the push rod is movably connected to the sliding connecting frame 71 through a slot and pin matching structure. The shaft 10 is mounted on the intermediate bracket 100.
The above embodiments are merely examples of the present utility model, but the present utility model is not limited thereto, and any changes or modifications made by those skilled in the art are included in the scope of the present utility model.
It is noted that the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the foregoing drawings are intended to cover non-exclusive inclusions. The terms "mounted," "configured," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be understood that the terms "one end," "another end," "outer side," "inner side," "horizontal," "end," "length," "outer end," "left," "right," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. The terms "first," "second," and the like, are also used for simplicity of description only and are not indicative or implying relative importance.
Claims (9)
1. The hinge is characterized by comprising a rotary connecting structure, wherein the rotary connecting structure comprises a rotary connecting arm, an elastic mechanism which plays a role of a torsion spring and a role of a pressure spring, an end cam, a cam connecting mechanism and a rotary resistance torque mechanism, and the axis of the end cam is parallel to the rotary axis of the rotary connecting arm;
the end cam is axially movable but not rotatable;
the elastic mechanism is connected between a first component and a second component, the elastic mechanism is propped against the end cam, the first component is a rotating connecting arm or a component rotating synchronously with the rotating connecting arm, and the second component is a component which can not rotate;
the cam connecting mechanism is positioned between the rotary connecting arm and the end cam; the rotating connecting arm is matched with the cam connecting mechanism through a connecting neutral position, the connecting neutral position corresponds to the rotating angle of the rotating connecting arm from the folding state to the flicking angle of the hinge, so that the rotating connecting arm is not connected with the cam connecting mechanism and is driven to the flicking angle through the action of a torsion spring between the folding state and the flicking angle, and the flicking angle is larger than the minimum working angle and smaller than the maximum working angle;
the cam connecting mechanism is in compression fit with the end cam through the action of a pressure spring, the end cam is provided with a locking position for the cam connecting mechanism, the cam connecting mechanism is kept not to rotate when the cam connecting mechanism is matched in the connecting neutral position, and the rotating resistance torque mechanism comprises a friction fit structure between the cam connecting mechanism and the end cam based on the action of the pressure spring after the cam connecting mechanism is separated from the locking position;
in the rotation of the cam connecting mechanism after the cam connecting mechanism is separated from the locking position, the rotation resisting moment received by the rotation connecting arm is larger than the moment in the opening direction between the minimum working angle and the maximum working angle.
2. The hinge for one-key opening and free parking as claimed in claim 1, wherein the cam connection mechanism comprises a first rotating member and a second rotating member, the first rotating member and the second rotating member are connected to synchronously rotate reversely, the first rotating member and the rotating connection arm are coaxial and form a neutral matched connection transmission through matching of a key and an indexing groove, the central angles corresponding to the intervals of the groove walls of the two sides of the indexing groove and the key in the circumferential direction correspond to the spring opening angles, and the second rotating member is provided with a structure matched with the end face cam so as to fall down to lock when in locking and is matched with a slope surface or a platform surface of the end face cam after the locking is released, so that the elastic mechanism is compressed.
3. The one-key opening and free parking concurrent hinge as claimed in claim 2, wherein the first rotating member and the second rotating member are both cylinders and connected through steel balls, spiral grooves with opposite rotation directions are formed in the side surfaces of the first rotating member and the second rotating member, and two sides of the steel balls fall into the spiral grooves of the first rotating member and the second rotating member respectively.
4. The one-key opening and free-parking concurrent hinge as claimed in claim 1, wherein the elastic mechanism adopts a coil spring, the front surface of the coil spring presses the end cam, two ends of the coil spring are respectively connected with a first component and a second component, and the second component is the end cam or a component fixedly connected with the end cam.
5. A one-touch-open and free-standing hinge according to claim 1, 2, 3 or 4, wherein said hinge is provided with said rotary connecting structure on the left side and said rotary connecting structure on the right side, the axes of the rotary connecting arm on the left side and the rotary connecting arm on the right side being parallel; the synchronous reverse rotation connecting mechanism is connected between the rotation connecting structure and the rotation connecting structure on the right side, so that the rotation connecting arm on the left side and the rotation connecting arm on the right side synchronously rotate reversely.
6. A one-touch and free-standing hinge according to claim 5, wherein the end cams of the rotary connection on the left and the rotary connection on the right are connected in parallel.
7. The one-key opening and free docking concurrent hinge as claimed in claim 5, wherein the hinge is a hinge applied to an inward folding flexible screen folding mobile terminal, the rotary connecting arm on the left side and the rotary connecting arm on the right side are fixedly connected with a left side shell and a right side shell of the mobile terminal or slidingly connected through a connecting structure, and the sliding direction is perpendicular to the axis of the rotary connecting arm.
8. A one-touch and free-standing hinge according to claim 7, wherein the end cams of the rotary connection on the left and the rotary connection on the right are connected in parallel.
9. A one-touch and free-standing hinge according to claim 1, wherein said minimum operating angle is 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222775551.8U CN219366568U (en) | 2022-10-20 | 2022-10-20 | Hinge with one-key opening and free stopping functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222775551.8U CN219366568U (en) | 2022-10-20 | 2022-10-20 | Hinge with one-key opening and free stopping functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219366568U true CN219366568U (en) | 2023-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222775551.8U Active CN219366568U (en) | 2022-10-20 | 2022-10-20 | Hinge with one-key opening and free stopping functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219366568U (en) |
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2022
- 2022-10-20 CN CN202222775551.8U patent/CN219366568U/en active Active
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