Rotary hinge and electronic device

Abstract

This disclosure relates to the field of hinge technology, providing a rotary hinge and an electronic device. The rotary hinge includes a hinge shaft body, a rotating component, and a driving component. The hinge shaft body extends along a first direction, with one end forming a connecting end. The rotating component has a mounting portion along the first direction for connection to the connecting end, and the rotating component has a rotation axis along a second direction. The driving component is drively connected to the rotating component and is used to drive the rotating component to rotate around the second direction. The first direction and the second direction are perpendicular to each other. The hinge shaft body has a mounting bracket for mounting the device to be rotated. The mounting bracket can rotate with the hinge shaft body around the first direction or with the rotating component around the second direction. This electronic device, including the rotary hinge, allows for independent reciprocating rotation of the device to be rotated along two mutually perpendicular directions. When applied to a laptop computer, it can effectively achieve screen rotation relative to the chassis plane and realize the beneficial effects of screen camera for face tracking technology.

Description

Technical Field

[0001] This disclosure relates to the field of hinge technology, and more particularly to a rotary hinge and electronic device. Background Technology

[0002] In recent years, laptop designs have become increasingly diverse and multifunctional. For example, with the application of face tracking technology, some laptop screens, in addition to rotating and opening normally relative to the chassis, also need to be able to rotate in real time on a horizontal plane relative to the chassis so that the camera on the screen can track and capture facial images from various angles.

[0003] Traditional hinges with only a rotating function cannot meet the above-mentioned requirements of laptops. Therefore, there is an urgent need for a new type of hinge with a rotating function to better solve the problem of laptop screens being able to rotate in real time relative to the chassis plane in existing technologies. Summary of the Invention

[0004] This disclosure provides a rotary hinge and an electronic device to solve the problem that existing hinges with only a single rotation function cannot allow the screen to rotate in a plane relative to the device body.

[0005] The rotary hinge provided in this disclosure includes a hinge shaft body, a rotating assembly, and a driving assembly;

[0006] The hinge shaft body extends along the first direction, and one end forms a connecting end;

[0007] The rotating assembly has a mounting portion for connecting the connecting end along the first direction, and the rotating assembly has a rotation axis along the second direction;

[0008] The driving component is connected to the rotating component in a transmission manner, and is used to drive the rotating component to rotate around the second direction;

[0009] Wherein, the first direction and the second direction are perpendicular to each other;

[0010] The hinge shaft body has a mounting bracket for mounting the device to be rotated.

[0011] The mounting bracket can rotate with the hinge body about the first direction or with the rotating assembly about the second direction.

[0012] In one embodiment, the rotating assembly includes a rotating frame, a fixed frame, and a transmission gear set;

[0013] The rotating frame has a rotation axis extending along the second direction;

[0014] The fixing frame is fixedly installed at the installation position and has an insertion hole for inserting the rotating shaft.

[0015] The transmission gear set is mounted on the circumferential surface of the rotating shaft and is connected to the drive assembly for transmission.

[0016] The drive assembly can drive the rotating frame to reciprocate around the second direction via the transmission gear set.

[0017] In one embodiment, the transmission gear set includes a synchronized transmission helical gear and an encoder synchronizing wheel;

[0018] The transmission helical gear is correspondingly meshed with the drive assembly;

[0019] The rotating assembly is also provided with an encoder gear for detecting the rotation angle of the rotating frame;

[0020] The encoder gear is meshed with the encoder synchronizing wheel.

[0021] In one embodiment, the rotating assembly further includes a locking structure disposed above the transmission helical gear;

[0022] The locking structure is provided with a first limiting locking point and a second limiting locking point along its own diameter direction;

[0023] The rotating frame is provided with a trigger part facing the locking structure;

[0024] When the rotating frame is at the beginning and end of its rotation stroke, the triggering part is respectively limited and locked by the first limiting point and the second limiting point.

[0025] In one possible implementation, the rotating assembly further includes a torsion plate;

[0026] The torque plate is sleeved on the end of the rotating shaft away from the fixed frame and is limited and installed on the rotating shaft by the torque locking component;

[0027] The torsion plate can store or release torsional elasticity when the rotating shaft rotates.

[0028] In one possible implementation, the drive assembly includes a drive motor, a gearbox, and a worm gear;

[0029] The output shaft end of the drive motor is connected to the gearbox;

[0030] The worm gear is connected to the output shaft end of the gearbox.

[0031] In one possible implementation, the drive motor and the gearbox are connected in two sets for corresponding transmission connections;

[0032] Furthermore, the two sets of drive motors and the gearbox are symmetrically arranged at both ends of the worm gear.

[0033] In one embodiment, the rotating assembly further includes a gear support for supporting and protecting the transmission gear set;

[0034] The gear support is located at the end of the rotating shaft away from the fixed frame and is fixedly connected to the fixed frame by connecting screws.

[0035] In one embodiment, two mounting portions are symmetrically arranged about the center of the rotating assembly along the first direction;

[0036] Each of the mounting parts is respectively connected to a hinge shaft body.

[0037] In addition, this disclosure also provides an electronic device, which includes a device body, a display screen and the aforementioned rotary hinge;

[0038] The display screen is movably connected to the device body via the rotating hinge.

[0039] The technical solution provided in this disclosure has the following advantages compared with the prior art:

[0040] The rotary hinge provided in this embodiment has a hinge shaft body that can drive the component to be installed to rotate around a first direction; the rotary assembly has a rotation axis along a second direction, and the drive assembly is connected to the rotary assembly in a transmission manner and can drive the rotary assembly to rotate around the second direction. Thus, when the rotary assembly is driven to rotate around the second direction, the hinge shaft body and the component to be installed can rotate together around the second direction, thereby realizing the relative rotation of the component to be installed in the horizontal plane.

[0041] This rotary hinge not only enables the device to rotate back and forth along the hinge body in a first direction, but also enables the device to rotate back and forth along the rotating component in a second direction. This allows the device to rotate independently in two mutually perpendicular directions. When applied to a laptop screen, it can effectively enable the screen to rotate relative to the body plane and achieve the beneficial effects of the screen camera on face tracking technology.

[0042] In addition, the electronic device provided in this disclosure includes the above-described rotary hinge, which can achieve the same beneficial effects, and will not be described in detail here.

[0043] It should be understood that the description in this section is not intended to identify key or essential features of the embodiments of this disclosure, nor is it intended to limit the scope of this disclosure. Other features of this disclosure will become readily apparent from the following description. Attached Figure Description

[0044] The above and other objects, features, and advantages of this disclosure will become readily apparent from the following detailed description of exemplary embodiments, taken in conjunction with the accompanying drawings. Several embodiments of this disclosure are illustrated in the drawings by way of example and not limitation, in which:

[0045] In the accompanying drawings, the same or corresponding reference numerals indicate the same or corresponding parts.

[0046] Figure 1 A perspective view of a rotary hinge provided in an embodiment of the present disclosure is shown;

[0047] Figure 2 A perspective view (excluding the mounting frame) of a rotary hinge provided in an embodiment of this disclosure is shown;

[0048] Figure 3 A perspective half-sectional view of a rotary hinge provided in an embodiment of the present disclosure is shown;

[0049] Figure 4 A vertical half-sectional view of a rotary hinge provided in an embodiment of the present disclosure is shown;

[0050] Figure 5 A bottom perspective view of a rotary hinge provided in an embodiment of this disclosure is shown;

[0051] Figure 6 A perspective view of an electronic device provided in an embodiment of this disclosure is shown.

[0052] The following are the labels in the diagram: 1. Hinge shaft body; 11. Mounting bracket; 2. Rotating assembly; 21. Rotating frame; 211. Mounting part; 212. Rotating shaft; 22. Fixing bracket; 23. Transmission gear set; 231. Transmission helical gear; 232. Encoder synchronous pulley; 233. Gear support; 24. Encoder gear; 25. Locking structure; 26. Torque plate; 261. Torque locking component; 3. Drive assembly; 31. Drive motor; 32. Gearbox; 33. Worm gear; 4. Equipment body; 5. Display screen; X, First direction; Z, Second direction. Detailed Implementation

[0053] To make the objectives, features, and advantages of this disclosure more apparent and understandable, the technical solutions in the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this disclosure, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this disclosure without creative effort are within the scope of protection of this disclosure.

[0054] The embodiments of this disclosure will now be described in detail with reference to the accompanying drawings.

[0055] Combination Figure 1 and Figure 2 As shown, this embodiment of the present disclosure provides a rotary hinge, which includes a hinge shaft body 1, a rotating component 2, and a driving component 3; the hinge shaft body 1 extends along a first direction X, and one end forms a connecting end; the rotating component 2 has a mounting portion 211 for connecting the connecting end along the first direction X, and the rotating component 2 has a rotation axis along a second direction Z; the driving component 3 is connected to the rotating component 2 for driving the rotating component 2 to rotate around the second direction Z;

[0056] Wherein, the first direction X and the second direction Z are perpendicular to each other; the hinge body 1 has a mounting bracket 11 for mounting the device to be rotated; the mounting bracket 11 can rotate with the hinge body 1 around the first direction X, or rotate with the rotating component 2 around the second direction Z.

[0057] This rotating hinge can be specifically applied to, but is not limited to, laptop screen hinges. Taking this as an example, the usage process will be explained.

[0058] In practical use, the hinge body 1 is first connected to the mounting part 211 of the rotating component 2, and then the screen to be installed is fixed to the mounting bracket 11 in the hinge body 1. In this way, the screen can rotate with the hinge body 1 around the first direction X, realizing the normal opening and closing function of the screen. Since the rotating component 2 has a rotation axis along the second direction Z, and the drive component 3 is connected to the rotating component 2, it can drive the rotating component 2 to rotate around the second direction Z. In this way, the fixing bracket 22 in the rotating component 2 can be installed in the body of the laptop. When the drive component 3 drives the rotating component 2 to rotate around the second direction Z, the hinge body 1 and the screen can rotate together around the second direction Z, realizing the rotation of the screen relative to the computer body in the horizontal plane, thereby making the camera in the laptop screen swing left and right to realize the camera's face tracking technology.

[0059] Of course, the rotating component 2 can be driven by the driving component 3 to rotate around the second direction Z through automatic electronic control; the rotating component 2 can also be manually rotated around the second direction Z by the user by manually pushing the screen left and right, fully ensuring the diversity of the rotating component 2's reciprocating rotation around the second direction Z.

[0060] In summary, the rotary hinge provided in this embodiment can not only realize the reciprocating rotation of the device to be rotated with the hinge shaft body 1 around the first direction X, but also realize the reciprocating rotation of the device to be rotated with the rotating component 2 around the second direction Z. Thus, the device to be rotated can independently reciprocate along two mutually perpendicular directions. When applied to a laptop screen, it can effectively realize the rotation of the screen relative to the body plane and achieve the beneficial effect of the screen camera on face tracking technology.

[0061] In one embodiment, the rotating assembly 2 includes a rotating frame 21, a fixed frame 22, and a transmission gear set 23; the rotating frame 21 has a rotating shaft 212 extending along the second direction Z; the fixed frame 22 is fixedly installed at the installation position and has an insertion hole for inserting the rotating shaft 212; the transmission gear set 23 is installed and sleeved on the circumferential surface of the rotating shaft 212 and is connected to the drive assembly 3 for transmission; wherein, the drive assembly 3 can drive the rotating frame 21 to reciprocate around the second direction Z through the transmission gear set 23.

[0062] Specifically, in combination Figure 1 and Figure 2 In further detail, the rotating component 2 is specifically configured to include a rotating frame 21, a fixed frame 22, and a transmission gear set 23. The rotating frame 21 has a rotating shaft 212 extending along the second direction Z. The transmission gear set 23 is mounted on the circumferential surface of the rotating shaft 212 and is connected to the driving component 3 for transmission. Thus, when the driving component 3 drives the transmission gear set 23 to rotate, it can correspondingly drive the rotating frame 21 to reciprocate around the rotating shaft 212.

[0063] Furthermore, the fixed frame 22 is fixedly installed at the installation position and has an insertion hole for the rotating shaft 212 to be inserted. This achieves both the limiting installation of the rotating component 2 and the insertion and engagement of the rotating shaft 212 through the insertion hole, so that the rotating shaft 212 can only reciprocate around the second direction Z in the insertion hole, thus achieving efficient limiting and positioning of the rotating frame 21.

[0064] The specific arrangement of the rotating component 2 described above has the advantages of simple structure and stable ability to drive the hinge shaft body 1 to reciprocate around the second direction Z.

[0065] In one embodiment, the transmission gear set 23 includes a synchronously fitted transmission helical gear 231 and an encoder synchronizing wheel 232; the transmission helical gear 231 is correspondingly meshed with the drive assembly 3; the rotating assembly 2 is also provided with an encoder gear 24 for detecting the rotation angle of the rotating frame 21; the encoder gear 24 is correspondingly meshed with the encoder synchronizing wheel 232.

[0066] Specifically, in combination Figure 2In further detail, the transmission gear set 23 includes a synchronously fitted transmission helical gear 231 and an encoder synchronous wheel 232. The transmission helical gear 231 is meshed with the drive component 3, and the encoder synchronous wheel 232 is meshed with the encoder gear 24 used to detect the rotation angle of the rotating frame 21. In this way, when the drive component 3 drives the transmission helical gear 231 to rotate a certain angle, the encoder synchronous wheel 232 will rotate synchronously and the rotation angle will be accurately detected by the encoder gear 24. This avoids the transmission gear set 23 from rotating too much and exceeding the preset range of the rotating component 2. Moreover, the encoder gear 24 can also be electrically connected to the drive component 3 for feedback control of the working state of the drive component 3.

[0067] In addition, the absolute value encoder in the encoder gear 24 can determine the horizontal angle of the rotating frame 21 in real time, ensuring that the rotating frame 21 is always within the preset angle range.

[0068] The specific arrangement of the aforementioned transmission gear set 23 and encoder gear 24 has the beneficial effects of stable transmission, accurate detection of the real-time angle of the rotating frame 21, and ensuring that it is within the preset angle range.

[0069] In one embodiment, the rotating assembly 2 further includes a locking structure 25 disposed above the transmission helical gear 231; the locking structure 25 is provided with a first limiting locking point and a second limiting locking point along its own diameter direction; the rotating frame 21 is provided with a trigger part facing the locking structure 25; when the rotating frame 21 is at the beginning and end positions of the rotation stroke, the trigger part is respectively limited and locked by the first limiting locking point and the second limiting locking point.

[0070] Specifically, in combination Figure 2 In further detail, the rotating assembly 2 also includes a locking structure 25 disposed above the transmission helical gear 231. The locking structure 25 has a first limiting locking point and a second limiting locking point along its own diameter direction, and the rotating frame 21 is provided with a trigger portion facing the locking structure 25. In this way, when the rotating frame 21 is at the beginning and end positions of the rotation stroke, the trigger portion can be locked by the first limiting locking point and the second limiting locking point respectively, so that the rotating frame 21 can be locked at the beginning and end positions of the rotation stroke, preventing the rotating frame 21 from exceeding the beginning and end positions during rotation.

[0071] The specific arrangement of the aforementioned locking structure 25 has the advantages of simple structure and the ability to limit and lock the starting and ending positions of the rotating frame 21.

[0072] In one embodiment, the rotating assembly 2 further includes a torsion plate 26; the torsion plate 26 is sleeved on the end of the rotating shaft 212 away from the fixed frame 22 and is limited and installed on the rotating shaft 212 by a torsion locking member 261; the torsion plate 26 can store or release torsional elastic force when the rotating shaft 212 rotates.

[0073] Specifically, in combination Figure 3 and Figure 4 In further detail, a torque plate 26 is also provided in the rotating component 2, and the torque plate 26 is sleeved on the end of the rotating shaft 212 away from the fixed frame 22, and is limited and installed on the rotating shaft 212 by the torque locking member 261. The torque plate 26 can store or release torsional elastic force when the rotating shaft 212 rotates.

[0074] In this way, when the rotating frame 21 is rotated around the rotating shaft 212 in manual mode, the transmission gear set 23 remains stationary, but the external force can overcome the torsional elasticity of the torsion plate 26, so that the rotating frame 21 can be rotated accordingly. When the drive assembly 3 drives the rotating frame 21 to rotate around the rotating shaft 212 in electric mode, the transmission gear set 23 is driven, and the torsional elasticity of the torsion plate 26 is greater than the load resistance of the rotating assembly 2, so the rotating frame 21 is driven to rotate around the rotating shaft 212 by the motor in the drive assembly 3.

[0075] The specific arrangement of the torque plate 26 allows the rotating component 2 to switch randomly between manual drive and electric drive without affecting each other.

[0076] In one embodiment, the drive assembly 3 includes a drive motor 31, a gearbox 32, and a worm gear 33; the output shaft of the drive motor 31 is connected to the gearbox 32; and the output shaft of the gearbox 32 is connected to the worm gear 33.

[0077] Specifically, in combination Figure 2 In further detail, the drive assembly 3 includes a drive motor 31, a gearbox 32, and a worm gear 33. The output shaft of the drive motor 31 is connected to the gearbox 32, which allows for adjustment of the output torque of the drive motor 31. The output shaft of the gearbox 32 is connected to the worm gear 33, which meshes with the helical gear 231 in the transmission gear set 23. Thus, when the drive motor 31 is energized and rotates, it can stably transmit the driving force to the transmission gear set 23 of the rotating assembly 2, thereby stably driving the rotating frame 21 to rotate around the rotation axis 212.

[0078] In one embodiment, two sets of drive motors 31 and gearboxes 32 are connected in a corresponding transmission connection; and the two sets of drive motors 31 and gearboxes 32 are symmetrically arranged at both ends of the worm gear 33.

[0079] Specifically, in combination Figure 2 To elaborate further, two sets of drive motors 31 and gearboxes 32 are connected in a corresponding transmission configuration, and the two sets of drive motors 31 and gearboxes 32 are symmetrically arranged at both ends of the worm gear 33. This allows the two sets of drive motors 31 to drive one worm gear 33 simultaneously and synchronously, ensuring that the worm gear 33 can generate a sufficiently stable and large torque to act on the transmission helical gear 231.

[0080] In one embodiment, the rotating assembly 2 further includes a gear support 233 for supporting and protecting the transmission gear set 23; the gear support 233 is disposed at the end of the rotating shaft 212 away from the fixed frame 22 and is fixedly connected to the fixed frame 22 by connecting screws.

[0081] Specifically, in combination Figure 5 In further detail, a gear support 233 is also provided in the rotating assembly 2 to support and protect the transmission gear set 23. The gear support 233 is located at the end of the rotating shaft 212 away from the fixed frame 22 and is fixedly connected to the fixed frame 22 by connecting screws. In this way, the gear support 233 can support and limit the transmission gear set 23 along the axial direction of the rotating shaft 212, so as to avoid the problem of meshing misalignment and transmission failure of the transmission gear set 23 after long-term use. In addition, the gear support 233 can also prevent external debris from entering the transmission gear set 23 and prevent the transmission gear set 23 from accidentally jamming.

[0082] In one embodiment, two mounting portions 211 are symmetrically arranged along the first direction X about the center of the rotating component 2; each mounting portion 211 is respectively connected to a hinge shaft body 1.

[0083] Specifically, in combination Figure 2 In further detail, the mounting parts 211 are specifically configured as two symmetrically spaced about the center of the rotating component 2 along the first direction X, and each mounting part 211 is respectively connected to a hinge shaft body 1. This can further improve the installation stability of the hinge shaft body 1 on the device to be rotated, as well as the force balance of the device to be rotated when it rotates around the second direction Z.

[0084] In addition, this disclosure also provides an electronic device, which includes a device body 4, a display screen 5 and the aforementioned rotary hinge; the display screen 5 is movably connected to the device body 4 via the rotary hinge.

[0085] Specifically, in combination Figure 6To elaborate further, the electronic device may be, but is not limited to, a laptop computer, and its display screen 5 is movably connected to the device body 4 via the aforementioned rotating hinge. Therefore, the electronic device can achieve all the beneficial effects of the aforementioned rotating hinge, which will not be elaborated further here.

[0086] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this disclosure, "a plurality of" means two or more, unless otherwise explicitly specified.

[0087] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A rotary hinge, characterized in that, include: The hinge body (1) extends along the first direction (X) and forms a connecting end at one end; The rotating assembly (2) has a mounting portion (211) for connecting the connecting end along the first direction (X), and the rotating assembly (2) has a rotation axis along the second direction (Z); The drive component (3) is connected to the rotating component (2) for driving the rotating component (2) to rotate around the second direction (Z); Wherein, the first direction (X) and the second direction (Z) are perpendicular to each other; The hinge body (1) has a mounting bracket (11) for mounting the device to be rotated. The mounting bracket (11) is capable of rotating with the hinge body (1) about the first direction (X) or with the rotating assembly (2) about the second direction (Z); The drive assembly (3) includes a drive motor (31), a gearbox (32), and a worm gear (33). The output shaft end of the drive motor (31) is connected to the gearbox (32). The worm gear (33) is connected to the output shaft end of the gearbox (32); The drive motor (31) and the gearbox (32) are connected in two sets for transmission. Furthermore, the two sets of drive motors (31) and the gearbox (32) are symmetrically arranged at both ends of the worm gear (33); The rotating assembly (2) includes a rotating frame (21) and a torsion plate (26); The rotating assembly (2) further includes a locking structure (25), which has a first limiting locking point and a second limiting locking point respectively along its own diameter direction; The rotating frame (21) is provided with a trigger portion facing the locking structure (25); When the rotating frame (21) is at the beginning and end of the rotation stroke, the triggering part is respectively limited and locked by the first limiting point and the second limiting point; The rotating frame (21) has a rotating shaft (212) extending along the second direction (Z). The torque plate (26) is sleeved on the end of the rotating shaft (212) away from the fixed frame (22) and is limited and installed on the rotating shaft (212) by the torque locking member (261). The torsion plate (26) can store or release torsional elastic force when the rotating shaft (212) rotates, and the torsional elastic force of the torsion plate (26) is greater than the load resistance of the rotating assembly (2).

2. The rotary hinge according to claim 1, characterized in that, The rotating component (2) includes: The fixing frame (22) is fixedly installed at the installation position and has an insertion hole for the rotating shaft (212) to be inserted. The transmission gear set (23) is installed on the circumferential surface of the rotating shaft (212) and is connected to the drive assembly (3) in a transmission manner; The drive assembly (3) can drive the rotating frame (21) to reciprocate around the second direction (Z) via the transmission gear set (23).

3. The rotary hinge according to claim 2, characterized in that, The transmission gear set (23) includes a synchronously fitted transmission helical gear (231) and an encoder synchronous pulley (232). The transmission helical gear (231) is correspondingly meshed with the drive assembly (3); The rotating assembly (2) is also provided with an encoder gear (24) for detecting the rotation angle of the rotating frame (21). The encoder gear (24) is meshed with the encoder synchronous wheel (232).

4. The rotary hinge according to claim 2, characterized in that, The rotating assembly (2) also includes a gear support (233) for supporting and protecting the transmission gear set (23). The gear support (233) is located at one end of the rotating shaft (212) away from the fixed frame (22) and is fixedly connected to the fixed frame (22) by connecting screws.

5. The rotary hinge according to any one of claims 1 to 4, characterized in that, Two mounting portions (211) are symmetrically arranged about the center of the rotating assembly (2) along the first direction (X); Each of the mounting parts (211) is respectively connected to a hinge body (1).

6. An electronic device, characterized in that, Includes the device body (4), the display screen (5), and the rotary hinge as described in any one of claims 1 to 5; The display screen (5) is movably connected to the device body (4) via the rotating hinge.

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