Rotating mechanism of electronic equipment and composite rotating device

Abstract

The utility model relates to the field of electronic equipment spare and accessory parts, in particular to a rotating mechanism of electronic equipment and a composite rotating device.The rotating mechanism comprises movable frames, friction assemblies and a rotating shaft, the movable frames comprise the first movable frame and the second movable frame, and the friction assemblies comprise the first friction assembly and the second friction assembly; wherein the first movable frame is rotationally connected with the rotating shaft, and the second movable frame is rotationally connected with the rotating shaft; the first friction assembly and the second friction assembly are detachably connected with the first movable frame and the second movable frame correspondingly and rotationally connected with the rotating shaft. The flexibility and the stability of the electronic equipment rotating mechanism are improved.

Description

Technical Field

[0001] The present application relates to the field of electronic equipment parts and components, and in particular to a rotating mechanism and a composite rotating device of an electronic equipment. Background Art

[0002] With the rapid development of technology, mobile phones, computers, tablets, tri-fold and multi-fold electronic devices are playing an increasingly important role in people's daily lives. These electronic devices must not only have excellent performance, but also provide a good user experience.

[0003] The related technology discloses a rotating structure of an electronic device, which includes a rotating shaft, two movable frames and two friction components. The two movable frames are rotatably connected to the rotating shaft, one end of each friction component is welded and fixed to the movable frame, and the other end of each friction component is sleeved on the rotating shaft and rotatably connected to the rotating shaft.

[0004] The friction assembly in the conventional rotating mechanism is welded to the movable frame, making it difficult to replace and maintain after wear, thus shortening its service life. Furthermore, welded friction assemblies are prone to loosening under uneven load conditions, affecting the stability and reliability of the rotating mechanism and reducing the user experience. Utility Model Content

[0005] In order to solve the problems of the rotating structure in the related art, such as difficulty in replacing and maintaining friction components, uneven force and easy loosening, etc., the present application provides a rotating mechanism for an electronic device.

[0006] The present application provides a rotation mechanism of an electronic device adopting the following technical solution:

[0007] A rotation mechanism of an electronic device includes a movable frame, a friction assembly and a rotating shaft, the movable frame includes a first movable frame and a second movable frame, the friction assembly includes a first friction assembly and a second friction assembly, the first movable frame is rotatably connected to the rotating shaft, and the second movable frame is rotatably connected to the rotating shaft; one end of the first friction assembly is detachably connected to the first movable frame, and the other end of the first friction assembly is rotatably connected to the rotating shaft; one end of the second friction assembly is detachably connected to the second movable frame, and the other end of the second friction assembly is rotatably connected to the rotating shaft.

[0008] By adopting this technical solution, the first and second friction assemblies can be detachably connected to the first and second movable frames, respectively. This facilitates replacement and maintenance of the friction assemblies when they become worn, effectively extending the service life of the rotating mechanism. Furthermore, the detachable connection method, compared to welded fasteners, can better cope with uneven force, reduce the risk of loosening, and thus improve the stability and reliability of the rotating mechanism. This not only improves the user experience but also reduces maintenance costs, helping to enhance the market competitiveness of electronic equipment.

[0009] Optionally, the first friction assembly includes several first friction parts, and the second friction assembly includes several second friction parts, and the several first friction parts and the several second friction parts are alternately arranged along the length direction of the rotating shaft. One end of each first friction part is engaged with the first movable frame, and the other end of each first friction part is rotatably connected to the rotating shaft; one end of each second friction part is engaged with the second movable frame, and the other end of each second friction part is rotatably connected to the rotating shaft.

[0010] By adopting the above technical solution, the multiple first friction parts of the first friction assembly and the multiple second friction parts of the second friction assembly are alternately arranged along the length direction of the rotating shaft, respectively engaged with the first movable frame and the second movable frame, and rotatably connected to the rotating shaft. This design not only enhances the stability of the rotating mechanism and the uniformity of the friction force distribution, but also facilitates the individual replacement of a single friction part when it is worn, reduces maintenance costs, and improves the overall durability and flexibility of the rotating mechanism.

[0011] Optionally, the first friction member and the second friction member both include a first clamping portion, a connecting portion and a first damping sleeve, one end of the connecting portion is fixedly connected to one end of the first damping sleeve, the other end of the connecting portion is fixedly connected to one end of the first clamping portion, and the other end of the first clamping portion is provided with a first clamping groove; the movable frame includes a mounting block, the first clamping groove of the first friction member is used to be detachably clamped and matched with the mounting block on the first movable frame, and the first clamping groove of the second friction member is used to be detachably clamped and matched with the mounting block on the second movable frame; the first damping sleeve is used to be sleeved on the rotating shaft to achieve rotational connection with the rotating shaft.

[0012] By adopting the above technical solution, the first and second friction members each include a first engaging portion, a connecting portion, and a first damping sleeve. These members can be conveniently and removably engaged with the engaging portion of the movable frame via the first engaging slot, and are rotatably connected to the rotating shaft via the damping sleeve. This design not only simplifies the installation and replacement process, improving the maintenance efficiency of the rotating mechanism, but also ensures a stable connection between the friction assembly, the movable frame, and the rotating shaft, enhancing the stability and durability of the rotating mechanism.

[0013] Optionally, a limiting portion is fixedly provided on the inner side wall of the first slot, a limiting slot is provided on the mounting block, and the outer side wall of the limiting portion abuts against the inner side wall of the limiting slot.

[0014] By adopting the above technical solution, by setting a limiting part on the inner side wall of the first card slot and matching and abutting with the limiting slot on the mounting block, or making the limiting part directly abut against the surface of the mounting block, the mounting block is firmly limited, thereby enhancing the stability and accuracy of the installation.

[0015] Optionally, a lubricating oil groove is provided on the first damping sleeve.

[0016] By adopting the above technical solution, the lubricating oil groove opened on the first damping sleeve can facilitate the uniform distribution of the lubricating oil, reduce the friction resistance between the first damping sleeve and the rotating shaft, improve the operating efficiency and smoothness of the rotating mechanism, and also help to extend the service life of the damping sleeve and the rotating shaft, and reduce the occurrence of wear and failure.

[0017] Optionally, at least two first rotating cylinders are provided on the side where the first movable frame is connected to the rotating shaft, and at least two second rotating cylinders are provided on the side where the second movable frame is connected to the rotating shaft. Both the first rotating cylinder and the second rotating cylinder are used to be sleeved on the rotating shaft and rotatably connected to the rotating shaft; the friction assembly is located between the first rotating cylinder and the second rotating cylinder.

[0018] By adopting the above technical solution, at least two first and second rotating cylinders are respectively arranged on the first and second movable frames, so that they can be sleeved on the rotating shaft and rotatably connected thereto, and a friction assembly is provided between the two rotating cylinders. This not only ensures flexibility of movement, but also achieves the necessary friction or resistance effect through the friction assembly, thereby optimizing overall working performance.

[0019] Optionally, it also includes a damping component and an elastic component, the damping component includes a second damping sleeve and a second clamping portion, one end of the second clamping portion is fixedly connected to the second damping sleeve, and the other end of the second clamping portion is provided with a second clamping groove, and the first movable frame is clamped and matched with the second clamping groove; the second damping sleeve is sleeved on the rotating shaft and rotatably connected to the rotating shaft; the second rotating cylinder and the second damping sleeve are abutted and a concave-convex matching structure is provided between the second rotating cylinder and the second damping sleeve and can rotate relative to each other; the elastic component is sleeved on the rotating shaft and acts on the second damping sleeve to drive the second damping sleeve to have a tendency to move in a direction close to the first rotating cylinder.

[0020] By adopting the above-mentioned technical solution, an additional damping effect is provided by the clamping fit of the second damping sleeve and the second clamping portion with the second movable frame, which helps to adjust and control the rotation speed and force of the rotating mechanism. At the same time, the setting of the concave-convex matching structure enables the second rotating cylinder and the second damping sleeve to achieve different relative positions as needed, thereby controlling the closed and open states of the movable frame, increasing the flexibility and diversity of the rotating mechanism. In addition, the addition of the elastic component provides the second damping sleeve with a tendency to move toward the direction close to the first rotating cylinder, which not only helps to maintain the stability of the movable frame in the closed position, but also provides a certain buffering and restoring force in the open position, thereby improving the stability and service life of the rotating mechanism and providing users with a better quality use experience.

[0021] Optionally, the concave-convex matching structure includes a flange and a groove, the flange is provided on the second damping sleeve, the groove is provided on one of the second rotating cylinders, and the shape of the flange is adapted to the shape of the groove;

[0022] Or the concave-convex matching structure includes a flange and a groove, the flange is provided on one of the second rotating cylinders, the groove is provided on the second damping sleeve, and the shape of the flange is adapted to the shape of the groove.

[0023] By adopting the above technical solution, the flange is cleverly set on the second damping sleeve or the second rotating cylinder, and the matching groove is opened on one of the second rotating cylinders or the second damping sleeve. Not only does it ensure that the flange and the groove can form a tight and stable fit, but it also allows the relative position between the first rotating cylinder and the second damping sleeve to be precisely controlled. When the convex position of the concave-convex matching structure is opposite to the convex position, the angle between the first movable frame and the second movable frame is less than 180° or is in a closed state; when the concave position and the convex position of the concave-convex matching structure are plugged into each other, the rotating mechanism is in the open position, at which time the first movable frame and the second movable frame are just opened to 180°. This allows the rotating mechanism to switch smoothly between the closed position and the open position, improving the stability and reliability of the rotating mechanism.

[0024] Optionally, the elastic component includes a limit member and an elastic member, the limit member is detachably connected to the rotating shaft, the elastic member is sleeved on the rotating shaft, the elastic member is located between the limit member and the second damping sleeve, one end of the elastic member abuts against the limit member, and the other end of the elastic member abuts against the second damping sleeve.

[0025] By adopting this technical solution, a flange is provided on the second damping sleeve, while a groove is provided on one of the first rotating cylinders, with the shape of the flange matching that of the groove. This allows for a precise and stable fit between the first rotating cylinder and the second damping sleeve. When the convex portion of the flange aligns with the convex portion of the groove, the movable frame is in a closed position, ensuring the stability and robustness of the rotating mechanism. When the flange and concave portion of the groove engage, the movable frame can be smoothly opened. Due to the convex-concave structure, a certain connection and support are maintained even in the open state, preventing the risk of shaking or falling off.

[0026] A composite rotating device for an electronic device comprises a plurality of rotating mechanisms as described above, wherein two adjacent rotating devices are connected via the rotating shaft and the limiting member; the movable frame is further provided with a positioning portion for positioning the electronic device, and the movable frame is provided with a through hole for inserting a fastener.

[0027] By adopting the above technical solution, the composite rotation device of the electronic device integrates multiple rotation mechanisms, connecting adjacent rotation mechanisms using rotating shafts and limiters, forming a stable and flexible rotation system. The positioning portion provided on the movable frame can accurately position the electronic device, while the through-hole design facilitates the secure installation of the electronic device on the movable frame using fasteners. This composite rotation device not only improves the installation efficiency and stability of the electronic device, but also, through the synergistic effect of multiple rotation mechanisms, achieves a wider and more complex rotation angle and range, meeting the diverse needs of different application scenarios.

[0028] In summary, this application includes at least one of the following beneficial technical effects:

[0029] 1. The first friction assembly and the second friction assembly can be detachably connected to the first movable frame and the second movable frame respectively, so as to facilitate replacement and maintenance of the friction assembly after wear, effectively extending the service life of the rotating mechanism;

[0030] 2. Compared with welding, the detachable connection method can better cope with uneven force, reduce the risk of loosening, and improve the stability and reliability of the rotating mechanism;

[0031] 3. The multiple friction parts of the friction assembly are alternately arranged along the length of the rotating shaft, respectively engaged with the first movable frame and the second movable frame, and rotatably connected to the rotating shaft. This design not only enhances the stability of the rotating mechanism and the uniformity of friction force distribution, but also facilitates the individual replacement of individual friction parts when they are worn, thereby reducing maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a structural schematic diagram of the rotation mechanism of the electronic device in the embodiment of the present application.

[0033] Figure 2 It is a schematic structural diagram of the friction part in the embodiment of the present application.

[0034] Figure 3 yes Figure 1 A partial enlarged view of part A.

[0035] Figure 4 It is a schematic diagram of the assembly relationship of the rotating mechanism of the electronic device in the embodiment of the present application.

[0036] Figure 5 It is a structural schematic diagram of the second movable frame from another perspective in the embodiment of the present application.

[0037] Description of reference numerals:

[0038] 1. First movable frame; 11. First movable block; 12. First rotating cylinder; 13. First mounting groove; 2. Second movable frame; 21. Second movable block; 22. Second rotating cylinder; 23. Second mounting groove; 3. Rotating shaft; 4. First friction assembly; 41. First friction member; 411. First clamping portion; 412. Connecting portion; 413. First damping sleeve; 414. First clamping groove; 415. Limiting portion; 416. Lubricating oil groove; 5. Second friction assembly; 51. Second friction member; 6. Elastic assembly; 61. Limiting member; 62. Elastic member; 63. Gasket; 7. Damping assembly; 71. Second damping sleeve; 72. Second clamping portion; 73. Second clamping groove; 8. Concave-convex matching structure; 81. Flange; 82. Groove; 9. Positioning portion; 10. Through hole; 14. Mounting block. DETAILED DESCRIPTION

[0039] The following is combined with Figure 1-5 This application is described in further detail.

[0040] The terms used in this application are for the purpose of describing specific embodiments only and are not intended to limit this application. Unless otherwise defined, technical or scientific terms used in this application should have the common meanings understood by those skilled in the art to which this application belongs. The terms "first," "second," and similar terms used in this application do not indicate any order, quantity, or importance, but are simply used to distinguish different components.

[0041] The embodiment of the present application discloses a rotation mechanism of an electronic device. Figure 1The rotation mechanism of the electronic device includes a movable frame, a friction assembly and a rotating shaft 3. The movable frame includes a first movable frame 1 and a second movable frame 2. The friction assembly includes a first friction assembly 4 and a second friction assembly 5. The first movable frame 1 is rotationally connected to the rotating shaft 3, and the second movable frame 2 is rotationally connected to the rotating shaft 3. One end of the first friction assembly 4 is detachably connected to the first movable frame 1, and the other end of the first friction assembly 4 is rotationally connected to the rotating shaft 3. One end of the second friction assembly 5 is detachably connected to the second movable frame 2, and the other end of the second friction assembly 5 is rotationally connected to the rotating shaft 3, thereby ensuring that the first movable frame 1 and the second movable frame 2 can not only rotate around the rotating shaft 3, but also can realize random hovering at any angle between 0-180°, thereby ensuring that a variety of electronic devices can be opened at various angles.

[0042] Continue to refer to Figure 1 Specifically, the first movable frame 1 includes a first movable block 11. Two first rotating cylinders 12 are integrally formed on the side of the first movable block 11 near the rotating shaft 3, and the two first rotating cylinders 12 are spaced apart. The second movable frame 2 includes a second movable block 21. Two second rotating cylinders 22 are integrally formed on the side of the second movable block 21 near the rotating shaft 3, and the two second rotating cylinders 22 are spaced apart. The first rotating cylinders 12 and the second rotating cylinders 22 correspond one-to-one, and the end of each first rotating cylinder 12 abuts the end of the corresponding second rotating cylinder 22.

[0043] Continue to refer to Figure 1 The first movable block 11 has a first mounting groove 13 on its side near the first rotating cylinder 12. The first mounting groove 13 is located between the two first rotating cylinders 12, and the first friction assembly 4 is located in the first mounting groove 13. The second movable block 21 has a second mounting groove 23 on its side near the second rotating cylinder 22. The second friction assembly 5 is located in the second mounting groove 23. The first friction assembly 4 and the second friction assembly 5 are located between the first rotating cylinder 12 and the second rotating cylinder 22. This allows the first movable frame 1 and the second movable frame 2 to rotate freely relative to the rotating shaft 3. At the same time, the first friction assembly 4 and the second friction assembly 5 work together to ensure that the first movable frame 1 and the second movable frame 2 can achieve random hovering at any angle, thereby stably supporting the electronic equipment at any desired position.

[0044] Continue to refer to Figure 1The first friction assembly 4 includes several first friction members 41, and the second friction assembly 5 includes several second friction members 51. The several first friction members 41 and the several second friction members 51 are alternately arranged along the length direction of the rotating shaft 3. One end of each first friction member 41 is engaged with the first movable frame 1, and the other end of each first friction member 41 is rotatably connected to the rotating shaft 3; one end of each second friction member 51 is engaged with the second movable frame 2, and the other end of each second friction member 51 is rotatably connected to the rotating shaft 3.

[0045] Reference Figure 1 and Figure 2 In this embodiment, each first friction member 41 includes a first engaging portion 411, a connecting portion 412, and a first damping sleeve 413. One end of the first engaging portion 411 is fixedly connected to the first damping sleeve 413, and the other end of the first engaging portion 411 defines a first engaging slot 414. The first engaging slot 414 is closed at the end proximal to the first damping sleeve 413 and open at the end distal to the first damping sleeve 413. Mounting blocks 14 are integrally formed on the inner sidewalls of both the first mounting groove 13 and the second mounting groove 23. The first engaging slot 414 of the first friction member 41 is designed to removably engage with the mounting block 14 on the first movable frame 1, while the first engaging slot 414 of the second friction member 51 is designed to removably engage with the mounting block 14 on the second movable frame 2, thereby securing multiple first friction members 41 to the first movable frame 1 and multiple second friction members 51 to the second movable frame 2. Multiple first damping sleeves 413 are sleeved onto the rotating shaft 3, each of which is rotationally connected to the rotating shaft 3. A damping force is generated between each first damping sleeve 413 and the rotating shaft 3, thereby enabling the first movable frame 1 and the second movable frame 2 to achieve random hovering at any angle. The structure of the second friction member 51 is identical to that of the first friction member 41 and is not further described here.

[0046] Reference Figure 2 In this embodiment, a limiting portion 415 is fixedly provided on the inner sidewall of the first slot 414. A limiting slot is provided on the mounting block 14, and the outer sidewall of the limiting portion 415 abuts the inner sidewall of the limiting slot. By providing the limiting portion 415 on the inner sidewall of the first slot 414 and matching and abutting the limiting slot on the mounting block 14, or by having the limiting portion 415 directly abut the surface of the mounting block 14, the mounting block 14 is securely positioned, enhancing the stability and accuracy of installation.

[0047] Reference Figure 1In this embodiment, a plurality of first friction members 41 and a plurality of second friction members 51 are arranged alternately. Specifically, the first damping sleeves 413 of the first friction member 41 and the first damping sleeves 413 of the second friction member 51 are arranged alternately along the length direction of the rotating shaft 3, and the side walls of two adjacent first damping sleeves 413 abut against each other.

[0048] Reference Figure 2 Lubricating oil grooves 416 are provided on both opposite sides of the first damping sleeve 413. In this embodiment, the lubricating oil grooves 416 are arc-shaped. The lubricating oil grooves 416 can facilitate the uniform distribution of the lubricating oil, reduce the friction resistance between the first damping sleeve 413 and the rotating shaft 3, and improve the operating efficiency and smoothness of the rotating mechanism. At the same time, it also helps to extend the service life of the damping sleeve and the rotating shaft 3, and reduce the occurrence of wear and failure.

[0049] Reference Figure 1 and Figure 3 The rotation mechanism of the electronic device also includes a damping assembly 7, which includes a second damping sleeve 71 and a second clamping portion 72. One end of the second clamping portion 72 is fixedly connected to the second damping sleeve 71, and the other end of the second clamping portion 72 defines a second clamping slot 73. The first movable frame 1 or the second movable frame 2 engages with the second clamping slot 73, thereby securing one end of the second clamping portion 72 to the first movable frame 1 or the second movable frame 2 or the second movable frame 2. The second damping sleeve 71 is sleeved on the rotating shaft 3 and is rotationally connected to the rotating shaft 3.

[0050] Reference Figure 3 and Figure 4 A concave-convex matching structure 8 is provided between the first rotating cylinder 12 and the second damping sleeve 71. In this embodiment, the concave-convex matching structure 8 includes two flanges 81 and two grooves 82. Both flanges 81 are provided at one end of the second damping sleeve 71 close to the second rotating cylinder 22, and two grooves 82 are provided at one end of one of the second rotating cylinders 22 close to the second damping sleeve 71. The shape of the flange 81 matches the shape of the groove 82. When the convex position of the concave-convex matching structure 8 is opposite to the convex position, the angle between the first movable frame 1 and the second movable frame 2 is less than 180° or is in a closed state; when the concave position and the convex position of the concave-convex matching structure 8 are plugged into each other, the rotating mechanism is in the open position, at which time the angle between the first movable frame 1 and the second movable frame 2 is just opened to 180°. This allows the rotating mechanism to switch smoothly between the closed position and the open position, thereby improving the stability and reliability of the rotating mechanism. Of course, in another embodiment, the flange 81 is provided on one of the second rotating cylinders 22 , the groove 82 is opened on the second damping sleeve 71 , and the shape of the flange 81 is adapted to the shape of the groove 82 .

[0051] Continue to refer to Figure 3 and Figure 4 The rotating mechanism of the electronic device also includes an elastic component 6, which includes a limiter 61, an elastic component 62 and a gasket 63. The limiter 61 is detachably connected to the rotating shaft 3. The limiter 61 can be a nut. A thread is provided at one end of the rotating shaft 3, and the nut is threadedly engaged with the end of the rotating shaft 3. The elastic component 62 is sleeved on the rotating shaft 3. The elastic component 62 is located between the limiter 61 and the second damping sleeve 71. One end of the elastic component 62 abuts against the limiter 61, and the other end of the elastic component 62 abuts against the second damping sleeve 71. The elastic component 62 can be a spring or a butterfly spring. Both elastic elements have good elasticity and restoring force, and can effectively provide the second damping sleeve 71 with a tendency to move toward the direction close to the first rotating cylinder 12, ensuring the stability of the rotating mechanism in the closed position and the smoothness in the open position.

[0052] Continue to refer to Figure 3 and Figure 4 The washer 63 is sleeved on the rotating shaft 3 and located between the elastic member 62 and the second damping sleeve 71. The washer 63 increases the contact area between the elastic member 62 and the second damping sleeve 71, thereby improving the friction and stability between them, ensuring that the elastic member 62 can more effectively drive the second damping sleeve 71 to move. At the same time, the washer 63 also plays a role in buffering and reducing vibration, protecting the rotating shaft 3 and the second damping sleeve 71 from direct impact and wear, thereby extending the service life of the rotating mechanism.

[0053] Reference Figure 1 The first movable block 11 and the second movable block 21 are each integrally formed with positioning portions 9, which are designed to mate with corresponding positioning slots on the electronic device. This ensures the precise installation and positioning of the rotating mechanism on the electronic device, improving the stability and accuracy of the overall structure.

[0054] Continue to refer to Figure 1 At the same time, the first movable block 11 and the second movable block 21 are both provided with a plurality of through holes 10 for inserting fasteners, and the specific fasteners are screws or bolts or pins, so as to facilitate the installation and disassembly of the first movable block 11 and the second movable block 21.

[0055] The operating principle of the above embodiment is as follows: the detachable connection between the first friction assembly 4 and the second friction assembly 5 allows for easy replacement and maintenance of the friction assemblies after wear, effectively extending the service life of the rotating mechanism and reducing maintenance costs. Furthermore, compared to welded fasteners, the detachable connection is more resistant to uneven force distribution, reducing the risk of loosening and improving the stability and reliability of the rotating mechanism. Furthermore, the alternating arrangement of the multiple friction members results in a more even distribution of friction force, further enhancing the stability and reliability of the rotating mechanism.

[0056] Example 2

[0057] This embodiment provides a composite rotating device for an electronic device, referring to Figure 1 and Figure 4 The composite rotating device for electronic equipment includes multiple rotating mechanisms as described in the embodiment, with adjacent rotating mechanisms detachably connected via a rotating shaft 3 and a stopper 61. This allows the composite rotating device to be flexibly adjusted at multiple angles, making it suitable for stable support of large electronic equipment and random hovering at any angle during rotation.

[0058] Continue to refer to Figure 1 and Figure 4 Specifically, the compound rotation device includes multiple rotation mechanisms, each with the same structure as the rotation mechanism in the aforementioned embodiment. Adjacent rotation mechanisms are not isolated, but rather tightly and removably connected via the rotation shaft 3 and a stopper 61. The stopper 61 can be a nut with threads on one end of the rotation shaft 3, which engages with the end of the rotation shaft 3. This allows for convenient assembly, disassembly, and maintenance of the various components of the compound rotation device.

[0059] In practical applications, the composite rotating device demonstrates a wide range of applicability. For example, in laptops, the device cleverly connects the display and keyboard, enabling flexible rotation and stable hovering between them. With a simple push or pull, the display can be expanded or closed at any angle, significantly enhancing the user experience.

[0060] Furthermore, composite rotating devices also play an important role in the mobile phone industry. In particular, in foldable phones, this device ensures the screen remains stable and smooth during unfolding and folding, effectively preventing damage caused by improper angles or misoperation. Furthermore, since all parts of the device can be easily disassembled and assembled, users can more easily replace the screen or perform repairs.

[0061] The composite rotating device has successfully established a niche in the electronics industry thanks to its sophisticated rotating mechanism, detachable connection, and wide range of applications. Whether connecting a laptop display to a keyboard or unfolding and folding the screen of a foldable phone, the device provides stable and reliable support, bringing users a more convenient and comfortable experience.

[0062] The operating principle of this embodiment is as follows: by connecting multiple rotation mechanisms in series, the composite rotation device can achieve flexible adjustment at multiple angles, suitable for stable support of large electronic equipment and random hovering at any angle during rotation. The design and function of each rotation mechanism are the same as those in the previous embodiment. The detachable connection method allows for convenient disassembly and maintenance of the various components of the composite rotation device, reducing maintenance costs and improving device reliability and user experience. The detachable connection between two adjacent rotation mechanisms not only ensures the independence and interchangeability of each component.

[0063] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A rotating mechanism for an electronic device, characterized in that: The invention comprises a movable frame, a friction assembly and a rotating shaft (3), wherein the movable frame comprises a first movable frame (1) and a second movable frame (2), and the friction assembly comprises a first friction assembly (4) and a second friction assembly (5), wherein the first movable frame (1) is rotationally connected to the rotating shaft (3), and the second movable frame (2) is rotationally connected to the rotating shaft (3); one end of the first friction assembly (4) is detachably connected to the first movable frame (1), and the other end of the first friction assembly (4) is rotationally connected to the rotating shaft (3); one end of the second friction assembly (5) is detachably connected to the second movable frame (2), and the other end of the second friction assembly (5) is rotationally connected to the rotating shaft (3).

2. The rotation mechanism of an electronic device according to claim 1, wherein: The first friction assembly (4) includes a plurality of first friction members (41), and the second friction assembly (5) includes a plurality of second friction members (51). The plurality of first friction members (41) and the plurality of second friction members (51) are alternately arranged along the length direction of the rotating shaft (3). One end of each of the first friction members (41) is engaged with the first movable frame (1), and the other end of each of the first friction members (41) is rotatably connected to the rotating shaft (3); one end of each of the second friction members (51) is engaged with the second movable frame (2), and the other end of each of the second friction members (51) is rotatably connected to the rotating shaft (3).

3. The rotation mechanism of an electronic device according to claim 2, wherein: The first friction member (41) and the second friction member (51) both comprise a first clamping portion (411), a connecting portion (412) and a first damping sleeve (413); one end of the connecting portion (412) is fixedly connected to one end of the first damping sleeve (413); the other end of the connecting portion (412) is fixedly connected to one end of the first clamping portion (411); and the other end of the first clamping portion (411) is provided with a first clamping groove (414); the movable frame comprises a mounting block (14); the first clamping groove (414) of the first friction member (41) is used for detachably clamping and cooperating with the mounting block (14) on the first movable frame (1); the first clamping groove (414) of the second friction member (51) is used for detachably clamping and cooperating with the mounting block (14) on the second movable frame (2); and the first damping sleeve (413) is used for being sleeved on the rotating shaft (3) to realize rotational connection with the rotating shaft (3).

4. The rotation mechanism of an electronic device according to claim 3, wherein: A limiting portion (415) is fixedly provided on the inner side wall of the first clamping slot (414), a limiting slot (141) is provided on the mounting block (14), and the outer side wall of the limiting portion (415) abuts against the inner side wall of the limiting slot (141).

5. The rotation mechanism of an electronic device according to claim 3, wherein: A lubricating oil groove (416) is provided on the first damping sleeve (413).

6. The rotating mechanism of an electronic device according to claim 2, wherein: At least two first rotating cylinders (12) are provided on one side of the first movable frame (1) connected to the rotating shaft (3), and at least two second rotating cylinders (22) are provided on one side of the second movable frame (2) connected to the rotating shaft (3). Both the first rotating cylinder (12) and the second rotating cylinder (22) are used to be sleeved on the rotating shaft (3) and rotatably connected to the rotating shaft (3); and the friction component is located between the first rotating cylinder (12) and the second rotating cylinder (22).

7. The rotation mechanism of an electronic device according to claim 6, characterized in that: The invention also includes a damping component (7) and an elastic component (6), wherein the damping component (7) includes a second damping sleeve (71) and a second clamping portion (72), one end of the second clamping portion (72) is fixedly connected to the second damping sleeve (71), and the other end of the second clamping portion (72) is provided with a second clamping groove (73), and the first movable frame (1) is clamped and matched with the second clamping groove (73); the second damping sleeve (71) is sleeved on the rotating shaft (3) and is rotatably connected to the rotating shaft (3); the second rotating cylinder (22) and the second damping sleeve (71) are abutted and a concave-convex matching structure (8) is provided between the second rotating cylinder (22) and the second damping sleeve (71) and can rotate relative to each other; the elastic component (6) is sleeved on the rotating shaft (3) and acts on the second damping sleeve (71) to drive the second damping sleeve (71) to have a tendency to move in a direction close to the first rotating cylinder (12).

8. The rotation mechanism of an electronic device according to claim 7, wherein: The concave-convex matching structure (8) comprises a flange (81) and a groove (82), wherein the flange (81) is provided on the second damping sleeve (71), and the groove (82) is provided on one of the second rotating cylinders (22), and the shape of the flange (81) is adapted to the shape of the groove (82); Or the concave-convex matching structure includes a flange (81) and a groove (82), the flange (81) is arranged on one of the second rotating cylinders (22), the groove (82) is opened on the second damping sleeve (71), and the shape of the flange (81) is adapted to the shape of the groove (82).

9. The rotation mechanism of an electronic device according to claim 7, wherein: The elastic component (6) comprises a limiting member (61) and an elastic member (62), wherein the limiting member (61) is detachably connected to the rotating shaft (3), the elastic member (62) is sleeved on the rotating shaft (3), the elastic member (62) is located between the limiting member (61) and the second damping sleeve (71), one end of the elastic member (62) abuts against the limiting member (61), and the other end of the elastic member (62) abuts against the second damping sleeve (71).

10. A composite rotating device for an electronic device, characterized in that: It comprises a plurality of rotating mechanisms as claimed in claim 9, wherein two adjacent rotating devices are connected via the rotating shaft (3) and the limiting member (61); the movable frame is further provided with a positioning portion (9) for positioning the electronic device, and the movable frame is provided with a through hole (10) for inserting a fastener.

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