Detachable and reusable main rotating shaft
By using a detachable connecting component and a PC plastic protective sleeve on the Magic Keyboard's main hinge, the problems of difficult disassembly of the main hinge and high material costs have been solved, achieving convenient maintenance and cost reduction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-09
- Publication Date
- 2026-04-03
AI Technical Summary
The existing Magic Keyboard's main hinge is difficult to disassemble and maintain flexibly, and the aluminum alloy protective cover is expensive, affecting the keyboard's long-term stable use and economy.
It adopts detachable connecting components and a protective sleeve made of PC plastic, including connecting groove, connecting flat head, connecting shaft and pressure cap. The main shaft can be detached by screw connection. Combined with stainless steel connectors, it ensures reliable connection and lightweight convenience.
It enables convenient disassembly and repair of the main shaft, reduces maintenance costs, improves repair efficiency, and reduces overall costs by using lightweight materials.
Smart Images

Figure CN224079463U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of Magic Keyboard main hinge technology, specifically to a detachable and reusable main hinge. Background Technology
[0002] When using a tablet, the Magic Keyboard is often used to support it so that it can be placed at a certain tilt angle for easy placement. The Magic Keyboard's upper stand and bottom keyboard are connected by a main hinge to facilitate flexible rotation and adjustment between the stand and the bottom keyboard.
[0003] The main hinge on the existing Magic Keyboard mainly uses a twisted core connector for installation and fixation via a push-in method. While this method allows for convenient installation of the main hinge, it also prevents flexible disassembly of the hinge, making disassembly and maintenance in case of future damage inconvenient. This hinders the long-term stable use of the Magic Keyboard. In addition, the protective sleeve on the outside of the main hinge on the original Magic Keyboard is mainly made of aluminum alloy, which, while providing some protection, increases the overall cost of the Magic Keyboard. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] The technical problem to be solved by this utility model is to provide a detachable and reusable main shaft, based on the current state of the technology.
[0006] (II) Technical Solution
[0007] This utility model is achieved through the following technical solution: This utility model proposes a detachable and reusable main spindle, including a main spindle fixing frame. One end of the main spindle fixing frame is connected to a left limiting angle spindle, and the other end of the main spindle fixing frame is connected to a right limiting angle spindle. A detachable connecting component is installed between the left and right limiting angle spindles and the main spindle fixing frame. The connecting component includes a connecting groove, a connecting flat head, and a connecting shaft. A pressure cap is also installed on the main spindle fixing frame outside the connecting flat head. A protective sleeve made of PC plastic is fitted on the outside of both the left and right limiting angle spindles.
[0008] Furthermore, both the left limiting angle rotating shaft and the right limiting angle rotating shaft are sheet-like structures, and both the left limiting angle rotating shaft and the right limiting angle rotating shaft have pre-drilled connecting through holes.
[0009] Furthermore, the left limiting angle rotating shaft and the right limiting angle rotating shaft are both connected to the main shaft fixing frame through corresponding connecting components.
[0010] Furthermore, the connecting grooves are formed on both sides of the spindle fixing bracket, and the size of the connecting grooves matches the size of the connecting flat head.
[0011] Furthermore, the connecting groove has three connecting through holes. The through hole in the middle of the connecting groove is connected to the pressure cap by an external connecting screw, and the connecting through holes on both sides of the connecting groove are connected to the spindle fixing bracket by external connecting screws.
[0012] Furthermore, the through hole in the center of the pressure cap corresponds to the through hole in the center of the connecting flat head, and both the pressure cap and the connecting shaft are made of stainless steel.
[0013] Furthermore, the connecting shaft is made of stainless steel, and both the left limiting angle rotating shaft and the right limiting angle rotating shaft are rotatably engaged with the connecting shaft.
[0014] (III) Beneficial Effects
[0015] Compared with the prior art, this utility model has the following advantages:
[0016] This invention utilizes a detachable connecting component installed with screws between the spindle mounting bracket and the left and right limiting angle pivots. During use, the screws on the connecting flat head and the pressure cap can be removed to easily separate the left and right limiting angle pivots. This facilitates flexible replacement and repair of damaged parts or recycling of intact components. The connecting component creates a detachable connection between the left and right limiting angle pivots and the spindle mounting bracket, making disassembly and maintenance of the main pivot more convenient and efficient in case of future damage. It also facilitates the recycling of other intact components. Furthermore, the PC plastic protective sleeve is lighter, more convenient, and less expensive than the original aluminum alloy sleeve, thus achieving convenient and efficient repair of the Magic Keyboard and reducing material costs. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the detachable and reusable main shaft of this utility model;
[0018] Figure 2 This is a schematic diagram of the detachable and reusable main shaft of this utility model after the protective cover has been removed;
[0019] Figure 3 This is the detachable and reusable main shaft of this utility model after removing the protective sleeve and the pressure cap;
[0020] Figure 4This is a schematic diagram of the connection structure of the connecting shaft, connecting flat head, and pressure cap in the detachable and reusable main rotating shaft of this utility model.
[0021] The annotations in the attached figures are explained as follows:
[0022] 1. Left limiting angle pivot; 2. Protective sleeve; 3. Spindle fixing bracket; 4. Pressure cap; 5. Right limiting angle pivot; 6. Connecting assembly; 601. Connecting groove; 602. Connecting flat head; 603. Connecting shaft. Detailed Implementation
[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0024] like Figures 1-4 As shown, the detachable and reusable main spindle in this embodiment includes a main spindle mounting bracket 3. One end of the main spindle mounting bracket 3 is connected to a left limiting angle rotating shaft 1, and the other end is connected to a right limiting angle rotating shaft 5. A detachable connecting component 6 is installed between the left limiting angle rotating shaft 1 and the right limiting angle rotating shaft 5 and the main spindle mounting bracket 3. The connecting component 6 includes a connecting groove 601, a connecting flat head 602, and a connecting shaft 603. A pressure cap 4 is also installed on the main spindle mounting bracket 3 outside the connecting flat head 602. Each component is fitted with a protective sleeve 2 made of PC plastic. Compared with the original aluminum alloy sleeve, the PC plastic protective sleeve 2 is lighter and more convenient to use, thus reducing the cost of the Magic Keyboard's main hinge. If any of the main hinge bracket 3, the left limit angle hinge 1, or the right limit angle hinge 5 is damaged later, simply remove the external connecting screws on the pressure cover 4, and then remove the connecting screws between the connecting flat head 602 and the connecting groove 601 to replace the main hinge bracket 3, the left limit angle hinge 1, and the right limit angle hinge 5 as needed.
[0025] like Figures 1-4As shown, in this embodiment, both the left limiting angle pivot 1 and the right limiting angle pivot 5 are sheet-like structures. Both the left limiting angle pivot 1 and the right limiting angle pivot 5 have pre-drilled connection through holes. The left limiting angle pivot 1 and the right limiting angle pivot 5 can ensure flexible rotation adjustment between the bottom keyboard and the upper support of the Magic Keyboard. The left limiting angle pivot 1 and the right limiting angle pivot 5 are connected to the spindle fixing frame 3 through corresponding connecting components 6. The connecting components 6 are mainly used to realize reliable connection between the left limiting angle pivot 1 and the right limiting angle pivot 5 and the spindle fixing frame 3. The connecting grooves 601 are opened on both sides of the spindle fixing frame 3. The size of the connecting grooves 601 matches the size of the connecting flat head 602, ensuring that the connecting flat head 602 can be smoothly fitted into the connecting grooves 601.
[0026] like Figures 1-4 As shown, in this embodiment, the connecting groove 601 has three connecting through holes. The through hole in the middle of the connecting groove 601 is connected to the pressure cover 4 by an external connecting screw. The connecting through holes on both sides of the connecting groove 601 are connected to the spindle fixing bracket 3 by external connecting screws. The through hole in the middle of the pressure cover 4 corresponds to the through hole in the middle of the connecting flat head 602. Both the pressure cover 4 and the connecting shaft 603 are made of stainless steel. When the external connecting screw passes through the through hole in the middle of the pressure cover 4, the pressure cover 4 and the connecting flat head 602 will be easily connected. The connecting shaft 603 is made of stainless steel. The left limiting angle rotating shaft 1 and the right limiting angle rotating shaft 5 are both rotatably engaged with the connecting shaft 603. The connecting shaft 603 is mainly used to realize the connection between the left limiting angle rotating shaft 1 and the right limiting angle rotating shaft 5 and the corresponding connecting flat head 602.
[0027] The specific implementation process of this embodiment is as follows: In use, firstly, install the connecting flat heads 602 on the left limiting angle rotating shaft 1 and the right limiting angle rotating shaft 5 into their respective connecting slots 601. Then, under the action of external connecting screws, reliably connect the connecting flat heads 602 to the main shaft fixing bracket 3. Next, simply connect the pressure cap 4 to the connecting flat heads 602 under the action of external connecting screws, and then put the protective sleeve 2 on the left limiting angle rotating shaft 1 and the right limiting angle rotating shaft 5. This allows the main rotating shaft to be put into use as a whole. During use, by installing a detachable connecting component 6 between the main shaft fixing bracket 3 and the left limiting angle rotating shaft 1 and the right limiting angle rotating shaft 5, the main rotating shaft can be used by connecting the connecting flat heads 602 and the pressure cap 4. The screws are removed to facilitate the easy disassembly of the left limiting angle pivot 1 and the right limiting angle pivot 5, allowing for flexible replacement and repair of damaged parts between the main spindle bracket 3, the left limiting angle pivot 1, and the right limiting angle pivot 5. Due to the connecting component 6, the left limiting angle pivot 1 and the right limiting angle pivot 5 become detachable connections with the main spindle bracket 3, making disassembly and maintenance of the main pivot more convenient and efficient in case of future damage. It also facilitates the recycling of other intact parts within the component. Furthermore, the PC plastic protective sleeve 2 is lighter, more convenient, and less expensive than the original aluminum alloy sleeve, thus achieving the benefits of convenient and efficient repair of the Magic Keyboard and reduced material costs.
[0028] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A dismountable and reusable primary spindle, characterized in that: The utility model relates to a left and right angle limiting rotating shaft fixing device, including main shaft fixing frame (3), one end of main shaft fixing frame (3) is connected with left side limit angle rotating shaft (1), the other end of main shaft fixing frame (3) is connected right side limit angle rotating shaft (5), and the left side limit angle rotating shaft (1) and right side limit angle rotating shaft (5) are all installed with a detachable connecting assembly (6) between the main shaft fixing frame (3), the connecting assembly (6) includes connecting groove (601), connecting flat head (602) and connecting shaft (603), the main shaft fixing frame (3) is installed with gland (4) outside connecting flat head (602) side, and the left side limit angle rotating shaft (1) and right side limit angle rotating shaft (5) outside are all equipped with the protective sleeve (2) of PC plastic material.
2. The disassemblable reusable primary spindle according to claim 1, characterized in that: The left side limit angle rotating shaft (1) and the right side limit angle rotating shaft (5) are both in sheet structure, and the left side limit angle rotating shaft (1) and the right side limit angle rotating shaft (5) are both provided with connecting through holes.
3. The disassemblable, reusable primary spindle of claim 2, wherein: The left side limit angle rotating shaft (1) and the right side limit angle rotating shaft (5) are connected through the corresponding connecting assembly (6) between the main shaft fixing frame (3).
4. The disassemblable reusable primary spindle of claim 1, wherein: The connecting groove (601) is provided on both sides of the main shaft fixing frame (3), and the size of the connecting groove (601) is matched with the size of the connecting flat head (602).
5. The disassemblable, reusable primary spindle of claim 4, wherein: The connecting groove (601) is provided with three connecting through holes, the through hole in the middle of the connecting groove (601) is connected with the gland (4) through external connecting screws, and the connecting through holes on both sides of the connecting groove (601) are connected with the main shaft fixing frame (3) through external connecting screws.
6. The disassemblable, reusable primary spindle of claim 5, wherein: The middle through hole of the gland (4) corresponds to the middle through hole of the connecting flat head (602), and the gland (4) and the connecting shaft (603) are both made of stainless steel.
7. The disassemblable, reusable primary spindle of claim 6, wherein: The connecting shaft (603) is made of stainless steel, and the left side limit angle rotating shaft (1) and the right side limit angle rotating shaft (5) are both rotatably connected with the connecting shaft (603).