A wireless charging device with automatic reset by overturning and lifting
By designing a damping shaft, damping connecting plate, and torsion spring structure, combined with a magnet and floating structure, the problem of cumbersome operation and wear in traditional wireless charging devices is solved, achieving automatic reset and stable charging effect.
Patent Information
- Application Number
- CN202520911601.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2026-06-16
- Estimated Expiration
- 2035-05-09
AI Technical Summary
Traditional wireless charging devices require manual operation or rely on a single spring for reset when folding, which makes operation cumbersome and poses a risk of wear and tear on the charging body. Furthermore, spring failure can lead to damage from hard compression.
The design incorporates a damped rotating shaft, damped connecting plates, and torsion springs, enabling the charging body to automatically reset when flipped. Multiple sets of magnets ensure precise attraction and stable locking, while a floating structure adjusts the height of the charging body to maintain stable contact.
It achieves automatic reset of the charging body, reduces the risk of wear, improves charging stability and shock resistance, and is easy to operate and safe and reliable.
Smart Images
Figure CN224367562U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wireless charging technology, specifically to a wireless charging device that automatically resets after flipping and lifting. Background Technology
[0002] Wireless charging devices have been widely accepted and recognized due to their convenience and speed. The principle of wireless charging is electromagnetic induction. Energy is transferred between the wireless charger and the electronic device being charged through a magnetic field. There is no need for a wired connection between the wireless charger and the electronic device being charged, and the device has a high degree of intelligence. However, traditional folding wireless charging devices usually require the user to manually press the charging element into the storage slot when folding, or rely on a single spring to provide elastic force, with the charging element elastically returning to the storage slot under the pressure of other components. The former is cumbersome, and the latter may cause wear and tear on the charging element due to repeated pressing. Moreover, if the single spring fails, the elastic pressure becomes hard pressure, which may damage the charging element. Therefore, there is an urgent need for a wireless charging device that flips, lifts, and automatically resets to solve the above problems. Utility Model Content
[0003] In view of this, a safe, reliable, easy-to-operate wireless charging device with automatic reset upon flipping and lifting is provided.
[0004] A wireless charging device with automatic flip-up and reset function includes a first housing, a second housing, a first charging element, a second charging element, a damping shaft, a damping seat, a charging element connecting seat, a first torsion spring, and a damping connecting plate. The first housing is rotatably connected to the second housing via the damping shaft. The first housing includes a first inner shell, and the second housing includes a second inner shell and a second receiving groove disposed on the second inner shell. When the first inner shell and the second inner shell are flipped to an angle of 180°, the device is in an open state. The second charging element is parallel to and partially protrudes from the second receiving groove, with gaps between it and the groove wall and bottom. The damping shaft is fixed to the damping seat, and the damping seat is connected to the charging element connecting seat. The charging element connecting seat is connected to the second charging element via the first shaft. The first torsion spring is sleeved on the first shaft. When the first torsion spring is extended... The second charging body is raised. One end of the damping connecting piece is rotatably connected to the damping shaft, and the other end is fixed to the second housing. The first damping force between the damping connecting piece and the damping shaft is less than the second damping force of the damping shaft, so that the second housing and the second charging body rotate in steps. The second housing and the second inner housing drive the damping connecting piece to rotate first against the first damping force. When the second housing and the second inner housing rotate to contact the second charging body, they overcome the second damping force and cause the second charging body to flip. At the same time, the second charging body overcomes the first torsion spring force and screws into the second receiving groove, so that the second charging body can be completely received inside the second receiving groove. The second housing continues to push the second housing to flip. The second housing drives the second charging body in the second receiving groove to flip together until the two inner housings are in contact, and the device is in a folded state.
[0005] Furthermore, the wireless charging device also includes a flip spring, the first inner shell is provided with a first receiving groove, the first charging body is rotated out or stored in the first receiving groove by a flip shaft, one end of the flip spring is connected to the flip shaft, and the other end abuts against the first shell or the first inner shell, the flip spring is configured to be pressed when in the folded state and automatically reset when in the open state so that the first charging body automatically bounces up around the flip shaft.
[0006] Furthermore, one end of the flipping shaft has a straight opening, one end of the flipping spring is inserted into the straight opening, and the other end abuts against the bottom surface of the first inner shell; the flipping spring is in the shape of an arc-shaped spring.
[0007] Furthermore, the first charging body has a rotating connection portion, with a charging body at the first end and the flip shaft passing through the second end of the rotating connection portion. The flip shaft is located below the first inner shell. The first receiving groove is provided with a through hole and a limiting wall corresponding to the second end of the rotating connection portion. The second end of the first charging body passes through the through hole to connect to the flip shaft. The limiting wall is provided above the through hole to limit the standing angle of the first charging body after it automatically pops up.
[0008] Furthermore, the wireless charging device also includes a fixing base, which is fixed to the second charging body. The fixing base is connected to the charging body connecting base through the first rotating shaft. One end of the first torsion spring abuts against the fixing base, and the other end abuts against the charging body connecting base. The fixing base is vertically arranged, and the charging body connecting base is horizontally arranged. The two torsion walls of the first torsion spring are substantially at right angles.
[0009] Furthermore, the damping seat and the charging body connecting seat are connected by a second rotating shaft. A second torsion spring is sleeved on the second rotating shaft. One end of the second torsion spring presses against the damping seat, and the other end presses against the charging body connecting seat. The second torsion spring allows the charging body connecting seat to rotate relative to the damping seat and elastically reset. When the wireless charging device is in the open state, pressing or releasing the second charging body allows the second charging body to float up and down under the linkage of the first and second torsion springs. During the up and down floating process, the upper surface of the second charging body can be horizontal with the upper surface of the second inner shell.
[0010] Furthermore, the wireless charging device also includes a main circuit board and a main magnetic induction coil. The second housing also includes a second outer shell. The second inner shell and the second outer shell are fixed together to form a hollow cavity. The damping shaft, damping connecting piece, damping seat and main circuit board are disposed in the hollow cavity. The main magnetic induction coil is disposed in the second charging body. A wire hole is provided at the bottom of the second charging body. A through hole is provided at the bottom of the second receiving slot. The wires of the main magnetic induction coil enter the hollow cavity through the wire hole and the through hole in sequence and are electrically connected to the wires of the main circuit board.
[0011] Furthermore, the second charging body has an annular magnet, and the bottom surface of the first inner shell is provided with a slot, in which a sheet-shaped magnetic attractor is fixed. When the wireless charging device is folded, the position of the sheet-shaped magnetic attractor corresponds to the annular magnet. A first magnet is fixed at each of the two outer corners of the bottom surface of the first inner shell, and a second magnet is fixed at each of the two outer corners of the bottom surface of the second inner shell. When the wireless charging device is folded, the first inner shell is tightly attached to the second inner shell by the magnetic attraction between the first magnet and the second magnet.
[0012] Furthermore, the first housing and the second housing are connected by a damping coupling. The damping coupling is provided with a damping hole, and a damping friction element is assembled in the damping hole. The damping friction element is a near-ring structure. The damping shaft passes through the damping friction element and is dampedly connected to the damping friction element. The damping force of the damping shaft comes from the friction between the outer wall of the damping shaft and the inner wall of the damping friction element.
[0013] Furthermore, the first housing is rotatably connected to the damping coupling via a pair of damping shafts, and the second housing is also rotatably connected to the damping coupling via a pair of damping shafts, so that both the first housing and the second housing are subjected to damping force buffer protection when the wireless charging device is opened or folded.
[0014] Compared with the prior art, the present invention has at least the following beneficial effects:
[0015] First, this flip-lift automatic reset wireless charging device achieves automatic reset of the second charging element during the folding process through the structural design of the damping shaft, damping connecting plate and the first torsion spring. This structural design allows the second charging element to automatically reset into the second receiving slot when the housing of the wireless charging device is flipped and the second housing is pushed. Unlike traditional wireless charging devices that rely on a single spring for reset, the second charging element does not rely on mutual pressure with other parts of the wireless charging device for elastic reset. This helps to avoid wear or misalignment of the charging element due to compression, reduces the risk of damage to the charging element, and is safe, reliable and easy to operate.
[0016] Secondly, this flip-up and automatic reset wireless charging device uses a first torsion spring and a second torsion spring to allow the second charging body to float up and down when pressed in the open state. The elastic support provided by the double torsion springs allows the charging body to adaptively adjust its height in the vertical direction, ensuring that the surface of the charging body always remains horizontal with the upper surface of the second inner shell. This floating structure significantly improves charging stability. If the thickness of the wireless charging device is uneven during charging, the floating structure can automatically adjust to keep the charging contact surface stable when the wireless charging device is placed on the second charging body.
[0017] Third, this wireless charging device, which flips, lifts, and automatically resets, uses multiple sets of magnets to achieve precise attraction and stable locking when folded, improving its shock resistance and structural stability when carried. Attached Figure Description
[0018] Figure 1 This is a three-dimensional schematic diagram of the open state of a wireless charging device that automatically resets upon flipping and lifting, according to an embodiment of this utility model.
[0019] Figure 2This is an exploded view of the open state of a wireless charging device with automatic flip-up and reset according to an embodiment of the present invention.
[0020] Figure 3 This is a cross-sectional schematic diagram of the open state of a wireless charging device with automatic flip-up and reset according to an embodiment of the present invention.
[0021] Figure 4 This is a three-dimensional schematic diagram of the folded state of a wireless charging device that automatically resets upon flipping and lifting, according to an embodiment of this utility model.
[0022] In the picture,
[0023] 1. First housing; 2. Second housing; 3. First charging element; 4. Second charging element; 5. Damping shaft; 6. Damping seat; 7. Charging element connecting seat; 8. First torsion spring; 9. Damping connecting piece; 10. First inner housing; 11. First receiving groove; 12. Second inner housing; 13. Second receiving groove; 14. Flip spring; 15. Flip shaft; 16. Through hole; 17. Limiting wall; 18. Fixing seat; 19. First shaft; 20. Second shaft; 21. Second torsion spring; 22. Main circuit board; 23. Main magnetic induction coil; 24. Ring magnet; 25. Sheet-shaped magnetic attractor; 26. First magnet; 27. Second magnet; 28. Damping coupling; 29. Damping friction element. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0025] Please see Figures 1 to 4This illustration shows an embodiment of the present invention providing a wireless charging device with automatic flip-up and reset mechanism, comprising a first housing 1, a second housing 2, a first charging body 3, a second charging body 4, a damping shaft 5, a damping seat 6, a charging body connecting seat 7, a first torsion spring 8, and a damping connecting piece 9. The first housing 1 is rotatably connected to the second housing 2 via the damping shaft 5. The first housing 1 includes a first inner housing 10, and the second housing 2 includes a second inner housing 12 and a second receiving groove 13 disposed on the second inner housing 12. When the first inner housing 10 and the second inner housing 12 are flipped to an angle of 180°, the device is in an open state. The second charging body 4 is parallel to and partially protrudes from the second receiving groove 13, with gaps between it and the groove wall and bottom of the second receiving groove 13. The damping shaft 5 is fixed to the damping seat 6, and the damping seat 6 is connected to the charging body connecting seat 7. The charging body connecting seat 7 is connected to the second charging body 4 via the first shaft 19, and the first shaft 19 is sleeved on the first charging body 4. The torsion spring 8 extends to raise the second charging body 4. One end of the damping connecting piece 9 is rotatably connected to the damping shaft 5, and the other end is fixed to the second housing 2. The first damping force between the damping connecting piece 9 and the damping shaft 5 is less than the second damping force of the damping shaft 5, so that the second housing 2 and the second charging body 4 rotate in steps. The second housing 2 and the second inner housing 12 drive the damping connecting piece 9 to rotate first against the first damping force. When the second housing 2 and the second inner housing 12 rotate to contact the second charging body 4, they overcome the second damping force and cause the second charging body 4 to flip. At the same time, the second charging body 4 overcomes the force of the first torsion spring 8 and screws into the second receiving groove 13 so that the second charging body 4 can be completely received inside the second receiving groove 13. The second housing 2 continues to push the second housing 2 to flip. The second housing 2 drives the second charging body 4 in the second receiving groove 13 to flip together until the two inner housings are in contact, and the device is in a folded state.
[0026] In some specific embodiments, the wireless charging device transitions from an open state to a folded state in two stages. The first stage refers to the initial flipping of the second housing 2 by manual pushing. Because the first damping force is less than the second damping force, the first damping force is overcome first, pushing the second housing 2, which is fixed to the damping connecting piece 9, to flip. Meanwhile, the second charging body 4, connected to the damping rotating shaft 5, remains stationary. At this time, the second housing 2 and the second charging body 4 move relative to each other. The flipping of the second housing 2 causes the bottom of the second receiving groove 13 to obliquely contact the bottom surface of the end of the second charging body 4, so that one end of the second charging body 4 enters the second receiving groove 13. Continuing to flip, the second housing 2 changes from contacting to pressing against one end of the second charging body 4. The other end of the second charging body 4 automatically rotates into the second receiving groove 13 under the action of the first torsion spring 8. At this time, the second charging body 4 is completely housed in the second receiving groove 13. Immediately following, the second stage begins. The second housing 2 is pushed again, overcoming the second damping force. The second housing 2 and the second charging body 4 flip synchronously to the folded state where the two inner shells are in contact.
[0027] Specifically, the wireless charging device further includes a flip spring 14. The first inner shell 10 is provided with a first receiving groove 11. The first charging body 3 is rotated out or stored in the first receiving groove 11 through the flip shaft 15. One end of the flip spring 14 is connected to the flip shaft 15, and the other end abuts against the first shell 1 or the first inner shell 10. The flip spring 14 is configured to be pressed when in the folded state and automatically reset when in the open state so that the first charging body 3 automatically bounces up around the flip shaft 15.
[0028] More specifically, one end of the flipping shaft 15 has a straight opening, one end of the flipping spring 14 is inserted into the straight opening, and the other end abuts against the bottom surface of the first inner shell 10; the flipping spring 14 is in the shape of an arc-shaped spring.
[0029] More specifically, the first charging body 3 has a rotating connection portion. A charging main body is located at one end of the rotating connection portion, and the flip shaft 15 passes through the second end. The flip shaft 15 is located below the first inner shell 10. The first receiving groove 11 has a through hole 16 and a limiting wall 17 corresponding to the second end of the rotating connection portion. The second end of the rotating connection portion of the first charging body 3 passes through the through hole 16 to connect to the flip shaft 15. The limiting wall 17 is located above the through hole 16 to limit the standing angle of the first charging body 3 after it automatically pops up. In some specific embodiments, when the wireless charging device is turned on, the first charging body 3 automatically pops up until it presses against the limiting wall 17.
[0030] Specifically, the wireless charging device further includes a fixing base 18, which is fixed to the second charging body 4. The fixing base 18 is connected to the charging body connecting seat 7 through the first rotating shaft 19. One end of the first torsion spring 8 abuts against the fixing base 18, and the other end abuts against the charging body connecting seat 7. The fixing base 18 is vertically arranged, and the charging body connecting seat 7 is horizontally arranged. The two torsion walls of the first torsion spring 8 are basically at right angles.
[0031] Specifically, the damping seat 6 and the charging body connecting seat 7 are connected by a second rotating shaft 20. A second torsion spring 21 is sleeved on the second rotating shaft 20. One end of the second torsion spring 21 presses against the damping seat 6, and the other end presses against the charging body connecting seat 7. The second torsion spring 21 allows the charging body connecting seat 7 to rotate relative to the damping seat 6 and elastically return to its original position. When the second charging body 4 is pressed, the charging body connecting seat 7 rotates downward, causing the second charging body 4 to descend. After the pressing force is released, the second torsion spring 21 drives the charging body connecting seat 7 and the damping seat 6 to return to their initial state, and the second charging body 4 also rises to its initial position. More specifically, when the wireless charging device is in the open state, pressing or releasing the second charging body 4 allows the second charging body 4 to float up and down under the linkage of the first torsion spring 8 and the second torsion spring 21. During the up-and-down floating process, the upper surface of the second charging body 4 can be horizontal with the upper surface of the second inner shell 12. In some specific embodiments, the second charging body 4 adaptively adjusts its height in the vertical direction. If the thickness or weight of the electronic device to be charged is uneven, it will not affect the charging stability, because the floating structure can automatically adjust to keep the charging contact surface stable.
[0032] Specifically, the wireless charging device further includes a main circuit board 22 and a main magnetic induction coil 23. The second housing 2 also includes a second outer shell. The second inner shell 12 and the second outer shell are fixed together to form a hollow cavity. The damping shaft 5, the damping connecting piece 9, the damping seat 6, and the main circuit board 22 are disposed in the hollow cavity. The main magnetic induction coil 23 is disposed in the second charging body 4. The bottom of the second charging body 4 is provided with a through hole, and the bottom of the second receiving groove 13 is provided with a through hole. The wires of the main magnetic induction coil 23 enter the hollow cavity through the through hole and the through hole in sequence and are electrically connected to the wires of the main circuit board 22.
[0033] Specifically, the second charging body 4 has an annular magnet 24 inside, and the bottom surface of the first inner shell 10 is provided with a slot, in which a sheet-shaped magnetic attractor 25 is fixed. When the wireless charging device is folded, the position of the sheet-shaped magnetic attractor 25 corresponds to the annular magnet 24. A first magnet 26 is fixed on each of the two outer corners of the bottom surface of the first inner shell 10, and a second magnet 27 is fixed on each of the two outer corners of the bottom surface of the second inner shell 12. When the wireless charging device is folded, the first inner shell 10 is tightly attached to the second inner shell 12 by the magnetic attraction of the first magnet 26 and the second magnet 27.
[0034] In some specific embodiments, the sheet-shaped magnetic attractor 25 and the ring magnet 24 are aligned and magnetically attracted when folded, which can prevent the shell from accidentally popping open. At the same time, the outer corners of the first inner shell 10 and the second inner shell 12 are respectively provided with the first magnet 26 and the second magnet 27. When folded, the first magnet 26 and the second magnet 27 are symmetrically attracted to each other, which enhances the closing strength and makes the shell fit tightly. More specifically, the sheet-shaped magnetic attractor 25 is preferably a silicon steel sheet, and the ring magnet 24, the first magnet 26 and the second magnet 27 are preferably magnets made of strong magnetic materials.
[0035] Specifically, the first housing 1 and the second housing 2 are connected by a damping coupling 28. The damping coupling 28 is provided with a damping hole, and a damping friction element 29 is assembled in the damping hole. The damping friction element 29 has a ring-like structure. The damping shaft 5 passes through the damping friction element 29 and is dampedly connected to the damping friction element 29. The damping force of the damping shaft 5 comes from the friction between the outer wall of the damping shaft 5 and the inner wall of the damping friction element 29.
[0036] More specifically, the first housing 1 is rotatably connected to the damping coupling 28 via a pair of damping shafts 5, and the second housing 2 is also rotatably connected to the damping coupling 28 via a pair of damping shafts 5, so that both the first housing 1 and the second housing 2 are subjected to damping force buffer protection when the wireless charging device is opened or closed.
[0037] In summary, this flip-lift automatic reset wireless charging device, through the structural design of the damping pivot 5, damping connecting piece 9, and first torsion spring 8, achieves automatic reset of the second charging body 4 during the folding process. This structural design allows the second charging body 4 to automatically reset into the second receiving slot 13 when the housing of the wireless charging device is flipped and the second housing 2 is pushed. Unlike traditional wireless charging devices that rely on a single spring for reset, the second charging body 4 does not rely on mutual pressure with other components of the wireless charging device for elastic reset. This helps avoid wear or misalignment of components due to compression, reducing the risk of damage to the charging body, and ensuring safety, reliability, and ease of operation. It is simple and convenient. At the same time, the wireless charging device allows the second charging body 4 to float up and down when pressed in the open state through the first torsion spring 8 and the second torsion spring 21. The elastic support provided by the double torsion springs allows the charging body to adaptively adjust its height in the vertical direction, ensuring that the surface of the charging body always remains horizontal with the upper surface of the second inner shell 12. This floating structure significantly improves the charging stability. If the thickness of the wireless charging device is uneven during charging, the floating structure can automatically adjust to keep the charging contact surface stable when the wireless charging device is placed on the second charging body 4. In addition, the wireless charging device also uses multiple sets of magnets to achieve precise attraction and stable locking when folded, improving the shock resistance and structural stability when carried.
[0038] It should be noted that this utility model is not limited to the above-described embodiments. Based on the inventive spirit of this utility model, those skilled in the art can make other changes, and these changes made based on the inventive spirit of this utility model should be included within the scope of protection claimed by this utility model.
Claims
1. A wireless charging device that automatically resets upon flipping and lifting, characterized in that, The device includes a first housing, a second housing, a first charging element, a second charging element, a damping shaft, a damping seat, a charging element connecting seat, a first torsion spring, and a damping connecting plate. The first housing is rotatably connected to the second housing via the damping shaft. The first housing includes a first inner shell, and the second housing includes a second inner shell and a second receiving groove disposed on the second inner shell. When the first inner shell and the second inner shell are rotated to an angle of 180°, the device is in an open state. The second charging element is parallel to and partially protrudes from the second receiving groove, with gaps between it and the groove wall and bottom. The damping shaft is fixed to the damping seat, and the damping seat is connected to the charging element connecting seat. The charging element connecting seat is connected to the second charging element via the first shaft. The first shaft is fitted with the first torsion spring, and when the first torsion spring extends, it causes the second charging element to... In the raised state, one end of the damping connecting piece is damped and rotatably connected to the damping shaft, and the other end is fixed to the second housing. The first damping force between the damping connecting piece and the damping shaft is less than the second damping force of the damping shaft, so that the second housing and the second charging body rotate in steps. The second housing and the second inner housing drive the damping connecting piece to rotate first against the first damping force. When the second housing and the second inner housing rotate to contact the second charging body, they overcome the second damping force and cause the second charging body to flip. At the same time, the second charging body overcomes the first torsion spring force and screws into the second receiving groove, so that the second charging body can be completely received inside the second receiving groove. It continues to push the second housing to flip. The second housing drives the second charging body in the second receiving groove to flip together until the two inner housings are in contact, and the device is in a folded state.
2. The wireless charging device with automatic flip-up and reset function as described in claim 1, characterized in that, The wireless charging device further includes a flip spring. The first inner shell is provided with a first receiving groove. The first charging body is rotated out or stored in the first receiving groove through a flip shaft. One end of the flip spring is connected to the flip shaft, and the other end abuts against the first shell or the first inner shell. The flip spring is configured to be pressed when in the folded state and automatically reset when in the open state so that the first charging body automatically bounces up around the flip shaft.
3. The wireless charging device with automatic flip-up and reset function as described in claim 2, characterized in that, One end of the flipping shaft has a straight opening, one end of the flipping spring is inserted into the straight opening, and the other end abuts against the bottom surface of the first inner shell; the flipping spring is in the shape of an arc-shaped spring.
4. The wireless charging device with automatic flip-up and reset function as described in claim 2, characterized in that, The first charging body has a rotating connection part. The first end of the rotating connection part has a charging body and the second end passes through the flip shaft. The flip shaft is located below the first inner shell. The first receiving groove is provided with a through hole and a limiting wall corresponding to the second end of the rotating connection part. The second end of the first charging body passes through the through hole to connect to the flip shaft. The limiting wall is provided above the through hole to limit the standing angle of the first charging body after it automatically pops up.
5. The wireless charging device with automatic flip-up and reset function as described in claim 1, characterized in that, The wireless charging device further includes a fixing base, which is fixed to the second charging body. The fixing base is connected to the charging body connecting base through the first rotating shaft. One end of the first torsion spring abuts against the fixing base, and the other end abuts against the charging body connecting base. The fixing base is vertically arranged, and the charging body connecting base is horizontally arranged. The two torsion walls of the first torsion spring are substantially at right angles.
6. The wireless charging device with automatic flip-up and reset function as described in claim 1, characterized in that, The damping seat and the charging body connecting seat are connected by a second rotating shaft. A second torsion spring is sleeved on the second rotating shaft. One end of the second torsion spring presses against the damping seat, and the other end presses against the charging body connecting seat. The second torsion spring allows the charging body connecting seat to rotate relative to the damping seat and elastically reset. When the wireless charging device is in the open state, the second charging body is pressed or released after pressing. The second charging body can float up and down under the linkage of the first torsion spring and the second torsion spring. During the up and down floating process, the upper surface of the second charging body can be horizontal with the upper surface of the second inner shell.
7. The wireless charging device with automatic flip-up and reset function as described in claim 1, characterized in that, The wireless charging device further includes a main circuit board and a main magnetic induction coil. The second housing also includes a second outer shell. The second inner shell and the second outer shell are closed together to form a hollow cavity. The damping shaft, damping connecting piece, damping seat and main circuit board are disposed in the hollow cavity. The main magnetic induction coil is disposed in the second charging body. A wire hole is provided at the bottom of the second charging body. A through hole is provided at the bottom of the second receiving slot. The wires of the main magnetic induction coil enter the hollow cavity through the wire hole and the through hole in sequence and are electrically connected to the wires of the main circuit board.
8. The wireless charging device with automatic flip-up and reset function as described in claim 1, characterized in that, The second charging body has an annular magnet. The bottom surface of the first inner shell is provided with a slot, and a sheet-shaped magnetic attractor is fixed in the slot. When the wireless charging device is folded, the position of the sheet-shaped magnetic attractor corresponds to the annular magnet. A first magnet is fixed at each of the two outer corners of the bottom surface of the first inner shell, and a second magnet is fixed at each of the two outer corners of the bottom surface of the second inner shell. When the wireless charging device is folded, the first inner shell is tightly attached to the second inner shell by the magnetic attraction of the first magnet and the second magnet.
9. A wireless charging device with automatic flip-up and reset mechanism as described in claim 1, characterized in that, The first housing and the second housing are connected by a damping coupling. The damping coupling has a damping hole, and a damping friction element is assembled in the damping hole. The damping friction element is a ring-like structure. The damping shaft passes through the damping friction element and is dampedly connected to the damping friction element. The damping force of the damping shaft comes from the friction between the outer wall of the damping shaft and the inner wall of the damping friction element.
10. The wireless charging device with automatic flip-up and reset function as described in claim 9, characterized in that, The first housing is rotatably connected to the damping coupling via a pair of damping shafts, and the second housing is also rotatably connected to the damping coupling via a pair of damping shafts, so that both the first housing and the second housing are subjected to damping force buffer protection when the wireless charging device is opened or folded.