CN219678201U - Wireless charging device - Google Patents

Abstract

The utility model relates to a wireless charging device, which comprises a main body and a movable charging assembly arranged on the main body, wherein the movable charging assembly comprises a first wireless charging unit and a second wireless charging unit, the first wireless charging unit and the second wireless charging unit can extend out of the main body to charge electronic equipment, and the first wireless charging unit and the second wireless charging unit can retract into the main body. The scheme provided by the embodiment of the utility model avoids the problem of troublesome storage of a plurality of wireless charging devices or charging wires. In addition, because at least one wireless charging unit can extend out of the main body and retract into the main body in the scheme provided by the embodiment of the utility model, a user can selectively enable the telescopic wireless charging unit to work according to the requirements of a use scene, the size of the device can be reduced when the device is not used, and the device is convenient to store.

Description

Wireless charging device

Technical Field

The utility model relates to the technical field of wireless charging, in particular to a wireless charging device.

Background

The wireless charging device can charge intelligent electronic equipment such as a smart phone, an intelligent earphone and an intelligent watch by utilizing the charging principle of the wireless charging coil, and the charging process can be completed without connecting a charging wire between the wireless charging device and the electronic equipment, so that the trouble that the charging wire needs to be stored and tidied is eliminated, and the advantage that the electronic equipment is charged when being put and charged is realized. However, the wireless charging device currently on the market can only charge one electronic device, cannot charge a plurality of electronic devices at the same time, and is oversized.

Reference is made to comparative patent 1, and publication number CN212850621U of comparative patent 1 and publication date 2021, 3 and 30 are given as prior art prior to the filing date of the present utility model. The patent 1 discloses a vehicle-mounted wireless charging mobile phone support, refer to paragraph [ 0022-0023 ] of specification, wireless charging coil is built-in the casing, left arm lock and right arm lock are provided with first rack and the second rack with gear engagement, and when the gear rotates, the gear drives left arm lock and right arm lock through first rack and second rack and is close to and keep away from to ensure that the mobile phone can be held between left arm lock and right arm lock and can break away from two arm locks. It can be seen that the wireless charging coil of the comparative patent 1 is built in the case and can charge the electronic devices requiring charging in any state, and the comparative patent 1 cannot charge a plurality of electronic devices at the same time.

Referring to comparative patent 2, publication number CN208571654U of comparative patent 2 and publication date 2019, month 3, 1, before the filing date of the present utility model, can be used as the prior art. The patent 2 discloses a vehicle-mounted wireless charging device, also through two arm lock centre gripping cell-phones, the wireless charging coil of patent 2 record is fixed in on the casing, and patent 2 can not charge for a plurality of electronic equipment simultaneously.

According to the above-mentioned comparison patent, it is not difficult to find that in the conventional wireless charging device, the wireless charging coil is basically kept relatively stationary, and only can complete wireless charging of a single mobile phone by only matching with the clamping arm under the premise of clamping the mobile phone, and cannot complete charging of a plurality of electronic devices at the same time.

Disclosure of Invention

The utility model provides a wireless charging device, which solves the problems that the wireless charging device can only charge one electronic device, cannot charge a plurality of electronic devices at the same time and is oversized.

In order to solve the technical problems, the utility model adopts the following technical scheme:

in a first aspect of the present utility model, the present utility model provides a wireless charging apparatus, including a main body and a mobile charging assembly provided on the main body, where the mobile charging assembly includes a first wireless charging unit and a second wireless charging unit, both of which can extend out of the main body to charge electronic devices, and the first wireless charging unit and the second wireless charging unit can retract into the main body.

In one embodiment, the wireless charging device further includes a driver, where the driver can drive the first wireless charging unit and the second wireless charging unit to move in different directions at the same time and extend out of the main body, so as to charge the electronic device.

In one embodiment, the movement directions of the first wireless charging unit and the second wireless charging unit are parallel to each other and opposite to each other.

In one embodiment, the first wireless charging unit includes a first movable plate having a first rack extending in a moving direction thereof, and a first coil provided to the first movable plate; the second wireless charging unit comprises a second movable plate and a second coil arranged on the second movable plate, and the second movable plate is provided with a second rack extending along the movable direction of the second movable plate; the driver comprises a driving motor and a driving gear, the output end of the driving motor is connected with the driving gear, the driving gear is simultaneously meshed with the first rack and the second rack, and the driving motor can simultaneously drive the first movable plate and the second movable plate to move in different directions through the driving gear so as to simultaneously stretch out the first coil and the second coil.

In one embodiment, a first baffle is arranged at the end of the first movable plate, which is opposite to the first coil, and the first baffle is used for limiting the first movable plate to excessively extend out of the main body; the end part of the second movable plate, which is opposite to the second coil, is provided with a second baffle plate, and the second baffle plate is used for limiting the second movable plate to excessively extend out of the main body;

when the first movable plate and the second movable plate extend out of the main body to the limit position, the first baffle plate and the second baffle plate are simultaneously contacted with the driving gear and mutually abutted

In one embodiment, the first movable plate and the second movable plate are stacked on each other, the first movable plate is provided with a first avoiding hole extending along the moving direction of the first movable plate, and the first rack is arranged in the first avoiding hole; the second movable plate is provided with a second avoidance hole extending along the moving direction of the second movable plate, and the second rack is arranged in the second avoidance hole; the driving gear penetrates through the first avoidance hole and the second avoidance hole along the axial direction of the driving gear.

In one embodiment, the main body has a bearing surface and a side peripheral surface, the wireless charging device further comprises a fixed charging assembly adjacent to the bearing surface, the fixed charging assembly comprises a third wireless charging unit for charging the electronic device when the electronic device is mounted on the bearing surface; the first wireless charging unit and the second wireless charging unit can extend out of the main body from the side peripheral surface and can retract from the side peripheral surface.

In one embodiment, the main body is provided with a bottom end surface, and the bottom end surface is provided with a supporting table which is used for enabling the bottom end surface to form a suspending area with the supporting surface when the supporting surface is contacted; the bottom end face is equipped with the indent lead wire groove, the cell wall in lead wire groove is equipped with makes wireless charging device inserts external power supply's interface that charges, and the wire can be followed unsettled region with the lead wire groove grafting the interface that charges.

In one embodiment, the wireless charging device comprises a handle assembly, the handle assembly comprises a first shell, a second shell and a light bar, at least one of the first shell and the second shell is transparent, is in butt joint and encloses a mounting cavity, and the light bar is mounted in the mounting cavity; opposite ends of the first shell are respectively connected with the main body in a rotating way, so that the handle assembly can be enclosed with the main body to form a holding channel.

In one embodiment, the main body is provided with a display interface capable of displaying time

In one embodiment, at least one of the first wireless charging unit and the second wireless charging unit is provided with an earphone fixing hole, and the earphone fixing hole is used for installing a wireless earphone so as to complete wireless charging of the wireless earphone.

In a second aspect of the present utility model, there is provided a wireless charging apparatus, including a main body, and a movable charging assembly and a fixed charging assembly provided to the main body, the movable charging assembly including a first wireless charging unit capable of extending out of the main body to charge an electronic device; the fixed charging assembly includes a third wireless charging unit that is also capable of charging the electronic device.

In one embodiment, the main body has a bearing surface and a side circumferential surface, the first wireless charging unit includes a first movable plate having a first rack extending in a moving direction thereof, and a first coil provided to the first movable plate; the wireless charging device further comprises a driver, the driver comprises a driving motor and a driving gear, the output end of the driving motor is connected with the driving gear, the driving gear is meshed with the first rack, the driving motor can drive the first rack to linearly move through the driving gear, and then the first coil can be driven to extend out of the main body from the side peripheral surface or retract from the side peripheral surface; the fixed charging assembly is adjacent to the bearing surface, and comprises a third wireless charging unit for charging the electronic device when the electronic device is mounted on the bearing surface.

In one embodiment, the main body is provided with a bottom end surface, and the bottom end surface is provided with a supporting table which is used for enabling the bottom end surface to form a suspending area with the supporting surface when the supporting surface is contacted; the bottom end face is equipped with the indent lead wire groove, the cell wall in lead wire groove is equipped with makes wireless charging device inserts external power supply's interface that charges, and the wire can be followed unsettled region with the lead wire groove grafting the interface that charges.

In one embodiment, the wireless charging device comprises a handle assembly, the handle assembly comprises a first shell, a second shell and a light bar, at least one of the first shell and the second shell is transparent, is in butt joint and encloses a mounting cavity, and the light bar is mounted in the mounting cavity; opposite ends of the first shell are respectively connected with the main body in a rotating way, so that the handle assembly can be enclosed with the main body to form a holding channel.

In one embodiment, the main body is provided with a display interface, and the display interface can display time.

As can be seen from the technical scheme, the embodiment of the utility model has at least the following advantages and positive effects:

according to the wireless charging device provided by the embodiment of the utility model, as the at least two charging positions are arranged, the wireless charging device can enable at least two electronic devices to complete wireless charging at the same time, so that the charging efficiency of the electronic devices is improved, the situation that multiple electronic devices need to be charged through multiple wireless charging devices independently is avoided, or the situation that multiple electronic devices need to be charged through multiple charging wires is avoided. Therefore, the scheme provided by the embodiment of the utility model avoids the problem of troublesome storage of a plurality of wireless charging devices or charging wires. In addition, because at least one wireless charging unit can extend out of the main body and retract into the main body in the scheme provided by the embodiment of the utility model, a user can selectively enable the telescopic wireless charging unit to work according to the requirements of a use scene, the size of the device can be reduced when the device is not used, and the device is convenient to store.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a wireless charging device according to an embodiment of the present utility model extending out of a main body;

fig. 2 is a schematic view illustrating a structure of the wireless charging device retracted into the main body according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of an exploded view of the wireless charging device shown in FIG. 1;

FIG. 4 is a schematic cross-sectional view of the wireless charging device shown in FIG. 1;

FIG. 5 is a schematic diagram of an exploded view of the wireless charging device shown in FIG. 2;

FIG. 6 is a schematic cross-sectional view of the wireless charging device shown in FIG. 2;

FIG. 7 is a schematic view of the bottom end surface of the main body shown in FIG. 5;

FIG. 8 is a schematic view of an exploded view of a portion of the structure of the body shown in FIG. 5;

fig. 9 is a schematic view of an exploded structure of a part of the main body shown in fig. 5 from another view.

The reference numerals are explained as follows:

1. a charging device; 2. a main body; 21. a bearing surface; 22. a bottom end surface; 23. a side peripheral surface; 24. a support table; 25. a wire slot; 26. a charging interface; 27. a connection hole; 3. a charging device; 4. a driver; 41. a driving motor; 42. a drive gear; 5. a handle assembly; 51. a first housing; 511. a connecting shaft; 52. a second housing; 53. a light bar; 531. a flexible light panel; 532. an LED lamp; 54. a mounting cavity; 100. a movable charging assembly; 110. a first wireless charging unit; 111. a first movable plate; 1111. a first avoidance hole; 1101. a first end cap; 112. a first coil; 113. a first rack; 114. a first baffle; 120. a second wireless charging unit; 121. a second movable plate; 1211. a second avoidance hole; 1201. a second end cap; 1202. earphone fixing holes; 122. a second coil; 123. a second rack; 124. a second baffle; 200. fixing the charging assembly; 210. a support plate; 220. a third coil; 300. displaying an interface; 310. a protective film; 400. a control key; 500. a circuit board.

Detailed Description

Exemplary embodiments that embody features and advantages of the present utility model will be described in detail in the following description. It will be understood that the utility model is capable of various modifications in various embodiments, all without departing from the scope of the utility model, and that the description and illustrations herein are intended to be by way of illustration only and not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "disposed," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 and 2, the present utility model provides a wireless charging apparatus 1, the wireless charging apparatus 1 including a main body 2 and a charging device 3, the charging device 3 being provided to the main body 2, the charging device 3 being for wirelessly charging an electronic device placed on the main body 2. It should be noted that the electronic device may be, but not limited to, a smart phone, a wearable device (e.g., a smart watch, a smart bracelet), a wireless headset, and so on.

In order to achieve a wireless charging of the electronic device by the charging device 3, the charging device 3 is provided with a charging coil and the electronic device is provided with an induction coil matching the charging coil. When the induction coil of the electronic device is close to the charging coil of the charging device 3, an induction current is generated in the induction coil to complete charging.

The charging device 3 includes at least one of a movable charging assembly 100 and a fixed charging assembly 200. The movable charging unit 100 means that the charging coil in the movable charging unit 100 is movable with respect to the main body 2, and the fixed charging unit 100 means that the charging coil in the fixed unit 200 is not movable with respect to the main body 2. Fig. 1 and 2 illustrate that the main body 2 has opposite bearing surfaces 21 and a bottom end surface 22, and a side peripheral surface 23 disposed between the bearing surfaces 21 and the bottom end surface 22, and the movable charging assembly 100 can extend from the side peripheral surface 23 to the main body 2 and retract from the main body 2, and the movable charging assembly 100 extending from the main body 2 can charge the electronic device. The fixed charging assembly 200 is disposed adjacent to the carrying surface 21, and the fixed charging assembly 200 is used for charging the electronic device when the electronic device is mounted on the carrying surface 21. Wherein the movable charging assembly 100 and the fixed charging assembly 200 are capable of simultaneously completing charging of different electronic devices.

The mobile charging assembly 100 includes a first wireless charging unit 110 and a second wireless charging unit 120, and both the first wireless charging unit 110 and the second wireless charging unit 120 can extend out of the main body 2 to complete charging of the electronic device, and the first wireless charging unit 110 and the second wireless charging unit 120 can also retract into the main body 2. Fig. 1 illustrates that both the first wireless charging unit 110 and the second wireless charging unit 120 can extend from the side peripheral surface 23 to the outside of the main body 2, and fig. 2 illustrates that it can also retract from the side peripheral surface 23 to the inside of the main body 2. It will be appreciated that in other embodiments, the first wireless charging unit 110 and the second wireless charging unit 120 can also extend and retract from other orientations of the body 2, such as from the bearing surface 21. In addition, to save cost, the mobile charging assembly 100 may be provided with only one wireless charging unit.

Referring to fig. 2 to 6, the wireless charging apparatus 1 further includes a driver 4, and the driver 4 can drive the first wireless charging unit 110 and the second wireless charging unit 120 to move in different directions at the same time and extend out of the main body 2, so as to complete charging of the electronic device. Meanwhile, the driver 4 can also drive the first wireless charging unit 110 and the second wireless charging unit 120 to move towards different directions at the same time and retract into the main body 2. In the present embodiment, the movement directions of the first wireless charging unit 110 and the second wireless charging unit 120 are parallel to each other and the movement directions are opposite. It is understood that in other embodiments, the movement directions of the first wireless charging unit 110 and the second wireless charging unit 120 may be disposed at an angle, such as being inclined. The driver 4 may not be necessarily provided, and may be manually driven by a person.

The first wireless charging unit 110 includes a first movable plate 111 and a first coil 112, the first coil 112 being disposed at an end of the first movable plate 111. In an embodiment, the end of the first movable plate 111 is provided with a first end cap 1101, the first end cap 1101 covers the first coil 112 on the end of the first movable plate 111, and the first end cap 1101 and the first movable plate 111 may be, but are not limited to, a detachable connection structure such as a snap connection or a threaded connection. The first movable plate 111 has a first rack 113 extending in the moving direction thereof.

The second wireless charging unit 120 includes a second movable plate 121 and a second coil 122, and the second coil 122 is disposed at an end of the second movable plate 112. In an embodiment, the end of the second movable plate 121 is provided with a second end cover 1201, the second end cover 1201 covers the second coil 122 on the end of the second movable plate 121, and the second end cover 1201 and the second movable plate 121 may be, but not limited to, a detachable connection structure such as a snap connection or a screw connection. The second movable plate 121 is provided with a second rack 123 extending in the moving direction thereof. The driver 4 includes a driving motor 41 and a driving gear 42, an output end of the driving motor 41 is connected with the driving gear 42, the driving gear 42 is simultaneously engaged with the first rack 113 and the second rack 123, the driving motor 41 can be rotated forward and backward and simultaneously drive the first movable plate 111 and the second movable plate 121 to move in different directions through the driving gear 42, so as to simultaneously extend the first coil 112 and the second coil 122 out of the main body 2 or simultaneously retract the first coil 112 and the second coil 122 into the main body 2.

At least one of the first wireless charging unit 110 and the second wireless charging unit 120 is provided with an earphone fixing hole 1202, and the earphone fixing hole 1202 is used for installing a wireless earphone to complete wireless charging of the wireless earphone. The earphone fixing hole 1202 of the present embodiment is provided at the outer surface of the second end cap 1201.

In an embodiment, the end of the first movable plate 111 facing away from the first coil 112 is provided with a first baffle 114, and the first baffle 114 is used to limit the first movable plate 111 from excessively extending out of the main body 2. The end of the second movable plate 121 facing away from the second coil 122 is provided with a second baffle 124, and the second baffle 124 is used for limiting the second movable plate 121 from excessively extending out of the main body 2. When the first movable plate 111 and the second movable plate 121 protrude outside the main body to the extreme positions, the first shutter 114 and the second shutter 124 simultaneously contact and abut against the driving gear 42. When the number of teeth of the drive gear 42 in one turn in the circumferential direction is fixed, this can be achieved by setting the lengths of the first rack 113 and the second rack 123 to be equal. When the driving gear 42 includes two gear sections with different numbers of teeth and the two gear sections with different numbers of teeth are respectively meshed with the first rack 113 and the second rack 123, this can be achieved by reasonably setting the lengths of the first rack 113 and the second rack 123.

In an embodiment, the first movable plate 111 and the second movable plate 121 are stacked, and the stacked first movable plate 111 and second movable plate 121 can make the overall structure more compact. The first movable plate 111 is provided with a first escape hole 1111 extending in a moving direction thereof, and the first rack 113 is provided at the first escape hole 1111. The second movable plate 121 is provided with a second escape hole 1211 extending in the moving direction thereof, the second rack 123 is provided in the second escape hole 1211, and the driving gear 42 is provided through the first escape hole 1111 and the second escape hole 1211 in the axial direction of the driving gear 42. Based on the structural design of the first avoidance hole 1111 and the second avoidance hole 1211, the driving gear 42 can be stably limited in the first avoidance hole 1111 and the second avoidance hole 1211, particularly, for the embodiment in which the first movable plate 111 and the second movable plate 121 are overlapped with each other, the contact area of the driving gear 42 is increased, when the driving gear 42 is driven by the driving motor 41, the driving gear 42 cannot deviate from the position due to vibration, and the driving gear 42 with the deviation is likely to be meshed with the first rack 113 and the second rack 123 unstably or cannot be meshed, so that the first movable plate 111 and the second movable plate 121 cannot extend out of the main body 2 or cannot retract into the main body 2.

The fixed charging assembly 200 includes a support plate 210 and a third wireless charging unit, wherein a third coil 220 is integrated in the third wireless charging unit, and the support plate 210 is used for fixing the third coil 220 on the inner side of the carrying surface 21, so that the third coil 220 can complete wireless charging of the electronic device on the carrying surface 21.

In the wireless charging device 1 of the embodiment of the utility model, since at least two charging stations are provided, the wireless charging device 1 can allow at least two electronic devices to complete wireless charging at the same time, thereby improving the charging efficiency of the electronic devices, avoiding that multiple electronic devices need to complete charging through multiple wireless charging devices alone or avoiding that multiple electronic devices need to complete charging through multiple charging stations. Therefore, the scheme provided by the embodiment of the utility model avoids the problem of troublesome storage of a plurality of wireless charging devices or charging wires. In addition, because at least one wireless charging unit can extend out of the main body 2 and retract into the main body 2 in the scheme provided by the embodiment of the utility model, a user can selectively extend and retract the wireless charging unit according to the requirements of a use scene, so that the size of the device is reduced when the device is not used, and the device is convenient to store.

In an embodiment, referring to fig. 7, the main body 2 has a bottom surface 22, the bottom surface 22 is provided with a supporting table 24, the supporting table 24 may be made of rubber material to increase the contact friction between the supporting table 24 and a supporting surface (such as a table top or a ground), and the supporting table 24 is used to space the bottom surface 22 from the supporting surface to form a suspended area when contacting the supporting surface. Fig. 7 illustrates four support stands 24, with four support stands 24 being provided at the four corners of the bottom end surface 22, it being understood that in other embodiments the number of support stands 24 may be one or another. The bottom end face 22 is provided with a concave lead groove 25, the groove wall of the lead groove 25 is provided with a charging interface 26 for enabling the wireless charging device 1 to be connected with an external power supply, the charging interface can be a USB interface or a Type-c interface, and a wire can be connected with the charging interface 26 in a plugging mode along the hanging area and the lead groove 25. Since the charging interface 26 is hidden at the bottom end surface 22 of the main body in this embodiment, the coordination of the appearance of the main body 2 can be increased, and on this basis, the wire will not bend or wind, so that the wire is convenient for the lead.

In an embodiment, referring to fig. 8, the wireless charging device 1 includes a handle assembly 5, the handle assembly 5 includes a first housing 51, a second housing 52 and a light bar 53, at least one of the first housing 51 and the second housing 52 is transparent, the first housing 51 and the second housing 52 are abutted and enclosed to form a mounting cavity 54, and the light bar 53 is mounted in the mounting cavity 54. Opposite ends of the first housing 51 are respectively rotatably connected with the main body 2, so that the handle assembly 5 can be enclosed with the main body 2 to form a holding channel for holding by a human hand. Fig. 8 illustrates that both ends of the first housing 51 are provided with connection shafts 511, and the connection shafts 511 are rotatably connected to the connection holes 27 of the main body 2. Based on the handle assembly 5, the illumination can be completed through the light bar 53, so that in certain use scenes, the handle assembly 5 can be used as a desk lamp, and the handle assembly 5 achieves the effect of one object with multiple purposes. Note that, the light bar 53 includes a flexible light board 531 and an LED light 532 disposed on the flexible light board 531.

In an embodiment, referring to fig. 8 and 9, the main body 2 is provided with a display interface 300, the display interface 300 is capable of displaying time, and an outer surface of the display interface 300 may be covered with a transparent protective film 310.

The main body 2 is further provided with a control key 400 and a circuit board 500 connected to the control key, and the control key 400 may include a plurality of sub-keys for controlling rotation of the driving motor 41, lighting of the light bar 53, display of the display interface 300, and turning on and off of the whole device, respectively.

While the utility model has been described with reference to several exemplary embodiments, it is to be understood that the terminology used is intended to be in the nature of words of description and of limitation. As the present utility model may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (10)

1. The wireless charging device is characterized by comprising a main body and a movable charging assembly arranged on the main body, wherein the movable charging assembly comprises a first wireless charging unit and a second wireless charging unit, the first wireless charging unit and the second wireless charging unit can extend out of the main body to charge electronic equipment, and the first wireless charging unit and the second wireless charging unit can retract into the main body.

2. The wireless charging device of claim 1, further comprising a driver capable of driving the first wireless charging unit and the second wireless charging unit to move in different directions simultaneously and extend out of the main body for charging electronic equipment.

3. The wireless charging device of claim 2, wherein the first wireless charging unit and the second wireless charging unit move in directions parallel to each other and opposite to each other.

4. The wireless charging device of claim 2, wherein the first wireless charging unit comprises a first movable plate and a first coil disposed on the first movable plate, the first movable plate having a first rack extending along a moving direction thereof; the second wireless charging unit comprises a second movable plate and a second coil arranged on the second movable plate, and the second movable plate is provided with a second rack extending along the movable direction of the second movable plate; the driver comprises a driving motor and a driving gear, the output end of the driving motor is connected with the driving gear, the driving gear is simultaneously meshed with the first rack and the second rack, and the driving motor can simultaneously drive the first movable plate and the second movable plate to move in different directions through the driving gear so as to simultaneously stretch out the first coil and the second coil.

5. The wireless charging device of claim 4, wherein an end of the first movable plate facing away from the first coil is provided with a first baffle for limiting the first movable plate from protruding excessively beyond the body; the end part of the second movable plate, which is opposite to the second coil, is provided with a second baffle plate, and the second baffle plate is used for limiting the second movable plate to excessively extend out of the main body;

when the first movable plate and the second movable plate extend out of the main body to the limit position, the first baffle plate and the second baffle plate are simultaneously contacted with the driving gear and mutually abutted.

6. The wireless charging device according to claim 4, wherein the first movable plate and the second movable plate are stacked on each other, the first movable plate is provided with a first avoidance hole extending along a moving direction thereof, and the first rack is provided in the first avoidance hole; the second movable plate is provided with a second avoidance hole extending along the moving direction of the second movable plate, and the second rack is arranged in the second avoidance hole; the driving gear penetrates through the first avoidance hole and the second avoidance hole along the axial direction of the driving gear.

7. The wireless charging device of claim 1, wherein the body has a bearing surface and a side peripheral surface, the wireless charging device further comprising a stationary charging assembly adjacent the bearing surface, the stationary charging assembly comprising a third wireless charging unit for charging the electronic device when the electronic device is mounted to the bearing surface; the first wireless charging unit and the second wireless charging unit can extend out of the main body from the side peripheral surface and retract from the side peripheral surface; and/or the number of the groups of groups,

the main body is provided with a bottom end face, the bottom end face is provided with a supporting table, and the supporting table is used for enabling the bottom end face and the supporting face to form a suspension area at intervals when contacting the supporting face; the bottom end surface is provided with a concave lead wire groove, the groove wall of the lead wire groove is provided with a charging interface which enables the wireless charging device to be connected with an external power supply, and a lead wire can be connected with the charging interface in a plugging manner along the suspended area and the lead wire groove; and/or the number of the groups of groups,

the wireless charging device comprises a handle assembly, the handle assembly comprises a first shell, a second shell and a lamp strip, at least one of the first shell and the second shell is transparent, is in butt joint and encloses to form a mounting cavity, and the lamp strip is mounted in the mounting cavity; opposite ends of the first shell are respectively connected with the main body in a rotating way so that the handle assembly can be enclosed with the main body to form a holding channel; and/or the number of the groups of groups,

the main body is provided with a display interface, and the display interface can display time; and/or the number of the groups of groups,

at least one of the first wireless charging unit and the second wireless charging unit is provided with an earphone fixing hole, and the earphone fixing hole is used for being installed by a wireless earphone so as to complete wireless charging of the wireless earphone.

8. The wireless charging device is characterized by comprising a main body, and a movable charging assembly and a fixed charging assembly which are arranged on the main body, wherein the movable charging assembly comprises a first wireless charging unit which can extend out of the main body to charge electronic equipment; the fixed charging assembly includes a third wireless charging unit that is also capable of charging the electronic device.

9. The wireless charging device of claim 8, wherein the main body has a bearing surface and a side peripheral surface, the first wireless charging unit includes a first movable plate having a first rack extending in a moving direction thereof and a first coil provided to the first movable plate; the wireless charging device further comprises a driver, the driver comprises a driving motor and a driving gear, the output end of the driving motor is connected with the driving gear, the driving gear is meshed with the first rack, the driving motor can drive the first rack to linearly move through the driving gear, and then the first coil can be driven to extend out of the main body from the side peripheral surface or retract from the side peripheral surface; the fixed charging assembly is adjacent to the bearing surface, and comprises a third wireless charging unit for charging the electronic device when the electronic device is mounted on the bearing surface.

10. The wireless charging device of claim 8, wherein the body has a bottom end surface provided with a support table for spacing the bottom end surface from the support surface to form a suspended area when contacting the support surface; the bottom end surface is provided with a concave lead wire groove, the groove wall of the lead wire groove is provided with a charging interface which enables the wireless charging device to be connected with an external power supply, and a lead wire can be connected with the charging interface in a plugging manner along the suspended area and the lead wire groove; and/or the number of the groups of groups,

the wireless charging device comprises a handle assembly, the handle assembly comprises a first shell, a second shell and a lamp strip, at least one of the first shell and the second shell is transparent, is in butt joint and encloses to form a mounting cavity, and the lamp strip is mounted in the mounting cavity; opposite ends of the first shell are respectively connected with the main body in a rotating way so that the handle assembly can be enclosed with the main body to form a holding channel; and/or the number of the groups of groups,

the main body is provided with a display interface, and the display interface can display time.