CN210898604U - Wireless charger - Google Patents

Abstract

The utility model belongs to the technical field of wireless charging, it is great to solve current wireless charger volume, and the problem of inconvenient carrying provides a wireless charger. The wireless charger comprises a first wireless charging device, a second wireless charging device and a third wireless charging device, wherein the first wireless charging device is provided with a first wireless charging transmitter; the second wireless charging device is movably connected with the first wireless charging device and is provided with a second wireless charging emitter; the third wireless charging device is movably connected with the first wireless charging device and is provided with a third wireless charging transmitter; the second wireless charging device and the third wireless device may be housed within the first wireless charging device. The utility model discloses well wireless transmitter and the wireless charging device of third of charging of second can be acceptd in wireless charger to reduce the volume of wireless charger, make wireless charger portable.

Description

Wireless charger

Technical Field

The utility model belongs to the technical field of wireless charging, specifically a wireless charger.

Background

The wireless charger is a device for charging electronic devices by using the principle of electromagnetic induction between coils, and the principle is similar to a transformer. The sending end coil is connected with a wired power supply to generate an electromagnetic signal, and the receiving end coil induces the electromagnetic signal of the sending end to generate current to charge a battery of the electronic equipment. With the development of wireless charging technology and the diversification of the types of electronic devices, electronic devices capable of performing wireless charging are not limited to mobile phones, but also wearable intelligent devices such as smart watches and wireless earphones are common, so that a plurality of electronic devices need to be charged simultaneously; however, in the prior art, a wireless charger capable of charging a plurality of electronic devices at the same time is often large in size and inconvenient to carry.

Disclosure of Invention

In view of this, the utility model provides a wireless charger for solve current wireless charger volume great, the inconvenient problem of carrying.

The utility model adopts the technical proposal that:

the utility model provides a wireless charger, wireless charger includes:

the first wireless charging device is provided with a first wireless charging transmitter;

the second wireless charging device is movably connected with the first wireless charging device and is provided with a second wireless charging emitter;

the third wireless charging device is movably connected with the first wireless charging device and is provided with a third wireless charging emitter;

the second wireless charging device and the third wireless device may be housed within the first wireless charging device.

As a preferred aspect of the present invention, the first wireless charging device, the second wireless charging device, and the third wireless charging device are respectively used for wirelessly charging electronic devices of different sizes and/or different types.

As the utility model discloses an priority scheme, first wireless charging device is used for charging for mobile communication equipment, and the wireless charging device of second is used for charging for wearable electronic equipment, and the wireless charging device of third is used for charging for wireless earphone.

As a priority scheme of the present invention, the first wireless charging device is used for charging a first device to be charged, the second wireless charging device is used for charging a second device to be charged, and the third wireless charging device is used for charging a third device to be charged; the size of the first equipment to be charged is larger than that of the second wireless charging device, and the size of the second equipment to be charged is larger than that of the third wireless charging device.

As a preferred aspect of the present invention, the second wireless charging device and the third wireless charging device are respectively movably connected to the two opposite sides of the first wireless charging device.

As an priority scheme of the utility model, second wireless charging device and the wireless charging device of third can independently for first wireless charging device concertina movement.

As the utility model discloses an priority scheme, wireless charger still includes:

the second wireless charging device slides on the first guide mechanism in a reciprocating manner, so that the second wireless charging device extends out of the first wireless charging device or is accommodated in the first wireless charging device;

and the third wireless charging device slides on the first guide mechanism in a reciprocating manner, so that the third wireless charging device extends out of the first wireless charging device or is accommodated in the first wireless charging device.

As an preferential solution of the present invention, the first guiding mechanism has a first limit position and a second limit position, the second wireless charging device is in the first guiding mechanism at the first limit position, the second wireless charging device is accommodated in the first wireless charging device, the second wireless charging device is in the first guiding mechanism at the second limit position, the second wireless charging device extends out of the first wireless charging device.

As the utility model discloses an priority scheme, wireless charger still includes:

the first limiting mechanism is located at the second limiting position of the first guide mechanism and used for limiting the second wireless charging device when the second wireless charging device slides to the second limiting position of the first guide mechanism.

As the utility model discloses an priority scheme, first guiding mechanism includes first slide rail and first slider, first slide rail and first slider sliding connection, the slide rail is located on the first wireless charging device, first slider with the wireless charging device of second is connected.

To sum up, the utility model has the advantages that:

the embodiment of the utility model provides an on first wireless charging device basis, still set up the wireless charging device of second and the wireless charging device of third in the wireless charger, can charge to multiple wireless charging electronic equipment, when need not to use, the user can accept the wireless charging device of second and the wireless charging device of third in first wireless charging device to reduce the volume of wireless charger, make wireless charger portable.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, without creative efforts, other drawings can be obtained according to these drawings, and these drawings are all within the protection scope of the present invention.

Fig. 1 is a schematic structural diagram of a wireless charger in an embodiment of the present invention when a second wireless charging device and a third wireless charging device are in a storage state;

fig. 2 is a schematic structural diagram of the wireless charger in the embodiment of the present invention when the second wireless charging device and the third wireless charging device are in the unfolded state;

fig. 3 is a schematic structural diagram of the wireless charger of fig. 2 when the second wireless charging device is hidden;

fig. 4 is a schematic structural diagram of the wireless charger of fig. 2 according to the embodiment of the present invention when the third wireless charging device is hidden;

fig. 5 is an exploded schematic view of the wireless charger of fig. 2 according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of the wireless charger of fig. 1 according to the embodiment of the present invention when the first upper housing is hidden;

fig. 7 is a schematic structural diagram of the wireless charger of fig. 2 when the first upper case is hidden;

fig. 8 is a schematic structural diagram of the wireless charger of fig. 7 when the second upper case and the third upper case are hidden;

fig. 9 is a schematic view of a connection structure of the rebounder and the clamping member in the embodiment of the present invention;

fig. 10 is a schematic structural diagram of the wireless charger according to the embodiment of the present invention when the first lower case is hidden;

FIG. 11 is an enlarged view of a portion of FIG. 10 at A;

FIG. 12 is an enlarged view of a portion of FIG. 10 at B;

fig. 13 is a schematic structural diagram of a wireless charger according to another embodiment of the present invention;

fig. 14 is a rear view of fig. 13.

Parts and numbering in the drawings:

100. a first wireless charging device; 101. a first wireless charging transmitter; 102. a first accommodating chamber; 103. a second accommodating chamber; 104. a first rebounder; 105. a second rebounder; 106. a first slide rail; 107. a first limit groove; 108. a second limit groove; 109. a first upper case; 110. a first lower case; 111. a wireless charging transmitter cradle; 112. a rebounder bracket; 113. a second slide rail;

200. a second wireless charging device; 201. a second wireless charging transmitter; 202. a first clip member; 203. a first slider; 204. a first chute; 205. a first limit protrusion; 206. a second upper case; 207. a second lower case; 208. a first anti-skid pattern;

300. a third wireless charging device; 301. a third wireless charging transmitter; 302. a second clip member; 303. a second slider; 304. a second chute; 305. a second limit bulge; 306. a third upper case; 307. a third lower case; 308. and a second anti-slip pattern.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. In case of conflict, the various features of the embodiments and examples of the present invention may be combined with each other and are within the scope of the present invention.

Example (b):

referring to fig. 1 to 8, an embodiment of the present invention discloses a wireless charger, which includes a first wireless charging device 100, a second wireless charging device 200, and a third wireless charging device 300; the first wireless charging device 100 includes a first upper housing 109 and a first lower housing 110 that are fastened together, a first wireless charging transmitter 101 and a wireless charging transmitter support 111 are disposed in a space formed by the first upper housing 109 and the first lower housing 110, and the first wireless charging transmitter 101 is mounted on the wireless charging transmitter support 111. In the figure, a first accommodating cavity 102 is provided on the left side of the first wireless charging device 100, and a second accommodating cavity 103 is provided on the right side of the first wireless charging device 100 (the first accommodating cavity 102 and the second accommodating cavity 103 are provided on the left and right opposite sides of the first wireless charging device 100, respectively).

The right end of the second wireless charging device 200 is disposed in the first accommodating cavity 102, the second wireless charging device 200 includes a second upper housing 206 and a second lower housing 207 that are fastened together, and a second wireless charging transmitter 201 is disposed in a space formed by the second upper housing 206 and the second lower housing 207 that are fastened together. The left end of the third wireless charging device 300 is disposed in the second accommodating cavity 103, the third wireless charging device 300 includes a third upper casing 306 and a third lower casing 307 which are fastened together, and a third wireless charging transmitter 301 is disposed in a space formed by the third upper casing 306 and the third lower casing 307 which are fastened together. Thus, as can be seen from fig. 1 and 2, the first accommodating cavity 102 in this embodiment surrounds the second wireless charging device 200 from the front, rear, top, bottom and right sides of the second wireless charging device 200, and the second accommodating cavity 103 surrounds the third wireless charging device 300 from the front, rear, top, bottom and left sides of the third wireless charging device 300.

The second wireless charging device 200 has a first receiving state and a first unfolding state, when the second wireless charging device 200 is in the first receiving state, a part of the second wireless charging device 200 is located in the first receiving cavity 102, another part of the second wireless charging device 200 is located outside the first receiving cavity 102, and at this time, the second wireless charger is located inside the first receiving cavity 102; when the second wireless charging device 200 is in the first unfolded state, the left end of the second wireless charging device 200 extends out of the first accommodating cavity 102, so that the second wireless charger is located outside the first accommodating cavity 102. The third wireless charging device 300 also has a second receiving state and a second unfolding state, when the third wireless charging device 300 is in the second receiving state, a part of the third wireless charging device 300 is located in the second receiving cavity 103, another part of the third wireless charging device 300 is located outside the second receiving cavity 103, and at this time, the third wireless charger is located inside the second receiving cavity 103; when the third wireless charging device 300 is in the second unfolded state, the right end of the third wireless charging device 300 extends out of the second accommodating cavity 103, so that the third wireless charger is located outside the second accommodating cavity 103 (the unfolded state is a state where the second wireless charging device or the third wireless charging device extends out of the first wireless charging device). The second wireless charging device 200 and the third wireless charging device 300 can be separately extended from the first wireless charging device 100.

The working principle of the wireless charger in this embodiment is as follows: when the second wireless charging device 200 and the third wireless charging device 300 are in the accommodated state, a part of the second wireless charging device 200 and a part of the third wireless charging device 300 are exposed outside the accommodating cavity, and when a user needs to use the second wireless charging device 200 or the third wireless charging device 300, the part of the second wireless charging device 200 and the part of the third wireless charging device 300 exposed outside the accommodating cavity can be pulled out, that is, the wireless charging transmitters in the second wireless charging device 200 and the third wireless charging device 300 can be moved to the outside of the accommodating cavity for use. When the user does not need to use the second wireless charging device 200 and the third wireless charging device 300, the second wireless charging device 200 and the third wireless charging device 300 can be accommodated in the first wireless charging device 100, so that the volume of the wireless charger is reduced, and the wireless charger is convenient to carry.

In this embodiment, the first wireless charging device 100 is used for charging a mobile communication device (such as a smart phone and a tablet), the second wireless charging device 200 is used for charging a wearable electronic device (such as a smart watch and a smart bracelet), and the third wireless charging device 300 is used for charging a wireless headset (such as an airpots headset, in this embodiment, the third wireless charging device is a wireless charging box of the airpots headset, and the wireless charging box charges the airpots headset again). The wireless charger in this embodiment can charge a variety of different types of devices.

In this embodiment, the first wireless charging apparatus 100 may also be configured to charge a first device to be charged (e.g., a smart phone or a tablet), the second wireless charging apparatus 200 is configured to charge a second device to be charged (e.g., a smart watch or a smart bracelet), and the third wireless charging apparatus 300 is configured to charge a third device to be charged (e.g., an airpots earphone, a wireless charging box of the airpots earphone is charged, and the wireless charging box charges the airpots earphone again). The size of the first device to be charged is larger than that of the third device to be charged (for example, the size of a tablet computer is larger than that of an airpots earphone wireless charging box), and the size of the third device to be charged is larger than that of the second device to be charged (for example, the size of the airpots earphone wireless charging box is larger than that of a smart watch). The wireless charger in this embodiment can charge a variety of different sized devices.

Referring to fig. 1 to 9, the structure of the wireless charger in another embodiment of the present invention is different, specifically, a first rebounder 104, a second rebounder 105 and a rebounder bracket 112 are further disposed in a space formed by the first upper case 109 and the first lower case 110 being fastened together, and the first rebounder 104 and the second rebounder 105 are both mounted on the rebounder bracket 112. Meanwhile, a first card member 202 is arranged at the right end of the second wireless charging device 200 (the first card member 202 can be integrally formed with the second upper housing 206, and the first card member 202 can also be detachably connected with the second upper housing 206), and the first card member 202 can be clamped in the first rebounder 104; a second clamping member 302 is disposed at the left end of the third wireless charging device 300 (the second clamping member 302 and the third upper housing 306 are integrally formed, and the second clamping member 302 can also be detachably connected to the third upper housing 306), the second clamping member 302 can be clamped in the second rebounding device 105 (in this embodiment, the first rebounding device 104 and the second rebounding device 105 can be a rebounding device seat in a ZM-4516 type beetle self-locking rebounding device manufactured by mei hardware ltd.

In this embodiment, the second wireless charging device 200 has a first receiving state and a first unfolding state, and when the second wireless charging device 200 is in the first receiving state, the second wireless charging device 200 is entirely located in the first receiving cavity 102; when the left end of the second wireless charging device 200 is pressed to the right by the user, the first rebounder 104 rebounds the left end of the first clip member 202 out of the first accommodating cavity 102, and the user pulls out the left end of the second wireless charging device 200 to the left to enable the second wireless charging transmitter 201 to move to the outside of the accommodating cavity for use, at this moment, the second wireless charging device 200 is in a first unfolding state. The third wireless charging device 300 has a second accommodating state and a second unfolding state, and when the third wireless charging device 300 is in the second accommodating state, the third wireless charging device 300 is entirely located in the second accommodating cavity 103; when the second end of the third wireless charging device 300 is pressed, the second rebounder 105 rebounds the right end of the second clip 302 out of the second accommodating cavity 103, and the user pulls out the right end of the third wireless charging device 300 to the right to enable the third wireless charging transmitter 301 to move to the outside of the accommodating cavity for use, at this time, the third wireless charging device 300 is in a second unfolding state.

The beneficial effect of wireless charger in this embodiment does: the second wireless charging device 200 and the third wireless charging device 300 are all located in the accommodating cavity when in the accommodating state, so that the volume of the charger is further reduced, and the carrying is convenient.

Referring to fig. 1 to 12, the structure of the wireless charger in another embodiment of the present invention is different, specifically, two pairs of first sliding rails 106 are disposed in the first accommodating cavity 102, the first sliding rails 106 of the two pairs of first sliding rails 106 are disposed in parallel, one pair of first sliding rails 106 is disposed on one side of the first accommodating cavity 102, and the other pair of first sliding rails 106 is disposed on the other side of the first accommodating cavity 102; two first slide rails 106 of the pair of first slide rails 106 are disposed on the first upper case 109 and the first lower case 110, respectively. Two sides of the second wireless charging device 200 are respectively provided with a first slider 203, each first slider 203 corresponds to a pair of first slide rails 106, the first slider 203 is disposed between two first slide rails 106 of the corresponding pair of first slide rails 106, the upper and lower surfaces of the first slider 203 are respectively provided with a first sliding groove 204, the first sliding groove 204 located on the upper surface of the first slider 203 is slidably disposed on the first slide rail 106 of the first upper housing 109, and the first sliding groove 204 located on the lower surface of the first slider 203 is slidably disposed on the first slide rail 106 of the first lower housing 110, so that the second wireless charging device 200 reciprocally slides along the slide rails. The first slide rail 106 has two limit positions, in fig. 1 to 12, the right end of the first slide rail 106 is the first limit position, and the left end of the first slide rail 106 is the second limit position; when the second wireless charging device 200 is at the first limit position, the second wireless charging device 200 is in the accommodated state; when the second wireless charging device 200 is at the second limit position, the second wireless charging device 200 is in the unfolded state.

Meanwhile, as shown in fig. 11, a first limiting mechanism is further disposed on a side of the first slider 203 away from the second wireless charging device 200, the first limiting mechanism includes a first limiting protrusion 205 and a first limiting groove 107, the first limiting protrusion 205 is disposed on a side of the first slider 203 away from the second wireless charging device 200, the first limiting groove 107 is located in the first accommodating cavity 102 and located at a second limiting position of the first sliding rail 106 (the first limiting groove 107 is disposed on the first upper housing 109), when the second wireless charging device 200 is in the first unfolded state, the first limiting protrusion 205 is clamped in the first limiting groove 107, and the second wireless charging device is fed back to the second limiting position and is limited at the same time.

Two pairs of second sliding rails 113 are arranged in the second accommodating cavity 103, the second sliding rails 113 in the two pairs of second sliding rails 113 are arranged in parallel, one pair of second sliding rails 113 is arranged on one side of the second accommodating cavity 103, and the other pair of second sliding rails 113 is arranged on the other side of the second accommodating cavity 103; two second slide rails 113 of the pair of second slide rails 113 are provided on the first upper case 109 and the first lower case 110, respectively. Two sides of the third wireless charging device 300 are respectively provided with a second slide rail 113, each second slide rail 113 corresponds to a pair of second slide rails 113, the second slide rails 113 are disposed between two second slide rails 113 of the corresponding pair of second slide rails 113, the upper and lower surfaces of the second slide rails 113 are respectively provided with a second sliding chute 304, the second sliding chute 304 located on the upper surface of the second slide rail 113 is slidably disposed on the second slide rail 113 on the first upper housing 109, and the second sliding chute 304 located on the lower surface of the second slide rail 113 is slidably disposed on the second slide rail 113 on the first lower housing 110, so that the third wireless charging device 300 reciprocally slides along the slide rails. The second slide rail 206 has two limit positions, in fig. 1 to 12, the left end of the second slide rail 206 is the third limit position, and the right end of the second slide rail 206 is the fourth limit position; when the third wireless charging device 300 is at the third limit position, the third wireless charging device 300 is in the accommodated state; when the third wireless charging device 300 is at the fourth limit position, the third wireless charging device 300 is in the unfolded state.

As shown in fig. 12, a second limiting mechanism is further disposed on a side of the second slide rail 113 away from the third wireless charging device 300, the second limiting mechanism includes a second limiting protrusion 305 and a second limiting groove 108, the second limiting protrusion 305 is disposed on a side of the second slide block 303 away from the third wireless charging device 200, the second limiting groove 108 is located in the second accommodating cavity 103 and located at a fourth limiting position of the second slide rail 113 (the second limiting groove 108 is disposed on the first upper housing 109), when the third wireless charging device 300 is in the first unfolded state, the second limiting protrusion 305 is clamped in the second limiting groove 108, and the third wireless charging device is fed back to the fourth limiting position and is limited at the same time.

Referring to fig. 13 to 14, the structure of the wireless charger in another embodiment of the present invention is different, specifically, the first receiving cavity 102 and the second receiving cavity 103 in this embodiment are groove-shaped, that is, the first receiving cavity 102 in this embodiment surrounds the second wireless charging device 200 from the front, top, bottom and right sides of the second wireless charging device 200 (the back side of the second wireless charging device 200 is not surrounded by the first receiving cavity 102), and the second receiving cavity 103 surrounds the third wireless charging device 300 from the front, top, bottom and left sides of the third wireless charging device 300 (the back side of the third wireless charging device 300 is not surrounded by the second receiving cavity 103). Meanwhile, in this embodiment, the rear side of the second wireless charging device 200 is further provided with a first anti-slip pattern 208, and the rear side of the third wireless charging device 300 is further provided with a second anti-slip pattern 308; after such setting, the user can push the anti-slip pattern through the finger to drive the second wireless charging device 200 or the third wireless charging device 300 to extend out of the accommodating cavity for use.

The wireless charger of the present invention is different in structure, specifically, the first accommodating cavity 102 and the second accommodating cavity 103 in this embodiment are through-groove shaped, that is, the first accommodating cavity 102 in this embodiment surrounds the second wireless charging device 200 from the upper, lower and right sides of the second wireless charging device 200 (the front side and the rear side of the second wireless charging device 200 are not surrounded by the first accommodating cavity 102), and the second accommodating cavity 103 surrounds the third wireless charging device 300 from the front, upper, lower and left sides of the third wireless charging device 300 (the front side and the rear side of the third wireless charging device 300 are not surrounded by the second accommodating cavity 103). Meanwhile, in the present embodiment, the front side and the rear side of the second wireless charging device 200 are both provided with the first anti-slip patterns 208, and the front side and the rear side of the third wireless charging device 300 are both provided with the second anti-slip patterns 308; after such setting, the user can push the anti-slip pattern from the front side or the back side of the second wireless charging device 200 or the third wireless charging device 300 to make the wireless charging device slip, so that the user operation is more convenient.

The utility model discloses a structure of wireless charger in another embodiment is different, specifically be equipped with first motor in the first chamber 102 that holds in this embodiment, coaxial coupling has first lead screw on the output shaft of this first motor, threaded connection has first screw-nut on first lead screw, this first screw-nut and the wireless charging device 200 fixed connection of second, thereby after the rotation of the output shaft of then first motor (anti) direction, stretch out (accommodate) through first lead screw, first screw-nut drive the wireless charging device 200 of second. Meanwhile, a second motor is arranged in the second accommodating cavity 103, a second lead screw is coaxially connected to an output shaft of the second motor, a second lead screw nut is connected to the second lead screw in a threaded manner, and the second lead screw nut is fixedly connected with the third wireless charging device 300, so that the third wireless charging device 300 is driven to extend out (be accommodated) through the second lead screw and the second lead screw nut after the output shaft of the second motor rotates in the positive (reverse) direction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A wireless charger, comprising:

the first wireless charging device is provided with a first wireless charging transmitter;

the second wireless charging device is movably connected with the first wireless charging device and is provided with a second wireless charging emitter;

the third wireless charging device is movably connected with the first wireless charging device and is provided with a third wireless charging emitter;

the second wireless charging device and the third wireless device may be housed within the first wireless charging device.

2. The wireless charger of claim 1, wherein the first wireless charging device, the second wireless charging device, and the third wireless charging device are each configured to wirelessly charge different sizes and/or different types of electronic devices.

3. The wireless charger of claim 2, wherein the first wireless charging device is configured to charge a mobile communication device, the second wireless charging device is configured to charge a wearable electronic device, and the third wireless charging device is configured to charge a wireless headset.

4. The wireless charger according to claim 2, wherein the first wireless charging apparatus is configured to charge a first device to be charged, the second wireless charging apparatus is configured to charge a second device to be charged, and the third wireless charging apparatus is configured to charge a third device to be charged; the size of the first equipment to be charged is larger than that of the second wireless charging device, and the size of the second equipment to be charged is larger than that of the third wireless charging device.

5. The wireless charger of claim 1, wherein the second wireless charging device and the third wireless charging device are each movably connected to opposite sides of the first wireless charging device.

6. The wireless charger of any one of claims 1 to 5, wherein the second wireless charging device and the third wireless charging device are independently telescopically movable relative to the first wireless charging device.

7. The wireless charger of claim 6, further comprising:

the second wireless charging device slides on the first guide mechanism in a reciprocating manner, so that the second wireless charging device extends out of the first wireless charging device or is accommodated in the first wireless charging device;

and the third wireless charging device slides on the first guide mechanism in a reciprocating manner, so that the third wireless charging device extends out of the first wireless charging device or is accommodated in the first wireless charging device.

8. The wireless charger of claim 7, wherein the first guide mechanism has a first limit position and a second limit position, wherein the second wireless charging device is received within the first wireless charging device when the second wireless charging device is in the first limit position on the first guide mechanism, and wherein the second wireless charging device extends out of the first wireless charging device when the second wireless charging device is in the second limit position on the first guide mechanism.

9. The wireless charger of claim 8, further comprising:

the first limiting mechanism is located at the second limiting position of the first guide mechanism and used for limiting the second wireless charging device when the second wireless charging device slides to the second limiting position of the first guide mechanism.

10. The wireless charger of claim 8, wherein the first guiding mechanism comprises a first sliding rail and a first sliding block, the first sliding rail is slidably connected with the first sliding block, the sliding rail is disposed on the first wireless charging device, and the first sliding block is connected with the second wireless charging device.

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