CN220673431U - Charging assembly, charging base, charging system and cart - Google Patents

Abstract

The application discloses subassembly, charging base, charging system and shallow charge, the subassembly that charges is used for charging for cleaning machine under water, and the subassembly that charges includes carrier, charging module, charges piece and elastic component. The charging module is arranged on the bearing piece, the charging piece is arranged on the charging module, and the charging piece is used for charging the electronic equipment; the flexible direction of elastic component is parallel with the installation direction of charging member, and the elastic component is used for charging module and charging member or charging module and carrier swing joint. According to the embodiment of the application, the elastic piece is arranged, so that the impact force generated by the electronic equipment in the placing process can be relieved by the elastic piece, and the elastic piece is deformed at first to absorb the energy generated by the impact, so that the safety of the charging module is protected, and the purpose of prolonging the service life of the charging assembly is achieved.

Description

Charging assembly, charging base, charging system and cart

Technical Field

The application relates to the technical field of charging equipment, in particular to a charging assembly, a charging base, a charging system and a cart.

Background

In the related art, the underwater cleaning machine generally performs power supply work through a battery, and after the electric quantity of the battery is used up, the underwater cleaning machine needs to be placed on a charging base for charging.

Disclosure of Invention

The embodiment of the application provides a charging assembly, charging base, charging system and shallow, can slow down the impact force of cleaning machine under water to the piece that charges when placing to the protection piece that charges.

In a first aspect, an embodiment of the present application provides a charging assembly for charging an underwater cleaner, where the charging assembly includes a carrier, a charging module, a charging member and an elastic member, the charging module is disposed on the carrier, and the charging member is mounted on the charging module and is used for charging an electronic device; the flexible direction of elastic component is parallel with the installation direction of charging member, and the elastic component is used for charging module and charging member swing joint or charging module and carrier swing joint.

In some embodiments of the present application, the elastic member is located between the charging module and the carrier, and the charging module is movably connected with the carrier through the elastic member; or, the elastic piece is arranged on the charging module, and is connected with the charging piece, and the charging piece is movably connected with the charging module through the elastic piece.

In some embodiments of the present application, when the elastic component is located between the charging module and the bearing component, the charging component is an inelastic single needle, and the single needle can avoid electrolytic corrosion of the solid needle caused by external water entering the single needle, so that electrolytic corrosion of water to the single needle is relatively reduced.

In some embodiments of the present application, when the elastic member is disposed on the charging module, the elastic member and the charging member together form a spring pin. The spring needle can buffer the electronic equipment to a certain extent, so that the charging piece is protected, and the damage to the charging piece is reduced.

In some embodiments of the present application, the elastic force of the elastic member is greater than 0.06N, which is beneficial to protecting the charging module.

In some embodiments of the present application, the charging module has a guide, the guide is located at a side of the charging module near the bearing part, and the guide and the bearing part are movably connected along a vertical direction, and the guide makes the charging module move only along an axial direction of the guide, so that the charging module is prevented from being shifted in other directions.

In some embodiments of the present application, the charging module is provided with a groove with an opening at one end, the elastic member is provided with a through hole, at least part of the guiding member is located in the groove, the guiding member is arranged through the through hole of the elastic member, and the charging module moves along the direction of the guiding member under the action of the elastic member; the groove is positioned at one end of the charging module, which is close to the bearing piece.

In some embodiments of the present application, the bearing member is provided with a containing cavity for containing the charging module, and the elastic member is connected with the charging module and the bottom wall of the containing cavity; the peripheral side wall of the charging module is provided with a guide surface, and when the charging module moves to the elastic piece in the accommodating cavity, the guide surface is used for contacting with the side wall of the accommodating cavity; when the elastic piece is in an unstressed state, the guide surface is separated from the side wall of the accommodating cavity. When the charging module moves up and down in the accommodating cavity, if the side wall of the accommodating cavity is contacted with the guide surface, the side wall of the accommodating cavity can move along the guide surface, so that the charging module enters the accommodating cavity, and the position of the charging module is prevented from being greatly deviated.

In some embodiments of the present application, when the charging module is in a charging state, the elastic member is in a compressed state under the pressure of the charging module, and the guiding surface is in contact with the side wall of the accommodating cavity.

In some embodiments of the present application, a first opening communicating with the accommodating cavity is formed on the carrier, the first opening is used for the charging module to come in or go out of the accommodating cavity, and a first step structure is arranged on an inner side wall of the first opening; the tip of module that charges is provided with second step structure, and second step structure and first step structure are arranged along the direction that the module that charges got into the chamber of holding, and the module that charges is located the chamber of holding after, second step structure and first step structure butt to can make first step structure form spacingly to the module that charges, prevent to charge the module and lead to under water cleaning machine and the poor contact between the piece that charges because of the position offset.

In some embodiments of the application, the charging member is provided with a plurality of, a plurality of charging members are arranged at intervals, and the center distance interval between two adjacent charging members is greater than 5mm. A certain distance is spaced between two adjacent charging members, so that impurities or accumulated water can be conveniently cleaned manually.

In a second aspect, embodiments of the present application further provide a charging base including a charging assembly as described in any of the embodiments above.

In a third aspect, embodiments of the present application further provide a charging system, including an underwater cleaning machine and a charging base as described in the foregoing embodiments, where the underwater cleaning machine is disposed on the charging base.

In a fourth aspect, embodiments of the present application further provide a cart comprising a handle, wheels, and a base, the handle and wheels being connected to the base, the base comprising a charging assembly as described in any of the embodiments above or a charging base as described in any of the embodiments above.

The beneficial effects of the embodiment of the application are that: according to the embodiment of the application, the elastic piece is arranged, so that the impact force generated by the electronic equipment in the placing process can be relieved by the elastic piece, and the elastic piece is deformed at first to absorb the energy generated by the impact, so that the safety of the charging module is protected, and the purpose of prolonging the service life of the charging assembly is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present application 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 below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a charging base according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a charging base according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of the spring needle in a free state according to an embodiment of the present application;

FIG. 4 is a schematic diagram of a spring needle in a charged state according to an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a charging module in a free state according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a charging module in a charging state according to an embodiment of the present application;

fig. 7 is a schematic structural view of a charging module and a part of a carrier according to another embodiment of the present application;

fig. 8 is a schematic structural view of a charging base and an underwater cleaner according to an embodiment of the present application.

Reference numerals:

10. a carrier; 11. a placement unit; 12. a receiving chamber; 13. a first opening; 14. a first step structure; 15. a guide hole; 20. a charging module; 21. a charging member; 22. a guide surface; 23. a second step structure; 24. a groove; 30. an elastic member; 31. a spring needle; 40. a guide member; 2. a charging base; 3. a cart; 51. a base; 52. a wheel; 53. a handle; 4. an underwater cleaner.

Detailed Description

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the related art, the following description will be made in detail with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the related art, the underwater cleaning machine generally performs power supply work through a battery, when the electric quantity of the battery is exhausted, a user is required to manually move the underwater cleaning machine to a charging base for charging, and meanwhile, when the underwater cleaning machine is being charged, the charging base and the overall weight of the underwater cleaning machine are large, so that the underwater cleaning machine is inconvenient for the user to move. If the charging base and the underwater cleaner are pushed by adding the frame outside, the whole volume is larger, the occupied space is larger, and the position of the charging base on the frame can be deviated in the moving process.

For the above situation, please refer to fig. 1-5, the present application proposes a charging assembly (not shown in the drawings) including a carrier 10, a charging module 20, a charging member 21 and an elastic member 30. The charging module 20 is disposed on the carrier 10, the charging member 21 is mounted on the charging module 20, and the charging member 21 is used for charging the electronic device.

The extending direction of the elastic member 30 is parallel to the mounting direction of the charging member 21, and the elastic member 30 is used for movably connecting the charging module 20 with the charging member 21 or movably connecting the charging module 20 with the carrier 10, that is, the charging module 20 can be movably connected with the charging member 21 through the elastic member 30; alternatively, the charging module 20 may be movably connected with the carrier 10 through the elastic member 30.

It can be understood that, as shown in fig. 5-6, the elastic member 30 is located between the charging module 20 and the carrier 10, the charging module 20 is movably connected with the carrier 10 through the elastic member 30, and when the charging member 21 contacts the electronic device, the charging member 21 and the charging module 20 are subjected to an external force, the elastic member 30 is compressed, so that the charging module 20 moves in a direction approaching to the carrier 10.

Alternatively, in some embodiments, as shown in fig. 3-4, the elastic member 30 is disposed on the charging module 20, and the elastic member 30 is connected to the charging member 21, and the charging member 21 is movably connected to the charging module 20 through the elastic member 30, and at this time, the charging member 21 contacts with the electronic device, and the charging member 21 is subjected to an external force, so that the elastic member 30 is compressed, and the charging member 21 moves in a direction approaching the charging module 20.

Specifically, the carrier 10 may be used to directly contact with an electronic device, when the electronic device needs to be charged, the electronic device is placed close to the carrier 10, and then the electronic device is electrically connected to the charging member 21, so as to facilitate charging of the electronic device; alternatively, taking the electronic device as the underwater cleaner 4 as an example (as shown in fig. 5), the carrier 10 includes a placement portion 11, where the placement portion 11 is used for placing the underwater cleaner 4, and meanwhile, the charging member 21 is located in the placement portion 11 to charge the underwater cleaner 4, where the placement portion 11 provides a placement space and support for the underwater cleaner 4. As shown in fig. 5, the elastic member 30 may be disposed at a side of the charging module 20 near the carrier 10, and as shown in fig. 3, the elastic member 30 may be disposed at a side of the charging module 20 far from the carrier 10; of course, the elastic members 30 may be disposed on both sides adjacent to the charging module 20, respectively, together with the carrier 10.

It should be noted that, the charging module 20 may supplement electric quantity for the electronic device, when the electronic device is placed, the electronic device generates an impact force towards the charging member 21 when approaching, or the electronic device generates a downward impact force due to its own weight, the impact force may cause the charging module 20 to move, at this time, the elastic member 30 between the charging module 20 and the carrier 10 is compressed and deformed to buffer the impact force generated by the electronic device, thereby protecting the charging module 20; when the electronic device is far away from the carrier 10, the charging module 20 returns to the original position under the action of the elastic member 30; alternatively, the charging member 21 returns to its original position by the elastic member 30. The extending and contracting direction of the elastic member 30 is parallel to the mounting direction of the charging member 21, that is, the elastic member 30 may perform extending and contracting movement along the mounting direction of the charging member 21, for example, the charging member 21 is vertically mounted on the carrier 10, the extending and contracting direction of the elastic member 30 extends vertically, the elastic member 30 may be a spring, a shrapnel, or a soft rubber member, and the electronic device may be the underwater cleaner 4, and of course, the electronic device may also be other devices needing to be charged.

It should be further noted that, in this embodiment of the present application, by setting the elastic member 30 on the charging module 20, the impact force generated in the process of placing the electronic device can be slowed down by the elastic member 30, and the elastic member 30 is deformed first to absorb the energy generated by the impact, so as to protect the safety of the charging module 20, thereby achieving the purpose of prolonging the service life of the charging assembly.

It should be noted that, taking an electronic device as the underwater cleaner 4 as an example, the charging module 20 includes a charging member 21, which is equivalent to an electrical connector, for electrically connecting with the underwater cleaner 4 to provide power supplement for the underwater cleaner 4. In some embodiments, when the elastic member 30 is located between the charging module 20 and the carrier 10, the charging member 21 is a non-elastic single needle, and the underwater cleaning machine 4 has a downward impact force on the charging module 20 during the process of placing and charging (from fig. 5 to fig. 6), at this time, the elastic member 30 is acted on and begins to compress, that is, the charging module 20 is changed from a free state to a charged state (i.e. compressed state), and the corresponding portion of the underwater cleaning machine 4 is contacted with the non-elastic single needle and electrified. When the underwater cleaner 4 is charged, the single needle is of a solid structure, namely, the single needle has no internal structure, so that the electrolytic corrosion of the single needle caused by external water entering the single needle can be avoided, and the electrolytic corrosion of the water to the single needle is relatively reduced. Meanwhile, the single needle can be located on the bearing piece 10, the elastic piece 30 is located between the charging module 20 and the seat body 51, the single needle and the elastic piece 30 are separated, the single needle is convenient to clean independently, the elastic piece 30 slows down impact force, the single needle can be protected from being damaged, and therefore the service life of the charging piece 21 is prolonged.

Referring to fig. 2-4, in some embodiments of the present application, when the elastic member 30 is disposed on the charging module 20, the elastic member 30 and the charging member 21 together form a spring pin 31. It will be appreciated that during the placement of the subsea cleaner 4 (from fig. 3 to fig. 4), the subsea cleaner 4 has a downward impact force on the charging member 21, at which point the spring pins 31 will be acted upon and begin to compress, i.e. the spring pins 31 change from a free state to a charged state (i.e. compressed state). The spring needle 31 is adopted in the embodiment, so that the underwater cleaner 4 can be buffered to a certain extent, the charging member 21 is protected, and damage to the charging member 21 is reduced. At the same time, the spring needle 31 also has stable contact resistance, so that the charging stability of the underwater cleaner 4 can be ensured. The spring needle 31 is a spring probe formed after riveting or prepressing by a precision instrument, and a specific working principle of the spring needle 31 is disclosed in the related art, which is not described herein.

In some embodiments, the elastic force of the elastic member 30 is greater than 0.06N. It will be appreciated that the resilient member 30 may provide some cushioning of the submerged cleaning machine 4, whereby the resilient member 30 needs to be resilient enough to facilitate protection of the charging module 20.

Referring to fig. 1, in some embodiments of the present application, a plurality of charging members 21 are provided, the plurality of charging members 21 are arranged at intervals, and a center-to-center distance between two adjacent charging members 21 is greater than 5mm. It will be appreciated that two adjacent charging members 21 are spaced apart a distance to facilitate manual cleaning of impurities or water accumulation.

Referring to fig. 5, in some embodiments of the present application, the charging module 20 has a guide member 40, the guide member 40 is located on a side of the charging module 20 near the carrier 10, and the guide member 40 is movably connected with the carrier 10.

It should be noted that, the carrier 10 may be provided with a guide hole 15 through which the guide 40 passes, and the guide 40 may move in the guide hole 15, so that the charging module 20 may only move along the axial direction of the guide 40, thereby avoiding a positional shift of the charging module 20 along a direction other than the guide 40. The elastic member 30 is taken as a spring, the guide member 40 is taken as a guide rod, and the spring can be sleeved on the guide rod, however, the spring can be arranged in parallel with the guide rod, and the spring can only stretch and retract along the axial direction of the guide rod. If the extending and contracting direction of the elastic member 30 extends vertically, the guide member 40 is movably connected with the carrier 10 vertically, and the guide member 40 moves vertically in the guide hole 15. The material of the guide member 40 according to the embodiment of the present application is not limited, and for example, the guide member 40 may be made of metal, wood, hard plastic, or the like.

Referring to fig. 5-6, in some embodiments of the present application, the charging module 20 is provided with a recess 24 with an opening at one end, the recess 24 is located at an end of the charging module 20 near the carrier 10, and at least a portion of the guide member 40 is located in the recess 24, that is, an end of the guide member 40 is located in the recess 24, so as to prevent misalignment or offset between the guide member 40 and the charging module 20. The elastic member 30 is provided with a through hole (not shown), the guide member 40 is penetrated through the through hole of the elastic member, thereby preventing dislocation or deviation between the guide member 40 and the elastic member 30, and the charging module 20 can move along the extending direction of the guide member 40 toward the direction approaching the carrier 10 when the elastic member 30 is compressed; during the restoration of the elastic member 30, the charging module 20 may move in a direction away from the carrier 10 along the extending direction of the guide member 40.

Referring to fig. 5-7, in some embodiments of the present application, a receiving cavity 12 for receiving the charging module 20 is formed on the carrier 10, and the elastic member 30 is connected to the charging module 20 and a bottom wall of the receiving cavity 12; the peripheral side wall of the charging module 20 is provided with a guide surface 22, and when the charging module 20 moves to the elastic piece 30 in the accommodating cavity 12 to be in a compressed state, the guide surface 22 is used for contacting with the side wall of the accommodating cavity 12; when the elastic member 30 is in the unstressed state, the guide surface 22 is separated from the side wall of the accommodating chamber 12.

It will be appreciated that, when the charging module 20 moves up and down in the accommodating cavity 12, if the sidewall of the accommodating cavity 12 can contact or separate from the guiding surface 22, the sidewall of the accommodating cavity 12 can move along the guiding surface 22, so that the charging module 20 can avoid a large shift of the position of the charging module 20 during entering the accommodating cavity 12.

Further, in some embodiments of the present application, when the charging module 20 is in a charging state, that is, the charging module 20 contacts the carrier 10 and generates a certain impact force or pressure on the carrier 10, and after the elastic member 30 is pressed by the charging module 20, the elastic member 30 is in a compressed state, and at this time, the guiding surface 22 contacts the side wall of the accommodating cavity 12, so that the side wall of the accommodating cavity 12 can prevent the dislocation of the charging module 20.

With continued reference to fig. 5-7, in some embodiments of the present application, the carrier 10 is provided with a first opening 13 in communication with the accommodating cavity 12, the first opening 13 is used for the charging module 20 to enter and exit the accommodating cavity 12, and a first step structure 14 is disposed on an inner sidewall of the first opening 13; the end of the charging module 20 is provided with a second step structure 23, the second step structure 23 and the first step structure 14 are arranged along the direction that the charging module 20 enters the accommodating cavity 12, and after the charging module 20 is positioned in the accommodating cavity 12, the second step structure 23 is abutted with the first step structure 14.

It should be noted that when the charging module 20 receives an external downward force and presses the elastic member 30 downward, the accommodating cavity 12 enters the accommodating cavity 12 from the first opening 13, and at this time, the second step structure 23 on the charging module 20 contacts the first step structure 14 in the sidewall of the accommodating cavity 12, so that the first step structure 14 limits the charging module 20, and poor contact between the underwater cleaner 4 and the charging member 21 caused by the position deviation of the charging module 20 is prevented; when the external force is removed, the charging module 20 is separated from the accommodating cavity 12 through the first opening 13 by the elastic member 30, and the first step structure 14 is separated from the second step structure 23.

In a second aspect, referring to fig. 1-2, an embodiment of the present application further provides a charging base 2, including a charging assembly as described in any of the foregoing embodiments, where the charging base 2 may include a placement portion, and the placement portion may provide a placement space for some of the bulky electronic devices, so as to charge the bulky electronic devices, such as the underwater cleaner 4.

In a third aspect, the present embodiment also provides a charging system (not shown in the drawings), including the underwater cleaning machine 4 and the charging base 2 as described in the above embodiment, where the underwater cleaning machine 4 is disposed on the charging base 2.

In a fourth aspect, referring to fig. 8, the embodiment of the present application further provides a cart 3, including a handle 53, wheels 52 and a base 51, where the handle 53 and the wheels 52 are connected to the base 51, and the base 51 includes the charging assembly described in any of the foregoing embodiments or the charging base 2 described in any of the foregoing embodiments.

Specifically, the wheel 52 is disposed on one side of the base 51 far away from the charging assembly, in the related art, the underwater cleaner 4 generally performs power supply work through the battery, after the electric quantity of the battery is used up, the user is required to manually move the underwater cleaner 4 onto the base 51 for charging, meanwhile, when the underwater cleaner 4 is charging, the user is inconvenient to move due to the fact that the weight of the underwater cleaner 4 is large, therefore, in the embodiment of the application, the charging assembly and the wheel 52 are disposed on the base 51, so that the underwater cleaner 4 can also move at any time when charging on the base 51, the use of the user is more convenient, and the charging assembly and the wheel 52 are integrated into a whole, so that the occupied space of the base 51 can be saved.

It should be further noted that the base 51 has an electrical interface, and the charging module 20 further includes an electrical storage portion, where the electrical interface is electrically connected to the electrical storage portion, and the electrical interface is electrically connected to an external power source, so as to supplement the electrical storage portion with electric power. Firstly, an external power supply supplements electric quantity for an electric storage part of the charging module 20 through an electric interface, and the electric quantity of the electric storage part is full; the underwater cleaner 4 is then placed on the placement section 11, and the charging module 20 charges the underwater cleaner 4 through the charging member 21.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, this is for convenience of description and simplification of the description, but does not indicate or imply that the components or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus the terms describing the positional relationship in the drawings are merely for exemplary illustration, and should not be construed as limitations of the present application, and specific meanings of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.

The foregoing description of the preferred embodiment of the present utility model is not intended to limit the utility model to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims (14)

1. A charging assembly, the charging assembly comprising:

a carrier;

the charging module is arranged on the bearing piece;

the charging piece is arranged on the charging module and is used for charging the electronic equipment;

the flexible direction of the elastic piece is parallel to the installation direction of the charging piece, and the elastic piece is used for movably connecting the charging module with the charging piece or movably connecting the charging module with the bearing piece.

2. The charging assembly of claim 1, wherein the elastic member is located between the charging module and the carrier, the charging module being movably connected to the carrier by the elastic member; or,

the elastic piece set up in the module that charges, just the elastic piece with the piece that charges is connected, the piece that charges pass through the elastic piece with the module swing joint that charges.

3. The charging assembly of claim 2, wherein the charging member is a non-elastic unitary pin when the elastic member is positioned between the charging module and the carrier.

4. The charging assembly of claim 2, wherein the elastic member and the charging member together form a spring pin when the elastic member is disposed on the charging module.

5. The charging assembly of claim 1, wherein the elastic member has an elastic force greater than 0.06N.

6. The charging assembly of claim 1, wherein the charging module has a guide member located on a side of the charging module adjacent to the carrier member, and wherein the guide member is movably connected to the carrier member.

7. The charging assembly according to claim 6, wherein the charging module is provided with a groove with one end open, the elastic member is provided with a through hole, at least part of the guide member is positioned in the groove, the guide member is arranged through the through hole of the elastic member, and the charging module moves along the direction of the guide member under the action of the elastic member;

the groove is located at one end, close to the bearing piece, of the charging module.

8. The charging assembly according to claim 1, wherein the bearing member is provided with a receiving cavity for receiving the charging module, and the elastic member is connected with the charging module and a bottom wall of the receiving cavity;

the peripheral side wall of the charging module is provided with a guide surface, and the guide surface is used for contacting with the side wall of the accommodating cavity when the charging module moves to the state that the elastic piece is compressed in the accommodating cavity; when the elastic piece is in an unstressed state, the guide surface is separated from the side wall of the accommodating cavity.

9. The charging assembly of claim 8, wherein the elastic member is compressed by the pressure of the charging module when the charging module is in a charged state, and the guide surface contacts a side wall of the receiving chamber.

10. The charging assembly of claim 8, wherein the carrier is provided with a first opening in communication with the receiving cavity, the first opening being configured to allow the charging module to enter and exit the receiving cavity, an inner sidewall of the first opening being provided with a first step structure;

the end part of the charging module is provided with a second step structure, the second step structure and the first step structure are arranged along the direction that the charging module enters the accommodating cavity, and after the charging module is positioned in the accommodating cavity, the second step structure is abutted to the first step structure.

11. The charging assembly of claim 1, wherein a plurality of charging members are provided, the plurality of charging members are arranged at intervals, and a center-to-center distance between two adjacent charging members is greater than 5mm.

12. A charging base comprising a charging assembly according to any one of claims 1 to 11 _。

13. A charging system comprising an underwater cleaning machine and a charging base as claimed in claim 12, the underwater cleaning machine being arranged on the charging base.

14. A trolley comprising a handle, wheels and a base, the handle and wheels being connected to the base, the base comprising a charging assembly according to any one of claims 1 to 11 or a charging base according to claim 12.