Dust box and water tank connection structure and sweeper

Abstract

The dust box water tank connecting structure and the sweeping machine, the dust box water tank connecting structure comprises a main machine shell, a dust box water tank shell, a first conductive part arranged on the main machine shell, a second conductive part arranged on the dust box water tank shell, and a limiting assembly for tightly arranging the first conductive part and the second conductive part, the limiting assembly comprises a first limiting part, a second limiting part and an elastic part, the first limiting part and the elastic part are arranged on one of the main machine shell and the dust box water tank shell, the second limiting part is arranged on the other one of the main machine shell and the dust box water tank shell, the first limiting part is connected with the elastic part, and the first limiting part and the second limiting part are embedded with each other under the elastic force of the elastic part. The dust box water tank connecting structure and the sweeping machine provided by the application make the main machine and the dust box water tank conductive when the first conductive part and the second conductive part contact each other, and the limiting assembly is used for ensuring that the first conductive part and the second conductive part stably contact each other.

Description

Technical Field

[0001] This invention belongs to the field of household appliance technology, and more specifically, relates to a dust box and water tank connection structure and a sweeping machine. Background Technology

[0002] Robotic vacuum cleaners have cleaning functions such as vacuuming and mopping. With continuous development, their functions have become increasingly diverse, enabling them to handle a wider range of household chores, leading to a growing number of families using them. Robotic vacuum cleaners typically feature a removable dustbin and water tank for easy dust removal and water refilling. While the dustbin / water tank and the main unit of the vacuum cleaner have an electrical connection, this removable connection can result in a loose fit and potential contact problems. Summary of the Invention

[0003] The purpose of this invention is to provide a dustbin-water tank connection structure and a sweeping machine to solve the technical problem of poor contact between the dustbin-water tank and the sweeping machine main unit in the prior art.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a dust box and water tank connection structure is provided, including a main unit housing, a dust box and water tank housing, a first conductive element disposed on the main unit housing, a second conductive element disposed on the dust box and water tank housing, and a limiting component for tightly fitting the first conductive element and the second conductive element together. The limiting component includes a first limiting part, a second limiting part, and an elastic element. The first limiting part and the elastic element are disposed on one of the main unit housing and the dust box and water tank housing, and the second limiting part is disposed on the other of the main unit housing and the dust box and water tank housing. The first limiting part is connected to the elastic element, and the first limiting part and the second limiting part are interlocked under the elastic force of the elastic element.

[0005] In the above solution, a first conductive element is provided on the main unit housing, and a second conductive element is provided on the dust box / water tank housing. When the first and second conductive elements come into contact with each other, the main unit and the dust box / water tank are electrically connected. A limiting component is used to ensure stable contact between the first and second conductive elements. The limiting component includes a first limiting part, a second limiting part, and an elastic element. The first limiting part is connected to the elastic part and is located in one of the main unit housing and the dust box / water tank housing. The second limiting part is located in the other housing. The elastic element can extend and retract, moving the first limiting part away from the second limiting part. In this way, the first and second limiting parts can be interlocked to allow the first and second conductive elements to contact each other, while also facilitating the assembly and disassembly of the dust box / water tank and the main unit.

[0006] Optionally, the first limiting part is a ball bearing, and the second limiting part is a limiting hole. When the dust box / water tank housing and the main unit housing are disassembled, the ball bearing, being spherical, compresses the elastic element under external force, allowing the ball bearing to easily move out of the limiting hole without affecting the disassembly of the dust box / water tank housing and the main unit housing.

[0007] Optionally, both the ball bearing and the elastic element are disposed on the main housing, the limiting hole is disposed on the dust box / water tank housing, one end of the elastic element is connected to the main housing, and the other end of the elastic element is connected to the ball bearing. The extension and retraction of the elastic element can change the relative position of the ball bearing and the limiting hole, making it easier for the ball bearing to enter and exit the limiting hole. Specifically, one end of the elastic element is connected to the main housing, and the other end of the elastic element is connected to the ball bearing.

[0008] Optionally, the main housing has a first protrusion / recess on the side facing the dust box / water tank housing, and the dust box / water tank housing has a corresponding second protrusion / recess that engages with the first protrusion / recess. The elastic element is disposed within the first protrusion / recess, the ball bearing protrudes from the surface of the first protrusion / recess, and the limiting hole is formed on the second protrusion / recess. The first and second protrusion / recess can serve as a positioning and mating structure between the main housing and the dust box / water tank housing. One of the first and second protrusion / recess is a protrusion, and the other is a recess. Specifically, when the first protrusion / recess is a protrusion, the second protrusion / recess is a recess, and the protrusion is inserted into the recess. When the first protrusion / recess is a recess, the second protrusion / recess is a protrusion, and the protrusion is inserted into the recess.

[0009] Optionally, the insertion direction of the first and second protrusions is perpendicular to the extension and retraction direction of the elastic member. The insertion direction of the first and second protrusions can also be understood as the disassembly and assembly direction of the dust box / water tank housing and the main unit housing. When the insertion direction of the first and second protrusions is perpendicular to the extension and retraction direction of the elastic member, the ball and the limiting hole can be matched in the vertical direction without affecting the insertion of the first and second protrusions.

[0010] Optionally, the limiting component further includes a fixing bracket and a locking member. The locking member is used to fix the fixing bracket to the main unit housing. The main unit has a receiving hole for accommodating the elastic element. One end of the elastic element abuts against the fixing bracket, and the other end of the elastic element abuts against the ball bearing. The fixing bracket and locking member provide installation positions for the elastic element and the ball bearing, making them easier to install and position. They also simplify the structure of the main unit housing and reduce production costs.

[0011] Optionally, the limiting component is disposed near the junction of the first conductive element and the second conductive element. By placing the limiting component close to the junction of the first and second conductive elements, the first and second conductive elements are subject to greater constraint, thus ensuring they are in close contact with each other.

[0012] Optionally, the dust box / water tank housing and the main unit housing are detachably connected. The dust box / water tank housing has a dust box for containing dust and a water tank for containing water. This allows the dust box / water tank housing to be removed from the main unit housing as needed, facilitating cleaning the water tank and adding water to it.

[0013] Optionally, the dust box has a dust inlet, the main unit housing has a dust outlet, the dust inlet and the dust outlet face each other, and a first seal is provided between the dust inlet and the dust outlet; the water tank has a water outlet, the main unit housing has a water inlet, and a second seal is provided between the water outlet and the water inlet. The contact direction is perpendicular to the contact surfaces of the first and second conductive elements, and the resultant force of the rebound force of the first and second seals is parallel to or at an acute angle to the contact direction. The first and second seals prevent water and dust leakage between the main unit housing and the dust box / water tank housing.

[0014] The present invention also provides a sweeping machine, including the above-described dust box and water tank connection structure.

[0015] The beneficial effects of the sweeper provided by this invention are as follows: the limiting component of the dustbin-water tank connection structure is used to ensure stable contact between the first conductive component and the second conductive component. The limiting component includes a first limiting part, a second limiting part, and an elastic member. The first limiting part is connected to the elastic part and is disposed in one of the main unit housing and the dustbin-water tank housing. The second limiting part is disposed in the other. The elastic member can extend and retract, moving the first limiting part away from the second limiting part. In this way, the first limiting part and the second limiting part can be interlocked to ensure contact between the first and second conductive components, while also facilitating the assembly and disassembly of the dustbin-water tank and the main unit. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A three-dimensional structural diagram of the dust box and water tank connection structure provided in an embodiment of the present invention;

[0018] Figure 2An exploded view of the dust box and water tank connection structure provided in an embodiment of the present invention;

[0019] Figure 3 This is an exploded view of the limiting component provided in an embodiment of the present invention;

[0020] Figure 4 A perspective structural diagram of the host housing provided in an embodiment of the present invention;

[0021] Figure 5 This is a three-dimensional structural diagram of the dust box and water tank shell provided in an embodiment of the present invention.

[0022] The following are the labeling elements in the figure:

[0023] 1-Main unit housing; 11-First conductive component; 12-First concave-convex portion; 120-Receiving hole; 13-First side surface; 14-Dust outlet; 15-Water inlet; 2-Dust box / water tank housing; 21-Second conductive component; 22-Second concave-convex portion; 23-Second side surface; 24-Dust inlet; 25-Water outlet; 26-Charging electrode; 3-Limiting assembly; 31-First limiting part; 33-Elastic component; 34-Fixing bracket; 341-Positioning post; 35-Locking component; 41-First sealing component; 42-Second sealing component. Detailed Implementation

[0024] To make the technical problems to be solved, the technical solutions, and the beneficial effects of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0025] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0026] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] Robotic vacuum cleaners are divided into household and commercial types. They are generally cordless and have an internal rechargeable power supply, allowing them to recharge before use when the battery is low. They can be controlled via remote control, mobile app, or the machine's control panel. They typically allow for scheduled cleaning and automatic recharging. A robotic vacuum cleaner includes a main unit and a dustbin / water tank assembly. In some models, the charging electrode 26 is located on the dustbin / water tank assembly, creating an electrical connection between them. However, for easier dust removal and water filling, the dustbin / water tank assembly is detachably connected to the vacuum cleaner. This loose connection can lead to poor electrical contact between the assembly and the main unit. To overcome these problems, this invention proposes a novel dustbin / water tank connection structure and a robotic vacuum cleaner.

[0029] The dust box and water tank connection structure provided in the embodiments of the present invention will now be described.

[0030] Please refer to the following: Figures 1 to 3 The dust box and water tank connection structure includes a main unit housing 1, a dust box and water tank housing 2, a first conductive component 11, a second conductive component 21, and a limiting component 3.

[0031] The main unit housing 1 is the mounting structure of the main unit. Electronic devices or structural components inside the main unit housing 1 can be mounted on the main unit housing 1. The main unit housing 1 can be composed of a single component or can be assembled and connected from multiple components.

[0032] The dust box and water tank housing 2 is generally used to form or support the dust box and water tank. The dust box and water tank can be formed by the internal recess of the dust box and water tank housing 2, or they can be separate components installed on the dust box and water tank. The dust box and water tank housing 2 is generally adapted to fit the main unit housing 1. That is, the main unit housing 1 is provided with a positioning structure, and the dust box and water tank housing 2 is also provided with a corresponding positioning structure, so that the main unit housing 1 and the dust box and water tank housing 2 are mutually adapted.

[0033] Both the first conductive element 11 and the second conductive element 21 are metallic conductive structures. The first conductive element 11 is mounted on the main unit housing 1 and exposed thereout. The second conductive element 21 is mounted on the dust box / water tank housing 2 and exposed thereout. When the dust box / water tank housing 2 is mounted on the main unit housing 1, the first conductive element 11 and the second conductive element 21 are in contact with each other, allowing the dust box / water tank assembly to conduct electricity with the main unit. Whether the first conductive element 11 and the second conductive element 21 can make good contact depends on the connection relationship and stress conditions between the dust box / water tank housing 2 and the main unit housing 1. Since the dust box / water tank housing 2 and the main unit housing 1 are detachably connected and a sealing element is provided between them, the dust box / water tank housing 2 always tends to move away from the main unit housing 1 due to the rebound action of the sealing element. The first conductive element 11 and the second conductive element 21 also always tend to move away from each other. This makes it easy for gaps to form between the first conductive element 11 and the second conductive element 21, leading to poor contact.

[0034] The limiting component 3 is used to overcome the rebound force of the seal and the tendency of the first conductive element 11 and the second conductive element 21 to move away from each other, ensuring that the first conductive element 11 and the second conductive element 21 are always in close contact. The limiting component 3 includes a first limiting part 31, a second limiting part, and an elastic element 33. The first limiting part 31 and the elastic element 33 are disposed in one of the main unit housing 1 and the dust box / water tank housing 2, and the second limiting part is disposed in the other of the main unit housing 1 and the dust box / water tank housing 2. The first limiting part 31 is connected to the elastic element 33. When the dust box / water tank housing 2 is installed on the main unit housing 1, under the action of the elastic element 33, the first limiting part 31 and the second limiting part are interlocked, thereby further limiting the main unit housing 1 and the dust box / water tank housing 2, providing a force opposite to the rebound force, reducing or eliminating the tendency of the first conductive element 11 and the second conductive element 21 to move away from each other, and thus ensuring that the first conductive element 11 and the second conductive element 21 are always in contact. The connection between the first limiting part 31 and the elastic member 33 can be understood as either a fixed connection or a detachable connection, such as mutual abutment. The interlocking of the first and second limiting parts can be understood as one having a protruding portion and the other a recessed portion, with the protruding portion extending into the recessed portion, thus achieving the interlocking of the first and second limiting parts. The elastic member 33 allows the position of the first limiting part 31 to be easily changed under external force, therefore, it does not affect the assembly and disassembly of the dust box / water tank housing 2 and the main unit housing 1.

[0035] The dust box / water tank connection structure in the above embodiment includes a main unit housing 1, a dust box / water tank housing 2, and a limiting component 3. A first conductive element 11 is provided on the main unit housing 1, and a second conductive element 21 is provided on the dust box / water tank housing 2. When the first conductive element 11 and the second conductive element 21 are in contact, the main unit and the dust box / water tank are electrically connected. The limiting component 3 ensures stable electrical contact between the first conductive element 11 and the second conductive element 21. The limiting component 3 includes a first limiting part 31, a second limiting part, and an elastic element 33. The first limiting part 31 is connected to the elastic part and is located in one of the main unit housing 1 and the dust box / water tank housing 2. The second limiting part is located in the other. The elastic element 33 is retractable, allowing the first limiting part 31 to move away from the second limiting part. This allows the first limiting part 31 and the second limiting part to be interlocked, enabling contact between the first conductive element 11 and the second conductive element 21, while also facilitating the assembly and disassembly of the dust box / water tank and the main unit.

[0036] In some embodiments of the present invention, a first limiting part 31 and an elastic member 33 are disposed on the dust box water tank housing 2, a second limiting part is disposed on the main unit housing 1, one end of the elastic member 33 is connected to the dust box water tank housing 2, and the other end of the elastic member 33 is connected to the first limiting part 31.

[0037] In some embodiments of the present invention, please refer to Figure 2 and Figure 3 The first limiting part 31 and the elastic member 33 are disposed on the main body housing 1, the second limiting part is disposed on the dust box water tank housing 2, one end of the elastic member 33 is connected to the main body housing 1, and the other end of the elastic member 33 is connected to the first limiting part 31.

[0038] The following description uses an example where the first limiting part 31 and the elastic member 33 are disposed in the main unit housing 1, and the second limiting part is disposed in the dust box / water tank housing 2. The embodiment where the first limiting part 31 and the elastic member 33 are disposed in the dust box / water tank housing 2, and the second limiting part is disposed in the main unit housing 1 is similar to... Figure 2 and Figure 3 The embodiments are similar and will not be described in detail again.

[0039] In some embodiments of the present invention, please refer to Figures 3 to 5 The first limiting part 31 is a ball bearing, and the second limiting part is a limiting hole. The ball bearing is spherical, and the limiting hole is adapted to the shape of the ball bearing; the limiting hole is spherical, such as hemispherical. When the dust box / water tank housing 2 is installed onto the main unit housing 1, the ball bearing is located in the limiting hole. Through the interaction between the ball bearing and the limiting hole, the first conductive element 11 and the second conductive element 21 are pressed tightly together. Because the ball bearing is spherical, it can roll. Especially when the dust box / water tank housing 2 and the main unit housing 1 are disassembled, the ball bearing, being spherical, compresses the elastic element 33 under external force, allowing the ball bearing to easily move out of the limiting hole without affecting the disassembly of the dust box / water tank housing 2 and the main unit housing 1.

[0040] In some embodiments of the present invention, the first limiting part 31 and the second limiting part are both snap-fit ​​structures, and the first limiting part 31 and the second limiting part are snapped together, so that the first conductive member 11 and the second conductive member 21 are in close contact with each other.

[0041] In some embodiments of the present invention, please refer to Figures 2 to 5 The first limiting part 31 is a ball bearing, and the second limiting part is a limiting hole. Both the ball bearing and the elastic element 33 are mounted on the main housing 1, and the limiting hole is located on the dust box / water tank housing 2. The extension and retraction of the elastic element 33 can change the relative position of the ball bearing and the limiting hole, making it easier for the ball bearing to enter and exit the limiting hole. One end of the elastic element 33 is connected to the main housing 1, and the other end is connected to the ball bearing.

[0042] In some embodiments, one end of the elastic member 33 is fixed to or abuts against the main housing 1. The other end of the elastic member 33 is fixed to or abuts against the ball bearing. When the elastic member 33 abuts against the ball bearing, the ball bearing can rotate freely and is not affected by the elastic member 33.

[0043] In some embodiments of the present invention, the first conductive element 11 is located on the first side 13 of the main housing 1, and the second conductive element 21 is located on the second side 23 of the dust box / water tank housing 2. The first side 13 and the second side 23 are closely fitted together, so that the first conductive element 11 and the second conductive element 21 are closely fitted together. The direction perpendicular to the first side 13 and the second side 23 is the conductive contact direction. The extension and retraction direction of the elastic element 33 is set at an angle to the conductive contact direction, so that the component of the elastic force of the elastic element 33 in the conductive contact direction is small and will not affect the tight fit between the first conductive element 11 and the second conductive element 21. Optionally, the extension and retraction direction of the elastic element 33 is perpendicular to the conductive contact direction, so that the limiting component 3 can both keep the first conductive element 11 and the second conductive element 21 tightly fitted together and will not be affected by the rebound force of the elastic element 33.

[0044] In some embodiments of the present invention, please refer to Figure 2 , Figure 3 and Figure 5The main housing 1 has a first protrusion 12 on the side facing the dust box / water tank housing 2, and the dust box / water tank housing 2 has a second protrusion 22 on the side facing the main housing 1. The first protrusion 12 and the second protrusion 22 are interlocked. The first protrusion 12 and the second protrusion 22 can serve as a positioning and mating structure between the main housing 1 and the dust box / water tank housing 2. One of the first protrusion 12 and the second protrusion 22 is a protrusion, and the other is a recess. Specifically, when the first protrusion 12 is a protrusion, the second protrusion 22 is a recess, and the protrusion is inserted into the recess. When the first protrusion 12 is a recess, the second protrusion 22 is a protrusion, and the protrusion is inserted into the recess.

[0045] Both the elastic element 33 and the ball bearing are located on the first concave-convex portion 12, while the limiting hole is located on the second concave-convex portion 22. The first concave-convex portion 12 and the second concave-convex portion 22 facilitate the installation of the limiting component 3, ensuring that the extension and retraction direction of the elastic element 33 is perpendicular to the conductive contact direction.

[0046] The elastic element 33 is disposed within the first concave-convex portion 12, and the ball protrudes from the surface of the first concave-convex portion 12. A limiting hole is formed on the second concave-convex portion 22. A receiving hole 120 for accommodating the elastic element 33 is formed within the first concave-convex portion 12. Since the ball protrudes and the elastic element 33 are interconnected, part of the ball protrudes from the first concave-convex portion 12, while the other part protrudes from the surface of the first concave-convex portion 12, allowing the ball protruding into the limiting hole. When the dust box / water tank housing 2 is installed on the main unit housing 1, part of the ball protrudes from the limiting hole. When the dust box / water tank housing 2 is removed from the main unit housing 1, the elastic element 33 retracts under the pushing action of the second concave-convex portion 22, and the ball retracts back into the first concave-convex portion 12, without affecting the mutual disassembly and reassembly of the dust box / water tank housing 2 and the main unit housing 1.

[0047] In some embodiments, the insertion direction of the first protrusion 12 and the second protrusion 22 is perpendicular to the extension and retraction direction of the elastic member 33. The insertion direction of the first protrusion 12 and the second protrusion 22 is horizontal, and the extension and retraction direction of the elastic member 33 is vertical. When the sweeper is placed on the placement surface, the placement surface is parallel to the horizontal direction. The insertion direction of the first protrusion 12 and the second protrusion 22 can also be understood as the disassembly and assembly direction of the dustbin / water tank housing 2 and the main unit housing 1. When the insertion direction of the first protrusion 12 and the second protrusion 22 is perpendicular to the extension and retraction direction of the elastic member 33, the ball bearing and the limiting hole can be engaged in the vertical direction without affecting the insertion of the first protrusion 12 and the second protrusion 22.

[0048] In some embodiments, the first protrusion 12 is provided by the first side surface 13 protruding or recessing, and the second protrusion 22 is provided by the second side surface 23 protruding or recessing. That is, the first protrusion 12 and the second protrusion 22 are provided at the junction of the first side surface 13 and the second side surface 23.

[0049] In some embodiments of the present invention, please refer to Figure 3 The limiting component 3 includes a fixed bracket 34 and a locking member 35. The locking member 35 is used to fix the fixed bracket 34 to the main housing 1. The fixed bracket 34 provides an installation position for the elastic member 33. The main housing 1 has a receiving hole 120 for receiving the elastic member 33. One end of the elastic member 33 abuts against the fixed bracket 34, and the other end of the elastic member 33 abuts against the ball bearing. The fixed bracket 34 and the locking member 35 provide installation positions for the elastic member 33 and the ball bearing, making it easier to install and position the elastic member 33 and the ball bearing. It also simplifies the structure of the main housing 1 and reduces production costs.

[0050] The receiving hole 120 is a through hole that penetrates the main housing 1. A fixing bracket 34 is positioned to cover and fix one end of the receiving hole 120. A locking member 35, which can be threaded, passes through the fixing bracket 34 and is threadedly connected to the main housing 1, thus fixing the fixing bracket 34 and the main housing 1 together. An elastic member 33 is disposed in the receiving hole 120, with one end abutting against the fixing bracket 34. A positioning post 341 is provided on the fixing bracket 34, and the elastic member 33 can be fitted onto the positioning post 341. The positioning post 341 prevents radial deformation of the elastic member 33. The end of the elastic member 33 furthest from the fixing bracket 34 abuts against a ball bearing located at the end of the receiving hole 120 furthest from the fixing bracket 34, and can partially lie outside the receiving hole 120.

[0051] In some embodiments of the present invention, the elastic element 33 is a cylindrical spring, which is low in cost, widely used, and easy to install.

[0052] In some embodiments of the present invention, one of the first conductive element 11 and the second conductive element 21 is a metal spring with a certain elastic force, and the other is a metal rigid sheet with a stiffness greater than that of the metal spring.

[0053] In some embodiments of the present invention, please refer to Figure 2 , Figure 4 and Figure 5The limiting component 3 is positioned close to the junction of the first conductive element 11 and the second conductive element 21. When the main unit housing 1 and the dust box / water tank housing 2 are installed and fixed together, the surfaces facing each other are called the mating surfaces. The mutual embedding of the first limiting part 31 and the second limiting part in the limiting component 3 will exert a certain constraint on the mating surfaces adjacent to the limiting component 3 (causing the mating surfaces to tend to move closer to each other). The closer the mating surface is to the limiting component 3, the greater the constraint it receives, and the farther the mating surface is from the limiting component 3, the less constraint it receives. Therefore, by positioning the limiting component 3 close to the junction of the first conductive element 11 and the second conductive element 21, the first conductive element 11 and the second conductive element 21 can be subject to greater constraint, thus ensuring they are tightly pressed together.

[0054] In some embodiments of the present invention, please refer to Figure 2 , Figure 4 and Figure 5 The dust box / water tank housing 2 and the main unit housing 1 are detachably connected. The dust box / water tank housing 2 has a dust box for holding dust and a water tank for holding water. This allows the dust box / water tank housing 2 to be removed from the main unit housing 1 as needed, facilitating cleaning the water tank and adding water to it.

[0055] In some embodiments, a dust chamber for containing dust is formed inside the dust box water tank housing 2, that is, the dust box is integrally formed inside the dust box water tank housing 2.

[0056] In some embodiments, a water cavity for containing water is formed inside the dust box water tank housing 2, that is, the water tank is integrally formed inside the dust box water tank housing 2.

[0057] In some embodiments, the dust box and water tank housing 2 is used to support and install the dust box and water tank, and both the dust box and water tank can be removed from the dust box and water tank housing 2.

[0058] In some embodiments of the present invention, please refer to Figure 4 and Figure 5 The dust box has a dust inlet 24, and the main unit housing 1 has a dust outlet 14, with the dust inlet 24 and dust outlet 14 facing each other. When the main unit is working, dust enters the main unit housing 1, and then enters the interior of the dust box through the dust outlet 14 and dust inlet 24 in sequence. To prevent dust from falling between the dust box water tank housing 2 and the main unit housing 1, a first seal 41 is provided between the dust inlet 24 and the dust outlet 14. The first seal 41 is squeezed by the dust box water tank housing 2 and the main unit housing 1, thus exerting a reverse rebound force on the dust box water tank housing 2 and the main unit housing 1.

[0059] The number of dust inlets 24 and dust outlets 14 is not limited here. In order to shorten the dust path and enable the dust to enter the dust box more quickly, multiple dust inlets 24 and dust outlets 14 can be provided so that the dust enters the dust box through a shorter path. On the main unit housing 1, multiple dust outlets 14 can be set on different surfaces.

[0060] In some embodiments of the present invention, please refer to Figure 4 and Figure 5 The water tank has an outlet 25, and the main unit housing 1 has an inlet 15, with the outlet 25 and inlet 15 facing each other. When the sweeper performs functions such as mopping, the water in the water tank enters the main unit sequentially through the outlet 25 and inlet 15. To prevent water leakage between the dust box water tank housing 2 and the main unit housing 1, a second seal 42 is provided between the outlet 25 and inlet 15. The second seal 42 is squeezed by the dust box water tank housing 2 and the main unit housing 1, thus exerting a reverse rebound force on the dust box water tank housing 2 and the main unit housing 1.

[0061] In some embodiments, a one-way valve is provided between the outlet 25 and the inlet 15, so that water can only flow into the main unit and cannot flow back to the water tank. The second seal 42 can be provided at the one-way valve.

[0062] The contact direction is perpendicular to the contact surfaces of the first conductive element 11 and the second conductive element 21. The contact surface of the first conductive element 11 is located on the first side surface 13, and the contact surface of the second conductive element 21 is located on the second side surface 23. The contact direction is the direction perpendicular to both the first side surface 13 and the second side surface 23. The resultant force of the rebound force of the first sealing element 41 and the second sealing element 42 is parallel to or at an acute angle to the contact direction. The arrangement of the first sealing element 41 and the second sealing element 42 tends to cause the first conductive element 11 and the second conductive element 21 to move away from each other. The limiting component 3 can overcome this tendency and make the first conductive element 11 and the second conductive element 21 fit tightly together.

[0063] The present invention also provides a sweeping machine, which includes the dustbin and water tank connection structure of any of the above embodiments. The sweeping machine includes a dustbin and water tank assembly, and also includes a main unit, which is detachably connected to the dustbin and water tank assembly and electrically connected. The dustbin and water tank assembly includes a dustbin and water tank housing 2, and the main unit includes a main unit housing 1.

[0064] The sweeper provided by this invention adopts the aforementioned dustbin-water tank connection structure. This structure includes a main unit housing 1, a dustbin-water tank housing 2, and a limiting component 3. A first conductive element 11 is provided on the main unit housing 1, and a second conductive element 21 is provided on the dustbin-water tank housing 2. When the first conductive element 11 and the second conductive element 21 are in contact, the main unit and the dustbin-water tank are electrically connected. The limiting component 3 ensures stable contact between the first conductive element 11 and the second conductive element 21. The limiting component 3 includes a first limiting part 31, a second limiting part, and an elastic element 33. The first limiting part 31 is connected to the elastic part and is located in one of the main unit housing 1 and the dustbin-water tank housing 2. The second limiting part is located in the other. The elastic element 33 is retractable, allowing the first limiting part 31 to move away from the second limiting part. This allows the first limiting part 31 and the second limiting part to be interlocked, enabling contact between the first conductive element 11 and the second conductive element 21, while also facilitating the assembly and disassembly of the dustbin-water tank and the main unit.

[0065] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A dust box water tank connection structure, characterized by: The dust box water tank connecting structure comprises a main machine shell, a dust box water tank shell, a first conductive part arranged on the main machine shell, a second conductive part arranged on the dust box water tank shell, and a limiting assembly for tightly arranging the first conductive part and the second conductive part. The first limiting part is a knob, and the second limiting part is a limiting hole; the knob and the elastic part are arranged on the main machine shell, the limiting hole is arranged on the dust box water tank shell, one end of the elastic part is connected to the main machine shell, and the other end of the elastic part is connected to the knob; the main machine shell is provided with a first concave-convex part on a side facing the dust box water tank shell, the dust box water tank shell is correspondingly provided with a second concave-convex part in plug-in cooperation with the first concave-convex part, the elastic part is arranged in the first concave-convex part, the knob is exposed on the surface of the first concave-convex part, and the limiting hole is arranged on the second concave-convex part; the limiting assembly further comprises a fixing support and a locking part, the locking part is used for fixing the fixing support to the main machine shell, the main machine is provided with a containing hole for containing the elastic part, one end of the elastic part abuts against the fixing support, and the other end of the elastic part abuts against the knob.

2. The dust box and water tank connection structure according to claim 1, characterized in that: The plug-in direction of the first concave-convex part and the second concave-convex part is perpendicular to the stretching direction of the elastic part.

3. The dust box and water tank connection structure according to any one of claims 1 to 2, characterized in that: The limiting assembly is arranged close to the joint of the first conductive part and the second conductive part.

4. The dust box and water tank connection structure according to any one of claims 1 to 2, characterized in that: The dust box water tank shell and the main machine shell are detachably connected, the dust box water tank shell is provided with a dust box for containing dust and a water tank for containing water.

5. The dust box and water tank connection structure according to claim 4, characterized in that: The dust box is provided with a dust inlet, the main machine shell is provided with a dust outlet, the dust inlet and the dust outlet are opposite to each other, and the first sealing part is arranged between the dust inlet and the dust outlet; The water tank is provided with a water outlet, the main machine shell is provided with a water inlet, the second sealing part is arranged between the water outlet and the water inlet, the contact direction is perpendicular to the contact surface of the first conductive part and the second conductive part, and the resultant direction of the elastic forces of the first sealing part and the second sealing part is parallel to or forms an acute angle with the contact direction.

6. A robot vacuum cleaner characterised in that: The dust box water tank connecting structure comprises the dust box water tank connecting structure according to any one of claims 1-5.

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