Water tank

Abstract

This case relates to the field of smart home technology, and discloses a water tank, cleaning equipment, and cleaning system. The water tank includes a first shell, a second shell, a metal ring, and a welded connection. The second shell and the first shell are mutually capped, and at least one of the first shell and the second shell is provided with an annular groove. The metal ring is located within the annular groove, and the shape of the metal ring matches the shape of the annular groove. The welded connection connects the metal ring to the first shell and the second shell to seal the first shell and the second shell. The water tank has good sealing performance and is not prone to leakage. The roughness of the outer surfaces of the first shell and the second shell meets the requirements.

Claims

1. A water tank, characterized in that it comprises: First shell; A second housing that covers the first housing, at least one of the first housing and the second housing having an annular groove; a metal ring located in the annular groove, the shape of the metal ring being adapted to the shape of the annular groove; and a welded connection connecting the metal ring and the first housing and the second housing to seal the first housing and the second housing together.

2. The water tank according to claim 1, characterized in that the first housing is provided with the annular groove, the second housing is provided with an annular protrusion, the annular protrusion is fitted into the annular groove, and the metal ring is located between the bottom wall of the annular groove and the top surface of the annular protrusion.

3. The water tank according to claim 2, characterized in that the welded connection is connected between the metal ring, the bottom wall of the annular groove and the top surface of the annular protrusion, and is connected between the side wall of the annular groove and the side surface of the annular protrusion.

4. The water tank according to claim 1, characterized in that the first shell is provided with the annular groove, the second shell has a second welding plane, and the metal ring is entirely located in the annular groove and connected to the second welding plane.

5. The water tank according to claim 4, characterized in that the welded connection is connected between the metal ring and the bottom wall and side wall of the annular groove, and is also connected between the metal ring and the second welding plane, and further connected between the second welding plane and the connecting surface of the annular groove provided in the first housing.

6. The water tank according to claim 1, characterized in that the first shell and the second shell are both provided with the annular groove, the annular groove provided on the first shell is a first annular groove, the annular groove provided on the second shell is a second annular groove, a part of the metal ring is located in the first annular groove, and another part of the metal ring is located in the second annular groove.

7. The water tank according to claim 6, characterized in that the welded connection is connected between the metal ring and the bottom wall and side wall of the first annular groove, and between the metal ring and the bottom wall and side wall of the second annular groove, and also between the connecting surface of the second housing where the second annular groove is provided and the connecting surface of the first housing where the first annular groove is provided.

8. The water tank according to any one of claims 1 to 7, characterized in that the cross-section of the annular groove along a first direction is set as a polygon, and the cross-section of the metal ring along the first direction is set as a circle; or, the cross-sectional shape of the annular groove along the first direction is the same as the cross-sectional shape of the metal ring along the first direction, wherein the first direction is the depth direction of the annular groove.

9. The water tank according to any one of claims 1 to 7, characterized in that the annular groove is configured such that the opening is larger than the bottom.

10. The water tank according to claim 1, characterized in that: at least two annular grooves are provided, and at least one of the annular grooves surrounds the other annular grooves; at least two metal rings are provided, and at least one of the metal rings surrounds the other metal rings; at least two welded joints are provided, and at least one of the welded joints surrounds the other welded joints.

11. The water tank according to claim 10, characterized in that the first housing has a first recess, the first housing has a first annular end face on one side where the first recess is disposed, the first annular end face is disposed around the first recess, the annular groove is disposed on the first annular end face and is disposed around the first recess, and the first recess is used to contain clean water.

12. The water tank according to claim 10, characterized in that the first shell is configured as a flat plate, the first shell including a first annular end face.

13. The water tank according to claim 11 or 12, characterized in that the second housing has a second recess, and the side of the second housing where the second recess is disposed has a second annular end face, the second annular end face is disposed around the second recess, and the second annular end face and the first annular end face are mated and sealed to form a sealed clear water cavity.

14. The water tank according to claim 11, characterized in that the second shell is configured as a flat plate.

15. The water tank according to claim 13, characterized in that the second housing further comprises: An annular baffle is connected to the second housing and located in the second recess. The annular baffle is used to contain cleaning agents or disinfectants. The annular groove is provided on the first housing. The end of the annular baffle facing away from the second housing extends at least to the opening of the annular groove. The welded connection is connected to the metal ring, the annular baffle, and the first housing.

16. The water tank according to claim 15, characterized in that the first housing further comprises: A first annular baffle is connected to the first housing; And a second annular baffle connected to the first housing, the second annular baffle surrounding the first annular baffle, the second annular baffle and the first annular baffle being spaced apart, so that the annular groove is provided between the second annular baffle and the first annular baffle, and the end of the annular baffle away from the second housing extending into the annular groove.

17. The water tank according to claim 13, characterized in that the first housing further comprises: An annular baffle is connected to the first housing. The annular baffle is used to contain cleaning agents or disinfectants. An annular groove is provided in the second recess. The end of the annular baffle facing away from the first housing extends at least to the opening of the annular groove. The welded connection is connected to the metal ring, the annular baffle, and the second housing.

18. The water tank according to claim 17, characterized in that the second housing further comprises: A first annular baffle is connected to the second housing and located within the second recess; A second annular baffle is connected to the second housing and located in the second recess. The second annular baffle surrounds the first annular baffle and is spaced apart from the first annular baffle so that an annular groove is provided between the second annular baffle and the first annular baffle. The end of the annular baffle away from the first housing extends into the annular groove.

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