A water tank assembly

Abstract

The application discloses a water tank assembly, which comprises a water tank, a mop arranged outside the bottom of the water tank, a water amount control assembly, a water passing channel at the bottom of the water tank, a water tank hole and a water outlet hole, wherein the water amount control assembly comprises a knob and a water control disc, the knob is used to control the cooperation between the water control disc and the water tank hole, and the water amount passing through the water tank hole into the water passing channel is adjusted.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of cleaning supplies, in particular to a water tank assembly for water quantity control of a floor cleaning device. BACKGROUND

[0002] With the continuous development of automation production and productivity, household appliances have made great progress in both electrical appliances and household tools. There are various automated tools and supplies in all fields of people's life. When the supplies or tools have automated components, the labor cost and time are saved, which optimizes people's life and production.

[0003] At present, in the use of the mop in the household cleaning supplies, the user usually actively absorbs water with the mop, and wipes the floor with the mop after absorbing water to achieve the cleaning effect. However, this method is too labor-saving, and the user needs to take the mop to the place with water to re-absorb water and wet the mop assembly every time, which is very inconvenient.

[0004] In view of the above problems, no effective solution has been proposed so far. SUMMARY

[0005] The water tank assembly provided by the embodiments of the present application at least solves the technical problem that the mop cannot simply and quickly absorb water to clean the floor in the prior art.

[0006] According to an aspect of the embodiments of the present application, a water tank assembly is provided, which comprises a water tank, a mop arranged outside the bottom of the water tank, a water quantity control assembly, a water passage at the bottom of the water tank, a water tank hole and a water outlet hole. The water quantity control assembly comprises a knob and a water control disc. The knob is used to control the cooperation between the water control disc and the water tank hole, and adjust the water quantity from the water tank into the water passage through the water tank hole.

[0007] Further, the water tank hole is a plurality of holes with different sizes, and the water control disc has a through water control hole. The water quantity is controlled by rotating the water control disc to control the communication between the one water control hole and the water tank hole with different sizes.

[0008] Further, the water tank hole is one hole, and the water control disc has a through water control hole. The water quantity is controlled by rotating the water control disc to adjust the size of the overlapping opening of the water tank hole and the water control hole.

[0009] Further, the water tank assembly further comprises a water tank bottom cover arranged between the water tank and the mop. The water passage is arranged between the water tank bottom cover and the water tank. The water outlet hole is arranged on the water tank bottom cover. The water tank hole and the water outlet hole are communicated through the water passage. The water tank hole is communicated with the inside of the water tank, and the water outlet hole is communicated with the mop.

[0010] Further, the outer lower surface of the water tank is partially concave to form a water passing groove, a water passing channel is formed between the water tank bottom cover and the water passing groove, the water control disc of the knob rod is located in the water passing channel, and the water control disc can rotate and displace upward and downward in the water passing channel.

[0011] Further, the knob is sequentially fixed and connected from top to bottom by a knob upper cover, a knob screw and a knob rod, the knob upper cover is arranged on the upper surface of the water tank, the knob rod is rotatably arranged in the water tank, the knob rod has a stepped columnar rod body with a small upper end and a large lower end, and an annular water control disc is arranged on the outer side of the lower end of the knob rod.

[0012] Further, the upper outer surface of the water tank is partially concave to form a rotary accommodation groove, the side wall of the rotary accommodation groove is provided with a recess, the side part of the knob upper cover is symmetrically provided with a steel ball hole, the steel ball hole is sequentially provided with a knob steel ball spring and a knob steel ball from inside to outside, the knob upper cover is embedded and arranged in the rotary accommodation groove, and the knob steel ball abuts against the recess of the side wall of the rotary accommodation groove.

[0013] Further, the inner lower surface of the water tank is integrally provided with an annular columnar water tank lower support, a retaining ring is integrally arranged in the water tank lower support, a key spring is arranged on the outer sleeve of the knob rod, and the upper end and the lower end of the key spring abut against the knob upper cover and the retaining ring in the water tank lower support respectively.

[0014] Further, the inner hole of the retaining ring is smaller than the annular inner hole of the water tank lower support, the upper end surface of the knob rod is provided with a threaded hole, the upper end of the knob rod penetrates through the inner hole of the retaining ring in the water tank lower support, and the knob screw is screwed with the threaded hole of the knob rod.

[0015] Further, the lower part of the knob upper cover is provided with a circular groove, the upper end of the key spring abuts against the circular groove in the lower part of the knob upper cover, the lower end of the key spring abuts against the retaining ring in the water tank lower support, and the knob upper cover and the knob rod are displaced upward under the action of the restoring force of the key spring.

[0016] In the embodiment of the application, the key spring is adopted, the upper surface of the water control disc at the lower end of the knob rod is quickly and tightly attached to the lower surface of the bottom shell of the lower shell of the water tank after the rotation operation of the knob, so that the water cannot leak out of the water tank hole when the water control hole is not communicated with any water tank hole, and a better sealing is maintained.

[0017] Meanwhile, through the arrangement of the knob steel ball, the knob upper cover is displaced upward under the action of the restoring force of the key spring after the knob is loosened, the knob steel ball on the side part of the knob upper cover abuts against the recess of the side wall of the rotary accommodation groove again under the action of the knob steel ball spring when the knob upper cover is moved to the recess of the side wall of the rotary accommodation groove, so that the gear position of the knob upper cover is automatically locked again, and the gear position is correctly returned when it is dials.

[0018] In addition, the knob provides a feedback force to the operator after rotation, so that the user feels the tactile change of rotating the gear, brings better rotation operation comfort, increases the user's experience effect when using the knob to adjust the water amount, and makes the process of adjusting the water amount more accurate and controllable. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

[0020] Fig. 1 is a schematic view of a floor cleaning device with a water tank assembly according to the present application;

[0021] Fig. 2 is another schematic view of a floor cleaning device with a water tank assembly according to the present application;

[0022] Fig. 3 is a cross-sectional view of a water tank assembly according to the present application;

[0023] Fig. 4 is a cross-sectional view of a water tank assembly according to the present application;

[0024] Fig. 5 is a cross-sectional view of a water tank assembly according to the present application; DETAILED DESCRIPTION

[0025] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] Figs. 1-5 It is an optional embodiment of the present application, according to a specific embodiment of the present application, a water tank assembly is provided, comprising: a water tank, a mop 18 arranged outside the bottom of the water tank, a water amount control assembly, a water passing channel 53 at the bottom of the water tank, a water tank hole 15 and a water outlet hole 54, the water amount control assembly comprising a knob and a water control disc, the cooperation of the water control disc and the water tank hole 15 is controlled by the knob, and the water amount passing from the water tank into the water passing channel 53 through the water tank hole 15 is adjusted.

[0029] The water tank hole 15 is a plurality of holes with different sizes, and the water control disc has a through water control hole 24, the water amount control is realized by rotating the water control disc to control the communication of the one water control hole 24 and the water tank hole 15 with different sizes.

[0030] The water tank hole 15 is one, and the water control disc has a through water control hole 24, the water amount control is realized by rotating the water control disc to adjust the size of the overlapping opening of the water tank hole 15 and the water control hole 24.

[0031] The water tank assembly further comprises a water tank bottom cover 13, the water tank bottom cover 13 is arranged between the water tank and the mop 18, the water passing channel 53 is arranged between the water tank bottom cover 13 and the water tank, the water outlet hole 54 is arranged on the water tank bottom cover 13, the water tank hole 15 and the water outlet hole 54 are communicated through the water passing channel 53, the water tank hole 15 is communicated with the inside of the water tank, and the water outlet hole 54 is communicated with the mop 18.

[0032] The lower surface of the outer side of the water tank is partially concave to form a water passing groove 16, the water passing channel 53 is formed between the water tank bottom cover 13 and the water passing groove 16, the water control disc of the knob rod 23 is located in the water passing channel 53, and the water control disc can rotate and displace upward and downward in the water passing channel 53, and the water flow in the water tank is released to the water tank mop 18 through the water groove 16 and the water outlet hole 54.

[0033] The knob is sequentially fixedly connected from top to bottom by a knob upper cover 21, a knob screw 22 and a knob rod 23, the knob upper cover 21 is arranged on the upper surface of the water tank, the knob rod 23 is rotatably arranged in the water tank, the knob rod 23 has a stepped columnar rod body with a small upper end and a large lower end, and the ring-shaped water control disc is integrally arranged on the outer side of the lower end of the knob rod 23.

[0034] The upper outer surface of the water tank is partially concave to form a rotary accommodation groove, and the side wall of the rotary accommodation groove is provided with a recess. The side of the knob upper cover 21 is symmetrically provided with a steel ball hole, and the steel ball hole is sequentially provided with a knob steel ball spring 26 and a knob steel ball 25 from inside to outside. The knob upper cover 21 is embedded and installed in the rotary accommodation groove, and the knob steel ball 25 abuts against the recess of the side wall of the rotary accommodation groove.

[0035] The lower inner surface of the water tank is integrally provided with an annular columnar water tank lower support, and the water tank lower support is integrally provided with a retaining ring. The knob rod 23 is provided with a key spring 27, and the upper and lower ends of the key spring 27 abut against the knob upper cover 21 and the water tank lower support, respectively.

[0036] The inner hole of the retaining ring is smaller than the annular inner hole of the water tank lower support. The upper end surface of the knob rod 23 has a threaded hole. The upper end of the knob rod 23 penetrates through the inner hole of the retaining ring in the water tank lower support. The knob screw 22 is screwed with the threaded hole of the knob rod 23.

[0037] The knob upper cover 21 is provided with a circular groove below. The upper end of the key spring 27 abuts against the circular groove below the knob upper cover 21. The lower end of the key spring 27 abuts against the retaining ring in the water tank lower support. The knob upper cover 21 and the knob rod 23 are displaced upward under the action of the restoring force of the key spring 27.

[0038] According to another specific embodiment of the present application, another water tank assembly is provided, comprising: a knob upper cover 21, a knob screw 22, a knob rod 23, a key spring 27, and a water tank assembly. The water tank assembly comprises a water tank upper shell 11, a water tank lower shell 12, a water tank bottom cover 13, and a water tank mop 18. The water tank upper shell 11 and the water tank lower shell 12 are sealingly connected in a hollow water tank body by being buckled together from top to bottom. The knob upper cover 21, the knob screw 22, and the knob rod 23 are sequentially arranged from top to bottom. The knob upper cover 21 is arranged on the upper surface of the water tank upper shell 11. The knob rod 23 is rotatably arranged in the water tank lower shell 12. The knob upper cover 21 and the knob rod 23 are integrally connected by the knob screw 22. The knob rod 23 is provided with the key spring 27. The upper and lower ends of the key spring 27 abut against the knob upper cover 21 and the water tank lower support 14 in the water tank lower shell 12, respectively. The water tank bottom cover 13 is detachably and coveringly arranged on the lower outer surface of the water tank lower shell 12. The water tank mop 18 is detachably and coveringly arranged on the lower surface of the water tank bottom cover 13. The water tank lower shell 12 is provided with a water tank hole 15. The water control disc of the knob rod 23 is provided with a water control hole 24. The water control hole 24 controls and releases the water in the water tank body by cooperating with the water tank hole 15.

[0039] The upper outer surface of the water tank upper shell 11 is partially concave to form a rotary accommodation groove, the side wall of the rotary accommodation groove is provided with a recess, the knob upper cover 21 is a rotary body, the side of the knob upper cover 21 is symmetrically provided with a steel ball hole, the steel ball hole is sequentially provided with a knob steel ball spring 26 and a knob steel ball 25 from inside to outside, and the knob upper cover 21 is embedded and installed in the rotary accommodation groove, and the knob steel ball 25 abuts against the recess of the side wall of the rotary accommodation groove.

[0040] The lower inner surface of the water tank lower shell 12 is integrally provided with an annular columnar water tank lower support 14, the water tank lower support 14 is integrally provided with a blocking ring, the bottom shell of the water tank lower shell 12 is provided with a plurality of through water tank holes 15 close to the water tank lower support 14, the knob rod 23 has a stepped columnar rod body with a small upper end and a large lower end, the outer side surface of the lower end of the knob rod 23 is integrally provided with an annular water control disc, the water control disc is provided with a through water control hole 24, and the water control hole 24 controls the water amount by cooperating with the water tank hole 15.

[0041] The water tank hole 15 has two, the two water tank holes 15 are distributed along the circumference of the water tank lower support 14 and correspond to two different gear position marks respectively, the two water tank holes 15 have different cross-sectional areas, the recesses of the side wall of the rotary accommodation groove are symmetrically arranged and arranged at the corresponding positions of each gear position mark or arranged as helical grooves.

[0042] The cross-sectional area of the water control hole 24 is greater than or equal to the cross-sectional area of the second water tank hole 15, the inner hole of the blocking ring is smaller than the annular inner hole of the water tank lower support 14, the upper end surface of the knob rod 23 has a threaded hole, the upper end of the knob rod 23 penetrates through the inner hole of the blocking ring in the water tank lower support 14, and the knob screw 22 is screwed with the threaded hole of the knob rod 23.

[0043] The lower outer surface of the water tank lower shell 12 is partially concave to form a water passing groove 16, the water tank bottom cover 13 is detachably covered and installed on the lower outer surface of the water tank lower shell 12, the water tank bottom cover 13 is provided with a through water outlet hole 54, a water passing channel 53 is formed between the water tank bottom cover 13 and the water passing groove 16, the water control disc of the knob rod 23 is located in the water passing channel, and the water control disc can rotate, displace upward and downward in the water passing channel, and the water flow in the water tank main body is released to the water tank mop 18 through the water groove 16 and the water outlet hole 54.

[0044] The water passing channel 53 is arranged in the edge of the lower surface of the water tank lower shell 12, the water passing channel 53 is offset inward at equal distances corresponding to the shape of the edge of the lower surface of the water tank lower shell 12 and is arranged as a main path, or a plurality of main paths are further arranged at equal distances inward, and the plurality of main paths are connected through branch paths.

[0045] The water outlet hole 54 is uniformly distributed along one or more horizontal main paths of the water passing channel 53, and the horizontal position of the water outlet hole 54 is higher than the horizontal position of the water tank hole 15.

[0046] The water outlet holes 54 are evenly distributed on one side of the floor cleaning device, wherein each of the water outlet holes 54 is a perfect circle, and the centers of each adjacent water outlet hole 54 are 1 cm apart.

[0047] The water tank hole 15 is a hole for the water tank of the floor cleaning device to release water, which can bring the water in the water tank to the mop of the floor cleaning device through the water outlet hole 54, and the water outlet hole 54 is communicated with the water tank hole 15 through the water passage 53, wherein the water passage 53 is a channel that can pass water and is recessed inward from the bottom plate of the floor cleaning device above the mop, and the channel can be a curved water passage 53.

[0048] The water tank mop is connected to the water stop assembly 5, and the water stop assembly 5 adjusts the air pressure in the water tank of the floor cleaning device by sucking air and not sucking air to open and close the water outlet of the floor cleaning device, thereby limiting the continuous flow of water in the water tank, and at the same time, when the mop lacks water, the water outlet hole 54 and other structures are used to soak the mop, thereby achieving the technical effect of being able to clean the floor at any time.

[0049] In addition, during the use of the embodiment of the present application, when the external floor cleaning device is in a hanging state, the water outlet hole 54 of the water passage 53 will not flow water regardless of whether the water tank water amount control knob is in the large water or small water position, as shown in the figure, because the position of the water tank hole 15 is lower than the position of the water outlet hole 54, and due to the action of gravity, water will not flow to the water outlet hole 54 during the hanging process, and at the same time, due to the action of the wet mop, the air in the water tank body is closed, thereby achieving the effect of stopping water.

[0050] The lower side of the knob upper cover 21 is provided with a circular groove, the upper end of the button spring 27 abuts against the circular groove in the lower side of the knob upper cover 21, and the lower end of the button spring 27 abuts against the stop ring in the water tank lower support 14, and the knob upper cover 21 and the knob rod 23 are displaced upward under the action of the restoring force of the button spring 27.

[0051] The lower side of the water tank bottom cover 13 is provided with a water tank magic tape 17, wherein the water tank magic tape 17 is connected to the water tank bottom cover 13 by adhesion, and the water tank mop 18 is detachably connected to the water tank bottom cover 13 through the water tank magic tape 17.

[0052] Specifically, in order to achieve the technical purpose of controlling the release of water amount by the mop device, as shown in Figs. 1-4 As shown in the figure, the knob rod 23 has a stepped columnar rod body, the upper end of the knob rod 23 is a stepped small end, and the lower end is a stepped large end, the cross-sectional area of the water control hole 24 is greater than or equal to the cross-sectional area of the second water tank hole 15, and the upper end of the knob rod 23 passes through the hole in the stop ring in the water tank lower support 14.

[0053] The knob upper cover 21 is rotated, so that the rigidly fixed knob rod 23 is rotated to rotate the annular water control disc at the lower end of the knob rod 23, so that the water control hole 24 of the water control disc is circumferentially displaced with the rotating movement, when the knob is located at the zero position mark, the water control hole 24 is not communicated with any water tank hole 15, when the knob is located at the first position mark, the water control hole 24 is communicated with the first water tank hole 15, when the knob is located at the second position mark, the water control hole 24 is communicated with the second water tank hole 15.

[0054] The knob upper cover 21, the knob screw 22 and the knob rod 23 are sequentially arranged from top to bottom, the knob upper cover 21 is rigidly connected with the knob rod 23 through the knob screw 22, the knob rod 23 is externally sleeved with the key spring 27, the mounting mode of the key spring 27 can be welding or matched sleeving mounting, and the upper and lower ends of the key spring 27 are respectively abutted against the knob upper cover 21 and the water tank lower support 14.

[0055] After the knob is rotated, the knob rod 23 is quickly tightly attached to the lower surface of the bottom shell of the water tank lower shell 12 under the action of the restoring force of the key spring 27, so that when the water control hole 24 is not communicated with any water tank hole 15, water cannot leak out of the water tank hole 15, and a better sealing is maintained.

[0056] Meanwhile, when the user implements the embodiment of the application, after the knob is pressed downward, the knob steel ball 25 is out of the recess of the rotary containing groove side wall, the position of the knob upper cover 21 is unlocked, at this time, the knob upper cover 21 can be arbitrarily rotated to the corresponding position, then the knob upper cover 21 is released, and the knob upper cover 21 is upwardly displaced under the action of the restoring force of the key spring 27, when the knob upper cover 21 is moved to the recess of the rotary containing groove side wall, the knob steel ball 25 at the side of the knob upper cover 21 is again abutted against the recess of the rotary containing groove side wall under the action of the knob steel ball spring 26, so that the position of the knob upper cover 21 is automatically locked again, and the position is correctly returned when the position is adjusted.

[0057] In addition, the rebounding force generated after the knob is rotated provides a feedback force for the operator, so that the user feels the tactile change of the rotating position, better rotation operation comfort is brought, the experience effect of the user when the knob is used to adjust the water amount is increased, and the process of adjusting the water amount becomes more accurate and controllable.

[0058] It should be noted that the water tank mop 18 is connected to the bottom of the water tank lower shell 12, and is used for cleaning the ground, is the main body for releasing the water amount, can be made of a textile fabric, and is soaked by the control device to release the water amount, so that the technical purpose of cleaning the mop assembly at any time is achieved.

[0059] Specifically, the knob upper cover 21 is a rotary body, a circular groove is arranged below the knob upper cover 21, and the knob screw 22 is rigidly embedded in the circular groove. A knob decoration 28 is mounted on the upper side of the knob upper cover 21, for indicating the gear position when the user rotates. The knob decoration 28 is made of corrosion-resistant hard plastic and is rigidly connected to the knob upper cover 21. The knob upper cover 21 is a regular circular device, and a protrusion is arranged along the vertical radius of the center of the knob device. The knob decoration 28 is arranged on the upper surface of the protrusion. The knob steel ball 25 and the knob steel ball spring 26 are mounted on both sides of the knob upper cover 21 in a way of abutting and linking with the water tank upper shell 11.

[0060] Specifically, the knob upper cover 21 is a rotary body, a circular groove is arranged below the knob upper cover 21, and the knob screw 22 is rigidly embedded in the circular groove. A knob decoration 28 is mounted on the upper side of the knob upper cover 21, for indicating the gear position when the user rotates. The knob decoration 28 is made of corrosion-resistant hard plastic and is rigidly connected to the knob upper cover 21. The knob upper cover 21 is a regular circular device, and a protrusion is arranged along the vertical radius of the center of the knob device. The knob decoration 28 is arranged on the upper surface of the protrusion. The knob steel ball 25 and the knob steel ball spring 26 are mounted on both sides of the knob upper cover 21 in a way of abutting and linking with the water tank upper shell 11.

[0061] The knob steel ball 25 is a rigid spherical body and is in an interference fit state with the recess of the rotary containing groove side wall.

[0062] Optionally, the water tank bottom cover 13 is mounted with a water tank magic tape 17 on the lower side, wherein the water tank magic tape 17 is connected to the water tank bottom cover 13 by adhesion. The water tank mop 18 is connected to the water tank bottom cover 13 by the water tank magic tape 17. In order to facilitate the user to install the mop device of the mopping module, the water tank magic tape 17 is adhered to the bottom of the water tank by solid glue, and the mop of the mopping module is pasted or removed through the water tank magic tape 17.

[0063] According to another aspect of the embodiment of the present application, a ground cleaning device is provided, which comprises the above-mentioned water amount control knob device 2, and a water tank assembly 1, a mop cleaning assembly 3, a pedal linkage assembly 4, and a water stopping assembly 5. The mop cleaning assembly 3 is arranged at one end of the upper part of the water tank assembly 1. The water amount control knob device 2 and the pedal linkage assembly 4 are symmetrically arranged at the other end of the water tank assembly 1. The water stopping assembly 5 is arranged in communication with the water tank assembly 1.

[0064] The water tank assembly comprises a water tank upper shell 11, a water tank lower shell 12, a water tank bottom cover 13, a water tank magic tape 17, and a water tank mop 18. The edge of the water tank upper shell 11 extends downward, and the edge of the water tank lower shell 12 extends upward. The water tank upper shell 11 and the water tank lower shell 12 are connected in a sealed manner by upper and lower buckling of the shell edges to form a hollow water tank body. The water tank bottom cover 13 is detachably mounted on the lower outer surface of the water tank lower shell 12. The water tank mop 18 is detachably mounted on the lower surface of the water tank bottom cover 13 through the water tank magic tape 17.

[0065] The upper shell of the water tank and the lower shell of the water tank are rigidly and waterproofly connected, and the joint thereof can be formed by bonding or hot pressing, and the specific connection mode is not limited herein.

[0066] The water tank bottom cover 13 is provided with a through water outlet hole, the lower outer surface of the water tank lower shell 12 is partially concave to form a water passing groove 16, the water passing channel communicates with the water outlet hole, the lower inner surface of the water tank lower shell 12 is integrally provided with an annular columnar water tank lower support 14, a blocking ring is integrally arranged in the water tank lower support 14, the inner hole of the blocking ring is smaller than the annular inner hole of the water tank lower support 14, and the bottom shell of the water tank lower shell 12 is provided with a plurality of through water tank holes 15 close to the water tank lower support 14.

[0067] The upper outer surface of the water tank upper shell 11 is partially concave to form a rotary containing groove, and the side wall of the rotary containing groove is provided with a recess. The water tank holes 15 are two, and the two water tank holes 15 are distributed along the circumference of the water tank lower support 14 and correspond to two different gear identification positions respectively. The two water tank holes 15 have different cross-sectional areas.

[0068] Preferably, the cross-sectional area of the second water tank hole 15 is 2 to 4 times the cross-sectional area of the first water tank hole 15. The recesses of the side wall of the rotary containing groove are symmetrically arranged and arranged at the corresponding positions of each gear identification. Alternatively, the recesses of the side wall of the rotary containing groove are arranged as helical grooves.

[0069] In addition, in the use process of the embodiment of the present application, the knob gear identification is composed of three gear identification positions, namely zero gear without water, first gear with small water and second gear with large water. The knob rod 23 is loaded from the bottom of the water tank lower shell 12 into the water tank lower support 14, the knob rod 23 extends out of the upper end of the water tank lower support 14, the knob rod 23 is sleeved with the knob spring, then the two knob steel ball springs 26 are loaded on the side of the knob upper cover 21, and the knob steel ball 25 is loaded at the same time, finally the knob upper cover 21 is fixed on the water tank upper shell 11 through the knob screw 22 and the upper end of the knob rod 23. The knob is rotated from the clockwise direction, and the rotary containing groove side wall recess of the water tank upper shell 11 realizes the gear positioning during the rotation of the knob. The lower end of the knob rod 23 is in contact with the water tank lower shell 12, the knob rod 23 always has upward force by the key spring 27, keeps the knob rod 23 closely attached to the water tank lower shell 12, and ensures that the water tank does not leak. The lower end of the knob rod 23 is provided with a water control hole 24, the bottom shell of the water tank lower shell 12 has two water tank holes 15, when the knob is rotated to the gear position, the water control hole 24 is communicated or not communicated with different water tank holes 15, so as to realize the adjustment and control of the water output.

[0070] Through the above steps, the water amount control function can be used to control the water amount to soak the mop conveniently and quickly.

[0071] In the description of the specification, reference to "one embodiment", "some embodiments", "an exemplary embodiment", "an example", "a specific example", or "some examples" means that a particular feature, structure, material, or characteristic being described is included in at least one embodiment or example of the application. The appearances of the phrases "in one embodiment", "in some embodiments", "in an exemplary embodiment", "an example", "a specific example", or "some examples" in various places in the specification are not necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics can be combined in any suitable manner in one or more embodiments or examples.

[0072] Although embodiments of the application have been shown and described, it will be appreciated that those skilled in the art can make various changes, modifications, substitutions and alterations thereto without departing from the principles and scope of the application, which are defined by the claims and their equivalents.

Claims

1. A water tank assembly comprising: The water tank and the mop arranged outside the bottom of the water tank are characterized in that further comprising: a water amount control assembly, a water passing channel at the bottom of the water tank, a water tank hole and a water outlet hole, the water amount control assembly comprising a knob and a water control disc, the knob is used to control the cooperation between the water control disc and the water tank hole, to adjust the water amount passing from the water tank to the water passing channel through the water tank hole, the knob is sequentially fixed and connected from top to bottom by a knob upper cover, a knob screw and a knob rod, the knob upper cover is arranged on the upper surface of the water tank, the knob rod is rotatably arranged in the water tank, the knob rod has a stepped columnar rod body with a small upper end and a large lower end, and the knob rod is integrally provided with a ring-shaped water control disc on the outer side of the lower end, the inner side of the lower surface of the water tank is integrally provided with a ring-shaped columnar water tank lower support, a stop ring is integrally arranged in the water tank lower support, the knob rod is provided with a key spring, and the upper end and the lower end of the key spring are respectively abutted against the knob upper cover and the water tank lower support, wherein the knob rod is configured to adjust the knob in multiple gears, the upper outer surface of the water tank is partially concave to form a rotary containing groove, the side wall of the rotary containing groove is provided with a recess, the side part of the knob upper cover is symmetrically provided with a steel ball hole, the steel ball hole is sequentially installed with a knob steel ball spring and a knob steel ball from inside to outside, the knob upper cover is embedded and installed in the rotary containing groove, and the knob steel ball is abutted against the recess of the side wall of the rotary containing groove. the lower part of the knob upper cover is provided with a circular groove, the upper end of the key spring is abutted against the circular groove in the lower part of the knob upper cover, the lower end of the key spring is abutted against the stop ring in the water tank lower support, the knob upper cover and the knob rod are upwardly displaced under the action of the restoring force of the key spring, when the recess of the side wall of the rotary containing groove is reached, the knob steel ball of the side part of the knob upper cover is again abutted against the recess of the side wall of the rotary containing groove under the action of the knob steel ball spring, and the knob upper cover is configured to be automatically locked again.

2. The water tank assembly of claim 1, wherein, the water tank hole is a plurality of holes with different sizes, the water control disc is provided with a through water control hole, the water amount is controlled by rotating the water control disc to control the through water control hole to be communicated with the water tank hole with different sizes.

3. The water tank assembly of claim 1, wherein, the water tank hole is one, the water control disc is provided with a through water control hole, and the water amount is controlled by rotating the water control disc to adjust the size of the overlapping opening of the water tank hole and the water control hole.

4. The water tank assembly of claim 1, wherein, the water tank assembly further comprises a water tank bottom cover, the water tank bottom cover is arranged between the water tank and the mop, the water passing channel is arranged between the water tank bottom cover and the water tank, the water outlet hole is arranged on the water tank bottom cover, the water tank hole and the water outlet hole are communicated through the water passing channel, the water tank hole is communicated with the inside of the water tank, and the water outlet hole is communicated with the mop.

5. The water tank assembly of claim 4, wherein, the lower surface of the outer side of the water tank is partially concave to form a water passing groove, the water passing channel is formed between the water tank bottom cover and the water passing groove, the water control disc of the knob rod is located in the water passing channel, the water control disc can be rotatably displaced and upwardly and downwardly displaced in the water passing channel, and the water flow in the water tank is released to the mop of the water tank through the water groove and the water outlet hole.

6. The water tank assembly of claim 1, wherein, the inner hole of the stop ring is smaller than the annular inner hole of the water tank lower support, the upper end surface of the knob rod is provided with a threaded hole, the upper end of the knob rod penetrates through the inner hole of the stop ring in the water tank lower support, and the knob screw is screwed with the threaded hole of the knob rod.

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