CN115874686A

CN115874686A - Water outlet device and water using system

Info

Publication number: CN115874686A
Application number: CN202211509900.XA
Authority: CN
Inventors: 谢炜; 彭乾风; 罗涛; 杨权
Original assignee: Arrow Home Group Co Ltd
Current assignee: Arrow Home Group Co Ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-03-31

Abstract

The invention discloses a water outlet device and a water using system, wherein the water outlet device comprises a water outlet main body, a water outlet pipe, an impeller and an elastic resetting piece; the water outlet main body is provided with a water passing cavity for communicating a water source; the water outlet pipe is provided with a water outlet communicated with the water passing cavity and is rotatably connected with the water outlet main body so as to have an initial position and a preset position; the impeller is rotatably arranged in the water passing cavity and is connected with the water outlet pipe in a driving way; the elastic resetting piece is connected between the water outlet main body and the water outlet pipe, and the water outlet pipe has a trend of resetting to the initial position at the preset position under the action of the elastic resetting piece; when the water outlet device is opened, the impeller can rotate under the action of water pressure so as to drive the water outlet pipe to rotate to the preset position. According to the technical scheme, after water is used up, the water outlet pipe of the water faucet can be automatically reset, and the use experience of users can be improved.

Description

Water outlet device and water using system

Technical Field

The invention relates to the technical field of taps, in particular to a water outlet device and a water using system.

Background

The water faucet is an indispensable article in daily life of people. A faucet is a common water-using device. The common mechanical water faucet is a fixed structure, besides, some mechanical water faucets with rotatable water outlet pipes exist, the water outlet pipes can rotate relative to the mounting table, for example, some kitchen faucets, when in use, the water outlet pipes can be manually swung to a water using position to discharge water; however, after the water outlet pipe of the mechanical water faucet is used up, the water outlet pipe needs to be manually rotated to the position above the mounting table surface, otherwise, the space above the water using position is occupied, and the use experience of users is reduced.

Disclosure of Invention

The invention mainly aims to provide a water outlet device, and aims to automatically reset a water outlet pipe of a water faucet after water is used up so as to improve the use experience of users.

In order to achieve the above object, the present invention provides a water outlet device, comprising:

the water outlet main body is provided with a water passing cavity for communicating a water source;

the water outlet pipe is provided with a water outlet communicated with the water passing cavity and is rotatably connected to the water outlet main body so as to have an initial position and a preset position;

the impeller is rotatably arranged in the water passing cavity and is connected with the water outlet pipe in a driving way;

the elastic resetting piece is connected between the water outlet main body and the water outlet pipe, and the water outlet pipe has a tendency of resetting towards the initial position at the preset position under the action of the elastic resetting piece;

when the water outlet device is opened, the impeller can rotate under the action of water pressure so as to drive the water outlet pipe to rotate to the preset position.

Optionally, a rotating drum is arranged at one end of the water outlet pipe, which is far away from the water outlet, a water inlet communicated with the water outlet is arranged on the rotating drum, the rotating drum is rotatably inserted into the water passing cavity, the water inlet is communicated with the water passing cavity, and the impeller is connected to the rotating drum in a driving manner.

Optionally, the elastic resetting member is configured as a torsion spring, the torsion spring is sleeved on the rotary drum, one end of the torsion spring is inserted into the rotary drum, and the other end of the torsion spring is inserted into the water outlet main body.

Optionally, the drum is provided with a convex column, the convex column extends along an axial direction of the drum, friction teeth are provided on the convex column, the impeller is sleeved on the convex column, and the water outlet apparatus further includes a screw, which passes through the impeller and is screwed to the convex column, so as to fix the impeller on the convex column.

Optionally, the impeller is configured as an open impeller.

Optionally, the outer periphery of the convex column is further provided with a plurality of rib plates, the plurality of rib plates are all connected with the inner wall of the rotary drum, and the plurality of rib plates are mutually and uniformly distributed on the outer periphery of the convex column at intervals.

Optionally, the circumferential wall of the drum is provided with a positioning groove, the water outlet main body is provided with a positioning portion, the positioning portion is slidably connected to the positioning groove, and the positioning portion abuts against two circumferentially opposite groove walls of the positioning groove at the initial position and the preset position respectively.

Optionally, the circumferential wall of the water passing cavity is provided with a threaded hole, the positioning portion is of a screw structure, the positioning portion penetrates through the threaded hole, the head of the positioning portion abuts against the outer wall of the water passing cavity, and the tail of the positioning portion is connected to the positioning groove in a sliding mode.

Optionally, the water outlet device further comprises a sealing ring, and the sealing ring is sleeved outside the rotary drum so as to enable the rotary drum to be in sealing fit with the water passing cavity.

Optionally, a handle is disposed on a side of the water outlet body, and in the initial position, the handle and the water outlet pipe are respectively located on two opposite sides of the water outlet body.

Optionally, the water outlet device further comprises a valve rod, the valve rod is movably arranged at the water outlet and can open or close the water outlet, and in the preset position, the valve rod can be in the position of opening the water outlet under the action of the water pressure of the water outlet.

Optionally, the water outlet device further includes an adjusting sleeve, the adjusting sleeve is connected to the end of the water outlet pipe, the adjusting sleeve is provided with a sliding hole and a drain hole opposite to the water outlet, one end of the valve rod is movably abutted to the water outlet, the other end of the valve rod is movably inserted into the sliding hole, an adjusting spring is arranged between the valve rod and the adjusting sleeve, and the valve rod can be maintained at a position abutting against the water outlet under the action of the adjusting spring.

Optionally, the adjusting sleeve is screwed to the water outlet pipe.

The invention also provides a water using system, which comprises the water outlet device.

In the technical scheme of the invention, when the water outlet device is started and water flows into the water outlet pipe from the water passing cavity, the impeller can be driven by the water flow, the impeller drives the water outlet pipe to rotate at the moment, and the water outlet pipe rotates to a preset position from an initial position; after the water outlet device is closed, water pressure reduces, the turning force that the elasticity reset piece provided the water pipe this moment and is greater than the impeller and provide the drive power of outlet pipe, so the elasticity reset piece can order about the outlet pipe and turn back initial position by presetting the position, set up like this and can guarantee after using up water, the outlet pipe can carry out automatic re-setting, so, when the water outlet device is opened or is closed, do not need the manual action of user in the outlet pipe, the outlet pipe can rotate to the position that corresponds automatically, can promote user of service's use and experience.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is an exploded view of an embodiment of a water outlet device according to the present invention;

FIG. 2 is a cross-sectional view of the water outlet device of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is another cross-sectional view of the water outlet device of the present invention;

FIG. 5 is a partial enlarged view of the portion B in FIG. 4;

fig. 6C is an assembly schematic view of the water outlet pipe of the water outlet device of the present invention at an initial position, and D is an assembly schematic view of the water outlet pipe of the water outlet device of the present invention at a preset position.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a water outlet device.

In an embodiment of the present invention, as shown in fig. 1 to 6, the water outlet apparatus includes: the water outlet device comprises a water outlet main body 10, a water outlet pipe 20, an impeller 30 and an elastic resetting piece 40; the water outlet main body 10 is provided with a water passing cavity 11 for communicating a water source; the water outlet pipe 20 is provided with a water outlet 201 communicated with the water passing cavity 11 and is rotatably connected to the water outlet main body 10 so as to have an initial position and a preset position; the impeller 30 is rotatably arranged in the water passing cavity 11 and is connected with the water outlet pipe 20 in a driving way; the elastic reset piece 40 is connected between the water outlet body 10 and the water outlet pipe 20, and the water outlet pipe 20 has a tendency of resetting to an initial position at a preset position under the action of the elastic reset piece 40; when the water outlet device is opened, the impeller 30 can rotate under the action of water pressure to drive the water outlet pipe 20 to rotate to a preset position.

In the technical scheme of the invention, when the water outlet device is started, when water flows into the water outlet pipe 20 from the water passing cavity 11, the impeller 30 can be driven by the water flow, at the moment, the impeller 30 drives the water outlet pipe 20 to rotate, and the water outlet pipe 20 rotates to the preset position from the initial position; after water installation closes, water pressure reduces gradually, so impeller 30 department is used for supplying impeller 30 pivoted water pressure to reduce gradually, and the power of turning force that the elasticity piece 40 that resets provided for water pipe 20 this moment is greater than the drive power that impeller 30 provided outlet pipe 20, so elasticity piece 40 that resets can order about outlet pipe 20 by predetermineeing the position and change initial position back, set up like this and can guarantee after using up water, outlet pipe 20 can carry out automatic re-setting, so can promote user of service's use and experience.

In one embodiment, a rotating cylinder 21 is disposed at an end of the water outlet pipe 20 away from the water outlet 201, a water inlet 211 communicated with the water outlet 201 is disposed on the rotating cylinder 21, the rotating cylinder 21 is rotatably inserted into the water passing cavity 11, the water inlet 211 is communicated with the water passing cavity 11, and the impeller 30 is drivingly connected to the rotating cylinder 21.

Particularly, impeller 30 can drive rotary drum 21 after receiving the drive of rivers and rotate, rotary drum 21 drives outlet pipe 20 and wholly rotates, one side that rotary drum 21 orientation crossed water cavity 11 is equipped with water inlet 211, peg graft rotary drum 21 and can reduce the holistic volume of play water installation in crossing water cavity 11, set up like this and can reduce the occupation of play water installation to installation space, and reduce the distance between outlet pipe 20 and the play water main part 10, can accelerate rivers and get into the speed in the outlet pipe 20 through rotary drum 21, the efficiency of play water is improved. In other embodiments, the drum 21 has a water inlet 211 on the sidewall thereof.

In one embodiment, the elastic restoring member 40 is configured as a torsion spring, the torsion spring is sleeved on the rotating drum 21, and one end of the torsion spring is inserted into the rotating drum 21, and the other end thereof is inserted into the water outlet main body 10.

In particular, torsion springs have greater elasticity and more stable force; when the water outlet device is closed, the water outlet pipe 20 is located at an initial position, the torsion spring is located at a relaxing state, after the water outlet device is opened, the water outlet pipe 20 rotates to a preset position, the torsion spring is located at a torsion state at the moment, the torsion spring can provide driving force for the water outlet pipe 20 to rotate to the initial position from the preset position, and when the water outlet device is closed, the torsion spring can reset the water outlet pipe 20 to the initial position. The water outlet pipe 20 is driven to reset through the self force of the torsion spring, additional driving force is not needed to be added for resetting, the structure is simpler, and the driving is more stable. In other embodiments, resilient return member 40 is configured as a coil spring with one end inserted into bowl 21 and the other end inserted into outlet body 10.

In one embodiment, the drum 21 has a convex pillar 22, the convex pillar 22 extends along the axial direction of the drum 21, the convex pillar 22 has friction teeth, the impeller 30 is sleeved on the convex pillar 22, and the water outlet device further includes a screw passing through the impeller 30 and screwed to the convex pillar 22, so as to fix the impeller 30 on the convex pillar 22.

Specifically, the impeller 30 is sleeved on the convex column 22, the friction teeth on the convex column 22 can increase the friction force between the convex column 22 and the impeller 30, and then the impeller 30 and the convex column 22 are further fixed by screws. The arrangement can increase the connection stability of the impeller 30 and the convex column 22, and reduce the slipping between the impeller 30 and the convex column 22 during rotation, thereby improving the stability of the impeller 30 driving the water outlet pipe 20 to rotate. In other embodiments, the impeller 30 is mounted on the drum 21.

In one embodiment, the impeller 30 is configured as an open impeller.

Specifically, the speed of the liquid thing of transmission of open impeller is very fast, and open impeller includes the axis of rotation in the middle of and locates a plurality of blades of axis of rotation periphery wall, all is equipped with the clearance between arbitrary two adjacent blades, and open impeller is at the pivoted in-process, and rivers can follow the water inlet 211 of these clearances flowing to rotary drum 21. This arrangement ensures a throughput of water and at the same time ensures a rotational speed of the drum 21. In other embodiments, the impeller 30 is configured as a semi-enclosed impeller.

In an embodiment, the outer periphery of the convex column 22 is further provided with a plurality of ribs 23, the plurality of ribs 23 are all connected with the inner wall of the drum 21, and the plurality of ribs 23 are uniformly distributed on the outer periphery of the convex column 22 at intervals.

Specifically, a plurality of ribs 23 are provided on the outer periphery of the boss 22, and the boss 22 is connected to the inner wall of the drum 21 through the plurality of ribs 23, so that the connection stability of the boss 22 and the drum 21 can be increased. In other embodiments, a rib 23 is disposed on the outer circumference of the post 22.

In one embodiment, the circumferential wall of the drum 21 is provided with a positioning groove 212, the water outlet body 10 is provided with a positioning portion 14, the positioning portion 14 is slidably connected to the positioning groove 212, and the positioning portion 14 abuts against two circumferentially opposite groove walls of the positioning groove 212 at the initial position and the predetermined position, respectively.

Particularly, location portion 14 can slide in constant head tank 212, and outlet pipe 20 can compare in the play water body and rotate, and the sliding range of location portion 14 is outlet pipe 20 angle scope that can rotate, and outlet pipe 20 has certain rotation region promptly, sets up the cooperation that is convenient for go out water main part 10 and outlet pipe 20 like this and is connected, can play the effect of preventing staying in the assembling process, and suggestion assembly personal will fix a position portion 14 joint in constant head tank 212. In other embodiments, the circumferential wall of the drum 21 is provided with the positioning portion 14, and the inner wall of the water outlet main body 10 is provided with the positioning groove 212.

In an embodiment, a threaded hole is formed in a peripheral wall of the water passing cavity 11, the positioning portion 14 is provided with a screw structure, the positioning portion 14 is inserted into the threaded hole, a head of the positioning portion 14 abuts against an outer wall of the water passing cavity 11, and a tail of the positioning portion is slidably connected to the positioning groove 212.

Particularly, be equipped with the screw thread on the periphery wall of location portion 14, location portion 14 and screw hole spiro union, the afterbody of location portion 14 passes the screw hole and stretches into in the constant head tank 212, and the afterbody of location portion 14 can with the relative cell wall butt in the constant head tank 212 week, prevent that location portion 14 from breaking away from constant head tank 212 in the slip process, can part outlet pipe 20 with play water main part 10 after dismantling location portion 14, set up like this and be convenient for overhaul alone after dismantling water main part 10 and outlet pipe 20.

In one embodiment, the water outlet device further includes a sealing ring 50, and the sealing ring 50 is sleeved outside the rotating cylinder 21 so as to make the rotating cylinder 21 be in sealing fit with the water passing cavity 11.

Specifically, the sealing ring 50 is sleeved outside the drum 21, and in the axial direction of the drum 21, the sealing ring 50 is located between the impeller 30 and the elastic restoring member 40. With such an arrangement, the sealing ring 50 can prevent water from flowing to the elastic restoring member 40, thereby preventing the elastic restoring member 40 from affecting the restoring performance due to water, and preventing the water from flowing out from the gap between the water outlet pipe 20 and the water outlet main body 10.

In one embodiment, the handle 12 is disposed on the side of the outlet body 10, and in the initial position, the handle 12 and the outlet pipe 20 are disposed on two opposite sides of the outlet body 10.

Particularly, be equipped with in the play water main part 10 and be used for controlling the valve 13 of crossing the 11 switches in water cavity, handle 12 is connected with this valve 13 drive, can control opening or closing of crossing water cavity 11 through swing handle 12 promptly, in this embodiment, handle 12 sets up on a water main part 10 transverse direction, and handle 12 locates and keeps away from outlet pipe 20 and rotate regional one side, can prevent that the staff from producing the interference with outlet pipe 20 in the rotation when control handle 12, and can further reduce the vertical space that the water installation need occupy, only need occupy horizontal space and install, can reduce the vertical distance of water receiving pond edge and water installation, thereby improve user of service's use and experience. In other embodiments, handle 12 is positioned adjacent to one side of the area of rotation of outlet pipe 20.

In an embodiment, the water outlet device further includes a valve rod 60, the valve rod 60 is movably disposed at the water outlet 201 and can open or close the water outlet 201, and in a preset position, the valve rod 60 can be in a position of opening the water outlet 201 under the action of the water pressure of the water outlet 201.

Specifically, the valve rod 60 can move up and down at the water outlet 201, and when the water pressure at the water outlet 201 is low or no water pressure exists, the valve rod 60 moves towards the water outlet 201 to close the water outlet 201; when the water pressure at the water outlet 201 is high, the valve rod 60 moves away from the water outlet 201 to open the water outlet 201. The arrangement is convenient for opening and closing the water outlet 201, and the sealing performance of the water outlet 201 can be ensured when no water is discharged, so that the water leakage of the water outlet pipe 20 is reduced. In this embodiment, when the water outlet pipe 20 rotates to the preset position, the water pressure of the water outlet 201 rises to the position where the valve rod 60 can move to open the water outlet 201, that is, the water outlet 201 is opened after the water outlet pipe 20 rotates in place, so as to prevent the water outlet pipe 20 from discharging water outside the water pool, thereby improving the use experience of the user. In other embodiments, the water outlet device further includes a rotating blade, the rotating blade is rotatably mounted on the water outlet pipe 20, and the rotating blade is used for covering the water outlet 201, and the rotating blade can be controlled to open or close the water outlet 201 through manual adjustment.

In an embodiment, the water outlet device further includes an adjusting sleeve 70, the adjusting sleeve 70 is connected to the end of the water outlet pipe 20, the adjusting sleeve 70 is provided with a sliding hole 71 and a water discharging hole 72 opposite to the water outlet 201, one end of the valve rod 60 is movably abutted to the water outlet 201, the other end of the valve rod is movably inserted into the sliding hole 71, an adjusting spring 73 is provided between the valve rod 60 and the adjusting sleeve 70, and the valve rod 60 can be maintained in a position abutting against the water outlet 201 under the action of the adjusting spring 73.

Specifically, the adjusting spring 73 provides a pressure to press one end of the valve rod 60 against the water outlet 201, when the water pressure in the water outlet 201 is greater than the pressure provided by the adjusting spring 73, water flow can push the valve rod 60 downwards and flow into the water discharging hole 72 to discharge water outwards, a waterproof rubber ring 61 is sleeved on one end, close to the water outlet 201, of the valve rod 60, and the waterproof rubber ring 61 is arranged between the valve rod 60 and the water outlet 201. By the arrangement, the sealing performance of the water outlet 201 can be further improved, so that the water leakage of the water outlet pipe 20 is reduced, and meanwhile, when the adjusting spring 73 deforms and cannot provide pressure so much, the pressure provided by the adjusting spring 73 can be increased by pressing the adjusting sleeve 70, so that the pressure of the adjusting spring 73 is ensured. In other embodiments, the adjusting spring 73 is connected to the outlet pipe 20 at one end and the valve stem 60 at the other end, the adjusting spring 73 is disposed in the outlet 201, and the adjusting spring 73 can provide a pulling force to tighten the valve stem 60 and provide the valve stem 60 with a tendency to move toward the outlet 201.

In one embodiment, the adjustment sleeve 70 is threaded onto the outlet pipe 20.

Specifically, the end of the water outlet pipe 20 is provided with a hollow sleeve 24 protruding outwards, the outer surface of the hollow sleeve 24 is provided with partial threads, the adjusting sleeve 70 is provided with internal threads, one end of the hollow sleeve 24 without threads is communicated with the water outlet 201, and the other end is screwed with the adjusting sleeve 70. This arrangement facilitates adjustment of the pressure of the adjusting spring 73 by tightening and loosening the adjusting sleeve 70; the water outlet 201 is controlled to be at a larger water outlet pressure, so that water flow is prevented from leaking to the outside of the water receiving tank due to the fact that the water outlet pressure is too small; in the process of pressing the adjusting spring 73, the water outlet pressure is gradually increased, and in the process of loosening the adjusting spring 73, the water outlet pressure is gradually reduced to meet the water environment with various different pressure requirements. In other embodiments, the inner surface of the hollow sleeve 24 is threaded and the outer surface of the adjustment sleeve 70 is threaded, the adjustment sleeve 70 being threadably coupled to the hollow sleeve 24.

The present invention further provides a water utilization system, which includes a water outlet device, and the specific structure of the water outlet device refers to the above embodiments, and since the water utilization system adopts all the technical solutions of all the above embodiments, the water utilization system at least has all the beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated herein. Wherein, the water system includes kitchen water inlet source and vegetable washing pond, install the edge at the vegetable washing pond with this water installation in the kitchen, when needs use water installation to go out water, need not manually to dial outlet pipe 20 to the user, only need the user to stir handle 12, outlet pipe 20 can rotate to the one side that the user faced automatically, then go out water, after user resets handle 12, outlet pipe 20 can reset automatically, need not that the user resets outlet pipe 20 to the initial position manually, the convenience of using is improved, use experience is improved.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A water outlet device, comprising:

2. The water discharge device as claimed in claim 1, wherein a rotary drum is provided at an end of the water outlet pipe away from the water outlet, a water inlet communicated with the water outlet is provided on the rotary drum, the rotary drum is rotatably inserted into the water passing chamber, the water inlet is communicated with the water passing chamber, and the impeller is drivingly connected to the rotary drum.

3. The water outlet device as claimed in claim 2, wherein the elastic restoring member is configured as a torsion spring, the torsion spring is sleeved on the rotary drum, and one end of the torsion spring is inserted into the rotary drum and the other end thereof is inserted into the water outlet main body.

4. The water discharge device as claimed in claim 2, wherein the rotary cylinder has a convex post extending along an axial direction of the rotary cylinder, the convex post has friction teeth, the impeller is sleeved on the convex post, and the water discharge device further comprises a screw passing through the impeller and screwed on the convex post to fix the impeller on the convex post.

5. The water output device of claim 4 wherein the impeller is configured as an open impeller.

6. The water discharge device as claimed in claim 4, wherein a plurality of ribs are provided on the outer periphery of the convex column, and are connected to the inner wall of the drum, and are uniformly distributed on the outer periphery of the convex column at intervals.

7. The water outlet device as claimed in claim 2, wherein the peripheral wall of the drum is provided with a positioning groove, the water outlet body is provided with a positioning portion slidably connected to the positioning groove, and the positioning portion abuts against two circumferentially opposite groove walls of the positioning groove in the initial position and the predetermined position, respectively.

8. The water outlet device as claimed in claim 7, wherein the circumferential wall of the water passing chamber is provided with a threaded hole, the positioning portion is provided with a screw structure, the positioning portion is arranged in the threaded hole in a penetrating manner, the head of the positioning portion abuts against the outer wall of the water passing chamber, and the tail of the positioning portion is connected to the positioning groove in a sliding manner.

9. The water output device as claimed in claim 2, further comprising a sealing ring, wherein the sealing ring is disposed outside the rotary drum to make the rotary drum in sealing engagement with the water passing chamber.

10. The dispenser of claim 1, wherein a handle is provided on a side of the dispenser body, and wherein in the initial position, the handle and the outlet tube are located on opposite sides of the dispenser body.

11. The water outlet device according to any one of claims 1 to 10, further comprising a valve rod movably disposed at the water outlet and capable of opening or closing the water outlet, wherein in the predetermined position, the valve rod is capable of being positioned to open the water outlet under the action of the water pressure at the water outlet.

12. The water outlet device as claimed in claim 11, further comprising an adjusting sleeve, wherein the adjusting sleeve is connected to a distal end of the water outlet pipe, the adjusting sleeve is provided with a sliding hole and a drainage hole opposite to the water outlet, one end of the valve rod is movably abutted against the water outlet, the other end of the valve rod is movably inserted into the sliding hole, an adjusting spring is provided between the valve rod and the adjusting sleeve, and the valve rod can be maintained in a position abutting against the water outlet under the action of the adjusting spring.

13. The water output device of claim 12, wherein the adjustment sleeve is threaded to the water output tube.

14. A water usage system comprising the water outlet apparatus of any one of claims 1 to 13.