CN219345572U - Three-way valve capable of controlling water inflow - Google Patents

Abstract

The utility model aims to provide a controllable water inlet three-way valve, which comprises a water inlet three-way main body, wherein a first channel, a second channel and an external thread opening which are mutually communicated are respectively arranged on the water inlet three-way main body, an internal thread opening is arranged on the first channel, a quick connector is arranged on the second channel, an external knob is also arranged on the water inlet three-way main body, cross openings are formed in an upper ceramic plate and a lower ceramic plate, the upper ceramic plate is connected with a valve rod, the valve rod is connected with the external knob, the upper ceramic plate can be driven by screwing of the external knob, the openings of the upper ceramic plate and the lower ceramic plate are opened or closed, and two 45-degree cross openings are respectively formed in the upper ceramic plate and the lower ceramic plate; the controllable water inlet three-way valve has the advantages of detachable durable service life, simple manufacture, reasonable design structure, reduced cost and improved performance, and can provide supplementary requirements for various additional water consuming devices.

Description

Three-way valve capable of controlling water inflow

Technical Field

The utility model belongs to the technical field of water inlet three-way valves, and particularly relates to a controllable water inlet three-way valve.

Background

The water inlet three-way valve is generally used for household newly-added water equipment, such as a water purifier, a floor sweeping machine, a washing machine or other water equipment, when a pipeline needs to be newly added, the water inlet three-way valve is quickly supplemented, the switch structure of the water inlet three-way valve is a spherical or cylindrical switch structure, the service life of the switch is short, the switch is easy to close and lose efficacy, and the switch is very laborious to screw; many sealing structures of the existing water inlet three-way valves on the market are directly placed into sealing rings, so that the defects exist, the sealing rings are not fixed, friction between the sealing rings and the side walls in holes is very easy to damage, the sealing rings are easy to deform during insertion of the pipes, sealing functions are lost, and the sealing performance cannot be effectively guaranteed due to the fact that the single sealing rings are arranged in the holes.

Disclosure of Invention

The utility model aims to provide a valve body with reasonable and simple switch structure, difficult damage and good internal tightness, so as to solve the problems in the prior art, and the specific technical scheme of the utility model is as follows: the utility model provides a controllable three-way valve that intakes, includes the three-way main part that intakes, is equipped with first passageway, second passageway and the external screw thread mouth of mutual intercommunication on the three-way main part that intakes respectively, be equipped with the internal screw thread mouth on the first passageway, be equipped with the quick-operation joint on the second passageway, still be equipped with outside knob on the three-way main part that intakes.

Further, an upper ceramic plate and a lower ceramic plate are arranged at the communication positions of the first channel, the second channel and the external thread opening so as to control the communication among the first channel, the second channel and the external thread opening.

Further, the upper ceramic plate and the lower ceramic plate are provided with cross openings, the upper ceramic plate is connected with a valve rod, the valve rod is connected with an external knob, and the external knob can drive the upper ceramic plate to open or close the openings of the upper ceramic plate and the lower ceramic plate.

Further, two 45-degree cross openings are formed in the upper ceramic plate and the lower ceramic plate respectively, when the upper ceramic plate rotates 90 degrees, the cross openings of the upper ceramic plate and the lower ceramic plate are closed, the upper ceramic plate rotates 90 degrees and can be opened, a gear control angle is arranged on the upper ceramic plate, when a pipeline is additionally arranged and water supply is required to be stopped, the openings of the upper ceramic plate and the lower ceramic plate are staggered only by adjusting the angle of the upper ceramic plate, so that the communication in the water inlet tee body is closed, otherwise, if the water inlet tee body is opened, the openings of the upper ceramic plate and the lower ceramic plate are opened only by rotating the angle of the upper ceramic plate, and the communication in the water inlet tee body is opened.

Further, be equipped with the screens groove on the last potsherd, the valve rod drives through outside knob and rotates to drive the potsherd and rotate, realize the switching function, outside knob the inside design have square hole and valve rod to cooperate, and the other one end of valve rod is equipped with two pins and cooperates with the screens groove of last potsherd, and when outside knob rotated, through square hole and valve rod complex drive valve rod rotation, the valve rod drives the potsherd through two pins and rotates, carries out the angular position change, thereby realizes the switching function.

Further, two sealing rings are sleeved on the valve rod, the valve rod is fixed on the water inlet tee joint main body through a fixing nut, the sealing rings can be fixed in the water inlet tee joint main body through the fixing nut, a step is arranged outside the fixing nut and matched with an external knob, the external knob is clamped on the step of the fixing nut, a strong disengaging groove for preventing the knob from falling off is formed in the external knob and matched with the fixing nut, and an inner hexagon and an outer hexagon structure convenient to install and detach are arranged on the fixing nut.

Further, the connecting rod is arranged in the internal thread opening, a filter screen fixing sealing piece is arranged on one side of the connecting rod, a filter screen is embedded on the filter screen fixing sealing piece, and the filter screen fixing sealing piece is provided with three protruding ears which can be clamped into a thread groove of the internal thread opening easily, so that the filter screen fixing sealing piece is not easy to fall off.

Further, a fixed pipe with a clamping hook is arranged in the first channel, a slot is formed in the first channel, the clamping hook of the fixed pipe is hung on the slot in a penetrating mode, the fixed pipe is installed, a spring piece is arranged on the fixed pipe, a pressing seat for fixing the spring piece is arranged on the spring piece, a double-sealing structure, namely two sealing pieces, is arranged on the pressing seat, and a stabilizing ring is adopted between the two sealing pieces to stabilize the fixing pipe.

Further, a plurality of grooves are respectively arranged in the first channel, the pressing seat and the double sealing structure are embedded into the grooves to be tightly fixed, the first channel and the second channel are identical in structure, and the second channel is connected with the quick connector through a fixing pipe.

Further, the first passageway loose joint internal thread mouth passes fixed pipe and presses seat and double seal structure through the connecting rod, and during the period, utilizes the joint structure joint that the spring leaf adopted, just unable pull out and the pressure resistance is strong after the connecting rod inserts, and simultaneously, the connecting rod still plays the effect with fixed pipe, pressing seat and double seal structure further fixed, connecting rod and the sealed laminating of filter screen fixed seal spare.

Further, the spring piece designs certain angle, and increases one thick footpath on the connecting rod in order to prevent that the spring piece atress from turning out in the opposite direction of atress, the direction of bending of spring piece is the reverse direction shaping towards the atress, reaches the barb effect to the joint connecting rod, and have on the connecting rod with spring piece complex whole circle recess, let the tooth of spring piece be in whole circle recess, in order to stop the risk of roll-off, increase one thick footpath on the connecting rod, this thick footpath of says and the angle of spring piece carries out reasonable cooperation, makes compressive resistance reinforcing, prevents that the spring piece atress from turning out in the opposite direction.

In order to solve the defects in the prior art and meet the requirements, the following technical updates are further made: the sealing durability life of the ceramic plate is greatly prolonged compared with that of the traditional side wall rubber ring, the screwing is light, and the resistance is small; the internal thread fixing part is clamped by adopting a spring piece clamping structure, the fixed plug cannot be pulled out after being inserted, the pressure resistance is strong, the insertion pipe and the fixed sealing part not only adopt a double-sealing structure, but also adopt a stabilizing ring for stabilizing between the two sealing parts, so that the risks of insertion distortion or insertion breakage are reduced, and the risks of water leakage and air leakage are reduced; and the filter screens are arranged in the internal thread and the external thread, so that the blockage of impurities to subsequent equipment or pipelines in the water flowing process is reduced, and the supplement requirement is provided for various additional water consuming equipment.

Through the scheme, when a pipeline is required to be additionally arranged, the installation is convenient, the switching is simple, and when water is required to be additionally arranged, the switching function can be realized only by adjusting the angle of the upper ceramic plate; the internal thread adopts a clamping structure, so that the production and the assembly are convenient, the service life can be prolonged, and the materials can be exchanged; the quick connector is inserted in the pipe, so that the sealing performance is guaranteed by adopting a double-sealing structure, and the angle matched with the roundness of the rubber ring and provided with the groove is additionally arranged in the middle of the sealing piece, so that the rubber ring is easier to fix, and the rubber ring is prevented from deviating or being inserted askew.

Through the scheme, when the water inlet is arranged at the water outlet, water flow enters the valve body through the internal threads, and the filter screen is assembled for coarse filtration to protect other water equipment from affecting the normal operation of machine parts due to impurities.

Through the scheme, when the pipeline is additionally arranged and water supply is required to be stopped, the angle of the upper wear-resistant ceramic plate is only required to be adjusted, and the holes of the upper ceramic plate and the lower ceramic plate are staggered, so that the waterway or the gas circuit is closed. Otherwise, if the ceramic plate needs to be opened, the upper wear-resistant ceramic plate is rotated to open the hole sites of the upper and lower ceramic plates, so that the waterway or the air path is opened.

Through above-mentioned scheme, the knob inside designs has square hole and valve rod to cooperate, and the other one end of valve rod is equipped with two pins and goes up the screens groove of potsherd and cooperate, and when the knob rotated, square through square hole and valve rod complex square drive valve rod rotated, and the valve rod drives the potsherd through two pins and rotates, carries out the angular position change to realize the switching function.

Through the scheme, the valve rod is fixed in the water inlet tee joint main body by the fixing nut, and the sealing ring can be fixed in the main body by the fixing nut; the fixing nut is provided with an inner hexagon structure, so that the fixing nut is convenient to install and detach; the outside of the fixed nut is provided with a step which is matched with an external knob, and the knob is provided with a forced disengaging groove which is matched with the fixed nut to prevent the knob from falling off.

By adopting the scheme, the double-sealing structure design can greatly reduce the risk of water leakage and air leakage; a stable ring is added between the two seals, so that the risks of plugging skew or breakage are reduced, and the risks of difficult installation, water leakage and air leakage are reduced; through above-mentioned scheme, can let the two sealing washer with the main part, with firm ring and pressing the tight fixed of recess on the seat, let the movable space of sealing washer in the inside significantly reduce, three recess is tightly fixed two sealing washer wherein to avoid inserting the risk of askew break with the sealing washer.

Through the scheme, the spring piece clamping structure has the advantages that the bending direction of the spring piece is formed in the direction opposite to the stressed direction, so that the barb effect is achieved, the fixing rod is clamped, the fixing rod is provided with the whole circle of grooves matched with the spring piece, the teeth of the spring piece are positioned in the grooves, the risk of sliding out is avoided, and the internal thread loose joint is convenient to install; the fixing rod is additionally provided with a thick diameter which is reasonably matched with the angle of the spring piece to prevent the spring piece from being stressed and reversely turned out, so that the pressure resistance is enhanced.

Through the scheme, the internal thread loose joint is connected with the main body by adopting thread screwing connection or C-shaped clamping connection, and the thread connection increases the machining or injection molding difficulty and also increases the assembly difficulty; the C-shaped clamping connection is adopted, the pressure of the connection clamp is very limited, so that the durable service life detachable water inlet three-way valve is realized, the supplement requirement can be provided for various additional water consuming devices, the manufacturing is simple, the design structure is reasonable, the cost is reduced, and the performance is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.

Fig. 1 is a schematic diagram of the overall structure of the embodiment of the present utility model.

Fig. 2 is a schematic diagram showing a cross-sectional structure according to an embodiment of the utility model.

Fig. 3 is a schematic diagram showing an exploded structure according to an embodiment of the present utility model.

Fig. 4 is a schematic diagram of a second channel structure according to an embodiment of the utility model.

Fig. 5 is a schematic diagram showing a reference state of an internal thread mouth according to an embodiment of the present utility model.

Fig. 6 is a schematic diagram showing a structural state of a ceramic wafer according to an embodiment of the present utility model.

The figure indicates: 1. a water inlet tee body; 3. a lower ceramic plate; 4. a ceramic plate is arranged; 5. a valve stem; 6. a seal ring; 7. a fixed screw cap; 8. an external knob; 9. a double seal structure; 10. a stabilizing ring; 11. pressing a base; 12. a spring piece; 13. a fixed tube; 14. a quick connector; 20. an internal thread opening; 21. a connecting rod; 22. a filter screen fixing seal; 23. a filter screen; 31. a second channel; 32. an external thread opening; 33. a first channel; 41. a groove; 42. a whole circle of grooves; 43. and (5) a thick diameter.

Detailed Description

Other advantages and effects of the present disclosure will become readily apparent to those skilled in the art from the following detailed description, taken in conjunction with the accompanying drawings, illustrating embodiments of the present disclosure by way of specific embodiments. It will be apparent that the described embodiments are merely some, but not all embodiments of the present disclosure. The disclosure may be embodied or practiced in other different specific embodiments, and details within the subject specification may be modified or changed from various points of view and applications without departing from the spirit of the disclosure. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by one of ordinary skill in the art without inventive effort, based on the embodiments in this disclosure are intended to be within the scope of this disclosure.

It is noted that various aspects of the embodiments are described below within the scope of the following claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present disclosure, one skilled in the art will appreciate that one aspect described herein may be implemented independently of any other aspect, and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. In addition, such apparatus may be implemented and/or such methods practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.

It should also be noted that the illustrations provided in the following embodiments merely illustrate the basic concepts of the disclosure by way of illustration, and only the components related to the disclosure are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

In addition, in the following description, specific details are provided in order to provide a thorough understanding of the examples; however, it will be understood by those skilled in the art that the aspects may be practiced without these specific details; the embodiment of the utility model provides a water inlet three-way valve which drives a ceramic plate to rotate through a switch so as to control the opening and closing of a pipeline, and the water inlet three-way valve is further described below with reference to the accompanying drawings.

Referring to fig. 1-6, a controllable water inlet three-way valve according to a preferred embodiment of the present utility model includes a water inlet three-way body 1, a first channel 33, a second channel 31 and an external threaded port 32 which are mutually communicated are respectively provided on the water inlet three-way body 1, the first channel 33 and the second channel 31 have the same structure, an internal threaded port 20 is provided on the first channel 33, a quick connector 14 is provided on the second channel 31, and an external knob 8 is also provided on the water inlet three-way body 1.

Preferably, a connecting rod 21 is installed in the internal thread opening 20, a filter screen fixing sealing member 22 is arranged on one side of the connecting rod 21, a filter screen 23 is embedded on the filter screen fixing sealing member 22, and the filter screen 23 is fixed in an inner groove of the filter screen fixing sealing member 22 to prevent falling.

Preferably, the first channel 33 is provided with a fixing tube 13 with a clamping hook, the first channel 33 is provided with a slot, the clamping hook of the fixing tube 13 is hung on the slot in a penetrating manner, so that the fixing tube 13 is installed, the fixing tube 13 is provided with a spring piece 12, the spring piece 12 is provided with a pressing seat 11 for fixing the spring piece 12, the pressing seat 11 is provided with a double-sealing structure 9, namely two sealing elements, and a stabilizing ring 10 is adopted between the two sealing elements for stabilizing.

Preferably, a plurality of grooves 41 are respectively provided in the first channel 33, and the pressing seat 11 and the dual sealing structure 9 are both embedded in the grooves 41 to be tightly fixed, so as to reduce the activity space, and simultaneously avoid the risk of inserting the dual sealing structure 9 askew and breaking and reduce the risk of water leakage and air leakage.

Preferably, the first channel 33 is movably connected with the internal threaded port 20, specifically, the connecting rod 21 passes through the fixed tube 13, the pressing seat 11 and the double sealing structure 9, during which the connecting rod 21 is clamped by the clamping structure adopted by the spring piece 12, the connecting rod 21 cannot be pulled out after being inserted, and the pressure resistance is strong, meanwhile, the connecting rod 21 further plays a role of further fixing the fixed tube 13, the pressing seat 11 and the double sealing structure 9, and the connecting rod 21 is in sealing fit with the filter screen fixing sealing piece 22, so that the leakage problem is prevented.

Preferably, said second channel 31 is attached to the quick connector 14 by means of a fixed tube 13.

Preferably, the spring piece 12 is designed with a certain angle, a thick diameter 43 is added on the connecting rod 21 to prevent the spring piece 12 from being turned out reversely under the action of force, the bending direction of the spring piece 12 is formed towards the direction opposite to the force, so as to achieve the barb effect, thereby clamping the connecting rod 21, the connecting rod 21 is provided with a whole circle of groove 42 matched with the spring piece 12, the teeth of the spring piece 12 are positioned in the whole circle of groove 42 to avoid the risk of sliding out, a thick diameter 43 is added on the connecting rod 21, and the thick diameter 43 is reasonably matched with the angle of the spring piece 12 to prevent the spring piece 12 from being turned out reversely under the force, so that the compressive resistance is enhanced.

Preferably, the filter screen fixing seal member 22 is provided with three protruding ears, and as can be seen in the exploded view, the filter screen fixing seal member 22 is mounted at the bottom of the internal thread opening 20, and can be easily clamped into the thread groove of the internal thread opening 20, so that the whole seal member is not easy to fall off.

Preferably, the communication part of the first channel 33, the second channel 31 and the external thread opening 32 is provided with an upper ceramic plate 4 and a lower ceramic plate 3 to control the communication among the first channel 33, the second channel 31 and the external thread opening 32, the upper ceramic plate 4 and the lower ceramic plate 3 are provided with cross openings, the upper ceramic plate 4 is connected with a valve rod 5, the valve rod 5 is connected with an external knob 8, and the external knob 8 can drive the upper ceramic plate 4 to open or close the openings of the upper ceramic plate 4 and the lower ceramic plate 3 by screwing; the sealing durability life of the ceramic plate is greatly enhanced compared with that of the traditional side wall rubber ring.

Preferably, the water path or the air path is normally opened in both directions from the external screw port 32 or the internal screw port 20, and the second channel 31 is opened or closed by adjusting the angle of the upper ceramic plate 4.

Preferably, the water flow enters the water inlet tee body 1 through the internal thread port 20, and other water consuming equipment is protected from affecting the normal operation of machine parts due to impurities through the filtration of the filter screen 23.

Preferably, in the structure of the upper ceramic plate 4 and the lower ceramic plate 3, two intersecting holes of 45 degrees are formed in each of the upper ceramic plate 4 and the lower ceramic plate 3, when the upper ceramic plate 4 rotates 90 degrees in the open state, the upper ceramic plate 4 can be closed, and then can be actually opened after rotating 90 degrees, and a gear control angle is arranged on the upper ceramic plate 4; when a pipeline is additionally arranged and water supply is required to be stopped, the angle of the upper ceramic plate 4 is only required to be adjusted, and the holes of the upper ceramic plate 4 and the lower ceramic plate 3 are misplaced, so that the water path or the air path is closed; otherwise, if the ceramic plate is required to be opened, the upper ceramic plate 4 and the lower ceramic plate 3 are opened by rotating the upper ceramic plate 4 to open the water path or the air path.

The specific application method comprises the following steps: the rotary valve rod 5 drives the valve rod 5 to rotate through an external knob 8, so that the upper ceramic plate 4 is driven to rotate, and the switching function is realized; the outside knob 8 the inside design has square hole and valve rod 5 to cooperate, and valve rod 5 other one end is equipped with two feet and goes up the screens groove of potsherd 4 and cooperate, and when outside knob 8 rotated, square through square hole and 5 complex square drive valve rod 5 rotation of valve rod, valve rod 5 drives the potsherd 4 through two feet and rotates, carries out the angular position change to realize the switching function.

In detail, the round rod of the rotary valve rod 5 is sleeved with two sealing rings 6, and the valve rod 5 is fixed in the water inlet tee body 1 through a fixing nut 7; the external knob 8 is clamped on the step of the fixed nut 7; the valve rod 5 is fixed in the water inlet tee body 1 by the fixing nut 7, and the sealing ring 6 can be fixed in the water inlet tee body 1 by the fixing nut 7; as can be seen from the explosion diagram in the figure, the fixing nut 7 is provided with an inner hexagonal structure and an outer hexagonal structure, so that the fixing nut is convenient to install and detach; as can be seen from the sectional view in the figure, a step is arranged outside the fixing nut 7 to be matched with the external knob 8, and a forced disengaging groove is arranged on the external knob 8 to be matched with the fixing nut 7 so as to prevent the knob 8 from falling off.

In summary, the present disclosure is not limited to the specific embodiments, and any changes or substitutions that may be easily contemplated by those skilled in the art within the technical scope of the present disclosure are intended to be included in the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a controllable tee bend valve that intakes, includes the tee bend main part that intakes, is equipped with first passageway, second passageway and the external screw thread mouth of mutual intercommunication respectively in the tee bend main part that intakes, its characterized in that: the water inlet three-way valve is characterized in that an internal thread port is arranged on the first channel, a quick connector is arranged on the second channel, an external knob is further arranged on the water inlet three-way valve main body, and an upper ceramic plate and a lower ceramic plate are arranged at the communication position of the first channel, the second channel and the external thread port so as to control the communication among the first channel, the second channel and the external thread port.

2. A three-way valve for controlled water intake as defined in claim 1, wherein: the upper ceramic plate and the lower ceramic plate are provided with cross openings, the upper ceramic plate is connected with a valve rod, the valve rod is connected with an external knob, and the external knob can drive the upper ceramic plate to open or close the openings of the upper ceramic plate and the lower ceramic plate.

3. A three-way valve for controlled water intake as claimed in claim 2, wherein: the upper ceramic plate and the lower ceramic plate are respectively provided with two 45-degree cross openings, and when the upper ceramic plate rotates for 90 degrees in the open state, the upper ceramic plate and the lower ceramic plate can be closed, and then can be turned for 90 degrees to open.

4. A three-way valve for controlled water intake according to claim 3, wherein: the novel ceramic valve is characterized in that a clamping groove is formed in the upper ceramic plate, the valve rod drives to rotate through an external knob, the upper ceramic plate is driven to rotate, the switching function is achieved, a square hole is designed in the external knob to be matched with the valve rod, two pins are arranged at the other end of the valve rod to be matched with the clamping groove of the upper ceramic plate, when the external knob rotates, the valve rod drives the valve rod to rotate through the square hole and the valve rod in a matched mode, the valve rod drives the upper ceramic plate to rotate through the two pins, and the angle change is achieved, so that the switching function is achieved.

5. A three-way valve for controlled water intake as defined in claim 4, wherein: the valve rod is sleeved with two sealing rings, the valve rod is fixed on the water inlet tee joint main body through a fixing nut, the sealing rings can be fixed in the water inlet tee joint main body through the fixing nut, a step is arranged outside the fixing nut and matched with an external knob, the external knob is clamped on the step of the fixing nut, a strong disengaging groove for preventing the knob from falling off is formed in the external knob and matched with the fixing nut, and an inner hexagon and an outer hexagon structure convenient to install and detach are arranged on the fixing nut.

6. A three-way valve for controlled water intake as defined in claim 1, wherein: the connecting rod is arranged in the internal thread mouth, a filter screen fixing sealing piece is arranged on one side of the connecting rod, a filter screen is embedded on the filter screen fixing sealing piece, and the filter screen fixing sealing piece is provided with three protruding ears which can be clamped into a thread groove of the internal thread mouth easily, so that the filter screen fixing sealing piece is not easy to fall off.

7. A three-way valve for controlled water intake as defined in claim 6, wherein: the fixed pipe with the clamping hooks is arranged in the first channel, a slot is formed in the first channel, the clamping hooks of the fixed pipe are hung on the slot in a penetrating mode, the fixed pipe is installed, the fixed pipe is provided with a spring piece, the spring piece is provided with a pressing seat for fixing the spring piece, the pressing seat is provided with a double-sealing structure, namely two sealing pieces, and a stabilizing ring is adopted between the two sealing pieces to stabilize the fixed pipe.

8. A three-way valve for controlled water intake as defined in claim 7, wherein: the first channel is internally provided with a plurality of grooves respectively, the pressing seat and the double-sealing structure are embedded into the grooves to be tightly fixed, the first channel and the second channel are identical in structure, and the second channel is connected with the quick connector through a fixing pipe.

9. A three-way valve for controlled water intake as defined in claim 8, wherein: the first passageway loose joint internal thread mouth passes fixed pipe and pressure seat and double seal structure through the connecting rod, and during the period, the joint structure joint that utilizes the spring leaf to adopt just unable pull out and the pressure resistance is strong after the connecting rod inserts, and simultaneously, the connecting rod still plays the effect with fixed pipe, pressure seat and double seal structure further fixed, and the connecting rod is sealed laminating with filter screen fixed seal spare.

10. A three-way valve for controlled water intake as defined in claim 9, wherein: the spring piece designs certain angle, and increases one thick footpath on the connecting rod in order to prevent that the spring piece atress from turning over in the opposite direction of atress, the direction of bending of spring piece is formed towards the atress, reaches the barb effect to the joint connecting rod, and have on the connecting rod with spring piece complex whole circle recess, let the tooth of spring piece be in whole circle recess, in order to stop the risk of roll-off, increase one thick footpath on the connecting rod, this thick footpath carries out reasonable cooperation with the angle of spring piece, makes the compressive strength reinforcing, prevents that the spring piece atress from turning over in the opposite direction.

Images