CN1178013C

CN1178013C - Press button type water valve

Info

Publication number: CN1178013C
Application number: CNB001199730A
Authority: CN
Inventors: 王慈盟
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-06-29
Filing date: 2000-06-29
Publication date: 2004-12-01
Anticipated expiration: 2020-06-29
Also published as: CN1331392A

Abstract

The present invention relates to a press button type water valve. One end of a main body of the water valve is provided with a water inlet, and the other end of the main body is provided with a water outlet. A control chamber is formed between the water inlet and the water outlet. A water flow channel and a piston assembly are formed in the control chamber, and one end of the control chamber is provided with a press button capable of controlling the opening and the closing of the piston assembly. Thus, By controlling the opening and the closing of the piston assembly by the press button, the water flowing and the water seal of the water valve are controlled.

Description

Press button type water valve

Technical field

The present invention relates to a kind of water valve.

Background technique

The utilization scope of water valve is quite extensive, and modal promptly is to water or apply to aspects such as irrigation on the agricultural at gardening, in existing water valve design, include the electronic type solenoid valve or be mechanical water valve; The electronic type solenoid valve really can reach user's requirement on controlled water flow, and in the supply of the control of current and the water yield quite outstanding performance is arranged all, but because its unit price is too high, so that generally accepted by the people failing on the market; The mechanical type water valve then be for masses widely use a kind of, its make faucet mounted mostly and with the rotation or the mode of stirring come the controlled water flow and the water yield; Yet, if the position of this kind water valve setting is the words that are positioned at ground, the user then must bend over, this has increased the many inconvenience of user in the use virtually, especially for auld user, the quite thing of difficulty of bending over normally after must bending over still more, goes to control the switching of water valve again.

Summary of the invention

In view of the above-mentioned problems in the prior art, main purpose of the present invention is to provide a kind of press button type water valve of being more convenient for manipulating, it is that body one side in water valve is provided with the pressing button whether the may command water valve supplies water, and can control the water outlet and the sealing effect of water valve by this via pressing button.

A further object of the present invention is to provide a kind of press button type water valve, its button is the operator scheme that adopts segmented, that is be to adopt the mode of pushing a kind of control mode of linear transformation to design, and can allow the user need not always with finger presses on button, and make the user more convenient and comfortable on controlling and using.

Technical program of the present invention lies in providing a kind of press button type water valve, it is provided with water inlet in body one end of water valve, the other end of body is a water outlet, between water inlet and water outlet, then be formed with a control room, be formed with water flow passage and controlled water flow runner conducting whether piston assembly between conducting water inlet and water outlet in this control room, and in the control room one end is provided with the button assembly that the may command piston assembly opens and closes, its characteristics are that this button assembly comprises:

One shell, this shell is a tubular body, is formed with the flange of one at the one end, is arranged with a seal ring in this flange side, is formed with the positioning groove of the staggered and tool PDX of the depth again on the interior sidewall surface of shell,

One button, the one end be closed end and in addition end be opening end, this button is to be assembled in the shell by the end that shell does not have flange with closed end, opening end ora terminalis at button is provided with the even distribution of whole circle and the helical teeth that each tooth all has symmetrical inclined-plane, be formed with the positioning block that uniformly-spaced outwards protrudes in the nearly open end of button outer periphery simultaneously, this positioning block is placed in the deep trench of shell positioning groove

One dust cover, it is the outside that is set in shell, and is coated on the outside of button,

One knob, the one end be closed end and in addition end be opening end, be formed with equally distributed shifting block in the nearly open end side of outer periphery, knob is assembled wherein by the button openings end with its closed end, and this shifting block abuts in the helical teeth surface of button openings end ora terminalis, does to cooperate with the positioning groove of shell simultaneously, and allow this shifting block between the depth groove of positioning groove, be shifted, to adjust the effect of relative position between knob and shell, other is provided with in knob central authorities and is the insertion pipe that one plugs for the linkage rod end

One spring is placed among the knob by the assembling of the opening end of knob,

One capping, it all is assembled at button, knob and spring, and back, location involution is provided with holding in addition of flange at shell in the shell, and make the spring ejection between knob and capping, be provided with a perforation that supplies linkage rod to pass in these capping central authorities in addition, and be assembled with a seal ring in this capping side.

Aforesaid press button type water valve, its characteristics are: the end in the body control room is assembled with an enclosing cover, and piston assembly is assembled in this enclosing cover inboard, and this piston assembly is with a linkage rod and button assembly interlock.

Aforesaid press button type water valve, its characteristics are: this piston assembly comprises a piston, a pushing block and a spring,

The piston periphery is clamped between enclosing cover and the control room, and this piston central position can abut in the water flow passage side, be formed with a bar hole that supplies linkage rod to pass in these piston central authorities, and be formed with permeable hole in the appropriate location of its nearly periphery, the pushing block ejection is in piston one side, is provided with the bar groove of a ccontaining linkage rod end on this pushing block reclines a side of piston, is formed with a spring groove in the inboard of enclosing cover, spring is placed in this spring groove, and this spring ejection is between spring groove and pushing block.

Aforesaid press button type water valve, its characteristics are:

The positioning groove of wall setting in the enclosure include by relief in wall and on the polylith guiding block form the deep trench and the shallow trench of similar number at interval, all have guiding hypotenuse at a lateral margin of guiding block and adjacent shallow trench to one-sided inclination,

Opening end ora terminalis at button is formed with number and shell deep trench and the identical helical teeth of shallow trench sum, and the crown of each helical teeth just aligns a shell deep trench or a shallow trench, the number of positioning block that is located at the button outer periphery is identical with shell deep trench number, and is placed in the deep trench

It is identical with shell deep trench number to form equally distributed shifting block number in the nearly open end side of knob outer periphery, is formed with hypotenuse with guiding block edge equidirectional at this shifting block towards a side of shell positioning groove,

With knob, when button is mutually stacked with shell, the positioning block of button can be placed in the deep trench of shell, and the shifting block of knob also can be placed in the zanjon of shell, and this shifting block can be with its hypotenuse pushing and pressing on the helical teeth of button lip.

Aforesaid press button type water valve, its characteristics are:

The positioning groove of wall setting in the enclosure includes by the polylith guiding block of relief on wall and forms the deep trench of similar number, middle groove and shallow trench at interval, all has guiding hypotenuse at a lateral margin of each guiding block and adjacent middle groove, shallow trench to one-sided inclination

Opening end ora terminalis at button is formed with number and deep trench, middle shallow slot and the identical helical teeth of shallow trench sum, and the crown of each helical teeth just aligns a deep trench, middle groove or shallow trench, the number of positioning block that is located at the button outer periphery is identical with shell deep trench number, and be placed in the deep trench

With knob, when button is mutually stacked with shell, the positioning block of button is placed in the deep trench of shell, and the shifting block of knob also is placed in the zanjon of shell, and this shifting block can be with its hypotenuse pushing and pressing on the helical teeth of button lip.

Aforesaid press button type water valve, its characteristics are: the body of described water valve also comprises at least one described water outlet in addition, all is formed with identical described control room and corresponding described piston assembly and described button assembly between the described water outlet of described water inlet and each.

Aforesaid press button type water valve, its characteristics are: the end in each control room of body is assembled with an enclosing cover, and piston assembly is assembled in this enclosing cover inboard, and this piston assembly is with a linkage rod and button assembly interlock.

Aforesaid press button type water valve, its characteristics are:

The positioning groove of wall setting in the enclosure includes deep trench and the shallow trench that is formed similar number by the polylith guiding block of relief on wall at interval, all has guiding hypotenuse to one-sided inclination at a lateral margin of guiding block and adjacent shallow trench,

Aforesaid press button type water valve, its characteristics are:

Technical program of the present invention also lies in providing a kind of press button type water valve, it is provided with water inlet in body one end of water valve, the other end of body is a water outlet, between water inlet and water outlet, then be formed with a control room, be formed with water flow passage and controlled water flow runner conducting whether piston assembly between conducting water inlet and water outlet in this control room, and in the control room one end is provided with the button assembly that the may command piston assembly opens and closes, its characteristics are: this button assembly comprises:

One shell, it is a tubular body, is formed with the flange of one at the one end, is arranged with a seal ring in this flange side, is formed with a circle bulge loop in this shell inboard,

One button, the one end be closed end and in addition end be opening end, be provided with a circle retaining edge in the opening end outboard peripheries, and at the inboard interior pipe that forms one of button, the opening ora terminalis of pipe is formed with the helical teeth that the even distribution that is provided with whole circle and each tooth all have symmetrical inclined-plane in this, this button groups is to pack into towards the end that shell does not have flange with closed end when packing in the shell, and its retaining edge can stop the location by the bulge loop of shell

One control cover, it is a tubulose, its sheathed outside that is assembled in pipe in the button, the outside of end in addition that is sheathed with pipe in the button at the control cover is provided with a clamping block that protrudes, be provided with positioning groove in this control cover inboard, this positioning groove is made of deep trench and shallow trench

One knob, it is column substantially, the one end is thinner fit end, end then is thicker struck side in addition, be formed with equally distributed shifting block in this outside, struck side, this knob is arranged in the interior pipe of button with its fit end, the struck side then is placed in the control cover, and its shifting block is the helical teeth surface that abuts in tube opening end ora terminalis in the button, simultaneously do to cooperate with the positioning groove of control cover, and when allowing this shifting block between the depth groove of positioning groove, be shifted, with the relative position between adjustment knob and shell, be provided with a bar groove that supplies the linkage rod end to wear in knob struck side end face central authorities in addition

One spring is arranged on the end, struck side of knob,

One capping, after button, control cover, knob and spring all are assembled in the shell location, be provided with the end in addition of flange at shell with this capping involution, overlap the clamping slot that is provided with on the one side that reclines mutually for control cover clamping block blocking location in this capping and control, be provided with a perforation that supplies linkage rod to pass in these capping central authorities in addition, and be assembled with a seal ring in this capping side.

The present invention compared with the prior art advantage and good effect is very obvious.By above technological scheme as can be known, the present invention does brand-new design with water valve, it can allow the user whether control water supply with foot's pressing button when operation, its mode of operation has broken through the design of existing water valve fully, no matter be that adult or child all can operate easily, the present invention is provided with position structure in PBU pushbutton unit again, it can keep piston in opening state after button press, so that the water supply of persistency to be provided, and when pushing once more, change the water supply state or cut off water supply, it can provide the user splendid selection in operation.

Description of drawings

Further specify specific structural features of the present invention and purpose below in conjunction with accompanying drawing, in the accompanying drawing:

Fig. 1 is a preferred embodiment schematic appearance of the present invention;

Fig. 2 is the first preferred embodiment assembly decomposing schematic representation of the present invention;

Fig. 3 is the combination cross-sectional schematic that the first preferred embodiment piston of the present invention is positioned at operating position;

Fig. 4 is the combination cross-sectional schematic that the first preferred embodiment piston of the present invention is positioned at the enable possition;

Fig. 5 A is the position structure planar development schematic representation in the first preferred embodiment button assembly of the present invention;

Fig. 5 B is the schematic representation that each position structure is combined in the button assembly of the present invention;

Fig. 5 C is the illustrative view when each position structure is combined in the button assembly of the present invention;

Fig. 5 D is the position view after the position structure start in the button assembly of the present invention;

Fig. 6 is the position structure planar development schematic representation in the second preferred embodiment button assembly of the present invention;

Fig. 7 is the 3rd a preferred embodiment assembly decomposing schematic representation of the present invention;

Fig. 8 is the combination cross-sectional schematic that the 3rd preferred embodiment piston of the present invention is positioned at operating position;

Fig. 9 is the combination cross-sectional schematic that the 3rd preferred embodiment piston of the present invention is positioned at the enable possition;

Figure 10 is the position structure planar development schematic representation in the 3rd preferred embodiment button assembly of the present invention;

Figure 11 is the stereo appearance figure of another specific embodiment of the present invention.

Embodiment

See also shown in Figure 1, it is a preferred embodiment schematic appearance of the present invention, it is provided with water inlet 120 (referring to Fig. 3) in body 10 1 ends of a water valve, the other end of body 10 is a water outlet 19, can assemble a shower nozzle (not shown) at these water outlet 19 places, then be formed with a control room 14 between water inlet 120 and water outlet 19, an end in this control room 14 is combined with an enclosing cover 144, end then is protruding with a button 24 in addition, and the user can be via the water spray operation of button 24 control water valves.

Shown in Figure 2, it is the first preferred embodiment assembly decomposing schematic representation of the present invention, wherein can see the present invention and be arranged on every control member in body 10

control rooms

14,14 enclosing cover 144 inboards are assembled with a piston assembly 16 and a linkage rod 18 in the control room, and this piston assembly 16 comprises a piston 160, a pushing block 162 and a spring 164;

The inboard of holding in addition that is assembled with enclosing cover 144 in body 10 control rooms 14 is assembled with button assembly 20, and this button assembly 20 comprises that a shell 22, is arranged on dust cover 23, a button 24, a knob 26 and a spring 28 in shell 22 outsides;

This shell 22 is a tubular body, be provided with assembling screw thread 220 in its outside, and assembling screw thread 220 sides at one end are formed with the flange 222 of one, are arranged with a seal ring 228 in these flange 222 sides, are formed with the positioning groove 224 of the staggered and tool PDX of the depth again on the interior sidewall surface of shell 22;

This dust cover 23 is the outsides that directly are set in shell 22, and is coating button 24, causes the infringement of each parts by this to prevent dust from entering into shell 22 inside.

Button 24 1 ends be closed end and in addition end be opening end, be to pack into towards the end that shell 22 does not have flange 222 when being assembled in the shell 22 with closed end, opening end ora terminalis at button 24 is provided with the even distribution of whole circle and the helical teeth 240 that each tooth all has symmetrical inclined-plane, be formed with the positioning block 242 that uniformly-spaced outwards protrudes in the nearly open end of button 24 outer periphery simultaneously, when button 24 was assembled in the shell 22, this positioning block 242 was just corresponding in shell 22 positioning grooves 224;

One end of knob 26 be closed end and in addition end be opening end, be formed with equally distributed shifting block 260 in the nearly open end side of outer periphery, in the time of when knob 26 is packed button 24 opening ends into its closed end in, this shifting block 260 can abut in helical teeth 240 surfaces of button 24 opening end ora terminalis, can do to cooperate with the positioning groove 224 of shell 22 simultaneously, and can allow this shifting block 260 between the depth groove of positioning groove 224, be shifted the time, reach the effect of adjusting

knob

26 and 22 relative positions of shell, be provided with the insertion pipe 262 that is one in knob 26 central authorities in addition;

Spring 28 is placed among the knob 26 by the assembling of the opening end of knob 26;

After button 24, knob 26 and spring 28 all are assembled in the shell 22 location, can be provided with holding in addition of flange 222 at shell 22 by a capping 226 involutions, its involution mode can adopt high frequency waves welding or other suitable mode combination, allow button assembly 20 be contained in fully between shell 22 and the capping 226, be provided with a perforation 2260 in these capping 226 central authorities in addition, and be assembled with a seal ring 2262 in these capping 226 sides.

Fig. 3 is the combination cross-sectional schematic that the first preferred embodiment piston of the present invention is positioned at operating position, wherein can see the configuration status of the present invention's each member in this embodiment, end at body 10 is formed with water inlet 120, the end in addition of body 10 then is a water outlet 19, between water inlet 120 and water outlet 19, be control room 14, be formed with the water flow passage 140 of conducting water inlet 120 and water outlet 19 in this control room 14, an end of 14 cooperates enclosing cover 144 to be assembled with piston assembly 16 (cooperation is consulted shown in Figure 2) in the control room, control room 14 other ends then are assembled with button assembly 20, one linkage rod 18 and are engaged between piston assembly 16 and the button assembly 20;

Piston 160 peripheries of being made by rubber or similar soft material shown in the figure are clamped between enclosing cover 144 and the control room 14, be formed with a bar hole 1600 that supplies linkage rod 18 to pass in these piston 160 central authorities, and be formed with permeable hole 1602 in the appropriate location of its nearly periphery, pushing block 162 ejections are in piston 160 1 sides, on reclining a side of piston 160, this pushing block 162 is provided with the bar groove 1620 of a ccontaining linkage rod 18 ends, be formed with a spring groove 1440 in the inboard of enclosing cover 144, spring 164 is placed in this spring groove 1440, and these spring 164 ejections are between spring groove 1440 and pushing block 162, at this state lower piston 160 water flow passage in the control room 14 140 is blockaded, make the current of water inlet 120 sides to send by water outlet 19 by control room 14;

20 of button assemblies in this embodiment are contained between shell 22 and the capping 226, it is that as shown in Figure 2 order is assembled into location in the shell 22 with button 24, knob 26 and spring 28, and then blockaded with capping 226, and make spring 28 ejections between knob 26 and capping 226, so promptly finish the assembling of button assembly 20; Can this button assembly 20 be assembled among the control room 14 of water valve body 10 of the present invention easily then, its assembling the time can be used the assembling that matches with internal thread (not giving label) in body 10 control rooms 14 of the assembling screw thread 220 in shell 22 outsides, and 18 of linkage rod are arranged in the insertion pipe 262 of knob 26 after passing the perforation 2260 of a seal ring 2262 and capping 226.

When the user is pressed into button 24 in control room 14, promptly can be as shown in Figure 4, via linkage rod 18 pushing block in the piston assembly 16 162 is passed in the spring groove 1440 of enclosing cover 144, and make the spring 164 in the spring groove 1440 be compressed with spring 28 in the button assembly 20, this moment, piston 160 lost the ejection of pushing block 162, promptly can't resist the hydraulic pressure of water inlet 120 sides, and piston 160 can be passed to position shown in Fig. 4 by the position shown in Fig. 3, and make the water flow passage 140 in the control room 14 be unlocked, the current at water inlet 120 places can be sent by water outlet 19 via water flow passage 140, reach the effect of opening water valve of the present invention.

When the user discharges button 24, button assembly 20 can be subjected to the ejection of spring 28 and return back to position shown in Fig. 3 by position shown in Fig. 4, pushing block 162 has lost the press power of linkage rod 18 again, promptly can be subjected to the ejection of spring 164 and move to position shown in Fig. 3 by position shown in Fig. 4, and and then piston 160 is pushed back the position of the water flow passage 140 of blockading shown in Fig. 3 by pushing block 162; In order to ensure the piston 160 of the present invention water flow passage 140 of can blockading closely, so the appropriate location at piston 160 nearly peripheries is formed with permeable hole 1602, when piston 160 of the present invention moves among Fig. 3 the position, the water of water inlet 120 sides can enter between piston 160 and the enclosing cover 144 via piston 160 permeable holes 1602, that is being provided with in the space that can allow between piston 160 and the enclosing cover 144 of this permeable hole 1602 of mat has and the identical hydraulic pressure of water inlet 120 sides, and can utilize this hydraulic pressure to oppress piston 160, allow piston 160 that water flow passage 140 is done to blockade more closely, and the phenomenon that can not leak.

The present invention is in order to make the user more convenient and comfortable when using again, so in button assembly 20, designed the structure of location, cooperate Fig. 5 A to see it, it is the position structure planar development schematic representation in the first preferred embodiment button assembly 20 of the present invention, wherein can see positioning groove 224 in shell 22 internal face settings includes by relief and (ten guiding blocks 2240 is arranged in the deep trench 2242 that the polylith guiding block on the wall 2240 forms similar number at interval with shallow trench 2244 in the embodiment shown in the accompanying drawing, five deep trench 2242, five shallow trenchs 2244), all has guiding hypotenuse at a lateral margin of guiding block 2240 and adjacent shallow trench 2244 to one-sided inclination; Be formed with number at the opening end ora terminalis of button 24 and add the identical helical teeth 240 (ten helical teeth are arranged) of shallow trench 2244 sums in the embodiment shown in the figure with deep trench 2242, and the crown of each helical teeth 240 just aligns the central authorities of a deep trench 2242 or shallow trench 2244, be located at the number identical with shell 22 deep trench 2242 numbers (five positioning blocks 242 are arranged) of the positioning block 242 of button 24 outer periphery in the embodiment shown in the figure, and can when assembling, be placed in the deep trench 2242, be pivoted relative to each other to guarantee can not produce between button 24 and the shell 22; Form equally distributed shifting block 260 numbers identical with shell 22 deep trench 2242 numbers (five shifting blocks 260 are arranged) in the nearly open end side of knob 26 outer periphery in the embodiment shown in the figure, be formed with hypotenuse with guiding block 2240 edge equidirectionals towards a side of shell 22 positioning grooves 224 at this shifting block 260;

When according to the relative position shown in Fig. 5 B with knob 26, button 24 and shell 22 when mutually stacked, the positioning block 242 of button 24 can be placed in the deep trench 2242 of shell 22, the shifting block 260 of knob 26 also can be placed in the deep trench 2242 of shell 22, and only this shifting block 260 can be with its hypotenuse pushing and pressing on the helical teeth 240 at button 24 edges;

When the user with button 24 when the direction with helical teeth 240 is passed (when pushing position shown in Fig. 4 to) by position shown in Fig. 3, the helical teeth 240 of button 24 can promote knob 26 and move in the same direction via the shifting block 260 of knob 26, when button 24 is pushed to the displacement terminal point, the shifting block 260 of knob 26 can be pushed away deep trench 2242 scopes (as shown in Fig. 5 C) of shell 22, this moment, shifting block 260 promptly can slide to the tooth root position by the helical teeth 240 along button 24 because of the ejection of spring 28, even knob 26 produces rotation in this slippage, then the user can discharge button 24, this moment, spring 28 meetings were with knob 26 ejection displacement in the opposite direction, yet because knob 26 has produced rotation, and make its shifting block 260 and the deep trench 2242 of shell 22 stagger, so when knob 26 is pushed back by spring 28, its shifting block 260 can slide to shallow trench 2244 places along the guide ramp of guiding block 2240, and rest on this position, but positioning action that is provided in water valve mat button assembly 20 of the present invention promptly is being provided for this, can allow button 24 after being pressed once and discharging, promptly rest on the position shown in Fig. 4, and can keep the water supply (as shown in Fig. 5 D) that water valve continues.

Again when the user desires to stop to supply water, can again button 24 be pushed once, the helical teeth 240 of button 24 can push away knob 26 via shifting block 260 the control scope of shell 22 shallow trenchs 2244 once more at this moment, and, shifting block 260 make knob 26 rotate once more because of dropping down onto helical teeth 240 tooth root positions, and when button 24 is released, the shifting block 260 of the knob 26 that is pushed back by spring 28 promptly can drop on shallow trench 2244 in addition on guiding block 2240 guide ramp of sides, and along this guide ramp landing to deep trench 2242, so can make button assembly 20 return back to position shown in Fig. 3 by position shown in Fig. 4, and allow piston 160 that water flow passage 140 is blockaded, reach the effect that stops to supply water.

Shown in Figure 6, it is the position structure planar development schematic representation in the second preferred embodiment button assembly of the present invention, this preferred embodiment is to be changed and got by aforementioned first preferred embodiment, wherein can see the positioning groove 224 ' that is provided with at shell 22 ' internal face and include the deep trench 2242 ' that forms similar number by the polylith guiding block 2240 ' of relief on wall at interval, middle groove 2243 ' (has 12 guiding blocks 2240 ' with shallow trench 2244 ' in the embodiment shown in the accompanying drawing, four deep trench 2242 ', four middle grooves 2243 ', four shallow trenchs 2244 '), at each guiding block 2240 ' and adjacent middle groove 2243 ', one lateral margin of shallow trench 2244 ' all has the guiding hypotenuse to one-sided inclination; Groove 2243 ' adds the identical helical teeth 240 ' (12 helical teeth 240 ' are arranged) of shallow trench 2244 ' sum in the embodiment shown in the accompanying drawing in the opening end ora terminalis of button 24 ' is formed with number and deep trench 2242 ' adds, and the crown of each helical teeth 240 ' just aligns a deep trench 2242 ', the central authorities of middle groove 2243 ' or shallow trench 2244 ', be located at the number identical with shell 22 ' deep trench 2242 ' number (four positioning blocks 242 ' are arranged) of the positioning block 242 ' of button 24 ' outer periphery in the embodiment shown in the figure, and can when assembling, be placed in the deep trench 2242 ', be pivoted relative to each other to guarantee can not produce between button 24 ' and the shell 22 '; Form equally distributed shifting block 260 ' number identical with shell 22 ' deep trench 2242 ' number (four shifting blocks 260 ' are arranged) in the nearly open end side of knob 26 ' outer periphery in the embodiment shown in the figure, be formed with hypotenuse with guiding block 2240 ' edge equidirectional towards a side of shell 22 ' positioning groove 224 ' at this shifting block 260 ';

When according to the relative position shown in Fig. 6 with knob 26 ', button 24 ' and shell 22 ' when mutually stacked, the positioning block 242 ' of button 24 ' can be placed in the deep trench 2242 ' of shell 22 ', the shifting block 260 ' of knob 26 ' also can be placed in the deep trench 2242 ' of shell 22 ', and only this shifting block 260 ' can be with its hypotenuse pushing and pressing on the helical teeth 240 ' at button 24 ' edge;

When the user with button 24 ' when the direction with helical teeth 240 ' is passed (when pushing position shown in Fig. 4 to) by position shown in Fig. 3, the helical teeth 240 ' of button 24 ' can promote knob 26 ' and move in the same direction via the shifting block 260 ' of knob 26 ', when button 24 ' is pushed to the displacement terminal point, the shifting block 260 ' of knob 26 ' can be pushed away the deep trench 2242 ' scope of shell 22 ', this moment, shifting block 260 ' promptly can be because of spring 28 (as Fig. 3, shown in 4) ejection and slide to the tooth root position along the helical teeth 240 ' of button 24 ', even knob 26 ' produces rotation in this slippage, then the user can discharge button 24 ', this moment, spring 28 meetings were with knob 26 ' ejection displacement in the opposite direction, yet because knob 26 ' has produced rotation, and make its shifting block 260 ' and the deep trench 2242 ' of shell 22 ' stagger, so when knob 26 ' is pushed back by spring 28, groove 2243 ' was located during its shifting block 260 ' can slide to along the guide ramp of guiding block 2240 ', and rest on this position, can make piston be opened near position shown in Fig. 4 this moment, and allow water valve of the present invention supply water;

When user's pressing button 24 ' and make knob 26 ' produce rotation once more, and during release-push 24 ', the shifting block 260 ' of knob 26 ' promptly can drop down onto shallow trench 2244 ' and locate (position as shown in Figure 4), this moment, the degree that is unlocked of piston wanted big in the groove 2243 ' time in promptly resting on than the shifting block 260 ' of knob 26 ', so the user can obtain bigger water-outlet quantity;

When desiring to stop to supply water, can again button 24 ' be pushed once, the helical teeth 240 ' of button 24 ' can push away the control scope of shell 22 ' shallow trench 2244 ' via shifting block 260 ' with knob 26 ' once more and rotate once more at this moment, and when button 24 ' is released, the shifting block 260 ' of the knob 26 ' that is pushed back by spring 28 promptly can fall back in the deep trench 2242 ', so can make button assembly 20 return back to position shown in Fig. 3, and allow piston 160 that water flow passage 140 is blockaded, reach the effect that stops to supply water.

Button assembly in aforementioned the present invention's second preferred embodiment can provide the big current of user, than small water flow and the three kinds of switch modes that stop to supply water, and only need pressing button 24 ' can reach the effect of switching, quite convenient in operation.

Next see it by Fig. 7, it is the 3rd a preferred embodiment assembly decomposing schematic representation of the present invention, the overall architecture shown in it and first preferred embodiment are identical, it has identical body 10 and piston assembly 16, and in body 10 control rooms 14, be equipped with the linkage rod 18 of an action piston assembly 16, precisely because be assembled with a different button assembly 30 in the control room 14;

This button assembly 30 comprises a shell 32, a button 34, control cover 35, one knob 36 and a spring 38;

This shell 32 is a tubular body, be provided with assembling screw thread 320 in its outside, and assembling screw thread 320 sides at one end are formed with the flange 322 of one, are arranged with a seal ring 328 in these flange 322 sides, can see to be formed with a circle bulge loop 324 in these shell 32 inboards in Fig. 8;

Button 34 1 ends be closed end and in addition end be opening end, be provided with a circle retaining edge 340 in the opening end outboard peripheries, and at the button 34 inboard interior pipes 342 that form one, pipe 342 opening ora terminalis is formed with the helical teeth 344 that the even distribution that is provided with whole circle and each tooth all have symmetrical inclined-plane in this, this button 34 is to pack into towards the end that shell 32 does not have flange 322 with closed end when being assembled in the shell 32, and its retaining edge 340 can stop the location by the bulge loop 324 of shell 32;

Control cover 35 is a tubulose, its sheathed outside that is assembled in pipe 342 in the button 34, the outside of end in addition that is sheathed with pipe 342 in the button 34 at control cover 35 is provided with a clamping block 350 that protrudes, overlap 35 inboards in this control and be provided with positioning groove 352, this positioning groove 352 is constituted (consulting shown in the 10th figure) by deep trench 3520 and shallow trench 3522;

Knob 36 roughly is column, the one end is thinner fit end 360, end then is thicker struck side 362 in addition, be formed with equally distributed shifting block 364 in these 362 outsides, struck side, when knob 36 assemblings is to penetrate in the interior pipe 342 of button 34 with its fit end 360,362 of struck sides are placed in the control cover 35, and its shifting block 364 is helical teeth 344 surfaces that abut in pipe 342 opening end ora terminalis in the button 34, simultaneously can overlap 35 positioning groove 352 with control does to cooperate, and can allow this shifting block 364 between the depth groove of positioning groove 352, be shifted the time, reach the effect of adjusting

knob

36 and 32 relative positions of shell, be provided with a bar groove 366 that supplies linkage rod 18 ends to wear in knob 36 struck sides 362 end face central authorities in addition;

Spring 38 is arranged on 362 ends, struck side of knob 36;

All be assembled in the shell 32 behind the location at button 34, control cover 35, knob 36 and spring 38, can be provided with holding in addition of flange 322 at shell 32 by a capping 326 involutions, allow button assembly 30 be contained in fully between shell 32 and the capping 326, on this capping 326 and control cover 35 one sides that recline mutually, be provided with the clamping slot 3260 that 35 clamping blocks, 350 blockings location is overlapped in confession control, make control cover 35 when the assembling location, can not produce swing offset, be provided with a perforation 3262 that supplies linkage rod 18 to pass in these capping 326 central authorities in addition, and be assembled with a seal ring 3264 in these capping 326 sides.

Fig. 8 is the combination cross-sectional schematic that the 3rd preferred embodiment piston of the present invention is positioned at operating position, wherein this piston assembly 16 cooperates enclosing cover 144 to be assembled in body 10 control rooms 14 1 ends, and button assembly 30 is assembled in control room 14 the other ends, and a linkage rod 18 is engaged between piston assembly 16 and the button assembly 30;

When user's pressing button 34, can be via the piston 160 in the linkage rod 18 passing piston assemblys 16, and piston 160 is passed to the enable possition shown in Fig. 9 by the closed position shown in Fig. 8, to make water valve of the present invention supply water, when button 34 is released and is rebounded position shown in Fig. 8 by spring 38, piston 160 also can be pushed back the closed position shown in Fig. 8 through pushing block 162 by spring 164, reaches the operation that stops to supply water.

Controlling when only using for a long time for the convenience of the users, and need not to continue pressing button 34, so in button assembly 30, also be provided with position structure, cooperate the position structure planar development schematic representation of the 10th figure to see it, first preferred embodiment shown in the technological means of its utilization and Fig. 5 is identical, it is that pipe 342 opening ora terminalis are provided with helical teeth 344 in button 34, in control cover 35, be provided with positioning groove 352, around the struck side 362 of knob 36, be provided with the shifting block 364 that matches, by this can be when button 34 be pressed and discharges, knob 36 is rotated, and can allow shifting block 364 switch the location with shallow trench 3522 intercropping, and then reach control piston 160 and maintain the closed position of Fig. 8 or the enable possition of Fig. 9 in the deep trench 3520 of the positioning groove 352 of control cover 35.

See it by Figure 11 again, it is the External view of the 4th preferred embodiment of the present invention, and the overall architecture shown in it and aforementioned each preferred embodiment are identical, and it has identical body; Yet in this embodiment, it is to have a water inlet (indicate) and at least two water outlets 19,191, two control rooms 14 at body one end, has controller hook separately in each control room respectively; Also that is to say, in this embodiment, spray away via control by different water outlets 19,191 places discriminably, can increase effective sprinkling zone by this by the single water that water inlet flowed into.

Claims

1. press button type water valve, it is provided with water inlet in body one end of water valve, the other end of body is a water outlet, between water inlet and water outlet, then be formed with a control room, be formed with water flow passage and controlled water flow runner conducting whether piston assembly between conducting water inlet and water outlet in this control room, and in the control room one end is provided with the button assembly that the may command piston assembly opens and closes, it is characterized in that this button assembly comprises:

2. press button type water valve according to claim 1 is characterized in that: the end in the body control room is assembled with an enclosing cover, and piston assembly is assembled in this enclosing cover inboard, and this piston assembly is with a linkage rod and button assembly interlock.

3. press button type water valve according to claim 1 and 2 is characterized in that: this piston assembly comprises a piston, a pushing block and a spring,

4. press button type water valve according to claim 1 is characterized in that:

5. press button type water valve according to claim 1 is characterized in that:

6. press button type water valve according to claim 1, it is characterized in that: the body of described water valve also comprises at least one described water outlet in addition, all is formed with identical described control room and corresponding described piston assembly and described button assembly between the described water outlet of described water inlet and each.

7. press button type water valve according to claim 6 is characterized in that: the end in each control room of body is assembled with an enclosing cover, and piston assembly is assembled in this enclosing cover inboard, and this piston assembly is with a linkage rod and button assembly interlock.

8. according to claim 6 or 7 described press button type water valves, it is characterized in that: this piston assembly comprises a piston, a pushing block and a spring,

9. press button type water valve according to claim 6 is characterized in that:

10. press button type water valve according to claim 6 is characterized in that:

11. press button type water valve, it is provided with water inlet in body one end of water valve, the other end of body is a water outlet, between water inlet and water outlet, then be formed with a control room, be formed with water flow passage and controlled water flow runner conducting whether piston assembly between conducting water inlet and water outlet in this control room, and in the control room one end is provided with the button assembly that the may command piston assembly opens and closes, it is characterized in that this button assembly comprises

One spring is arranged on the end, struck side of knob,

12. press button type water valve according to claim 11, it is characterized in that: the body of described water valve also comprises at least one described water outlet in addition, all is formed with identical described control room and corresponding described piston assembly and described button assembly between the described water outlet of described water inlet and each.