CN1116121C

CN1116121C - Press button type water spraying gun

Info

Publication number: CN1116121C
Application number: CN 00118730
Authority: CN
Inventors: 王慈盟
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-06-16
Filing date: 2000-06-16
Publication date: 2003-07-30
Anticipated expiration: 2020-06-16
Also published as: CN1329945A

Abstract

The present invention relates to a button type water spraying gun. A grip is arranged at one end of a water spraying gun body, a water inlet is arranged at the tail end of the grip, and a water outlet is arranged at the other end of the water spraying gun body. A control room is formed between the water inlet and the water outlet, a water flow passage and a piston component are formed in the control room, and a pressing button is arranged at one end of the control room and can be used for controlling the piston component to be opened and closed. Thus, the button controls the piston component to be opened and closed so as to control the water to flow out of the water spraying gun or stop.

Description

Press button type water spraying gun

Technical field

The present invention relates to a kind of water pistol.

Background technology

The utilization scope of water pistol is quite extensive, modal promptly is to water or aspect such as carwash at gardening, in existing water pistol design is the pattern that body one end is designed to be handle mostly, and at the terminal water inlet pipe that is connected of handle, and hold assembling to be provided with the shower nozzle of water spray in addition at handle, simultaneously be provided with a pressure handle in this handle one side, when using, the user grips handle with palm, refer to control pressure handle with four simultaneously, even the valve that is arranged on when pressure handle is pressed towards handle in the body is unlocked, and allow the current in the water inlet pipe spray by shower nozzle, when pressure handle is released, the valve that is arranged in the body promptly is closed, and makes current end, and it has been enough to meet the required of common people on controlling.

In the design of some water pistol, do not considered the long-time situation of using of user, when the user needs to use for a long time, must be with four fingers constantly to the pressure handle application of force, its not single finger that allows easily feels tired, can knot even or phenomenon that pain etc. is uncomfortable, in order to solve this problem, in the design of some water pistols, promptly set up a clasp or similar clamping structure in addition in the pressure handle side, and can when being pressed towards handle and supplying water, pressure handle carry out blocking to pressure handle, with the water supply that keeps continuing, and allow the user so can in supplying water for a long time, the user can not felt exhausted always to the pressure handle application of force.

In aforementioned existing water gun structure design, though it has satisfied user's basic functions demand, but just general user's operating habit, it still can't meet the operational requirements of human body merit, because water pistol the time all is to be foundation at one-handed performance in design, that is the opening angle of design of the handle of its body and pressure handle and radian etc., all be to arrange in pairs or groups according to common people's palm mean size, yet in practice, but find general water pistol and the hand size that can't apply to everyone, when the body and the distance between the pressure handle of water pistol excessive or too small, all can allow the operator when operation, not feel well, when the excessive time finger of distance can't be appropriate to the pressure handle application of force, this type of situation is the most common when child's help is watered, this moment, the child mostly must be to grip water pistol body handle on the other hand, and push pressure handle with another hand, its not single operation difficulty also might be pressed onto finger simultaneously; When distance is too small, then point again and be difficult for the application of force, because joint and muscle with regard to palm distribute, the position of the easy application of force is between tiger and the finger second knuckle, make body and pressure handle drop on respectively between the tiger and third knuckle of user's palm if the water pistol specification is less, then must allow the user be difficult for application of force operation.

Most American-European personage's palm is bigger in general notion, and Asians's palm is then less, and this has promptly caused sizable predicament to the design of water pistol; Perhaps production firm can be according to being sold to the product specification that water pistol is adjusted in different regions, but in fact everyone hand size promptly has suitable otherness, adult and child's otherness is bigger, yet the design of water pistol body can't be selected for the user as producing various model as clothes or the shoes, the user also can not purchase the water pistol of many different size specifications according to each member is different in the family hand size and replace use, so the structure that existing water pistol adopts pressure handle to control water spray has its weak point really.

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 spraying gun that more meets ergonomics, it is that body one side in water pistol is provided with and can controls the button of pushing whether water pistol supply water, and can control the water outlet and the sealing effect of water pistol by pushing button by this.

A further object of the present invention is to provide a kind of press button type water spraying gun, its button is the operator scheme that adopts segmented, that is it is to adopt the mode of pushing a kind of control model 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 spraying gun, its characteristics are: this water pistol body one end is provided with water inlet, the other end of body is a delivery port, between water inlet and delivery port, then be formed with a control room, be formed with water flow passage and control water flow passage conducting whether piston component between conducting water inlet and delivery port in this control room, and one end is provided with the button assembly that can control the piston component keying in the control room;

End in the body control room can be assembled with an enclosing cover, and piston component is assembled in this enclosing cover inboard, and this piston component is with a gangbar and button assembly interlock;

This piston component can comprise a piston, a pushing block and a spring,

The piston periphery is clamped between enclosing cover and the control room, and this piston central part can abut in the water flow passage side, be formed with a bar hole that supplies gangbar 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 gangbar 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;

This button assembly can comprise:

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 blind end and in addition end be openend, this button is to be assembled in the shell by the end that shell does not have flange with blind end, openend 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 locating piece that uniformly-spaced outwards protrudes in the nearly open end of button outer peripheral edges simultaneously, this locating piece is placed in the deep trench of shell positioning groove

One knob, the one end be blind end and in addition end be openend, be formed with equally distributed shifting block in the nearly open end side of outer peripheral edges, knob is assembled wherein by the button openings end with its blind 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 gangbar end

One spring is placed among the knob by the assembling of the openend 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 gangbar to pass in these capping central authorities in addition, and be assembled with a seal ring in this capping side.

In above-mentioned press button type water spraying gun, the positioning groove of wall setting in the enclosure can include 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 at a lateral margin of guiding block and adjacent shallow trench to one-sided inclination

Be formed with number at the openend ora terminalis of button and add the identical helical teeth of shallow trench sum with the shell deep trench, and the crown of each helical teeth just aligns a shell deep trench or a shallow trench, the number of locating piece that is located at the button outer peripheral edges 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 peripheral edges, is formed with hypotenuse with guiding block edge equidirectional at this shifting block towards a side of shell positioning groove,

When knob, button were repeatedly put mutually with shell, the locating piece 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.This shifting block can be with its hypotenuse pushing and pressing on the helical teeth of button lip.

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

Shallow slot adds the identical helical teeth of shallow trench sum in the openend ora terminalis of button is formed with number and deep trench adds, and the crown of each helical teeth just aligns a deep trench, middle groove or shallow trench, the number of locating piece that is located at the button outer peripheral edges is identical with shell deep trench number, and be placed in the deep trench

When knob, button were repeatedly put mutually with shell, the locating piece of button was placed in the deep trench of shell, and the shifting block of knob also is placed in the zanjon of shell.This shifting block can be with its hypotenuse pushing and pressing on the helical teeth of button lip.

Perhaps this button assembly can comprise:

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 blind end and in addition end be openend, be provided with a circle retaining edge in the openend 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 blind 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 gangbar 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 gangbar to pass in these capping central authorities in addition, and be assembled with a seal ring in this capping side.

Or this button assembly can comprise:

One button, it is a column, it is assembled with a gag for the place, outer end that the user pushes, the inner is provided with an ejection end, and be provided with a containing hole in a side near this ejection end, and in this containing hole, be assembled with a little spring and a pilot pin, the aperture of this containing hole is than the slightly larger in diameter of pilot pin, this pilot pin can be done swing to a certain degree in containing hole

One outer holder, it is a ring-type block, its central authorities are provided with a through hole that can supply button the inner to penetrate, be assembled with a control plate at this through hole corresponding to a side of button containing hole opening direction, be provided with a control annular groove in this control plate, this control annular groove inboard is a central block, in this control annular groove, be formed with and be positioned at most advanced and sophisticated first stop and second dwell point that is positioned at concave position, simultaneously be formed with first turning point and second turning point respectively in the second dwell point both sides, aforementioned pilot pin makes the one end be placed in the control annular groove by being placed in the little spring ejection in the containing hole, and in pilot pin when the control annular groove that is subjected to the control plate and central block are passed, can be shifted along the control annular groove

Holder in one also is a ring-type block, and its central authorities are formed with a mesopore, are assembled with a slide block and a spring in this mesopore, and this slide block one end can wear for the end of gangbar,

One capping after button, outer holder, interior holder and control plate all are assembled in the shell location, is provided with the end in addition of flange with a capping involution at shell, is provided with a perforation of passing for gangbar in these capping central authorities, and is assembled with a seal ring in this capping side.

And, can be provided with the assembling screw thread in the shell outside of button assembly, this button assembly matches with internal thread in the body control room with the assembling screw thread in the shell outside and assembles.

The present invention compared with the prior art advantage and good effect is very obvious.By above technical scheme as can be known, the present invention does brand-new design with water pistol, it can allow the user refer to holding body with palm and four when operation, whether simultaneously push button control with thumb supplies water, its mode of operation has broken through the design of existing water pistol fully, it need not to grip strength by four finger mats and operates, so equal holding body easily of user's hand size no matter, then irrelevant when operating with hand size with the thumb press button, no matter be that adult or child all can operate easily, its true tool progressive and practicality, the present invention is provided with location structure in PBU pushbutton unit again, it can keep piston in opening after button press, so that the water supply of continuation to be provided, and to change the water supply state or cut off and supply water when pushing once more.

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

Description of drawings

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 closing 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 is the location structure planar development schematic diagram in the first preferred embodiment button assembly of the present invention.

Fig. 6 is the location structure planar development schematic diagram 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 closing 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 location structure planar development schematic diagram in the 3rd preferred embodiment button assembly of the present invention.

Figure 11 is the 4th a preferred embodiment assembly decomposing schematic representation of the present invention.

Figure 12 is the combination cross-sectional schematic that the 4th preferred embodiment piston of the present invention is positioned at closing position.

Figure 13 is the enlarged diagram of the 4th preferred embodiment control plate of the present invention.

Figure 14 is the control annular groove plane enlarged diagram of the 4th preferred embodiment control plate of the present invention.

The specific embodiment

See also shown in Figure 1, it is a preferred embodiment schematic appearance of the present invention, it is that body 10 1 ends in a water pistol are provided with a handle 12, handle 12 ends are provided with water inlet 120 (referring to Fig. 3), the other end of body 10 is a delivery port 19, can assemble a shower nozzle 190 at these delivery port 19 places, between handle 12 and delivery port 19, then be formed with a control room 14, one 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 by the water spray operation of button 24 control water pistols.

Shown in Figure 2 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 component 16 and a gangbar 18 in the control room, and this piston component 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 a shell 22, a button 24, a knob 26 and a spring 28;

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;

Button 24 1 ends be blind end and in addition end be openend, be to pack into towards the end that shell 22 does not have flange 222 when being assembled in the shell 22 with blind end, openend 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 locating piece 242 that uniformly-spaced outwards protrudes in the nearly open end of button 24 outer peripheral edges simultaneously, when button 24 was assembled in the shell 22, this locating piece 242 just can be placed in the deep trench of shell 22 positioning grooves 224;

One end of knob 26 be blind end and in addition end be openend, be formed with equally distributed shifting block 260 in the nearly open end side of outer peripheral edges, in the time of when knob 26 is packed button 24 openends into its blind end in, this shifting block 260 can abut in helical teeth 240 surfaces of button 24 openend 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 openend 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 closing position, wherein can see the configuration status of the present invention's each member in this embodiment, handle 12 ends at body 10 are formed with water inlet 120, the end in addition of body 10 then is a delivery port 19, between water inlet 120 and delivery port 19, be control room 14, be formed with the water flow passage 140 of conducting water inlet 120 and delivery port 19 in this control room 14, an end of 14 cooperates enclosing cover 144 to be assembled with piston component 16 in the control room, control room 14 other ends then are assembled with button assembly 20, one gangbar 18 and are engaged between piston component 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 gangbar 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 gangbar 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 delivery port 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 pistol 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 gangbar 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, by gangbar 18 pushing block in the piston component 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 delivery port 19 by water flow passage 140, reach the effect of opening water pistol 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 gangbar 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 closely blockading, 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 by 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 to see it, it is the location structure planar development schematic diagram 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 trench 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 openend 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 locating pieces 242 are arranged) of the locating piece 242 of button 24 outer peripheral edges 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 peripheral edges 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 knob 26, button 24 repeatedly being put mutually with shell 22 according to the relative position shown in Fig. 5, the locating piece 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 by 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 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 pistol 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 that water pistol 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 by shifting block 260 the control scope of shell 22 shallow trench 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 is location structure planar development schematic diagram 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 trench 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 openend 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 locating pieces 242 ' are arranged) of the locating piece 242 ' of button 24 ' outer peripheral edges 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 peripheral edges 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 knob 26 ', button 24 ' repeatedly being put mutually with shell 22 ' according to the relative position shown in Fig. 6, the locating piece 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 by 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 pistol of the present invention supply water;

When the user pushes button 24 ' once more and makes knob 26 ' produce rotation, 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 yield;

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 ' by 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 weep and the three kinds of switch modes that stop to supply water, and only need push the effect that button 24 ' can reach 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 component 16, and in body 10 control rooms 14, be equipped with one the action piston component 16 gangbar 18, 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 blind end and in addition end be openend, be provided with a circle retaining edge 340 in the openend 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 blind 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 Figure 10) 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 openend 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 gangbar 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 gangbar 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 closing position, wherein this piston component 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 other ends, and a gangbar 18 is engaged between piston component 16 and the button assembly 30;

When the user pushes button 34, can be by the piston 160 in the gangbar 18 passing piston components 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 pistol 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 with thumb press button 34, so in button assembly 30, also be provided with location structure, cooperate the location structure planar development schematic diagram of Figure 10 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, action knob 36 rotates, 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 4th a preferred embodiment assembly decomposing schematic representation of the present invention, overall architecture shown in it and aforementioned each preferred embodiment are identical, it has identical body 10 and piston component 16, and in body 10 control rooms 14, be equipped with one the action piston component 16 gangbar 18, precisely because be assembled with a different button assembly 40 in the control room 14;

This button assembly 40 comprises a shell 42, a button 44, one outer holder 45, one an interior holder 46 and a control plate 48;

This shell 42 is a tubular body, be provided with assembling screw thread 420 in its outside, and assembling screw thread 420 sides at one end are formed with the flange 422 of one, are arranged with a seal ring 428 in these flange 422 sides, can see to be formed with a circle bulge loop 424 in these shell 42 inboards in Figure 12;

Button 44 is a column, it is assembled with a gag 440 for the place, outer end that the user pushes, the inner is provided with an ejection end 442, and is provided with a containing hole 444 in the side near this ejection end 442, and is assembled with a little spring 446 and a pilot pin 448 in this containing hole 444;

Outer holder 45 is a ring-type block, and its central authorities are provided with a through hole 450 that can penetrate for button 44 the inners, is assembled with a control plate 48 at this through hole 450 corresponding to a side of button 44 containing holes 444 opening directions;

Interior holder 46 also is a ring-type block, and its central authorities are formed with a mesopore 460, is assembled with a slide block 462 and spring 464 in this mesopore 460, and these slide block 462 1 ends can wear for the end of gangbar 18;

After members such as button 44, outer holder 45, interior holder 46 and control plate 48 all are assembled in the shell 42 location, can be provided with holding in addition of flange 422 at shell 42 by a capping 426 involutions, allow button assembly 40 be contained in fully between shell 42 and the capping 426, be provided with a perforation 4260 that supplies gangbar 18 to pass in these capping 426 central authorities, and be assembled with a seal ring 4262 in these capping 426 sides.

Figure 12 is the combination cross-sectional schematic that the 4th preferred embodiment piston of the present invention is positioned at closing position, wherein this piston component 16 cooperates enclosing cover 144 to be assembled in body 10 control rooms 14 1 ends, and button assembly 40 is assembled in control room 14 other ends, and a gangbar 18 is engaged between piston component 16 and the button assembly 40;

When the user pushes button 44, can be by the piston 160 in the gangbar 18 passing piston components 16, and piston 160 is passed to the enable possition, to make water pistol of the present invention supply water, when button 44 is released and is returned back to position shown in Figure 12 by spring, piston 160 also can be pushed back the closed position shown in Figure 12 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 with thumb press button 44, so in button assembly 40, also be provided with location structure, this location structure is made of with control plate 48 pilot pin 448 that is arranged in the button 44, the three-dimensional enlarged diagram of the control plate 48 of cooperation Figure 13 and the control plate 48 plane enlarged diagrams of Figure 14 are seen it, it is to be provided with a control annular groove 480 in control plate 48, these control annular groove 480 inboards are a central block 4800, mat control annular groove 480 cooperates with the profile of central block 4800, be positioned at most advanced and sophisticated first stop 481 and second dwell point 482 that is positioned at concave position and in control annular groove 480, be formed with, simultaneously be formed with first turning point 483 and second turning point 484 respectively in second dwell point, 482 both sides, when pilot pin 448 makes the one end be placed in the control annular groove 480 by being placed in little spring 446 ejections in the containing hole 444, because the aperture of containing hole 444 is than the slightly larger in diameter of pilot pin 448, in containing hole 444, do swing to a certain degree so can allow pilot pin 448, be beneficial to pilot pin 448 when the control annular groove 480 that is subjected to control plate 48 is passed with central block 4800, can be shifted along control annular groove 480;

When button 44 is pushed, can drive pilot pin 448 is moved the position to the left by the right positions shown in Figure 14, that is be positioned at first stop 481 when beginning to move prelocalization pin 448 ends, be pressed and work as button 44, promptly can make pilot pin 448 ends be subjected to the guiding at central block 4800 and control annular groove 480 edges and move to first turning point 483, this moment, button 44 was released, because button 44 is subjected to the ejection of spring 464 (consulting Figure 12) and moves in the other direction, promptly can make pilot pin 448 ends be moved into second dwell point 482 by first turning point 483, can keep piston 160 to be positioned at the position of unlatching this moment, can supply water for a long time to make the present invention.

When button 44 is pressed once more, be positioned at pilot pin 448 ends of second dwell point 482, promptly can move to second turning point 484, then when button 44 is released, pilot pin 448 ends promptly can be moved to the position of first stop 481 by second turning point 484, and can allow piston 160 return back to the closed position shown in Figure 12 this moment.

Claims

1. press button type water spraying gun, be provided with water inlet in water pistol body one end, the other end of body is a delivery port, between water inlet and delivery port, then be formed with a control room, be formed with water flow passage and control water flow passage conducting whether piston component between conducting water inlet and delivery port in this control room, and one end is provided with the button assembly that can control the piston component keying in the control room;

End in the body control room is assembled with an enclosing cover, and piston component is assembled in this enclosing cover inboard, and this piston component is with a gangbar and button assembly interlock;

This piston component comprises a piston, a pushing block and a spring,

This button assembly comprises:

One spring is placed among the knob by the assembling of the openend of knob,

2. press button type water spraying gun according to claim 1 is characterized in that:

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,

When knob, button were repeatedly put mutually with shell, the locating piece 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.

3. press button type water spraying gun according to claim 1 is characterized in that:

When knob, button were repeatedly put mutually with shell, the locating piece of button was 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.

4. press button type water spraying gun, be provided with water inlet in water pistol body one end, the other end of body is a delivery port, between water inlet and delivery port, then be formed with a control room, be formed with water flow passage and control water flow passage conducting whether piston component between conducting water inlet and delivery port in this control room, and one end is provided with the button assembly that can control the piston component keying in the control room;

This piston component comprises a piston, a pushing block and a spring,

This button assembly comprises:

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

5. press button type water spraying gun, be provided with water inlet in water pistol body one end, the other end of body is a delivery port, between water inlet and delivery port, then be formed with a control room, be formed with water flow passage and control water flow passage conducting whether piston component between conducting water inlet and delivery port in this control room, and one end is provided with the button assembly that can control the piston component keying in the control room;

This piston component comprises a piston, a pushing block and a spring,

This button assembly comprises:

6. according to claim 1,4 or 5 described press button type water spraying guns, it is characterized in that: the shell outside at button assembly is provided with the assembling screw thread, and this button assembly matches with internal thread in the body control room with the assembling screw thread in the shell outside and assembles.