CN1886609A - Pinch faucet - Google Patents
Pinch faucet Download PDFInfo
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- CN1886609A CN1886609A CN 200480034617 CN200480034617A CN1886609A CN 1886609 A CN1886609 A CN 1886609A CN 200480034617 CN200480034617 CN 200480034617 CN 200480034617 A CN200480034617 A CN 200480034617A CN 1886609 A CN1886609 A CN 1886609A
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Abstract
The present invention provides a faucet for tapping a liquid, stored under pressure of a gas in a container that has less moving parts subject to wear or breakage, and has a housing made of multiple parts which can be disassembled so the faucet mechanism can be easily cleaned, repaired, or replaced. The faucet mechanism contains a piece of flexible tubing and an arrangement of a pinch valve mechanism that compresses the flexible tubing to shut off flow of liquid through the tubing. In one arrangement of the present invention, since the housing does not move and does not come in contact with the beverage being poured the housing is made of a nonmetallic material, such as a plastic or petroleum-based material, which is less expensive than the previous brass or stainless steel housing.
Description
Priority request
It is the preference of the application number that is entitled as " pinch faucet " submitted on September 29th, 2004 of 60/508,158 U.S. Provisional Patent Application and resultant name with Richard Spray and Rex McAffee U.S. Patent application undetermined that the application requires with the sequence number that is entitled as " pinch faucet " that the name of Richard Spray and Rex McAffee was submitted on October 2nd, 2003.
Technical field
The present invention relates generally to the dispensing of beverage, more clearly relate to a kind of device that under pressure, is stored in the beverage of container that is used for sending.Described device can be poured out beverage from the position away from container.Beverage flowing via tap opened or closed to described device by the clamping lever valve on the control dispensing tap.
Background technique
In many commercial undertakings for example restaurant and bar, beverage for example beer or carbonated drink is stored in the seal container under pressure, often is positioned at the position away from drink dispensing point.Described container can be kept in the cold storage room, so the beverage in the container keeps nice and cool.Make the mechanism can be like this in distribution points with cold, the fresh beverage of glass dispensing, container that needn't the stock of filled beverage such as bottle and jar.Because many-sided restriction, cold storage room are in often practical or feasible more away from the position of drink dispensing point geographically.The drinks taste improvement and facility in container, said mechanism has also reduced provides the beverage that is packaged in single container cost.
Typically, seal container for example keg be connected to the tap that is positioned at distribution points by flexible pipe.Because the beverage in the container is stored under pressure, so when tap was opened, beverage flowed out the tap of opening from container via pipe.When tap was closed, beverage stopped to flow out from tap.
Along with the time uses in the past and often, the movable member of tap will wear and tear, and tap will work with ceasing to have effect, even often cause when tap is closed beverage constantly to spill or drip from tap.Because abrasion-resistant metal, and many metals stop absorption can produce peculiar smell, may transfer to subsequently via the particulate matter in the beverage of tap outflow, so leading shell is typically cast by unitary piece of metal when damaging.Yet,, be difficult near the movable member in the one piece casting shell with replacement or repair worn or the parts that break down in case movable member finally weares and teares.
In addition since from the microparticle residue of the beverage of handling in pipe and leading parts, tap is possible dirty.Like this may be because the obstruction EVAC (Evacuation Network Computer Model) is mobile.In addition, because contain high sugar via the above-mentioned leading most of beverage that flows out, and often comprise yeast simultaneously, the particulate matter that stays may ferment or be rotten, and influence is subsequently via the taste of managing the beverage that transmits with tap.
Because its overall structure often is difficult to thoroughly clean this system.In addition, pipe narrow typically to keep volume flow regulated, may cause being difficult to in any cleaning device insertion tube.It is complicated using flexible pipe in the system.Usually can regularly replace quite cheap flexible pipe and avoid the problems referred to above, if the structure of particular system allows such replacement.The tap that generally has the internal diameter bigger than pipe has the movable member of attaching, and different curves or angle are typically arranged in the enclosure, makes to be difficult to thoroughly clean whole tap.In addition, because tap typically made by the cast metal, its price is so expensive so that at component wear or break down or when tap can not thoroughly clean, very difficultly removes and replaces them with rational cost.
Therefore, need a kind of easy to clean, less frayed or the movable member that breaks down and the faucet mechanism of lower cost are arranged, if so that in application-specific, can not clean or repair, can be easily and replace this mechanism or its parts economically.
Summary of the invention
The invention provides and a kind ofly typically have the less frayed or movable member that breaks down than the simple tap of above-mentioned tap, and the shell of forming by a plurality of dismountable parts, so be easy to dismantle described mechanism.
In a preferred version of the present invention, shell with nonmetallic material for example plastics or petroleum base material make, more cheap than above-mentioned brass or stainless steel casing, and easier word, picture or the out of Memory of stamping.Because shell does not move, thus less frayed, can make by enough more cheap materials, and the aggrandizement apparatus frequency of replacing not.Yet, shell also can enough metals or other nonmetallic material make.Because shell is made up of multistage, so when the parts of inside that must cleaning device or replacement or repair worn or damage, shell can be disassembled.Another is chosen as, and the movable member of whole tap or tap can be replaced with new parts easily as a unit, and worn part can be in dismounting of outlying zone and repairing, then afterwards as spare part same or that another is leading.
In schemes more of the present invention, some parts can enough metals for example stainless steel or brass or other high-abrasive material are made.Though stainless steel is more expensive than brass, the parts that often are worn will not need to replace continually when for example the neck adapter is made with stainless steel or other high-abrasive material.When with stainless steel or the easily frayed parts of other high-abrasive material manufacturing, to make when combining by more cheap material with non-wearout parts, the overall cost of tap typically can not increase even may reduce.Tap constructed in accordance has the life-span longer than tap well known in the prior art.
The beyond thought fringe benefit of the present invention is the amount that has reduced the foam of seeing in the beer by the dispensing of the present invention's tap.In the known tap of prior art, when beer flow through pipe and arrives tap, the flow channel in the tap typically had the diameter bigger than pipe, so that send beer fast, and in leading inside the space of closing with control mechanism is arranged.When beer flow through pipe and arrives tap regional, there was the actual volume of unexpected increase at this place, and the pressure from carbon dioxide on the beer reduces, and carbon dioxide will be overflowed from beer liquid, and make the beverage of being sent produce foam.Be unwelcome by a large amount of foams in the beverage, and causing by the loss of beverage.In the tap of the present invention, the flow channel in the tap has with the roughly the same size of pipe of leading to tap, thereby when beer flows through tap, can not increase volume or decrease pressure, and as a result of, the beverage of being sent does not have too much foam.
The present invention is used for flowing out the tap that is stored in the liquid of container under the pressure of gas, comprising: by two sections that can be fixed together or the shell formed of multistage more; Be arranged on the interior external opening of described shell and have internal diameter and the segment pipe of external diameter, described pipe one end is fixed to the neck adapter that runs through the shell inner opening, and second end extends into second opening in the described shell; Arm beyond the described shell, it is connected in the enclosure hold down gag by the fixed component that runs through described shell.When handle was in the close position, described arm kept enough pressure on described hold down gag, push the external diameter of described pipe, so that prevent the internal diameter of flow of liquid through described pipe; When handle was in the enable possition, described arm alleviated the pressure on the described hold down gag, removed the extruding on the external diameter of described pipe, so that allow to flow out through the internal diameter of described pipe from described neck adapter from the liquid of described container second end of described pipe.
Description of drawings
In order more completely to understand the present invention and advantage thereof, in conjunction with the accompanying drawings with reference to following explanation, wherein:
Figure 1A is the section side elevation that the known tap of typical prior art is in the enable possition;
Figure 1B is the section side elevation that the known tap of typical prior art is in the close position;
Fig. 2 A is the section side elevation that is in the enable possition according to first embodiment demonstration of tap of the present invention;
Fig. 2 B shows the section side elevation that is in the close position according to first embodiment of tap of the present invention; And
Fig. 3 A is the internal view of a part that is used for the leading shell of second embodiment of the invention;
Fig. 3 B is the perspective view that is used for the pinch roller valve mechanism of second embodiment of the invention;
Fig. 3 C is the section side elevation that is in the enable possition according to second embodiment demonstration of tap of the present invention; And
Fig. 3 D shows the section side elevation that is in the close position according to second embodiment of tap of the present invention.
Describe in detail
With reference to the Figure 1A and the 1B of accompanying drawing, shown the leading equipment 10 that typical prior art is known.Tap equipment 10 is connected to installation on the wall or at the post 50 on metering mechanism top.Post 50 typically comprises neck 52.The end of the neck 52 that stretches out from post 50 has the consent 54 that is connected thereto.The inner periphery of consent 54 is threaded.Neck 52 typically comprises flow channel 56.Flow channel 56 is connected to an end of one section flexible pipe 60.The other end of flexible pipe 60 is connected to and can be in the same general position of post 50 or away from the beverage container (not shown) of post 50 positions.
The known leading equipment 10 of prior art has the screwed neck adapter 20 in the outside at one end.Neck adapter 20 screw threads are screwed into the consent 54 that is positioned at neck 52 ends.Neck adapter 20 inside typically comprise special-purpose seal washer 21, are connected to convenient neck adapter 20 to reach leakproof seal when consent 54 and beverage flow through system under pressure.The known leading equipment of prior art typically has the arm mechanism 30 that is seated at valve 12 1 ends that are positioned at shell 11 inside, and described valve 12 has movable valve rod 13, described valve rod 13 be connected to arm mechanism 30 on the opposite end of an end on pressure head 14 is arranged.Typically, packing ring 16 is connected to the described pressure head 14 at valve rod 13 1 ends.Described pressure head 14 is located in the opening 18 at described leading equipment 10 rear portions.Described opening 18 in described leading equipment 10 rear ends is opened from the described flow channel 56 in described neck, and is taper in the part of the most close described flow channel 56.
When leading equipment 10 is in opening state, shown in Figure 1A, spur handle 70 forward away from post 50.Arm mechanism 30 in shell 11 inside is connected to an end of handle 70.When spurring handle 70 forward, promote valve and the valve rod 13 that links to each other along opposite direction.When post 50 moves valve rod 13, the tapering part that is called as valve seat 19 from opening 18 is removed pressure head 14 and the packing ring 16 at valve rod 13 1 ends, break the sealing that forms between packing ring 16 and valve seat 19, permission beverage flow via flow passage 56 enters opening 18 and flows out through the mouth of pipe 24.
When leading equipment 10 is in closed condition, shown in Figure 1B, backward towards the direction driving handle 70 of post 50.Arm mechanism 30 moves forward away from post 50.Pulling pressure head 14 and packing ring 16 move forward into valve seat 19 like this.Be created in the sealing between packing ring 16 and the valve seat 19 like this, prevent that beverage from flowing out from the mouth of pipe in leading equipment 10 20.By means of pressure head 14 and pressure from the pressurised beverage container (not shown) that is connected leading equipment 10, packing ring 16 remains on sealing station with respect to valve seat 19.In other of this prior art that does not illustrate is provided with, leading equipment such as above-mentioned running, but valve seat 19 at the rear of opening 18, and pressure head 14 is pushed into valve seat 19 and produces sealing with packing ring 16.When pulling out pressure head 14 forward when entering opening 18 from valve seat 19, beverage will flow out through the mouth of pipe 20.In other scheme of this prior art that illustrates not yet, when tap 10 was closed, valve 12 was vertical orientated in leading equipment 10, and pressure head 14 is in the valve seat 19 of opening 18 bottoms.When spurring arm mechanism 30 forward, upwards mention valve 12, pressure head 14 and attached seal 16 risings run off the scope of valve seat 19 like this, so that beverage can be flowed out by the mouth of pipe 20.
The known tap of prior art has many movable members, has increased the possibility that breaks down.In addition, movable member is easily frayed, especially packing ring 16, pressure head 14 and valve seat 19.When wearing and tearing take place in parts, even when tap 10 is in the close position, beverage generation seepage.For packing ring 16 or the pressure head 14 of replacing wearing and tearing, have to take apart and remove valve 12 from leading equipment 10.When valve seat 19 wearing and tearing, the surface has to grind again, and this also needs valve 12 is removed from tap 10, can insert tap 10 so that grind the equipment on valve seat 19 surfaces.These are high to undersized relatively leading equipment 10 and its integrally-built repair cost, and often are difficult to implement.
The present invention has alternatively and can dismantle so that easily near inner body, the shell that is made of a plurality of parts that are fixed together by fixed component.In addition, movable member frayed or that break down is less in tap of the present invention.Leading equipment of the present invention uses valve seat mechanism to control beverage flowing via tap with hold-down mechanism rather than as prior art.
With reference to Fig. 2 A and the 2B of accompanying drawing, shown an embodiment of leading equipment 100 of the present invention.Tap equipment 100 is connected to installation on the wall or the post 50 on metering mechanism top.Post 50 typically comprises neck 52.The end that neck 52 stretches out from post 50 has the consent 54 that is connected thereto.The inner periphery of consent 54 is threaded.Neck 52 typically comprises flow channel 56.Flow channel 56 is connected to an end of flexible pipe 60.The other end of flexible pipe 60 is connected to and can be in the same general position of post 50 or away from the beverage container (not shown) of post 50 positions.
The leading equipment 100 of a scheme of the present invention has the screwed neck adapter 120 in the end outside that stretches out tap.Neck adapter 120 screw threads are screwed into the consent 54 of neck 52 ends.Neck adapter 120 inside typically comprise special-purpose seal washer 121, are connected to convenient neck adapter 120 to reach leakproof seal when consent 54 and beverage flow through system under pressure.Tap equipment 100 comprises two sections of can be fixed together by screw, screw bolt and nut or other suitable fixed component or the shell 102 that constitutes of multistage more.Tap equipment 100 comprises a bit of flexible pipe 104 that first end is fixed on neck adapter 120 second ends (with respect to the screwed end in neck adapter 120 outsides), and second end of neck adapter 120 stretches in the path 10 8 in shell 102.In schemes more of the present invention, connector 106 is fixed to first end of short length of flexible at second end of neck adapter 120.During short length of flexible 104 is arranged at path 10 8 in shell 102 along its length direction.Second end of short length of flexible 104 (with respect to that end that inserts neck adapter 120) guiding is positioned at the opening 108a of path 10 8 second ends, works to flow out the mouth of pipe.
When spurring handle mechanism 170 away from post 50 forward, shown in Fig. 2 A, arm 130 is pulled away from post 50 simultaneously.Because arm 130 is connected in the non-tapered end of tapered pressure mechanism 116, so tapered pressure mechanism 116 is towards the front end slip of the groove 118 in shell 102.Alleviated like this on the roller 112 from the pressure of tapered pressure mechanism 116, made the roller 112 of hold down gag can slip into the top that groove 114 and groove 118 intersect.When roller 112 was in the top of groove 114, it was not in groove 114 and the part that the path 10 8 that comprises short length of flexible intersects, and discharged thus by roller 112 to appear at part that groove 114 and path 10 8 intersect and to flexible pipe 104 applied pressures.There is not above-mentioned pressure, flexible pipe 104 can be extended to fills groove 108, thereby makes beverage flow out the end that flexible pipe 104 stretches into the opening 108a in leading shell 102 by the short length of flexible 104 that is included in the leading equipment 100 from the opening of flow channel 56 in neck adapter 120.
When leading equipment 100 is in closed condition shown in Fig. 2 B, backward towards the direction driving handle mechanism 170 of post 50.Promote to be connected to the arm 130 of handle mechanism 170 so simultaneously to the direction of post 50.Because arm 130 is fixed on an end of the tapered pressure mechanism 116 of hold down gag, thus when arm 130 when post 50 moves, tapered pressure mechanism 116 also is pushed to horizontal alignment groove 118 end near posts 50.Make the tapered end 116a pushing roller 112 of tapered pressure mechanism 116 like this.When tapered pressure mechanism 116 in groove 118 when post 50 further slides, tapered end 116a moves past the part that groove 118 and groove 114 intersect.When this happens, by the diameter that tapered pressure mechanism 116 increases, increased pressure is applied in roller 112, make roller 112 in groove 114 to lower slider.Roller 112 enters the part that groove 114 and the path 10 8 that comprises flexible pipe 104 intersect.
Pressure from tapered pressure mechanism 116 on the roller 112 makes roller be pressed on the top of short length of flexible 104 for 112 times, makes the periphery of flexible pipe 104 be pressed in the bottom side of groove 108, thereby prevents that beverage flow from crossing short length of flexible 104.By being present in the tapered pressure mechanism 116 in the part that groove 118 and groove 114 tops intersects, the roller 112 of hold down gag remains on groove 114 bottoms, prevents that roller 112 from getting back to the top of groove 114.Because arm 130 applied pressures by being connected with tapered pressure mechanism 116, tapered pressure mechanism 116 keeps in position.
With reference to Fig. 3 A, 3B, 3C and the 3D of accompanying drawing, shown a preferred embodiment of the present invention's tap equipment 200.
Shown in Fig. 3 C and 3D, leading equipment 200 is connected to installation on the wall or the post 50 on metering mechanism top.Post 50 typically comprises neck 52.The end that neck 52 stretches out from post 50 has the consent 54 that is connected thereto.The inner periphery of consent 54 is threaded.Neck 52 typically comprises flow channel 56.Flow channel 56 leads to an end of flexible pipe 60.The other end of flexible pipe 60 is connected to and can be in the same general position of post 50 or away from the beverage container (not shown) of post 50 positions.
The short length of flexible 104 that stretches into the end in the opening 203 in shell 202 that is fixed to neck adapter 120 at first end is included in the leading equipment 200.In schemes more of the present invention, connector 206 is fixed to first end of short length of flexible 104 at second end of neck adapter 120.Short length of flexible 104 is passed in circular open 213a, the 213b in the framework 211 of pinch roller valve mechanism 212.The remaining part of short length of flexible 104 is arranged in the passage 208 in the shell 202, and second end guiding of short length of flexible 104 is in shell 202 and inserts the outside opening 208a of an end of opening 203 wherein with respect to neck adapter 120, plays the outflow mouth of pipe.
The length of the operative pin 216 on pinch roller valve mechanism 212 is enough to run through "T"-shaped opening 219, and exceeds shell 202 in each side.Arm mechanism 230 beyond shell 202 also has opening in each side.Arm mechanism 230 around and be fixed to shell 202 so that the opening on operative pin 216 and the arm mechanism 230 matches.Handle mechanism 270 is connected to the arm 230 of control hold down gag.
When drawing faucet mechanism 270 away from post 50 forward, shown in Fig. 3 C, arm 230 is pulled away from post 50 simultaneously.Because arm 230 encircling operation pins 216 are provided with, so operative pin 216 is pulled to the bottom of the level foot of " T " opening 219 in the shell 202.Because operative pin 216 is connected to pinch roller valve mechanism 212, thus pinch roller valve mechanism 212 in path 218 to front slide, simultaneously away from post 50.Allow pressure roller 217a, 217b to move to the top outer fix of oblique opening 214a, 214b and the outer end of " V " shape like this, away from separator 215, align with the vertical outer end to foot of " T " opening 219 in the shell 202 substantially in described outer end.Like this pressure roller 217a, 217b are arranged on beyond the external diameter of flexible pipe 104, thereby make beverage flow out the end that flexible pipe 104 stretches into the opening 108a in leading shell 102 by the short length of flexible 104 that is included in the leading equipment 100 through the opening in the neck adapter 120 from flow channel 56.
When leading equipment 200 is in closed condition, shown in Fig. 3 D, backward towards the direction driving handle mechanism 270 of post 50.To the direction pusher arm 230 of post 50, close hold down gag so simultaneously.Because arm 230 encircling operation pins 216 are installed, so slide in the inner of operative pin 216 level foot of " T " opening 219 in shell 202.Because operative pin 216 is connected to pinch roller valve mechanism 212,, slide to post 50 simultaneously so pinch roller valve mechanism 212 is slided to passage 218 rear portions.Like this pressure roller 217a, 217b are pulled to the bottom, separator 215 of oblique opening 214a, 214b and the base portion of " V ", and therefore pull to the vertical sufficient inside of " T " openings 219 in the shell 202.Be squeezed in the flexible pipe 104 between roller 217a, the 217b like this, thus prevent beverage from flow channel 56 flow through on the neck adapter 120 opening 210 or flow out via the end that flexible pipe 104 stretches into the opening 208a in leading shell.By means of by arm mechanism 230 operative pin 216 being remained on the caused pressure in appropriate location, roller 217a, 217b keep being pressed on together around flexible pipe 104, prevent that pinch roller valve mechanism 212 from moving into the front portion of path 218 backward.
For reducing the cost of leading equipment 100,200, have been found that shell 202 can enough plastics or petroleum-based products make.Because shell 202 is not a movable member, do not subject to wearing and tearing, therefore make shell 202 with nonmetallic material, can not increase the frequency of replacing leading equipment.In addition, because shell 202 does not contact with the beverage that flows out, material composition can not bring any " going bad " taste to beverage.In addition,, may be more convenient for making shell 202 to be shaped to comprise internal recess if shell 202 is made by nonmetallic material, may be easier because make above-mentioned groove or die casting or casting mold nonmetallic material with nonmetallic material.Similarly, in another embodiment of the invention, some part of faucet assembly 100,200 for example neck adapter 120, connector 106, pressure roller 217a, 217b, operative pin 216 and/or arm 130,230 can be made by stainless steel, rather than brass or other material high unlike stainless wear resistance.For example brass is more expensive though stainless steel is typically than other material, and the life-span that above-mentioned part is long can prove that the cost of increase is worth.
The beyond thought fringe benefit of the present invention is the amount that has reduced the foam of being seen in the beer by leading 100,200 dispensings of the present invention.In the known tap 10 of prior art, when beer flow through pipe 60 and arrives tap, the opening 18 in the tap 10 typically had the diameter bigger than pipe 60, so that send beer fast, and the space of valve operation mechanism is arranged in leading inside.When beer flow through the zone 18 of pipe 60 arrival taps 10, there was the actual volume of unexpected increase at this place, and the pressure from carbon dioxide on the beer reduces, and carbon dioxide will be overflowed from beer liquid, made the beverage of being sent produce foam.A large amount of foams is unwelcome in beverage, and causes by the loss of beverage.In of the present invention leading 100,200, the flexible pipe 104 of tap in 100,200 has the size roughly the same with the pipe 60 that leads to tap 100,200.Thereby when beer flows through tap 100,200 the time, can not increase volume or decrease pressure, as a result of, the beverage of being sent does not have too much foam.
Certainly the present invention can adopt various ways and embodiment.Therefore, the individual variation that may relate to foregoing does not break away from spirit of the present invention or scope.For example: blade rather than roller are used to squeezing tube.
Above reference section preferred embodiment has been described the present invention, should be noted that disclosed embodiment is that explanation is illustrative, rather than actual restriction, large-scale change, modification, variation and replacement to above-mentioned disclosure are foreseeable, in some cases, parts more of the present invention can use under the respective application of other parts not having.Those skilled in the art can think that based on the observation to the foregoing description of preferred embodiment many such changes and modification are apparent and desired.Therefore, widely and to explain additional what is claimed is reasonably with the corresponding to mode of scope of the present invention.
Claims (14)
1, a kind ofly be used for flowing out the tap that is stored in the liquid of container under gas pressure, described tap comprises:
A) by two sections that can be fixed together or the shell that constitutes of multistage more;
B) be arranged on that described shell is inside and outside to be connect opening and have internal diameter and the segment pipe of external diameter, described pipe one end is fixed to the neck adapter that runs through the shell inner opening, and second end extends into second opening in the described shell;
C) beyond shell, has the arm that connects the handle on it;
D) described arm is connected to hold down gag in the described shell by the fixed component that runs through described shell, like this when described handle is in the close position, described arm keeps enough pressure on described hold down gag, push the external diameter of described pipe, flow through the internal diameter of described pipe so that prevent liquid; And
E) when described handle is in the enable possition, described arm alleviates the pressure that acts on the described hold down gag, remove the extruding on the described tube outer diameter, so that allow to flow out through the internal diameter of described pipe from described neck adapter second end of described pipe from the liquid of container.
2, device according to claim 1, wherein said pipe is fixed to described neck adapter by connector.
3, device according to claim 1, at least one section of wherein said shell are made by nonmetallic material.
4, device according to claim 1, wherein said neck adapter is made by stainless steel.
5, device according to claim 1, wherein said hold down gag comprises tapered pressure mechanism and the roller that is fixed to described arm, when arm is in the closed position, described tapered pressure mechanism and roller keep in touch and keep-up pressure on roller, so that described roller is pressed in the inboard of described shell with described flexible pipe, thereby prevent that liquid from flowing through the internal diameter of described pipe; And when described handle was in the enable possition, described tapered pressure mechanism alleviated the pressure on the described roller, so that described roller is not pressed in described flexible pipe the inboard of described shell, thereby allowed flow of liquid to cross the internal diameter of described pipe.
6, device according to claim 1, wherein hold down gag comprises the framework that is arranged on around described pipe at least a portion, described framework has at least one and connects the operative pin that is applied in the opening in the described shell on it, and at least two pressure rollers that are applied in the shaping opening on the described framework opposite side, so that when described arm is in the closed position, described operative pin moves with the framework that is connected, so that the external diameter of the described flexible pipe that described roller extruding is therebetween flows through the internal diameter of described pipe so that prevent liquid; When described handle was in the enable possition, described operative pin moved with the framework that is connected, and consequently described roller is removed the pressure of the therebetween described flexible pipe of extruding, so that allow flow of liquid to cross the internal diameter of described pipe.
7, a kind ofly be used for flowing out the tap that is stored in the liquid of container under gas pressure, described tap comprises:
A) by two sections that can be fixed together or the shell that constitutes of multistage more;
B) the one section hollow tube that be arranged in the passage in described shell, an end is fixed to the neck adapter;
C) be arranged at roller in the vertical substantially groove in described shell, described groove intersects with the part of vertical substantially mode with the described passage that comprises described pipe;
D) be arranged at tapered pressure mechanism in the groove of the level substantially in described shell, described groove intersects with the end of vertical substantially mode with the groove that holds described roller, and this end and an end that intersects with described passage are opposed;
E) beyond described shell, be connected to the handle on the arm beyond the described shell substantially;
F) described arm passes described shell by fixed component and is connected to described tapered pressure mechanism, so that when described handle is in the closed position, described arm slides tapered pressure mechanism in the groove of level substantially, so that described tapered pressure mechanism is passed described horizontal groove and the crossing part of the described perpendicular grooves of holding described roller, a part that described roller is shifted out described perpendicular grooves enters described perpendicular grooves and the crossing part of described passage, so that described roller pushes the opposed walls of described passage, prevent that liquid from flowing via described pipe; And
G) when described handle is in the enable possition, described tapered pressure mechanism is slided in the groove of described level substantially along opposite direction, so that described tapered pressure mechanism is not positioned at described groove and the crossing part of described perpendicular grooves, thereby remove from described roller and enter perpendicular grooves and the crossing pressure that part produced of horizontal groove, so that described roller is not pressed in described pipe the opposite side of described passage, permission is flow through described pipe from the liquid of container in described tap, and flow out described pipe be connected to that opposite end of described neck adapter one end.
8, device according to claim 7, at least one section of wherein said shell are made by nonmetallic material.
9, device according to claim 7, wherein said pipe is fixed to described neck adapter by connector.
10, device according to claim 7, wherein said neck adapter is made by stainless steel.
11, a kind ofly be used for flowing out the tap that is stored in the liquid of container under gas pressure, described tap comprises:
A) by two sections that can be fixed together or the shell that constitutes of multistage more;
B) comprise the pinch roller valve mechanism of framework, this framework has at least one operative pin that is connected thereto and at least two rollers therein;
C) be arranged at one section interior flexible pipe of described shell, this flexible pipe one end is fixed to the neck adapter, and runs through the opening in the described pinch roller valve mechanism, passes the opening that the interior passage of described shell arrives described shell then;
D) be arranged at least one operative pin arm on every side, like this when the handle that is fixed in described arm is in the closed position, the described framework that is connected with described operative pin is moved, so that described roller is pressed in the opposite side of described pipe, described pipe between the extruding roller flows through described pipe to prevent liquid; And
E) when handle is in the enable possition, connect described arm on it framework on moving at least one operative pin and being connected it, so that described roller does not push described flexible pipe, allow flow of liquid to cross described pipe.
12, device according to claim 11, at least one section of wherein said shell are made by nonmetallic material.
13, device according to claim 11, wherein said pipe is fixed to described neck adapter by connector.
14, device according to claim 11, wherein said neck adapter is made by stainless steel.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US50815803P | 2003-10-02 | 2003-10-02 | |
| US60/508,158 | 2003-10-02 | ||
| US10/953,704 | 2004-09-29 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100814254A Division CN101273847B (en) | 2003-10-02 | 2004-10-01 | Pinch faucet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1886609A true CN1886609A (en) | 2006-12-27 |
| CN100443786C CN100443786C (en) | 2008-12-17 |
Family
ID=37584070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200480034617XA Expired - Fee Related CN100443786C (en) | 2003-10-02 | 2004-10-01 | Pinch faucet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100443786C (en) |
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| US4037817A (en) * | 1975-10-28 | 1977-07-26 | Tomlinson Industries, Inc. | Pinch tube valve |
| US4682755A (en) * | 1985-08-23 | 1987-07-28 | Larad Equipment Corporation | Mechanical control system in flow devices |
| DE4019889C2 (en) * | 1990-06-22 | 1996-09-26 | Joachim Mogler | Pinch cock |
| AU5527596A (en) * | 1995-03-27 | 1996-10-16 | Zevex, Inc. | Pinch clip occluder for infusion sets |
| CN2289918Y (en) * | 1996-10-30 | 1998-09-02 | 吴振涛 | Cut-off pressure liquid valve |
| CN2315376Y (en) * | 1997-05-15 | 1999-04-21 | 徐杰 | Rubber tube type valve |
| US5979713A (en) * | 1997-09-09 | 1999-11-09 | Sturman Bg, Llc | Tap assembly adapted for a fluid dispenser |
-
2004
- 2004-10-01 CN CNB200480034617XA patent/CN100443786C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN100443786C (en) | 2008-12-17 |
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