CN1007539B - Single-acting gas-operated pump - Google Patents

Single-acting gas-operated pump

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Publication number
CN1007539B
CN1007539B CN87105372A CN85106694A CN1007539B CN 1007539 B CN1007539 B CN 1007539B CN 87105372 A CN87105372 A CN 87105372A CN 85106694 A CN85106694 A CN 85106694A CN 1007539 B CN1007539 B CN 1007539B
Authority
CN
China
Prior art keywords
mentioned
pump
control valve
support arm
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CN87105372A
Other languages
Chinese (zh)
Other versions
CN85106694A (en
Inventor
威廉·S·克里德里
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Coca Cola Co
Original Assignee
Coca Cola Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Coca Cola Co filed Critical Coca Cola Co
Publication of CN85106694A publication Critical patent/CN85106694A/en
Publication of CN1007539B publication Critical patent/CN1007539B/en
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J27/00—Ion beam tubes
    • H01J27/02—Ion sources; Ion guns
    • H01J27/022—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K21/00—Steam engine plants not otherwise provided for
    • F01K21/04—Steam engine plants not otherwise provided for using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas
    • F01K21/047—Steam engine plants not otherwise provided for using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas having at least one combustion gas turbine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/06—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for extinguishing sparks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/20—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
    • F02C3/30—Adding water, steam or other fluids for influencing combustion, e.g. to obtain cleaner exhaust gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03H—PRODUCING A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03H1/00—Using plasma to produce a reactive propulsive thrust
    • F03H1/0006—Details applicable to different types of plasma thrusters
    • F03H1/0012—Means for supplying the propellant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03H—PRODUCING A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03H1/00—Using plasma to produce a reactive propulsive thrust
    • F03H1/0037—Electrostatic ion thrusters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/14—Combined heat and power generation [CHP]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/30—Exhaust treatment

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Reciprocating Pumps (AREA)

Abstract

A single-acting, gas-operated, pump method and apparatus including a pump body having a main chamber divided by a reciprocating piston assembly into a gas driving chamber and a liquid pumping chamber, a spring for biasing the piston assembly into one of its two end positions, a reciprocating control valve controlling the flow of driving gas to and from the gas driving chamber, a snap-acting spring mechanically coupling the control valve to the reciprocating movement of the piston assembly, and a counteracting spring for biasing the control valve toward one of its two positions.

Description

Single-acting gas-operated pump
Content of the present invention and to single-acting gas-operated reciprocating pump, this pump are used for a fruit juice (syrup) and are pressed into the beverage ingredient system of interim mixing.That this pump also has is cheap, do not inhale sky does not just have aqueous vapor to mix (Prime) problem and intrinsic all characteristics of selling automatic stop off.
Two types of general fruit juice pumps (represented these series product two extreme) are arranged in the market, wherein a kind of be double action with the diaphragm pump of gas as power source.As U. S. Patent the 4th, 436, No. 493 the above be exactly such pump.This class pump is worked on request, because their stroke is long and speed is slow comparatively speaking, so do not have emptying phenomenon, the another kind of series is the motor-drive pump of Rapid Cycle, these throws of pump are short relatively and speed is fast, therefore may produce and inhale sky and just produce aqueous vapor and mix phenomenon,, can work on request so motor-drive pump must be provided with pressure switch.
The purpose of this invention is to provide a kind of single-acting gas-operated fruit juice pump of not inhaling empty problem, low price, selling automatic stop off.
The present invention comprises a single-acting gas-operated reciprocating pump, this pump composed as follows: a pump housing with main chamber, and main chamber is separated into gas acting chamber and liquid suction chamber by a piston assembly; One produces the spring assembly initially give pressure to piston assembly, and it is on the position in two extreme positions piston assembly; Be used for making the unidirectional one-way valve that enters liquid suction chamber and extrude liquid from liquid suction chamber of liquid; A control valve, it alternately pilot pressure gas enter the gas acting chamber or from the gas acting chamber, discharge gas, thereby make piston assembly produce to-and-fro motion, thereby liquid is extruded or suck in the liquid suction chamber; A quick quick-action spring mechanism, it links together control valve and pistons reciprocating assembly, and a position from its two limit positions produces kick motion rapidly to another position along with moving back and forth up and down of piston assembly to be used for making the control valve device.
During detailed description below reading in conjunction with the accompanying drawings, will more in depth understand the present invention.Label identical in the illustration has been represented components identical.Wherein:
Fig. 1 is an embodiment's a side sectional view.This example can embody the pump among the present invention.
Fig. 2 is after a part is cutd open, the part top plan view of pump shown in Figure 1.
Fig. 3 is the back elevation view of pump shown in Figure 1.
Fig. 4-the 7th, the side sectional view identical with Fig. 1, these figure have represented the working procedure of pump.
Fig. 8 is the side sectional view according to a kind of preferred example of the present invention.
Fig. 9 is the planimetric map that the quick quick-action spring mechanism of pump shown in Figure 8 amplifies slightly, and it is to dissect along the 9-9 on Fig. 8, can find out on same drawing and draw money on credit arm and lack the situation that support arm comes into line.
Figure 10 is the planimetric map of the septum assembly that dissects along the 10-10 line on Fig. 8, and among the figure, lower pump body is represented with imaginary line.
Figure 11 is the elevation view of barrier film under mold formed state.
Figure 12 is the front view of supporting element in the pump shown in Figure 8.
Figure 13 is the cross-sectional view that dissects along the 13-13 line on Figure 12.
Figure 14 is the side view of Figure 12 upper supporting piece.
Consult the preferred example of the present invention shown in an example of the present invention shown in Fig. 1-7 and Fig. 8-14 now.
Fig. 1-7 represents a single-acting gas-operated reciprocating pump 10, and this pump has 12, one exhaust fittings 14 of a suction tude joint; A liquid inlet pipe joint 16 and a liquid-discharging tube joint 18.
Pump 10 comprises the pump housing 19 and guard shield 20.The pump housing 19 comprises lower pump body 21 and upper pump casing 22, is screwed together between upper pump casing and lower pump body.
A main chamber 28 is arranged on the pump housing 19, it is divided into liquid suction chamber 30 and gas acting chamber 40 by a reciprocating piston assembly 50, and a liquid entering hole 32 and the liquid port 36 by unidirectional umbrella valve 38 controls by unidirectional umbrella valve 34 controls is arranged in the liquid suction chamber 30.
Gas acting chamber 40 has a ventilating hole 42, and it communicates with control valve pocket 41 by gas channel 43.Control valve pocket 41 has 44, one relief openings 46 of a suction port and an air inlet air outlet 47, and it is linked up with gas acting chamber 40 mutually by gas channel 43.In the control valve pocket 41 a reciprocating control valve 48 is arranged, it can move to the second place (as shown in Fig. 6 and Fig. 7) from its primary importance (as shown in Fig. 1,4 and 5).Relief opening 46 choke-outs, And links up the air-flow between suction port 44 and the gas acting chamber 40 to control valve when primary importance.When the second place, control valve suction port 44 Bi Si And and make gas acting chamber 40 and relief opening 46 between air-flow link up.
Piston assembly 50 preferably is made up of piston 52 and guard ring 54 and the barrier film 51 that is clipped in therebetween.One collar flange 56 is arranged on the barrier film 51, and it is placed on, and And forms sealing in a pair of ditch groove that matches between upper pump casing 22 and the lower pump body 21 between last lower pump body.Piston 52 is connected on the piston rod 60, and the top end of piston rod has a piston rod axle collar 62.One 0 shape seal ring 66 nestles up pistons reciprocating bar 60 and forms sealing.Round piston rod 60 pressure spring 64 is arranged, it has the tendency that septum assembly is kept up, as shown in fig. 1.
Control valve 48 is connected the lower end of valve rod 70, and the upper end of control valve rod 70 has a valve rod axle collar 72.
Piston assembly 50 and control valve 48 surmount the quick quick-action spring mechanism 74 in center by one and constitute mechanical connection.Include a upright supporting element 82 in the spring mechanism 74, this supporting element is between bar 60 and 70.Draw money on credit arm 80 between the piston rod axle collar 62 and Round cylindrical pivot 85, pivot 85 is positioned at the top of supporting element 82, and lack support arm 84 between the valve rod axle collar 72 and pivot 85, a pair of extension spring 86 and 88 tensions are represented the most obviously on Fig. 1 and Fig. 2 between support arm 80 and 84.
The upper pump casing 22 of pump 10 and lower pump body 21 are preferably all used high pressure die casting ， And and are fixed together with screw, also can use methods such as bolt, clip or ultrasonic welding to connect.Guard shield 20 preferably adopts the cutting ferrule device to install.Bar 60 the most handy being threaded on the piston 52, barrier film 51 is clipped between guard ring 54 and the piston.Piston assembly or septum assembly 50 also can adopt the structure of other form, as adopt a kind of piston that has motive sealing or other sealing.Also can use independent barrier film or diaphragm configuration that the upper plate and the lower plate of some are arranged.Bar 70 preferably can rapid-mounted in the groove of control valve 48.
The working procedure of pump 10 is shown in Fig. 4-7, and Fig. 4 represents is that pump 10 is in the operating mode when static.Suction tude joint 12 cut-in pressure sources of the gas (Co for example 2Gas tank).Pressure regulator remains on air pressure and gives on the value of setting up earlier, and its scope approximately is 30-75 pound/inch 2((gauge pressure).Liquid inlet pipe joint 16 is communicated to the fruit juice reservoir.For example, be a box-shaped cistern.Liquid-discharging tube joint 18 is connected to an interim beverage ingredient Qi And who mixes and leads to the beverage dispensing valve assembly by this dogage control unit.
When fruit juice extrudes from the liquid suction chamber 30 of pump (for example after starting the beverage dispensing valve device, just distributing the mixed solution of fruit juice and carbonate water), pressed gas in the gas acting chamber 40 makes barrier film 50 move downward (as shown in Figure 5), when barrier film 50 moves downward when stroke finishes soon, the position of spring mechanism 74 has been crossed its central point, thereby control valve rod 70 is moved down rapidly, and make control valve 48 move downward the position that arrives as shown in Fig. 6 and Fig. 7.This just makes the gas in the gas acting chamber 40 arrange to atmosphere.When this thing happens, heading on piston assembly 50 around the pressure spring 64 of spring rod 60 outsides moves on fast, and fast quick-action spring mechanism 74 makes control valve rod 70 be with control valve plug 48 to move on rapidly with that, thereby closed the relief opening 46 And that lead to atmosphere the gas acting chamber is linked up mutually with pressure gas source, so just formed the work cycle that repeats.
Pump 10 forms series by size, and when being used for supplying with fruit juice to interim mixed allocation valve assembly, the speed of work cycle can be about 0.5-15 time of per second.Test shows, is guaranteeing that such cycle rate is enough fast under the stable situation of output phase time, but also is being unlikely to the degree that liquid gas is handed over the problem of mixing to occur near causing liquid suction sky.When to the beverage cup perfusion fruit juice of 12 dress (approximately needing to supply with 2 fruit juice), pump just extrudes the fruit juice of 0.3 in each work cycle greatly, will circulate 6-8 time for the cup of each this 12 .It would be desirable the 0.5 cube of inch that approximately can press fruit for cider in each circulation.The flow of pump 10 has two kinds of about 0.25 of per second or 0.5 , and this depends on that it is per second 1.5 or about per second 3 faster that the beverage of employed valve member distributes speed.That is exactly that the cycle rate of pump 10 will add fast again when adopting the valve member of very fast speed.Valve member is one of factor of decision pump 10 cycle rates to the control of liquid stream.
The maximum volume in liquid suction chamber 30 is preferably about 1 cube of inch.The best stroke of control valve 48 is about 0.06 inch.The most handy synthetic rubber of not strengthening of barrier film is made.
Spring 64 preferably constitutes series, and spring force will come to determine like this: just quit work when high when the pressure of fruit juice one side reaches 22 inch mercury column, this that is to say, reduces to 22 inch mercury column when high when the feed of fruit juice consumes its Zhen pneumatics Li And, and pump will quit work.Pump 10 just has a kind of intrinsic characteristics that can sell fruit juice automatically off like this.The force value that employing is different from 22 inch mercury column condition of high vacuum degree is also passable.The best atmospheric pressure value that pump 10 is adopted is approximately 60 pounds/inch 2(gauge pressure) .If have been found that 0.5-15 of pump 10 per second work circulation or the about per second 0.25-0.5 that presses fruit for cider, just can avoid inhaling sky and liquid gas can not occur and hand over the problem of mixing.
In the preferred example that Fig. 8-14 expresses, pump 110 has a suction tude joint 112; An exhaust fitting 114; A liquid inlet pipe joint 116 and 1 liquid-discharging tube joint 118.
Pump 110 comprises the pump housing 119 and guard shield 120.The pump housing 119 is made up of lower pump body 121 and upper pump casing 122.Upper pump casing and lower pump body are fixed together with suitable screw (not shown).
The pump housing 119 has a main chamber 128, and it is separated into liquid suction chamber 130 and gas acting chamber 140 by reciprocating piston assembly 150.Liquid suction chamber 130 has a liquid entering hole 132 and the liquid port 136 by unidirectional umbrella valve 138 controls by unidirectional umbrella valve 134 controls.
Gas acting chamber 140 has a ventilating hole 142, and it communicates with control valve pocket 141 by gas channel 143.Control valve pocket 141 has 144, one relief openings 146 of a suction port and an air inlet air outlet 147, and it communicates by gas channel 143 and gas acting chamber 140.In the control valve pocket 141 control valve plug that can do to move back and forth up and down 148 is arranged, it can move to second place (not shown) from its primary importance (as shown in Figure 8), and control valve makes relief opening 146 close dead And when primary importance the air-flow between suction port 144 and the gas acting chamber 140 is linked up.When the second place, control valve makes suction port 144 close dead And the gas stream between relief opening 146 and the gas acting chamber 140 is linked up.In this example, relief opening 146 is opened on the inner chamber of guard shield 120, and the position of the relative exhaust fitting 114 of this opening becomes 90 °, so just can play the effect of noise elimination to some noise of pump, and the noise when making the pump running is less.
Piston assembly 150 is made up of piston 152 and guard ring 154 and the barrier film 151 that is clipped between them.Barrier film 151 has a collar flange 156, and it is placed in a pair of groove that matches between upper pump casing 122 and the lower pump body 121.Piston 152 is connected on the piston rod 160, and the top end of bar has a piston rod axle collar 162.An O-ring seals 166 nestles up pistons reciprocating bar 160 and forms sealing.Pressure spring 164 is arranged in the liquid suction chamber 130, it is between piston 152 and lower pump body 121, annular groove is all arranged in order to holding spring 164 on piston and lower pump body, the pressure that gives of spring makes the piston assembly top (see figure 8) that makes progress.
Control valve plug 148 is connected valve rod 170 lower end, and in the tip portion of valve rod a valve rod axle collar 172 is arranged.
Piston assembly 150 and control valve plug 148 surmount the quick quick-action spring mechanism 174 in center by one and constitute mechanical connection.Spring mechanism 174 comprises the supporting element 182 of setting, and it is a constituent element of upper pump casing 122, at the top of supporting element garden cylindrical pivot 185 is arranged.Draw money on credit arm 180 between the piston rod axle collar 162 and pivot 185, and short support arm 184 is between the valve rod axle collar 172 and pivot 185, and two extension springs 186 and 188 tensions (are represented the most obviously) between support arm 180 and 184 among Fig. 9.
Support arm 180 and 184 all is a H shape framework, end at each support arm leg, they all have the garden cylindricality lug 192,193 and 194,195 that inwardly stretches out, and on the other end of each support arm leg, all there are open-ended U-shaped recess (consulting the recess 196 on Fig. 8), these lugs to embed axle collar recess respectively then on the Cha Zai Round cylindrical pivot 185.Drawing money on credit, the position opposite with lug 192 and 193 has a pair of bearing pin that stretches out 200 and 201 outwardly on the arm 180, and big have a pair of bearing pin that stretches out 202,203 outwardly about the middle part of galianconism 184 total lengths.On these bearing pins, preferably all have annular groove to fasten spring (consulting Fig. 9).
As shown in Figure 10 and Figure 11, barrier film 151 preferably and O-ring seals 190 make integral body together.O-ring seals is used for seal control valve chamber 141, and it constitutes sealing between upper pump casing 122 and lower pump body 121.Figure 11 expresses the whole barrier film 151 and the O shape circle 190 of die forming.
Figure 12-14 more clearly expresses supporting element 182, and this supporting element is H shape on the level cross-sectionn, as shown in figure 13.Its body has a pair of U-shaped groove 210 and 212 and stiffening ribs 208 at the center that vertically extend.As shown in Figure 14.There is an entity component 214 below that the top of supporting element is positioned at garden cylindrical pivot 185.
The working condition of the pump of being narrated among pump 110 and the prior figures 1-7 10 in fact all is identical.Leave certain vertical shifting amount between the axle collar 172 that a difference of pump 110 just is to lack support arm 184 and lug 194,195 and control valve rod 170.So just can make control valve plug 148 from its limit position when the motion of another limit position, produces more strong kick and moves.
After the present invention having been done detailed explanation with reference to best way with another example, be readily appreciated that under the situation of the scope and spirit of the present invention of defined in not breaking away from the accessory claim project, can make all variations and modification the present invention.For example, various assemblies can adopt different materials, shape and size; The position of each interface also can be moved if desired; The form of each spring and position can change.The extension spring that the pressure spring that for example promotes piston assembly can be used another kind of pattern instead spurs piston assembly.

Claims (17)

1, single-acting gas-operated pump, it comprises: there is a pump housing of main chamber inside, the piston apparatus that above-mentioned main chamber is divided into gas acting chamber and liquid suction chamber, be associated with above-mentioned piston apparatus, above-mentioned piston apparatus is pressed to the spring assembly in aforesaid liquid suction chamber, liquid is sent into or is extruded the device in aforesaid liquid suction chamber, alternately propellant is sent into or is discharged the above-mentioned gas acting chamber, thereby make above-mentioned piston apparatus to-and-fro motion alternately discharge liquid or suck the control valve device in aforesaid liquid suction chamber, and above-mentioned piston apparatus mechanical type is connected in above-mentioned control valve device so that make above-mentioned control valve device respond the to-and-fro motion of above-mentioned piston apparatus and the fast-acting spring mechanism of kick fast back and forth, it is characterized in that: have only when the pressure in the aforesaid liquid suction chamber during greater than predetermined value, the above-mentioned elastic force that spring produced related with piston apparatus just is enough to make above-mentioned piston apparatus to continue to-and-fro motion, like this, when occurring being equivalent to the vacuum pressure of above-mentioned predetermined value in the aforesaid liquid suction chamber, said pump will quit work, make this pump have the inherent device of selling automatic stop off, above-mentioned control gear comprises a control valve chamber and is contained in the indoor reciprocating control valve between first and second control positions of control valve, above-mentioned fast-acting spring mechanism is installed in outside the above-mentioned main chamber, so that between above-mentioned two control positions, move back and forth, the device of gas being sent into described control room has a suction port in above-mentioned control room, when control valve is positioned at above-mentioned second control position this inlet close, the device of gas being discharged above-mentioned control valve chamber comprises one at the indoor relief opening of above-mentioned control valve, this exhaust close when control valve is positioned at above-mentioned first control position, and the gas channel between above-mentioned control valve chamber and above-mentioned gas acting chamber.
2, pump as claimed in claim 1 is characterized in that: the pressing spring device is positioned at above-mentioned liquid suction chamber.
3, pump as claimed in claim 1, it is characterized in that: it comprises a control valve rod that links together with above-mentioned control valve, it in the above-mentioned control valve pocket to outer extension, a piston rod that is connected with above-mentioned piston apparatus, it is protruding in the above-mentioned main chamber, and above-mentioned quick quick-action spring mechanism mechanically links together these two bars.
4, pump as claimed in claim 3, it is characterized in that: above-mentioned quick quick-action spring mechanism comprises a fixing pivot, movable first support arm between this pivot and above-mentioned piston rod, movable second support arm between this pivot and above-mentioned control valve rod, and surmount the central spring device, its end is connected with the piston rod or first support arm, and its other end is connected with the control valve rod or second support arm.
5, pump as claimed in claim 4, it is characterized in that: the above-mentioned the other end that surmounts central spring is to be connected with the second above-mentioned support arm, and second support arm is connected with above-mentioned control valve rod and a certain amount of vertical shifting amount is arranged, thereby just can produce the stronger action of kick rapidly when crossing the center in surmounting the central spring movement process.
6, pump as claimed in claim 5, it is characterized in that: the above-mentioned rod end of each root all is equipped with the axle collar, have two horizontal flanges spaced apart from each other on the vertical position on the axle collar, and form annular groove between this two flange, thereby the projection of the first and second above-mentioned support arms stretches in the groove between corresponding axle collar flange separately.
7,, it is characterized in that this pump comprises according to the described pump of claim 1:
(a) a reciprocating controlling rod and above-mentioned control valve link together, it in the above-mentioned control valve pocket to outer extension; A reciprocating diaphragm piston bar that is connected with above-mentioned piston apparatus, it is protruding from above-mentioned main chamber, and above-mentioned fast-acting spring mechanism mechanically links together these two bars,
(b) above-mentioned fast-acting spring mechanism comprises a changeless pivot, movable first support arm between this pivot and above-mentioned piston rod, movable second support arm between this pivot and above-mentioned control valve, and surmount the central spring device, its end is connected with the piston rod or first support arm, its the other end is connected with the control valve rod or second support arm
(c) the above-mentioned central spring device that surmounts is connected with above-mentioned second support arm, and second support arm is connected with above-mentioned control valve rod and certain vertical shifting amount is arranged, thereby just can produce the stronger action of kick rapidly when in surmounting central spring device movement process, crossing the center
(d) the above-mentioned rod end of each root all is equipped with the axle collar, have two horizontal flanges spaced apart from each other on the vertical position on above-mentioned each axle collar, and between this two flange, form annular groove, thereby the projection of above-mentioned first and second support arms stretches in the groove between corresponding axle collar flange separately, and
(e) above-mentioned fast-acting spring mechanism comprises a vertical support member between above-mentioned two bars, above-mentioned pivot in the fast-acting spring mechanism is a horizontal circle cylinder, it is positioned at the top of this vertical support member, its direction is perpendicular to the formed plane of above-mentioned two rod axis, above-mentioned each support arm all is H shape, and the support arm leg that respectively has pair of parallel, be connected by criss-cross framework between the support arm leg, each of this framework has the U-shaped recess to an end of support arm leg, above-mentioned being pivotally mounted in these recesses, the above-mentioned central spring that surmounts comprises a pair of helical compression spring, and this spring couples together between above-mentioned first support arm and second support arm and them.
8, pump as claimed in claim 7 is characterized in that: the second above-mentioned support arm is installed on the pivot of above-mentioned first support arm the inside, and above-mentioned spring couples together the corresponding two ends of two support arms.
9, pump as claimed in claim 8 is characterized in that: the pump housing only is made of upper pump casing that links together and lower pump body, and has formed above-mentioned main chamber and control valve chamber between last lower pump body, and above-mentioned liquid suction device is in lower pump body.
10, pump as claimed in claim 9 is characterized in that: above-mentioned gas access is in above-mentioned lower pump body, and above-mentioned relief opening and gas channel are in above-mentioned upper pump casing.
11, pump as claimed in claim 10 is characterized in that: it comprises a guard shield that above-mentioned quick quick-action spring mechanical is covered in, and also comprises an exhaust passage by this guard shield, and wherein, said exhaust passage communicates with said shroud interior.
12, pump as claimed in claim 11 is characterized in that: the pressure spring device is in above-mentioned liquid suction chamber.
13, pump as claimed in claim 1, it is characterized in that: it comprises a guard shield that is connected with the above-mentioned pump housing, covered in above-mentioned quick quick-action spring mechanism, an exhaust passage is arranged by this guard shield, above-mentioned control valve device comprises and is used for the gas in the above-mentioned gas acting chamber is entered the interior device of described guard shield.
14, pump as claimed in claim 1 is characterized in that: the pump housing is only linked together by lower pump body and upper pump casing and constitutes, and has formed above-mentioned main chamber between last lower pump body, and above-mentioned liquid input device is in lower pump body.
15, pump as claimed in claim 14, it is characterized in that: the control valve device comprises a gas channel that is communicated with the above-mentioned gas acting chamber, this gas channel all is positioned at above-mentioned upper pump casing, the exhaust passage also all is positioned at upper pump casing, and the quick-action spring mechanism is connected on the upper pump casing fast.
16, pump as claimed in claim 1 is characterized in that: the above-mentioned active force that spring assembly produced can quit work above-mentioned piston apparatus when the pressure in liquid suction chamber is reduced to a certain predetermined value.
17, pump as claimed in claim 16 is characterized in that: said predetermined value approximately is 22 inch mercury column height.
CN87105372A 1985-02-19 1985-09-05 Single-acting gas-operated pump Expired CN1007539B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70251585A 1985-02-19 1985-02-19
US702,515 1985-02-19

Publications (2)

Publication Number Publication Date
CN85106694A CN85106694A (en) 1986-10-15
CN1007539B true CN1007539B (en) 1990-04-11

Family

ID=24821521

Family Applications (1)

Application Number Title Priority Date Filing Date
CN87105372A Expired CN1007539B (en) 1985-02-19 1985-09-05 Single-acting gas-operated pump

Country Status (3)

Country Link
CN (1) CN1007539B (en)
MX (1) MX162246A (en)
ZA (1) ZA861238B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111734605A (en) * 2020-06-28 2020-10-02 江苏承运弘大科技有限公司 Gas collecting pump

Also Published As

Publication number Publication date
MX162246A (en) 1991-04-16
ZA861238B (en) 1986-10-29
CN85106694A (en) 1986-10-15

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