CN108194300A - Strong inverse flow and size pump outpour compound pump valve to size pump simultaneously simultaneously - Google Patents
Strong inverse flow and size pump outpour compound pump valve to size pump simultaneously simultaneously Download PDFInfo
- Publication number
- CN108194300A CN108194300A CN201711400496.1A CN201711400496A CN108194300A CN 108194300 A CN108194300 A CN 108194300A CN 201711400496 A CN201711400496 A CN 201711400496A CN 108194300 A CN108194300 A CN 108194300A
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- CN
- China
- Prior art keywords
- channel
- spool
- pump
- outpours
- mill base
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
- F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
Strong inverse flow and size pump outpour compound pump valve to size pump simultaneously simultaneously, size pump including piston structure, the size pump of the piston structure, it is exactly the one small pump housing of outlet bottom end setting in big pump housing, big piston end surface in big pump housing stretches out valve piston, valve piston forms small pump with small pump housing, and big pump forms combination pump with small pump；And the control valve of control size combination pump circulation, control valve include valve body and spool, the spool cavity for accommodating rotary spool are set in valve body, spool is placed in spool chamber body.The present invention outpours the dredging of step crunch using combination pump and largely outpours channel and in a small amount outpour channel, in implementation steps so that can be supplemented in time when occurring vacuum in combination pump, avoid falling into a long wait vacuum inside combination pump and fill.
Description
Technical field
The present invention relates to coating technology of mix colors fields, and in particular to a kind of size pump simultaneously note simultaneously by strong inverse flow and size pump
Go out compound pump valve.
Background technology
There is the pump valve structure that our company has produced, the size pump including plunger type piston structure, control size pump runner
Valve, outlet bottom end in big valve chamber sets a small pump housing, stretches out small piston in big pump housing, small piston with
Small pump housing forms small pump, and big pump forms combination pump with small pump.Include such circulation by the valve for controlling size pump circulation to tie
Structure, by the mill base that combination pump pumps out by spool it is a large amount of outpour channel and it is a small amount of outpour channel after, collect into mill base bucket, so
Afterwards by compound pumping, it is desirable to mill base from mill base bucket by largely outpouring channel and a small amount of channel resorption that outpours to combination pump,
Concrete structure is shown in CN201310045508.9, and this structure is all thinner due to largely outpouring channel and a small amount of channels that outpour,
When performing drawing step, mill base is flowed out by mill base bucket, respectively enters a large amount of channels that outpour with before outpouring channel in a small amount, setting is short
Road makes mill base quickly suck combination pump, is mill base respiratory time and vacuum stand-by period.
Above structure for the relatively low mill base of viscosity, when mill base passes through short-channel, is also diverted through a large amount of
It outpours channel and outpours channel in a small amount and pass through.But when encountering viscous fluid, when combination pump outpours step, i.e., in spool
In the position that initial closing mill base outpours, the mill base in mill base bucket can be made to suck in combination pump or from combination pump mill base
It pushing back in mill base bucket, it is to flow back into mill base bucket from short circuit that thick liquid, which has quite a few, and sticky mill base does not pass fully through,
Or occur without the state by largely outpouring channel and outpouring channel in a small amount, this, which just reduces or lose, largely outpours channel and small
Amount outpours the anti-blocking effect that flows back of channel, thus occurs largely outpouring channel or a small amount of risks for outpouring channel blockage.
Invention content
In order to solve spool largely outpour channel or it is a small amount of outpour the technical issues of channel stops up, the present invention utilizes CN
Combination pump in 201410792472.5 outpours the dredging of step crunch and largely outpours channel and outpour channel in a small amount, can be big
Measure the reflux resistance that combination pump is reduced during mill base reflux.When implementing to outpour step so that can when occurring vacuum in combination pump
It is supplemented in time, avoids falling into a long wait vacuum filling inside combination pump.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows：
Strong inverse flow and size pump outpour compound pump valve to size pump simultaneously simultaneously, the size pump including piston structure, the piston knot
The size pump of structure is exactly that outlet bottom end in big pump housing sets a small pump housing, the big piston end surface in big pump housing
Valve piston is stretched out, valve piston forms small pump with small pump housing, and big pump forms combination pump with small pump；And control size combination pump circulation
Control valve, control valve includes valve body and spool, the spool cavity for accommodating rotary spool set in valve body, and spool is placed in spool cavity
It is interior；Channel A is set on valve body, channel A one end is connected with big pump, and channel B is set on valve body, and channel B one end is connected with remaining small pump, led to
The other end of road A forms A mouthfuls of spool on spool cavity, and the channel B other ends form B mouthfuls of spool on spool cavity；In valve body
If the mill base bucket channel that spool cavity is connected with mill base bucket, mill base bucket channel forms spool mill base bung hole on spool cavity；Valve
Body is additionally provided with mill base and outpours mouth；Spool is set to outpour channel on spool, spool outpours channel and is placed in mill base spout position note
Go out thick liquid, channel is set on the spool so that when spool outpours channel and is located at reflux state, one of channel A or channel B
Only unicom spool outpours channel, and spool outpours channel unicom mill base bucket channel；Surplus next channel A or channel B passes through spool
Upper setting channel is directly communicated to mill base bucket channel；So that spool outpours channel and is located at when outpouring state, one of channel A, channel B or
Person connects spool and outpours channel simultaneously；
Described spool A mouthfuls with spool B mouthfuls be arranged in parallel with spool chamber axis, the spool outpours channel as two, respectively
Spool X outpours channel and spool Y outpours channel, and spool X, which outpours channel and spool Y and outpours channel and connect the axle center of spool setting, to be led to
Road, when spool is located at reflux state, one of channel A or channel B unicom poppet shaft heart channel are outpoured logical by axial channel connection X
Road and spool Y outpour channel, and spool X outpours channel and spool Y outpours channel and corresponds to unicom mill base bucket channel and is collected to mill base bucket；
Surplus next channel A or channel B is directly communicated to the mill base at spool cavity bottom end axis position by the access ramp set on spool
Bucket channel is passed through mill base bucket；So that spool X outpours channel positioned at when outpouring state, channel A, channel B are commonly through axial channel
Connection spool X outpours channel；So that spool Y outpours channel positioned at when outpouring state, channel A and channel B lead to commonly through axle center
Road connection spool Y outpours channel and outpours.
Valve body is equipped with inlet and outlet and the small inlet and outlet greatly of connection combination pump, and the axis of big inlet and outlet and small inlet and outlet is located at
In same plane, the axial channel of spool is equipped with the first radial passage, the second radial passage, third radial passage, the 4th diameter
To channel and the 5th radial passage, one end of the axial channel of spool, which is additionally provided with first and outpours channel and second, outpours channel, and
The diameter that one diameter for outpouring channel outpours channel with second is identical, and the other end of spool is additionally provided with access ramp, access ramp and color
Slurry bucket inlet and outlet connection, wherein, when pump valve is in original state, the first radial passage, the second radial passage and import and export greatly
In axis is generally aligned in the same plane, third radial passage, the 4th radial passage, the 5th radial passage and small inlet and outlet axis be located at
In same plane, the axis of access ramp and the axis imported and exported greatly are generally aligned in the same plane interior, the first radial passage and the second radial direction
Channel is coaxially set, and third radial passage and the 4th radial passage are vertically arranged, third radial passage and the 5th radial passage
It is coaxially set, first, which outpours channel and second, outpours channel and be coaxially set, and first outpours channel and the first radial passage is put down
Row setting.
Above-mentioned technical proposal is used, the invention has the advantages that：
The main feature of the present invention, for compound pump valve in initial position, i.e., the spool of pump valve, which is in close, outpours mouth, combination pump
Mill base can be pumped into from mill base bucket, combination pump can also be expelled back into the mill base inside combination pump in mill base bucket at this time；Small work
Plug pump enters small pump and imports and exports（Small pump housing）Mill base can connect mill base bucket low-resistance by access ramp and largely flow back before；Valve piston
Pump enters small pump and imports and exports（Small pump housing）Reflux course afterwards is referred to as reflux state：The mill base of channel A or channel B can also lead to
It crosses access ramp to be back in mill base bucket, remaining mill base is not by connecting the other channel of access ramp（Channel A or channel B）Only
By outpouring the return flow line on channel connection valve body to mill base bucket strong inverse flow, such as largely outpour channel and a small amount of channels that outpour connect
Mill base bucket strong inverse flow is connect, that is, the road mill base bucket connects mill base bucket strong inverse flow only by channel is outpoured；Spool is motionless, i.e., multiple
Pump is closed when initial position aspirates mill base, donkey is detached from small pump inlet and outlet（Small pump housing）Mill base is by largely outpouring before
Channel and a small amount of channels that outpour aspirate, and donkey is detached from small pump inlet and outlet（Small pump housing）Mill base passes through access ramp low-resistance later
A large amount of suctions；
Compound pump valve includes three kinds of reflux formations：Reflux formation one, one of big pump or small pump pass through refluxing opening（Access ramp）
Low-resistance flows back, one of remaining to pass through valve core channel strong inverse flow；Reflux formation two, one of big pump or small pump are by noting greatly
Outlet or small one of the mouth that outpours outpour, one of remaining to pass through refluxing opening（Access ramp）Low-resistance flows back；Reflux formation three,
Big pump and small pump pass through valve core channel strong inverse flow；
Since communicating passage does not connect always with valve body left chamber channel and right chamber channel and end run end in valve, it is avoided that occurring
Reflux short circuit.Since by the embodiment that pump inlet and outlet and small pump are interchangeable greatly in figure, only small pump performs strong inverse flow,
And mill base short circuit is pumped greatly and enters mill base bucket, it will be able to increase small pump pressure, perform stronger strong inverse flow；Valve core rotation can realize phase
The mill base answered largely is outpoured to be outpoured with micro, and compared with existing control valve, control valve is when being failure to actuate, the color inside mill base bucket
It starches after being pumped by two return flow path strong inverse flows to mill base bucket, reducing the abrasion between the parts of control valve,
The service life of control valve is increased, while completes the cleaning of the strong inverse flow between mill base bucket and control valve inside again, is ensured
Mill base outpours the performance and use state of channel and mill base in spool.The most valuable is existing before this structure reduces
There is the manufacture cost of spool in technology, be a kind of quality-high and inexpensive structure.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention;
Fig. 2 is to prevent thick liquid from being returned by force in the big pump of the one embodiment for the pump valve structure for outpouring channel blockage in the present invention
Stream, the status architecture schematic diagram of small pump low-resistance reflux；
Fig. 3 is a large amount of structure diagrams for outpouring pulpous state state of Fig. 2 embodiments；
Fig. 4 is a small amount of structure diagrams for outpouring pulpous state state of Fig. 2 embodiments；
Fig. 5 is the structure diagram of a large amount of strong inverse flow states of Fig. 2 embodiments；
Fig. 6 is prevents thick liquid from being returned by force in the small pump of the one embodiment for the pump valve structure for outpouring channel blockage in the present invention
Stream, the status architecture schematic diagram of big pump low-resistance reflux；
Fig. 7 is a large amount of structure diagrams for outpouring pulpous state state of Fig. 6 embodiments；
Fig. 8 is a small amount of structure diagrams for outpouring pulpous state state of Fig. 6 embodiments；
Fig. 9 is the structure diagram of a large amount of strong inverse flow states of Fig. 6 embodiments；
Figure 10 is to prevent thick liquid from being returned by force in the big pump of the one embodiment for the pump valve structure for outpouring channel blockage in the present invention
Stream suction mill base, the status architecture schematic diagram of small pump low-resistance suction mill base；
Figure 11 is a large amount of structure diagrams for outpouring pulpous state state of Figure 10 embodiments；
Figure 12 is the structure diagram of a large amount of strong inverse flow states of Figure 10 embodiments；
Figure 13 is the structure diagram of Figure 10 embodiment inoperatives position；
Figure 14 is prevents thick liquid from being returned by force in the small pump of the one embodiment for the pump valve structure for outpouring channel blockage in the present invention
Stream suction mill base, the big status architecture schematic diagram for pumping low-resistance suction mill base；
Figure 15 is a large amount of structure diagrams for outpouring pulpous state state of Figure 14 embodiments；
Figure 16 is the structure diagram of Figure 14 embodiment inoperatives position；
Figure 17 is the structure diagram of a large amount of strong inverse flow states of Figure 14 embodiments；
Figure 18 is prevents thick liquid from being returned by force in the small pump of the one embodiment for the pump valve structure for outpouring channel blockage in the present invention
Stream suction mill base, the big status architecture schematic diagram for pumping low-resistance suction mill base；
Figure 19 is a large amount of structure diagrams for outpouring pulpous state state of Figure 18 embodiments；
Figure 20 is the structure diagram of the inoperative position of Figure 18 embodiments；
Figure 21 is the structure diagram of a large amount of strong inverse flow states of Figure 18 embodiments；
Figure 22 is to prevent thick liquid from being returned by force in the big pump of the one embodiment for the pump valve structure for outpouring channel blockage in the present invention
Stream suction mill base, the status architecture schematic diagram of small pump low-resistance suction mill base；
Figure 23 is a large amount of structure diagrams for outpouring pulpous state state of Figure 22 embodiments；
Figure 24 is the structure diagram of the inoperative position of Figure 22 embodiments；
Figure 25 is that the small pump of Figure 22 embodiments outpours in a small amount, and refluxing opening low-resistance aspirates the structure diagram of mill base；
Figure 26 is to prevent thick liquid from being returned by force in the big pump of the one embodiment for the pump valve structure for outpouring channel blockage in the present invention
Stream suction mill base, the status architecture schematic diagram of small pump low-resistance suction mill base；
Figure 27 is a large amount of structure diagrams for outpouring pulpous state state of Figure 26 embodiments；
Figure 28 is the structure diagram of the inoperative position of Figure 26 embodiments；
Figure 29 is that the small pump of Figure 26 embodiments outpours in a small amount, and refluxing opening low-resistance aspirates the structure diagram of mill base；
Figure 30 is that the small pump of one embodiment in the present invention imports and exports strong inverse flow suction mill base, big pump inlet and outlet low-resistance suction mill base
Status architecture schematic diagram；
Figure 31 is the structure diagram that the big pump inlet and outlet of Figure 30 embodiments and small pump inlet and outlet largely outpour mill base simultaneously；
Figure 32 is the structure diagram that the big pump inlet and outlet of Figure 30 embodiments and small pump inlet and outlet largely outpour mill base simultaneously；
Figure 33 is the structure diagram of the inoperative position of Figure 30 embodiments；
Figure 34 is to prevent thick liquid from being returned by force in the big pump of the one embodiment for the pump valve structure for outpouring channel blockage in the present invention
Stream suction mill base, the status architecture schematic diagram of small pump low-resistance suction mill base；
Figure 35 is a large amount of structure diagrams for outpouring pulpous state state of Figure 34 embodiments；
Figure 36 is that the big pump of Figure 34 embodiments outpours mill base, the structure diagram of small pump low-resistance suction mill base in a small amount；
Figure 37 is the structure diagram of the inoperative position of Figure 34 embodiments；
Figure 38 is to prevent thick liquid from being returned by force in the big pump of the one embodiment for the pump valve structure for outpouring channel blockage in the present invention
Stream suction mill base, the status architecture schematic diagram of small pump low-resistance suction mill base；
Figure 39 is that the big pump low-resistance of Figure 38 embodiments aspirates mill base, small to pump the structure diagram for outpouring mill base；
Figure 40 is that the large and small pump of Figure 38 embodiments outpours the structure diagram of mill base simultaneously；
Figure 41 is the structure diagram of the inoperative position of Figure 38 embodiments.
Specific embodiment
The specific embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings：
As shown in Fig. 1-Figure 41, strong inverse flow and size pump outpour compound pump valve to size pump simultaneously simultaneously, and one kind prevents thick liquid
In the pump valve structure for outpouring channel blockage, the size pump including piston structure, the size pump of the piston structure is exactly pumping greatly
Outlet bottom end in cavity sets a small pump housing, and the big piston end surface in big pump housing stretches out valve piston, valve piston with it is small
Pump housing forms small pump, and big pump forms combination pump with small pump；And the control valve of control size combination pump circulation, control valve include valve
Body and spool, the spool cavity for accommodating rotary spool is set in valve body, and spool is placed in spool chamber body；Channel A, channel are set on valve body
A one end is connected with big pump, and channel B is set on valve body, and channel B one end is connected with remaining small pump, and the other end of channel A is in spool cavity
Upper A mouthfuls of spool of formation, the channel B other ends form B mouthfuls of spool on spool cavity；Spool cavity is set in valve body to connect with mill base bucket
Mill base bucket channel, mill base bucket channel forms spool mill base bung hole on spool cavity；Valve body is additionally provided with mill base and outpours mouth；In valve
Spool is set to outpour channel on core, spool outpours and outpours thick liquid when channel is placed in mill base spout position, on the spool
Channel is set so that spool outpours channel and is located at the spool of pump valve in initial position, and donkey is into before small pump housing
Mill base can connect mill base bucket lower resistance by oblique straight channel and largely flow back；In the reflux state of initial position, the A of channel A
Only unicom spool outpours channel to one of B mouths of mouth or channel B, and spool outpours channel unicom mill base bucket channel；It is surplus next logical
Road A or channel B on spool by setting channel to be directly communicated to mill base bucket channel；So that spool outpour channel be located at outpour state
When, one of channel A, channel B or spool is connected simultaneously outpour channel.In this way, when spool is located at reflux state, small pump is got viscous
Thick liquid, the thick liquid of immense pressure by one of channel A, channel B by the channel set on spool enter spool outpour it is logical
Spool is outpoured channel dredging by road, is prevented thick liquid from outpouring access sites in tubule and is blocked；It is in initial also in spool
Under position, small pumping enters thick liquid, and thick liquid outpours channel by spool and enters one of big pump or small pump due to spool
It is thinner to outpour channel, viscosity resistance is big, and vacuum is easily formed in the big pump or small pump housing, and another access not over
Thinner spool outpours channel, and viscosity resistance is small, and thick liquid is easily directly entered remaining one big pump or small pump housing
Interior, when valve piston and small pump housing are detached from, big pump housing is connected with small pump housing, and vacuum position is filled rapidly by thick liquid,
It saves thick liquid and the slow filled vacuum of channel is outpoured and the extended time by thinner spool.The technical solution is also wrapped certainly
Include the prior art outpours state.
As shown in Fig. 1 and Figure 30, A mouthfuls of spool（That is big pump inlet and outlet or small pump in Figure 30 import and export one of them）With valve
B mouthfuls of core（That is big pump inlet and outlet or small pump in Figure 30 import and export one of them）It is arranged in parallel with spool chamber axis, the valve
It is two that core, which outpours channel, i.e.,（First in Figure 30, which outpours channel 109 and second, outpours channel 110）, respectively spool X outpours
Channel and spool Y outpour channel, and spool X outpours channel and spool Y and outpours the axial channel that channel connects spool setting, spool position
When reflux state, one of channel A or channel B unicom poppet shaft heart channel outpour channel and spool Y by axial channel connection X
Outpour channel, spool X outpours channel and spool Y outpours channel and corresponds to unicom mill base bucket channel and is collected to mill base bucket；It is surplus next
The mill base bucket channel that channel A or channel B is directly communicated to spool cavity bottom end axis position by the access ramp set on spool leads to
Enter mill base bucket；So that spool X outpours channel positioned at when outpouring state, channel A, channel B are commonly through axial channel connection spool X
Outpour channel；So that spool Y outpours channel positioned at when outpouring state, channel A connects spool with channel B commonly through axial channel
Y outpours channel and outpours.
As shown in Fig. 1, Figure 30, Figure 31, Figure 32 and Figure 33, valve body is equipped with the big inlet and outlet 101 of connection combination pump and small
The axis of inlet and outlet 102, big inlet and outlet 101 and small inlet and outlet 102 is set in being generally aligned in the same plane in the axial channel 103 of spool
There are the first radial passage 104, the second radial passage 105, third radial passage 106, the 4th radial passage 107 and the 5th radially to lead to
Road 108, one end of the axial channel 103 of spool, which is additionally provided with first and outpours channel 109 and second, outpours channel 110, and first outpours
The diameter that the diameter of channel 109 outpours channel 110 with second is identical, and the other end of spool is additionally provided with access ramp 111, access ramp
111 112 connect with mill base bucket inlet and outlet, wherein, when pump valve is in the reflux state of initial position, the first radial passage 104, the
In the axis of two radial passages 105 and big inlet and outlet 101 is generally aligned in the same plane, third radial passage 106, the 4th radial passage
107th, in the axis of the 5th radial passage 108 and small inlet and outlet 102 is generally aligned in the same plane, the axis of access ramp 111 and big disengaging
In the axis of mouth 101 is generally aligned in the same plane, the first radial passage 104 and the second radial passage 105 are coaxially set, and third is radially
106 and the 4th radial passage 107 of channel is vertically arranged, and 106 and the 5th radial passage 108 of third radial passage is coaxially set,
First, which outpours channel 109 and second, outpours channel 110 and is coaxially set, and first to outpour 109 and first radial passage 104 of channel flat
Row setting.As shown in figure 30, when pump valve is in the reflux state of initial position, donkey is detached from small pump inlet and outlet（Small pump chamber
Body）Before, 102 strong inverse flows of small inlet and outlet suction mill base is big to import and export 101 low-resistances suction mill base；As shown in figure 31, valve rod is from first
Beginning position rotates 90 degree, and outpouring a mouthful Z3 from mill base largely outpours mill base simultaneously for big inlet and outlet 101 and small inlet and outlet 102；Such as Figure 32
Shown, valve rod is turn 90 degrees from initial position is counter, and big inlet and outlet 101 and small inlet and outlet 102 outpour mouthful Z3 from mill base simultaneously and largely note
Go out mill base；As shown in figure 33, valve rod rotates 180 degree from initial position, this state does not use on product, but can be used for producing
The inspection of hermetic seal of product, two of said pump valve arrangement outpour channel size and are the same, in normal use, equal to possessing one
It is a it is spare outpour channel, after one outpours channel blockage, rotatable spool using another outpour channel ensure it is normal
Outpour.
It is a kind of to prevent thick liquid in the pump valve structure for outpouring channel blockage as shown in Fig. 1-Figure 41, including piston structure
Size pump, the size pump of the piston structure is exactly that outlet bottom end in big pump housing sets a small pump housing, pumping greatly
Big piston end surface in cavity stretches out valve piston, and valve piston forms small pump with small pump housing, and big pump forms combination pump with small pump；And
The control valve of size combination pump circulation is controlled, control valve includes valve body and spool, the spool chamber for accommodating rotary spool is set in valve body
Body, spool are placed in spool chamber body；Channel A is set on valve body, channel A one end is connected with big pump, and channel B, channel B mono- are set on valve body
End is connected with remaining small pump, and the other end of channel A forms A mouthfuls of spool on spool cavity, and the channel B other ends are on spool cavity
Form B mouthfuls of spool；The mill base bucket channel that spool cavity is connected with mill base bucket, mill base bucket channel shape on spool cavity are set in valve body
Into spool mill base bung hole；Valve body is additionally provided with mill base and outpours mouth；Spool is set to outpour channel on spool, spool outpours channel and is placed in
Thick liquid is outpoured during mill base spout position, channel is set on the spool so that spool outpours channel and is located at reflux state
When, only unicom spool outpours channel for one of the A mouths of channel A or the B mouths of channel B, and spool outpours channel unicom mill base bucket channel；
Surplus next channel A or channel B on spool by setting channel to be directly communicated to mill base bucket channel；So that spool outpours channel and is located at
When outpouring state, one of channel A, channel B or spool is connected simultaneously outpour channel.
As shown in Fig. 1-Fig. 9, described spool A mouthfuls with B mouthfuls of spool on the same circumference of spool cavity, the spool outpours logical
Road is two, and respectively spool X outpours channel and spool Y outpours channel, and spool X, which outpours channel and outpours channel with spool Y, to be connected
The axial channel of spool setting, when spool is located at reflux state, one of channel A or channel B unicom poppet shaft heart channel, by axle center
Channel connection X outpours channel and spool Y outpours channel, and spool X outpours channel and spool Y outpours channel and corresponds to unicom mill base bucket and leads to
Road is collected to mill base bucket；Surplus next channel A or channel B is directly communicated to spool cavity bottom end by the access ramp set on spool
The mill base bucket channel at axis position is passed through mill base bucket；So that spool X outpours channel and is located at when outpouring state, channel A, channel B it
One connects spool X by axial channel outpours channel；So that spool Y outpours channel and is located at when outpouring state, channel A and channel B
Channel is outpoured commonly through axial channel connection spool Y to outpour
As Figure 1-Figure 5, a kind of pump valve structure, including size combination pump, size combination pump includes big piston pump A and valve piston
Pump B, donkey B big piston pump A and the big pump inlet and outlet 1 of the equal unicom of donkey B, small pump inlet and outlet 2, valve A 1 when not working
Outer surface also sets up mill base bucket inlet and outlet 10 and mill base outpours a mouthful Z1, and spool is set in valve A 1, wherein, mill base bucket inlet and outlet 10
The left chamber channel C 1, right chamber channel C 2 and end run of spool chamber both sides are branched into valve body（End run is by the mark in Fig. 2
Numbers 10 represent, i.e. mill base bucket inlet and outlet 10）；The spool A2 set in valve body 1, the setting of spool A2 one end largely outpour channel 8, small
Amount outpours channel 7, largely outpours channel 8, a small amount of outpour channel 7 and connected with the axial channel 3 of spool A2；Pass through rotary spool A2
Make to pump inlet and outlet 1,2 connection mill base bucket inlet and outlet 10 of small pump inlet and outlet or mill base note greatly in the channel in different location, spool A2
Export Z1.It cannot be shown due to being shown Fig. 1 positions, in Fig. 1 except mill base outpours the concrete structure of mouthful Z1, still, mill base
Outpour the position that mouthful Z1 is located at Z1 lines meaning.
As Figure 1-Figure 5, big pump is equipped in valve A 1 and imports and exports 1 and small pump inlet and outlet 2, the axial channel 3 of spool A2
The first radial passage 4, the second radial passage 5 and third radial passage 6 are equipped with, one end of the axial channel 3 of spool A2 is also set
There is first to outpour channel 7 and second and outpour channel 8, the first diameter for outpouring channel 7 is less than the second diameter for outpouring channel 8, valve
The other end of core A2 is equipped with access ramp 9, and one end connection mill base bucket of access ramp 9 imports and exports 10, wherein, pump valve is in initial position
Reflux state when, big pump inlet and outlet 1, small the 2, first radial passage 4 of pump inlet and outlet, the second radial passage 5 and third are radially logical
In the axis in road 6 is generally aligned in the same plane, the first radial passage 4 and third radial passage 6 are coaxially set, and first outpours channel 7
With second channel 8 is outpoured to be coaxially set, the first radial passage 4 outpours channel 7 with first and is arranged in parallel, access ramp 9, it is small pump into
In the axis of 2 and second radial passage 5 of outlet is generally aligned in the same plane.As shown in Fig. 2, pump valve is in the reflux state of initial position
When, donkey is detached from small pump inlet and outlet（Small pump housing）Before, big pump can strong inverse flow suction mill base, small pump can lower resistance suction
Mill base；As shown in figure 3, valve rod is rotated by 90 ° from initial position, large and small pump outpours mill base simultaneously, and pump valve is in and largely outpours shape
State；As shown in figure 4, valve rod is turn 90 degrees from initial position is counter, small pump outpours mill base in a small amount, big to pump low-resistance reflux mill base；Such as Fig. 5 institutes
Show, valve rod rotates 180 degree from initial position, and pump valve is in big flow strong inverse flow state.
As shown in figures 1 to 6, big pump is equipped in valve A 1 and imports and exports 11 and small pump inlet and outlet 12, the axle center of spool A2 leads to
Road 13 is equipped with the first radial passage 14, the second radial passage 15 and third radial passage 16, the axial channel 13 of spool A2
One end, which is additionally provided with first and outpours channel 17 and second, outpours channel 18, and the first diameter for outpouring channel 17 outpours channel more than second
18 diameter, the other end of spool A2 are equipped with access ramp 19, and one end connection mill base bucket of access ramp 19 imports and exports 20, wherein, pump
When valve is in the reflux state of initial position, big pump inlet and outlet 11, small the 12, first radial passage of pump inlet and outlet 14, second are radially
In channel 15 and the axis of third radial passage 16 are generally aligned in the same plane, the first radial passage 14 and third radial passage 16 are coaxial
Line is set, and first, which outpours channel 17 and second, outpours channel 18 and be coaxially set, and the first radial passage 14 and first outpours channel
17 are vertically arranged, and access ramp 19, the first axis for outpouring 17 and second radial passage 15 of channel are generally aligned in the same plane interior.Such as Fig. 6
Shown, when pump valve is in the reflux state of initial position, donkey is detached from small pump inlet and outlet（Small pump housing）Before, small pump is strong
Reflux suction mill base is big to pump low-resistance suction mill base；As shown in fig. 7, valve rod rotates 90 degree from initial position, large and small pump is big simultaneously
Amount outpours mill base；As shown in figure 8, valve rod is turn 90 degrees from initial position is counter, big pump outpours mill base, small pump low-resistance reflux color in a small amount
Slurry；As shown in figure 9, valve rod rotates 180 degree from initial position, large and small pump is all in strong inverse flow aspiration phases.
As shown in Fig. 1 and Figure 10, described spool A mouthfuls（That is 46 aperture of channel on the spool face in Figure 10）With B mouthfuls of spool
（That is 45 aperture of channel on the spool face in Figure 10）On the same circumference of spool cavity, it is one that the spool, which outpours channel,
When spool is located at reflux state, one of channel A or channel B unicom poppet shaft heart channel are outpoured logical by axial channel connection spool
Road, spool, which outpours channel and corresponds to unicom mill base bucket channel, is collected to mill base bucket；Surplus next channel A or channel B passes through on spool
The mill base bucket channel that the access ramp of setting is directly communicated to spool cavity bottom end axis position is passed through mill base bucket；So that spool outpour it is logical
Road is located at when outpouring state, and channel A, which with channel B connects spool commonly through axial channel and outpours channel, to be outpoured.
As shown in Figure 10, big pump is equipped in valve body and imports and exports 42 and small pump inlet and outlet 43, is set in the axial channel 44 of spool
There are the first radial passage 45, the second radial passage 46 and third radial passage 47, one end of the axial channel 44 of spool is additionally provided with
Channel 48 is outpoured, the other end of spool is equipped with access ramp 49, and one end connection mill base bucket of access ramp 49 imports and exports 50, wherein, pump
When valve is in the reflux state of initial position, big pump inlet and outlet 42, small the 43, first radial passage of pump inlet and outlet 45, second are radially
In channel 46 and the axis of third radial passage 47 are generally aligned in the same plane, the first radial passage 45 and third radial passage 47 are coaxial
Line is set, and the first radial passage 45 and the second radial passage 46 are vertically arranged, and third radial passage 47 is parallel with outpouring channel 48
Setting, access ramp 49, the second radial passage 46 and the small axis for pumping inlet and outlet 43 are generally aligned in the same plane interior.As shown in Figure 10, it pumps
When valve is in the reflux state of initial position, donkey is detached from small pump inlet and outlet（Small pump housing）Before, pump strong inverse flow greatly is taken out
Inhale mill base, small pump low-resistance suction mill base；As shown in figure 11, valve rod rotates 90 degree from initial position, and large and small pump outpours color simultaneously
Slurry；As shown in figure 12, valve rod rotates 180 degree from initial position, and large and small pump is all in strong inverse flow aspiration phases；As shown in figure 13,
Inoperative position, this state do not use on product.
As shown in figure 14, big pump is equipped in valve body and imports and exports 51 and small pump inlet and outlet 52, is set in the axial channel 53 of spool
There are the first radial passage 54, the second radial passage 55 and third radial passage 56, one end of the axial channel 53 of spool is additionally provided with
Channel 57 is outpoured, the other end of spool is equipped with access ramp 58, and one end connection mill base bucket of access ramp 58 imports and exports 59, wherein, pump
When valve is in the reflux state of initial position, big pump inlet and outlet 51, small the 52, first radial passage of pump inlet and outlet 54, second are radially
In channel 55 and the axis of third radial passage 56 are generally aligned in the same plane, the first radial passage 54 and third radial passage 56 are coaxial
Line is set, and the first radial passage 54 and the second radial passage 55 be vertically arranged, and access ramp 58, the second radial passage 55 and is outpoured logical
In the axis in road 57 is generally aligned in the same plane.As shown in figure 14, when pump valve is in the reflux state of initial position, donkey is detached from
Small pump inlet and outlet（Small pump housing）Before, small pump strong inverse flow suction mill base is big to pump low-resistance suction mill base；As shown in figure 15, valve rod
90 degree are rotated from initial position, large and small pump outpours mill base simultaneously, and only this outpours working position；As shown in figure 16, valve rod from
Initial position is counter to be turn 90 degrees, this state does not use on product, but can be used for the inspection of hermetic seal of product；As shown in figure 17,
Valve rod rotates 180 degree from initial position, and large and small pump is all in strong inverse flow aspiration phases.
As shown in figure 18, big pump is equipped in valve body and imports and exports 60 and small pump inlet and outlet 61, is set in the axial channel 62 of spool
There are the first radial passage 63 and the second radial passage 64, one end of the axial channel 62 of spool, which is additionally provided with, outpours channel 65, spool
The other end be equipped with access ramp 66, access ramp 66 one end connection mill base bucket inlet and outlet 67, wherein, pump valve is in initial position
During reflux state, the axis of big pump inlet and outlet 60, small pump the 61, first radial passage 63 of inlet and outlet and the second radial passage 64 is located at
In same plane, the first radial passage 63 and the second radial passage 64 are perpendicular, outpour 65 and first radial passage 63 of channel and hang down
Straight setting, access ramp 66, the second radial passage 64 and outpour channel 65 axis be generally aligned in the same plane in.As shown in figure 18, it pumps
When valve is in the reflux state of initial position, donkey is detached from small pump inlet and outlet（Small pump housing）Before, small pump strong inverse flow is taken out
Mill base is inhaled, it is big to pump low-resistance suction mill base；As shown in figure 19, valve rod rotates 90 degree from initial position, and large and small pump outpours color simultaneously
It starches, only this outpours working position；As shown in figure 20, valve rod is turn 90 degrees from initial position is counter, this state on product not
It uses, but can be used for the inspection of hermetic seal of product；As shown in figure 21, valve rod rotates 180 degree from initial position, and big pump is returned in strong
Flow aspiration phases.
As shown in Fig. 1 and Figure 22, A mouthfuls of spool（That is big pump inlet and outlet or small pump in Figure 22 import and export one of them）With valve
B mouthfuls of core（That is big pump inlet and outlet or small pump in Figure 22 import and export one of them）It is arranged in parallel with spool chamber axis, the valve
It is two that core, which outpours channel, i.e.,（First in Figure 22, which outpours channel 76 and second, outpours channel 77）, respectively spool X outpours logical
Road and spool Y outpour channel, and spool X outpours channel and spool Y and outpours the axial channel that channel connects spool setting, and spool is located at
During reflux state, one of channel A or channel B unicom poppet shaft heart channel outpour channel by axial channel connection X and spool Y are noted
Go out channel, spool X outpours channel and spool Y outpours channel and corresponds to unicom mill base bucket channel and is collected to mill base bucket；It is surplus next logical
The mill base bucket channel that road A or channel B is directly communicated to spool cavity bottom end axis position by the access ramp set on spool is passed through
Mill base bucket；So that spool X outpours channel positioned at when outpouring state, one of channel A, channel B pass through axial channel and connect spool X notes
Go out channel；So that spool Y outpours channel positioned at when outpouring state, channel A connects spool Y with channel B commonly through axial channel
Channel is outpoured to outpour.
As shown in figure 22, valve body is equipped with big pump inlet and outlet 68, small pump inlet and outlet 69 and refluxing opening 70, the axle center of spool and leads to
Road 71 is equipped with the first radial passage 72, the second radial passage 73,74 and the 4th radial passage 75 of third radial passage, spool
One end of axial channel 71, which is additionally provided with first and outpours channel 76 and second, outpours channel 77, and the first diameter for outpouring channel 76 is more than
Second outpours the diameter of channel 77, and the other end of spool is additionally provided with the first access ramp 78 and the second access ramp 79, the first access ramp
78 and second one end of access ramp 79 80 connected with mill base bucket inlet and outlet, wherein, pump valve is in the reflux state of initial position
When, in the axis of the first radial passage 72, the second radial passage 73 and small pump inlet and outlet 69 is generally aligned in the same plane, third is radially logical
In the axis in road 74, the 4th radial passage 75 and big pump inlet and outlet 68 is generally aligned in the same plane, big pump inlet and outlet 68, small pump inlet and outlet
69th, in the first access ramp 78 and the axis of third radial passage 74 are generally aligned in the same plane, the first radial passage 72 and the second radial direction
Channel 73 is coaxially set, and 74 and the 4th radial passage 75 of third radial passage is vertically arranged, and first outpours channel 76 and second
It outpours channel 77 to be coaxially set, first, which outpours 76 and first radial passage 72 of channel, is arranged in parallel.As shown in figure 22, at pump valve
When the reflux state of initial position, donkey is detached from small pump inlet and outlet（Small pump housing）Before, pump strong inverse flow greatly aspirates color
Slurry, small pump low-resistance suction mill base；As shown in figure 23, valve rod rotates 90 degree from initial position, and large and small pump outpours mill base simultaneously；Such as
Shown in Figure 24, valve rod rotates 180 degree from initial position, this state does not use on product, but can be used for the sealing of product
It examines；As shown in figure 25, valve rod is turn 90 degrees from initial position is counter, and small pump outpours in a small amount, refluxing opening low-resistance suction mill base.
As shown in figure 26, valve body is equipped with big pump and imports and exports 81, small pump inlet and outlet 82 and refluxing opening 83, big pump inlet and outlet
81st, small pump imports and exports 82 and refluxing opening 83 is set gradually from front to back and axis is respectively positioned in same plane, and the axle center of spool leads to
Road 84 is equipped with the first radial passage 85, the second radial passage 86,87 and the 4th radial passage 88 of third radial passage, spool
One end of axial channel 84, which is additionally provided with first and outpours channel 89 and second, outpours channel 90, and the first diameter for outpouring channel 89 is more than
Second outpours the diameter of channel 90, and the other end of spool is additionally provided with 91 and the 5th radial passage 92 of access ramp, access ramp 91 and
One end of five radial passages 92 is connected with mill base bucket inlet and outlet 93, wherein, when pump valve is in the reflux state of initial position, the
In the axis of one radial passage 85, the second radial passage 86 and small pump inlet and outlet 82 is generally aligned in the same plane, third radial passage 87,
In the axis of 4th radial passage 88 and big pump inlet and outlet 81 is generally aligned in the same plane, the axis of access ramp 91 and big pump inlet and outlet 81
Axis be generally aligned in the same plane in, the first radial passage 85 and the second radial passage 86 are coaxially set, third radial passage 87
It is vertically arranged with the 4th radial passage 88, the diameter of third radial passage 87 is more than the diameter of the 4th radial passage 88, the first note
Go out channel 89 and second to outpour channel 90 and be coaxially set, first, which outpours 89 and first radial passage 85 of channel, is arranged in parallel, and
Five radial passages 92 and the first radial passage 85 are arranged in parallel.As shown in figure 26, when pump valve is in the reflux state of initial position,
Donkey is detached from small pump inlet and outlet（Small pump housing）Before, pump strong inverse flow suction mill base, small pump low-resistance aspirate mill base greatly；Such as figure
Shown in 27, valve rod rotates 90 degree from initial position, and large and small pump outpours mill base simultaneously；As shown in figure 28, valve rod turns from initial position
Dynamic 180 degree, this state does not use on product, but can be used for the inspection of hermetic seal of product；As shown in figure 29, valve rod is from initial
Position is counter to be turn 90 degrees, and small pump outpours in a small amount, refluxing opening low-resistance suction mill base.
As shown in figure 30, valve body is equipped with the big pump inlet and outlet 101 of connection combination pump and small pump inlet and outlet 102, pump greatly into
In the axis of outlet 101 and small pump inlet and outlet 102 is generally aligned in the same plane, the axial channel 103 of spool is radially logical equipped with first
Road 104, the second radial passage 105, third radial passage 106, the 4th radial passage 107 and the 5th radial passage 108, spool
One end of axial channel 103, which is additionally provided with first and outpours channel 109 and second, outpours channel 110, and first outpours the diameter of channel 109
The diameter that channel 110 is outpoured with second is identical, and the other end of spool is additionally provided with access ramp 111, and access ramp 111 is passed in and out with mill base bucket
Mouth 112 connects, wherein, when pump valve is in the reflux state of initial position, the first radial passage 104,105 and of the second radial passage
In the axis of big pump inlet and outlet 101 is generally aligned in the same plane, third radial passage 106, the 4th radial passage the 107, the 5th are radially logical
In road 108 and the axis of small pump inlet and outlet 102 are generally aligned in the same plane, the axis of access ramp 111 imports and exports 101 axis with big pump
In being generally aligned in the same plane, the first radial passage 104 and the second radial passage 105 are coaxially set, third radial passage 106 and the
Four radial passages 107 are vertically arranged, and 106 and the 5th radial passage 108 of third radial passage is coaxially set, and first outpours channel
109 and second outpour channel 110 and are coaxially set, and first, which outpours 109 and first radial passage 104 of channel, is arranged in parallel.Such as figure
Shown in 30, when pump valve is in the reflux state of initial position, donkey is detached from small pump inlet and outlet（Small pump housing）Before, small pump
Import and export 102 strong inverse flows suction mill base, big pump inlet and outlet 101 low-resistances suction mill base；As shown in figure 31, valve rod turns from initial position
90 degree dynamic, big pump inlet and outlet 101 and small pump inlet and outlet 102 largely outpour mill base simultaneously；As shown in figure 32, valve rod is from initial position
Counter to turn 90 degrees, big pump inlet and outlet 101 and small pump inlet and outlet 102 largely outpour mill base simultaneously；As shown in figure 33, valve rod is from initial bit
Rotation 180 degree is put, this state does not use on product, but can be used for the inspection of hermetic seal of product, and the two of said pump valve arrangement
A channel size that outpours is the same, and in normal use, outpours channel there are one spare equal to gathering around, channel is outpoured when one
After blocking, rotatable spool outpours channel guarantee using another and normally outpours.
As shown in figure 34, valve body is equipped with big pump and imports and exports 113 and small pump inlet and outlet 114, big pump inlet and outlet 113 and small pump
In the axis of inlet and outlet 114 is generally aligned in the same plane, the axial channel 115 of spool is equipped with the first radial passage 116, second radially
Channel 117,118 and the 4th radial passage 119 of third radial passage, one end of the axial channel 115 of spool is additionally provided with the first note
Go out channel 120 and second and outpour channel 121, the first diameter for outpouring channel 120 is less than the second diameter for outpouring channel 121, valve
The other end of core is additionally provided with the first access ramp 122 and the second access ramp 123, the first access ramp 122 and the second access ramp 123 with
Mill base bucket inlet and outlet 124 connection, wherein, when pump valve is in the reflux state of initial position, the first radial passage 116 and it is small pump into
In the axis of outlet 114 is generally aligned in the same plane, the second radial passage 117, third radial passage 118,119 and of the 4th radial passage
In the axis of big pump inlet and outlet 113 is generally aligned in the same plane, the axis of the first access ramp 122 imports and exports 113 axis position with big pump
In in same plane, the first radial passage 116 and the second radial passage 117 are arranged in parallel, 118 and the 4th diameter of third radial passage
It is vertically arranged to channel 119, the 119 coaxial setting of the second radial passage 117 and the 4th radial passage, first outpours channel 120
Channel 121 is outpoured with second to be coaxially set, first, which outpours 120 and second radial passage 117 of channel, is arranged in parallel.Such as Figure 34 institutes
Show, when pump valve is in the reflux state of initial position, donkey is detached from small pump inlet and outlet（Small pump housing）Before, big pump disengaging
Mouth 113 strong inverse flows suction mill base, small pump inlet and outlet 114 low-resistances suction mill base；As shown in figure 35, valve rod rotates 90 from initial position
Degree, big pump inlet and outlet 113 and small pump inlet and outlet 114 largely outpour mill base simultaneously；As shown in figure 36, valve rod is inverted from initial position
90 degree, big pump inlet and outlet 113 outpour mill base, small pump inlet and outlet 114 low-resistances suction mill base in a small amount；As shown in figure 37, valve rod is from first
Beginning position rotation 180 degree, this state does not use on product, but can be used for the inspection of hermetic seal of product.
As shown in Fig. 1 and Figure 38, A mouthfuls of spool（That is second in Figure 38 outpours aperture of the channel 98 on spool face）, valve
B mouthfuls of core（That is aperture of the access ramp 100 on spool face in Figure 38）, spool mill base bung hole（That is the mill base bucket disengaging in Figure 38
Mouth 96）And mill base outpours mouth（That is first in Figure 38, which outpours channel 97 and second, outpours channel 98）In the same circumference of spool cavity
On, the valve body is equipped with big pump and imports and exports 94 and small pump inlet and outlet 95, and spool outpours channel 97 equipped with first, second outpours
Channel 98 and radial passage 99, the end of spool are additionally provided with access ramp 100, one end connection mill base bucket inlet and outlet of access ramp 100
96, when pump valve is in initial position, inlet and outlet 94 are pumped greatly, small pump inlet and outlet 95, first outpour channel 97, second outpours channel 98
It is respectively positioned in same plane with the axis of radial passage 99.As shown in figure 38, it is small when pump valve is in the reflux state of initial position
Piston pump is detached from small pump inlet and outlet（Small pump housing）Before, pump strong inverse flow suction mill base, small pump low-resistance aspirate mill base greatly；Such as Figure 39
Shown, valve rod is turn 90 degrees from initial position is counter, big to pump low-resistance suction mill base, and small pump outpours mill base；As shown in figure 40, valve rod is from first
Beginning position rotates 90 degree, and large and small pump outpours mill base simultaneously；As shown in figure 41, valve rod rotates 180 degree, this shape from initial position
State does not use on product, but can be used for the inspection of hermetic seal of product.
The present embodiment is every according to this hair not to the limitation of works in any form such as shape, material, the structures of the present invention
Any simple modification, equivalent change and modification that bright technical spirit makees above example, belongs to the technology of the present invention side
The protection domain of case.
Claims (2)
1. strong inverse flow and size pump outpour compound pump valve to size pump simultaneously simultaneously, the size pump including piston structure, the piston
The size pump of structure is exactly that outlet bottom end in big pump housing sets a small pump housing, the big piston end in big pump housing
Valve piston is stretched out in face, and valve piston forms small pump with small pump housing, and big pump forms combination pump with small pump；And control size combination pump stream
Logical control valve, control valve include valve body and spool, the spool cavity for accommodating rotary spool are set in valve body, and spool is placed in spool chamber
In vivo；Channel A is set on valve body, channel A one end is connected with big pump, and channel B is set on valve body, and channel B one end is connected with remaining small pump,
The other end of channel A forms A mouthfuls of spool on spool cavity, and the channel B other ends form B mouthfuls of spool on spool cavity；Valve body
The mill base bucket channel that spool cavity is connected with mill base bucket is inside set, mill base bucket channel forms spool mill base bung hole on spool cavity；
Valve body is additionally provided with mill base and outpours mouth；Spool is set to outpour channel on spool, spool outpours channel and is placed in mill base spout position
Outpour thick liquid, it is characterised in that：Channel is set on the spool so that when spool outpours channel and is located at reflux state, lead to
Only unicom spool outpours channel for one of the A mouths of road A or the B mouths of channel B, and spool outpours channel unicom mill base bucket channel；It is remaining
One channel A or channel B on spool by setting channel to be directly communicated to mill base bucket channel；So that spool outpour channel be located at outpour
During state, one of channel A, channel B or spool is connected simultaneously outpour channel；
Described spool A mouthfuls with spool B mouthfuls be arranged in parallel with spool chamber axis, the spool outpours channel as two, respectively
Spool X outpours channel and spool Y outpours channel, and spool X, which outpours channel and spool Y and outpours channel and connect the axle center of spool setting, to be led to
Road, when spool is located at reflux state, one of channel A or channel B unicom poppet shaft heart channel are outpoured logical by axial channel connection X
Road and spool Y outpour channel, and spool X outpours channel and spool Y outpours channel and corresponds to unicom mill base bucket channel and is collected to mill base bucket；
Surplus next channel A or channel B is directly communicated to the mill base at spool cavity bottom end axis position by the access ramp set on spool
Bucket channel is passed through mill base bucket；So that spool X outpours channel positioned at when outpouring state, channel A, channel B are commonly through axial channel
Connection spool X outpours channel；So that spool Y outpours channel positioned at when outpouring state, channel A and channel B lead to commonly through axle center
Road connection spool Y outpours channel and outpours.
2. strong inverse flow and size pump outpour compound pump valve to size pump according to claim 1 simultaneously simultaneously, it is characterised in that：
Valve body is equipped with inlet and outlet and the small inlet and outlet greatly of connection combination pump, and the axis of big inlet and outlet and small inlet and outlet is generally aligned in the same plane
It is interior, the axial channel of spool be equipped with the first radial passage, the second radial passage, third radial passage, the 4th radial passage and
5th radial passage, one end of the axial channel of spool, which is additionally provided with first and outpours channel and second, outpours channel, first outpour it is logical
The diameter that the diameter in road outpours channel with second is identical, and the other end of spool is additionally provided with access ramp, and access ramp is passed in and out with mill base bucket
Mouthful connection, wherein, when pump valve is in original state, the first radial passage, the second radial passage and the axis imported and exported greatly are located at
In same plane, third radial passage, the 4th radial passage, the 5th radial passage and small inlet and outlet axis be generally aligned in the same plane
Interior, in the axis of access ramp and the axis imported and exported greatly are generally aligned in the same plane, the first radial passage and the second radial passage are coaxial
Line is set, and third radial passage and the 4th radial passage are vertically arranged, and third radial passage and the 5th radial passage coaxial line are set
It puts, first, which outpours channel and second, outpours channel and be coaxially set, and first outpours channel and the first radial passage is arranged in parallel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711400496.1A CN108194300B (en) | 2017-12-22 | 2017-12-22 | Composite pump valve with simultaneous strong backflow of large pump and small pump and simultaneous injection of large pump and small pump |
| PCT/CN2018/122960 WO2019120306A1 (en) | 2017-12-22 | 2018-12-22 | Composite pump valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711400496.1A CN108194300B (en) | 2017-12-22 | 2017-12-22 | Composite pump valve with simultaneous strong backflow of large pump and small pump and simultaneous injection of large pump and small pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108194300A true CN108194300A (en) | 2018-06-22 |
| CN108194300B CN108194300B (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711400496.1A Active CN108194300B (en) | 2017-12-22 | 2017-12-22 | Composite pump valve with simultaneous strong backflow of large pump and small pump and simultaneous injection of large pump and small pump |
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| Country | Link |
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| CN (1) | CN108194300B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019120306A1 (en) * | 2017-12-22 | 2019-06-27 | 郑州三华科技实业有限公司 | Composite pump valve |
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| EP2974788A1 (en) * | 2013-03-15 | 2016-01-20 | Shen, Ruhua | Fluid adjusting device |
| WO2016095865A1 (en) * | 2014-12-19 | 2016-06-23 | 郑州三华科技实业有限公司 | Color paste pump capable of both massive injection and micro injection |
| CN105736354A (en) * | 2014-12-12 | 2016-07-06 | 博世包装技术（杭州）有限公司 | Piston pump with rotating valve and liquid medicine filling machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4027785A (en) * | 1976-04-12 | 1977-06-07 | Chicago Commutator, Inc. | Dual pump colorant dispenser |
| CN1862064A (en) * | 2005-02-04 | 2006-11-15 | 流体管理运转有限公司 | Valve assembly |
| EP2974788A1 (en) * | 2013-03-15 | 2016-01-20 | Shen, Ruhua | Fluid adjusting device |
| CN105736354A (en) * | 2014-12-12 | 2016-07-06 | 博世包装技术（杭州）有限公司 | Piston pump with rotating valve and liquid medicine filling machine |
| WO2016095865A1 (en) * | 2014-12-19 | 2016-06-23 | 郑州三华科技实业有限公司 | Color paste pump capable of both massive injection and micro injection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019120306A1 (en) * | 2017-12-22 | 2019-06-27 | 郑州三华科技实业有限公司 | Composite pump valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108194300B (en) | 2020-02-11 |
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Inventor after: Wang Baosong Inventor after: Liu Zhicheng Inventor after: Huang Song Inventor before: Wang Baosong Inventor before: Huang Song |
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