CN107859760A - A kind of two-way shut-off valve - Google Patents
A kind of two-way shut-off valve Download PDFInfo
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- CN107859760A CN107859760A CN201711305577.3A CN201711305577A CN107859760A CN 107859760 A CN107859760 A CN 107859760A CN 201711305577 A CN201711305577 A CN 201711305577A CN 107859760 A CN107859760 A CN 107859760A
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- valve body
- flow inlet
- valve
- outflow port
- fluid
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- 239000012530 fluid Substances 0.000 claims abstract description 115
- 238000004891 communication Methods 0.000 claims description 40
- 238000007789 sealing Methods 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 21
- 238000010276 construction Methods 0.000 abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 59
- 230000003068 static effect Effects 0.000 description 19
- 230000009471 action Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 12
- 230000005484 gravity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention discloses a kind of two-way shut-off valve, and it includes：One valve body, a switching device, it is arranged on the valve body, carries out opening and closing operation；One first flow inlet and one second flow inlet, it is arranged in the valve body, is connected with the switching device；One first outflow port and one second outflow port；One first passage, it is arranged on the valve body, is connected with first flow inlet and first outflow port；One second channel, it is arranged on the valve body, is connected with second flow inlet and second outflow port；First flow inlet and second flow inlet are respectively arranged with one-way flow device, prevent fluid from reversely flowing out；First outflow port and second flow inlet are respectively arranged with the one-way flow device, prevent fluid from reversely flowing into；First flow inlet connects with second flow inlet.Flow direction can be switched according to demand, and the leakage of fluid will not be produced；Simple in construction, it is convenient to realize.
Description
Technical field
The present invention relates to stop valve technical field, and in particular to a kind of two-way shut-off valve.
Background technology
Two position two-way valve on the market at present；Fluid enters from left end, because seal bears spring downward pressure and stream
The body pressure downward to seal, seal and the hole of lower section is set to keep sealing, fluid can not flow out from right side；Work as electromagnetic wire
After circle is powered, magnetic force is produced, core assembly adhesive is got on (F adhesive ＞ F springs), fluid is flowed to by hole below seal
Right side；Fluid can also enter from right-hand member, but when right-hand member Fluid pressure be more than spring pressure+left side Fluid pressure when
Wait, seal will not play a part of sealing and leakage phenomenon occurs.
In other words, the fluid disengaging in existing two position two-way valve has fixed direction, in reverse fluid flow, holds
It is also easy to produce leakage phenomenon；Switch the purpose of flow direction according to demand, it is necessary to two existing bi-bit bi-pass electromagnetism to realize
Valve enters outlet differential concatenation on pipeline, and increasing the quantity of valve also increases power consumption, complicated.
In view of drawbacks described above, creator of the present invention obtains the present invention finally by prolonged research and practice.
The content of the invention
To solve above-mentioned technological deficiency, the technical solution adopted by the present invention is, there is provided a kind of two-way shut-off valve, it is wrapped
Include：
One valve body,
One switching device, it is arranged on the valve body, carries out opening and closing operation；
One first flow inlet and one second flow inlet, it is arranged in the valve body, is connected with the switching device；
One first outflow port and one second outflow port, it is arranged in the valve body, is connected with the switching device, in institute
In the case of stating switching device opening, with first flow inlet, the second flow inlet connection；Closed in the switching device
In the case of, with first flow inlet, second flow inlet disconnects；
One first passage, it is arranged on the valve body, is connected with first flow inlet and first outflow port；
One second channel, it is arranged on the valve body, is connected with second flow inlet and second outflow port；
First flow inlet and second flow inlet are respectively arranged with one-way flow device, prevent fluid reverse flow
Go out；
First outflow port and second flow inlet are respectively arranged with the one-way flow device, prevent that fluid is reverse
Flow into；
First flow inlet connects with second flow inlet.
Preferably, the switching device includes an actuating mechanism and a mouth of pipe, the mouth of pipe and first outflow port, institute
State the connection of the second outflow port；The actuating mechanism is connected with first flow inlet, second flow inlet, and ON/OFF is beaten in generation
Close action；The actuating mechanism end leans the mouth of pipe.
Preferably, the valve body includes upper valve body, middle valve body and lower valve body, the upper valve body, the middle valve body and described
Lower valve body is fixedly connected.
Preferably, first flow inlet, second flow inlet are arranged in the upper valve body, lower end is passed on described
The lower surface of valve body；First outflow port, second outflow port, upper end are arranged in the upper valve body, and lower end passes institute
The lower surface of upper valve body is stated, and runs through the middle valve body, the mouth of pipe runs through the upper valve body and the middle valve body.
Preferably, the upper valve body lower surface is provided with valve chamber, four valve chambers are separately positioned on first influent stream
Mouth passes the opening position of the upper valve body, second flow inlet passes the opening position of the upper valve body, first outflow port
Pass the opening position of the upper valve body, second outflow port passes the opening position of the upper valve body, the list corresponding to receiving
To circulation device.
Preferably, the valve chamber upper end corresponding to first flow inlet, second flow inlet offers communication port, institute
State the fluid that communication port is used to circulate in first flow inlet, second flow inlet, the middle valve body upper surface is to should
Valve chamber opening position is provided with fixed lobe.
Preferably, the one-way flow device includes valve block and valve block spring, the valve block spring one end is set in described
On fixed lobe, it is socketed on the inside of the other end and valve block, for against the valve block；The valve block disconnects against the communication port
The circulation of the fluid.
Preferably, the valve block is inlaid with cushion towards the side of the communication port.
Preferably, the communication port is outstanding towards the side of the valve block, it can so strengthen sealing effectiveness.
Preferably, being provided with sealing gasket between the upper valve body and the middle valve body, the sealing gasket at least has one
Hole, first flow inlet is passed into the opening position of the upper valve body, second flow inlet passes the position of the upper valve body
The place of putting, first outflow port pass the opening position of the upper valve body, second outflow port passes the position of the upper valve body
Place, the mouth of pipe pass in the opening position of the upper valve body at least one at around seal.
Compared with the prior art the beneficial effects of the present invention are：Flow direction (fluid can be switched at any time according to demand
The small side of the big lateral Fluid pressure of pressure), and when switching device is closed, the leakage of fluid will not be produced；Structure letter
Single, it is convenient to realize.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in various embodiments of the present invention
The accompanying drawing used is briefly described.
Fig. 1 is the schematic diagram of two-way stop valve closed mode of the present invention；
Fig. 2 is the schematic diagram of two-way shut-off valve open mode of the present invention；
Fig. 3 is the schematic diagram of two-way shut-off valve embodiment six of the present invention；
Fig. 4 is the explosive view one of two-way shut-off valve of the present invention；
Fig. 5 is the explosive view two of two-way shut-off valve of the present invention；
Fig. 6 is the enlarged drawing of two-way shut-off valve local I of the present invention；
Fig. 7 is the structure chart of two-way stop valve plunger of the present invention；
Fig. 8 is the top view of two-way shut-off valve of the present invention；
Fig. 9 is two-way shut-off valve A-A of the present invention sectional view；
Figure 10 is two-way shut-off valve B-B of the present invention sectional view；
Figure 11 is two-way shut-off valve C-C of the present invention sectional view；
Figure 12 is two-way shut-off valve E-E of the present invention sectional view；
Figure 13 is two-way shut-off valve local I I of the present invention enlarged drawing.
Embodiment
Below in conjunction with accompanying drawing, the forgoing and additional technical features and advantages are described in more detail.
Embodiment 1
As shown in Figure 1 and Figure 2, it is；Wherein, the two-way shut-off valve includes：
One valve body 3,
One switching device 4, it is arranged on the valve body 3, carries out opening and closing operation；
One first flow inlet 11 and one second flow inlet 21, it is arranged in the valve body 3, is connected with the switching device 4
It is logical；
One first outflow port 12 and one second outflow port 22, it is arranged in the valve body 3, is connected with the switching device 4
Logical, in the case where the switching device 4 is opened, with first flow inlet 11, second flow inlet 21 connects；Described
In the case that switching device 4 is closed, with first flow inlet 11, second flow inlet 21 disconnects；
One first passage 1, it is arranged on the valve body 3, with first flow inlet 11 and first outflow port 12
Connection；
One second channel 2, it is arranged on the valve body 3, with second flow inlet 21 and second outflow port 22
Connection；
First flow inlet 11 and second flow inlet 21 are respectively arranged with one-way flow device 5, prevent that fluid is anti-
To outflow；
First outflow port 12 and second flow inlet 21 are respectively arranged with the one-way flow device 5, anti-fluid stopping
Body reversely flows into.
For convenience, one-way flow device 5 is referred to as inner side by us towards the side of switching device 4, backwards to switch
The side of device 4 (towards the second channel 2 of first passage 1/) is referred to as outside, so, the first flow inlet 11 and the second flow inlet 21
The fluid that interior one-way flow device 5 can to pass through is only capable of flowing to inner side from outside；First outflow port 12 and the second outflow port
One-way flow device 5 in 22 can cause fluid to be only capable of from its inner side flow direction outside.
So, if entering fluid from first passage 1, the fluid can enter the first influent stream connected with first passage 1
The outflow port 12 of mouth 11 and first, due to being provided with one-way flow device 5 at the first outflow port 12, fluid can be blocked in unidirectional stream
The outside of exchange device 5；, then can be by one-way flow device 5 therein, until touching out into the fluid of the first flow inlet 11
Untill closing device 4；So, in the case where not opening switching device 4, fluid is blocked in the side for the device that opens the light, and will not
Generation Fluid pressure is excessive and produces the situation for leaking to second channel 2；If wherein the first flow inlet 11 and the second flow inlet 21
Do not isolate strictly, then fluid will also pass through the first flow inlet 11 into the second flow inlet 21, due to single in the second flow inlet 21
Presence to circulation device 5, fluid can be blocked in the inner side of one-way flow device 5, will not enter and connect with the second flow inlet 21
Logical second channel 2；In the case, switch is opened, then fluid meeting (passing through switching device 4) is into the first outflow port 12 and the
Two outflow ports 22；Now, at the first outflow port 12, fluid can enter the first outflow port 12 and contact one-way flow device 5
Inner side, now, in the outside of this one-way flow device 5, also assemble from first passage 1 and enter the first outflow port 12 but unidirectional
The fluid that circulation device 5 stops, for this one-way flow device 5, fluid on the outside of it due to circulating direction etc. (
It may be considered that to make fluid flow to second channel 2 from first passage 1, then the pressure of fluid is greater than in first passage 1
The pressure of fluid in second channel 2), caused pressure is greater than pressure caused by fluid on the inside of it, and the pressure differential can compel
Remain off one-way flow device 5 so that the fluid of the inner side of one-way flow device 5 can not flow to outside；Now, exist
At second outflow port 22, fluid can enter the second outflow port 22 and contact the inner side of one-way flow device 5, due to the one-way flow
The outside of device 5 is vacant (or pressure is less than the pressure of inner side) and fluid circulating direction positive (i.e. circulating direction and unidirectional stream
The direction of the permission liquid communication of exchange device 5 is identical), the one-way flow device 5 is opened, and fluid is after the one-way flow device 5
Flowed out from the second outflow port 22, into second channel 2.
Fluid enters after second channel 2, can enter along the connector of second channel 2 and the second flow inlet 21 into second
Head piece 21, and contact the outside of the one-way flow device 5 of the second flow inlet 21；Now, the inner side of the one-way flow device 5,
Assemble the fluid for entering the second flow inlet 21 from the first flow inlet 11, the fluid on the inside of it is due to circulating direction etc.
(it is also possible that thinking, to make fluid flow to second channel 2 from first passage 1, then the pressure of fluid will in first passage 1
More than the pressure of fluid in second channel 2), caused pressure is greater than pressure, the pressure differential caused by fluid on the outside of it
Direction and this one-way flow device 5 forward direction on the contrary, one-way flow device 5 can be forced to remain off so that this is unidirectional
The fluid in the outside of circulation device 5 can not flow to inner side.
, whereas if fluid flows into first passage 1 from second channel 2, its detailed process is relative with said process.
So, can switch at any time according to demand flow direction (the big lateral Fluid pressure of Fluid pressure it is small one
Side), and when switching device 4 is closed, the leakage of fluid will not be produced；Simple in construction, it is convenient to realize.
Wherein, the fluid can be liquid, or gas, be selected according to actual conditions.
Embodiment 2
Two-way shut-off valve as described above, the present embodiment are different from part and are, it is dynamic that the switching device 4 includes one
Make the mouth of pipe 42 of mechanism 6 and one, the mouth of pipe 42 connects with first outflow port 12, second outflow port 22；The action
Mechanism 6 connects with first flow inlet 11, second flow inlet 21, produces opening/closing motion；The actuating mechanism 6
End is connected with the mouth of pipe 42, and after closing motion is produced, the end of actuating mechanism 6 leans the mouth of pipe 42, is made described
The mouth of pipe 42 is closed.
So, after the actuating mechanism 6 produces opening action, the mouth of pipe 42 is left in the end of actuating mechanism 6, makes
The mouth of pipe 42 is open-minded, and first flow inlet 11, second flow inlet 21 and first outflow port 12, described second go out
Stream connection；After the actuating mechanism 6 produces closing motion, the end of actuating mechanism 6 leans the mouth of pipe 42, makes the pipe
Mouth 42 is closed, and first flow inlet 11, second flow inlet 21 go out stream with first outflow port 12, described second and broken
Open.
The switching device 4 can be open type switching device 4, and so, the actuating mechanism 6 stays open action,
After receiving outer signals, closing motion is produced, first flow inlet 11, second flow inlet 21 is gone out stream with described first
Mouth 12, described second go out stream and disconnected.
The switching device 4 can also be normally closed switch device 4, and so, the actuating mechanism 6 remains turned-off action,
After outer signals are received, opening action is produced, first flow inlet 11, second flow inlet 21 is gone out with described first
Head piece 12, described second go out stream connection.
Embodiment 3
Two-way shut-off valve as described above, the present embodiment are different from part and are, first flow inlet 11 and the
Two flow inlets 21 are connections, so simple in construction, and first flow inlet 11 in the second flow inlet 21 with being respectively provided with
One-way flow device 5, is prevented because of connection and issuable fluid leakage.
Embodiment 4
Two-way shut-off valve as described above, the present embodiment are different from part and are, first flow inlet 11 and institute
State the second flow inlet 21 to be mutually isolated, so, can directly prevent the fluid flowed into from the flow inlet 21 of the first flow inlet 11/ second
Revealed from the flow inlet 11 of the second flow inlet 21/ first；And need not be described in first flow inlet 11/ in second flow inlet 21
One-way flow device 5 is set.It is simple in construction, it is easy to use.
Embodiment 5
Two-way shut-off valve as described above, the present embodiment are different from part and are that the actuating mechanism 6 includes：It is dynamic
Iron core 61, coil 62, spring 63 and nut 64；The coil 62 is arranged on the valve body 3 of the two-way shut-off valve, in internal
It is empty；The nut 64 is fixed on one end of the coil 62；The dynamic iron core 61 is arranged on the hollow inside of the coil 62, and
One end is against the mouth of pipe 42；Described one end of spring 63 is fixed on the nut 64, and the other end is fixed on the dynamic iron core 61
On, reset the dynamic iron core 61.
So, when in use, the dynamic iron core 61 makes first flow inlet 11, described second against the mouth of pipe 42
Flow inlet 21 disconnects with first outflow port 12, second outflow port 22；It is logical to the coil 62 when needing connection
Electricity, produce electromagnetic field；The dynamic iron core 61 leaves the mouth of pipe 42 in the presence of the electromagnetic field, and compression spring 63 is to institute
State nut 64 to move, so that first flow inlet 11, second flow inlet 21 and first outflow port 12, described
Second outflow port 22 connects；After energization, electromagnetic field caused by coil 62 disappears, and the dynamic iron core 61 is in the spring 63
Effect is lower to be resetted, and against the mouth of pipe 42, makes first flow inlet 11, second flow inlet 21 and first outflow port
12nd, second outflow port 22 disconnects.
So, the break-make of the first passage 1 and second channel 2 can be controlled by being powered；It is simple in construction, controlling party
Just, only needing a component can control valve both ends fluid disengaging of magnet coil 62, (the big lateral pressure of pressure is low once
Flowing)；And the control of the valve of big orifice (big flow) is realized by low-power coil 62.
Wherein, one end that the dynamic iron core 61 is fixed with the spring 63 has groove 611, to deposit the spring of compression
63；Play position-limiting action simultaneously (against after nut 64, dynamic iron core 61 reaches extreme higher position at the edge of groove 611).
The dynamic iron core 61 is placed vertically, and its upper end is fixed with the spring 63；So, the dynamic iron core 61 is when resetting
By the collective effect of gravity and the elastic force of spring 63, it is convenient to reset, and can be after the failure of spring 63 due to Action of Gravity Field
Automatically reset, improve service life.
Embodiment 6
Two-way shut-off valve as described above, the present embodiment is different from part and is, as shown in figure 3, the action machine
Structure 6 includes：Motor 66, push rod 67 and fixed cover 68；The fixation is set on the valve body 3 of the two-way shut-off valve, internal
It is hollow；The motor is arranged on one end of the fixed cover；Described push rod one end is against the mouth of pipe 42, and the other end is described in
The inner hollow of fixed cover and the motor connection, are acted under the drive of the motor.
So, when in use, when needing to disconnect, push rod described in the motor driven makes described against the mouth of pipe 42
First flow inlet 11, second flow inlet 21 and first outflow port 12, second outflow port 22 disconnect；Needing to connect
When logical, push rod described in the motor driven leaves the mouth of pipe 42, make first flow inlet 11, second flow inlet 21 with
First outflow port 12, second outflow port 22 connect.
So, according to being actually needed so that first flow inlet 11, second flow inlet 21 go out stream with described first
Mouth 12, second outflow port 22 are connected/disconnected；It is simple in construction, it is easy to use.
The actuating mechanism 6 also includes sealing gasket 34, and the sealing gasket 34 is arranged in the fixed cover, to the push rod
Space between the fixed cover is sealed, and prevents fluid leakage.
Embodiment 7
Two-way shut-off valve as described above, the present embodiment are different from part and are that the actuating mechanism 6 is pilot-operated type
Structure, so, during energization, electromagnetic force opens pilot hole, upper chamber's rapid pressure drop, is formed around closure member low
High pressure difference, Fluid pressure promote closure member to move up, and valve is opened；During power-off, the power of spring 63 is guide's bore closure, entrance
Pressure enters chamber by by-pass prot, it is low under being formed around the closure member high pressure difference, Fluid pressure promotes closure member downward
It is mobile, close valve.
So, it small power consumption, can frequently be powered, be powered for a long time without burning, and save；On fluid pressure range
Limit is higher, and can realize more precise control effect.
Embodiment 8
Two-way shut-off valve as described above, the present embodiment are different from part and are, the one-way flow device 5 is single
It is so simple in construction to valve, it is easy to use.
Embodiment 9
Two-way shut-off valve as described above, the present embodiment are different from part and are, as shown in the figure 4-13, the action
Mechanism 6 also includes static iron core 65, and the static iron core 65 is connected on the valve body 3.
For one end card machine of static iron core 65 on the valve body 3, the other end has external screw thread, connects with the screw thread of nut 64
Connect.
The coil 62 is set on the static iron core 65, and one end is resisted against on the valve body 3, and the other end is against the spiral shell
Mother 64, by screwing for nut 64, is fixed on the static iron core 65.
The side of coil 62 is provided with attaching plug, and for being connected with extraneous power supply, coil 62 is powered.
Wherein, the coil 62 is coaxially disposed with the static iron core 65.
Wherein, the part that the static iron core 65 is arranged with the coil 62, since with externally threaded one end, outer wall is straight
The stepped increase in footpath, so it is easy to coil 62 being set on static iron core 65, is easily installed and dismantles；The static iron core 65 should
The maximum gauge of outer wall is identical with the inner diameter of the coil 62；So, the static iron core 65 part maximum gauge
Outer wall be bonded with the inwall of the coil 62, to ensure that the static iron core 65 and the coil 62 are coaxial, prevent the coil
62 rock relative to the static iron core 65；Then the nut 64 is screwed, it is possible to fix the coil 62.
One end of valve body 3 described in the clamping of static iron core 65 sets grooved hole 651, the one end open of slotted eye 651；It is described
Dynamic iron core 61 is slidably mounted in the slotted eye 651, along sliding axially for the slotted eye 651.
The outer wall of the dynamic iron core 61 is bonded with the inwall of slotted eye 651, so prevents the dynamic iron core 61 in the groove
When being slided in hole 651, movement is produced in the radial direction of slotted eye 651.
Wherein, the cross section of the slotted eye 651 can be square or other shapes, as long as the dynamic iron core 61 can be along
The slip that the slotted eye 651 is well on.
The shape of cross section of dynamic iron core 61 matches with the cross section of slotted eye 651.
Wherein, the slotted eye 651 is cylinder, its towards the one end open of the valve body 3, be easy to the dynamic iron core 61 from
This is open slides to valve body 3.
The dynamic iron core 61 and the static iron core 65 are coaxially disposed, and are so easy to the dynamic iron core 61 to slide.
The side wall of dynamic iron core 61 sets fluted 611, and the groove 611 penetrates the both ends of dynamic iron core 61, so, institute
When stating dynamic iron core 61 and being slidably fitted in the slotted eye 651, the both ends of dynamic iron core 61 keep connection.
Embodiment 10
Two-way shut-off valve as described above, the present embodiment is different from part and is, as shown in Fig. 4-13, the valve body
3 include upper valve body 31, middle valve body 32 and lower valve body 33, and the upper valve body 31, the middle valve body 32 and the lower valve body 33 pass through
Mode connects for screw is fixed together, and is so easy to process, assembly and disassembly.
Sealing gasket 34 is provided between the upper valve body 31 and the middle valve body 32, prevents the fluid leakage.
Sealing ring 35 is provided between the middle valve body 32 and the lower valve body 33, prevents the fluid leakage.
First flow inlet 11, second flow inlet 21 are arranged in the upper valve body 31, and lower end is passed on described
The lower surface of valve body 31.
First outflow port 12, second outflow port 22, upper end are arranged in the upper valve body 31, and lower end passes institute
The lower surface of upper valve body 31 is stated, and runs through the middle valve body 32.
The mouth of pipe 42 runs through the upper valve body 31 and the middle valve body 32, and the upper surface of upper valve body 31 is provided with clamping
Notch 36, the actuating mechanism 6 (static iron core 65) are connected to the clamping slot 36；The upper end of the mouth of pipe 42 is arranged on the card
In access slot mouth 36, the mouth of pipe 42, the clamping slot 36 connects with the slotted eye 651 of the static iron core 65.
The lower end of the dynamic iron core 61 is resisted against the upper end of the mouth of pipe 42, disconnects the mouth of pipe 42 and the clamping slot 36
Connection.
It is provided with intercommunicating pore 311 in the upper valve body 31, described one end of intercommunicating pore 311 and first flow inlet 11/ the
Two flow inlets 21 are connected, and the other end is arranged in the clamping slot 36, by clamping slot 36 and first flow inlet 11/ the
Two flow inlets 21 connect.
The lower surface of middle valve body 32 is provided with lower end, the institute of connectivity slot 321, the connectivity slot 321 and the mouth of pipe 42
State the lower end connection of the lower end, second outflow port 22 of the first outflow port 12.
The first passage 1 and second channel 2 are arranged in the upper valve body 31, and the first passage 1 penetrates described
The upper end of one flow inlet 11 and the first outflow port 12, and passed from the side of upper valve body 31；The second channel 2 penetrates described
The upper end of second flow inlet 21 and the second outflow port 22, and passed from the side of the upper valve body 31.
The lower surface of the upper valve body 31 is provided with gasket slot 312, described close (also with positioning action) for accommodating
Packing 34；The sealing gasket 34 at least has a hole, and first flow inlet 11 is passed to the position of the upper valve body 31
Place, second flow inlet 21 passes the opening position of the upper valve body 31, first outflow port 12 passes the upper valve body 31
Opening position, second outflow port 22 passes the opening position of the upper valve body 31, the mouth of pipe 42 passes the upper valve body 31
Opening position at least one at around seal, prevent fluid at this along the lower surface of upper valve body 31 and the middle valve body 32
The contact portion leakage of upper surface.
On the basis of the above, recommend the sealing gasket 34 that five holes are set, passed respectively with first flow inlet 11
The opening position of the upper valve body 31, second flow inlet 21 pass the opening position of the upper valve body 31, first outflow port
12 pass the opening position of the upper valve body 31, second outflow port 22 passes the opening position of the upper valve body 31, the mouth of pipe
42 pass the upper valve body 31 opening positions it is corresponding, will be sealed around position at five, prevent fluid leakage (leakage include from
One opening position leaks to the external world, and leaks to another opening position from an opening position).
The lower surface of the middle valve body 32 is provided with seal groove 322, described close (also with positioning action) for accommodating
Seal 35；The sealing ring 35 is arranged on around the connectivity slot 321, is contacted admittedly with the lower valve body 33 in the middle valve body 32
After fixed, the upper surface of sealing ring 35 extrudes the inwall of seal groove 322, and lower surface extrudes the upper surface of lower valve body 33,
Prevent the fluid leakage in the connectivity slot 321.
The lower surface of upper valve body 31 is provided with valve chamber 7, and four valve chambers 7 are separately positioned on first flow inlet 11
Pass the opening position of the upper valve body 31, second flow inlet 21 passes the opening position of the upper valve body 31, described first goes out
Head piece 12 passes the opening position of the upper valve body 31, second outflow port 22 passes the opening position of the upper valve body 31, accommodates
Corresponding one-way flow device 5 (check valve).
The upper end of valve chamber 7 offers communication port 71, institute corresponding to first flow inlet 11, second flow inlet 21
Communication port 71 is stated for the fluid in circulate first flow inlet 11, second flow inlet 21, the middle upper end of valve body 32
In face of should the opening position of valve chamber 7 be provided with fixed lobe 72.
The upper end of valve chamber 7 offers fixed lobe 72 corresponding to first outflow port 12, second outflow port 22,
The upper surface of middle valve body 32 to should the opening position of valve chamber 7 be provided with communication port 71, the communication port 71 is used to circulating described the
Fluid in one outflow port 12, second outflow port 22.
The one-way flow device 5, can be check valve or other play the dress such as the valve in restricted circulation direction
Put.
The check valve includes valve block 51 and valve block spring 52, and described one end of valve block spring 52 is set in the fixed lobe
On 72, the inner side of the other end and valve block 51 is socketed, for against the valve block 51；The valve block 51 breaks against the communication port 71
Open the circulation of the fluid.
Wherein, the valve block 51 is inlaid with cushion 53, can so reach more preferable towards the side of the communication port 71
Sealing effectiveness.
The communication port 71 is outstanding towards the side of the valve block 51, can so strengthen sealing effectiveness.
The spring 63 is cylindrical barrel, and its inside diameter is identical with the outside diameter of the fixed lobe 72, so,
When the spring 63 is set on the fixed lobe 72, stable connection, and will not move radially.
The outside diameter of the spring 63 is identical with the inside diameter of the valve block 51, and so, the spring 63 is against institute
State the side of valve block 51 and the valve block 51 is combined and consolidated.
The mouth of pipe 42 is provided with annular protrusion 421 with one end that the dynamic iron core 61 contacts, and strengthens sealing effect；It is described
Dynamic iron core 61 is provided with circular protrusions 612 with the end face that the mouth of pipe 42 contacts, and strengthens sealing effect；The circular projection it is straight
Footpath is more than the diameter of the mouth of pipe 42, and less than the diameter of the dynamic iron core 61, so as to strengthen sealing effect.
So, after first passage 1 is passed through fluid, the fluid enters in upper valve body 31 simultaneously by first passage 1
First flow inlet 11 and the first outflow port 12；Into the fluid of the first outflow port 12, the first outflow port 12 can be directly entered and set
In the valve chamber 7 of upper valve body 31, and the valve chamber 7 is full of, in the valve chamber 7, valve block spring 52 pushes downwards valve block 51, is resisted against stream
On port 71, fluid is (downward) mobile along the direction for flowing into communication port 71, and fluid force is with valve block spring 52 to valve block 51
Force direction is identical (downward), valve block 51 is more firmly abutted against in communication port 71, forms sealing effect, fluid quilt
It is blocked in valve chamber 7；Into the fluid of the first flow inlet 11, the valve that the first flow inlet 11 is arranged on the upper valve body 31 can be passed through
In room 7, in the valve chamber 7, valve block spring 52 pushes valve block 51 upwards, is resisted against in communication port 71, fluid edge outflow communication port 71
Direction it is (downward) mobile, fluid force (downward) and valve block spring 52 to the active force (upward) of valve block 51 in the opposite direction,
With the increase of Fluid pressure, valve block 51 by communication port 71 (downward) top open and compress the valve block spring 52, fluid enters
Enter the valve chamber 7, and entered by intercommunicating pore 311 in clamping slot 36, and be progressively full of clamping slot 36.
Assuming that in clamping slot 36 now, dynamic iron core 61 is resisted against on the mouth of pipe 42, then a part of fluid can pass through connection
Hole 311 enters the second flow inlet 21, and another part fluid can be by the groove 611 of the side wall of dynamic iron core 61, into dynamic iron core 61
In the space that the slotted eye 651 of end and static iron core 65 surrounds；Into the fluid of the second flow inlet 21, the second flow inlet can be initially entered
21 are arranged in the valve chamber 7 of upper valve body 31, and are full of the valve chamber 7, and in the valve chamber 7, valve block spring 52 pushes valve block 51 upwards, supports
Lean against in communication port 71, fluid is (upward) mobile along the direction for flowing into communication port 71, and fluid force is with valve block spring 52 to valve
The force direction of piece 51 is identical (upward), valve block 51 is more firmly abutted against in communication port 71, forms sealing effect,
Fluid is blocked in the valve chamber 7；Into the fluid of the upper end of dynamic iron core 61, can be full of together with the fluid in clamping slot 36
In the space that whole clamping slot 36, the slotted eye 651 of static iron core 65 surround, in the space, dynamic iron core 61 can be squeezed by fluid
Active force under pressing to, the influence of the gravity of dynamic iron core 61, it is tightly abutted against on the mouth of pipe 42, forms closing；Now, fluid is hindered
Gear.
Switch is opened, it is necessary to be powered to coil 62, coil 62 produces magnetic field, upward effect of the dynamic iron core 61 in magnetic field
Under power, move up, while leave the mouth of pipe 42, fluid is flowed into the mouth of pipe 42；Fluid flows out from the lower end of the mouth of pipe 42, along middle valve
The connectivity slot 321 that the lower surface of body 32 is set, while enter the lower end of first outflow port 12 and second outflow port 22
Lower end；Into the fluid of the lower end of the first outflow port 12, the part of valve body 32 is to moving up in being penetrated along the first outflow port 12
Dynamic, in arrival at the communication port 71 of the upper surface of valve body 32, valve chamber 7 corresponding to the communication port 71 is that the first outflow port 12 is arranged on
Valve chamber 7 in valve body 31, now, fluid is filled with the valve chamber 7, and valve block 51 is by stream in valve block spring 52 and valve chamber 7
The collective effect (downward) of body pressure, the active force that the fluid for reaching communication port 71 can be upward to valve block 51, but the active force is most
The big pressure no more than fluid in valve chamber 7, in other words valve block 51 can be constantly subjected to not less than the active force of valve block spring 52 to
Lower effect, against communication port 71, form closing；Into the fluid of the lower end of the second outflow port 22, can be passed through along the second outflow port 22
The part of valve body 32 moves up in logical, in arrival at the communication port 71 of the upper surface of valve body 32, valve chamber 7 corresponding to the communication port 71
The valve chamber 7 being arranged on for the second outflow port 22 in upper valve body 31, now, to be hollow in the valve chamber 7, valve block 51 is only in valve block spring
Against communication port 71 under 52 down force, the fluid of the lower section of communication port 71 produces upward active force to valve block 51, when this
After active force is more than the active force of valve block spring 52, valve block 51 is pushed upwardly, and leaves communication port 71, and fluid enters in valve chamber 7,
And enter the second channel 2 connected with the second outflow port 22 via the valve chamber 7.
Into the fluid of second channel 2, it can also enter in the second flow inlet 21 connected with second channel 2, reach circulation
Mouth 71；Now, the second flow inlet 21 is arranged in the valve chamber 7 of upper valve body 31, is filled with fluid, valve block 51 valve block spring 52 with
And in valve chamber 7 under the upward active force of fluid, against communication port 71, form closing, the fluid in communication port 71 to valve block 51 only
The down force no more than the upward active force of fluid in valve chamber 7 can be applied, valve block 51 can remain in that closed state.
So, switch is opened so that fluid enters second channel 2 from first passage 1；If now closing switch, iron is moved
Core 61 can conduct oneself with dignity and spring 63 (installed in dynamic iron core 61 and static iron core 65 the upper end of slotted eye 651 between spring 63) work
Under, move down, and be resisted against on the mouth of pipe 42, form closing (sealing), and then disconnect the flowing of fluid, reach closing
Effect.
Conversely, if fluid enters first passage 1 from second channel 2, detailed process is reversed with above-mentioned.
This way it is not necessary to fixed fluid inlet and outlet direction, can make as needed fluid flowed (pressure it is big one
The small side flowing of lateral pressure)；Only need switching device 4 (coil 62) 3 two passage streams of can application valve body
The disengaging of body, it is simple and convenient；The reverse flow of fluid can be prevented, leakage will not be produced；It is and just real by low-power coil 62
The control of the valve of big flow is showed.
Embodiment 11
Two-way shut-off valve as described above, the present embodiment be different from part be, the dynamic iron core 61 with it is described quiet
Spring 63 is not provided between the upper end of slotted eye 651 of iron core 65, so, after the energization of coil 62 terminates, dynamic iron core 61 is in Action of Gravity Field
Lower reset；So set simply, it is convenient, but prevent direction can extra demand two-way shut-off valve.
Embodiment 12
Two-way shut-off valve as described above, the present embodiment is different from part and is, in the check valve, the valve block
51 one end be rotatably disposed in in the identical end face of communication port 71, the other end around the opening position rotate；The valve block bullet
Spring 52 is torsion spring, and the one end is resisted against on valve block 51, and the other end is resisted against on the end face, makes the valve block 51 against institute
State communication port 71.
So, the space requirement of valve chamber 7 to upper valve body 31 is smaller, and it is convenient to set, compact-sized using simple.
The setting of fixed lobe 72, communication port 71 etc. is determined according to the circulating direction of the check valve in above-mentioned valve chamber 7
, but in a particular application, the circulating direction of check valve can be by setting U-shaped flow inlet/outflow port to change, this area skill
Art personnel can also be changed by other feasible modes, make it more conform to be actually needed, those skilled in the art exist
When understanding the particular content of the application, it should which such a situation is taken in.
The direction deciding that above-mentioned top, bottom, vertical, horizontal, upper and lower etc. are related to, is erected with the two-way shut-off valve
Carried out based on straight installation, now screw in it etc. is in vertical state；If the two-way shut-off valve be horizontally mounted or
Person tilts installation or installed along other directions, then corresponding direction deciding and description can also change, but the change
The relative direction and relative position of all parts can't be changed, those skilled in the art are in the particular content progress to the application
When understanding, it should which such a situation is taken in.
Presently preferred embodiments of the present invention is the foregoing is only, is merely illustrative for the purpose of the present invention, and it is non-limiting
's.Those skilled in the art understands, many changes can be carried out to it in the spirit and scope that the claims in the present invention are limited,
Modification, in addition it is equivalent, but fall within protection scope of the present invention.
Claims (10)
- A kind of 1. two-way shut-off valve, it is characterised in that including：One valve body,One switching device, it is arranged on the valve body, carries out opening and closing operation；One first flow inlet and one second flow inlet, it is arranged in the valve body, is connected with the switching device；One first outflow port and one second outflow port, it is arranged in the valve body, is connected with the switching device, is opened described In the case of closing device opening, with first flow inlet, the second flow inlet connection；In the feelings that the switching device is closed Under condition, with first flow inlet, second flow inlet disconnects；One first passage, it is arranged on the valve body, is connected with first flow inlet and first outflow port；One second channel, it is arranged on the valve body, is connected with second flow inlet and second outflow port；First flow inlet and second flow inlet are respectively arranged with one-way flow device, prevent fluid from reversely flowing out；First outflow port and second flow inlet are respectively arranged with the one-way flow device, prevent fluid reverse flow Enter；First flow inlet connects with second flow inlet.
- 2. two-way shut-off valve as claimed in claim 1, it is characterised in that the switching device includes an actuating mechanism and a pipe Mouthful, the mouth of pipe connects with first outflow port, second outflow port；The actuating mechanism and first flow inlet, The second flow inlet connection, produces opening/closing motion；The actuating mechanism end leans the mouth of pipe.
- 3. two-way shut-off valve as claimed in claim 2, it is characterised in that the valve body includes upper valve body, middle valve body and lower valve Body, the upper valve body, the middle valve body are fixedly connected with the lower valve body.
- 4. two-way shut-off valve as claimed in claim 3, it is characterised in that first flow inlet, second flow inlet are set Put in the upper valve body, lower end passes the lower surface of the upper valve body；First outflow port, second outflow port, on End is arranged in the upper valve body, and lower end passes the lower surface of the upper valve body, and runs through the middle valve body, and the mouth of pipe runs through The upper valve body and the middle valve body.
- 5. two-way shut-off valve as claimed in claim 4, it is characterised in that the upper valve body lower surface is provided with valve chamber, four The valve chamber be separately positioned on first flow inlet pass the opening position of the upper valve body, second flow inlet pass it is described The opening position of upper valve body, first outflow port pass the opening position of the upper valve body, second outflow port is passed on described The opening position of valve body, the one-way flow device corresponding to receiving.
- 6. two-way shut-off valve as claimed in claim 5, it is characterised in that first flow inlet, second flow inlet pair The valve chamber upper end answered offers communication port, and the communication port is used for circulate first flow inlet, second flow inlet In fluid, the middle valve body upper surface corresponds to the valve chamber opening position and is provided with fixed lobe.
- 7. two-way shut-off valve as claimed in claim 6, it is characterised in that the one-way flow device includes valve block and valve block bullet Spring, the valve block spring one end are set on the fixed lobe, are socketed on the inside of the other end and the valve block, for against described Valve block；The valve block disconnects the circulation of fluid against the communication port.
- 8. two-way shut-off valve as claimed in claim 7, it is characterised in that the valve block is inlayed towards the side of the communication port Embedded with cushion.
- 9. two-way shut-off valve as claimed in claim 7 or 8, it is characterised in that the communication port is towards the side of the valve block It is outstanding.
- 10. the two-way shut-off valve as described in any claim in claim 4-8, it is characterised in that the upper valve body and institute State and be provided with sealing gasket between valve body, the sealing gasket at least has a hole, first flow inlet is passed described The opening position of upper valve body, second flow inlet pass the opening position of the upper valve body, first outflow port is passed on described The opening position of valve body, second outflow port pass the opening position of the upper valve body, the mouth of pipe passes the position of the upper valve body In the place of putting at least one at around seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711305577.3A CN107859760B (en) | 2017-12-11 | 2017-12-11 | Two-way stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711305577.3A CN107859760B (en) | 2017-12-11 | 2017-12-11 | Two-way stop valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107859760A true CN107859760A (en) | 2018-03-30 |
| CN107859760B CN107859760B (en) | 2023-12-12 |
Family
ID=61705377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711305577.3A Active CN107859760B (en) | 2017-12-11 | 2017-12-11 | Two-way stop valve |
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| Country | Link |
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| CN (1) | CN107859760B (en) |
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| CN110939760A (en) * | 2018-09-21 | 2020-03-31 | 江苏乾诚环境科技有限公司 | One-way valve with controllable direction |
| CN112984158A (en) * | 2021-03-01 | 2021-06-18 | 安徽斯瑞尔阀门有限公司 | Flow direction controllable bidirectional backflow valve and installation method thereof |
| CN113294560A (en) * | 2021-04-28 | 2021-08-24 | 北京航天发射技术研究所 | High-pressure bidirectional switching electric stop valve |
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| CN113294560A (en) * | 2021-04-28 | 2021-08-24 | 北京航天发射技术研究所 | High-pressure bidirectional switching electric stop valve |
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|---|---|
| CN107859760B (en) | 2023-12-12 |
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