CN207569263U - A kind of two-way shut-off valve - Google Patents
A kind of two-way shut-off valve Download PDFInfo
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- CN207569263U CN207569263U CN201721718293.2U CN201721718293U CN207569263U CN 207569263 U CN207569263 U CN 207569263U CN 201721718293 U CN201721718293 U CN 201721718293U CN 207569263 U CN207569263 U CN 207569263U
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- 239000012530 fluid Substances 0.000 claims abstract description 114
- 238000004891 communication Methods 0.000 claims description 39
- 230000007246 mechanism Effects 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 59
- 238000007789 sealing Methods 0.000 description 19
- 230000003068 static effect Effects 0.000 description 19
- 230000000694 effects Effects 0.000 description 15
- 230000009471 action 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
- 238000010586 diagram Methods 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 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
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 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
- 238000012856 packing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of two-way shut-off valve, including：One valve body, a switching device are arranged on the valve body, carry out opening and closing operation；One first flow inlet and one second flow inlet, are arranged in the valve body, are connect with the switching device；One first outflow port and one second outflow port；One first passage is arranged on the valve body, is connected with first flow inlet and first outflow port；One second channel 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.Flow direction can be switched at any time according to demand, and when switching device is closed, the leakage of fluid will not be generated；Simple in structure, it is convenient to realize.
Description
Technical field
The utility model is related to shut-off valve technical fields, 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, since sealing element bears spring downward pressure and stream
The body pressure downward to sealing element makes sealing element and the hole of lower section keep sealing, and fluid can not be flowed out from right side；Work as electromagnetic wire
After circle is powered, magnetic force is generated, core assembly is attracted (F is attracted ＞ F springs), fluid is flowed to by hole below sealing element
Right side；Fluid can also enter from right end, but when right end Fluid pressure be more than spring pressure+left side Fluid pressure when
It waits, sealing element will not play the role 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 to realize, need two existing bi-bit bi-pass electromagnetism
For valve into outlet differential concatenation on pipeline, increasing the quantity of valve also increases power consumption, complicated.
In view of drawbacks described above, the utility model creator obtains this practicality newly finally by prolonged research and practice
Type.
Utility model content
To solve above-mentioned technological deficiency, the technical solution adopted in the utility model is, provides a kind of two-way shut-off valve,
Including：
One valve body,
One switching device is arranged on the valve body, carries out opening and closing operation；
One first flow inlet and one second flow inlet, are arranged in the valve body, are connected with the switching device；
One first outflow port and one second outflow port, are arranged in the valve body, are connected with the switching device, in institute
In the case of stating switching device opening, with first flow inlet, the second flow inlet connection；It is closed in the switching device
In the case of, with first flow inlet, second flow inlet disconnects；
One first passage is arranged on the valve body, is connected with first flow inlet and first outflow port；
One second channel 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 fluid reversed
It flows into.
Preferably, the switching device includes an actuating mechanism and a nozzle, the nozzle 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 abuts against the nozzle.
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 pierced by described
The lower face of valve body；First outflow port, second outflow port, upper end are arranged in the upper valve body, and lower end is pierced by institute
The lower face of upper valve body is stated, and through the middle valve body, the nozzle runs through the upper valve body and the middle valve body.
Preferably, the upper valve body lower face is provided with valve chamber, four valve chambers are separately positioned on first influent stream
Mouth is pierced by the position of the upper valve body, second flow inlet is pierced by the position of the upper valve body, first outflow port
It is pierced by the position of the upper valve body, second outflow port is pierced by the position of the upper valve body, the corresponding list of receiving
To circulation device.
Preferably, the corresponding valve chamber upper end of first flow inlet, second flow inlet offers communication port, institute
Communication port is stated for the fluid in circulate first flow inlet, second flow inlet, the middle valve body upper surface corresponds to should
Valve chamber is provided with fixed lobe at position.
Preferably, the one-way flow device includes valve block and valve block spring, the valve block spring one end is set in described
It on fixed lobe, is socketed on the inside of the other end and valve block, for against the valve block；The valve block is disconnected 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 side of the communication port towards the valve block protrudes outward, sealing effect can be strengthened in this way.
Preferably, being provided with gasket between the upper valve body and the middle valve body, there are one the gasket at least has
First flow inlet is pierced by the position of the upper valve body by hole, second flow inlet is pierced by the position of the upper valve body
The place of putting, first outflow port are pierced by the position of the upper valve body, second outflow port is pierced by the position of the upper valve body
Place, the nozzle be pierced by the position of the upper valve body at least one at around seal.
The beneficial effects of the utility model are compared with the prior art：Flow direction can be switched at any time according to demand
(the small side of the big lateral Fluid pressure of Fluid pressure), and when switching device is closed, the leakage of fluid will not be generated；Knot
Structure is simple, and it is convenient to realize.
Description of the drawings
In order to illustrate more clearly of the technical solution in various embodiments of the utility model, institute in being described below to embodiment
Attached drawing to be used is needed to be briefly described.
Fig. 1 is the schematic diagram of the utility model two-way stop valve closing state；
Fig. 2 is the schematic diagram of the utility model two-way stop the valve opening state；
Fig. 3 is the schematic diagram of the utility model two-way shut-off valve embodiment six；
Fig. 4 is the explosive view one of the utility model two-way shut-off valve；
Fig. 5 is the explosive view two of the utility model two-way shut-off valve；
Fig. 6 is the enlarged drawing of the utility model two-way shut-off valve local I；
Fig. 7 is the structure chart of the utility model two-way stop valve plunger；
Fig. 8 is the vertical view of the utility model two-way shut-off valve；
Fig. 9 is the sectional view of the utility model two-way shut-off valve A-A；
Figure 10 is the sectional view of the utility model two-way shut-off valve B-B；
Figure 11 is the sectional view of the utility model two-way shut-off valve C-C；
Figure 12 is the sectional view of the utility model two-way shut-off valve E-E；
Figure 13 is the enlarged drawing of the utility model two-way shut-off valve local I I.
Specific embodiment
Below in conjunction with attached drawing, to the utility model, above-mentioned and other technical characteristic and advantage 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 is arranged on the valve body 3, carries out opening and closing operation；
One first flow inlet 11 and one second flow inlet 21, are arranged in the valve body 3, connect with the switching device 4
It is logical；
One first outflow port 12 and one second outflow port 22, are arranged in the valve body 3, connect 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 is arranged on the valve body 3, with first flow inlet 11 and first outflow port 12
Connection；
One second channel 2 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 fluid 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 known as inside by us towards the side of switching device 4, backwards to switch
The side of device 4 (towards 1/ second channel 2 of first passage) is known as outside, in this way, the first flow inlet 11 and the second flow inlet 21
Interior one-way flow device 5 can cause the fluid passed through to be only capable of flowing to inside 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 inside flow direction outside.
If in this way, entering fluid from first passage 1, which can enter the first influent stream connected with first passage 1
11 and first outflow port 12 of mouth, 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；It, then can be by one-way flow device 5 therein, until touching out into the fluid of the first flow inlet 11
Until closing device 4；In this way, in the case where not turning on the switch device 4, fluid is blocked in the side for the device that opens the light, and will not
Generation Fluid pressure is excessive and generates the situation for leaking to second channel 2；If wherein the first flow inlet 11 and the second flow inlet 21
It is not isolated 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 inside of one-way flow device 5, will not enter and connect with the second flow inlet 21
Logical second channel 2；In the case, it turns on the switch, then fluid meeting (pass through switching device 4) is into the first outflow port 12 and the
Two outflow ports 22；At this point, at the first outflow port 12, fluid can enter the first outflow port 12 and contact one-way flow device 5
Inside at this point, in the outside of this one-way flow device 5, also assembles from first passage 1 and enters the first outflow port 12 but unidirectional
Circulation device 5 stop fluid, for this one-way flow device 5, on the outside of fluid due to circulating direction etc. (
It may be considered that fluid is made to 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), the pressure of generation is greater than the pressure that the fluid on the inside of it generates, which can compel
Remain off one-way flow device 5 so that the fluid of 5 inside of one-way flow device can not flow to outside；At this point,
At second outflow port 22, fluid can enter the second outflow port 22 and contact the inside of one-way flow device 5, due to the one-way flow
5 outside of device is vacant (or pressure is less than the pressure of inside) 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), which opens, and fluid is after the one-way flow device 5
It is flowed out from the second outflow port 22, into second channel 2.
Fluid enters after second channel 2, can along 2 and second flow inlet 21 of second channel connector into second into
Head piece 21, and contact the outside of the one-way flow device 5 of the second flow inlet 21；At this point, the inside of the one-way flow device 5,
Assemble from the first flow inlet 11 enter the second flow inlet 21 fluid, on the inside of fluid due to circulating direction etc.
(it is also possible that thinking, to fluid is made to 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), the pressure of generation is greater than the pressure that the fluid on the outside of it generates, the pressure differential
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 5 outside of circulation device can not flow to inside.
, whereas if fluid flows into first passage 1 from second channel 2, detailed process is opposite with the above process.
In this way, 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 generated；Simple in structure, it is convenient to realize.
Wherein, the fluid can be liquid, or gas is 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 6 and one nozzle 42 of mechanism, the nozzle 42 is connected with first outflow port 12, second outflow port 22；The action
Mechanism 6 is connected with first flow inlet 11, second flow inlet 21, generates opening/closing motion；The actuating mechanism 6
End is connect with the nozzle 42, and after closing motion is generated, 6 end of actuating mechanism abuts against the nozzle 42, is made described
Nozzle 42 is closed.
In this way, after the actuating mechanism 6 generates opening action, the nozzle 42 is left in 6 end of actuating mechanism, makes
The nozzle 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 generates closing motion, 6 end of actuating mechanism abuts against the nozzle 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 break
It opens.
The switching device 4 can be open type switching device 4, in this way, the actuating mechanism 6 stays open action,
After receiving outer signals, closing motion is generated, first flow inlet 11, second flow inlet 21 is made to go out stream with described first
Mouth 12, described second go out stream and disconnect.
The switching device 4 or normally closed switch device 4, in this way, the actuating mechanism 6 remains turned-off action,
After outer signals are received, opening action is generated, first flow inlet 11, second flow inlet 21 is made to go 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, simple in structure in this way, and are respectively provided in first flow inlet 11 and the second flow inlet 21
One-way flow device 5 prevents issuable fluid leakage due to connection.
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
It states the second flow inlet 21 to be mutually isolated, in this way, the fluid flowed into from 11/ second flow inlet 21 of the first flow inlet can be prevented directly
It is revealed from 21/ first flow inlet 11 of the second flow inlet；And it does not need to described in first flow inlet 11/ in second flow inlet 21
One-way flow device 5 is set.It is simple in structure, 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 nozzle 42；Described 63 one end of spring 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.
In this way, when in use, the dynamic iron core 61 makes first flow inlet 11, described second against the nozzle 42
Flow inlet 21 is disconnected with first outflow port 12, second outflow port 22；It is logical to the coil 62 when needing connection
Electricity generates electromagnetic field；The dynamic iron core 61 leaves the nozzle 42 under the action of the electromagnetic field, and compressed spring 63 is to institute
It states 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, the electromagnetic field that coil 62 generates disappears, and the dynamic iron core 61 is in the spring 63
Effect is lower to be resetted, and against the nozzle 42, makes first flow inlet 11, second flow inlet 21 and first outflow port
12nd, second outflow port 22 disconnects.
In this way, the break-make of the first passage 1 and second channel 2 can be controlled by being powered；It is simple in structure, controlling party
Just, only need 62 component of electromagnetic coil can control valve both ends fluid disengaging (low primary of the big lateral pressure of pressure
Flowing)；And the control of the valve of big orifice (big flow) is realized by low-power coil 62.
Wherein, the dynamic iron core 61 has groove 611 with described 63 fixed one end of spring, to store 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 the upper end is fixed with the spring 63；In this way, the dynamic iron core 61 is when resetting
By the collective effect of 63 elastic force of gravity and spring, it is convenient to reset, and can be after the failure of spring 63 due to gravity
It automatically resets, improves 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, mandril 67 and fixing sleeve 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 fixing sleeve；Described mandril one end passes through described against the nozzle 42, the other end
The inner hollow of fixing sleeve is connect with the motor, is acted under the drive of the motor.
In this way, when in use, when needing to disconnect, the motor drives the mandril to make described against the nozzle 42
First flow inlet 11, second flow inlet 21 and first outflow port 12, second outflow port 22 disconnect；It is needing to connect
When logical, the motor drives the mandril to leave the nozzle 42, make first flow inlet 11, second flow inlet 21 with
First outflow port 12, second outflow port 22 connect.
In this way, according to actual needs so that first flow inlet 11, second flow inlet 21 go out stream with described first
Mouth 12, second outflow port 22 are connected/are disconnected；It is simple in structure, it is easy to use.
The actuating mechanism 6 further includes gasket 34, and the gasket 34 is arranged in the fixing sleeve, to the mandril
Gap between the fixing sleeve 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, the actuating mechanism 6 is pilot-operated type
Structure, in this way, when being powered, electromagnetic force opens pilot hole, upper chamber's rapid pressure drop, is formed around closure member low
High pressure difference, Fluid pressure push closure member to move up, and valve is opened；During power-off, 63 power of spring 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 pushes closure member downward
It is mobile, close valve.
In this way, small power consumption, can frequently be powered, it is powered for a long time without burning, and energy saving；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 simple in structure in this way 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 further includes static iron core 65, and the static iron core 65 is connected on the valve body 3.
For 65 one end card machine of static iron core on the valve body 3, the other end has external screw thread, connects with 64 screw thread of nut
It connects.
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.
62 side of coil is provided with attaching plug, for being connect with extraneous power supply, powers to coil 62.
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 of diameter in this way convenient for coil 62 is 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；In this way, the static iron core 65 part maximum gauge
Outer wall be bonded with the inner wall of the coil 62, to ensure that the static iron core 65 and the coil 62 are coaxial, prevent the coil
62 shake relative to the static iron core 65；Then the nut 64 is screwed, it is possible to fix the coil 62.
The static iron core 65 is clamped one end setting grooved hole 651 of the valve body 3,651 one end open of slot；It is described
Dynamic iron core 61 is slidably mounted in the slot 651, along sliding axially for the slot 651.
The outer wall of the dynamic iron core 61 is bonded with 651 inner wall of slot, prevents the dynamic iron core 61 in this way in the slot
When being slided in hole 651, movement is generated in the radial direction of slot 651.
Wherein, the cross section of the slot 651 can be rectangular or other shapes, as long as the dynamic iron core 61 can be along
The slip that the slot 651 is well on.
61 cross-sectional shape of dynamic iron core matches with 651 cross section of slot.
Wherein, the slot 651 is cylinder, towards the one end open of the valve body 3, convenient for 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 slided in this way convenient for the dynamic iron core 61.
61 side wall of the dynamic iron core setting fluted 611, the groove 611 penetrates through 61 both ends of dynamic iron core, in this way, institute
When stating dynamic iron core 61 and being slidably fitted in the slot 651,61 both ends of dynamic iron core 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
Screw is connected and fixed, easy to process in this way, assembly and disassembly.
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 pierced by described
The lower face 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 is pierced by institute
The lower face of upper valve body 31 is stated, and through the middle valve body 32.
The nozzle 42 runs through the upper valve body 31 and the middle valve body 32, and 31 upper surface of upper valve body is provided with clamping
Notch 36, the actuating mechanism 6 (static iron core 65) are connected to the clamping slot 36；42 upper end of nozzle is arranged on the card
In access slot mouth 36, the nozzle 42, the clamping slot 36 is connected with the slot 651 of the static iron core 65.
The lower end of the dynamic iron core 61 is resisted against 42 upper end of nozzle, disconnects the nozzle 42 and the clamping slot 36
Connection.
It is provided with intercommunicating pore 311 in the upper valve body 31, described 311 one end of intercommunicating pore and first flow inlet 11/ the
Two flow inlets 21 connect, 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.
32 lower face of middle valve body is provided with lower end, the institute of connectivity slot 321, the connectivity slot 321 and the nozzle 42
State the lower end of the first outflow port 12, the lower end connection of second outflow port 22.
The first passage 1 and second channel 2 are arranged in the upper valve body 31, and the first passage 1 penetrates through described
The upper end of one flow inlet 11 and the first outflow port 12, and be pierced by from 31 side of upper valve body；The second channel 2 penetrates through described
The upper end of second flow inlet 21 and the second outflow port 22, and be pierced by from the side of the upper valve body 31.
The lower face of the upper valve body 31 is provided with gasket slot 312, described close (also with positioning action) for accommodating
Packing 34；The gasket 34 at least has the position that first flow inlet 11 there are one hole, is pierced by the upper valve body 31
Place, second flow inlet 21 is pierced by the position of the upper valve body 31, first outflow port 12 is pierced by the upper valve body 31
Position at, second outflow port 22 is pierced by the position of the upper valve body 31, the nozzle 42 is pierced by the upper valve body 31
Position at least one at around seal, prevent fluid at this along 31 lower face of upper valve body and the middle valve body 32
The contact portion leakage of upper surface.
On the basis of the above, recommend the gasket 34 that five holes are set, be pierced by respectively with first flow inlet 11
At the position of the upper valve body 31, second flow inlet 21 be pierced by the position of the upper valve body 31, first outflow port
12 are pierced by the position of the upper valve body 31, second outflow port 22 is pierced by the position of the upper valve body 31, the nozzle
42 are pierced by the position of the upper valve body 31 and correspond to, and will be sealed around position at five, prevent fluid leakage (leakage include from
The external world is leaked at one position and is leaked at another position at a position).
The lower face 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, 35 upper surface of sealing ring squeezes 322 inner wall of seal groove, and lower face squeezes 33 upper surface of lower valve body,
Prevent the fluid leakage in the connectivity slot 321.
31 lower face of upper valve body is provided with valve chamber 7, and four valve chambers 7 are separately positioned on first flow inlet 11
It is pierced by the position of the upper valve body 31, second flow inlet 21 is pierced by the position of the upper valve body 31, described first goes out
Head piece 12 is pierced by the position of the upper valve body 31, second outflow port 22 is pierced by the position of the upper valve body 31, is accommodated
Corresponding one-way flow device 5 (check valve).
Corresponding 7 upper end of valve chamber of first flow inlet 11, second flow inlet 21 offers communication port 71, institute
Communication port 71 is stated for the fluid in circulate first flow inlet 11, second flow inlet 21, middle 32 upper end of valve body
In face of fixed lobe 72 should be provided at 7 position of valve chamber.
Corresponding 7 upper end of valve chamber of first outflow port 12, second outflow port 22 offers fixed lobe 72,
32 upper surface of middle valve body corresponds to and communication port 71 is provided at 7 position of valve chamber, and the communication port 71 is for 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 dresses such as the valve in restricted circulation direction
It puts.
The check valve includes valve block 51 and valve block spring 52, and described 52 one end of valve block spring is set in the fixed lobe
On 72,51 inside of the other end and valve block 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 reach more preferable in this way towards the side of the communication port 71
Sealing effect.
The side of the communication port 71 towards the valve block 51 protrudes outward, and can strengthen sealing effect in this way.
The spring 63 is cylindrical barrel, and inside diameter is identical with the outside diameter of the fixed lobe 72, in this way,
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, in this way, the spring 63 is against institute
It states the side of valve block 51 and the valve block 51 is combined and consolidated.
The nozzle 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 nozzle 42 contacts, and strengthens sealing effect；It is described circle protrusion it is straight
Diameter is more than the diameter of the nozzle 42, and less than the diameter of the dynamic iron core 61, so as to strengthen sealing effect.
In this way, 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 (downwards), and valve block 51 is made more to firmly abut 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 active force (upward) direction of valve block 51 on the contrary,
With the increase of Fluid pressure, valve block 51 by (downward) is open-top at communication port 71 and compresses the valve block spring 52, fluid into
Enter the valve chamber 7, and pass through intercommunicating pore 311 and enter in clamping slot 36, and be gradually full of clamping slot 36.
Assuming that in clamping slot 36 at this time, dynamic iron core 61 is resisted against on nozzle 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 61 side wall of dynamic iron core, into dynamic iron core 61
In the space that the slot 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
It leans 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 (upwards), and valve block 51 is made more to firmly abut against in communication port 71, forms sealing effect,
Fluid is blocked in the valve chamber 7；Into the fluid of 61 upper end of dynamic iron core, can be full of together with the fluid in clamping slot 36
Entire clamping slot 36, static iron core 65 the space that surrounds of slot 651 in, 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 are tightly abutted against on nozzle 42, form closing；At this point, fluid is hindered
Gear.
It turns on the switch, needs to be powered to coil 62, coil 62 generates magnetic field, and dynamic iron core 61 is in the upward effect in magnetic field
It under power, moves up, while leaves nozzle 42, fluid is flowed into nozzle 42；Fluid is flowed out from the lower end of nozzle 42, along middle valve
The connectivity slot 321 of 32 lower face of body setting, 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 through along the first outflow port 12
Dynamic, in arrival at the communication port 71 of 32 upper surface of valve body, which is arranged on for the first outflow port 12
Valve chamber 7 in valve body 31, at this point, filling with fluid in 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, reaching the fluid of communication port 71 can give valve block 51 upward active force, 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 52 active force of valve block spring to
Lower effect against communication port 71, forms closing；Into the fluid of 22 lower end of the second outflow port, 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 32 upper surface of valve body, the 71 corresponding valve chamber 7 of communication port
The valve chamber 7 being arranged on for the second outflow port 22 in upper valve body 31, at this point, being 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 71 lower section of communication port generates valve block 51 upward active force, 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；At this point, the second flow inlet 21 is arranged in the valve chamber 7 of upper valve body 31, be 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 still maintain closed state.
In this way, turn on the switch so that fluid enters second channel 2 from first passage 1；If turning off the switch at this time, iron is moved
Core 61 can conduct oneself with dignity and spring 63 (mounted on dynamic iron core 61 and static iron core 65 651 upper end of slot between spring 63) work
It under, moves down, and is resisted against on the nozzle 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 a switching device 4 (coil 62) can 3 two channel streams of application valve body
The disengaging of body, it is simple and convenient；The reverse flow of fluid can be prevented, leakage will not be generated；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 651 upper end of slot of iron core 65, in this way, after coil 62 is powered, dynamic iron core 61 is in gravity
Lower reset；Setting is simple in this way, convenient, but prevents 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 are rotatably disposed in the end face identical with the communication port 71, and the other end rotates at the position；The valve block bullet
Spring 52 is torsional 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.
In this way, 7 space requirement of valve chamber to upper valve body 31 is smaller, setting is convenient, 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 changed by setting U-shaped flow inlet/outflow port, this field skill
Art personnel can also be changed by other feasible modes, it be made to be more in line with actual needs, those skilled in the art exist
When understanding the particular content of the application, it should which such situation is taken in.
The direction deciding that above-mentioned top, bottom end, vertical, horizontal, upper and lower etc. are related to, is erected with the two-way shut-off valve
It is carried out based on straight installation, screw in it etc. is in vertical state at this time；If the two-way shut-off valve be horizontally mounted or
Person tilts installation or is installed along other directions, then corresponding direction deciding and description can also change, but the variation
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 situation is taken in.
The above is only the preferred embodiment of the present invention, is merely illustrative for the utility model, and
It is unrestricted.Those skilled in the art understands, can be to it in the spirit and scope limited in the utility model claims
Many changes are carried out, are changed or even equivalent, but fall in the scope of protection of the utility model.
Claims (10)
1. a kind of two-way shut-off valve, which is characterized in that including：
One valve body,
One switching device is arranged on the valve body, carries out opening and closing operation；
One first flow inlet and one second flow inlet, are arranged in the valve body, are connected with the switching device；
One first outflow port and one second outflow port, are arranged in the valve body, are connected with the switching device, 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 is arranged on the valve body, is connected with first flow inlet and first outflow port；
One second channel 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.
2. two-way shut-off valve as described in claim 1, which is characterized in that the switching device includes an actuating mechanism and a pipe
Mouthful, the nozzle is connected with first outflow port, second outflow port；The actuating mechanism and first flow inlet,
The second flow inlet connection, generates opening/closing motion；The actuating mechanism end abuts against the nozzle.
3. two-way shut-off valve as claimed in claim 2, which is characterized 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, which is characterized in that first flow inlet, second flow inlet are set
It puts in the upper valve body, lower end is pierced by the lower face of the upper valve body；First outflow port, second outflow port, on
End is arranged in the upper valve body, and lower end is pierced by the lower face of the upper valve body, and through the middle valve body, and the nozzle runs through
The upper valve body and the middle valve body.
5. two-way shut-off valve as claimed in claim 4, which is characterized in that the upper valve body lower face is provided with valve chamber, four
The valve chamber be separately positioned on first flow inlet be pierced by the position of the upper valve body, second flow inlet be pierced by it is described
At the position of upper valve body, first outflow port is pierced by the position of the upper valve body, second outflow port is pierced by described
At the position of valve body, the corresponding one-way flow device is accommodated.
6. two-way shut-off valve as claimed in claim 5, which is characterized in that first flow inlet, second flow inlet pair
The valve chamber upper end answered offers communication port, and the communication port is for circulate first flow inlet, second flow inlet
In fluid, the middle valve body upper surface corresponds to and is provided with fixed lobe at the valve chamber position.
7. two-way shut-off valve as claimed in claim 6, which is characterized 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 valve block, for against the valve
Piece；The valve block disconnects the circulation of fluid against the communication port.
8. two-way shut-off valve as claimed in claim 7, which is characterized 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, which is characterized in that the communication port is towards the side of the valve block
It protrudes outward.
10. the two-way shut-off valve as described in any claim in claim 4-8, which is characterized in that the upper valve body and institute
It states and gasket is provided between valve body, the gasket at least has there are one hole, first flow inlet is pierced by described
At the position of upper valve body, second flow inlet is pierced by the position of the upper valve body, first outflow port is pierced by described
At the position of valve body, second outflow port is pierced by the position of the upper valve body, the nozzle is pierced by 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 |
|---|---|---|---|
| CN201721718293.2U CN207569263U (en) | 2017-12-11 | 2017-12-11 | A kind of two-way shut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721718293.2U CN207569263U (en) | 2017-12-11 | 2017-12-11 | A kind of two-way shut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207569263U true CN207569263U (en) | 2018-07-03 |
Family
ID=62686778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721718293.2U Expired - Fee Related CN207569263U (en) | 2017-12-11 | 2017-12-11 | A kind of two-way shut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207569263U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859760A (en) * | 2017-12-11 | 2018-03-30 | 常州中进医疗器材股份有限公司 | A kind of two-way shut-off valve |
-
2017
- 2017-12-11 CN CN201721718293.2U patent/CN207569263U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859760A (en) * | 2017-12-11 | 2018-03-30 | 常州中进医疗器材股份有限公司 | A kind of two-way shut-off valve |
| CN107859760B (en) * | 2017-12-11 | 2023-12-12 | 常州中进医疗器材股份有限公司 | Two-way stop valve |
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Granted publication date: 20180703 |