CN108061176B - Multi-channel switching valve - Google Patents
Multi-channel switching valve Download PDFInfo
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- CN108061176B CN108061176B CN201810112249.XA CN201810112249A CN108061176B CN 108061176 B CN108061176 B CN 108061176B CN 201810112249 A CN201810112249 A CN 201810112249A CN 108061176 B CN108061176 B CN 108061176B
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- core assembly
- control interface
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 108091006146 Channels Proteins 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 102000010637 Aquaporins Human genes 0.000 claims description 2
- 108010063290 Aquaporins Proteins 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 53
- 238000009434 installation Methods 0.000 abstract description 2
- 239000008358 core component Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000306 component Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution 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
Abstract
The invention discloses a multichannel switching valve, which comprises a valve body and a driving piece arranged on the valve body, wherein the valve body comprises a water inlet, a water outlet, a first normally open interface, a second normally open interface, a first control interface and a second control interface which are connected with a valve cavity, a first valve core, a second valve core, a third valve core and a fourth valve core are arranged in the valve cavity, a first elastic piece is connected to the first valve core, a first fixing piece is arranged in the first valve core, a through hole is formed in the first fixing piece, the valve rod is divided into a first part and a second part, the diameter of the second part is matched with the size of the through hole of the first fixing piece, and the diameter of the first part is larger than that of the through hole of the first fixing piece. The multichannel switching valve is designed with the installation mode of the buffer spring, so that the sealing surface is not displaced due to the fact that the valve rod is continuously displaced when the sealing surface is sealed, an intermediate state switching mode is achieved, and multiple channels and multiple loops are switched in a multiple combination mode.
Description
Technical Field
The invention relates to a valve, in particular to a multi-channel switching valve.
Background
When the valve core is switched by the linear motion of the driving piece, the existing valve can only realize the on-off state of the water inlet and the water outlet, can not realize the combined switching among a plurality of interfaces, and can not realize the intermediate state of simultaneously opening and simultaneously closing the two interfaces.
Disclosure of Invention
Based on the above, it is necessary to provide a multi-channel switching valve for solving the problem that when the valve is switched by the linear motion of the driving member, only the two states of opening and closing of the water inlet and the water outlet can be realized, the combined switching between a plurality of interfaces can not be realized, and the intermediate state that two interfaces are simultaneously opened and closed can not be realized.
The utility model provides a multichannel switching valve, includes the valve body that is equipped with the valve pocket and installs the driving piece on the valve body, the valve body include with the water inlet that the valve pocket links to each other, delivery port and a plurality of outer return circuit interface, install first case subassembly in the valve pocket, first case subassembly pass through the valve rod with the driving piece is connected, first case subassembly install in between delivery port and the first outer return circuit interface, be used for control the delivery port with the break-make of first outer return circuit interface, first case with the crossing department of valve rod is connected with first elastic component, be provided with first support on the valve rod and hold the seat, first elastic component keep away from driving piece one end install in first support holds the seat, its characterized in that still is provided with a plurality of case subassemblies more than two in the valve body for control the switching of a plurality of outer return circuit interfaces, a plurality of case subassemblies with the valve rod links to each other the valve rod drives down and opens and shuts, first elastic component is in the valve rod is in driving down and presents three kinds of states, first elastic component is in the state under the valve rod the water inlet, the switching mode with other the other water filling valve of water inlet, the water injection valve mode switch between the water inlet and the other switching valve state and the water inlet and the other switching mode.
In one embodiment, a first fixing member is disposed in the first valve core, the first valve core is connected with the first fixing member and moves up and down along with the first fixing member, the valve rod is provided with a driving part, when the valve rod driving part does not contact with the first fixing member, the first fixing member is fixed, when the valve rod driving part contacts with the first fixing member, the first fixing member moves along with the valve rod, and one end, close to the driving member, of the first elastic member is connected with the first fixing member.
In one embodiment, the external loop interface includes a first normally open interface, a second normally open interface, a first control interface and a second control interface, a second valve core assembly, a third valve core assembly and a fourth valve core assembly are further installed in the valve cavity, the first normally open interface is the first external loop interface, the second valve core assembly is installed between the water inlet and the second normally open interface, when the second valve core assembly is opened, the water inlet is communicated with the second normally open interface, the third valve core assembly is installed at the first control interface, when the third valve core assembly is opened, the first control interface is opened, when the third valve core assembly is closed, the first control interface is closed, the fourth valve core assembly is installed at the second control interface, when the fourth valve core assembly is opened, the second control interface is opened, when the fourth valve core assembly is closed, the second control interface is closed.
In one embodiment, when the multi-channel switching valve is in the initial state, the valve rod driving part is positioned at one end of the first fixing part, which is close to the driving part, and the distance between the valve rod driving part and the first fixing part is a first distance, the first elastic part is in a compressed state at the moment, the first valve core component is closed, and the multi-channel switching valve is in a circulating state at the moment; when the driving piece drives the valve rod to move a first distance from the initial state to the direction away from the driving piece, one end of the elastic piece away from the driving piece stretches under the driving of the valve rod and returns to the normal state, the first valve core assembly is closed, and the multi-channel switching valve is in a water injection state; when the driving piece is driven by the initial state to move the valve rod to a second distance away from the direction of the driving piece, the first fixing piece is driven by the valve rod to move away from the direction of the driving piece, the first elastic piece is integrally driven by the first fixing piece and the first supporting seat to move away from the direction of the driving piece, the first valve core assembly is driven by the first fixing piece to move away from the direction of the driving piece, the first valve core assembly is opened, and the multi-channel switching valve is in a drainage state.
In one embodiment, when the multi-channel switching valve is in an initial state, the second spool assembly is closed, the third spool assembly is open, and the fourth spool assembly is open.
In one embodiment, after the driving member drives the valve rod to move away from the driving member by a first distance from an initial state, the second valve core assembly is opened, the third valve core assembly is opened, and the fourth valve core assembly is closed.
In one embodiment, after the driving member drives the valve rod to move a second distance away from the driving member from the initial state, the second valve core assembly is opened, the third valve core assembly is closed, and the fourth valve core assembly is closed.
In one embodiment, the first normally open interface is connected with the first control interface through a first connecting channel, the second normally open interface is connected with the second control interface through a second connecting channel, a one-way valve is arranged in the first connecting channel, water flows from the first normally open interface to the first control interface, a one-way valve is arranged in the second connecting channel, and water flows from the second control interface to the second normally open interface.
In one embodiment, the first normally open interface is connected to the first normally open interface through a first outer loop.
In one embodiment, the first control interface and the second control interface are connected by a second outer loop.
The multichannel switching valve is designed with the installation mode of the buffer spring, so that the sealing surface is not displaced due to the fact that the valve rod is continuously displaced when the sealing surface is sealed, an intermediate state switching mode is achieved, and multiple channels and multiple loops are switched in a multiple combination mode.
Drawings
FIG. 1 is a front view of a multi-channel switching valve according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a side view of a multi-channel switching valve according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken along the direction B-B of FIG. 3;
FIG. 5 is a schematic diagram showing a state of the multi-channel switching valve in the water filling operation mode according to the embodiment of the present invention;
FIG. 6 is a schematic diagram showing a state in which a multi-channel switching valve according to an embodiment of the present invention is in a drain operation mode;
fig. 7 is a schematic view illustrating a state of the first elastic member in the multi-channel switching valve according to an embodiment of the present invention during operation.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Please refer to fig. 1 to 4. Fig. 1 is a front view of a multi-channel switching valve according to an embodiment of the present invention, fig. 2 is a sectional view of fig. 1 along A-A direction, fig. 3 is a side view of the multi-channel switching valve according to an embodiment of the present invention, and fig. 4 is a sectional view of fig. 3 along B-B direction.
In this embodiment, the multi-channel switching valve includes a valve body 10 provided with a valve cavity and a driving member 11 mounted on the valve body 10, where the valve body 10 is provided with a water inlet 16, a water outlet 17, a first normally open interface 18, a second normally open interface 19, a first control interface 20 and a second control interface 21 connected with the valve cavity. The valve cavity is internally provided with a first valve core assembly, a second valve core assembly, a third valve core assembly and a fourth valve core assembly, the first valve core assembly comprises a first valve core 22 and a first sealing seat 26, the second valve core assembly comprises a second valve core 23 and a second sealing seat 27, the third valve core assembly comprises a third valve core 24 and a fourth sealing seat 28, and the fourth valve core assembly comprises a fourth valve core 25 and a fourth sealing seat 29. The first valve element 22, the second valve element 23, the third valve element 24 and the fourth valve element 25 are connected to the driver 11 via a valve rod 15. The first valve core 22 is installed between the water outlet 17 and the first normally open interface 18, and when the first valve core 22 is opened, the water outlet 17 is communicated with the first normally open interface 18. The second valve core 23 is installed between the water inlet 16 and the second normally open interface 19, and when the second valve core 23 is opened, the water inlet 16 is communicated with the second normally open interface 19. The third valve core 24 is installed at the first control interface 20, when the third valve core 24 is opened, the first control interface 20 is opened, and when the third valve core 24 is closed, the first control interface 20 is closed. The fourth valve core 25 is installed at the second control interface 21, when the fourth valve core 25 is opened, the second control interface 21 is opened, and when the fourth valve core 25 is closed, the second control interface is closed.
In this embodiment, the valve cartridge assembly further includes a sealing cap. The first valve core assembly further comprises a first sealing cover 38, the first sealing cover 38 is connected with the valve rod 15, fixed in the valve cavity and located at one end of the first valve core 22, which is close to the driving piece 11, and a first sealing ring is installed at one end of the first sealing cover 38, which is close to the first valve core 22. The second valve core assembly further comprises a second sealing cover 39, the second sealing cover 39 is connected with the valve rod 15, is fixed in the valve cavity and is located at one end of the second valve core 23, which is close to the driving piece 11, and a first sealing ring is installed at one end of the second sealing cover 39, which is close to the second valve core 23. The third valve core assembly further comprises a third sealing cover 40, the third sealing cover 40 is connected with the valve rod 15, fixed in the valve cavity and located at one end of the third valve core 24 far away from the driving piece 11, and a third sealing ring is installed at one end of the third sealing cover 40 close to the third valve core 24. The fourth valve core assembly further comprises a fourth sealing cover 41, the fourth sealing cover 41 is connected with the valve rod 15, fixed in the valve cavity and located at one end of the fourth valve core 25 away from the driving piece 11, and a fourth sealing ring is installed at one end of the fourth sealing cover 41, which is close to the fourth valve core 25. The first valve core component, the second valve core component, the third valve core component and the fourth valve core component are driven by the valve rod to control the corresponding channels to be disconnected.
Specifically, the first normally open interface 18 and the first control interface 20 are connected through a first connection channel 13, the second normally open interface 19 and the second control interface 21 are connected through a second connection channel 14, the first normally open interface 18 and the second normally open interface 19 are connected to a first outer loop (not shown), and the first control interface 20 and the second control interface 21 are connected to a second outer loop (not shown). The first connecting channel 13 is provided with a one-way valve, water flows from the first normally open interface 18 to the first control interface 20, the second connecting channel 14 is provided with a one-way valve, and water flows from the second control interface 21 to the second normally open interface 19.
Specifically, the first sealing seat 26 is disposed between the water outlet 17 and the first normally open port 18, the second sealing seat 27 is disposed between the water inlet 16 and the second normally open port 19, the third sealing seat 28 is disposed at the first control port 20, and the fourth sealing seat 29 is disposed at the second control port 21. The first valve core 22, the second valve core 23, the third valve core 24 and the fourth valve core 25 and the first sealing seat 26, the second sealing seat 27, the third sealing seat 28 and the fourth sealing seat 29 respectively form a first sealing surface, a second sealing surface, a third sealing surface and a fourth sealing surface, the first sealing seat 26, the second sealing seat 27, the third sealing seat 28, the fourth sealing seat 29, the first sealing surface, the second sealing surface, the third sealing surface and the fourth sealing surface are fixed, and the opening and the closing of the valve core assembly are completed through the movement of the first valve core 22, the second valve core 23, the third valve core 24 and the fourth valve core 25, so that the flow break of a corresponding channel is controlled. The second valve core 23, the third valve core 24 and the fourth valve core 25 are fixedly connected with the valve rod 15, and can move up and down in the valve body along with the movement of the valve rod 15.
In this embodiment, a first elastic member 30 is connected to the intersection of the first valve core 22 and the valve stem 15, and a second elastic member 31 is connected to the intersection of the fourth valve core 25 and the valve stem 15. The valve rod 15 is provided with a first supporting seat 32 and a second supporting seat 33. The end of the first elastic member 30 away from the driving member 11 is mounted in the first supporting seat 32, and the end of the second elastic member 31 close to the driving member 11 is mounted in the second supporting seat 33. The first abutment 32 and the second abutment 33 are mounted on the valve stem 15 to follow the movement of the valve stem 15. In this embodiment, the elastic member is a spring. In other embodiments, the elastic member may employ other elastic elements.
Specifically, a first fixing member 34 is disposed in the first valve core 22, the first fixing member 34 is provided with a through hole, and the first valve core 22 is fixedly connected with the first fixing member 34 and moves up and down along with the first fixing member 34. The fourth valve core 25 is provided with a second fixing member 35, the second fixing member 35 is provided with a through hole, and the fourth valve core 25 is fixedly connected with the second fixing member 35 and moves up and down along with the second fixing member 35. The size of the through hole of the first fixing piece 34 is the same as that of the through hole of the second fixing piece 35.
The valve rod 15 is provided with a driving part, when the driving part of the valve rod 15 does not contact the first fixing piece 34, the first fixing piece 34 is fixed, and when the driving part of the valve rod 15 contacts the first fixing piece 34, the first fixing piece 34 moves along with the valve rod 15.
Specifically, the valve rod 15 is divided into a first portion 151 and a second portion 152, the first portion 151 is a driving portion, the diameter of the first portion 151 is larger than the diameter of the through hole of the first fixing member 34, and the second portion 152 is matched with the size of the through hole of the first fixing member 34. The first portion 151 is adjacent to the driver 11 relative to the second portion 152. In other embodiments, the driving portion of the valve rod 15 may be provided with a latch, a ring, etc., so long as the effect that the driving portion of the valve rod drives the first fixing member 34 to move after contacting the first fixing member 34 is achieved.
In this embodiment, the driving member 11 is a stepping motor. In other embodiments, the driving member 11 may be another type of motor, so long as the effect of driving the valve rod 15 up and down is achieved.
In this embodiment, the driving member 11 is mounted on a driving seat 36, the driving member 11 is connected to the driving seat 36 through a fixing device 12, and the driving seat 36 is mounted on the valve body 10. In this embodiment, the fixing device 12 is a buckle. In other embodiments, the fixation device 12 may be other fixation members.
In this embodiment, the valve body 10 is mounted on a base 37.
Referring to fig. 2, fig. 2 is a schematic diagram illustrating a state of the multi-channel switching valve in a water circulation operation mode according to an embodiment of the invention. In this embodiment, when the multi-channel switching valve is in the initial state, the driving portion of the valve rod 15 is located at one end of the first fixing member 34 near the driving member 11, the distance between the driving portion of the valve rod 15 and the first fixing member 34 is a first distance, at this time, the first elastic member 30 is in a compressed state and is in overload protection, the first valve core 22 is closed, the second valve core 23 is closed, the third valve core 24 is opened, and the fourth valve core 25 is opened. At this time, the water outlet 17 and the first normally open port 18 are isolated by the first valve core 22, the water inlet 16 and the second normally open port 19 are isolated by the second valve core 23, the first control port 20 is opened, and the second control port 21 is opened. At this time, the waterway in the multi-path switching valve is a second control interface 21, a second connecting channel 14, a second normally open interface 19, a first external loop, a first normally open interface 18, a first control interface 20, a second external loop and a second control interface 21, and water flows circulate in the multi-path switching valve.
Referring to fig. 5, fig. 5 is a schematic diagram illustrating a state of the multi-channel switching valve in a water filling operation mode according to an embodiment of the invention. In this embodiment, when the driving member 11 is driven by the initial state to move the valve rod 15 away from the driving member 11 by a first distance, the first portion of the valve rod 15 just contacts the fixing member, one end of the spring away from the driving member 11 is stretched under the driving of the valve rod 15, and returns to the normal state, the first valve core 22 is closed, the second valve core 23 is opened, the third valve core 24 is opened, and the fourth valve core 25 is closed. At this time, the water outlet 17 and the first normally open port 18 are isolated by the first valve core 22, the water inlet 16 and the second normally open port 19 are communicated, the first control port 20 is opened, and the second control port 21 is closed. At this time, the waterway in the multi-channel switching valve is water inlet 16- & gt second normally open interface 19- & gt first external loop- & gt first normally open interface 18- & gt first connecting channel 13- & gt first control interface 20- & gt second external loop, and at this time, water is injected into the second external loop.
Referring to fig. 6, fig. 6 is a schematic diagram illustrating a state of the multi-channel switching valve in a drainage operation mode according to an embodiment of the invention. In this embodiment, after the driving member 11 is driven by the initial state to move the valve rod 15 in a direction away from the driving member 11 by a second distance, the fixing member is driven by the first portion of the valve rod 15 to move in a direction away from the driving member 11, the first elastic member 30 is integrally driven by the fixing member and the first supporting seat 32 to move in a direction away from the driving member 11, the first valve core 22 is driven by the fixing member to move in a direction away from the driving member 11, the first valve core 22 is opened, the second valve core 23 is opened, the third valve core 24 is closed, and the fourth valve core 25 is closed. At this time, the water outlet 17 is communicated with the first normally open interface 18, the water inlet 16 is communicated with the second normally open interface 19, the first control interface 20 is closed, and the second control interface 21 is closed. At the moment, the waterway in the multichannel switching valve is a water inlet 16, a second normally open interface 19, a first external loop, a first normally open interface 18 and a water outlet 17, and at the moment, water flow is discharged from the water outlet 17.
Referring to fig. 7, fig. 7 is a schematic view illustrating a state of the first elastic member 30 in the multi-channel switching valve according to an embodiment of the invention. In this embodiment, when the valve rod 15 moves up and down, the first sealing surface, the second sealing surface, the third sealing surface and the fourth sealing surface are fixed, and the second elastic member 31 moves up and down along with the valve rod 15. The first elastic member 30 is in a compressed state in an initial state; in the second state, the end far away from the sealing surface is stretched, and the first elastic piece 30 returns to the natural state; in the third state, the first elastic member 30 itself does not undergo stretching or compression, and the first elastic member 30 as a whole moves in a direction away from the sealing surface.
The multi-channel switching valve is designed with a buffer spring mounting mode, so that the sealing surface cannot be displaced due to displacement of the valve rod 15 when the sealing surface is sealed, an intermediate state switching mode is achieved, and multiple channels and multiple loops are switched in a combined mode.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (11)
1. The utility model provides a multichannel switching valve, includes the valve body that is equipped with the valve pocket and installs the driving piece on the valve body, the valve body include with the water inlet that the valve pocket links to each other, delivery port and a plurality of outer return circuit interface, install first case subassembly in the valve pocket, first case subassembly pass through the valve rod with the driving piece is connected, first case subassembly install in between delivery port and the first outer return circuit interface, be used for control the delivery port with the break-make of first outer return circuit interface, first case with the crossing department of valve rod is connected with first elastic component, be provided with first support on the valve rod and hold the seat, first elastic component keep away from driving piece one end install in first support holds the seat, its characterized in that still is provided with a plurality of case subassemblies more than two in the valve body for control the switching of a plurality of outer return circuit interfaces, a plurality of case subassemblies with the valve rod links to each other the valve rod drives down and opens and shuts, first elastic component is in the valve rod is in driving down and presents three kinds of states, first elastic component is in the state under the valve rod the water inlet, the switching mode with other the other water filling valve of water inlet, the water injection valve mode switch between the water inlet and the other switching valve state and the water inlet and the other switching mode.
2. The multi-channel switching valve according to claim 1, wherein a first fixing member is provided in the first valve core, the first valve core is connected with the first fixing member and moves up and down along with the first fixing member, the valve rod is provided with a driving portion, when the valve rod driving portion does not contact with the first fixing member, the first fixing member is fixed, when the valve rod driving portion contacts with the first fixing member, the first fixing member moves along with the valve rod, and one end of the first elastic member, which is close to the driving member, is connected with the first fixing member.
3. The multi-channel switching valve of claim 1, wherein the external circuit interface comprises a first normally open interface, a second normally open interface, a first control interface and a second control interface, a second valve core assembly, a third valve core assembly and a fourth valve core assembly are further installed in the valve cavity, the first normally open interface is the first external circuit interface, the second valve core assembly is installed between the water inlet and the second normally open interface, when the second valve core assembly is opened, the water inlet is communicated with the second normally open interface, when the third valve core assembly is installed at the first control interface, the first control interface is opened, when the third valve core assembly is closed, the first control interface is closed, the fourth valve core assembly is installed at the second control interface, when the fourth valve core assembly is opened, the second control interface is opened, and when the fourth valve core assembly is closed, the second control interface is closed.
4. The multi-channel switching valve of claim 2, wherein the external circuit interface comprises a first normally open interface, a second normally open interface, a first control interface and a second control interface, a second valve core assembly, a third valve core assembly and a fourth valve core assembly are further installed in the valve cavity, the first normally open interface is the first external circuit interface, the second valve core assembly is installed between the water inlet and the second normally open interface, when the second valve core assembly is opened, the water inlet is communicated with the second normally open interface, when the third valve core assembly is installed at the first control interface, the first control interface is opened, when the third valve core assembly is closed, the first control interface is closed, the fourth valve core assembly is installed at the second control interface, when the fourth valve core assembly is opened, the second control interface is opened, and when the fourth valve core assembly is closed, the second control interface is closed.
5. The multi-channel switching valve according to claim 4, wherein when the multi-channel switching valve is in an initial state, the valve rod driving part is located at one end of the first fixing part, which is close to the driving part, the distance between the valve rod driving part and the first fixing part is a first distance, the first elastic part is in a compressed state, the first valve core assembly is closed, and the multi-channel switching valve is in a circulating state; when the driving piece drives the valve rod to move a first distance from the initial state to the direction away from the driving piece, one end of the elastic piece away from the driving piece stretches under the driving of the valve rod and returns to the normal state, the first valve core assembly is closed, and the multi-channel switching valve is in a water injection state; when the driving piece is driven by the initial state to move the valve rod to a second distance away from the direction of the driving piece, the first fixing piece is driven by the valve rod to move away from the direction of the driving piece, the first elastic piece is integrally driven by the first fixing piece and the first supporting seat to move away from the direction of the driving piece, the first valve core assembly is driven by the first fixing piece to move away from the direction of the driving piece, the first valve core assembly is opened, and the multi-channel switching valve is in a drainage state.
6. The multi-channel switching valve of claim 5, wherein the second spool assembly is closed, the third spool assembly is open, and the fourth spool assembly is open when the multi-channel switching valve is in an initial state.
7. The multi-channel switching valve of claim 5, wherein the second spool assembly opens, the third spool assembly opens, and the fourth spool assembly closes after the actuator moves the valve stem from the initial state a first distance away from the actuator.
8. The multi-channel switching valve of claim 5, wherein the second spool assembly is open, the third spool assembly is closed, and the fourth spool assembly is closed after the actuator moves the valve stem from the initial state a second distance away from the actuator.
9. The multi-channel switching valve of claim 4, wherein the first normally-open interface and the first control interface are connected by a first connection channel, the second normally-open interface and the second control interface are connected by a second connection channel, a one-way valve is disposed in the first connection channel, water flows from the first normally-open interface to the first control interface, a one-way valve is disposed in the second connection channel, and water flows from the second control interface to the second normally-open interface.
10. The multi-channel switching valve of claim 4, wherein the first normally open interface and the first normally open interface are connected by a first outer loop.
11. The multi-channel switching valve of claim 4, wherein the first control interface and the second control interface are connected by a second outer loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810112249.XA CN108061176B (en) | 2018-02-05 | 2018-02-05 | Multi-channel switching valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810112249.XA CN108061176B (en) | 2018-02-05 | 2018-02-05 | Multi-channel switching valve |
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| Publication Number | Publication Date |
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| CN108061176A CN108061176A (en) | 2018-05-22 |
| CN108061176B true CN108061176B (en) | 2024-04-30 |
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| CN201810112249.XA Active CN108061176B (en) | 2018-02-05 | 2018-02-05 | Multi-channel switching valve |
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| CN110906556B (en) * | 2018-09-18 | 2024-03-29 | 芜湖美的厨卫电器制造有限公司 | Water mixing device for water heater, water heater and water mixing method of water heater |
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| GB1213954A (en) * | 1968-08-07 | 1970-11-25 | Landis & Gyr Ag | Fluid-flow valves |
| CN202203546U (en) * | 2011-08-08 | 2012-04-25 | 北京艾迪西暖通科技有限公司 | Valve or pipe fitting and combination valve of solar heat exchanger |
| CN204828784U (en) * | 2015-06-25 | 2015-12-02 | 广东联塑科技实业有限公司 | Divide water collector terminal accessory |
| CN208281558U (en) * | 2018-02-05 | 2018-12-25 | 浙江华益精密机械股份有限公司 | multi-channel switching valve |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1213954A (en) * | 1968-08-07 | 1970-11-25 | Landis & Gyr Ag | Fluid-flow valves |
| CN202203546U (en) * | 2011-08-08 | 2012-04-25 | 北京艾迪西暖通科技有限公司 | Valve or pipe fitting and combination valve of solar heat exchanger |
| CN204828784U (en) * | 2015-06-25 | 2015-12-02 | 广东联塑科技实业有限公司 | Divide water collector terminal accessory |
| CN208281558U (en) * | 2018-02-05 | 2018-12-25 | 浙江华益精密机械股份有限公司 | multi-channel switching valve |
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| CN108061176A (en) | 2018-05-22 |
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Address after: 689 Jiefang Road, Diankou Industrial Zone, Zhuji County, Shaoxing City, Zhejiang Province Applicant after: Zhejiang Huayi Precision Machinery Co.,Ltd. Address before: 689 Jiefang Road, Diankou Industrial Zone, Zhuji County, Shaoxing City, Zhejiang Province Applicant before: ZHEJIANG HUAYI PRECISION MACHINERY Co.,Ltd. |
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