CN110594227B - Two-position three-way reversing valve with self-locking gas circuit - Google Patents
Two-position three-way reversing valve with self-locking gas circuit Download PDFInfo
- Publication number
- CN110594227B CN110594227B CN201910922722.5A CN201910922722A CN110594227B CN 110594227 B CN110594227 B CN 110594227B CN 201910922722 A CN201910922722 A CN 201910922722A CN 110594227 B CN110594227 B CN 110594227B
- Authority
- CN
- China
- Prior art keywords
- air
- piston
- air control
- valve core
- pilot valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 16
- 210000004907 gland Anatomy 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims 8
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Driven Valves (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a gas circuit self-locking two-position three-way reversing valve, which comprises: the valve comprises a valve body, an electromagnetic actuator, a pilot valve core, a pilot valve seat, a first air control assembly and a second air control assembly, wherein the first air control assembly and the second air control assembly respectively comprise a bottom cover, a piston and an air control valve core, the front end of a valve core cavity is respectively provided with a first air passage communicated with an air supply pipe joint, the inner wall of the valve core cavity is respectively provided with a second air passage extending to the outer side of the valve body, the valve body is internally provided with a third air passage communicated with the air inlet chamber corresponding to the valve core cavity corresponding to the first air control assembly and the second air control assembly, and the valve body is internally provided with a fourth air passage communicated with an air supply pipe joint and a pilot valve seat fixing hole. Through the mode, the gas circuit self-locking two-position three-way reversing valve is simple and convenient to operate, achieves quick reversing, and enhances the sealing performance and self-locks when a single first gas passage port is closed, so that the reversing is more thorough.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a gas circuit self-locking two-position three-way reversing valve.
Background
The reversing valve for gas is a valve, can change the flow direction of the gas flow at proper time, realizes reversing operation of an actuator, and has wide application in the fields of gas production and use.
The existing reversing valve needs a valve core to switch an airflow channel to realize reversing, and the air flow has high requirements on the sealing performance of the channel, particularly the sealing performance of a channel switching part cannot be ensured, so that the problem of leakage is easy to occur, the reversing is incomplete or the power loss is caused, and the improvement is needed.
Disclosure of Invention
The invention mainly solves the technical problem of providing the two-position three-way reversing valve with the self-locking gas circuit, which utilizes the gas flow to seal and lock the switching part of the gas flow channel, improves the sealing effect, ensures the convenience and the thoroughness of reversing and reduces the power loss.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a two tee bend switching-over valves of gas circuit auto-lock, include: the pilot valve comprises a valve body, an electromagnetic actuator, a pilot valve core, a pilot valve seat, a first air control component and a second air control component, wherein an air supply pipe joint is arranged on one side of the valve body, installation cavities corresponding to the first air control component and the second air control component one by one are arranged in the valve body at intervals, the installation cavities respectively comprise a bottom cover installation hole, a piston installation cavity and a valve core cavity which are communicated with each other from outside to inside in sequence, the first air control component and the second air control component respectively comprise a bottom cover, a piston and the pilot valve core, the bottom cover is arranged in the bottom cover installation hole, the pilot valve core is arranged in the valve core cavity, the piston is positioned in the piston installation cavity, an air inlet chamber is formed between the piston and the bottom cover in the piston installation cavity, first air passages are respectively arranged at the front ends of the valve core cavities, second air passages which are respectively extended to the outer sides of the valve body are respectively arranged on the inner walls of the valve core cavities, the first air control component is communicated with the third air inlet chamber corresponding to the second air control component, the valve core is respectively arranged on the valve body, the pilot valve core is fixedly connected with the first air passage, the pilot valve core is arranged in the valve seat, the pilot valve seat is fixedly connected with the pilot valve seat, the pilot valve seat is fixedly arranged in the valve seat, and the pilot valve seat is fixedly arranged in the pilot valve seat.
In a preferred embodiment of the present invention, the electromagnetic actuator is connected with the pilot valve seat fixing hole in a threaded manner, and the electromagnetic actuator drives the first passive rod to descend when being powered.
In a preferred embodiment of the invention, a return spring is arranged between the lower part of the outer circle of the pilot valve core and the bottom of the pilot valve seat fixing hole, sealing rubber rings are respectively arranged at the two ends of the pilot valve core and the air control valve core, and a plurality of ventilation grooves extending to the front end axially are concavely arranged on the outer circle of the air control valve core.
In a preferred embodiment of the present invention, the third air passage is of a C-shaped structure.
In a preferred embodiment of the present invention, the first air control assembly and the second air control assembly further respectively include a spiral ring, a diaphragm gland, a diaphragm, a piston sleeve and an air control valve seat which are sequentially arranged in the piston mounting cavity, the air control valve seat is fixed at the tail end of the piston mounting cavity in a threaded manner, the piston is arranged in the piston sleeve, the rear end of the air control valve core is respectively provided with a second passive rod penetrating through the corresponding air control valve seat and pointing to the piston, the diaphragm is positioned at the rear end of the piston sleeve for elastic blocking, the diaphragm gland is arranged at the rear end of the diaphragm for pressing and fixing the edge of the diaphragm, the diaphragm gland is provided with a plurality of air holes, and the spiral ring is fixed in the piston mounting cavity in a threaded manner for limiting the diaphragm gland.
In a preferred embodiment of the invention, the front end of the diaphragm pressing cover is concavely provided with a diaphragm backward protruding avoiding groove.
In a preferred embodiment of the invention, an exhaust chamber is directly formed in the piston mounting cavity between the piston sleeve and the air control valve seat, and an air leakage hole communicated with the exhaust chamber is arranged on the outer side of the valve body.
In a preferred embodiment of the present invention, an actuating air passage pipe joint corresponding to the second air passage is disposed at the outer side of the valve body.
In a preferred embodiment of the present invention, when the electromagnetic actuator is not powered, the pilot valve core keeps the fourth air passage open under the action of the return spring, the air flow from the air pipe connector is sent to the fifth air passage and the air inlet chamber corresponding to the first air control component, the piston in the first air control component is driven to move forward, so that the air control valve core moves forward to block the corresponding first air passage, and keeps the second air control component open corresponding to the first air passage, and the air flow from the air pipe connector is sent to the second air control component corresponding to the second air passage.
In a preferred embodiment of the present invention, when the electromagnetic actuator is powered on, the pilot valve core closes the fourth air passage, the air flow from the air supply pipe connector is sent to the third air passage, and the piston in the second air control component is driven to move forward, so that the air control valve core moves forward to block the corresponding first air passage, and the opening of the first air control component corresponding to the first air passage is maintained, and the air flow from the air supply pipe connector is independently sent to the second air passage corresponding to the first air control component, so as to realize air flow reversing.
The beneficial effects of the invention are as follows: according to the gas circuit self-locking two-position three-way reversing valve, the electromagnetic actuator is utilized to drive the pilot valve core, the operation is simple and convenient, the driving of the air flow to the first air control component or the second air control component is realized, the action sensitivity of the air control valve core and the pressure when the corresponding first air passage is blocked are increased, the quick reversing is realized, and meanwhile, the sealing performance is enhanced and the self-locking is realized when a single first air passage port is closed, so that the reversing is more thorough, the air flow leakage is avoided, and the power consumption problem is reduced.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic view of a two-position three-way reversing valve with self-locking gas circuit according to a preferred embodiment of the present invention;
FIG. 2 is a C-C cross-sectional view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
fig. 4 is a schematic view of the first gas control assembly of fig. 2 after removal.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 4, an embodiment of the present invention includes:
The two-position three-way reversing valve with self-locking gas circuit shown in fig. 1 comprises: the electromagnetic valve comprises a valve body 1, an electromagnetic actuator 17, a pilot valve core 16, a pilot valve seat 15, a first air control component and a second air control component, wherein an air supply pipe joint 27 is arranged on one side of the valve body 1 for supplying air flow.
As shown in fig. 4, two groups of installation cavities corresponding to the first air control component and the second air control component are arranged in the middle of the valve body 1, the installation cavities respectively comprise a bottom cover installation hole 21, a piston installation cavity 22 and a valve core cavity 23 which are sequentially communicated from outside to inside, and the front ends of the valve core cavities 23 are respectively provided with a first air passage 28 communicated with a joint of an air supply pipe 27 to guide air flow.
As shown in fig. 2, the first air control assembly and the second air control assembly respectively include a bottom cover 2, a piston 9 and an air control valve core 12, wherein the bottom cover 2 is arranged in a bottom cover mounting hole 21 in a threaded manner, and a first sealing ring 4 is additionally arranged for sealing, so that the leakage of air is avoided.
The first gas control assembly and the second gas control assembly further comprise a spiral ring 3, a diaphragm gland 5, a diaphragm 6, a piston sleeve 8 and a gas control valve seat 10 which are sequentially arranged in the piston mounting cavity 22 respectively, the gas control valve seat 10 is fixed at the front end of the piston mounting cavity 22 in a threaded mode and is sealed by a second sealing ring 11, the piston 9 is arranged in the piston sleeve 8, the piston 9 is guided by the piston sleeve 8, a third sealing ring 7 is arranged on the outer circle of the piston sleeve 8 to seal, and the problem of air leakage is avoided.
The air control valve core 12 is disposed in a valve core cavity 23, an air inlet chamber 20 is formed between the piston 9 and the bottom cover 2in the piston mounting cavity 22, and the air inlet chamber 20 is ventilated and then drives the piston 9. The inner wall of the valve core cavity 23 is respectively provided with a second air passage 25 extending to the outer side of the valve body 1, as shown in fig. 3, the outer side of the valve body 1 is provided with an execution air passage pipe joint A and an execution air passage pipe joint B corresponding to the second air passage 25, and the air flow switching of the execution air passage pipe joint A and the execution air passage pipe joint B is performed through the first air control component and the second air control component.
As shown in fig. 4, a third air passage 26 is provided in the valve body 1, and the third air passage 26 is connected to the valve core cavity corresponding to the first air control component and the air inlet chamber corresponding to the second air control component, and is in a C-shaped structure, and the third air passage 26 is in a C-shaped structure built in the valve body 1 through drilling a process hole and end blocking.
The second passive rods penetrating through the corresponding air control valve seat 10 and pointing to the piston 9 are respectively arranged at the rear ends of the air control valve cores 12, the air control valve cores 12 are driven forwards through the piston, the diaphragm 6 is located at the rear end of the piston sleeve 8 to conduct elastic blocking, the diaphragm gland 5 is arranged at the rear end of the diaphragm to conduct pressing and fixing on the edge of the diaphragm 6, the structural stability of the edge of the diaphragm 6 is improved, the diaphragm 6 is made of elastic materials such as plastic sheets, after the air inlet chamber 20 is ventilated, the middle of the diaphragm 6 is expanded forwards to drive the piston 9 to move forwards, gas isolation is conducted, contact between gas and the piston 9 is avoided, and the risk of gas leakage is further reduced.
The diaphragm gland 5 is provided with a plurality of ventilation holes, so that gas in the gas inlet chamber 20 can reach the outer side surface of the diaphragm 6, and the spiral ring 3 is fixed in the piston mounting cavity 22 in a threaded manner to limit the diaphragm gland 5. The middle part of the front end of the diaphragm pressing cover 5 is concavely provided with a diaphragm backward convex avoiding groove, so that the backward movement of the piston 9 is not influenced. The piston mounting cavity 22 directly forms an exhaust chamber in the piston sleeve 8 and the air control valve seat, an air leakage hole 24 communicated with the exhaust chamber is arranged on the outer side of the valve body, and the piston 9 is exhausted when moving forwards.
The valve body 1 is provided with a pilot valve seat fixing hole, and the pilot valve seat 15 is arranged in the pilot valve seat fixing hole in a threaded mode and is sealed by a fourth sealing ring 13, so that air flow leakage is avoided. The electromagnetic actuator 17 is arranged on the valve body 1 to drive the first driven rod, the valve body 1 is provided with a fifth air passage 18 which is communicated with the pilot valve seat fixing hole and the first air control component and corresponds to the air inlet chamber, and the communication and closing of the fifth air passage 18 and the fourth air passage 19 are realized through the pilot valve core 16.
The electromagnetic actuator 17 is connected with the pilot valve seat fixing hole in a threaded mode, the electromagnetic actuator 17 drives the first passive rod to descend when being electrified, closing of the fifth air passage 18 and the fourth air passage 19 is achieved, the electromagnetic actuator 17 is an automatic electromagnetic actuator, manual operation can be achieved, and flexibility is high.
A return spring 14 is arranged between the lower part of the outer circle of the pilot valve core 16 and the bottom of the pilot valve seat fixing hole, and when the electromagnetic actuator 17 is powered off, the return spring 14 drives the first passive rod to ascend and return, so that the opening of the fifth air passage 18 and the fourth air passage 19 is realized.
Sealing rubber rings are respectively arranged at the two ends of the pilot valve core 16 and the air control valve core 12, so that the tightness during air flow control is improved, and the leakage problem is avoided. The outer circle of the air control valve core 12 is concavely provided with a plurality of ventilation grooves extending to the front end in the axial direction, when the air control valve core 12 retreats, air flow enters the valve core cavity 23 through the corresponding first air passage 28 and the ventilation grooves, so that the air flow enters the corresponding second air passage 25, and when the air control valve core 12 advances, the first air passage 28 is blocked through the sealing rubber ring, so that the air tightness is good.
The electromagnetic actuator 17 adopts a manual-automatic electromagnetic actuator, can be operated manually, and has high flexibility. When the electromagnetic actuator 17 is not powered, the pilot valve core 16 keeps the fourth air passage 19 open under the action of the return spring 14, air flow from the air pipe connector 27 is sent to the fifth air passage 18 and the air inlet chamber corresponding to the first air control component, the piston in the first air control component is driven to move forward, the air control valve core moves forward to block the corresponding first air passage, the second air control component keeps the first air passage open, air flow from the air pipe connector is sent to the second air passage corresponding to the second air control component, the air flow is discharged through the execution air passage connector B, and the forward moving state of the piston in the first air control component is kept through the air flow, so that the corresponding first air passage is closed and locked;
When the electromagnetic actuator 17 is powered, the pilot valve core 16 descends to close the fourth air passage, air flow from the air supply pipe joint 27 is sent to the third air passage 26, the piston in the second air control assembly is driven to move forward, the air control valve core moves forward to block the corresponding first air passage, the opening of the first air passage corresponding to the first air control assembly is kept, the air flow from the air supply pipe joint is independently sent to the second air passage corresponding to the first air control assembly, the air flow is discharged through the execution air passage joint A, air passage reversing is achieved, the forward moving state of the piston in the second air control assembly is kept through the air flow, and closing and locking of the corresponding first air passage are achieved.
In summary, the gas circuit self-locking two-position three-way reversing valve provided by the invention can manually or electrically reverse the gas circuit, has high switching speed and good gas circuit tightness, avoids the problems of leakage and decompression, and improves the use safety and stability.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (8)
1. The utility model provides a two tee bend switching-over valves of gas circuit auto-lock which characterized in that includes: the electromagnetic actuator, the pilot valve core, the pilot valve seat, first accuse gas subassembly and second accuse gas subassembly, valve body one side is provided with the air feed coupling, the interval is provided with the installation cavity that corresponds with first accuse gas subassembly and second accuse gas subassembly one by one in the valve body, the installation cavity is including bottom mounting hole, piston installation cavity and the valve core chamber that communicate in proper order from outside to interior respectively, first accuse gas subassembly and second accuse gas subassembly include bottom, piston and accuse gas valve core respectively, the bottom sets up in the bottom mounting hole, accuse gas core sets up in the valve core chamber, the piston is located the piston installation cavity, form the air inlet chamber in the piston installation cavity between piston and bottom, valve core chamber front end is provided with the first air flue that is linked together with the air feed coupling respectively, be provided with the second air flue that extends to the valve body outside on the valve core chamber inner wall respectively, the valve body is internally provided with a third air passage which is communicated with a valve core cavity corresponding to the first air control component and an air inlet chamber corresponding to the second air control component, the valve body is provided with a pilot valve seat fixing hole, the pilot valve seat is arranged in the pilot valve seat fixing hole, the valve body is internally provided with a fourth air passage which is communicated with an air supply pipe joint and the pilot valve seat fixing hole, the pilot valve core is arranged in the pilot valve seat for controlling the fourth air passage, the top of the pilot valve core is provided with a first driven rod which penetrates the pilot valve seat and extends upwards, the electromagnetic actuator is arranged on the valve body for driving the first driven rod, the valve body is internally provided with a fifth air passage which is communicated with the pilot valve seat fixing hole and the air inlet chamber corresponding to the first air control component, a reset spring is arranged between the lower part of the excircle of the pilot valve core and the bottom of the pilot valve seat fixing hole, the pilot valve core and the air control valve core are respectively provided with a sealing rubber ring at two ends, a plurality of ventilation grooves extending to the front end in the axial direction are concavely formed in the excircle of the air control valve core, the first air control component and the second air control component further respectively comprise a spiral ring, a membrane gland, a membrane, a piston sleeve and an air control valve seat which are sequentially arranged in a piston mounting cavity, the air control valve seat is fixed at the tail end of the piston mounting cavity in a threaded mode, the piston is arranged in the piston sleeve, the rear end of the air control valve core is respectively provided with a second passive rod penetrating through the corresponding air control valve seat and pointing to the piston, the membrane is located at the rear end of the piston sleeve for elastic sealing, the membrane gland is arranged at the rear end of the membrane for pressing and fixing the edge of the membrane, the membrane gland is provided with a plurality of ventilation holes, and the spiral ring is fixed in the piston mounting cavity in a threaded mode for limiting the membrane gland.
2. The gas circuit self-locking two-position three-way reversing valve according to claim 1, wherein the electromagnetic actuator is connected with the pilot valve seat fixing hole in a threaded mode, and the electromagnetic actuator drives the first passive rod to descend when being powered.
3. The gas circuit self-locking two-position three-way reversing valve according to claim 1, wherein the third gas passage is of a C-shaped structure.
4. The air path self-locking two-position three-way reversing valve according to claim 1, wherein the front end of the diaphragm pressing cover is concavely provided with a diaphragm backward-convex avoiding groove.
5. The gas circuit self-locking two-position three-way reversing valve according to claim 1, wherein an exhaust chamber is directly formed in the piston mounting cavity between the piston sleeve and the gas control valve seat, and a gas leakage hole communicated with the exhaust chamber is arranged on the outer side of the valve body.
6. The air passage self-locking two-position three-way reversing valve according to claim 1, wherein an execution air passage pipe joint corresponding to the second air passage is arranged on the outer side of the valve body.
7. The air path self-locking two-position three-way reversing valve according to claim 1, wherein when the electromagnetic actuator is not powered on, the pilot valve core keeps the fourth air path open under the action of the return spring, air flow from the air pipe joint is sent into the fifth air path and the air inlet chamber corresponding to the first air control assembly, the piston in the first air control assembly is driven to move forward, the air control valve core is driven to move forward to block the corresponding first air path, the second air control assembly is kept open corresponding to the first air path, and air flow from the air pipe joint is sent into the second air control assembly corresponding to the second air path.
8. The air path self-locking two-position three-way reversing valve according to claim 7, wherein when the electromagnetic actuator is powered on, the pilot valve core closes the fourth air path, air flow from the air supply pipe joint is sent to the third air path, the piston in the second air control component is driven to move forward, the air control valve core moves forward to block the corresponding first air path, the opening of the first air control component corresponding to the first air path is kept, and the air flow from the air supply pipe joint is independently sent to the second air path corresponding to the first air control component, so that air flow reversing is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910922722.5A CN110594227B (en) | 2019-09-27 | 2019-09-27 | Two-position three-way reversing valve with self-locking gas circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910922722.5A CN110594227B (en) | 2019-09-27 | 2019-09-27 | Two-position three-way reversing valve with self-locking gas circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110594227A CN110594227A (en) | 2019-12-20 |
| CN110594227B true CN110594227B (en) | 2024-08-20 |
Family
ID=68863953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910922722.5A Active CN110594227B (en) | 2019-09-27 | 2019-09-27 | Two-position three-way reversing valve with self-locking gas circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110594227B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211082429U (en) * | 2019-09-27 | 2020-07-24 | 昆山海芯机电科技有限公司 | Two-position three-way reversing valve with self-locking gas circuit |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208982U (en) * | 1987-06-08 | 1988-12-14 | 王传友 | Diaphragm pneumatic change valve |
| JP4386122B2 (en) * | 2007-10-05 | 2009-12-16 | 株式会社デンソー | Hydraulic control device |
| CN201159309Y (en) * | 2008-02-28 | 2008-12-03 | 毛孟其 | Two-position three-way air control valve |
| CN101846111A (en) * | 2010-06-10 | 2010-09-29 | 江苏鼎晟液压有限公司 | Pilot proportional multi-path reversing valve |
| CN104033438B (en) * | 2014-06-09 | 2016-03-02 | 烟台宝钢钢管有限责任公司 | A kind of multi-functional anti-hydraulic lock electro-hydraulic reversing valve pilot valve |
| CN104390037A (en) * | 2014-10-31 | 2015-03-04 | 无锡气动技术研究所有限公司 | Four-position five-way reversal valve |
-
2019
- 2019-09-27 CN CN201910922722.5A patent/CN110594227B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211082429U (en) * | 2019-09-27 | 2020-07-24 | 昆山海芯机电科技有限公司 | Two-position three-way reversing valve with self-locking gas circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110594227A (en) | 2019-12-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106015641B (en) | A kind of high energy-saving electromagnetic valve of piston type self-sustaining | |
| CN113819267B (en) | Valve rod assembly, main valve structure and pressure relief type two-position five-way electromagnetic reversing valve | |
| CN110594227B (en) | Two-position three-way reversing valve with self-locking gas circuit | |
| CN211082429U (en) | Two-position three-way reversing valve with self-locking gas circuit | |
| CN111720590B (en) | Reversing valve capable of simultaneously deflating and simultaneously admitting air | |
| CN112923079A (en) | Double seal valve | |
| CN110145616B (en) | A mechanical switching device | |
| CN103939649B (en) | Self-operated type stop valve | |
| CN214500087U (en) | Double seal valve | |
| CN105587898B (en) | A kind of multichannel water-through valve | |
| TWI759718B (en) | Pneumatic directional control valve | |
| CN116608288A (en) | Switch valve | |
| CN217761507U (en) | Pneumatic control reversing valve | |
| CN219796192U (en) | Two-position three-way pilot electromagnetic valve | |
| CN114542969B (en) | Solenoid valve of high-pressure bottle valve and high-pressure bottle valve | |
| CN203286053U (en) | Straight-through type quick exhaust valve | |
| CN208503613U (en) | Leading gas injection valve | |
| CN112728126A (en) | Piston type electromagnetic valve opened without differential pressure | |
| CN207660920U (en) | Integrated form valve and air-powered electromagnetic combination valve | |
| CN219827811U (en) | Low-power consumption pilot type diaphragm electromagnetic valve | |
| CN113586791B (en) | Electromagnetic valve with rapid exhaust function | |
| CN201053517Y (en) | Vacuum stop valve | |
| CN215410458U (en) | Valve core assembly mounting structure of miniature two-position three-way electromagnetic valve | |
| CN205446817U (en) | Water valve is led to to multichannel | |
| CN214425119U (en) | Pneumatic cone valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |