CN114484019B - Electrical double-control reversing valve - Google Patents
Electrical double-control reversing valve Download PDFInfo
- Publication number
- CN114484019B CN114484019B CN202210186043.8A CN202210186043A CN114484019B CN 114484019 B CN114484019 B CN 114484019B CN 202210186043 A CN202210186043 A CN 202210186043A CN 114484019 B CN114484019 B CN 114484019B
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- Prior art keywords
- air port
- annular groove
- communicated
- control
- valve rod
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- 238000007789 sealing Methods 0.000 claims description 21
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 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
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/22—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- 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
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
- F16K11/0712—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides comprising particular spool-valve sealing means
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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
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/24—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an electromagnetically-operated valve, e.g. for washing machines
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/40—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
- F16K31/406—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor acting on a piston
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
- F16K31/605—Handles for single handle mixing valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Multiple-Way Valves (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses an electric double-control reversing valve which comprises a valve body, wherein an electromagnetic valve cavity and a control valve cavity are arranged in the valve body, and an electromagnetic valve rod and a control valve rod are respectively and slidably connected in the electromagnetic valve cavity and the control valve cavity; the valve body is provided with a first guide seat and a second guide seat which are respectively arranged on two sides of the electromagnetic valve rod, one end of the valve body is provided with a first outlet, an air source inlet and a second outlet which are all communicated with the electromagnetic valve cavity, and the valve body is also provided with a first air port, a second air port and an emergency air port which are all communicated with the control valve cavity; according to the invention, the two buttons and the corresponding pilot air ports are matched with the electromagnetic cores, so that the window can be manually controlled to be opened and closed, the control is convenient, electric driving is not needed, the influence of electric power failure is avoided, the work is stable, and the safety is further improved.
Description
Technical Field
The invention relates to an electric double-control reversing valve.
Background
The fire control skylight needs to be kept closed at ordinary times, and when a fire disaster occurs, the fire control skylight needs to be opened in time, so that the damage of indoor smoke dust to a human body is reduced, the traditional fire control skylight adopts electric control, the travel time is required, standby power is required, the fire control smoke discharging function is leaked once the power is lost, the pneumatic control skylight is adopted, the pneumatic mechanism is complex, the existing control valve for changing the air path to control the opening and closing of the fire control skylight is complex in structure, most of the control valve is controlled only through one air source, no emergency air source is carried, and a mechanism capable of rapidly and manually opening the window when no fault is arranged is adopted, so that the safety is insufficient, the applicability is poor, and the electric double-control reversing valve with simple structure and high safety is designed.
Disclosure of Invention
The invention aims to provide an electric double-control reversing valve so as to solve the problem of poor applicability in the prior art.
In order to solve the technical problems, the electric double-control reversing valve provided by the invention comprises a valve body, wherein an electromagnetic valve cavity and a control valve cavity are arranged in the valve body, and an electromagnetic valve rod and a control valve rod are respectively and slidably connected in the electromagnetic valve cavity and the control valve cavity; a first outlet, an air source inlet and a second outlet which are all communicated with the electromagnetic valve cavity are arranged at one end of the valve body, and a first air port, a second air port and an emergency air port which are all communicated with the control valve cavity are also arranged on the valve body;
When the control valve rod is positioned at the first control station, the electromagnetic valve rod is used for controlling the communication state of the first outlet, the air source inlet and the second outlet with the first air port and the second air port respectively through displacement;
When the control valve rod is positioned at the second control station, the emergency air port is communicated with the second air port, and the first outlet, the air source inlet and the second outlet are not communicated with the first air port and the second air port.
A first guide seat and a second guide seat are respectively arranged on two sides of the electromagnetic valve rod on the valve body, and a first flow passage and a second flow passage which are communicated with the electromagnetic valve cavity and the control valve cavity are arranged in the valve body; the emergency air port is communicated with a high-pressure emergency air source, and the air source inlet is communicated with a working air source;
when the control valve rod is positioned at a first control station and the electromagnetic valve rod is positioned at a first pilot station, the air source inlet is communicated with the second air port through the second flow channel, and the first air port is communicated with the first outlet through the first flow channel;
When the control valve rod is positioned at a first control station and the electromagnetic valve rod is positioned at a second pilot station, the air source inlet is communicated with the first air port through the first flow channel, and the second air port is communicated with the second outlet through the second flow channel;
When the emergency air source is opened and the control valve rod is positioned at the second control station, the emergency air port is communicated with the second air port, and the first air port is communicated with the emptying hole arranged on the valve body.
The two sides of the electromagnetic valve cavity are respectively provided with a piston cavity, and the two ends of the electromagnetic valve rod are respectively provided with a piston which is in sliding connection with the corresponding piston cavities; one side of each piston cavity is provided with a pilot air port communicated with the piston cavity, and electromagnetic cores arranged in the first pilot seat and the second pilot seat respectively close the adjacent pilot air ports to ensure that the pilot air ports are not communicated with the corresponding piston cavities; the valve body is provided with two buttons which are respectively used for manually opening the corresponding pilot air ports.
Each button comprises a sliding rod, each sliding rod is in sliding connection with the valve body, the front end of each pilot air port is in a round table shape, the front part of each sliding rod is abutted against the curved surface section of the corresponding pilot air port, and each sliding rod is used for extruding the corresponding electromagnetic core to enable the electromagnetic core to be far away from the adjacent pilot air port.
Preferably, the connection parts of the inner peripheral wall of the electromagnetic valve cavity and the first outlet, the first runner, the air source inlet, the second runner and the second outlet are respectively provided with a first annular groove, a second annular groove, a third annular groove, a fourth annular groove and a fifth annular groove which are in one-to-one correspondence in sequence along the axial direction; a plurality of oblate sealing parts are sequentially arranged on the electromagnetic valve rod along the axial direction.
Preferably, when the electromagnetic valve rod is in the first pilot station, one sealing part enables the second annular groove and the third annular groove to be out of communication, and the other sealing part enables the fourth annular groove and the fifth annular groove to be out of communication;
When the electromagnetic valve rod is in the second pilot station, one sealing part enables the first annular groove and the second annular groove to be out of communication, and the other sealing part enables the third annular groove and the fourth annular groove to be out of communication.
Preferably, a sealing ring is arranged on each sealing part.
Preferably, a sixth annular groove, a seventh annular groove and an eighth annular groove are sequentially arranged on the control valve rod along the axial direction; when the control valve rod is positioned at a first control station, the first flow channel is communicated with the first air port through a sixth annular groove, and the second flow channel is communicated with the second air port through an eighth annular groove;
when the control valve rod is positioned at the second control station, the first air port is communicated with the emptying hole through the seventh annular groove, and the second air port is directly communicated with the emergency air port.
Preferably, sealing rings are arranged on the control valve rod among the sixth annular groove, the seventh annular groove and the eighth annular groove.
Preferably, the valve body is provided with a manual pin for resetting the control valve rod.
After adopting the structure, compared with the prior art, the invention has the following advantages: according to the invention, the operation of opening and closing the window can be controlled by controlling the displacement of the electromagnetic valve rod, the operation is stable, the response speed is high, and when a circuit fault occurs in a fire disaster, the emergency air source is used for pushing the control valve rod to switch the station so as to realize the opening and closing of the window, so that the safety is good, the structure is ingenious, and the space is saved; according to the invention, the two buttons and the corresponding pilot air ports are matched with the electromagnetic cores, so that the window can be manually controlled to be opened and closed, the control is convenient, electric driving is not needed, the influence of electric power failure is avoided, the work is stable, and the safety is further improved.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the present invention;
FIG. 3 is a schematic view of the structure of the control valve stem of the present invention in a second control station;
FIG. 4 is a schematic view of the structure of the electromagnetic valve rod of the present invention at a second pilot station;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4 in accordance with the present invention;
fig. 6 is an enlarged view of a portion of the area C of fig. 5 in accordance with the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
As shown in fig. 1 to 6, the electric double-control reversing valve comprises a valve body 1, wherein an electromagnetic valve cavity 2 and a control valve cavity 3 are arranged in the valve body 1, and an electromagnetic valve rod 21 and a control valve rod 31 are respectively and slidably connected with the electromagnetic valve cavity 2 and the control valve cavity 3; a first outlet 22, an air source inlet 23 and a second outlet 24 which are all communicated with the electromagnetic valve cavity 2 are arranged at one end of the valve body 1, and a first air port 32, a second air port 33 and an emergency air port 34 which are all communicated with the control valve cavity 3 are also arranged on the valve body 1;
When the control valve rod 31 is in the first control station, the electromagnetic valve rod 21 is used for controlling the communication state of the first outlet 22, the air source inlet 23 and the second outlet 24 with the first air port 32 and the second air port 33 respectively through displacement;
When the control valve rod 31 is in the second control station, the emergency air port 34 is communicated with the second air port 33, and the first outlet 22, the air source inlet 23 and the second outlet 24 are not communicated with the first air port 32 and the second air port 33.
In this embodiment, under normal conditions, the electromagnetic valve rod 21 is displaced to control the opening and closing of the window, and in case of fire, the high-pressure emergency air source connected with the emergency air port 34 is started, so that the control valve rod 31 is positioned at the second control station, and the opening and closing of the window is completed rapidly; the electromagnetic valve cavity 2 is provided with a working air source, the working air source is communicated with the electromagnetic valve cavity 2 to finish daily window opening and closing work, the air tightness of the electromagnetic valve cavity 2 is insufficient, the service life of the device is considered, the pressure of the working air source cannot be too large, an emergency air source does not need to enter the electromagnetic valve cavity 2, the annular grooves in the control valve cavity 3 are fewer, the structure is simple, the air tightness is good, the air pressure of the emergency air source can be far larger than that of the working air source, the window opening response speed is high, the condition that the window cannot be opened due to burning damage in a fire disaster process is avoided, the safety is good, and the damage of the emergency air source to the electromagnetic valve cavity 2 can be avoided.
It should be noted that, in the electromagnetic valve cavity 2 of this embodiment, the principle of a pilot electromagnetic valve is preferably adopted, and in other embodiments, a common electromagnetic valve, a cylinder or hydraulic pressure mode may be adopted to drive the electromagnetic valve rod 21, so that daily window opening and closing work may be completed.
In this embodiment, the method is preferably applied to air path control of a fire skylight, and in other embodiments, the method can also be applied to air path control units of other pneumatic devices.
A first guide seat 41 and a second guide seat 42 are respectively arranged on the two sides of the electromagnetic valve rod 21 on the valve body 1, and a first flow passage 51 and a second flow passage 52 which are communicated with the electromagnetic valve cavity 2 and the control valve cavity 3 are respectively arranged in the valve body 1; the emergency air port 34 is communicated with a high-pressure emergency air source, and the air source inlet 23 is communicated with a working air source; in general, the emergency air source is in a closed state; in this embodiment, the second air port 33 is communicated with an opening air port of the fire-fighting skylight, and the first air port 32 is communicated with an opening air port of the fire-fighting skylight;
When the control valve rod 31 is in the first control station shown in fig. 2 and the electromagnetic valve rod 21 is in the first pilot station shown in fig. 2, the air source inlet 23 is communicated with the second air port 33 through the second flow channel 52, and the first air port 32 is communicated with the first outlet 22 through the first flow channel 51; at the moment, the working air source opens the fire skylight;
When the control valve rod 31 is positioned at a first control station and the electromagnetic valve rod 21 is positioned at a second pilot station, the air source inlet 23 is communicated with the first air port 32 through the first flow passage 51, and the second air port 33 is communicated with the second outlet 24 through the second flow passage 52; at the moment, the working air source closes the fire skylight;
When the emergency air source is opened and the control valve rod 31 is in the second control station, the emergency air port 34 is communicated with the second air port 33, the first air port 32 is communicated with the emptying hole 86 arranged on the valve body 1, the emptying hole 86 is communicated with air, and at the moment, the emergency air source enables the fire skylight to be opened.
In this embodiment, through the displacement of solenoid valve rod 21, can control the window work of opening and shutting, job stabilization, response speed is fast, if circumstances such as circuit failure appear in the conflagration, promotes control valve rod 31 through emergent air supply and switches the station and realize opening the window, and the security is good, and the while structure is ingenious, saves space.
It should be noted that the present embodiment is not only used with fire sunroofs, but also can be applied to other fluid control sites.
The electromagnetic valve rod 21 is positioned at a first pilot station on the side close to the first pilot seat 41 as shown in fig. 2, and is positioned at a second pilot station on the side far from the first pilot seat 41 in the same way; the control valve rod 31 is located at a first control station on a side far from the first guide seat 41 as shown in fig. 2, and is located at a second control station on a side close to the first guide seat 41.
The two sides of the electromagnetic valve cavity 2 are provided with piston cavities 71, and the two ends of the electromagnetic valve rod 21 are provided with pistons 72 which are respectively connected with the corresponding piston cavities 71 in a sliding manner; one side of each piston cavity 71 is provided with a pilot air port 73 communicated with the piston cavity, and electromagnetic cores 74 arranged in the first pilot seat 41 and the second pilot seat 42 respectively close the adjacent pilot air ports 73 so that the pilot air ports 73 are not communicated with the corresponding piston cavities 71; the valve body 1 is provided with two buttons 75 for manually opening the corresponding pilot air ports 73 respectively; when one button 75 is pressed, the solenoid valve stem 21 moves away from the button 75.
Each button 75 comprises a sliding rod 76, each sliding rod 76 is in sliding connection with the valve body 1, the front end of each pilot air port 73 is in a round table shape, the front part of each sliding rod 76 abuts against a curved surface section 77 of the corresponding pilot air port 73, and each sliding rod 76 is used for extruding the corresponding electromagnetic core 74 to enable the electromagnetic core 74 to be far away from the adjacent pilot air port 73; in this embodiment, as shown in fig. 6, after the button 75 is pressed, the front part of the sliding rod 76 extends into the gap between the pilot air port 73 and the front end of the electromagnetic core 74, the pushing surface 78 on the sliding rod 76 pushes the electromagnetic core 74 open, and the pilot air port 73 is communicated with the corresponding piston cavity 71; in this embodiment, the electromagnetic core 74 and the electromagnetic valve rod 21 are perpendicular to each other, so that the first guide seat 41 and the second guide seat 42 can be disposed on the large end surface of the valve body 1, which is beneficial to reducing the length and facilitating the assembly.
In this embodiment, the first guide seat 41 and the second guide seat 42 are normally powered on and off to control the movement of the electromagnetic valve rod 21 so as to control the switch window, and the electromagnetic valve can be manually controlled by matching the two buttons 75 and the pilot air port 73 with the electromagnetic core 74, so that the control is convenient, electric driving is not needed, the influence of electric power failure is avoided, and the operation is stable, safe and reliable.
The connection parts of the inner peripheral wall of the electromagnetic valve cavity 2 and the first outlet 22, the first flow passage 51, the air source inlet 23, the second flow passage 52 and the second outlet 24 are respectively provided with a first annular groove 61, a second annular groove 62, a third annular groove 63, a fourth annular groove 64 and a fifth annular groove 65 which are in one-to-one correspondence in sequence along the axial direction; a plurality of oblate sealing portions 66 are sequentially provided on the electromagnetic valve rod 21 in the axial direction.
When the solenoid valve stem 21 is in the first pilot position, one seal 66 causes the second annular groove 62 and the third annular groove 63 to be no longer in communication, and the other seal 66 causes the fourth annular groove 64 and the fifth annular groove 65 to be no longer in communication; as shown in fig. 2, the working gas source enters the second flow passage 52 through the gas source inlet 23, the third annular groove 63 and the fourth annular groove 64 in this order; the return gas enters the first outlet 22 from the first flow passage 51 through the second annular groove 62 and the first annular groove 61 in sequence;
When the electromagnetic valve rod 21 is in the second pilot position, one sealing portion 66 makes the first annular groove 61 and the second annular groove 62 not communicated any more, and the other sealing portion 66 makes the third annular groove 63 and the fourth annular groove 64 not communicated any more; as shown in fig. 4, the working gas source enters the first flow passage 51 through the gas source inlet 23, the third annular groove 63 and the second annular groove 62 in this order; the return gas sequentially passes through the fourth annular groove 64 and the fifth annular groove 65 from the second flow passage 52 and enters the second outlet 24; the first outlet 22 and the second outlet 24 are both in communication with a gas collection device for collecting the return gas.
Each seal 66 is provided with a sealing ring, and the axial width of each seal 66 is smaller than the width of any annular groove, so that the seal is no longer effective when the seal moves to any annular groove area.
A sixth annular groove 81, a seventh annular groove 82 and an eighth annular groove 83 are sequentially arranged on the control valve rod 31 along the axial direction; when the control valve rod 31 is in the first control station, the first flow passage 51 is communicated with the first air port 32 through a sixth annular groove 81, and the second flow passage 52 is communicated with the second air port 33 through an eighth annular groove 83;
when the control valve rod 31 is in the second control station, the first air port 32 is communicated with the emptying hole 86 through the seventh annular groove 82, and the second air port 33 is directly communicated with the emergency air port 34.
Sealing rings are arranged on the control valve rod 31 among the sixth annular groove 81, the seventh annular groove 82 and the eighth annular groove 83.
The valve body 1 is provided with a manual pin 311 for resetting the control valve rod 31.
The above description is only given for the preferred example of the application of the present invention, but it is not to be construed as limiting the claims, and the structure of the present invention can be changed in other ways, not limited to the above-described structure. In general, all changes that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (7)
1. An electric double-control reversing valve is characterized by comprising a valve body (1), wherein an electromagnetic valve cavity (2) and a control valve cavity (3) are arranged in the valve body (1), and the electromagnetic valve cavity (2) and the control valve cavity (3) are respectively and slidably connected with an electromagnetic valve rod (21) and a control valve rod (31); a first outlet (22), an air source inlet (23) and a second outlet (24) which are all communicated with the electromagnetic valve cavity (2) are arranged at one end of the valve body (1), and a first air port (32), a second air port (33) and an emergency air port (34) which are all communicated with the control valve cavity (3) are also arranged on the valve body (1);
when the control valve rod (31) is positioned at the first control station, the electromagnetic valve rod (21) is used for controlling the communication state of the first outlet (22), the air source inlet (23) and the second outlet (24) with the first air port (32) and the second air port (33) through displacement;
when the control valve rod (31) is positioned at the second control station, the emergency air port (34) is communicated with the second air port (33), and the first outlet (22), the air source inlet (23) and the second outlet (24) are not communicated with the first air port (32) and the second air port (33);
A first guide seat (41) and a second guide seat (42) are respectively arranged on two sides of the electromagnetic valve rod (21) on the valve body (1), and a first flow passage (51) and a second flow passage (52) which are communicated with the electromagnetic valve cavity (2) and the control valve cavity (3) are arranged in the valve body (1); the emergency air port (34) is communicated with a high-pressure emergency air source, and the air source inlet (23) is communicated with a working air source;
When the control valve rod (31) is positioned at a first control station and the electromagnetic valve rod (21) is positioned at a first pilot station, the air source inlet (23) is communicated with the second air port (33) through the second flow channel (52), and the first air port (32) is communicated with the first outlet (22) through the first flow channel (51);
when the control valve rod (31) is positioned at a first control station and the electromagnetic valve rod (21) is positioned at a second pilot station, the air source inlet (23) is communicated with the first air port (32) through the first flow channel (51), and the second air port (33) is communicated with the second outlet (24) through the second flow channel (52);
When the emergency air source is opened and the control valve rod (31) is positioned at the second control station, the emergency air port (34) is communicated with the second air port (33), and the first air port (32) is communicated with an emptying hole (86) arranged on the valve body (1);
Piston cavities (71) are arranged on two sides of the electromagnetic valve cavity (2), and pistons (72) which are respectively connected with the corresponding piston cavities (71) in a sliding manner are arranged on two ends of the electromagnetic valve rod (21); one side of each piston cavity (71) is provided with a pilot air port (73) communicated with the piston cavity, and electromagnetic cores (74) arranged in the first pilot seat (41) and the second pilot seat (42) respectively close the adjacent pilot air ports (73) so that the pilot air ports (73) are not communicated with the corresponding piston cavities (71); two buttons (75) which are respectively used for manually opening the corresponding pilot air ports (73) are arranged on the valve body (1);
Each button (75) comprises a sliding rod (76), each sliding rod (76) is in sliding connection with the valve body (1), the front end of each pilot air port (73) is in a round table shape, the front part of each sliding rod (76) is abutted against a curved surface section (77) corresponding to the pilot air port (73), and each sliding rod (76) is used for extruding the corresponding electromagnetic core (74) to enable the electromagnetic core to be far away from the adjacent pilot air port (73).
2. The electric double-control reversing valve according to claim 1, wherein the connection parts of the inner peripheral wall of the electromagnetic valve cavity (2) and the first outlet (22), the first flow channel (51), the air source inlet (23), the second flow channel (52) and the second outlet (24) are respectively provided with a first annular groove (61), a second annular groove (62), a third annular groove (63), a fourth annular groove (64) and a fifth annular groove (65) which are in one-to-one correspondence in sequence along the axial direction; a plurality of oblate sealing parts (66) are sequentially arranged on the electromagnetic valve rod (21) along the axial direction.
3. The electric double control reversing valve according to claim 2, characterized in that when the electromagnetic valve stem (21) is in the first pilot position, one sealing portion (66) brings the second annular groove (62) and the third annular groove (63) out of communication, and the other sealing portion (66) brings the fourth annular groove (64) and the fifth annular groove (65) out of communication;
When the electromagnetic valve rod (21) is in the second pilot station, one sealing part (66) enables the first annular groove (61) and the second annular groove (62) to be out of communication, and the other sealing part (66) enables the third annular groove (63) and the fourth annular groove (64) to be out of communication.
4. An electrical double control reversing valve according to claim 2, characterized in that each sealing portion (66) is provided with a sealing ring.
5. The electric double control reversing valve according to claim 1, wherein a sixth annular groove (81), a seventh annular groove (82) and an eighth annular groove (83) are sequentially arranged on the control valve rod (31) along the axial direction; when the control valve rod (31) is positioned at a first control station, the first flow passage (51) is communicated with the first air port (32) through a sixth annular groove (81), and the second flow passage (52) is communicated with the second air port (33) through an eighth annular groove (83);
When the control valve rod (31) is positioned at the second control station, the first air port (32) is communicated with the emptying hole (86) through the seventh annular groove (82), and the second air port (33) is directly communicated with the emergency air port (34).
6. The electric double control reversing valve according to claim 5, wherein sealing rings are arranged on the control valve rod (31) among a sixth annular groove (81), a seventh annular groove (82) and an eighth annular groove (83).
7. An electric double control reversing valve according to claim 1, characterized in that the valve body (1) is provided with a manual pin (311) for resetting the control valve rod (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210186043.8A CN114484019B (en) | 2022-02-28 | 2022-02-28 | Electrical double-control reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210186043.8A CN114484019B (en) | 2022-02-28 | 2022-02-28 | Electrical double-control reversing valve |
Publications (2)
| Publication Number | Publication Date |
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| CN207609814U (en) * | 2017-10-24 | 2018-07-13 | 宁波陈氏鑫光气动有限公司 | A kind of two-position-five-way solenoid valve |
| CN207687403U (en) * | 2017-11-14 | 2018-08-03 | 姜怀东 | More control reversal valves and valve module |
| CN108612884A (en) * | 2018-07-14 | 2018-10-02 | 佛山信卓派思机械科技有限公司 | A kind of double check valve of electromagnetism-hand-operated double controlled |
| CN109505818A (en) * | 2019-01-08 | 2019-03-22 | 宁波欧特龙气动科技有限公司 | A kind of vehicle safety control valve and its safety control system |
| CN111734847A (en) * | 2020-07-10 | 2020-10-02 | 宁波佳尔灵气动机械有限公司 | Triple electromagnetic valve |
| CN212003798U (en) * | 2020-03-19 | 2020-11-24 | 宁波佳尔灵气动机械有限公司 | Duplex electromagnetic valve for vehicle door system |
| CN112855986A (en) * | 2020-12-31 | 2021-05-28 | 浙江亿太诺气动科技有限公司 | Multi-needle valve terminal |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH081656U (en) * | 1996-05-28 | 1996-12-13 | エスエムシー株式会社 | Pilot type solenoid valve |
| CN105889563A (en) * | 2016-06-03 | 2016-08-24 | 姜怀东 | Car door safety control valve and car door safety control system |
| CN207609814U (en) * | 2017-10-24 | 2018-07-13 | 宁波陈氏鑫光气动有限公司 | A kind of two-position-five-way solenoid valve |
| CN207687403U (en) * | 2017-11-14 | 2018-08-03 | 姜怀东 | More control reversal valves and valve module |
| CN108612884A (en) * | 2018-07-14 | 2018-10-02 | 佛山信卓派思机械科技有限公司 | A kind of double check valve of electromagnetism-hand-operated double controlled |
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| CN212003798U (en) * | 2020-03-19 | 2020-11-24 | 宁波佳尔灵气动机械有限公司 | Duplex electromagnetic valve for vehicle door system |
| CN111734847A (en) * | 2020-07-10 | 2020-10-02 | 宁波佳尔灵气动机械有限公司 | Triple electromagnetic valve |
| CN112855986A (en) * | 2020-12-31 | 2021-05-28 | 浙江亿太诺气动科技有限公司 | Multi-needle valve terminal |
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| CN114484019A (en) | 2022-05-13 |
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