CN210034608U - Pilot air pressure electromagnetic valve - Google Patents
Pilot air pressure electromagnetic valve Download PDFInfo
- Publication number
- CN210034608U CN210034608U CN201920383721.3U CN201920383721U CN210034608U CN 210034608 U CN210034608 U CN 210034608U CN 201920383721 U CN201920383721 U CN 201920383721U CN 210034608 U CN210034608 U CN 210034608U
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Abstract
The utility model discloses a guide's atmospheric pressure solenoid valve, the both ends of valve body are sealing connection respectively has upper cover subassembly and lower cover subassembly, and the middle part of valve body is equipped with the gas outlet, and sealing connection has the mouthpiece of giving vent to anger on the gas outlet, and the internally mounted of valve body has valve subassembly, its characterized in that: the lower cover assembly is connected with the valve body to form an air inlet cavity, and the valve assembly comprises a valve seat, a valve guide rod which is slidably matched in the guide rod cavity on one side of the valve seat and a lower valve which is arranged in the lower valve cavity on the other side of the valve seat. The utility model is not only simple in structure, convenient assembling, manufacturing cost is lower for the working property of atmospheric pressure solenoid valve is more reliable and more stable, and the during operation pressure that can bear is also higher moreover, can effectively be applicable to application occasions such as high pressure, large-traffic.
Description
Technical Field
The utility model belongs to the technical field of the solenoid valve, concretely relates to guide's atmospheric pressure solenoid valve.
Background
With the continuous development of modern society, the popularization of automation equipment is more and more extensive, and the usage of solenoid valves as fluid automatic control elements is also more and more. The electromagnetic valves are various in types, but the basic principle is different, and a normally closed pilot electromagnetic valve is a common electromagnetic valve. The publication No. CN202252252U discloses a pilot diaphragm type high-pressure solenoid valve, which comprises a valve body, a valve cover arranged on the valve body, and a solenoid valve assembly arranged on the valve cover, wherein a flow inlet passage hole, a flow outlet passage hole and a valve port are formed on the valve body, a valve diaphragm assembly is arranged between the valve cover and the valve body, an upper cavity is formed between the valve diaphragm assembly and the valve cover, the valve diaphragm assembly comprises a support cover, a valve diaphragm arranged on the periphery of the support cover, and a sealing ring fixedly arranged at the bottom of the support cover, the sealing ring is arranged corresponding to the valve port, a valve main spring is arranged between the support cover and the valve cover, the valve diaphragm is provided with a throttle hole, the throttle hole is communicated with the flow inlet passage hole and the upper cavity, the solenoid valve assembly comprises a sleeve, a coil arranged on the periphery of the sleeve, a static iron core and a movable iron core arranged in the sleeve from top to bottom, the bottom of the movable iron core is provided with a sealing gasket, a pilot inlet hole and a pilot outlet hole are formed in the valve cover, the pilot inlet hole is communicated with the valve cavity and the upper cavity, the pilot outlet hole is communicated with the valve cavity and the outflow channel hole, and the pilot outlet hole and the sealing gasket are correspondingly arranged. However, the above-mentioned pilot diaphragm type high-pressure solenoid valve has the following disadvantages: firstly, the valve diaphragm assembly is complex in structure arrangement, so that the assembly difficulty is increased, the manufacturing cost is high, and the valve diaphragm is arranged on the periphery of the support cover and needs to drive the support cover to move so as to open or close the valve port, so that the sensitivity is low; secondly, owing to adopt diaphragm formula seal structure, not only lead to the holistic high temperature resistance of valve relatively poor, the pressure that the during operation can bear is also relatively lower moreover for there is great limitation in the solenoid valve when using, is difficult to popularize and apply.
Disclosure of Invention
The utility model provides a technical problem provide a simple structure, reasonable in design and convenient assembling's guide's atmospheric pressure solenoid valve.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme, a guide's atmospheric pressure solenoid valve, including the valve body, the both ends of this valve body sealing connection respectively have upper cover subassembly and lower cover subassembly, and the middle part of valve body is equipped with the gas outlet, and sealing connection has the mouthpiece of giving vent to anger on the gas outlet, and the internally mounted of valve body has valve assembly, its characterized in that: the lower cover component is connected with the valve body to form an air inlet cavity, the valve component comprises a valve seat, a valve guide rod which is arranged in a guide rod cavity on one side of the valve seat in a sliding mode, and a lower valve which is arranged in a lower valve cavity on the other side of the valve seat, one end of the valve guide rod is connected with a lower valve seat guide rod which penetrates through the guide rod cavity and the lower valve cavity, a sealing gasket which tightly seals the guide rod cavity and the lower valve cavity through the conical end of the lower valve seat is arranged on the lower valve seat, the other side of the lower valve seat is tightly pressed and fixed through a spring and a compression nut, a communication hole which communicates the lower valve cavity with the air inlet cavity is arranged in the middle of the compression nut, an upper sealing sleeve and a lower sealing sleeve are respectively and hermetically sleeved on limiting steps on the two sides of the valve seat, the upper sealing sleeve is tightly pressed and fixed through an upper sealing seat, an elastic gasket and a nut sequentially, the lower sealing sleeve sequentially passes through the lower sealing seat, the spring and the lower cover component are compressed and fixed, the inner side of the lower sealing seat is fixed on the valve seat through the elastic washer and the compression nut, the upper sealing sleeve and the lower sealing sleeve are alternately compressed to form an air outlet cavity and a pressure relief cavity corresponding to the step body opposite to the air outlet, an upper valve is arranged in the valve cavity of the upper cover component, the other end of the valve guide rod is connected with an upper valve seat guide rod penetrating through the guide rod cavity and the upper valve cavity, a sealing gasket for tightly sealing the guide rod cavity and the upper valve cavity through the conical end of the upper valve seat is arranged on the upper valve seat, the other side of the upper valve seat is connected with a movable iron core in the electromagnet component through a connecting rod, the electromagnet component is arranged in the electromagnet component shell, the electromagnet component shell is fixed on the upper cover component and is locked.
Preferably, the other side of the upper valve seat is connected with a movable iron core in the electromagnet assembly sequentially through a baffle and a connecting rod, an adjusting rod which is hinged with the electromagnet assembly shell through a pin shaft and used for manually controlling the opening and closing of the valve is arranged on the baffle, and the adjusting rod is pulled to lift so as to drive the opening and closing of the pilot valve.
Preferably, a sealing ring is arranged at the joint of the upper cover assembly and the valve body, a sealing ring is arranged at the joint of the lower cover assembly and the valve body, an air inlet nozzle is arranged on the lower cover assembly, and a sealing ring is arranged at the joint of the air outlet nozzle and the valve body.
Preferably, a sealing ring is arranged between the upper sealing sleeve and the valve seat, and a sealing ring is arranged between the lower sealing sleeve and the valve seat.
Preferably, be equipped with between mouthpiece connecting seat of giving vent to anger and the lock nut connecting seat and be used for preventing the stainless steel wire and the lead sealing of giving vent to anger mouthpiece and lock nut pine and taking off, be equipped with between mouthpiece connecting seat of giving vent to anger and the lower cover subassembly connecting seat and be used for preventing the stainless steel wire and the lead sealing of giving vent to anger mouthpiece and the lower cover subassembly pine and take off, be equipped with between mouthpiece connecting seat of giving vent to anger and the electromagnet assembly casing connecting seat and be used for preventing the stainless steel wire and the lead sealing of.
The utility model is not only simple in structure, convenient assembling, manufacturing cost is lower for the working property of atmospheric pressure solenoid valve is more reliable and more stable, and the during operation pressure that can bear is also higher moreover, can effectively be applicable to application occasions such as high pressure, large-traffic.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic diagram of the internal structure of the present invention.
In the figure: 1-a valve body, 2-an upper cover component, 3-a lower cover component, 4-an outlet nozzle, 5-a valve seat, 6-a valve guide rod, 7-a lower valve seat guide rod, 8-a lower valve seat, 9-a compression nut, 10-an upper sealing sleeve, 11-a lower sealing sleeve, 12-an upper sealing seat, 13-a Y-shaped sealing ring, 14-a lower sealing seat, 15-an upper valve seat guide rod, 16-an upper valve seat, 17-a connecting rod, 18-a movable iron core, 19-an electromagnet component shell, 20-a locking nut, 21-a socket component, 22-a baffle, 23-an adjusting rod, 24-a stainless steel wire and 25-a lead seal.
Detailed Description
The technical scheme of the utility model is described in detail with the attached drawings, a pilot air pressure solenoid valve comprises a valve body 1, wherein both ends of the valve body 1 are respectively connected with an upper cover component 2 and a lower cover component 3 in a sealing way, the middle part of the valve body 1 is provided with an air outlet, the air outlet is connected with an air outlet nozzle 4 in a sealing way, the valve body 1 is internally provided with a valve component, the lower cover component 3 is connected with the valve body 1 to form an air inlet cavity, the valve component comprises a valve seat 5, a valve guide rod 6 which is in sliding fit with the guide rod cavity at one side of the valve seat 5 and a lower valve which is arranged in the lower valve cavity at the other side of the valve seat 5, one end of the valve guide rod 6 is connected with a lower valve seat guide rod 7 which passes through the guide rod cavity and the lower valve cavity, a sealing gasket which tightly seals the guide rod cavity and the lower valve cavity through the conical end of the lower valve seat, the middle part of a gland nut 9 is provided with a communicating hole which communicates a lower valve cavity and an air inlet cavity, the limiting steps at the two sides of a valve seat 5 are respectively sleeved with an upper sealing sleeve 10 and a lower sealing sleeve 11 in a sealing way, the upper sealing sleeve 10 is pressed and fixed through an upper sealing seat 12, an elastic washer and a nut in sequence, a Y-shaped sealing ring 13 which is sealed with the inner wall of the valve body 1 is arranged on the upper sealing seat 12, one side of the Y-shaped sealing ring 13 forms a pilot air outlet cavity, the lower sealing sleeve 11 is pressed and fixed through a lower sealing seat 14, a spring and a lower cover component 2 in sequence, the inner side of the lower sealing seat 14 is fixed on the valve seat 5 through the elastic washer and the gland nut 9, the upper sealing sleeve 10 and the lower sealing sleeve 11 alternately press the step body which is opposite to the air outlet to form an air outlet cavity and a pressure relief cavity, the valve cavity of the upper valve is arranged in, the upper valve seat 16 is provided with a sealing gasket for tightly sealing the guide rod cavity and the upper valve cavity through the conical end of the upper valve seat, the other side of the upper valve seat 16 is connected with a movable iron core 18 in the electromagnet assembly through a connecting rod 17, the electromagnet assembly is arranged in an electromagnet assembly shell 19, the electromagnet assembly shell 19 is fixed on the upper cover assembly 2 and locked through a locking nut 20, and the end part of the electromagnet assembly shell 19 is provided with a socket assembly 21.
The other side of the upper valve seat 16 of the utility model is connected with the movable iron core 18 in the electromagnet assembly sequentially through the baffle 22 and the connecting rod 17, the baffle 22 is provided with an adjusting rod 23 which is hinged with the electromagnet assembly shell 19 through a pin shaft and is used for manually controlling the valve switch, and the adjusting rod 23 is shifted to lift to drive the switch of the pilot valve; a sealing ring is arranged at the joint of the upper cover assembly 2 and the valve body 1, a sealing ring is arranged at the joint of the lower cover assembly 3 and the valve body 1, an air inlet nozzle is arranged on the lower cover assembly 3, and a sealing ring is arranged at the joint of the air outlet nozzle 4 and the valve body 1; a sealing ring is arranged between the upper sealing sleeve 10 and the valve seat 5, and a sealing ring is arranged between the lower sealing sleeve 11 and the valve seat 5; be equipped with between 4 connecting seats of the mouth of pipe of giving vent to anger and the locking nut 20 connecting seat and be used for preventing stainless steel wire 24 and the lead sealing 25 that the mouth of pipe 4 and the locking nut 20 pine of giving vent to anger from taking off, be equipped with between 4 connecting seats of the mouth of pipe of giving vent to anger and the lower cover subassembly 3 connecting seat and be used for preventing stainless steel wire and the lead sealing that the mouth of pipe 4 and the lower cover subassembly 3 pine of giving vent to anger from taking off, be equipped with between 4 connecting seats of the mouth of pipe of giving vent to anger and the electromagnet.
The utility model discloses a concrete use does: the pilot pneumatic solenoid valve is a normally closed solenoid valve, when the solenoid valve needs to be opened for conveying gas, an electromagnet assembly is conducted, a connecting rod is lifted through the electromagnet assembly and drives an upper valve seat to displace (when the electromagnet assembly breaks down, the connecting rod is lifted through an adjusting rod and drives the upper valve seat to displace), an upper valve seat compresses a sealing gasket to enable a pilot gas outlet cavity and the upper valve cavity to be sealed, a lower valve seat is driven by a valve rod to displace, the lower valve seat loses the compression sealing effect on the sealing gasket and further enables a guide rod cavity and a lower valve cavity to be communicated, a gas inlet pipe nozzle enters the lower valve cavity of the valve seat through a communication hole in a compression nut after gas is introduced, then enters the pilot gas outlet cavity from the lower valve cavity through the guide rod cavity, at the moment, the pilot gas outlet cavity and the upper valve cavity are sealed through the upper valve, the gas in the pilot gas outlet cavity compresses the upper sealing seat and drives the whole valve seat compression spring to displace, until the upper sealing sleeve presses and seals the step body opposite to the gas outlet and the lower sealing sleeve leaves the step body opposite to the gas outlet to form a gas outlet cavity, at the moment, the electromagnetic valve is opened to continuously output gas; when the solenoid valve needs to be closed to cut off gas transmission, the electromagnet assembly is cut off, the upper valve seat loses the compression sealing effect on the sealing gasket to enable the guide gas outlet cavity to be communicated with the upper valve cavity, the valve seat is driven to move through the valve rod, the lower valve seat compresses the sealing gasket to enable the guide rod cavity to be communicated with the lower valve cavity in a disconnection mode, the pressure in the guide gas outlet cavity is reduced, the upper sealing sleeve leaves the step body opposite to the gas outlet, the lower sealing sleeve compresses the step body opposite to the gas outlet to form a pressure relief cavity, and gas in the pressure relief cavity is discharged from a pressure relief opening in the side wall of the valve body.
The foregoing shows and describes the general principles of the present invention, with its principal features and advantages, and further, various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a guide's atmospheric pressure solenoid valve, includes the valve body, and the both ends of this valve body sealing connection respectively have upper cover subassembly and lower cover subassembly, and the middle part of valve body is equipped with the gas outlet, and sealing connection has the mouth of pipe of giving vent to anger on the gas outlet, and the internally mounted of valve body has valve subassembly, its characterized in that: the lower cover component is connected with the valve body to form an air inlet cavity, the valve component comprises a valve seat, a valve guide rod which is arranged in a guide rod cavity on one side of the valve seat in a sliding mode, and a lower valve which is arranged in a lower valve cavity on the other side of the valve seat, one end of the valve guide rod is connected with a lower valve seat guide rod which penetrates through the guide rod cavity and the lower valve cavity, a sealing gasket which tightly seals the guide rod cavity and the lower valve cavity through the conical end of the lower valve seat is arranged on the lower valve seat, the other side of the lower valve seat is tightly pressed and fixed through a spring and a compression nut, a communication hole which communicates the lower valve cavity with the air inlet cavity is arranged in the middle of the compression nut, an upper sealing sleeve and a lower sealing sleeve are respectively and hermetically sleeved on limiting steps on the two sides of the valve seat, the upper sealing sleeve is tightly pressed and fixed through an upper sealing seat, an elastic gasket and a nut sequentially, the lower sealing sleeve sequentially passes through the lower sealing seat, the spring and the lower cover component are compressed and fixed, the inner side of the lower sealing seat is fixed on the valve seat through the elastic washer and the compression nut, the upper sealing sleeve and the lower sealing sleeve are alternately compressed to form an air outlet cavity and a pressure relief cavity corresponding to the step body opposite to the air outlet, an upper valve is arranged in the valve cavity of the upper cover component, the other end of the valve guide rod is connected with an upper valve seat guide rod penetrating through the guide rod cavity and the upper valve cavity, a sealing gasket for tightly sealing the guide rod cavity and the upper valve cavity through the conical end of the upper valve seat is arranged on the upper valve seat, the other side of the upper valve seat is connected with a movable iron core in the electromagnet component through a connecting rod, the electromagnet component is arranged in the electromagnet component shell, the electromagnet component shell is fixed on the upper cover component and is locked.
2. The pilot pneumatic solenoid valve according to claim 1, wherein: the other side of the upper valve seat is connected with a movable iron core in the electromagnet assembly through a baffle and a connecting rod in sequence, an adjusting rod which is hinged with the electromagnet assembly shell through a pin shaft and used for manually controlling the opening and closing of the valve is arranged on the baffle, and the adjusting rod is stirred to lift so as to drive the opening and closing of the pilot valve.
3. The pilot pneumatic solenoid valve according to claim 1, wherein: the upper cover assembly is provided with a sealing ring at the joint with the valve body, the lower cover assembly is provided with an air inlet pipe nozzle, and the air outlet pipe nozzle is provided with a sealing ring at the joint with the valve body.
4. The pilot pneumatic solenoid valve according to claim 1, wherein: and a sealing ring is arranged between the upper sealing sleeve and the valve seat, and a sealing ring is arranged between the lower sealing sleeve and the valve seat.
5. The pilot pneumatic solenoid valve according to claim 1, wherein: be equipped with between mouthpiece connecting seat of giving vent to anger and the lock nut connecting seat and be used for preventing stainless steel wire and the lead sealing that the mouthpiece of giving vent to anger and lock nut pine take off, be equipped with between mouthpiece connecting seat of giving vent to anger and the lower cover subassembly connecting seat and be used for preventing the stainless steel wire and the lead sealing that mouthpiece and lower cover subassembly pine take off, be equipped with between mouthpiece connecting seat of giving vent to anger and the electro-magnet assembly casing connecting seat and be used for preventing the stainless steel wire and the lead sealing that mouthpiece and electro-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920383721.3U CN210034608U (en) | 2019-03-25 | 2019-03-25 | Pilot air pressure electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920383721.3U CN210034608U (en) | 2019-03-25 | 2019-03-25 | Pilot air pressure electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210034608U true CN210034608U (en) | 2020-02-07 |
Family
ID=69356164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920383721.3U Expired - Fee Related CN210034608U (en) | 2019-03-25 | 2019-03-25 | Pilot air pressure electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210034608U (en) |
-
2019
- 2019-03-25 CN CN201920383721.3U patent/CN210034608U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |