CN200971971Y - Intelligent high temp. high pressure unleakage magnetic valve - Google Patents
Intelligent high temp. high pressure unleakage magnetic valve Download PDFInfo
- Publication number
- CN200971971Y CN200971971Y CN 200620094143 CN200620094143U CN200971971Y CN 200971971 Y CN200971971 Y CN 200971971Y CN 200620094143 CN200620094143 CN 200620094143 CN 200620094143 U CN200620094143 U CN 200620094143U CN 200971971 Y CN200971971 Y CN 200971971Y
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Abstract
The utility model relates to an intelligence type electromagnetic valve without leakage in high temperature and pressure, which comprises a sheath and a valve body. The upper part of the sheath is provided with an electromagnetic loop and a moveable iron core, and the outside part is provided with a cooling fin, and the lower part is provided with an input end and an output end of the medium. A center medium channel is arranged between the input end and the output end to connect the two ends. The valve body is provided with a cylinder liner inside, whose upper end is provided with a guide body. The center hole of a valve seat is connected with the center medium channel. The cylinder liner is provided with a valve clack, whose lower part is provided with an assistant valve hole. The upper end of a valve rod is connected with the moveable iron core in a hanged manner, and the lower end is connected with the assistant valve in a hanged manner, and the valve rod is provided with a back spring. The utility model is of an ingenious conception and proper design. The utility model adopts recoil type hard micro elastic sealing secondary structure, which can run for a long term in the working state with the temperature less than and equaling 350 degrees and the pressure 0 to 17.5 MPa, ensuring the non leakage and reliable working of the valve. In particular, in the bad working state of the changing for small pressure difference and temperature difference, the valve can have on leakage and run reliably.
Description
Technical field
The utility model relates to solenoid valve, particularly relate to a kind of intelligent type high temperature high voltage leakage-free solenoid valve that is used for the high temperature and high pressure flow body medium.
Background technique
Solenoid valve is one of important composition parts of automatic control system in the industrial processes, especially in technological process, only need dibit when control, select for use negotiability suitable, meet conditions of manufacture and environmental requirement, solenoid valve that bore is suitable can adapt to the production demand and can save investment and daily maintenance cost again.To guarantee that for this reason production process has the effect of better control, common leakage rate to solenoid valve, discharge value or the like relevant parameter all has strictness and concrete requirement, especially to the solenoid valve of the high-temperature high-pressure medium of flowing through, special because of Environmental Conditions more has its unique requirement.General high temperature high voltage solenoid valve generally adopts the design of Sealing Structure of rigidity at present, the i.e. directly processing or the valve seat of built-up welding hardness alloy on valve body, the flap of this solenoid valve and frequent the contacting and clutch of valve seat, very easily cause wearing and tearing, thereby the leakage rate of valve is increased gradually, so that can not use, the valve rod of this solenoid valve also causes jam or obscission easily because of structural disadvantage.Increase operation cost so virtually, influenced the safety and the reliable operation of system.Under the working condition of this solenoid valve little at pressure reduction of temperature alternating, valve very easily damages in the sealability at valve seat place, thereby can not reach the control requirement of the phase of giving.
People have looked at a kind of good sealing effect mid-term in putting into practice of producing, and are active in one's movements, and present best state of a control under the operating conditions of High Temperature High Pressure all the time, the daily solenoid valve safeguarded of not needing substantially.
Summary of the invention
In order to overcome shortcoming and the problem that at present general high temperature high voltage solenoid valve exists, and provide a kind of good seal, be difficult for breaking down, seldom safeguard at ordinary times that the intelligent type high temperature high voltage leakage-free solenoid valve of open and close valve deixis can be worked and have to reliable performance under High Temperature High Pressure.
The technological scheme that adopts is:
Intelligent type high temperature high voltage leakage-free solenoid valve comprises Electrical heads, housing, valve body, and electromagnetic coil, fixed core and moving iron core are housed in the Electrical heads; Described housing upper end is threaded with Electrical heads, and the lower end of housing is connected with flange with the upper end of valve body, and the housing outer installment has radiating fin, and its structural feature is:
The bottom of described valve body is provided with medium entrance point, media outlet end, on valve body, be provided with the central medium passage, on the central medium passage, adopt cemented carbide through being processed into thin-walled taper cartridge type valve seat; the center of thin-walled taper cartridge type valve seat is provided with the medium flow passage; the medium flow passage runs through with the valve body central passage and is connected; the upper end of medium flow passage is connected with the medium entrance point, and the lower end of valve body central passage is connected with the media outlet end; Cylinder sleeve is housed in the valve body, the cylinder sleeve bottom surface is positioned at the top of valve body, the cylinder sleeve upper end is provided with a guide way, guide way is between valve body and housing, evenly be provided with a plurality of medium channels around the bottom barrel of cylinder sleeve, flap is housed in cylinder sleeve, the top of flap is hollow, the flap bottom is provided with auxilliary valve opening, and cemented carbide is adopted and through being processed into the inner conical cylinder with micro-elasticity thin-walled in flap bottom end seal position.The valve rod upper end articulates with moving iron core, and the lower end of valve rod and auxilliary valve articulate, and auxilliary valve is positioned at the hollow part on flap top, and valve rod is provided with Returnning spring, and Returnning spring is between screw thread guide way and flap.
It is stainless steel or Precipitation-hardening Stainless Steel material that above-mentioned housing, valve body, auxilliary valve, valve sleeve, flap adopt chromium nickel.
Above-mentioned flap outside is provided with a plurality of grooves, and piston ring is housed in the groove.
The magnetic circuit of the electromagnetic coil in the above-mentioned Electrical heads is provided with commercially available finished parts signal feedback device, signal feedback device is connected with electric coupler by control wiring, electric coupler is connected by the operating console of control wiring with the outside, and the moving iron core in the Electrical heads adopts high magnetic saturation chrome-silicon molybdenum magnetically soft alloy material.
Above-mentioned housing inside is provided with the location collet around being positioned at valve rod, is equiped with a plurality of heat radiation partitions on the collet of location.
Working principle:
When electromagnetic coil is switched on, moving iron core is by adhesive, drive valve rod and auxilliary valve and open auxilliary valve port, and the pulling flap, the medium of flap epicoele is at a high speed from auxilliary valve port ejection, because the throttling of flexible piston ring, the pressure of flap epicoele reduces rapidly, and under the acting in conjunction of the pulling force of coil and medium differential pressure, flap is opened, the MEDIA FLOW of High Temperature High Pressure is crossed solenoid valve, valve opening signal feedback, indication.When electromagnetic coil cut off the power supply, electromagnetic force disappeared, and moving iron core is released, resets, the damping spring that resets between moving iron core and the fixed core play reset, buffering, cushioning effect.At this moment auxilliary valve cuts out, and under the acting in conjunction of Returnning spring and medium differential pressure, flap elastic packing position and valve seat elastic packing position are closed, and cut off the medium of circulation, closes valve signal feedback, indication.
The utility model is skillfully constructed, and is reasonable in design, and overall structure is simple, and major advantage is:
1, adopt the little bullet sealing pair of backflushing type rigidity structure, this valve can be≤350 ℃ in temperature, and pressure is long-time running under the normal or special operation condition condition of 0-17.5MPa, has guaranteed the nothing leakage and the reliably working of valve.Particularly under the bad working environments condition of small pressure difference and temperature difference alternation, this valve also can be accomplished not have and leak and reliable operation.
2, this valve inner piece all adopts hanging structure, has eliminated the transmission connection piece of valve internal in the past and has adopted be threaded may occur loosening or hidden danger such as come off.
3, by inside and outside heat radiation partition, can eliminate the influence of high temperature media effectively to Electrical heads and permeability magnetic material permeability, guarantee the operation of the long-term stability of solenoid valve.
4, this valve adopts commercially available finished parts signal feedback device, can realize the telecontrol of high-temperature, high pressure fluid and the intelligent signal feedback of valve opening and closing.
5, the valve body two ends install process flange additional, very are convenient to the check and the experiment work of product.
6, solenoid valve can satisfy requirements such as three anti-and nuclear radiation.
This intelligent type high temperature high voltage leakage-free solenoid valve is easy for installation, and the one-time investment expense is few, and security of operation is reliable, is stainless steel or Precipitation-hardening Stainless Steel material because of adopting chromium nickel, and is so the antiseptic property of solenoid valve is strong, less scaling again.Need to prove that under the prerequisite that does not change present principles, can also make some changes or distortion to the utility model, this belongs to protection domain of the present utility model equally.
Description of drawings
Fig. 1 is the utility model example structure schematic representation.
Embodiment
Embodiment
As shown in Figure 1, intelligent type high temperature high voltage leakage-free solenoid valve comprises Electrical heads 25, housing 13, valve body 3; Electromagnetic coil 15, fixed core 7 and moving iron core 14 are housed in Electrical heads 25; The upper end of described housing 13 is threaded with Electrical heads 25, and the lower end of housing 13 is connected with flange with the upper end of valve body 3, and the outer installment of housing 13 has radiating fin.
Be provided with a medium entrance point 1, media outlet end 2 in the bottom of valve body 3, be respectively equipped with on medium entrance point 1, the media outlet end 2 and be used to the process flange 21 checking and test; On valve body 3, be provided with central medium passage 18, on central medium passage 18, adopt cemented carbide through being processed into thin-walled taper cartridge type valve seat 19, described cemented carbide can adopt the CoCrMo alloy; the center of thin-walled taper cartridge type valve seat 19 is provided with medium flow passage 20; top edge of valve seat central medium flow passage 20 also is to adopt thin-walled taper core structure; the reliability of enhanced leaktightness; can compensate the influence to sealing because of small pressure difference and temperature difference alternation; medium flow passage 20 runs through with valve body central medium passage 18 and is connected; the upper end of medium flow passage 20 is connected with medium entrance point 1, and the lower end of valve body central medium passage 18 is connected with media outlet end 2; Be equiped with cylinder sleeve 8 in the valve body 3, the bottom surface of cylinder sleeve 8 is positioned on the valve body 3, and the upper end of cylinder sleeve 8 is provided with a guide way 22, and guide way 22 is installed between valve body 3 and the housing 13.The medium channel 27 that medium flows into cylinder sleeve 8 evenly is set around the bottom barrel of cylinder sleeve 8; In cylinder sleeve 8, be equiped with flap 6, the top of flap 6 is hollow, the outer wall of flap 6 is provided with groove 26, piston ring embeds in its groove 26, the bottom of flap 6 is provided with auxilliary valve opening 5, cemented carbide is adopted at the sealing position that the bottom of flap 6 contacts with valve seat 19 and through being processed into the inner conical cylinder (4) with micro-elasticity thin-walled, described cemented carbide can adopt the CoCrMo alloy, can compensate the influence to sealing of small pressure difference and temperature difference alternation equally.Valve rod 11 upper ends articulate with moving iron core 14 and are connected, the lower end of valve rod 11 articulates with auxilliary valve 9 and links to each other, auxilliary valve 9 is positioned at the hollow part on flap 6 tops, on valve rod 11, be provided with Returnning spring 10, Returnning spring 10 is between flap 6 and guide way 22, and Returnning spring 10 is in order to help flap 6 sufficient opening and closing; Housing 13 outsides are provided with the heat radiation partition.
Commercially available finished parts signal feedback device 17 is housed on the magnetic circuit of the electromagnetic coil 15 on housing 13 tops, and signal feedback device 17 is connected with electric coupler 24 by control wiring, and power supply connects electric coupler 24 with lead, is connected with electromagnetic coil 15 again.Install a buffering Returnning spring 16 between moving iron core 14 and the fixed core 7 additional.Housing 13 inside are provided with location collet 12 around being positioned at valve rod 11, are equiped with heat radiation partition 23 in ten on the collet 12 of location.It is stainless steel or Precipitation-hardening Stainless Steel material that elements such as housing 13, valve body 3, auxilliary valve 9, cylinder sleeve 8, flap 6 adopt chromium nickel, has guaranteed that this solenoid valve can satisfy three anti-requirements.
Claims (5)
1, intelligent type high temperature high voltage leakage-free solenoid valve comprises electromagnetic coil (15), fixed core (7) and moving iron core (14) is housed in Electrical heads (25), housing (13), valve body (3), the Electrical heads (25); The upper end of described housing (13) is threaded with Electrical heads (25), and the lower end of housing (13) is connected with flange with the upper end of valve body (3), and the outer installment of housing (13) has radiating fin, it is characterized in that:
The bottom of described valve body (3) is provided with medium entrance point (1), media outlet end (2), on valve body (3), be provided with central medium passage (18), go up the thin-walled taper cartridge type valve seat (19) of employing cemented carbide at central medium passage (18); the center of thin-walled taper cartridge type valve seat (19) is provided with medium flow passage (20); medium flow passage (20) runs through with valve body central medium passage (18) and is connected; the upper end of medium flow passage (20) is connected with medium entrance point (1), and the lower end of valve body central medium passage (18) is connected with media outlet end (2) through being processed into; Be equiped with cylinder sleeve (8) in the valve body (3), the bottom surface of cylinder sleeve (8) is positioned at the top of valve body (3), the upper end of cylinder sleeve (8) is provided with a guide way (22), guide way (22) is positioned between valve body (3) and the housing (13), evenly be provided with a plurality of medium channels (27) around the bottom barrel of cylinder sleeve (8), in cylinder sleeve (8), be equiped with flap (6), the top of flap (6) is hollow, the bottom of flap (6) is provided with auxilliary valve opening (5), cemented carbide is adopted and through being processed into the inner conical cylinder (4) with micro-elasticity thin-walled in flap (6) bottom end seal position, valve rod (11) upper end articulates with moving iron core (14), the lower end of valve rod (11) and auxilliary valve (9) articulate, auxilliary valve (9) is positioned at the hollow part on flap (6) top, valve rod (11) is provided with Returnning spring (10), and Returnning spring (10) is positioned between guide way (22) and the flap (6).
2, intelligent type high temperature high voltage leakage-free solenoid valve according to claim 1 is characterized in that: it is stainless steel or Precipitation-hardening Stainless Steel material that above-mentioned housing (13), valve body (3), auxilliary valve (9), cylinder sleeve (8), flap (6) adopt chromium nickel.
3, intelligent type high temperature high voltage leakage-free solenoid valve according to claim 1 is characterized in that: above-mentioned flap (6) outside is provided with a plurality of grooves (26), and groove is equipped with piston ring in (26).
4, intelligent type high temperature high voltage leakage-free solenoid valve according to claim 1, it is characterized in that: above-mentioned signal feedback device (17) is positioned on the magnetic circuit of the electromagnetic coil on the housing (13), signal feedback device (17) is connected with electric coupler (24) by control wiring, and electric coupler (24) is connected with the external control platform by control wiring; Moving iron core in the Electrical heads adopts high magnetic saturation chrome-silicon molybdenum magnetically soft alloy material.
5, intelligent type high temperature high voltage leakage-free solenoid valve according to claim 1, it is characterized in that: above-mentioned housing (13) inside is positioned at valve rod (11) and is provided with location collet (12) on every side, is equiped with a plurality of interior heat radiation partitions (23) on the location collet (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620094143 CN200971971Y (en) | 2006-11-16 | 2006-11-16 | Intelligent high temp. high pressure unleakage magnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620094143 CN200971971Y (en) | 2006-11-16 | 2006-11-16 | Intelligent high temp. high pressure unleakage magnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200971971Y true CN200971971Y (en) | 2007-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620094143 Expired - Fee Related CN200971971Y (en) | 2006-11-16 | 2006-11-16 | Intelligent high temp. high pressure unleakage magnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200971971Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101187427B (en) * | 2006-11-16 | 2012-03-07 | 鞍山电磁阀有限责任公司 | Intelligent type high temperature high voltage leakage-free solenoid valve |
| CN103133707A (en) * | 2011-11-22 | 2013-06-05 | 浙江三花股份有限公司 | Motorized valve and manufacture method of motorized valve |
-
2006
- 2006-11-16 CN CN 200620094143 patent/CN200971971Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101187427B (en) * | 2006-11-16 | 2012-03-07 | 鞍山电磁阀有限责任公司 | Intelligent type high temperature high voltage leakage-free solenoid valve |
| CN103133707A (en) * | 2011-11-22 | 2013-06-05 | 浙江三花股份有限公司 | Motorized valve and manufacture method of motorized valve |
| CN103133707B (en) * | 2011-11-22 | 2015-03-25 | 浙江三花股份有限公司 | Motorized valve and manufacture method of motorized valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071107 Termination date: 20101116 |