CN201672129U - Secondary unloading device for electromagnetic valve - Google Patents
Secondary unloading device for electromagnetic valve Download PDFInfo
- Publication number
- CN201672129U CN201672129U CN2010202190493U CN201020219049U CN201672129U CN 201672129 U CN201672129 U CN 201672129U CN 2010202190493 U CN2010202190493 U CN 2010202190493U CN 201020219049 U CN201020219049 U CN 201020219049U CN 201672129 U CN201672129 U CN 201672129U
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- section
- unloading
- load
- valve
- valve body
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Abstract
The utility model discloses a secondary unloading device for an electromagnetic valve, comprising an unloading valve body, wherein an unloading valve core is arranged in the unloading valve body on which a valve body gland is arranged, an unloading hole D section is arranged in the unloading valve core, an interstice is formed between the unloading valve core and the unloading valve body and connected with an unloading hole E section through an unloading hole F section, a third cavity is formed at one end of the unloading valve core by the unloading valve body and the unloading valve core, a second cavity is formed at the other end of the unloading valve core by the unloading valve body and the unloading valve core, and the unloading hole E section and the unloading hole D section are respectively connected with the second cavity. The secondary unloading device solves the problem that due to high flow rate and pressure, the high-pressure explosion-proof electromagnetic valve with large drift diameter can not be fast unloaded, thereby leading the high-pressure explosion-proof electromagnetic valve with large drift diameter to be applicable to actual production.
Description
Technical field
The utility model relates to a kind of relief arrangement of solenoid valve, particularly a kind of solenoid valve secondary relief arrangement.
Background technique
Along with China's natural gas is widelyd popularize application, driven the quick growth of the pipeline conveying control unit market demand, the high-voltage explosion-proof solenoid valve carries control unit to be used widely as important pipeline, but the aperture of the inlet hole of present existing solenoid valve and outlet passageway is less, working pressure is lower, can not satisfy the requirement of production, course of conveying and the development of aerating control technique of rock gas.As inside nominal diameter is the product of 10mm, and the maximum pressure on the market is no more than 25MPa now.The gas discharge of the solenoid valve of this little latus rectum is less, and the efficient of air feed is not high, can not satisfy the production and the transportation of rock gas, is badly in need of the development that a kind of big latus rectum high-voltage explosion-proof solenoid valve adapts to the natural gas applications technology.But the big latus rectum high-voltage explosion-proof solenoid valve that provides because of its air inlet duct and the gas discharge and the pressure ratio in duct of giving vent to anger are bigger, are difficult to overcome the instantaneous unlatching or the moment of finishing solenoid valve by the instantaneous relief arrangement of two Electrical heads or other relief arrangement and cut out.
The model utility content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of solenoid valve secondary relief arrangement is provided.The utility model carries out off-load by the mating reaction of gap, unloading hole F section and unloading hole E section to solenoid valve, makes that big latus rectum high-voltage explosion-proof solenoid valve is big because of flow, the big difficult problem of off-load rapidly of pressure is solved.
For achieving the above object, the technical solution adopted in the utility model is: solenoid valve secondary relief arrangement, comprise the off-load valve body, be provided with the off-load spool in the described off-load valve body, the off-load valve body is provided with the valve body gland, described off-load valve core inside is provided with unloading hole D section, gapped between described off-load spool and the off-load valve body, described gap is connected with unloading hole E section by unloading hole F section, described off-load valve body and off-load spool form the 3rd cavity at an end of off-load spool, described off-load valve body and off-load spool form second cavity at the other end of off-load spool, and described unloading hole E section all links to each other with second cavity with unloading hole D section.
Above-mentioned solenoid valve secondary relief arrangement, the end of described off-load spool is provided with " O " RunddichtringO, and described off-load spool adopts " U " RunddichtringO and off-load valve seal.
The utility model compared with prior art has the following advantages: the utility model carries out progressively off-load by the mating reaction of gap, unloading hole F section and unloading hole E section to solenoid valve, make that big latus rectum high-voltage explosion-proof solenoid valve is big because of flow, the big difficult problem of off-load rapidly of pressure is solved, make big latus rectum high-voltage explosion-proof solenoid valve can be applied in the actual production, and the utility model is simple in structure, installation and very easy to use, low cost of manufacture, using effect is good.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the main TV structure schematic representation of big latus rectum high-voltage explosion-proof solenoid valve.
Fig. 2 is the side-looking structural representation of big latus rectum high-voltage explosion-proof solenoid valve.
Fig. 3 is the main TV structure schematic representation of the utility model solenoid valve two-stage unloading device.
Fig. 4 is the plan structure schematic representation of the utility model solenoid valve two-stage unloading device.
Fig. 5 is the connection diagram of the utility model solenoid valve two-stage unloading device and big latus rectum high-voltage explosion-proof solenoid valve.
Fig. 6 is the structural representation of two instantaneous energising start-stop devices of Electrical heads.
Fig. 7 is the structural representation of electromagnetic valve core.
Fig. 8 is the A-A sectional view of Fig. 7.
Fig. 9 is the overall structure schematic representation of the seal ring on the electromagnetic valve core.
Figure 10 is the structural representation of manual opening-closing electromagnetic valve mechanism.
Figure 11 is the structural representation that is used for the mechanical forced lifting gear of solenoid valve.
Description of reference numerals:
101-lock core sleeve; 102-first spring; The secondary valve Electrical heads of 103-coil;
The secondary valve cage of 104-; 105-auxiliary valve core contiguous block; The 106-auxiliary valve core;
The 107-circular groove; The 108-sealing block; 109-second spring;
The 110-fittings body; The 111-lock core; 112-the 3rd spring;
113-lock core Electrical heads coil; 114-lock core contiguous block;
201-the 4th spring; The manually opened eccentric shaft of 202-; 203-opening mechanism sleeve;
The 204-first eccentric shifting block; The 205-second eccentric shifting block; 206-closing mechanism device sleeve;
207-manual-lock eccentric shaft; 208-the 5th spring;
The 30-valve body; The 301-outlet passageway; 302-unloading hole A section;
303-first cavity; 304-balance hole A section; The 305-gas-entered passageway;
The 31-valve gap; 310-equalizing orifice B section; 311-equalizing orifice C section;
312-unloading hole C section; 313-unloading hole B section;
The 400-electromagnetic valve core;
401-spool loam cake; The 402-pressure spring; The 403-lining;
404-spool body; The 405-tool withdrawal groove; 406-spool lower cover;
The 407-bolt; The 408-seal ring; The 409-positive stop lug boss;
418-seal ring pedestal; 428-cylindrical seal circle;
500-mechanical forced lifting gear;
501-leading screw boss; The 502-cylindrical shell; The 503-handwheel;
The 504-locking nut; The 505-leading screw; The 506-screw;
The 507-cover plate;
600-solenoid valve secondary relief arrangement;
601-second cavity; 602-unloading hole D section; 603-" U " RunddichtringO;
604-off-load valve body; 605-the 3rd cavity; 606-" O " seal ring;
607-valve body gland; 608-off-load spool; 609-unloading hole E section;
610-unloading hole F section; The 611-gap.
Embodiment
A kind of big latus rectum high-voltage explosion-proof solenoid valve as depicted in figs. 1 and 2, comprise valve body 30, described valve body 30 tops are provided with valve gap 31,31 of valve body 30 and valve gaps form first cavity 303, be provided with electromagnetic valve core 400 in described first cavity 303, valve body 30 1 ends are provided with gas-entered passageway 305, the other end of valve body 30 is provided with outlet passageway 301, the aperture of described gas-entered passageway 305 and outlet passageway 301 is 50mm～100mm, and the position of the described gas-entered passageway 305 of in the vertical direction is higher than the position of outlet passageway 301.Described gas-entered passageway 305 is provided with balance hole A section 304 straight up, described outlet passageway 301 is provided with unloading hole A section 302 straight up, described balance hole A section 304 is connected with the vertical equalizing orifice B section 310 that is provided with in the valve gap 31, described unloading hole A section 302 is connected with the vertical unloading hole B section 313 that is provided with in the valve gap 31, one end of the equalizing orifice C section 311 that described equalizing orifice B section 310 is interior with being horizontally set on cover plate is connected, in a side of described equalizing orifice C section 311 and in valve gap 31, be horizontally disposed with the unloading hole C section 312 that is " Z " font, the other end of one end of described unloading hole C section 312 and equalizing orifice C section 311 all is connected with solenoid valve secondary relief arrangement 600 by the 3rd cavity 605 on the solenoid valve secondary relief arrangement 600, and described the 3rd cavity 605 and first cavity 303 are communicated with.
As Fig. 3, Fig. 4 and a kind of solenoid valve secondary relief arrangement 600 shown in Figure 5, comprise off-load valve body 604, be provided with off-load spool 608 in the described off-load valve body 604, off-load valve body 604 is provided with valve body gland 607, described off-load spool 608 inside are provided with unloading hole D section 602, between described off-load spool 608 and the off-load valve body 604 gapped 611, described gap 611 is connected with unloading hole E section 609 by unloading hole F section 610, described off-load valve body 604 forms the 3rd cavity 605 with off-load spool 608 at an end of off-load spool 608, described off-load valve body 604 forms second cavity 601 with off-load spool 608 at the other end of off-load spool 608, and described unloading hole E section 609 all links to each other with second cavity 601 with unloading hole D section 602.
Described solenoid valve secondary relief arrangement 600 is connected with two second cavity, 601 places of the instantaneous energising start-stop device of Electrical heads on solenoid valve secondary relief arrangement 600, as shown in Figure 6, the described pair of instantaneous energising start-stop device of Electrical heads, comprise secondary valve Electrical heads and pass through fittings body 110 and the vertically arranged lock core Electrical heads of secondary valve Electrical heads, described secondary valve Electrical heads comprises auxiliary valve core sleeve 104, in the described auxiliary valve core sleeve 104 auxiliary valve core contiguous block 105 is set, secondary valve Electrical heads coil 103 and auxiliary valve core 106, described auxiliary valve core contiguous block 105 1 ends are fixed on the auxiliary valve core sleeve 104, the other end of auxiliary valve core contiguous block 105 is connected with auxiliary valve core 106 by first spring 102 that is arranged on the auxiliary valve core contiguous block 105, described secondary valve Electrical heads coil 103 all is arranged on around the auxiliary valve core contiguous block 105, described auxiliary valve core 106 inserts in the auxiliary valve core contiguous block 105, and it is gapped between auxiliary valve core 106 and the auxiliary valve core contiguous block 105, described auxiliary valve core 106 is provided with sealing block 108 away from an end of auxiliary valve core contiguous block 105, and described sealing block 108 is connected with auxiliary valve core 106 by second spring 109; Described lock core Electrical heads comprises lock core sleeve 101, lock core Electrical heads coil 113 is set in the described lock core sleeve 101, lock core contiguous block 114 and lock core 111, described lock core contiguous block 114 1 ends are fixed on the lock core sleeve 101, the other end of lock core contiguous block 114 is connected with lock core 111 by the 3rd spring 112, described lock core Electrical heads coil 113 all is arranged on around the lock core contiguous block 114, described lock core 111 inserts in the lock core contiguous block 114, and gapped between described lock core 111 and the lock core contiguous block 114, described auxiliary valve core 106 ends are provided with the enterable circular groove 107 in lock core 111 ends.
Be installed in the electromagnetic valve core 400 in first cavity 303 of big latus rectum high-voltage explosion-proof solenoid valve, as shown in Figure 7 and Figure 8, comprise spool body 404, be provided with lining 403 in the described spool body 404, the upper end portion of described spool body 404 is provided with spool loam cake 401, described spool loam cake 401 is provided with pressure spring 402, the underpart of spool body 404 is provided with spool lower cover 406, described spool lower cover 406 and spool body 404 are conical surface near the longitudinal section at the position of lower end, and caving inward on close one section position of spool body 404 lower ends on the described spool body 404 forms four symmetrically arranged positive stop lug boss 409.The intersection, upper end of described spool body 404 lower ends and conical surface is provided with tool withdrawal groove 405.Described spool body 404 is provided with seal ring 408 with the joint of spool lower cover 406, and as shown in Figure 9, described seal ring 408 is made up of seal ring pedestal 428 and the cylindrical seal circle 418 that is positioned on the seal ring pedestal 428.
In use, secondary valve Electrical heads coil 103 on the instantaneous energising start-stop device of two Electrical heads is connected with extraneous sun-generated electric power with lock core Electrical heads coil 113, when normal closed condition, thereby auxiliary valve core 106 makes solenoid valve be in normally off by the elastic force crush seal piece 108 of first spring 102 and second spring 109, in the time of need opening solenoid valve, give secondary valve Electrical heads coil 103 instantaneous power supplies by extraneous solar energy, auxiliary valve core 106 againsts the force of the spring are moved right, the end of lock core 111 enters under the elastic force of the 3rd spring 112 in the circular groove 107 of auxiliary valve core 106, after secondary valve Electrical heads coil 103 outages, auxiliary valve core 106 promotes auxiliary valve core 106 and is moved to the left under the effect of its spring force, confined planes up to the circular groove 107 of auxiliary valve core 106 snaps on the lock core 111, this moment, auxiliary valve core 106 promptly kept normally open, be that sealing block 108 on the secondary valve Electrical heads leaves the unloading hole D section 602 on the solenoid valve secondary relief arrangement 600, air-flow enters from gas-entered passageway 305, and enter equalizing orifice B section 310 in the valve gap 31 by balance hole A section 304, air-flow enters balance C sector hole 311 from equalizing orifice B section 310, in entering first cavity 303 on the valve body 30 from equalizing orifice C section 311 again, described first cavity 303 is communicated with by equalizing orifice C section 311 with the 3rd cavity 605 on the solenoid valve secondary relief arrangement 600, air-flow passes through gap 611 after entering the 3rd cavity 605 successively, unloading hole F section 610, unloading hole E section 609 enters second cavity 601, air-flow enters unloading hole C section 312 from unloading hole D section 602, next, air-flow enters unloading hole B section 313 successively from unloading hole C section 312 again, unloading hole A section 302, thereby make air-flow enter into the outlet passageway 301 of valve body 30, gas compiles in this contacting point in off-load air-flow and the outlet passageway 301, first cavity 303 produces pressure difference with electromagnetic valve core 400 bottoms, thereby produce the pressure that electromagnetic valve core 400 is upwards promoted, this pressure overcomes the resistance of electromagnetic valve core 400, electromagnetic valve core 400 moves up with the frictional force of valve body 30 inwalls and the elastic force promotion electromagnetic valve core 400 of pressure spring 402, thereby be communicated with gas-entered passageway 305 and outlet passageway 301, make rock gas be transported to outlet passageway 301 from gas-entered passageway 305, at this moment, big latus rectum high-voltage explosion-proof solenoid valve proper functioning.
When needs are closed solenoid valve, give the 113 instantaneous energisings of lock core Electrical heads coil, lock core 111 is moved down, this moment, shifted out downwards from circular groove 107 end of lock core 111, simultaneously, auxiliary valve core 106 is moved to the left under the effect of its spring force, thereby make sealing block 108 be moved to the left and seal unloading hole D section 602 on the solenoid valve secondary relief arrangement 600, collect in the pressure of the pressure of outlet passageway 301 and the rock gas of the contacting point of electromagnetic valve core 400 this moment less than first cavity, 303 places, so elastic force at pressure spring 402, the gravity of electromagnetic valve core 400 and up and down under the effect of pressure reduction, electromagnetic valve core 400 moves down rapidly, thereby finishes closing of solenoid valve.
Adopt two instantaneous energising start-stop devices of Electrical heads to open or close solenoid valve, this start-stop device generally provides electric power by the solar energy of outside, but gas well for remote (as the Desert of Gobi), occurring under the situation of some faults, can't finish the unlatching of solenoid valve during as the power shortage of solar energy deposit or close, for the normal use of solenoid valve causes very big inconvenience, sometimes solenoid valve can not in time open and close the generation that also can cause security incident, can adopt the manual opening-closing electromagnetic valve mechanism to realize the unlatching of solenoid valve or close this moment, described manual opening-closing electromagnetic valve mechanism, as shown in figure 10, comprise manually opened mechanism and with supporting manual-lock mechanism of manually opened mechanism, described manually opened mechanism comprises manually opened eccentric shaft 202, described manually opened eccentric shaft 202 is arranged in the opening mechanism sleeve 203, and manually opened eccentric shaft 202 links to each other with opening mechanism sleeve 203 by the 4th spring 201, and described manually opened eccentric shaft 202 is provided with the first eccentric shifting block 201 away from an end of the 4th spring 201; Described manual-lock mechanism comprises manual-lock eccentric shaft 207, described manual-lock eccentric shaft 207 links to each other with closing mechanism device sleeve 206 by the 5th spring 208, and described manual-lock eccentric shaft 207 is provided with the second eccentric shifting block 205 away from an end of the 5th spring 208.The inwall of described opening mechanism sleeve 203 is provided with seal ring, and the inwall of described closing mechanism device sleeve 206 is provided with seal ring.
When the instantaneous start-stop device of two Electrical heads breaks down, open at needs under the situation of solenoid valve, rotate the manually opened eccentric shaft 202 in the manually opened mechanism, thereby the first eccentric shifting block 204 that manually opened eccentric shaft 202 rotations drive its end makes auxiliary valve core 106 move right, open solenoid valve, meanwhile, the end of iron core 111 enters under the effect of spring force in the circular groove 107 of auxiliary valve core 106, thereby make solenoid valve be in normally open, the first eccentric shifting block 204 with manually opened eccentric shaft 202 and end thereof resets then; When needs are closed solenoid valve, manual-lock eccentric shaft 207 in the rotation manual-lock mechanism, thereby 207 rotations of manual-lock eccentric shaft drive the second eccentric shifting block 205 of its end makes iron core 111 move down, the circular groove 107 on the auxiliary valve core 106 is left in the end of iron core 111, under the effect of spring force, be moved to the left on the auxiliary valve core 106, thereby close solenoid valve, make solenoid valve be in normally off.
Innerly under the valve body situation of closing in the winter time be easy to form the freezing of air-water mixture, at this moment can not use two instantaneous energising start-stop devices of Electrical heads and manual opening-closing electromagnetic valve mechanism, in order to reduce the execute-in-place time, guarantee normal air feed, utilize the mechanical forced lifting gear, thereby electromagnetic valve core mentioned by force open solenoid valve, this mechanical forced lifting gear 500 (as shown in figure 11) that is used for solenoid valve, comprise leading screw 505, described leading screw 505 is arranged in the screw 506, described screw 506 sets gradually locking nut 504 from top to bottom, handwheel 503 and cover plate 507, the below of described cover plate 507 is provided with cylindrical shell 502, the underpart of described leading screw 505 is provided with leading screw boss 501, described leading screw boss 501 can be for cylindrical, and the diameter of leading screw boss 501 is greater than the diameter of leading screw 505.Described leading screw boss 501 also can be cuboid, and the long limit of leading screw boss 501 is greater than the diameter of leading screw 505.
During use, by rotation hand wheel 503, rotatablely moving of handwheel 503 is converted into the straight line motion that makes progress of leading screw 505, because leading screw boss 501 transverse dimensions are greater than the diameter of leading screw 505, the spool gland 406 of electromagnetic valve core 400 can be driven at the position that leading screw boss 501 contacts with electromagnetic valve core 400, move up thereby drive electromagnetic valve core 400, open solenoid valve by force, directly connect gas-entered passageway 305 and outlet passageway 301.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment did, all still belong in the protection domain of technical solutions of the utility model.
Claims (2)
1. solenoid valve secondary relief arrangement, it is characterized in that: comprise off-load valve body (604), be provided with off-load spool (608) in the described off-load valve body (604), off-load valve body (604) is provided with valve body gland (607), described off-load spool (608) inside is provided with unloading hole D section (602), between described off-load spool (608) and the off-load valve body (604) gapped (611), described gap (611) is connected with unloading hole E section (609) by unloading hole F section (610), described off-load valve body (604) forms the 3rd cavity (605) with off-load spool (608) at an end of off-load spool (608), described off-load valve body (604) forms second cavity (601) with off-load spool (608) at the other end of off-load spool (608), and described unloading hole E section (609) all links to each other with second cavity (601) with unloading hole D section (602).
2. solenoid valve secondary relief arrangement according to claim 1, it is characterized in that: the end of described off-load spool (608) is provided with " O " RunddichtringO (607), and described off-load spool (608) adopts " U " RunddichtringO (603) and off-load valve body (604) sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202190493U CN201672129U (en) | 2010-06-08 | 2010-06-08 | Secondary unloading device for electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202190493U CN201672129U (en) | 2010-06-08 | 2010-06-08 | Secondary unloading device for electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201672129U true CN201672129U (en) | 2010-12-15 |
Family
ID=43329541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202190493U Expired - Lifetime CN201672129U (en) | 2010-06-08 | 2010-06-08 | Secondary unloading device for electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201672129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691820A (en) * | 2011-03-22 | 2012-09-26 | 浙江三花股份有限公司 | A bidirectional electromagnetic valve |
-
2010
- 2010-06-08 CN CN2010202190493U patent/CN201672129U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691820A (en) * | 2011-03-22 | 2012-09-26 | 浙江三花股份有限公司 | A bidirectional electromagnetic valve |
| CN102691820B (en) * | 2011-03-22 | 2016-07-27 | 浙江三花股份有限公司 | A kind of bidirectional electromagnetic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101215 |
|
| CX01 | Expiry of patent term |