CN205446871U - Wide working range's substep direct action type electromagnetism actuates valve - Google Patents
Wide working range's substep direct action type electromagnetism actuates valve Download PDFInfo
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- CN205446871U CN205446871U CN201521030990.XU CN201521030990U CN205446871U CN 205446871 U CN205446871 U CN 205446871U CN 201521030990 U CN201521030990 U CN 201521030990U CN 205446871 U CN205446871 U CN 205446871U
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Abstract
The utility model relates to a wide working range's substep direct action type electromagnetism actuates valve, including casing, case subassembly and case drive assembly, wherein the case subassembly includes through nested pilot valve core and the main valve core of first uide bushing. The utility model discloses combine direct -acting electromagnetic valve structure and guide's formula solenoid valve structure characteristics, can directly rely on electro -magnet suction to drive the movable valve element action enough like direct -acting electromagnetic valve, have the structural feature that guide's formula solenoid valve moved step by step again to the needs that mobilize machine width working range have been realized to less quality and volume. Simultaneously, product simple structure, processing, assembly process nature is good, is fit for batch production. This electromagnetism actuates the control that the valve was applicable to the operating pressure and the engine fuel oil system of work flow range broad, also is applicable to the operating mode that large -traffic, low or middle pressure, flow resistance expected much simultaneously.
Description
Technical field
This utility model relates to the step direct-acting type electromagnetic activation valve arrangement of a kind of wide operating range, it is adaptable to the engine fuel supply line control system that operating pressure, working flow and operating temperature range are wider.
Background technology
Require that the engine fuel control valve that startup is repeated several times generally uses electric-air valve or direct-acting electromagnetic valve scheme, owing to certain type punching engine system is not provided that external control source of the gas, it is impossible to use electric-air valve scheme；On the premise of not considering physical dimension and architecture quality, traditional use under direct-acting electromagnetic valve scheme high-pressure high-flow to be met operating mode, its physical dimension and quality are very big, the scope can born far beyond engine system.
Certain type liquid Asia burning ramjet is that certain type surpasses the cruise component power set patrolling bullet, it is desirable to electromotor disclosure satisfy that the acceleration of guided missile climb, high cruise, underriding, low cruise and attack from horizon level task.Additionally as a part for body structure, punching engine bears guided missile load during storage, transport, launch and flight under various states.In order to adapt to the job requirement of engine system, engine fuel control valve must possess can be repeated several times work, working pressure range 0～5MPa, operating flow range 0～1.3kg/s, operating temperature range-50 DEG C～the main performance of 150 DEG C.
Summary of the invention
In order to solve traditional direct-acting electromagnetic valve under the operating mode meeting high-pressure high-flow, its physical dimension and the big technical problem of quality, this utility model provides one to disclosure satisfy that engine system operation pressure, working flow and temperature change wide ranges, the fuel regulator valve of startup can be repeated several times, and light weight, volume are little, simple in construction.
This utility model combines direct driving type electromagnetic valve arrangement and guide electromagnetic valve construction features, devise the step direct-acting type electromagnetic activation valve arrangement of a kind of movement, can either be as direct-acting electromagnetic valve, directly rely on electromagnet suction to drive spool action, there is again the construction features of guide electromagnetic valve substep action.
Technical solution of the present utility model is specifically:
A kind of step direct-acting type electromagnetic activation valve of wide operating range, assembly is driven including housing 11, core assembly and spool, access road 111, exit passageway 112 and core assembly installing hole 113 it is provided with on described housing 11, described spool drives assembly to include coil 2, coil rack 1 and armature 4, described coil 2 is wound on coil rack 1, the magnetic pole strength of described coil rack 1 with the one of armature 4 rectify right
It is characterized in that
Described core assembly installing hole 113 is coaxially disposed with exit passageway 112, the liquid reservoir 114 that access road 111 is connected it is additionally provided with between described core assembly installing hole 113 and exit passageway 112, described core assembly installing hole 113, liquid reservoir 114 and exit passageway 112 run through housing
Described core assembly includes guide valve core the 9, first fairlead 8 and main valve plug 10,
Described coil rack 1, armature 4, guide valve core the 9, first fairlead 8 and main valve plug 10 are coaxially disposed with exit passageway 112,
Described main valve plug 10 is arranged at core assembly installing hole 113, one end of definition main valve plug 10 is sealed end 101, the other end of main valve plug 10 is nested end 102, described sealed end 101 is positioned in liquid reservoir 114, exit passageway 112 just is used for sealing or open exit passageway 112 by described sealed end 101, described nested end 102 is just to armature 4, the guide valve core installing hole 103 offered vertically from nested end 102 end face
Described guide valve core 9 is arranged in guide valve core installing hole 103 by the first fairlead 8, one end of described guide valve core 9 is bar portion 91, the other end is head 92, the diameter of described head 92 diameter more than bar portion 91 and the internal diameter more than the first fairlead 8, described head 92 contacts with the bottom of guide valve core installing hole 103, and described bar portion 91 stretches out main valve plug 10 and fixing with armature 4 is connected；Described first fairlead 8 is enclosed within pilot valve stem 91, matched in clearance between described first fairlead 8 and pilot valve stem 91 from the bar end surface of guide valve core 9, and the axial height of described first fairlead 8 is less than the engagement height between the first fairlead and bar portion；Closely cooperate between described first fairlead 8 and main valve plug 10；
The opposite side that described main valve plug 9 is relative with access road 111 is additionally provided with the throttle orifice 104 communicated with access road 111, described main valve plug sealed end 101 is just to being additionally provided with relief hole 105 at guide valve core head 92, the diameter of described relief hole 105 is less than the diameter of guide valve core head 92 more than the diameter of throttle orifice 104
The axially arranged of described armature 4 has the tracting pressuring hole 41 communicated with throttle orifice, and the definition space between described armature 4 and coil rack magnetic pole strength is main valve plug epicoele 42, and described tracting pressuring hole 41 communicates with main valve plug epicoele 42,
Described spool drives assembly also to include spring 3, and described spring 3 is between coil rack 1 and armature 4, and described spring 3 is in the case of coil is not powered on, it is provided that guide valve core 9 seals the pressure of relief hole 105.
Being more than basic structure of the present utility model, based on this basic structure, this utility model is also made following optimization and is limited:
Above-mentioned step direct-acting type electromagnetic activation valve also includes the second fairlead 15, described second fairlead is enclosed within the outside of main valve plug and armature, it is provided with sealing ring 7 between described second fairlead 15 and main valve plug, the circumference of described main valve plug is offered and is equipped with cannelure 106, and described sealing ring 7 is installed at cannelure 106.
It is additionally provided with anti-friction ring 6 between above-mentioned second fairlead 15 and armature 4.
It is additionally provided with rubber o-ring 13 between above-mentioned second fairlead 15 and core assembly installing hole.
Above-mentioned main valve plug sealed end 101 uses metal edge knurling process to be inlaid with the polyimide plastic for sealing exit passageway, for the sealing of exit passageway 112；Described guide valve core head 92 uses metal edge knurling process to be inlaid with the polyimide plastic for sealing relief hole 105.
Above-mentioned tracting pressuring hole 41 includes spring putting hole and guide valve core putting hole, is connected by diameter holes 43 between described spring putting hole and spool putting hole, and one end of described spring 3 is positioned at spring putting hole, the blind hole that the other end of described spring 3 is positioned on coil rack.
Above-mentioned guide valve core 9 is positioned at guide valve core putting hole with the connection end of armature 4, and the radial direction of described armature 4 is further opened with the pin shaft hole connected with guide valve core putting hole, is connected by bearing pin 5 between described guide valve core and armature.This kind of connected mode technique is simple, and structure is reliable.
Above-mentioned armature 4 two faces relative with coil rack 1 are provided with 90 ° of cone angles.
Above-mentioned guide valve core installing hole 103 includes screwed hole 1031 and unthreaded hole 1032, and the radial dimension of described screwed hole 1031 is offered by nested end more than the radial dimension of unthreaded hole 1032, described screwed hole 1031, and described unthreaded hole 1032 is near sealed end.The guide valve core installing hole 103 of this structure can either play guide valve core motion guide effect, and medium can be made again to pass through from gap.
Feature of the present utility model is as follows:
1) step direct-acting type electromagnetic activation valve arrangement combines direct driving type electromagnetic valve arrangement and guide electromagnetic valve construction features, spool is opened and is relied primarily on electromagnet suction driving, can be not against medium active force, so its work not pressure difference limits, both can work under the operating mode having pressure reduction, it is also possible to work under zero pressure difference operating mode.The electric magnet incipient suction force of step direct-acting type electromagnetic activation valve is mainly used to overcome guarantee relief hole to seal reliable spring force, changed by valve working pressure affected the least, so, it is less that the volume of electric magnet and quality can design.
2) in order to limit medium from the gap of main valve plug and the second fairlead entrance main valve plug epicoele, on main valve plug spigot surface, plastic sealing ring at two it is mounted with in structure design, the strict gap controlled between sealed plastic ring and electric magnet valve body, ensureing putting of main valve plug kinematic dexterity, reduce the leakage rate of medium as far as possible, and the size of Proper Match design throttle orifice and relief hole ensures that the office that opens of valve closes response speed.
3) structure design obtains required electromagnetic attraction with less electric magnet quality and volume as far as possible, have employed following measure: first, increase housing latus rectum, on the premise of ensureing valve circulation area, reduce the impulse stroke of spool；Second, armature uses 90 ° of cone angles, on the premise of ensureing spool stroke, reduces work of electromagnet air gap.In order to reduce frictional force during armature movement, armature is mounted with elastic anti-friction ring at two, the design of this structure can effectively prevent armature and valve body from clamping stagnation and stuck phenomenon occur.
4) in order to adapt to engine system width operating temperature range, it is ensured that the positive sealing of fuel regulator valve, design of Sealing Structure have employed a kind of resistant to elevated temperatures nonmetal sealing structure.Nonmetal encapsulant uses polyimides, polyimides is one of optimal high-molecular organic material of combination property, high temperature resistant can reach more than 400 DEG C, life-time service temperature range is-200～300 DEG C, in order to prevent the inefficacy of nonmetal sealing structure, metal edge knurling process is used polyimide plastic block to be fixed on metal spool reliably, specifically, polyimide plastic block is by force fit metallic channel, and utilizes frock metallic channel closing in fixed plastics block.
5) this electromagnetic activation valve is applied in liquid-propellant rocket engine, punching engine and combination propelling motor propellant feed system.The structure of step direct-acting type electromagnetic activation valve is designed to effectively expand the working flow of electromagnetic valve and the scope of operating pressure and significantly reduce weight and the volume of valve.
Accompanying drawing explanation
Fig. 1 is the step direct-acting type electromagnetic activation valve arrangement schematic diagram of wide operating range of the present utility model.
Fig. 2 is the structure chart of main valve plug；
Fig. 3 is valve body structure figure；
Wherein reference is:
1-coil rack, 2-coil, 3-spring, 4-armature, 41-tracting pressuring hole, 42-main valve plug epicoele, 5-bearing pin, 6-wearing ring, 7-sealing ring, 8-the first fairlead, 9-guide valve core, 91-bar portion, 92-head, 10-main valve plug, 101-sealed end, 102-nesting end, 103-guide valve core installing hole, 1031-screwed hole, 1032-unthreaded hole, 104-throttle orifice, 105-relief hole, 106-cannelure, 11-housing, 111-access road, 112-exit passageway, 113-core assembly installing hole, 114-liquid reservoir, 12-adjusts pad, 13-rubber o-ring, 14-socket, 15-the second fairlead.
Detailed description of the invention
As shown in Figure 1, for the step direct-acting type electromagnetic activation valve arrangement of wide operating range of the present utility model, it is made up of valve body 1, coil 2, spring 3, armature 4, bearing pin 5, wearing ring 6, sealing ring 7, fairlead 8, guide valve core 9, main valve plug 10, housing 11, adjustment pad 12, rubber o-ring 13 and socket 14 etc..
The working method of this product is that energising is opened, power-off is closed, and when valve does not works, medium enters main valve plug epicoele 42 by the throttle orifice 104 on main valve plug, provides sealing force for main valve plug 10, it is ensured that the positive sealing of spool together with spring force.When entrance does not has pressure reduction with outlet, after coil electricity, electromagnetic attraction overcomes spring force that guide valve core 9 and main valve plug 10 are lifted up successively, and valve is opened.When there is pressure reduction with outlet in entrance, after energising, guide valve core 9 is first picked up a small distance, relief hole 105 on main valve plug 10 is opened, main valve plug epicoele 42 connects with valve export, owing to relief hole 105 circulation area is bigger than the throttle orifice 104 on main valve plug 10, and main valve plug epicoele 42 rapid pressure drop, when main valve plug epicoele 42 medium active force is less than electromagnet suction, main valve plug 10 and guide valve core 9 are opened under the effect of electromagnetic attraction and medium power simultaneously；When valve needs to close, to solenoid power-off, after guide valve core 9 is closed, main valve plug epicoele 42 pressure rises rapidly, and when the medium power that main valve plug 10 is subject to is less than spring force, guide valve core 9 and main valve plug 10 move downward under spring force, valve closing.In order to adapt to the requirement of engine system width operating temperature range, and ensure the positive sealing of fuel regulator valve, seal structure and have employed a kind of resistant to elevated temperatures nonmetal soft seal form.
The embodiment being applied to certain punching engine system is as follows:
In certain liquid Asia burning ramjet is developed, propose work, working pressure range 0～5MPa, operating flow range 0～1.3kg/s, operating temperature range-50 DEG C～the main performance requirements of 150 DEG C are repeated several times to fuel service system control valve.Use according to electromagnetic activation valve and require feature, electromagnetic activation valve is carried out structure design, has been computed analysis, ground performance test and heaven Flight Test Research and shows, this electromagnetic activation valve reliable operation, stable performance, operating pressure, working flow and operating temperature can meet specific tasks demand.This structure electromagnetic activation valve can be applicable in other liquid-propellant rocket engines, punching engine and combination propelling motor propellant feed system.
Those skilled in the art can require according to different designs and design parameter carries out various supplement in the case of the structure defined without departing from claim, improves and change, and therefore, this utility model is widely.
Claims (9)
1. the step direct-acting type electromagnetic activation valve of a wide operating range, assembly is driven including housing (11), core assembly and spool, access road (111), exit passageway (112) and core assembly installing hole (113) it is provided with on described housing (11), described spool drives assembly to include coil (2), coil rack (1) and armature (4), described coil (2) is wound on coil rack (1), the magnetic pole strength of described coil rack (1) with the one of armature (4) rectify right
It is characterized in that:
Described core assembly installing hole (113) is coaxially disposed with exit passageway (112), the liquid reservoir (114) that access road (111) is connected it is additionally provided with between described core assembly installing hole (113) and exit passageway (112), described core assembly installing hole (113), liquid reservoir (114) and exit passageway (112) run through housing
Described core assembly includes guide valve core (9), the first fairlead (8) and main valve plug (10),
Described coil rack (1), armature (4), guide valve core (9), the first fairlead (8) and main valve plug (10) are coaxially disposed with exit passageway (112),
Described main valve plug (10) is arranged on core assembly installing hole (113) place, one end of definition main valve plug (10) is sealed end (101), the other end of main valve plug (10) is nested end (102), described sealed end (101) is positioned in liquid reservoir (114), exit passageway (112) just is used for sealing or open exit passageway (112) by described sealed end (101), described nested end (102) is just to armature (4), the guide valve core installing hole (103) offered vertically from nested end (102) end face
Described guide valve core (9) is arranged in guide valve core installing hole (103) by the first fairlead (8), one end of described guide valve core (9) is bar portion (91), the other end is head (92), the diameter of described head (92) diameter more than bar portion (91) and the internal diameter more than the first fairlead (8), described head (92) contacts with the bottom of guide valve core installing hole (103), and described bar portion (91) is stretched out main valve plug (10) and fixing with armature (4) is connected；Described first fairlead (8) is enclosed within pilot valve stem (91) from the bar end surface of guide valve core (9), matched in clearance between described first fairlead (8) and pilot valve stem (91), the axial height of described first fairlead (8) is less than the engagement height between the first fairlead and bar portion；Closely cooperate between described first fairlead (8) and main valve plug (10)；
The opposite side that described main valve plug (9) is relative with access road (111) is additionally provided with the throttle orifice (104) communicated with access road (111), described main valve plug sealed end (101) is just additionally provided with relief hole (105) to guide valve core head (92) place, the diameter of described relief hole (105) is less than the diameter of guide valve core head (92) more than the diameter of throttle orifice (104)
The axially arranged of described armature (4) has the tracting pressuring hole (41) communicated with throttle orifice, definition space between described armature (4) and coil rack magnetic pole strength is main valve plug epicoele (42), described tracting pressuring hole (41) communicates with main valve plug epicoele (42)
Described spool drives assembly also to include spring (3), described spring (3) is positioned between coil rack (1) and armature (4), described spring (3) is in the case of coil is not powered on, it is provided that guide valve core (9) seals the pressure of relief hole (105).
The step direct-acting type electromagnetic activation valve of wide operating range the most according to claim 1, it is characterised in that:
Described step direct-acting type electromagnetic activation valve also includes the second fairlead (15), described second fairlead is enclosed within the outside of main valve plug and armature, it is provided with sealing ring (7) between described second fairlead (15) and main valve plug, the circumference of described main valve plug is offered and is equipped with cannelure (106), and described sealing ring (7) is installed on cannelure (106) place.
The step direct-acting type electromagnetic activation valve of wide operating range the most according to claim 2, it is characterised in that: it is additionally provided with anti-friction ring (6) between described second fairlead (15) and armature (4).
The step direct-acting type electromagnetic activation valve of wide operating range the most according to claim 3, it is characterised in that: it is additionally provided with rubber o-ring (13) between described second fairlead (15) and core assembly installing hole.
5. according to the step direct-acting type electromagnetic activation valve of the wide operating range described in any claim of claim 1-4, it is characterised in that:
Described main valve plug sealed end (101) uses metal edge knurling process to be inlaid with the polyimide plastic for sealing exit passageway, for the sealing of exit passageway (112)；Described guide valve core head (92) uses metal edge knurling process to be inlaid with the polyimide plastic for sealing relief hole (105).
The step direct-acting type electromagnetic activation valve of wide operating range the most according to claim 5, it is characterised in that:
Described tracting pressuring hole (41) includes spring putting hole and guide valve core putting hole, connected by diameter holes (43) between described spring putting hole and spool putting hole, one end of described spring (3) is positioned at spring putting hole, the blind hole that the other end of described spring (3) is positioned on coil rack.
The step direct-acting type electromagnetic activation valve of wide operating range the most according to claim 6, it is characterised in that:
Described guide valve core (9) is positioned at guide valve core putting hole with the connection end of armature (4), the radial direction of described armature (4) is further opened with the pin shaft hole connected with guide valve core putting hole, is connected by bearing pin (5) between described guide valve core and armature.
The step direct-acting type electromagnetic activation valve of wide operating range the most according to claim 7, it is characterised in that: described armature (4) two faces relative with coil rack (1) are provided with 90 ° of cone angles.
The step direct-acting type electromagnetic activation valve of wide operating range the most according to claim 1, it is characterized in that: described guide valve core installing hole (103) includes screwed hole (1031) and unthreaded hole (1032), the radial dimension of described screwed hole (1031) is more than the radial dimension of unthreaded hole (1032), described screwed hole (1031) is offered by nested end, and described unthreaded hole (1032) is near sealed end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521030990.XU CN205446871U (en) | 2015-12-10 | 2015-12-10 | Wide working range's substep direct action type electromagnetism actuates valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521030990.XU CN205446871U (en) | 2015-12-10 | 2015-12-10 | Wide working range's substep direct action type electromagnetism actuates valve |
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| CN205446871U true CN205446871U (en) | 2016-08-10 |
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|---|---|---|---|
| CN201521030990.XU Withdrawn - After Issue CN205446871U (en) | 2015-12-10 | 2015-12-10 | Wide working range's substep direct action type electromagnetism actuates valve |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387261A (en) * | 2015-12-10 | 2016-03-09 | 西安航天动力研究所 | Step-by-step direct-action electromagnetic operating valve with wide working range |
| CN106641398A (en) * | 2016-12-30 | 2017-05-10 | 西安航天动力研究所 | Large-caliber pilot unloading type electromagnetic valve |
| CN107339490A (en) * | 2017-08-17 | 2017-11-10 | 无锡威孚高科技集团股份有限公司 | One kind stops solenoid |
| CN110630406A (en) * | 2019-08-21 | 2019-12-31 | 上海空间推进研究所 | Pilot-operated type gas oxygen control device |
| CN114856865A (en) * | 2022-05-05 | 2022-08-05 | 西安航天动力研究所 | Method for monitoring end face sealing fault of liquid rocket engine test-run bellows |
-
2015
- 2015-12-10 CN CN201521030990.XU patent/CN205446871U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387261A (en) * | 2015-12-10 | 2016-03-09 | 西安航天动力研究所 | Step-by-step direct-action electromagnetic operating valve with wide working range |
| CN105387261B (en) * | 2015-12-10 | 2018-06-26 | 西安航天动力研究所 | A kind of step direct-acting type electromagnetic activation valve of wide operating range |
| CN106641398A (en) * | 2016-12-30 | 2017-05-10 | 西安航天动力研究所 | Large-caliber pilot unloading type electromagnetic valve |
| CN107339490A (en) * | 2017-08-17 | 2017-11-10 | 无锡威孚高科技集团股份有限公司 | One kind stops solenoid |
| CN110630406A (en) * | 2019-08-21 | 2019-12-31 | 上海空间推进研究所 | Pilot-operated type gas oxygen control device |
| CN114856865A (en) * | 2022-05-05 | 2022-08-05 | 西安航天动力研究所 | Method for monitoring end face sealing fault of liquid rocket engine test-run bellows |
| CN114856865B (en) * | 2022-05-05 | 2023-08-08 | 西安航天动力研究所 | Method for monitoring test run bellows type end face seal fault of liquid rocket engine |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160810 Effective date of abandoning: 20180626 |
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| AV01 | Patent right actively abandoned |