CN206377328U - A kind of heavy caliber guide discharging type magnetic valve - Google Patents
A kind of heavy caliber guide discharging type magnetic valve Download PDFInfo
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- CN206377328U CN206377328U CN201621471085.2U CN201621471085U CN206377328U CN 206377328 U CN206377328 U CN 206377328U CN 201621471085 U CN201621471085 U CN 201621471085U CN 206377328 U CN206377328 U CN 206377328U
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Abstract
A kind of heavy caliber guide discharging type magnetic valve, including valve body, bonnet, core assembly and electromagnetic drive control assembly；Core assembly includes main valve plug and guide valve core；Main valve plug is located at valve seat；Main valve plug top is cylindrical structure, and cylindrical structure bottom offers relief hole；Throttle orifice and intercommunicating pore are additionally provided with main valve plug；Throttle orifice is located at the medium inlet side of valve body；Intercommunicating pore one end is connected with main valve plug epicoele, and the other end is connected with the relief hole；Guide valve core is nested in the cylindrical structure of main valve plug, and guide ring is provided between main valve plug and guide valve core；When guide valve core is moved, main valve plug is driven to move by guide ring；Magnetic valve also includes diaphragm；The interior of the diaphragm is connected along part with main valve plug, and peripheral rim portion and the valve body of diaphragm are connected；Bore >=50mm of magnetic valve, seat diameter >=80mm, stroke >=6mm of armature Up/Down.The utility model is applied to the small flow resistance condition of work of big orifice, small volume, lightweight.
Description
Technical field
The utility model is related to a kind of magnetic valve, more particularly to a kind of heavy caliber guide discharging type magnetic valve, is suitable for use as
The control valve of low pressure heavy caliber gas piping.Big caliber electromagnetic valve described in the utility model refers to bore >=50mm electromagnetism
Valve.
Background technology
Certain space station ring control life support system needs a kind of supporting big caliber electromagnetic valve for emergency pressure relief, it is proposed that bore
Not less than 50mm, 0~0.15MPa of operating pressure, sealed reliable, weight are not more than 2kg, working life setting not less than 3000 times
Meter is required.
Existing conventional magnetic valve has guide electromagnetic valve and direct-acting electromagnetic valve, and the shortcoming of both valves is：
Guide type electromagnetic valve arrangement, it, which is opened, needs the system media pressure differential main valve plug of minimum, unloaded or low
Operating pressure lower valve can not work.
Direct-acting electromagnetic valve can work under unloaded or low operating pressure, will but if to meet bigbore design
Ask, its physical dimension and quality will be very big, the scope that can be born far beyond space station ring control life support system.
Therefore, existing magnetic valve can not meet the above-mentioned design requirement of the space station ring control life support system.
Utility model content
Based on above-mentioned background technology, technical problem to be solved in the utility model is to provide one kind can be unloaded or have load
Lower work, size are small, lightweight heavy caliber guide discharging type magnetic valve.
Technical solution of the present utility model is：
A kind of heavy caliber guide discharging type magnetic valve, including valve body, bonnet, core assembly and electromagnetic drive control group
Part；Valve seat is provided with valve body；Bonnet is arranged on valve body upper end；Core assembly mounting hole is provided with bonnet；
It is characterized in that：
Core assembly includes main valve plug and guide valve core；Main valve plug is arranged at core assembly mounting hole, and bottom is disc
And contacted with valve base sealing；Main valve plug top is cylindrical structure, and cylindrical structure bottom offers relief hole；Also set up on main valve plug
There are throttle orifice and intercommunicating pore；Throttle orifice is located at the medium inlet side of valve body；Intercommunicating pore one end is connected with main valve plug epicoele, the other end
Connected with the relief hole；
The axial cross section of guide valve core is to be set with guide ring outside " ⊥ " shape, its " I " portion, and its "-" portion is located at below guide ring；
The "-" portion diameter of guide valve core is more than guide ring internal diameter and is less than cylindrical structure internal diameter；
Guide valve core and guide ring are respectively positioned in the cylindrical structure of main valve plug, and guide ring is fixedly connected with tubular structure, pilot valve
" I " portion upper end of core is stretched out to be connected outside tubular structure with electromagnetic drive control assembly；
The magnetic valve also includes diaphragm；The diaphragm it is interior along part with main valve plug be connected, the peripheral rim portion of diaphragm with
Valve body is connected；
Bore >=50mm of the magnetic valve, seat diameter >=80mm, stroke >=6mm of armature Up/Down.
Core assembly Up/Down in the presence of electromagnetic drive control assembly, so as to separate or engage with valve seat, is realized
The switching of connected state between medium inlet and media outlet.
The utility model uses the main valve plug that disk is combined with cylinder, cuts with diaphragm to connect main valve plug and valve body, because
This can both increase valve seat latus rectum, and valve weight and volume can be minimized by having.
Based on above-mentioned basic technical scheme, the utility model is also made following optimization and/or limited：
In order to meet the big range demands of main valve plug, above-mentioned diaphragm uses disc structure.The interior of diaphragm passes through spiral shell along part
Mother is fixed and clamped on main valve plug, and the peripheral rim portion of diaphragm is fixed and clamped on valve body by bonnet.
In order to reduce the rigidity of diaphragm, to prevent from causing after magnetic valve is repeatedly acted under big stroke mode of operation diaphragm fatigue
Tear, it is ensured that the operating life of magnetic valve, above-mentioned diaphragm uses both sides for cloth inserted structure in the middle of rubber.
Above-mentioned electromagnetic drive control assembly mainly includes coil rack, coil, spring and armature；Coil rack is fixedly mounted
On bonnet, the bottom of coil rack is sleeved on outside the cylindrical structure of guide valve core；Coil winding is outside coil rack；Armature is installed
It can slide axially in coil rack and along coil rack；The top of coil rack is electromagnet, and the magnetic pole strength of electromagnet is just right
Simultaneously stay at regular intervals in the upper surface of armature；Spring is arranged between the magnetic pole strength of coil rack and the upper surface of armature；Armature
Lower end and guide valve core upper end be connected.
The lower surface of above-mentioned armature is axially disposed the groove being adapted with guide valve core, and groove is radially arranged along armature
There is pin-and-hole one；Guide valve core top corresponding position has been radially arranged pin-and-hole two along guide valve core；Armature and guide valve core are in pin-and-hole one, two
Place is connected by connecting pin.
When being provided with 90 degree of cone angles on above-mentioned armature two faces relative with coil rack, the working gas gap of electromagnet is most
Small, the quality of electromagnet is minimum, while ensure that the stroke of guide valve core and/or main valve plug.
Occur to prevent clamping stagnation and stuck phenomenon, extend the working life of magnetic valve, installed outside above-mentioned armature
Elastic anti-friction ring, also installs elastic anti-friction ring outside the cylindrical structure of guide valve core.
To make electromagnetic valve structure compact, above-mentioned main valve plug and guide valve core are co-axially mounted.
Compared with prior art, the utility model has the advantages that：
(1) the utility model combines the design feature of direct-acting electromagnetic valve and guide electromagnetic valve, it is adaptable to big orifice
Small flow resistance condition of work.In order to meet bigbore design requirement, the utility model is by increasing seat diameter, reducing armature
Stroke (the trip determines the aperture of main valve plug) ensures valve circulation area, while using rubber between main valve plug and valve body
Diaphragm connection sealing, and the physical dimension of other assemblies increase very little is even without increase, therefore compact conformation, small volume, again
Amount is light；The utility model is controlled the engaged/disengaged of core assembly and valve seat by electromagnetic drive control assembly, therefore unloaded or low
It can be worked under operating pressure.
(2) diaphragm of the present utility model is dish, using the structure of rubber-cloth-rubber, and with rigidity is small, stroke is big
Feature, can both ensure the stroke of core assembly, can prevent from causing tired tear after repeatedly acting under big stroke mode of operation again,
The operating life of magnetic valve has been effectively ensured.
(3) 90 ° of cone angle structures are respectively provided with the opposite face of electromagnet and armature of the present utility model, to ensure armature travel
On the premise of, reduce work of electromagnet air gap, therefore, it is possible to obtain required electromagnetism with less electromagnetism weight of iron and volume
Suction.
(4) Proper Match in throttle orifice, relief hole and intercommunicating pore, structure design is devised on main valve plug of the present utility model
The size of throttle orifice and relief hole, relief hole circulation area is designed as being more than or equal to 3 times of throttle orifice circulation area, so that will
Valve opens and closes response time control within 100ms to meet design requirement.
(5) the utility model is respectively mounted elastic anti-friction ring outside armature and outside the cylindrical structure of main valve plug, can reduce rank
Frictional force when iron and main valve plug action, prevents armature and valve body, main valve plug and coil rack from clamping stagnation and stuck phenomenon occur, prolongs
The operating life of long magnetic valve.
(6) the utility model sealing reliability is high.Structure design upper valve core-valve base sealing is secondary to use nonmetallic-metal
Compound sealing structure, nonmetallic encapsulant uses the preferable elastomeric material of resilience, the sealed end of guide valve core and main valve plug
Sealed end ensures that block rubber and valve element matrix are reliably connected using rubber curing techniques, and strict control action is in elastomeric material
On seal pressure, it is ensured that valve element repeatedly action after sealing reliability.
Brief description of the drawings
Fig. 1 is heavy caliber guide's discharging type electromagnetic valve structure schematic diagram；
Fig. 2 is main valve plug of the present utility model and guide valve core attachment structure figure；
Fig. 3 is armature structure figure of the present utility model.
Wherein reference is：
1- coil racks, 2- coils, 3- springs, 4- armature, 41- elastic anti-frictions ring, 5- connecting pins, 6- guide valve cores, 61- connect
Connect hole, 7- main valve plugs, 71- throttle orifices, 72- relief holes, 73- intercommunicating pores, 8- guide rings, 9- diaphragms, 10- valve bodies, 11- adjusting pads
Piece, 12- pads, 13-O shapes rubber seal, 14- big nuts, 15- primary nuts, 16-O shapes rubber seal, 17- bonnets, 18-
Valve seat, 19- cone angles, 20- main valve plug epicoeles.
Embodiment
The utility model is further described below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 and Figure 2, heavy caliber guide discharging type magnetic valve provided by the utility model, including valve body 10, valve
Lid, core assembly and electromagnetic drive control assembly.
The left end of valve body 10 is medium inlet, and right-hand member is media outlet, is medium channel between medium inlet and media outlet.
Valve seat 18 is provided with valve body 10；Bonnet 17 is arranged on the upper end of valve body 10 (joint is sealed using O shapes rubber seal 13), valve
Core assembly mounting hole is offered on lid 17, core assembly is located at core assembly mounting hole, when valve is closed, core assembly
Bottom is contacted with valve base sealing.
Core assembly is combined type valve element, by being arranged on the main valve plug 7 of core assembly mounting hole and being nested in main valve plug
Interior guide valve core 6 is constituted.The bottom of main valve plug 7 is disc and in sealing contact with the upper surface of valve seat 18, and main valve plug 7 is circle
Barrel structure, cylindrical structure bottom offers relief hole 72；Main valve plug 7 offers throttle orifice 71, cylinder knot at medium inlet
The intercommunicating pore 73 for connecting main valve plug epicoele and relief hole is offered on structure.The circulation of the circulation area ＜ intercommunicating pores of throttle orifice
The circulation area of area ＜ relief holes.
Guide valve core 6 is generally shaft-like, and lower end diameter becomes wonderful works seal header joints；The bar portion of guide valve core 6 and the circle of main valve plug 7
Guide ring 8 is installed, guide ring 8 is connected threadably with main valve plug 7 between barrel structure, guide ring 8 and guide valve core 6
Between there is gap.The upper end bar portion of guide valve core 6 stretches out that tubular structure is outer and armature 4 of electromagnetic drive control assembly passes through connecting pin
5 are connected, and lower end head and relief hole 72 are in sealing contact, and the bottom of cylindrical structure is used as guide valve core valve seat.
In order to reduce the size of valve, valve seat mouthful of the present utility model as far as possible when meeting bigbore design requirement
Footpath is >=80mm, and connects main valve plug and valve body using diaphragm 9, and specific connected mode passes through big spiral shell for the interior of diaphragm 9 along part
Mother 14 and pad 12 are fixed on the upper end surface of main valve plug, the peripheral rim portion of diaphragm 9 by adjust pad 11 be fixed on valve body and
Between bonnet.In order to ensure the stroke of core assembly and prevent that repeatedly action causes tired tear under big stroke, it is ensured that magnetic valve
Operating life, diaphragm 9 uses both sides for the disc-shaped diaphragm of folder cloth structure in the middle of rubber.
Electromagnetic drive control assembly is mainly made up of coil 2, coil rack 1 and armature 4.Coil rack 1 is fixedly mounted on
(sealed on bonnet 17 with bonnet joint using O shapes rubber seal 16), the bottom of coil rack 1 is cylinder set in pilot valve
The cylindrical structure of core is outer and is fixed by primary nut 15, and the installing space of armature 4, coil rack are reserved with the middle part of coil rack
Top be electromagnet；Coil 2 is wound on outside coil rack 1；Armature 4 is arranged in coil rack 1 and can be along coil rack axle
To movement (to improve life of valve, armature 4 is outer install elastic anti-friction ring 41), the magnetic of the upper surface of armature 4 just to electromagnet
Pole-face is simultaneously reserved with certain stroke distances；Spring 3 is installed between the magnetic pole strength of electromagnet and the upper surface of armature；Under armature
End and the upper end of guide valve core are connected by connecting pin.
For further reduction magnetic valve size, 90 degree of cone angles are respectively provided with the opposite face of the utility model electromagnet and armature
19 structures, to reduce the quality and volume of electromagnet to greatest extent on the premise of formed objects electromagnetic attraction.
Operation principle of the present utility model：
Working method of the present utility model is opened to be powered, power-off is closed.When valve does not work, medium passes through main valve plug 7
On throttle orifice 71 enter main valve plug epicoele 20, provide sealing force together with spring 3 for main valve plug 7, it is ensured that main valve plug it is reliable
Sealing；Spring 3 is that guide valve core 6 provides sealing force, it is ensured that the reliable sealing of guide valve core.
Under idle condition, after coil 2 is powered, electromagnetic attraction overcomes spring force that guide valve core 6 and main valve plug 7 are carried upwards successively
Rise, valve is opened.
When medium inlet and media outlet have pressure difference, after coil 2 is powered, guide valve core 6 is first picked up a small distance,
Relief hole 72 on main valve plug 7 is first opened and connects main valve epicoele with the media outlet of valve, due to the circulating face of relief hole 72
Product is bigger than throttle orifice 71, and main valve plug upper cavity pressure declines rapidly, when the medium active force on main valve plug is less than electromagnet suction,
Main valve plug 7 is opened in the presence of electromagnetic attraction and medium power.
When valve needs to close, powered off to coil 2, guide valve core 6 is first closed under the force of a spring, main valve plug epicoele pressure
Power rises rapidly, and guide valve core 6 and main valve plug 7 are moved downward under spring force and medium power collective effect, and valve is closed.
Claims (8)
1. a kind of heavy caliber guide discharging type magnetic valve, including valve body, bonnet, core assembly and electromagnetic drive control assembly；
Valve seat is provided with valve body；Bonnet is arranged on valve body upper end；Core assembly mounting hole is provided with bonnet；
It is characterized in that：
Core assembly includes main valve plug and guide valve core；Main valve plug is arranged at core assembly mounting hole, bottom be disc and with
Valve base sealing is contacted；Main valve plug top is cylindrical structure, and cylindrical structure bottom offers relief hole；Section is additionally provided with main valve plug
Discharge orifice and intercommunicating pore；Throttle orifice is located at the medium inlet side of valve body；Intercommunicating pore one end is connected with main valve plug epicoele, the other end and institute
State relief hole connection；
The axial cross section of guide valve core is to be set with guide ring outside " ⊥ " shape, its " I " portion, and its "-" portion is located at below guide ring；Pilot valve
The "-" portion diameter of core is more than guide ring internal diameter and is less than cylindrical structure internal diameter；
Guide valve core and guide ring are respectively positioned in the cylindrical structure of main valve plug, and guide ring is fixedly connected with tubular structure, guide valve core
" I " portion upper end is stretched out to be connected outside tubular structure with electromagnetic drive control assembly；
The magnetic valve also includes diaphragm；The interior of the diaphragm is connected along part with main valve plug, the peripheral rim portion and valve body of diaphragm
It is connected；
Bore >=50mm of the magnetic valve, seat diameter >=80mm, stroke >=6mm of armature Up/Down.
2. heavy caliber guide discharging type magnetic valve according to claim 1, it is characterised in that：The diaphragm is dish, film
The interior of piece is fixed and clamped on main valve plug along part by nut, and the peripheral rim portion of diaphragm is fixed and clamped in valve body by bonnet
On.
3. heavy caliber guide discharging type magnetic valve according to claim 1 or 2, it is characterised in that：The diaphragm uses two
Side is cloth inserted structure in the middle of rubber.
4. heavy caliber guide discharging type magnetic valve according to claim 1, it is characterised in that：The electromagnetic drive control group
Part mainly includes coil rack, coil, spring and armature；Coil rack is fixedly mounted on bonnet, the bottom set of coil rack
Outside the cylindrical structure of guide valve core；Coil winding is outside coil rack；Armature is arranged in coil rack and can be along coil bone
Frame slides axially；The top of coil rack is electromagnet, upper surface just to armature of the magnetic pole strength of electromagnet and leave it is certain between
Away from；Spring is arranged between the magnetic pole strength of coil rack and the upper surface of armature；The lower end of armature and the upper end of guide valve core are connected.
5. heavy caliber guide discharging type magnetic valve according to claim 4, it is characterised in that：The lower surface of armature is vertically
The groove being adapted with guide valve core is provided with, groove has been radially arranged pin-and-hole one along armature；Guide valve core top corresponding position
Pin-and-hole two has been radially arranged along guide valve core；Armature and guide valve core are connected at pin-and-hole one, two by connecting pin.
6. heavy caliber guide's discharging type magnetic valve according to claim 4 or 5, it is characterised in that：The armature and coil
Skeleton is provided with 90 degree of cone angles on two relative faces.
7. heavy caliber guide's discharging type magnetic valve according to claim 4 or 5, it is characterised in that：Installed outside the armature
There is elastic anti-friction ring；Elastic anti-friction ring is installed outside the cylindrical structure of guide valve core.
8. heavy caliber guide discharging type magnetic valve according to claim 1, it is characterised in that：The main valve plug and guide valve core
It is co-axially mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621471085.2U CN206377328U (en) | 2016-12-30 | 2016-12-30 | A kind of heavy caliber guide discharging type magnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621471085.2U CN206377328U (en) | 2016-12-30 | 2016-12-30 | A kind of heavy caliber guide discharging type magnetic valve |
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| Publication Number | Publication Date |
|---|---|
| CN206377328U true CN206377328U (en) | 2017-08-04 |
Family
ID=59409001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621471085.2U Active CN206377328U (en) | 2016-12-30 | 2016-12-30 | A kind of heavy caliber guide discharging type magnetic valve |
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| Country | Link |
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| CN (1) | CN206377328U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641398A (en) * | 2016-12-30 | 2017-05-10 | 西安航天动力研究所 | Large-caliber pilot unloading type electromagnetic valve |
| CN113217691A (en) * | 2021-04-30 | 2021-08-06 | 北京宇航系统工程研究所 | Step-by-step direct-acting type deep low-temperature electromagnetic valve |
-
2016
- 2016-12-30 CN CN201621471085.2U patent/CN206377328U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641398A (en) * | 2016-12-30 | 2017-05-10 | 西安航天动力研究所 | Large-caliber pilot unloading type electromagnetic valve |
| CN113217691A (en) * | 2021-04-30 | 2021-08-06 | 北京宇航系统工程研究所 | Step-by-step direct-acting type deep low-temperature electromagnetic valve |
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