CN206592617U - A kind of heavy caliber pilot-operated type piston-type magnetic valve - Google Patents
A kind of heavy caliber pilot-operated type piston-type magnetic valve Download PDFInfo
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- CN206592617U CN206592617U CN201720166429.7U CN201720166429U CN206592617U CN 206592617 U CN206592617 U CN 206592617U CN 201720166429 U CN201720166429 U CN 201720166429U CN 206592617 U CN206592617 U CN 206592617U
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- piston
- valve
- pilot
- magnetic valve
- guide pin
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Abstract
The utility model provides a kind of heavy caliber pilot-operated type piston-type magnetic valve, including valve body, bonnet, manual switchgroup and switch speed adjusting means, and valve body is connected and sealed with valve cover bolt.Valve body cavity is built with guide pin bushing under piston, and valve cover cavity is built with piston upper guide bush, and piston component is placed under piston upper guide bush and piston in guide pin bushing and positioned with jump ring, it is ensured that piston component moves up and down flexible.Switch speed adjusting means put with bonnet side, it is made up of cutting ferrule, aciculiform screw rod, O-ring, fixing nut, adjustable water inlet air inflow size is rotated counterclockwise clockwise, to convert the switching speed of magnetic valve.There are pilot valve mouth, plunger tube component, adjustable balance-type movable core component, spring, coil in bonnet inner chamber.Manual switchgroup is made up of guide pin bushing, rotary screw, O-ring, when workplace power-off can not opens solenoid valve when, rotatable manual switchgroup comes opens solenoid valve, more hommization.
Description
Technical field
The utility model is related to solenoid valve market, is specifically related to a kind of heavy caliber pilot-operated type piston-type magnetic valve.
Background technology
The magnetic valve of prior art often uses single-piston guide pin bushing, and plunger designs volume is necessarily large and bulky, and only one section is led
To structure, magnetic valve can produce inclination under moment media impingement, so that it is dumb to cause magnetic valve switch often occur, single
Side friction is serious, and particularly under steam condition, high-temperature medium can produce amount of heat, make piston component and piston guide bush slight
Splash and rise, easily occur under the less fit clearance of original piston and piston guide bush stuck, cause magnetic valve not opened, pass is not lived
Phenomenon.Micro impurity is more or less had in general pipeline to cross into valve pocket, due to piston electromagnetic valve fit clearance itself
Smaller, along with thermal expansion factor, small particle can make piston movement not smooth, can similarly cause electromagnetic valve switch failure.
The heavy caliber pilot-operated type piston-type magnetic valve of prior art when in use, open and close by only a kind of fixed mode,
Can not electromagnetic valve for adjusting switching speed, while pressure difference formation the time it is longer, estimate and do not reach client's use requirement.
The heavy caliber pilot-operated type piston-type magnetic valve of prior art, relatively simple in configuration, the opening that can only be powered power-off
Close.When outage condition occurs in scene, magnetic valve is switched on releasing during the pressure in equipment, all feels simply helpless, can only
A bypass is opened again, fills manually-operated gate to realize, cost is high, and design is complicated.
Utility model content
(1) technical problem to be solved
In view of the deficienciess of the prior art, the utility model provides a kind of heavy caliber pilot-operated type piston-type magnetic valve.
(2) technical scheme
To reach above-mentioned purpose, the utility model provides a kind of heavy caliber pilot-operated type piston-type magnetic valve, including valve body,
Bonnet, valve element and switch speed adjusting means, the valve body are provided with first piston guide pin bushing, and the bonnet is provided with second piston
Guide pin bushing, the valve element includes first piston body and second piston body, and the first piston body is arranged on the first piston guide pin bushing
On, the second piston body is arranged on the second piston guide pin bushing, and the switch speed adjusting means includes being located on valve element
The pressure regulating cavity body at end, the regulation passage of connection pressure regulating cavity body and water inlet and it is used to adjust on regulation passage
The regulation switch of section regulation channel capacity size.
Further, the regulation switch includes cutting ferrule, aciculiform screw rod, O-ring, fixing nut and adjustment hole, the aciculiform
Screw rod is arranged on the cutting ferrule, and the O-ring is enclosed on the aciculiform screw rod and is located between the cutting ferrule and aciculiform screw rod,
The cutting ferrule is arranged on the bonnet, and the fixing nut is arranged on one end of the aciculiform screw rod.
Further, in addition to electromagentic switching apparatus, the electromagentic switching apparatus include pilot valve cavity positioned at valve element upper end,
Connect pilot valve cavity and the pilot passage of delivery port, the movable core for controlling pilot passage break-make and for controlling activity
The electromagnet of iron core motion.
Further, in addition to manual switchgroup, the manual switchgroup includes guide pin bushing, rotary screw and O-ring, institute
State guide pin bushing to be fixedly mounted on the bonnet, the rotary screw is arranged in the guide pin bushing, and one end of the rotary screw is set
There is eccentric projection, the eccentric projection is placed in the movable core lower end and promotes the active iron with the rotation of rotary screw
Core.
Further, it is communicated with adjusting the compensation hole of passage and water inlet on the valve element.
Further, in addition to back-moving spring, the back-moving spring be arranged on the valve element upper end and respectively with valve element and
Bonnet connects.
(3) beneficial effect
The utility model heavy caliber pilot-operated type piston-type magnetic valve has the advantages that：
1st, the utility model heavy caliber pilot-operated type piston-type magnetic valve respectively has a piston guide bush up and down using two grades of guiding,
Prevent from tilting when piston is pressurized, piston is in plateau all the time.Fit clearance is larger between piston and piston bush, prevents heat
Splash rise and fine particle enter cause stuck, it is ensured that magnetic valve either on or off superior performance.
2nd, the utility model heavy caliber pilot-operated type piston-type magnetic valve workplace power-off can not opens solenoid valve when, can
Manual unlocking, is designed more humanized.
3rd, the utility model heavy caliber pilot-operated type piston-type magnetic valve passes through the device equipped with a switch speed adjusting means
The regulation of electromagnetic valve switch speed speed can be realized, preferably and coordinative composition of equipments.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model heavy caliber pilot-operated type piston-type solenoid closure state；
Fig. 2 is the structural representation of the utility model heavy caliber pilot-operated type piston-type magnetic valve opening；
Fig. 3 is to adjust the structural representation of switch in the utility model heavy caliber pilot-operated type piston-type magnetic valve；
Fig. 4 is the structural representation of manual switchgroup in the utility model heavy caliber pilot-operated type piston-type magnetic valve.
Wherein, 1 is valve body, and 2 be bonnet, and 3 be valve element, and 4 be switch speed adjusting means, and 5 be manual switchgroup, and 6 are
Pilot valve cavity, 7 be pilot passage, and 8 be movable core, and 9 be electromagnet, and 10 be first piston guide pin bushing, and 11 be water inlet, and 12 be
The mouth of a river, 21 be second piston guide pin bushing, and 31 be second piston body, and 32 be first piston body, and 33 be compensation hole, and 41 be regulation passage,
42 be regulation cavity, and 43 be cutting ferrule, and 44 be aciculiform screw rod, and 45 be adjustment hole, and 47 be fixing nut, and 48 be O-ring, and 51 be rotation
Screw rod, 52 be guide pin bushing, and 53 be eccentric projection,
Embodiment
With reference to the accompanying drawings and examples, embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.
A kind of structure of heavy caliber pilot-operated type piston-type magnetic valve of the present utility model as shown in Figure 1, Figure 2, Fig. 3 and Fig. 4 institutes
Show, including valve body 1, bonnet 2, valve element 3 and switch speed adjusting means 4, the valve body 1 is provided with first piston guide pin bushing 10, institute
Bonnet 2 is stated provided with second piston guide pin bushing 21, the valve element 3 includes first piston body 32 and second piston body 31, described first
Piston body 32 is arranged on the first piston guide pin bushing 10, and the second piston body 31 is arranged on the second piston guide pin bushing 21
On, the switch speed adjusting means 4 includes pressure regulating cavity body 42, the connection pressure regulating cavity body 42 positioned at the upper end of valve element 3
It is used for the regulation of the regulation uninterrupted of passage 41 with the regulation passage 41 of water inlet 11 and on regulation passage 41
Switch.
Valve core piston is two grades of guide type structures in magnetic valve in the present embodiment, has taken leave of conventional pistonic magnetic valve
Single mode being oriented to.Valve core piston component design consider discontinuity shortcoming, using up and down be oriented to, magnetic valve without
By in static state also dynamic, keep center line to move up and down, be not in skew and unidirectional friction phenomenon.Especially with medium
During for steam, rise because heat can make metal more or less out splash, this embodiment is preferably resolved because skew is splashed
Rise uneven, stuck existing picture occur.More effective guarantee is provided for the permanent operation of magnetic valve.
In the present embodiment, in addition to electromagentic switching apparatus, the electromagentic switching apparatus includes leading positioned at valve element upper end
The pilot passage 7 of valve chamber 6, connection pilot valve cavity 6 and delivery port 12, for control the movable core 8 that pilot passage 7 is switched with
And the electromagnet 9 for controlling movable core 8 to move.
In the present embodiment, it is communicated with adjusting the compensation hole 33 of passage 41 and water inlet 11 on the valve element 3.
In the present embodiment, in addition to back-moving spring, the back-moving spring is arranged on upper end and the difference of the valve element 3
Connect with valve element 3 and bonnet 2.
Fig. 3 is to adjust the structural representation of switch in the utility model heavy caliber pilot-operated type piston-type magnetic valve.It is described to adjust
Section switch includes cutting ferrule 43, aciculiform screw rod 44, O-ring 45, fixing nut 47 and adjustment hole 48, and the aciculiform screw rod 44 is arranged on
On the cutting ferrule 43, the O-ring 45 be enclosed on the aciculiform screw rod 44 and positioned at the cutting ferrule 43 and aciculiform screw rod 44 it
Between.O-ring is used to realize the sealing between aciculiform screw rod 44 and cutting ferrule 43.The cutting ferrule 43 is arranged on the bonnet 2, described
Fixing nut 47 is arranged on one end of the aciculiform screw rod 44.Aciculiform screw rod 44 faces adjustment hole 48, by rotating aciculiform spiral shell
Bar can realize the regulation to the openings of sizes of adjustment hole 48, so as to realize the regulation of uninterrupted.
Full off state is in when switching speed adjusting means, the pressure of medium flow direction regulation cavity 42 is from energy valve element 3
Compensation hole 33 in flow into, the pressure medium now flowed into is slow and small, and magnetic valve when in use, closes can become slow.
Standard-sized sheet is in when switching speed adjusting means, or opens half state, medium is not only from the compensation hole 33 on valve element 3
Flow direction regulation cavity 42, and more pressure mediums adjust the pressure wink of cavity 42 from the regulation flow direction regulation cavity 42 of passage 41
Anaplasia is big, and under spring force, when in use, it is very fast that closing can become magnetic valve.So as to realize in different operating modes
Under, magnetic valve can also adjust switching speed at any time, preferably and coordinative composition of equipments.
Fig. 4 is the structural representation of manual switchgroup in the utility model heavy caliber pilot-operated type piston-type magnetic valve.
In the present embodiment, in addition to electromagentic switching apparatus, the electromagentic switching apparatus is including being located at the pilot valve cavity 6 of the upper end of valve element 3, connecting
Pilot valve cavity 6 is connect with the pilot passage 7 of delivery port 12, the movable core 8 for controlling the switch of pilot passage 7 and for controlling
The electromagnet 9 that movable core 8 processed is moved.Additionally include manual switchgroup 5, the manual switchgroup 5 include guide pin bushing 52,
Rotary screw 51 and O-ring, the guide pin bushing 52 are fixedly mounted on the bonnet 2, and the rotary screw 51 is arranged on described lead
In set 52, one end of the rotary screw 51 is provided with eccentric projection 53, and the eccentric projection 53 is placed in the lower end of movable core 8
And promote the movable core 8 with the rotation of rotary screw 51.O-ring is used to seal.
When use occasion power-off, magnetic valve can not be opened by electric power.When needing opens solenoid valve in the power-off state, only
Rotary screw 51 on manual switchgroup need to rotate clockwise to half-turn, movable core 8 is by jack-up, pressure in pilot valve cavity 6
Rapidly from the pressure release of pilot passage 7, valve element overcomes spring force to move up, and opens primary valve, and magnetic valve is opened.For the peace of equipment
Full property adds one of protection, while also more hommization.
The beneficial effects of the utility model：
1st, the utility model heavy caliber pilot-operated type piston-type magnetic valve respectively has a piston guide bush up and down using two grades of guiding,
Prevent from tilting when piston is pressurized, piston is in plateau all the time.Fit clearance is larger between piston and piston bush, prevents heat
Splash rise and fine particle enter cause stuck, it is ensured that magnetic valve either on or off superior performance.
2nd, the utility model heavy caliber pilot-operated type piston-type magnetic valve workplace power-off can not opens solenoid valve when, can
Manual unlocking, is designed more humanized.
3rd, the utility model heavy caliber pilot-operated type piston-type magnetic valve passes through the device equipped with a switch speed adjusting means
The regulation of electromagnetic valve switch speed speed can be realized, preferably and coordinative composition of equipments.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as protection domain of the present utility model.
Claims (6)
1. a kind of heavy caliber pilot-operated type piston-type magnetic valve, including valve body (1), bonnet (2), valve element (3) and switch speed regulation
Device (4), the valve body (1) is provided with first piston guide pin bushing (10), water inlet (11) and delivery port (12), the bonnet (2)
Second piston guide pin bushing (21) is provided with, the valve element (3) includes first piston body (32) and second piston body (31), described first
Piston body (32) is arranged on the first piston guide pin bushing (10), and the second piston body (31) is led installed in the second piston
Cover on (21), the switch speed adjusting means (4) includes being located at the pressure regulating cavity body (42) of valve element (3) upper end, connection pressure
Power regulation cavity (42) is used to adjust with the regulation passage (41) of the water inlet (11) and on regulation passage (41)
Adjust the regulation switch of passage (41) uninterrupted.
2. heavy caliber pilot-operated type piston-type magnetic valve as claimed in claim 1, it is characterised in that the regulation switch includes card
(43), aciculiform screw rod (44), O-ring (48), fixing nut (47) and adjustment hole (45) are covered, the aciculiform screw rod (44) is arranged on
On the cutting ferrule (43), the O-ring (48) is enclosed on the aciculiform screw rod (44) and positioned at the cutting ferrule (43) and aciculiform spiral shell
Between bar (44), the cutting ferrule (43) is arranged on the bonnet (2), and the fixing nut (47) is arranged on the aciculiform screw rod
(44) one end.
3. heavy caliber pilot-operated type piston-type magnetic valve as claimed in claim 1, it is characterised in that also filled including electromagnetic switch
Put, the electromagentic switching apparatus includes pilot valve cavity (6), connection pilot valve cavity (6) and the delivery port positioned at valve element (3) upper end
(12) pilot passage (7), the movable core (8) for controlling pilot passage (7) break-make and for controlling movable core (8)
The electromagnet (9) of motion.
4. heavy caliber pilot-operated type piston-type magnetic valve as claimed in claim 3, it is characterised in that also including manual switchgroup
(5), the manual switchgroup (5) includes guide pin bushing (52) and rotary screw (51), and the guide pin bushing (52) is fixedly mounted on described
On bonnet (2), the rotary screw (51) is arranged in the guide pin bushing (52), and one end of the rotary screw (51) is provided with inclined
Cardiac prominence block (53), the eccentric projection (53) is placed in the movable core (8) lower end and as the rotation of rotary screw (51) is pushed away
Move the movable core (8).
5. heavy caliber pilot-operated type piston-type magnetic valve as claimed in claim 1, it is characterised in that the valve element (3) is provided with
The compensation hole (33) of connection regulation passage (41) and water inlet (11).
6. heavy caliber pilot-operated type piston-type magnetic valve as claimed in claim 1, it is characterised in that also including back-moving spring, institute
Back-moving spring is stated installed in the upper end of the valve element (3) and is connected respectively with valve element (3) and bonnet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720166429.7U CN206592617U (en) | 2017-02-23 | 2017-02-23 | A kind of heavy caliber pilot-operated type piston-type magnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720166429.7U CN206592617U (en) | 2017-02-23 | 2017-02-23 | A kind of heavy caliber pilot-operated type piston-type magnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206592617U true CN206592617U (en) | 2017-10-27 |
Family
ID=60126678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720166429.7U Active CN206592617U (en) | 2017-02-23 | 2017-02-23 | A kind of heavy caliber pilot-operated type piston-type magnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206592617U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339579A (en) * | 2021-07-01 | 2021-09-03 | 蓝晶晶 | Built-in pilot type stop valve |
-
2017
- 2017-02-23 CN CN201720166429.7U patent/CN206592617U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339579A (en) * | 2021-07-01 | 2021-09-03 | 蓝晶晶 | Built-in pilot type stop valve |
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