CN202992188U

CN202992188U - Quick opened type solenoid valve

Info

Publication number: CN202992188U
Application number: CN 201220678190
Authority: CN
Inventors: 文刚
Original assignee: CHENGDU TE EN DA TECHNOLOGY Co Ltd
Current assignee: Chengdu Tnda Gas Equipment Co ltd
Priority date: 2012-12-11
Filing date: 2012-12-11
Publication date: 2013-06-12
Anticipated expiration: 2022-12-11

Abstract

The utility model discloses a quick opened type solenoid valve. A piston shaft lower end is movably mounted in a flange upper cover sleeve of the solenoid valve; a piston is mounted at one end, in a valve body cavity, of the piston shaft lower end; a piston shaft upper end is mounted at the piston shaft lower end; a handle is connected to one end, passing through the sleeve, of the piston shaft upper end; a flow guide hole is formed in the piston shaft lower end; through holes are respectively formed in the piston shaft upper end and the piston shaft lower end; a spring pressure plate is fixedly mounted at the bottom in the through hole of the piston shaft lower end; a shaft plug is movably mounted above the spring pressure plate; a spring is arranged between the shaft plug and the spring pressure plate; and a piston shaft rod of which one end passes through the through hole of the piston shaft upper end is movably mounted in a groove in the upper end of the shaft plug. When the pressure difference between the air inlet end and the air outlet end of the solenoid valve body is too great, the pressure of the front end of the valve can be quickly reduced through controlling a piston component, so that working personnel can open or close the valve with less effort.

Description

Open soon the formula solenoid valve

Technical field

The utility model relates to a kind of solenoid valve, and after relating in particular to a kind of fault, the inlet end of valve body and outlet side pressure reduction occurs when excessive, solenoid valve that can the Quick open valve door.

Background technique

Solenoid valve is the industry equipment with Electromagnetic Control, be mainly used in adjusting industrial control system medium direction, flow, speed and other parameter, solenoid valve can coordinate different circuit to realize the control of expecting, and precision and the flexibility controlled can both guarantee.At present, solenoid valve all is installed on gas pipeline, gas-fired boiler and gas water-heater, the electromagnetic force that gas electromagnetic valve of the prior art produces with electromagnetic coil is usually opened or the blocking-up fuel gas path, after the fault treatment that solenoid valve occurs, when needing Open valve to work, because inlet end and the outlet side pressure difference of valve body are larger, firmly hour be difficult to valve open when opening valve, overexertion easily damages again valve, and this is difficult to when just making staff's opens solenoid valve control.

The model utility content

For above-mentioned deficiency of the prior art, the utility model provides a kind of formula solenoid valve that opens soon, it pressure reduction can occur in the inlet end of electromagnetic valve body and outlet side when excessive, by the control piston assembly can fast reducing the pressure of inlet end of valve body, make inlet end and the outlet side of valve body reach pressure balance, thereby solved the problem that the people that works is difficult to control the opens solenoid valve dynamics.

In order to reach the foregoing invention purpose, the technical solution adopted in the utility model is: a kind of formula solenoid valve that opens soon is provided, and it comprises valve body, actuator, valve gap and piston assembly; Described valve body and valve gap are screwed and link together; The flange upper cover sleeve of described piston assembly is arranged on valve gap, be movably installed with a piston shaft lower end in flange upper cover sleeve, the piston shaft lower end is arranged on that interior end of valve cavity piston is installed, be provided with the cone spring between piston and valve gap, be installed with a piston shaft upper end on the piston shaft lower end;

Described piston shaft upper end is passed on that end of flange upper cover sleeve and is connected with the handle that a upper and lower end respectively is provided with a groove; Be provided with a pod apertures on described piston shaft lower end, respectively be provided with a through hole on described piston shaft upper end and piston shaft lower end, be installed with bottom spring bearer plate in the through hole of piston shaft lower end, the spring bearer plate top is movably installed with an axle plug, be provided with spring between axle plug and spring bearer plate, be movably installed with the piston axostylus axostyle that an end passes the through hole of piston shaft upper end setting beyond the Great Wall in the groove that axle is held.

Preferably, described axle plug comprises the diameter of the axle plug a section, axle plug b section and the described axle plug of the axle plug c section c section that connect as one greater than the diameter of axle plug a section, and the diameter of axle plug b section is greater than the diameter of axle plug c section.

Preferably, be provided with seal ring on described axle plug c section and axle plug b section.

Preferably, the equal diameters of the diameter of the groove of the e of described handle end and piston shaft upper end.

Preferably, the groove of the d of described piston shaft upper end and handle end links together by engage thread.

Preferably, be provided with a bolt on described handle.

Preferably, described handle is outside equipped with a dust-proof cover, and described dust-proof cover is fastened on flange upper cover sleeve.

Preferably, be provided with sealing gasket on the end face that described piston and valve body join.

In sum, the beneficial effects of the utility model are:

1, after the gas leakage trouble shooting, the inlet end of electromagnetic valve body and outlet side pressure reduction occurs when excessive, the effect of cooperatively interacting of spring bearer plate, axle plug, spring, piston axostylus axostyle and handle by piston assembly, the inlet end of electromagnetic valve body is communicated with the outlet side cavity of electromagnetic valve body, make inlet end and the outlet side of valve body reach pressure balance, thereby the staff just can realize the unlatching of valve with less power.

2, the seal ring that arranges on axle plug c section and axle plug b section can avoid the inlet end of valve body to communicate with the cavity of inside, piston shaft lower end, has avoided combustion gas to reveal to the external world from piston assembly.

Description of drawings

Fig. 1 is for opening soon the structural representation of formula solenoid valve;

Fig. 2 is the enlarged view of A section in Fig. 1;

Fig. 3 is the enlarged view of B section in Fig. 1.

Wherein, 1, valve body; 2, axle plug; 21, axle plug a section; 22, axle plug b section; 23, axle plug c section; 3, piston axostylus axostyle; 4, actuator; 5, dust-proof cover; 6, piston shaft upper end; 7, flange upper cover sleeve; 8, valve gap; 9, piston shaft lower end; 10, cone spring; 11, piston; 12, spring bearer plate; 13, spring; 14, seal ring; 15, pod apertures; 16, bolt; 17, handle; 18, groove.

Embodiment

Below in conjunction with accompanying drawing, the utility model is described in detail:

Fig. 1 is to shown in Figure 3, and this opens soon the formula solenoid valve and comprises valve body 1, actuator 4, valve gap 8 and piston assembly; Described valve body 1 and valve gap 8 are screwed and link together; The flange upper cover sleeve 7 of described piston assembly is arranged on valve gap 8, be movably installed with a piston shaft lower end 9 in flange upper cover sleeve 7, piston shaft lower end 9 is arranged on that interior end of valve body 1 cavity piston 11 is installed, be provided with cone spring 10 between piston 11 and valve gap 8, be installed with a piston shaft upper end 6 on piston shaft lower end 9, be provided with sealing gasket on the end face that described piston 11 and valve body 1 join.

Respectively be provided with a through hole on described piston shaft upper end 6 and piston shaft lower end 9, be provided with a pod apertures 15 on described piston shaft lower end 9, the through hole that arranges on pod apertures 15 and piston shaft lower end 9 is interconnected, be installed with bottom spring bearer plate 12 in 9 through holes of piston shaft lower end, spring bearer plate 12 tops are movably installed with an axle plug 2, be provided with spring 13 between axle plug 2 and spring bearer plate 12, be movably installed with the piston axostylus axostyle 3 that an end passes the through hole that piston shaft upper end 6 arranges in the groove of axle plug 2 upper ends.

Described piston shaft upper end 6 is passed on that end of flange upper cover sleeve 7 and is connected with the handle 17 that a upper and lower end respectively is provided with a groove 18; The equal diameters of the diameter of the groove 18 of the e of described handle 17 end and piston shaft upper end 6; Described piston shaft upper end 6 links together by engage thread with the groove 18 of the d end of handle 17; Be provided with a bolt 16 on described handle 17; Described handle 17 is outside equipped with a dust-proof cover 5, and described dust-proof cover 5 is fastened on flange upper cover sleeve 7.

Described axle plug 2 comprises axle plug a section 21, axle plug b section 22 and the axle plug c section 23 that connects as one, and the diameter of described axle plug c section 23 is greater than the diameter of axle plug a section 21, and the diameter of axle plug b section 22 is greater than the diameter of axle plug c section 23; It is mainly when guaranteeing pod apertures 15 with 9 conducting of piston shaft lower end that axle plug 2 arranges like this, has certain space to hold the combustion gas that enters, and reduces the pressure reduction of the outlet side of the inlet end of electromagnetic valve body and electromagnetic valve body; Be provided with seal ring 14 on described axle plug c section 23 and axle plug b section 22.

After the gas leakage trouble shooting, when solenoid valve is opened, at first the groove 18 of the d of handle 17 end 6 is screwed off from the piston shaft upper end, again the groove 18 of the e of handle 17 end is spun on piston shaft upper end 6, and handle 17 is rotated down, piston axostylus axostyle 3 is with moving axis plug 2 to move downward under the pressure-acting of the bolt 16 on handle 17, and axle plug 2 makes the spring 13 between axle plug 2 and spring bearer plate 12 be in compressive state simultaneously; When between the axle plug b section 22 of axle plug 2 and pod apertures 15 during gapped formation, the cavity of the inlet end of

valve body

1 and 9 inside, piston shaft lower end is interconnected, the combustion gas of the inlet end of valve body 1 just can enter the cavity of 9 inside, piston shaft lower end, make the pressure difference of the outlet side of the inlet end of valve body 1 and valve body 1 be reduced to gradually zero, thereby make the pressure of the outlet side of the inlet end of valve body 1 and valve body 1 reach balance; At this moment, upwards propose lightly the quick unlatching that piston assembly just can be realized the solenoid valve valve; After solenoid valve is opened, screw off handle 17, when compressed spring 13 restored to the original state, restoring force band moving axis plug 2 and the piston axostylus axostyle 3 of generation moved upward, and the axle plug b section 22 of axle plug 2 is got back to pod apertures 15 place height; Meanwhile the groove 18 of handle 17d end is spun on piston shaft upper end 6.

The inlet end of electromagnetic valve body wherein is: when piston 11 is closed with valve body 1, and the cavity between the fuel gas inlet of solenoid valve and piston 11; The outlet side of electromagnetic valve body is: when piston 11 is closed with valve body 1, and the cavity between the gas outlet of solenoid valve and piston 11.

The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also carry out some improvement to the utility model, these improvement also fall in the protection domain of the utility model claim.

Claims

1. one kind is opened the formula solenoid valve soon, comprises valve body (1), actuator (4), valve gap (8) and piston assembly; Described valve body (1) and valve gap (8) are screwed and link together; The flange upper cover sleeve (7) of described piston assembly is arranged on valve gap (8), be movably installed with a piston shaft lower end (9) in flange upper cover sleeve (7), piston shaft lower end (9) is arranged on that interior end of valve body (1) cavity piston (11) is installed, be provided with cone spring (10) between piston (11) and valve gap (8), be installed with a piston shaft upper end (6) on piston shaft lower end (9); It is characterized in that:

Described piston shaft upper end (6) is passed on that end of flange upper cover sleeve (7) and is connected with the handle (17) that a upper and lower end respectively is provided with a groove (18); Be provided with a pod apertures (15) on described piston shaft lower end (9), respectively be provided with a through hole on described piston shaft upper end (6) and piston shaft lower end (9), be installed with bottom spring bearer plate (12) in the through hole of piston shaft lower end (9), spring bearer plate (12) top is movably installed with an axle plug (2), be provided with spring (13) between axle plug (2) and spring bearer plate (12), be movably installed with the piston axostylus axostyle (3) that an end passes the through hole that piston shaft upper end (6) arranges in the groove of axle plug (2) upper end.

2. the formula solenoid valve that opens soon according to claim 1, it is characterized in that: described axle plug (2) comprises axle plug a section (21), axle plug b section (22) and the axle plug c section (23) that connects as one, the diameter of described axle plug c section (23) is greater than the diameter of axle plug a section (21), and the diameter of axle plug b section (22) is greater than the diameter of axle plug c section (23).

3. the formula solenoid valve that opens soon according to claim 2, is characterized in that: be provided with seal ring (14) on described axle plug c section (23) and axle plug b section (22).

4. the formula solenoid valve that opens soon according to claim 1, is characterized in that: the diameter of the groove (18) of the e end of described handle (17) and the equal diameters of piston shaft upper end (6).

5. according to claim 1 or 4 described formula solenoid valves that open soon is characterized in that: described piston shaft upper end (6) links together by engage thread with the groove (18) of the d end of handle (17).

6. the formula solenoid valve that opens soon according to claim 5, is characterized in that: be provided with a bolt (16) on described handle (17).

7. arbitrary described formula solenoid valve that opens soon according to claim 1-4,6, it is characterized in that: described handle (17) is outside equipped with a dust-proof cover (5), and described dust-proof cover (5) is fastened on flange upper cover sleeve (7).

8. the described formula solenoid valve that opens soon according to claim 7 is characterized in that: be provided with sealing gasket on the end face that described piston (11) and valve body (1) join.