CN201028045Y

CN201028045Y - Pouring type double flow electromagnetic valve especially for tax controlled fuel charger

Info

Publication number: CN201028045Y
Application number: CNU200720035771XU
Authority: CN
Inventors: 赵旭
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-27
Filing date: 2007-03-27
Publication date: 2008-02-27
Anticipated expiration: 2017-03-27

Abstract

The utility model relates to a double-flow control solenoid valve, in particular to a special encapsulated double-flow solenoid valve for a tax controlled fuel filler. The proposal of the utility model is that a special encapsulated double-flow solenoid valve for a tax controlled fuel filler is characterized in that: an orifice is arranged on a diaphragm; an entrance passage is communicated with a control cavity through the diaphragm; a pilot hole communicated with the entrance passage is arranged on the entrance passage of a valve body; the pilot hole is communicated with an air inlet through hole arranged on a valve cover; an air exhausting hole arranged on an exit passage of he valve body and is communicated with an air exhausting through hole arranged on the valve cover; the connecting place of the air intake through hole and the air exhausting through hole arranged on the valve cover is controlled by a left iron core and forms fits of the communication and cut-off off the air intake through hole and the air exhausting through hole together with the left iron core. With the above proposal, the utility model overcomes the drawbacks of the prior art, and provides the special encapsulated double-flow solenoid valve for the tax controlled fuel filler which is reasonable in structure, accurate in measure, simple in operation.

Description

The special-purpose pouring type double-flow-rate electromagnetic valve of tax control oilling machine

Technical field

The utility model relates to a kind of double fluid amount control electromagnetic valve, is meant the special-purpose pouring type double-flow-rate electromagnetic valve that is used to control on the oilling machine especially.

Background technique

Solenoid valve is a kind of hydraulic element very widely of using in system pipeline, and it can move according to the electrical equipment command signal that pressure controller and temperature controller etc. sends, with the logical or end of fluid in the control system pipeline.It has only a traffic channel existing solenoid valve, it according to electromagnetism command signal realize opening or closing of valve, but such solenoid valve is used in and still exists some problems on the oilling machine, and as in refueling process, we set 50 liters, then provide and arrive 50 liters when closing at signal, since valve closed a process, so be 51 liters when really closing, if artificial cut-off valve in advance, when being 49 liters after then closing, also differing from one liter and just be difficult to control.In addition this solenoid valve logical and disconnected be directly septum assembly to be controlled by electromagnetic assembly, because the volume ratio of barrier film is bigger, so to the requirement of electromagnetic assembly than higher, in case the problem of the variation of voltage generation occurs, then solenoid valve will be not closed completely or open problems such as insufficient, has had a strong impact on the use of product.

Summary of the invention

The utility model has overcome the deficiencies in the prior art, provides a kind of rational in infrastructure, and metering is accurate, the special-purpose pouring type double-flow-rate electromagnetic valve of a kind of novel tax control oilling machine simple to operate.

Realize above-mentioned purpose, the utility model adopts following technological scheme: the special-purpose pouring type double-flow-rate electromagnetic valve of a kind of tax control oilling machine, include valve body, be arranged on the valve gap of valve body upper end, and be arranged on electromagnetic assembly on the valve gap, described valve body includes inlet passage and outlet passage, a septum assembly has been set up in linking perforation place of described inlet passage and outlet passage, septum assembly cooperates with the break-make that outlet passage and inlet passage constitute between outlet passage and the inlet passage, the diaphragm periphery of described septum assembly is connected with valve seal by seal ring, constitute a control chamber between described valve gap and the septum assembly, offer throttle orifice on the described diaphragm, inlet passage and control chamber connect by this throttle orifice, the inlet passage place of described valve body is provided with the pilot hole with the inlet passage conducting, via hole of inlet steam on pilot hole and the valve gap connects, the outlet passage place of described valve body is provided with exhaust hole, the vapour through hole that goes out on this exhaust hole and the valve gap connects, via hole of inlet steam on the described valve gap with go out vapour through hole joining place and be subjected to the left iron core control of electromagnetic assembly to constitute via hole of inlet steam with it to cooperate with the conducting and the disconnection that go out between the vapour through hole, described valve gap is provided with the defeated vapour passage that connects with control chamber, the outlet passage place of described valve body is provided with a defeated steam vent with the outlet passage conducting, should defeated steam vent connect with transfer passage on the valve gap, the defeated vapour passage on the described valve gap and transfer passage are subjected to the right iron core control of electromagnetic assembly to constitute defeated vapour passage with it to cooperate with disconnection with conducting between the transfer passage.

Further setting of the present utility model is: described valve gap is provided with two groups of defeated vapour passages arranged side by side, these two groups defeated vapour passages become conducting with transfer passage on the valve gap respectively and disconnect and cooperating, be provided with the barrier film tinsel with the outlet passage corresponding part in the middle of the described septum assembly, be provided with diaphragm spring between described barrier film tinsel and the valve gap.

Of the present utility model further the setting again is: described valve gap is provided with a via hole, and this via hole is subjected to the left iron core control of electromagnetic assembly to become conducting and disconnect cooperation with the vapour through hole that goes out on the valve gap.

Of the present utility model further the setting again is: the periphery of the diaphragm of described septum assembly is mixed between valve body and the valve gap, constitutes with valve body and valve gap respectively to be sealed and matched.

Beneficial effect: offer throttle orifice by adopting on the described diaphragm, inlet passage and control chamber connect by this throttle orifice, the inlet passage place of described valve body is provided with the pilot hole with the inlet passage conducting, via hole of inlet steam on pilot hole and the valve gap connects, the outlet passage place of described valve body is provided with exhaust hole, the vapour through hole that goes out on this exhaust hole and the valve gap connects, via hole of inlet steam on the described valve gap with go out vapour through hole joining place and be subjected to the left iron core control of electromagnetic assembly to constitute via hole of inlet steam with it to cooperate with the conducting and the disconnection that go out between the vapour through hole, described valve gap is provided with the defeated vapour passage that connects with control chamber, the outlet passage place of described valve body is provided with a defeated steam vent with the outlet passage conducting, the transfer passage that should fail on steam vent and the valve gap connects, defeated vapour passage on the described valve gap and transfer passage are subjected to the right iron core control of electromagnetic assembly to constitute the conducting between defeated vapour passage and the transfer passage with it and disconnect and cooperate this scheme, can make this solenoid valve constitute two flow of gas circulation passage, can control the situation of the conducting and the disconnection of every passage so respectively according to actual conditions; In addition, take gas that the variation in pressure of septum assembly is controlled the conducting between inlet passage and the outlet passage and disconnected this mode.Its better effects if.Again because described valve gap is provided with two groups of defeated vapour passages arranged side by side, these two groups defeated vapour passages become conducting with transfer passage on the valve gap respectively and disconnect and cooperating, the middle corresponding barrier film tinsel that goes out to be provided with outlet passageway of described septum assembly is provided with diaphragm spring between described barrier film tinsel and the valve gap.When conducting and disconnection inlet passage and outlet passage, the time of usefulness is considerably less, to reach good flow control like this.At last, described valve gap is provided with a via hole, and this via hole is subjected to the left iron core control of electromagnetic assembly to become conducting and disconnect cooperation with the vapour through hole that goes out on the valve gap.The periphery of the diaphragm of described septum assembly is mixed between valve body and the valve gap, constitutes with valve body and valve gap respectively to be sealed and matched.So structurally more reasonable, via hole can make the speed of valve open faster, and diaphragm has been saved the effect that other use seal ring comes sealed valve body and valve gap.

Below in conjunction with accompanying drawing the utility model is further described.

Description of drawings

Fig. 1 is the utility model embodiment's a stereogram;

Fig. 2 is structural representation Fig. 1 of the utility model embodiment;

Fig. 3 is structural representation Fig. 2 of the utility model embodiment.

Embodiment

As Fig. 1, Fig. 2 and shown in Figure 3, the special-purpose pouring type double-flow-rate electromagnetic valve of a kind of tax control oilling machine, include valve body 1, be arranged on the valve gap 2 of valve body 1 upper end, and be arranged on electromagnetic assembly 3 on the valve gap 2, described valve body 1 includes inlet passage 11 and outlet passage 12, a septum assembly 4 has been set up in linking perforation place of described inlet passage 11 and outlet passage 12, septum assembly 4 cooperates with the break-make that outlet passage 12 and inlet passage 11 constitute between outlet passage 12 and the inlet passage 11, diaphragm 41 peripheries of described septum assembly 4 are tightly connected by seal ring and valve body 1, constitute a control chamber 5 between described valve gap 2 and the septum assembly 4, offer throttle orifice 411 on the described diaphragm 41, inlet passage 11 connects by this throttle orifice 411 with control chamber 5, inlet passage 11 places of described valve body 1 are provided with the pilot hole 111 with inlet passage 11 conductings, via hole of inlet steam 21 on pilot hole 111 and the valve gap 2 connects, outlet passage 12 places of described valve body 1 are provided with exhaust hole 121, the vapour through hole 22 that goes out on this exhaust hole 121 and the valve gap 2 connects, via hole of inlet steam 21 on the described valve gap 2 with go out vapour through hole 22 joining places and be subjected to left iron core 31 control of electromagnetic assembly 3 to constitute via hole of inlet steam 21 with it to cooperate with the conducting and the disconnection that go out between the vapour through hole 22, described valve gap 2 is provided with the defeated vapour passage 23 that connects with control chamber 5, outlet passage 12 places of described valve body 2 are provided with a defeated steam vent 122 with outlet passage 12 conductings, should defeated steam vent 122 connect with transfer passage 24 on the valve gap 2, the defeated vapour passage 23 on the described valve gap 2 and transfer passage 24 are subjected to right iron core 32 controls of electromagnetic assembly 3 to constitute defeated vapour passage 23 with it to cooperate with disconnection with conducting between the transfer passage 24.After using said structure, under the situation that left and

right coil

31,32 all cuts off the power supply in the electromagnetic assembly 3, fluid flows into control chamber 5 from throttle orifice 411 behind the inlet passage 11 of valve body 1, make the pressure in the control chamber 5 become big, thereby make septum assembly 4 cut off outlet passage 12, other passages and hole on this while solenoid valve disconnect in the lump, close so this moment, solenoid valve was whole; Left coil 31 outages in electromagnetic assembly 3, under the situation of right coil 32 energisings, this moment, control chamber 5 interior fluids flowed out from outlet passage 12 through defeated vapour passage 23, transfer passage 24 and defeated steam vent 122 backs successively, meanwhile owing to the pressure in the control chamber 5 reduce, septum assembly 4 is subjected to the pressure effect of inlet passage 11 inner fluids, upwards movable, make directly conducting between inlet passage 11 and the outlet passage 12, promptly open the main passage of solenoid valve; Right coil 32 outages in electromagnetic assembly, under the situation of left coil 31 energisings, this moment, fluid flowed into control chamber 5 from throttle orifice 411 behind the inlet passage 11 of valve body 1, make the pressure in the control chamber 5 become big, thereby make septum assembly 4 cut off outlet passage 12, another passage in the inlet passage 11 simultaneously: pilot hole 111, via hole of inlet steam 21, go out conducting between vapour through hole 22 and the exhaust hole 121, fluid enters from inlet passage 11, flow out from outlet passage 12 through this passage, the main passage that is solenoid valve is closed, and subchannel is opened; Under the situation that left and

right coil

31,32 is all switched in the electromagnetic assembly, this moment, the main passage and the subchannel of solenoid valve were all opened.In addition, we also need to prove, in the present embodiment, according to above-mentioned principle, the subchannel of solenoid valve can be provided with multiple tracks or a few road side by side a shared coil control its conducting and still disconnect.

In the utility model embodiment, described valve gap 2 is provided with two groups of defeated vapour passages 23 arranged side by side, these two groups defeated vapour passages 23 respectively with valve gap 2 on 24 one-tenths conductings of transfer passage and disconnect cooperation, be provided with barrier film tinsel 42 with outlet passage 12 corresponding parts in the middle of the described septum assembly 4, be provided with diaphragm spring 43 between described barrier film tinsel 42 and the valve gap 2.When conducting and disconnection inlet passage 11 and outlet passage 12, can finish this action in the considerably less time, like this to reach good flow control.

In the utility model embodiment, described valve gap 2 is provided with a via hole 25, go out 22 one-tenths conductings of vapour through hole and disconnection cooperation on left iron core 31 control that this via hole 25 is subjected to electromagnetic assembly 3 and the valve gap 2, and the diameter of described via hole 25 makes the flow of the flow of via hole 25 less than throttle orifice 411 less than the diameter of throttle orifice 411.The purpose of beginning via hole 25 is when opening the solenoid valve main passage, can reduce the time of execution.

In the utility model embodiment, the periphery of the diaphragm 41 of described septum assembly 4 is mixed between valve body 1 and the valve gap 2, be sealed and matched with valve body 1 and valve gap 2 formations respectively, saved like this and used seal ring to come sealed valve body 1 and valve gap 2 in this product in addition, structure is more reasonable.

Certainly, the utility model is except the above-mentioned embodiment who chats, and is any in any improvement or the accommodation made based on total invention thought of the present invention, all within the utility model protection domain.

Claims

1. the special-purpose pouring type double-flow-rate electromagnetic valve of a tax control oilling machine, include valve body, be arranged on the valve gap of valve body upper end, and be arranged on electromagnetic assembly on the valve gap, described valve body includes inlet passage and outlet passage, a septum assembly has been set up in linking perforation place of described inlet passage and outlet passage, septum assembly cooperates with the break-make that outlet passage and inlet passage constitute between outlet passage and the inlet passage, the diaphragm periphery of described septum assembly is connected with valve seal by seal ring, constitute a control chamber between described valve gap and the septum assembly, it is characterized in that: offer throttle orifice on the described diaphragm, inlet passage and control chamber connect by this throttle orifice, the inlet passage place of described valve body is provided with the pilot hole with the inlet passage conducting, via hole of inlet steam on pilot hole and the valve gap connects, the outlet passage place of described valve body is provided with exhaust hole, the vapour through hole that goes out on this exhaust hole and the valve gap connects, via hole of inlet steam on the described valve gap with go out vapour through hole joining place and be subjected to the left iron core control of electromagnetic assembly to constitute via hole of inlet steam with it to cooperate with the conducting and the disconnection that go out between the vapour through hole, described valve gap is provided with the defeated vapour passage that connects with control chamber, the outlet passage place of described valve body is provided with a defeated steam vent with the outlet passage conducting, should defeated steam vent connect with transfer passage on the valve gap, the defeated vapour passage on the described valve gap and transfer passage are subjected to the right iron core control of electromagnetic assembly to constitute defeated vapour passage with it to cooperate with disconnection with conducting between the transfer passage.

2. the special-purpose pouring type double-flow-rate electromagnetic valve of tax control oilling machine according to claim 1, it is characterized in that: described valve gap is provided with two groups of defeated vapour passages arranged side by side, these two groups defeated vapour passages become conducting with transfer passage on the valve gap respectively and disconnect and cooperating, be provided with the barrier film tinsel with the outlet passage corresponding part in the middle of the described septum assembly, be provided with diaphragm spring between described barrier film tinsel and the valve gap.

3. the special-purpose pouring type double-flow-rate electromagnetic valve of tax control oilling machine according to claim 1 and 2, it is characterized in that: described valve gap is provided with a via hole, this via hole is subjected to the left iron core control of electromagnetic assembly to become conducting and disconnect cooperation with the vapour through hole that goes out on the valve gap, and the diameter of described via hole is less than the diameter of throttle orifice.

4. the special-purpose pouring type double-flow-rate electromagnetic valve of tax control oilling machine according to claim 1 and 2, it is characterized in that: the periphery of the diaphragm of described septum assembly is mixed between valve body and the valve gap, constitutes with valve body and valve gap respectively to be sealed and matched.

5. the special-purpose pouring type double-flow-rate electromagnetic valve of tax control oilling machine according to claim 3, it is characterized in that: the periphery of the diaphragm of described septum assembly is mixed between valve body and the valve gap, constitutes with valve body and valve gap respectively to be sealed and matched.