CN109296795A - A kind of diaphragm and the integrated high temperature resistant electric blasting valve of valve body - Google Patents
A kind of diaphragm and the integrated high temperature resistant electric blasting valve of valve body Download PDFInfo
- Publication number
- CN109296795A CN109296795A CN201811285798.3A CN201811285798A CN109296795A CN 109296795 A CN109296795 A CN 109296795A CN 201811285798 A CN201811285798 A CN 201811285798A CN 109296795 A CN109296795 A CN 109296795A
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- valve body
- diaphragm
- piston
- hole
- radial
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/40—Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint
- F16K17/403—Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint with a fracturing valve member
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The invention discloses a kind of diaphragms and the integrated high temperature resistant electric blasting valve of valve body, belong to electric blasting valve technical field, comprising: igniting element, diaphragm, piston and electric detonation valve body；Piston is mounted in the cavity of electric detonation valve body, and the radially installed blind hole of piston is located in the radial through-hole of electric detonation valve body, and radial through-hole is isolated；The head of piston is located at end where the open end of electric detonation valve body；Diaphragm is fixed in the radial through-hole of electric detonation valve body, and lower part is sleeved in the radially installed blind hole of piston, and the bar portion of the shear surface of the annular groove of diaphragm and piston is located at same level height；Igniting element is mounted on the open end of electric detonation valve body, and forms sealing cavity between the outlet end of igniting element and the head of piston.The present invention enables electric blasting valve to use work under high temperature environment by the sealing structure for designing each modular construction, optimizing diaphragm and valve body.
Description
Technical field
The invention belongs to electric blasting valve technical fields, and in particular to a kind of diaphragm and the integrated high temperature resistant electric blasting valve of valve body.
Background technique
Electric blasting valve is the key device of oil piping system on bullet engine, the fuel oil before working in sealing oil circuit system, work
Electric blasting valve is opened after work, and fuel oil enters engine chamber by electric detonation valve passage and participates in combustion reaction.With traditional solenoid valve
Door is compared, and electric blasting valve has the advantages that sealed reliable, reliable operation.
As the latus rectum size and operating temperature of bullet engine calls are higher and higher, in the development of existing and alternate-engine
Can latus rectum size to electric blasting valve and operating temperature propose higher requirement, therefore the big orifice of electric blasting valve, high temperature resistant are one
Key technology.
The latus rectum of existing electric blasting valve is mostly in 20mm hereinafter, and the sealing between two important component diaphragms of electric blasting valve and valve body
It is sealed using rubber ring, when operating temperature is excessively high, rubber ring can lead to seal failure because of high temperature deformation, to cause
The exception of engine oil path system, engine ignition starting failure.
Summary of the invention
In view of this, the present invention provides a kind of diaphragm and the integrated high temperature resistant electric blasting valve of valve body, by designing each portion
Part structure, the sealing structure for optimizing diaphragm and valve body, enable electric blasting valve to use work under high temperature environment.
The present invention is achieved through the following technical solutions:
A kind of diaphragm and the integrated high temperature resistant electric blasting valve of valve body, comprising: igniting element, diaphragm, piston and electric detonation valve body；
The diaphragm is cylinder-like structure open at one end, closed at one end, and outer circumference surface is machined with along its circumferential ring
Shape slot, annular groove, the cross section of annular groove are V-arrangement, and face where the tip of V-arrangement is the shear surface of diaphragm, are enabled above shear surface
Part be top, following part is lower part；
The electric detonation valve body is cylinder-like structure open at one end, closed at one end, and outer circumference surface is machined with radial through-hole；
The piston is made of head and bar portion, and radial hole is machined in bar portion and radially installed for installing diaphragm is blind
Hole, and radial hole is between radially installed blind hole and head；
Integrated connection relationship is as follows: piston is mounted in the cavity of electric detonation valve body, and the radially installed blind hole of piston is located at
In the radial through-hole of electric detonation valve body, the radial through-hole is isolated；The head of piston is located at end where the open end of electric detonation valve body；
Diaphragm is fixed in the radial through-hole of electric detonation valve body, and its underpart is sleeved in the radially installed blind hole of piston, and
The shear surface of the annular groove of diaphragm and the bar portion of piston are located at same level height；Diaphragm is used to make the radial through-hole of electric detonation valve body
Form open circuit；The piston is used for the top of the lower part with dynamic diaphragm and diaphragm in the shear surface fracture separation, and by making
The radial hole of piston is opposite with the radial through-hole of electric detonation valve body, and the radial through-hole of quick-fried valve body is made to form access；
Igniting element is mounted on the open end of electric detonation valve body, and is formed between the outlet end of igniting element and the head of piston
Sealing cavity.
Further, the attachment of the diaphragm and electric detonation valve body is laser welding.
It further, further include box nut, igniting element is mounted on the open end of electric detonation valve body by box nut.
Further, the internal diameter of the diaphragm is 40mm.
The utility model has the advantages that (1) present invention is connected to diaphragm and valve body, the integrated design of the two, i.e. diaphragm and valve body are realized
Between no longer use seal with elastometic washer, but by the way of laser weldings, diaphragm and valve body are welded as a whole, ensure that electricity
Quick-fried valve reliably can be sealed and be worked under high temperature environment, and greatly simplify linkage editor, improve assembly efficiency.
(2) diaphragm internal diameter of the invention is 40mm, i.e., so that the latus rectum of fuel oil is 40mm, big orifice size, which is met, starts
The demand of machine big flow fuel oil.
Detailed description of the invention
Fig. 1 is structure composition figure of the invention.
Wherein, 1- igniting element, 2- box nut, 3- piston, 4- electric detonation valve body, 5- diaphragm.
Specific embodiment
The present invention will now be described in detail with reference to the accompanying drawings and examples.
A kind of diaphragm and the integrated high temperature resistant electric blasting valve of valve body are present embodiments provided, referring to attached drawing 1, comprising: igniting
Element 1, box nut 2, diaphragm 5, piston 3 and electric detonation valve body 4；
The diaphragm 5 be cylinder-like structure open at one end, closed at one end, in the middle part of outer circumference surface be machined with along its week
To annular groove, the cross section of annular groove is V-arrangement, and face where the tip of V-arrangement is the shear surface of diaphragm 5, is enabled above shear surface
Part be top, following part is lower part；The internal diameter of diaphragm 5 is 40mm；
The electric detonation valve body 4 is cylinder-like structure open at one end, closed at one end, and outer circumference surface is machined with radial logical
Hole；
The piston 3 is the T-shaped structure being made of head and bar portion, and the horizontal component of T-shaped structure is head, vertically
Part is bar portion, is machined with radial hole in bar portion and the radially installed blind hole for installing diaphragm 5, radial hole and radially installed are blind
The axis in hole is axially vertical with bar portion, and radial hole is between radially installed blind hole and head；
Integrated connection relationship is as follows: piston 3 is mounted in the cavity of electric detonation valve body 4, and the radially installed blind hole position of piston 3
In in the radial through-hole of electric detonation valve body 4, the radial through-hole is isolated；The head of piston 3 is located at the open end institute of electric detonation valve body 4
It is holding；
Diaphragm 5 is fixed in the radial through-hole of electric detonation valve body 4 by laser welding, and its underpart is sleeved on the diameter of piston 3
Into installing blind, and the bar portion of the shear surface of the annular groove of diaphragm 5 and piston 3 is located at same level height；Diaphragm 5 is for making
The radial through-hole of electric detonation valve body 4 forms open circuit；The piston 3 is cut for the lower part with dynamic diaphragm 5 and the top of diaphragm 5 described
Section fracture separation, and by keeping radial hole opposite with the radial through-hole of electric detonation valve body 4, so that the radial through-hole is formed access；
Box nut 2 is mounted on the open end of electric detonation valve body 4, and igniting element 1 is mounted on box nut 2, and member of lighting a fire
Sealing cavity is formed between the outlet end of part 1 and the head of piston 3.
Working principle: the radial through-hole of electric detonation valve body 4 is connect with the combustion chamber of oil feed line and engine respectively；Work as electric detonation
When valve does not work, the radial through-hole of electric detonation valve body 4 is open circuit, and fuel oil cannot be passed into the combustion chamber of engine；
It when electric blasting valve work, is powered to igniting element 1, igniting element 1 works, between igniting element 1 and piston 3
High pressure gas is generated in sealing cavity, and then piston 3 is pushed to move to the direction of its bar portion；Film is driven in 3 motion process of piston
The lower part of piece 5 and the top of diaphragm 5 are in the shear surface fracture separation, until the diameter of radial hole and electric detonation valve body 4 on piston 3
When opposite to through-hole, piston 3 is moved in place；At this point, being formed between radial hole on the radial through-hole and piston 3 of electric detonation valve body 4
Access, fuel oil are passed into the combustion chamber of engine.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (4)
1. a kind of diaphragm and the integrated high temperature resistant electric blasting valve of valve body characterized by comprising igniting element (1), diaphragm (5),
Piston (3) and electric detonation valve body (4)；
The diaphragm (5) is cylinder-like structure open at one end, closed at one end, and outer circumference surface is machined with along its circumferential annular
Slot, annular groove, the cross section of annular groove are V-arrangement, and face where the tip of V-arrangement is the shear surface of diaphragm (5), are enabled above shear surface
Part be top, following part is lower part；
The electric detonation valve body (4) is cylinder-like structure open at one end, closed at one end, and outer circumference surface is machined with radial through-hole；
The piston (3) is made of head and bar portion, and radial hole and the radially installed for installing diaphragm (5) are machined in bar portion
Blind hole, and radial hole is between radially installed blind hole and head；
Integrated connection relationship is as follows: piston (3) is mounted in the cavity of electric detonation valve body (4), and the radially installed blind hole of piston (3)
In the radial through-hole of electric detonation valve body (4), the radial through-hole is isolated；The head of piston (3) is located at electric detonation valve body (4)
End where open end；
Diaphragm (5) is fixed in the radial through-hole of electric detonation valve body (4), and its underpart is sleeved on the radially installed blind hole of piston (3)
In, and the bar portion of the shear surface of the annular groove of diaphragm (5) and piston (3) is located at same level height；Diaphragm (5) is for making electric detonation
The radial through-hole of valve body (4) forms open circuit；The piston (3) is for the top of the lower part with dynamic diaphragm (5) and diaphragm (5) in institute
Shear surface fracture separation is stated, and by keeping the radial hole of piston (3) opposite with the radial through-hole of electric detonation valve body (4), makes quick-fried valve body
(4) radial through-hole forms access；
Igniting element (1) is mounted on the open end of electric detonation valve body (4), and the head of the outlet end of igniting element (1) and piston (3)
Between form sealing cavity.
2. a kind of diaphragm as described in claim 1 and the integrated high temperature resistant electric blasting valve of valve body, which is characterized in that the diaphragm
It (5) is laser welding with the attachment of electric detonation valve body (4).
3. a kind of diaphragm as described in claim 1 and the integrated high temperature resistant electric blasting valve of valve body, which is characterized in that further include outer
It covers nut (2), igniting element (1) is mounted on the open end of electric detonation valve body (4) by box nut (2).
4. a kind of diaphragm as described in claim 1 and the integrated high temperature resistant electric blasting valve of valve body, which is characterized in that the diaphragm
(5) internal diameter is 40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811285798.3A CN109296795A (en) | 2018-10-31 | 2018-10-31 | A kind of diaphragm and the integrated high temperature resistant electric blasting valve of valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811285798.3A CN109296795A (en) | 2018-10-31 | 2018-10-31 | A kind of diaphragm and the integrated high temperature resistant electric blasting valve of valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109296795A true CN109296795A (en) | 2019-02-01 |
Family
ID=65145159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811285798.3A Pending CN109296795A (en) | 2018-10-31 | 2018-10-31 | A kind of diaphragm and the integrated high temperature resistant electric blasting valve of valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109296795A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022722A (en) * | 2019-11-27 | 2020-04-17 | 西安航天动力研究所 | Gas-driven membrane overturning type normally-closed valve |
| CN111120686A (en) * | 2019-12-16 | 2020-05-08 | 北京动力机械研究所 | Electric explosion valve capable of realizing channel conversion |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5444228A (en) * | 1977-09-14 | 1979-04-07 | Tokyo Shibaura Electric Co | Explosion valve action identifying apparatus |
| CN201326796Y (en) * | 2008-12-25 | 2009-10-14 | 上海空间推进研究所 | Large flow electric explosion valve for inflammable medium |
| CN206377315U (en) * | 2016-12-30 | 2017-08-04 | 西安航天动力研究所 | A kind of special flow passage electric blasting valve of pair of electric detonator driving |
| CN108443529A (en) * | 2018-05-08 | 2018-08-24 | 上海皓固机械工业有限公司 | A kind of diaphragm valve |
| CN108679284A (en) * | 2018-06-29 | 2018-10-19 | 上海空间推进研究所 | A kind of modularization low pressure cuts through formula gas explosion valve |
-
2018
- 2018-10-31 CN CN201811285798.3A patent/CN109296795A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5444228A (en) * | 1977-09-14 | 1979-04-07 | Tokyo Shibaura Electric Co | Explosion valve action identifying apparatus |
| CN201326796Y (en) * | 2008-12-25 | 2009-10-14 | 上海空间推进研究所 | Large flow electric explosion valve for inflammable medium |
| CN206377315U (en) * | 2016-12-30 | 2017-08-04 | 西安航天动力研究所 | A kind of special flow passage electric blasting valve of pair of electric detonator driving |
| CN108443529A (en) * | 2018-05-08 | 2018-08-24 | 上海皓固机械工业有限公司 | A kind of diaphragm valve |
| CN108679284A (en) * | 2018-06-29 | 2018-10-19 | 上海空间推进研究所 | A kind of modularization low pressure cuts through formula gas explosion valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022722A (en) * | 2019-11-27 | 2020-04-17 | 西安航天动力研究所 | Gas-driven membrane overturning type normally-closed valve |
| CN111022722B (en) * | 2019-11-27 | 2021-06-08 | 西安航天动力研究所 | Gas-driven membrane overturning type normally-closed valve |
| CN111120686A (en) * | 2019-12-16 | 2020-05-08 | 北京动力机械研究所 | Electric explosion valve capable of realizing channel conversion |
| CN111120686B (en) * | 2019-12-16 | 2022-04-08 | 北京动力机械研究所 | Electric explosion valve capable of realizing channel conversion |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190201 |
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| WD01 | Invention patent application deemed withdrawn after publication |