CN207298005U - The meltable hydraulic relief valve of fast-response - Google Patents
The meltable hydraulic relief valve of fast-response Download PDFInfo
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- CN207298005U CN207298005U CN201721028240.8U CN201721028240U CN207298005U CN 207298005 U CN207298005 U CN 207298005U CN 201721028240 U CN201721028240 U CN 201721028240U CN 207298005 U CN207298005 U CN 207298005U
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Abstract
The utility model discloses the meltable hydraulic relief valve of fast-response, including：Mounting base, through hole is equipped with mounting base, inserted valve is equipped with through-holes, holding nut is threaded with the top of inserted valve, button is equipped with the elastic valve stem top of inserted valve, a stent is equipped with mounting base, holding screw is connected with the screw top of stent, holding screw is located at the top of button, a strut is equipped between holding screw and button, the lower end of strut is resisted against on button, lever is equipped between strut and holding screw, the upper end of strut leans with lever the inner lower surface, the ailhead of holding screw leans with lever the inner upper surface, it is equipped between lever outer end and strut lower end and is welded meltable retention tab by fusible alloy by two sheet metals, lever outer end and strut lower end respectively with two one-to-one connections of sheet metal, a ventilating cover cylinder is equipped with mounting base.Above-mentioned bleeder valve reliability is high, is swift in response.
Description
Technical field
It the utility model is related to electro-hydraulic actuator corollary equipment field, and in particular to can make electro-hydraulic execution when fire occurs
The meltable hydraulic relief valve of fast-response that device is automatically closed.
Background technology
Electro-hydraulic actuator is the dress that control information is received in automation equipment and applies control action to controll plant
Put, usual controll plant is valve.When fire occurs, it is necessary to which electro-hydraulic actuator closes pipeline valve to reduce loss in time,
An accumulator is usually provided with existing electro-hydraulic actuator, pressure oil is stored with accumulator, in accumulator and electro-hydraulic
A bleeder valve is provided with pipeline between actuator power output part, one is provided with bleeder valve organic solution is housed
Glass envelope, during normal work, glass envelope withstands spool so that bleeder valve is closed, and the pressure oil in such accumulator just can not be into
Enter into electro-hydraulic actuator, when a fire, high temperature can be such that the organic solution in glass envelope expands and spalling glass envelope, release
Valve can be opened because spool is upspring, and the pressure oil in such accumulator provides power with regard to that can release out, for electro-hydraulic actuator, be closed
Close electro-hydraulic actuator.But above-mentioned bleeder valve has a disadvantage that：First, since electro-hydraulic actuator is usually mounted to open air, so
Glass envelope easy bursting by freezing when environment temperature is less than -20 DEG C on bleeder valve, so that the functional reliability of bleeder valve is deteriorated；
2nd, organic solution expanded by heating needs the time, and organic solution spalling glass envelope can expend longer time again, and due to glass
There are individual difference for bubble so that the burst pressure that glass envelope can be born is there is also difference, so being released using what glass envelope opened and closed
Valve reaction is insensitive, can not open in time.
Utility model content
Technical problem to be solved in the utility model is：It will provide that a kind of reliability is high, the ground fast-response that is swift in response is easy
Molten hydraulic relief valve.
To solve the above-mentioned problems, technical solution is used by the utility model：The meltable hydraulic relief valve of fast-response, bag
Include：Mounting base, its main feature is that：A through hole is provided with mounting base, an inserted valve is equipped with through-holes, in inserted valve
Top be threaded with a holding nut, inserted valve can be held in mounting base by holding nut, in the bullet of inserted valve
Property valve stem top be provided with a button, when elastic valve rod is upspring, inserted valve open, when elastic valve rod is depressed, inserted valve close
Close, a stent is additionally provided with mounting base, be connected with a holding screw in the screw top of stent, holding screw is located at
The top of button, is provided with a strut between holding screw and button, and the lower end of strut is arranged on button by insertion
Lower positioning groove on surface is resisted against on button, is provided with a lever between strut and holding screw, strut it is upper
End is leant by being inserted into the middle positioning groove being arranged on the lower surface of lever the inner with lever the inner, the ailhead of holding screw
Leant by being inserted into the upper positioning groove that is arranged on the upper surface of lever the inner with lever the inner, strut and lever against
Mutually staggering against an in the vertical direction for point and holding screw and lever, also sets up between lever outer end and strut lower end
There is a meltable retention tab, meltable retention tab is welded by two sheet metals by fusible alloy, under lever outer end and strut
End respectively with two one-to-one connections of sheet metal so that strut lower end can by meltable retention tab to lever outer end carry out it is spacing,
A ventilating cover cylinder that stent, strut, lever, meltable retention tab can be covered is additionally provided with mounting base；When rotation tightening
When screw makes holding screw presses lever inner, meltable retention tab can be by making strut, lever, meltable to lever outer end is spacing
The frame that retention tab is formed keeps balance without falling apart so that and holding screw can make strut press button by presses lever,
Until elastic valve rod is depressed by strut and closes inserted valve；When temperature is increased to the fusing point of fusible alloy, fusible alloy meeting
Fusing, two panels sheet metal can separate, and the frame that strut, lever, meltable retention tab are formed at this time be able to not can keep balancing and falling apart,
So that elastic valve rod loses strut pressing and upsprings, so that inserted valve is opened.
Further, the meltable hydraulic relief valve of foregoing fast-response, wherein：Lever outer end and the connection structure of sheet metal
For：An open-work is provided with sheet metal, lever outer end passes through open-work, and lever outer end is bent to be carried out down to sheet metal
It is spacing, first positioning convex platform that upper limit can be carried out to sheet metal, bending are additionally provided with the lever above sheet metal
Lever outer end and the first positioning convex platform sheet metal can be limited between the two.
Further, the meltable hydraulic relief valve of foregoing fast-response, wherein：Strut lower end and the bindiny mechanism of sheet metal
For：An open-work is provided with sheet metal, strut lower end passes through open-work, is provided with the strut above or below sheet metal
One can carry out sheet metal the second spacing positioning convex platform.
Further, the meltable hydraulic relief valve of foregoing fast-response, wherein：Further include：With oil inlet, oil outlet, valve
The valve seat of door installing port, inserted valve are installed in valve installing port by screw thread so that inserted valve can be turned on and off oil inlet
Oil circuit between oil outlet.
Further, the meltable hydraulic relief valve of foregoing fast-response, wherein：Several are provided with the side wall of ventilating cover cylinder
For the air hole for flowing into high-temperature gas.
Further, the meltable hydraulic relief valve of foregoing fast-response, wherein：Lever is bent downward from middle part so that lever
Outer end is located at the inner lower section of lever, so that lever outer end and strut lower end are mutually close.
The advantages of the utility model is：The meltable hydraulic relief valve of fast-response described in the utility model is using reliable machinery
Structure carrys out opening/shutting valve so that the normal work of the meltable hydraulic relief valve of fast-response will not be influenced be subject to low temperature, so that significantly
Improve the reliability of bleeder valve；Secondly, the bleeder valve using thin and the meltable retention tab of large area experiences environment temperature
Degree, heat transfer is good, and thermal capacity is low, more sensitive so that the reaction opening speed of bleeder valve greatly improves；Furthermore fusible alloy
Fusing point is stablized accurate so that the operating temperature point of bleeder valve is reliable and stable；Finally, the gold that strut, lever, meltable retention tab are formed
Category frame structure is solid and reliable, without the risk for shattering and shifting failure, further improves the reliability of bleeder valve.
Brief description of the drawings
Fig. 1 is the structure diagram of the meltable hydraulic relief valve of fast-response described in the utility model.
Fig. 2 is the configuration schematic diagram of the meltable hydraulic relief valve of fast-response shown in Fig. 1.
Embodiment
The utility model is described in further detail with reference to specific embodiments and the drawings.
As shown in Figure 1 and Figure 2, the meltable hydraulic relief valve of fast-response, including：Mounting base 1, is provided with one in mounting base 1
The through hole 11 arranged vertically, is equipped with an inserted valve 2 in through hole 11, and inserted valve 2 is a kind of existing hydraulic valve, is being inserted
The top of valve 2 is threaded with a holding nut 21, and inserted valve 2 can be held in mounting base 1 by holding nut 21, is inserting
The elastic valve stem top of dress valve 2 is provided with a button 22, and when elastic valve rod is upspring, inserted valve 2 is opened, and elastic valve rod is depressed
When, inserted valve 2 is closed, and a stent 3 is additionally provided with mounting base 1, and a vertical cloth is connected with the screw top of stent 3
The holding screw 4 put, holding screw 4 are located at the top of button 22, and a strut is provided between holding screw 4 and button 22
5, the lower end of strut 5 is arranged at the lower positioning groove 221 on 22 upper surface of button to be resisted against on button 22 by insertion, is propping up
A lever 6 is provided between bar 5 and holding screw 4, in the present embodiment, lever 6 is bent downward from middle part so that lever 6
Outer end is located at the inner lower section of lever 6, so that 6 outer end of lever and 5 lower end of strut are mutually close；The upper end of strut 5 is set by insertion
The middle positioning groove 61 being placed on the inner lower surface of lever 6 leans with 6 the inner of lever, and the ailhead of holding screw 4 passes through inserts
Enter to be arranged at the upper positioning groove 62 on the inner upper surface of lever 6 to lean with 6 the inner of lever, strut 5 and lever 6 against
Point and holding screw 4 mutually stagger with lever 6 against an in the vertical direction, between 5 lower end of 6 outer end of lever and strut also
A meltable retention tab 7 is provided with, meltable retention tab 7 is welded by two sheet metals 71 by fusible alloy, 6 outer end of lever
With 5 lower end of strut respectively with two 71 one-to-one connections of sheet metal so that 5 lower end of strut can be by meltable retention tab 7 to lever 6
Outer end carry out it is spacing, be additionally provided with mounting base 1 one stent 3, strut 5, lever 6, meltable retention tab 7 can be covered it is saturating
Gas hood cylinder 8, in the present embodiment, ventilating cover cylinder 8 are threadedly coupled with mounting base 1, and if being provided with the side wall of ventilating cover cylinder 8
The dry air hole 81 for being used to flow into high-temperature gas；When rotation holding screw 4 makes 4 presses lever of holding screw 6 inner, easily
Molten retention tab 7 can by 6 outer end of lever it is spacing come make the frame that strut 5, lever 6, meltable retention tab 7 are formed keep balance and
Do not fall apart so that holding screw 4 can make strut 5 press button 22 by presses lever 6, until elastic valve rod is pressed by strut 5
Close inserted valve 2 down；When temperature is increased to the fusing point of fusible alloy, fusible alloy can melt, 71 meeting of two panels sheet metal
Separate, the frame that strut 5, lever 6, meltable retention tab 7 are formed at this time be able to not can keep balancing and falling apart so that elastic valve rod loses
Strut 5 is gone to press and upspring, so that inserted valve 2 is opened.Fusible alloy is a kind of metal very sensitive to temperature, as long as temperature
Reach the fusing point of fusible alloy, fusible alloy will melt at once, so the meltable hydraulic relief valve of the fast-response is occurring
Can quickly it be opened during fire so that the pressure oil in accumulator can release rapidly, and power is provided for electro-hydraulic actuator, so that electric
Hydraulic actuator is closed.
In the present embodiment, 6 outer end of lever and the connection structure of sheet metal 71 are：One is provided with sheet metal 71 thoroughly
Hole 711,6 outer end of lever passes through open-work 711, and 6 outer end of lever is folded upward at carrying out lower limit to sheet metal 71, in metal
First positioning convex platform 63 that upper limit can be carried out to sheet metal 71 is additionally provided with the lever 6 of the top of piece 71, is folded upward at
6 outer end of lever and the first positioning convex platform 63 sheet metal 71 can be limited between the two.
5 lower end of strut and the bindiny mechanism of another sheet metal 71 are：One is also equipped with another sheet metal 71
Open-work 711,5 lower end of strut pass through open-work 711, be provided with the strut 5 below sheet metal 71 one can to sheet metal 71 into
The second spacing positioning convex platform 51 of row.
In the present embodiment, set lower positioning groove 221, middle positioning groove 61, upper positioning groove 62,6 outer end of lever to
Upper bending, the first positioning convex platform 63, the second positioning convex platform 51 are provided to the frame for forming strut 5, lever 6, meltable retention tab 7
Frame can more be stablized after keeping balancing, and prevent because vibrations make frame fall apart.
In the present embodiment, the meltable hydraulic relief valve of fast-response, further includes：With oil inlet 91, oil outlet 93, valve peace
The valve seat 9 of mouth 92 is filled, inserted valve 2 is installed in valve installing port 92 by screw thread so that inserted valve 2 can be turned on and off oil inlet
Oil circuit between mouth 91 and oil outlet 93.
Claims (6)
1. the meltable hydraulic relief valve of fast-response, including：Mounting base, it is characterised in that：A through hole is provided with mounting base,
An inserted valve is equipped with through hole, a holding nut is threaded with the top of inserted valve, inserted valve can pass through support
Nut is held in mounting base, and the elastic valve stem top of inserted valve is provided with a button, when elastic valve rod is upspring, inserted valve
Open, when elastic valve rod is depressed, inserted valve is closed, and a stent is additionally provided with mounting base, in the screw top of stent
A holding screw is connected with, holding screw is located at the top of button, and a strut is provided between holding screw and button,
The lower end of strut is arranged at the lower positioning groove on button upper surface to be resisted against on button, in strut and clamp screw by insertion
Be provided with a lever between nail, the upper end of strut by insertion be arranged at middle positioning groove on the lower surface of lever the inner come with
Lever the inner leans, the ailhead of holding screw by insertion be arranged at upper positioning groove on the upper surface of lever the inner come with thick stick
Bar the inner leans, mutually the staggering against an in the vertical direction against point and holding screw and lever of strut and lever,
A meltable retention tab is additionally provided between lever outer end and strut lower end, meltable retention tab is passed through meltable by two sheet metals
Alloy is welded, lever outer end and strut lower end respectively with two one-to-one connections of sheet metal so that strut lower end can pass through
Meltable retention tab is spacing to the progress of lever outer end, and one is additionally provided with mounting base can be by stent, strut, lever, meltable guarantor
Hold the ventilating cover cylinder that piece covers；When rotation holding screw makes holding screw presses lever inner, meltable retention tab can be by right
The spacing frame form strut, lever, meltable retention tab in lever outer end keeps balancing without falling apart so that holding screw energy
Strut is set to press button by presses lever, until elastic valve rod is depressed by strut and closes inserted valve；When temperature raises
To fusible alloy fusing point when, fusible alloy can melt, and two panels sheet metal can separate, at this time strut, lever, meltable retention tab structure
Into frame can not keep balance and fall apart so that elastic valve rod lose strut pressing and upspring so that inserted valve open.
2. the meltable hydraulic relief valve of fast-response according to claim 1, it is characterised in that：Lever outer end and the company of sheet metal
Binding structure is：An open-work is provided with sheet metal, lever outer end passes through open-work, and the bending of lever outer end comes to sheet metal
Lower limit is carried out, first convex that upper limit can be carried out to sheet metal is additionally provided with the lever above sheet metal
Sheet metal can be limited between the two by platform, the lever outer end of bending and the first positioning convex platform.
3. the meltable hydraulic relief valve of fast-response according to claim 1 or 2, it is characterised in that：Strut lower end and sheet metal
Bindiny mechanism be：An open-work is provided with sheet metal, strut lower end passes through open-work, the branch above or below sheet metal
One is provided with bar can carry out sheet metal the second spacing positioning convex platform.
4. the meltable hydraulic relief valve of fast-response according to claim 1 or 2, it is characterised in that：Further include：With oil inlet
Mouth, oil outlet, the valve seat of valve installing port, inserted valve are installed in valve installing port by screw thread so that inserted valve can be opened
Or the oil circuit between closing oil inlet and oil outlet.
5. the meltable hydraulic relief valve of fast-response according to claim 1 or 2, it is characterised in that：On the side wall of ventilating cover cylinder
It is provided with several air holes for being used to flow into high-temperature gas.
6. the meltable hydraulic relief valve of fast-response according to claim 1 or 2, it is characterised in that：Lever is turned under from middle part
Folding so that lever outer end is located at the inner lower section of lever, so that lever outer end and strut lower end are mutually close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721028240.8U CN207298005U (en) | 2017-08-17 | 2017-08-17 | The meltable hydraulic relief valve of fast-response |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721028240.8U CN207298005U (en) | 2017-08-17 | 2017-08-17 | The meltable hydraulic relief valve of fast-response |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207298005U true CN207298005U (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721028240.8U Active CN207298005U (en) | 2017-08-17 | 2017-08-17 | The meltable hydraulic relief valve of fast-response |
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| CN (1) | CN207298005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366767A (en) * | 2017-08-17 | 2017-11-21 | 张家港市艾罗执行器有限公司 | The meltable hydraulic relief valve of fast-response |
-
2017
- 2017-08-17 CN CN201721028240.8U patent/CN207298005U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366767A (en) * | 2017-08-17 | 2017-11-21 | 张家港市艾罗执行器有限公司 | The meltable hydraulic relief valve of fast-response |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Daijun Inventor after: Liu Guiming Inventor after: Zhang Jian Inventor before: Liu Guiming Inventor before: Zhang Jian |
|
| CB03 | Change of inventor or designer information |