CN108662219B - A kind of liquid conducting pipes quick flow-breaking device - Google Patents
A kind of liquid conducting pipes quick flow-breaking device Download PDFInfo
- Publication number
- CN108662219B CN108662219B CN201810554088.XA CN201810554088A CN108662219B CN 108662219 B CN108662219 B CN 108662219B CN 201810554088 A CN201810554088 A CN 201810554088A CN 108662219 B CN108662219 B CN 108662219B
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- rod
- valve rod
- mobile valve
- pipe
- perforation
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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
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Pipe Accessories (AREA)
Abstract
A kind of liquid conducting pipes quick flow-breaking device, it is related to a kind of pipeline cut-off device, the perforation (17) for being through in valve pipe (26) pore (4) mobile valve rod (19) is correspondingly connected with pipe A(2) and connecting tube B(9) pore or the closure pore, spring (10) both ends covered on mobile valve rod are withstood on respectively on the opposite face of valve pipe one end and expanding ring (20), control-rod (14) is through in blind hole (16), mutual corresponding sliding slot (28) are respectively equipped on the top and bottom of control-rod, the slide plate (15.1) on cylinder (15) opposite face being through in perforation (22) upper and lower opening by the depths of two sliding slots control two cylinder outer ends be stuck on the end face of the valve pipe other end or retraction perforation in, drawstring (6) are equipped in the outer end of control-rod；The present invention pulls drawstring mobile valve rod can be driven to close pipeline rapidly by the active force of spring when there is pipe joint loosening or pipeline burst.
Description
Technical field
The present invention relates to a kind of pipeline cut-off devices, are specifically related to a kind of liquid conducting pipes quick flow-breaking device.
Background technique
Known, in industrial equipment, pipeline is the main carriers for conveying liquid, and existing control method is on pipeline
Install valve additional and control flow and cutout, due to pipeline quality, pipeline aging or pressure it is excessive etc., often there is pipeline and connect
Mouth loosens or pipeline burst phenomenon, and since the fluid pressure for much conveying liquid is very big, maintenance personnel can not approach and close valve,
Cause a large amount of wastes of raw material.
Summary of the invention
In order to overcome the shortcomings in the background art, the present invention discloses a kind of liquid conducting pipes quick flow-breaking device, is going out
When existing pipe joint loosening or pipeline burst, drawstring is pulled mobile valve rod can be driven to close pipe rapidly by the active force of spring
The waste of raw material has effectively been taken precautions against in road.
For achieving the above object, the present invention adopts the following technical scheme:
A kind of liquid conducting pipes quick flow-breaking device, including cross pipe, mobile valve rod, rubber seal A, rubber are close
Seal B, spring, control-rod and cylinder are equipped with expanding ring, two sides point of the mobile valve rod close to middle part in mobile valve rod one end
Not She You annular groove A and annular groove B, the close annular groove between annular groove A and annular groove B on mobile valve rod
It is equipped with liquid at A and passes through perforation A；The outer end connecting tube A is connect with inlet tube, and the outer end connecting tube B connects outlet tube, linear type structure
Connecting tube B and connecting tube A between connect to form cross pipe with the middle part of valve pipe；Mobile valve rod is through in valve pipe horizontal orifice
Perforation A be correspondingly connected with the horizontal orifice of pipe A and connecting tube B or block the horizontal orifice, in mobile valve rod annular groove A and
Rubber seal A and rubber seal B on annular groove B form the closure to horizontal orifice both ends, cover on mobile valve rod
Both ends of the spring withstood on the opposite face of valve pipe one end and expanding ring respectively, the other end face of the mobile valve rod is equipped with blind
Hole, mobile valve rod are equipped with the perforation B of perforation blind hole and mobile valve rod outer edge surface or more, control close to the middle part of blind hole described in the other end
Bar processed is through in the blind hole, and mutual corresponding sliding slot is respectively equipped on the top and bottom of control-rod, is through in perforation B upper and lower opening
Cylinder opposite face on slide plate two cylinder outer ends controlled by the depths of two sliding slots be stuck on the end face of the valve pipe other end
Or in retraction perforation B, drawstring is equipped in the outer end of control-rod.
The liquid conducting pipes quick flow-breaking device, respectively arranged sliding slot is close to institute on control-rod top and bottom
Control-rod one end is stated equipped with deep trouth, the control-rod middle part of sliding slot is equipped with shallow slot, protrusion is equipped between the deep trouth and shallow slot of sliding slot,
The protrusion is the excessive A in inclined-plane with deep trouth, and the excessive B in inclined-plane is equipped between protrusion and shallow slot；Slide plate on two cylinder opposite faces is sliding
Enter deep trouth to obtain in the perforation B for hiding mobile valve rod of two cylinder outer ends, after the slide plate on two cylinder opposite faces slides into shallow slot
Obtain the end face for being stuck in the valve pipe other end of two cylinder outer ends.
The liquid conducting pipes quick flow-breaking device is equipped with plate in the outer end of control-rod, sets in the middle part of the plate
There is through-hole, one end of drawstring is bundled on through-hole.
The liquid conducting pipes quick flow-breaking device is equipped with becket bridle in the other end of drawstring.
The liquid conducting pipes quick flow-breaking device, two perforation B of mobile valve rod are equipped with flat to other end branch
Groove is equipped with screw hole in the middle part of the mobile valve rod other end in the flat bottomed recess, and it is solid that two-screw is each passed through two spring leafs
Two screw holes are separately connected after the fixation hole of close one end setting of stator and form fixation to two spring leaf one end, in fixinig plate
The other end is connect with one end of oblique excessively piece, and described tiltedly excessively the other end of piece is equipped with tilting piece, tilts the sets of holes of on piece setting
It covers in two cylinders close to external.
The outer end of the liquid conducting pipes quick flow-breaking device, the cylinder is equipped with buttress shaft, between buttress shaft and slide plate
Equipped with thick column, the sets of holes that spring leaf tilts on piece cover on buttress shaft, tilt piece by spring leaf and are formed to the thick column outer end face of cylinder
Compressing.
The liquid conducting pipes quick flow-breaking device is equipped with inclined-plane in the slide plate side of cylinder.
The liquid conducting pipes quick flow-breaking device is equipped in the junction of connecting tube B, connecting tube A and valve pipe and adds
Solid block, one end outer rim of the valve pipe is equipped with convex hole, and the both ends of the spring covered on mobile valve rod withstands on valve pipe one respectively
On the opposite face for holding convex hole and expanding ring.
The liquid conducting pipes quick flow-breaking device, the mobile valve rod perforation A before and after two connecting plates above and below
It is respectively equipped with arc-shaped recess, the height of two connecting plates is the six of the diameter of mobile valve rod between the arc-shaped recess above and below two connecting plates
Within/mono-.
The outer end of the liquid conducting pipes quick flow-breaking device, the connecting tube B is equipped with external screw thread B, the connection
The outer end of pipe A is equipped with external screw thread A.
Due to the adoption of the technical scheme as described above, the invention has the following beneficial effects:
Liquid conducting pipes quick flow-breaking device of the present invention passes through the discharge port pipe in liquid material conveyance conduit
Install the application on road additional, when there is interface loosening or pipeline burst problem in pipeline, after pulling drawstring, what control-rod traveled out
Meanwhile the slide plate of the cylinder by spring leaf protection enters deep trouth by the shallow slot of sliding slot, spring energy release at this time heads on movement
The expanding ring of valve rod one end, while the perforation A of mobile valve rod is taken away into corresponding horizontal tube between feed liquor connecting tube and connecting tube
Hole blocks the horizontal orifice by mobile valve rod and obtains the purpose that control liquid no longer flows out；The present invention can be by the becket bridle of drawstring
Be placed on conveniently can and place convenient for the Emergency use to go wrong or when dangerous situation effectively taken precautions against the waste of raw material；The present invention
The drawstring of setting adapts to far distance control；The present invention is suitable for chemical industry, food-processing industry, coal washing industry or building row
Industry.
Detailed description of the invention
Fig. 1 is assembling structure schematic diagram of the invention；
Fig. 2 is the rigging position schematic diagram of mobile valve rod and cylinder and spring leaf of the invention；
Fig. 3 is the sliding groove structure schematic diagram on control-rod of the invention；
Fig. 4 is control-rod schematic perspective view of the invention；
Fig. 5 is spring leaf schematic perspective view of the invention；
Fig. 6 is cylinder solid structural schematic diagram of the invention；
Fig. 7 is mobile valve rod schematic perspective view of the invention；
Fig. 8 is structural schematic diagram of the invention；
In figure: 1, external screw thread A；2, connecting tube A；3, it bundlees；4, pore；5, block；6, drawstring；7, becket bridle；8, external screw thread
B；9, connecting tube B；10, spring；11, rubber seal A；12, rubber seal B；13, through-hole；14, control-rod；15, cylinder；
15.1, slide plate；15.2, thick column；15.3, buttress shaft；15.4, inclined-plane；16, blind hole；17, perforate A；18, annular groove A；19, mobile
Valve rod；20, expanding ring；21, annular groove B；22, perforate B；23, flat bottomed recess；24, spring leaf；24.1, sets of holes；24.2, stick up
Playing piece；24.3, oblique excessive piece；24.4, fixinig plate；24.5, fixation hole；25, convex hole；26, valve pipe；27, plate；28, sliding slot；
28.1, deep trouth；28.2, the excessive A in inclined-plane；28.3, protrusion；28.4, the excessive B in inclined-plane；28.5, shallow slot；29, screw hole；30, screw；
31, arc-shaped recess；32, connecting plate.
Specific embodiment
The present invention can be explained in more detail by the following examples, the open purpose of the present invention is intended to protect the present invention
All changes and improvements in range, the invention is not limited to the following examples；
The liquid conducting pipes quick flow-breaking device in conjunction with described in attached drawing 1~8, including cross pipe, mobile valve rod 19, rubber
Glue sealing ring A11, rubber seal B12, spring 10, control-rod 14 and cylinder 15 are equipped with expanding ring in mobile 19 one end of valve rod
20, the mobile valve rod 19 is respectively equipped with annular groove A18 and annular groove B21 close to the two sides at middle part, in annular groove A18
It is equipped with liquid at close annular groove A18 between annular groove B21 on mobile valve rod 19 and passes through perforation A17, in order to avoid
Mobile valve rod 19 influences passing through for liquid, two about 32 connecting plates point before and after the perforation A17 of the mobile valve rod 19 when rotating
Not She You arc-shaped recess, the height of two connecting plates 32 is the straight of mobile valve rod 19 between the arc-shaped recess 31 of two about 32 connecting plates
Within 1/6th of diameter, since two connecting plates 32 occupy lesser width, even mobile valve rod 19 rotates, liquid
Throughput not will receive big influence；The outer end of connecting tube A2 is equipped with the external screw thread A1 for connecting inlet tube, connecting tube B9's
Outer end is equipped with for connecting outlet tube external screw thread B8, between the connecting tube B9 and connecting tube A2 of linear type structure and in valve pipe 26
Portion connects to form cross pipe, and one end outer rim of the valve pipe 26 is equipped with convex hole 25, in connecting tube B9, connecting tube A2 and valve pipe
26 junction is equipped with the block 5 reinforced；The perforation A17 for being through mobile valve rod 19 in 26 horizontal orifice 4 of valve pipe is correspondingly connected with pipe
The horizontal orifice 4 of A2 and connecting tube B9 blocks the horizontal orifice 4, in mobile 19 annular groove A18 of valve rod and annular groove
Rubber seal A11 and rubber seal B12 on B21 form the closure to 4 both ends of horizontal orifice, cover on mobile valve rod 19
10 both ends of spring withstood on the opposite face of 26 one end convex hole 25 of valve pipe and expanding ring 20 respectively, the mobile valve rod 19 it is another
One end end face is equipped with blind hole 16, and mobile valve rod 19 is equipped with perforation blind hole 16 and mobile valve close to the middle part of blind hole 16 described in the other end
Perforation B22 above and below 19 outer edge surface of bar, control-rod 14 are through in the blind hole 16, are respectively equipped on the top and bottom of control-rod 14
Mutual corresponding sliding slot 28, the slide plate 15.1 on 15 opposite face of cylinder being through in perforation B22 upper and lower opening pass through two sliding slots 28
The depth control two cylinders, 15 outer end be stuck on the end face of 26 other end of valve pipe or retraction perforation B22 in, in control-rod 14
Outer end is equipped with drawstring 6.
In conjunction with attached drawing 1,2,3 and 4, respectively arranged sliding slot 28 is close to the control-rod 14 on 14 top and bottom of control-rod
One end is equipped with deep trouth 28.1, shallow slot 28.5 is equipped in the middle part of the control-rod 14 of sliding slot 28, in the deep trouth 28.1 and shallow slot of sliding slot 28
It is the excessive A28.2 in inclined-plane, protrusion 28.3 and shallow slot 28.5 that protrusion 28.3, described raised 28.3 is equipped between 28.5 with deep trouth 28.1
Between be equipped with the excessive B28.4 in inclined-plane；Slide plate 15.1 on two cylinders, 15 opposite face slides into deep trouth 28.1 and obtains two cylinders, 15 outer end
The perforation B22 for hiding mobile valve rod 19 in, slide plate 15.1 on two cylinders, 15 opposite face obtains two after sliding into shallow slot 28.5
The end face for being stuck in 26 other end of valve pipe of 15 outer end of cylinder；Plate 27, the plate 27 are equipped in the outer end of control-rod 14
Middle part is equipped with through-hole 13, and one end binding 3 of drawstring 6 is equipped with becket bridle 7 on through-hole 13, in the other end of drawstring 6.
In conjunction with attached drawing 1,2 or 7, two perforation B22 of mobile valve rod 19 to other end branch are equipped with flat bottomed recess 23, described
Flat bottomed recess 23 is equipped with screw hole 29 in the middle part of mobile 19 other end of valve rod, and it is fixed that two-screw 30 is each passed through two spring leafs 24
Fixation of two screw holes 29 formation to two spring leafs, 24 one end is separately connected after the fixation hole 24.5 of close one end setting of piece 24.4,
It is connect in the other end of fixinig plate 24.4 with one end of oblique excessively piece 24.3, described tiltedly excessively the other end of piece 24.3 is equipped with tilting
Piece 24.2 tilts 24.1 sets of sets of holes be arranged on piece 24.2 in two cylinders 15 close to external.
In conjunction with attached drawing 1,2,5 and 6, the outer end of the cylinder 15 is equipped with buttress shaft 15.3, between buttress shaft 15.3 and slide plate 15.1
Equipped with thick column 15.2, spring leaf 24 tilts 24.1 sets of sets of holes on piece 24.2 on buttress shaft 15.3, tilts piece by spring leaf 24
24.2 form the compressing to thick 15.2 outer end face of column of cylinder 15；Inclined-plane 15.4 is equipped in 15.1 side of slide plate of cylinder 15.
It is of the invention use process is as follows:
The connecting tube A2 of the application assembled and connecting tube B9 is connected to liquid material conveyance conduit by being shorted
On discharge opening pipeline, it is then turned on equipment normal operation, raw material liq enters movement by the horizontal orifice of connecting tube A2 at this time
The horizontal orifice of the perforation A17 and connecting tube B9 of valve rod 19 are flowed；Once there is interface loosening in equipment or pipeline burst is asked
When topic, by pulling the becket bridle 7 of drawstring 6, the slide plate 15.1 of cylinder 15 simultaneously is at this moment moved outside control-rod 14 by the shallow of control-rod 14
Slot 28.5 slides into deep trouth 28.1 via protrusion 28.3, further the first outer retraction after moving some loosening of the buttress shaft 15.3 of acquisition cylinder 15
Perforate B22, and at this moment the buttress shaft 15.3 of cylinder 15 loses the control to 26 the other end face of valve pipe, and spring 10 heads on mobile valve rod 19
Expanding ring 20 be displaced outwardly, while the perforation A17 of mobile valve rod 19 deviates the horizontal orifice of connecting tube B9 and connecting tube A2, i.e.,
Mobile valve rod 19 closes the horizontal orifice of the horizontal orifice of connecting tube B9 and connecting tube A2, obtains preferable plugging effect, liquid
Body just no longer flows；At this moment can pipe-repairing, the present invention becket bridle 7 of drawstring 6 can be placed on conveniently can and place, be convenient for pipeline
Emergency when there is dangerous situation pulls.
In actual use, lead sealing can be set in 27 suitable position of plate of control-rod 14, to prevent staff from arbitrarily opening
It opens；The casing of protection can be also set outside spring 10.
Part not in the detailed description of the invention is the prior art.
Claims (10)
1. a kind of liquid conducting pipes quick flow-breaking device, including cross pipe, mobile valve rod (19), rubber seal A(11),
Rubber seal B(12), spring (10), control-rod (14) and cylinder (15), it is characterized in that: being equipped in mobile valve rod (19) one end
Expanding ring (20), the mobile valve rod (19) are respectively equipped with annular groove A(18 close to the two sides at middle part) and annular groove B
(21), in annular groove A(18) and annular groove B(21) between close annular groove A(18 on mobile valve rod (19)) at set
There is liquid to pass through perforation A(17)；Connecting tube A(2) outer end connect with inlet tube, connecting tube B(9) outer end connects outlet tube, a word
The connecting tube B(9 of shape structure) and connecting tube A(2) between connect to form cross pipe with the middle part of valve pipe (26)；It is through valve pipe
(26) in horizontal orifice (4) mobile valve rod (19) perforation A(17) be correspondingly connected with pipe A(2) and connecting tube B(9) horizontal orifice
(4) or the horizontal orifice (4) is blocked, in mobile valve rod (19) annular groove A(18) and annular groove B(21) on rubber it is close
Seal A(11) and rubber seal B(12) closure of the formation to horizontal orifice (4) both ends, cover the bullet on mobile valve rod (19)
Spring (10) both ends are withstood on respectively on the opposite face of valve pipe (26) one end and expanding ring (20), the other end of the mobile valve rod (19)
End face is equipped with blind hole (16), and mobile valve rod (19) are equipped with perforation blind hole (16) close to the middle part of blind hole (16) described in the other end and move
Perforation B(22 above and below ovable valve stem (19) outer edge surface), control-rod (14) is through in the blind hole (16), in the upper of control-rod (14)
It is respectively equipped with mutual corresponding sliding slot (28) below, is through perforation B(22) cunning on cylinder (15) opposite face in upper and lower opening
Piece (15.1) controls two cylinders (15) outer end by the depth of two sliding slots (28) and is stuck on the end face of valve pipe (26) other end
Or retraction perforation B(22) in, drawstring (6) are equipped in the outer end of control-rod (14).
2. liquid conducting pipes quick flow-breaking device according to claim 1, it is characterized in that: in control-rod (14) top and bottom
Upper respectively arranged sliding slot (28) is to be equipped with deep trouth (28.1) close to the control-rod (14) one end, the control-rod of sliding slot (28)
(14) middle part is equipped with shallow slot (28.5), is equipped between the deep trouth (28.1) and shallow slot (28.5) of sliding slot (28) raised (28.3),
The protrusion (28.3) and deep trouth (28.1) are the excessive A(28.2 in inclined-plane), it is equipped between raised (28.3) and shallow slot (28.5) oblique
The excessive B(28.4 in face)；Slide plate (15.1) on two cylinders (15) opposite face slides into deep trouth (28.1) and obtains two cylinders (15) outer end
The perforation B(22 for hiding mobile valve rod (19)) in, slide plate (15.1) on two cylinders (15) opposite face slides into shallow slot
(28.5) end face for being stuck in valve pipe (26) other end of two cylinders (15) outer end is obtained afterwards.
3. liquid conducting pipes quick flow-breaking device according to claim 1 or 2, it is characterized in that: in control-rod (14)
Outer end is equipped with plate (27), is equipped with through-hole (13) in the middle part of the plate (27), and one end binding (3) of drawstring (6) is in through-hole (13)
On.
4. liquid conducting pipes quick flow-breaking device according to claim 3, it is characterized in that: the other end in drawstring (6)
Equipped with becket bridle (7).
5. liquid conducting pipes quick flow-breaking device according to claim 1, it is characterized in that: the two of mobile valve rod (19) wear
Hole B(22) it is equipped with flat bottomed recess (23) to other end branch, it is another close to mobile valve rod (19) in the flat bottomed recess (23)
End middle part is equipped with screw hole (29), and two-screw (30) is each passed through close one end setting of two spring leafs (24) fixinig plate (24.4)
Fixation of two screw holes (29) formation to two spring leafs (24) one end is separately connected after fixation hole (24.5), in fixinig plate (24.4)
The other end is connect with one end of oblique excessively piece (24.3), and described tiltedly excessively the other end of piece (24.3) is equipped with tilting piece (24.2),
The sets of holes (24.1) being arranged on piece (24.2) are tilted to cover in two cylinders (15) on external buttress shaft (15.3).
6. liquid conducting pipes quick flow-breaking device according to claim 5, it is characterized in that: the outer end of the cylinder (15)
Equipped with buttress shaft (15.3), thick column (15.2) are equipped between buttress shaft (15.3) and slide plate (15.1), spring leaf (24) tilts piece
(24.2) sets of holes (24.1) on cover on buttress shaft (15.3), tilt piece (24.2) by spring leaf (24) and are formed to cylinder (15) slightly
The compressing of column (15.2) outer end face.
7. liquid conducting pipes quick flow-breaking device according to claim 6, it is characterized in that: the slide plate in cylinder (15)
(15.1) side is equipped with inclined-plane (15.4).
8. liquid conducting pipes quick flow-breaking device according to claim 1, it is characterized in that: in connecting tube B(9), connection
Pipe A(2) and the junction of valve pipe (26) be equipped with the block (5) reinforced, one end outer rim of the valve pipe (26) is equipped with convex hole
(25), spring (10) both ends covered on mobile valve rod (19) withstand on valve pipe (26) one end convex hole (25) and expanding ring respectively
(20) on opposite face.
9. liquid conducting pipes quick flow-breaking device according to claim 1, it is characterized in that: the mobile valve rod (19)
Perforation A(17) before and after two connecting plates (32) be respectively equipped with arc-shaped recess, the arc-shaped recess of two connecting plates (32) up and down up and down
(31) between the height of two connecting plates (32) be the diameter of mobile valve rod (19) 1/6th within.
10. liquid conducting pipes quick flow-breaking device according to claim 1, it is characterized in that: the connecting tube B(9)
Outer end be equipped with external screw thread B(8), the connecting tube A(2) outer end be equipped with external screw thread A(1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810554088.XA CN108662219B (en) | 2018-06-01 | 2018-06-01 | A kind of liquid conducting pipes quick flow-breaking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810554088.XA CN108662219B (en) | 2018-06-01 | 2018-06-01 | A kind of liquid conducting pipes quick flow-breaking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108662219A CN108662219A (en) | 2018-10-16 |
| CN108662219B true CN108662219B (en) | 2019-09-13 |
Family
ID=63775002
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810554088.XA Active CN108662219B (en) | 2018-06-01 | 2018-06-01 | A kind of liquid conducting pipes quick flow-breaking device |
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| Country | Link |
|---|---|
| CN (1) | CN108662219B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4420281A (en) * | 1981-10-05 | 1983-12-13 | Amp, Incorporated | Fail-safe mechanism |
| JPH10246349A (en) * | 1997-03-05 | 1998-09-14 | Fushiman Kk | Emergency shutoff valve for cistern |
| CN203797073U (en) * | 2012-09-27 | 2014-08-27 | 艾默生过程管理调节技术公司 | Emergency cutting-off safety device |
| CN104613206A (en) * | 2013-11-05 | 2015-05-13 | 沁园集团股份有限公司 | Protective valve for device after liquid leakage |
| CN206290777U (en) * | 2016-10-25 | 2017-06-30 | 浙江盾安智控科技股份有限公司 | A kind of excessively stream high temperature stop valve |
-
2018
- 2018-06-01 CN CN201810554088.XA patent/CN108662219B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4420281A (en) * | 1981-10-05 | 1983-12-13 | Amp, Incorporated | Fail-safe mechanism |
| JPH10246349A (en) * | 1997-03-05 | 1998-09-14 | Fushiman Kk | Emergency shutoff valve for cistern |
| CN203797073U (en) * | 2012-09-27 | 2014-08-27 | 艾默生过程管理调节技术公司 | Emergency cutting-off safety device |
| CN104613206A (en) * | 2013-11-05 | 2015-05-13 | 沁园集团股份有限公司 | Protective valve for device after liquid leakage |
| CN206290777U (en) * | 2016-10-25 | 2017-06-30 | 浙江盾安智控科技股份有限公司 | A kind of excessively stream high temperature stop valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108662219A (en) | 2018-10-16 |
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