CN113639079A - Break valve for pipeline fluid conveying control - Google Patents
Break valve for pipeline fluid conveying control Download PDFInfo
- Publication number
- CN113639079A CN113639079A CN202111195406.6A CN202111195406A CN113639079A CN 113639079 A CN113639079 A CN 113639079A CN 202111195406 A CN202111195406 A CN 202111195406A CN 113639079 A CN113639079 A CN 113639079A
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- 239000012530 fluid Substances 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 239000012528 membrane Substances 0.000 claims description 20
- 230000000694 effects Effects 0.000 claims description 2
- 238000009428 plumbing Methods 0.000 claims 4
- 230000009471 action Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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)
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Abstract
The invention relates to the field of pipeline fluid conveying valves and discloses a snapping valve for pipeline fluid conveying control, which comprises a first valve pipe and a second valve pipe, wherein the shapes, sizes and internal structures of the first valve pipe and the second valve pipe are completely the same, a first sliding groove and a second sliding groove are formed in the first valve pipe and the second valve pipe respectively, the first sliding groove is communicated with the second sliding groove, the second sliding groove is a hexagonal groove, and the inner diameter value of the first sliding groove is smaller than the distance value between the top and the bottom of the second sliding groove. The second sliding grooves in the first valve pipe and the second valve pipe are hexagonal grooves, the driven plate and the movable piston are movably sleeved in the second sliding grooves, and the rotating nuts fixedly connected with the side surface of the driven plate are sleeved on the ball screw in a sleeved mode, so that the sealing stroke is reduced when the first valve pipe and the second valve pipe are broken, and the sealing efficiency is higher when the pipeline is broken.
Description
Technical Field
The invention relates to the field of pipeline fluid conveying valves, in particular to a snapping valve for pipeline fluid conveying control.
Background
The breaking valve is a valve body commonly used in a pipeline for conveying fluid, is used for breaking the pipeline by tensile force and is an emergency separation device for preventing the fluid in the pipeline from leaking, belongs to a weak connection point of the whole transmission link, and breaks the pipeline connection when a set condition is reached, and an intermediate medium is self-sealed in the pipeline.
However, when the existing snapping valve is used, because the valve clack is directly pushed by the spring to close the valve port, the closing stroke of the existing snapping valve is long, the pipeline is easily sealed untimely when being snapped, the fluid leakage amount is large, and when the bolts are not completely broken, the valve bodies are still connected, so that the snapping moving stroke is short, the pipeline cannot be closed, and the leakage problem is caused.
Disclosure of Invention
The invention provides a snapping valve for pipeline fluid conveying control, which has the advantages of high plugging efficiency when a pipeline is snapped and difficulty in leakage when the pipeline is not snapped completely, and solves the technical problems in the background art.
In order to achieve the above purpose, the invention provides the following technical scheme to realize: a breaking valve for pipeline fluid conveying control comprises a first valve pipe and a second valve pipe, wherein the shape, size and internal structure of the first valve pipe and the second valve pipe are completely the same, a first sliding chute and a second sliding chute are formed in the first valve pipe and the second valve pipe, the first sliding chute is communicated with the second sliding chute, the second sliding chute is a hexagonal groove, the inner diameter value of the first sliding chute is smaller than the distance value between the top and the bottom of the second sliding chute, a positioning sleeve positioned in the first sliding chute is fixedly sleeved in the first valve pipe, a diversion groove is formed in the outer edge of the positioning sleeve, a ball screw is fixedly connected to the middle of the side surface of the positioning sleeve, one end of the ball screw, far away from the positioning sleeve, extends into the second sliding chute, a rotary plugging device is movably sleeved in the second sliding chute, the inner side of the rotary plugging device is sleeved with a nut on the outer side of the ball screw, when the rotary plugging device is located at the joint of the first sliding groove and the second sliding groove, the rotary plugging device is in a state of being communicated with the first sliding groove and the second sliding groove, and after the rotary plugging device moves on one side, far away from the positioning sleeve, of the ball screw, the first sliding groove and the second sliding groove are plugged, a spring is arranged between the rotary plugging device and the positioning sleeve, one side, far away from the positioning sleeve, of the rotary plugging device is fixedly connected with a push shaft, and one end of the push shaft is fixedly connected with a push ring.
Optionally, the rotary plugging device comprises a rotary nut which is abutted to the ball screw, the rotary nut is fixedly connected to a driven plate towards one side of a positioning sleeve, one side of the driven plate, away from the rotary nut, is movably connected with a movable piston, the driven plate can move the piston relatively, the movable piston is movably sleeved with the ball screw, the outer side of the movable piston is movably attached to the inner wall of a second sliding groove, the number of the push shafts is six, one ends of the six push shafts are fixedly connected with the side face of the movable piston, the top and the bottom of the movable piston are provided with a second through groove, the driven plate is provided with two first through grooves, and the two first through grooves are in one-to-one correspondence with the two second through grooves.
Optionally, an elastic sealing ring is arranged at a joint between the first valve pipe and the second valve pipe, and the bolt for fixing the first valve pipe and the second valve pipe is a long bolt.
Optionally, the first elastic membrane cover of fixedly connected with between position sleeve and the removal piston, first elastic membrane cover suit is in the outside of spring, and first elastic membrane cover is located the inboard that the second led to the groove, the one end fixedly connected with that the position sleeve was kept away from to ball screw is located the inboard baffle of throw-out collar, fixedly connected with second elastic membrane cover between baffle and the passive plate, second elastic membrane cover activity suit is in the outside of swivel nut, and second elastic membrane cover is located the inboard that the first led to the groove.
Optionally, the driven plate is movably connected with the movable piston through an end face bearing, a sealing ring is fixedly connected to the side face of the driven plate, one side, away from the driven plate, of the sealing ring is movably connected with the side face of the movable piston, and a third through groove identical to the first through groove is formed in the sealing ring.
The invention provides a snapping valve for pipeline fluid conveying control, which has the following beneficial effects:
1. the snapping valve for controlling the fluid transportation of the pipeline adopts the structural design that the second sliding chutes in the first valve pipe and the second valve pipe are hexagonal grooves, the driven plate and the movable piston are movably sleeved in the second sliding chutes, and the rotating nuts fixedly connected with the side surfaces of the driven plate are sleeved on the ball screw, when the first valve pipe and the second valve pipe are broken, the first through groove and the second through groove are rapidly rotated and dislocated by utilizing the moving rotation of the rotating nut on the ball screw, thereby realizing plugging, reducing the closing stroke compared with the prior mode that the valve is directly pushed by the spring to close the valve port by the snap-off valve, therefore, the sealing efficiency is higher when the pipeline is broken, the problem that the leakage is caused because the first valve pipe and the second valve pipe are still connected and the moving stroke is short can be solved effectively because the bolts are not completely broken.
2. The snapping valve for pipeline fluid conveying control has the advantages that the driven plate rotates relative to the moving piston when moving along with the rotating nut, so that snapping blocking is realized in a rotating dislocation mode, the elastic sealing ring arranged at the joint between the first valve pipe and the second valve pipe is matched, when circulation between the first valve pipe and the second valve pipe is recovered, the moving piston moves to the communication position of the first chute and the second chute, the driven plate just rotates to the state that the first through groove is communicated with the second through groove, so that circulation of fluid in a pipeline is recovered, compared with the existing snapping valve, the valve is closed by pushing the valve clack through the spring, the problem that when the pipeline circulation is recovered, the first valve pipe and the second valve pipe just contact, the valve clack is separated from the valve port, and more fluid leakage is easily caused is effectively avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view in partial cross-section of the first valve tube of the configuration of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the rotary plugging device of the structure of FIG. 1 according to the present invention;
fig. 4 is a side view of the rotary plugging device of the structure of fig. 1 according to the present invention.
In the figure: 1. a first valve tube; 101. a first chute; 102. a second chute; 2. a second valve tube; 3. a positioning sleeve; 301. a diversion trench; 4. a ball screw; 401. a baffle plate; 5. rotating the plugging device; 501. rotating the nut; 502. a passive plate; 5021. a first through groove; 503. moving the piston; 5031. a second through groove; 6. a spring; 7. pushing the shaft; 8. a push ring; 9. a seal ring; 901. a third through groove; 10. a first elastic film sleeve; 11. a second elastic film sleeve; 12. an elastic sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a snapping valve for pipeline fluid delivery control includes a first valve tube 1 and a second valve tube 2, the first valve tube 1 and the second valve tube 2 have the same shape, size and internal structure, the first valve tube 1 and the second valve tube 2 are fixedly connected through bolts and nuts, the first valve tube 1 and the second valve tube 2 are both provided with a first sliding chute 101 and a second sliding chute 102, referring to fig. 2, the first sliding chute 101 is communicated with the second sliding chute 102, the second sliding chute 102 is a hexagonal groove, the inner diameter of the first sliding chute 101 is smaller than the distance between the top and the bottom of the second sliding chute 102, the first valve tube 1 is fixedly sleeved with a positioning sleeve 3 located in the first sliding chute 101, the outer edge of the positioning sleeve 3 is provided with a diversion chute 301, the middle of the side of the positioning sleeve 3 is fixedly connected with a ball screw 4, one end of the ball screw 4 far from the positioning sleeve 3 extends into the second sliding chute 102, a rotary plugging device 5 is movably sleeved in the second sliding groove 102, referring to fig. 3, the rotary plugging device 5 includes a rotary nut 501 abutted against the ball screw 4, one side of the rotary nut 501 facing the positioning sleeve 3 is fixedly connected with a driven plate 502, one side of the driven plate 502 far away from the rotary nut 501 is movably connected with a movable piston 503, the driven plate 502 can rotate relative to the movable piston 503, the movable piston 503 is movably sleeved with the ball screw 4, the outer side of the movable piston 503 is movably attached to the inner wall of the second sliding groove 102, the side of the movable piston 503 is fixedly connected with six push shafts 7 positioned at the outer side of the driven plate 502, referring to fig. 4, one ends of the six driven plates 502 extend to one side of the ball screw 4 and are fixedly connected with a push ring 8, the outer side of the push ring 8 is movably sleeved with the inner wall of the first valve pipe 1, the top and the bottom of the movable piston 503 are both provided with a second through groove 5031, the driven plate 502 is provided with two first through grooves 5021, and the two first through grooves 5021 correspond to the two second through grooves 5031 one by one, when the rotary plugging device 5 is located at the communication position of the first sliding groove 101 and the second sliding groove 102, the two first through grooves 5021 are communicated with the two second through grooves 5031, and a spring 6 movably sleeved on the ball screw 4 is arranged between the movable piston 503 and the positioning sleeve 3.
One end of each of the first valve pipe 1 and the second valve pipe 2 is respectively connected with a pipeline, after the first valve pipe 1 and the second valve pipe 2 are fixedly connected through bolts and nuts, the push rings 8 in the first valve pipe 1 and the second valve pipe 2 are contacted with each other, so that the movable pistons 503 in the first valve pipe 1 and the second valve pipe 2 are both positioned at the communication position of the first chute 101 and the second chute 102, at this time, the first through groove 5021 and the second through groove 5031 are in a communicated state, the fluid is normally conveyed, when the pipelines at one end of the first valve pipe 1 and the second valve pipe 2 are influenced by external tension, so that when the first valve pipe 1 and the second valve pipe 2 are pulled apart, the movable pistons 503 in the first valve pipe 1 and the second valve pipe 2 are both moved towards one side of the second chute 102 under the action of the elastic force of the spring 6, and under the action of the rotary nut 501 and the ball screw 4, the rotary nut 501 drives the movable plate 502 to rotate relative to the movable pistons 503, the first through groove 5021 and the second through groove 5031 are in rotary dislocation to seal the second through groove 5031, so that the first valve pipe 1 and the second valve pipe 2 are both subjected to snapping sealing, and the driven plate 502 can relatively move the piston 503 to rotate to completely seal the second through groove 5031 by moving the driven plate 502 for a short distance on the ball screw 4 along with the rotary nut 501, so that the sealing stroke is reduced compared with the conventional manner that the valve is directly pushed by a spring to seal the valve port of the snapping valve, so that the sealing efficiency is higher when the pipeline is snapped, and the problems that the bolts are not completely broken, the first valve pipe 1 and the second valve pipe 2 are still connected, the moving stroke is short, the valve cannot be sealed and leakage is caused are effectively avoided.
Referring to fig. 3, an elastic sealing ring 12 is disposed at a connection position between the first valve tube 1 and the second valve tube 2, and the bolt for fixing the first valve tube 1 and the second valve tube 2 is a long bolt, when the first valve tube 1 and the second valve tube 2 are reset after being broken, the first valve tube 1 and the second valve tube 2 are connected by the filled bolt, and the elastic sealing ring 12 is disposed between the first valve tube 1 and the second valve tube 2, in a process that the push ring 8 in the first valve tube 1 and the second valve tube 2 are contacted with each other, the movable piston 503 is pushed to move towards the positioning sleeve 3, the passive plate 502 is still in a state of blocking the second through groove 5031, until the first valve tube 1 and the second valve tube 2 are contacted with the elastic sealing ring 12, the movable piston 503 is moved to a communication position between the first sliding groove 101 and the second sliding groove 102, and the movable plate 502 is rotated to a state that the first through groove 5021 is communicated with the second through groove 1, therefore, the circulation of fluid in the pipeline is recovered, compared with the existing breaking valve that the valve clack is pushed by a spring to close the valve port, the problem that more fluid is easily leaked because the valve clack is separated from the valve port when the pipeline circulation is recovered and the first valve pipe 1 and the second valve pipe 2 are just in contact is effectively avoided.
A first elastic membrane sleeve 10 is fixedly connected between the positioning sleeve 3 and the movable piston 503, the first elastic membrane sleeve 10 is sleeved outside the spring 6, the first elastic membrane sleeve 10 is positioned inside the second through groove 5031, one end of the ball screw 4, which is far away from the positioning sleeve 3, is fixedly connected with a baffle 401 positioned inside the push ring 8, a second elastic membrane sleeve 11 is fixedly connected between the baffle 401 and the driven plate 502, the second elastic membrane sleeve 11 is movably sleeved outside the rotary nut 501, the second elastic membrane sleeve 11 is positioned inside the first through groove 5021, and through the sealing of the first elastic membrane sleeve 10 and the second elastic membrane sleeve 11, the movable piston 503 and the driven plate 502 are not influenced while moving in the second through groove 102, fluid is prevented from acting on the rotary nut 501 and the ball screw 4, and the moving rotation of the rotary nut 501 on the ball screw 4 is influenced.
Referring to fig. 4, the passive plate 502 is movably connected to the movable piston 503 through an end face bearing, a sealing ring 9 is fixedly connected to a side face of the passive plate 502, a side of the sealing ring 9 away from the passive plate 502 is movably connected to a side face of the movable piston 503, a third through groove 901 identical to the first through groove 5021 is formed in the sealing ring 9, the passive plate 502 and the movable piston 503 are connected through the end face bearing, it is ensured that the passive plate 502 and the movable piston 503 move together, and the passive plate 502 stably rotates together with the rotary nut 501 and the movable piston 503 under the action of the rotary nut 501 and the ball screw 4, so as to achieve the purpose of immediately plugging the second through groove 5031, thereby improving the connection between the first valve tube 1 and the second valve tube 2, efficiently achieving plugging and preventing the outflow of fluid in the pipeline, compensating the distance between the end face bearings by the sealing ring 9, and ensuring that the passive plate 502 drives the sealing ring 9 to rotate, the second through groove 5031 can be plugged.
When the device is used, one end of the first valve tube 1 and one end of the second valve tube 2 are connected with a pipeline, the first valve tube 1 and the second valve tube 2 are fixed through special bolts and nuts, in a normal use state, fluid in the pipeline flows through the second through groove 5031, the first through groove 5021 and the third through groove 901 in the first valve tube 1 and the second valve tube 2 and is in a communicated state, the fluid normally flows through, when the first valve tube 1 and the second valve tube 2 are pulled apart under the action of external tension, the mutual interference force between the two push rings 8 disappears, under the action of the elastic force of the spring 6, the whole rotary plugging device 5 in the first valve tube 1 and the second valve tube 2 moves towards one side far away from the positioning sleeve 3, the rotary nut 501 drives the driven plate 502 and the sealing ring 9 to integrally rotate under the action of the ball screw rod 4, so that the sealing ring 9 rapidly plugs the second through groove 5031, therefore, the fluid in the pipeline is prevented from continuously flowing out and leaking, when the circulation of the pipeline needs to be restored, the connecting ends of the first valve pipe 1 and the second valve pipe 2 are aligned again, the fixing bolt is installed, the two push rings 8 interact to enable the push shaft 7 and the rotary plugging device 5 to integrally move towards the positioning sleeve 3, and when the first valve pipe 1 and the second valve pipe 2 contact the elastic sealing ring 12, the driven plate 502 and the sealing ring 9 rotate to the state of opening the second through groove 5031.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A break valve for pipeline fluid conveying control comprises a first valve pipe (1) and a second valve pipe (2), and is characterized in that: the shape, size and internal structure of the first valve pipe (1) and the second valve pipe (2) are completely the same, a first sliding groove (101) and a second sliding groove (102) are respectively arranged in the first valve pipe (1) and the second valve pipe (2), the first sliding groove (101) is communicated with the second sliding groove (102), the second sliding groove (102) is a hexagonal groove, the inner diameter value of the first sliding groove (101) is smaller than the distance value between the top and the bottom of the second sliding groove (102), a positioning sleeve (3) positioned in the first sliding groove (101) is fixedly sleeved in the first valve pipe (1), a diversion groove (301) is arranged on the outer edge of the positioning sleeve (3), a ball screw (4) is fixedly connected to the middle of the side surface of the positioning sleeve (3), one end of the ball screw (4) far away from the positioning sleeve (3) extends into the second sliding groove (102), a rotary plugging device (5) is movably sleeved in the second sliding groove (102), the inner side of the rotary plugging device (5) is sleeved with a nut on the outer side of the ball screw (4), the rotary plugging device (5) is located at the joint of the first sliding groove (101) and the second sliding groove (102), the rotary plugging device (5) is in a state of communicating the first sliding groove (101) and the second sliding groove (102), and after the rotary plugging device (5) is moved on the ball screw (4) away from one side of the positioning sleeve (3), the first sliding groove (101) and the second sliding groove (102) are plugged, a spring (6) is arranged between the rotary plugging device (5) and the positioning sleeve (3), one side of the rotary plugging device (5) away from the positioning sleeve (3) is fixedly connected with a push shaft (7), and one end of the push shaft (7) is fixedly connected with a push ring (8).
2. A breakaway valve for plumbing fluid delivery control as recited in claim 1 wherein: the rotary plugging device (5) comprises a rotary nut (501) which is abutted against the ball screw (4), a driven plate (502) is fixedly connected to one side of the rotating nut (501) facing the positioning sleeve (3), one side of the driven plate (502) far away from the rotating nut (501) is movably connected with a movable piston (503), the driven plate (502) can rotate relative to the movable piston (503), the movable piston (503) is movably sleeved with the ball screw (4), the outer side of the movable piston (503) is movably attached to the inner wall of the second sliding groove (102), the number of the push shafts (7) is six, and one end of each of the six push shafts (7) is fixedly connected with the side surface of the movable piston (503), the top and the bottom of the movable piston (503) are both provided with second through grooves (5031), the passive plate (502) is provided with two first through grooves (5021), and the two first through grooves (5021) correspond to the two second through grooves (5031) one by one.
3. A breakaway valve for plumbing fluid delivery control as recited in claim 1 wherein: the joint between the first valve pipe (1) and the second valve pipe (2) is provided with an elastic sealing ring (12), and the bolts for fixing the first valve pipe (1) and the second valve pipe (2) are long bolts.
4. A breakaway valve for plumbing fluid delivery control as recited in claim 1 wherein: the utility model discloses a ball screw, including locating sleeve (3), first elastic membrane cover (10) of fixedly connected with between locating sleeve (3) and removal piston (503), first elastic membrane cover (10) suit is in the outside of spring (6), and first elastic membrane cover (10) are located the inboard of second logical groove (5031), the one end fixedly connected with that ball screw (4) kept away from locating sleeve (3) is located baffle (401) of throw-out collar (8) inboard, fixedly connected with second elastic membrane cover (11) between baffle (401) and passive plate (502), second elastic membrane cover (11) activity suit is in the outside of swivel nut (501), and second elastic membrane cover (11) are located the inboard of first logical groove (5021).
5. A breakaway valve for plumbing fluid delivery control as recited in claim 2 wherein: the driven plate (502) is movably connected with the movable piston (503) through an end face bearing, a sealing ring (9) is fixedly connected to the side face of the driven plate (502), one side, far away from the driven plate (502), of the sealing ring (9) is movably connected with the side face of the movable piston (503), and a third through groove (901) identical to the first through groove (5021) is formed in the sealing ring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111195406.6A CN113639079B (en) | 2021-10-14 | 2021-10-14 | Break valve for pipeline fluid conveying control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111195406.6A CN113639079B (en) | 2021-10-14 | 2021-10-14 | Break valve for pipeline fluid conveying control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113639079A true CN113639079A (en) | 2021-11-12 |
| CN113639079B CN113639079B (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111195406.6A Active CN113639079B (en) | 2021-10-14 | 2021-10-14 | Break valve for pipeline fluid conveying control |
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| CN (1) | CN113639079B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179772A (en) * | 2015-10-21 | 2015-12-23 | 山东悦龙橡塑科技有限公司 | Breakaway coupler for hose |
| CN205592457U (en) * | 2016-01-30 | 2016-09-21 | 上海雷尼威尔技术有限公司 | Break valve gear |
| CN205978693U (en) * | 2016-08-30 | 2017-02-22 | 洛阳普瑞曼自动控制技术有限公司 | Repeatedly usable breaks valve |
| CN208619791U (en) * | 2018-08-29 | 2019-03-19 | 山西德盈新能源科技有限公司 | A kind of LNG dispenser Pull breaking ualve |
| CN210344433U (en) * | 2019-08-26 | 2020-04-17 | 上海精博塑料电子有限公司 | Abruption valve |
| CN113236179A (en) * | 2021-05-18 | 2021-08-10 | 徐超 | Casing float collar for oil field well cementation construction |
| CN113531182A (en) * | 2021-07-31 | 2021-10-22 | 龚细花 | Break valve for pipeline fluid conveying control |
-
2021
- 2021-10-14 CN CN202111195406.6A patent/CN113639079B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179772A (en) * | 2015-10-21 | 2015-12-23 | 山东悦龙橡塑科技有限公司 | Breakaway coupler for hose |
| CN205592457U (en) * | 2016-01-30 | 2016-09-21 | 上海雷尼威尔技术有限公司 | Break valve gear |
| CN205978693U (en) * | 2016-08-30 | 2017-02-22 | 洛阳普瑞曼自动控制技术有限公司 | Repeatedly usable breaks valve |
| CN208619791U (en) * | 2018-08-29 | 2019-03-19 | 山西德盈新能源科技有限公司 | A kind of LNG dispenser Pull breaking ualve |
| CN210344433U (en) * | 2019-08-26 | 2020-04-17 | 上海精博塑料电子有限公司 | Abruption valve |
| CN113236179A (en) * | 2021-05-18 | 2021-08-10 | 徐超 | Casing float collar for oil field well cementation construction |
| CN113531182A (en) * | 2021-07-31 | 2021-10-22 | 龚细花 | Break valve for pipeline fluid conveying control |
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| Publication number | Publication date |
|---|---|
| CN113639079B (en) | 2021-12-14 |
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