CN220416354U - Thread connection type snap-off valve capable of preventing splashing at fracture - Google Patents
Thread connection type snap-off valve capable of preventing splashing at fracture Download PDFInfo
- Publication number
- CN220416354U CN220416354U CN202321764377.5U CN202321764377U CN220416354U CN 220416354 U CN220416354 U CN 220416354U CN 202321764377 U CN202321764377 U CN 202321764377U CN 220416354 U CN220416354 U CN 220416354U
- Authority
- CN
- China
- Prior art keywords
- valve
- joint
- splash
- proof
- connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002093 peripheral effect Effects 0.000 claims description 40
- 239000012530 fluid Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Valve Housings (AREA)
Abstract
The utility model relates to a thread connection type snap-off valve with a splash-proof fracture part, which comprises a valve joint I and a valve joint II which are matched with each other for use, wherein a splash-proof assembly is arranged between the valve joint I and the valve joint II; a flange surface which is connected with each other through bolts is formed on the end face of the connecting end of the valve joint I and the end face of the connecting end of the valve joint II; the splash-proof assembly comprises a splash-proof straight plate, and a splash-proof annular plate is arranged on the splash-proof straight plate in an extending mode; the splash-proof straight plate and the splash-proof annular plate of the splash-proof assembly are arranged outside a splash-proof area at the joint of the valve joint I and the valve joint II, when the valve joint I and the valve joint II break, bolts and other parts connected to the flange surfaces of the valve joint I and the valve joint II can be blocked in the splash-proof area formed by the splash-proof straight plate and the splash-proof annular plate when being broken, so that danger is not generated for staff, and the safety of the stretch-break valve is improved.
Description
Technical Field
The utility model relates to the technical field of snap-off valves, in particular to a threaded connection type snap-off valve with a splash-proof fracture part.
Background
The snap-off valve (emergency release device) prevents leakage accidents caused by unexpected breaks in the pipeline, and is applicable in the fields of ship to shore unloading, tank loading and unloading on roads and railways and other stationary and mobile fluid storage devices, such as crane pipes, fluid transfer arms and connections between transport carriers. The device belongs to a weak connection point of the whole transmission link, and is used for disconnecting a pipeline when a set condition is reached, and an intermediate medium is self-sealed in the pipeline; however, when the snap-off valve is affected by external force and the middle flange surface is broken preferentially in the use process, bolts on the snap-off valve can be instantaneously separated from bolt holes on the flange surface, so that the bolts or other connecting parts are likely to collapse and fly, and certain injury is caused to staff of a monitoring worker; the problem is caused by the fact that the existing snap-off valve is connected in an open mode, no protective barrier exists at the connecting position, when the connecting position is broken, the bolt or the connecting part is likely to splash due to breakage, the hidden danger which needs to be considered by a prisoner is considered, and on the basis of the hidden danger, the snap-off valve is additionally protected to prevent the breakage and the splash of the part, and the hidden danger for the staff caused by the breakage is particularly important.
Disclosure of Invention
The utility model aims to provide the threaded connection type snap-off valve which can additionally protect the joint, reduce the splashing of parts when the joint of the snap-off valve breaks, and effectively protect the broken part of staff from splashing.
The technical problem to be solved by the utility model is realized by the following technical scheme that the anti-splashing threaded connection type snap-off valve for the fracture part comprises a valve connector I and a valve connector II which are matched with each other for use, wherein an anti-splashing component is arranged between the valve connector I and the valve connector II;
one end of the valve joint I is a fixed end connected with an external oil delivery pipe joint, the other end of the valve joint I is a connecting end connected with the valve joint II, an inner thread connected with the external oil delivery pipe joint is arranged on the inner peripheral surface of the fixed end of the valve joint I, a bearing boss is fixedly arranged on the inner peripheral surface of the middle part of the valve joint I, a valve core is arranged on the bearing boss, one side surface of the valve core is connected with the bearing boss through an elastic element, and the other side surface of the valve core is opposite to the connecting end of the valve joint I and can be attached to the inner peripheral surface of the connecting end of the valve joint I;
one end of the valve joint II is a fixed end connected with an external oil delivery pipe joint, the other end of the valve joint II is a connecting end connected with the valve joint I, an internal thread connected with the external oil delivery pipe joint is arranged on the inner peripheral surface of the fixed end of the valve joint II, and a valve core thimble capable of being abutted on a valve core so as to prevent the valve core from being attached to the inner peripheral surface of the connecting end of the valve joint I is fixedly arranged on the inner peripheral surface of the middle part of the valve joint II;
a flange surface which is connected with each other through bolts is formed on the end face of the connecting end of the valve joint I and the end face of the connecting end of the valve joint II;
the splash-proof assembly comprises a splash-proof straight plate, one end of the splash-proof straight plate is fixed on the outer peripheral surface of the connecting end of the valve connector II, and the other end of the splash-proof straight plate extends towards the axial direction of the valve connector II to form a splash-proof annular plate for surrounding the connecting parts of the valve connector I and the valve connector II, so that splash-proof areas are formed at the connecting parts of the valve connector I and the valve connector II.
Preferably, after the connecting end of the valve connector I is connected with the connecting end of the valve connector II, the axes of the valve connector I, the valve connector II and the valve core are collinear.
Preferably, an arc-shaped bulge is formed on the inner peripheral surface of the connecting end of the valve connector I, and an arc-shaped groove which can be attached to the arc-shaped bulge is formed on the outer peripheral surface of one side of the valve core, which faces the connecting end of the valve connector I.
Preferably, after the connecting end of the valve connector I is connected with the connecting end of the valve connector II, the connecting end of the valve connector I and the connecting end of the valve connector II are both positioned in the middle of the splash-proof annular plate.
Preferably, the valve core ejector pins are uniformly distributed on the inner peripheral surface of the connecting end of the valve joint II at equal intervals along the axis of the valve joint II.
Preferably, the flange faces of the valve connector I and the valve connector II are provided with bolt holes for entering bolts, and the bolt entering ends of the bolt holes are arranged on one side face of the flange face, which faces towards the fixed end of the valve connector I.
Preferably, a side surface of the bearing boss, which faces the fixed end of the valve joint I, is provided with a chamfer.
Compared with the prior art, the utility model has the beneficial technical effects that:
(1) The splash-proof straight plate and the splash-proof annular plate of the splash-proof assembly form splash-proof areas at the joint of the valve joint I and the valve joint II, when the valve joint I and the valve joint II break, bolts and other parts connected to the flange surfaces of the valve joint I and the valve joint II can be blocked in the splash-proof areas formed by the splash-proof straight plate and the splash-proof annular plate when the bolts and other parts collapse, so that danger is not generated for workers, and the safety of the snap-off valve is improved;
(2) The connecting end of the valve core and the valve connector I is provided with an arc-shaped bulge and an arc-shaped groove which are matched with each other, and after the valve connector I and the valve connector II are separated, the outer peripheral surface of the valve core can be tightly attached to the connecting end of the valve connector I, so that liquid leakage is avoided to the greatest extent;
(3) The direction of the screw bolt screwed in on the flange surface of the valve joint I is towards the splash-proof straight plate, and when the valve joint I and the valve joint II are broken, the direction of the screw bolt separated from the flange surface of the valve joint I and the valve joint II can be reversed, namely, the direction away from the splash-proof straight plate is broken away, and the worker faces the splash-proof straight plate, so that the broken screw bolt is in the direction away from the worker, which definitely protects the worker, reduces the potential safety hazard existing when the snap-off valve is put into use to the greatest extent, and has strong practicability and high safety factor.
Drawings
FIG. 1 is a schematic side view of a valve joint I and a valve joint II connected as a whole;
FIG. 2 is a schematic side view of the valve connector I and the valve connector II separated;
FIG. 3 is a schematic side view of a spool needle.
In the figure: 1. a valve joint I; 2. a valve joint II; 3. a bearing boss; 4. a valve core; 5. a valve core thimble; 6. a flange surface; 7. splash-proof straight plates; 8. a splash-proof annular plate; 9. arc-shaped bulges; 10. an arc-shaped groove; 11. chamfering; 12. an elastic element.
Detailed Description
Specific embodiments of the utility model will be further described below with reference to the accompanying drawings, in order to facilitate a further understanding of the utility model by those skilled in the art, without limiting the scope of the claims thereto.
1, referring to fig. 1-3, a thread connection type snap-off valve for preventing splashing at a fracture part comprises a valve joint i 1 and a valve joint ii 2 which are matched with each other for use, wherein the valve joint i 1 and the valve joint ii 2 are formed into a substantially hollow cylindrical structure, the size specification of the valve joint i 1 and the valve joint ii 2 can be selected by self according to the use requirement, and an anti-splashing assembly is arranged between the valve joint i 1 and the valve joint ii 2;
one end of the valve joint I1 is a fixed end connected with an external oil delivery pipe joint, the other end of the valve joint I1 is a connecting end connected with the valve joint II 2, an internal thread connected with the external oil delivery pipe joint is arranged on the inner peripheral surface of the fixed end of the valve joint I1, a bearing boss 3 is fixedly arranged on the inner peripheral surface of the middle part of the valve joint I1, the bearing boss 3 is formed into a table surface in a shape of a circular ring, the outer peripheral surface of the bearing boss 3 is fixedly integrated with the inner peripheral surface of the middle part of the valve joint I1, a valve core 4 is arranged on the bearing boss 3, the cross section of the valve core 4 is formed into a circular shape, one side surface of the valve core 4 is connected with the bearing boss 3 through an elastic element 12, the other side surface of the valve core is opposite to the connecting end of the valve joint I1 and can be attached to the inner peripheral surface of the connecting end of the valve joint I1, and the elastic element 12 can be one type of a spring or a pressure spring;
one end of the valve joint II 2 is a fixed end connected with an external oil delivery pipe joint, the other end of the valve joint II 2 is a connecting end connected with the valve joint I1, an internal thread connected with the external oil delivery pipe joint is arranged on the inner peripheral surface of the fixed end of the valve joint II 2, and a valve core thimble 5 which can be abutted against the valve core 4 so that the valve core 4 is not attached to the inner peripheral surface of the connecting end of the valve joint I1 is fixedly arranged on the inner peripheral surface of the middle part of the valve joint II 2;
a flange surface 6 which is connected with each other by bolts is formed on the end surface of the connecting end of the valve joint I1 and the connecting end of the valve joint II 2;
the splash guard assembly comprises a splash guard 7, wherein the cross section of the splash guard 7 is approximately circular, one end of the splash guard 7 is fixed on the outer circumferential surface of the connecting end of the valve joint II 2, the other end of the splash guard extends towards the axial direction of the valve joint II 2 to form a splash guard 8 which surrounds the connecting position of the valve joint I1 and the valve joint II 2, the connecting position of the valve joint I1 and the valve joint II 2 is formed into a splash guard area, the splash guard 8 is formed into an approximately hollow cylindrical structure, and one end face of the splash guard 8 is fixedly connected with the splash guard 7.
In embodiment 1, the splash guard 7 and the splash guard 8 of the splash guard assembly form a splash guard area outside the joint of the valve joint i 1 and the valve joint ii 2, the splash guard area is an annular area and surrounds the valve joint i 1 and the valve joint ii 2, and when the valve joint i 1 and the valve joint ii 2 break, bolts and other parts connected to the flange surfaces 6 of the valve joint i 1 and the valve joint ii 2 are broken, the bolts and other parts can be blocked in the splash guard area formed by the splash guard 7 and the splash guard 8, so that danger is not generated for staff, and the practicability is strong; in addition, according to the use requirement, a plurality of O-shaped sealing rings can be fixedly arranged on the outer peripheral surface of the valve core 4 or the inner peripheral surface of the connecting end of the valve joint I1, so that the tightness between the inner peripheral surface of the connecting end of the valve joint I1 and the outer peripheral surface of the valve core 4 is improved.
In example 2, in the anti-splash threaded snap-off valve in example 1, after the connecting end of the valve connector i 1 is connected to the connecting end of the valve connector ii 2, the axes of the valve connector i 1, the valve connector ii 2 and the valve core 4 are collinear.
Embodiment 3, embodiment 1 a threaded connection formula snap valve that splashes is prevented to fracture department, valve joint I1's link inner peripheral face on be formed with arc protruding 9, the cross section of arc protruding 9 is circular, case 4 towards valve joint I1 link one side outer peripheral face on be formed with the arc recess 10 that can laminate with arc protruding 9, the cross section of arc recess 10 is circular.
In embodiment 3, be provided with arc protruding 9 and arc recess 10 that mutually support on case 4 and valve joint I1 link, after valve joint I1 and valve joint II 2 separate, the outer peripheral face of case 4 can closely laminate with the link of valve joint I1, avoids the liquid seepage to the maximum extent.
Embodiment 4, an anti-splash threaded connection type snap-off valve for a fracture part according to embodiment 1, wherein after the connection end of the valve connector I1 is connected with the connection end of the valve connector II 2, the connection end of the valve connector I1 and the connection end of the valve connector II 2 are both located in the middle of the anti-splash annular plate 8, that is, when the valve connector I1 and the valve connector II 2 are broken, the bolt at the connection part of the valve connector I1 and the valve connector II 2 is broken, even if the bolt is broken, the broken track is in the anti-splash area, and the safety coefficient is high.
In the embodiment 5, the valve core thimble 5 is uniformly distributed on the inner peripheral surface of the connecting end of the valve joint ii 2 along the axis of the valve joint ii 2 at equal intervals, and the valve core thimble 5 is formed into a substantially square strip-shaped metal structure, so that the valve core 4 can be stirred after the valve joint i 1 is connected with the valve joint ii 2.
In embodiment 5, the number of spool pins 5 can be selected by itself, for example, 6 according to the use requirement.
In embodiment 6, in the anti-splashing threaded connection type snap-off valve for a fracture according to embodiment 1, bolt holes for allowing bolts to enter are formed in the flange faces 6 of the valve connector I1 and the valve connector II 2, and the bolt entering ends of the bolt holes are arranged on one side face, facing the fixed end of the valve connector I1, of the flange faces 6.
In embodiment 6, as shown in fig. 1, the bolts on the flange surface 6 of the valve joint i 1 are mounted on the flange surface 6 of the valve joint in a left-to-right direction, that is, after the valve joint i 1 is separated from the valve joint ii 2, the bolts will not collapse to the side of the valve joint ii 2, that is, to the side facing the worker, so that the potential safety hazard of the snap-off valve in use can be avoided as much as possible.
In embodiment 7, in the anti-splash threaded connection type snap-off valve in embodiment 1, a rounded corner 11 is formed on a side of the bearing boss 3 facing the fixed end of the valve joint i 1.
When the splash-proof threaded connection type snap-off valve at the fracture is used, only the fixed end of the valve connector I1 is required to be connected with an external oil delivery pipe connector in a threaded mode, then the fixed end of the valve connector II 2 is required to be connected with another external oil delivery pipe connector in a threaded mode, finally the connecting end of the valve connector I1 is connected with the flange surface 6 on the connecting end of the valve connector II 2 in a bolt mode, after the connecting ends of the valve connector I1 and the valve connector II 2 are connected, the valve core thimble 5 in the valve connector II 2 is abutted to the end face of the valve core 4 in the valve connector I1, and the outer peripheral face of the valve core 4 is not abutted to the inner peripheral face of the connecting end of the valve connector I1, and fluid delivery can be started; when the joint of the valve joint I1 and the valve joint II 2 is broken due to external force, the bolts on the flange surfaces 6 of the valve joint I1 and the valve joint II 2 collapse and fly in the direction away from the splash-proof straight plate 7, and the collapse direction is away from a worker, so that the worker is definitely protected, and the potential safety hazard of the snap-off valve in use is reduced to the greatest extent; in addition, after the valve joint I1 and the valve joint II 2 are completely separated, the valve core thimble 5 is not abutted on the valve core 4 any more, so that the elastic element 12 releases the elastic potential energy, and the outer peripheral surface of the valve core 4 can be tightly attached to the connecting end of the valve joint I1 along with the thrust of fluid to the end surface of the valve core 4, thereby avoiding liquid leakage to the greatest extent.
Claims (7)
1. A threaded connection formula snap valve that splashes is prevented to fracture, its characterized in that: the anti-splash device comprises a valve connector I and a valve connector II which are matched with each other for use, wherein an anti-splash component is arranged between the valve connector I and the valve connector II;
one end of the valve joint I is a fixed end connected with an external oil delivery pipe joint, the other end of the valve joint I is a connecting end connected with the valve joint II, an inner thread connected with the external oil delivery pipe joint is arranged on the inner peripheral surface of the fixed end of the valve joint I, a bearing boss is fixedly arranged on the inner peripheral surface of the middle part of the valve joint I, a valve core is arranged on the bearing boss, one side surface of the valve core is connected with the bearing boss through an elastic element, and the other side surface of the valve core is opposite to the connecting end of the valve joint I and can be attached to the inner peripheral surface of the connecting end of the valve joint I;
one end of the valve joint II is a fixed end connected with an external oil delivery pipe joint, the other end of the valve joint II is a connecting end connected with the valve joint I, an internal thread connected with the external oil delivery pipe joint is arranged on the inner peripheral surface of the fixed end of the valve joint II, and a valve core thimble capable of being abutted on a valve core so as to prevent the valve core from being attached to the inner peripheral surface of the connecting end of the valve joint I is fixedly arranged on the inner peripheral surface of the middle part of the valve joint II;
a flange surface which is connected with each other through bolts is formed on the end face of the connecting end of the valve joint I and the end face of the connecting end of the valve joint II;
the splash-proof assembly comprises a splash-proof straight plate, one end of the splash-proof straight plate is fixed on the outer peripheral surface of the connecting end of the valve connector II, and the other end of the splash-proof straight plate extends towards the axial direction of the valve connector II to form a splash-proof annular plate for surrounding the connecting parts of the valve connector I and the valve connector II, so that splash-proof areas are formed at the connecting parts of the valve connector I and the valve connector II.
2. The splash-proof threaded snap-off valve of claim 1, wherein: after the connecting end of the valve connector I is connected with the connecting end of the valve connector II, the axes of the valve connector I, the valve connector II and the valve core are collinear.
3. The splash-proof threaded snap-off valve of claim 1, wherein: the valve is characterized in that an arc-shaped bulge is formed on the inner peripheral surface of the connecting end of the valve connector I, and an arc-shaped groove which can be attached to the arc-shaped bulge is formed on the outer peripheral surface of one side of the valve core, which faces the connecting end of the valve connector I.
4. The splash-proof threaded snap-off valve of claim 1, wherein: after the connecting end of the valve connector I is connected with the connecting end of the valve connector II, the connecting end of the valve connector I and the connecting end of the valve connector II are both positioned in the middle of the splash-proof annular plate.
5. The splash-proof threaded snap-off valve of claim 1, wherein: the valve core ejector pins are uniformly distributed on the inner peripheral surface of the connecting end of the valve joint II at equal intervals along the axis of the valve joint II.
6. The splash-proof threaded snap-off valve of claim 1, wherein: the flange faces of the valve connector I and the valve connector II are provided with bolt holes for bolts to enter, and the bolt entering ends of the bolt holes are arranged on one side face of the flange face, facing the fixed end of the valve connector I.
7. The splash-proof threaded snap-off valve of claim 1, wherein: the bearing boss is provided with a rounding angle towards one side surface of the fixed end of the valve connector I.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321764377.5U CN220416354U (en) | 2023-07-06 | 2023-07-06 | Thread connection type snap-off valve capable of preventing splashing at fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321764377.5U CN220416354U (en) | 2023-07-06 | 2023-07-06 | Thread connection type snap-off valve capable of preventing splashing at fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220416354U true CN220416354U (en) | 2024-01-30 |
Family
ID=89647921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321764377.5U Active CN220416354U (en) | 2023-07-06 | 2023-07-06 | Thread connection type snap-off valve capable of preventing splashing at fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220416354U (en) |
-
2023
- 2023-07-06 CN CN202321764377.5U patent/CN220416354U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9879809B2 (en) | Coupling with safety valve function | |
| US3719194A (en) | Breakaway coupling | |
| TW201433728A (en) | Holding device for pipe joint and pipe joint using the same | |
| EP3032158A1 (en) | Seal ring structure for high-pressure pipe joint | |
| CN220416354U (en) | Thread connection type snap-off valve capable of preventing splashing at fracture | |
| CN101725791A (en) | Plug for sealing a pipe | |
| CN204677151U (en) | Submersible pump cover | |
| US6979028B2 (en) | Pipe joint | |
| CN105179772A (en) | Breakaway coupler for hose | |
| US20190093800A1 (en) | Tube coupling assembly | |
| CN211371410U (en) | Protection structure of breaking valve | |
| CN216666617U (en) | Electromagnetic valve with buffer impact mechanism | |
| KR102220666B1 (en) | Emergency release coupling | |
| KR200464837Y1 (en) | A flashback arrestor | |
| CN210118575U (en) | Telescopic device with self-compensation function for conveying pipeline | |
| CN211525827U (en) | Plugging device for nuclear power station pipeline leak | |
| CN211649393U (en) | Turbulence-proof pipeline | |
| CN104075055B (en) | A kind of hose connection device | |
| CN210661871U (en) | High-safety protection device | |
| KR102415368B1 (en) | Hydraulic emergency release coupling | |
| CN202032144U (en) | Pull-apart valve | |
| US2236967A (en) | Flexible connection for tubing | |
| CN219388935U (en) | Oil gas recovery valve with high sealing performance | |
| CN220168829U (en) | Novel axial flange sealing device | |
| CN217603642U (en) | Pressure relief plugging structure of Hough section repairing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |