CN210286733U - Low-temperature liquid reloading and snapping safety device - Google Patents
Low-temperature liquid reloading and snapping safety device Download PDFInfo
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- CN210286733U CN210286733U CN201920320833.4U CN201920320833U CN210286733U CN 210286733 U CN210286733 U CN 210286733U CN 201920320833 U CN201920320833 U CN 201920320833U CN 210286733 U CN210286733 U CN 210286733U
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Abstract
The utility model provides a low temperature liquid reinstalls and breaks safety device. Cryogenic liquids reassembling snapping safety device includes: a fixed base; the low-temperature liquid storage tank is fixedly arranged at the top of the fixed base; the cryogenic liquid pump is fixed on the right side of the top of the fixed base; the liquid inlet pipe is communicated with the bottom of the right side of the surface of the low-temperature liquid storage tank; the liquid outlet pipe is communicated with the output end of the low-temperature liquid pump; the breaking device is arranged at the right end of the liquid outlet pipe and comprises a connecting box; the infusion tube is arranged on the right side of the snapping device. The utility model provides a cryogenic liquids reassembling snap safety device has and when the snap device received the effect of external force and damages at the transfer line, can prevent that leakage such as liquid nitrogen or liquid oxygen from causing the waste, more safety ring protects.
Description
Technical Field
The utility model relates to a field that cryogenic liquids carried especially relates to a cryogenic liquids repacks and breaks safety device.
Background
Air is a mixture of 78.01% nitrogen, 20.9% oxygen, 0.932% argon and a small amount of a rare gas such as helium, neon, xenon, krypton, and the like. The deep freezing method air separation device can separate oxygen, nitrogen and argon components in air into gaseous or liquid products of oxygen, nitrogen and argon, the gaseous products are directly used by downstream supporting enterprises or customers, the liquid products are firstly stored in a cryogenic liquid storage tank and then filled into a cryogenic liquid automobile tank truck through a cryogenic liquid pump, and the cryogenic liquid automobile tank truck is transported to a liquid customer site for customer use.
Liquid products such as liquid nitrogen, liquid oxygen and the like need to be connected with a liquid transport pipe and a low-temperature liquid truck tank car before transportation, then a liquid filling pump is started to convey the liquid nitrogen or the liquid oxygen to the low-temperature liquid truck tank car through the liquid transport pipe, a driver possibly neglects due to busy in the process of infusion, the car is started before filling is not completed and the liquid transport pipe connector is completely detached, finally the liquid transport pipe is damaged due to strong tensile force after the car is started, a large amount of liquid nitrogen or liquid oxygen is leaked and sprayed out to cause waste, and meanwhile personnel and production safety are threatened.
Therefore, there is a need to provide a cryogenic liquid reinstallation snap-off safety device to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cryogenic liquids repacking snap safety device has solved and has just started the car before not filling cryogenic liquids tank car with or the attach fitting when not demolising from cryogenic liquids tank car, probably makes the transfer line receive the damage, and leads to liquid nitrogen or liquid oxygen to leak and cause the waste, threatens personnel and production safety's problem simultaneously.
In order to solve the technical problem, the utility model provides a cryogenic liquids repacks and breaks safety device, include: a fixed base;
the low-temperature liquid storage tank is fixedly arranged at the top of the fixed base;
the cryogenic liquid pump is fixed on the right side of the top of the fixed base;
the liquid inlet pipe is communicated with the bottom of the right side of the surface of the low-temperature liquid storage tank;
the liquid outlet pipe is communicated with the output end of the low-temperature liquid pump;
the breaking device is arranged at the right end of the liquid outlet pipe and comprises a connecting box;
the infusion tube is arranged on the right side of the snapping device;
a connector which is communicated with the right end of the infusion tube
The two first grooves are respectively formed in the top and the left side of the bottom of the inner wall of the connecting box;
the blocking plate is rotatably connected to the right side of the inner surface of the first groove;
the sealing cover is fixed between the opposite sides of the two barrier plates;
and the connecting pipe is fixed on the right side of the sealing cover.
Preferably, the input end of the low-temperature liquid pump is communicated with the right end of the liquid inlet pipe, the right end of the liquid outlet pipe is communicated with the left side of the connecting box through a flange, and the liquid conveying pipe is provided with a ball valve.
Preferably, the right end of the connecting pipe is communicated with the left end of the infusion tube, second grooves are formed in the top and the right side of the bottom of the inner wall of the connecting box, and moving blocks are connected between the left side and the right side of the inner surface of each second groove in a sliding mode.
Preferably, the opposite sides of the two moving blocks are fixedly connected with limit blocks, and one side of each moving block is fixedly connected with one side of the inner surface of the second groove through a first elastic piece.
Preferably, the left sides of the top and the bottom of the connecting pipe are provided with limit grooves matched with the limit blocks, and the front side and the back side of the sealing cover are fixedly connected with the sealing blocks.
Preferably, two the sealed piece is all through the front and the back joint of chucking device with the connection box inner wall, chucking device includes the third recess, sliding connection has the chucking piece between the top of third recess internal surface and the bottom.
Preferably, the right side of the clamping block is fixedly connected with the right side of the inner surface of the third groove through a second elastic piece, and the left side and the right side of the limiting block are arc-shaped surfaces.
Compared with the prior art, the utility model provides a cryogenic liquids repacks and breaks safety device has following beneficial effect:
the utility model provides a low-temperature liquid reloading and breaking safety device, a ball valve is opened, liquid nitrogen or liquid oxygen in a low-temperature liquid storage tank enters a connector through a liquid inlet pipe, a liquid outlet pipe and a liquid conveying pipe through a low-temperature liquid pump, the liquid nitrogen or the liquid oxygen enters the connector through the connector, the liquid nitrogen or the liquid oxygen enters the low-temperature liquid automobile tank car through the connector, if a driver neglects before the low-temperature liquid automobile tank car is not filled or the connector is not taken out of the low-temperature liquid automobile tank car, the automobile is dispatched because the connector is clamped in the low-temperature liquid automobile tank car, the automobile pulls the liquid conveying pipe through the connector, the liquid conveying pipe pulls a connecting pipe, a sealing cover is pulled by the connecting pipe, meanwhile, the right side of the inner surface of a limiting groove at the top and the bottom of the connecting pipe extrudes the left arc surface of, meanwhile, the connecting pipe pulls the front and the back of the sealing cover to the outer side of the connecting box to drive the sealing block to move out of the third groove, the top and the bottom of the sealing cover respectively pull the two baffle plates to rotate to the opposite side, the two baffle plates can only rotate ninety degrees, when the pulling force is large, the sealing cover can be damaged, liquid nitrogen or liquid oxygen is blocked by the two baffle plates, the liquid nitrogen or liquid oxygen cannot flow out, waste is caused, the ball valve can be closed tightly at the moment, if a driver finds that the sealing cover is damaged in time, after the sealing cover is cleaned up, the sealing cover can be put into the connecting box again, the right side arc face of the limiting block is extruded by the top and the bottom of the connecting pipe to enter the second groove, when the limiting block corresponds to the position of the limiting groove, the limiting block is bounced into the limiting groove through the first elastic piece, and the stability of the connecting pipe is improved by, through taking off the left side flange, rotate the baffler to first recess inside, will seal inside the piece is placed into the third recess, can reuse, this safety device is through breaking the device and receiving the effect of external force when damaging at the transfer line, can prevent that liquid nitrogen or liquid oxygen etc. from flowing to ground and causing the waste, more safety ring protects.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of a cryogenic liquid reinstallation snap-off safety device according to the present invention;
FIG. 2 is a cross-sectional view of the snap-off device shown in FIG. 1;
fig. 3 is a schematic structural view of the chucking device shown in fig. 1.
Reference numbers in the figures: 1. the device comprises a fixed base, 2, a cryogenic liquid storage tank, 3, a cryogenic liquid pump, 4, a liquid inlet pipe, 5, a ball valve, 6, a liquid outlet pipe, 7, a snapping device, 71, a connecting box, 72, a flange, 73, a sealing cover, 74, a first groove, 75, a blocking plate, 76, a connecting pipe, 77, a limiting groove, 78, a second groove, 79, a first elastic piece, 710, a moving block, 711, a limiting block, 712, a sealing block, 8, a liquid conveying pipe, 9, a clamping device, 91, a third groove, 92, a second elastic piece, 93, a clamping block, 10 and a connecting joint.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a cryogenic liquid reinstallation snapping safety device according to the present invention; FIG. 2 is a cross-sectional view of the snap-off device shown in FIG. 1; fig. 3 is a schematic structural view of the chucking device shown in fig. 1. Cryogenic liquids reinstallate the safety device that breaks that comprises: a fixed base 1;
the low-temperature liquid storage tank 2 is fixedly arranged at the top of the fixed base 1;
the low-temperature liquid pump 3 is fixed on the right side of the top of the fixed base 1, and the low-temperature liquid pump 3 is connected with an external power supply through a power line;
the liquid inlet pipe 4 is communicated with the bottom of the right side of the surface of the low-temperature liquid storage tank 2;
the liquid outlet pipe 6 is communicated with the output end of the low-temperature liquid pump 3;
the breaking device 7 is arranged at the right end of the liquid outlet pipe 6, the breaking device 7 comprises a connecting box 71, and the cross section of the connecting box 71 is rectangular;
the infusion tube 8 is arranged on the right side of the snapping device 7;
a connector 10, wherein the connector 10 is communicated with the right end of the infusion tube 8
The two first grooves 74 are respectively formed in the left sides of the top and the bottom of the inner wall of the connecting box 71;
the blocking plate 75 is rotatably connected to the right blocking plate 75 on the inner surface of the first groove 74, the rotating member is rotatably connected to the right side of the inner surface of the first groove 74, the rotating shaft surface on the rotating member is provided with a non-slip pad, the blocking plate 75 can only rotate under the action of external force, and the size of the two blocking plates 75 is the same as that of the inner cross section of the connecting box 71;
the sealing cover 73 is fixed between the opposite sides of the two barrier plates 75, the sealing cover 73 is made of rubber, and the cross section of the sealing cover 73 is rectangular;
and a connection pipe 76, wherein the connection pipe 76 is fixed to the right side of the sealing cover 73, and the cross section of the left end of the connection pipe 76 is rectangular and the right end is circular.
The input end of the low-temperature liquid pump 3 is communicated with the right end of the liquid inlet pipe 4, the right end of the liquid outlet pipe 6 is communicated with the left side of the connecting box 71 through a flange 72, and the infusion pipe 8 is provided with a ball valve 5.
The right end of the connecting pipe 76 is communicated with the left end of the infusion tube 8, the right sides of the top and the bottom of the inner wall of the connecting box 71 are both provided with second grooves 78, and moving blocks 710 are connected between the left side and the right side of the inner surface of each second groove 78 in a sliding mode.
The opposite sides of the two moving blocks 710 are fixedly connected with a limiting block 711, the limiting block 711 is located inside the limiting groove 77, and one side of the moving block 710 is fixedly connected with one side of the inner surface of the second groove 78 through a first elastic member 79.
The left sides of the top and the bottom of the connecting pipe 76 are provided with limiting grooves 77 matched with the limiting blocks 711, the left sides of the front and the back of the sealing cover 73 are fixedly connected with sealing blocks 712, and the sealing blocks 712 are made of rubber.
Two sealed piece 712 is all through chucking device 9 and the front and the back joint of being connected box 71 inner wall, chucking device 9 includes third recess 91, sliding connection has chucking piece 93 between the top of third recess 91 internal surface and the bottom, and sealed piece 712 is inseparabler with the left side laminating of third recess 91 internal surface when passing through second elastic component 92 and chucking piece 93, prevents that liquid nitrogen or liquid oxygen etc. from flowing into between sealed cowling 73 and the connection box 71 are inside.
The right side of the clamping block 93 is fixedly connected with the right side of the inner surface of the third groove 91 through a second elastic piece 92, and the left side and the right side of the limiting block 711 are both arc-shaped surfaces.
The utility model provides a low temperature liquid reinstalls safety device that breaks's theory of operation as follows:
opening the ball valve 5, making liquid nitrogen or liquid oxygen in the cryogenic liquid storage tank 2 enter the connector 10 through the liquid inlet pipe 4, the liquid outlet pipe 6 and the liquid conveying pipe 8 by the cryogenic liquid pump 3, and enter the cryogenic liquid car tank car on the transport vehicle through the connector 10, if a driver carelessly sends the car before the cryogenic liquid car tank car is not full or the connector is not taken out of the cryogenic liquid car tank car, because the connector 10 is clamped in the cryogenic liquid car tank car, the car pulls the liquid conveying pipe 8 through the connector 10, the liquid conveying pipe 8 pulls the connecting pipe 76, the connecting pipe 76 pulls the sealing cover 73, and meanwhile, the right sides of the inner surfaces of the limiting grooves 77 at the top and the bottom of the connecting pipe 76 extrude the left arc-side surfaces of the limiting blocks 711, so that the limiting blocks 711 extrude the first elastic pieces 79 into the second grooves 78 through the moving blocks 710, and at the moment, the left ends of the connecting pipes, meanwhile, the connecting pipe 76 pulls the sealing cover 73 to the outer side of the connecting box 71 to drive the sealing block 712 to move out of the third groove 91, the top and the bottom of the sealing cover 73 respectively pull the two barrier plates 75 to rotate to the opposite sides, both the two barrier plates 75 can only rotate ninety degrees, when the pulling force is large, the sealing cover 73 can be damaged, liquid nitrogen or liquid oxygen is blocked by the two barrier plates 75, so that the liquid nitrogen or liquid oxygen cannot flow out, waste is caused, the ball valve can be closed tightly at the moment, if a driver finds that the sealing cover 73 is damaged in time, after the sealing cover 73 is cleaned up, the sealing cover 73 can be put into the connecting box 71 again, and the right arc face of the limiting block 711 is extruded through the top and the bottom of the connecting pipe 76 to enter the inside of the second groove 78, and when the limiting block 711 corresponds to the limiting groove 77, the limiting block 711 is ejected into the limiting groove 77 through the first elastic member 79, the stopper 711 increases the stability of the connection pipe 76, and by removing the left flange 72, the blocking plate 75 is rotated into the first groove 74, and the sealing block 712 is placed into the third groove 91, so that the connection pipe can be used again.
Compared with the prior art, the utility model provides a cryogenic liquids repacks and breaks safety device has following beneficial effect:
the utility model provides a low temperature liquid reloads safety device that breaks, open ball valve 5, liquid nitrogen or liquid oxygen in low temperature liquid storage tank 2 is through feed liquor pipe 4, drain pipe 6, transfer line 8 entering connector 10 through cryogenic liquid pump 3, enter the cryogenic liquid tank car on the transport vechicle through connector 10 inside, if the driver neglects before cryogenic liquid tank car is not full or connector does not take out from cryogenic liquid tank car, just send out the car, because connector 10 blocks in cryogenic liquid tank car, the car pulls transfer line 8 through connector 10, transfer line 8 pulls connecting pipe 76, connecting pipe 76 pulls sealed cowling 73, the right side of the spacing groove 77 internal surface at the top of connecting pipe 76 and bottom extrudes the left side arcwall face of stopper 711 simultaneously, make the stopper 711 extrude first elastic component 79 through movable block 710 and enter into inside second recess 78, at this time, the left end of the connecting pipe 76 is pulled out of the connecting box 71, the connecting pipe 76 pulls the sealing cover 73 towards the outside of the connecting box 71 to drive the sealing block 712 to move out of the third groove, the top and the bottom of the sealing cover 73 respectively pull the two barrier plates 75 to rotate towards the opposite sides, both the two barrier plates 75 can only rotate ninety degrees, when the pulling force is large, the sealing cover 73 can be damaged, liquid nitrogen or liquid oxygen is blocked by the two barrier plates 75, so that the liquid nitrogen or the liquid oxygen cannot flow out, waste is caused, the ball valve can be closed tightly at this time, if a driver finds that the sealing cover 73 is damaged in time, after cleaning, the sealing cover 73 can be put into the connecting box 71 again, and similarly, the right arc-shaped surface of the limiting block 711 is extruded by the top and the bottom of the connecting pipe 76 to enter the inside of the second groove 78, and when the limiting block 711 corresponds to the limiting groove 77, the limiting block 79 bounces into the limiting groove 77, stopper 711 increases the stability of connecting pipe 76, through taking off left side flange 72, rotates baffler 75 to first recess inside, places sealed piece 712 into the third recess inside, can reuse this safety device through breaking device 7 when the transfer line 8 receives the effect damage of external force, can prevent that liquid nitrogen or liquid oxygen etc. from flowing to ground and causing the waste, more safety ring protects.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. A cryogenic liquid reinstallation snap-off safety device, comprising: a fixed base;
the low-temperature liquid storage tank is fixedly arranged at the top of the fixed base;
the cryogenic liquid pump is fixed on the right side of the top of the fixed base;
the liquid inlet pipe is communicated with the bottom of the right side of the surface of the low-temperature liquid storage tank;
the liquid outlet pipe is communicated with the output end of the low-temperature liquid pump;
the breaking device is arranged at the right end of the liquid outlet pipe and comprises a connecting box;
the infusion tube is arranged on the right side of the snapping device;
a connector which is communicated with the right end of the infusion tube
The two first grooves are respectively formed in the top and the left side of the bottom of the inner wall of the connecting box;
the blocking plate is rotatably connected to the right side of the inner surface of the first groove;
the sealing cover is fixed between the opposite sides of the two barrier plates;
and the connecting pipe is fixed on the right side of the sealing cover.
2. The cryogenic liquid reassembling and snapping safety device according to claim 1, wherein an input end of the cryogenic liquid pump is communicated with a right end of the liquid inlet pipe, a right end of the liquid outlet pipe is communicated with a left side of the connecting box through a flange, and the liquid conveying pipe is provided with a ball valve.
3. The cryogenic liquid reloading and snapping safety device as claimed in claim 1, wherein the right end of the connecting pipe is communicated with the left end of the infusion pipe, the right sides of the top and the bottom of the inner wall of the connecting box are both provided with second grooves, and moving blocks are slidably connected between the left side and the right side of the inner surface of the second grooves.
4. The cryogenic liquid reinstallation and snap-off safety device according to claim 3, wherein the two moving blocks are fixedly connected to opposite sides of the two moving blocks, and one side of each moving block is fixedly connected to one side of the inner surface of the corresponding second groove through the corresponding first elastic piece.
5. The cryogenic liquid reassembling and snapping safety device according to claim 4, wherein the left sides of the top and the bottom of the connecting pipe are respectively provided with a limiting groove adapted to the limiting block, and the left sides of the front and the back of the sealing cover are respectively fixedly connected with a sealing block.
6. The cryogenic liquid reassembling snap-off safety device according to claim 5, wherein the two sealing blocks are clamped with the front and back of the inner wall of the connecting box through clamping devices, each clamping device comprises a third groove, and a clamping block is connected between the top and the bottom of the inner surface of the third groove in a sliding manner.
7. The cryogenic liquid reassembling and snapping safety device according to claim 6, wherein the right side of the clamping block is fixedly connected with the right side of the inner surface of the third groove through a second elastic member, and both the left side and the right side of the limiting block are arc-shaped surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920320833.4U CN210286733U (en) | 2019-03-14 | 2019-03-14 | Low-temperature liquid reloading and snapping safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920320833.4U CN210286733U (en) | 2019-03-14 | 2019-03-14 | Low-temperature liquid reloading and snapping safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210286733U true CN210286733U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920320833.4U Active CN210286733U (en) | 2019-03-14 | 2019-03-14 | Low-temperature liquid reloading and snapping safety device |
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| Country | Link |
|---|---|
| CN (1) | CN210286733U (en) |
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- 2019-03-14 CN CN201920320833.4U patent/CN210286733U/en active Active
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