CN212644253U - Liquid nitrogen pipe structure - Google Patents
Liquid nitrogen pipe structure Download PDFInfo
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- CN212644253U CN212644253U CN202021510900.8U CN202021510900U CN212644253U CN 212644253 U CN212644253 U CN 212644253U CN 202021510900 U CN202021510900 U CN 202021510900U CN 212644253 U CN212644253 U CN 212644253U
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Abstract
The utility model belongs to the technical field of liquid nitrogen tubes, in particular to a liquid nitrogen tube structure, which comprises a tube body and a liquid outlet tube fixed at the bottom of the tube body, wherein a protective tube is fixedly connected with the outer wall of the tube body, a cavity is arranged between the protective tube and the tube body, heat insulation cotton is filled in the protective tube, a barometer is arranged at the top of the tube body, and the barometer penetrates through the protective tube and the tube body and extends into the tube body; the junction of drain pipe and body is protected by the protection piece, avoided receiving the outside collision because of the junction of drain pipe and body and damaging the condition that appears leaking, fixed pipe is sealed to first seal cover and the second seal cover by the rubber material again, extension pipe and protection piece, gap between the connecting pipe, fixed pipe has been reduced, extension pipe and protection piece, gap between the connecting pipe, further increase the leakproofness between drain pipe and the body, thereby prevent that the liquid nitrogen from appearing the condition of leaking.
Description
Technical Field
The utility model belongs to the technical field of the liquid nitrogen pipe, concretely relates to liquid nitrogen pipe structure.
Background
Liquid nitrogen is liquid nitrogen, inert, colorless, odorless, noncorrosive, nonflammable, extremely low in temperature, and forms most of the atmosphere, nitrogen is inactive and does not support combustion, and is in a liquid form formed at low temperature, the boiling point of nitrogen is-196 ℃, and liquid nitrogen can be formed at normal atmospheric pressure if the temperature is below that, and liquid nitrogen can be obtained at higher temperature if pressurized.
The drain pipe of current liquid nitrogen pipe is usually to carry out the extrusion with waterproof adhesive tape winding in the junction with liquid nitrogen pipe and seals, but, the long-time easy damage that receives of waterproof adhesive tape, and moreover, the junction of drain pipe and liquid nitrogen pipe can expose externally, receives outside collision easily and damages to the condition that leads to the liquid nitrogen to leak takes place.
Accordingly, those skilled in the art have provided a liquid nitrogen tube structure to solve the problems set forth in the background art described above.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a liquid nitrogen tube structure has the strong characteristics of leakproofness.
In order to achieve the above object, the utility model provides a following technical scheme: the liquid nitrogen pipe structure comprises a pipe body and a liquid outlet pipe fixed at the bottom of the pipe body, wherein a protective pipe is fixedly connected to the outer wall of the pipe body, a cavity is formed between the protective pipe and the pipe body, heat insulation cotton is filled in the protective pipe, a barometer is arranged at the top of the pipe body and penetrates through the protective pipe and the pipe body and extends into the pipe body, a protective block is integrally formed at the bottom of the pipe body, a connecting pipe is fixedly connected to the inside of the protective block and penetrates through the protective pipe and is fixed in the pipe body, the protective block is communicated with the pipe body through the connecting pipe, a fixed pipe is fixedly connected to the top of the liquid outlet pipe, an extension pipe is fixedly connected to the top of the fixed pipe, a first thread groove matched with the fixed pipe is formed in the protective block, and the fixed pipe is fixed in the protective block through the first thread groove in a threaded manner, and the extension pipe extends to the inside of the connecting pipe and is communicated with the pipe body, and the barometer is electrically connected with an external power supply.
Preferably, the depth of the first thread groove is greater than the length of the fixing tube.
Preferably, the outer wall of the fixed pipe is fixedly connected with a first thread ring, the first thread ring is matched with the first thread groove, and the fixed pipe is fixed inside the protection block through the matching screw joint of the first thread ring and the first thread groove.
Preferably, the outer wall of the extension pipe is fixedly connected with a second thread ring, a second thread groove matched with the second thread ring is formed in the connection pipe, and the extension pipe is fixed in the connection pipe through the matching screw joint of the second thread ring and the second thread groove.
Preferably, the outer wall of the first thread ring is respectively sleeved with a first sealing sleeve, and the first sealing sleeves are all rubber sleeves.
Preferably, the outer wall of the second thread ring is respectively sleeved with a second sealing sleeve, and the second sealing sleeves are all rubber sleeves.
Compared with the prior art, the beneficial effects of the utility model are that: in the utility model, the fixed pipe is fixed inside the protective block through the first thread groove in a threaded manner, when in use, a worker fixes the fixed pipe in the protective block in a threaded manner, the protective block protects the joint of the liquid outlet pipe and the pipe body, thereby avoiding the leakage caused by the damage of the joint of the liquid outlet pipe and the pipe body due to external collision, and then the first sealing sleeve and the second sealing sleeve made of rubber materials seal the gaps among the fixed pipe, the extension pipe, the protective block and the connecting pipe, thereby reducing the gaps among the fixed pipe, the extension pipe, the protective block and the connecting pipe, further increasing the sealing property between the liquid outlet pipe and the pipe body, preventing the leakage of liquid nitrogen, simultaneously isolating the pipe body in the protective pipe by the protective pipe and the heat insulation cotton surrounding the outer wall of the pipe body, avoiding the liquid nitrogen in the pipe body from being influenced by external temperature, and having strong practicability, the air pressure in the pipe body is monitored by the air pressure meter, the air pressure condition in the pipe body can be known through the air pressure meter, and the practicability is high.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the middle tube body and the fixed tube of the present invention;
FIG. 3 is a schematic structural view of the middle tube body and the protection tube of the present invention;
fig. 4 is a schematic structural view of the middle fixing pipe and the extension pipe of the present invention.
In the figure: 1. a pipe body; 11. a protective tube; 111. a cavity; 12. heat insulation cotton; 13. a barometer; 14. a protection block; 141. a first thread groove; 15. a connecting pipe; 151. a second thread groove; 2. a liquid outlet pipe; 21. a fixed tube; 211. a first thread turn; 212. a first seal cartridge; 22. an extension pipe; 221. a second thread turn; 222. and a second sealing sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: the liquid nitrogen pipe structure comprises a pipe body 1 and a liquid outlet pipe 2 fixed at the bottom of the pipe body, wherein a protective pipe 11 is fixedly connected to the outer wall of the pipe body 1, a cavity 111 is formed between the protective pipe 11 and the pipe body 1, heat insulation cotton 12 is filled in the protective pipe 11, a barometer 13 is arranged at the top of the pipe body 1, the barometer 13 penetrates through the protective pipe 11 and the pipe body 1 and extends into the pipe body 1, a protective block 14 is integrally formed at the bottom of the pipe body 1, a connecting pipe 15 is fixedly connected inside the protective block 14, the connecting pipe 15 penetrates through the protective pipe 11 and is fixed inside the pipe body 1, the protective block 14 is communicated with the pipe body 1 through the connecting pipe 15, a fixed pipe 21 is fixedly connected at the top of the liquid outlet pipe 2, an extending pipe 22 is fixedly connected at the top of the fixed pipe 21, a first thread groove 141 matched with the fixed pipe 21 is formed inside the protective block 14, the fixed, the extension tube 22 extends into the connection tube 15 and is connected to the tube 1, and the barometer 13 is electrically connected to an external power source.
In this embodiment: the outer wall of the tube body 1 is fixedly connected with a protective tube 11, a cavity 111 is arranged between the protective tube 11 and the tube body 1, heat insulation cotton 12 is filled in the protective tube 11, an air pressure gauge 13 is arranged at the top of the tube body 1, the air pressure gauge 13 penetrates through the protective tube 11 and the tube body 1 and extends to the interior of the tube body 1, when in use, the tube body 1 is isolated in the protective tube 11 by the protective tube 11 and the heat insulation cotton 12 which surround the outer wall of the tube body 1, the liquid nitrogen in the tube body 1 is prevented from being influenced by external temperature change, the practicability is strong, then the air pressure in the tube body 1 is monitored by the air pressure gauge 13, the air pressure condition in the tube body 1 can be known through the air pressure gauge 13, the practicability is strong, a protective block 14 is integrally formed at the bottom of the tube body 1, a connecting pipe 15 is fixedly connected to the interior of the protective block 14, the connecting pipe 15 penetrates through the, the top of the liquid outlet pipe 2 is fixedly connected with a fixed pipe 21, the top of the fixed pipe 21 is fixedly connected with an extension pipe 22, the interior of the protective block 14 is provided with a first thread groove 141 matched with the fixed pipe 21, the fixed pipe 21 is fixed in the protective block 14 through the first thread groove 141 in a threaded manner, the extension pipe 22 extends to the interior of the connecting pipe 15 and is communicated with the pipe body 1, a worker fixes the fixed pipe 21 in the protective block 14 in a threaded manner, the protective block 14 protects the joint of the liquid outlet pipe 2 and the pipe body 1, the leakage condition caused by the external collision damage of the joint of the liquid outlet pipe 2 and the pipe body 1 is avoided, then the first sealing sleeve 212 and the second sealing sleeve 222 made of rubber materials are used for sealing the gaps among the fixed pipe 21, the extension pipe 22, the protective block 14 and the connecting pipe 15, the gaps among the fixed pipe 21, the extension pipe 22, the protective block 14 and the connecting pipe 15 are reduced, the tightness between the liquid outlet pipe 2 and the pipe body 1 is further increased, so that the liquid nitrogen is prevented from leaking.
In fig. 1, 2 and 3: when the device is installed, a worker is screwed and fixed inside the protection block 14 through the matching of the first thread ring 211 and the second thread ring 221 with the first thread groove 141 and the second thread groove 151, the protection block 14 protects the joint of the liquid outlet pipe 2 and the pipe body 1, the leakage caused by the external collision damage of the joint of the liquid outlet pipe 2 and the pipe body 1 is avoided, then the first sealing sleeve 212 and the second sealing sleeve 222 made of rubber materials seal the gaps among the fixed pipe 21, the extension pipe 22, the protection block 14 and the connecting pipe 15, the gaps among the fixed pipe 21, the extension pipe 22, the protection block 14 and the connecting pipe 15 are reduced, the sealing performance between the liquid outlet pipe 2 and the pipe body 1 is further improved, the leakage of liquid nitrogen is prevented, when the device is used, the pipe body 1 is isolated in the protection pipe 11 through the protection pipe 11 and the heat insulation cotton 12 which surround the outer wall of the pipe body 1, the liquid nitrogen of having avoided in the body 1 receives the influence of outside temperature change, and the practicality is strong, monitors the atmospheric pressure in the body 1 by barometer 13 again, can learn the inside atmospheric pressure condition of body 1 through barometer 13, and the practicality is strong.
In fig. 2 and 4: when the device is installed, a worker fixes the device inside the protection block 14 through the matching screw joint of the first thread ring 211, the second thread ring 221, the first thread groove 141 and the second thread groove 151, the connection part of the liquid outlet pipe 2 and the pipe body 1 is protected by the protection block 14, the situation of leakage caused by the fact that the connection part of the liquid outlet pipe 2 and the pipe body 1 is damaged by external collision is avoided, the fixed pipe 21 is sealed by the first sealing sleeve 212 and the second sealing sleeve 222 made of rubber, the gap between the extension pipe 22 and the protection block 14 and the gap between the connection pipes 15 are sealed, the fixed pipe 21, the gap between the extension pipe 22 and the protection block 14 and the gap between the connection pipes 15 are reduced, the sealing performance between the liquid outlet pipe 2 and the pipe body 1 is further increased, and the situation of leakage of liquid nitrogen is prevented.
The utility model discloses a theory of operation and use flow: when the device is installed, a worker is screwed and fixed inside the protection block 14 through the matching of the first thread ring 211 and the second thread ring 221 with the first thread groove 141 and the second thread groove 151, the protection block 14 protects the joint of the liquid outlet pipe 2 and the pipe body 1, the leakage caused by the external collision damage of the joint of the liquid outlet pipe 2 and the pipe body 1 is avoided, then the first sealing sleeve 212 and the second sealing sleeve 222 made of rubber materials seal the gaps among the fixed pipe 21, the extension pipe 22, the protection block 14 and the connecting pipe 15, the gaps among the fixed pipe 21, the extension pipe 22, the protection block 14 and the connecting pipe 15 are reduced, the sealing performance between the liquid outlet pipe 2 and the pipe body 1 is further improved, the leakage of liquid nitrogen is prevented, when the device is used, the pipe body 1 is isolated in the protection pipe 11 through the protection pipe 11 and the heat insulation cotton 12 which surround the outer wall of the pipe body 1, the liquid nitrogen of having avoided in the body 1 receives the influence of outside temperature change, and the practicality is strong, monitors the atmospheric pressure in the body 1 by barometer 13 again, can learn the inside atmospheric pressure condition of body 1 through barometer 13, and the practicality is strong.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Liquid nitrogen tube structure, including body (1) and fix drain pipe (2) in its bottom, its characterized in that: the outer wall of the pipe body (1) is fixedly connected with a protective pipe (11), a cavity (111) is arranged between the protective pipe (11) and the pipe body (1), heat insulation cotton (12) is filled in the protective pipe (11), a barometer (13) is arranged at the top of the pipe body (1), the barometer (13) penetrates through the protective pipe (11) and the pipe body (1) and extends to the inside of the pipe body (1), a protective block (14) is integrally formed at the bottom of the pipe body (1), a connecting pipe (15) is fixedly connected in the protective block (14), the connecting pipe (15) penetrates through the protective pipe (11) and is fixed in the pipe body (1), the protective block (14) is communicated with the pipe body (1) through the connecting pipe (15), and a fixing pipe (21) is fixedly connected at the top of the liquid outlet pipe (2), the top fixedly connected with extension pipe (22) of fixed pipe (21), the inside of protection piece (14) seted up with fixed pipe (21) matched with first thread groove (141), fixed pipe (21) pass through first thread groove (141) spiro union is fixed the inside of protection piece (14), just extension pipe (22) extend to the inside of connecting pipe (15) and with body (1) is linked together, barometer (13) and external power source electric connection.
2. The liquid nitrogen tube structure of claim 1, wherein: the depth of the first thread groove (141) is greater than the length of the fixed pipe (21).
3. The liquid nitrogen tube structure of claim 1, wherein: the outer wall of the fixed pipe (21) is fixedly connected with a first thread ring (211), the first thread ring (211) is matched with the first thread groove (141), and the fixed pipe (21) is fixed inside the protection block (14) through the matching threaded connection of the first thread ring (211) and the first thread groove (141).
4. The liquid nitrogen tube structure of claim 1, wherein: the outer wall of the extension pipe (22) is fixedly connected with a second thread ring (221), a second thread groove (151) matched with the second thread ring (221) is formed in the connection pipe (15), and the extension pipe (22) is fixed in the connection pipe (15) through the matching screw joint of the second thread ring (221) and the second thread groove (151).
5. The liquid nitrogen tube structure of claim 3, wherein: the outer wall of the first thread ring (211) is respectively sleeved with a first sealing sleeve (212), and the first sealing sleeve (212) is made of rubber sleeves.
6. The liquid nitrogen tube structure of claim 4, wherein: the outer wall of the second thread ring (221) is respectively sleeved with a second sealing sleeve (222), and the second sealing sleeves (222) are all rubber sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021510900.8U CN212644253U (en) | 2020-07-28 | 2020-07-28 | Liquid nitrogen pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021510900.8U CN212644253U (en) | 2020-07-28 | 2020-07-28 | Liquid nitrogen pipe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212644253U true CN212644253U (en) | 2021-03-02 |
Family
ID=74764146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021510900.8U Active CN212644253U (en) | 2020-07-28 | 2020-07-28 | Liquid nitrogen pipe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212644253U (en) |
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2020
- 2020-07-28 CN CN202021510900.8U patent/CN212644253U/en active Active
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