CN204127661U - The multi-sealed joint of LNG gas cylinder liquid level sensor signaling line - Google Patents
The multi-sealed joint of LNG gas cylinder liquid level sensor signaling line Download PDFInfo
- Publication number
- CN204127661U CN204127661U CN201420507108.5U CN201420507108U CN204127661U CN 204127661 U CN204127661 U CN 204127661U CN 201420507108 U CN201420507108 U CN 201420507108U CN 204127661 U CN204127661 U CN 204127661U
- Authority
- CN
- China
- Prior art keywords
- mouth
- sealing
- level sensor
- liquid level
- bulb housing
- 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.)
- Expired - Lifetime
Links
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to the multi-sealed joint of a kind of LNG gas cylinder liquid level sensor signaling line, comprises sealing joint, Sealing, bulb housing, fastening nut, liquid level sensor signaling line.The sealed end of sealing joint is provided with lower seal mouth, the first cylindricality mouth that lower seal mouth comprises the first taper mouth and is connected with the first taper mouth upper end, the bottom of Sealing be provided with respectively with hypocone and the lower vertical portion of the first taper mouth, the first cylindricality mouth corresponding matching; The spherical head of bulb housing offers sealed mouth, the second cylindricality mouth that upper sealed mouth comprises the second taper mouth and is connected with the second taper mouth lower end, the top of Sealing be provided with respectively with upper tapering and the upper vertical portion of the second taper mouth, the second cylindricality mouth corresponding matching, the top of Sealing is also provided with the horizontal bench portion supporting with the spherical head of bulb housing and coordinate.Sealing joint structure advantages of simple, fixing reliable, good airproof performance, effectively can solve the generally gas leakage of SEALING FITTING and cause the problems such as level sensor fault.
Description
Technical field
The utility model relates to a kind of SEALING FITTING, particularly a kind of multi-sealed joint for LNG gas cylinder liquid level sensor signaling line.
Background technique
LNG (LNG Liquefied natural gas) is due to colourless, tasteless, nontoxic and non-corrosiveness, burning and exhausting environmentally safe, it is the clean energy resource of generally acknowledging in the world at present, the weight that its volume is about with measure gaseous natural gas volume 1/600, LNG is only about 45% of consubstantiality ponding.Except being used widely in industry, city dweller family, also replace gasoline and diesel oil as energy source of car.In order to measure the liquid level of LNG gas cylinder, just needing, in LNG gas cylinder, liquid level sensor is installed, and draw liquid level sensor signaling line in LNG gas cylinder.Because LNG gas cylinder must have good sealability and Safety performance when liquid level sensor signaling line is drawn, and the sealing of existing low-temperature liquid gas liquid level sensor signaling line SEALING FITTING is undesirable, flammable explosive gas in tank is easily caused slightly to reveal, although can not security incident be caused, but the micro-cryogenic gas leaked can along sensor signal lines entering signal processing unit, cause liquid level sensor to measure inaccurate, even damage.For this reason, many manufacturers and knowledgeable people have carried out development for the problems referred to above, but not yet have comparatively ideal product to emerge so far.
Summary of the invention
The purpose of this utility model is the deficiency overcoming above-mentioned prior art, provides a kind of multi-sealed joint of LNG gas cylinder liquid level sensor signaling line of simple and reasonable, fixing reliable, good seal performance.
The purpose of this utility model is achieved by the following technical programs:
The multi-sealed joint of a kind of LNG gas cylinder liquid level sensor signaling line, comprise sealing joint, Sealing, bulb housing, fastening nut, liquid level sensor signaling line, bulb housing is locked at the sealed end of sealing joint by fastening nut, Sealing is arranged between the spherical head of bulb housing and sealing joint, and liquid level sensor signaling line is drawn from sealing joint and passed Sealing and stretches in bulb housing; The sealed end of described sealing joint is provided with lower seal mouth, the first cylindricality mouth that described lower seal mouth comprises the first taper mouth and is connected with the first taper mouth upper end, the bottom of described Sealing be provided with respectively with hypocone and the lower vertical portion of the first taper mouth, the first cylindricality mouth corresponding matching; The spherical head of described bulb housing offers sealed mouth, the second cylindricality mouth that described upper sealed mouth comprises the second taper mouth and is connected with the second taper mouth lower end, the top of described Sealing be provided with respectively with upper tapering and the upper vertical portion of the second taper mouth, the second cylindricality mouth corresponding matching, the top of described Sealing is also provided with the horizontal bench portion supporting with the spherical head of bulb housing and coordinate.
Further, described lower seal mouth also comprises the horn mouth be connected with the first cylindricality mouth upper end, and the spherical head of described bulb housing stretches in this horn mouth.
Further, described liquid level sensor signaling line stretches in bulb housing and is connected with a contact pin, and described contact pin one end is drawn from the upper end of bulb housing, and glass-encapsulated is passed through at extraction position.
Further, the outer wall of described sealing joint is socketed with a lock nut for preventing fastening nut from loosening.
Further, described Sealing is made up of polytetrafluoroethylmaterial material.
By technique scheme, the utility model compared with prior art tool has the following advantages:
1, good airproof performance, devises multi-sealing structure.On the one hand, the reliable sealing between bulb housing and sealing joint is realized by the spherical head press seal part of bulb housing; On the other hand, make it to produce distortion by the upper and lower Bidirectional compacting Sealing of the first taper mouth of the second taper mouth of bulb housing and sealing joint, realize the two way sealed to liquid level sensor signaling line, simultaneously, under the backstop action of the first cylindricality mouth and the second cylindricality mouth, Sealing position, intermediate portion in compressive deformation process can be avoided to occur external drum phenomenon, thus ensure that Sealing all contacts with liquid level sensor signaling line holding surface from start to finish, and then make its sealing effect reach the optimum state; Again on the one hand, bulb housing and contact pin are drawn between position and are passed through glass-encapsulated, the perfect further sealability of joint.
2, fixing reliable, by fastening nut and lock nut double locking between bulb housing and sealing joint, can prevent joint from surprisingly throwing off, guarantee the reliability of work.
3, simple and reasonable, dismounting is all very convenient, and fabricating cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model SEALING FITTING;
Fig. 2 is the structural representation sealing joint in the utility model;
Fig. 3 is the structural representation of bulb housing in the utility model;
Fig. 4 is the structural representation of Sealing in the utility model.
Embodiment
The embodiment provided below in conjunction with accompanying drawing is described in further detail the utility model.
As shown in Figures 1 to 4, the multi-sealed joint of a kind of LNG gas cylinder liquid level sensor signaling line, comprises sealing joint 1, Sealing 2, bulb housing 3, fastening nut 4, liquid level sensor signaling line 5.Wherein, bulb housing 3 is locked at the sealed end of sealing joint 1 by fastening nut 4, Sealing 2 is arranged between the spherical head 31 of bulb housing 3 and sealing joint 1, and liquid level sensor signaling line 5 is drawn from sealing joint 1 and passed Sealing 2 and stretches in bulb housing 3.The sealed end of sealing joint 1 is provided with lower seal mouth 11, the first cylindricality mouth 112 that lower seal mouth 11 comprises the first taper mouth 111 and is connected with the first taper mouth 111 upper end, the bottom of Sealing 2 be provided with respectively with hypocone 21 and the lower vertical portion 22 of the first taper mouth 111, first cylindricality mouth 112 corresponding matching.The spherical head 31 of bulb housing 3 offers sealed mouth 32, the second cylindricality mouth 322 that upper sealed mouth 32 comprises the second taper mouth 321 and is connected with the second taper mouth 321 lower end, the top of Sealing 2 be provided with respectively with upper tapering 23 and the upper vertical portion 24 of the second taper mouth 321, second cylindricality mouth 322 corresponding matching, the top of Sealing 2 is also provided with supports with the spherical head 31 of bulb housing 3 the horizontal bench portion 25 coordinated.
Preferably, lower seal mouth 11 also comprises the horn mouth 113 be connected with the first cylindricality mouth 112 upper end, and the spherical head 31 of bulb housing 3 stretches in this horn mouth 113.
Preferably, liquid level sensor signaling line 5 stretches in bulb housing 3 and is connected with a contact pin 6, and contact pin 6 one end is drawn from the upper end of bulb housing 3, and glass-encapsulated is passed through at extraction position 7.
Preferably, the outer wall of sealing joint 1 being socketed with a lock nut 8 for preventing fastening nut 4 from loosening, in order to avoid joint surprisingly to throw off, guaranteeing the reliability of work.
Preferably, Sealing 2 is made up of polytetrafluoroethylmaterial material.
As mentioned above, the multi-sealed principle of the utility model SEALING FITTING is as follows: first, realizes the reliable sealing between bulb housing 3 and sealing joint 1 by the spherical head 31 press seal part 2 of bulb housing 3.Secondly, make it to produce be out of shape by the second taper mouth 321 of bulb housing 3 and the first taper mouth 111 about Bidirectional compacting Sealing 2 of sealing joint 1, realize the two way sealed to liquid level sensor signaling line 5, simultaneously, under the backstop action of the first cylindricality mouth 112 and the second cylindricality mouth 322, Sealing 2 position, intermediate portion in compressive deformation process can be avoided to occur external drum phenomenon, thus ensure that Sealing 2 all contacts with liquid level sensor signaling line 5 holding surface from start to finish, and then its sealing effect is made to reach the optimum state.Again, bulb housing 3 and contact pin 6 are drawn by glass-encapsulated between position, the perfect further sealability of joint.
By this multi-sealing structure, thus solve generally leaking gas and causing the problem of level sensor fault of SEALING FITTING, and the security hidden trouble that Liquified gas leakage causes.SEALING FITTING of the present utility model is except sealing for LNG gas cylinder sealing fluid level sensor signaling line, the sealing of the liquid level sensor signaling line of other cryogenic high pressure liquified petroleum gas cylinder can also be applied in, as liquid nitrogen, liquid oxygen, liquid CO, liquid carbon dioxide, all can according to the utility model choose reasonable application and applied environment.
As described above, be only the preferred embodiment that this is novel, when can not limit the scope of this novel enforcement with this, the simple equivalence change namely generally done according to this novel claim and novel description with modify, all still belong in scope that this new patent contains.
Claims (5)
1. the multi-sealed joint of LNG gas cylinder liquid level sensor signaling line, comprise sealing joint, Sealing, bulb housing, fastening nut, liquid level sensor signaling line, bulb housing is locked at the sealed end of sealing joint by fastening nut, Sealing is arranged between the spherical head of bulb housing and sealing joint, and liquid level sensor signaling line is drawn from sealing joint and passed Sealing and stretches in bulb housing; It is characterized in that:
The sealed end of described sealing joint is provided with lower seal mouth, the first cylindricality mouth that described lower seal mouth comprises the first taper mouth and is connected with the first taper mouth upper end, the bottom of described Sealing be provided with respectively with hypocone and the lower vertical portion of the first taper mouth, the first cylindricality mouth corresponding matching;
The spherical head of described bulb housing offers sealed mouth, the second cylindricality mouth that described upper sealed mouth comprises the second taper mouth and is connected with the second taper mouth lower end, the top of described Sealing be provided with respectively with upper tapering and the upper vertical portion of the second taper mouth, the second cylindricality mouth corresponding matching, the top of described Sealing is also provided with the horizontal bench portion supporting with the spherical head of bulb housing and coordinate.
2. the multi-sealed joint of LNG gas cylinder liquid level sensor signaling line according to claim 1, is characterized in that: described lower seal mouth also comprises the horn mouth be connected with the first cylindricality mouth upper end, and the spherical head of described bulb housing stretches in this horn mouth.
3. the multi-sealed joint of LNG gas cylinder liquid level sensor signaling line according to claim 2, it is characterized in that: described liquid level sensor signaling line stretches in bulb housing and is connected with a contact pin, described contact pin one end is drawn from the upper end of bulb housing, and glass-encapsulated is passed through at extraction position.
4. the multi-sealed joint of LNG gas cylinder liquid level sensor signaling line according to claim 1 or 2 or 3, is characterized in that: the outer wall of described sealing joint is socketed with one for prevent fastening nut loosen lock nut.
5. the multi-sealed joint of LNG gas cylinder liquid level sensor signaling line according to claim 1 or 2 or 3, is characterized in that: described Sealing is made up of polytetrafluoroethylmaterial material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420507108.5U CN204127661U (en) | 2014-09-03 | 2014-09-03 | The multi-sealed joint of LNG gas cylinder liquid level sensor signaling line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420507108.5U CN204127661U (en) | 2014-09-03 | 2014-09-03 | The multi-sealed joint of LNG gas cylinder liquid level sensor signaling line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204127661U true CN204127661U (en) | 2015-01-28 |
Family
ID=52384017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420507108.5U Expired - Lifetime CN204127661U (en) | 2014-09-03 | 2014-09-03 | The multi-sealed joint of LNG gas cylinder liquid level sensor signaling line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204127661U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655943A (en) * | 2015-12-29 | 2016-06-08 | 楚天科技股份有限公司 | Sealing joint for vacuum equipment, signal line wiring method and freeze drying box |
| CN105782713A (en) * | 2016-04-22 | 2016-07-20 | 广东建成机械设备有限公司 | Signal line isolation device for interlayer container and temperature measuring system |
| CN107013805A (en) * | 2017-05-15 | 2017-08-04 | 江西制氧机有限公司 | A kind of vacuum insulation vessel temperature measurement system |
| CN115137201A (en) * | 2021-03-31 | 2022-10-04 | 佛山市顺德区美的电热电器制造有限公司 | Cooking device and rice ball preparation equipment |
-
2014
- 2014-09-03 CN CN201420507108.5U patent/CN204127661U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655943A (en) * | 2015-12-29 | 2016-06-08 | 楚天科技股份有限公司 | Sealing joint for vacuum equipment, signal line wiring method and freeze drying box |
| CN105782713A (en) * | 2016-04-22 | 2016-07-20 | 广东建成机械设备有限公司 | Signal line isolation device for interlayer container and temperature measuring system |
| CN105782713B (en) * | 2016-04-22 | 2018-05-29 | 广东建成机械设备有限公司 | A kind of signal wire isolating device and temperature measurement system for jacketed vessel |
| CN107013805A (en) * | 2017-05-15 | 2017-08-04 | 江西制氧机有限公司 | A kind of vacuum insulation vessel temperature measurement system |
| CN115137201A (en) * | 2021-03-31 | 2022-10-04 | 佛山市顺德区美的电热电器制造有限公司 | Cooking device and rice ball preparation equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204127661U (en) | The multi-sealed joint of LNG gas cylinder liquid level sensor signaling line | |
| CN104075855B (en) | A kind of pipe adapter leak detection apparatus | |
| CN202868301U (en) | Leakage stopping device for steel bottle valve | |
| CN201172523Y (en) | An adjustable gantry tube containment pressure relief plugging device | |
| CN203099328U (en) | Sealing joint of liquid level sensor signal line of LNG (Liquefied Natural Gas) cylinder | |
| CN201540188U (en) | Air-tightness detection tool | |
| CN206648790U (en) | A kind of calibrating installation of airtight leak detector | |
| CN204008030U (en) | A kind of pipe adapter leak detection apparatus | |
| CN204101244U (en) | Gas-holder end cap air tightness detection machine | |
| CN203488727U (en) | Christmas tree well mouth sampling anti-theft valve | |
| CN201145122Y (en) | Pipe close piece | |
| CN201715176U (en) | Inner end plug capable of plugging tube | |
| CN102808978A (en) | Inflation and deflation device for container | |
| CN202547880U (en) | Leak detector for welding lines of compressor barrels | |
| CN205826224U (en) | A kind of packing container air-tight test Quick Connect Kit | |
| CN201715175U (en) | External plug for plugging pipelines | |
| CN206407191U (en) | A kind of polysulfide sealant vacuum binder accessory system | |
| CN205060477U (en) | Wine jar encapsulation compresses tightly subassembly | |
| CN205607611U (en) | On -vehicle gas pitcher dispensing head helium gas detection of liquefied natural gas leaks frock | |
| CN204437681U (en) | A kind of gas cylinder vacuum-pumping density seal apparatus | |
| CN212055823U (en) | A pipeline temperature measuring device | |
| CN203286271U (en) | Device for treating dead liquid chlorine steel cylinders | |
| CN204201457U (en) | A kind of Novel welding gas cylinder | |
| CN204214607U (en) | Liquefied natural gas bottle inner bag detection cubing | |
| CN202275778U (en) | Enclosed relay filled with gas/liquid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150128 |
|
| CX01 | Expiry of patent term |