CN210128243U - LNG gas cylinder capacitanc level sensor's anti-vibration casing - Google Patents
LNG gas cylinder capacitanc level sensor's anti-vibration casing Download PDFInfo
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- CN210128243U CN210128243U CN201920997381.3U CN201920997381U CN210128243U CN 210128243 U CN210128243 U CN 210128243U CN 201920997381 U CN201920997381 U CN 201920997381U CN 210128243 U CN210128243 U CN 210128243U
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- inner tube
- spring
- insulating sleeve
- level sensor
- insulating cover
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Abstract
The application discloses LNG gas cylinder capacitanc level sensor's anti-vibration casing, inner tube and outer tube including coaxial setting, the upper and lower both ends correspondence of inner tube is equipped with inner tube inner wall interference fit's last insulating cover and lower insulating cover, the upper and lower two sections of going up the insulating cover set up respectively in the outer and inner tube of inner tube, the upper and lower two sections of insulating cover set up respectively including the inner tube and the inner tube outside, its characterized in that down: the upper end and the lower end of the outer pipe are correspondingly provided with an upper seal head and a lower seal head which are connected with the outer pipe in a welding mode, a spring is arranged between the bottom of the upper seal head and the upper section of the upper insulating sleeve, and the spring and the inner pipe are arranged coaxially. The shell is connected with the insulating sleeve through the two end welding seal heads and the spring, and the insulating sleeve is prevented from generating a gap between the shell and the inner tube when being shrunk by the spring force, so that the inner tube jolts and jumps up and down, internal parts are damaged, and the stability of the shell is improved due to structural change.
Description
Technical Field
The application relates to the field of capacitive liquid level sensors, in particular to an anti-vibration shell of a capacitive liquid level sensor of an LNG gas cylinder.
Background
The LNG is liquefied natural gas, and is a clean energy source internationally recognized at present due to its characteristics of being colorless, odorless, nontoxic and noncorrosive, and free from environmental pollution caused by combustion and discharge, and its volume is about 1/600 of the volume of the same amount of gaseous natural gas, and the weight of the LNG is only about 45% of the same volume of water. Besides being widely applied to industry, urban residents and families, the automobile energy-saving gasoline can also be used as automobile energy to replace gasoline and diesel oil. In order to measure the liquid level of the LNG cylinder, a capacitive liquid level sensor is required to be installed on the LNG cylinder.
At present, under the low temperature condition, insulating cover in the capacitive level sensor casing can be because low temperature influences atrophy, and form the space between the inner tube, and the inner tube rocks from top to bottom in the transportation to lead to the internals to damage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a LNG gas cylinder capacitanc level sensor's anti-vibration casing to overcome not enough among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
the embodiment of the application discloses LNG gas cylinder capacitanc level sensor's anti-vibration casing, inner tube and outer tube including coaxial setting, the upper and lower both ends correspondence of inner tube is equipped with and goes up insulating cover and lower insulating cover with inner tube inner wall interference fit, go up the upper and lower two sections of setting of insulating cover respectively in the outer and inner tube of inner tube, the upper and lower two sections of insulating cover set up respectively including intraductal and interior outside of tubes, its characterized in that down: the upper end and the lower end of the outer pipe are correspondingly provided with an upper seal head and a lower seal head which are connected with the outer pipe in a welding mode, a spring is arranged between the bottom of the upper seal head and the upper section of the upper insulating sleeve, and the spring and the inner pipe are arranged coaxially.
Preferably, in the anti-vibration shell of the capacitance type liquid level sensor for the LNG cylinder, metal gaskets are arranged at the joints of the upper end and the lower end of the inner tube and the upper insulating sleeve and the lower insulating sleeve.
Preferably, in the anti-vibration shell of the capacitive liquid level sensor for the LNG cylinder, a spring fixing member is arranged at a joint of the upper insulating sleeve and the spring.
Preferably, in the anti-vibration shell of the capacitive liquid level sensor for the LNG cylinder, the spring fixing piece is provided with a limiting piece connected with the inner wall of the outer tube in a protruding manner.
Preferably, in the anti-vibration shell of the capacitive liquid level sensor for the LNG cylinder, the upper insulating sleeve and the lower insulating sleeve are both made of tetrafluoro material.
Compared with the prior art, the utility model has the advantages of:
the shell is connected with the insulating sleeve through the two end welding seal heads and the spring, and the insulating sleeve is prevented from generating a gap between the shell and the inner tube when being shrunk by the spring force, so that the inner tube jolts and jumps up and down, internal parts are damaged, and the stability of the shell is improved due to structural change.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 shows the utility model discloses in the embodiment of the utility model provides an in the structural schematic diagram of LNG gas cylinder capacitanc level sensor's anti-vibration casing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below with reference to the 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 efforts belong to the protection scope of the present invention.
Referring to fig. 1, the anti-vibration housing of the capacitive liquid level sensor for the LNG cylinder in the embodiment includes an inner tube 1 and an outer tube 2 which are coaxially disposed, an upper insulating sleeve 3 and a lower insulating sleeve 4 which are in interference fit with an inner wall of the inner tube 1 are correspondingly disposed at upper and lower ends of the inner tube 1, an upper section and a lower section of the upper insulating sleeve 3 are respectively disposed outside the inner tube 1 and inside the inner tube 1, an upper section and a lower section of the lower insulating sleeve 4 are respectively disposed inside the inner tube 1 and outside the inner tube 1, an upper sealing head 5 and a lower sealing head 6 which are welded to the outer tube are correspondingly disposed at upper and lower ends of the outer tube 2, a spring 7 is disposed between a bottom of the upper sealing head 5 and an upper section of the.
Further, the upper insulating sleeve 3 and the lower insulating sleeve 4 are both made of tetrafluoro material.
In the technical scheme, the shell is connected with the insulating sleeve through the two end welding seal heads and the spring, and the insulating sleeve is prevented from generating a gap between the shell and the inner tube due to the spring force when being shrunk, so that the inner tube jolts and jumps up and down, internal parts are damaged, and the stability of the shell is improved due to structural change.
In one embodiment, metal gaskets 8 are arranged at the joints of the upper end and the lower end of the inner pipe 1 and the upper insulating sleeve 3 and the lower insulating sleeve 4.
In this technical scheme, the LNG jar body when evacuation, the temperature can sharply rise and lead to rolling up first cover and being heated the inflation and soften, and the inner tube is thin afterwards, receives the extrusion can imbed insulating cover and damage insulating cover, consequently increases the gasket and increases its and insulating cover's atress area, prevents that insulating cover from damaging.
In one embodiment, a spring fixing member 9 is provided at the connection of the upper insulating sleeve 3 and the spring 7.
Furthermore, the spring fixing part 9 is provided with a limiting part 10 connected with the inner wall of the outer tube 2 in a protruding way.
In this technical scheme, fixed to the spring through the spring mounting, increase with the lifting surface area of insulating cover, avoid the spring embedding insulating cover to lead to insulating cover to damage, even locating part all around guarantees that the spring is coaxial setting with the inner tube all the time, convenient and outer tube internals.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a detailed description of the present application, and it should be noted that modifications and embellishments could be made by those skilled in the art without departing from the principle of the present application, and these should also be considered as the protection scope of the present application.
Claims (5)
1. The utility model provides a LNG gas cylinder capacitanc level sensor's anti-vibration casing, includes the inner tube and the outer tube of coaxial setting, the upper and lower both ends correspondence of inner tube is equipped with inner tube inner wall interference fit's last insulating cover and insulating cover down, go up the upper and lower two sections of setting of insulating cover respectively in the outer of inner tube and inner tube, the upper and lower two sections of insulating cover set up respectively including the inner tube and the outer of inner tube, its characterized in that down: the upper end and the lower end of the outer pipe are correspondingly provided with an upper seal head and a lower seal head which are connected with the outer pipe in a welding mode, a spring is arranged between the bottom of the upper seal head and the upper section of the upper insulating sleeve, and the spring and the inner pipe are arranged coaxially.
2. The anti-vibration shell of the LNG cylinder capacitance type liquid level sensor as claimed in claim 1, characterized in that: and metal gaskets are arranged at the joints of the upper end and the lower end of the inner pipe and the upper insulating sleeve and the lower insulating sleeve.
3. The anti-vibration shell of the LNG cylinder capacitance type liquid level sensor as claimed in claim 1, characterized in that: and a spring fixing piece is arranged at the joint of the upper insulating sleeve and the spring.
4. The anti-vibration shell of the LNG cylinder capacitance type liquid level sensor is characterized in that: and limiting parts connected with the inner wall of the outer pipe are convexly arranged on the periphery of the spring fixing part.
5. The anti-vibration shell of the LNG cylinder capacitance type liquid level sensor as claimed in claim 1, characterized in that: the upper insulating sleeve and the lower insulating sleeve are both made of tetrafluoro materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920997381.3U CN210128243U (en) | 2019-06-28 | 2019-06-28 | LNG gas cylinder capacitanc level sensor's anti-vibration casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920997381.3U CN210128243U (en) | 2019-06-28 | 2019-06-28 | LNG gas cylinder capacitanc level sensor's anti-vibration casing |
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| Publication Number | Publication Date |
|---|---|
| CN210128243U true CN210128243U (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920997381.3U Active CN210128243U (en) | 2019-06-28 | 2019-06-28 | LNG gas cylinder capacitanc level sensor's anti-vibration casing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220112A (en) * | 2019-06-28 | 2019-09-10 | 苏州赛智达智能科技有限公司 | The against shock shell of LNG gas cylinder capacitance level transducer |
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2019
- 2019-06-28 CN CN201920997381.3U patent/CN210128243U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220112A (en) * | 2019-06-28 | 2019-09-10 | 苏州赛智达智能科技有限公司 | The against shock shell of LNG gas cylinder capacitance level transducer |
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