CN211697094U

CN211697094U - Liquefied natural gas sampler

Info

Publication number: CN211697094U
Application number: CN202020320324.4U
Authority: CN
Inventors: 李建芳; 冯星星; 詹大富
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-10-16
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses a liquefied natural gas sampler, include screw cap, barrel holder and stir the ring, the barrel holder includes a stainless steel section of thick bamboo, the bottom of a stainless steel section of thick bamboo is connected with T type pipe, two spouts have been seted up about its axis symmetry to the outer wall of a stainless steel section of thick bamboo, the inside of a stainless steel section of thick bamboo is fixed with the glass pipe, the inside sliding connection of glass pipe has the piston, the outer wall of piston has cup jointed the rubber circle, the inside of piston is fixed with two second rubidium magnets about its axis symmetry embedding. The utility model discloses in, cup joint the ring of dialling at the outer wall of a stainless steel section of thick bamboo, utilize the magnetism between first rubidium magnet and the second rubidium magnet to inhale the characteristic for operating personnel takes piston synchronous motion when the ring removes is dialled in the pulling, and whole liquefied natural gas sampler does not have the pull rod structure like this, can avoid because of touching the problem that the pull rod leads to the piston to remove, and the sampler can regard as the container directly to preserve gas like this, thereby saves the process that gaseous shifts once more, and the practicality is strong.

Description

Liquefied natural gas sampler

Technical Field

The utility model relates to a natural gas detects technical field, concretely relates to liquefied natural gas sampler.

Background

The Liquefied Natural Gas (LNG) mainly contains methane, is colorless, tasteless, nontoxic and noncorrosive, has a volume which is about 1/625 of the volume of the same amount of gaseous natural gas, and has a mass which is only about 45% of the same volume of water. The manufacturing process comprises purifying natural gas produced in a gas field, liquefying at a series of ultralow temperatures, and transporting by using a tank body. After the liquefied natural gas is combusted, the pollution to the air is very small, and the heat emitted by the liquefied natural gas is large, so the liquefied natural gas is a relatively advanced energy source. The liquefied natural gas is liquid after the natural gas is compressed and cooled to the boiling point temperature, and the liquefied natural gas is usually stored in a low-temperature storage tank at-161.5 ℃ and about 0.1 MPa. The main component of the methane is methane, and the methane is transported by a special ship or an oil tank truck and is gasified again when in use.

The existing liquefied natural gas sampler is mostly an injection tubular structure, drives the piston to move through the pull rod, inhales gas inside the injection tube, and since the self pull rod of the injection tube is longer in length, the normal injection tube is influenced to be accomodate, so the gas in the injection tube is required to be accommodated in a special container, and the whole operation process is complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the gas collecting process of the conventional liquefied natural gas sampler is complicated, the liquefied natural gas sampler is provided.

The purpose of the utility model can be realized by the following technical scheme:

a liquefied natural gas sampler comprises a threaded cover, a barrel frame and a shifting ring, wherein the barrel frame comprises a stainless steel barrel, the bottom end of the stainless steel barrel is connected with a T-shaped pipe, the outer wall of the stainless steel barrel is symmetrically provided with two sliding grooves around the axis of the stainless steel barrel, a glass pipe is fixed inside the stainless steel barrel, a piston is connected inside the glass pipe in a sliding manner, the outer wall of the piston is sleeved with a rubber ring, two second rubidium magnets are symmetrically embedded and fixed inside the piston around the axis of the piston, and the outer wall of the top end of the stainless steel barrel is screwed and connected with the threaded cover;

the outer wall of the stainless steel cylinder is sleeved with a poking ring in a sliding mode, the poking ring comprises a C-shaped ring which is sleeved with the outer wall of the stainless steel cylinder in a sliding mode, a rubber pad which is in sliding connection with the sliding groove in the corresponding position is fixed on the inner wall of the C-shaped ring, and a first rubidium magnet is fixedly embedded into the position, corresponding to the rubber pad, in the C-shaped ring.

As a further aspect of the present invention: the stainless steel cylinder is characterized in that a scale groove is formed in the outer wall of the stainless steel cylinder, the position, corresponding to the scale groove, of the glass tube is marked with volume scales, and the glass tube is marked with the volume scales, so that an operator can conveniently and directly read the volume.

As a further aspect of the present invention: two the magnetism of second rubidium magnet opposite face is opposite, first rubidium magnet is opposite with the outside magnetism of the second rubidium magnet that closes on, utilizes the magnetism characteristic of inhaling between first rubidium magnet and the second rubidium magnet like this, drives piston synchronous motion when stirring the ring.

As a further aspect of the present invention: the novel sealing device is characterized in that a first limiting outer ring and a second limiting outer ring are respectively embedded and fixed in the bottom port and the side wall port of the T-shaped pipe, a first limiting inner ring is fixed on the inner wall of the vertical part of the T-shaped pipe, a second limiting inner ring is fixed on the inner wall of the horizontal part of the T-shaped pipe, a first rubber ball is arranged in the T-shaped pipe between the first limiting inner ring and the first limiting outer ring, a second rubber ball is arranged in the T-shaped pipe between the second limiting inner ring and the second limiting outer ring, a first return spring is connected between the first rubber ball and the first limiting inner ring, a second return spring is connected between the second rubber ball and the second limiting outer ring, and by means of the structure, an operator can seal and block gas to avoid gas overflow when the drawing piston absorbs and releases gas.

As a further aspect of the present invention: the both ends of glass pipe all the adhesion be fixed with the rubber circle pad, can improve the leakproofness of glass pipe through fixed rubber circle pad.

As a further aspect of the present invention: the driving lever is fixed at the center of the outer wall of the C-shaped ring, and the C-shaped ring is convenient to move by the aid of the driving lever.

The utility model has the advantages that:

1. the bottom end of a stainless steel cylinder of a cylinder frame is connected with a T-shaped pipe, the outer wall of the stainless steel cylinder is provided with two sliding chutes, a glass pipe is fixed inside the stainless steel cylinder, the inner part of the glass pipe is connected with a piston of which the outer wall is sleeved with a rubber ring in a sliding manner, the inner part of the piston is fixed with two second rubidium magnets, the outer wall of the stainless steel cylinder is sleeved with a stirring ring in a sliding manner, the inner wall of a C-shaped ring of the stirring ring is fixed with a rubber pad which is in sliding connection with the sliding chute at a corresponding position, the position of the inner part of the C-shaped ring corresponding to the rubber pad is embedded and fixed with a first rubidium magnet, a traditional injection cylinder pull rod is cancelled, the outer wall of the stainless steel cylinder is sleeved with the stirring ring, and an operator pulls the stirring ring to move by utilizing the magnetic attraction characteristic between the first rubidium magnet and the second rubidium magnet, the piston is driven to move, the problem that the piston moves due to the fact that the pull rod is touched can be avoided, the sampler can be used as a container to directly store gas, the process that the gas is transferred again is omitted, and the practicability is high.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of the structure of the liquefied natural gas sampler of the present invention;

FIG. 2 is an exploded view of the LNG sampler of the present invention;

FIG. 3 is a schematic structural view of the cartridge holder of the present invention;

FIG. 4 is a schematic view of the internal structure of the T-shaped pipe of the present invention;

FIG. 5 is a schematic structural view of a toggle ring of the present invention;

fig. 6 is a horizontal cross-sectional view of the piston of the present invention.

In the figure: 100. a threaded cap; 200. a barrel frame; 210. a stainless steel cylinder; 220. a chute; 230. a T-shaped pipe; 231. a first return spring; 232. a first limit inner ring; 233. a second limit inner ring; 234. a second return spring; 235. a first limit outer ring; 236. a first rubber ball; 237. a second rubber ball; 238. a second limit outer ring; 240. a scale groove; 300. a dial ring; 310. a rubber pad; 320. a deflector rod; 330. a C-shaped ring; 340. a first rubidium magnet; 400. a piston; 410. a second rubidium magnet; 420. a rubber ring; 500. a glass tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, a liquefied natural gas sampler includes a threaded cover 100, a barrel holder 200 and a toggle ring 300, wherein the barrel holder 200 includes a stainless steel barrel 210, the bottom end of the stainless steel barrel 210 is connected with a T-shaped tube 230, two sliding grooves 220 are symmetrically formed in the outer wall of the stainless steel barrel 210 about the axis thereof, a glass tube 500 is fixed inside the stainless steel barrel 210, a piston 400 is slidably connected inside the glass tube 500, a rubber ring 420 is sleeved on the outer wall of the piston 400, two second rubidium magnets 410 are symmetrically embedded and fixed inside the piston 400 about the axis thereof, and the threaded cover 100 is screwed on the outer wall of the top end of the stainless steel barrel 210;

the outer wall of the stainless steel cylinder 210 is sleeved with the toggle ring 300 in a sliding manner, the toggle ring 300 comprises a C-shaped ring 330 which is sleeved with the outer wall of the stainless steel cylinder 210 in a sliding manner, a rubber pad 310 which is in sliding connection with the sliding groove 220 at the corresponding position is fixed on the inner wall of the C-shaped ring 330, and a first rubidium magnet 340 is embedded and fixed in the position, corresponding to the position of the rubber pad 310, in the C-shaped ring 330.

Scale groove 240 has been seted up to stainless steel cylinder 210's outer wall, glass pipe 500 corresponds scale groove 240 position department and is printed with the volume scale, make things convenient for operating personnel directly to read the volume through printing the volume scale on glass pipe 500, the magnetism of two second rubidium magnet 410 opposite faces is opposite, first rubidium magnet 340 is opposite with the outside magnetism of the second rubidium magnet 410 that closes on, utilize the magnetism characteristic of inhaling between first rubidium magnet 340 and the second rubidium magnet 410 like this, drive piston 400 synchronous motion when stirring and dial ring 300.

A first limit outer ring 235 and a second limit outer ring 238 are respectively embedded and fixed in the bottom port and the side wall port of the T-shaped pipe 230, a first limit inner ring 232 is fixed on the inner wall of the vertical part of the T-shaped pipe 230, a second limit inner ring 233 is fixed on the inner wall of the horizontal part of the T-shaped pipe 230, a first rubber ball 236 is arranged in the T-shaped pipe 230 between the first limit inner ring 232 and the first limit outer ring 235, and a second rubber ball 237 is arranged in the T-shaped pipe 230 between the second limit inner ring 233 and the second limit outer ring 238, wherein a first return spring 231 is connected between the first rubber ball 236 and the first limit inner ring 232, and a second return spring 234 is connected between the second rubber ball 237 and the second limit outer ring 238.

The equal adhesion in both ends of glass pipe 500 is fixed with the rubber circle pad, can improve the leakproofness of glass pipe 500 through fixed rubber circle pad, and the outer wall central point department of putting of C type ring 330 is fixed with driving lever 320, conveniently removes C type ring 330 through setting up driving lever 320.

The working principle is as follows: during the use, operating personnel one hand holds barrel holder 200, driving lever 320 is detained to one of them finger, then open liquefied natural gas and accomodate jar release natural gas, aim at liquefied natural gas and accomodate jar exit with the tip of liquefied natural gas sampler, stir the magnetic attraction characteristic that driving lever 320 utilized between first rubidium magnet 340 and the second rubidium magnet 410, drive piston 400 synchronous motion in the glass pipe 500, thereby accomplish gaseous collection, when the gas emission in the glass pipe 500 needs, through stirring driving lever 320 reverse movement, drive corresponding piston 400 reverse movement, thereby with the gas emission in the glass pipe 500.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims

1. The liquefied natural gas sampler is characterized by comprising a threaded cover (100), a barrel frame (200) and a stirring ring (300), wherein the barrel frame (200) comprises a stainless steel barrel (210), the bottom end of the stainless steel barrel (210) is connected with a T-shaped pipe (230), the outer wall of the stainless steel barrel (210) is symmetrically provided with two sliding grooves (220) about the axis of the stainless steel barrel, a glass pipe (500) is fixed inside the stainless steel barrel (210), a piston (400) is connected inside the glass pipe (500) in a sliding manner, a rubber ring (420) is sleeved on the outer wall of the piston (400), two second rubidium magnets (410) are symmetrically embedded and fixed inside the piston (400) about the axis of the piston, and the outer wall of the top end of the stainless steel barrel (210) is connected with the threaded cover (100) in a screwing manner;

the outer wall of a stainless steel cylinder (210) is slidably sleeved with a stirring ring (300), the stirring ring (300) comprises a C-shaped ring (330) slidably sleeved with the outer wall of the stainless steel cylinder (210), a rubber pad (310) slidably connected with a corresponding position sliding groove (220) is fixed on the inner wall of the C-shaped ring (330), and a first rubidium magnet (340) is fixed in the position of the corresponding rubber pad (310) in the C-shaped ring (330) in an embedded mode.

2. The liquefied natural gas sampler according to claim 1, wherein the outer wall of the stainless steel cylinder (210) is provided with a scale groove (240), and the glass tube (500) is marked with volume scales at the position corresponding to the scale groove (240).

3. The lng sampler of claim 1, wherein the magnetic properties of the facing surfaces of the two second rubidium magnets (410) are opposite, and the magnetic properties of the first rubidium magnet (340) are opposite to the magnetic properties of the outer side of the adjacent second rubidium magnet (410).

4. The liquefied natural gas sampler according to claim 1, wherein a first limit outer ring (235) and a second limit outer ring (238) are respectively embedded and fixed in the bottom port and the side wall port of the T-shaped pipe (230), a first limit inner ring (232) is fixed on the inner wall of the vertical part of the T-shaped pipe (230), a second limit inner ring (233) is fixed on the inner wall of the horizontal part of the T-shaped pipe (230), a first rubber ball (236) is arranged in the T-shaped pipe (230) between the first limit inner ring (232) and the first limit outer ring (235), a second rubber ball (237) is arranged in the T-shaped pipe (230) between the second limit inner ring (233) and the second limit outer ring (238), wherein a first return spring (231) is connected between the first rubber ball (236) and the first limit inner ring (232), and a second return spring (234) is connected between the second rubber ball (237) and the second limiting outer ring (238).

5. The lng sampler of claim 1, wherein rubber gaskets are adhered and fixed to both ends of the glass tube (500).

6. The lng sampler of claim 1, wherein a lever (320) is fixed to the C-shaped ring (330) at a central position of an outer wall thereof.