CN212275343U

CN212275343U - Volatile liquid sample thief

Info

Publication number: CN212275343U
Application number: CN202021199227.0U
Authority: CN
Inventors: 王希武
Original assignee: Jiadexin Jiangyin Testing Technology Co ltd
Current assignee: Jiadexin Jiangyin Testing Technology Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-01-01
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses a volatile liquid sample thief, including the storage pipe, the storage pipe is the tubulose cylinder, and is made by the clear glass material, and the notch has all been seted up to the upper and lower surface of storage pipe, the notch is equipped with sealing washer one and sealing washer two, the upper and lower both ends of storage pipe all are equipped with sealing device, sealing device includes the screw thread ring, the screw thread ring passes through threaded connection with the storage pipe, and the diameter of screw thread ring is greater than the external diameter of storage pipe, is equipped with solid fixed ring in the screw thread ring, and solid fixed ring passes through the notch cartridge with the storage pipe to be connected, and solid fixed ring's inside is equipped with takes the mouth, takes mouth and solid fixed. The utility model discloses a design of cushion for the pinhole that the microinjector left can automatic closure, prevents that liquid from volatilizing from the pinhole that the microinjector left, thereby increases the leakproofness of sample thief.

Description

Volatile liquid sample thief

Technical Field

The utility model relates to a sample thief specifically is a volatile liquid sample thief.

Background

Volatile liquids generally refer to liquid components that escape as gas molecules without reaching a boiling point.

At present, volatile liquid collection has a plurality of problems, such as short liquid storage period, difficult cleaning of a sampler, improper sealing of the sampler and the like.

Therefore, the utility model provides a volatile liquid sample thief to solve the above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a volatile liquid sample thief to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a sample thief for volatile liquid comprises a storage tube which is a tubular cylinder, and is made of transparent glass material, the upper and lower surfaces of the storage tube are both provided with notches, the notches are provided with a first sealing ring and a second sealing ring, the upper end and the lower end of the storage pipe are respectively provided with a sealing device, the sealing devices comprise a threaded ring, the threaded ring is in threaded connection with the storage pipe, the diameter of the threaded ring is larger than the outer diameter of the storage pipe, a fixing ring is arranged in the threaded ring, the fixing ring is connected with the storage pipe through a notch in an inserting manner, a taking port is arranged in the fixing ring and is tightly connected with the fixing ring, the upper end of the taking port and the upper end of the fixing ring are positioned on the same plane, the taking port is in a horn shape, and the lower end of the taking port is a cylindrical space, a pinhole is arranged at the bottom of the cylindrical space at the lower end of the sampling opening, and a soft cushion is arranged on the inner wall of the upper bell mouth of the sampling opening;

the top of taking the mouth is equipped with sealed mouth, the lower extreme of sealed mouth and the upper end zonulae occludens who takes the mouth are equipped with valving on the sealed mouth, valving includes the handle, the left side of handle is equipped with the rotary rod, and the rotary rod runs through sealed mouth and ball connection, and the spheroid is installed inside sealed mouth, is equipped with the round hole on the spheroid.

As a further aspect of the present invention, the diameter of the notch is smaller than the outer diameter of the storage tube, and the depth of the notch is smaller than the height of the storage tube.

As the utility model discloses further scheme again, solid fixed ring's external diameter is less than the external diameter of storage pipe, and solid fixed ring's the degree of depth that highly is less than the notch.

As the utility model discloses scheme further still, the shape of cushion is loudspeaker form, and the material is the rubber material, and the cushion with take mouthful closely laminate, the upper end of cushion and the upper end of taking mouthful are at the coplanar.

As a further proposal of the utility model, the shape and the size of the sealing mouth are respectively consistent with the shape and the size of the taking mouth.

As a further aspect of the present invention, the diameter of the round hole is smaller than the diameter of the sphere, and the height of the round hole is consistent with the sphere.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses during the use, through the design of cushion for the pinhole that the microinjector left can automatic closure, prevents that liquid from volatilizing from the pinhole that the microinjector left, thereby increases the leakproofness of sample thief.

2. The utility model discloses during the use, through the design of handle, valve, rotary rod, spheroid and round hole, rotate the round hole suitable position, can will say in the microinjector syringe needle inserts the sample thief, so both can increase the leakproofness of sample thief, can alleviate the degree of difficulty of sampling again.

3. The utility model discloses during the use, through the design of screw ring for the sample thief washs convenient and fast more.

Drawings

FIG. 1 is a schematic diagram of a sample collector for volatile liquid.

FIG. 2 is an exploded view of a sample collector for volatile liquid.

FIG. 3 is a schematic diagram of the internal structure of a sample collector for volatile liquid.

FIG. 4 is a schematic diagram of a valve device of a sample collector for volatile liquid.

FIG. 5 is an enlarged schematic view of the sampling device for volatile liquid at the position of FIG. 3A

In the figure: 1. a storage tube; 2. a notch; 3. a threaded ring; 4. a fixing ring; 5. a sampling port; 6. a soft cushion; 7. a first sealing ring; 8. a second sealing ring; 9. sealing the nozzle; 10. a handle; 11. rotating the rod; 12. a sphere; 13. a circular hole.

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. 1-5, in an embodiment of the present invention, a volatile liquid sample sampler includes a storage tube 1, the storage tube 1 is a tubular cylinder and made of transparent glass material, notches 2 are formed on both upper and lower surfaces of the storage tube 1, a diameter of each notch 2 is smaller than an outer diameter of the storage tube 1, a depth of each notch 2 is smaller than a height of the storage tube 1, each notch 2 is provided with a first sealing ring 7 and a second sealing ring 8, sealing devices are respectively disposed on both upper and lower ends of the storage tube 1, each sealing device includes a threaded ring 3, the threaded ring 3 is in threaded connection with the storage tube 1, a diameter of the threaded ring 3 is larger than an outer diameter of the storage tube 1, a fixing ring 4 is disposed in the threaded ring 3, an outer diameter of the fixing ring 4 is smaller than an outer diameter of the storage tube 1, a height of the fixing ring 4 is smaller than a depth of each notch 2, the fixing ring 4, the inside of solid fixed ring 4 is equipped with and takes mouth 5, takes mouth 5 and solid fixed ring 4 zonulae occludens, and the upper end of taking mouth 5 and the upper end of solid fixed ring 4 are in the coplanar, take 5 horn shapes of mouth, the lower extreme of taking mouth 5 is the cylinder type space, and the bottom of taking 5 lower extreme cylinder type spaces is equipped with the pinhole, and the upper portion horn mouth inner wall of taking mouth 5 is equipped with cushion 6, the shape of cushion 6 is the horn shape, and the material is the rubber material, and cushion 6 with take mouth 5 and closely laminate, the upper end of cushion 6 and the upper end of taking mouth 5 are in the coplanar;

take the top of mouthful 5 to be equipped with sealed mouth 9, the shape and the size of sealed mouth 9 are unanimous with the shape and the size of taking mouthful 5 respectively, the lower extreme of sealed mouth 9 and the upper end zonulae occludens of taking mouthful 5 are equipped with valve device on the sealed mouth 9, valve device includes handle 10, the left side of handle 10 is equipped with rotary rod 11, and rotary rod 11 runs through sealed mouth 9 and is connected with spheroid 12, and spheroid 12 is installed inside sealed mouth 9, is equipped with round hole 13 on the spheroid 12, the bore of round hole 13 is less than spheroid 12's diameter, and the height of round hole 13 is unanimous with spheroid 12.

The utility model discloses a theory of operation is:

when the utility model is used, the round hole 13 on the sphere 12 is aligned to the lower end of the sealing nozzle 9 by rotating the handle 10, then the micro-syringe needle is inserted into the sealing nozzle 9 through the round hole 13, then the micro-syringe needle passes through the cushion 6 and then passes through the needle hole at the lower end of the taking port 5, so that the micro-syringe can extract the volatile liquid to be measured from the storage tube 1 through the needle, after the needle of the micro-syringe is taken out, because of the 6-bit rubber material of the cushion, the needle hole left by the needle of the micro-syringe can be closed again, and no air permeable hole can be left, when the sample in the storage tube 1 is used up, the fixing ring 4 is taken out from the notch 2 by taking off the threaded ring 3, because the threaded ring 3 is connected with the fixing ring 4, the taking port 5 is tightly and fixedly connected with the fixing ring 4, therefore, the taking-out port 4 can also be taken out, after the, after the cleaning, the sealing device is fixed at the two ends of the storage tube 1 again, the first sealing ring 7 and the second sealing ring 8 in the notch 2 enable the fixing ring 4 to be in closer contact with the storage tube 1, then the round hole 13 in the ball body 12 is rotated to the position attached to the inner wall of the sealing nozzle 9, and the sealing performance of the sampler is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a volatile liquid sample thief, includes storage pipe (1), its characterized in that, storage pipe (1) is the tubulose cylinder, and is made by transparent glass material, and notch (2) have all been seted up to the upper and lower surface of storage pipe (1), notch (2) are equipped with sealing washer (7) and sealing washer two (8), the upper and lower both ends of storage pipe (1) all are equipped with sealing device, sealing device includes screw ring (3), screw ring (3) pass through threaded connection with storage pipe (1), and the diameter of screw ring (3) is greater than the external diameter of storage pipe (1), is equipped with solid fixed ring (4) in screw ring (3), and solid fixed ring (4) pass through notch (2) cartridge with storage pipe (1) and are connected, and the inside of solid fixed ring (4) is equipped with takes mouth (5), takes mouth (5) and solid fixed ring (4) zonulae occludens, the upper end of the sampling port (5) and the upper end of the fixing ring (4) are positioned on the same plane, the sampling port (5) is in a horn shape, the lower end of the sampling port (5) is a cylindrical space, a needle hole is formed in the bottom of the cylindrical space at the lower end of the sampling port (5), and a cushion (6) is arranged on the inner wall of the upper horn mouth of the sampling port (5);

the top of taking mouth (5) is equipped with sealing nozzle (9), the lower extreme of sealing nozzle (9) and the upper end zonulae occludens who takes mouth (5) are equipped with valve device on sealing nozzle (9), valve device includes handle (10), the left side of handle (10) is equipped with rotary rod (11), and rotary rod (11) run through sealing nozzle (9) and are connected with spheroid (12), and install inside sealing nozzle (9) spheroid (12), are equipped with round hole (13) on spheroid (12).

2. Volatile liquid sample sampler according to claim 1 characterized in that the diameter of the notch (2) is smaller than the outer diameter of the storage tube (1) and the depth of the notch (2) is smaller than the height of the storage tube (1).

3. Volatile liquid sample collector according to claim 1, characterized in that the outer diameter of the fixing ring (4) is smaller than the outer diameter of the storage tube (1) and the height of the fixing ring (4) is smaller than the depth of the notch (2).

4. The sampler for the volatile liquid according to claim 1, wherein the shape of the soft pad (6) is horn-shaped, the material is rubber, the soft pad (6) is tightly attached to the sampling port (5), and the upper end of the soft pad (6) is in the same plane with the upper end of the sampling port (5).

5. Volatile liquid sample collector according to claim 1, characterized in that the sealing mouth (9) is shaped and sized to correspond to the shape and size of the sampling opening (5), respectively.

6. Volatile liquid sample collector according to claim 1, characterized in that the diameter of the circular hole (13) is smaller than the diameter of the sphere (12), and the height of the circular hole (13) is consistent with the sphere (12).