CN218885559U

CN218885559U - Stink sampling device

Info

Publication number: CN218885559U
Application number: CN202222852187.0U
Authority: CN
Inventors: 金建; 魏悠然; 刘伟
Original assignee: Anhui Zhongpin Testing Technology Co ltd
Current assignee: Anhui Zhongpin Testing Technology Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-04-18
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses an odor sampling device, which comprises a collecting shell, wherein a piston is arranged in the collecting shell, and the end part of the collecting shell is provided with a combined connecting structure; the combined connection structure comprises a connection ring, a first connector is connected onto the connection ring, a second connector is connected to the end portion of the first connector in a threaded mode, a sealing plate is arranged inside the second connector, a valve core is arranged inside the sealing plate, an air inlet hole is formed in the valve core and the sealing plate, a mounting ring is arranged at the upper end of the first connector, a fixing ring is installed on the mounting ring in a clamped mode, and an air storage rubber bag is arranged on the fixing ring. The utility model discloses a built-up connection structure realizes installing gas storage rubber bag, gathers gas, is convenient for be connected with gas analysis appearance to be equipped with closing plate and case in the inside of second connector, seal, prevent gas leakage, and equipment is small and exquisite, portable.

Description

Stink sampling device

Technical Field

The utility model relates to a gaseous collection technology field specifically is a stink sampling device.

Background

Atmospheric sampling refers to a method for collecting samples of pollutants or polluted air in the atmosphere, and the collection method is a method for gathering pollutants with lower concentration in the atmosphere by allowing a large amount of air to pass through a liquid absorbent or a solid adsorbent, such as an air suction method and a filter membrane method. Another is to collect air containing contaminants with a container (glass bottle, plastic bag, etc.);

when carrying out gaseous collection, need use the gas sampling appearance, the gas sampling appearance is the conventional instrument that is arranged in gathering atmospheric environment or the gas sample in the operational environment, and it constitutes independent gas circuit system respectively by two aspiration pumps.

However, when the existing gas collection instrument is used, the existing gas collection instrument is large in size, the existing gas collection instrument cannot be effectively stored and carried, great inconvenience is caused to the use of the equipment, the equipment cannot be effectively disassembled and installed when being used, even when the collection bag is used, the collection bag cannot be effectively installed through the realization, the integral separation cannot be realized, the collection bag is hermetically connected, the separation is convenient to carry, the collection bag is convenient to connect with analysis equipment, and the collection bag is convenient to install and disassemble.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stink sampling device has that equipment is small and exquisite, portable and storage to be convenient for install and dismantle advantage such as bag to gathering, with the problem of proposing in solving above-mentioned background art.

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

the malodor sampling device comprises a collecting shell, wherein a piston is movably arranged in the collecting shell, a push-pull rod is connected onto the piston, and a combined connecting structure is arranged at the end part of the collecting shell;

the combined connection structure comprises a connection ring fixedly arranged at the end part of the collecting shell, a first connector is connected onto the connection ring, the end part of the first connector is in threaded connection with a second connector, a sealing plate is fixedly arranged in the second connector, a valve core is movably arranged in the sealing plate, an air inlet hole is formed in the valve core and the sealing plate, a mounting ring is fixedly arranged at the upper end of the first connector, a fixing ring is clamped on the mounting ring, and a gas storage rubber bag is arranged on the fixing ring.

Preferably, the outer side of the collecting shell is fixedly connected with a holding part, and the upper part of the collecting shell is fixedly embedded with toughened glass.

Preferably, a plurality of sealing rings are installed in the outer side of the piston in an embedded mode, a connecting plate is welded to one end of the push-pull rod, an inserting column is fixedly arranged at one end of the connecting plate, a limiting plate is fixedly arranged at the end portion of the inserting column, the inserting column is connected with the limiting plate in the piston, and a push plate is fixedly arranged at the other end of the push-pull rod.

Preferably, a first spiral ring is fixedly arranged at one end of the first connector, a second spiral ring is fixedly arranged at the other end of the first connector, the first spiral ring is in threaded connection with the outer side of the connecting ring, and the mounting ring is arranged on the inner side of the second spiral ring.

Preferably, a third spiral ring is fixedly arranged on the outer side of the second connector, and the third spiral ring is in threaded connection with the outer side of the second spiral ring.

Preferably, the other end of the second connector is provided with an external thread portion, a press ring is fixedly arranged at the lower end of the second connector, and the press ring is attached to the mounting ring and the fixing ring.

Preferably, one end of the valve core is fixedly connected with a screwing screw, and the screwing screw penetrates through the second connector and the third spiral ring.

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

the utility model discloses when using, stimulate through push-and-pull rod and piston, form negative pressure state, make in the gas can enter into the gas storage rubber bag, and be equipped with built-up connection structure and realize installing the gas storage rubber bag, realize connecting the collection casing through first connector promptly, then install the gas storage rubber bag on first connector, it is spacing that the block is carried out to the rethread second connector, prevent to drop, and the second connector is convenient for be connected with gas analysis appearance, realize carrying out the analysis to gas, and be equipped with closing plate and case in the inside of second connector, realize gathering gaseous back, seal, prevent gas leakage, and equipment is small and exquisite, and be convenient for carry.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a sectional view of the piston of the present invention;

fig. 4 is a sectional view of the combined connection structure of the present invention.

In the figure: 1. collecting a shell; 2. a piston; 3. a connecting plate; 4. a push-pull rod; 5. a combined connecting structure; 6. a connecting ring; 7. a first connection head; 8. a second connector; 9. a closing plate; 10. an air inlet; 11. a valve core; 12. a gas storage rubber bag; 13. a fixing ring; 14. a mounting ring; 15. pressing and closing the ring; 16. a first spiro ring; 17. a second spiro ring; 18. a third spiro ring; 19. an external threaded portion; 20. pushing the plate; 21. inserting the post; 22. a limiting plate; 23. a seal ring; 24. screwing the screw; 25. a holding part; 26. and (4) tempering the glass.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the malodor sampling device comprises a collecting shell 1, wherein a piston 2 is movably arranged in the collecting shell 1, a push-pull rod 4 is connected to the piston 2, and a combined connecting structure 5 is arranged at the end part of the collecting shell 1;

the utility model discloses a gas storage device, including the solid fixed connection structure 5, including fixed the setting gather go-between 6 of 1 tip of casing, be connected with first connector 7 on the go-between 6, the tip threaded connection of first connector 7 has second connector 8, the fixed shut 9 that is equipped with in inside of second connector 8, the inside activity of shut 9 is equipped with case 11, case 11 with inlet port 10 has been seted up on the shut 9, the fixed collar 14 that is equipped with in upper end of first connector 7, solid fixed ring 13 is installed to the block on the collar 14, be equipped with gas storage rubber bag 12 on the solid fixed ring 13.

Specifically, when in use, the first connector 7 of the combined connection structure 5 is firstly installed on the connection ring 6 of the collection housing 1, that is, the first spiral ring 16 on the first connector 7 is fixedly and threadedly connected with the connection ring 6, then the fixing ring 13 on the gas storage rubber bag 12 is snap-connected with the mounting ring 14 on the first connector 7, then the second connector 8 is fixedly connected with the first connector 7, that is, the third spiral ring 18 on the second connector 8 is threadedly connected with the second spiral ring 17 on the first connector 7, and one end of the second connector 8 is provided with the pressing ring 15, so that the mounting ring 14 and the fixing ring 13 are pressed and limited to prevent falling, the gas storage rubber bag 12 can be conveniently detached and installed by setting the combined connection structure 5, convenience in use is improved, the gas storage rubber bag 12 is located inside the collection housing 1, then the push rod 4 and the push plate 20 are pulled, so that the connection plate 3 can connect the piston 2 through the insertion post 21 and the limiting plate 22, the piston 2 can be connected by the insertion post 21 and the push plate 22, so that the piston 2 can be effectively pulled, and the piston 2 can be pulled to stably hold the collection housing 1, and the gas collection sealing ring 23 can be pulled to prevent the gas from leaking from entering the collection housing 1, and the gas collection housing 1 from leaking, and the gas collection housing 1 can be stably held by pulling the sealing piston 23, and the sealing plate 20, the gas collection is prevented from being excessive, the gas storage rubber bag 12 is not convenient to take out, after the gas is collected, the valve core 11 is adjusted by screwing the screw rod 24, the gas inlet hole 10 in the valve core 11 can be staggered with the gas inlet hole 10 in the sealing plate 9, the sealing performance is realized, the gas leakage is prevented, after the gas is collected, the gas is separated from the connecting ring 6 in the collecting shell 1 through the first spiral ring 16 in the first connecting head 7, then the gas storage rubber bag 12 is taken out and stored, and then when the gas is detected, the gas is connected with a gas analyzer through the external thread part 19 in the second connecting head 8, and the gas is analyzed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A malodor sampling device, comprising a collection housing (1), characterized in that: a piston (2) is movably arranged in the acquisition shell (1), a push-pull rod (4) is connected to the piston (2), and a combined connecting structure (5) is arranged at the end part of the acquisition shell (1);

the combined connection structure (5) is in including fixed setting gather go-between (6) of casing (1) tip, be connected with first connector (7) on go-between (6), the tip threaded connection of first connector (7) has second connector (8), the fixed closing plate (9) that is equipped with in inside of second connector (8), the inside activity of closing plate (9) is equipped with case (11), case (11) with inlet port (10) have been seted up on closing plate (9), the fixed collar (14) that is equipped with in upper end of first connector (7), solid fixed ring (13) are installed to the block on collar (14), be equipped with gas storage rubber bag (12) on solid fixed ring (13).

2. The malodor sampling apparatus according to claim 1, wherein: the outer side of the collecting shell (1) is fixedly connected with a holding part (25), and toughened glass (26) is fixedly embedded in the upper part of the collecting shell (1).

3. The malodor sampling apparatus according to claim 1, wherein: inlay in the outside of piston (2) and install a plurality of sealing ring (23), the one end welding of push-and-pull rod (4) has connecting plate (3), the one end of connecting plate (3) is fixed to be equipped with and inserts post (21), the end fixing that inserts post (21) is equipped with limiting plate (22), insert post (21) with limiting plate (22) are connected the inside of piston (2), the other end of push-and-pull rod (4) is fixed to be equipped with push pedal (20).

4. The malodor sampling apparatus according to claim 1, wherein: one end of the first connecting head (7) is fixedly provided with a first spiral ring (16), the other end of the first connecting head (7) is fixedly provided with a second spiral ring (17), the first spiral ring (16) is in threaded connection with the outer side of the connecting ring (6), and the mounting ring (14) is arranged on the inner side of the second spiral ring (17).

5. The malodor sampling apparatus according to claim 4, wherein: a third spiral ring (18) is fixedly arranged on the outer side of the second connector (8), and the third spiral ring (18) is in threaded connection with the outer side of the second spiral ring (17).

6. The malodor sampling apparatus according to claim 1, wherein: the other end of second connector (8) is provided with external screw thread portion (19), the lower extreme of second connector (8) is fixed with pressure ring (15), pressure ring (15) laminating is in collar (14) with gu on fixed ring (13).

7. The malodor sampling apparatus according to claim 5, wherein: one end of the valve core (11) is fixedly connected with a screwing screw (24), and the screwing screw (24) penetrates through the second connector (8) and the third spiral ring (18).