CN219736957U

CN219736957U - Gas collection device

Info

Publication number: CN219736957U
Application number: CN202320515650.4U
Authority: CN
Inventors: 郭寅平; 李巧巧; 王治军
Original assignee: Henan Dingtai Technology Co ltd
Current assignee: Henan Dingtai Technology Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-09-22
Anticipated expiration: 2033-03-16

Abstract

The utility model discloses a gas collecting device, which comprises a gas storage component and a gas collecting component, wherein the gas storage component is communicated with the gas collecting component, the gas storage component comprises a hollow storage gas tank, one side of the storage gas tank is in open arrangement, a first limiting ring is fixed on one side of the inner wall of the storage gas tank, a sealing collar is inlaid on the other side of the storage gas tank, and a sealing ring is inlaid on the sealing collar; according to the utility model, through adding the design of the gas storage component, the gas sample collected by the gas collection component is stored in the gas storage tank through the connecting gas pipe, the first gas check valve is arranged on the connecting gas pipe, so that the gas sample is prevented from flowing back to the gas collection component, the gas collection component can collect a large number of gas samples continuously for many times, and simultaneously, the needle tube can be used for penetrating the sealing ring during analysis, the gas sample in the gas storage tank is extracted, and the gas storage tank is convenient and practical and convenient to store.

Description

Gas collection device

Technical Field

The utility model relates to the technical field of gas collection equipment, in particular to a gas collection device.

Background

The environmental detection is to collect and detect domestic wastewater, industrial wastewater, domestic drinking water, underground water or various unknown gases through special equipment, obtain available or harmful and harmless water vapor substances through detection results, evaluate environmental quality according to environmental quality standards, trace and find pollution sources according to pollution distribution conditions, provide basis for realizing supervision and management and pollution control, and enable people to collect various information of an unknown area and detect in advance for other projects in the future.

Through retrieval, the application number of the Chinese patent document is CN201220019061.9, and the utility model discloses a piston type gas collector which comprises a push rod, a push rod limiting bracket, an outer cylinder, a piston and an air hole; the push rod limiting support is located above the outer cylinder, the support is cross-shaped in the horizontal direction, a hole is formed in the center of the support, and the push rod penetrates through the hole to be connected with the piston. The piston is arranged in the outer cylinder, the piston is connected with the outer cylinder in a sliding mode, and the piston is tightly connected with the outer cylinder. The air holes are positioned at the bottom of the utility model. When the device is used, the push rod is pushed downwards, the piston is pushed to the bottommost part, the piston type gas collector is emptied, then the gas generating device is connected to the gas hole through the rubber pipe to start collecting, and the gas pushing to the top end is completed. The utility model can effectively collect high-purity gas, and has simple structure, convenience and practicability.

However, the utility model has the following defects:

the gas collector can only be used for transferring the collected gas, but is not suitable for collecting the gas in a large amount for a plurality of times, so that a gas collecting device is required to solve the problems.

Disclosure of Invention

The utility model aims to provide a gas collection device, which is provided with a gas storage component, wherein a gas sample collected by the gas collection component is stored in a gas storage tank, so that the gas collection component can collect the gas sample continuously for a plurality of times and in large quantity, and simultaneously a needle tube can be used for penetrating a sealing ring during analysis to extract the gas sample in the gas storage tank, thereby being convenient and practical and convenient for storing the gas sample so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gas collection device, includes gas storage subassembly and gas collection subassembly, gas storage subassembly intercommunication is on gas collection subassembly, gas storage subassembly includes hollow storage gas pitcher, one side of storage gas pitcher is openly setting, be fixed with first spacing ring on the inner wall one side of storage gas pitcher, it has the seal ring to inlay on the opposite side of storage gas pitcher, it has the sealing washer to inlay on the seal ring, the inboard intercommunication of sealing washer is inside to the storage gas pitcher, install first piston plate in the storage gas pitcher, first piston plate is circular rubber piston plate, the inner wall of storage gas pitcher is laminated to the outer wall of first piston plate, the inside sliding connection of first piston plate storage gas pitcher.

Preferably, the side wall of the storage gas tank is communicated with a communication gas pipe, the communication gas pipe is a soft rubber gas pipe, a first gas check valve is arranged on the communication gas pipe, and one end of the communication gas pipe is communicated with the gas collecting assembly.

Preferably, the gas collection assembly comprises a hollow gas collection tank, a driving assembly is fixed at the lower end of the gas collection tank, the driving assembly comprises a hollow equipment bin, an electric telescopic rod is installed in the equipment bin, a base of the electric telescopic rod is fixed at the bottom end of the equipment bin, and a piston rod of the electric telescopic rod extends out of the equipment bin.

Preferably, the piston rod of the electric telescopic rod penetrates through the bottom end of the air collecting tank and stretches into the air collecting tank, a second limiting ring and a third limiting ring are arranged on the inner wall of the air collecting tank, and the third limiting ring is located above the second limiting ring.

Preferably, the second limiting ring is located above the communicating air pipe, a second piston plate is fixed on one end of the electric telescopic rod extending into the air collecting tank, the second piston plate is located between the second limiting ring and the third limiting ring, and the second piston plate is slidably connected in the air collecting tank.

Preferably, an air pipe assembly is fixed on the second piston plate, and the air pipe assembly comprises a collecting air pipe, and one end of the collecting air pipe penetrates through the second piston plate and stretches into the collecting air tank.

Preferably, the second gas check valve is arranged on the gas collecting pipe, one end of the second gas check valve is communicated with a multi-port collecting pipe head, and a transparent glass scale plate is inlaid on the side wall of the gas storage tank.

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

according to the utility model, through adding the design of the gas storage component, the gas sample collected by the gas collection component is stored in the gas storage tank through the connecting gas pipe, the first gas check valve is arranged on the connecting gas pipe, so that the gas sample is prevented from flowing back to the gas collection component, the gas collection component can collect a large number of gas samples continuously for many times, and simultaneously, the needle tube can be used for penetrating the sealing ring during analysis, the gas sample in the gas storage tank is extracted, and the gas storage tank is convenient and practical and convenient to store.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a gas storage module according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a gas collection module according to the present utility model.

In the figure: 1. a gas storage assembly; 101. a storage tank; 102. a first stop collar; 103. a first piston plate; 104. a sealing collar; 105. a seal ring; 2. a transparent glass scale plate; 3. a communicating air pipe; 4. a first gas check valve; 5. a gas collection assembly; 501. a collection gas tank; 502. a second limiting ring; 503. a third limiting ring; 504. a second piston plate; 6. a drive assembly; 601. an equipment bin; 602. an electric telescopic rod; 7. a tracheal assembly; 701. a collecting air pipe; 702. a second gas check valve; 703. the tube head is collected to many mouthfuls.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the gas collection device comprises a gas storage component 1 and a gas collection component 5, wherein the gas storage component 1 is communicated with the gas collection component 5, the gas storage component 1 comprises a hollow gas storage tank 101, one side of the gas storage tank 101 is arranged in an open mode, a first limiting ring 102 is fixed on one side of the inner wall of the gas storage tank 101, a sealing collar 104 is inlaid on the other side of the gas storage tank 101, a sealing ring 105 is inlaid on the sealing collar 104, the inner side of the sealing ring 105 is communicated to the inside of the gas storage tank 101, a first piston plate 103 is arranged in the gas storage tank 101, the first piston plate 103 is a circular rubber piston plate and is convenient to be adhered to the inner wall of the gas storage tank 101, when a gas communicating pipe 3 feeds a gas sample into the gas storage tank 101, the first piston plate 103 is pushed to move outwards along with the increase of the gas pressure in the gas storage tank 101, the outer wall of the first piston plate 103 is adhered to the inner wall of the gas storage tank 101, and the first piston plate 103 is in sliding connection with the inside of the gas storage tank 101;

the side wall of the storage gas tank 101 is communicated with a communication gas pipe 3, the communication gas pipe 3 is a soft rubber gas pipe, a first gas check valve 4 is arranged on the communication gas pipe 3, and one end of the communication gas pipe 3 is communicated with a gas collection assembly 5;

the gas sample that gathers gas collection subassembly 5 is deposited into storage gas pitcher 101 through intercommunication trachea 3, and first gas check valve 4 is installed to intercommunication trachea 3, prevents that gas sample from flowing back to gas collection subassembly 5, and gas collection subassembly 5 of being convenient for can be continuous many times, a large amount of collection gas sample can use the needle tubing to penetrate sealing washer 105 during the analysis simultaneously, draws the gas sample in the storage gas pitcher 101, convenient and practical, is convenient for preserve gas sample.

The gas collection assembly 5 comprises a hollow gas collection tank 501, a driving assembly 6 is fixed at the lower end of the gas collection tank 501, the driving assembly 6 comprises a hollow equipment bin 601, an electric telescopic rod 602 is installed in the equipment bin 601, a base of the electric telescopic rod 602 is fixed at the bottom end of the equipment bin 601, a piston rod of the electric telescopic rod 602 extends out of the equipment bin 601, and a rubber sealing cover is wrapped on the piston rod of the electric telescopic rod 602 to prevent collected gas samples from escaping when passing through the equipment bin 601;

the piston rod of the electric telescopic rod 602 passes through the bottom end of the gas collection tank 501 and extends into the gas collection tank 501, the piston rod of the electric telescopic rod 602 is wrapped with a rubber sealing cover to prevent collected gas samples from escaping when passing through the gas collection tank 501, a second limiting ring 502 and a third limiting ring 503 are arranged on the inner wall of the gas collection tank 501, the third limiting ring 503 is positioned above the second limiting ring 502 to limit a second piston plate 504, and the second piston plate 504 is prevented from extending out of the gas collection tank 501;

the second limiting ring 502 is positioned above the communication air pipe 3, limits the second piston plate 504, prevents the second piston plate 504 from falling below the communication air pipe 3 and prevents other gases from being filled into the communication air pipe 3, one end of the electric telescopic rod 602 extending into the gas collection tank 501 is fixedly provided with the second piston plate 504, the second piston plate 504 is positioned between the second limiting ring 502 and the third limiting ring 503, the second piston plate 504 is slidably connected in the gas collection tank 501, and the second piston plate 504 is attached to the inner wall of the gas collection tank 501;

a gas pipe assembly 7 is fixed on the second piston plate 504, the gas pipe assembly 7 comprises a collecting gas pipe 701, and one end of the collecting gas pipe 701 penetrates through the second piston plate 504 and stretches into the collecting gas tank 501;

a second gas check valve 702 is arranged on the gas collecting pipe 701, one end of the second gas check valve 702 is communicated with a multi-port collecting pipe head 703, and a transparent glass scale plate 2 is inlaid on the side wall of the gas storage tank 101, so that the gas sample reserves in the gas storage tank 101 can be observed conveniently;

when a gas sample needs to be collected, the electric telescopic rod 602 works to push the second piston plate 504 upwards, so that the air pressure of the space between the second piston plate 504 and the inner bottom end of the collection air tank 501 is reduced, and the gas sample is sucked into the space between the second piston plate 504 and the inner bottom end of the collection air tank 501 through the collection air pipe 701; when a gas sample needs to be stored, the second piston plate 504 is pulled to retract downwards by the operation of the electric telescopic rod 602, and the gas sample cannot escape from the collecting gas pipe 701 due to the existence of the second gas check valve 702, so that the gas sample is forced into the communicating gas pipe 3 to enter the storage gas tank 101, and meanwhile, the gas sample entering the storage gas tank 101 cannot escape from the storage gas tank 101 through the first gas check valve 4.

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

Claims

1. A gas collection device comprising a gas storage assembly (1) and a gas collection assembly (5), characterized in that: the gas storage assembly (1) is communicated with the gas collection assembly (5), the gas storage assembly (1) comprises a hollow storage gas tank (101), one side of the storage gas tank (101) is in an open arrangement, a first limiting ring (102) is fixed on one side of the inner wall of the storage gas tank (101), a sealing collar (104) is inlaid on the other side of the storage gas tank (101), a sealing ring (105) is inlaid on the sealing collar (104), the inner side of the sealing ring (105) is communicated with the inside of the storage gas tank (101), a first piston plate (103) is arranged in the storage gas tank (101), the outer wall of the first piston plate (103) is attached to the inner wall of the storage gas tank (101), and the first piston plate (103) is in sliding connection with the inner wall of the storage gas tank (101).

2. A gas collection device according to claim 1, wherein: the gas storage tank is characterized in that a communication gas pipe (3) is communicated with the side wall of the gas storage tank (101), the communication gas pipe (3) is a soft rubber gas pipe, a first gas check valve (4) is arranged on the communication gas pipe (3), and one end of the communication gas pipe (3) is communicated with a gas collection assembly (5).

3. A gas collection device according to claim 2, wherein: the gas collection assembly (5) comprises a hollow gas collection tank (501), a driving assembly (6) is fixed at the lower end of the gas collection tank (501), the driving assembly (6) comprises a hollow equipment bin (601), an electric telescopic rod (602) is installed in the equipment bin (601), a base of the electric telescopic rod (602) is fixed at the bottom end of the equipment bin (601), and a piston rod of the electric telescopic rod (602) extends out of the equipment bin (601).

4. A gas collection device according to claim 3, wherein: the piston rod of the electric telescopic rod (602) penetrates through the bottom end of the gas collecting tank (501) and stretches into the gas collecting tank (501), a second limiting ring (502) and a third limiting ring (503) are arranged on the inner wall of the gas collecting tank (501), and the third limiting ring (503) is located above the second limiting ring (502).

5. A gas collection device according to claim 4, wherein: the second limiting ring (502) is located above the communication air pipe (3), a second piston plate (504) is fixed on one end of the electric telescopic rod (602) extending into the air collecting tank (501), the second piston plate (504) is located between the second limiting ring (502) and the third limiting ring (503), and the second piston plate (504) is slidably connected into the air collecting tank (501).

6. A gas collection device according to claim 5, wherein: an air pipe assembly (7) is fixed on the second piston plate (504), the air pipe assembly (7) comprises a collecting air pipe (701), and one end of the collecting air pipe (701) penetrates through the second piston plate (504) to extend into the collecting air tank (501).

7. A gas collection device according to claim 6, wherein: install second gas check valve (702) on collecting pipe (701), the one end intercommunication of second gas check valve (702) has many mouthfuls of collection tube heads (703), inlay on the lateral wall of storage gas pitcher (101) transparent glass scale plate (2).