Gas collection bag

Abstract

The utility model discloses a gas production bag which comprises a bag body, a gas production valve is arranged on the bag body, and the gas production valve comprises a sealing assembly and a closing-up assembly. The sealing assembly is connected with the gas production valve in a clamped mode and controls the gas production valve to produce gas. The closing-in assembly is arranged at a gas production opening of the gas production valve and used for storage. By designing the sealing assembly, the pressing plate and the sealing plug on the inner side can be rapidly moved along the valve body, so that the gas production opening communicates with the valve body, gas production can be rapidly conducted, the gas production opening is bent and stored through the closing-in assembly, and the gas production bag is conveniently stored.

Description

Technical Field

[0001] This utility model relates to the field of data collection devices, and in particular to a gas sampling bag. Background Technology

[0002] A gas sampling bag is a device used to collect and store gas samples. Gas sampling bags can quickly collect gas samples on-site and keep them unaffected by the external environment for a certain period of time. Gas samples are easy to transport and transfer to the laboratory for further analysis through gas sampling bags.

[0003] Existing gas sampling bags mainly use a rotary switch to move the piston inside the gas sampling valve and collect gas through the sampling port. However, when rapid gas sampling is required, the operation is cumbersome and it is difficult to open and sample quickly. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a gas sampling bag.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a gas sampling bag, comprising a bag body, wherein a gas sampling valve is provided on the bag body.

[0006] The gas sampling valve includes a sealing assembly and a closing assembly;

[0007] The sealing assembly engages with the gas sampling valve, thereby controlling the gas sampling valve to perform gas sampling.

[0008] The closing assembly is located at the gas intake port of the gas intake valve for storage.

[0009] As a further description of the above technical solution: the gas sampling valve includes a valve body, one end of which is connected to the bag body and the other end of which is engaged with the sealing assembly. The gas sampling port is provided on one side of the valve body and is connected to the valve body.

[0010] As a further description of the above technical solution: the sealing assembly includes a pressure plate, and a sealing plug is provided on one side of the pressure plate. The pressure plate drives the sealing plug to reciprocate inside the valve body.

[0011] As a further description of the above technical solution: the pressure plate has a slot, a limit ring is provided at the slot, and a connecting rod is provided on one side of the limit ring, so that one end of the limit ring can be driven to move inside the slot through the connecting rod.

[0012] As a further description of the above technical solution: a handle is hinged to one side of the valve body, and one end of the handle extends outward and is hinged to the connecting rod.

[0013] As a further description of the above technical solution: the top of the valve body extends outward to form a limiting part, and the limiting ring cooperates with the limiting part to seal the pressure plate and the sealing plug.

[0014] As a further description of the above technical solution: when the sealing plug is sealing, the gas sampling port is positioned higher than the bottom end face of the sealing plug.

[0015] As a further description of the above technical solution: the closing assembly includes a rope body, which is wrapped around the outside of the gas intake port and connected to a tensioning part.

[0016] As a further description of the above technical solution: an outwardly extending positioning ring is provided on the outer side of the gas sampling port, and the rope passes through the positioning ring and is connected to the tensioning part.

[0017] As a further description of the above technical solution: a pig nose lock is provided on one side of the valve body, and the rope passes through the pig nose lock and is connected to the tensioning part.

[0018] The above technical solution has the following advantages or beneficial effects:

[0019] 1. By designing a sealing component, the pressure plate and the inner sealing plug can be quickly moved along the valve body, so that the gas sampling port is connected to the valve body, allowing for rapid gas sampling. The gas sampling port can be bent and stored by the closing component, making it easy to store the gas sampling bag. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the gas sampling bag proposed in this utility model;

[0021] Legend:

[0022] 1. Bag body; 2. Gas sampling valve; 201. Gas sampling port; 202. Valve body; 3. Pressure plate; 4. Sealing plug; 5. Limiting ring; 6. Connecting rod; 7. Handle; 8. Limiting part; 9. Rope; 10. Tensioning part; 11. Positioning ring; 12. Pig nose lock buckle. Detailed Implementation

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Reference Figure 1An embodiment of this utility model provides: a gas sampling bag, including a bag body 1, a gas sampling valve 2 is provided on the bag body 1, the gas sampling valve 2 includes a sealing component and a closing component; the sealing component is engaged with the gas sampling valve 2 to control the gas sampling valve 2 to perform gas sampling; the closing component is provided at the gas sampling port 201 of the gas sampling valve 2 for storage.

[0025] In this embodiment, by designing a sealing component, the pressure plate and the inner sealing plug can be quickly moved along the valve body, so that the gas sampling port 201 is connected to the valve body 202, and gas sampling can be carried out quickly. The gas sampling port 201 is bent and stored by the closing component, so that the outwardly extending gas sampling port 201 can be bent to one side, which facilitates the storage of the gas sampling bag.

[0026] The gas sampling valve 2 includes a valve body 202. One end of the valve body 202 is connected to the bag body 1, and the other end is engaged with the sealing component. A gas sampling port 201 is provided on one side of the valve body 202 and is connected to the valve body 202.

[0027] In this embodiment, the gas sampling port 201 and the valve body 202 form a three-way volume cavity. The upper end of the valve body is sealed by a sealing component, and the lower end is connected to the bag body 1 to control the bag body 1 to sample gas.

[0028] The sealing assembly includes a pressure plate 3, and a sealing plug 4 is provided on one side of the pressure plate 3. The pressure plate 3 drives the sealing plug 4 to reciprocate inside the valve body 202. When the sealing plug 4 is sealing, the position of the gas intake port 201 is higher than the bottom end face of the sealing plug 4.

[0029] In this embodiment, the pressure plate 3 and the sealing plug 4 are integrated. By moving the pressure plate 3, the sealing plug 4 is driven to move back and forth inside the valve body 202, thereby controlling the valve body 202 to communicate with the gas intake port 201.

[0030] The pressure plate 3 has a slot, and a limit ring 5 is provided at the slot. A connecting rod 6 is provided on one side of the limit ring 5. The connecting rod 6 drives one end of the limit ring 5 to move inside the slot. A handle 7 is hinged to one side of the valve body 202. One end of the handle 7 extends outward and is hinged to the connecting rod 6. The top of the valve body 202 extends outward to form a limiting part 8. The limiting ring 5 cooperates with the limiting part 8 to seal the pressure plate 3 and the sealing plug 4.

[0031] In this embodiment, the limiting ring 5, the connecting rod 6, and the handle 7 form a three-bar linkage. By rotating the handle 7, the hinge of the connecting rod 6 and the limiting ring 5 is pushed to reciprocate inside the slot. The limiting ring 5 rotates through the hinge, and the handle 7 is rotated upward so that the limiting ring 5 can cooperate with the limiting part 8 at the top of the valve body 202 in a relaxed state. The handle 7 is rotated downward again to drive the connecting rod 6 to move, so that the limiting ring 5 contracts and tightens, and cooperates tightly with the limiting part 8 to control the pressure plate 3 and the sealing plug 4 to seal.

[0032] When it is necessary to open the pressure plate, turn the handle 7 upward to loosen the limit ring 5, move the limit part 8 out, and you can directly pull the pressure plate 3 upward. The hinge of the connecting rod 6 and the limit ring 5 moves at the slot.

[0033] The closing assembly includes a rope 9, which is wrapped around the outside of the gas intake port 201 and connected to a tensioning part 10. An outwardly extending positioning ring 11 is provided on the outside of the gas intake port 201, and the rope 9 passes through the positioning ring 11 and connects to the tensioning part 10. A pig nose lock buckle 12 is also provided on one side of the valve body 202, and the rope 9 passes through the pig nose lock buckle 12 and connects to the tensioning part 10.

[0034] In this embodiment, the rope 9 is sequentially threaded through the positioning ring 11 and the pig nose lock 12, and connected to the tensioning part 10. The tensioning part 10 is a circular ring, and at least two positioning rings 11 are provided. The end face of the gas sampling port 201 is bent, and the rope 9 is clamped by the pig nose lock 12. The rope 9 can be positioned after being pulled, which makes it easy to store the gas sampling bag.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A gas sampling bag, comprising a bag body (1), wherein a gas sampling valve (2) is provided on the bag body (1), characterized in that, The gas sampling valve (2) includes a sealing assembly and a closing assembly; The sealing assembly engages with the gas sampling valve (2) to control the gas sampling valve (2) to perform gas sampling; The closing assembly is located at the gas intake port (201) of the gas intake valve (2) for storage.

2. The gas sampling bag according to claim 1, characterized in that: The gas sampling valve (2) includes a valve body (202), one end of which is connected to the bag body (1) and the other end is engaged with the sealing assembly. The gas sampling port (201) is provided on one side of the valve body (202) and is connected to the valve body (202).

3. The gas sampling bag according to claim 2, characterized in that: The sealing assembly includes a pressure plate (3), and a sealing plug (4) is provided on one side of the pressure plate (3). The pressure plate (3) drives the sealing plug (4) to reciprocate inside the valve body (202).

4. The gas sampling bag according to claim 3, characterized in that: The pressure plate (3) has a slot, and a limit ring (5) is provided at the slot. A connecting rod (6) is provided on one side of the limit ring (5). The connecting rod (6) drives one end of the limit ring (5) to move inside the slot.

5. The gas sampling bag according to claim 4, characterized in that: A handle (7) is hinged to one side of the valve body (202), and one end of the handle (7) extends outward and is hinged to the connecting rod (6).

6. The gas sampling bag according to claim 4, characterized in that: The top of the valve body (202) extends outward to form a limiting part (8), and the limiting ring (5) cooperates with the limiting part (8) to seal the pressure plate (3) and the sealing plug (4).

7. The gas sampling bag according to claim 3, characterized in that: When the sealing plug (4) is sealing, the gas sampling port (201) is positioned higher than the bottom end face of the sealing plug (4).

8. The gas sampling bag according to claim 3, characterized in that: The closing assembly includes a rope (9) which is wrapped around the outside of the gas intake (201) and connected to a tensioning part (10).

9. The gas sampling bag according to claim 8, characterized in that: A positioning ring (11) extending outward is provided on the outer side of the gas sampling port (201), and the rope (9) passes through the positioning ring (11) and is connected to the tensioning part (10).

10. The gas sampling bag according to claim 8, characterized in that: A pig nose lock (12) is also provided on one side of the valve body (202), and the rope (9) passes through the pig nose lock (12) and is connected to the tension part (10).

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