Gas sampling equipment with gas bag structure

Abstract

The utility model discloses gas sampling equipment with a gas bag structure, and relates to the technical field of gas sampling equipment, the gas sampling equipment comprises sampling equipment, a sampler is arranged above the sampling equipment, a sampling pipe is arranged below the sampler, a mounting block is fixedly arranged on the lower end surface of the sampling pipe, and a gas bag is arranged on the mounting block. A telescopic air bag is arranged in the sampling equipment, a connecting plate is fixedly arranged on the upper end face of the telescopic air bag, sliding grooves are formed in the two sides of the interior of the connecting plate, guide rods are arranged in the two sliding grooves, and L-shaped fixing blocks are slidably connected to the exteriors of the two guide rods; a spring A sleeving the guide rod is arranged on one side of each L-shaped fixing block, a connecting pipe located below the sampling pipe is arranged above the connecting plate, and fixing grooves are formed in the two sides of the interior of the connecting pipe. By means of the air bag structure, telescopic expansion treatment can be carried out, flexibility is achieved, and limitation is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of gas sampling equipment, in particular to a gas sampling equipment with an air bag structure. Background Art

[0002] Gas samplers are instruments or devices that collect atmospheric pollutants or polluted atmosphere. There are many types of atmospheric samplers. According to the collection object, they can be divided into gas samplers and particulate samplers. According to the place of use, they can be divided into environmental samplers, indoor samplers such as samplers used in factory workshops, and pollution source samplers such as chimney samplers.

[0003] For example, patent No. CN201821308804.8 discloses a gas sampler, whose structure includes a base, a movable shaft is provided at the bottom of the base, a fixed groove is provided inside the base, a support leg is provided at the bottom of the base, the support leg is movably connected to the base through a movable shaft, a driving device is provided inside the base, one end of the driving device is transmission-connected with a turntable, and a shell is fixedly installed on the top of the turntable. The utility model cooperates with each other by arranging a storage groove, a support leg, a movable rod, a stabilizing sleeve, an adjusting rod, a movable shaft and a fixed groove. When the sampler needs to be carried, the adjusting rod is retracted into the stabilizing sleeve, the stabilizing sleeve is placed in the storage groove, the movable shaft is rotated, the support leg is driven, and the support leg is placed in the fixed groove, so that the occupied space of the sampler can be reduced, which is convenient for operators to carry and use. By arranging a handle and an anti-slip sleeve, it is convenient for operators to take and carry the sampler and open the cover plate, and the anti-slip sleeve can prevent the operator from slipping.

[0004] The existing gas sampling equipment in this patent all has a gas collection tank inside, and does not collect gas through an airbag structure. The can has certain limitations and cannot be expanded to increase the amount of gas collected. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a gas sampling device with an airbag structure, which solves the problem that the existing gas sampling devices all have gas collection tanks inside, do not collect gas through the airbag structure, have certain limitations in canning, and cannot be expanded to increase the amount of gas collected.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a gas sampling device with an airbag structure, including a sampling device, a sampler is arranged above the sampling device, a sampling tube is arranged below the sampler, a mounting block is fixedly arranged on the lower end surface of the sampling tube, a telescopic airbag is arranged inside the sampling device, a connecting plate is fixedly arranged on the upper end surface of the telescopic airbag, slide grooves are arranged on both sides of the connecting plate, guide rods are arranged inside the two slide grooves, L-shaped fixing blocks are slidably connected to the outside of the two guide rods, a spring A sleeved on the outside of the guide rod is arranged on one side of the two L-shaped fixing blocks, a connecting tube located below the sampling tube is arranged above the connecting plate, fixing grooves are arranged on both sides of the connecting tube, and the L-shaped fixing block is stuck in the fixing groove.

[0007] Preferably, positioning blocks are fixedly provided on both sides of the lower end surface of the mounting block, protrusions are fixedly provided on both sides of the upper end surface of the mounting block, and trapezoidal grooves are provided on both sides of the inside of the protrusions.

[0008] Preferably, positioning grooves are provided on both sides inside the sampling device, the positioning blocks are inserted into the positioning grooves, connecting blocks are provided on both sides of the mounting block, a movable block is provided on one side of the connecting block, and a movable shaft is movably connected between the movable block and the connecting block.

[0009] Preferably, a through hole is provided inside the movable block, and the protrusion is connected to the movable block through the through hole.

[0010] Preferably, spring grooves are provided on both sides of the through hole, springs B are provided inside the two spring grooves, a trapezoidal block is provided on one side of the spring B, and the trapezoidal block is inserted into the trapezoidal groove.

[0011] Preferably, spring grooves are provided on both sides of the through hole, springs B are provided inside the two spring grooves, a trapezoidal block is provided on one side of the spring B, and the trapezoidal block is inserted into the trapezoidal groove.

[0012] Preferably, a filter cartridge is provided inside the sampling tube, and an air outlet pipe is connected between the drying chamber and the sampling device.

[0013] Beneficial Effects

[0014] The utility model provides a gas sampling device. Compared with the prior art, it has the following beneficial effects:

[0015] 1. The sampler allows the gas to enter the connecting tube through the sampling tube, and then enter the telescopic airbag through the connecting tube. The telescopic airbag is a soft structure. When the gas enters, it will expand and can hold a large amount of gas. It is relatively flexible.

[0016] 2. The fixing effect between the connecting tube and the sampling device is improved. When the gas enters, it is prevented from shaking, which affects the speed of gas entry. By pushing the L-shaped fixing block to one side, it slides on the outside of the guide rod, so that the spring A on one side is compressed, and the connecting tube is connected with the sampling device through. The pulled L-shaped fixing block is released, so that it pops out when the spring A is relaxed, and the L-shaped fixing block is inserted into the fixing groove inside the connecting tube for fixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the sampling device of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal cross-sectional structure of the sampling device of the utility model;

[0019] Figure 3 For this utility model Figure 2 A schematic diagram of a partially enlarged structure at cross section A;

[0020] Figure 4 For this utility model Figure 2 A schematic diagram of a partially enlarged structure at cross section B;

[0021] Figure 5 For this utility model Figure 4 Schematic diagram of the local enlarged structure at cross section C.

[0022] In the figure: 1. Sampling equipment; 2. Drying chamber; 3. Sampler; 4. Sampling tube; 5. Mounting block; 6. Filter cartridge; 7. Telescopic airbag; 8. Connecting plate; 9. Fixing groove; 10. L-shaped fixing block; 11. Guide rod; 12. Spring A; 13. Slide groove; 14. Connecting tube; 15. Positioning block; 16. Positioning groove; 17. Connecting block; 18. Movable shaft; 19. Movable block; 20. Bump; 21. Trapezoidal groove; 22. Trapezoidal block; 23. Spring groove; 24. Spring B. DETAILED DESCRIPTION

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

[0024] See also Figure 1-5The utility model provides a technical solution: a gas sampling device with an airbag structure, comprising a sampling device 1, a sampler 3 is arranged above the sampling device 1, a sampling tube 4 is arranged below the sampler 3, a mounting block 5 is fixedly arranged on the lower end surface of the sampling tube 4, a telescopic airbag 7 is arranged inside the sampling device 1, positioning blocks 15 are fixedly arranged on both sides of the lower end surface of the mounting block 5, convex blocks 20 are fixedly arranged on both sides of the upper end surface of the mounting block 5, trapezoidal grooves 21 are arranged on both sides of the inner part of the convex block 20, and a telescopic airbag 7 is arranged inside the sampling device 1. Both sides of the mounting block 5 are provided with positioning grooves 16, and the positioning blocks 15 are inserted into the positioning grooves 16. Both sides of the mounting block 5 are provided with connecting blocks 17, and one side of the connecting block 17 is provided with a movable block 19. A movable shaft 18 is movably connected between the movable block 19 and the connecting block 17. The gas first enters the connecting pipe 14 through the sampling tube 4 through the sampler 3, and then enters the telescopic airbag 7 through the connecting pipe 14. The telescopic airbag 7 is a soft structure, and when the gas enters, it will expand, and can hold a large amount of gas, which is relatively flexible.

[0025] A connecting plate 8 is fixedly provided on the upper end surface of the telescopic airbag 7, and slide grooves 13 are provided on both sides of the connecting plate 8, and guide rods 11 are provided inside the two slide grooves 13, and L-shaped fixing blocks 10 are slidably connected to the outside of the two guide rods 11. A through hole is provided inside the movable block 19, and the protrusion 20 is connected with the movable block 19 through the through hole. Spring grooves 23 are provided on both sides of the through hole, and springs B24 are provided inside the two spring grooves 23. A trapezoidal block 22 is provided on one side of the spring B24, and the trapezoidal block 22 is stuck in the trapezoidal groove 21. The fixing effect between the connecting tube 14 and the sampling device 1 is improved, and the shaking is prevented when the gas enters, which affects the speed of the gas entering. By toggling the L-shaped fixing block 10 to one side, it slides on the outside of the guide rod 11;

[0026] A spring A12 which is sleeved on the outside of the guide rod 11 is provided on one side of the two L-shaped fixing blocks 10, a connecting tube 14 which is located below the sampling tube 4 is provided above the connecting plate 8, fixing grooves 9 are provided on both sides inside the connecting tube 14, the L-shaped fixing block 10 is inserted into the fixing groove 9, a drying bin 2 is provided on one side of the sampling device 1, a control button is provided on the front end face of the sampling device 1, a display screen is provided above the control button, a filter cartridge 6 is provided inside the sampling tube 4, an air outlet pipe is connected between the drying bin 2 and the sampling device 1, so that the spring A12 on one side thereof is compressed, and the connecting tube 14 is connected through the sampling device 1, the pulled L-shaped fixing block 10 is released, so that it pops out when the spring A12 is relaxed, so that the L-shaped fixing block 10 is inserted into the fixing groove 9 inside the connecting tube 14 for fixing.

[0027] When working, the sampler 3 first passes the gas through the sampling tube 4 into the connecting tube 14, and then enters the telescopic airbag 7 through the connecting tube 14. The telescopic airbag 7 is a soft structure, which will expand when the gas enters, and can hold a large amount of gas, which is relatively flexible. The fixing effect between the connecting tube 14 and the sampling device 1 is improved, and the shaking is prevented when the gas enters, which affects the speed of gas entry. By moving the L-shaped fixing block 10 to one side, it slides on the outside of the guide rod 11, so that the spring A12 on one side is compressed, and the connecting tube 14 is connected with the sampling device 1 through and through, and the pulled L-shaped fixing block 10 is released, so that it pops out when the spring A12 is relaxed, so that the L-shaped fixing block 10 is inserted into the fixing groove 9 inside the connecting tube 14 for fixing.

[0028] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A gas sampling device with an airbag structure, comprising a sampling device (1), characterized in that: A sampler (3) is arranged above the sampling device (1), a sampling tube (4) is arranged below the sampler (3), a mounting block (5) is fixedly arranged on the lower end surface of the sampling tube (4), a telescopic airbag (7) is arranged inside the sampling device (1), a connecting plate (8) is fixedly arranged on the upper end surface of the telescopic airbag (7), both sides of the connecting plate (8) are provided with slide grooves (13), both sides of the two slide grooves (13) are provided with guide rods (11), both sides of the two guide rods (11) are slidably connected with L-shaped fixing blocks (10), one side of the two L-shaped fixing blocks (10) is provided with a spring A (12) sleeved on the outside of the guide rods (11), a connecting tube (14) located below the sampling tube (4) is arranged above the connecting plate (8), both sides of the connecting tube (14) are provided with fixing grooves (9), and the L-shaped fixing block (10) is inserted into the fixing grooves (9).

2. The gas sampling device with an airbag structure according to claim 1, characterized in that: Positioning blocks (15) are fixedly provided on both sides of the lower end surface of the mounting block (5), convex blocks (20) are fixedly provided on both sides of the upper end surface of the mounting block (5), and trapezoidal grooves (21) are provided on both sides of the interior of the convex block (20).

3. The gas sampling device with an airbag structure according to claim 2, characterized in that: Positioning grooves (16) are provided on both sides of the sampling device (1), the positioning block (15) is inserted into the positioning grooves (16), connecting blocks (17) are provided on both sides of the mounting block (5), a movable block (19) is provided on one side of the connecting block (17), and a movable shaft (18) is movably connected between the movable block (19) and the connecting block (17).

4. The gas sampling device with an airbag structure according to claim 3, characterized in that: A through hole is provided inside the movable block (19), and the protrusion (20) is connected to the movable block (19) through the through hole.

5. The gas sampling device with an airbag structure according to claim 4, characterized in that: Spring grooves (23) are provided on both sides of the through hole, springs B (24) are provided inside the two spring grooves (23), a trapezoidal block (22) is provided on one side of the spring B (24), and the trapezoidal block (22) is inserted into the trapezoidal groove (21).

6. The gas sampling device with an airbag structure according to claim 1, characterized in that: A drying chamber (2) is provided on one side of the sampling device (1), a control button is provided on the front face of the sampling device (1), and a display screen is provided above the control button.

7. The gas sampling device with an airbag structure according to claim 6, characterized in that: A filter cartridge (6) is provided inside the sampling tube (4), and an air outlet pipe is connected between the drying chamber (2) and the sampling device (1).

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