CN219495817U

CN219495817U - Air collection device for airtight space

Info

Publication number: CN219495817U
Application number: CN202223508166.3U
Authority: CN
Inventors: 黄文才
Original assignee: Guangzhou Jinhe Technology Testing Co ltd
Current assignee: Guangzhou Jinhe Technology Testing Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-08-08
Anticipated expiration: 2032-12-26

Abstract

The utility model provides an air collection device for a closed space, which comprises a bottom plate, wherein an exhaust pipe is arranged on one side of the top surface of the bottom plate, square pipes are arranged on two sides of the top surface of the exhaust pipe, movable rods extending to the upper parts of the square pipes are arranged in the square pipes, connecting plates are arranged on the top surface of the movable rods, a piston plate is arranged in the exhaust pipe, a second pull rod penetrating through and extending to the outside of the exhaust pipe is arranged on the top surface of the piston plate, a threaded pipe is arranged on the outer ring of one side of the second pull rod, a first pull rod penetrating through and extending to the upper parts of the connecting plates is arranged in the threaded pipe, and the length of the device is adjusted through a limiting head, the square pipes, the movable rods, the threaded pipes, the first pull rods, the second pull rods and the like.

Description

Air collection device for airtight space

Technical Field

The utility model relates to the technical field of air collection, in particular to an air collection device for a closed space.

Background

For some reasons, when the cavity needs to be explored or search and rescue tasks are carried out, the cavity needs to be known, firstly, air in the cavity needs to be collected, the air collected in the cavity needs to be detected, whether the cavity contains some poisonous gas or other gases or not is known, whether the air in the cavity can be used for judging whether corresponding staff enter the cavity or not, whether the health of the corresponding staff is endangered or not is judged, but most of the existing air collecting devices adopt a vacuum pump to suck the air into a container to collect the air in a closed space, but because the vacuum pump needs to be powered, the cavity is generally in the field, the electrode is inconvenient, so that the air in the cavity is inconvenient to collect, and because the depths of the cavities are different, the air in the cavities with different depths is inconvenient to collect.

Disclosure of Invention

The utility model aims to provide an air collection device for a closed space, which aims to solve the problems of the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a airtight space air collection system, includes the bottom plate, and top surface one side of bottom plate is provided with the exhaust tube, the top surface both sides of exhaust tube are provided with square tube, square tube's inside is provided with the movable rod that extends to square tube upper portion, the top surface of movable rod is provided with the connecting plate, the inside piston plate that is provided with of exhaust tube, the top surface of piston plate is provided with the second pull rod that runs through and extend to the exhaust tube outside, one side outer lane of second pull rod is provided with the screwed pipe, the inside of screwed pipe is provided with the first pull rod that runs through and extend to the connecting plate top, cavity has been seted up to lower part one side of movable rod, and cavity one side lateral wall is provided with the extension spring, the other end of extension spring runs through and extends to the spacing head of movable rod outside.

As a further description of the utility model: the side wall of one side of the square tube is provided with a plurality of groups of limiting holes, and the limiting head is matched with the limiting holes formed in the side wall of one side of the square tube.

As a further description of the utility model: the outer lane upper portion of second pull rod is provided with the screw thread, the outer lane lower part of first pull rod is provided with the screw thread, and the screw thread that the first pull rod outer lane set up and the screw thread that the second pull rod outer lane set up all match with the inner circle screw thread of screwed pipe, the top of first pull rod is provided with the arm-tie, the outer lane of screwed pipe is provided with multiunit push pedal.

As a further description of the utility model: one side of the exhaust pipe is provided with an air inlet pipe, one end of the air inlet pipe is provided with a hose, and a one-way valve is arranged in the air inlet pipe.

As a further description of the utility model: one side of the exhaust pipe penetrates through and extends to an air vent pipe in the air tank, and a one-way valve is arranged in the air vent pipe.

As a further description of the utility model: the top surface one side of bottom plate is provided with the gas pitcher, one side of gas pitcher is provided with the outlet duct, and outlet duct department is provided with the sealing plug.

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

(1) The limiting head, the square tube, the movable rod, the threaded tube, the first pull rod, the second pull rod and the like are arranged, the limiting head can be pressed, the movable rod is pulled out of the square tube, and as a plurality of groups of limiting holes are formed in the side wall of one side of the square tube, the limiting head can be moved to the corresponding limiting holes formed in one side of the square tube according to the required height, meanwhile, the push plate is pushed, and the threaded tube 7 can be driven to rotate, so that the first pull rod and the second pull rod can be further moved out of the threaded tube, and the length of the device is adjusted;

(2) Through first pull rod, second pull rod and exhaust tube and the piston board etc. that are equipped with, can stimulate the pull plate, and then can drive first pull rod and remove, further can drive the second pull rod through the screwed pipe and remove, and then can drive the piston board and remove to can bleed in to the exhaust tube through hose and intake pipe, along with the repetitive motion of piston board, and then can take the gas into the gas pitcher through the breather pipe in, thereby realized the purpose of gathering the air in airtight space.

Drawings

FIG. 1 is a schematic cross-sectional view of an exhaust tube according to the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

fig. 3 is a schematic cross-sectional view of a square tube according to the present utility model.

In the figure: 1. a bottom plate; 2. a vent pipe; 3. an exhaust pipe; 4. a hose; 5. an air inlet pipe; 6. a push plate; 7. a threaded tube; 8. a first pull rod; 9. pulling a plate; 10. a connecting plate; 11. square tube; 12. a gas tank; 13. a second pull rod; 14. a sealing plate; 15. a piston plate; 16. a connecting rod; 17. a movable plate; 18. a positioning head; 19. a telescopic spring; 20. a movable rod.

Detailed Description

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 utility model provides a airtight space air collection system, including bottom plate 1, top surface one side of bottom plate 1 is provided with exhaust tube 3, the top surface both sides of exhaust tube 3 are provided with square pipe 11, the inside of square pipe 11 is provided with the movable rod 15 that extends to square pipe 11 upper portion, the top surface of movable rod 15 is provided with connecting plate 10, the inside piston plate 14 that is provided with of exhaust tube 3, the top surface of piston plate 14 is provided with the second pull rod 13 that runs through and extend to the outside of exhaust tube 3, one side outer lane of second pull rod 13 is provided with screwed pipe 7, the inside of screwed pipe 7 is provided with the first pull rod 8 that runs through and extend to connecting plate 10 top, the cavity has been seted up to lower part one side of movable rod 15, and cavity one side lateral wall is provided with extension spring 17, the other end of extension spring 17 runs through and extends to the outside spacing head 16 of movable rod 15.

In this embodiment: the side wall of one side of square tube 11 is provided with multiunit spacing hole, spacing head 16 and the spacing hole assorted of seting up of side wall of square tube 11 side, and the outer lane upper portion of second pull rod 13 is provided with the screw thread, and the outer lane lower part of first pull rod 8 is provided with the screw thread, and the screw thread that the outer lane of first pull rod 8 set up and the screw thread that the outer lane of second pull rod 13 set up all match with the inner circle screw thread of screwed pipe 7, and the top of first pull rod 8 is provided with arm-tie 9, and the outer lane of screwed pipe 7 is provided with multiunit push pedal 6.

The specific use is as follows: the limiting head 16 can be pressed at this moment, the movable rod 15 can be pulled out from the square tube 11 at this moment, and because a plurality of groups of limiting holes are formed in the side wall of one side of the square tube 11, the limiting head 16 can be moved to the corresponding limiting hole formed in one side of the square tube 11 according to the required height at this moment, meanwhile, the push plate 6 is pushed, the threaded tube 7 can be driven to rotate, the first pull rod 8 and the second pull rod 13 can be further moved out from the threaded tube 7, and the length of the device is adjusted.

In this embodiment: one side of the exhaust pipe 3 is provided with an air inlet pipe 5, one end of the air inlet pipe 5 is provided with a hose 4, a one-way valve is arranged in the air inlet pipe 5, one side of the exhaust pipe 3 penetrates through and extends to the breather pipe 2 inside the air tank 12, the inside of the breather pipe 2 is provided with the one-way valve, one side of the top surface of the bottom plate 1 is provided with the air tank 12, one side of the air tank 12 is provided with an air outlet pipe, and the air outlet pipe is provided with a sealing plug.

The specific use is as follows: can stretch into corresponding cave with exhaust tube 3 one end in, afterwards, can stimulate arm-tie 9, and then can drive first pull rod 8 and remove, further can drive second pull rod 13 through screwed pipe 7 and remove, and then can drive piston board 14 and remove, thereby can bleed through hose 4 and intake pipe 5 in to exhaust tube 3, along with the repetitive motion of piston board 14, and then can take the gas into in jar 12 through breather pipe 2 pump, thereby realized the purpose of gathering the air in airtight space.

Working principle: firstly, the length of the movable rod 15 can be correspondingly adjusted according to the depth of a cave, the limiting head 16 can be pressed at the moment, the movable rod 15 can be pulled out of the square pipe 11 at the moment, because a plurality of groups of limiting holes are formed in the side wall of one side of the square pipe 11, the limiting head 16 can be moved into the corresponding limiting holes formed in one side of the square pipe 11 according to the required height, meanwhile, the push plate 6 is pushed, and then the threaded pipe 7 can be driven to rotate, the first pull rod 8 and the second pull rod 13 can be further moved out of the threaded pipe 7, the length of the device is adjusted, then one end of the exhaust pipe 3 can be extended into the corresponding cave, then the pull plate 9 can be pulled, and then the first pull rod 8 can be driven to move, the second pull rod 13 can be further driven to move through the threaded pipe 7, and then the piston plate 14 can be driven to move, so that air can be collected into the air pipe 3 through the hose 4 and the air inlet pipe 2, and the purpose of air extraction of a closed space can be achieved along with the repeated movement of the piston plate 14.

Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features thereof, and any modifications, equivalent substitutions, improvements and the like within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a airtight space air collection system, includes bottom plate (1), its characterized in that: the top surface one side of bottom plate (1) is provided with exhaust tube (3), the top surface both sides of exhaust tube (3) are provided with square tube (11), the inside of square tube (11) is provided with movable rod (15) that extend to square tube (11) upper portion, the top surface of movable rod (15) is provided with connecting plate (10), the inside piston plate (14) that is provided with of exhaust tube (3), the top surface of piston plate (14) is provided with and runs through and extend to outside second pull rod (13) of exhaust tube (3), one side outer lane of second pull rod (13) is provided with screwed pipe (7), the inside of screwed pipe (7) is provided with runs through and extends to first pull rod (8) of connecting plate (10) top, the cavity has been seted up on one side of the lower part of movable rod (15), and cavity one side lateral wall is provided with telescopic spring (17), the other end of telescopic spring (17) runs through and extends to outside spacing head (16) of movable rod (15), the top is provided with multiunit pull plate (7), screwed pipe (6) are provided with.

2. The confined space air collection assembly of claim 1, wherein: the side wall of one side of the square tube (11) is provided with a plurality of groups of limiting holes, and the limiting head (16) is matched with the limiting holes formed in the side wall of one side of the square tube (11).

3. The confined space air collection assembly of claim 1, wherein: the upper portion of the outer ring of the second pull rod (13) is provided with threads, the lower portion of the outer ring of the first pull rod (8) is provided with threads, and the threads arranged on the outer ring of the first pull rod (8) and the threads arranged on the outer ring of the second pull rod (13) are matched with the inner ring threads of the threaded pipe (7).

4. The confined space air collection assembly of claim 1, wherein: one side of the exhaust pipe (3) is provided with an air inlet pipe (5), one end of the air inlet pipe (5) is provided with a hose (4), and a one-way valve is arranged in the air inlet pipe (5).

5. The confined space air collection assembly of claim 1, wherein: one side of the exhaust pipe (3) penetrates through and extends to the vent pipe (2) in the air tank (12), and a one-way valve is arranged in the vent pipe (2).

6. The confined space air collection assembly of claim 1, wherein: the gas tank (12) is arranged on one side of the top surface of the bottom plate (1), the gas outlet pipe is arranged on one side of the gas tank (12), and a sealing plug is arranged at the gas outlet pipe.