CN218922643U - Air leakage prevention device for air collecting bag in air blowing test - Google Patents
Air leakage prevention device for air collecting bag in air blowing test Download PDFInfo
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- CN218922643U CN218922643U CN202222339827.8U CN202222339827U CN218922643U CN 218922643 U CN218922643 U CN 218922643U CN 202222339827 U CN202222339827 U CN 202222339827U CN 218922643 U CN218922643 U CN 218922643U
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Abstract
The utility model discloses an air leakage prevention device for an air collecting bag in an air blowing test, which belongs to the technical field of air collecting bags, wherein the existing air collecting bag is easy to cause the condition that a large amount of air leaks before a cover is screwed off when in use, the air collecting effect is affected, the air leaks after the air is blown off due to the fact that the air is pinched, when the air is required to be taken off after the air is collected, the air quantity extruded once is excessive, even the air can only be used once, a rubber elastic sheet is extruded into the air collecting bag by the air, so that the air flow enters the air collecting bag body, after the air blowing is stopped, the rubber elastic sheet rebounds upwards, a large amount of air leaks before the cover is screwed off, the air is pumped out by arranging a second pipe body, the convenience in the air pumping process is improved, the air is prevented from being leaked out in a large amount due to the cover opening, the air is prevented from being leaked out for a plurality of times, and the inner wall of the air collecting bag body is prevented from being retracted after the cover is unscrewed.
Description
Technical Field
The utility model relates to the technical field of air collecting bags, in particular to an air leakage preventing device of an air collecting bag for an air blowing test.
Background
Numerous studies have shown that over 90% of duodenal ulcers and about 80% of gastric ulcers are caused by helicobacter pylori infection. Helicobacter pylori was identified as a class I carcinogen by the world health organization/International cancer research institute (WHO/I gas bag RC) as early as 1994 and is an important factor in the occurrence of gastric cancer. Therefore, the method for detecting helicobacter pylori clinically is particularly important, and the carbon 13 expiration test is the most convenient and safer detection method at present. The gas collecting bag is an important tool in the carbon 13 expiration test process.
The condition that a large amount of gas leaks before screwing up easily appears in current collection bag when using, influences the effect that gas was collected to because it leaks to receive and hold between the fingers the air pocket after blowing, often the gas volume of once only extrudeed when taking after collecting gas is too much, even only uses once, is unfavorable for the going on of blowing test, therefore proposes an experimental collection bag leak protection gas device of blowing.
Disclosure of Invention
The utility model aims to provide an air leakage prevention device for an air collecting bag in an air blowing test, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an air leakage prevention device for an air collection bag in an air blowing test comprises: a main body mechanism and an air leakage prevention mechanism;
the main body mechanism comprises an air collecting bag body, a first pipe body is communicated with the air collecting bag body, a rubber strip is fixedly connected to the outer portion of the first pipe body, and a cover body is fixedly connected to one end of the rubber strip;
the air leakage prevention mechanism comprises four rubber elastic sheets, the four rubber elastic sheets are installed in the first pipe body, a second pipe body is fixedly connected to the first pipe body, a trapezoid part is arranged in the second pipe body, a circular plate is installed in the second pipe body, a plurality of through holes are formed in the circular plate, a first T-shaped rod is installed on the circular plate, a spring is sleeved outside the first T-shaped rod, a rubber blocking block is installed at one end of the first T-shaped rod, the rubber blocking block is in sliding connection with the trapezoid part, two second T-shaped rods are fixedly connected to the rubber blocking block, and an X-shaped rubber supporting sheet is fixedly connected to the inside of the air collecting bag body.
Preferably, the outer part of the first pipe body is symmetrically and fixedly connected with two handles.
Preferably, the outside of the first pipe body is provided with a threaded part, and the first pipe body is in threaded connection with the cover body through the threaded part.
Preferably, two adhesive layers are arranged outside the X-shaped rubber supporting piece.
Preferably, a baffle ring is fixedly connected inside the first pipe body.
Preferably, the rubber elastic sheet is located below the baffle ring.
Compared with the prior art, the utility model has the beneficial effects that:
when the air collecting bag is used, the rubber elastic sheet is arranged, so that when air is blown into the air collecting bag, the rubber elastic sheet is extruded inwards by the air, so that the air flow can enter the air collecting bag, after the air blowing is stopped, the rubber elastic sheet rebounds upwards, a large amount of air is prevented from leaking before the air collecting bag is screwed off, meanwhile, the air collecting bag is required to be extracted in batches, the second pipe body is arranged for air extraction, the convenience in air extraction is improved, the air is prevented from being discharged in a large amount due to the fact that the air collecting bag is disassembled, the air is prevented from being leaked for a plurality of times, and the inner wall of the air collecting bag is supported by the X-shaped rubber supporting sheet, so that the air is prevented from being extruded by retracting the inner wall of the air collecting bag after the cover is unscrewed.
Drawings
FIG. 1 is a schematic structural view of an air leakage prevention device of an air blowing test air collecting bag;
FIG. 2 is a schematic cross-sectional view of a gas collecting bag in the gas-leakage preventing device for a gas collecting bag in a gas blowing test according to the present utility model;
FIG. 3 is a schematic structural view of a rubber elastic sheet in the air leakage prevention device of the air collecting bag for the air blowing test of the utility model;
FIG. 4 is a schematic structural view of an X-shaped rubber support sheet in the air leakage prevention device of the air collecting bag for the air blowing test;
FIG. 5 is an enlarged schematic view of the inner structure of the second tube in FIG. 2 of the air leakage prevention device for the air collecting bag for the air blowing test of the present utility model;
fig. 6 is a schematic structural view of a circular plate in the air leakage prevention device of the air collecting bag for the air blowing test.
In the figure: 1. a gas collecting bag body; 2. a rubber strip; 3. a handle; 4. a cover body; 5. a first tube body; 6. a second tube body; 7. an X-shaped rubber supporting sheet; 8. a baffle ring; 9. a rubber elastic sheet; 10. a rubber block; 11. a spring; 12. a first T-bar; 13. a circular plate; 14. a through hole; 15. a non-setting adhesive layer; 16. a threaded portion; 17. a trapezoid part; 18. a second T-bar.
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. 1-6, the present utility model provides a technical solution:
an air leakage prevention device for an air collection bag in an air blowing test comprises: a main body mechanism and an air leakage prevention mechanism.
As shown in fig. 1-2, the main body mechanism comprises: the main body mechanism comprises an air collecting bag body 1, a first pipe body 5 is communicated with the air collecting bag body 1, a rubber strip 2 is fixedly connected to the outer portion of the first pipe body 5, and a cover body 4 is fixedly connected to one end of the rubber strip 2.
As shown in fig. 1-2, the principle of the body mechanism is as follows: the gas is blown into the gas collecting bag 1 from the first pipe body 5, then the cover body 4 is screwed on the first pipe body 5, and the rubber strip 2 can prevent the cover body 4 from dropping and losing.
As shown in fig. 2-6, the air leakage prevention mechanism comprises four rubber elastic sheets 9, the four rubber elastic sheets 9 are installed in the first pipe body 5, the second pipe body 6 is fixedly connected to the inside of the first pipe body 5, the trapezoid part 17 is arranged in the second pipe body 6, the circular plate 13 is installed in the second pipe body 6, the plurality of through holes 14 are formed in the circular plate 13, the first T-shaped rod 12 is installed on the circular plate 13, the spring 11 is sleeved outside the first T-shaped rod 12, the rubber blocking block 10 is installed at one end of the first T-shaped rod 12, the rubber blocking 10 is in sliding connection with the trapezoid part 17, the two second T-shaped rods 18 are fixedly connected to the rubber blocking 10, and the X-shaped rubber supporting sheet 7 is fixedly connected to the inside of the air collecting bag body 1.
As shown in fig. 2-6, the principle of the air leakage prevention mechanism is as follows: when air is blown into the air collecting bag body 1, the rubber elastic sheet 9 is extruded inwards by the air, so that the air flow can pass through the air collecting bag body 1 and then enter the air collecting bag body 1, after the air blowing is stopped, the rubber elastic sheet 9 rebounds upwards, a large amount of air is prevented from leaking before the air blowing is stopped, when the air collecting bag body 1 is connected to the detector, the connecting hole of the detector presses the second T-shaped rod 18, the rubber blocking piece 10 is pushed downwards, the air in the air collecting bag body 1 flows out from the through hole 14 and then flows out from the opening of the second pipe body 6, the air enters the connecting hole of the detector, after the air suction is finished, the spring 11 pushes the rubber blocking piece 10, the rubber blocking piece 10 blocks the second pipe body 6 again, the first T-shaped rod 12 and the circular plate 13 play a role of stabilizing the position of the rubber blocking piece 10, before the air blowing is stopped in the air collecting bag body 1, the X-shaped rubber supporting piece 7 is in a folded state, the adjacent surface of the X-shaped rubber supporting piece 7 is pressed by the non-drying adhesive layer 15, after the air collecting bag body 1 is bound to the air collecting bag body 1, the inner wall of the air collecting bag body 1 is propped up, the inner wall of the X-shaped rubber supporting piece 7 is driven, and the air collecting bag body is prevented from being pulled out of the adjacent surface of the X-shaped rubber supporting piece 7, and the air collecting bag body is prevented from being pulled out of the inner wall surface of the air collecting bag body 1, and the inner wall of the air bag body is prevented from being pushed to be pulled by the inner wall surface of the X-shaped supporting body 7.
In order to prevent the gas from leaking out due to pinching the gas collecting bag body 1 after blowing, two handles 3 are symmetrically and fixedly connected to the outer portion of the first pipe body 5.
In order to facilitate the disassembly of the cover body 4, the outer part of the first pipe body 5 is provided with a threaded part 16, and the first pipe body 5 is in threaded connection with the cover body 4 through the threaded part 16.
In order to maintain the attached state of the "X" shaped rubber support sheet 7 when the air is not blown into the air collecting bag body 1, two pressure-sensitive adhesive layers 15 are provided outside the "X" shaped rubber support sheet 7.
In order to prevent the rubber elastic sheet 9 from being turned upwards to cause air leakage, a baffle ring 8 is fixedly connected to the inside of the first pipe body 5.
According to the technical scheme, the working steps of the scheme are summarized and carded: when the gas is blown into the gas collecting bag body 1, the rubber elastic sheet 9 is extruded inwards by the gas, so that the gas flow can pass through and then enter the gas collecting bag body 1, after the gas blowing is stopped, the rubber elastic sheet 9 rebounds upwards to prevent a large amount of gas from leaking before screwing, when the gas collecting bag body 1 is connected to a detector, a connecting hole of the detector presses a second T-shaped rod 18, a rubber block 10 is pushed downwards, the gas in the gas collecting bag body 1 flows out from a through hole 14 and then flows out from an opening of the second pipe body 6 and enters the connecting hole of the detector, after the gas suction is finished, a spring 11 pushes the rubber block 10, the rubber block 10 blocks the second pipe body 6 again, the first T-shaped rod 12 and a circular plate 13 play a role in stabilizing the position of the rubber block 10, before the air is not blown into the air collecting bag body 1, the X-shaped rubber supporting piece 7 is in a folded state, the adjacent surfaces of the X-shaped rubber supporting piece 7 are bonded by the adhesive layer 15, after the air is blown into the air collecting bag body 1, the air collecting bag body 1 is supported, the inner wall of the air collecting bag body 1 drives the X-shaped rubber supporting piece 7 to move to two sides, the adhesive layer 15 of the adjacent surfaces of the X-shaped rubber supporting piece 7 is torn, the inner wall of the air collecting bag body 1 is supported by the X-shaped rubber supporting piece 7, the air is prevented from being extruded by retracting the inner wall of the air collecting bag body 1 after the cover body 4 is unscrewed, the air is blown into the air collecting bag body 1 from the first pipe body 5, then the cover body 4 is screwed on the first pipe body 5, and the rubber strip 2 can prevent the cover body 4 from falling and losing.
To sum up: when the air collecting bag is used, the rubber elastic sheet 9 is arranged, so that when air is blown into the air collecting bag body 1, the rubber elastic sheet 9 is extruded inwards by the air, so that the air flow can pass through and then enter the air collecting bag body 1, after the air blowing is stopped, the rubber elastic sheet 9 rebounds upwards, a large amount of air is prevented from leaking before the cover is screwed on, the rubber blocking piece 10 is pushed downwards during air discharging, the air in the air collecting bag body 1 flows out from the through hole 14 and then flows out from the opening of the second pipe body 6, the air in the air collecting bag body 1 enters the extraction needle tube, the extraction needle tube is taken out from the second pipe body 6, the spring 11 pushes the rubber blocking piece 10, the second pipe body 6 is blocked again by the rubber blocking piece 10, the convenience in air suction is improved, the air caused by the cover 4 is prevented from being detached from flowing out in a large amount, the air is prevented from leaking out for a plurality of times, and the inner wall of the air collecting bag body 1 can be prevented from being retracted and extruded after the cover 4 is unscrewed.
None of the utility models are related to the same or are capable of being practiced in the prior art. 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 (6)
1. An air leakage prevention device for an air collection bag in an air blowing test is characterized by comprising: a main body mechanism and an air leakage prevention mechanism;
the main body mechanism comprises an air collecting bag body (1), a first pipe body (5) is communicated with the air collecting bag body (1), a rubber strip (2) is fixedly connected to the outside of the first pipe body (5), and a cover body (4) is fixedly connected to one end of the rubber strip (2);
the anti-leakage mechanism comprises four rubber elastic sheets (9), wherein the four rubber elastic sheets (9) are arranged in the first pipe body (5), a second pipe body (6) is fixedly connected to the first pipe body (5), a trapezoid part (17) is arranged in the second pipe body (6), a circular plate (13) is arranged in the second pipe body (6), a plurality of through holes (14) are formed in the circular plate (13), a first T-shaped rod (12) is arranged on the circular plate (13), a spring (11) is sleeved outside the first T-shaped rod (12), a rubber block (10) is arranged at one end of the first T-shaped rod (12), the rubber block (10) is connected with the trapezoid part (17) in a sliding mode, two second T-shaped rods (18) are fixedly connected to the rubber block (10), and an X-shaped rubber support sheet (7) is fixedly connected to the inside of the air collecting bag body (1).
2. The air leakage prevention device for the air blowing test air collection bag according to claim 1, wherein: two handles (3) are symmetrically and fixedly connected to the outer part of the first pipe body (5).
3. The air leakage prevention device for the air blowing test air collection bag according to claim 1, wherein: the outside of first body (5) has offered screw thread portion (16), first body (5) pass through screw thread portion (16) with lid (4) threaded connection.
4. The air leakage prevention device for the air blowing test air collection bag according to claim 1, wherein: two adhesive layers (15) are arranged outside the X-shaped rubber supporting sheet (7).
5. The air leakage prevention device for the air blowing test air collection bag according to claim 1, wherein: the inside of the first pipe body (5) is fixedly connected with a baffle ring (8).
6. The air leakage prevention device for the air blowing test air collection bag according to claim 5, wherein: the rubber elastic sheet (9) is positioned below the baffle ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222339827.8U CN218922643U (en) | 2022-09-03 | 2022-09-03 | Air leakage prevention device for air collecting bag in air blowing test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222339827.8U CN218922643U (en) | 2022-09-03 | 2022-09-03 | Air leakage prevention device for air collecting bag in air blowing test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218922643U true CN218922643U (en) | 2023-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222339827.8U Active CN218922643U (en) | 2022-09-03 | 2022-09-03 | Air leakage prevention device for air collecting bag in air blowing test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218922643U (en) |
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2022
- 2022-09-03 CN CN202222339827.8U patent/CN218922643U/en active Active
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