CN217447785U - Blowing disc for detecting respiratory flow of pulmonary function tester - Google Patents
Blowing disc for detecting respiratory flow of pulmonary function tester Download PDFInfo
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- CN217447785U CN217447785U CN202121715956.1U CN202121715956U CN217447785U CN 217447785 U CN217447785 U CN 217447785U CN 202121715956 U CN202121715956 U CN 202121715956U CN 217447785 U CN217447785 U CN 217447785U
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- guide plate
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Abstract
The utility model discloses a lung function tester breathes flow detection with blowing dish, including two air guide plate of mutually supporting, air guide plate's center is equipped with the air guide hole, air guide plate's lateral surface is provided with the flange, the lateral surface of flange is provided with the gas port that is linked together with air guide plate center air guide hole, air guide plate is last to be provided with the T type connecting portion with flange integrated into one piece, air guide plate one end of the relative T type connecting portion of T type connecting portion be provided with flange integrated into one piece's installation end. The beneficial effects are that: make the atmospheric pressure on steel mesh both sides different when the air current passes through the steel mesh, thereby produce pressure differential on the steel mesh both sides, and lead the air guide mouth of air guide groove and pressure guide hole with pressure differential leading-in handle through the annular on the air guide dish, the effect of air guide dish produces pressure differential through the steel mesh in the middle of on the one hand, can learn the size of middle air current of passing through measuring this pressure differential, thereby measure the size of air current flow, learn the size of lung capacity.
Description
Technical Field
The utility model relates to a pulmonary function detection device technical field especially relates to a pulmonary function tester breathes flow detection with blowing dish.
Background
The lung function tester quantitatively measures the flow and volume of exhalation and inhalation of a human body through the respiratory flow sensor according to the flow integral principle, provides clinical detection data of the human body in the aspects of forced vital capacity, calm vital capacity, maximum ventilation capacity and the like, and analyzes and judges the lung dysfunction type of the human body according to the measurement data.
The existing blowing disc has low precision, small measuring range, poor signal performance, large breathing resistance and inconvenient disassembly and disinfection in use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lung function tester breathes flow detection with blowing dish, the air pressure that can make the steel mesh both sides when the air current passes through the steel mesh is different, thereby produce pressure differential on the steel mesh both sides, and lead the air guide mouth of air guide groove and pressure guide hole with the leading-in handle of pressure differential through the annular on the air guide dish, the effect of air guide dish produces pressure differential through the steel mesh in the middle of on the one hand, can learn the size of the middle air current that passes through measuring this pressure differential, thereby record the size of air current flow, learn the size of lung capacity.
The technical scheme of the utility model is realized like this:
the utility model provides a pulmonary function tester breathes flow detection with blowing dish, includes two air guide plate of mutually supporting, the center of air guide plate is equipped with the air guide hole, the lateral surface of air guide plate is provided with the flange, the lateral surface of flange is provided with the gas port that is linked together with air guide plate center air guide hole, be provided with the T type connecting portion with flange integrated into one piece on the air guide plate, the one end of the relative T type connecting portion of air guide plate is provided with the installation end with flange integrated into one piece, it is equipped with the pressure guide post to inlay on the installation end, be provided with the pressure guide hole that is linked together with air guide plate inside in the pressure guide post, the internal surface of air guide plate is provided with the steel mesh placing structure who places the steel mesh.
Furthermore, the steel mesh placing structure comprises a plurality of placing blocks arranged along the inner side face of the air guide plate, and an air guide channel is formed between every two adjacent placing blocks.
Furthermore, an annular air baffle plate is arranged between the steel mesh placing structure and the inner wall of the air guide disc, an annular air guide groove is formed between the annular air baffle plate and the steel mesh placing structure, and the air guide channel is communicated with the annular air guide groove.
Furthermore, an air hole communicated with the pressure guide hole is formed in the annular air guide groove.
The utility model has the advantages that: the respiratory airflow enters from the air port of one air guide disc, passes through the steel mesh and then exits from the air port of the other air guide disc; make the atmospheric pressure on steel mesh both sides different when the air current passes through the steel mesh, thereby produce pressure differential on the steel mesh both sides, and lead the air guide mouth that the hole leads to the handle with pressure differential through the annular air guide groove on the air guide dish, the effect of air guide dish produces pressure differential through the steel mesh in the middle of on the one hand, on the other hand is the pressure differential that obtains both sides through the annular air guide groove, and carry the pressure differential sensor to the handle in through leading the pressure differential hole, measure the size of the air current that this pressure differential passed through in the middle of coming to know, thereby measure the size of air current flow, learn the flow of exhalation and inspired gas through measuring flow, and can learn the size of lung capacity through the accumulation of flow.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a blowing plate for detecting respiratory flow of a pulmonary function tester;
FIG. 2 is a schematic view of an air guide plate;
FIG. 3 is a schematic view of the interior of the gas guide plate;
FIG. 4 is a top view of the air guide plate;
FIG. 5 is a schematic view of the blow plate connected to the handle;
FIG. 6 is a schematic view of the handle;
fig. 7 is a schematic view of the hand wrestling.
In the figure:
1. an air guide plate; 2. an air vent; 3. a flange; 4. a gas port; 5. a T-shaped connecting part; 6. an installation end; 7. a pressure guide column; 8. pressure guide holes; 9. placing the blocks; 10. an air guide channel; 11. an annular air baffle; 12. an annular air guide groove; 13. air holes; 14. breaking the hand grooves; 15. breaking hands; 16. a handle fixing end; 17. a handle; 18. breaking the hand fixing hole; 19. the air guide plate is fixed at the end.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
According to the utility model discloses an embodiment provides a pulmonary function tester breathes flow detection with blowing dish.
Referring to fig. 1-7, according to the utility model discloses lung function tester breathes flow detection with blowing dish, including two air guide plate 1 of mutually supporting, air guide plate 1's center is equipped with air guide hole 2, air guide plate 1's lateral surface is provided with flange 3, flange 3's lateral surface is provided with the gas port 4 that is linked together with air guide plate 1 center air guide hole 2, air guide plate 1 is last to be provided with T type connecting portion 5 with flange 3 integrated into one piece, air guide plate 1 one end relative T type connecting portion 5 is provided with the installation end 6 with flange 3 integrated into one piece, the embedding is equipped with pressure guide post 7 on installation end 6, be provided with the pressure guide hole 8 that is linked together with air guide plate 1 inside in the pressure guide post 7, air guide plate 1's internal surface is provided with the steel mesh of placing the steel mesh and places the structure.
Through the technical scheme: the respiratory airflow enters from the air port 4 of one air guide disc 1, passes through a steel mesh and then exits from the air port 4 of the other air guide disc 1; when the air current passes through the steel mesh, the air pressure on two sides of the steel mesh can be different, so that pressure difference is generated on two sides of the steel mesh, and the pressure difference is transmitted to the pressure difference sensor in the handle 17 through the pressure guide hole 8 in the pressure guide column 7. The magnitude of the intermediate flow can be known by measuring this pressure difference, and hence the magnitude of the flow of the gas, the flow of exhaled and inhaled gas by measuring the flow, and the magnitude of the lung volume by summation of the flows.
Further, the steel mesh placing structure comprises a plurality of placing blocks 9 arranged along the inner side surface of the air guide plate 1, and an air guide channel 10 is formed between two adjacent placing blocks 9.
Through the technical scheme: an air guide channel 10 is formed between two adjacent placing blocks 9, so that air guide is facilitated.
Further, an annular air baffle plate 11 is arranged between the steel mesh placing structure and the inner wall of the air guide disc 1, an annular air guide groove 12 is formed between the annular air baffle plate 11 and the steel mesh placing structure, and the air guide channel 10 is communicated with the annular air guide groove 12.
Through the technical scheme: an annular air guide groove 12 is formed between the annular air baffle 11 and the steel mesh placing structure, the air guide channel 10 is communicated with the annular air guide groove 12, and the pressure difference between the two sides is obtained through the annular air guide groove 12. In addition, a sealing ring mounting groove is formed between the annular gas baffle 11 and the inner wall of the gas guide disc 1, a sealing ring is mounted, and the sealing ring plays a role in fixing a steel mesh while avoiding gas leakage.
Further, an air hole 13 communicated with the pressure guide hole 8 is arranged in the annular air guide groove 12.
Through the technical scheme: an air hole 13 communicated with the pressure guide hole 8 is formed in the annular air guide groove 12, the air hole 13 is communicated with the pressure guide hole 8 in the pressure guide column 7, and the pressure difference is conveyed to a pressure difference sensor in the handle through the pressure guide hole 8.
In addition, hand-breaking grooves 14 are symmetrically arranged on the surface of the air guide plate 1, and hand-breaking hands 15 are installed through the hand-breaking grooves 14. The handle and the blow tray can be fixed by the hand wrestling slot 14 through the hand wrestling hand 15.
One end of the hand 15 is matched with a hand fixing hole 18 on a handle shell 17 through a handle fixing end 16, and the other end is matched with the T-shaped connecting part 5 through an air guide disc fixing end 19.
One end of the hand 15 is matched with a hand fixing hole 18 on the side surface of the handle shell 17 through a handle fixing end 16, and the other end is matched with the T-shaped connecting part 7 through an air guide disc fixing end 19. Not only can tightly compact the two air guide discs, but also can be conveniently and manually disassembled. Specifically, an arc groove matched with the side surface of the blow tray is arranged on the inner side of the hand-wrestling hand 15.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. A blowing disc for detecting the respiratory flow of a pulmonary function tester is characterized by comprising two air guide discs (1) which are matched with each other, an air guide hole (2) is arranged in the center of the air guide disc (1), a flange (3) is arranged on the outer side surface of the air guide disc (1), the outer side surface of the flange (3) is provided with an air port (4) communicated with the central air guide hole (2) of the air guide disc (1), the air guide plate (1) is provided with a T-shaped connecting part (5) which is integrally formed with the flange (3), one end of the air guide disc (1) opposite to the T-shaped connecting part (5) is provided with a mounting end (6) which is integrally formed with the flange (3), a pressure guide column (7) is embedded on the mounting end (6), a pressure guide hole (8) communicated with the inside of the air guide disc (1) is arranged in the pressure guide column (7), the inner surface of the air guide disc (1) is provided with a steel mesh placing structure for placing a steel mesh.
2. The blowing tray for detecting the respiratory flow of the pulmonary function tester according to claim 1, wherein the steel mesh placing structure comprises a plurality of placing blocks (9) arranged along the inner side surface of the air guide tray (1), and an air guide channel (10) is formed between two adjacent placing blocks (9).
3. The blowing tray for detecting the respiratory flow of the pulmonary function tester according to claim 2, wherein an annular air baffle (11) is arranged between the steel mesh placement structure and the inner wall of the air guide tray (1), an annular air guide groove (12) is formed between the annular air baffle (11) and the steel mesh placement structure, and the air guide channel (10) is communicated with the annular air guide groove (12).
4. The blowing disc for detecting the respiratory flow of the lung function tester according to claim 3, wherein an air hole (13) communicated with the pressure guide hole (8) is formed in the annular air guide groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121715956.1U CN217447785U (en) | 2021-07-27 | 2021-07-27 | Blowing disc for detecting respiratory flow of pulmonary function tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121715956.1U CN217447785U (en) | 2021-07-27 | 2021-07-27 | Blowing disc for detecting respiratory flow of pulmonary function tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217447785U true CN217447785U (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121715956.1U Active CN217447785U (en) | 2021-07-27 | 2021-07-27 | Blowing disc for detecting respiratory flow of pulmonary function tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217447785U (en) |
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2021
- 2021-07-27 CN CN202121715956.1U patent/CN217447785U/en active Active
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