CN112489544A

CN112489544A - Breathing simulator

Info

Publication number: CN112489544A
Application number: CN202011424555.0A
Authority: CN
Inventors: 李建华; 陈厚昌; 林昱亮
Original assignee: Dongguan Hoto Technology Co ltd
Current assignee: Dongguan Hoto Technology Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-03-12

Abstract

The invention discloses a breathing simulator which comprises a base, wherein an air inlet and an air outlet are formed in the base, a breathing cavity is formed in the base, a piston assembly is arranged in the breathing cavity, a driving mechanism is arranged at the upper part of the breathing cavity, and the driving mechanism drives the piston assembly to move up and down, so that air is breathed into the breathing cavity from the air inlet and is exhaled from the air outlet. The breathing simulator provided by the invention simulates breathing by adopting a mode of driving the piston by the screw rod, and has the advantages of simple structure, convenience in use and low production cost. In addition, the water tank is arranged in the base of the breathing simulator provided by the invention, so that the exhaled air carries moisture and is closer to the real breathing condition of a human body.

Description

Breathing simulator

Technical Field

The invention relates to the field of test equipment, in particular to a breathing simulator.

Background

Before the product leaves a factory, the product needs to be tested to detect whether the performance of the product meets the requirements or whether the quality of the product is over-qualified, so that corresponding test equipment is needed, and a breathing simulator is the test equipment. The breathing simulator is used for simulating the breathing condition of a human body and testing corresponding products, such as mask testing.

However, the existing breathing simulator has a complex structure, which brings great inconvenience to production and operation, such as public (announcement): CN205050459U discloses a breathing simulator, and the gas exhaled by the existing simulator has no moisture, and does not conform to the real situation of human breathing.

Disclosure of Invention

The present invention addresses the above-mentioned problems with the prior art and provides a breathing simulator.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the utility model provides a breathing simulator, includes the base, air inlet and gas outlet have been seted up on the base, be equipped with the breathing chamber on the base, be equipped with piston assembly in the breathing chamber, upper portion is equipped with actuating mechanism, actuating mechanism drive piston assembly reciprocates, makes gaseous breathing chamber of breathing from the air inlet incoming call, from the gas outlet exhalation.

Further, the base includes shell body and interior casing, be equipped with the basin in the interior casing, be equipped with out gas tank and air inlet duct in the basin, the cell wall height that goes out the gas tank is less than the cell wall height of air inlet duct, the cell wall height of basin is the same with the cell wall height of air inlet duct.

Furthermore, a water level observation channel (10) is formed between the air outlet groove (8) and the air inlet groove (9), and a perspective window (11) is formed at the end part of the water level observation channel (10).

Further, breathing chamber (4) include cavity (13), be equipped with first baffle (12) between cavity (13) and base (1), first baffle (12) top is equipped with rubber gasket (14), cavity (13) and base (1) are through rubber gasket (14) sealing connection, blow vent (19) have been seted up in first baffle (12).

Furthermore, a fixing seat (20) is arranged in the air vent (19), and a pressure relief silica gel sheet (22) is arranged on the fixing seat (20).

Further, the piston assembly (5) comprises a piston (23), the lower end of the ball screw (24) is rotatably connected with the first partition plate (12), the upper end of the ball screw penetrates through the piston (23) and is connected with a driving mechanism (27), and the driving mechanism (27) drives the ball screw (24) to rotate, so that the piston (23) moves up and down.

Further, the piston (23) comprises a first piston ring (28), a first boss is arranged on the inner wall of the first piston ring (28), a second piston ring (29) is arranged on the first boss, a second boss is arranged on the inner wall of the second piston ring (29), and a piston disc (30) is arranged on the second boss.

The invention has the beneficial effects that:

the breathing simulator provided by the invention simulates breathing by adopting a mode of driving the piston by the screw rod, and has the advantages of simple structure, convenience in use and low production cost. In addition, the water tank is arranged in the base of the breathing simulator provided by the invention, so that the exhaled air carries moisture and is closer to the real breathing condition of a human body.

Drawings

FIG. 1 is a schematic diagram of a breathing simulator according to the present invention;

FIG. 2 is an exploded view of the breathing simulator of the present invention;

fig. 3 is a schematic structural view of the inner housing of the present invention.

In the figure: 1-base, 2-air inlet, 3-air outlet, 4-breathing cavity, 5-piston component, 6-outer shell, 7-inner shell, 8-air outlet groove, 9-air inlet groove, 10-water level observation channel, 11-perspective window, 12-first clapboard, 13-cavity, 14-sealing rubber ring, 15-top cover, 16-second clapboard, 17-connecting rod, 18-nut, 19-air vent, 20-fixing seat, 22-pressure relief silica gel sheet, 23-piston, 24-ball screw, 25-bearing seat, 26-water tank, 27-driving mechanism, 28-first piston ring, 29-second piston ring and 30-piston disc.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1-3, the breathing simulator provided by the present invention includes a base 1, an air inlet 2 and an air outlet 3 are disposed on the base 1, a breathing cavity 4 is disposed on the base 1, a piston assembly 5 is disposed in the breathing cavity 4, and a driving mechanism 27 is disposed on an upper portion of the breathing cavity 4.

The driving mechanism 27 drives the piston assembly 5 to move up and down, so that gas is breathed in from the gas inlet 2 and is breathed out from the gas outlet 3, and further simulation of the breathing process is realized.

Referring to fig. 2 and 3, the base 1 includes an outer shell 6 and an inner shell 7 disposed in the outer shell 6, a water tank 26 is disposed in the inner shell 7, and an air outlet tank 8 and an air inlet tank 9 are disposed in the water tank 26.

The air outlet 3 is arranged on the air outlet groove 8, the air inlet 2 is arranged on the air inlet groove 9, and a water level observation channel 10 is formed between the air outlet groove 8 and the air inlet groove 9.

The height of the wall of the air outlet groove 8 is less than that of the air inlet groove 9, and the height of the wall of the water groove 26 is the same as that of the wall of the air inlet groove 9.

Therefore, when the respiratory gas is discharged from the gas outlet groove 8, the respiratory gas carries moisture, is closer to the respiratory state of the human body, and is more real and effective in simulation.

The end of the water level observation channel 10 is provided with a perspective window 11. The perspective window 11 is convenient for a user to observe the water level inside the water tank 26, and water can be added in time, so that the simulation experiment can be carried out smoothly.

Breathing chamber 4 includes cavity 13, is equipped with first baffle 12 between cavity 13 and the base 1, and first baffle 12 top is equipped with sealing rubber ring 14. The sealing rubber ring 14 makes the cavity 13 and the base 1 connected in a sealing way.

An air vent 19 is formed in the first partition plate 12 above the air inlet groove 9, a fixing seat 20 is arranged in the air vent 19, a pressure relief silica gel sheet 22 is arranged on the fixing seat 20, and the cavity 13 is communicated with the base 1 through the air vent 19.

A top cover 15 is arranged at the upper part of the cavity 13, and a second clapboard 16 is arranged between the top cover 15 and the cavity 13.

The connecting rod 17 passes through the outer shell 6, the inner shell 7, the first partition plate 12, the sealing rubber ring 14, the second partition plate 16, the top cover 15 and the nut 18 in sequence from the lower part of the base 1 to be connected, and the components are fixedly connected together.

The piston assembly 5 comprises a piston 23, the lower end of a ball screw 24 is connected with a bearing seat 25 fixed on the first partition plate 12, the upper end of the ball screw passes through the piston 23, the second partition plate 16 and a driving mechanism 27 arranged in the top cover 15 to be connected, the driving mechanism 27 is a driving motor, and the driving motor is fixed on the second partition plate 16.

The piston 23 comprises a first piston ring 28, a first boss is arranged on the inner wall of the first piston ring 28, a second piston ring 29 is arranged on the first boss, a second boss is arranged on the inner wall of the second piston ring 29, and a piston disc 30 is arranged on the second boss.

The working principle is as follows:

when the air breathing device is used, the driving mechanism 27 drives the ball screw 24 to rotate, so that the piston 23 moves up and down, air enters the air inlet groove 9 from the air inlet 2, enters the breathing cavity 4 from the air inlet groove 9, then enters the water tank 26 and the air outlet groove 8 from the breathing cavity 4, and finally, humid air close to breathing is exhaled from the air outlet 3.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims

1. A breathing simulator, characterized by: including base (1), air inlet (2) and gas outlet (3) have been seted up on base (1), base (1) top is equipped with respiratory cavity (4), be equipped with piston assembly (5) in respiratory cavity (4), upper portion is equipped with actuating mechanism (27), actuating mechanism (27) drive piston assembly (5) reciprocate, make gaseous breathing cavity (4) of breathing in from air inlet (2) incoming call, from gas outlet (3) exhalation.

2. The breathing simulator of claim 1, wherein: base (1) includes shell body (6) and interior casing (7), be equipped with basin (26) in interior casing (7), be equipped with air outlet groove (8) and air inlet groove (9) in basin (26), the cell wall height that is less than air inlet groove (9) of air outlet groove (8), the cell wall height of basin (26) is the same with the cell wall height of air inlet groove (9).

3. The breathing simulator of claim 2, wherein: form water level between gas outlet groove (8) and air inlet groove (9) and observe passageway (10), perspective window (11) have been seted up to water level observation passageway (10) tip.

4. The breathing simulator of claim 1, wherein: respiratory cavity (4) include cavity (13), be equipped with first baffle (12) between cavity (13) and base (1), first baffle (12) top is equipped with rubber gasket (14), cavity (13) and base (1) are through rubber gasket (14) sealing connection, blow vent (19) have been seted up on first baffle (12).

5. The breathing simulator of claim 4, wherein: a fixing seat (20) is arranged in the air vent (19), and a pressure relief silica gel sheet (22) is arranged on the fixing seat (20).

6. The breathing simulator of claim 1, wherein: piston assembly (5) include piston (23), and ball screw (24) lower extreme and first baffle (12) rotary type are connected, and piston (23) and actuating mechanism (27) are passed to the upper end and are connected, actuating mechanism (27) drive ball screw (24) rotate, make piston (23) reciprocate.

7. The breathing simulator of claim 6, wherein: the piston (23) comprises a first piston ring (28), a first boss is arranged on the inner wall of the first piston ring (28), a second piston ring (29) is arranged on the first boss, a second boss is arranged on the inner wall of the second piston ring (29), and a piston disc (30) is arranged on the second boss.