CN212631489U

CN212631489U - Tubular nasal inhalation filter

Info

Publication number: CN212631489U
Application number: CN202020428310.4U
Authority: CN
Inventors: 翟小雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-11
Filing date: 2020-03-30
Publication date: 2021-03-02
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses a tubular nasal inhalation filter, which comprises a three-way valve arranged on the nasal part of a human body and two tubular respiration filters arranged at the two ends of the three-way valve, wherein the tubular respiration filters adopt filter screens to be repeatedly folded and curled to form a circular arc tubular structure with one closed end and one opened end, and the opened end of the tubular respiration filter is communicated with the end head of the three-way valve, so that the two tubular respiration filters and the three-way valve form a U-shaped structure; the three-way valve adopts a cylindrical structure, a nose opening is arranged outside the three-way valve, and the surface of the three-way valve is provided with an air outlet for air outlet and an air inlet for air inlet; the temperature of air inhaled by the device can exchange heat with the exhaled air, so that the stimulation of a respiratory system caused by the fact that the temperature of the inhaled air is too low can be prevented.

Description

Tubular nasal inhalation filter

Technical Field

The utility model belongs to the technical field of the filter, specifically a tubular nose filter of breathing in.

Background

Under the condition of haze weather or air pollution in a working environment, the simplest product capable of carrying out respiratory protection is the mask, but the mask has many characteristics which can influence the use effect or the use comfort; firstly, the area of the mask is basically fixed, when a better filtering effect is pursued, the thickness of the mask or the compactness of the mask material is inevitably increased, so that the breathing resistance is large and sultry when the mask is worn, and the phenomenon that the exhaled gas atomizes the glasses exists when the mask is worn by people with glasses.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a tubular nose filter of breathing in.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a tubular nasal inhalation filter comprises a three-way valve arranged on a human nasal part and two tubular breathing filters arranged at two ends of the three-way valve, wherein the tubular breathing filters are repeatedly folded and curled by adopting filter screens to form an arc-shaped tubular structure with one closed end and one open end, and the open ends of the tubular breathing filters are communicated with the end heads of the three-way valve, so that the two tubular breathing filters and the three-way valve form a U-shaped structure;

the three-way valve adopts the drum structure, the outside of three-way valve is provided with the nose mouth, the three-way valve surface is provided with the gas outlet that is used for giving vent to anger and the air inlet that is used for admitting air.

Preferably, the three-way valve is internally provided with two planes which are parallel but do not penetrate through the central axis of the cylinder, the three-way valve is internally divided into three spaces, two ends of one space are unblocked, two ends of the other two spaces are closed, the two planes which are used for dividing the three spaces in the three-way valve are respectively provided with a one-way valve, each one-way valve is composed of a hole and a membrane, and the membranes of the one-way valves are made of rubber.

Preferably, a thin-walled tube is arranged inside the tubular breathing filter, the thin-walled tube is of a spiral structure, one end of the thin-walled tube is communicated with an air outlet in the three-way valve, the other end of the thin-walled tube extends to the outside of the closed end of the tubular breathing filter, and an area between the inside of the tubular breathing filter and the outer wall of the thin-walled tube is communicated with an air inlet in the three-way valve.

Preferably, the pot head has been cup jointed to the blind end of tubular breathing filter, the pot head adopts the cylindric structure of both ends trompil, the one end of pot head is provided with the cloth belt circle, it is used for with to alternate on the cloth belt circle tubular breathing filter hangs in the hangers rope of human ear.

Preferably, two groups of fixing ropes are symmetrically arranged on the surface of the closed end of the tubular breathing filter, threading holes are formed in the positions, located on the fixing ropes, on the surface of the end sleeve, and the two groups of fixing ropes penetrate through the threading holes and are fixedly bolted with each other.

The utility model relates to a tubular nose filter of breathing in, this filter is when using, the exhaust gas of exhalation can not get into the filter screen, can not cause the filter screen to be soaked by the steam of exhalation, has avoided the filter effect to descend and the filter screen life-span to shorten, and this tubular nose filter of breathing in is to nasal cavity inhaled gas and filter, and the gas of exhalation is discharged by both ends of device, can not have the atomizing phenomenon of glasses to some crowds of taking glasses like this;

the utility model discloses in, because the inside thin wall pipe that is provided with of tubular respiratory filter, and the thin wall pipe adopts helical structure, the one end of thin wall pipe and the gas outlet intercommunication on the three-way valve, such structure setting makes the device when exhaling and breathing in, and the exhalation gas can produce the heat exchange with the suction gas to the messenger inhales clean air temperature and rises, can prevent like this that the suction air temperature crosses the stimulation that causes respiratory excessively.

Drawings

Fig. 1 is a schematic view of the overall structure of a tubular nasal inhalation filter according to the present invention;

FIG. 2 is a schematic structural view of a three-way valve in a tubular nasal inhalation filter according to the present invention;

FIG. 3 is a schematic view of the suction shape of the cross section of the three-way valve in the tubular nasal suction filter according to the present invention;

fig. 4 is a schematic view of the exhalation configuration of the cross section of the three-way valve in the tubular nasal inhalation filter of the present invention.

Reference numerals: 1. a loop rope; 2. a cloth belt ring; 3. threading holes; 4. fixing a rope; 5. end sleeves; 6. a tubular respiratory filter; 7. a thin-walled tube; 8. a three-way valve; 81. a nasal opening; 82. an air outlet; 83. an air inlet; 84. a one-way valve.

Detailed Description

The following further describes a specific embodiment of the tubular nasal inhalation filter according to the present invention with reference to fig. 1 to 4. The present invention relates to a tubular nasal inhalation filter which is not limited to the description of the following embodiments.

Example 1:

the present embodiment provides a specific structure of a tubular nasal inhalation filter, as shown in fig. 1-4, including a three-way valve 8 disposed on a human nose, and two tubular respiratory filters 6 disposed at two ends of the three-way valve 8, where the tubular respiratory filters 6 are formed by repeatedly folding and curling filter screens to form an arc-shaped tubular structure with one end closed and the other end open, and an open end of the tubular respiratory filters 6 is communicated with an end of the three-way valve 8, so that the two tubular respiratory filters 6 and the three-way valve 8 form a U-shaped structure;

the three-way valve 8 is of a cylindrical structure, a nose opening 81 is arranged outside the three-way valve 8, and an air outlet 82 for air outlet and an air inlet 83 for air inlet are arranged on the surface of the three-way valve 8.

The three-way valve 8 is internally provided with two planes which are parallel but do not penetrate through the central axis of the cylinder, the three-way valve 8 is internally divided into three spaces, two ends of one space are smooth, two ends of the other two spaces are closed, the two planes which are used for dividing the three spaces in the three-way valve 8 are respectively provided with a one-way valve 84, each one-way valve 84 is composed of a hole and a membrane, and the membranes of the one-way valves 84 are made of rubber.

The tube type breathing filter 6 is internally provided with a thin-wall tube 7, the thin-wall tube 7 adopts a spiral structure, one end of the thin-wall tube 7 is communicated with an air outlet 82 on the three-way valve 8, the other end of the thin-wall tube 7 extends to the outside of the closed end of the tube type breathing filter 6, and the area between the inside of the tube type breathing filter 6 and the outer wall of the thin-wall tube 7 is communicated with an air inlet 83 on the three-way valve 8.

The three spaces inside the three-way valve 8 are respectively a space a, a space B and a space C (i.e. A, B, C in fig. 3 and 4), wherein two ends of the space a penetrate through the area between the inside of the connecting tube type respiratory filter 6 and the outer wall of the thin-walled tube 7, two ends of the two spaces B and C are closed, the space B corresponds to the nose opening 81 and is placed at the nose of a human body when being worn, and the space C corresponds to one end of the thin-walled tube 7 so as to communicate the space C with the external environment.

The working principle of the three-way valve 8 is as follows: on two planes dividing the three spaces, there is a one-way valve 84 composed of a hole and a diaphragm respectively, the diaphragm can be opened and closed under the action of the airflow generated by respiration, so that the airflow can only flow in one direction;

with reference to fig. 3, during inhalation, air can only flow from the space a to the space B through the check valve 84 and enter the nasal cavity, negative pressure is formed inside the filter element due to the communication of the space a with the inside of the filter element, and the outside air passes through the filter element under the action of atmospheric pressure, is filtered and purified, and is continuously inhaled, while the check valve 84 between the space B and the space C is closed, and no air flows;

combine figure 4, during the expiration, the exhaust gas of exhalation can only follow B space flow direction C space to direct flow is to the external environment, can not produce the resistance to the expiration action, and simultaneously, check valve 8 between B space and the A space is closed, and the exhaust gas of exhalation can not get into the filter screen, can not cause the filter screen to be soaked by the steam of exhalation, has avoided the filter effect to descend and the filter screen life-span shortens.

With reference to fig. 3-4, the exhaust gas exhaled from the three-way valve 8 has a certain temperature, and when passing through the inside of the spiral thin-walled tube 7, the exhaust gas can exchange heat to the air in the region between the inside of the tubular breathing filter 6 and the outer wall of the thin-walled tube 7, so that the temperature of the air in the region between the inside of the tubular breathing filter 6 and the outer wall of the thin-walled tube 7 is increased, and thus the temperature of the inhaled clean air is increased, and the stimulation of the respiratory system caused by the excessively low temperature of the inhaled air can be prevented.

Example 2:

this embodiment provides a concrete structure of tubular nose filter of breathing in, as shown in fig. 1, the blind end of tubular breathing filter 6 has cup jointed the pot head 5, and pot head 5 adopts the cylindric structure of both ends trompil, and the one end of pot head 5 is provided with strap ring 2, and the interlude is provided with on strap ring 2 and is used for hanging tubular breathing filter 6 in the hangers rope 1 of human ear.

The closed end surface of the tubular breathing filter 6 is symmetrically provided with two groups of fixed ropes 4, the surface of the end sleeve 5 is positioned at the position of the fixed ropes 4, and the two groups of fixed ropes 4 pass through the threading holes 3 and are fixedly bolted with each other.

By adopting the technical scheme:

when wearing the device, cup joint the pot head 5 at the blind end of tubular breathing filter 6 to make tubular breathing filter 6's blind end surface fixed rope 4 pass through wires hole 3 on the pot head 5, alternate hangers rope 1 on cloth belt ring 2 again, hangers rope 1 adopts the elasticity strap structure, accomplishes the back, hangs hangers rope 1 in human ear, and makes the nose mouth 81 on the three-way valve 8 correspond at the nasal part of human body, accomplishes and wears.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a tubular nose filter of breathing in, including set up in three-way valve (8) of human nasal part, two set up in filter (6) are breathed to the tubular at three-way valve (8) both ends, its characterized in that: the tubular breathing filter (6) is formed into a circular arc tubular structure with one closed end and one open end by repeatedly folding and curling a filter screen, the open end of the tubular breathing filter (6) is communicated with the end of the three-way valve (8), so that the two tubular breathing filters (6) and the three-way valve (8) form a U-shaped structure;

the three-way valve (8) adopts a cylinder structure, the outside of the three-way valve (8) is provided with a nose opening (81), and the surface of the three-way valve (8) is provided with an air outlet (82) for air outlet and an air inlet (83) for air inlet.

2. A tubular nasal inhalation filter according to claim 1 wherein: the three-way valve is characterized in that two planes which are parallel to each other but do not penetrate through the central axis of the cylinder are arranged in the three-way valve (8), the three-way valve (8) is divided into three spaces, two ends of one space are smooth, two ends of the other two spaces are closed, one-way valves (84) are arranged on the two planes which are used for dividing the three spaces in the three-way valve (8), each one-way valve (84) is composed of a hole and a diaphragm, and the diaphragms of the one-way valves (84) are made of rubber.

3. A tubular nasal inhalation filter according to claim 1 wherein: the tubular breathing filter is characterized in that a thin-walled tube (7) is arranged inside the tubular breathing filter (6), the thin-walled tube (7) is of a spiral structure, one end of the thin-walled tube (7) is communicated with an air outlet (82) in the three-way valve (8), the other end of the thin-walled tube (7) extends to the outside of the closed end of the tubular breathing filter (6), and the inside of the tubular breathing filter (6) is communicated with an area between the outer walls of the thin-walled tube (7) and an air inlet (83) in the three-way valve (8).

4. A tubular nasal inhalation filter according to claim 1 wherein: the blind end of tubular breathing filter (6) has cup jointed pot head (5), pot head (5) adopt the cylindric structure of both ends trompil, the one end of pot head (5) is provided with cloth belt ring (2), it is provided with and is used for with to alternate on cloth belt ring (2) tubular breathing filter (6) hang in hangers rope (1) of human ear.

5. The tubular nasal inhalation filter of claim 4, wherein: the closed end surface of the tubular breathing filter (6) is symmetrically provided with two groups of fixed ropes (4), the surface of the end sleeve (5) is positioned at the position of the fixed ropes (4) and is provided with threading holes (3), and the fixed ropes (4) penetrate through the threading holes (3) and are mutually bolted and fixed.