CN211633283U

CN211633283U - External face guard is used in respiratory volume survey

Info

Publication number: CN211633283U
Application number: CN201921642889.8U
Authority: CN
Inventors: 赵秀阁; 王丹璐; 杨以宁; 黄菊; 李政蕾; 雷利民; 乔飞杨
Original assignee: Chinese Research Academy of Environmental Sciences
Current assignee: Chinese Research Academy of Environmental Sciences
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-10-09
Anticipated expiration: 2029-09-29

Abstract

The utility model relates to a breathing appurtenance technical field just discloses an external face guard for respiratory measurement usefulness, including the respirator body, the bottom fixed mounting of respirator body has the elbow, the gas vent has been seted up on the surface of elbow, the both sides fixed mounting of elbow has the buckle, the inside movable mounting of buckle has the silica gel piece, the bottom fixed mounting of elbow has the bandeau, the right side fixedly connected with outlet duct of elbow, the middle part fixed mounting of outlet duct has the control valve, the outlet duct is located the top of right side buckle, the left side fixed connection intake pipe of elbow. The utility model discloses an organizational structure the device that utilizes connecting rod, fixed block, reset spring, sliding block and draw-in groove can separate elbow lid and elbow, and then can change the inside filter element of filter screen fast, and the device is effectual has prevented that inside filter element is not changed, the cross infection that leads to, the device is effectual has reduced cross infection's possibility.

Description

External face guard is used in respiratory volume survey

Technical Field

The utility model relates to a breathe appurtenance technical field, specifically be an external face guard is used on respiratory volume survey.

Background

The breathing mask is suitable for adults to cover the nose or the mouth and the nose, and is a respiratory capacity measuring auxiliary tool.

External face guard is difficult for changing at its inside filter disc after using for current respiratory system, does not change and probably causes different crowds 'cross infection at long-time use, and current equipment can not carry out self-adjustment according to surveyed crowd's respiratory rate, and when its inside air velocity is constant, can cause certain discomfort of surveyed crowd, we have proposed for this reason one kind can be according to external face guard is used to respiratory system of surveyed crowd respiratory rate adjustment air velocity.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an external face guard is used to respiratory volume, possess and to change the filter element of inside, and can have more the respiratory rate of surveyed crowd self and control the advantage of the speed of air input, it is difficult for changing to have solved current respiratory volume external face guard is used its inside filter element after using on probation, long-time use is not changed and may be caused surveyed crowd's cross infection, and current equipment can not adjust by oneself according to patient's respiratory rate, air flow rate when its inside is certain, can cause the certain discomfort of surveyed crowd.

The utility model provides a following technical scheme: an external mask for respiratory measurement comprises a respiratory mask body, wherein an elbow is fixedly installed at the bottom of the respiratory mask body, an exhaust port is formed in the surface of the elbow, buckles are fixedly installed on two sides of the elbow, a silica gel sheet is movably installed inside the buckles, a head band is fixedly installed at the bottom of the elbow, an outlet pipe is fixedly connected to the right side of the elbow, a control valve is fixedly installed in the middle of the outlet pipe, the outlet pipe is located above the right buckle, an inlet pipe is fixedly connected to the left side of the elbow, a delivery pipe is fixedly connected to the other end of the inlet pipe, an electromagnetic valve is fixedly installed at the other end of the delivery pipe, a filter screen is fixedly installed on the upper surface of the elbow, a elbow cover is movably connected to the upper surface of the filter screen, a clamping groove is formed in the upper surface, the bottom fixedly connected with connecting rod of elbow cover, the bottom fixed mounting of connecting rod has the fixed block, the both sides fixed mounting of fixed block has reset spring, reset spring's outside fixedly connected with sliding block, the last fixed surface of elbow cover installs the storehouse of admitting air, the inner chamber fixed mounting in storehouse of admitting air has flow velocity sensor, the inlet port has been seted up at the top in storehouse of admitting air.

Preferably, the organizational structure of connecting rod, fixed block, reset spring and sliding block and draw-in groove looks adaptation, the whole of draw-in groove is the design of T type.

Preferably, one end of the headband is movably connected with the right buckle, and the other end of the headband is movably connected with the left buckle.

Preferably, the bottom of elbow is arc equipment, the whole face of bottom that silica gel piece and elbow laminated mutually.

Preferably, the length value of the filter screen meets the length value of the air inlet bin, and the length value of the air inlet bin is smaller than that of the elbow.

Preferably, the two sides of the elbow cover are attached to the upper surface of the elbow.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this external face guard is used to respiratory measuring, the organizational structure the device through utilizing connecting rod, fixed block, reset spring, sliding block and draw-in groove can separate elbow lid and elbow, and then can change the inside filter element of filter screen fast, and the device is effectual has prevented that inside filter element is not changed, the cross infection that leads to, the device is effectual has reduced cross infection's possibility.

2. This external face guard is used to respiratory volume survey, through the organizational structure of solenoid valve, conveyer pipe, intake pipe, velocity of flow sensor and outlet duct, the device can utilize velocity of flow sensor to monitor according to the respiratory rate of the crowd of being surveyed, through the speed that the solenoid valve controlled the air and flowed in, the device is effectual has improved the comfort level that is surveyed the crowd and uses.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side view of the structure of the present invention;

fig. 3 is an enlarged schematic view of a position a in the structure diagram 2 of the present invention.

In the figure: 1. a respiratory mask body; 2. bending the pipe; 3. an air inlet bin; 4. a head bending cover; 5. a card slot; 6. a slider; 7. an electromagnetic valve; 8. a delivery pipe; 9. an air inlet pipe; 10. an air inlet; 11. a flow rate sensor; 12. an exhaust port; 13. an air outlet pipe; 14. a control valve; 15. buckling; 16. a headband; 17. a silica gel sheet; 18. filtering with a screen; 19. a connecting rod; 20. a fixed block; 21. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an external mask for respiratory measurement comprises a respiratory mask body 1, an elbow 2 is fixedly installed at the bottom of the respiratory mask body 1, an arc-shaped device is arranged at the bottom of the elbow 2, a silica gel sheet 17 is attached to the whole bottom surface of the elbow 2, an exhaust port 12 is formed in the surface of the elbow 2, buckles 15 are fixedly installed at two sides of the elbow 2, a head band 16 is movably installed inside the buckle 15, the head band 16 is an elastic belt and can be self-adjusted according to different head types of people to be measured, the comfort level of the people to be measured is improved to the maximum extent, meanwhile, the device is prevented from air leakage when in use, one end of the head band 16 is movably connected with a right buckle 15, the other end of the head band 16 is movably connected with a left buckle 15, a silica gel sheet 17 is fixedly installed at the bottom of the elbow 2, the silica gel sheet 17 is used for, the facial muscle of the tested crowd is stiff, so that the comfort level of the tested crowd is not high, the right side of the elbow 2 is fixedly connected with the air outlet pipe 13, the middle part of the air outlet pipe 13 is fixedly provided with the control valve 14, the air outlet pipe 13 is positioned above the right side buckle 15, the left side of the elbow 2 is fixedly connected with the air inlet pipe 9, the other end of the air inlet pipe 9 is fixedly connected with the conveying pipe 8, the other end of the conveying pipe 8 is fixedly provided with the electromagnetic valve 7, the device can monitor by utilizing the flow velocity sensor according to the breathing speed of the tested crowd, the air inflow speed is controlled by the electromagnetic valve, the device effectively improves the comfort level of the tested crowd, the upper surface of the elbow 2 is fixedly provided with the filter screen 18, the device effectively prevents the inner filter screen from not being replaced, and causes cross infection, the device effectively reduces the possibility of cross, the length value of the air inlet bin 3 is smaller than that of the elbow 2, the upper surface of the filter screen 18 is movably connected with an elbow cover 4, two sides of the elbow cover 4 are attached to the upper surface of the elbow 2, the upper surface of the filter screen 18 is provided with a clamping groove 5, the clamping groove 5 penetrates through the outer wall of the filter screen 18 and extends to the inside of the elbow 2, the bottom of the elbow cover 4 is fixedly connected with a connecting rod 19, the connecting rod 19 and a fixing block 20, the organizational structure of reset spring 21 and sliding block 6 and draw-in groove 5 looks adaptation, the whole of draw-in groove 5 is T type design, the bottom fixed mounting of connecting rod 19 has fixed block 20, the both sides fixed mounting of fixed block 20 has reset spring 21, reset spring 21's outside fixedly connected with sliding block 6, the last fixed surface of elbow cover 4 installs the storehouse of admitting air 3, the inner chamber fixed mounting in storehouse of admitting air 3 has velocity of flow sensor 11, inlet port 10 has been seted up at the top in storehouse of admitting air 3.

The theory of operation, when being surveyed the crowd and using respirator body 1, the usable velocity of flow sensor 11 of the device monitors being surveyed crowd's respiratory rate, adjust the velocity of flow according to the data of monitoring simultaneously, when being surveyed crowd respiratory rate when comparatively slow, drive solenoid valve 7 by velocity of flow sensor 11, solenoid valve 7 opens and close the back, make the air flow in respirator body 1's inside through conveyer pipe 8, carry out oxygen therapy to being surveyed the crowd, breathe when being surveyed the crowd then velocity of flow sensor 11 controls solenoid valve 7 when comparatively all with, reduce its velocity of flow, can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an external face guard is used to respiratory quality measurement, includes respirator body (1), its characterized in that: the respirator is characterized in that an elbow (2) is fixedly mounted at the bottom of the respirator body (1), an exhaust port (12) is formed in the surface of the elbow (2), buckles (15) are fixedly mounted on two sides of the elbow (2), a head band (16) is movably mounted inside the buckles (15), a silica gel sheet (17) is fixedly mounted at the bottom of the elbow (2), an air outlet pipe (13) is fixedly connected to the right side of the elbow (2), a control valve (14) is fixedly mounted in the middle of the air outlet pipe (13), the air outlet pipe (13) is located above the right buckle (15), an air inlet pipe (9) is fixedly connected to the left side of the elbow (2), a conveying pipe (8) is fixedly connected to the other end of the air inlet pipe (9), an electromagnetic valve (7) is fixedly mounted at the other end of the conveying pipe (8), and a filter screen, the upper surface swing joint of filter screen (18) has elbow cover (4), draw-in groove (5) have been seted up to filter screen (18) upper surface, draw-in groove (5) run through the outer wall of filter screen (18) and extend to the inside of elbow (2), the bottom fixedly connected with connecting rod (19) of elbow cover (4), the bottom fixed mounting of connecting rod (19) has fixed block (20), the both sides fixed mounting of fixed block (20) has reset spring (21), the outside fixedly connected with sliding block (6) of reset spring (21), the last fixed surface of elbow cover (4) installs air inlet bin (3), the inner chamber fixed mounting of air inlet bin (3) has velocity of flow sensor (11), air inlet (10) have been seted up at the top of air inlet bin (3).

2. The external mask for respiratory testing of claim 1, wherein: the organizational structure of connecting rod (19), fixed block (20), reset spring (21) and sliding block (6) and draw-in groove (5) looks adaptation, the whole of draw-in groove (5) is the design of T type.

3. The external mask for respiratory testing of claim 1, wherein: one end of the headband (16) is movably connected with the right side buckle (15), and the other end of the headband (16) is movably connected with the left side buckle (15).

4. The external mask for respiratory testing of claim 1, wherein: the bottom of elbow (2) is arc equipment, whole face laminating mutually of bottom of silica gel piece (17) and elbow (2).

5. The external mask for respiratory testing of claim 1, wherein: the length value of the filter screen (18) meets the length value of the air inlet bin (3), and the length value of the air inlet bin (3) is smaller than that of the elbow (2).

6. The external mask for respiratory testing of claim 1, wherein: the two sides of the elbow cover (4) are attached to the upper surface of the elbow (2).