Oxygen inhalation mask for cabin

Abstract

The utility model relates to an oxygen inhalation mask for a cabin, which comprises a mouth-nose mask, the mouth-nose mask is composed of an outer mouth-nose mask cover and an inner mouth-nose mask cover, one side of the outer mouth-nose mask cover and one side of the inner mouth-nose mask cover are fixedly connected with an exhaust valve, and the other side of the outer mouth-nose mask cover and the other side of the inner mouth-nose mask cover are fixedly connected with an air inlet valve. And the bottom ends of the mouth-nose mask outer cover and the mouth-nose mask inner cover are fixedly connected with microphones. According to the utility model, through the reasonably designed mouth-nose mask structure and the precise control of the air inlet valve and the exhaust valve, the efficient and comfortable oxygen inhalation experience is realized. The inner-outer double-layer design of the mouth-nose mask can effectively isolate the external environment, and meanwhile smooth oxygen supply is guaranteed. The resistance adjusting function of the air inlet valve allows a user to adjust the breathing resistance and the air supply flow according to personal requirements, so that the optimal oxygen inhalation effect is achieved, efficient and comfortable oxygen inhalation experience, high-quality sound transmission performance, convenient adjustment and fixation and safe and reliable performance are achieved, and a safer, more comfortable and more efficient oxygen inhalation environment is provided for personnel in the cabin.

Description

Technical Field

[0001] The utility model relates to the technical field of manufacturing cabin oxygen-absorbing masks, in particular to a cabin oxygen-absorbing mask. Background Art

[0002] In a closed cabin environment, oxygen breathing equipment is usually required to ensure the life safety and health of personnel. However, traditional oxygen breathing masks have many shortcomings, such as low oxygen absorption efficiency, uncomfortable wearing, complicated operation, etc. At the same time, there is a lack of perfect maintenance and repair methods, which affects the use effect and life of the mask.

[0003] Therefore, there is an urgent need for a cabin oxygen breathing mask that is efficient, comfortable, has a large flow rate, low resistance and smooth breathing.

[0004] The oxygen mask used in this chamber is an oxygen mask used in pressure chamber hyperbaric oxygen medical treatment. It is also an oxygen breathing device for divers during decompression in the pressure chamber. It is an indispensable equipment in the pressure chamber. It can be used as a breathing mask isolated from the environment in different occasions. It has the characteristics of large flow, small resistance, and smooth breathing. Utility Model Content

[0005] In order to solve the problems of the prior art, the utility model provides an oxygen-absorbing mask for a cabin.

[0006] In order to solve the above technical problems, the utility model is realized through the following technical solutions: an oxygen breathing mask for cabin, comprising an oronasal mask, the oronasal mask being composed of an oronasal mask outer mask and an oronasal mask inner mask, one side of the oronasal mask outer mask and the oronasal mask inner mask being fixedly connected with an exhaust valve, the other side of the oronasal mask outer mask and the oronasal mask inner mask being fixedly connected with an air intake valve, the bottom ends of the oronasal mask outer mask and the oronasal mask inner mask being fixedly connected with a microphone, the top ends of both sides of the oronasal mask outer mask being fixedly connected with tightening belt fixing seats, the oronasal mask outer mask being fixedly connected with a tightening belt through a tightening belt fixing seat, and one end of the tightening belt being fixedly connected with a head cover;

[0007] The bottom end of the exhaust valve is fixedly connected with an exhaust pipe, the bottom end of the intake valve is fixedly connected with an air intake resistance adjusting knob, and one side of the intake valve is threadedly connected with an intake pipe.

[0008] Preferably, the exhaust valve is composed of an exhaust valve assembly, an exhaust interface seat, a first M36 locking disk and an exhaust retaining spring; one end of the exhaust valve assembly is clamped and fixedly connected to the exhaust retaining spring; the exhaust valve assembly is sleeved on the inner wall of the exhaust interface seat for fixed connection; the first M36 locking disk is sleeved on the outer wall of the exhaust interface seat for fixed connection; the outer side of the exhaust interface seat is clamped with the outer cover of the mouth and nose mask and the inner cover of the mouth and nose mask.

[0009] Preferably, the microphone is composed of a microphone retaining spring, a locking seat, an M48 locking disk, a first O-ring, a second O-ring, a valve seat and a valve cover. The outer wall of the locking seat is fixedly connected to the outer cover of the oral and nasal mask and the inner cover of the oral and nasal mask. The outer wall of one side of the microphone retaining spring is sleeved with an M48 locking disk, and the outer wall of one end of the valve seat is clamped with a first O-ring.

[0010] Preferably, a second O-ring is clamped on one end of the inner wall of the valve seat, and an M48 locking disk and a locking seat are sleeved on one side of the outer wall of one end of the second O-ring, which is then clamped and fixedly connected with a microphone retaining spring, a valve cover is clamped on the inner wall of the other end of the valve seat, and an outer cover of an oral and nasal mask and an inner cover of an oral and nasal mask are clamped on the outer wall of the locking seat.

[0011] Preferably, the tightening band fixing seat is composed of a hanging column, a gasket and a screw, the screw is sleeved on the outer wall of the screw, the screw and the hanging column are connected by a threaded sleeve, and the gasket and the hanging column are fixedly connected to the outer cover of the mouth and nose mask by a screw.

[0012] Preferably, the intake valve is composed of an intake valve assembly, an intake interface seat, a second M36 locking disk and an intake retaining spring; one end of the intake valve assembly is threadedly sleeved with an intake pipe suction resistance adjusting button, and the other end of the intake valve assembly is sleeved on the outer wall with an intake interface seat.

[0013] Preferably, the outer wall of the air intake interface seat is connected to the second M36 locking disk sleeve, and the other end of the air intake valve assembly is clamped and fixedly connected through the air intake interface seat, the second M36 locking disk and the air intake retaining spring in sequence, and the outer wall of the air intake interface seat is fixedly clamped with the outer cover of the oral and nasal mask and the inner cover of the oral and nasal mask.

[0014] The beneficial effects of the utility model are:

[0015] 1. The utility model realizes an efficient and comfortable oxygen inhalation experience through a reasonably designed oral and nasal mask structure, combined with precise control of the air inlet valve and the exhaust valve. The inner and outer double-layer design of the oral and nasal mask can effectively isolate the external environment while ensuring smooth oxygen supply. The resistance adjustment function of the air inlet valve allows the user to adjust the breathing resistance and air supply flow according to personal needs, so as to achieve the best oxygen inhalation effect. It has an efficient and comfortable oxygen inhalation experience, high-quality sound transmission performance, convenient adjustment and fixation, and safe and reliable performance, providing a safer, more comfortable and efficient oxygen inhalation environment for the cabin personnel;

[0016] 2. The design of the microphone allows the user to communicate clearly while maintaining the tightness of the mask. The precise coordination of the microphone retaining spring, locking seat, M48 locking disc and other components ensures the stability and durability of the microphone, effectively improving the sound transmission effect. The design of the tightening belt holder and tightening belt makes the wearing and adjustment of the mask simple and quick. Users can adjust the position of the mask according to their own face shape and easily fix the mask with the tightening belt holder. In addition, the modular design of the intake valve and exhaust valve makes it easier to disassemble and replace, improving the maintainability and service life of the mask. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the exhaust valve structure of the utility model.

[0019] Figure 3 It is a schematic diagram of the structure of the microphone mechanism of the utility model.

[0020] Figure 4 It is a structural schematic diagram of a tightening belt fixing seat of the utility model.

[0021] Figure 5 It is a schematic diagram of the structure of the air intake valve of the utility model.

[0022] Figures 1 to 5 In: 1. Oronasal mask outer cover; 2. Oronasal mask inner cover; 3. Exhaust valve; 31. Exhaust valve assembly; 32. Exhaust interface seat; 33. First M36 locking disk; 34. Exhaust retaining spring; 35. Exhaust pipe; 4. Microphone; 41. Microphone retaining spring; 42. Locking seat; 43. M48 locking disk; 44. First O-ring; 45. Second O-ring; 46. Valve seat; 47. Valve cover; 5. Intake valve; 51. Intake valve assembly; 52. Intake interface seat; 53. Second M36 locking disk; 54. Intake retaining spring; 55. Intake pipe; 56. Inhalation resistance adjustment knob; 6. Tightening belt fixing seat; 61. Hanging column; 62. Gasket; 63. Screw; 7. Headgear; 71. Tightening belt. DETAILED DESCRIPTION

[0023] like Figures 1 to 5An oxygen breathing mask for cabin use shown in the figure comprises an oronasal mask, which is composed of an oronasal mask outer mask 1 and an oronasal mask inner mask 2, an exhaust valve 3 is fixedly connected to one side of the oronasal mask outer mask 1 and the oronasal mask inner mask 2, an air intake valve 5 is fixedly connected to the other side of the oronasal mask outer mask 1 and the oronasal mask inner mask 2, a microphone 4 is fixedly connected to the bottom ends of the oronasal mask outer mask 1 and the oronasal mask inner mask 2, tightening belt fixing seats 6 are fixedly connected to the top ends of both sides of the oronasal mask outer mask 1, a tightening belt 71 is fixedly connected to the oronasal mask outer mask 1 through the tightening belt fixing seats 6, and a head cover 7 is fixedly connected to one end of the tightening belt 71;

[0024] The bottom end of the exhaust valve 3 is fixedly connected to an exhaust pipe 35, the bottom end of the intake valve 5 is fixedly connected to an air intake resistance adjustment knob 56, and one side of the intake valve 5 is threadedly connected to an intake pipe 55.

[0025] When in use, connect the air intake pipe 55 to the medium pressure air source (0.5MPa~1.0MPa), connect the exhaust pipe 35 to the exhaust channel (the pressure in the channel should be slightly lower than the pressure in the cabin), open the air supply source valve, put on the head cover 7, adjust the mouth and nose mask to the appropriate position on the face, tighten the tightening belt 71 (pull the upper tightening belt first and then the lower tightening belt), and pull the tightening belt left and right together, and adjust the air intake valve 5 to make the breathing resistance and air supply flow to the optimal state. First, rotate the inhalation resistance adjustment knob 56 clockwise to make the air supply valve produce self-supply phenomenon, and then rotate the inhalation resistance adjustment knob 56 counterclockwise to just close the self-supply phenomenon of the air supply valve. At this time, the breathing resistance is the smallest and the breathing is most comfortable. When oxygen inhalation is finished, just lift the inverted buckle of the tightening belt 71 to take off the mouth and nose mask.

[0026] The exhaust valve 3 is composed of an exhaust valve assembly 31, an exhaust interface seat 32, a first M36 locking disk 33 and an exhaust retaining spring 34. One end of the exhaust valve assembly 31 is fixedly connected with the exhaust retaining spring 34 by clamping. The exhaust valve assembly 31 is sleeved on the inner wall of the exhaust interface seat 32 for fixed connection. The first M36 locking disk 33 is sleeved on the outer wall of the exhaust interface seat 32 for fixed connection. The outer side of the exhaust interface seat 32 is fixedly connected with the mouth and nose mask. The outer cover 1 and the inner cover 2 of the oronasal mask are snap-connected, and the microphone 4 is composed of a microphone retaining spring 41, a locking seat 42, an M48 locking disk 43, a first O-ring 44, a second O-ring 45, a valve seat 46 and a valve cover 47. The outer wall of the locking seat 42 is fixedly connected to the outer cover 1 and the inner cover 2 of the oronasal mask, and the outer wall of one side of the microphone retaining spring 41 is sleeved with an M48 locking disk 43. The outer wall of one end of the valve seat 46 is snap-connected with a first O-ring 44.

[0027] A second O-ring 45 is clamped on one end of the inner wall of the valve seat 46, and an M48 locking disk 43 and a locking seat 42 are sleeved on one side of the outer wall of one end of the second O-ring 45, and then the second O-ring 45 is clamped and fixedly connected with the microphone retaining spring 41. A valve cover 47 is clamped on the inner wall of the other end of the valve seat 46, and an oronasal mask outer cover 1 and an oronasal mask inner cover 2 are clamped on the outer wall of the locking seat 42. The tightening belt fixing seat 6 is composed of a hanging column 61, a gasket 62 and a screw 63. The screw 63 is sleeved on the outer wall of the screw 63, and the screw 63 is connected to the hanging column 61 by a threaded sleeve. The gasket 62 and the hanging column 61 are fixedly connected to the oronasal mask outer cover 1 by the screw 63.

[0028] The air intake valve 5 is composed of an air intake valve assembly 51, an air intake interface seat 52, a second M36 locking disk 53 and an air intake retaining spring 54. One end of the air intake valve assembly 51 is threadedly sleeved with an air intake pipe suction resistance adjusting button 56, and the outer wall of the other end of the air intake valve assembly 51 is sleeved with an air intake interface seat 52. The outer wall of the air intake interface seat 52 is sleeved and connected with the second M36 locking disk 53. The other end of the air intake valve assembly 51 is clamped and fixedly connected with the air intake retaining spring 54 through the air intake interface seat 52 and the second M36 locking disk 53 in sequence, and the outer wall of the air intake interface seat 52 is fixedly clamped with the outer cover 1 of the oral and nasal mask and the inner cover 2 of the oral and nasal mask.

[0029] Maintenance and repair:

[0030] 1. After each use, wipe the surface, inner cavity of the mouth and nose mask, head net and other parts with alcohol cotton cloth in a suitable place outside the cabin. Let them dry thoroughly before entering the cabin for use again.

[0031] 2. Do not allow it to come into contact with oily substances during storage.

[0032] 3. Check carefully before each use and remove oil stains immediately.

[0033] 4. The oral and nasal mask should be replaced regularly according to the frequency of use. The recommended replacement period is half a year.

[0034] 5. Perform maintenance regularly. The following are drawings of the main components, the intake valve and the exhaust valve. Only trained personnel or personnel with professional knowledge can disassemble and assemble. Most parts can be removed by prying open the clamp ring with your hands or a small screwdriver.

[0035] Note:

[0036] Intake valve

[0037] a. Connect the air supply source during installation.

[0038] b. There should be no air leakage from the air inlet valve before the valve stem is pressed down.

[0039] c. Gently press the valve stem to allow for adequate airflow.

[0040] d. The rubber valve core stem and air inlet diaphragm should be replaced once a year.

[0041] Exhaust valve

[0042] a. The rubber valve core stem must be inserted into the valve stem support ring.

[0043] b. The rubber valve core stem and the valve stem bracket should be vertical.

[0044] c. The rubber valve core stem and exhaust diaphragm should be replaced once a year.

[0045] The cabin oxygen breathing mask described in the utility model provides a safe, comfortable and efficient oxygen breathing experience for cabin personnel with its unique design and efficient performance. Its structure is exquisite, and through the combination of the outer cover of the mouth and nose mask and the inner cover, combined with the precise control of the intake valve and the exhaust valve, it realizes the effective supply and discharge of oxygen, ensuring smooth and comfortable breathing.

[0046] At the same time, the design of the microphone enables the user to maintain clear communication with the outside world during oxygen inhalation, which improves the practicality of the mask. In addition, the combination of the tightening belt fixing seat and the tightening belt makes the wearing and adjustment of the mask simple and easy, and the user can easily adjust the position and tightness of the mask according to their own needs.

[0047] The utility model also considers maintenance and repair very carefully. Regular cleaning, inspection and replacement of parts ensure the durability and stable performance of the mask. At the same time, the maintenance requirements for the intake and exhaust valves are also very clear, ensuring the safety and reliability of the mask during use.

[0048] To sum up, the cabin oxygen mask described in the utility model not only has excellent oxygen absorption performance, but also has convenient operability, comfortable wearing experience and complete maintenance and repair mechanism, which provides strong protection for the life safety and health of people in the cabin.

Claims

1. An oxygen breathing mask for cabin use, comprising an oronasal mask, the oronasal mask comprising an oronasal mask outer cover (1) and an oronasal mask inner cover (2), characterized in that: An exhaust valve (3) is fixedly connected to one side of the oronasal mask outer cover (1) and the oronasal mask inner cover (2); an intake valve (5) is fixedly connected to the other side of the oronasal mask outer cover (1) and the oronasal mask inner cover (2); a microphone (4) is fixedly connected to the bottom ends of the oronasal mask outer cover (1) and the oronasal mask inner cover (2); tightening belt fixing seats (6) are fixedly connected to the top ends of both sides of the oronasal mask outer cover (1); a tightening belt (71) is fixedly connected to the oronasal mask outer cover (1) via the tightening belt fixing seats (6); and a head cover (7) is fixedly connected to one end of the tightening belt (71); The bottom end of the exhaust valve (3) is fixedly connected to an exhaust pipe (35), the bottom end of the intake valve (5) is fixedly connected to an intake resistance adjustment knob (56), and one side of the intake valve (5) is threadedly connected to an intake pipe (55).

2. A cabin oxygen mask according to claim 1, characterized in that: The exhaust valve (3) is composed of an exhaust valve assembly (31), an exhaust interface seat (32), a first M36 locking disk (33) and an exhaust retaining spring (34); one end of the exhaust valve assembly (31) is fixedly connected to the exhaust retaining spring (34) by clamping; the exhaust valve assembly (31) is sleeved on the inner wall of the exhaust interface seat (32) for fixed connection; the first M36 locking disk (33) is sleeved on the outer wall of the exhaust interface seat (32) for fixed connection; the outer side of the exhaust interface seat (32) is clamped with the outer cover (1) of the mouth and nose mask and the inner cover (2) of the mouth and nose mask.

3. The cabin oxygen mask according to claim 1, characterized in that: The microphone (4) is composed of a microphone retaining spring (41), a locking seat (42), an M48 locking disk (43), a first O-ring (44), a second O-ring (45), a valve seat (46) and a valve cover (47); the outer wall of the locking seat (42) is fixedly connected to the outer cover (1) and the inner cover (2) of the oronasal mask; the outer wall of one side of the microphone retaining spring (41) is sleeved with the M48 locking disk (43); and the outer wall of one end of the valve seat (46) is clamped with the first O-ring (44).

4. The cabin oxygen mask according to claim 3, characterized in that: A second O-ring (45) is clamped on one end of the inner wall of the valve seat (46); an M48 locking disk (43) and a locking seat (42) are sleeved on one side of the outer wall of one end of the second O-ring (45) and fixedly connected to the microphone retaining spring (41); a valve cover (47) is clamped on the inner wall of the other end of the valve seat (46); and an oronasal mask outer cover (1) and an oronasal mask inner cover (2) are clamped on the outer wall of the locking seat (42).

5. The cabin oxygen mask according to claim 1, characterized in that: The tightening band fixing seat (6) is composed of a hanging column (61), a gasket (62) and a screw (63); the screw (63) is sleeved on the outer wall of the screw (63); the screw (63) and the hanging column (61) are connected by a threaded sleeve; the gasket (62) and the hanging column (61) are fixedly connected to the outer cover (1) of the mouth and nose mask by the screw (63).

6. The cabin oxygen mask according to claim 1, characterized in that: The air intake valve (5) is composed of an air intake valve assembly (51), an air intake interface seat (52), a second M36 locking disc (53) and an air intake retaining spring (54); one end of the air intake valve assembly (51) is threadedly sleeved with an air intake pipe suction resistance adjusting knob (56), and the other end of the air intake valve assembly (51) is sleeved with an air intake interface seat (52) on its outer wall.

7. A cabin oxygen mask according to claim 6, characterized in that: The outer wall of the air intake interface seat (52) is sleeve-connected with the second M36 locking disk (53), and the other end of the air intake valve assembly (51) is clamped and fixedly connected through the air intake interface seat (52), the second M36 locking disk (53) and the air intake retaining spring (54) in sequence, and the outer wall of the air intake interface seat (52) is fixedly clamped with the outer cover (1) of the oral and nasal mask and the inner cover (2) of the oral and nasal mask.

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