CN116212267A - On-off rotation type chemical oxygen exhaling mechanism - Google Patents
On-off rotation type chemical oxygen exhaling mechanism Download PDFInfo
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- CN116212267A CN116212267A CN202310333778.3A CN202310333778A CN116212267A CN 116212267 A CN116212267 A CN 116212267A CN 202310333778 A CN202310333778 A CN 202310333778A CN 116212267 A CN116212267 A CN 116212267A
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- pipe
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/02—Respiratory apparatus with compressed oxygen or air
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/12—Respiratory apparatus with fresh-air hose
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- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Emergency Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses an on-off rotation type chemical oxygen exhaling mechanism, which comprises a mask body, a top breather pipe, an inhaling transverse pipe, an inhaling side pipe and an on-off rotation mechanism; according to the invention, the two oxygen generating tanks are filled with the oxygen generating agent, carbon dioxide exhaled by an operator enters one of the arc-shaped guide pipes through the top vent pipe, the arc-shaped guide pipes send air flow into the oxygen generating tank through the side connecting hose, and generated oxygen enters the top vent pipe through the air suction transverse pipe and enters the mask body.
Description
Technical Field
The invention relates to an on-off rotation type chemical oxygen exhalation mechanism.
Background
The respirator is a self-contained open air respirator, is widely applied to departments such as fire protection, chemical industry, ships, petroleum, smelting, warehouses, laboratories, mines and the like, and is used for firefighters or rescue workers to safely and effectively extinguish fire, rescue and relief work and rescue work in various environments such as dense smoke, toxic gas, steam or hypoxia; the existing chemical oxygen exhaling mechanism releases oxygen after the reaction of the oxygen generating agent to the carbon dioxide exhaled by the user and enters the respiratory tract of the user from other pipelines, but when the oxygen generating agent is consumed, the oxygen generating agent cannot be timely injected into the site of the operator, so that the operator can generate the problem of dyspnea, and the use flexibility and the continuity of the chemical oxygen exhaling mechanism can be greatly improved if the oxygen generating agent can be quickly updated.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: provides an on-off rotation type chemical oxygen exhaling mechanism capable of rapidly renewing oxygen.
In order to solve the problems, the invention adopts the following technical scheme:
an on-off rotation type chemical oxygen exhaling mechanism comprises a mask body, a top breather pipe, an inspiration transverse pipe, an inspiration side pipe and an on-off rotation mechanism; a top vent pipe is arranged at the bottom of the front side of the mask body; two sides of the top breather pipe are respectively connected with an air suction transverse pipe; the lower sides of the outer ends of the air suction transverse pipes are respectively connected with air suction side pipes; the start-stop rotation mechanism is arranged at the lower end of the top vent pipe; the start-stop rotation mechanism comprises a positioning plate, an oxygen making tank, a side connecting hose, an arc-shaped guide pipe, a telescopic closed pipe, a radial connecting rod, a central rod, a blocking block and a rotating block; the lower ends of the air suction side pipes are fixedly provided with a positioning plate together; two sides of the upper end of the positioning plate are respectively provided with an oxygen generating tank; the outer side of the lower end of the oxygen generating tank is connected to the air suction side pipe through a communicating pipe respectively; a rotating block is rotatably arranged in the middle of the upper end of the positioning plate; the upper ends of the two sides of the rotating block are respectively provided with an arc-shaped guide pipe; the outer side of the lower end of the arc-shaped conduit is connected with the inner side of the upper end of the oxygen making tank through a side connecting hose; a radial connecting rod is arranged in the middle of the upper end of the arc-shaped catheter, a center rod is arranged in the middle of the outer side of the radial connecting rod, and a blocking block is arranged at the outer end of the center rod; two sides of the lower end of the top vent pipe are respectively provided with a starting hole; the outer sides of the periphery of the opening holes are connected with the periphery of the upper end of the arc-shaped catheter in a sealing way through telescopic closed pipes; the rotating blocks drive the two arc-shaped guide pipes to rotate when rotating, and drive the blocking blocks at the upper ends of the two arc-shaped guide pipes to be alternately and tightly inserted on the opening holes in sequence.
Further, a positioning block is arranged in the middle of the upper end of the positioning plate; a limiting plate is arranged at the front and rear of the upper end of the positioning block respectively; a rotating block is rotatably clamped and installed between the limiting plates; two sides of the rotating block are respectively provided with a transmission rod; the outer ends of the transmission rods are respectively connected with the lower ends of the arc-shaped guide pipes; the outside of limiting plate is equipped with a rotation handle, and the inboard cross-under of rotation handle is fixed in the center of one side of turning block.
Further, a pressing channel is arranged in the middle of the upper end of the positioning block, a pressing elastic body is arranged in the pressing channel, a pressing column is inserted into the upper end of the pressing channel, the upper end of the pressing elastic body elastically presses the lower end of the pressing column, and the upper end of the pressing column presses the lower side of the rotating block.
Further, the both sides lower extreme of locating plate is equipped with the cross-under opening respectively, and the cross-under opening communicates with the lower extreme inside of oxygen generation jar, and the lower extreme inside of oxygen generation jar is equipped with the internal thread anchor ring all around, and the both sides lower extreme of locating plate is equipped with a cover of opening and close respectively, and the screw thread is screwed on the internal thread anchor ring after opening and close the cover and pass the cross-under opening respectively.
Further, the lower part of the top vent pipe is provided with an exhaust one-way valve; and the air suction transverse pipes are respectively provided with an air suction one-way valve.
Further, a perspective window is arranged in the middle of the upper end of the mask body.
Further, the blocking block is made of an elastic rubber material.
The beneficial effects of the invention are as follows:
according to the invention, the two oxygen generating tanks are filled with the oxygen generating agent, carbon dioxide exhaled by an operator enters one of the arc-shaped guide pipes through the top vent pipe, the arc-shaped guide pipes send air flow into the oxygen generating tank through the side connecting hose, and generated oxygen enters the top vent pipe through the air suction transverse pipe and enters the mask body.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged schematic view of the middle of fig. 1 according to the present invention.
Fig. 3 is an enlarged schematic view of the structure of one side of fig. 1 according to the present invention.
Fig. 4 is a schematic diagram of the structure of the right arc-shaped duct of the present invention for opening and conducting air flow for oxygen generation.
FIG. 5 is a schematic view of the structure of the present invention with the left arc-shaped duct opened to conduct the air flow for oxygen generation.
FIG. 6 is a schematic diagram of a plug of the present invention sealingly inserted into an opening and closing hole.
FIG. 7 is a schematic diagram of a block of the present invention separated from a hole.
Fig. 8 is a schematic side view of the turning block of fig. 1 according to the present invention.
Description of the embodiments
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 8, an on-off rotation type chemical oxygen exhalation mechanism comprises a mask body 1, a top breather pipe 2, an inspiration transverse pipe 3, an inspiration side pipe 4 and an on-off rotation mechanism 5; a top vent pipe 2 is arranged at the bottom of the front side of the mask body 1; two sides of the top breather pipe 2 are respectively connected with a horizontal air suction pipe 3; the lower sides of the outer ends of the air suction transverse pipes 3 are respectively connected with air suction side pipes 4; the start-stop rotation mechanism 5 is arranged at the lower end of the top vent pipe 2; the start-stop rotation mechanism 5 comprises a positioning plate 51, an oxygen making tank 52, a side connecting hose 55, an arc-shaped guide pipe 53, a telescopic sealing pipe 59, a radial connecting rod 56, a central rod 57, a blocking block 58 and a rotating block 54; the lower ends of the suction side pipes 4 are fixedly provided with a positioning plate 51; two sides of the upper end of the positioning plate 51 are respectively provided with an oxygen generating tank 52; the outer sides of the lower ends of the oxygen generating tanks 52 are respectively connected to the air suction side pipe 4 through communicating pipes 521; a rotating block 54 is rotatably installed in the middle of the upper end of the positioning plate 51; the upper ends of the two sides of the rotating block 54 are respectively provided with an arc-shaped guide pipe 53; the outer side of the lower end of the arc-shaped conduit 53 is connected with the inner side of the upper end of the oxygen generating tank 52 through a side connecting hose 55; a radial connecting rod 56 is arranged in the middle of the upper end of the arc-shaped guide pipe 53, a central rod 57 is arranged in the middle of the outer side of the radial connecting rod 56, and a blocking block 58 is arranged at the outer end of the central rod 57; opening holes 22 are respectively formed in two sides of the lower end of the top vent pipe 2; the outer sides of the periphery of the opening and closing holes 22 are in sealing connection with the periphery of the upper end of the arc-shaped guide pipe 53 through a telescopic sealing pipe 59; when the rotating block 54 rotates, the two arc-shaped guide pipes 53 are driven to rotate, and the blocking blocks 58 at the upper ends of the two arc-shaped guide pipes 53 are driven to be sequentially and alternately inserted into the opening and closing holes 22 in a sealing mode.
As shown in fig. 1 to 8, in order to facilitate the rotation adjustment of the rotating block 54, it is further preferable that a positioning block 61 is provided in the middle of the upper end of the positioning plate 51; the front and rear of the upper end of the positioning block 61 are respectively provided with a limiting plate 62; a rotating block 54 is rotatably clamped and installed between the limiting plates 62; two sides of the rotating block 54 are respectively provided with a transmission rod 541; the outer ends of the transmission rods 541 are respectively connected to the lower ends of an arc-shaped guide pipe 53; the outside of limiting plate 62 is equipped with a rotation handle 65, and the inboard of rotation handle 65 cross-under is fixed in the center of one side of turning block 54.
As shown in fig. 1 to 8, in order to improve the stability and the anti-slip performance of the rotating block 54 during rotation, it is further preferable that a pressing channel 611 is provided in the middle of the upper end of the positioning block 61, a pressing elastic body 63 is provided in the pressing channel 611, a pressing post 64 is inserted into the upper end of the pressing channel 611, the upper end of the pressing elastic body 63 elastically presses against the lower end of the pressing post 64, and the upper end of the pressing post 64 presses against the lower side of the rotating block 54.
As shown in fig. 1 to 8, in order to facilitate opening of the oxygen generating tank 52 for adding materials, it is further preferred that the lower ends of both sides of the positioning plate 62 are respectively provided with a through opening, the through opening is communicated with the inside of the lower end of the oxygen generating tank 52, the inside of the lower end of the oxygen generating tank 52 is provided with an internal thread ring surface around, the lower ends of both sides of the positioning plate 51 are respectively provided with an opening and closing cover 522, and the opening and closing cover 522 is screwed on the internal thread ring surface after penetrating through the through openings. Further, an exhaust check valve 21 is arranged at the lower part of the top vent pipe 2; the air suction transverse pipes 3 are respectively provided with an air suction one-way valve 31. Further, a perspective window 11 is arranged in the middle of the upper end of the mask body 1. Further, the blocking block 58 is made of an elastic rubber material.
According to the invention, the two oxygen generating tanks 52 are filled with oxygen generating agents, carbon dioxide exhaled by an operator enters one of the arc-shaped guide pipes 53 through the top vent pipe 2, the arc-shaped guide pipes 53 send air flow into the oxygen generating tank 52 through the side connecting hose 55, generated oxygen enters the top vent pipe 2 through the air suction side pipe 4 and the air suction transverse pipe 3 and enters the mask body 1, the two arc-shaped guide pipes 53 are driven to rotate through the rotating block 54, when the blocking block 58 at the upper end of one of the arc-shaped guide pipes 53 is in sealing connection with the opening and closing hole 33, the blocking block 33 at the upper end of the other arc-shaped guide pipe 53 is separated to the outside from the opening and closing hole 22 to realize conduction, so that when the oxygen generating agent in one oxygen generating tank 52 is consumed, the other ventilation path can be switched through the rotation of the rotating block 54, and the oxygen generating tank 52 is convenient to use and convenient to operate.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. An on-off rotation type chemical oxygen exhaling mechanism is characterized by comprising a mask body, a top breather pipe, an inhalation transverse pipe, an inhalation side pipe and an on-off rotation mechanism; a top vent pipe is arranged at the bottom of the front side of the mask body; two sides of the top breather pipe are respectively connected with an air suction transverse pipe; the lower sides of the outer ends of the air suction transverse pipes are respectively connected with air suction side pipes; the start-stop rotation mechanism is arranged at the lower end of the top vent pipe; the start-stop rotation mechanism comprises a positioning plate, an oxygen making tank, a side connecting hose, an arc-shaped guide pipe, a telescopic closed pipe, a radial connecting rod, a central rod, a blocking block and a rotating block; the lower ends of the air suction side pipes are fixedly provided with a positioning plate together; two sides of the upper end of the positioning plate are respectively provided with an oxygen generating tank; the outer side of the lower end of the oxygen generating tank is connected to the air suction side pipe through a communicating pipe respectively; a rotating block is rotatably arranged in the middle of the upper end of the positioning plate; the upper ends of the two sides of the rotating block are respectively provided with an arc-shaped guide pipe; the outer side of the lower end of the arc-shaped conduit is connected with the inner side of the upper end of the oxygen making tank through a side connecting hose; a radial connecting rod is arranged in the middle of the upper end of the arc-shaped catheter, a center rod is arranged in the middle of the outer side of the radial connecting rod, and a blocking block is arranged at the outer end of the center rod; two sides of the lower end of the top vent pipe are respectively provided with a starting hole; the outer sides of the periphery of the opening holes are connected with the periphery of the upper end of the arc-shaped catheter in a sealing way through telescopic closed pipes; the rotating blocks drive the two arc-shaped guide pipes to rotate when rotating, and drive the blocking blocks at the upper ends of the two arc-shaped guide pipes to be alternately and tightly inserted on the opening holes in sequence.
2. The on-off rotation type chemical oxygen exhalation mechanism according to claim 1, wherein a positioning block is arranged in the middle of the upper end of the positioning plate; a limiting plate is arranged at the front and rear of the upper end of the positioning block respectively; a rotating block is rotatably clamped and installed between the limiting plates; two sides of the rotating block are respectively provided with a transmission rod; the outer ends of the transmission rods are respectively connected with the lower ends of the arc-shaped guide pipes; the outside of limiting plate is equipped with a rotation handle, and the inboard cross-under of rotation handle is fixed in the center of one side of turning block.
3. The on-off rotation type chemical oxygen exhalation mechanism according to claim 2, wherein a pressing channel is arranged in the middle of the upper end of the positioning block, a pressing elastic body is arranged in the pressing channel, a pressing column is inserted into the upper end of the pressing channel, the upper end of the pressing elastic body elastically presses the lower end of the pressing column, and the upper end of the pressing column presses the lower side of the rotating block.
4. The on-off rotation type chemical oxygen exhalation mechanism according to claim 1, wherein the lower ends of two sides of the positioning plate are respectively provided with a through opening, the through openings are communicated with the inside of the lower end of the oxygen making tank, the periphery of the inside of the lower end of the oxygen making tank is provided with an internal thread ring surface, the lower ends of two sides of the positioning plate are respectively provided with an on-off cover, and the on-off covers are respectively screwed on the internal thread ring surface after penetrating through the through openings.
5. The on-off rotation type chemical oxygen exhalation mechanism according to claim 1, wherein an exhaust check valve is arranged at the lower part of the top breather pipe; and the air suction transverse pipes are respectively provided with an air suction one-way valve.
6. The on-off rotation type chemical oxygen exhalation mechanism according to claim 1, wherein a perspective window is arranged in the middle of the upper end of the mask body.
7. The on-off rotary chemical oxygen exhalation mechanism according to claim 1, wherein the block is made of an elastic rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310333778.3A CN116212267A (en) | 2023-03-31 | 2023-03-31 | On-off rotation type chemical oxygen exhaling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310333778.3A CN116212267A (en) | 2023-03-31 | 2023-03-31 | On-off rotation type chemical oxygen exhaling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116212267A true CN116212267A (en) | 2023-06-06 |
Family
ID=86578875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310333778.3A Pending CN116212267A (en) | 2023-03-31 | 2023-03-31 | On-off rotation type chemical oxygen exhaling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116212267A (en) |
-
2023
- 2023-03-31 CN CN202310333778.3A patent/CN116212267A/en active Pending
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