CN219271985U - Isolated positive pressure oxygen respirator - Google Patents
Isolated positive pressure oxygen respirator Download PDFInfo
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- CN219271985U CN219271985U CN202223592904.7U CN202223592904U CN219271985U CN 219271985 U CN219271985 U CN 219271985U CN 202223592904 U CN202223592904 U CN 202223592904U CN 219271985 U CN219271985 U CN 219271985U
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Abstract
The utility model discloses an isolated positive pressure oxygen respirator, which belongs to the technical field of respirators and comprises a shell and a breathing mechanism; an oxygen tank and an air bag are arranged in the shell; the oxygen tank is communicated with the air bag through an oxygen supply pipe; a tension spring is arranged in the air bag; the two side walls of the airbag, which are away from each other, are respectively provided with a first supporting plate and a second supporting plate; the side wall of the air bag is correspondingly provided with a connecting mechanism; two ends of the tension spring are respectively connected with the first support plate and the second support plate through corresponding connecting mechanisms; according to the utility model, the tension spring is arranged in the air bag in the respirator, so that the air pressure in the air bag is larger than the air pressure in the air suction pipe, and the oxygen in the air bag can continuously flow out from the air suction hole and enter the air suction pipe.
Description
Technical Field
The utility model belongs to the technical field of respirators, and particularly relates to an isolated positive pressure oxygen respirator.
Background
The oxygen respirator is a respiratory protection product, an emergency rescue person can often use the oxygen respirator in a rescue task, the air bag is used as a part in the respirator, whether the emergency rescue person can absorb sufficient oxygen or not is related to the oxygen respirator, CN2500327Y discloses an isolated regenerative positive pressure oxygen or mixed gas respirator, because the emergency rescue person consumes very much physical strength when carrying out the rescue task, after long-time rescue operation, the respiratory rate of the emergency rescue person can be reduced, at the moment, the emergency rescue person needs to absorb oxygen so as to accelerate the recovery of the body, and the isolated regenerative positive pressure oxygen or mixed gas respirator can not help the tired emergency rescue person to assist in absorbing oxygen, so that the emergency rescue person can not be helped to accelerate the recovery of the body.
Disclosure of Invention
Therefore, the utility model aims to provide an isolated positive pressure oxygen respirator, so as to solve the technical problem that the respirator in the prior art cannot help tired emergency rescue workers to assist in absorbing oxygen, and thus cannot help the emergency rescue workers to accelerate body recovery.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an isolated positive pressure oxygen respirator, which comprises a shell and a breathing mechanism; an oxygen tank and an air bag are arranged in the shell; the oxygen tank is communicated with the air bag through an oxygen supply pipe; a tension spring is arranged in the air bag; the two side walls of the airbag, which are away from each other, are respectively provided with a first supporting plate and a second supporting plate; the side wall of the air bag is correspondingly provided with a connecting mechanism; two ends of the tension spring are respectively connected with the first support plate and the second support plate through corresponding connecting mechanisms; the breathing mechanism comprises a mask and a tee joint, one ends of the mask and the tee joint are communicated through a vent pipe, and the other two ends of the tee joint are respectively communicated with an air suction pipe and an air breathing pipe; an air suction valve with the ventilation direction facing to the air breathing pipe is arranged at the joint of the air suction pipe and the three-way joint; an exhalation valve with a ventilation direction far away from the inhalation pipe is arranged at the joint of the exhalation pipe and the three-way joint; the air bag is provided with an air suction hole and an air breathing hole; the air suction pipe and the air exhaling pipe are respectively communicated with the air suction hole and the air exhaling hole.
Further, the connection mechanism comprises a circular plate; a plurality of clamping blocks are circularly arranged on one side of the circular plate, which is close to the tension spring, in an array manner; two ends of the tension spring are respectively clamped on the corresponding clamping blocks; the other side of the circular plate is contacted with the side wall of the air bag and is coaxially connected with a fixed rod; the first support plate and the second support plate are correspondingly provided with through holes; the fixing rod passes through the air bag and is inserted into the corresponding through hole; one end of the fixed rod, which is far away from the tension spring, penetrates through the through hole and is in threaded connection with a fixed block; the fixed block is close to the side wall of the tension spring and is contacted with the side walls of the corresponding first support plate and second support plate.
Further, the air bag is fixedly communicated with a water absorbing bag.
Further, the cleaning tank is communicated with an exhaust valve; an exhaust pipe is communicated with the air bag; a transmission lever is connected in a sliding way in the exhaust pipe; when the air pressure in the air bag reaches a preset value, the transmission lever can open the exhaust valve, so that the air in the cleaning tank is released.
Further, a cleaning tank is communicated between the expiration tube and the air bag.
Further, a cooling tank is communicated between the air suction pipe and the air bag.
Further, a pressure reducer is communicated between the oxygen tank and the oxygen supply pipe.
Further, an electronic monitoring system is arranged in the shell.
Further, a loudspeaker is also connected to the face mask.
Further, the outside of casing fixedly connected with braces and waistband.
The utility model has the beneficial effects that:
according to the utility model, the tension spring is arranged in the air bag in the respirator, so that the air pressure in the air bag is larger than the air pressure in the air suction pipe, and the oxygen in the air bag can continuously flow out from the air suction hole and enter the air suction pipe.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present utility model more clear, the present utility model provides the following drawings for description:
FIG. 1 is a schematic view of a respirator of the present utility model;
FIG. 2 is a three-dimensional view of the inflated state of the balloon of the present utility model;
FIG. 3 is a three-dimensional view of the internal structure of the airbag of the present utility model;
FIG. 4 is a three-dimensional view of the attachment mechanism of the present utility model;
fig. 5 is a schematic diagram of the operation of the exhaust valve of the present utility model.
The figures are marked as follows: the device comprises a shell 1, an oxygen tank 2, an air bag 3, a tension spring 4, a first supporting plate 5, a second supporting plate 6, a mask 7, a three-way joint 8, an air suction pipe 9, an air exhaling pipe 10, an air suction hole 11, an air exhaling hole 12, an oxygen hole 13, a circular plate 14, a clamping block 15, a fixed block 16, an air suction bag 17, an exhaust pipe 18, an exhaust valve 19, a cleaning tank 20, a first semicircular pipe 201, a first connecting pipe 202, a cooling tank 21, a second semicircular pipe 211, a second connecting pipe 212, a pressure reducer 22, a detection alarm 23, a sensor 24, a loudspeaker 25, a brace 26, a waistband 27, a button 28, a transmission lever 29, a spring 30, a thimble 31, an exhaust hole 32, a closed pipe 33 and an annular pipe 34.
Detailed Description
As shown in fig. 1 to 5, the utility model provides an isolated positive pressure oxygen respirator, which comprises a shell 1 and a breathing mechanism; the shell 1 is clamped with an oxygen tank 2 and an air bag 3; as shown in fig. 2 and 3, two tension springs 4 are arranged in the air bag 3; the upper side wall and the lower side wall of the air bag 3 are respectively provided with a first supporting plate 5 and a second supporting plate 6; the upper side wall and the lower side wall in the air bag 3 are correspondingly provided with connecting mechanisms; the upper end and the lower end of each tension spring 4 are respectively connected with a first supporting plate 5 and a second supporting plate 6 through corresponding connecting mechanisms; as shown in fig. 1, the breathing mechanism comprises a mask 7 and a three-way joint 8, wherein the upper ends of the mask 7 and the three-way joint 8 are communicated through a breather pipe, and the left end and the right end of the three-way joint 8 are respectively communicated with an expiration pipe 10 and an inspiration pipe 9; an air suction valve (not shown in the figure) with the air ventilation direction facing to the left is arranged at the joint of the air suction pipe 9 and the right end of the three-way joint 8; an exhalation valve (not shown in the figure) with the ventilation direction facing left is arranged at the joint of the exhalation tube 10 and the left end of the three-way joint 8; as shown in fig. 2, the front side wall of the air bag 3 is provided with an inhalation hole 11 and an exhalation hole 12; the air suction pipe 9 and the air exhaling pipe 10 are respectively communicated with the air suction hole 11 and the air exhaling hole 12; the right side wall of the air bag 3 is provided with an oxygen hole 13; as shown in fig. 1, the oxygen tank 2 is communicated with the oxygen hole 13 of the air bag 3 through an oxygen supply pipe.
The principle and beneficial effect of the technical scheme are that:
when the emergency rescue personnel exhales, oxygen enters the expiration tube 10 from the ventilation tube through the expiration valve and then enters the air bag 3; when the emergency rescue personnel inhale, oxygen in the gasbag 3 gets into breathing pipe 9, then gets into the breather pipe through the suction valve after, is absorbed by the emergency rescue personnel through face guard 7.
By arranging the tension spring 4 in the air bag 3, the air pressure in the air bag 3 is higher than the air pressure in the air suction pipe 9, so that oxygen in the air bag 3 can continuously flow out of the air suction hole 11 and enter the air suction pipe 9, and emergency rescue workers with low respiratory rate can absorb sufficient oxygen through the mask 7, thereby accelerating the physical recovery of the emergency rescue workers; at the same time, the arrangement of the first support plate 5 and the second support plate 6 can protect the inflated airbag 3; the arrangement of the tension springs 4 in the air-bag 3 reduces the space taken up by the air-bag 3 compared to the arrangement of springs outside the air-bag 3.
In this embodiment, as shown in fig. 3 and 4, there are two connection mechanisms; each connecting mechanism comprises an upper circular plate 14 and a lower circular plate 14; four clamping blocks 15 are circularly arranged on each circular plate 14 close to the side wall of the tension spring 4; each clamping block 15 is provided with a clamping groove facing the axial direction of the circular plate 14; the upper and lower ends of the tension spring 4 are respectively clamped in clamping grooves corresponding to the four clamping blocks 15; the side wall of each circular plate 14 far away from the tension spring 4 is in contact with the side wall in the air bag 3 and is coaxially connected with a fixed rod (not shown in the figure); the first support plate 5 and the second support plate 6 are correspondingly provided with coaxial through holes (not shown in the figure); each fixing rod passes through the air bag 3 and is inserted into the corresponding through hole; the transition part of the fixing rod passing through the air bag 3 is treated by rubber sealing, so that air leakage of the air bag 3 is avoided; and one end of each fixing rod far away from the tension spring 4 penetrates through the through hole and is in threaded connection with a fixing block 16; each fixing block 16 is contacted with the side walls of the corresponding first support plate 5 and second support plate 6 near the side wall of the tension spring 4.
The principle and beneficial effect of the technical scheme are that:
the tension spring 4 is clamped in the clamping groove of the clamping block 15, so that the connection stability of the tension spring 4 is improved; at the same time, the side wall of the circular plate 14 is contacted with the side wall of the air bag 3, and the first support plate 5 and the second support plate 6 are contacted with the side wall of the air bag 3, so that the air bag 3 is tightly clamped between the two, and the space occupied by the air bag 3 in the respirator is reduced.
In the embodiment, as shown in fig. 1, the lower side wall of the air bag 3 is fixedly communicated with a water absorbing bag 17; the water absorbing bag 17 is positioned at the left end of the oxygen tank 2, and a foam board (not shown in the figure) is arranged in the water absorbing bag 17.
The principle and beneficial effect of the technical scheme are that:
when the emergency rescue personnel exhales, water vapor can be generated, the exhaled air enters the air bag 3 through the breathing pipe 10, and as the water absorbing bag 17 is communicated with the air bag 3, the exhaled air can enter the water absorbing bag 17, and the foam board can absorb the water vapor.
In this embodiment, as shown in fig. 1, the upper side wall of the airbag 3 is communicated with an exhaust pipe 18; an exhaust valve 19 is arranged at the upper end of the exhaust pipe 18, and the left end of the exhaust valve 19 is communicated with a cleaning tank 20; as shown in fig. 5, the exhaust valve 19 is opened with a passage; a spring 30 is fixedly arranged at the step surface in the exhaust valve 19; the lower end of the spring 30 is connected with a baffle; the lower side wall of the baffle is fixedly connected with a thimble 31; the lower side wall in the exhaust valve 19 is provided with a starting hole; the thimble 31 is arranged in the starting hole in a sliding way, and the lower side wall of the exhaust valve 19 is provided with a plurality of exhaust holes 32; the lower side wall in the exhaust valve 19 is fixedly provided with a closed pipe 33; in the initial state, the lower side wall of the baffle plate is in contact with the upper side wall of the closed tube 33, so that the channel and the exhaust hole 32 are in an unconnected state; a transmission lever 29 is slidably connected to the exhaust pipe 18; the transmission lever 29 has a structure with a small middle part and large two ends; the lower end of the transmission lever 29 is positioned in the air bag 3; the upper side wall in the air bag 3 is fixedly provided with an annular pipe 34; the lower end of the transmission lever 29 is arranged in the annular pipe 34 in a sliding way; in the initial state, the lower end of the transmission lever 29 is still in the annular tube 34.
The principle and beneficial effect of the technical scheme are that:
when the work load of emergency rescue workers is small and the oxygen consumption is low, oxygen is accumulated in the air bag 3, so that the pressure is increased, and once the pressure in the air bag 3 is increased to (400-700) Pa, the gas in the air bag 3 pushes the lower end of the transmission lever 29 through the annular pipe 34, so that the transmission lever 29 slides upwards, and the upper end of the transmission lever 29 pushes the ejector pin 31 on the exhaust valve 19; thereby driving the baffle plate compression spring 30 to move upwards, the lower side wall of the baffle plate is released from contact with the upper side wall of the closed pipe 33, so that the cleaning tank 20 is communicated with the exhaust hole 32 through a channel in the exhaust valve 19, and the gas in the cleaning tank 20 is exhausted, and when the gas in the cleaning tank 20 is exhausted due to the communication of the air bag 3 and the cleaning tank 20, the air pressure in the air bag 3 is also reduced, thereby avoiding explosion caused by overlarge pressure of the air bag 3; after the air pressure in the air bag 3 is reduced, the spring 30 drives the baffle plate to move downwards, so that the ejector pin 31 pushes the transmission lever 29 to move downwards, the pressure in the air bag 3 keeps normal working pressure, at the moment, the lower side wall of the baffle plate is contacted with the upper side wall of the closed pipe 33, and the channel of the exhaust valve 19 and the exhaust hole 32 are in an un-communicated state again.
In this embodiment, as shown in fig. 1, a cleaning tank 20 is engaged in a housing 1; the upper end of the cleaning tank 20 is communicated with a first semicircular through pipe 201, and the lower end of the cleaning tank is communicated with a first connecting pipe 202; the first connecting tube 202 communicates with the airbag 3 through the breathing hole 12; the cleaning tank 20 is filled with a carbon dioxide absorbent, and the carbon dioxide absorbent may be granular calcium hydroxide with a diameter of about phi 3 mm.
The principle and beneficial effect of the technical scheme are that:
the carbon dioxide absorbent in the purifying tank 20 is specially used for absorbing carbon dioxide gas, and the remained oxygen-containing gas after absorbing and purifying the carbon dioxide in the exhaled gas of the human body is used again
In this embodiment, as shown in fig. 1, a cooling tank 21 positioned on the right side of a cleaning tank 20 is clamped in a housing 1; the upper end of the cooling tank 21 is communicated with a second semicircular through pipe 211, and the lower end of the cooling tank is communicated with a second connecting pipe 212; the second connection pipe 212 communicates with the airbag 3 through the suction hole 11; the cooling tank 21 is provided with a package type "blue ice" as a cooling agent.
The principle and beneficial effect of the technical scheme are that:
before use, the encapsulated "blue ice" should be frozen in a refrigerator below-10 ℃ for 48 hours to render the encapsulated liquid blue ice solid. When the emergency rescue personnel wear the respirator operation, the air flow flows in the cooling tank 21, and the cooling agent absorbs a large amount of heat, so that the temperature of the air flow is reduced (blue ice after heat absorption gradually becomes liquid), and the comfort level of human inhalation is improved.
In this embodiment, as shown in fig. 1, a pressure reducer 22 is connected between the oxygen tank 2 and the oxygen supply pipe.
The principle and beneficial effect of the technical scheme are that:
the pressure reducer 22 decompresses the high-pressure gas in the oxygen tank 2 and supplies oxygen to the air bag 3 with stable quantitative oxygen supply not less than 1.5L/min; when the pressure in the air bag 3 is (10-245) Pa, automatically supplementing air into the air bag 3; how the pressure reducer 22 automatically supplements air into the air bag 3 is the prior art, and will not be described in detail; the manual air supplementing button 28 is pressed so as to supply air to the air bag 3 at a flow rate of more than or equal to 100L/min.
In this embodiment, as shown in fig. 1, an electronic monitoring system is further disposed in the housing 1; the electronic monitoring system comprises a detection alarm 23 and a sensor 24 fixedly connected to the right side wall in the shell 1; the sensor 24 is used for detecting the pressure in the oxygen tank 2; the detection alarm 23 is electrically connected with the sensor 24; the detection alarm 23 is provided with an alarm lamp (not shown) and a loudspeaker (not shown); the sensor 24 transmits the detected pressure to the detection alarm 23; the detection alarm 23 receives the pressure data transmitted by the sensor 24, and controls the alarm lamp to flash and the loudspeaker to sound through the singlechip arranged inside; the connection mode and the control mode of the detection alarm 23 and the sensor 24 are the prior art, and are not described in detail.
The principle and beneficial effect of the technical scheme are that:
when the residual pressure in the oxygen tank 2 drops to 5MPa, the singlechip on the detection alarm instrument 23 controls the alarm lamp to flash and the loudspeaker to send out residual pressure sound, so that emergency rescue workers are reminded to evacuate the disaster area in time, and when the residual pressure in the oxygen tank 2 drops to 2MPa, high-frequency audible and visual alarms can be automatically sent out.
In this embodiment, as shown in fig. 1, a speaker 25 is connected to the mask 7.
The principle and beneficial effect of the technical scheme are that:
the loudspeaker 25 can enlarge the volume of the emergency personnel speaking.
In this embodiment, as shown in fig. 1, a strap 26 and a waistband 27 are fixedly connected to the outside of the housing 1.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the utility model, and that, although the utility model has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (10)
1. An isolated positive pressure oxygen respirator, characterized in that: comprises a shell and a breathing mechanism; an oxygen tank and an air bag are arranged in the shell; the oxygen tank is communicated with the air bag through an oxygen supply pipe; a tension spring is arranged in the air bag; the two side walls of the airbag, which are away from each other, are respectively provided with a first supporting plate and a second supporting plate; the side wall of the air bag is correspondingly provided with a connecting mechanism; two ends of the tension spring are respectively connected with the first support plate and the second support plate through corresponding connecting mechanisms; the breathing mechanism comprises a mask and a tee joint, one ends of the mask and the tee joint are communicated through a vent pipe, and the other two ends of the tee joint are respectively communicated with an air suction pipe and an air breathing pipe; an air suction valve with the ventilation direction facing to the air breathing pipe is arranged at the joint of the air suction pipe and the three-way joint; an exhalation valve with a ventilation direction far away from the inhalation pipe is arranged at the joint of the exhalation pipe and the three-way joint; the air bag is provided with an air suction hole and an air breathing hole; the air suction pipe and the air exhaling pipe are respectively communicated with the air suction hole and the air exhaling hole.
2. The isolated positive pressure oxygen respirator of claim 1, wherein: the connecting mechanism comprises a circular plate; a plurality of clamping blocks are circularly arranged on one side of the circular plate, which is close to the tension spring, in an array manner; two ends of the tension spring are respectively clamped on the corresponding clamping blocks; the other side of the circular plate is contacted with the side wall of the air bag and is coaxially connected with a fixed rod; the first support plate and the second support plate are correspondingly provided with through holes; the fixing rod passes through the air bag and is inserted into the corresponding through hole; one end of the fixed rod, which is far away from the tension spring, penetrates through the through hole and is in threaded connection with a fixed block; the fixed block is close to the side wall of the tension spring and is contacted with the side walls of the corresponding first support plate and second support plate.
3. The isolated positive pressure oxygen respirator of claim 1, wherein: the air bag is fixedly communicated with a water absorbing bag.
4. The isolated positive pressure oxygen respirator of claim 1, wherein: a cleaning tank is communicated between the expiration pipe and the air bag.
5. The isolated positive pressure oxygen respirator of claim 4, wherein: the cleaning tank is communicated with an exhaust valve; an exhaust pipe is communicated with the air bag; a transmission lever is connected in a sliding way in the exhaust pipe; when the air pressure in the air bag reaches a preset value, the transmission lever can open the exhaust valve, so that the air in the cleaning tank is released.
6. The isolated positive pressure oxygen respirator of claim 1, wherein: a cooling tank is communicated between the air suction pipe and the air bag.
7. The isolated positive pressure oxygen respirator of claim 1, wherein: a pressure reducer is communicated between the oxygen tank and the oxygen supply pipe.
8. The isolated positive pressure oxygen respirator of claim 1, wherein: an electronic monitoring system is also arranged in the shell.
9. The isolated positive pressure oxygen respirator of claim 1, wherein: and the face mask is also connected with a loudspeaker.
10. The isolated positive pressure oxygen respirator of claim 1, wherein: the outside of casing fixedly connected with braces and waistband.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223592904.7U CN219271985U (en) | 2022-12-30 | 2022-12-30 | Isolated positive pressure oxygen respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223592904.7U CN219271985U (en) | 2022-12-30 | 2022-12-30 | Isolated positive pressure oxygen respirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219271985U true CN219271985U (en) | 2023-06-30 |
Family
ID=86923169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223592904.7U Active CN219271985U (en) | 2022-12-30 | 2022-12-30 | Isolated positive pressure oxygen respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219271985U (en) |
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2022
- 2022-12-30 CN CN202223592904.7U patent/CN219271985U/en active Active
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