Portable air respirator for fire rescue

Abstract

The utility model relates to the technical field of respirators, and discloses a portable fire rescue air respirator which comprises a carrying bag, an open bag is arranged at the upper end of the carrying bag, lock teeth are arranged on the outer walls of the ends, adjacent to the carrying bag, of the open bag, straps are fixedly connected to the two sides of the outer wall of the front end of the carrying bag, and the front end of the carrying bag is provided with an air inlet. A carrying belt is fixedly connected to the middle of the outer wall of the rear end of the carrying bag, a mounting bag is fixedly connected to the upper portion of the outer wall of one side of the carrying bag, an alarm is placed in the mounting bag, a mounting frame is fixedly connected to the middle of the outer wall of the other side of the carrying bag, and an air supply valve is arranged at the upper end of the outer wall of the other side of the mounting frame. When the air respirator for fire rescue is used, the air supply valve, the alarm and the mask are integrated and designed in a knapsack mode, the air respirator is not prone to winding obstacles when carried, trapped persons can be rescued only by wearing the mask and lifting or carrying the knapsack by hands, and the trapped persons can lie on the knapsack to be placed on one side when the trapped persons are rescued by a stretcher.

Description

Technical Field

[0001] The utility model relates to the technical field of respirators, in particular to a portable air respirator for firefighting and rescue. Background Art

[0002] As we all know, firefighting and rescue refers to the activities of specialized rescue teams or agencies that quickly arrive at the scene of fires, natural disasters, etc. through effective organization, technology and equipment to carry out firefighting, rescue and protection work to reduce casualties, property losses and maintain social security and order. These teams are professionally trained to effectively handle various scenes and work in coordination with other emergency services to provide emergency rescue and support to ensure the safety of the public and property. Air respirators are usually required in the process of firefighting and rescue. They are designed to provide clean, unpolluted air for firefighters or rescuers working in smoke, toxic gases or other harmful environments. They can avoid inhaling harmful gases, maintain clear vision and good breathing conditions, and effectively perform firefighting and rescue tasks to ensure their safety and execution.

[0003] Currently known air respirator equipment is 1. worn on the back, and accessories such as back support, shoulder straps, waist belt, air supply valve and alarm are too loose when carried, and firefighters may easily get entangled in obstacles when carrying them into the fire scene. 2. It has no hand-held accessories. 2. It is difficult for trapped people to wear them independently without training. 3. It is impossible for trapped people to lie upright when being rescued on stretchers. Therefore, technical improvements are urgently needed. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art and proposes a portable air respirator for firefighting and rescue. When the air respirator for firefighting and rescue is used, the air supply valve, the alarm and the mask are integrated into a backpack design, which is not easy to be entangled with obstacles when carried. When rescuing trapped persons, only the mask needs to be worn and the backpack can be carried by hand or on the shoulder. When the trapped persons are rescued by stretcher, the backpack can be placed on one side after the trapped persons lie down.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A portable air breathing apparatus for firefighting and rescue, comprising a carrying bag, an opening bag is arranged at the upper end of the carrying bag, the opening bag and the outer wall of the adjacent end of the carrying bag are both provided with locking teeth, shoulder straps are fixedly connected to both sides of the outer wall of the front end of the carrying bag, a lifting strap is fixedly connected to the middle of the outer wall of the rear end of the carrying bag, an installation bag is fixedly connected to the upper part of the outer wall of one side of the carrying bag, and an alarm is placed inside the installation bag;

[0007] A mounting frame is fixedly connected to the middle part of the outer wall on the other side of the carrying bag, an air supply valve is arranged on the upper end of the outer wall on the other side of the mounting frame, a Velcro surface is fixedly connected to one side of the outer wall of the air supply valve, a Velcro hook surface and a Velcro hook surface band are fixedly connected to the upper and lower parts of the outer wall on one side of the mounting frame respectively, a delivery pipe is snap-fitted to the lower end of the air supply valve, the upper and lower parts of the rear end of the outer wall on one side of the mounting frame are fixedly connected to the Velcro bands, limiting belts are fixedly connected to both sides of the lower surface of the open bag, a buckle is snap-fitted to one side adjacent to the limiting belt, and a breathing mask is arranged in the middle part of the upper surface of the open bag.

[0008] Furthermore, a placement groove is fixedly connected to the middle of the bottom surface of the carrying bag;

[0009] Through the above technical solution, the gas cylinder can be easily placed through the placement groove.

[0010] Furthermore, the outer wall of the locking tooth is slidably connected to two zippers;

[0011] Through the technical solution, the lock teeth can be easily opened through the zipper.

[0012] Furthermore, the Velcro fleece surface and the Velcro hook surface are mutually attached, and the Velcro hook surface band and the Velcro fleece surface band are mutually attached;

[0013] Through the above technical solution, the air supply valve can be placed conveniently by the Velcro fleece surface and the Velcro hook surface being fitted together, and the delivery tube can be placed conveniently by the Velcro hook surface band and the Velcro fleece surface band being fitted together.

[0014] Furthermore, an oxygen inlet is provided at the rear end of the lower surface of the breathing mask, the inner thread of the oxygen inlet is connected to a connecting pipe, a side of the connecting pipe away from the oxygen inlet is snap-fitted with a three-part interface, and a side of the three-part interface away from the connecting pipe is snap-fitted with a delivery pipe;

[0015] With the above technical solution, it is convenient to connect an additional mask through the three-point interface.

[0016] Furthermore, an alarm is snap-fitted on the outer wall of the air supply valve;

[0017] Through the above technical solution, the pressure of the gas cylinder can be monitored by the alarm and an alarm will be issued when the pressure is lower than the set value.

[0018] Furthermore, a first connecting belt and a second connecting belt are fixedly connected to both sides of the lower surface of the breathing mask, and a buckle and a buckle body are fixedly connected to the outer walls of the adjacent sides of the first connecting belt and the second connecting belt, respectively;

[0019] Through the above technical solution, the breathing mask can be easily limited by the snap connection between the fastener and the buckle body.

[0020] Furthermore, a gas cylinder is placed on the bottom surface of the placement groove;

[0021] Through the above technical solution, gas can be easily transported through gas cylinders.

[0022] The utility model has the following beneficial effects:

[0023] 1. The utility model proposes a portable air respirator for firefighting and rescue. Compared with the existing air respirators for firefighting and rescue, the air respirator for firefighting and rescue adopts a backpack design by integrating the air supply valve, alarm and mask into one body. It is not easy to get entangled with obstacles when carrying. When rescuing trapped persons, only the mask needs to be worn and the backpack can be carried by hand or on the shoulder. When using a stretcher for rescue, the trapped persons can lie down and the backpack can be placed on one side. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is an axonometric diagram of a portable air breathing apparatus for firefighting and rescue proposed by the utility model;

[0025] Figure 2 This is an axonometric schematic diagram of a portable air breathing apparatus for firefighting and rescue proposed by the utility model;

[0026] Figure 3 This is an axial cross-sectional schematic diagram of a portable air breathing apparatus for firefighting and rescue proposed by the utility model;

[0027] Figure 4 This is a schematic structural diagram of a breathing mask in a portable air breathing apparatus for firefighting and rescue proposed by the utility model;

[0028] Figure 5 for Figure 2 The enlarged view of point A in the middle;

[0029] Figure 6 for Figure 3 Enlarged view of point B in the middle.

[0030] Legend:

[0031] 1. Carrying bag; 2. Bag opening; 3. Locking teeth; 4. Zipper; 5. Shoulder strap; 6. Lifting strap; 7. Placement slot; 8. Installation bag; 9. Alarm; 10. Installation frame; 11. Air supply valve; 12. Velcro fleece surface; 13. Velcro hook surface; 14. Delivery tube; 15. Velcro hook surface tape; 16. Velcro fleece surface tape; 17. Limiting tape; 18. Buckle; 19. Breathing mask; 20. Oxygen inlet; 21. First connecting tape; 22. Second connecting tape; 23. Fastener; 24. Buckle body; 25. Connecting pipe; 26. Three-point interface; 27. Gas cylinder. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Reference Figure 1-6 , an embodiment provided by the utility model:

[0034] A portable air breathing apparatus for firefighting and rescue, comprising a carrying bag 1, an opening bag 2 is arranged at the upper end of the carrying bag 1, the outer wall of the opening bag 2 and the adjacent end of the carrying bag 1 are both provided with locking teeth 3, shoulder straps 5 are fixedly connected to both sides of the outer wall of the front end of the carrying bag 1, a carrying strap 6 is fixedly connected to the middle of the outer wall of the rear end of the carrying bag 1, an installation bag 8 is fixedly connected to the upper part of the outer wall of one side of the carrying bag 1, and an alarm 9 is placed inside the installation bag 8;

[0035] A mounting frame 10 is fixedly connected to the middle part of the outer wall on the other side of the carrying bag 1, an air supply valve 11 is arranged on the upper end of the outer wall on the other side of the mounting frame 10, a Velcro fleece surface 12 is fixedly connected to one side of the outer wall of the air supply valve 11, a Velcro hook surface 13 and a Velcro hook surface band 15 are respectively fixedly connected to the upper and lower parts of the outer wall on one side of the mounting frame 10, a delivery pipe 14 is snap-fitted to the lower end of the air supply valve 11, and Velcro fleece bands 16 are fixedly connected to the upper and lower parts of the rear end of the outer wall on one side of the mounting frame 10, limiting belts 17 are fixedly connected to both sides of the lower surface of the opening bag 2, a buckle 18 is snap-fitted to one side adjacent to the limiting belt 17, and a breathing mask 19 is arranged in the middle part of the upper surface of the opening bag 2.

[0036] A placement groove 7 is fixedly connected to the middle of the bottom surface of the carrying bag 1, and the placement groove 7 is convenient for placing the gas cylinder 27. The outer wall of the locking tooth 3 is slidably connected to two zippers 4, and the locking tooth 3 is convenient to open through the zipper 4. The Velcro fur surface 12 and the Velcro hook surface 13 are fitted together, and the Velcro hook surface band 15 and the Velcro fur surface band 16 are fitted together. The Velcro fur surface 12 and the Velcro hook surface 13 are fitted together to facilitate the placement of the air supply valve 11, and the Velcro hook surface band 15 and the Velcro fur surface band 16 are fitted together to facilitate the placement of the delivery tube 14. An oxygen inlet 20 is provided at the rear end of the lower surface of the breathing mask 19, and the internal thread of the oxygen inlet 20 is connected to a connecting pipe 25, and the side of the connecting pipe 25 away from the oxygen inlet 20 is snap-fitted with A three-part interface 26, the side of the three-part interface 26 away from the connecting pipe 25 is snap-fitted with the delivery pipe 14, and an additional mask can be connected conveniently through the three-part interface 26. The outer wall of the air supply valve 11 is snap-fitted with an alarm 9, and the alarm 9 can monitor the pressure of the gas cylinder 27 and sound an alarm when the pressure is lower than the set value. The two sides of the lower surface of the breathing mask 19 are respectively fixedly connected with the first connecting belt 21 and the second connecting belt 22, and the outer walls of the adjacent sides of the first connecting belt 21 and the second connecting belt 22 are respectively fixedly connected with a fastener 23 and a buckle body 24, and the fastener 23 and the buckle body 24 are snap-fitted with each other, and the breathing mask 19 can be limited by placing the gas cylinder 27 on the bottom surface of the placement groove 7, and the gas can be conveniently transported through the gas cylinder 27.

[0037] Working principle: When in use, the opening bag 2 is opened by sliding the zipper 4, the mask is taken out by opening the buckle 18, and the mask is worn by snapping the buckle body 24 with the fastener 23. The air supply valve 11 is taken out by force to separate the Velcro fur surface 12 from the Velcro hook surface 13 so as to be threadedly connected to the gas cylinder 27, and the alarm 9, the connecting pipe 25 and the three-point interface 26 are taken out from the installation bag 8. By snapping the alarm 9 with the other side of the air supply valve 11, the pressure of the gas cylinder 27 can be monitored, and an alarm is sounded when the pressure is lower than the set value. When the breathing mask 19 is threadedly connected to the connecting tube 25, the other end of the connecting tube 25 is clamped into the three-way joint 26. By pulling the Velcro fleece surface 12 and the Velcro hook surface 13 to disengage them, the delivery tube 14 is clamped into the air outlet of the air supply valve 11. The delivery tube 14 is connected to the three-way joint 26, and an additional mask can be connected. When the assembly is completed, by opening the gas cylinder 27, the compressed air in the gas cylinder 27 flows out through the air supply valve 11, and the compressed air flows to the connecting tube 25 through the delivery tube 14, and then enters the breathing mask 19 for the user to breathe.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable air breathing apparatus for firefighting and rescue, comprising a carrying bag (1), characterized in that: The upper end of the carrying bag (1) is provided with an opening bag (2), the outer wall of the opening bag (2) and the adjacent end of the carrying bag (1) are both provided with locking teeth (3), the two sides of the front end outer wall of the carrying bag (1) are fixedly connected with shoulder straps (5), the middle part of the rear end outer wall of the carrying bag (1) is fixedly connected with a carrying strap (6), the upper part of the outer wall of one side of the carrying bag (1) is fixedly connected with an installation bag (8), and an alarm (9) is placed inside the installation bag (8); A mounting frame (10) is fixedly connected to the middle of the outer wall on the other side of the carrying bag (1), an air supply valve (11) is arranged at the upper end of the outer wall on the other side of the mounting frame (10), a Velcro fleece surface (12) is fixedly connected to one side of the outer wall of the air supply valve (11), a Velcro hook surface (13) and a Velcro hook surface band (15) are respectively fixedly connected to the upper and lower parts of the outer wall on one side of the mounting frame (10), a delivery pipe (14) is snap-fitted to the lower end of the air supply valve (11), the upper and lower parts of the rear end of the outer wall on one side of the mounting frame (10) are both fixedly connected to the Velcro fleece band (16), limiting bands (17) are fixedly connected to both sides of the lower surface of the opening bag (2), a buckle (18) is snap-fitted to one side adjacent to the limiting band (17), and a breathing mask (19) is arranged in the middle of the upper surface of the opening bag (2).

2. A portable air breathing apparatus for firefighting and rescue according to claim 1, characterized in that: A placement groove (7) is provided in the middle of the upper surface of the carrying bag (1).

3. A portable air breathing apparatus for firefighting and rescue according to claim 1, characterized in that: The outer wall of the locking tooth (3) is slidably connected to two zippers (4).

4. A portable air breathing apparatus for firefighting and rescue according to claim 1, characterized in that: The Velcro fleece surface (12) and the Velcro hook surface (13) are in contact with each other, and the Velcro hook surface band (15) and the Velcro fleece surface band (16) are in contact with each other.

5. A portable air breathing apparatus for firefighting and rescue according to claim 1, characterized in that: An oxygen inlet (20) is provided at the rear end of the lower surface of the breathing mask (19), and a connecting pipe (25) is connected to the inner thread of the oxygen inlet (20), and a three-part interface (26) is snap-fitted on the side of the connecting pipe (25) away from the oxygen inlet (20), and a side of the three-part interface (26) away from the connecting pipe (25) is snap-fitted with the delivery pipe (14).

6. A portable air breathing apparatus for firefighting and rescue according to claim 1, characterized in that: The outer wall of the air supply valve (11) is snap-fitted with an alarm (9).

7. A portable air breathing apparatus for firefighting and rescue according to claim 1, characterized in that: A first connecting belt (21) and a second connecting belt (22) are fixedly connected to both sides of the lower surface of the breathing mask (19), and a fastener (23) and a buckle body (24) are fixedly connected to the outer walls of the adjacent sides of the first connecting belt (21) and the second connecting belt (22).

8. A portable air breathing apparatus for firefighting and rescue according to claim 2, characterized in that: A gas cylinder (27) is placed on the bottom surface of the placement groove (7).

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