Emergency respirator

Abstract

The emergency respirator comprises a head cover, a top air bag is fixed to the top of the outer side of the head cover, a transparent face mask is installed in the middle of the head cover, a positioning elastic band is fixed to the bottom of the inner side of the head cover, and an inner mouth-nose mask is installed in the center of the bottom, located on the inner side of the head cover, of the transparent face mask. The inner mouth-nose mask is connected with the top end of the air guide pipe, the top of the air guide pipe is connected with the front face of the head cover, and the bottom end of the air guide pipe is connected with the air tank bag. Connecting hook faces are fixed to the bottoms of the outer walls of the two sides of the head cover, the connecting hook faces are bonded with connecting hair faces, and the connecting hair faces are fixed to the mounting pieces. According to the emergency respirator, the novel structural design is adopted, the head cover of the emergency respirator can be stably attached to the head, certain protection performance is achieved, the head and shoulders of a user can be protected in the environments such as a fire disaster, meanwhile, a gas cylinder bag positioning device is additionally arranged, and the gas cylinder bag can be effectively prevented from falling off during emergency escape.

Description

Technical Field

[0001] This utility model relates to the field of emergency respirator technology, specifically an emergency respirator. Background Technology

[0002] Emergency breathing apparatus is a key device that provides respiratory protection for personnel in emergency situations. It is suitable for scenarios such as fires, toxic gas leaks, medical emergencies, and industrial accidents. It mainly consists of a mask, a gas cylinder, and a gas cylinder fixing mechanism.

[0003] Existing emergency breathing apparatuses with foldable hoods, while easily foldable for storage when not in use, suffer from a soft overall structure, offering poor support and protection. Furthermore, the cylinder pack only has one diagonal carrying strap, resulting in insufficient stability and a tendency to slip during emergency escapes. To address these issues, an innovative design was developed based on existing emergency breathing apparatuses. Utility Model Content

[0004] The purpose of this invention is to provide an emergency respirator to solve at least one of the technical problems mentioned in the background section.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an emergency respirator, characterized in that it comprises: a head cover, a top airbag fixed to the outer top of the head cover, a transparent face mask installed in the middle of the head cover, a positioning elastic band fixed to the bottom of the inner side of the head cover, and an inner nose mask installed at the bottom center of the transparent face mask inside the head cover; the inner nose mask is connected to the top of the air duct, the top of the air duct is connected to the front of the head cover, the bottom of the air duct is connected to an air canister, a strap is installed in the middle of the side of the air canister, a shoulder strap is installed on the top of the side of the air canister, and an anti-slip hook is installed on the inner side of the top of the shoulder strap; connecting hooks are fixed to the bottom of the outer walls on both sides of the head cover, the connecting hooks are bonded to connecting rough surfaces, the connecting rough surfaces are fixed to a mounting plate, the bottom of the mounting plate is connected to the top of a shoulder protection plate, an anti-shedding surface is installed on the top surface of the shoulder protection plate, and a positioning inner liner is fixed to the inner side of the anti-shedding surface.

[0006] The above-mentioned emergency respirator is characterized in that: an inner air bladder is fixed to the top of the inner side of the head cover, the inner air bladder is annular when viewed from below, and a circular groove is provided in the center of the inner air bladder.

[0007] The above-mentioned emergency respirator is characterized in that: the annular structure of the inner air bladder is provided with three independent air chambers, the three independent air chambers are evenly distributed at 120°, and each independent air chamber is connected to a micro air pump, the micro air pump being fixed to the top of the inner side of the head cover.

[0008] The aforementioned emergency respirator is characterized in that it further includes an electronic circuit board disposed on the top of the inner side of the hood, the electronic circuit board integrating a microprocessor and pressure sensors arranged on the walls of three independent air chambers, the microprocessor being connected to the input end of a micro inflation pump.

[0009] The above-mentioned emergency respirator is characterized in that: the outer surface of the transparent mask is coated with an anti-fog coating, and the inner surface of the transparent mask is provided with a humidity sensing strip.

[0010] The above-mentioned emergency respirator is characterized in that: the frontal width of the top airbag is greater than 3 / 4 of the width of the hood, and under standard working pressure, the maximum thickness of the top airbag is not less than half the maximum thickness of the inner airbag.

[0011] The above-mentioned emergency breathing apparatus is characterized in that: the center of the anti-slip hook surface is aligned with the center of the top of the shoulder strap, and the length of the anti-slip hook surface is greater than 1 / 6 of the overall length of the shoulder strap.

[0012] The above-mentioned emergency respirator is characterized in that: the side view of the shoulder protection plate and the positioning liner is an inverted "U" shape, and the shoulder protection plate and the positioning liner are symmetrically distributed about the center of the head cover.

[0013] The above-mentioned emergency breathing apparatus is characterized in that: the shoulder protection plate is made of fireproof cloth, and the positioning inner lining is made of spring steel.

[0014] The above-mentioned emergency respirator is characterized in that: the length of the anti-hair-shedding surface is greater than 3 / 4 of the length of the shoulder protector, and the side view width of the anti-hair-shedding surface is greater than 1 / 3 of the side view width of the shoulder protector.

[0015] The emergency breathing apparatus of this invention has the following beneficial effects:

[0016] The new structural design not only ensures that the hood of the emergency breathing apparatus fits snugly against the head and provides a certain degree of protection, protecting the user's head and shoulders in environments such as fires, but also adds a cylinder pack positioning device to effectively prevent the cylinder pack from falling off during emergency escape.

[0017] 1. The inner airbag fits snugly against the user's head to support and position the headgear. Combined with the top airbag, it can protect the user's head and prevent injury from falling objects. At the same time, the shoulder protection plate and positioning inner lining plate further improve the stability of the headgear while protecting the user's shoulders.

[0018] 2. The anti-slip hook at the top of the shoulder strap connects with the anti-hair-shedding surface on the outside of the shoulder protection plate to prevent the shoulder strap from slipping off the shoulder during an emergency escape. Combined with a positioning inner liner with a certain degree of elasticity, it is secured to the user's shoulder, greatly improving the overall stability of the device.

[0019] 3. It improves the stability and safety of emergency respirators during emergency transport, providing reliable life support equipment for emergency transport. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a front view structural diagram of the present invention;

[0022] Figure 2 This is a frontal cross-sectional view of the headgear and shoulder protection plate of this utility model;

[0023] Figure 3 This is a schematic diagram of the internal airbag structure of this utility model from a bottom view;

[0024] Figure 4 This is a side view cross-sectional structural diagram of the shoulder protection plate of this utility model.

[0025] Figure 5 This is a circuit block diagram of the present invention.

[0026] [Explanation of Key Component Symbols]

[0027] 1. Headgear; 2. Top airbag; 3. Inner airbag; 4. Transparent face mask; 5. Positioning elastic band; 6. Inner mouth and nose mask; 7. Air tube; 8. Air canister; 9. Straps; 10. Shoulder straps; 11. Anti-slip hook surface; 12. Connecting hook surface; 13. Connecting fleece surface; 14. Mounting plate; 15. Shoulder protection plate; 16. Anti-shedding surface; 17. Positioning inner lining plate. Detailed Implementation

[0028] The emergency respirator of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0029] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0030] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0031] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0032] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0033] Please see Figure 1-4This utility model provides a technical solution: an emergency respirator, including a head cover 1, a top airbag 2, an inner airbag 3, a transparent face mask 4, a positioning elastic band 5, an inner mouth and nose mask 6, an air delivery tube 7, an air canister 8, straps 9, a shoulder strap 10, an anti-slip hook surface 11, a connecting hook surface 12, a connecting fleece surface 13, a mounting plate 14, a shoulder protection plate 15, an anti-slip surface 16, and a positioning inner liner 17. The top airbag 2 is fixed to the top outer side of the head cover 1, and the middle of the head cover 1... A transparent face mask 4 is installed, and a positioning elastic band 5 is fixed to the bottom inner side of the head cover 1. An inner nose mask 6 is installed at the bottom center of the transparent face mask 4 inside the head cover 1. The inner nose mask 6 is connected to the top of the air duct 7. The top of the air duct 7 is connected to the front of the head cover 1. The bottom of the air duct 7 is connected to the air canister 8. A strap 9 is installed in the middle of the side of the air canister 8. A shoulder strap 10 is installed on the top of the side of the air canister 8. An anti-slip hook surface 11 is installed on the inner side of the top of the shoulder strap 10. A connecting hook surface 12 is fixed to the bottom of the outer walls on both sides of the head cover 1. The connecting hook surface 12 is bonded to the connecting textured surface 13. The connecting textured surface 13 is fixed to the mounting plate 14. The bottom of the mounting plate 14 is connected to the top of the shoulder protection plate 15. An anti-slip surface 16 is installed on the top surface of the shoulder protection plate 15. A positioning inner lining piece 17 is fixed to the inner side of the anti-slip surface 16.

[0034] In actual use, the transparent face mask 4 is fitted into the opening in the middle of the headgear 1 through a waterproof sealing ring, and the inner nose mask 6 is snapped into the transparent face mask 4. The inner nose mask 6 is inserted into the top of the air tube 7 through a silicone tube, and the top of the air tube 7 is detachably connected to the center of the front of the headgear 1 through a quick connector; the bottom of the air tube 7 is threaded to the air canister 8; the shoulder strap 10 is riveted to the air canister 8; the anti-slip hook surface 11 is bonded to the shoulder strap 10. The bottom of the outer walls on both sides of the headgear 1 has an integrally formed connecting hook surface 12; the bottom of the mounting plate 14 is hinged to the shoulder protection plate 15 through a pivot; the shoulder protection plate 15 is glued to the anti-slip surface 16; the positioning inner lining plate 17 is embedded in the anti-slip surface 16.

[0035] In this embodiment, an inner airbag 3 is fixed to the top inner side of the headgear 1. The inner airbag 3 is ring-shaped when viewed from below, and a circular groove is provided in the center of the inner airbag 3. Specifically, the inner airbag 3 is a ring-shaped structure with a central through hole when viewed from below. The above structural design allows the inner airbag 3 to stably fit against the user's head, providing support and positioning for the headgear 1.

[0036] In this embodiment, the inner airbag 3 has three independent air chambers in its annular structure. The three independent air chambers are evenly distributed at 120°. Each independent air chamber is connected to a micro air pump 21, which is fixed to the top of the inner side of the headgear 1.

[0037] The three independent air chambers are designed primarily based on a combination of ergonomic and functional safety considerations. These three chambers form a stable triangular support structure, better adapting to the head contours of different users and achieving uniform pressure distribution. Furthermore, this modular design improves system reliability; if one chamber malfunctions, the remaining chambers can still maintain basic functionality, providing redundancy for emergencies. Simultaneously, each independent air chamber is equipped with an independent miniature inflation pump 21, and all three pumps inflate simultaneously, shortening emergency donning time.

[0038] like Figure 5 As shown, in this embodiment, an electronic circuit board is also provided on the top of the inner side of the headgear 1. The electronic circuit board integrates a microprocessor 22 and pressure sensors 23 arranged on the inner walls of the three independent air chambers 20. The microprocessor 22 is connected to the input terminal of the micro air pump 21.

[0039] After the wearer puts on the hood, emergency transport personnel manually turn on the miniature air pump 21 to inflate each of the 120-degree evenly distributed independent air chambers. Pressure sensors 23 on the inner wall of each air chamber monitor the air pressure data in real time and feed it back to the microprocessor 22. The microprocessor 22 has a preset air pressure threshold; when the monitored air pressure value reaches the threshold, the miniature air pump 21 stops working. A one-way valve is installed between the miniature air pump 21 and the independent air chambers to prevent gas backflow.

[0040] In this embodiment, the outer surface of the transparent mask 4 is coated with an anti-fog coating, and the inner surface of the transparent mask 4 is provided with a humidity sensing strip. The humidity sensing strip detects changes in humidity inside the mask. The humidity sensing strip is made of cobalt chloride color-changing material; when the humidity is <30%, the humidity sensing strip is blue, and when the humidity is >60%, the humidity sensing strip is pink. It can be used to detect breathing status.

[0041] In this example, the frontal width of the top airbag 2 is greater than 3 / 4 of the width of the headgear 1. Under standard working pressure, the maximum thickness of the top airbag 2 is not less than half the maximum thickness of the inner airbag 3. The above structural design enables the top airbag 2 and the inner airbag 3 to work together to provide stable protection for the user's head and prevent injury from falling objects.

[0042] In this example, the center of the anti-slip hook surface 11 is aligned with the top center of the shoulder strap 10, and the length of the anti-slip hook surface 11 is greater than 1 / 6 of the overall length of the shoulder strap 10. The above structural design ensures that the anti-slip hook surface 11 is long enough to stably fit with the anti-hair-shedding surface 16. It should be noted that the anti-slip hook surface 11 is a nylon hook and loop with a peel strength ≥15N / cm.

[0043] In this example, both the shoulder protection plate 15 and the positioning liner 17 have inverted "U"-shaped side cross-sections. Both are symmetrically distributed about the center of the headgear 1. The shoulder protection plate 15 is made of fire-resistant fabric, and the positioning liner 17 is made of spring steel. This structural design allows the positioning liner 17 to be stably secured to the user's shoulder, working in conjunction with the shoulder protection plate 15 to provide stable protection. It should be noted that the spring steel of the positioning liner 17 has a thickness of 0.5-1.2 mm and an elastic modulus ≥190 GPa.

[0044] In this example, the length of the anti-hair-shedding surface 16 is greater than 3 / 4 of the length of the shoulder protector 15, and the side view width of the anti-hair-shedding surface 16 is greater than 1 / 3 of the side view width of the shoulder protector 15. This structural design allows the anti-slip hook surface 11 on the inside of the shoulder strap 10 to easily adhere to the anti-hair-shedding surface 16 without requiring special alignment. It should be noted that the anti-hair-shedding surface 16 is fixed to the top surface of the shoulder protector 15 using a high-temperature resistant adhesive.

[0045] Working principle: When in use, put the headgear 1 on your head, and use the positioning elastic band 5 to tighten the bottom of the headgear 1 to fit tightly against the skin of your neck. The top of your head should fit against the inside of the inner airbag 3. Secure the positioning inner lining 17 to your shoulders, and attach the connecting hook surface 12 to the connecting hair surface 13. Use the mounting piece 14 to combine the shoulder protection piece 15 and the positioning inner lining 17 with the headgear 1. Then, put the shoulder strap 10 on your shoulders, and securely attach the anti-slip hook surface 11 on the inside of the shoulder strap 10 to the anti-slip hair surface 16 on the outside of the shoulder protection piece 15. Use the strap 9 to tie the air canister pack 8 to your waist, and you can then carry out emergency escape or first aid transport.

[0046] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the scope of protection of the present utility model.

Claims

1. An emergency respirator, characterized in that, include: Headgear (1), with a top airbag (2) fixed on the top of the outer side of the headgear (1), a transparent face mask (4) installed in the middle of the headgear (1), a positioning elastic band (5) fixed on the bottom of the inner side of the headgear (1), and an inner mouth and nose mask (6) installed on the bottom center of the transparent face mask (4) inside the headgear (1). The inner nasal mask (6) is connected to the top of the air duct (7), the top of the air duct (7) is connected to the front of the head cover (1), the bottom of the air duct (7) is connected to the gas tank (8), a strap (9) is installed in the middle of the side of the gas tank (8), a shoulder strap (10) is installed on the top of the side of the gas tank (8), and an anti-slip hook surface (11) is installed on the inner side of the top of the shoulder strap (10). The head cover (1) has connecting hook surfaces (12) fixed at the bottom of the outer walls on both sides. The connecting hook surfaces (12) are bonded to the connecting hair surfaces (13). The connecting hair surfaces (13) are fixed on the mounting plate (14). The bottom of the mounting plate (14) is connected to the top of the shoulder protection plate (15). The top surface of the shoulder protection plate (15) is equipped with an anti-hair-shedding surface (16). The inner side of the anti-hair-shedding surface (16) is fixed with a positioning inner liner (17).

2. An emergency respirator according to claim 1, characterized in that: An inner airbag (3) is fixed to the top of the inner side of the headgear (1). The inner airbag (3) is ring-shaped when viewed from below, and a circular groove is provided in the center of the inner airbag (3).

3. An emergency respirator according to claim 2, characterized in that: The inner airbag (3) has three independent air chambers in its annular structure. The three independent air chambers are evenly distributed at 120°. Each independent air chamber is connected to a micro air pump (21), which is fixed to the top of the inner side of the headgear (1).

4. An emergency respirator according to claim 3, characterized in that: It also includes an electronic circuit board located on the top of the inner side of the headgear (1), which integrates a microprocessor (22) and pressure sensors (23) arranged on the inner walls of three independent air chambers (20). The microprocessor (22) is connected to the input end of a micro air pump (21).

5. An emergency respirator according to claim 1, characterized in that: The outer surface of the transparent mask (4) is coated with an anti-fog coating, and the inner surface of the transparent mask (4) is provided with a humidity sensing strip.

6. An emergency respirator according to claim 2, characterized in that: The frontal width of the top airbag (2) is greater than 3 / 4 of the width of the headgear (1), and under standard working pressure, the maximum thickness of the top airbag (2) is not less than half the maximum thickness of the inner airbag (3).

7. An emergency respirator according to claim 1, characterized in that: The center of the anti-slip hook surface (11) is aligned with the top center of the shoulder strap (10), and the length of the anti-slip hook surface (11) is greater than 1 / 6 of the overall length of the shoulder strap (10).

8. An emergency respirator according to claim 1, characterized in that: The shoulder protection plate (15) and the positioning liner (17) are both inverted "U" shapes in side view, and the shoulder protection plate (15) and the positioning liner (17) are symmetrically distributed about the center of the head cover (1).

9. An emergency respirator according to claim 1, characterized in that: The shoulder protection piece (15) is made of fireproof cloth, and the positioning inner lining piece (17) is made of spring steel.

10. An emergency respirator according to claim 1, characterized in that: The length of the anti-hair removal surface (16) is greater than 3 / 4 of the length of the shoulder protector (15), and the side view width of the anti-hair removal surface (16) is greater than 1 / 3 of the side view width of the shoulder protector (15).

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