CN211273237U

CN211273237U - Firefighter's new trend helmet

Info

Publication number: CN211273237U
Application number: CN201922042262.5U
Authority: CN
Inventors: 张博涵; 胡开轩; 邓博文; 廖安琪
Original assignee: Hubei University of Technology
Current assignee: Hubei University of Technology
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-18
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a firefighter's new trend helmet, including helmet and air respirator, the helmet includes the helmet body, rotatory face guard and support, and is equipped with the strengthening rib at the top outer wall middle part of the helmet body, rotatory face guard passes through the hinge fastening in the one end outer wall both sides of the helmet body, the support passes through the bolt fastening on one side outer wall of keeping away from the rotatory face guard of the helmet body, air respirator is including wearing face guard, air duct and breathing box, and the outer wall an organic whole of wearing the face guard is connected with the trachea connector, the air duct is pegged graft on the inner wall of trachea connector. The utility model discloses filter smoke and dust and partial toxic gas in the air of fire scene, in carrying fire fighter's protective mask with filtering back pure air, form a local pressure-fired environment in the protective mask, prevent that the outside from containing in smoke and dust and toxic gas enter into the face guard, breathe and provide the protection with the eye to the fire fighter, the helmet body is semi-open environment, can not produce great influence to fire fighter's language exchange.

Description

Firefighter's new trend helmet

Technical Field

The utility model relates to a fire helmet technical field especially relates to a firefighter's new trend helmet.

Background

After the conflagration takes place, because the burning has produced a large amount of smoke and dust and poisonous harmful gas, the fire fighter when implementing the conflagration to put out a fire to save life and rescue, if do not implement the protection, inside these poisonous smoke and dust can enter into the health through nasal cavity, oral cavity, can produce the injury to fire fighter's health respiratory, poisonous harmful gas also can produce the injury to fire fighter's eyes simultaneously.

The air respirator is suitable for firemen to use in toxic or harmful gas environment, environment containing harmful substances such as smoke dust and the like and oxygen deficiency environment and can provide effective respiratory protection for the firemen. However, at present, most of the air respirators are used in a severe environment such as a fire scene, and are less used in general fire suppression. Meanwhile, the air respirator is worn, so that the air supply time is short (about 30 min), the observation and communication are inconvenient, the action is influenced by the heavy weight (about 10 kg), and the like.

Wearing the mask is one of effective measures for protecting the smoke dust, but one of the disadvantages is that the fire fighter needs to put out a fire in a fire scene, which is a body movement with higher intensity, the breathing frequency and the breathing intensity need to be accelerated, and the breathing resistance generated by wearing the mask can cause the fire fighter to generate larger discomfort; secondly, after wearing the mask, the voice communication between firefighters is greatly influenced, and the communication and the fighting in a fire scene are not facilitated. The fire fighters use the masks less on the fire scene from the practical aspect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a new air helmet for firefighters.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a firefighter's new trend helmet, includes helmet and air respirator, the helmet includes the helmet body, rotatory face guard and support, and the top outer wall middle part of the helmet body is equipped with the strengthening rib, rotatory face guard passes through the hinge to be fixed in the one end outer wall both sides of the helmet body, the support passes through the bolt fastening on one side outer wall of keeping away from rotatory face guard of the helmet body, air respirator is including wearing face guard, air duct and breathing box, and the outer wall body coupling of wearing the face guard has the trachea connector, the air duct is pegged graft on the inner wall of trachea connector, and the other end of air duct is connected with breathing box, breathing box includes machine box, dustcoat, filter and fan, and the dustcoat joint is on the outer wall of machine box, the filter joint is on the relative one side inner wall of dustcoat and machine box, the fan is established in.

Preferably, the inner wall of the bottom end of the case is provided with a battery compartment, and the outer wall of the bottom end of the battery compartment is clamped with a compartment cover.

Preferably, the outer wall of one side of the case is provided with a USB charging port and an adjusting button, and the outer wall of the top end of the case is provided with an electric quantity indicating lamp.

Preferably, the joint of the wearing face mask and the air pipe connector is provided with an air outlet, and the inner wall of the air outlet is provided with filtering cotton yarn.

Preferably, the fan includes a motor, a fan blade frame and fan blades, the motor is fixed on the inner wall of the fan blade frame, and the fan blades are fixed on the output shaft of the motor.

Preferably, the middle parts of the outer walls of the two sides of the filter are respectively provided with a buckle, and the filter is clamped on the inner wall of the outer cover through the buckles.

Preferably, the outer edge of the bottom end of the helmet body is integrally connected with a reinforcing cap peak, one side, close to the air respirator, of the reinforcing cap peak is provided with a pipe passing hole, and the outer wall of the air duct is inserted into the inner wall of the pipe passing hole.

Preferably, the bottom of the reinforcing cap peak is provided with a pipe running groove, the air guide pipes are arranged along the pipe running groove, and the outer wall of one side of each air guide pipe, which is close to the rotary face mask, is provided with an air hole.

The utility model has the advantages that:

1. the fresh air helmet filters smoke dust and part of toxic gas in air of a fire scene through the filter, and conveys the filtered pure air into the protective mask of a fireman, so that the air breathed by the fireman is pure and is not harmful to the body;

2. this new trend helmet passes through the fan and carries pure air in the protective face mask, forms a local pressure-fired environment in protective face mask, and at the face mask part, the gas pocket has been seted up to the air duct, and gas forms the air curtain in the gas pocket department, prevents that the outside from containing smoke and dust and toxic gas from entering into the face mask in, provides the protection to fire fighter breathing and eye, and the system is the semi-open environment, can not produce great influence to fire fighter's language exchange.

Drawings

Fig. 1 is a schematic view of a helmet structure of a fresh air helmet for firefighters according to the present invention;

fig. 2 is an exploded view of the air respirator structure of the fresh air helmet for firefighters according to the present invention.

In the figure: 1 helmet body, 2 strengthening ribs, 3 rotary face masks, 4 wearing face masks, 5 air ducts, 6 air pipe connectors, 7 reinforcing visor, 8 air respirator, 9 air outlet, 10 pipe passing holes, 11 adjusting buttons, 12 USB charging ports, 13 battery compartment, 14 case, 15 fan blades, 16 outer cover and 17 filter.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-2, a firefighter's new trend helmet, including helmet and air respirator 8, the helmet includes helmet body 1, rotary face mask 3 and support, and there are strengthening ribs 2 in the middle of the top outer wall of helmet body 1, rotary face mask 3 fixes on one end outer wall both sides of helmet body 1 through the hinge, the support fixes on one side outer wall far away from rotary face mask 3 of helmet body 1 through the bolt, air respirator 8 includes wearing face mask 4, air duct 5 and breathing box, and the outer wall of wearing face mask 4 connects with the trachea connector 6 integrally, the air duct 5 is pegged graft on the inner wall of trachea connector 6, and the other end of air duct 5 is connected with breathing box, breathing box includes casing 14, outer cover 16, filter 17 and fan, and outer cover 16 is blocked on the outer wall of casing 14, filter 17 is blocked on the inner wall of the opposite side of outer cover 16 and casing 14, the fan is established in the junction of casing 14 and air duct 5, the inner wall of the bottom end of the case 14 is provided with a battery chamber 13, the outer wall of the bottom end of the battery chamber 13 is clamped with a chamber cover, the outer wall of one side of the case 14 is provided with a USB charging port 12 and an adjusting button 11, the outer wall of the top end of the case 14 is provided with an electric quantity indicating lamp, the joint of the wearing face mask 4 and the air pipe connector 6 is provided with an air outlet 9, the inner wall of the air outlet 9 is provided with filtering cotton yarn, the fan comprises a motor, a fan blade frame and fan blades 15, the motor is fixed on the inner wall of the fan blade frame, the fan blades 15 are fixed on the output shaft of the motor, the middle parts of the outer walls of two sides of the filter 17 are respectively provided with a buckle, the filter 17 is clamped on the inner wall of the outer cover 16 through the buckles, the outer edge of the bottom end of the helmet body 1 is integrally connected with a reinforcing brim 7, one side of the reinforcing brim 7, which is close to, and the air duct 5 is arranged along the duct groove, and the outer wall of one side of the air duct 5 close to the rotary face mask 3 is provided with an air hole.

The working principle is as follows: this new trend helmet inhales the scene of a fire air through the fan, smoke and dust and partial toxic gas in with the scene of a fire air are strained through filter 17, carry the fire fighter wearing face guard 4 in with the pure air after will filtering, carry wearing face guard 4 in with the pure air through the fan, form a local pressure-fired environment in wearing face guard 4, prevent that the outside from containing in smoke and dust and toxic gas enter into the face guard, breathe and provide the protection with the eye to the fire fighter, the rotatory face guard 3 of the helmet body 1 is the semi-open environment, can not produce great influence to the speech exchange of fire fighter.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a firefighter's new trend helmet, includes helmet and air respirator (8), its characterized in that, the helmet includes the helmet body (1), rotatory face guard (3) and support, and is equipped with strengthening rib (2) at the top outer wall middle part of the helmet body (1), rotatory face guard (3) pass through the hinge fastening in the one end outer wall both sides of the helmet body (1), the support passes through the bolt fastening on one side outer wall of keeping away from rotatory face guard (3) of the helmet body (1), air respirator (8) are including wearing face guard (4), air duct (5) and breathing box, and the outer wall body coupling who wears face guard (4) has trachea connector (6), air duct (5) are pegged graft on the inner wall of trachea connector (6), and the other end of air duct (5) is connected with breathing box, breathing box includes machine box (14), outer cover (16), Filter (17) and fan, and dustcoat (16) joint is on the outer wall of machine box (14), filter (17) joint is on dustcoat (16) and the relative one side inner wall of machine box (14), the fan is established in the junction of machine box (14) and air duct (5).

2. A fresh air helmet for firefighters according to claim 1, wherein a battery compartment (13) is provided on the inner wall of the bottom end of the case (14), and a compartment cover is fastened to the outer wall of the bottom end of the battery compartment (13).

3. A firefighter's fresh air helmet according to claim 1, wherein a USB charging port (12) and an adjusting button (11) are provided on one side of the outer wall of the case (14), and a power indicator lamp is provided on the top outer wall of the case (14).

4. A fresh air helmet for firefighters according to claim 1, wherein the junction of the wearing mask (4) and the air pipe connector (6) is provided with an air outlet (9), and the inner wall of the air outlet (9) is provided with filter cotton yarn.

5. A firefighter's fresh air helmet as claimed in claim 1, wherein the blower includes a motor, a fan blade carrier and fan blades (15), and the motor is fixed to an inner wall of the fan blade carrier, and the fan blades (15) are fixed to an output shaft of the motor.

6. A firefighter's fresh air helmet according to claim 1, wherein the filter (17) is provided with a snap at the middle of the outer wall of each side, and the filter (17) is snapped on the inner wall of the outer cover (16) by the snap.

7. A fresh air helmet for firefighters according to claim 1, wherein a reinforcing visor (7) is integrally connected to the outer edge of the bottom end of the helmet body (1), a pipe passing hole (10) is formed in one side of the reinforcing visor (7) close to the air respirator (8), and the outer wall of the air duct (5) is inserted into the inner wall of the pipe passing hole (10).

8. A firefighter's fresh air helmet according to claim 7, wherein the bottom of the reinforcing visor (7) is provided with a duct, and air ducts (5) are arranged along the duct, and air holes are formed in the outer wall of one side of the air duct (5) close to the rotary face mask (3).