阅读说明：本技术 一种消防自救式呼吸器 (Fire control formula respirator of saving oneself ) 是由 殷亚军 顾磊 周峰 孙鹏 陈立敏 于 2021-06-25 设计创作，主要内容包括：本发明提供一种消防自救式呼吸器,具体涉及到消防设备技术领域。本发明包括呼吸阀和脖套,呼吸阀由固定筒、筒盖和垫片组成,固定筒的一端与呼吸罩相通,另一端与筒盖相接,固定筒的内侧壁设有固定环凸,垫片的边缘设于固定环凸的上方,筒盖上设有压板,压板设于固定环凸的上方；压板的下端设有转压板及凹台,转压板与凹台滑动连接,转压板设于垫片边缘的上方；筒盖上设有转杆和空腔,转杆贯穿空腔,与筒盖滑动连接,转杆与转压板之间设有连接杆,空腔内设有弹簧,弹簧的一端与转杆相接,另一端与空腔的腔壁转动连接。本发明提出的一种消防自救式呼吸器,能够实现消防自救式呼吸器上呼吸阀开合程度的调节,避免外界空气从呼吸阀内进入呼吸器内。(The invention provides a fire-fighting self-rescue respirator, and particularly relates to the technical field of fire-fighting equipment. The breathing valve comprises a breathing valve and a neck sleeve, wherein the breathing valve consists of a fixed cylinder, a cylinder cover and a gasket, one end of the fixed cylinder is communicated with a breathing mask, the other end of the fixed cylinder is connected with the cylinder cover, a fixed ring bulge is arranged on the inner side wall of the fixed cylinder, the edge of the gasket is arranged above the fixed ring bulge, a pressing plate is arranged on the cylinder cover, and the pressing plate is arranged above the fixed ring bulge; the lower end of the pressure plate is provided with a pressure plate and a concave platform, the pressure plate is connected with the concave platform in a sliding way, and the pressure plate is arranged above the edge of the gasket; the rotary rod penetrates through the cavity and is in sliding connection with the cylinder cover, the connecting rod is arranged between the rotary rod and the rotary pressing plate, a spring is arranged in the cavity, one end of the spring is connected with the rotary rod, and the other end of the spring is in rotating connection with the cavity wall of the cavity. The fire-fighting self-rescue respirator provided by the invention can realize the adjustment of the opening and closing degree of the breather valve on the fire-fighting self-rescue respirator, and prevent external air from entering the respirator from the breather valve.)

1. The utility model provides a fire control formula respirator of saving oneself, includes hood, transparent window, solid bandeau, filter tip, breather valve, respiratory mask and neck cover, its characterized in that: the breather valve consists of a fixed cylinder, a cylinder cover and a gasket, wherein one end of the fixed cylinder is communicated with the breathing mask, the other end of the fixed cylinder is connected with the cylinder cover, the gasket is arranged in the fixed cylinder, the inner side wall of the fixed cylinder is provided with a fixed ring bulge, the edge of the gasket is arranged above the fixed ring bulge, the cylinder cover is provided with a pressing plate, the end surface of the pressing plate is in sliding connection with the inner side wall of the fixed cylinder, and the pressing plate is arranged above the fixed ring bulge; the lower end of the pressure plate is provided with a pressure plate and a concave table, the pressure plate is connected with the concave table in a sliding manner, and the pressure plate is arranged above the edge of the gasket; the rotary rod penetrates through the cavity and is in sliding connection with the cylinder cover, a connecting rod is arranged between the rotary rod and the rotary pressing plate, a spring is arranged in the cavity, one end of the spring is connected with the rotary rod, and the other end of the spring is in rotating connection with the cavity wall of the cavity.

2. A fire fighting self-rescue respirator according to claim 1, characterized in that: the outside of neck cover is equipped with elasticity circle and connecting band absolutely, the both ends of connecting band with the neck cover meets, elasticity circle absolutely be equipped with connecting band assorted fixed orifices, the connecting band runs through the fixed orifices.

3. A fire fighting self-rescue respirator according to claim 2, characterized in that: one end of the elastic broken ring is provided with an inserting cylinder, and the other end of the elastic broken ring is in sliding connection with the inner cylinder wall of the inserting cylinder.

4. A fire fighting self-rescue respirator according to claim 3, characterized in that: the inserting barrel is provided with a limiting rod, and the limiting rod penetrates through the barrel opening side wall of the inserting barrel and is in sliding connection with the side wall of the inserting barrel.

5. A fire fighting self-rescue respirator according to claim 4, characterized in that: the lower extreme of gag lever post is equipped with the limiting plate, the inside wall of inserting a section of thick bamboo be equipped with the limiting plate assorted recess, the cell wall of recess with the edge sliding connection of limiting plate.

6. A fire fighting self-rescue respirator according to claim 1, characterized in that: the middle part of the gasket is in a downward convex shape.

7. A fire fighting self-rescue respirator according to claim 1, characterized in that: the convex inner ring wall of the fixing ring is provided with a supporting net matched with the gasket, and the gasket is arranged above the supporting net.

8. A fire fighting self-rescue respirator according to claim 1, characterized in that: the cross sections of the pressing plate and the rotary pressing plate are semicircular.

9. A fire fighting self-rescue respirator according to claim 1, characterized in that: the side wall of the rotating rod is provided with a fixed plate, the edge of the fixed plate is in sliding connection with the cavity wall of the cavity, the inner top surface of the cavity is provided with a rotating plate, the rotating rod penetrates through the rotating plate and is in sliding connection with the rotating plate, the rotating plate is in rotating connection with the cavity wall of the cavity, and two ends of the spring are respectively connected with the fixed plate and the rotating plate.

Technical Field

The invention belongs to the technical field of fire fighting equipment, and particularly relates to a fire fighting self-rescue respirator.

Background

The filtering self-saving respirator is one kind of self-sufficient open air respirator, and may be used widely in fire fighting, chemical industry, ship, petroleum, smelting, warehouse, laboratory, mine and other departments for the fire fighter or emergency rescue worker to extinguish fire, rescue and rescue in dense smoke, toxic gas, steam, oxygen deficiency and other environment.

Because everyone's vital capacity is different, single breathing dynamics is all inequality with respiratory, and the breather valve on the current fire control formula respirator of saving oneself can't realize the different degree that opens and shuts to the people of difference, avoids the external air to get into in the respirator from the breather valve. Therefore, there is a need for a fire fighting self-rescue respirator that solves the above problems.

Disclosure of Invention

The invention aims to provide a fire-fighting self-rescue respirator, which can realize the adjustment of the opening and closing degree of a breather valve on the fire-fighting self-rescue respirator and prevent outside air from entering the respirator from the breather valve.

The invention provides the following technical scheme:

a fire-fighting self-rescue respirator comprises a hood, a transparent window, a head fixing belt, a filter tip, a breather valve, a breather cover and a neck sleeve, wherein the breather valve consists of a fixed cylinder, a cylinder cover and a gasket, one end of the fixed cylinder is communicated with the breather cover, the other end of the fixed cylinder is connected with the cylinder cover, the gasket is arranged in the fixed cylinder, a fixed ring bulge is arranged on the inner side wall of the fixed cylinder, the edge of the gasket is arranged above the fixed ring bulge, a pressing plate is arranged on the cylinder cover, the end surface of the pressing plate is slidably connected with the inner side wall of the fixed cylinder, and the pressing plate is arranged above the fixed ring bulge; the lower end of the pressure plate is provided with a pressure plate and a concave table, the pressure plate is connected with the concave table in a sliding manner, and the pressure plate is arranged above the edge of the gasket; the rotary rod penetrates through the cavity and is in sliding connection with the cylinder cover, a connecting rod is arranged between the rotary rod and the rotary pressing plate, a spring is arranged in the cavity, one end of the spring is connected with the rotary rod, and the other end of the spring is in rotating connection with the cavity wall of the cavity.

Preferably, the outside of neck cover is equipped with elasticity circle and connecting band absolutely, the both ends of connecting band with the neck cover meets, elasticity circle absolutely be equipped with connecting band assorted fixed orifices, the connecting band runs through the fixed orifices.

Preferably, one end of the elastic broken ring is provided with an inserting cylinder, and the other end of the elastic broken ring is in sliding connection with the inner cylinder wall of the inserting cylinder.

Preferably, the inserting barrel is provided with a limiting rod, and the limiting rod penetrates through the barrel opening side wall of the inserting barrel and is in sliding connection with the side wall of the inserting barrel.

Preferably, the lower extreme of gag lever post is equipped with the limiting plate, the inside wall of inserting a section of thick bamboo be equipped with limiting plate assorted recess, the cell wall of recess with the edge sliding connection of limiting plate.

Preferably, the middle part of the gasket is convex downwards.

Preferably, the convex inner ring wall of the fixing ring is provided with a supporting net matched with the gasket, and the gasket is arranged above the supporting net.

Preferably, the cross sections of the pressing plate and the rotary pressing plate are semicircular.

Preferably, the side wall of the rotating rod is provided with a fixed plate, the edge of the fixed plate is in sliding connection with the cavity wall of the cavity, the inner top surface of the cavity is provided with a rotating plate, the rotating rod penetrates through the rotating plate and is in sliding connection with the rotating plate, the rotating plate is in rotating connection with the cavity wall of the cavity, and two ends of the spring are respectively connected with the fixed plate and the rotating plate.

The invention has the beneficial effects that:

the invention can adjust the pressing length of the edge of the gasket by rotating the rotating rod, thereby realizing the adjustment of different opening and closing degrees of the breather valve, facilitating the rapid closing of the gasket and avoiding the external air from entering the breather from the breather valve;

the elastic broken ring can play the roles of expanding, supporting and shrinking the neck sleeve, and is convenient for the wearing and sealing of the fire-fighting self-rescue respirator.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the construction of the breather valve of the present invention;

fig. 3 is a partially enlarged view of the present invention.

Description of reference numerals:

1. a head cover; 2. a transparent window; 3. fixing belts; 4. a filter tip; 5. a breather valve; 6. a respiratory mask; 7. a neck sleeve; 8. a fixed cylinder; 9. a cylinder cover; 10. a gasket; 11. a fixed protrusion; 12. pressing a plate; 13. a pressure plate is rotated; 14. a concave platform; 15. a grab bar; 16. a fixing plate; 17. a connecting rod; 18. a spring; 19. a cavity; 20. rotating the plate; 21. elastic ring breaking; 22. a connecting belt; 23. a fixing hole; 24. inserting a cylinder; 25. a limiting rod; 26. a limiting plate; 27. a groove; 28. and supporting the net.

Detailed Description

As shown in figures 1 to 3, the fire-fighting self-rescue respirator comprises a head cover 1, a transparent window 2, a head fixing belt 3 and a filter tip 4, breather valve 5, respiratory mask 6 and neck cover 7, breather valve 5 is by solid fixed cylinder 8, cover 9 and gasket 10 are constituteed, the one end of solid fixed cylinder 8 communicates with each other with breather mask 6, the other end and cover 9 threaded connection, gasket 10 is located in solid fixed cylinder 8, gu fixed cylinder 8's inside wall is equipped with solid fixed ring protruding 11, gu fixed ring protruding 11's top is located at gasket 10's edge, gasket 10's middle part is protruding down the form, gu be equipped with on fixed ring protruding 11's the inner ring wall with gasket 10 assorted supporting network 28, gasket 10 locates the top of supporting network 28, gu fixed ring protruding 11 and supporting network 28 have played the effect of support to gasket 10, the gasket 10 of protruding form is convenient for gasket 10 to laminate with solid fixed ring protruding 11 and supporting network 28 fast, avoid the external air to get into in the respirator from the breather valve.

A pressing plate 12 is arranged on the cylinder cover 9, the end face of the pressing plate 12 is in sliding connection with the inner side wall of the fixed cylinder 8, the pressing plate 12 is arranged above the fixed ring boss 11, a rotary pressing plate 13 and a concave table 14 are arranged at the lower end of the pressing plate 12, the rotary pressing plate 13 is in sliding connection with the concave table 14, the rotary pressing plate 13 is arranged above the edge of the gasket 10, the cross sections of the pressing plate 12 and the rotary pressing plate 13 are both semicircular, the pressing plate 12 plays a role of fixing the gasket 10, and the rotary pressing plate 13 can randomly adjust the position of the fixed gasket 10, so that the opening and closing degree of the gasket 10 is controlled;

be equipped with bull stick 15 and cavity 19 on the cover 9, bull stick 15 runs through cavity 19, with cover 9 sliding connection, be equipped with connecting rod 17 between bull stick 15 and the commentaries on classics clamp plate 13, be equipped with spring 18 in the cavity 19, the lateral wall of bull stick 15 is equipped with fixed plate 16, the edge of fixed plate 16 and the chamber wall sliding connection of cavity 19, the interior top surface of cavity 19 is equipped with rotor plate 20, bull stick 20 runs through rotor plate 15, with rotor plate 20 sliding connection, rotor plate 20 rotates with the chamber wall of cavity 19 to be connected, the both ends of spring 18 meet with fixed plate 16 and rotor plate 20 respectively, bull stick 15 and connecting rod 17 are convenient for drive rotor plate 13 and rotate, spring 18 is convenient for rotor plate 13 and gasket 10 laminating.

The outside of neck cover 21 is equipped with elasticity circle 21 and connecting band 22 absolutely, the both ends of connecting band 22 meet with neck cover 7, be equipped with on the elasticity circle 21 absolutely with connecting band 22 assorted fixed orifices 23, connecting band 22 runs through fixed orifices 23, the one end of elasticity circle 21 absolutely is equipped with a section of thick bamboo 24, the other end of elasticity circle 21 absolutely and the inner tube wall sliding connection of a section of thick bamboo 24 insert, be equipped with gag lever post 25 on the section of thick bamboo 24 insert, gag lever post 25 runs through the nozzle lateral wall of a section of thick bamboo 24, with the lateral wall sliding connection of a section of thick bamboo 24 insert, the lower extreme of gag lever post 25 is equipped with limiting plate 26, the inside wall of a section of thick bamboo 24 is equipped with the recess 27 with limiting plate 26 assorted, the cell wall of recess 27 and the marginal sliding connection of limiting plate 26, can play the effect that the expansion supported and shrink neck cover 7 through elasticity circle 21 absolutely, be convenient for wearing and sealed of fire control self-rescue formula respirator.

The working mode of the invention is as follows: pulling the elastic broken ring 21, sliding one end of the elastic broken ring 21 along the opening of the insertion cylinder 24 until the limiting rod 25 is inserted into the insertion cylinder 24, wearing the respirator, pulling the limiting rod 25 upwards, sliding one end of the elastic broken ring 21 into the bottom of the insertion cylinder 24 again, and playing a role in expanding, supporting and contracting the neck sleeve 7 through the elastic broken ring 21, thereby facilitating the wearing and sealing of the fire-fighting self-rescue respirator; the rotating rod 15 is pulled and rotated, and the position of the fixed gasket 10 can be adjusted by the rotating pressing plate 13, so that the opening and closing degree of the gasket 10 is controlled, the gasket 10 can be conveniently and rapidly attached to the fixed ring protrusion 11 and the supporting net 28, and outside air is prevented from entering the respirator from the breather valve.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.