Filtering type fire-fighting self-rescue respirator

Abstract

The utility model discloses a filtering type fire-fighting self-rescue respirator, which relates to the technical field of fire-fighting equipment and comprises a protective mask, a support is fixed below the outer surface of the protective mask, buckles are fixed on two sides of the support, a propping plate is fixed on the outer surface of the support, and the outer surface of the protective mask is connected with a mounting plate through a corrugated pipe. Through the arrangement of the support, the abutting plate, the buckle and the corrugated pipe, when the filter tank needs to be replaced, the filter tank is directly taken out of the buckle, then the filter tank is pulled to enable the corrugated pipe to be stretched, at the moment, the filter tank is moved to the position in front of the window so that a user can check the filter tank conveniently, and then the filter tank can be replaced; the phenomenon that the filter tank is difficult to correspond to the mounting plate due to poor visual field and the mounting time is relatively long is avoided, so that the situation that a user inhales smoke or suffocated for a long time due to the relatively long mounting time is avoided, the filter tank is buckled into the buckle after being replaced, and meanwhile, the corrugated pipe is shrunk; therefore, the installation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting equipment technical field, concretely is a filter formula fire fighting self rescue breathing apparatus. BACKGROUND

[0002] Filter formula fire fighting self rescue breathing apparatus is a kind of harmful gas such as carbon monoxide, smoke etc. by filter device adsorption, absorption, catalysis and direct filtration etc. Remove, breathing apparatus for personnel to escape when fire, compared with traditional breathing apparatus, it is convenient to use and does not need to carry oxygen tank, it is convenient to place in the room for self rescue.

[0003] The filter tank inside filter formula fire fighting self rescue breathing apparatus is easy to adsorb full and block after being used for a period of time, so that the breathing apparatus is difficult to continue to use, when filter tank needs to be replaced, since the mask is only provided with a rectangular window, and the filter tank is usually arranged downward, so when installing new filter tank, the field of vision is poor, and it is difficult to install the filter tank and the breathing port correspondingly, so that the installation time is increased, and personnel is easy to inhale smoke when installing new filter tank. SUMMARY

[0004] Therefore, the utility model discloses a filter formula fire fighting self rescue breathing apparatus to solve the technical problem mentioned in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a filter formula fire fighting self rescue breathing apparatus, including protective mask, the protective mask outer surface below is fixed with support, and the support both sides are all fixed with buckle, the support outer surface is fixed with the resistance plate, and the protective mask outer surface is connected with mounting plate through the bellows.

[0006] When filter tank needs to be replaced, the filter tank is directly taken out from the buckle, then the filter tank is pulled to stretch the bellows, at this time, the filter tank is moved to the front of the window for the user to view, then the filter tank can be replaced, so that the phenomenon that the filter tank is difficult to correspond with the mounting plate due to poor field of vision, resulting in long installation time, is avoided, so that the user inhales smoke or long-term breath holding due to long installation time is avoided, after replacing the filter tank, the filter tank is buckled into the buckle, the bellows is contracted, and the filter tank is buckled by the buckle and abuts against the lower surface of the filter tank outer surface through the resistance plate, so that the filter tank is avoided from shaking.

[0007] Further, the buckle is provided with two, and the two buckles are mirror image.

[0008] By adopting the above technical scheme, after replacing the filter tank, the user buckles the filter tank into the buckle, the filter tank is limited by the two buckles, so that the filter tank is avoided from shaking and falling off.

[0009] Further, the buckle is made of POM material and has a circular arc shape.

[0010] By using the above technical scheme, the POM material has good elasticity, so that the filter tank can be clamped by the elasticity of the buckle to avoid falling and shaking.

[0011] Further, a window is installed on the outer surface of the protective mask, and elastic bands are connected to both sides of the protective mask.

[0012] By using the above technical scheme, when a fire occurs, the user can wear the protective mask on the face, and at the same time, the elastic bands hold the user's head, thereby limiting the protective mask. At this time, the user can check the surrounding environment through the window, and when the user breathes, the filter core and filter screen inside the filter tank can effectively prevent smoke and dust from entering, so as to ensure that the user can breathe.

[0013] Further, the filter tank is detachably connected with the buckle, and the filter tank abuts against the abutting plate.

[0014] By using the above technical scheme, when the filter tank needs to be replaced, the user can directly take out the filter tank from the buckle, and after replacing the filter tank, the user can buckle the filter tank into the buckle. The buckle clamps the filter tank and cooperates with the abutting plate to abut against the lower surface of the filter tank, thereby avoiding shaking of the filter tank.

[0015] Further, the window is made of transparent engineering plastic.

[0016] By using the above technical scheme, when a fire occurs, the user can wear the protective mask on the face, and at the same time, the elastic bands hold the user's head, thereby limiting the protective mask. At this time, the user can check the surrounding environment through the window, and when the user breathes, the filter core and filter screen inside the filter tank can effectively prevent smoke and dust from entering, so as to ensure that the user can breathe.

[0017] Further, magnetic blocks and sealing rings are arranged on both sides of the outer surface of the mounting plate and both sides of the back of the filter tank.

[0018] By using the above technical scheme, when the filter tank needs to be detached, the magnetic attraction structure can directly pull the filter tank off the mounting plate. When installing a new filter tank, the mounting plate is inserted into the filter tank, and the magnetic blocks limit the mounting plate and the filter tank together, and the sealing ring prevents air leakage, thereby completing the installation operation.

[0019] Further, the filter tank is detachably connected with the mounting plate.

[0020] By using the above technical scheme, when installing a new filter tank, the user only needs to insert the mounting plate into the filter tank, and the magnetic blocks limit the mounting plate and the filter tank together.

[0021] Further, the magnetic blocks are arranged in a ring array, and the magnetic blocks are divided into two groups.

[0022] By using the above technical scheme, since the magnetic attraction structure is used, the user can directly pull the filter tank from the mounting plate, and when installing a new filter tank, the mounting plate and the filter tank are limited together by the magnetic blocks.

[0023] To sum up, the utility model mainly has the following beneficial effects:

[0024] 1. The utility model discloses a filter tank structure of protective mask, which comprises a protective mask, a filter tank, a filter screen, a filter core, a support, a stop plate, a buckle and a bellows.

[0025] 2. The utility model discloses a filter tank structure of protective mask, which comprises a protective mask, a filter tank, a filter screen, a filter core, a support, a stop plate, a buckle and a bellows. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic view of the utility model;

[0027] Figure 2 It is a structural schematic view of the bellows of the utility model;

[0028] Figure 3 It is a side sectional structural schematic view of the filter tank of the utility model;

[0029] Figure 4 It is an explosive structural schematic view of the filter tank of the utility model.

[0030] In the drawing: 1, protective mask;2, elastic band;3, window;4, filter tank;5, filter screen;6, filter core;7, support;8, stop plate;9, buckle;10, bellows;11, mounting plate;12, magnetic block;13, sealing ring. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0032] The following describes an embodiment of the present invention based on its overall structure.

[0033] Example 1:

[0034] A filter type fire fighting self-rescue breathing apparatus, such as Figures 1-4 As shown, it includes a protective mask 1, a bracket 7 is fixed at the lower part of the outer surface of the protective mask 1, and buckles 9 are fixed on both sides of the bracket 7. There are two buckles 9, and the two buckles 9 are mirror-set. The buckle 9 is made of POM material and is in an arc shape. The filter tank 4 is detachably connected to the buckle 9. A back plate 8 is fixed to the outer surface of the bracket 7, and the filter tank 4 is in contact with the back plate 8. The filter tank 4 is buckled by the buckle 9 and the matching back plate 8 is pressed against the lower part of the outer surface of the filter tank 4 to prevent the filter tank 4 from shaking; the outer surface of the protective mask 1 is connected to the mounting plate 11 through the bellows 10. The user pulls the filter tank 4 to stretch the bellows 10. At this time, the filter tank 4 is moved in front of the window 3 for the user to view. The user can then replace the filter tank 4 to avoid the phenomenon that the filter tank 4 is difficult to correspond to the mounting plate 11 due to poor vision, resulting in a long installation time.

[0035] See Figures 1-4 In the above embodiment, a window 3 is installed above the outer surface of the protective mask 1. The window 3 is made of transparent engineering plastic, and the surrounding environment can be viewed through the window 3; elastic bands 2 are connected to both sides of the protective mask 1, and the elastic bands 2 are used to hold the head of the user, thereby limiting the protective mask 1; the outer surface of the mounting plate 11 is connected to the filter tank 4, and the filter tank 4 is respectively provided with a filter screen 5 and a filter element 6. When the user breathes, the filter element 6 and the filter screen 5 inside the filter tank 4 effectively prevent smoke and dust from entering, so as to ensure that the user can breathe.

[0036] Example 2:

[0037] On the basis of the above embodiment 1, in order to facilitate the rapid replacement of the filter tank 4, the following settings are now adopted.

[0038] See Figure 3 and Figure 4In the above embodiment, the magnetic blocks 12 are arranged on both sides of the outer surface of the mounting plate 11 and the back of the filter tank 4, and the sealing ring 13 is arranged on both sides of the back of the filter tank 4, the magnetic blocks 12 are arranged in a plurality of annular arrays, and the plurality of magnetic blocks 12 are divided into two groups, the filter tank 4 is detachably connected with the mounting plate 11, and the filter tank 4 can be directly pulled off from the mounting plate 11 due to the magnetic attraction structure, and when a new filter tank 4 is installed, the user only needs to insert the mounting plate 11 into the filter tank 4, and the mounting plate 11 and the filter tank 4 are limited together through the magnetic blocks 12, and the sealing ring 13 avoids air leakage, so that the installation operation is completed.

[0039] The implementation principle of the utility model is: first, when a fire occurs, the user wears the protective mask 1 on the face, and at the same time holds the user's head through the elastic band 2, thereby limiting the protective mask 1, at this time, the user can check the surrounding environment through the window 3, when the user breathes, the filter element 6 and the filter screen 5 in the filter tank 4 effectively avoid the smoke and dust from entering, so as to ensure that the user can breathe;

[0040] When the filter tank 4 needs to be replaced, the user directly takes out the filter tank 4 from the buckle 9, then the user pulls the filter tank 4 to stretch the bellows 10, at this time, the filter tank 4 is moved to the front of the window 3 for the user to check, then the user can replace the filter tank 4, avoid the phenomenon that the poor vision leads to the long time of installation due to the difficulty of the filter tank 4 corresponding to the mounting plate 11, thereby avoiding the long time of installation leading to the user inhaling smoke or long-term holding breath;

[0041] Due to the magnetic attraction structure, the user can directly pull the filter tank 4 off from the mounting plate 11, when a new filter tank 4 is installed, the user only needs to insert the mounting plate 11 into the filter tank 4, and the mounting plate 11 and the filter tank 4 are limited together through the magnetic blocks 12, and the sealing ring 13 avoids air leakage, so that the installation operation is completed;

[0042] After replacing the filter tank 4, the user buckles the filter tank 4 into the buckle 9, and the bellows 10 is contracted, and the filter tank 4 is buckled and matched with the cooperation of the stop plate 8 to resist the lower surface of the filter tank 4, thereby avoiding the shaking of the filter tank 4.

[0043] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A filtering self-rescue breathing apparatus for firemen, comprising a protective mask (1), characterized in that: The protective mask (1) is provided with a support (7) fixed below the outer surface, and buckles (9) are fixed on both sides of the support (7), the outer surface of the support (7) is fixed with a resisting plate (8), and the outer surface of the protective mask (1) is connected with a mounting plate (11) through a corrugated pipe (10).

2. The filtering, self-contained breathing apparatus according to claim 1, wherein: The two buckles (9) are mirror arranged.

3. The filtering, self-contained breathing apparatus according to claim 2, wherein: The buckle (9) is made of POM material and is in an arc shape.

4. The filtering, self-contained breathing apparatus according to claim 1, wherein: The protective mask (1) is provided with a window (3) installed on the upper surface, and elastic bands (2) are connected on both sides of the protective mask (1), the outer surface of the mounting plate (11) is connected with a filter tank (4), and the filter tank (4) is provided with a filter screen (5) and a filter core (6) respectively.

5. The filtering, self-contained breathing apparatus according to claim 4, wherein: The filter tank (4) is detachably connected with the buckle (9), and the filter tank (4) abuts against the resisting plate (8).

6. The filtering, self-contained breathing apparatus according to claim 4, wherein: The window (3) is made of transparent engineering plastic.

7. The filtering, self-contained breathing apparatus according to claim 1, wherein: The outer surface of the mounting plate (11) and the back of the filter tank (4) are provided with magnetic blocks (12) and sealing rings (13).

8. The filtering, self-contained breathing apparatus according to claim 7, wherein: The filter tank (4) is detachably connected with the mounting plate (11).

9. The filtering, self-contained breathing apparatus according to claim 7, wherein: The magnetic blocks (12) are arranged in multiple, and the multiple magnetic blocks (12) are arranged in an annular array, and the multiple magnetic blocks (12) are divided into two groups.

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