Protective appliance for fire fighting

Abstract

The utility model discloses a protective appliance for fire fighting, relates to the field of firefighter equipment, and aims to solve the problem that in the prior art, a rotatable glass mask is usually arranged on a fire fighting helmet to prevent the eyes of firefighters from being affected by smoke dust due to the fact that the smoke dust in the air is large when a fire disaster occurs. However, smoke dust in the air is easy to contaminate the outer layer of the glass mask during a fire, so that the sight of the firefighter is influenced. An interlayer is arranged on the inner end face of the fire-fighting helmet, a net bag layer is arranged on the inner side of the interlayer, glass masks are connected into the interlayer on the two sides of the fire-fighting helmet, rotating fixing seats are fixedly connected to the middles of the two sides of the fire-fighting helmet, and fixing columns are fixedly connected to the middles of the outer sides of the rotating fixing seats. Connecting grooves are formed in the fixing columns, the two fixing columns are jointly connected with an arc-shaped scraping strip, an attaching part is arranged at the front end of the arc-shaped scraping strip, a rotary knob is connected to one side of each fixing column, and a connecting rod is fixedly connected to the middle of one side of each rotary knob.

Description

Technical Field

[0001] The utility model relates to the field of firefighter equipment, in particular to a protective appliance for fire fighting and extinguishing. Background Art

[0002] Fire helmets are equipment to protect firefighters' heads. When a fire occurs, there is a lot of smoke and dust in the air. To prevent the smoke and dust from affecting the firefighters' eyes, a rotatable glass mask is usually set on the fire helmet. However, during a fire, the smoke and dust in the air can easily stain the outer layer of the glass mask, which will affect the firefighters' vision. Therefore, the market urgently needs to develop a fire-fighting protective device to help people solve the existing problem. Utility Model Content

[0003] The purpose of the utility model is to provide a protective device for fire fighting, so as to solve the problem raised in the above-mentioned background technology that when a fire occurs, there is a lot of smoke and dust in the air. To prevent the smoke and dust from affecting the eyes of firefighters, a rotatable glass mask is usually provided on the fire helmet. However, when a fire occurs, the smoke and dust in the air are easily contaminated on the outer layer of the glass mask, which will affect the sight of the firefighters.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protective device for firefighting and extinguishing, including a fire helmet, a partition is arranged on the inner end surface of the fire helmet, a net bag layer is arranged on the inner side of the partition, glass masks are connected to the partitions on both sides of the fire helmet, the middle and rear ends of both sides of the glass mask are fixedly connected to a rotating shaft, the middle of both sides of the fire helmet are fixedly connected to a rotating fixed seat, the middle of the outer side of the rotating fixed seat is fixedly connected to a fixing column, a limiting ring is fixedly connected to one side of the middle of the fixing column, a connecting groove is arranged inside the fixing column, an arc scraper strip is commonly connected to the two fixing columns, circular holes are arranged on the rear ends of both sides of the arc scraper strip, a fitting portion is arranged at the front end of the arc scraper strip, a knob is connected to one side of the fixing column, and a connecting rod is fixedly connected to the middle of one side of the knob.

[0005] Preferably, the outer ends of the rotating shafts on both sides of the glass mask pass through the end faces on both sides of the fire helmet and are respectively inserted into the middle parts of the inner sides of the two rotating fixed seats.

[0006] Preferably, the two fixing posts pass through two circular holes on the arc-shaped scraper strip respectively.

[0007] Preferably, the inner side of the fitting portion at the front end of the arc-shaped scraper strip fits with the front end surface of the glass cover.

[0008] Preferably, an internal thread is provided on the inner end surface of the connecting groove of the fixing column.

[0009] Preferably, an external thread is provided on the outer end surface of the connecting rod.

[0010] Preferably, the connecting rod is inserted into the connecting groove, and the connecting rod is fixed to the fixing column by means of external thread and internal thread.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In the utility model, through the arrangement of the arc scraper strip, the middle parts of both sides of the fire helmet are fixedly connected with a rotating fixed seat, the middle parts of the outer sides of the rotating fixed seat are fixedly connected with a fixed column, a connecting groove is arranged inside the fixed column, and the two fixed columns are commonly connected with the arc scraper strip, and circular holes are arranged at the rear ends of both sides of the arc scraper strip, and the two fixed columns respectively pass through the two circular holes on the arc scraper strip, so that the arc scraper strip can be rotated through the fixed column as a rotating shaft, and a fitting part is arranged at the front end of the arc scraper strip, and the inner side of the fitting part at the front end of the arc scraper strip is fitted with the front end surface of the glass mask, and when the arc scraper strip is rotated through the fixed column, the inner side of the fitting part slides along the outer side of the glass mask, and the fitting part scrapes off the smoke and dust on the outer layer of the glass mask when sliding to prevent the firefighter's sight from being blocked.

[0013] In the utility model, through the setting of a connecting rod, a connecting rod is fixedly connected to the middle part of one side of the knob, the connecting rod is inserted into the connecting groove, and the connecting rod and the fixed column are fixed by external and internal threads. The inner side of the rear end of the arc scraper strip is limited by a limiting ring, and the outer side of the rear end of the arc scraper strip is limited by a knob to prevent the rear end of the arc scraper strip from escaping from the fixed column. When the arc scraper strip is damaged, the connecting rod is screwed out of the connecting groove by turning the knob, and the two ends of the arc scraper strip can be slid out of the fixed column, which is convenient for the maintenance and replacement of the arc scraper strip.

[0014] In the utility model, a partition is provided on the inner end surface of the fire helmet through the setting of the partition, and the outer ends of the rotating shafts on both sides of the glass mask pass through the end surfaces on both sides of the fire helmet and are respectively inserted into the middle parts of the inner sides of the two rotating fixed seats. The glass mask can be rotated by the rotating shaft so that the glass mask can be extended from the partition. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view of a fire protection device for fire fighting of the utility model;

[0016] Figure 2 It is a side view of the utility model;

[0017] Figure 3 It is the main sectional view of the utility model;

[0018] Figure 4 It is an enlarged view of the detail A of the present utility model.

[0019] In the figure: 1. fire helmet; 101. partition; 102. net bag layer; 2. glass mask; 201. rotating shaft; 3. rotating fixed seat; 301. fixing column; 302. limiting ring; 303. connecting groove; 304. internal thread; 4. arc scraper; 401. circular hole; 402. fitting part; 5. knob; 501. connecting rod; 502. external thread. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figure 1-4 The utility model provides an embodiment of a fire-fighting protective device, comprising a fire helmet 1, a partition 101 is arranged on the inner end surface of the fire helmet 1, a net bag layer 102 is arranged on the inner side of the partition 101, glass masks 2 are connected to the partitions 101 on both sides of the fire helmet 1, and the middle and rear ends of both sides of the glass mask 2 are fixedly connected with rotating shafts 201, the middle of both sides of the fire helmet 1 are fixedly connected with rotating fixed seats 3, and the middle of the outer side of the rotating fixed seat 3 is fixedly connected with a fixing column 301, a limiting ring 302 is fixedly connected to one side of the middle of the fixing column 301, a connecting groove 303 is arranged inside the fixing column 301, and an arc scraper 4 is commonly connected to the two fixing columns 301, and circular holes 401 are arranged on the rear ends of both sides of the arc scraper 4, and a fitting portion 402 is arranged on the front end of the arc scraper 4, a knob 5 is connected to one side of the fixing column 301, and a connecting rod 501 is fixedly connected to the middle of one side of the knob 5.

[0022] Furthermore, the outer ends of the rotating shafts 201 on both sides of the glass mask 2 pass through the end faces on both sides of the fire helmet 1 and are respectively inserted into the middle of the inner sides of the two rotating fixed seats 3. The glass mask 2 can be rotated by the rotating shafts 201 so that the glass mask 2 can extend from the partition 101.

[0023] Furthermore, the two fixing posts 301 pass through the two circular holes 401 on the arc-shaped scraper strip 4 respectively, so that the arc-shaped scraper strip 4 can rotate by using the fixing posts 301 as a rotating axis.

[0024] Furthermore, the inner side of the fitting portion 402 at the front end of the arc-shaped scraper strip 4 fits with the front end surface of the glass mask 2. When the arc-shaped scraper strip 4 is rotated through the fixing column 301, the inner side of the fitting portion 402 slides along the outer side of the glass mask 2. The fitting portion 402 scrapes off the smoke and dust on the outer layer of the glass mask 2 while sliding to prevent the firefighters' sight from being blocked.

[0025] Furthermore, an internal thread 304 is provided on the inner end surface of the connection groove 303 of the fixing column 301 .

[0026] Furthermore, an external thread 502 is provided on the outer end surface of the connecting rod 501 .

[0027] Furthermore, the connecting rod 501 is inserted into the connecting groove 303, and the connecting rod 501 and the fixed column 301 are threadedly connected and fixed by the external thread 502 and the internal thread 304. The inner side of the rear end of the arc scraper 4 is limited by the limiting ring 302, and the outer side of the rear end of the arc scraper 4 is limited by the knob 5 to prevent the rear end of the arc scraper 4 from escaping from the fixed column 301. When the arc scraper 4 is damaged, the connecting rod 501 is unscrewed out of the connecting groove 303 by the knob 5, and the two ends of the arc scraper 4 can be slid out of the fixed column 301, which is convenient for the maintenance and replacement of the arc scraper 4.

[0028] Working principle: When in use, a partition 101 is arranged on the inner end surface of the fire helmet 1, and a net bag layer 102 is arranged inside the partition 101. Glass masks 2 are connected to the partitions 101 on both sides of the fire helmet 1. The middle and rear ends of both sides of the glass masks 2 are fixedly connected to rotating shafts 201. The middle of both sides of the fire helmet 1 are fixedly connected to rotating fixed seats 3. The outer ends of the rotating shafts 201 on both sides of the glass masks 2 pass through the end surfaces on both sides of the fire helmet 1 and are respectively inserted into the middle of the inner sides of the two rotating fixed seats 3. The glass masks 2 can be rotated by the rotating shafts 201. 1 is rotated so that the glass mask 2 can extend from the partition 101, the middle part of the outer side of the rotating fixed seat 3 is fixedly connected with a fixing column 301, one side of the middle part of the fixing column 301 is fixedly connected with a limiting ring 302, a connecting groove 303 is arranged inside the fixing column 301, and the two fixing columns 301 are commonly connected with an arc scraper 4, and the rear ends of the two sides of the arc scraper 4 are arranged with circular holes 401, and the two fixing columns 301 respectively pass through the two circular holes 401 on the arc scraper 4, so that the arc scraper 4 can pass through the fixing columns 301. The rotating shaft rotates, and a fitting portion 402 is provided at the front end of the arc scraping strip 4. The inner side of the fitting portion 402 at the front end of the arc scraping strip 4 fits with the front end surface of the glass mask 2. When the arc scraping strip 4 rotates through the fixed column 301, the inner side of the fitting portion 402 slides along the outer side of the glass mask 2. When the fitting portion 402 slides, the smoke and dust on the outer layer of the glass mask 2 is scraped off to prevent the firefighters from blocking their sight. A knob 5 is connected to one side of the fixed column 301, and a connecting rod 501 is fixedly connected to the middle part of one side of the knob 5. The connecting rod 501 is inserted into the fixing column 301. The connecting rod 501 is inserted into the connecting groove 303, and the connecting rod 501 and the fixed column 301 are threadedly connected and fixed by the external thread 502 and the internal thread 304. The inner side of the rear end of the arc scraper 4 is limited by the limit ring 302, and the outer side of the rear end of the arc scraper 4 is limited by the knob 5 to prevent the rear end of the arc scraper 4 from escaping from the fixed column 301. When the arc scraper 4 is damaged, the connecting rod 501 is screwed out of the connecting groove 303 by the knob 5, and the two ends of the arc scraper 4 can be slid out of the fixed column 301, which is convenient for the maintenance and replacement of the arc scraper 4.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A fire-fighting protective device, comprising a fire helmet (1), characterized in that: The fire helmet (1) is provided with a partition layer (101) on the inner end surface, and a net bag layer (102) is provided on the inner side of the partition layer (101). Glass masks (2) are connected to the partition layers (101) on both sides of the fire helmet (1). The rear ends of the middle parts of both sides of the glass mask (2) are fixedly connected to a rotating shaft (201). The middle parts of both sides of the fire helmet (1) are fixedly connected to a rotating fixing seat (3). The middle parts of the outer sides of the rotating fixing seat (3) are fixedly connected to a fixing column (301). A limiting ring (302) is fixedly connected to one side of the middle part of the column (301), a connecting groove (303) is provided inside the fixed column (301), an arc-shaped scraper (4) is commonly connected to the two fixed columns (301), circular holes (401) are provided at the rear ends of both sides of the arc-shaped scraper (4), a fitting portion (402) is provided at the front end of the arc-shaped scraper (4), a knob (5) is connected to one side of the fixed column (301), and a connecting rod (501) is fixedly connected to the middle part of one side of the knob (5).

2. A fire protection device according to claim 1, characterized in that: The outer ends of the rotating shafts (201) on both sides of the glass mask (2) pass through the end surfaces on both sides of the fire helmet (1) and are respectively inserted into the middle parts of the inner sides of the two rotating fixing seats (3).

3. A fire protection device according to claim 1, characterized in that: The two fixing columns (301) respectively pass through the two circular holes (401) on the arc-shaped scraper strip (4).

4. The fire protection equipment according to claim 1, characterized in that: The inner side of the fitting portion (402) at the front end of the arc-shaped scraper strip (4) fits with the front end surface of the glass cover (2).

5. The fire protection equipment according to claim 1, characterized in that: An internal thread (304) is provided on the inner end surface of the connection groove (303) of the fixing column (301).

6. A fire protection device according to claim 1, characterized in that: An external thread (502) is provided on the outer end surface of the connecting rod (501).

7. The fire protection equipment according to claim 1, characterized in that: The connecting rod (501) is inserted into the connecting groove (303), and the connecting rod (501) and the fixing column (301) are threadedly connected and fixed via an external thread (502) and an internal thread (304).

Images