TWI551229B - Suspension structure of fire pants - Google Patents

Description

Suspension structure of fire pants

The present invention relates to a sling structure of a fire-fighting pants which itself has a fireproof effect and which can improve elasticity and wear resistance and can reduce production costs.

With the development of modern economy and society, the rapid progress of urbanization, the fire has become more and more devastating to the social economy. At the same time, the firefighters who have been fighting the first line of fire fighting are also facing more and more complex. The fire environment, how to let firefighters resist the current complex and various disasters or accidents in the field of harmful substances and external forces on the firefighters' body damage, to ensure the safety and health of firefighters themselves, but also increasingly attract social attention.

The fire scene environment is harsh and complicated, and the fire, high temperature, and even the fire accompany the explosion, making the environment of the fire field more complicated and the difficulty of saving. In particular, fires caused by natural gas, gas, fireworks and firecrackers make firefighters face increasing threats to their own safety during rescue operations. In the case of a bad fire, all kinds of unexpected situations may threaten the safety of firefighters at any time.

1 is a perspective view of a sling structure of a conventional fire trousers. As shown, the conventional sling structure 1 has a cushion 10 having a fixing portion 101 formed with a side 1011. The fixing portion 101 is opposite to the side edge 1011 and extends outward to form a first An extension portion 102 and a second extension portion 103, the first and second extension portions 102, 103 are respectively connected to a first strap body 11 and a second strap body 12, and the side edges 1011 are connected to a third strap body. 13 and a fourth belt body 14, wherein the cushion 10 is made of non-woven fabric, and the non-woven fabric itself has limited elasticity, and is easily worn and deformed under long-term use, so that the firefighter can not achieve the comfort effect, and the durability is also Poor, and the non-woven fabric has a low ignition point, and it is easy to burn in a high temperature place, which is dangerous to the wearer's life. Furthermore, there is also a flame retardant applied to the non-woven fabric to prevent burning, but this not only increases the process and cost, but also the flame retardant decays with time and the number of washings, resulting in poor fireproofing effect.

Please refer to FIGS. 2A, 2B, and 2C for a perspective view, a cross-sectional view, and an enlarged cross-sectional view of another conventional fire trousers sling structure. As shown, the structure is the same as that of the conventional sling structure, but the prior art is known. The most important difference from the above is that the cushion 10 is made of a foamed material 15 (such as a high-density foam); although the cushion 10 made of foam is more comfortable than the cushion 10 composed of no woven fabric, it is foamed. The flame retardancy is poor, so the outer layer must be additionally coated with a fireproof cloth 16 to increase the fireproof performance, so that more processes are required, resulting in an increase in production cost.

As mentioned above, the conventional disadvantages are as follows: 1. The conventional cushion itself has poor elasticity and is easy to wear; 2. The conventional cushion has poor comfort; 3. The conventional cushion itself has no fireproof function; 4. The conventional soft Pad production costs are higher.

Therefore, how to solve the above problems and problems, that is, the invention of this case People and those involved in this industry are eager to study the direction of improvement.

Accordingly, in order to effectively solve the above problems, the main object of the present invention is to provide a sling structure of a fire-fighting pants which has a fireproofing effect and which improves elasticity and wear resistance.

A secondary object of the present invention is to provide a sling structure for a fire trouser with high comfort.

A secondary object of the present invention is to provide a sling structure for a fire-fighting trouser that can greatly reduce production costs.

In order to achieve the above object, the present invention provides a sling structure for a fire-fighting trousers, comprising a fireproof cushion composed of a mixture of polyacrylonitrile fibers and nylon fibers, the fireproof cushion having a fixing portion formed with one side, the fixing Conversely, the side edge extends outward to form a first extension portion and a second extension portion, and an opening is defined between the fixing portion and the first and second extension portions, wherein the first extension portion and the first extension portion The second extending portion is connected to a first strip body and a second strip body, and the side of the fixing portion is connected to a third strip body and a fourth strip body, the first strip body and the second strip body and the The third strap body and the fourth strap body are respectively provided with a first fastening component and a second fastening component, and a third fastening component and a fourth fastening component.

Through the design of the structure of the present invention, when the firefighter wants to use the sling structure, firstly, the opening of the fireproof cushion is first placed on the shoulder of the fireman, and the fixed part will be associated with the upper back of the fireman. The first and second extensions are respectively attached to the chest of the firefighter, and the first and second buckles are respectively provided with the first and second buckles respectively. The connector, and the third and fourth fastening members disposed on the third and fourth belt bodies respectively have a first fastener and a second fastener and a third buckle on the fire pants worn by the firefighter. The member and the fourth fastener are fixedly clamped. Since the material of the fireproof cushion is composed of a mixture of polyacrylonitrile fiber and nylon fiber, the heat resistance of the polyacrylonitrile fiber can withstand a high temperature of 240 ° C in a short time without Melted, has good fire performance, and is not easy to catch fire, and nylon fiber is the best abrasion resistance of all fibers, and the elastic recovery rate of nylon fiber is comparable to wool, excellent elasticity and light weight; When the firefighter wears the sling structure into the fire, because the temperature of the fire is extremely high and dangerous, the safety of the firefighters can greatly increase the safety of the firefighters through the characteristics of the fiber material of the fireproof cushion; in addition, the fireproof cushion itself It has a certain thickness, and it is not necessary to additionally insert a soft material such as a foamed material into the hollow portion of the inside of the fireproof cushion, so that the wearing comfort is better and the overall weight of the sling structure can be reduced.

Furthermore, compared with the conventional sling structure, the cushion of the conventional sling structure is made of foam or non-woven fabric. If the sling structure made of foam is used, the flame retardancy of the foam is poor. Therefore, the outer layer must be additionally coated with a fireproof fabric to increase the fireproof performance, but the production cost is increased due to the costly process; if the sling structure made of non-woven fabric is limited, the elasticity of the non-woven fabric itself is limited. It is easy to wear and deform and less durable. In contrast, the fireproof cushion itself has fireproof characteristics and can be directly combined with the first, second, third and fourth belt bodies, without additionally covering a fireproof fabric, which can greatly reduce the production cost. It also has a good elasticity effect.

[Prior technology]

1‧‧‧Sling structure

10‧‧‧ cushion

101‧‧‧Fixed Department

1011‧‧‧ side

102‧‧‧First Extension

103‧‧‧Second extension

11‧‧‧First belt

12‧‧‧Second belt

13‧‧‧ Third belt

14‧‧‧Fourth body

15‧‧‧Foam material

16‧‧‧Fireproof fabric

[this invention]

2‧‧‧Sling structure

20‧‧‧Fireproof cushion

201‧‧‧Fixed Department

2011‧‧‧ side

202‧‧‧First Extension

2021‧‧‧ first end

203‧‧‧Second extension

2031‧‧‧second end

204‧‧‧ openings

2041‧‧‧first inside

2042‧‧‧second inside

2043‧‧‧ third inside

205‧‧‧ Hollow

21‧‧‧First belt

22‧‧‧Second belt

23‧‧‧ Third belt

24‧‧‧Fourth body

25‧‧‧First fastening piece

26‧‧‧Second fasteners

27‧‧‧ Third fastening piece

28‧‧‧fourth fastening piece

29‧‧‧Adjustment

31‧‧‧First fastener

32‧‧‧Second fasteners

33‧‧‧ Third fastener

34‧‧‧Fourth fastener

1 is a perspective view of a sling structure of a conventional fire trousers; FIG. 2A is a perspective view of a sling structure of another conventional fire trousers; and FIG. 2B is a cross-sectional view of a sling structure of another conventional fire trousers; 2C is a cross-sectional enlarged view of a sling structure of another conventional fire trousers; FIG. 3 is a perspective view of a first embodiment of the sling structure of the fire trousers of the present invention; and FIG. 4 is a sling of the fire trousers of the present invention 1 is a cross-sectional view of a first embodiment of a sling structure of a fire trouser according to the present invention; and FIG. 6 is a first embodiment of a sling structure of a fire trouser according to the present invention. Fig. 7 is a schematic view showing the first embodiment of the sling structure of the fire trousers of the present invention; Fig. 8 is a perspective view showing the second embodiment of the sling structure of the fire trousers of the present invention.

The above object of the present invention, as well as its structural and functional features, will be described in accordance with the preferred embodiments of the drawings.

3, 4, and 5 are a perspective view, a cross-sectional view, and a cross-sectional enlarged view of a first embodiment of a sling structure for a fire trouser according to the present invention. As shown, a sling structure 2 for a fire trousers includes a The fireproof cushion 20 is composed of a mixture of polyacrylonitrile and nylon fibers, wherein the polyacrylonitrile fiber accounts for 70-90% by weight of the fireproof cushion 20, and the nylon fiber is used in the fireproof cushion 20 The percentage by weight of the polyacrylonitrile fiber in the fireproof cushion 20 is 80%, and the nylon fiber is used in the fireproof cushion. The optimum weight percentage of 20% is 20%, which can make the fireproof cushion 20 achieve the best effect, but it is not limited thereto. In actual implementation, the polyacrylonitrile and nylon fiber are mixed. The weight percentage can be adjusted according to the needs of the user.

The fireproof cushion 20 has a fixing portion 201 formed with a side edge 2011, and the inside of the fireproof cushion 20 has a hollow portion 205, and the fireproof cushion 20 is a knitted fabric; in the embodiment, the knitting The cloth is made of a circular double-sided cloth, and the polyacrylonitrile type is a modified polyacrylonitrile, but in practice, it is not limited thereto.

The first fixing portion 201 extends outwardly to form a first extending portion 202 and a second extending portion 203 , and an opening 204 is defined below the fixing portion 201 and the first and second extending portions 202 , Between the 203, the opening 204 has a first inner side 2041 and a second inner side 2042, and a third inner side 2043 is connected to the first and second inner sides 2041, 2042, respectively.

The first extending portion 202 has a first end 2021 connected to a first strip body 21, and the second extending portion 203 has a second end 2031 connected to a second strip 22, the first and second strips 21 The adjusting member 29 is respectively provided to adjust the growth or shortening of the first and second belt bodies 21 and 22, so that the wearer adjusts the most comfortable length of the first and second belt bodies 21 and 22 when wearing by the adjusting member 29.

The side edges 2011 of the fixing portion 201 are respectively connected to a third belt body 23 and a fourth belt body 24, and the first belt body 21, the second belt body 22, the third belt body 23 and the fourth belt body 24 has a first fastening component 25 and a second fastening component 26 , and a third fastening component 27 and a fourth fastening component 28 .

Please refer to FIG. 6 and FIG. 7 together, which is a schematic diagram of the implementation of the foregoing sling structure 2. As shown in the figure, through the design of the structure of the present invention, when the firefighter wants to use the sling structure 2, firstly, The opening 204 of the fireproof cushion 20 is set on the shoulder of the fireman The third inner side 2043 of the opening 204 is in contact with the rear neck of the firefighter, and the fixing portion 201 is attached to the upper back of the fireman, and the first and second extensions 202 and 203 are Separately disposed on the chest of the firefighter, and the first and second fastening members 25 and 26 respectively disposed on the first and second belt bodies 21 and 22, and the third and fourth belt bodies 23 and 24 are disposed. The third and fourth fastening members 27 and 28 respectively have a first fastener 31 and a second fastener 32 and a third fastener 33 and a fourth fastener on the fire pants worn by the firefighter. 34 is fastened. Since the material of the fireproof cushion 20 is composed of a mixture of polyacrylonitrile fiber and nylon fiber, the heat resistance of the polyacrylonitrile fiber can withstand a high temperature of 240 ° C in a short time without melting, and has good fireproof performance. It is not easy to catch fire, and nylon fiber is the best abrasion resistance of all fibers, and the elastic recovery rate of nylon fiber is comparable to wool, excellent elasticity and light weight; when firefighters wear the sling structure 2 In the fire, because the temperature of the fire is extremely high and dangerous, the fiber through the fireproof cushion 20 itself The quality of the fire can greatly increase the safety of firefighters during disaster relief; in addition, the fireproof cushion 20 of the present invention has a thickness of about 10 mm compared to the conventionally used cushion made of non-woven fabric or foam, which is a conventional cushion. Further, the present invention does not require the addition of a soft material such as a foamed material to the hollow portion 205 inside the fireproof cushion 20, thereby reducing the overall weight of the sling structure 2 and allowing the firefighter to wear it. The shoulder behind the sling structure 2 has a pressure resistance and a better cushioning effect, and is better in wearing comfort.

Furthermore, in the present invention, compared with the conventional sling structure, the cushion of the conventional sling structure is made of foam or non-woven fabric. If the sling structure 2 made of foam is used, the flame retardancy of the foam is used. Poor, so the outer layer must be additionally coated with a fireproof fabric to increase the fire performance, but it costs more to process, resulting in an increase in production costs; The sling structure made of non-woven fabric has limited elasticity due to the non-woven fabric itself, and is easy to wear and deform under long-term use and is less durable. In contrast, the fireproof cushion 20 itself has fireproof characteristics and can be directly combined with the first, second, third and fourth belt bodies 21, 22, 23, 24, without additionally covering a fireproof fabric. It can greatly reduce the production cost and also has the effect of good elasticity.

Continuing to refer to FIG. 8 and see FIGS. 6 and 7 together, which is a perspective view of a second embodiment of the sling structure of the fire trousers of the present invention, wherein the components of the sling structure of the fire trousers and the components are corresponding to each other. The relationship is the same as that of the sling of the fire trousers described above, and therefore will not be described herein again. However, the main difference between the sling structure of the fire trousers and the foregoing is that the side edge 2011 of the fixing portion 201 is only connected to the third belt. Body 23, when the firefighter wants to use the sling structure 2, the opening 204 of the fireproof cushion 20 is first sleeved on the shoulder neck of the firefighter, and the third inner side 2043 of the opening 204 is opposite to the fireman's back neck. The contact portion 201 is attached to the upper back of the firefighter, and the first and second extension portions 202 and 203 are respectively attached to the fireman's chest, and the first and second belts are respectively attached. The first and second fastening members 25 and 26 respectively provided in the bodies 21 and 22 and the third fastening member 27 disposed on the third belt body 23 respectively have the first and second parts on the fire-fighting pants worn by the firefighters. The three fasteners 31, 32, and 33 are fixedly clamped, and the characteristics of the fiber material of the fireproof cushion 20 are good. The fire performance, when the firefighter wears the sling structure 2 into the fire, because the temperature of the fire is extremely high and dangerous, the safety of the firefighter can greatly increase the safety of the firefighter through the characteristics of the fiber material of the fireproof cushion 20; In addition, the fireproof cushion 20 itself has the fireproof property, and it is not necessary to additionally cover a fireproof fabric, thereby greatly reducing the production cost.

As described above, the present invention has the following advantages as compared with the prior art: 1. The fireproof cushion composed of a mixture of polyacrylonitrile and nylon fibers has a fireproof effect, greatly increases safety; 2. greatly reduces production cost; 3. elastic force And wear resistance is better; 4. Greatly increase the comfort during use.

The present invention has been described in detail above, but the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention. That is, the equivalent changes and modifications made by the scope of the present application should remain within the scope of the patent of the present invention.

2‧‧‧Sling structure

20‧‧‧Fireproof cushion

201‧‧‧Fixed Department

2011‧‧‧ side

202‧‧‧First Extension

2021‧‧‧ first end

203‧‧‧Second extension

2031‧‧‧second end

204‧‧‧ openings

2041‧‧‧first inside

2042‧‧‧second inside

2043‧‧‧ third inside

21‧‧‧First belt

22‧‧‧Second belt

23‧‧‧ Third belt

24‧‧‧Fourth body

25‧‧‧First fastening piece

26‧‧‧Second fasteners

27‧‧‧ Third fastening piece

28‧‧‧fourth fastening piece

29‧‧‧Adjustment

Claims (8)

The sling structure of the fire trousers comprises: a fireproof cushion, which is a knitted fabric integrally formed by mixing polyacrylonitrile fiber and nylon fiber, and the fireproof cushion has a fixing portion formed with one side, and the fixing portion is opposite The inner side of the fireproof cushion has a hollow portion; the inner side of the fireproof cushion is defined by a side portion extending outwardly to form a first extending portion and a second extending portion; and an opening is defined between the fixing portion and the first and second extending portions; The first extending portion and the second extending portion are respectively connected to a first strip body and a second strip body, and a side of the fixing portion is connected to a third strip body. The sling structure of the fire trousers of the first aspect of the invention, wherein the first belt body and the second belt body and the third belt body are respectively provided with a first fastening component and a second fastening component. A third fastening piece. The sling structure of the fire-fighting trousers of claim 2, wherein the side of the fixing portion is connected to a fourth belt body and has a fourth fastening member. The sling structure of the fire-fighting trousers of claim 2, wherein the first belt body and the second belt body are respectively provided with an adjusting member. The sling structure of the fire-fighting trousers of claim 1, wherein the first extension has a first end connected to the first belt, and the second extension has a second end connected to the second belt . The sling structure of the fire trousers of claim 1, wherein the polyacrylonitrile fiber is a modacrylic fiber. The sling structure of the fire-fighting trousers of claim 1, wherein the polyacrylonitrile fiber accounts for 70-90% by weight of the fireproof cushion, and the nylon fiber is used in the fireproof cushion. The weight percentage is 10~30 %. The sling structure of the fire trousers of claim 1, wherein the polyacrylonitrile fiber accounts for 80% of the weight percentage of the fireproof cushion, and the nylon fiber is used in the fireproof cushion. The optimal weight percentage is 20%.