JP6846465B2 - Fire hose - Google Patents

Description

The present invention relates to a fire hose, and more particularly to a fire hose having an improved guiding function for firefighters.

In a fire hose, in order to improve the visibility of the hose and add a guiding function to firefighters, vertical colored lines having reflection characteristics and phosphorescent characteristics are provided along the longitudinal direction of the hose (for example). , Patent Document 1). However, in the case of such a fire hose, there is a concern that it is not possible to instantly determine which direction to proceed in the longitudinal direction of the hose, and it is not possible to fully exert the guidance function for firefighters. ..

Japanese Unexamined Patent Publication No. 2009-150522

An object of the present invention is to provide a fire hose having an improved guiding function for firefighters in view of the above points.

A fire hose that achieves the object of the present invention is a hose body including a hose body and a pair of male joints and female joints attached to both ends of the hose body. A plurality of direction indicators are arranged on the outer peripheral surface of the hose at intervals along the longitudinal direction of the hose, the orientation indicators have a shape that does not indicate the directionality with respect to the longitudinal direction of the hose, and the hose is completed when the hose is completed. It has a state of being fixed to the hose body, and each of the direction indicators is composed of a first display unit and a second display unit adjacent to each other in the longitudinal direction of the hose, and the first display unit has a first color. The second display unit has a second color.

In the present invention, in the fire hose, a plurality of directional indicators are fixed to the outer peripheral surface of the hose body at intervals along the longitudinal direction of the hose, and each of the directional indicators is adjacent to the first indicator in the longitudinal direction of the hose. And the second display unit, the first display unit has the first color, and the second display unit has the second color. Therefore, for example, the first display unit of the first display unit has a first color. By informing firefighters that the color indicates the water source side and the second color of the second display indicates the fire source side, directionality is given in the longitudinal direction of the hose based on the color of the direction indicator. can do. As a result, when a firefighter visually recognizes the direction indicator at the fire site, the direction of the return path (direction on the water source side) can be determined instantly and surely, so that the guidance function for the firefighter can be improved. Is.

In the fire hose of the present invention, it is preferable that the first color is a cold color and the second color is a warm color. As a result, the difference in color becomes clear in the direction display body, and the color can be easily discriminated, so that the guidance function for the firefighters can be effectively improved. For example, when the first display unit having a cold color is arranged on the water source side and the second display unit having a warm color is arranged on the fire source side, the discriminating action is remarkable.

In each of the direction indicators, the first indicator may be arranged on the side of the female joint, and the second indicator may be arranged on the side of the male joint. As a result, the guidance function for firefighters can be effectively improved. Normally, a fire hose has a fire source on the male joint side and a water source on the female joint side. Therefore, for example, the first display portion having blue color is arranged on the water source side (female joint side) and the second display portion has red color. By making it possible to intuitively recognize the water source side and the fire source side by color, such as when the display unit is arranged on the fire source side (male joint side), the guidance function of the direction display body is remarkably exhibited.

The directional indicator preferably has reflectivity, more preferably retroreflective. When a directional indicator having reflective or retroreflective property is provided, the visibility of the hose can be improved.

It is preferable that the length A in the hose longitudinal direction of the direction indicator and the length B in the hose circumferential direction of the direction indicator satisfy the relationship of 0.2 ≦ A / B ≦ 5.0. Thereby, the visibility of the direction display body can be improved.

It is preferable that the length B in the hose circumferential direction of the direction indicator and the hose peripheral length C satisfy the relationship of 0.05 ≦ B / C ≦ 0.50. Thereby, the visibility of the direction display body can be improved.

It is preferable that the length A of the direction display body in the longitudinal direction of the hose and the mutual distance D of the direction display body satisfy the relationship of 0.02 ≦ A / D ≦ 1.00. Thereby, the visibility of the direction display body can be improved.

It is preferable that 5 to 40 direction indicators are arranged between the male joint and the female joint. Thereby, the visibility of the direction display body can be improved.

It is a top view which shows an example of the fire hose which comprises embodiment of this invention. It is a top view which shows the part of the fire hose of FIG. 1 enlarged. (A) to (d) are plan views which show the modification of the direction display body.

Hereinafter, the configuration of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 shows a fire hose according to an embodiment of the present invention. In the fire hose 1 of the present embodiment of FIG. 1, the intermediate portion in the longitudinal direction of the hose body 2 is omitted.

The hose body 2 is composed of a tubular woven fabric woven into a continuous tubular shape by warp threads arranged in the longitudinal direction of the hose and weft threads arranged spirally around the central axis in the longitudinal direction of the hose. Further, a coating layer made of rubber or synthetic resin is formed on the inner surface of the hose body 2.

As shown in FIG. 1, in the fire hose 1, plug-in type connecting metal fittings 3 are attached to both ends of the hose body 2. The connecting metal fitting 3 is composed of a pair of metal male joints 4 and female joints 5. By inserting the male joint 4 of one fire hose into the female joint 5 of the other fire hose, the male joint 4 and the female joint 5 are fitted, and one fire hose and the other fire hose are brought together. Can be connected. By repeating such a connecting operation, a plurality of fire-fighting hoses can be used as one continuous hose.

In the fire hose, a plurality of direction indicators 10 are arranged on the outer peripheral surface of the hose body 2 at intervals along the longitudinal direction of the hose. The direction display body 10 is composed of a first display unit 11 and a second display unit 12 adjacent to each other in the longitudinal direction of the hose. The first display unit 11 has a first color, and the second display unit 12 has a second color. The first color and the second color are not particularly limited, but different colors such as red, orange, yellow, blue, green, and purple can be used. Further, the direction indicator 10 may be formed, for example, by applying a paint or pigment to the outer peripheral surface of the hose body 2 after weaving the hose, or by attaching a colored tape, or a dyed colored thread. It may be formed by weaving as a warp. That is, the direction display body 10 can be formed as a separate body or integrally with the hose body 2.

In order to improve the visibility of the direction display bodies 10, the direction display bodies 10 arranged along the longitudinal direction of the hose may be provided in a plurality of rows in the hose circumferential direction. Further, the rows provided on the hose circumference may be arranged at equal intervals in the hose circumference direction.

In the fire hose 1 described above, a plurality of direction indicators 10 are arranged on the outer peripheral surface of the hose body 2 at intervals along the longitudinal direction of the hose, and each of the direction indicators 10 is adjacent to each other in the longitudinal direction of the hose. It is composed of a display unit 11 and a second display unit 12, the first display unit 11 has a first color, and the second display unit 12 has a second color. By informing the firefighters that the first color of the display unit 11 indicates the water source side and the second color of the second display unit 12 indicates the fire source side, it is based on the color of the direction display body 10. It is possible to give directionality in the longitudinal direction of the hose. As a result, when the firefighter visually recognizes the direction indicator 10 at the fire site, the direction of the return path (direction on the water source side) can be determined instantly and surely, so that the guidance function for the firefighter can be improved. It is possible.

In the fire hose, it is preferable that the first color of the first display unit 11 is a cold color and the second color of the second display unit 12 is a warm color. Here, as the cold color, blue, bluish purple, blue-green and the like can be exemplified, and as the warm color, red, orange, yellow and the like can be exemplified. Further, it is more preferable that the first color is blue (cold color) and the second color is red (warm color). By selecting the color of the direction display body 10 in this way, the difference in color becomes clear in the direction display body 10, and the color can be easily discriminated, so that the guidance function for the firefighters can be effectively improved. .. In particular, by arranging the first display unit 11 having a cold color on the water source side and the second display unit 12 having a warm color on the fire source side, the discriminating action is remarkable.

Further, in each of the direction display bodies 10, the first display unit 11 may be arranged on the side of the female joint 5, and the second display unit 12 may be arranged on the side of the male joint 4. By arranging the first display unit 11 and the second display unit 12 in this way, the guidance function for firefighters can be effectively improved. Normally, a fire hose has a fire source on the male joint side and a water source on the female joint side. Therefore, in particular, the first display portion 11 having a blue color (cold color) is arranged on the water source side (female joint side) and is red. By arranging the second display unit 12 having (warm color) on the fire source side (male joint side), the water source side and the fire source side can be intuitively recognized by the color, and the guidance function of the direction display body 10 can be recognized. Is noticeably exhibited.

Further, the direction display body 10 preferably has a reflectivity. For example, a tape containing a reflective material may be attached to the outer peripheral surface of the hose body 2, a reflective paint may be directly applied, or a warp with a reflective material kneaded or a warp with a reflective paint applied to the thread surface may be woven. Therefore, it is possible to form the direction display body 10 having reflectivity. In particular, it is more preferable that the directional indicator 10 has retroreflective properties. Specifically, the direction indicator 10 may be made of a retroreflective material, or may be made of a warp having retroreflective properties. As the retroreflective material, for example, glass beads can be used. By attaching a tape containing a retroreflective material to the outer peripheral surface of the hose body 2, directly applying the retroreflective material mixed with a resin or an adhesive, or by weaving a warp having retroreflective property, etc. A directional indicator 10 having retroreflective properties can be formed. Since the direction display body 10 has reflexivity or retroreflectiveness in this way, the visibility of the hose can be improved. Even when the direction display body 10 has reflexivity or retroreflective property, the coloring means of the direction display body 10 is not particularly limited, and the material constituting the direction display body 10 may be colored, or the material constituting the direction display body 10 may be colored. The dyed colored yarn may be woven as a warp.

FIG. 2 is an enlarged view of a part of the fire hose, and shows various dimensions of the direction indicator 10. The length A of the direction display body 10 in the hose longitudinal direction and the length B of the direction display body 10 in the hose circumferential direction preferably satisfy the relationship of 0.2 ≦ A / B ≦ 5.0, and 1.0. It is more preferable to satisfy the relationship of ≦ A / B ≦ 4.0. Further, the length a1 of the first display unit 11 in the hose longitudinal direction or the length a2 of the second display unit 12 in the hose longitudinal direction and the length B of the direction display body 10 in the hose circumferential direction are 0.1 ≦. It is preferable to satisfy the relationship of a1 / B ≦ 2.5 and 0.1 ≦ a2 / B ≦ 2.5. At that time, the length B may be set in the range of 10 mm to 60 mm. By appropriately setting the ratio of the length A or the lengths a1 and a2 to the length B in this way, the visibility of the direction display body 10 can be improved. In the illustrated example, a space is provided between the first display unit 11 and the second display unit 12, but the present invention is not limited to this, and the space may not be provided.

The length B in the hose circumferential direction of the direction display body 10 and the hose peripheral length C preferably satisfy the relationship of 0.05 ≦ B / C ≦ 0.50, and 0.10 ≦ B / C ≦ 0.20. It is more preferable to satisfy the relationship of. In the illustrated example, the length of the first display unit 11 in the hose circumferential direction and the length of the second display unit 12 in the hose circumferential direction are the same, but if it is within the above-mentioned B / C range, the first display unit The lengths of 11 and the second display unit 12 in the hose circumferential direction may be different. By appropriately setting the ratio of the length B to the hose peripheral length C in this way, the visibility of the direction display body 10 can be improved. The hose peripheral length C is the length of the entire circumference measured on the outer peripheral surface of the hose body 2.

The length A of the direction display body 10 in the longitudinal direction of the hose and the mutual distance D of the direction display body 10 preferably satisfy the relationship of 0.02 ≦ A / D ≦ 1.00, and 0.20 ≦ A / D. It is more preferable to satisfy the relationship of ≦ 0.80. By appropriately setting the ratio of the length A to the mutual spacing D in this way, the visibility of the direction display body 10 can be improved.

It is preferable that 5 to 40 direction indicators 10 are arranged between the male joint 4 and the female joint 5. Generally, the distance between the male joint and the female joint of the fire hose is about 20 m, but the visibility of the direction display body 10 can be improved by appropriately arranging the direction display body 10 in the section. it can. The number of arrangements is the total number of rows of the direction indicators 10 arranged along the longitudinal direction of the hose.

In the above-described embodiment, an example in which the direction display body 10 is composed of a pair of quadrangles is shown, but the present invention is not limited to this, and may be formed by other figures such as polygons and circles, and the first display The shapes of the unit 11 and the second display unit 12 may be different. For example, the directional display body 10 shown in FIG. 3A is made up of triangles of the same size, and the directional display body 10 shown in FIG. 3B is made up of triangles of different sizes. In these direction display bodies 10, each of the first display unit 11 and the second display unit 12 displays the directionality with respect to the longitudinal direction of the hose. Further, the first display unit 11 shown in FIG. 3 (c) has a longer length in the hose longitudinal direction than the second display unit 12, and the direction display body 10 shown in FIG. 3 (d) has two elements 11a and 11b. It has a first display unit 11 including the first display unit 11 and a second display unit 12 including one element 12a. These direction indicators 10 display the directionality with respect to the hose longitudinal direction by gradually changing the length in the hose longitudinal direction. In each of the above examples, the directionality can be displayed based on not only the color of the direction display body 10 but also the shape, which is preferable. In FIGS. 3A to 3D, the left side of the figure is the water source side (female joint side), and the right side of the figure is the fire source side (male joint side).

1 Fire hose 2 Hose body 3 Connecting bracket 4 Male bracket 5 Female bracket 10 Direction display 11 1st display 12 2nd display

Claims (9)

In a fire hose provided with a hose body and a connecting metal fitting consisting of a pair of male joints and female joints attached to both ends of the hose body.
A plurality of direction indicators are arranged on the outer peripheral surface of the hose body at intervals along the longitudinal direction of the hose, and the orientation indicators have a shape that does not indicate the directionality with respect to the longitudinal direction of the hose, and the hose. When completed, it has a state of being fixed to the hose body, and each of the direction indicators is composed of a first display unit and a second display unit adjacent to each other in the longitudinal direction of the hose, and the first display unit is the first. A fire hose having the color of, and the second display portion having the second color. The fire hose according to claim 1, wherein the first color is a cold color and the second color is a warm color. The firefighting according to claim 2, wherein the first display portion is arranged on the side of the female joint and the second display portion is arranged on the side of the male joint in each of the direction indicators. For hose. The fire hose according to any one of claims 1 to 3, wherein the direction indicator has a reflective property. The fire hose according to claim 4, wherein the direction indicator has retroreflective properties. Claim 1 is characterized in that the length A of the direction display body in the hose longitudinal direction and the length B of the direction display body in the hose circumferential direction satisfy the relationship of 0.2 ≦ A / B ≦ 5.0. The fire hose according to any one of ~ 5. The invention according to any one of claims 1 to 6, wherein the length B in the hose circumferential direction of the direction display body and the hose peripheral length C satisfy the relationship of 0.05 ≦ B / C ≦ 0.50. Fire hose. Any of claims 1 to 7, wherein the length A of the direction display body in the hose longitudinal direction and the mutual distance D of the direction display body satisfy the relationship of 0.02 ≦ A / D ≦ 1.00. Fire hose described in the direction. The fire hose according to any one of claims 1 to 8, wherein 5 to 40 direction indicators are arranged between the male joint and the female joint.

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