JP2014195646A - Fire extinguisher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fire extinguisher capable of surely spraying a fire-extinguishing agent to the origin of a fire to perform initial fire extinction even if the origin of the fire is in distant position, and securing versatility of a connection member to reduce the manufacturing cost.SOLUTION: A fire extinguisher includes: a fire extinguisher body 2 filled with a fire-extinguishing agent 4 inside; a tubular hose 6 having a tip on which an existing nozzle 61 for spraying the fire-extinguishing agent 4 is attached, and being connected to the fire extinguisher body 2; and a long extension pipe 7 connected through the extension adapter 100 fitted to the existing nozzle 61. The extension adapter 100 includes: on its one end, a first tubular part 110 where an inner diameter corresponding to an outer diameter of the tip of the extension pipe 7 is formed; and on its another end, a second tubular part 120 which communicates with the first tubular part 110 and where space parts 121-123 engaging with the existing nozzle 61 are formed.

Description

  The present invention relates to a fire extinguishing tool that can be extinguished by spraying a fire extinguisher on a fire source.

  Conventional fire-fighting machinery and equipment has been used in a wide variety of industries, from industrial to household use. A stationary container that can fill a container that can withstand high pressure with a fire extinguisher and spray the fire extinguisher outside using pressure. Type fire extinguishing tools are common. When using such a fire extinguishing tool, the user grasps a hose that communicates with the inside of the container, sprays a fire extinguisher with the nozzle attached to the tip of the hose facing the fire, and performs a fire fighting procedure. Do.

  However, since the hose of this general stationary fire extinguishing tool is short, it does not reach high places, and in order to reach the fire source with extinguishing agent, the user must approach the fire source, especially fire power If the power is strong, there is also a problem that it is dangerous for the user.

  In order to solve such a problem, for example, there is a fire extinguisher disclosed in Patent Document 1. The fire extinguisher disclosed in Patent Document 1 is such that an extension pipe is connected to a hose so that the hose portion is long and fire extinguishing work can be performed even from a position away from the fire source.

Utility Model Registration No. 3155990

  However, in the fire extinguisher according to Patent Document 1 described above, the extension pipe is attached to the flexible hose, but the fire extinguishing tool currently manufactured or sold has a nozzle already fixed to the tip of the hose. There are many. Therefore, when connecting an extension pipe to such a fire extinguishing tool, it is desired to be able to connect extension pipes corresponding to various nozzle portions.

  By the way, fire-fighting machinery / equipment, etc., must be type-approved by the national certified product, Article 21-2 of the Fire Service Act, and cannot be processed at all. Furthermore, the size of the diameter of the hose part of fire extinguishing equipment is determined by the country, but the size and shape standards for the nozzle part of the fire extinguisher are not defined, and each manufacturer has a different size. A nozzle having a sheath shape is manufactured. Therefore, in order to connect the extension pipe to the existing nozzle, a connecting member corresponding to the shape and size of each nozzle must be manufactured, and there is a problem that the versatility is lacking.

  The present invention has been made in view of the above-described problems of the related art, and even when the fire source is at a distant position, the fire extinguishing agent is surely sprayed on the fire source to perform initial fire extinguishing. It aims at providing the fire extinguishing tool which can ensure versatility of a connection member while being able to do.

  In order to solve the above problems, the present invention provides a fire extinguisher main body filled with a fire extinguishing agent, a tubular hose connected to the fire extinguisher main body, and a nozzle attached to the tip of the fire extinguishing agent, and a nozzle. A long extension pipe connected via an extension adapter to be fitted, and the extension adapter has a first tubular portion formed at one end with an inner diameter that matches the outer diameter of the extension pipe tip, The other end has a second tubular portion communicating with the first tubular portion and having a space portion with which the nozzle is engaged.

  According to the present invention, since the nozzle and the extension pipe are connected by the extension adapter, even when the fire source is at a distant position, the user can bring the extension pipe close to the fire source without approaching the fire source. The initial fire can be extinguished by reliably spraying a fire extinguishing agent on the fire source. In particular, fire-fighting machinery / equipment, etc. must be a national certified product as defined in Article 21-2 of the Fire Service Act and approved by the Minister of Internal Affairs and Communications, but the present invention has a space for storing the nozzle. Therefore, it can be used by simply attaching and detaching the extension adapter from the nozzle of the main body without adding any processing to the existing fire extinguishing tool.

  In the above invention, a plurality of space portions are formed with different inner diameters, and the second tubular portion is arranged such that the plurality of space portions have a smaller inner diameter dimension from the outside toward the inside, and a step portion is provided between the space portions. Preferably formed. In this case, since the space portion is formed with a plurality of space portions having different inner diameters, and step portions are formed between the space portions, the nozzle is pressed so as to contact the step portion. Since the nozzle can be appropriately fitted to the second tubular portion, a nozzle having a different size or shape for each manufacturer can be fitted to the second tubular portion, and the extension adapter as a connecting member can be fitted. Versatility can be ensured.

  In the above invention, it is preferable that a cover member having a through hole having a size matching the outer diameter of the hose is detachably provided in the opening of the second tubular portion. In this case, with the hose inserted through the through-hole, the opening portion of the second tubular portion is covered with the cover member, so that the extinguishing agent leaking into the extension adapter flows backward and is emitted to the user side. Can be prevented.

  In the above invention, the step further includes a step portion that is attached near the nozzle on the outer periphery of the hose and has an outer diameter larger than the outer diameter of the hose, and the second tubular portion closes the opening portion that communicates with the space portion and the opening portion. It is preferable to include a lid body to be fitted and a fitting portion which is disposed on the other end side in the space portion and has an insertion hole having an inner diameter smaller than the outer diameter of the stepped portion.

  In this case, the hose has a step portion that is attached near the nozzle on the outer periphery of the hose and has an outer diameter larger than the outer diameter of the hose, and the second tubular portion is disposed on the other end side in the space portion. Since the fitting portion has an insertion hole having an inner diameter smaller than the outer diameter of the step portion, when the nozzle is disposed in the space portion, the step portion contacts the peripheral portion of the insertion hole of the fitting portion. Therefore, the nozzle can be prevented from falling off from the extension adapter.

  At this time, since the second tubular portion includes an open portion communicating with the space portion and a lid body that closes the open portion, when the open portion is opened by the lid body, the second tubular portion enters the space portion through the open portion. While the nozzle can be easily mounted, the opening can be closed using the lid, so that the space can be sealed, and the sprayed product from the nozzle can be effectively moved to the extension pipe without leaking outside. Can be passed.

  In the above invention, the fitting portion is preferably formed so that the inner diameter portion is opened, and the inner diameter portion is also opened and closed by opening and closing the lid. In this case, since the fitting portion is configured to open and close the inner diameter portion by opening and closing the lid body, if the lid body is opened, the hose can be easily disposed on the inner diameter portion, and the lid body Since the nozzle can be fitted at the fitting portion only by closing, the attaching / detaching operation from the extension adapter can be simplified.

  As described above, according to the present invention, even when the fire source is at a distant position, the fire extinguisher can be surely sprayed to the fire source and the initial fire can be extinguished. Sex can be secured.

It is a conceptual diagram which shows the whole structure of the fire extinguishing tool which concerns on 1st Embodiment. It is a perspective view which shows the extension adapter which concerns on 1st Embodiment. (A) is sectional drawing which shows the extension adapter which concerns on 1st Embodiment, The same figure (b) is sectional drawing which shows the extension pipe which concerns on 1st Embodiment. (A)-(c) is explanatory drawing which shows the connection aspect of each space part which concerns on 1st Embodiment, and the existing nozzle. (A) is a perspective view which shows the extension adapter and cover member which concern on 1st Embodiment, The same figure (b) is explanatory drawing which showed the backflow prevention at the time of attaching a cover member to an extension adapter. . It is a perspective view which shows typically the filter part arrange | positioned at the extension adapter which concerns on 1st Embodiment. It is explanatory drawing which shows the use condition of the fire extinguishing tool which concerns on 1st Embodiment. It is a perspective view which shows the extension adapter which concerns on 2nd Embodiment. (A) And (b) is a side view explaining the relationship between the open part which concerns on 2nd Embodiment, and a space part. (A) is a perspective view which shows a part of latching part which concerns on 2nd Embodiment, The same figure (b) is a perspective view which shows a part of 2nd tubular part which concerns on 2nd Embodiment. . It is a top view which shows the fitting state with the 2nd tubular part and latching | locking part in 2nd Embodiment, and the existing nozzle of a fire extinguishing tool.

  Exemplary embodiments of a fire extinguishing tool and a fire extinguishing method using the same will be described in detail below with reference to the accompanying drawings.

[First Embodiment]
(Overall configuration of fire extinguishing equipment)
Drawing 1 is a key map showing the whole fire extinguishing tool 1 composition concerning a 1st embodiment. As shown in FIG. 1, a fire extinguisher 1 according to the present embodiment includes a fire extinguisher body 2 filled with a fire extinguisher 4 (for example, a powder fire extinguisher), and an operation disposed above the fire extinguisher body 2. A unit 3, a siphon tube 5 for guiding the extinguishing agent 4 filled in the fire extinguisher body 2 to the operation unit 3, and a hose 6 connected to the siphon tube 5 so as to be circulated by operating the operation unit 3. Is provided.

  The fire extinguisher main body 2 in the present embodiment has a bottomed cylindrical shape formed of metal, resin, or the like, and is formed with a male screw portion formed in an opening located at an upper portion thereof. The fire extinguisher main body 2 and the operation unit 3 are fixed by screwing 3 and the air tightness in the fire extinguisher main body 2 is maintained. In addition, the fixing means of the fire extinguisher main body 2 and the operation part 3 is not restricted to screwing, A well-known joining means can be applied.

  The operation unit 3 includes a lid 31, a fixing lever 32, an activation lever 33, a raising / lowering rod 34, and a safety stopper 35. In the present embodiment, when the safety stopper 35 is engaged with the raising and lowering bar 34, the activation lever 33 is fixed in a non-rotatable state with respect to the fixing lever 32. In addition, when the safety plug 35 is released from the engaged state with the raising / lowering rod 34, the activation lever 33 becomes rotatable with respect to the fixed lever 32. Further, a hose 6 is attached to the operation unit 3, and when the fire extinguishing agent in the fire extinguisher main body 2 is released, the operation unit 3 is discharged through the hose 6.

  In addition, such a fire extinguisher is loaded with a small gas cylinder inside, and when using the fire extinguisher, a gas cylinder (not shown) sealing plate is opened and pressurized so that the extinguishing agent inside is extinguished. It may be a pressure type that discharges from 2 to the hose 6. Moreover, the pressure accumulation type which accumulates pressure gas (not shown) in the inside of the fire extinguisher main body 2, pressurizes a fire extinguishing chemical | medical agent with this pressure accumulation gas in use, and discharge | releases it from the fire extinguisher main body 2 to the hose 6 may be used.

  The hose 6 is a tube formed of a flexible member, and a fire extinguishing agent is circulated through the inside of the hose 6 to be sprayed outside. An existing nozzle 61 for spraying the extinguishing agent 4 to the outside is formed at the tip of the hose 6. In the present embodiment, the existing nozzle 61 has a different size or shape depending on the manufacturer and is fixed to the hose 6.

  In the present embodiment, the existing nozzle 61 portion and the extension adapter 10 are fitted and connected, and the long extension pipe 7 is connected via the extension adapter 100. The extension pipe 7 is a tubular member formed of, for example, a metal member such as aluminum or a synthetic resin such as hard vinyl chloride, and has a length of about 2 m in this embodiment. A detachable extension nozzle 8 is provided at the tip of the extension pipe 7.

  The extension nozzle 8 is a member for spraying a fire extinguisher, and is formed of a metal member or a synthetic resin having fire resistance. Moreover, the opening part of the extension nozzle 8 is provided with a plug member that covers the opening part, thereby preventing clogging due to corrosion due to moisture or intrusion of foreign matter. In addition, the shape and magnitude | size of the extension nozzle 8 can be variously selected according to the kind of fire extinguishing agent, such as the shape formed in the taper shape toward the front-end | tip part, for example.

(Configuration of extension adapter 100)
Next, the extension adapter 100 of this embodiment will be described in detail. FIG. 2 is a perspective view showing the extension adapter according to this embodiment, FIG. 3A is a cross-sectional view showing the extension adapter according to this embodiment, and FIG. It is sectional drawing which shows the extension pipe which concerns. FIGS. 4A to 4C are explanatory views showing a connection mode between each space portion and the existing nozzle according to the present embodiment.

  In this embodiment, the extension adapter 100 is used in connection with the hose 7 connected to the fire extinguishing body 2 for the purpose of initial fire extinguishing due to an earthquake disaster or outdoor arson, such as synthetic resin. It is formed in a tubular shape with a flexible member. As shown in FIG. 2, the extension adapter 100 is formed at one end of the tube and is formed at the first tubular portion 110 that fits the extension pipe 7 and the other end of the tube, and the existing nozzle 61 is engaged with the extension adapter 100. The first tubular portion 110 and the second tubular portion 120 are in communication with each other.

  And the 1st tubular part 110 is a member connected with the extension pipe 7, and as shown to Fig.3 (a), the internal diameter of the magnitude | size which matches the outer diameter d1 of the extension pipe 7 front-end | tip at one end of the extension adapter 100 is shown. d1 'is provided. On the other hand, the second tubular part 120 has a plurality of space parts 121 to 123 formed with different inner diameters. In the present embodiment, the second tubular portion 120 is arranged such that the plurality of space portions 121 to 123 have a smaller inner diameter dimension from the outside toward the inside.

  As shown in FIG. 3A, the space 121 has an inner diameter d2 with which the existing nozzle 61 having the smallest size can be engaged. The space 123 is formed as shown in FIG. The inner diameter d4 with which the existing nozzle 61c of the maximum size can be engaged is provided. The intermediate space 122 has an inner diameter d4 that can be engaged with an existing nozzle 61b having an intermediate size.

  Further, step portions 121a to 123a are formed between the space portions 121 to 123, and when the existing nozzles 61a to 61c are inserted, as shown in FIGS. 4 (a) to (c), the existing nozzle 61a. The nozzle surfaces of ˜61c are brought into contact with any one of the respective step portions 121a to 123a so that the existing nozzles 61 are fitted.

  The extension pipe 7 is fitted to the first tubular part 110 and the existing nozzle 61 is fitted to the second tubular part 120, whereby the existing nozzle 61 or the extension pipe 7 is extended by the elasticity of the extension adapter 100. The adapter 100 is attached so that it cannot be detached.

  In the present embodiment, it is assumed that the length d5 of the space 123 provided on the end side of the second tubular portion is set longer than the existing nozzle 61c having the maximum size. As a result, when the existing nozzle 61c is fitted, the entire nozzle can be disposed inside the extension adapter 100, so that the existing nozzle 61c can be made difficult to remove.

  Further, as shown in FIG. 5A, the extension adapter 100 is provided with a cover member 130 detachably at the opening portion 125 of the second tubular portion 120. A through hole 131 having a size matching the outer diameter of the hose is formed in the opening of the second tubular portion. In this case, as shown in FIG. 5 (b), the cover member 130 covers the opening of the second tubular portion 120 with the hose 6 inserted through the through hole 131, so that the extension adapter 100 has an inside. It can prevent that the leaked fire extinguisher flows backward and is radiated to the user side.

  Further, for example, a fixing member for fixing the fitting between the second tubular portion 120 and the existing nozzle 61 or the first tubular portion 110 and the extension pipe 7 may be detachably provided on the outer periphery of the extension adapter 100. . As this fixing member, for example, a binding band or the like that is wound around and fixed to the extension adapter 100 may be used, or a clamping member that sandwiches and fixes the outer periphery of the extension adapter 100 may be used. By using such a fixing member, the existing nozzle 61 and the extension pipe 6 and the extension adapter 100 can be more firmly fitted, so the pressure between the nozzle and the extension pipe can be increased by the pressure when the extinguishing agent is radiated. It is possible to prevent the connected state from being released.

  In the present embodiment, as shown in FIG. 6, a filter member 9 having a size matching the inner diameter of the first tubular portion 110 or the second tubular portion 120 is provided inside the extension adapter 100. Also good. In FIG. 6, a state in which the filter member is disposed between the first tubular portion 110 and the second tubular portion 120 is shown in a simplified manner.

(Action / Effect)
According to this embodiment, in this embodiment, since the extension adapter 100 can be used to connect the long extension pipe 7 to the hose 6, the fire source is at a distant position. However, it is possible to extinguish the initial fire by surely spraying a fire extinguishing agent on the fire source without the user approaching the vicinity of the fire source.

  In addition, as shown in FIG. 7, even when the fire source is at a high place such as the second floor of the building, the extinguishing agent is sprayed on the fire source by using the extension pipe 7 upward. be able to. Specifically, as shown in FIG. 5, the extension pipe 7 was tilted by about 45 degrees with respect to the ground, and it was tested whether fire extinguishing was possible with respect to a fire source having a predetermined height from the ground surface. In this case, no pressure drop was observed and all the fire extinguishing agent was released. Thus, according to the present embodiment, even when the fire source is at a distant position, the initial fire can be extinguished by reliably spraying the fire extinguisher on the fire source.

  In addition, fire fighting machinery and equipment, etc., must normally be a state-certified product prescribed in Article 21-2 of the Fire Service Act and approved by the Minister of Internal Affairs and Communications. In this embodiment, the extension adapter 100 is used. Thus, existing extinguishing tools (fire extinguisher main body 2, hose 6, and existing nozzle 61, etc.) can be used by simply attaching / detaching extension adapter 100 to / from existing nozzle 61 of the main body without any processing. . At this time, since the second tubular portion 120 has the space portions 121 to 123 formed with different inner diameters, the space portions 121 to 123 are formed according to the sizes of the existing nozzles 61a to 61c that are different for each manufacturer. Since the existing nozzles 61 can be fitted to each other, the versatility of the extension adapter 100 can be ensured, and the manufacturing cost can be reduced.

  Furthermore, since the step portions 121a to 123a are formed between the space portions 121 to 123, the existing nozzles 61 are reliably connected by abutting each existing nozzle 61 against any one of the step portions 121a to 123a. be able to. Further, in the present embodiment, since the filter member 9 having a size matching the inner diameter of any one of the extension adapters is provided inside the extension adapter 100, foreign matter can enter the extension adapter 100 from the outside. Intrusion can be prevented.

[Second Embodiment]
Next, a second embodiment of the present invention will be described. FIG. 8 is a perspective view showing the extension adapter according to the second embodiment, and FIGS. 9A and 9B are side views for explaining the relationship between the open portion and the space portion according to the second embodiment. is there. Moreover, Fig.10 (a) is a perspective view which shows a part of latching part which concerns on 2nd Embodiment, and the same figure (b) shows a part of 2nd tubular part which concerns on 2nd Embodiment. It is a perspective view.

  First, the existing nozzle 61 of the fire extinguishing tool 1 will be described. In the present embodiment, the existing nozzle 61 of the fire extinguishing tool 1 is fixed to the hose 6 via a caulking portion 62 formed of a metal member. Specifically, the existing nozzle 61 is inserted into the inner periphery of the tip of the hose 6, and the existing nozzle 61 is fastened to the hose by covering the tip outer periphery of the hose 6 with the crimping portion 62 and joining. Since such a crimping part 62 covers and crimps the crimping part 62 on the outer periphery of the hose 6, the outer diameter of the crimping part 62 is larger than the outer diameter of the hose 6. A step is formed between the crimping portion 62 and the hose 6.

  On the other hand, the extension adapter 100a is a member that connects the existing nozzle 61 and the extension pipe 7 by fitting the existing nozzle 61 and the extension pipe 7, respectively, and includes a first tubular portion 111 and a second tubular portion 120a. ing. The first tubular portion 111 is a hollow cylindrical member that houses a part of the extension pipe 7, and is disposed inside the outer tubular portion 112 and the tubular outer tubular portion 112 disposed on the outer periphery. It is composed of a tubular inner tubular portion 113.

  The outer tubular portion 112 is made of a metal member having fire resistance, and is formed over a certain section in the longitudinal direction from the end portion on the extension pipe 7 side. The outer tubular portion 112 has an inner diameter that matches the outer diameter of the inner tubular portion 113. When the inner tubular portion 113 is disposed inside the outer tubular portion 112, the outer peripheral surface of the inner tubular portion 113. And the inner peripheral surface of the outer tubular portion 112 are in contact with each other to hold the inner tubular portion 113 inside the outer tubular portion 112.

  The inner tubular portion 113 is a tubular member that fits into the extension pipe 7 and is formed of a flexible member such as a synthetic resin. The inner tubular portion 113 has a through hole 113a having an inner diameter having a size that matches the outer diameter of the tip of the extension pipe 7, and when the extension pipe 7 is inserted from the outside, The extension pipe 7 is held in the inner tubular portion 113 by its elasticity by contact with the inner peripheral surface of the inner tubular portion 113.

  On the other hand, the 2nd tubular part 120a is a member which accommodates the existing nozzle 61 of the hose 6 inside, and is comprised from the base part 124a and the cover body 124b which made | formed the semicylindrical shape in this embodiment. In the present embodiment, the base portion 124 a extends in the longitudinal direction with the first tubular portion 111 and is integrally formed with the outer tubular portion 112. The base portion 124a and the lid body 124b are connected to each other through a connecting portion 150 so that the base portion 124a and the lid body 124b are closed so that the opening portions of the base portion 124a and the lid body 124b face each other. Is formed, and the existing nozzle 61 is accommodated in the space portion 171.

  In the present embodiment, the connecting portion 150 is a hinge, and a cylindrical portion 151 formed by bending a plurality of tongue pieces protruding at predetermined intervals on one side edge of the base portion 124a and the lid body 124b. And a connecting shaft 152 inserted through each cylindrical portion 151. The connecting portion 150 allows the lid 124b to swing relative to the base portion 124a around the connecting portion 150.

  With such a configuration, as shown in FIG. 9A, an opening 172 communicating with the space 171 is formed by swinging and opening the lid 124b around the connecting portion 150 with respect to the base 124a. As shown in FIG. 9B, the space portion 171 is covered with the base portion 124a and the lid body 124b by swinging and closing the lid body 124b around the connecting portion 150 with respect to the base portion 124a. It will be cut off from the outside.

  In addition, fasteners 161 and 161 capable of fixing the extension adapter 100a in a closed state are formed in the second tubular portion 120a. The fastener 161 is formed of a heat-resistant metal member. In this embodiment, the ring-shaped ring engaging portions 161a and 161a formed on the lid body 124b and the hook engaging portion 161b formed on the base portion 124a. 161b.

  Specifically, the lid 124b is formed with ring engaging portions 161a and 161a at the free end opposite to the connecting portion 150, and the base 124a is formed at the free end opposite to the connecting portion 150. The hook engaging portions 161b and 161b are formed. In the fastener 161 having such a configuration, the hook engaging portions 161b and 161b are inserted into the ring holes of the ring engaging portions 161a and 161a, and in this state, the hook engaging portions 161b and 161b are connected to the outer surface of the base portion 124a. And the base 124a and the lid 124b are fixed. As for the fastener 161, any other configuration may be used as long as the base 124a and the lid 124b can be kept closed.

  In the lid 124b, a packing 153 formed of an elastic member is provided on the outer edge surface that comes into contact with the base 124a. When the lid 124b is closed, the base 124a and the lid 124b are in close contact with each other. The fire extinguishing agent sprayed from the fire extinguishing tool 1 sometimes can be prevented from leaking out from the extension adapter 100a.

  The second tubular portion 120a includes a hose holding portion 126 that fits the hose 6 from the outer periphery, and a fitting portion 127 that locks the caulking portion 62 attached to the vicinity of the nozzle on the outer periphery of the hose. In the present embodiment, the fitting portion 127 is a tubular member having an insertion hole 140b having an inner diameter smaller than the outer diameter of the crimping portion 62, and is formed so that the inner diameter portion is opened, and the lid 124b is opened and closed. Thus, the inner diameter portion is also opened and closed.

  Specifically, the fitting portion 127 is formed of a fire-resistant metal member, and includes a lower fitting portion 127a provided on the base portion 124a and an upper fitting portion 127b provided on the lid body 124b. . As shown in FIG. 10A, the lower fitting portion 127a and the upper fitting portion 127b have a semicircular shape in a side view and have semicircular concave grooves 128a and 128b on the diameter. . The lower fitting portion 127a and the upper fitting portion 127b are bonded so that the concave grooves 128a and 128b face each other, so that the inner diameter is smaller than the outer diameter of the caulking portion 62 provided in the existing nozzle 61. The insertion hole 140b is formed.

  The lower fitting portion 127a and the upper fitting portion 127b are disposed at corresponding positions inside the base portion 124a and the lid body 124b, and are integrally formed with the base portion 124a and the lid body 124b, respectively. With such a configuration, when the lid body 124b is closed, an insertion hole 140b having an inner diameter smaller than the outer diameter of the crimping portion 62 is formed by the concave groove 128a and the concave groove 128b. Further, when the lid 124b is opened, the inner diameter portion of the insertion hole 140b is opened. The diameter of the insertion hole 140a is formed such that the inner diameter thereof matches the outer diameter of the hose 6 of the fire extinguisher or larger than the outer diameter of the hose 6, and the hose 6 can be inserted into the insertion hole 140a. It has become.

  The hose holding part 126 is a member that contacts the outer periphery of the hose 6 and fixes the hose 6, and has an insertion hole 140 c having an inner diameter that matches the outer diameter of the hose 6. The inner diameter portion is also opened, and the inner diameter portion is also opened and closed by opening and closing the lid 124b.

  Specifically, the hose holding portion 126 is formed of a flexible member such as a synthetic resin, and includes a lower tubular portion 126a provided on the base portion 124a and an upper tubular portion 126b provided on the lid body 124b. . As shown in FIG. 10B, the lower tubular portion 126a and the upper tubular portion 126b have a semi-cylindrical shape, and are formed with semicircular concave grooves 129a and 129b in a vertical cross section. By being pasted so as to face 129b, an insertion hole 140c having an inner diameter that matches the inner diameter of the insertion portion 140b is formed.

  The lower tubular portion 126a and the upper tubular portion 126b are arranged over a range from the fitting portion 127 to the end portion on the hose 6 side, and are arranged with no gap from the fitting portion 127. With such a configuration, when the lid 124b is closed, the insertion hole 140b is formed by the concave groove 129a and the concave groove 129b. When the lid 124b is opened, the inner diameter portion of the insertion hole 140c that matches the outer diameter of the hose 6 is opened.

  A fitting state between the hose holding part 126 and the fitting part 127 and the hose 6 of the fire extinguishing tool 1 will be described. FIG. 11 is a top view showing a fitting state of the hose holding part 126 and the fitting part 127 and the existing nozzle 61 of the fire extinguishing tool in the second embodiment.

  As shown in FIG. 11, the caulking part 62 has an outer diameter larger than the outer diameter of the hose 6 as shown in FIG. Thus, there is a step between the crimping portion 62 and the hose 6. Since the insertion hole 140b formed by the fitting portion 127 is set to an inner diameter smaller than the outer diameter of the crimping portion 62, the base portion 124a and the lid body 124b in a state where the hose 6 is disposed in the insertion hole 140b. Is closed, the side surface 62a on the fitting portion 127 side of the crimping portion 62 and the side surface 127c on the periphery of the insertion hole 140a of the fitting portion 127 come into contact with each other, and movement toward the hose 6 side is restricted. . Thus, by providing the fitting part 127 in the extension adapter 100a, for example, the connection state with the existing nozzle 61 is released due to the pressure when the extinguishing agent is radiated, and the hose 6 comes off from the extension adapter 100a. Can be prevented.

  Further, in the present embodiment, the hose holding portion 126 formed of a flexible member is formed on the hose 6 side of the fitting portion 127, so that the hose 6 formed of the flexible member is in contact with the hose 6 formed of the flexible member. By contacting, the frictional force can be increased, and the fitting state of the extension adapter 100a can be further maintained.

  In the present embodiment, the length of the inner tubular portion 113 in the longitudinal direction is set longer than the width of the outer tubular portion 112, and a part of the inner tubular portion 113 is disposed in the second tubular portion 120a. It has come to be. The length of the internal tubular portion 113 can be changed according to the size of the existing nozzle 61.

  When using such an extension adapter 100a, first, the extension pipe 7 is inserted from the outside into the insertion hole 140a, and the extension pipe 7 is brought into contact with the inner tubular portion 113 and fixed. Next, the lid 124b is opened with the connecting portion 150 as the center, an open portion 172 is generated, and the existing nozzle 61 is placed in the space portion 171 of the base portion 124a so that the fitting portion 127 and the caulking portion 62 of the fire extinguishing tool 1 are brought into contact with each other. To place. Then, the lid body 124b is closed around the connecting portion 150, and the lid body 124b and the base portion 124a are fixed by the fastener 161, so that the existing nozzle 61 and the extension pipe 7 are attached to the extension adapter 100a so as not to be detached. And if the operation part 3 of the fire extinguishing tool 1 is operated and the fire extinguishing agent in the fire extinguisher main body 2 is sprayed, the fire extinguishing agent injected from the existing nozzle 61 installed in the space part 171 is the first tubular part. 111 passes through the through-hole 113 a of 111, is supplied into the extension pipe 7, and is sprayed from the nozzle 8 at the tip of the extension pipe 7.

(Action / Effect)
According to this embodiment, since the long extension pipe 7 can be connected to the hose 6 using the extension adapter 100a as in the first embodiment, the fire source is at a distant position. Even so, the user can reliably extinguish the initial fire by spraying the fire extinguisher reliably on the fire without approaching the vicinity of the fire.

  Also in this embodiment, the extension adapter 100a fixes the existing nozzle 61 in the space portion 171 only by placing the existing nozzle 61 in the space portion 171 of the base portion 124a and covering the lid body 124b. Therefore, existing fire extinguishing tools (the fire extinguisher main body 2, the hose 6, the existing nozzle 61, etc.) can be used without any processing.

  Moreover, in this embodiment, since the fitting part 127 has the insertion hole 140b which has an inner diameter smaller than the diameter of the outer periphery of the crimping part 62, if the existing nozzle 61 is attached to the extension adapter 100a, a crimping part The side surface 62a on the fitting portion 127 side of 62 and the side surface 127c on the periphery of the insertion hole 140a of the fitting portion 127 come into contact with each other. For example, the connection state with the nozzle or the extension pipe by the pressure when radiating the extinguishing agent It is possible to prevent the hose 6 from falling out of the extension adapter 100a, such as being released.

  In addition, according to the present embodiment, since the opening 172 can be opened and closed by the lid 124b, the existing nozzle 61 is installed in the space 171 through the opening 172 by opening the opening 172 using the lid 124b. It can be easily installed. . On the other hand, by closing the opening portion 172 using the lid 124b, the existing nozzle 61 can be fitted by the fitting portion 127, and the space portion 171 can be sealed, and the extinguishing agent injected from the existing nozzle 61 Can be effectively passed to the extension pipe 7 side without leaking to the outside.

  In addition, since the fitting portion 127 is configured to open and close the inner diameter portion by opening and closing the lid body 124b, the hose 6 can be easily disposed on the inner diameter portion by opening the lid body 124b. The existing nozzle 51 can be fitted with the fitting portion 127 only by closing the lid 124b, and the attaching / detaching operation from the extension adapter 100a can be simplified. Furthermore, in this embodiment, since the elastic packing 153 is provided in the outer edge surface which contacts the base 124a in the cover 124b, the base 124a and the cover 124b are closely_contact | adhered, and it injects from the fire extinguishing tool 1 at the time of use. It can prevent that the made explosive leaks outside from the extension adapter 100a.

[Example of change]
The description of each embodiment described above is an example of the present invention. For this reason, the present invention is not limited to the above-described embodiment, and it is needless to say that various modifications can be made according to the design or the like as long as the technical idea according to the present invention is not deviated. For example, in the first embodiment, the extension pipe 7 and the extension adapter 100 are fitted by the elasticity of the flexible member. For example, the extension pipe 100 and the extension pipe 7 are connected to the inner surface and the outer surface of the extension pipe 7. Each of the screws may be formed so that the screws are engaged with each other and connected by various connecting means.

  Further, for example, a plurality of extension pipes 7 may be connected by using a tubular auxiliary adapter having an inner diameter that matches the outer diameter of the extension pipe 7. Here, the outer diameter of the auxiliary adapter may be formed to an outer diameter that matches the inner diameter of the space portion 123. By setting it as such a structure, even if it is a case where the existing nozzle 61 is a magnitude | size comparable as the extension pipe 7, the hose 6 and the extension pipe 7 can be connected. Specifically, first, the existing nozzle 61 is fitted into the first tubular portion 110. Next, after the extension pipe 7 is fitted to the auxiliary adapter, the auxiliary adapter is fitted to the second tubular portion 120 to connect the hose 6 and the extension pipe 7.

  In the middle of the auxiliary adapter, a protrusion having an outer diameter larger than the inner diameter of the second tubular portion 120 is formed, and when the protrusion is engaged with the extension adapter, the protrusion is a side surface of the extension adapter 100. The position can also be fixed by abutting against.

  In the first embodiment, the three spaces 121 to 123 are formed, but the number of spaces can be changed according to the type of the existing nozzle 61. At this time, the entire length of the extension adapter 100 is not changed, and the length of the space portion other than the space portion 123 on the outside is formed short.

  In the second embodiment described above, the connection is made by the connecting portion 150 extending in the longitudinal direction. However, the present invention is not limited to this, and the base portion 124a and the lid body 124b may be connected to be openable and closable. What is necessary is just to be able to use various means. For example, the lid portion 124b may slide in the longitudinal direction relative to the base portion 124a to open and close the opening portion 172. Further, for example, a support shaft that can be rotated about an axis orthogonal to the central axis of the extension adapter 100a is provided at the boundary between the first tubular portion 111 and the second tubular portion 120a, and the lid 124b is pivoted on the support shaft. The structure which opens and closes the opening part 172 may be sufficient. Even in such a configuration, a packing is formed on the contact surface between the lid 124b, the first tubular portion 111, and the base portion 124a to maintain the sealed state of the space portion 171.

DESCRIPTION OF SYMBOLS 1 ... Fire extinguishing tool 2 ... Fire extinguisher main body 3 ... Operation part 4 ... Fire extinguisher 5 ... Siphon pipe 6 ... Hose 7 ... Extension pipe 8 ... Extension nozzle 9 ... Filter member 10 ... Extension adapter 31 ... Cover body 32 ... Fixing lever 33 ... Start lever 34 ... Tilting rod 35 ... Safety stopper 61 (61a-61c) ... Existing nozzle 62 ... Caulking portion 62a ... Side 100, 100a ... Extension adapter 110, 111 ... First tubular portion 112 ... Outer tubular portion 113 ... Inner tubular Part 113a: Through hole 120, 120a ... Second tubular part 121-123 ... Space part 121a-123a ... Step part 124a ... Base part 124b ... Lid 125 ... Opening part 126 ... Hose holding part 126a ... Lower tubular part 126b ... Upper tubular part Part 127 ... Fitting part 127a ... Lower fitting part 127b ... Upper fitting part 127c ... Side surface 128a, 128b ... Concave groove 129a, 1 29b ... concave groove 130 ... cover member 131 ... through hole 140a-140c ... insertion hole 150 ... connecting part 151 ... cylindrical part 152 ... connecting shaft 153 ... packing 161 ... fastener 161a ... ring engaging part 161b ... hook engaging part 171 ... Space 172 ... Open part

The lower fitting portion 127a and the upper fitting portion 127b are disposed at corresponding positions inside the base portion 124a and the lid body 124b, and are integrally formed with the base portion 124a and the lid body 124b, respectively. With such a configuration, when the lid body 124b is closed, an insertion hole 140b having an inner diameter smaller than the outer diameter of the crimping portion 62 is formed by the concave groove 128a and the concave groove 128b. Further, when the lid 124b is opened, the inner diameter portion of the insertion hole 140b is opened. The diameter of the insertion hole 140 b, the inner diameter is formed to a size of an outer diameter basically matches the extinguisher hose 6, which is a hose 6 can be inserted into the insertion hole 140 b .

Specifically, the hose holding portion 126 is formed of a flexible member such as a synthetic resin, and includes a lower tubular portion 126a provided on the base portion 124a and an upper tubular portion 126b provided on the lid body 124b. . As shown in FIG. 10B, the lower tubular portion 126a and the upper tubular portion 126b have a semi-cylindrical shape, and are formed with semicircular concave grooves 129a and 129b in a vertical cross section. The insertion hole 140c having an inner diameter with a size matching the outer diameter of the hose 6 is formed by being bonded so as to face the 129b.

The lower tubular portion 126a and the upper tubular portion 126b are arranged from the fitting portion 127 to the end portion range on the hose 6 side, and are arranged with no gap from the fitting portion 127. With this configuration, when to close the lid 124b, the insertion holes 140 c is formed by the concave grooves 129a and grooves 129b. When the lid 124b is opened, the inner diameter portion of the insertion hole 140c that matches the outer diameter of the hose 6 is opened.

As shown in FIG. 11, the caulking part 62 has an outer diameter larger than the outer diameter of the hose 6 as shown in FIG. Thus, there is a step between the crimping portion 62 and the hose 6. Since the insertion hole 140b formed by the fitting portion 127 is set to an inner diameter smaller than the outer diameter of the crimping portion 62, the base portion 124a and the lid body 124b in a state where the hose 6 is disposed in the insertion hole 140b. when the closed the door, and that the side surface 62a of the fitting portion 127 side of the caulking portion 62, and a side surface 127c of the insertion hole 140 b periphery of the fitting portion 127 abuts limited movement to the hose 6 side Become. Thus, by providing the fitting part 127 in the extension adapter 100a, for example, the connection state with the existing nozzle 61 is released due to the pressure when the extinguishing agent is radiated, and the hose 6 comes off from the extension adapter 100a. Can be prevented.

Claims (5)

A fire extinguisher body filled with a fire extinguisher,
A tubular hose connected to the fire extinguisher body and having a nozzle attached to the tip for spraying the fire extinguishing agent;
A long extension pipe connected via an extension adapter fitted to the nozzle,
The extension adapter is
Having a first tubular portion formed at one end with an inner diameter that matches the outer diameter of the tip of the extension pipe;
A fire extinguishing tool having a second tubular portion formed at the other end thereof, which communicates with the first tubular portion and has a space portion with which the nozzle is engaged. A plurality of the space portions are formed with different inner diameters,
The said 2nd tubular part is arrange | positioned so that an internal-diameter dimension may become small sequentially from the outer side toward the inner side from the outer side, The step part is formed between the said space parts. Fire extinguishing equipment as described in. The fire extinguishing tool according to claim 1 or 2, wherein a cover member having a through hole having a size matching the outer diameter of the hose is detachably provided in the opening of the second tubular portion. . A step portion attached near the nozzle on the outer periphery of the hose and further having an outer diameter larger than the outer diameter of the hose,
The second tubular part is
An open portion communicating with the space portion;
A lid that closes the opening;
The fire extinguishing tool according to claim 1, further comprising: a fitting portion that is disposed on the other end side in the space portion and has an insertion hole having an inner diameter smaller than the outer diameter of the stepped portion.   The fire-extinguishing tool according to claim 4, wherein the fitting portion is formed so that the inner diameter portion is opened, and the inner diameter portion is also opened and closed by opening and closing the lid.