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Combination accessories for fire hoses

A technology for fire hoses and fittings, applied in the direction of pipes/pipe joints/fittings, hose connection devices, mechanical equipment, etc., can solve the problem that the push ring 22 cannot be contacted, and achieve excellent operability, rapid fire-fighting activities, and prevent binding The effect of disengagement of accessories

Active Publication Date: 2016-09-28
MORITA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, a cover member having an outer diameter larger than that of the push ring 22 is installed on the outer peripheries of the insertion fitting 20 and the receiving fitting 10, so that the push ring 22 cannot simply come into contact with the ground or obstacles.

Method used

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  • Combination accessories for fire hoses
  • Combination accessories for fire hoses
  • Combination accessories for fire hoses

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0074] Next, according to the accompanying drawings, a joint fitting of a fire hose according to an embodiment of the present invention will be described.

[0075] figure 1 It is a half-sectional view of the state in which the joint fittings of the fire hose of this embodiment are disengaged (but the push ring is not shown), figure 2 It is a half-sectional view of a state in which the coupling fittings of the fire hose of this embodiment are combined, image 3 It is a sectional view of the main parts of the joint fittings of the fire hose of this embodiment, Figure 4 It is a half-sectional view of the push ring used for the combination fitting of the fire hose of this embodiment, Figure 5 It is a cross-sectional view of main parts showing the operating state of the coupling fitting of the fire hose of this embodiment. In addition, members having the same functions as those in the conventional example are assigned the same reference numerals, and a part of description th...

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PUM

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Abstract

PURPOSE: A fire hose coupling is provided to extinguish the fire more efficiently and safely without degrading the conventional operation ability. CONSTITUTION: A fire hose coupling comprises a male coupling unit(20) and a female coupling unit(10). The male coupling unit includes a circular projection part on one side and with a female connection part on the other side; a male coupling body installed respectively with sliding-moving cylinders between the circular projection part and a male hose connection part; a pressure ring capable of sliding in the sliding-moving cylinder; and a female coupling body installed with a female coupling structure of the female coupling on one side and with a female hose connection part on the other side. The section of the male hose connection part of the circular projection part is formed with a hanging-brake locking groove forming a slope and the female structure is installed with a projection contacting the slope.

Description

technical field [0001] The invention relates to a joint fitting of a fire hose, in particular to a joint fitting of a fire hose equipped with a fall-off prevention mechanism, and the fall prevention mechanism is used to avoid the danger caused by the fire hose falling off. Background technique [0002] When the fire brigade is carrying out fire extinguishing activities, it is necessary to extend the fire hose from the fire truck to the fire point to reliably transport the fire extinguishing agent. [0003] The fire hose and the discharge outlet of the fire engine, the fire hose and the water discharge nozzle, and the fire hose are connected with each other by joint fittings. Pressurized water or foam is sent from the fire truck to the discharge nozzle through them, and then the water or foam is released for fire extinguishing and the like. [0004] There are plug-in type, screw type, and twist type among the joints sold in Japan. Plug-in Machino-style couplings are used in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L33/00
CPCF16L33/00
Inventor 廖赤虹近藤伸一山野光一
Owner MORITA CO LTD
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