Quick connector for fire hose

Abstract

The utility model relates to the technical field of fire hoses, in particular to a quick connector for a fire hose. The quick connector for the fire hose comprises the fire hose, a connector and a fire sprinkler, the outer side wall of the fire hose is sleeved with a hose clamp, the fire hose is fixed to the bottom of the outer side wall of the connector in a sleeved mode, the bottom of the fire sprinkler is inserted into the connector, the top of the connector is provided with a guide hopper, and the guide hopper is connected with the fire sprinkler. A limiting ring is arranged on the outer side wall of the fire sprinkler, a groove is formed in the bottom of the limiting ring, and the guide hopper is located in the groove; the two sets of hook plates are pressed inwards to be aligned with the connecting lugs, the fire sprinkler can be assisted to be inserted into the connector more easily and rapidly through the guide hopper, meanwhile, hook heads at the tops of the hook plates penetrate through the connecting lugs, the hook plates are loosened at the moment, and the hook heads at the tops of the hook plates can be driven to hook the connecting lugs through resilience force of springs; therefore, the butt joint of the connector and the fire sprinkler can be quickly completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire hose technical field, concretely is a quick coupling for fire hose. BACKGROUND

[0002] "fire control" is to eliminate hidden danger, prevent disaster mainly including fire scene personnel rescue, important facilities and equipment, cultural relics rescue, important property security and rescue, extinguishing fire, etc. need to use fire water pipe and fire nozzle when rescuing. The connection mode of the existing fire hose and fire nozzle is mostly threaded connection, when needing to use, the nozzle and the hose are docked manually, and then the nozzle is rotated to connect the two together through the thread, the installation process is relatively slow, which is not conducive to the rescue of the fire scene by the firemen, therefore, we provide a fire water pipe joint that can be quickly installed, which is technical innovation on the basis of the existing fire hose joint. SUMMARY

[0003] The utility model discloses a quick coupling for fire hose, which aims to solve the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a quick coupling for fire hose, comprising:

[0005] The fire hose, the connector and the fire nozzle, the outer side wall of the fire hose is sleeved with a throat clamp, the fire hose is sleeved and fixed at the bottom of the outer side wall of the connector, the bottom of the fire nozzle is inserted into the connector, the top of the connector is provided with a guide hopper, the outer side wall of the fire nozzle is provided with a limiting ring, the bottom of the limiting ring is provided with a groove, and the guide hopper is located in the groove, wherein: the outer side of the connector is provided with a fixing assembly.

[0006] Preferably, the fixing assembly comprises a hook plate, two groups of hook plates are evenly provided with two groups of through holes on the opposite sides respectively, a limiting column is arranged in the through hole, a spring is arranged on the outer ring of the limiting column, and a connecting lug is sleeved on the outer side wall of the hook head of the top of the hook plate.

[0007] Preferably, the two groups of hook plates are located on the left and right sides of the connector respectively, and the limiting columns are evenly arranged on the left and right sides of the connector.

[0008] Preferably, the spring is arranged between the hook plate and the connector, and the two groups of connecting lugs are arranged on the left and right sides of the limiting ring respectively.

[0009] Preferably, the outer side wall bottom of the connector is provided with a second sealing ring, and the outer side wall of the second sealing ring is matched with the inner side wall of the fire hose.

[0010] Preferably, the groove at the bottom of the limiting ring is provided with a first sealing ring, and the first sealing ring is attached to the top of the guide hopper.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The utility model discloses, press inwards two groups of hook plate, make it with the connecting lug alignment, through the guide hopper can assist fire sprinkler more easily and quickly insert the connector, at the same time, the hook head of hook plate top penetrates the connecting lug, when loosening the hook plate, through the spring's rebound force, can drive the hook head of hook plate top and hook the connecting lug, thereby can quickly complete the butt joint of connector and fire sprinkler.

[0013] The connecting gap between the fire hose and the connector is sealed through the second sealing ring, the connecting gap between the limiting ring and the guide hopper is sealed through the first sealing ring, and through double sealing, it can effectively guarantee that the water flow input from the fire hose can be fully sprayed from the fire sprinkler, so as to guarantee the use reliability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structural schematic view of the utility model quick connector for fire hose;

[0015] Fig. 2 It is a front view of the utility model quick connector for fire hose;

[0016] Fig. 3 It is a front view of the utility model quick connector for fire hose.

[0017] In the drawing: 1, fire hose;11, hose clamp;12, connector;13, fire sprinkler;14, limiting ring;15, connecting lug;16, hook plate;17, limiting column;18, spring;19, guide hopper;2, first sealing ring;21, second sealing ring. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to Figs. 1-3The utility model provides a quick joint for fire hose, including fire hose 1, connecting head 12 and fire nozzle 13, the outside wall of fire hose 1 is sleeved with throat collar 11, and fire hose 1 is sleeved and fixed at the bottom of the outside wall of connecting head 12, and fire hose 1 is fixed and sleeved at the outside wall of connecting head 12 through throat collar 11, and the bottom of fire nozzle 13 is inserted in connecting head 12, and the top of connecting head 12 is fixedly provided with guide hopper 19, and the outside wall of fire nozzle 13 is fixedly provided with limiting ring 14, and the bottom of limiting ring 14 is provided with recess, and guide hopper 19 is located in recess, wherein: the outside of connecting head 12 is placed with fixed assembly, and the fixed assembly includes hook plate 16, and two groups of hook plate 16 are evenly provided with two groups of through holes on the opposite sides respectively, and limiting column 17 is slidably arranged in the through hole, and spring 18 is arranged on the outer ring of limiting column 17, and connecting lug 15 is sleeved on the outside wall of the hook head of hook plate 16 top, and two groups of hook plate 16 are located at the left and right sides of connecting head 12 respectively, and limiting column 17 is evenly fixedly arranged at the left and right sides of connecting head 12, and spring 18 is fixedly arranged between hook plate 16 and connecting head 12, and two groups of connecting lug 15 are fixedly arranged at the left and right sides of limiting ring 14, and two groups of hook plate 16 are pressed inwards to be aligned with connecting lug 15, then fire nozzle 13 can be inserted into connecting head 12, and guide hopper 19 can assist fire nozzle 13 to be inserted into connecting head 12 more easily and quickly, at the same time, the hook head of hook plate 16 top penetrates connecting lug 15, then hook plate 16 is loosened, and the rebound force of spring 18 can drive the hook head of hook plate 16 top to hook connecting lug 15, so that the butt joint of connecting head 12 and fire nozzle 13 can be quickly completed, the bottom of the outside wall of connecting head 12 is fixedly provided with second sealing ring 21, the outside wall of second sealing ring 21 is attached to the inside wall of fire hose 1, the recess in the bottom of limiting ring 14 is fixedly provided with first sealing ring 2, and first sealing ring 2 is attached to the top of guide hopper 19, the connecting gap between fire hose 1 and connecting head 12 is sealed through second sealing ring 21, the connecting gap between limiting ring 14 and guide hopper 19 is sealed through first sealing ring 2, and through double sealing, the water flow input from fire hose 1 can be effectively sprayed from fire nozzle 13, so that the use reliability of the device is guaranteed.

[0020] Working principle: through the throat hoop 11 fixed set in the connecting head 12 outside wall, press two groups of hook plate 16, make it with connecting lug 15 alignment, then can insert fire nozzle 13 into the connecting head 12, through the guide bucket 19 can assist fire nozzle 13 more easily and quickly inserted into the connecting head 12, at the same time, the hook head of hook plate 16 top penetrates connecting lug 15, at this time, loosen hook plate 16, through the spring 18 rebound force, can drive hook plate 16 top hook head hook connecting lug 15, so as to quickly complete the connecting head 12 and fire nozzle 13 butt joint, through the second sealing ring 21, the connecting gap between fire hose 1 and connecting head 12 is sealed, through the first sealing ring 2, the connecting gap between limiting ring 14 and guide bucket 19 is sealed, through double sealing, can effectively guarantee the water flow from fire hose 1 input can be fully from fire nozzle 13, so as to guarantee the use reliability of the device.

Claims

1. A quick coupling for fire hose, characterized by, Include: Fire hose (1), connecting head (12) and fire nozzle (13), the outer wall of the fire hose (1) is sleeved with a hose clamp (11), the fire hose (1) is sleeved and fixed at the bottom of the outer wall of the connecting head (12), the bottom of the fire nozzle (13) is inserted into the connecting head (12), the top of the connecting head (12) is provided with a guide hopper (19), the outer wall of the fire nozzle (13) is provided with a limiting ring (14), the bottom of the limiting ring (14) is provided with a groove, and the guide hopper (19) is located in the groove, wherein: the outer side of the connecting head (12) is provided with a fixing assembly.

2. A quick coupling for fire hoses according to claim 1, characterized in that: The fixing assembly includes a hook plate (16), two groups of the hook plate (16) are evenly provided with two groups of through holes on the opposite sides, respectively, the through hole is provided with a limiting column (17), the outer circle of the limiting column (17) is provided with a spring (18), the outer wall of the hook head of the top of the hook plate (16) is sleeved with a connecting lug (15).

3. A quick coupling for fire hoses according to claim 2, characterized in that: Two groups of the hook plate (16) are respectively located on the left and right sides of the connecting head (12), and the limiting column (17) is evenly arranged on the left and right sides of the connecting head (12).

4. A quick coupling for fire hoses according to claim 2, characterized in that: The spring (18) is arranged between the hook plate (16) and the connecting head (12), and two groups of the connecting lug (15) are arranged on the left and right sides of the limiting ring (14).

5. A quick coupling for fire hose according to claim 1, characterized in that: The bottom of the outer wall of the connecting head (12) is provided with a second sealing ring (21), and the outer wall of the second sealing ring (21) is matched with the inner wall of the fire hose (1).

6. A quick coupling for fire hose according to claim 1, characterized in that: The groove in the bottom of the limiting ring (14) is provided with a first sealing ring (2), and the top of the first sealing ring (2) is matched with the guide hopper (19).

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