Multi-caliber fire fighting truck water suction pipe connector

Abstract

The utility model discloses a multi-caliber fire fighting truck water suction pipe connector. Belongs to the technical field of fire-fighting truck water suction pipes. The technical key points are as follows: the fire-fighting pipe comprises a pipe body; one end of the pipe body is in threaded connection with a male joint connected with a fire-fighting truck; the other end of the pipe body is in threaded connection with a small-caliber joint for connecting a water suction pipe, and the outer side of the front end of the small-caliber joint is in threaded connection with a large-caliber joint with a larger diameter; the multi-caliber fire fighting truck water suction pipe connector is simple in structure and suitable for fire hydrant connectors with various calibers. A water suction pipe is connected to the fire-fighting truck.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fire engine suction pipe connector, more specifically, especially to a multi-caliber fire engine suction pipe connector. BACKGROUND

[0002] When the water in the fire engine tank is used up, it needs to be replenished by connecting a water pump or a fire hydrant, and the commonly used suction pipe connector mainly includes 150mm caliber and 200mm caliber, since the suction connector on the fire engine tank has single caliber, the caliber of the suction pipe connector needs to be carefully identified before connecting the suction pipe, which cannot be quickly connected, affecting the water pumping efficiency. SUMMARY

[0003] The utility model discloses to the shortage of prior art, provide a simple structure, suitable for multi-caliber fire hydrant interface's multi-caliber fire engine suction pipe connector.

[0004] The technical scheme of the utility model is as follows: a multi-caliber fire engine suction pipe connector, including the pipe body, the pipe body one end is connected with the male joint for connecting the fire engine, the small caliber connector for connecting the suction pipe is connected in the pipe body other end, the big caliber connector with larger diameter is connected through the thread in the small caliber connector front end outside.

[0005] In the above-mentioned multi-caliber fire engine suction pipe connector, the small caliber connector is a quick buckle, and the big caliber connector is a female quick connector.

[0006] In the above-mentioned multi-caliber fire engine suction pipe connector, the small caliber connector and the big caliber connector are both quick buckles.

[0007] In the above-mentioned multi-caliber fire engine suction pipe connector, the inner wall of the thread connection end of the big caliber connector and the small caliber connector is provided with a mounting ring, and a sealing rubber ring is arranged in the mounting ring; when the big caliber connector is connected with the small caliber connector, the sealing rubber ring tightly abuts against the outer wall of the small caliber connector.

[0008] In the above-mentioned multi-caliber fire engine suction pipe connector, the connecting end of the male connector is provided with a connecting section with internal threads, and a plurality of ribs are uniformly distributed on the outer wall of the connecting section in the circumferential direction.

[0009] After the above structure is adopted, the small caliber connector and the big caliber connector are arranged on the pipe body at the same time, when the caliber of the suction pipe is small, the suction pipe can be directly inserted into the big caliber connector and connected with the small caliber connector, otherwise, the suction pipe is directly connected with the big caliber connector, the suction pipe can be quickly connected, and the water pumping efficiency is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0010] The utility model will be made further detailed description in combination with the embodiment in the drawings, but does not constitute any limitation to the utility model.

[0011] Figure 1 It is the structure schematic diagram of the utility model embodiment 1.

[0012] Figure 2 It is the section structure schematic diagram of the utility model embodiment 1.

[0013] Figure 3 It is the local structure schematic diagram of A of the utility model.

[0014] Figure 4 It is the structure schematic diagram of the utility model embodiment 2.

[0015] In the drawing: 1, pipe body;2, male joint;3, small-caliber joint;4, large-caliber joint;5, mounting ring;6, sealing rubber ring;7, connecting section;8, rib. Specific implementation

[0016] Embodiment 1

[0017] Referring to Figures 1-3 The utility model discloses a multi-caliber fire engine suction pipe connecting head, including pipe body 1, the pipe body 1 one end threaded connection is used for connecting the male joint 2 of fire engine;In the pipe body 1 other end threaded connection has the small-caliber joint 3 for connecting suction pipe, in the small-caliber joint 3 front end outside through threaded connection has the large-caliber joint 4 of diameter relatively big.The large-caliber joint is 200mm caliber joint, and the small-caliber joint is 150mm caliber joint, and the outer diameter of 150mm caliber joint on suction pipe is less than or equal to 200mm caliber joint inner diameter.

[0018] By setting up small-caliber joint and large-caliber joint on the pipe body simultaneously, when the suction pipe caliber is small, can directly extend into the large-caliber joint and connect with the small-caliber joint, otherwise directly cooperates and connects with the large-caliber joint, can quickly connect the suction pipe, effectively passes through the pumping efficiency.

[0019] In the embodiment, the small-caliber joint 3 is quick joint buckle, and the large-caliber joint 4 is quick joint female joint.Small-caliber joint located in the inner ring adopts quick joint buckle type joint to facilitate connection, can avoid interference with the large-caliber joint of outer ring.The quick joint buckle and quick joint female joint are prior art, and its specific structure is the common knowledge of those skilled in the art, and will not be repeated here.

[0020] In the embodiment, the inner wall of the one end of the large-diameter connector 4 is provided with a mounting ring 5, and the mounting ring 5 is provided with a sealing rubber ring 6; when the large-diameter connector 4 is connected with the small-diameter connector 3, the sealing rubber ring 6 is tightly attached to the outer wall of the small-diameter connector 3. The sealing rubber ring improves the sealing performance of the threaded connection between the large-diameter connector and the small-diameter connector, and avoids the leakage of the water from the connection when the large-diameter water suction pipe is connected.

[0021] In the embodiment, the connecting end of the male connector 2 is provided with a connecting section 7 with internal threads, and the outer wall of the connecting section 7 is circumferentially provided with a plurality of ribs 8. The threaded connection part of the small-diameter connector and the large-diameter connector is also provided with the same structure, and the ribs are used to facilitate the rotation of the connector and the disassembly and assembly of the threaded section by cooperating with the corresponding tools.

[0022] In use, the pipe body is connected to the fire truck through the male connector, and the water suction pipe connected with the fire hydrant or the water pump is connected with the small-diameter connector or the large-diameter connector according to the size of the diameter to perform water suction.

[0023] Embodiment 2

[0024] Referring to Figure 4 The utility model discloses a multi-diameter fire truck water suction pipe connector, which has the advantages of convenient connection, no interference of the large-diameter connector on the connection of the small-diameter connector, and improved sealing performance of the threaded connection between the large-diameter connector and the small-diameter connector.

[0025] The use method is the same as that of embodiment 1.

[0026] The above-mentioned embodiments are the preferred embodiments of the utility model, which are used to facilitate the description of the utility model and do not limit the utility model in any form. Any person skilled in the art can make equivalent embodiments by making partial changes or modifications within the scope of the technical features of the utility model without departing from the technical features of the utility model, and the equivalent embodiments still belong to the scope of the technical features of the utility model.

Claims

1. A multi-caliber fire truck suction hose connector comprising a body (1), characterized in that, The pipe body (1) is threadedly connected with a male joint (2) at one end for connecting with a fire truck; a small-diameter joint (3) for connecting a water suction pipe is threadedly connected at the other end of the pipe body (1), and a large-diameter joint (4) with a larger diameter is threadedly connected outside the front end of the small-diameter joint (3).

2. A multi-caliber fire apparatus suction hose connection according to claim 1, wherein, The small-diameter joint (3) is a quick-connection buckle, and the large-diameter joint (4) is a quick-connection female joint.

3. A multi-caliber fire apparatus suction hose connection according to claim 1, wherein, The small-diameter joint (3) and the large-diameter joint (4) are both quick-connection buckles.

4. The multi-caliber fire apparatus suction hose connection of claim 1, wherein, The inner wall of the end of the large-diameter joint (4) threadedly connected with the small-diameter joint (3) is provided with a mounting ring (5), and a sealing rubber ring (6) is arranged in the mounting ring (5); when the large-diameter joint (4) is connected with the small-diameter joint (3), the sealing rubber ring (6) tightly abuts against the outer wall of the small-diameter joint (3).

5. The multi-port fire apparatus suction hose connection of claim 1, wherein, The connecting end of the male joint (2) is provided with a connecting section (7) with internal threads, and a plurality of ribs (8) are uniformly distributed in the circumferential direction on the outer wall of the connecting section (7).

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