Fire hose connector

Abstract

The fire hose connector comprises a first butt joint and a sleeve joint, a second butt joint is arranged on one side of the first butt joint, a butt joint pipe is fixedly connected to one side of the interior of the first butt joint, the sleeve joint is fixedly connected to one side of the second butt joint, and a fastening structure is installed on one side of the outer side wall of a hose pipe. By arranging the auxiliary butt joint structure, after the first butt joint and the second butt joint are in butt joint, the first butt joint and the second butt joint are reversely rotated by a certain angle, so that the inlaying piece and the inlaying groove are located on the same horizontal plane, the butt joint hook and the limiting sliding rail are in butt joint and clamped, and then the inlaying piece is turned over to be clamped into the inlaying groove to form inlaying; under the extrusion force of the torsion spring, the rotating sleeve can drive the protruding block to rotate, the outer side of the embedded piece is blocked by the protruding block after the embedded piece is clamped into the embedded groove, so that the embedded piece is not prone to disengagement, the first butt joint and the second butt joint cannot rotate or disengage after being in butt joint, and the butt joint convenience of the connector is improved.

Description

Technical Field

[0001] The invention relates to the technical field of fire hose connectors, in particular to a fire hose connector. Background Art

[0002] When using fire-fighting equipment, it is usually necessary to connect the water hose to equipment such as fire hydrants so that the fire-fighting water can be sprayed to the fire location through the water hose and the spray gun. In order to improve the connection effect between the water hose and the fire-fighting equipment, a special fire hose connector is often used.

[0003] To this end, the patent specification with publication number CN211912546U discloses a fire hose connector, including a pair of matching connectors; a connecting pipe is integrally connected to the pair of connectors; a clamp is slidably sleeved on the connecting pipe; and an adjustment support assembly is provided between the clamp and the connector. The fire hose connector of the utility model has a simple structure, a firm connection, and the fire hose is not easy to slip. The above-mentioned fire hose connector has a good connection effect when in use, but there are still some problems:

[0004] 1. When the above-mentioned fire hose connector is in use, the connector is mostly fastened by fasteners such as bolts, and the fastening of the bolts is time-consuming and has a greater impact on more severe fires.

[0005] 2. When the fire hose connector is used, the hose needs to be fastened to the connector, which is inconvenient during installation. Summary of the invention

[0006] The purpose of the present invention is to provide a fire hose connector to solve the defect that the existing fire hose connector is time-consuming to connect.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a fire hose connector, comprising a first pair of connectors and a sleeve connector, a second pair of connectors is arranged on one side of the first pair of connectors, a docking tube is fixedly connected to one side of the first pair of connectors, a sleeve connector is fixedly connected to one side of the second pair of connectors, a water hose is sleeved on the outer side of the sleeve connector, and an auxiliary docking structure is arranged on one side of both ends of the second pair of connectors, the auxiliary docking structure comprises a docking hook, an inlay piece, a limiting slide rail, an inlay groove, a first gear rod, a support column, a torsion spring, a block, a rotating sleeve, a protrusion, a slot and a limiting slot, the docking hook is fixedly connected to one side of the inner wall of the first pair of connectors, and a fastening structure is installed on one side of the outer wall of the water hose pipe.

[0008] When in use, the water hose is placed on the outside of the socket and tightened, and then the first pair of joints are connected to the second pair of joints, and then the water hose is connected to fire hydrants and other fire-fighting equipment. When a fire occurs, the fire-fighting equipment is turned on to allow the fire-fighting water to flow to the fire through the water hose installed on the connector, thereby playing a role in fire fighting.

[0009] Preferably, an inlay piece is hingedly provided inside one side at both ends of the first pair of joints, both ends of one side of the first pair of joints are fixedly connected to a limiting slide rail, an inlay groove is provided on one side at both ends of the second pair of joints, both ends of the second pair of joints are fixedly connected to a first gear rod, a support column is provided on one side of the first gear rod, a torsion spring is sleeved on the outer side of the support column, a clamping block is fixedly connected to one end of the support column, a rotating sleeve is installed on the outer side of the torsion spring, a protrusion is fixedly connected to one side of the rotating sleeve, a clamping groove is provided inside one end of the rotating sleeve, a limiting groove is provided inside one side of the rotating sleeve, and after the inlay piece is inserted into the inlay groove, its outer side is blocked by the protrusion, so that the inlay piece is not easily detached.

[0010] Preferably, the inlay piece and the first pair of joints are in a hinged structure, and the docking hook and the limiting slide rail are in a sliding structure, so that the first pair of joints and the second pair of joints can be rotatably docked.

[0011] Preferably, the inlay pieces and the inlay grooves are in an inlay structure, and the inlay pieces are symmetrically distributed at both ends of the first pair of joints.

[0012] Preferably, the clamping block and the clamping slot are in a rotating structure, and the torsion spring is elastically connected to the rotating sleeve via a limiting groove, so that the inlay piece is shielded after being inlaid.

[0013] Preferably, the fastening structure includes a clamp, a pivot seat, a pivot rod, a fastening screw, a stop hook, a ring, a second gear rod, a fastening nut and an anti-slip convex strip. The clamp is sleeved on one side of the outer wall of the water hose pipe, and the top of one end of the clamp is fixedly connected to the pivot seat, and the inside of the pivot seat is rotatably connected to the pivot rod.

[0014] Preferably, the bottom end of the rotating shaft rod is fixedly connected with a fastening screw, a blocking hook is fixedly connected below one end of the clamp, a ring is sleeved below the outer wall of the fastening screw, both sides of the ring are fixedly connected with a second gear rod, the bottom end of the outer wall of the fastening screw is threadedly connected with a fastening nut, and the inner wall of the clamp is fixedly connected with an anti-slip convex strip, and as the fastening nut is continuously tightened, the clamp will gradually shrink and reinforce the fitting of the sleeve joint and the water hose.

[0015] Preferably, the rotating shaft seat and the rotating shaft rod are in a flip structure, and the rotating shaft rod and the fastening screw are perpendicular to each other.

[0016] Preferably, the fastening screw and the fastening nut are in a threaded connection structure, and the anti-slip convex strips are distributed in a ring shape on the inner wall of the clamp, so that the installation of the clamp is tighter and not easy to loosen.

[0017] The fire hose connector provided by the present invention has the advantages that: by providing an auxiliary docking structure, after the first pair of connectors and the second pair of connectors are docked, they are rotated in the opposite direction by a certain angle, so that the inlay piece and the inlay groove are in the same horizontal plane, and the docking hook is docked and engaged with the limiting slide rail, and then the inlay piece is flipped to be inserted into the inlay groove to form an inlay, and the rotating sleeve drives the protrusion to rotate under the extrusion force of the torsion spring, and after the inlay piece is inserted into the inlay groove, the outer side of the inlay piece is blocked by the protrusion, so that the inlay piece is not easy to be separated, and the first pair of connectors and the second pair of connectors cannot be rotated or separated after docking, thereby improving the docking convenience of the connector;

[0018] By providing a fastening structure, the fastening screw is flipped under the flipping structure of the rotating shaft seat and the rotating shaft rod, and is stuck in the inner side of the blocking hook, and then the fastening nut is tightened, and the ring is pushed under the threaded connection structure of the fastening screw and the fastening nut, and the second gear rod is stuck in the interior of the blocking hook. As the fastening nut is continuously tightened, the clamp will gradually shrink and reinforce the set of the sleeve joint and the water hose pipe, thereby improving the convenience of installation of the water hose pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of a partial cross-sectional structure of the present invention;

[0020] Figure 2 It is a schematic diagram of a three-dimensional local structure of the present invention;

[0021] Figure 3 It is a side view schematic diagram of the partial structure of the present invention;

[0022] Figure 4 For the present invention Figure 2 A schematic diagram of the enlarged structure of the local section at B in the middle;

[0023] Figure 5 It is a schematic diagram of a three-dimensional partial disassembly structure of the auxiliary docking structure of the present invention;

[0024] Figure 6 For the present invention Figure 1 A partial cross-section at the center is an enlarged structural diagram;

[0025] Figure 7 It is a schematic diagram of a three-dimensional partial structure of the fastening structure of the present invention;

[0026] Figure 8 It is a schematic diagram of the three-dimensional local structure of the fastening structure of the present invention.

[0027] In the figure: 1. first pair of joints; 2. second pair of joints; 3. sleeve joint; 4. hose pipe; 5. auxiliary docking structure; 501. docking hook; 502. inlay piece; 503. limit slide rail; 504. inlay groove; 505. first gear lever; 506. support column; 507. torsion spring; 508. clamping block; 509. rotating sleeve; 510. convex block; 511. clamping slot; 512. limit groove; 6. fastening structure; 601. clamping hoop; 602. rotating shaft seat; 603. rotating shaft rod; 604. fastening screw; 605. blocking hook; 606. collar; 607. second gear lever; 608. fastening nut; 609. anti-skid convex strip; 7. docking pipe. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-Figure 8, a fire hose connector provided by the present invention comprises a first pair of connectors 1 and a sleeve connector 3, a second pair of connectors 2 is arranged on one side of the first pair of connectors 1, a docking pipe 7 is fixedly connected to one side of the interior of the first pair of connectors 1, a sleeve connector 3 is fixedly connected to one side of the second pair of connectors 2, a water hose pipe 4 is sleeved on the outer side of the sleeve connector 3, and an auxiliary docking structure 5 is arranged on one side of both ends of the second pair of connectors 2, the auxiliary docking structure 5 comprises a docking hook 501, an inlay piece 502, a limiting slide rail 503, an inlay groove 504, a first gear rod 505, a support column 506, a torsion spring 507, a clamping block 508, a rotating sleeve 509, a protrusion 510, a clamping groove 511 and a limiting groove 512, the docking hook 501 is fixedly connected to one side of the inner side wall of the first pair of connectors 1, the interior of one side of both ends of the first pair of connectors 1 is hinged with an inlay piece 502, both ends of one side of the first pair of connectors 1 are fixedly connected to the limiting slide rail 503, and both ends of the second pair of connectors 2 One side of the interior is provided with an inlay groove 504, both ends of the second pair of joints 2 are fixedly connected with a first gear rod 505, a support column 506 is provided on one side of the first gear rod 505, a torsion spring 507 is sleeved on the outer side of the support column 506, one end of the support column 506 is fixedly connected with a clamping block 508, a rotating sleeve 509 is installed on the outer side of the torsion spring 507, one side of the rotating sleeve 509 is fixedly connected with a protrusion 510, a clamping groove 511 is provided inside one end of the rotating sleeve 509, and a limiting groove 512 is provided inside one side of the rotating sleeve 509, the inlay piece 502 and the first pair of joints 1 are in a hinged structure, the docking hook 501 and the limiting slide rail 503 are in a sliding structure, the inlay piece 502 and the inlay groove 504 are in an inlay structure, the inlay piece 502 is symmetrically distributed at both ends of the first pair of joints 1, the clamping block 508 and the clamping groove 511 are in a rotating structure, and the torsion spring 507 is elastically connected to the rotating sleeve 509 through the limiting groove 512.

[0030] See attached Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5When the fire hose connector is installed and used, the hose pipe 4 is sleeved on the outside of the sleeve joint 3 and tightened, and then the first pair of joints 1 and the second pair of joints 2 are connected, and then the hose pipe 4 is connected to fire hydrants and other fire-fighting equipment. When a fire occurs, the fire-fighting equipment is turned on to allow the fire-fighting water to flow to the fire through the hose installed on the connector, thereby playing a role in fire fighting. In this process, in order to facilitate the connection between the first pair of joints 1 and the second pair of joints 2 and reduce the installation time, a connection hook 501 and a limiting slide rail 503 are provided at the connection between the first pair of joints 1 and the second pair of joints 2. After the first pair of joints 1 and the second pair of joints 2 are connected, they are rotated in the opposite direction by a certain angle so that the inlay piece 502 and the inlay groove 504 are at the same level. The surface is formed, and the docking hook 501 is docked and engaged with the limiting slide rail 503, so that the first pair of joints 1 and the second pair of joints 2 cannot be normally separated, and then the inlay piece 502 is flipped over to make it stuck into the inside of the inlay groove 504 to form an inlay. At the same time, the outer side of the support column 506 is installed with the rotating sleeve 509 through the rotating structure of the clamping block 508 and the clamping groove 511, and one side of the torsion spring 507 is stuck into the inside of the limiting groove 512, so that the rotating sleeve 509 has a strong torsion force, and after the inlay piece 502 is stuck into the inside of the inlay groove 504, its outer side is blocked by the protrusion 510, so that the inlay piece 502 is not easy to separate, and the first pair of joints 1 and the second pair of joints 2 cannot be rotated or separated after docking, so that the docking of the first pair of joints 1 and the second pair of joints 2 is more convenient and stable.

[0031] A fastening structure 6 is installed on one side of the outer wall of the hose pipe 4, and the fastening structure 6 includes a clamp 601, a shaft seat 602, a shaft rod 603, a fastening screw 604, a blocking hook 605, a collar 606, a second gear rod 607, a fastening nut 608 and an anti-slip convex strip 609. The clamp 601 is sleeved on one side of the outer wall of the hose pipe 4, and the upper part of one end of the clamp 601 is fixedly connected to the shaft seat 602, and the inner part of the shaft seat 602 is rotatably connected to the shaft rod 603, and the bottom end of the shaft rod 603 is fixedly connected to the fastening screw 604, and the lower end of one end of the clamp 601 is fixedly connected to the shaft seat 602. A blocking hook 605 is fixedly connected, a ring 606 is sleeved under the outer side wall of the fastening screw 604, and a second gear rod 607 is fixedly connected on both sides of the ring 606. A fastening nut 608 is threadedly connected to the bottom end of the outer side wall of the fastening screw 604, and an anti-skid convex strip 609 is fixedly connected to the inner side wall of the clamp 601. The rotating shaft seat 602 and the rotating shaft rod 603 are in a flip structure, the rotating shaft rod 603 and the fastening screw 604 are perpendicular to each other, the fastening screw 604 and the fastening nut 608 are in a threaded connection structure, and the anti-skid convex strips 609 are distributed in a ring shape on the inner side wall of the clamp 601.

[0032] See attached Figure 1 , Figure 6 , Figure 7 and Figure 8When the pair of joints is installed and used, in order to facilitate the docking and reinforcement of the sleeve joint 3 and the water hose pipe 4, a clamp 601 is set on the outermost side of the sleeve joint 3, and the fastening screw 604 is flipped under the flipping structure of the shaft seat 602 and the shaft rod 603, and it is stuck in the inner side of the hook 605, and then the fastening nut 608 is tightened, and the fastening screw 604 and the fastening nut 608 are threadedly connected. The structure pushes the ring 606 and the second gear rod 607 is stuck in the interior of the hook 605. As the fastening nut 608 is continuously tightened, the clamp 601 will gradually shrink and reinforce the set of the sleeve joint 3 and the water hose pipe 4, so that the docking of the sleeve joint 3 and the water hose pipe 4 is more stable and convenient.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fire hose connector, comprising a first pair of connectors (1) and a sleeve connector (3); Features: A second pair of joints (2) is provided on one side of the first pair of joints (1), and a butt joint pipe (7) is fixedly connected to one side inside the first pair of joints (1); A sleeve joint (3) is fixedly connected to one side of the second pair of joints (2), and a water hose (4) is sleeved on the outer side of the sleeve joint (3). An auxiliary docking structure (5) is provided on one side of both ends of the second pair of joints (2). The auxiliary docking structure (5) comprises a docking hook (501), an inlay sheet (502), a limiting slide rail (503), an inlay groove (504), a first gear lever (505), a support column (506), a torsion spring (507), a clamping block (508), a rotating sleeve (509), a protrusion (510), a clamping groove (511) and a limiting groove (512). The docking hook (501) is fixedly connected to one side of the inner side wall of the first pair of joints (1); A fastening structure (6) is installed on one side of the outer side wall of the water hose pipe (4).

2. A fire hose connector according to claim 1, characterized in that: One side of both ends of the first pair of joints (1) is hingedly provided with an inlay piece (502), both ends of one side of the first pair of joints (1) are fixedly connected to a limiting slide rail (503), one side of both ends of the second pair of joints (2) is provided with an inlay groove (504), both ends of the second pair of joints (2) are fixedly connected to a first shift rod (505), one side of the first shift rod (505) is provided with a support column (506), the outer side of the support column (506) is sleeved with a torsion spring (507), one end of the support column (506) is fixedly connected with a clamping block (508), the outer side of the torsion spring (507) is installed with a rotating sleeve (509), one side of the rotating sleeve (509) is fixedly connected with a protrusion (510), one end of the rotating sleeve (509) is provided with a clamping groove (511), and one side of the rotating sleeve (509) is provided with a limiting groove (512).

3. A fire hose connector according to claim 2, characterized in that: The inlay piece (502) and the first pair of joints (1) are in a hinged structure, and the docking hook (501) and the limiting slide rail (503) are in a sliding structure.

4. A fire hose connector according to claim 2, characterized in that: The inlay pieces (502) and the inlay grooves (504) are in an inlay structure, and the inlay pieces (502) are symmetrically distributed at both ends of the first pair of joints (1).

5. A fire hose connector according to claim 2, characterized in that: The clamping block (508) and the clamping slot (511) are in a rotating structure, and the torsion spring (507) is elastically connected to the rotating sleeve (509) via the limiting slot (512).

6. A fire hose connector according to claim 1, characterized in that: The fastening structure (6) comprises a clamp (601), a rotating shaft seat (602), a rotating shaft rod (603), a fastening screw rod (604), a blocking hook (605), a collar (606), a second gear rod (607), a fastening nut (608) and an anti-slip convex strip (609); the clamp (601) is sleeved on one side of the outer wall of the water hose (4); the upper part of one end of the clamp (601) is fixedly connected to the rotating shaft seat (602); the interior of the rotating shaft seat (602) is rotatably connected to the rotating shaft rod (603).

7. A fire hose connector according to claim 6, characterized in that: The bottom end of the rotating shaft rod (603) is fixedly connected with a fastening screw rod (604), a stop hook (605) is fixedly connected below one end of the clamp (601), a collar (606) is sleeved below the outer wall of the fastening screw rod (604), and a second shift rod (607) is fixedly connected to both sides of the collar (606), a fastening nut (608) is threadedly connected to the bottom end of the outer wall of the fastening screw rod (604), and an anti-slip convex strip (609) is fixedly connected to the inner wall of the clamp (601).

8. A fire hose connector according to claim 6, characterized in that: The rotating shaft seat (602) and the rotating shaft rod (603) are in a flipping structure, and the rotating shaft rod (603) and the fastening screw rod (604) are perpendicular to each other.

9. A fire hose connector according to claim 6, characterized in that: The fastening screw (604) and the fastening nut (608) are in a threaded connection structure, and the anti-slip convex strips (609) are distributed in a ring shape on the inner side wall of the clamp (601).

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