Fire hose locking connector

Abstract

The utility model discloses a fire hose locking interface, and particularly relates to the technical field of fire hoses, the fire hose locking interface comprises a joint, the two ends of the joint are symmetrically provided with threaded connectors, and the two ends of the joint are provided with locking rings outside the threaded connectors; one end of the fire hose is provided with a threaded connecting seat, and the threaded connecting seat is connected to the threaded connector in a screwed mode. According to the utility model, the threaded connecting seat is connected with the threaded connector in a screwing manner, and the end part of the threaded connecting seat is inserted and matched between the locking ring and the threaded connector, so that a fire hose can be connected to the connector, and under the matching of the structures such as the annular cavity, the driving assembly, the positioning column and the positioning hole, the fire hose can be conveniently and quickly connected; when the water hose connector is locked, the multiple sets of positioning columns can be controlled to stretch out of the annular cavity and be inserted into the positioning holes in the threaded connecting base, and therefore the threaded connecting base can be further locked to the locking ring, locking operation at the water hose connector can be effectively achieved, and stability and safety at the connector are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire hose technical field, concretely relates to a fire hose locking connector. BACKGROUND

[0002] Fire hose is used to carry high pressure water or foam etc. Flame retardant liquid hose. The traditional fire hose is lined with rubber, and the outer surface is wrapped with linen braid. Advanced fire hose is made of polyurethane etc. Polymer material, both ends of the fire hose have metal joints, which can be connected to another hose to extend the distance or connected to a nozzle to increase the liquid injection pressure.

[0003] At present, the existing fire hose locking connector mostly adopts the threaded connection mode to realize the connection locking between two components, but the high water pressure or large pressure change is easy to cause the relative movement of the thread, so that the two components are loose and separated, thereby greatly affecting the stability and safety of the interface. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of fire hose locking connectors, by screwing and connecting thread connection seat and threaded connector, and make the end of thread connection seat is inserted and cooperates between locking ring and threaded connector, can connect fire hose on connector, and under the cooperation of annular cavity, drive assembly, positioning column and positioning hole structure, multiple positioning columns can be controlled to extend annular cavity and be inserted in the positioning hole on thread connection seat, so that thread connection seat can be further locked on locking ring, in turn effectively realize the locking operation of water hose interface, greatly improve the stability of interface, to solve the above deficiencies in technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of fire hose locking connector, comprising:

[0006] Connector, the both ends of the connector are symmetrically provided with threaded connector, and the both ends of the connector are provided with locking ring outside threaded connector;

[0007] Fire hose, one end of the fire hose is provided with thread connection seat, and the thread connection seat is screwing and connected on threaded connector;

[0008] Annular cavity, the annular cavity is arranged between the inside and the outside of locking ring, and the inside of annular cavity is annular array and is connected with multiple positioning columns, the sidewall of thread connection seat is annular array and is provided with multiple positioning holes towards positioning column, and one end between the multiple positioning columns extending to the inside of annular cavity is provided with drive assembly, and drive assembly is used to drive multiple positioning columns synchronous motion.

[0009] Preferably, the driving assembly comprises a fixed ring rotatably installed in the annular cavity, and the inner wall of the annular cavity is rotatably connected with a plurality of threaded rods towards the positioning column through a bearing on the side close to the fixed ring, one end of the positioning column is threadedly connected to the threaded rod, and a guide assembly is arranged on the positioning column, a gear is fixed to one end of the threaded rod relative to the positioning column, the side wall of the fixed ring is provided with a gear ring engaged with the plurality of gears, and the top end of the locking ring is rotatably provided with a fixed handle, and the bottom end of the fixed handle is connected with one of the threaded rods.

[0010] Preferably, the guide assembly comprises a guide column fixedly connected to one end of the positioning column, and a plurality of guide grooves matched with the guide columns are formed in the inner side of the annular cavity.

[0011] Preferably, the outer side of the fixed ring is provided with a plurality of sliding blocks, and the inner wall of the annular cavity is provided with sliding grooves matched with the sliding blocks.

[0012] Preferably, one end of the threaded connecting seat close to the side of the locking ring is provided with a stop ring, and the side wall of the stop ring is provided with a rubber ring towards the stop ring.

[0013] Preferably, the end of the threaded connecting seat is inserted and matched between the locking ring and the threaded connecting head.

[0014] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0015] By threadedly connecting the threaded connecting seat and the threaded connecting head, and inserting and matching the end of the threaded connecting seat between the locking ring and the threaded connecting head, the fire hose can be connected to the connector, and under the cooperation of the annular cavity, the driving assembly, the positioning column and the positioning hole, a plurality of positioning columns can be controlled to extend out of the annular cavity and be inserted into the positioning hole on the threaded connecting seat, so that the threaded connecting seat can be further locked on the locking ring, and the locking operation at the hose connector can be effectively realized, thereby greatly improving the stability and safety of the connector. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments or prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the connector and the fire hose separation of the utility model;

[0019] Figure 3It is a three-dimensional structure schematic view of the joint of the utility model;

[0020] Figure 4 It is an internal structure schematic view of the locking ring of the utility model;

[0021] Figure 5 It is an explosion view of the locking ring and the fixed ring of the utility model.

[0022] Mark explanation:

[0023] 1, joint; 2, threaded connector; 3, locking ring; 4, threaded connecting seat; 5, fire hose; 6, blocking ring; 7, annular cavity; 8, positioning column; 9, positioning hole; 10, fixed ring; 11, tooth ring; 12, gear; 13, threaded rod; 14, fixed handle; 15, sliding block; 16, sliding slot; 17, guide column; 18, guide slot. Specific implementation

[0024] In order to make the technical personnel in the field better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in combination with the drawings.

[0025] The utility model provides a kind of fire hose locking interface as Figures 1-5 As shown in formula, including:

[0026] Joint 1, the two ends of joint 1 are symmetrically provided with threaded connector 2, and the two ends of joint 1 are provided with locking ring 3 outside threaded connector 2;

[0027] Fire hose 5, one end of fire hose 5 is provided with threaded connecting seat 4, and threaded connecting seat 4 is screw-connected on threaded connector 2;

[0028] One end of threaded connecting seat 4 is provided with blocking ring 6 close to one side of locking ring 3, and the side wall of blocking ring 6 is provided with rubber ring towards blocking ring 6. By setting blocking ring 6 against the side wall of locking ring 3, and cooperating with rubber ring, the sealing and waterproof performance of interface can be greatly strengthened.

[0029] The end of threaded connecting seat 4 is inserted and matched between locking ring 3 and threaded connector 2.

[0030] Annular cavity 7, annular cavity 7 is arranged between the inside and the outside of locking ring 3, and the inside of annular cavity 7 is connected with a plurality of positioning columns 8 in annular array, the side wall of threaded connecting seat 4 is provided with a plurality of positioning holes 9 towards positioning column 8 in annular array, a plurality of positioning columns 8 are provided with driving assembly between one end extending to the inside of annular cavity 7, and driving assembly is used to drive a plurality of positioning columns 8 to move synchronously.

[0031] The driving assembly comprises a fixed ring 10 rotatably installed in the annular cavity 7, the inner wall of the annular cavity 7 is rotatably connected with a plurality of threaded rods 13 towards the positioning column 8 through bearings on the side close to the fixed ring 10, one end of the positioning column 8 is threadedly connected on the threaded rod 13, and the positioning column 8 is provided with a guide assembly, the threaded rod 13 is fixed with a gear 12 on the end opposite to the positioning column 8, the side wall of the fixed ring 10 is provided with a gear ring 11 engaged with the plurality of gears 12, the top end of the locking ring 3 is rotatably installed with a fixed handle 14, and the bottom end of the fixed handle 14 is connected with one of the threaded rods 13.

[0032] In use, the threaded connecting seat 4 is screwed on the threaded connecting head 2, the end of the threaded connecting seat 4 is inserted and matched between the locking ring 3 and the threaded connecting head 2, so that the fire hose 5 can be connected to the connector 1, then the fixed handle 14 is twisted to drive the threaded rod 13 to rotate, the threaded rod 13 drives the gear ring 11 to move through the gear 12, the gear ring 11 drives the fixed ring 10 to rotate, then the fixed ring 10 drives the plurality of gears 12 to rotate through the gear ring 11, so that the plurality of threaded rods 13 drive the positioning column 8 to move, the positioning column 8 extends out of the annular cavity 7 and is inserted into the positioning hole 9 on the threaded connecting seat 4, so that the threaded connecting seat 4 can be further locked on the locking ring 3, thereby effectively realizing the locking operation of the hose connector, and greatly improving the stability of the connector.

[0033] The guide assembly comprises a guide column 17 fixedly connected to one end of the positioning column 8, and the inner side of the annular cavity 7 is provided with a plurality of guide grooves 18 matched with the guide column 17. Based on this, by arranging the guide column 17 and the guide groove 18, the positioning column 8 can drive the guide column 17 to slide along the guide groove 18, so that the stable linear movement of the positioning column 8 can be ensured.

[0034] The outer side of the fixed ring 10 is provided with a plurality of sliding blocks 15, and the inner wall of the annular cavity 7 is provided with sliding grooves 16 matched with the sliding blocks 15. Based on this, by arranging the sliding block 15 and the sliding groove 16, the fixed ring 10 can drive the sliding block 15 to slide in the sliding groove 16, so that the stability of the fixed ring 10 during rotation can be greatly improved.

[0035] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above description and drawings are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present application.

Claims

1. A fire hose lock joint, characterized in that, The utility model relates to a fire hose joint structure, including: Joint (1), both ends of the joint (1) are symmetrically provided with threaded connectors (2), and both ends of the joint (1) are provided with locking rings (3) outside the threaded connectors (2); Fire hose (5), one end of the fire hose (5) is provided with a threaded connecting seat (4), and the threaded connecting seat (4) is screwed on the threaded connector (2); Annular cavity (7), the annular cavity (7) is arranged between the inside and the outside of the locking ring (3), and the inside of the annular cavity (7) is annularly arranged with a plurality of positioning columns (8), the side wall of the threaded connecting seat (4) is annularly provided with a plurality of positioning holes (9) towards the positioning columns (8), and the plurality of positioning columns (8) are provided with a driving assembly between the ends extending to the inside of the annular cavity (7), and the driving assembly is used to drive the plurality of positioning columns (8) to move synchronously.

2. The fire hose locking connector of claim 1, wherein: The driving assembly includes a fixed ring (10) rotatably installed in the annular cavity (7), and a plurality of threaded rods (13) towards the positioning columns (8) are rotatably connected to the side wall of the annular cavity (7) close to the fixed ring (10) through bearings, one end of the positioning column (8) is screwed on the threaded rod (13), and a guide assembly is arranged on the positioning column (8), one end of the threaded rod (13) is fixedly provided with a gear (12) relative to the positioning column (8), the side wall of the fixed ring (10) is provided with a gear ring (11) engaged with the plurality of gears (12), and the top end of the locking ring (3) is rotatably provided with a fixed handle (14), and the bottom end of the fixed handle (14) is connected with one of the threaded rods (13).

3. A fire hose lock coupling according to claim 2, wherein: The guide assembly includes a guide column (17) fixedly connected to one end of the positioning column (8), and the inside of the annular cavity (7) is provided with a plurality of guide grooves (18) matched with the guide column (17).

4. The fire hose lock coupling of claim 2, wherein: The outside of the fixed ring (10) is provided with a plurality of sliding blocks (15), and the inner wall of the annular cavity (7) is provided with sliding grooves (16) matched with the sliding blocks (15).

5. The fire hose lock joint of claim 1, wherein: One end of the threaded connecting seat (4) is provided with a blocking ring (6) on one side close to the locking ring (3), and the side wall of the blocking ring (6) is provided with a rubber ring towards the blocking ring (6).

6. The fire hose lock joint of claim 1, wherein: The end of the threaded connecting seat (4) is inserted and matched between the locking ring (3) and the threaded connector (2).

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