Fire-fighting pipeline connector for building

Abstract

The utility model discloses a building fire-fighting pipeline connector which comprises a center butt joint sleeve, positioning frames are fixedly installed on the top and the bottom of the center butt joint sleeve respectively, annular grooves are formed in the centers of the two positioning frames respectively, two screw rods are rotationally connected to the center butt joint sleeve, and driving parts are installed in the annular grooves. The two screw rods are driven to rotate by rotating the driving piece, so that the two pipeline positioning pieces are driven to relatively move and slide along the inner part between the two positioning frames, and the two butt-joint pipelines are driven to be relatively inserted into the inner part of the central butt-joint sleeve to realize fastening butt-joint, so that the installation is completed; at the moment, the center butt joint sleeve conducts sealing and stable connection on butt joint ports of the butt joint pipelines, and the pipeline positioning pieces on the two sides achieve auxiliary stable positioning on the two butt joint pipelines, so that the device has the advantages that the pipelines are stably connected and positioned, the connection stability is guaranteed under the change of water pressure, butt joint operation is more flexible, and the butt joint efficiency is improved. And the operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of fire protection pipe connection, and more specifically to a fire protection pipe connector for buildings. Background Art

[0002] With the development of modern society, in order to improve the safety of buildings, fire-fighting pipes need to be installed on buildings. In the process of connecting fire-fighting pipes, pipe connectors are needed to dock and position the ends of two pipes.

[0003] However, the structure of the current pipe connector is relatively simple, and generally only the joint is sealed. When the water pressure inside the high-pressure pipe changes, the joint is subjected to stress changes, which may cause shaking, resulting in an unstable connection. When docking, when docking the ends of the pipe 7, the pipe is heavier. The current docking joint requires the two ends to be docked with the connector one by one, which is cumbersome and inconvenient to use. Utility Model Content

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a fire protection pipe connector for buildings, which can achieve stable pipe connection positioning, ensure connection stability under water pressure changes, and make docking operation more flexible.

[0005] To achieve the above purpose, the utility model adopts the following technical solution.

[0006] A fire protection pipe connector for buildings comprises a central butt sleeve, wherein positioning frames are fixedly mounted on the top and bottom of the central butt sleeve, an annular groove is provided at the centers of the two positioning frames, two screws are rotatably connected to the central butt sleeve, a driving member is installed inside the annular groove, the driving member is connected and cooperated with the two screws, two pipe positioning members are slidably connected between the two positioning frames, the two ends of the two screws are respectively threadedly connected and cooperated with the pipe positioning members on both sides, a butt pipe is clamped and fixed between the two pipe positioning members, and the opposite ends of the two butt pipes are inserted into the interior of the central butt sleeve.

[0007] As a further description of the above technical solution: the driving member includes a rotating ring, an internal gear ring and two gears, the two gears are fixedly connected to the outer sides of the two screws respectively, the inner side of the rotating ring is rotatably connected to the inside of the ring groove, the outer side of the internal gear ring is fixedly connected to the inside of the rotating ring, and the inner side of the internal gear ring is meshed with the outer sides of the two gears.

[0008] As a further description of the above technical solution: the pipeline positioning member includes two sliding semi-arc blocks, two groups of fastening springs and two fastening bolts, the opposite sides of the two sliding semi-arc blocks are respectively slidably connected to the two positioning frames, the two groups of fastening springs are respectively fixed to the two sides of the two sliding semi-arc blocks, the fastening springs on the same side are threadedly connected by fastening bolts, the opposite sides of the two sliding semi-arc blocks are clamped on the outside of the docking pipe, the end of the screw is inserted into one side of the sliding semi-arc block and threadedly connected to it, and the internal threads of the sliding semi-arc blocks on both sides are set in opposite directions.

[0009] As a further description of the above technical solution: two groups of connecting ear blocks are installed on the opposite sides of the two positioning frames, and the connecting ear blocks are provided with mounting holes.

[0010] As a further description of the above technical solution: a central sealing ring is fixedly connected to the center of the central docking sleeve, and opposite ends of the two docking pipes are in contact with and extruded into the central sealing ring.

[0011] As a further description of the above technical solution: a friction layer is arranged on the inner side of the sliding semi-arc block.

[0012] Compared with the prior art, the advantages of the present invention are:

[0013] This solution uses a positioning frame and a center docking sleeve as the main structure for connecting and positioning the pipeline, and is used in conjunction with a driving member and a pipeline positioning member, thereby achieving the advantages of stable connection and positioning of the pipeline, ensuring connection stability under changes in water pressure, and making the docking operation more flexible and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0015] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0016] Figure 3 It is a side cross-sectional structural schematic diagram of the utility model;

[0017] Figure 4 It is a partial side cross-sectional structural schematic diagram of the utility model.

[0018] Description of the numbers in the figure:

[0019] 1. Center docking sleeve; 2. Positioning frame; 21. Connecting ear block; 22. Mounting hole; 3. Ring groove; 4. Screw; 5. Driving member; 51. Rotating ring; 52. Internal gear ring; 53. Gear; 6. Pipeline positioning member; 61. Sliding semi-arc block; 611. Friction layer; 62. Fastening spring piece; 63. Fastening bolt; 7. Docking pipe; 8. Center sealing ring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] See also Figures 1 to 4 In the utility model, a fire protection pipe connector for a building includes a central docking sleeve 1, a positioning frame 2 is fixedly installed on the top and the bottom of the central docking sleeve 1, and an annular groove 3 is opened at the center of the two positioning frames 2. Two screws 4 are rotatably connected to the central docking sleeve 1, and a driving member 5 is installed inside the annular groove 3. The driving member 5 is connected and matched with the two screws 4. Two pipe positioning members 6 are slidably connected between the two positioning frames 2. The two ends of the two screws 4 are respectively threadedly connected and matched with the pipe positioning members 6 on both sides. A docking pipe 7 is clamped and fixed between the two pipe positioning members 6, and the opposite ends of the two docking pipes 7 are inserted into the interior of the central docking sleeve 1.

[0022] In the utility model, the center docking sleeve 1 is used as the device connection body. When in use, firstly, the two positioning frames 2 are positioned and connected with the external fixing part, and then the left and right pipes are respectively plugged into the inside of the two pipe positioning members 6 in turn, and the ends of the two docking pipes 7 are respectively inserted into the inside of the center docking sleeve 1 from both sides. At this time, the pipe pre-installation is completed, and then the pipe positioning members 6 are locked to position and lock the two docking pipes 7, and then the driving member 5 is rotated to drive the two screw rods 4 to rotate, so as to drive the two pipe positioning members 6 to slide relatively along the inside between the two positioning frames 2, so as to drive the two docking pipes 7 to be relatively inserted into the inside of the center docking sleeve 1 to achieve tight docking, and the installation is completed. At this time The central docking sleeve 1 seals and firmly connects the docking port of the docking pipe 7, while the pipe positioning members 6 on both sides realize auxiliary and firm positioning of the two docking pipes 7, so that the device has the advantages of stable connection and positioning of the pipes, ensuring connection stability under water pressure changes, and more flexible and convenient docking operation. It solves the problem that the prior art generally only seals the joints, and when the water pressure inside the high-pressure pipe changes, the joints are subjected to stress changes, which may cause shaking and cause unstable connection, and when docking, when the ends of the docking pipes 7 are docked, the pipes are heavier. The current docking joints need to dock the two ends with the connector one by one, which is cumbersome to operate and inconvenient to use.

[0023] See also Figure 2, wherein: the driving member 5 includes a rotating ring 51, an inner gear ring 52 and two gears 53, the two gears 53 are fixedly connected to the outer sides of the two screw rods 4 respectively, the inner side of the rotating ring 51 is rotatably connected to the inside of the ring groove 3, the outer side of the inner gear ring 52 is fixedly connected to the inside of the rotating ring 51, and the inner side of the inner gear ring 52 is meshed with the outer sides of the two gears 53.

[0024] In the utility model, the rotating ring 51 is driven to rotate, so as to drive the inner gear ring 52 to rotate, so as to drive the two gears 53 to rotate synchronously, so as to drive the two screw rods 4 to rotate, so as to drive the pipeline positioning members 6 on both sides to move relative to each other, so as to drive the two docking pipes 7 to move relative to each other, so as to realize synchronous and efficient docking, flexible operation and good docking stability.

[0025] See also Figure 1 and Figure 4 , wherein: the pipeline positioning member 6 includes two sliding semi-arc blocks 61, two groups of fastening springs 62 and two fastening bolts 63, the opposite sides of the two sliding semi-arc blocks 61 are respectively slidably connected with the two positioning frames 2, the two groups of fastening springs 62 are respectively fixed to the two sides of the two sliding semi-arc blocks 61, the fastening springs 62 on the same side are threadedly connected by the fastening bolts 63, the opposite sides of the two sliding semi-arc blocks 61 are clamped on the outside of the docking pipe 7, the end of the screw rod 4 is inserted into one side of the sliding semi-arc block 61 and threadedly connected thereto, and the internal threads of the sliding semi-arc blocks 61 on both sides are arranged in opposite directions.

[0026] In the utility model, the sliding semi-arc block 61 is used as the preliminary clamping of the docking pipe 7, and then the two sets of fastening springs 62 are tightened by the fastening bolts 63 to fasten and clamp the docking pipe 7, thereby ensuring the stability of the docking pipe 7 during docking.

[0027] See also Figure 1 and Figure 3 , wherein: two sets of connecting ear blocks 21 are installed on the opposite sides of the two positioning frames 2, and the connecting ear blocks 21 are provided with mounting holes 22.

[0028] In the utility model, the positioning frame 2 can be conveniently installed and positioned by connecting the ear block 21 and the mounting hole 22 .

[0029] See also Figure 1 and Figure 3 , wherein: a central sealing ring 8 is fixedly connected to the center of the central docking sleeve 1, and opposite ends of the two docking pipes 7 are in contact with the central sealing ring 8 for extrusion fit.

[0030] In the utility model, the central sealing ring 8 makes the sealing performance of the ports better when the two butt-joint pipes 7 are butt-jointed.

[0031] See also Figure 1, wherein: a friction layer 611 is provided on the inner side of the sliding semi-arc block 61 .

[0032] In the utility model, the friction layer 611 makes the contact friction between the sliding semi-arc block 61 and the outer side of the docking pipe 7 larger, and the clamping stability is better.

[0033] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A fire protection pipe connector for buildings, comprising a central butt joint sleeve (1), characterized in that: Positioning frames (2) are fixedly installed on the top and bottom of the central docking sleeve (1), and an annular groove (3) is opened at the center of the two positioning frames (2). Two screw rods (4) are rotatably connected to the central docking sleeve (1), and a driving member (5) is installed inside the annular groove (3). The driving member (5) is connected and matched with the two screw rods (4). Two pipe positioning members (6) are slidably connected between the two positioning frames (2), and the two ends of the two screw rods (4) are respectively threadedly connected and matched with the pipe positioning members (6) on both sides. A docking pipe (7) is clamped and fixed between the two pipe positioning members (6), and the opposite ends of the two docking pipes (7) are inserted into the interior of the central docking sleeve (1).

2. A fire protection pipe connector for buildings according to claim 1, characterized in that: The driving member (5) comprises a rotating ring (51), an inner gear ring (52) and two gears (53); the two gears (53) are respectively fixedly connected to the outer sides of the two screw rods (4); the inner side of the rotating ring (51) is rotatably connected to the inside of the ring groove (3); the outer side of the inner gear ring (52) is fixedly connected to the inside of the rotating ring (51); and the inner side of the inner gear ring (52) is meshed with the outer sides of the two gears (53).

3. A fire protection pipe connector for buildings according to claim 1, characterized in that: The pipeline positioning member (6) comprises two sliding semi-arc blocks (61), two groups of fastening spring sheets (62) and two fastening bolts (63). The opposite sides of the two sliding semi-arc blocks (61) are respectively slidably connected to the two positioning frames (2). The two groups of fastening spring sheets (62) are respectively fixed to the two sides of the two sliding semi-arc blocks (61). The fastening spring sheets (62) on the same side are both threadedly connected through the fastening bolts (63). The opposite sides of the two sliding semi-arc blocks (61) are clamped on the outside of the docking pipeline (7). The end of the screw rod (4) is inserted into one side of the sliding semi-arc block (61) and threadedly connected thereto. The internal threads of the sliding semi-arc blocks (61) on both sides are arranged in opposite directions.

4. A fire protection pipe connector for buildings according to claim 1, characterized in that: Two groups of connecting ear blocks (21) are installed on opposite sides of the two positioning frames (2), and the connecting ear blocks (21) are provided with mounting holes (22).

5. A fire protection pipe connector for buildings according to claim 1, characterized in that: A central sealing ring (8) is fixedly connected to the center of the central docking sleeve (1), and opposite ends of the two docking pipes (7) are in contact with and extruded into the central sealing ring (8).

6. A fire protection pipe connector for buildings according to claim 3, characterized in that: A friction layer (611) is provided on the inner side of the sliding semi-arc block (61).

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