Connecting device for butt joint of fire hose

Abstract

The utility model provides a connecting device for butt joint of fire hoses, and relates to the technical field of pipeline connection, the connecting device comprises a first clamping connector and a second clamping connector which are used for connecting the fire hoses, the opposite ends of the first clamping connector and the second clamping connector are provided with mounting cavities, and one end of the first clamping connector is provided with a plurality of first baffles at equal intervals in the circumferential direction; a first through groove is formed between every two adjacent first baffles, the first through grooves communicate with an inner cavity of the mounting cavity, a plurality of second baffles are arranged at one end of the second clamping head in the circumferential direction at equal intervals, a second through groove is formed between every two adjacent second baffles, and the second through grooves communicate with the inner cavity of the mounting cavity. An L-shaped first limiting plate and an L-shaped second limiting plate are arranged on the outer side walls of the first baffles and the outer side walls of the second baffles respectively, elastic telescopic pieces are arranged in the two installation cavities respectively, and the two elastic telescopic pieces are attached to the first limiting plate and the second limiting plate respectively. And the connection effect is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline connection, in particular to a connecting device for fire hose docking. Background Art

[0002] The fire hose connection device is a connector used to connect the fire hose. With the changes in technology, people's requirements for the fire hose connection device are getting higher and higher.

[0003] The existing fire hose docking connection device has certain drawbacks when in use. When the fire hose is pulled, the fire hose rotates due to the pulling, causing the buckle to fall off, which has certain adverse effects and brings certain impacts to people's use process.

[0004] Therefore, it is necessary to provide a new fire hose docking connection device to solve the above-mentioned technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a fire hose connection device.

[0006] The fire hose docking connection device provided by the utility model comprises a clamping joint 1 and a clamping joint 2 for connecting the fire hose, wherein the ends of the clamping joint 1 and the clamping joint 2 opposite to each other are both provided with an installation cavity, one end of the clamping joint 1 is provided with a plurality of baffles 1 at equal distances in the circumferential direction, a through groove 1 is formed between two adjacent baffles 1, and the through groove 1 is communicated with the inner cavity of the installation cavity, and one end of the clamping joint 2 is provided with a plurality of baffles 2 at equal distances in the circumferential direction, a through groove 2 is formed between two adjacent baffles 2, and the through groove 2 is communicated with the inner cavity of the installation cavity;

[0007] The outer side walls of the plurality of baffles one and the plurality of baffles two are respectively provided with an "L"-shaped first limit plate and a second limit plate, and elastic telescopic parts are respectively provided in the two installation cavities, and the two elastic telescopic parts are respectively fitted with the first limit plate and the second limit plate.

[0008] Furthermore, the inner walls of the plurality of baffle plates one and the inner walls of the plurality of baffle plates two are respectively provided with a first limiting groove and a second limiting groove, and the first limiting groove and the second limiting groove are respectively matched with the ends of the first limiting plate and the second limiting plate.

[0009] Furthermore, a first limiting block and a second limiting block are respectively disposed at the ends of the first limiting plate and the second limiting plate, and the first limiting block and the second limiting block are respectively engaged with the first limiting groove and the second limiting groove.

[0010] Furthermore, the elastic telescopic part includes a movable ring and a plurality of compression springs, the movable ring is located in the installation cavity, the plurality of compression springs are respectively arranged on the inner wall of the movable ring, and the two ends of the plurality of compression springs are respectively fixedly connected to the movable ring and the bottom wall of the installation cavity.

[0011] Furthermore, a first connecting ring and a second connecting ring for connecting the two are respectively provided at the center of the inner cavity of the first connecting ring and the second connecting ring, the inner side walls of the first connecting ring and the second connecting ring are inclined, and the inner side inclined surfaces of the first connecting ring and the second connecting ring are in contact with each other.

[0012] Furthermore, a positioning groove is provided on the edge of the first clamping joint, and a positioning ring is provided on the edge of the second clamping joint, and the positioning ring matches the positioning groove.

[0013] Compared with the related art, the fire hose docking connection device provided by the utility model has the following advantages:

[0014] Beneficial effects:

[0015] The first limit plate on the clamping joint 1 is passed through the through slot 2. At this time, the second limit plate on the clamping joint 2 is passed through the through slot 1. The first limit plate and the second limit plate squeeze the two elastic telescopic parts respectively. At the same time, the clamping joint 1 and the clamping joint 2 are rotated. The first limit plate and the second limit plate slide on the inner sides of the baffle 1 and the baffle 2 respectively. The first limit plate and the second limit plate are squeezed respectively under the rebound force of the elastic telescopic part, so that it is not easy to shake, and the connection between the clamping joint 1 and the clamping joint 2 is completed. The fixing effect can be increased when pulling outward, and the connection effect is further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the overall structure of the fire hose docking connection device provided by the utility model;

[0017] Figure 2 This is a structural schematic diagram of a card connector 1 provided by the utility model;

[0018] Figure 3 This is a structural schematic diagram of the second clamping connector provided by the utility model;

[0019] Figure 4 A schematic cross-sectional view of a fire hose docking connection device provided by the utility model;

[0020] Figure 5 for Figure 4 Schematic diagram of the enlarged structure at A shown.

[0021] Numbers in the figure: 1. Card connector 1; 2. Card connector 2; 3. Mounting cavity; 4. Baffle 1; 5. Through slot 1; 6. Baffle 2; 7. Through slot 2; 8. First limiting plate; 9. Second limiting plate; 10. First limiting groove; 11. Second limiting groove; 12. First limiting block; 13. Second limiting block; 14. Movable ring; 15. Compression spring; 16. First connecting ring; 17. Second connecting ring; 18. Positioning groove; 19. Positioning ring. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 ,in, Figure 1 A schematic diagram of the overall structure of the fire hose docking connection device provided by the utility model; Figure 2 This is a structural schematic diagram of a card connector 1 provided by the utility model; Figure 3 This is a structural schematic diagram of the second clamping connector provided by the utility model; Figure 4 A schematic cross-sectional view of a fire hose docking connection device provided by the utility model; Figure 5 for Figure 4 Schematic diagram of the enlarged structure at A shown.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", etc., etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features limited to "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0025] In the specific implementation process, Figure 1-Figure 5As shown, the fire hose docking connection device comprises a clamping joint 1 and a clamping joint 2 for connecting the fire hose, the clamping joint 1 and the clamping joint 2 are both provided with a mounting cavity 3 at one end thereof, a plurality of baffles 4 are provided at equal distances in the circumferential direction at one end of the clamping joint 1, a through groove 5 is formed between two adjacent baffles 4, and the through groove 5 is connected to the inner cavity of the mounting cavity 3, a plurality of baffles 6 are provided at equal distances in the circumferential direction at one end of the clamping joint 2, a through groove 7 is formed between two adjacent baffles 6, and the through groove 7 is connected to the inner cavity of the mounting cavity 3;

[0026] The outer walls of the plurality of baffles 1 4 and the plurality of baffles 2 6 are respectively provided with an L-shaped first limit plate 8 and a second limit plate 9, and both mounting cavities 3 are provided with elastic telescopic parts, which are respectively fitted with the first limit plate 8 and the second limit plate 9.

[0027] The inner walls of the plurality of baffles 1 4 and the inner walls of the plurality of baffles 2 6 are respectively provided with a first limiting groove 10 and a second limiting groove 11, the first limiting groove 10 and the second limiting groove 11 are respectively matched with the ends of the first limiting plate 8 and the second limiting plate 9, the ends of the first limiting plate 8 and the second limiting plate 9 are respectively provided with a first limiting block 12 and a second limiting block 13, the first limiting block 12 and the second limiting block 13 are respectively engaged with the first limiting groove 10 and the second limiting groove 11, the first limiting plate 8 on the clamping joint 1 is passed through the through groove 2 7, at this time, the second limiting plate 9 on the clamping joint 2 is passed through Through the through slot 1 5, the first limit plate 8 and the second limit plate 9 squeeze the two elastic telescopic parts respectively, and at the same time rotate the clamping joint 1 and the clamping joint 2, the first limit plate 8 and the second limit plate 9 slide on the inner sides of the baffle 1 4 and the baffle 2 6 respectively, when the first limit block 12 and the second limit block 13 slide to the positions of the first limit groove 10 and the second limit groove 11 respectively, the first limit block 12 and the second limit block 13 are driven by the rebound force of the compression spring 15 in the elastic telescopic part to respectively engage in the first limit groove 10 and the second limit groove 11, completing the connection between the clamping joint 1 and the clamping joint 2.

[0028] The elastic telescopic member includes a movable ring 14 and a plurality of compression springs 15. The movable ring 14 is located in the installation cavity 3. The plurality of compression springs 15 are respectively arranged on the inner wall of the movable ring 14. The two ends of the plurality of compression springs 15 are respectively fixedly connected to the movable ring 14 and the bottom wall of the installation cavity 3.

[0029] A first connecting ring 16 and a second connecting ring 17 for connecting the two are respectively provided at the center of the inner cavity of the clamping joint 1 and the clamping joint 2. The inner side walls of the first connecting ring 16 and the second connecting ring 17 are inclined, and the inner inclined surfaces of the first connecting ring 16 and the second connecting ring 17 fit together, which is helpful to prevent water overflow. A positioning groove 18 is also provided on the edge of the clamping joint 1, and a positioning ring 19 is provided on the edge of the clamping joint 2. The positioning ring 19 matches the positioning groove 18, and the positioning groove 18 and the positioning ring 19 have a double waterproof effect.

[0030] The working principle provided by the utility model is as follows: the first limit plate 8 on the clamping joint 1 is passed through the through groove 2 7, and the second limit plate 9 on the clamping joint 2 is passed through the through groove 1 5. The first limit plate 8 and the second limit plate 9 squeeze the two elastic telescopic parts respectively, and the clamping joint 1 and the clamping joint 2 are rotated at the same time. The first limit plate 8 and the second limit plate 9 slide on the inner sides of the baffle 1 4 and the baffle 2 6 respectively. When the first limit block 12 and the second limit block 13 slide to the positions of the first limit groove 10 and the second limit groove 11 respectively, the first limit block 12 and the second limit block 13 are driven by the rebound force of the compression spring 15 in the elastic telescopic part to respectively engage in the first limit groove 10 and the second limit groove 11, completing the connection between the clamping joint 1 and the clamping joint 2, further improving the connection and fixing effect, and at the same time, the inclined surfaces of the first connecting ring 16 and the second connecting ring 17 fit together, which is beneficial to preventing water from overflowing.

[0031] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A fire hose docking connection device, characterized in that: The invention comprises a clamping joint (1) and a clamping joint (2) for connecting a fire hose, wherein the ends of the clamping joint (1) and the clamping joint (2) opposite to each other are each provided with an installation cavity (3), one end of the clamping joint (1) is provided with a plurality of baffles (4) at equal distances in the circumferential direction, a through groove (5) is formed between two adjacent baffles (4), and the through groove (5) is communicated with the inner cavity of the installation cavity (3), one end of the clamping joint (2) is provided with a plurality of baffles (6) at equal distances in the circumferential direction, a through groove (7) is formed between two adjacent baffles (6), and the through groove (7) is communicated with the inner cavity of the installation cavity (3); The outer side walls of the plurality of baffles one (4) and the plurality of baffles two (6) are respectively provided with an "L"-shaped first limit plate (8) and a second limit plate (9), and the two installation cavities (3) are both provided with elastic telescopic parts, and the two elastic telescopic parts are respectively fitted with the first limit plate (8) and the second limit plate (9).

2. The fire hose docking connection device according to claim 1, characterized in that: The inner walls of the plurality of baffle plates one (4) and the inner walls of the plurality of baffle plates two (6) are respectively provided with a first limiting groove (10) and a second limiting groove (11), and the first limiting groove (10) and the second limiting groove (11) are respectively matched with the ends of the first limiting plate (8) and the second limiting plate (9).

3. The fire hose docking connection device according to claim 2, characterized in that: A first limiting block (12) and a second limiting block (13) are respectively provided at the ends of the first limiting plate (8) and the second limiting plate (9); the first limiting block (12) and the second limiting block (13) are respectively engaged with the first limiting groove (10) and the second limiting groove (11).

4. The fire hose docking connection device according to claim 3, characterized in that: The elastic telescopic member comprises a movable ring (14) and a plurality of compression springs (15); the movable ring (14) is located in the installation cavity (3); the plurality of compression springs (15) are respectively arranged on the inner side wall of the movable ring (14); and the two ends of the plurality of compression springs (15) are respectively fixedly connected to the movable ring (14) and the bottom wall of the installation cavity (3).

5. The fire hose docking connection device according to claim 4, characterized in that: A first connecting ring (16) and a second connecting ring (17) for connecting the two are respectively provided at the center of the inner cavity of the clamping joint 1 (1) and the clamping joint 2 (2); the inner side walls of the first connecting ring (16) and the second connecting ring (17) are inclined, and the inner side inclined surfaces of the first connecting ring (16) and the second connecting ring (17) are in contact with each other.

6. The fire hose docking connection device according to claim 5, characterized in that: The edge of the first clamping joint (1) is also provided with a positioning groove (18), and the edge of the second clamping joint (2) is provided with a positioning ring (19), and the positioning ring (19) matches the positioning groove (18).

Images