Fabricated fire-fighting pipeline

By installing anti-loosening components and dustproof marking components on fire protection pipelines, the problem of unstable connection caused by easy loosening of nuts is solved, realizing the stability of pipeline connection and clear readability of information, and ensuring the normal operation of the fire protection system.

CN223725719UActive Publication Date: 2025-12-26SHENYANG UNIV
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Patent Information

Application Number
CN202521000527.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-21
Publication Date
2025-12-26
Estimated Expiration
2035-05-21

AI Technical Summary

Technical Problem

When existing fire protection pipelines are subjected to vibration and pressure changes, the nuts are prone to loosening, resulting in poor stability at the connection, easy leakage, and affecting the normal operation of the fire protection system.

Method used

Anti-loosening components are used, including a fixing ring, a rotating ring, a pull rope, a baffle, and a spring. The relative rotation of the nut and bolt is restricted by the limiting plate to ensure a stable connection. At the same time, the dustproof marking component ensures that the information is clearly readable through fluorescent signs and dust covers.

Benefits of technology

It effectively prevents nuts from loosening on bolts, ensures the stability of pipe connections, prevents leaks, facilitates reading pipe information in low-light environments, and supports the normal operation and maintenance of fire protection systems.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fire-fighting pipelines, and discloses an assembly type fire-fighting pipeline which comprises two pipelines, flange plates are fixedly connected to the outer sides of the pipelines, a bolt is rotatably connected between the two flange plates, a nut is connected to the outer side of the bolt in a threaded mode, and an anti-loosening assembly is arranged on the outer side of the bolt and the outer side of the nut. A dustproof identification assembly is arranged on the outer side of the pipeline, the anti-loosening assembly comprises a fixing ring, the outer side of the fixing ring is fixedly connected to the outer side of the flange plate, and a rotating ring is rotationally connected into the fixing ring. Through mutual cooperation of the rotating ring, the pull rope, the spring, the baffle, the fixing ring, the limiting plate, the nut, the bolt and the like, the nut cannot loosen on the bolt when the fire fighting pipeline is subjected to external force such as vibration and pressure change, so that the stability of connection of the two pipelines through the flange plate is guaranteed, and the service life of the pipeline is prolonged. Leakage at a pipeline joint is prevented, and normal operation of a fire extinguishing system at a critical moment is ensured.
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Description

Technical Field

[0001] This utility model relates to the technical field of fire protection pipelines, and in particular to a prefabricated fire protection pipeline. Background Technology

[0002] Firefighting pipelines are an important component of fire protection systems, typically made of materials such as hot-dip galvanized steel pipes. They are responsible for transporting firefighting water or other extinguishing agents, and are characterized by high pressure resistance and corrosion resistance. In the event of a fire, they can quickly and effectively deliver extinguishing agents to designated locations to extinguish the fire and protect life and property.

[0003] In existing technologies, fire protection pipelines often use conventional bolt and nut connections to flanges. When fire protection pipelines are subjected to external forces such as vibration and pressure changes, the nuts are prone to loosening on the bolts, resulting in poor stability at the connection between the two pipelines and easy leakage, which seriously affects the normal operation of the fire protection system during a fire.

[0004] To address the above problems, a prefabricated fire protection pipeline is proposed. Summary of the Invention

[0005] To overcome the above shortcomings, this utility model provides a prefabricated fire protection pipeline. The purpose is to improve the problem that in the existing technology, prefabricated fire protection pipelines often use conventional bolt and nut connections to flanges. When the fire protection pipeline is subjected to external forces such as vibration and pressure changes, the nuts are prone to loosening on the bolts, resulting in poor stability at the connection between the two pipelines, easy leakage, and serious impact on the normal operation of the fire protection system during a fire.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A prefabricated fire protection pipeline includes two pipes. Flanges are fixedly connected to the outer sides of the pipes, and bolts are rotatably connected between the two flanges. Nuts are threaded onto the outer sides of the bolts. Anti-loosening components are provided on the outer sides of the bolts and nuts. Dustproof marking components are provided on the outer sides of the pipes. The anti-loosening components include a fixing ring, which is fixedly connected to the outer side of the flange. A rotating ring is rotatably connected inside the fixing ring. Multiple pull ropes are fixedly connected to the outer side of the rotating ring. A baffle is fixedly connected to the end of each pull rope away from the rotating ring. A limit plate is fixedly connected to the outer side of the baffle, and a spring is sleeved on the outer side of each pull rope.

[0008] Preferably, the dustproof marking assembly includes a support plate, the outer side of which is fixedly connected to the outer side of the pipe, a fluorescent marking plate is fixedly connected to the inner wall of the support plate, two fixing blocks are fixedly connected to the outer side of the support plate, a rotating rod is rotatably connected between the two fixing blocks, a dustproof cover is fixedly connected to the middle of the outer side of the rotating rod, and a torsion spring is sleeved on the outer side of the rotating rod.

[0009] Preferably, a plurality of limiting grooves are formed in the inner part of the fixing ring, and the baffle is slidably connected to the outside of the limiting grooves.

[0010] Preferably, one end of the spring is fixedly connected to the inner wall of the limiting groove, and the other end of the spring is fixedly connected to the outside of the baffle.

[0011] Preferably, the limiting plate is slidably connected to the inner part of the fixing ring, the outer side of the fixing ring is arranged on the outside of the bolt, and the outer side of the fixing ring is arranged on the outside of the nut.

[0012] Preferably, the outer side of the rotating ring is fixedly connected with a handle.

[0013] Preferably, one end of the torsion spring is fixedly connected to the outside of the dust cover, and the other end of the torsion spring is fixedly connected to the outside of the fixing block.

[0014] Preferably, the dust cover is fixedly connected with a handle.

[0015] Due to the above technical scheme, the utility model has the following beneficial effects:

[0016] The utility model discloses a fixing ring, a limiting plate, a baffle, a spring, a bolt, a nut and a rotating ring are arranged on the fixing ring, the limiting plate is slidably connected to the inner part of the fixing ring, the baffle is slidably connected to the outer side of the limiting plate, the spring is fixedly connected to the inner wall of the limiting groove, one end of the spring is fixedly connected to the outer side of the baffle, and the other end of the spring is fixedly connected to the outer side of the limiting plate.

[0017] By holding the handle, the elastic force of the torsion spring is overcome, the dust cover is rotated, and the fluorescent signboard is exposed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A perspective view of an assembled fire-fighting pipeline is provided for the utility model;

[0019] Figure 2 A structure schematic view of a limiting plate of an assembled fire-fighting pipeline is provided for the utility model;

[0020] Figure 3 A structure schematic view of an assembled fire-fighting pipeline is provided for the utility model;

[0021] Figure 4 A structure schematic view of a torsion spring of an assembled fire-fighting pipeline is provided for the utility model.

[0022] Legend:

[0023] 1, pipe; 2, flange plate; 3, bolt; 4, nut; 5, fixed ring; 6, rotating ring; 7, handle; 8, pull rope; 9, baffle; 10, spring; 11, limiting plate; 12, limiting groove; 13, support plate; 14, fluorescent signboard; 15, dust cover; 16, torsional spring; 17, rotating rod; 18, fixed block; 19, handle. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Referring to Figures 1-4 The utility model provides a kind of fabricated fire protection pipeline, including two pipes 1, pipe 1 outside is fixedly connected with flange plate 2, two flange plates 2 are rotatably connected with bolt 3, the outside of bolt 3 is threadedly connected with nut 4, the outside of bolt 3 and nut 4 is provided with anti-loosening assembly, and pipe 1 outside is provided with dustproof identification assembly;Anti-loosening assembly includes fixed ring 5, and the outside of fixed ring 5 is fixedly connected on the outside of flange plate 2, and rotating ring 6 is rotatably connected in the inside of fixed ring 5, and the outside of rotating ring 6 is fixedly connected with multiple pull ropes 8, and the end of pull rope 8 away from rotating ring 6 is fixedly connected with baffle 9, and the outside of baffle 9 is fixedly connected with limiting plate 11, and spring 10 is sleeved on the outside of pull rope 8.

[0026] Specifically, pipe 1 is used for transmitting fire-fighting water and other media;Flange plate 2 is fixed on the outside of pipe 1, for realizing the assembly connection of two pipes 1;Bolt 3 passes through two flange plates 2, and is threadedly connected with nut 4, for fastening two flange plates 2;Nut 4 cooperates with bolt 3, realizes the fastening of flange plate 2;Fixed ring 5 is fixed on the outside of flange plate 2, provides installation base for rotating ring 6 and other components;Rotating ring 6 rotates in the inside of fixed ring 5, moves baffle 9 by pull rope 8;Pull rope 8 connects rotating ring 6 and baffle 9, for transmitting the power of rotating ring 6;Baffle 9 slides in the limiting groove 12 of fixed ring 5 under the drive of pull rope 8, drives limiting plate 11 to move;Spring 10 is sleeved on the outside of pull rope 8, for providing elastic force, so that baffle 9 and limiting plate 11 reset and hold nut 4 and bolt 3, prevent loosening;Limiting plate 11 holds nut 4 and bolt 3 under the drive of baffle 9, limits the relative rotation of both, plays anti-loosening role;Components in dustproof identification assembly are used for protecting and showing pipe information.

[0027] Referring to Figure 4The dustproof identification assembly comprises a support plate 13, the outer side of the support plate 13 is fixedly connected to the outer side of the pipeline 1, the inner wall of the support plate 13 is fixedly connected with a fluorescent signboard 14, the outer side of the support plate 13 is fixedly connected with two fixed blocks 18, the two fixed blocks 18 are rotatably connected with a rotating rod 17, the outer side of the rotating rod 17 is fixedly connected with a dustproof cover 15, and the outer side of the rotating rod 17 is sleeved with a torsional spring 16.

[0028] Specifically, the support plate 13 is used for supporting and fixing components such as the fluorescent signboard 14; the fluorescent signboard 14 is used for displaying pipeline related information and has a fluorescent effect to facilitate viewing in insufficient light; the fixed blocks 18 provide rotating support points for the rotating rod 17; the rotating rod 17 is used for connecting and rotating the dustproof cover 15; the dustproof cover 15 is used for daily covering of the fluorescent signboard 14 to prevent dust and sundries from polluting; and the torsional spring 16 is used for providing an elastic force to keep the dustproof cover 15 in a state of covering the fluorescent signboard 14 when not subjected to external force, and assisting in resetting of the dustproof cover 15 after being opened.

[0029] With reference to Figures 1-4 The fixed ring 5 is internally provided with a plurality of limiting grooves 12, the baffle 9 is slidably connected to the outer side of the limiting grooves 12, one end of the spring 10 is fixedly connected to the inner wall of the limiting grooves 12, the other end of the spring 10 is fixedly connected to the outer side of the baffle 9, the limiting plate 11 is slidably connected to the inner side of the fixed ring 5, the fixed ring 5 is arranged on the outer side of the bolt 3, the fixed ring 5 is arranged on the outer side of the nut 4, the outer side of the rotating ring 6 is fixedly connected with the handle 7, one end of the torsional spring 16 is fixedly connected to the outer side of the dustproof cover 15, the other end of the torsional spring 16 is fixedly connected to the outer side of the fixed block 18, and the outer side of the dustproof cover 15 is fixedly connected with the handle 19.

[0030] Specifically, the fixed ring 5 is used for mounting components of the anti-loosening assembly such as the rotating ring 6; the limiting grooves 12 are used for providing sliding tracks for the baffle 9 to limit the movement direction of the baffle 9; the baffle 9 is used for driving the limiting plate 11 to move and compress or release the spring 10; the spring 10 is used for providing an elastic force to reset the baffle 9 and the limiting plate 11 when not subjected to external force, thereby achieving anti-loosening of the bolt 3 and the nut 4; the limiting plate 11 is slidably arranged in the fixed ring 5 and is used for clamping the bolt 3 and the nut 4 to limit relative rotation of the bolt 3 and the nut 4, thereby achieving the anti-loosening effect; the handle 7 is used for facilitating rotation of the rotating ring 6 by an operator; the torsional spring 16 is used for providing an elastic force to keep the dustproof cover 15 in a state of covering the fluorescent signboard 14 when not subjected to external force, and automatically resetting after being opened; and the handle 19 is used for facilitating manual opening and closing of the dustproof cover 15 by an operator.

[0031] The utility model discloses a working principle as follows: through rotating rotary ring 6, drive the fixed pull rope 8 of outside movement, pull rope 8 pull baffle 9 slide in the limiting slot 12 of fixed ring 5 inside, compression spring 10, until baffle 9 drive limiting plate 11 slide into fixed ring 5 inside, do not limit the relative rotation of nut 4 and bolt 3, two pipelines 1 are assembled through the flange plate 2 of outside fixed connection, rely on bolt 3 to pass through two flange plates 2 and realize fastening with nut 4 thread connection.

[0032] When bolt 3 and nut 4 are tightened, reverse rotary ring 6, pull rope 8 under the elastic force of spring 10, drive baffle 9 along limiting slot 12 and slide into fixed ring 5 inside reset, limiting plate 11 also moves, until limiting plate 11 is stuck nut 4 and bolt 3, limit the relative rotation of both. Because limiting plate 11 and nut 4, bolt 3 closely adhere to, when fire pipeline is vibrated, pressure change etc. external force, nut 4 cannot loosen on bolt 3, thereby guarantee the stability of two pipelines 1 through flange plate 2 connection, prevent the leakage of pipeline connection, ensure that fire control system can normally operate at the critical moment, dust cover 15 is tightly covered on fluorescent signboard 14 under the action of torsion spring 16, block dust, sundries and attach on signboard surface, make it always keep clear. When staff need to check pipeline information, only need to hold handle 19, overcome the elastic force of torsion spring 16, rotate dust cover 15, and fluorescent signboard 14 exposes, and its self-contained fluorescent effect can make staff quickly, accurately read pipeline relevant information even in dim environment, convenient to maintain and manage fire control pipeline.

Claims

1. A prefabricated fire protection pipe comprising two pipes (1), characterised in that: The pipeline (1) outside fixedly connected with flange (2), two flange (2) between the rotating connection has bolt (3), bolt (3) outside thread connection has nut (4), bolt (3) and nut (4) outside set has anti looseness component, pipeline (1) outside set has dustproof identification component; Anti looseness component includes fixed ring (5), fixed ring (5) outside fixedly connected in flange (2) outside, The rotating ring (6) is rotatably connected in the fixed ring (5) inside, the rotating ring (6) outside fixedly connected with multiple pull rope (8), pull rope (8) away from the rotating ring (6) one end fixedly connected with baffle (9), baffle (9) outside fixedly connected with limit plate (11), pull rope (8) outside sleeve set with spring (10).

2. The fabricated fire protection pipe of claim 1, wherein: The dustproof identification component includes support plate (13), support plate (13) outside fixedly connected in pipeline (1) outside, support plate (13) inner wall fixedly connected with fluorescent signboard (14), support plate (13) outside fixedly connected with two fixed blocks (18), two fixed blocks (18) between the rotating connection has rotating rod (17), rotating rod (17) outside middle fixedly connected with dust cover (15), rotating rod (17) outside sleeve set with torsional spring (16).

3. The fabricated fire protection pipe of claim 1, wherein: The fixed ring (5) inside is provided with a plurality of limit grooves (12), the baffle (9) outside slidingly connected in the limit groove (12) outside.

4. The fabricated fire protection pipe of claim 1, wherein: The spring (10) one end is fixedly connected in the limit groove (12) inner wall, spring (10) other end fixedly connected in baffle (9) outside.

5. The fabricated fire protection pipe of claim 1, wherein: The limit plate (11) outside slidingly connected in the fixed ring (5) inside, the fixed ring (5) outside set in bolt (3) outside, the fixed ring (5) outside set in nut (4) outside.

6. The fabricated fire protection pipe of claim 1, wherein: The rotating ring (6) outside fixedly connected with handle (7).

7. The fabricated fire protection pipe of claim 2, wherein: The torsional spring (16) one end is fixedly connected in dust cover (15) outside, torsional spring (16) other end fixedly connected in fixed block (18) outside.

8. The fabricated fire protection pipe according to claim 2 or 7, characterized in that: The dust cover (15) outside fixedly connected with handle (19).