Prefabricated assembled fire-fighting pipeline sealing device

Through the prefabricated and assembled fire protection pipe sealing device, the threaded connection between the liner pipe and the guide pipe and the fixation of the limit plate are used to solve the problems of unstable splicing and poor sealing of the fire protection pipe, and realize stable and sealed fire protection pipe connection.

CN223318646UActive Publication Date: 2025-09-09SHANXI CONSTR ENG CO LTD
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Patent Information

Application Number
CN202422960493.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-09-09
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

The existing fire protection pipes have problems in the splicing process such as cumbersome splicing, instability and poor sealing.

Method used

A prefabricated and assembled fire protection pipe sealing device is used to achieve stable splicing and sealing of the fire protection pipe through the threaded connection of the lining pipe and the guide pipe, the fixation of the limit plate and the winding of the raw tape.

Benefits of technology

It achieves stable splicing and sealing of fire protection pipes, enhances the stability and sealing of the connection, and simplifies the splicing process.

✦ 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 particularly discloses a prefabricated assembled fire-fighting pipeline sealing device which comprises a first fire-fighting pipeline and a second fire-fighting pipeline, and the end, close to the second fire-fighting pipeline, of the first fire-fighting pipeline is fixedly connected with a fixing ring. The right side of the fixing ring communicates with a lining pipe located in the second fire fighting pipeline, the outer wall of the lining pipe is concaved inwards to form a notch, raw material belts are installed at the connecting position of the baffle ring and the notch and the connecting position of the guide pipe and the lining pipe correspondingly, and the lining pipe is connected into the second fire fighting pipeline in a threaded mode. Furthermore, by arranging a first limiting plate and a second limiting plate, the dual-fixing effect can be achieved, and the splicing stability of the first firefighting pipeline and the second firefighting pipeline is guaranteed; and secondly, sealing splicing between the first fire-fighting pipeline and the second fire-fighting pipeline is ensured by winding the teflon tape.
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Description

Technical Field

[0001] The utility model relates to the technical field of fire protection pipes, in particular to a prefabricated and assembleable fire protection pipe sealing device. Background Art

[0002] Firefighting pipes are used to connect firefighting equipment and devices, and to transport firefighting water, gas, or other media. Due to special needs, firefighting pipes have special requirements for thickness and material, and are painted red to transport firefighting water.

[0003] At present, in the process of splicing fire protection pipes, most of them are spliced ​​by connecting flanges or plugging, which makes the splicing cumbersome or unstable, and the sealing of the spliced ​​fire protection pipes is poor. Therefore, it is necessary to propose a prefabricated and assembleable fire protection pipe sealing device to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a prefabricated and assembleable fire protection pipe sealing device, which has the function of splicing and fixing a first fire protection pipe and a second fire protection pipe, achieving a double fixation effect and ensuring the stability of the splicing, and secondly ensuring the sealed splicing between the first fire protection pipe and the second fire protection pipe.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a prefabricated and assembleable fire-fighting pipe sealing device, comprising a first fire-fighting pipe and a second fire-fighting pipe, wherein the first fire-fighting pipe is fixedly connected to a fixing ring at one end close to the second fire-fighting pipe, the right side of the fixing ring is connected to an inner liner pipe located inside the second fire-fighting pipe, the outer wall of the inner liner pipe is recessed inwardly and has a notch, the interior of the second fire-fighting pipe is fixedly connected to a guide pipe and a retaining ring located on the left side of the guide pipe, the inner wall of the retaining ring is threadedly connected to the notch, the inner wall of the guide pipe is threadedly connected to the outer wall of the inner liner pipe, and the outer wall of the notch and the outer wall of the inner liner pipe are both wrapped with raw tape;

[0006] The second fire-fighting pipe is fixedly connected to a connecting ring at one end close to the first fire-fighting pipe, and the outer wall of the connecting ring is fixedly connected to two first limiting plates. The outer wall of the fixed ring is fixedly connected to two connecting pieces, and the other ends of the two connecting pieces are fixedly connected to a second limiting plate that abuts the connecting ring and contacts the first limiting plate.

[0007] In order to ensure a tight connection between the lining pipe and the guide pipe, as a prefabricated and assembleable fire protection pipe sealing device of the present invention, the right side of the lining pipe is preferably a conical structure, and the guide pipe is a conical structure matching the lining pipe.

[0008] In order to connect and position the connecting ring and the fixing ring, as a prefabricated and assembled fire protection pipe sealing device of the present invention, a positioning ring is fixedly connected to the side of the connecting ring close to the fixing ring, and a positioning groove matching the positioning ring is opened on the side of the fixing ring close to the connecting ring.

[0009] In order to ensure the sealing between the retaining ring and the inner lining pipe, as a preferred prefabricated and assembleable fire protection pipe sealing device of the present invention, a sealing ring is installed on the left side of the retaining ring.

[0010] In order to limit and fix the first limiting plate and the second limiting plate, as a preferred prefabricated and assembleable fire protection pipe sealing device of the present invention, the first limiting plate and the second limiting plate are connected by fixing bolts.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0012] The utility model firstly connects the first fire-fighting pipe with the second fire-fighting pipe, and threads the liner pipe into the second fire-fighting pipe. The first limiting plate and the second limiting plate abut against each other, and the fixing ring and the connecting ring abut against each other, thereby realizing the splicing between the first fire-fighting pipe and the second fire-fighting pipe. Moreover, by arranging the first limiting plate and the second limiting plate, the spliced ​​first fire-fighting pipe and the second fire-fighting pipe can be further limited and fixed, thereby achieving the effect of double fixation and ensuring the stability of the splicing of the first fire-fighting pipe and the second fire-fighting pipe. Secondly, the sealed splicing between the first fire-fighting pipe and the second fire-fighting pipe is ensured by wrapping the raw tape. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is the overall structural diagram of the utility model;

[0014] Figure 2 This is a structural diagram of the guide tube and retaining ring of the utility model;

[0015] Figure 3 For the utility model Figure 1 Enlarged view of point A.

[0016] In the figure: 1. First fire-fighting pipe; 2. Second fire-fighting pipe; 201. Connecting ring; 202. Positioning ring; 203. First limiting plate; 3. Fixing ring; 301. Connecting piece; 302. Second limiting plate; 303. Positioning groove; 304. Lining pipe; 305. Notch; 4. Guide pipe; 401. Retaining ring; 402. Raw tape. DETAILED DESCRIPTION

[0017] See also Figures 1 to 3A prefabricated and assembled fire protection pipe sealing device includes a first fire protection pipe 1 and a second fire protection pipe 2. The first fire protection pipe 1 is fixedly connected to a fixing ring 3 at one end close to the second fire protection pipe 2. The right side of the fixing ring 3 is connected to an inner liner 304 located inside the second fire protection pipe 2. The outer wall of the inner liner 304 is recessed inward to form a notch 305. A guide pipe 4 and a retaining ring 401 located on the left side of the guide pipe 4 are fixedly connected to the inside of the second fire protection pipe 2. The inner wall of the retaining ring 401 is threadedly connected to the notch 305. The inner wall of the guide pipe 4 is threadedly connected to the outer wall of the inner liner 304. The outer wall of the notch 305 and the outer wall of the inner liner 304 are both wrapped with a raw tape 402.

[0018] One end of the second fire-fighting pipe 2 close to the first fire-fighting pipe 1 is fixedly connected to a connecting ring 201, the outer wall of the connecting ring 201 is fixedly connected to two first limiting plates 203, the outer wall of the fixing ring 3 is fixedly connected to two connecting pieces 301, and the other ends of the two connecting pieces 301 are fixedly connected to a second limiting plate 302 that abuts the connecting ring 201 and contacts the first limiting plate 203.

[0019] In this embodiment: the first fire-fighting pipe 1 and the second fire-fighting pipe 2 are docked, and the inner lining pipe 304 is inserted into the second fire-fighting pipe 2. While inserting, the first limiting plate 203 and the second limiting plate 302 are inserted at an offset. Then, the first fire-fighting pipe 1 is rotated, and the inner lining pipe 304 is threadedly connected to the inner wall of the guide pipe 4. When the inner lining pipe 304 is installed inside the second fire-fighting pipe 2, the first limiting plate 203 and the second limiting plate 302 are abutted against each other (as shown in the attached figure). Figure 1 ), the fixing ring 3 and the connecting ring 201 are abutted, and the inner lining tube 304 is threadedly connected to the guide tube 4, and the notch 305 is threadedly connected to the inner wall of the retaining ring 401, thereby realizing the splicing between the first fire protection pipe 1 and the second fire protection pipe 2, and by setting the first limiting plate 203 and the second limiting plate 302, the spliced ​​first fire protection pipe 1 and the second fire protection pipe 2 can be further limited and fixed, achieving a double fixation effect, and ensuring the stability of the splicing of the first fire protection pipe 1 and the second fire protection pipe 2, secondly, the inner lining tube 304 can increase the connection area between the first fire protection pipe 1 and the second fire protection pipe 2, and by wrapping the raw tape 402 (the raw tape is polytetrafluoroethylene raw tape, also known as PTFE raw tape) around the notch 305 and the outer wall of the inner lining tube 304, and spirally entering the retaining ring 401 and the guide tube 4, the connection between the retaining ring 401 and the notch 305 and the connection between the guide tube 4 and the inner lining tube 304 can be sealed, thereby ensuring the sealed splicing between the first fire protection pipe 1 and the second fire protection pipe 2.

[0020] As a technical optimization solution of the present invention, the right side of the liner tube 304 is in a conical structure, and the guide tube 4 is in a conical structure that matches the liner tube 304 .

[0021] In this embodiment, the right side of the liner tube 304 and the guide tube 4 both have a tapered structure, which can ensure a tight connection between the liner tube 304 and the guide tube 4.

[0022] As a technical optimization solution of the present invention, a positioning ring 202 is fixedly connected to the side of the connecting ring 201 close to the fixing ring 3 , and a positioning groove 303 matching the positioning ring 202 is opened on the side of the fixing ring 3 close to the connecting ring 201 .

[0023] In this embodiment, the connection between the connecting ring 201 and the fixing ring 3 can be positioned by the cooperation between the positioning ring 202 and the positioning groove 303 .

[0024] As a technical optimization solution of the present invention, a sealing ring is installed on the left side of the retaining ring 401.

[0025] In this embodiment, the sealing between the retaining ring 401 and the inner liner tube 304 can be further ensured by the sealing ring.

[0026] As a technical optimization solution of the present invention, the first limiting plate 203 and the second limiting plate 302 are connected by fixing bolts.

[0027] In this embodiment, the first limiting plate 203 and the second limiting plate 302 can be limited and fixed by fixing bolts.

[0028] Working principle: First, connect the first fire-fighting pipe 1 with the second fire-fighting pipe 2, insert the inner lining pipe 304 into the second fire-fighting pipe 2, and insert the first limiting plate 203 and the second limiting plate 302 at the same time, then rotate the first fire-fighting pipe 1, and thread the inner lining pipe 304 to the inner wall of the guide pipe 4. When the inner lining pipe 304 is installed inside the second fire-fighting pipe 2, the first limiting plate 203 and the second limiting plate 302 abut against each other (as shown in the attached figure). Figure 1), and the first limiting plate 203 is connected and fixed to the second limiting plate 302 by fixing bolts, the fixing ring 3 and the connecting ring 201 are abutted, and the inner lining tube 304 is threadedly connected to the guide tube 4, and the notch 305 is threadedly connected to the inner wall of the retaining ring 401, thereby realizing the splicing between the first fire protection pipe 1 and the second fire protection pipe 2, and by setting the first limiting plate 203 and the second limiting plate 302, the spliced ​​first fire protection pipe 1 and the second fire protection pipe 2 can be further limited and fixed, achieving a double fixation effect, and ensuring the stability of the splicing of the first fire protection pipe 1 and the second fire protection pipe 2, secondly, the inner lining tube 304 can increase the connection area between the first fire protection pipe 1 and the second fire protection pipe 2, and by wrapping the raw tape 402 around the notch 305 and the outer wall of the inner lining tube 304, and screwing it into the retaining ring 401 and the guide tube 4, the connection between the retaining ring 401 and the notch 305 and the connection between the guide tube 4 and the inner lining tube 304 can be sealed, thereby ensuring the sealed splicing between the first fire protection pipe 1 and the second fire protection pipe 2.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A prefabricated and assembleable fire protection pipe sealing device, comprising a first fire protection pipe (1) and a second fire protection pipe (2), characterized in that: The first fire-fighting pipe (1) is fixedly connected to a fixing ring (3) at one end close to the second fire-fighting pipe (2); the right side of the fixing ring (3) is connected to an inner lining pipe (304) located inside the second fire-fighting pipe (2); the outer wall of the inner lining pipe (304) is recessed inwardly to form a notch (305); the interior of the second fire-fighting pipe (2) is fixedly connected to a guide pipe (4) and a retaining ring (401) located on the left side of the guide pipe (4); the inner wall of the retaining ring (401) is threadedly connected to the notch (305); the inner wall of the guide pipe (4) is threadedly connected to the outer wall of the inner lining pipe (304); the outer wall of the notch (305) and the outer wall of the inner lining pipe (304) are both wrapped with a raw tape (402); One end of the second fire-fighting pipe (2) close to the first fire-fighting pipe (1) is fixedly connected to a connecting ring (201); the outer wall of the connecting ring (201) is fixedly connected to two first limiting plates (203); the outer wall of the fixing ring (3) is fixedly connected to two connecting members (301); the other ends of the two connecting members (301) are fixedly connected to a second limiting plate (302) that abuts against the connecting ring (201) and contacts the first limiting plate (203).

2. A prefabricated and assembleable fire protection pipe sealing device according to claim 1, characterized in that: The right side of the inner lining tube (304) is in a conical structure, and the guide tube (4) is in a conical structure that matches the inner lining tube (304).

3. The prefabricated and assembleable fire protection pipe sealing device according to claim 1, characterized in that: A positioning ring (202) is fixedly connected to one side of the connecting ring (201) close to the fixing ring (3), and a positioning groove (303) matching the positioning ring (202) is provided on one side of the fixing ring (3) close to the connecting ring (201).

4. The prefabricated and assembleable fire protection pipe sealing device according to claim 1, characterized in that: A sealing ring is installed on the left side of the retaining ring (401).

5. The prefabricated and assembleable fire protection pipe sealing device according to claim 1, characterized in that: The first limiting plate (203) and the second limiting plate (302) are connected via fixing bolts.