Flame-retardant drainage pipeline
By designing plug-in components and threaded joints in flame-retardant drainage pipes, the flame retardant can be quickly replaced, solving the problem of flame retardant failure and ensuring the long-term maintenance of flame-retardant performance.
Patent Information
- Application Number
- CN202520375480.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-03-05
AI Technical Summary
The flame retardants in existing flame-retardant drainage pipes are prone to failure after long-term use, resulting in a decline in flame-retardant performance and inconvenience in replacement.
The design incorporates a plug-in assembly, including an arc-shaped cover, a movable block, a fixed block, and a spring. The movable block engages via the spring's rebound action, facilitating quick installation and removal of the flame retardant. Combined with a viewing window and threaded connector, it facilitates the replacement and maintenance of the flame retardant.
This enables convenient maintenance of flame-retardant drainage pipes and regular replacement of flame retardants, ensuring long-term flame-retardant performance.
Smart Images

Figure CN223662862U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to drainage pipeline technical field, concretely relates to a kind of flame-retardant drainage pipeline. BACKGROUND
[0002] Flame-retardant drainage pipeline is a kind of pipeline made of flame-retardant material, mainly used for drainage system, and has flame-retardant characteristics;Flame-retardant drainage pipeline can be used for indoor fire-fighting pipe network of high-rise building, to ensure that water can be supplied quickly when fire occurs, and its flame-retardant performance helps to slow down the spread of fire, and flame-retardant drainage pipeline generally embeds flame retardant inside the pipeline, which is mainly used for flame-retardant treatment of high molecular material, and when these specially treated materials are attacked by external fire source, they can effectively play a flame-retardant role by preventing, delaying or even stopping the spread of fire, thereby protecting the materials from fire damage.
[0003] The flame retardant may gradually lose its original effectiveness due to various chemical reactions during long-term use, which will cause the flame-retardant performance of the pipeline to gradually decrease;Therefore, in order to maintain the flame-retardant effect of the pipeline, it is necessary to replace the flame retardant regularly;However, the flame retardant on the market is usually directly embedded inside the pipeline, and there is rarely a case of replacement, which means that the flame retardant may fail over time, reducing the flame-retardant effect of the flame retardant inside the pipeline. UTILITY MODEL CONTENT
[0004] The utility model aims to provide a kind of flame-retardant drainage pipeline, which can facilitate maintenance and replacement of new flame retardant, and ensure that the flame-retardant drainage pipeline maintains its flame-retardant performance for a long time.
[0005] The technical solutions adopted by the utility model are as follows:
[0006] A kind of flame-retardant drainage pipeline, comprising two first pipelines, two first pipelines are fixedly connected with flange on opposite side, two flanges are installed with second pipeline on opposite side, the surface of second pipeline is fixedly connected with multiple groups of arc blocks, each group of arc blocks is placed with solid flame retardant, arc-shaped cover is provided on arc block.
[0007] Preferably, the plug-in assembly includes an arc-shaped cover that is plugged into the opening of the arc-shaped block, both ends of the arc-shaped cover are provided with a sliding groove, the sliding groove is slidably connected with a movable block, one end of the movable block is fixedly connected with a first spring, and one end of the first spring is fixedly connected to the arc-shaped cover, the top of the movable block is fixedly connected with a fixed block, both ends of the inner wall of the arc-shaped block are provided with a plug-in groove that cooperates with the movable block.
[0008] Preferably, the bottom of each plug-in groove is fixedly connected with multiple second springs, and the two sides of the arc-shaped cover are fixedly connected with a sealing strip.
[0009] Preferably, the arc-shaped block has at least four groups, and two strip-shaped baffles are fixedly connected to both ends of the bottom of each group of arc-shaped blocks.
[0010] Preferably, a visual window is formed on each side of the arc-shaped block, and a glass plate is mounted on the visual window.
[0011] Preferably, an internal thread joint is formed on the inner wall of the first pipeline close to the second pipeline, and external thread joints that cooperate with the internal thread joint are fixedly connected to both ends of the second pipeline.
[0012] The technical effects achieved by the present application are as follows:
[0013] The fire-retardant drainage pipeline of the present application is provided with a plug-in assembly, the movable block is stretched into the sliding groove by the fixing block, the movable block can be accurately clamped in the slot by the rebounding action of the first spring, so that the plug-in assembly can be quickly disassembled and assembled, the device can be conveniently maintained and replaced with new fire retardant, and the fire-retardant performance of the fire-retardant drainage pipeline can be maintained for a long time. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is a structural schematic view of the present application;
[0015] Figure 2 is a structural schematic view of the plug-in assembly of the present application;
[0016] Figure 3 is a structural perspective view of the inner cavity of the arc-shaped block of the present application;
[0017] Figure 4 is a structural perspective view of the strip-shaped baffle of the present application.
[0018] In the drawings, the components represented by the respective reference numerals are listed as follows:
[0019] 1, first pipeline; 2, second pipeline; 3, arc-shaped block; 4, solid fire retardant; 5, arc-shaped cover; 6, sliding groove; 7, movable block; 8, first spring; 9, fixing block; 10, slot; 11, second spring; 12, sealing strip; 13, strip-shaped baffle; 14, visual window; 15, flange; 16, internal thread joint; 17, external thread joint. DETAILED DESCRIPTION
[0020] In order to make the purpose and advantages of the present application more clear and explicit, the present application will be specifically described below in combination with embodiments. It should be understood that the following text is only used to describe one or several specific embodiments of the present application, and does not strictly limit the scope of protection specifically requested by the present application.
[0021] As Figure 1 - Figure 4As shown in the figure, a kind of fire-retardant drainage pipeline, including two first pipes 1, two first pipes 1 opposite side fixedly connected with flange 15, two flanges 15 opposite side is equipped with second pipe 2, the surface of second pipe 2 is fixedly connected with multiple groups of arc blocks 3, each group of arc blocks 3 is placed with solid fire retardant 4, arc block 3 is provided with plug-in assembly.
[0022] Wherein, the design of flange 15, for the connection between first pipe 1 and second pipe 2 can be more stable, the design of arc block 3, for containing solid fire retardant 4, the design of solid fire retardant 4, for first pipe 1 meets fire solid fire retardant 4 can be larger expansion, so as to block first pipe 1, further prevent the spread of fire.
[0023] As Figure 2 And Figure 3 As shown in the figure, plug-in assembly includes arc-shaped cover 5 plugged in the opening of arc block 3, both ends of arc-shaped cover 5 are provided with sliding slot 6, sliding slot 6 is slidably connected with movable block 7, one end of movable block 7 is fixedly connected with first spring 8 and one end of first spring 8 is fixedly connected on arc-shaped cover 5, the top of movable block 7 is fixedly connected with fixed block 9, both ends of inner wall of arc block 3 are provided with insertion slot 10 used in cooperation with movable block 7.
[0024] Specifically, movable block 7 slides in sliding slot 6, and movable block 7 is stretched into sliding slot 6 by fixed block 9, movable block 7 can be accurately clamped in insertion slot 10 by the rebound action of first spring 8, and the design of clamping facilitates the quick disassembly and replacement of solid fire retardant 4 by workers.
[0025] As Figure 3 Each insertion slot 10 is fixedly connected with multiple second springs 11 at the bottom, and arc-shaped cover 5 is fixedly connected with sealing strip 12 on both sides.
[0026] Wherein, the upward elastic force of second spring 11 is used for supporting the movable block 7 inserted in insertion slot 10 upward, so that movable block 7 can better fit on the top of insertion slot 10, and the design of sealing strip 12 is used for increasing the sealing effect on both sides.
[0027] As Figure 4 As shown in the figure, arc block 3 has at least four groups, and both ends of the bottom of each group of arc block 3 are fixedly connected with two strip baffles 13.
[0028] Specifically, the visual window 14 can effectively block the inner wall of the second pipe 2; and the design of strip baffle 13 is used for fixing the solid fire retardant 4 in the inner cavity of arc block 3.
[0029] As Figure 4 Each arc block 3 is provided with visual window 14 on both sides, and glass plate is mounted on visual window 14.
[0030] The design of the glass plate on the visual window 14 facilitates the staff to directly observe the use of the solid fire retardant 4 in the arc-shaped block 3 through the outside, so that the staff can accurately replace the solid fire retardant 4; the glass plate of the visual window 14 also has good high-temperature resistance and can withstand the pressure generated when the solid fire retardant 4 expands at high temperature; a sealing ring is arranged on the glass plate of the visual window 14 to prevent smoke and gas generated during the use of the solid fire retardant 4 from leaking, thereby further improving the fire retardant effect of the system.
[0031] As shown in Figure 1 The first pipeline 1 is provided with an internal thread joint 16 near the inner wall of the second pipeline 2, and the two ends of the second pipeline 2 are fixedly connected with external thread joints 17 used in cooperation with the internal thread joint 16.
[0032] Specifically, the design that the internal thread joint 16 and the external thread joint 17 are threadedly connected can twist the second pipeline 2 out of the first pipeline 1 through the cooperation of the external thread joint 17 and the internal thread joint 16 when the solid fire retardant 4 has been expanded and used.
[0033] The working principle of the utility model is as follows: first, the operator pulls the fixed block 9 to pull the movable block 7 out of the slot 10 by the elastic force of the first spring 8, so as to take out the arc-shaped cover 5 from the top of the arc-shaped block 3 and replace the solid fire retardant 4; then the fixed block 9 is pulled to reinsert the movable block 7 into the slot 10 by the elastic force of the first spring 8, so as to fix the arc-shaped cover 5 on the top of the arc-shaped block 3 again; if the solid fire retardant 4 has been expanded and used, the flange 15 between the first pipeline 1 and the second pipeline 2 is opened, and finally the second pipeline 2 is taken out for cleaning by rotating the external thread joint 17 and the internal thread joint 16.
[0034] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principle of the utility model, and these improvements and refinements should also be regarded as the protection range of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the field without special description and limitation.
Claims
1. A fire resistant drain pipe, characterized by: Including two first pipeline (1), two said first pipeline (1) opposite side fixedly connected with flange (15), two said flange (15) opposite side is installed with second pipeline (2), the surface of second pipeline (2) is fixedly connected with multiple groups arc block (3), each group arc block (3) is placed with solid flame retardant (4), be provided with plug-in assembly on arc block (3).
2. A fire resistant drain pipe according to claim 1, characterised in that: The plug-in assembly includes an arc-shaped cover (5) plugged into the opening of the arc-shaped block (3), both ends of the arc-shaped cover (5) are provided with a sliding groove (6), the sliding groove (6) is slidably connected with a movable block (7), one end of the movable block (7) is fixedly connected with a first spring (8), and one end of the first spring (8) is fixedly connected to the arc-shaped cover (5), the top of the movable block (7) is fixedly connected with a fixed block (9), both ends of the inner wall of the arc-shaped block (3) are provided with a plug-in slot (10) matched with the movable block (7).
3. A fire resistant drain pipe according to claim 2, wherein: The bottom of each plug-in slot (10) is fixedly connected with multiple second springs (11), and both sides of the arc-shaped cover (5) are fixedly connected with sealing strips (12).
4. A fire resistant drain pipe according to claim 1, wherein: The arc-shaped block (3) has at least four groups, and both ends of the bottom of each group of arc-shaped blocks (3) are fixedly connected with two strip baffles (13).
5. A fire resistant drain pipe according to claim 1, wherein: Both sides of each arc-shaped block (3) are provided with a viewing window (14), and the viewing window (14) is installed with a glass plate.
6. A fire resistant drain pipe according to claim 1, wherein: The inner wall of the first pipeline (1) close to the second pipeline (2) is provided with an internal thread joint (16), and both ends of the second pipeline (2) are fixedly connected with an external thread joint (17) matched with the internal thread joint (16).