Blind piece for fire-fighting pipeline
By introducing an installation mechanism consisting of springs, spring plates, sliding plates, and positioning blocks into the fire-fighting pipe blind plate, as well as positioning components for the first and second connecting rods and rollers, the problem of cumbersome and time-consuming installation and disassembly of traditional blind plates is solved, enabling rapid connection and enhanced fixation, making it suitable for emergency and confined space applications.
Patent Information
- Application Number
- CN202520294517.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-24
AI Technical Summary
The installation and removal of traditional fire-fighting pipe blind plates are cumbersome, time-consuming and labor-intensive, especially inefficient in emergency situations, and the disassembly process can easily damage the connecting parts.
The installation mechanism, composed of components such as springs, spring plates, sliding plates, and positioning blocks, combined with the positioning components of the first and second connecting rods and rollers, enables quick connection and enhanced fixation, simplifying the operation process.
It enables rapid installation and removal of blind flanges for fire-fighting pipelines, reducing operation time and manual labor intensity, making it suitable for emergency situations and confined spaces, and reducing the risk of component damage.
Smart Images

Figure CN223725810U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fire pipeline technical field, concretely is a blind sheet for fire pipeline. BACKGROUND
[0002] A blind sheet for fire pipeline is a device for closing the end of a fire pipeline or isolating a certain section of the pipeline, which mainly serves to temporarily or permanently close the pipeline to prevent liquid (such as fire water) or gas from leaking from the pipeline.
[0003] Firstly, the traditional design needs to be installed and connected one by one with bolts, which is complicated to operate and consumes more time, especially in complex or emergency situations, which is inefficient.
[0004] Secondly, due to the limitations of bolt connection (directly pulling the blind sheet with force will damage the blind sheet), multiple hammering or prying may be required when disassembling the blind sheet, which not only consumes time but also easily damages the blind sheet or other connecting parts. SUMMARY
[0005] (I) Technical problems solved
[0006] In view of the deficiencies of the prior art, the utility model provides a blind sheet for fire pipeline to solve the technical problems mentioned in the background art.
[0007] (II) Technical solutions
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a blind sheet for fire pipeline comprises a main body, a mounting mechanism and a positioning assembly, the mounting mechanism comprises a spring, a elastic plate, a sliding plate and a positioning block, the spring is installed inside the main body and fixedly connected with the elastic plate at the other end, the elastic plate is installed inside the main body and slidably connected with the main body, the sliding plate is fixedly installed on the elastic plate and circumferentially arranged on the elastic plate, the positioning block is installed inside the main body and cooperatively connected with the main body, the positioning assembly comprises a first connecting rod, a second connecting rod and a roller, the first connecting rod is installed on the main body and respectively threadedly engaged with the main body and the elastic plate and slidably connected with the second connecting rod, the second connecting rod is installed on the elastic plate and respectively rotationally connected with the elastic plate and threadedly engaged with the first connecting rod, and the roller is installed on the elastic plate and rotationally connected with the elastic plate.
[0009] Preferably, a limiting block is arranged on the elastic plate, a limiting groove is arranged inside the main body, and the limiting block is slidably connected with the limiting groove, so as to fix the position of the positioning block.
[0010] In further preferred embodiments, a mounting groove is arranged on the main body, and one end of the spring is installed in the mounting groove, so as to save the space of the main body and avoid deformation of the spring.
[0011] In a further preferred, the main body is provided with a first threaded hole, the first connecting rod is provided with a first external thread, the first external thread is screwed with the first threaded hole, facilitating the connection and fixation of the main body and the first connecting rod.
[0012] In a further preferred, the second connecting rod is provided with a second threaded hole, the first threaded rod is provided with a second external thread, the second external thread is screwed with the second threaded hole, facilitating the pushing of the main body as a whole.
[0013] In a further preferred, the main body is provided with an insertion hole and a fixing hole, the elastic plate is connected with the insertion hole, and the fixing hole is installed in the elastic plate, facilitating the fixation of the elastic plate inside the main body.
[0014] In a further preferred, the first connecting rod is provided with a rotating strip, and the second connecting rod is provided with a friction block, the friction block is distributed in a circumferential array on the second connecting rod, facilitating the fixation between the first connecting rod and the second connecting rod.
[0015] In a further preferred, the main body is provided with a mounting disc, and the limiting groove is arranged in the mounting disc and distributed in a circumferential array in the mounting disc, facilitating the sliding connection between the main body and the elastic plate.
[0016] (Three) beneficial effects
[0017] Compared with the prior art, the utility model provides a blind piece for fire-fighting pipeline has the following beneficial effects:
[0018] In the utility model, through the mutual cooperation of the spring, the elastic plate, the sliding plate and the positioning block and other components, the device can greatly reduce the time required for installing the blind piece through the quick connection structure, especially in the scene of emergency repair or rapid deployment, this function is particularly important, without complex tools or too many bolts, simple operation, suitable for narrow or difficult to access pipeline space.
[0019] In the utility model, through the mutual cooperation of the first connecting rod, the second connecting rod and the roller and other components, after the fixation function of the device is strengthened, the blind piece can be pulled and torn more easily. ACCURACY OF DRAWINGS
[0020] Figure 1 It is a general structure schematic view of a blind piece for fire-fighting pipeline in the utility model;
[0021] Figure 2 It is an explosion view of the installation mechanism in the utility model;
[0022] Figure 3 It is the main body internal structure schematic view in the utility model;
[0023] Figure 4 It is the positioning assembly explosion view in the utility model;
[0024] Figure 5 It is the first connecting rod and the second connecting rod between connection relation schematic view in the utility model.
[0025] In the drawing: 1, main body; 2, spring; 3, elastic plate; 4, sliding plate; 5, positioning block; 6, first connecting rod; 7, second connecting rod; 8, roller; 9, limiting block; 10, limiting groove; 11, installation groove; 12, first threaded hole; 13, first external thread; 14, second threaded hole; 15, second external thread; 16, insertion hole; 17, fixing hole; 18, rotating strip; 19, friction block; 20, mounting disc. DETAILED DESCRIPTION
[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not 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 scope of the utility model.
[0027] Embodiment 1:
[0028] Please refer to Figures 1-5 A blind piece for fire-fighting pipeline includes a main body 1, a mounting mechanism and a positioning assembly, the mounting mechanism includes a spring 2, an elastic plate 3, a sliding plate 4 and a positioning block 5, the spring 2 is installed inside the main body 1, and the other end is fixedly connected with the elastic plate 3, the elastic plate 3 is installed inside the main body 1 and is slidably connected with the main body 1, the sliding plate 4 is fixedly installed on the elastic plate 3 and is circumferentially arrayed on the elastic plate 3, the positioning block 5 is installed inside the main body 1 and is connected with the main body 1, the positioning assembly includes a first connecting rod 6, a second connecting rod 7 and a roller 8, the first connecting rod 6 is installed on the main body 1 and is respectively threadedly engaged with the main body 1, the elastic plate 3 and slidably connected with the second connecting rod 7, the second connecting rod 7 is installed on the elastic plate 3 and is respectively rotatably connected with the elastic plate 3 and threadedly engaged with the first connecting rod 6, the roller 8 is installed on the elastic plate 3 and is rotatably connected with the elastic plate 3.
[0029] In the embodiment, the installation mechanism comprises spring 2, elastic plate 3, sliding plate 4 and positioning block 5. In use, when the main body 1 needs to be installed inside the pipe, the first connecting rod 6 is inserted into the main body 1, and at the same time, the second connecting rod 7 is also inserted into the main body 1. The positioning block 5 installed on the second connecting rod 7 enters the main body 1 through the insertion hole 16 on the main body 1, directly enters the main body 1, and contacts the sliding plate 4 on the elastic plate 3, thereby applying pressure to the sliding plate 4, so that the spring 2 is compressed into the installation groove 11. The limiting block 9 on the elastic plate 3 slides in the limiting groove 10 in the main body 1, and under the action of the sliding plate 4, the position of the positioning block 5 is rotated and enters the fixing hole 17 on the installation disc 20 of the main body 1 under the action of the spring 2.
[0030] In the embodiment, the positioning assembly comprises the first connecting rod 6, the second connecting rod 7 and the roller 8. In use, the first connecting rod 6 is inserted into the main body 1, and the rotating bar 18 on the first connecting rod 6 is rotated, so that the external thread on the first connecting rod 6 is screwed with the first threaded hole 12 on the main body 1, thereby connecting the first connecting rod 6 and the main body 1. When the second connecting rod 7 enters the main body 1, the positioning block 5 is rotated under the action of the roller 8, the elastic plate 3 and the sliding block, and finally fixes the first connecting rod 6. The friction block 19 on the second connecting rod 7 is held and started to rotate, and the second threaded hole 14 on the second connecting rod 7 is screwed with the second external thread 15 on the first connecting rod 6, so that the first connecting rod 6 and the second connecting rod 7 are fixedly connected, and the second connecting rod 7 is fixed on the main body 1, thereby facilitating the pulling of the main body 1 inside the pipe.
[0031] Embodiment 2:
[0032] In use, the main body 1 is installed inside the pipe, the first connecting rod 6 is inserted into the main body 1, the second connecting rod 7 is also inserted into the main body 1, the positioning block 5 on the second connecting rod 7 is directly inserted into the main body 1 through the insertion hole 16 on the main body 1, contacts the sliding plate 4 on the elastic plate 3, exerts pressure on the sliding plate 4, the spring 2 is compressed into the installation groove 11, the limiting block 9 on the elastic plate 3 slides in the limiting groove 10 in the main body 1, the position of the positioning block 5 is rotated under the action of the sliding plate 4 and enters the fixing hole 17 on the installation disc 20 of the main body 1 under the action of the spring 2, the above components operate, the main body 1 needs enough supporting force, the force of the thread engagement is far from enough, the first connecting rod 6 is inserted into the main body 1, the rotating strip 18 on the first connecting rod 6 is rotated, the external thread on the first connecting rod 6 is threadedly engaged with the first threaded hole 12 on the main body 1, the first connecting rod 6 is connected with the main body 1, the positioning block 5 is rotated under the action of the roller 8, the elastic plate 3 and the sliding block when the second connecting rod 7 enters the main body 1, finally fixes the first connecting rod 6, holds the friction block 19 on the second connecting rod 7 and starts to rotate, the second threaded hole 14 on the second connecting rod 7 is threadedly engaged with the second external thread 15 on the first connecting rod 6, the first connecting rod 6 and the second connecting rod 7 are fixed, the second connecting rod 7 is fixed on the main body 1, the main body 1 is conveniently pulled in the pipe.
[0033] In the above-mentioned solutions, the connection between the two components can be selected according to actual conditions, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection modes, which will not be described one by one, and welding is preferred for the fixed connection, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A blind plate for a fire protection pipe comprising a main body (1), a mounting mechanism and a positioning assembly, characterized in that, The mounting mechanism comprises a spring (2), a spring plate (3), a sliding plate (4) and a positioning block (5), one end of the spring (2) is fixedly connected with the spring plate (3) and is installed inside the main body (1), the spring plate (3) is slidably connected with the main body (1) and is installed inside the main body (1), the sliding plate (4) is fixedly installed on the spring plate (3) and is circumferentially arranged on the spring plate (3), and the positioning block (5) is cooperatively connected with the main body (1) and is installed inside the main body (1), the positioning assembly comprises a first connecting rod (6), a second connecting rod (7) and a roller (8), the first connecting rod (6) is threadedly engaged with the main body (1) and the spring plate (3) and is slidably connected with the second connecting rod (7) and is installed on the main body (1), the second connecting rod (7) is threadedly engaged with the first connecting rod (6) and is rotatably connected with the spring plate (3) and is installed on the spring plate (3), and the roller (8) is rotatably connected with the spring plate (3) and is installed on the spring plate (3).
2. A blind plate for a fire fighting pipe according to claim 1, characterized in that: The spring plate (3) is provided with a limiting block (9), and the main body (1) is provided with a limiting groove (10) inside.
3. The blind plate for a fire fighting pipe according to claim 1, wherein: The main body (1) is provided with a mounting groove (11), and one end of the spring (2) is installed in the mounting groove (11).
4. The blind for a fire hose according to claim 2, wherein: The main body (1) is provided with a first threaded hole (12), the first connecting rod (6) is provided with a first external thread (13), and the first external thread (13) is threadedly engaged with the first threaded hole (12).
5. The blind for a fire hose according to claim 2, wherein: The second connecting rod (7) is provided with a second threaded hole (14), the first connecting rod (6) is provided with a second external thread (15), and the second external thread (15) is threadedly engaged with the second threaded hole (14).
6. A blind plate for a fire fighting pipe according to claim 2, characterized in that: The main body (1) is provided with an insertion hole (16) and a fixing hole (17), the spring plate (3) is cooperatively connected with the insertion hole (16), and the fixing hole (17) is installed in the spring plate (3).
7. A blind plate for a fire fighting pipe according to claim 5, characterized in that: The first connecting rod (6) is provided with a rotating strip (18), the second connecting rod (7) is provided with a friction block (19), and the friction block (19) is circumferentially arranged on the second connecting rod (7).
8. The blind for a fire hose according to claim 2, wherein: The main body (1) is provided with a mounting disc (20), and the limiting groove (10) is arranged in the mounting disc (20) and is circumferentially arranged in the mounting disc (20).