Pipeline protection structure for urban gas engineering transportation and distribution
The protective assembly consisting of a sleeve, threaded post, and cover plate solves the problems of sealing and stability at the pipe end, improves sealing and stability, and prevents foreign matter from entering.
Patent Information
- Application Number
- CN202520439098.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-03-13
AI Technical Summary
In existing urban gas engineering projects, the sealing effect at the pipe ends is poor, making it difficult to ensure that the cover plate and the pipe are in tight contact, which affects the sealing performance and installation stability.
The protective assembly consists of a sleeve, a threaded post, and a cover plate. The threaded post is adjusted by a handwheel to make the cover plate seal against the end of the pipe, and it is fixed by a limit clamp and screws to ensure sealing and stability.
It improves the sealing and installation stability of the pipe ports, prevents dust and mud from entering, and enhances the performance of the pipes.
Smart Images

Figure CN223740357U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipeline protection technical field, concretely relates to city gas engineering transmission and distribution pipeline protection structure. BACKGROUND
[0002] Natural gas pipeline refers to the pipeline that transports natural gas (including associated gas produced in oil fields) from the mining site or processing plant to the city gas distribution center or industrial enterprise user, also known as gas pipeline, and the natural gas pipeline is used to transport natural gas, which is a way of transporting natural gas on land. During pipeline laying, manual transfer or equipment hoisting is generally used to move the pipeline to the appropriate position for connection and laying. In order to avoid dust, mud and other impurities entering the pipeline during laying, the end of the pipeline needs to be sealed and protected.
[0003] For example, a city gas engineering transmission and distribution pipeline protection structure is disclosed in Chinese patent CN216952220U, which includes two cover plates, each of which is provided with a first sealing ring, a second sealing ring and a third sealing ring on one side wall, and a fixing mechanism is also provided in the center of the wall on one side of each cover plate. The fixing mechanism includes an adjusting rod, an adjusting block and an arc-shaped clamping plate.
[0004] When using this structure, the presence of the slot on the cover plate will result in poor sealing effect, and it is difficult to determine whether the cover plate is tightly abutted with the end of the pipeline, which will affect the sealing performance and the stability of installation and use.
[0005] Therefore, it is necessary to provide a city gas engineering transmission and distribution pipeline protection structure to solve the problems mentioned in the background. UTILITY MODEL CONTENT
[0006] To achieve the above-mentioned purpose, the utility model provides a city gas engineering transmission and distribution pipeline protection structure, which includes a sleeve, two threaded columns are screwed at both ends of the sleeve, and the threaded directions of the threaded columns at both ends are opposite;
[0007] The opposite ends of each threaded column are respectively provided with a first protection assembly and a second protection assembly, and the first protection assembly and the second protection assembly are used to seal and protect the end of a single or two coaxially adjacent pipelines;
[0008] A hand wheel is fixedly installed on the barrel of the sleeve for synchronously adjusting the distance between the first protection assembly and the second protection assembly.
[0009] Preferably, the first protection assembly and the second protection assembly have the same structure.
[0010] Preferably, the first protection assembly and the second protection assembly each comprise: a cover plate coaxially arranged at one end of the threaded column away from the sleeve, a plurality of limiting clamping plates being circumferentially arranged at one end of the cover plate away from the threaded column, for clamping and limiting the outer wall of the pipeline; a plurality of fixing plates being spaced apart and arranged at the outer side of the end portion of the cover plate corresponding to the limiting clamping plates, a threaded hole being formed through the fixing plate, and a screw being mounted in the threaded hole, the screw being used for pressing the limiting clamping plate.
[0011] Preferably, the limiting clamping plate and the fixing plate are arc-shaped plates or V-shaped plates, and the inner arc surface or the inner V surface of the limiting clamping plate and the fixing plate is arranged towards the axis of the cover plate.
[0012] Preferably, the inner arc surface or the inner V surface of the limiting clamping plate is provided with an anti-skid structure.
[0013] Preferably, a sealing ring is arranged at the inner side of the limiting clamping plate, the sealing ring is coaxially arranged with the limiting clamping plate, and the size of the sealing ring is matched with the size of the end face of the connecting pipeline.
[0014] Preferably, the limiting clamping plate is made of a metal material or an engineering plastic.
[0015] Further, the size of the hand wheel is smaller than the size of the cover plate.
[0016] Preferably, the hand wheel is located at the middle portion of the sleeve.
[0017] Compared with the prior art, the urban gas engineering pipeline protection structure has the following beneficial effects:
[0018] 1、In the utility model, the sleeve, the hand wheel and the threaded column are used in cooperation, the sleeve is driven to rotate by rotating the hand wheel, the threaded column is adjusted to make the two cover plates seal and abut against the end portions of the two coaxial adjacent pipelines, and the sealing property of the pipeline port is improved; meanwhile, the sleeve, the first cover plate and the second cover plate can be assembled, connected and disassembled, and carrying, carrying and transporting work is facilitated.
[0019] 2、In the utility model, the fixing plate, the threaded hole, the screw and the limiting clamping plate are used in cooperation, the limiting clamping plate is pushed by rotating the screw, the connecting pipeline is fixed and limited, the installation stability is further improved, loosening is prevented, dust, mud and other sundries are prevented from entering the pipeline, and the working and using effect of the pipeline is affected. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a whole structure schematic view of the urban gas engineering pipeline protection structure.
[0021] Figure 2It is a sleeve structure schematic diagram of the pipeline protection structure for urban gas engineering transmission and distribution;
[0022] Figure 3 It is a front structure schematic diagram of the first protection assembly or the second protection assembly of the pipeline protection structure for urban gas engineering transmission and distribution;
[0023] Figure 4 It is a back structure schematic diagram of the first protection assembly or the second protection assembly of the pipeline protection structure for urban gas engineering transmission and distribution;
[0024] In the figure: 1, sleeve; 2, threaded column; 3, first protection assembly; 4, second protection assembly; 5, hand wheel; 6, cover plate; 7, limiting clamp plate; 8, fixed plate; 9, screw; 10, sealing ring. DETAILED DESCRIPTION
[0025] Please refer to Figures 1-4 The utility model provides a pipeline protection structure for urban gas engineering transmission and distribution, include: sleeve 1, the threaded column 2 is screwed respectively on both ends of sleeve 1, and the thread direction of both ends threaded column 2 is opposite;
[0026] The opposite end of each threaded column 2 is provided with a first protection assembly 3 and a second protection assembly 4, respectively, and the first protection assembly 3 and the second protection assembly 4 are used for plugging and protecting the end of a single or two coaxial adjacent pipes;
[0027] The hand wheel 5 is fixedly installed on the barrel of the sleeve 1, which is used for synchronously adjusting the distance between the first protection assembly 3 and the second protection assembly 4, so as to facilitate the plugging and protection of the end of a single pipe or two coaxial adjacent pipes.
[0028] It should be explained that when plugging a single pipe, the first protection assembly 3 or the second protection assembly 4 is placed on the support structure, and the other protection assembly is used to plug and protect the end of the pipe. After plugging is completed, the first protection assembly 3 or the second protection assembly 4 in contact with the support structure is removed, and the sleeve 1 is also removed, completing the plugging and protection of the single pipe. Specifically, the support structure is a building wall or other structure that can withstand the movement of the protection assembly without moving.
[0029] When plugging and protecting two coaxial adjacent pipes, the two pipes are placed coaxially in the air, and then the first protection assembly 3 and the second protection assembly 4 are placed at the end of the pipe. By rotating the hand wheel 5, the first protection assembly 3 and the second protection assembly 4 are synchronously extended to plug the ends of the two pipes.
[0030] Further, the first protection assembly 3 and the second protection assembly 4 are the same structure.
[0031] Further, the first protection assembly 3 and the second protection assembly 4 each comprises a cover plate 6 coaxially arranged at one end of the threaded column 2 away from the sleeve 1, a plurality of limiting clamping plates 7 are circumferentially arranged at the end of the cover plate 6 away from the threaded column 2, for clamping and limiting the outer wall of the pipeline; a plurality of fixing plates 8 are spaced apart and arranged on the outer side of the end of the cover plate 6 corresponding to the limiting clamping plates 7, a threaded hole is formed through the fixing plate 8, and a screw 9 is installed in the threaded hole, the screw 9 is used for pressing the limiting clamping plate 7.
[0032] It should be explained that when the hand wheel 5 is rotated to press the cover plate 6 against the end face of the pipeline, the screw 9 is screwed to press the limiting clamping plate 7, so that the first protection assembly 3 or the second protection assembly 4 can be stably installed at the end of the pipeline to avoid loosening.
[0033] Further, the limiting clamping plate 7 and the fixing plate 8 are arc-shaped plates or V-shaped plates, and the inner arc surface or the inner V surface of the limiting clamping plate 7 and the fixing plate 8 is arranged towards the axis of the cover plate 6.
[0034] Further, the inner arc surface or the inner V surface of the limiting clamping plate 7 is provided with an anti-skid structure.
[0035] Specifically, the anti-skid structure is a tooth pattern arranged on the inner arc surface or the inner V surface, or a rubber protective layer adhered on the inner arc surface or the inner V surface, so as to enhance the friction and prevent the pipeline from loosening.
[0036] Further, a sealing ring 10 is arranged on the inner side of the limiting clamping plate 7, the sealing ring 10 is coaxially arranged with the limiting clamping plate 7, and the size of the sealing ring 10 is matched with the size of the end face of the connecting pipeline.
[0037] Further, the limiting clamping plate 7 is made of metal material or engineering plastic.
[0038] Specifically, the metal material is stainless steel, carbon steel, etc., and the engineering plastic is polyamide, polyether ether ketone, etc.
[0039] Further, the size of the hand wheel 5 is smaller than the size of the cover plate 6.
[0040] Further, the hand wheel 5 is located in the middle of the sleeve 1.
[0041] In specific implementation, the operator adjusts the two cover plates by rotating the hand wheel to block and protect the ends of the two coaxial adjacent pipelines, and then adjusts the screw to be screwed in to lock the position of the first protection assembly or the second protection assembly, so as to prevent loosening and affect the sealing effect.
[0042] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A structure for protecting a pipeline for city gas engineering, comprising a sleeve (1), characterized in that, Sleeve (1) both ends are screwed with threaded column (2), two ends of the threaded column (2) opposite direction of thread; Each of the threaded column (2) is respectively detachable provided with first protection assembly (3) and second protection assembly (4), the first protection assembly (3) and second protection assembly (4) for single or two coaxial adjacent pipe end plugging protection; The sleeve (1) is fixedly installed with hand wheel (5) on the barrel, for the synchronous adjustment of the distance between the first protection assembly (3) and the second protection assembly (4).
2. The pipe protection structure for urban gas engineering transmission and distribution according to claim 1, characterized in that, The first protection assembly (3) and the second protection assembly (4) are the same structure.
3. The pipe protection structure for urban gas engineering according to claim 2, wherein The first protection assembly (3) and the second protection assembly (4) both include: coaxially arranged in the threaded column (2) away from the sleeve (1) one end cover plate (6), the cover plate (6) away from the threaded column (2) one end circumferential distribution of a plurality of limiting clamping plate (7), for pipe outer wall clamping limiting;The end of the cover plate (6) outside and the limiting clamping plate (7) corresponding interval distribution of a plurality of fixed plate (8), the fixed plate (8) is provided with a threaded hole, the threaded hole is installed with screw (9), the screw (9) is used for pressing the limiting clamping plate (7).
4. The pipe protection structure for urban gas engineering according to claim 3, wherein The limiting clamping plate (7) and the fixed plate (8) are arc plate or V-shaped plate structure, and the inner arc surface or inner V surface of the limiting clamping plate (7) and the fixed plate (8) is arranged towards the shaft center of the cover plate (6).
5. The pipe protection structure for urban gas engineering according to claim 3, wherein The inner arc surface or inner V surface of the limiting clamping plate (7) is provided with anti-skid structure.
6. The pipe protection structure for urban gas engineering according to claim 3, wherein The inner side of the limiting clamping plate (7) is provided with sealing ring (10), the sealing ring (10) is coaxially arranged with the limiting clamping plate (7), and the size of the sealing ring (10) is adapted to the size of the connecting pipe end face.
7. The pipe protection structure for urban gas engineering according to claim 3, wherein The limiting clamping plate (7) is made of metal material or engineering plastic.
8. The pipe protection structure for urban gas engineering according to claim 3, wherein The size of the hand wheel (5) is smaller than the size of the cover plate (6).
9. The pipe protection structure for urban gas engineering according to claim 1, wherein The hand wheel (5) is located in the middle of the sleeve (1).
Citation Information
Patent Citations
Pipeline protection structure for urban gas engineering transportation and distribution
CN216952220U