Fixing device for preventing directly-buried pipeline from settling and stretching

By designing a fixing device including sleeve, bump and baffle, combined with a combination of bidirectional screw and threaded groove, the problems of low assembly efficiency and inability to adjust the sleeve length in the prior art are solved, and efficient pipeline fixation and adaptive design are achieved.

CN222798294UActive Publication Date: 2025-04-25CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP
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Patent Information

Application Number
CN202421806241.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-29
Publication Date
2025-04-25
Estimated Expiration
2034-07-29

AI Technical Summary

Technical Problem

The existing fixing devices for anti-settlement and stretching of direct buried pipes need to twist too much threaded column mechanism during assembly, which affects efficiency, and the length of the sleeve mechanism cannot be adjusted and cannot be suitable for some pipe connections.

Method used

A fixing device including a sleeve, a bump and a baffle is designed. The sleeve mechanism is arranged at the end of the pipe through a sleeve mechanism, and the fitting of the insert block and the slot is combined with the fixing method of threaded columns and nuts to form a stable reinforcement fixing mechanism. At the same time, through the combination of bidirectional screw and thread groove, the sleeve mechanism length can be adjusted to adapt to the exposed length of different pipes.

Benefits of technology

The number of threaded column mechanisms is reduced, the assembly and fixation efficiency is improved, the practicality and versatility of the device are enhanced, and it can be used for a variety of pipe connections.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pipeline fixation, and discloses a fixing device for preventing a directly-buried pipeline from settling and stretching, which comprises two groups of pipeline bodies, sleeves are sleeved on the outer sides of the end parts of the pipeline bodies, and bumps are fixedly arranged on the two sides of the sleeves and the two sides of the end parts of the pipeline bodies. By arranging the sleeve, the protruding block and the baffles, the sleeve mechanism is arranged at the end of the pipeline in a sleeved mode, then the inserting blocks of the front baffle and the rear baffle are made to be close to the protruding block and inserted into the inserting grooves of the protruding block, then the inserting blocks penetrate through the threaded column and are connected with the nut in a screwed mode, at the moment, the guide rod penetrates through the rear baffle to form a stable reinforcing and fixing mechanism, and then the joint of the pipeline is welded. Compared with an existing mode, the limiting structure has the advantages that the number of used threaded column mechanisms is small, the assembling and fixing efficiency is directly improved, and practicability is high.
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Description

Technical Field

[0001] The utility model relates to the technical field of pipeline fixing, in particular to a fixing device for preventing direct-buried pipelines from settling and stretching. Background Art

[0002] During the construction process, it is necessary to pre-buried water supply pipes inside the wall. The current water supply pipes include a pipe body and a pipe joint for connecting the pipe body. The pipe body and the pipe joint are connected together by welding.

[0003] After searching (application number: 201920880058.8), it can be learned that a fixing device for preventing direct-buried pipes from sinking and stretching includes a pipe joint and pipes connected to the two ends of the pipe joint. The outer walls on both sides of the pipe joint are provided with integrally formed lugs, and each lug is fixed to the wall by an expansion bolt; a clamp is fixed on the outer wall of the pipe facing the joint, and pull rods are hinged on the outer walls on both sides of each end of the pipe joint, and the end of each pull rod away from the pipe joint is fixed to one end of the clamp on the pipe on the corresponding side.

[0004] In the process of realizing the utility model, the inventors found that the following problems existed in the prior art and have not been solved: although the fixing device for preventing direct-buried pipes from sinking and stretching has a good reinforcement function and can realize the stretching of anti-direct-buried pipes from sinking, it requires more threaded column mechanisms, and too many threaded column mechanisms need to be twisted during assembly, which directly affects the efficiency. At the same time, the length of the sleeve mechanism cannot be adjusted, and it cannot be applied to some pipe connections, which urgently needs to be improved. Therefore, we propose a fixing device for preventing direct-buried pipes from sinking and stretching. Utility Model Content

[0005] The utility model aims to provide a fixing device for preventing direct buried pipelines from settling and stretching, thereby solving the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixing device for preventing the settlement and stretching of a directly buried pipeline, comprising a pipeline body, wherein the pipeline body has two groups, and a sleeve is sleeved on the outer side of the end of the pipeline body, and both sides of the sleeve and both sides of the end of the pipeline body are fixedly installed with bumps;

[0007] The outer side of the pipeline body is integrally formed with a heat-insulating layer fixedly installed, and the two groups of pipeline bodies are connected by welding;

[0008] A front baffle and a rear baffle are respectively placed on the front and rear sides of the protrusion, and a threaded column is movably penetrated in the middle of the front baffle and the rear baffle, and a nut is screwed on the rear end of the threaded column through a thread;

[0009] Guide rods are fixedly installed on both sides of the front baffle plate close to the threaded column, and the guide rods movably penetrate the rear baffle plate;

[0010] Insert blocks are fixedly installed on both sides of the rear wall of the front baffle, and the insert blocks are inserted into the preset slots on the protrusions, and can be used in combination with components such as sleeves, protrusions and baffles. During the use of the fixing device for preventing direct-buried pipes from sinking and stretching, the sleeve mechanism is sleeved on the end of the pipe, and then the insert blocks of the front baffle and the rear baffle are brought close to the protrusions and inserted into the slots of the protrusions, and then the threaded columns are penetrated and the nuts are screwed on. At this time, the guide rod penetrates the rear baffle to form a stable reinforced fixing mechanism, and then the pipe joints are welded to achieve the prevention of direct-buried pipes from sinking and stretching. Compared with the existing method, the limiting structure uses fewer threaded column mechanisms, which directly improves the assembly and fixing efficiency and has strong practicality.

[0011] As an optional solution to the technical solution of the present application, thread grooves are provided all around the inner side of the sleeve. The sleeve is screwed to the bidirectional screw through the thread grooves and can be used in combination with components such as the bidirectional screw and the thread grooves. The bidirectional screw can be rotated in forward and reverse directions according to the exposed length of the pipe body, and the bidirectional screw moves in the thread groove. The spacing of the sleeves can be adjusted to make the length of the sleeve mechanism match the exposed length of the pipe body. The sleeve structure is adjustable and has strong versatility.

[0012] As an optional solution of the technical solution of the present application, a turn block is fixedly installed in the middle part of the bidirectional screw, and the outer wall of the turn block is provided with anti-slip texture. People can drive the screw to rotate through the turn block, which is convenient for force adjustment, and the anti-slip texture can enhance the grip friction and comfort.

[0013] As an optional solution of the technical solution of the present application, a group of the sleeves are fixedly installed with an indicator sign on the front side, and the indicator sign is printed with guiding text. The text on the indicator sign can inform different operators of the corresponding processes, thereby facilitating accurate and smooth assembly construction.

[0014] As an optional solution of the technical solution of the present application, the plug block is a rectangular structure, and the shape of the plug block is adapted to the contour of the slot, so that the contour of the component is adapted to the design to prevent loosening and shaking of the locking position, thereby effectively ensuring the locking effect.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model provides a fixing device for preventing directly buried pipes from sinking and stretching. The fixing device is provided with a sleeve, a protrusion and a baffle. During the use of the fixing device for preventing directly buried pipes from sinking and stretching, the sleeve mechanism is sleeved on the end of the pipe, and then the plug-in blocks of the front baffle and the rear baffle are brought close to the protrusion and inserted into the slot of the protrusion. Then the threaded column is penetrated and the nut is screwed on. At this time, the guide rod penetrates the rear baffle to form a stable reinforced fixing mechanism, and then the pipe joint is welded to prevent the directly buried pipe from sinking and stretching. Compared with the existing method, the limiting structure uses a smaller number of threaded column mechanisms, which directly improves the assembly and fixing efficiency and has strong practicality.

[0017] 2. The utility model provides a fixing device for preventing direct-buried pipelines from settling and stretching. By providing a bidirectional screw and a thread groove, the bidirectional screw can be rotated in forward and reverse directions according to the exposed length of the pipeline body. The bidirectional screw moves in the thread groove, and the spacing of the sleeves can be adjusted to make the length of the sleeve mechanism match the exposed length of the pipeline body. The sleeve structure is adjustable and has strong versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0019] Figure 1 This is a schematic diagram of the overall main structure of a fixing device for preventing direct buried pipelines from settling and stretching according to the utility model;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the top view of the connection part between the protrusion and the baffle of a fixing device for preventing the direct buried pipeline from settling and stretching according to the utility model;

[0021] Figure 3 It is a schematic diagram of the enlarged cross-sectional structure at point A of a fixing device for preventing direct-buried pipelines from settling and stretching according to the utility model.

[0022] In the figure: 1. pipe body; 11. welding part; 12. insulation layer; 2. sleeve; 21. thread groove; 22. rotating block; 23. bidirectional screw; 3. protrusion; 31. slot; 4. front baffle; 41. guide rod; 42. rear baffle; 43. insert block; 5. threaded column; 51. nut. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] See also Figure 1-3The utility model provides a technical solution: a fixing device for preventing direct buried pipeline from settling and stretching, comprising a pipeline body 1, wherein the pipeline body 1 has two groups, and a sleeve 2 is sleeved on the outer side of the end of the pipeline body 1, and an indicator sign is fixedly installed on the front side of one group of sleeves 2, and guiding text is printed on the indicator sign, and the text on the indicator sign can be used to inform different operators of the corresponding procedures, so as to facilitate accurate and smooth assembly and construction, and protrusions 3 are fixedly installed on both sides of the sleeve 2 and both sides of the end of the pipeline body 1; a heat preservation layer 12 is integrally formed and fixedly installed on the outer side of the pipeline body 1, and the two groups of pipeline bodies 1 are connected by a welding portion 11; the front and rear of the protrusion 3 are fixedly installed. A front baffle 4 and a rear baffle 42 are placed on both sides respectively, and a threaded column 5 is movably penetrated in the middle of the front baffle 4 and the rear baffle 42, and a nut 51 is screwed on the rear end of the threaded column 5 through a thread; guide rods 41 are fixedly installed on both sides of the front baffle 4 close to the threaded column 5, and the guide rods 41 are movably penetrated in the rear baffle 42; plug blocks 43 are fixedly installed on both sides of the rear wall of the front baffle 4, and the plug blocks 43 are inserted into the preset slots 31 on the protrusion 3. The plug blocks 43 are rectangular structures, and the shape of the plug blocks 43 is adapted to the contour of the slots 31, so that the contour of the component is adapted to the design to prevent loosening and shaking of the card position, effectively ensuring the card position effect.

[0025] In this technical solution, the sleeve 2, the protrusion 3, the baffle and other components can be used in combination. During the use of the fixing device for preventing the direct-buried pipe from sinking and stretching, the sleeve mechanism is sleeved on the end of the pipe, and then the plug 43 of the front baffle 4 and the rear baffle 42 is brought close to the protrusion 3 and inserted into the slot 31 of the protrusion 3, and then the threaded column 5 is penetrated and the nut 51 is screwed on. At this time, the guide rod 41 penetrates the rear baffle 42 to form a stable reinforcement fixing mechanism, and then the pipe joint is welded to achieve the prevention of direct-buried pipe from sinking and stretching. Compared with the existing method, the limiting structure uses a smaller number of threaded column mechanisms, which directly improves the assembly and fixing efficiency and has strong practicality.

[0026] In some technical solutions, thread grooves 21 are provided all around the inner side of the sleeve 2, and the sleeve 2 is screwed to the bidirectional screw 23 through the thread grooves 21. A turning block 22 is fixedly installed in the middle of the bidirectional screw 23, and the outer wall of the turning block 22 is provided with anti-slip textures. People can drive the screw to rotate through the turning block 22, which is convenient for force adjustment, and the anti-slip textures can enhance the friction and comfort of holding.

[0027] In this technical solution, the bidirectional screw 23 and the thread groove 21 and other components can be used together. According to the exposed length of the pipe body 1, the bidirectional screw 23 can be rotated in the forward and reverse directions, and the bidirectional screw 23 can move in the thread groove 21 to adjust the spacing of the sleeve 2 so that the length of the sleeve 2 mechanism is adapted to the exposed length of the pipe body 1. The sleeve 2 structure is adjustable and has strong versatility.

[0028] Working principle: It should be noted that the utility model is a fixing device for preventing direct-buried pipelines from settling and stretching. The components are all universal standard parts or components known to technical personnel in this field. The structure and principle can be known to technical personnel through technical manuals or through conventional test methods.

[0029] When a fixing device for preventing direct buried pipeline from settling and stretching is used, the fixing device is installed at the ends of two groups of direct buried pipelines, and then the intersection of the pipelines is welded, and the welding cooperates with the fixing device to reinforce the intersection, thereby achieving a good anti-settling and stretching effect;

[0030] By providing the sleeve 2, the protrusion 3 and the baffle, during the use of the fixing device for preventing the direct buried pipeline from settling and stretching, the sleeve mechanism is sleeved on the end of the pipeline, and then the plug 43 of the front baffle 4 and the rear baffle 42 is close to the protrusion 3 and inserted into the slot 31 of the protrusion 3, and then the threaded column 5 is penetrated and the nut 51 is screwed. At this time, the guide rod 41 penetrates the rear baffle 42 to form a stable reinforcement fixing mechanism, and then the pipeline intersection is welded, so that the direct buried pipeline can be prevented from settling and stretching. Compared with In the existing method, a small number of threaded column mechanisms are used, which directly improves the assembly and fixing efficiency and is highly practical. By providing a bidirectional screw 23 and a thread groove 21, the bidirectional screw 23 can be rotated in the forward and reverse directions according to the exposed length of the pipe body 1. The bidirectional screw 23 moves in the thread groove 21, and the spacing of the sleeve 2 can be adjusted to make the length of the sleeve 2 mechanism match the exposed length of the pipe body 1 (this length is the non-covered area of ​​the insulation layer 12). The sleeve 2 structure is adjustable and has strong versatility.

Claims

1. A fixing device for preventing direct buried pipeline from settling and stretching, characterized in that: It comprises a pipeline body (1), wherein the pipeline body (1) has two groups, and a sleeve (2) is sleeved on the outer side of the end of the pipeline body (1), and protrusions (3) are fixedly installed on both sides of the sleeve (2) and both sides of the end of the pipeline body (1); A heat-insulating layer (12) is integrally formed and fixedly mounted on the outer side of the pipeline body (1), and two groups of the pipeline bodies (1) are connected via a welding portion (11); A front baffle (4) and a rear baffle (42) are respectively placed on the front and rear sides of the protrusion (3); a threaded column (5) is movably penetrated through the middle of the front baffle (4) and the rear baffle (42); a nut (51) is screwed on the rear end of the threaded column (5) through a thread; Guide rods (41) are fixedly mounted on both sides of the front baffle (4) close to the threaded column (5), and the guide rods (41) are movably inserted through the rear baffle (42); Insertion blocks (43) are fixedly mounted on both sides of the rear wall of the front baffle (4), and the insertion blocks (43) are inserted into slots (31) preset on the protrusion (3).

2. A fixing device for preventing direct buried pipeline from settling and stretching according to claim 1, characterized in that: The inner side of the sleeve (2) is provided with thread grooves (21) all around, and the sleeve (2) is screwed to the bidirectional screw (23) via the thread grooves (21).

3. A fixing device for preventing direct buried pipeline from settling and stretching according to claim 2, characterized in that: A rotating block (22) is fixedly mounted in the middle of the bidirectional screw rod (23), and an anti-slip pattern is provided on the outer wall of the rotating block (22).

4. The fixing device for preventing direct buried pipeline from settling and stretching according to claim 1 is characterized in that: A set of indication signs are fixedly mounted on the front side of the sleeves (2), and guiding words are printed on the indication signs.

5. The fixing device for preventing direct buried pipeline from settling and stretching according to claim 1 is characterized in that: The insert block (43) is a rectangular parallelepiped structure, and the shape of the insert block (43) is adapted to the contour of the slot (31).

Citation Information

Patent Citations

  • Fixing device for preventing directly-buried pipeline from settling and stretching

    CN210014129U