Elbow pipe convenient to connect and install

By installing corrugated pipes and limiting components on the bends, the installation difficulties of existing bends under construction errors and space constraints are solved, enabling convenient connection and efficient construction, and improving the stability and durability of the pipeline system.

CN224017944UActive Publication Date: 2026-03-20WENZHOU YATE VALVE PIPE FITTING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-16
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing bends are difficult to adapt to construction errors and space constraints during installation, resulting in long installation time, high cost, and reduced sealing performance, which affects the stability and lifespan of the pipeline system.

Method used

A structure including a bend, a connecting disc, a bellows, and a limiting component is designed. The bellows' adaptive deformation adjustment capability is utilized, combined with the protection of high-strength stainless steel and a rubber sleeve, and the limiting component is equipped to ensure connection stability and sealing.

Benefits of technology

It improves construction efficiency, reduces the work of correcting installation errors, enhances the stability and sealing of pipe connections, and extends service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pipelines, in particular to a bent pipe convenient to connect and install, which comprises a bent pipe, a connecting disc is fixedly installed on the lower side of the bent pipe, and a connecting assembly is arranged on the lower side of the connecting disc. The connecting assembly comprises a top disc, the top disc is in threaded connection with the connecting disc through a bolt, the lower side of the top disc is fixedly connected with a corrugated pipe, the corrugated pipe is sleeved with a rubber sleeve, the lower end of the corrugated pipe is fixedly connected with a connecting ring, the lower side of the connecting ring is fixedly connected with a butt-joint pipe, and the lower end of the butt-joint pipe and the right side end of the bent pipe are fixedly connected with butt-joint mounting discs. A plurality of sets of hexagonal connecting bolts are arranged on the butt-joint mounting disc in a threaded connection mode, and a plurality of sets of limiting assemblies are arranged on the butt-joint mounting disc. Due to the fact that the butt joint assembly is arranged on the bent pipe, the structural strength is guaranteed, meanwhile, a certain adjustment allowance of construction errors is achieved, on-site pipeline butt joint construction and installation are more convenient, construction efficiency is improved, and practicability is enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline technical field especially, relate to a bend convenient to connect installation. BACKGROUND

[0002] In modern industry and building field, pipeline system as the key infrastructure of fluid transmission, is widely used in water supply and drainage, gas delivery, petroleum chemical industry and so on many industries. As the important component of realizing direction change in pipeline system, the convenience and reliability of installation connection of bend directly influence the construction progress and operation stability of whole pipeline system.

[0003] At present, in steel pipe pipeline system, the traditional butt joint bend is mostly the fixed angle and size's standard product, does not have the adjustment function. When the installation error, the site space limitation or the pipeline trend fine adjustment demand appear in actual construction process, this fixed structure's bend is difficult to adapt to actual working condition, leads to needing to consume a lot of time and manpower to correct, polish or re-customize the pipe fitting in the installation process, not only increases the construction cost, but also seriously influences construction efficiency. In addition, forcibly installing the bend with error, can lead to the sealing property of pipeline connection place to drop, causes the leakage risk, even influences the structural strength and service life of whole pipeline system.

[0004] Therefore, it is urgent to develop a bend convenient to connect installation and having adjustment function to solve the problems in the prior art and meet the actual needs under complex construction environment. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art and provides a bend convenient to connect installation.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A bend convenient to connect installation, including bend, the lower side fixed mounting of bend has the connecting disc, the lower side of connecting disc is provided with connecting assembly, the connecting assembly includes the top disc, the top disc is connected with the connecting disc through bolt screwing, the lower side fixed connection of top disc has the bellows, the outer side of bellows is equipped with rubber sleeve, the lower end fixed connection of bellows has the connecting ring, the lower side fixed connection of connecting ring has the butt joint pipe, the lower end and the right side end of butt joint pipe fixed connection has the butt joint mounting disc, the butt joint mounting disc is provided with a plurality of groups of hexagonal connecting bolts on screwing, the butt joint mounting disc is provided with a plurality of groups of limiting components.

[0008] Further, the bend, the bellows and the butt joint pipe are all made of high-strength stainless steel.

[0009] Further, a plurality of ring grooves are evenly formed on the outer wall of the rubber sleeve.

[0010] Further, the rubber ring groove is arranged at the port of the docking mounting disc.

[0011] Further, a sealing ring is arranged at the connection between the connecting disc and the top disc.

[0012] Further, the limiting assembly comprises a fixed column and a fixed block, the fixed column and the fixed block are fixedly installed on the upper side of the docking mounting disc, a rotating sleeve is rotatably arranged on the outer side of the fixed column, a limiting lever is fixedly connected to the rotating sleeve, and one end of the limiting lever is abutted with the side wall of the hexagonal connecting bolt.

[0013] Further, a torsion spring is fixedly connected between the upper side of the rotating sleeve and the outer wall of the fixed column.

[0014] Further, a sealing sleeve is arranged on the outer side of the torsion spring.

[0015] Compared with the related art, the bend pipe convenient to connect and install has the following advantages

[0016] Beneficial effects:

[0017] In the utility model, the bend pipe convenient to connect and install is provided with the docking assembly on the bend pipe, the corrugated pipe system is connected into the bend pipe in the docking assembly, the self-adapting deformation adjusting capacity of the corrugated pipe is utilized, the bend pipe docking portion has a certain adjusting allowance, meanwhile, the corrugated pipe is made of high-strength stainless steel material, the compression resistance of the whole pipe system is guaranteed, the rubber sleeve is further arranged on the outer side of the corrugated pipe, the protection effect of the outer wall of the corrugated pipe is further improved, the durability of the corrugated pipe is improved, the structure strength is guaranteed, and a certain construction error adjusting allowance is also provided, so that the pipe docking construction and installation on site are more convenient, the construction efficiency is improved, and the practicability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the bend pipe convenient to connect and install;

[0019] Figure 2 It is a three-dimensional disassembly structure schematic view of the bend pipe convenient to connect and install;

[0020] Figure 3 It is a three-dimensional structure schematic view of the connecting assembly;

[0021] Figure 4 It is a three-dimensional sectional structure schematic view of the connecting assembly;

[0022] Figure 5 It is a three-dimensional structure schematic view of the limiting assembly;

[0023] Figure 6 It is a schematic view of the three-dimensional split structure of the limiting assembly.

[0024] In the figure: 1, elbow; 2, butt joint mounting disc; 3, connecting disc; 31, sealing ring; 4, connecting assembly; 41, top disc; 42, corrugated pipe; 43, rubber sleeve; 44, ring groove; 45, connecting ring; 46, butt joint pipe; 5, limiting assembly; 51, fixed column; 52, rotating sleeve; 53, limiting lever; 54, torsion spring; 55, fixed block; 56, sealing sleeve; 6, rubber ring groove. DETAILED DESCRIPTION

[0025] The utility model will be further described below in combination with the drawings and embodiments.

[0026] Reference Figures 1-6 , a kind of elbow for facilitating connection installation: including elbow 1, connecting disc 3 is fixedly installed in elbow 1 lower side, connecting disc 3 lower side is provided with connecting assembly 4;Connecting assembly 4 includes top disc 41, top disc 41 is connected with connecting disc 3 by bolt screwing, top disc 41 lower side is fixedly connected with corrugated pipe 42, corrugated pipe 42 outside is sleeved with rubber sleeve 43, corrugated pipe 42 lower end is fixedly connected with connecting ring 45, connecting ring 45 lower side is fixedly connected with butt joint pipe 46, butt joint pipe 46 lower end and elbow 1 right side end are fixedly connected with butt joint mounting disc 2, butt joint mounting disc 2 is screwingly provided with several groups of hexagonal connecting bolts, butt joint mounting disc 2 is provided with several groups of limiting assembly 5, connecting disc 3 and top disc 41 junction are provided with sealing ring 31.

[0027] Through the above-mentioned mode of setting, the setting of sealing ring 31 guarantees the sealing property of the screwing installation place of connecting disc 3 and top disc 41 of elbow 1 lower end.

[0028] In the present manner, elbow 1, corrugated pipe 42 and butt joint pipe 46 are all high-strength stainless steel materials.

[0029] Through the above-mentioned mode of setting, the structural strength and durability of the whole elbow system are improved.

[0030] In the present manner, several ring grooves 44 are evenly arranged on the outer wall of rubber sleeve 43.

[0031] Through the above-mentioned mode of setting, rubber sleeve 43 is sleeved on the outside of corrugated pipe 42, so that the inside is attached to corrugated pipe 42, when corrugated pipe 42 is bent, because the deformation ability of rubber material is good, rubber sleeve 43 always maintains the state of being attached to corrugated pipe 42, and provides protection to the outside of corrugated pipe 42, the structural characteristic of corrugated pipe 42 is that the structure strength is low at the corrugated folding place, and it is easy to be damaged by knocking, the rubber sleeve 43 arranged on the outside realizes 360-degree dead angle protection for corrugated pipe 42, and the service life of corrugated pipe 42 is improved.

[0032] In the mode, the rubber ring groove 6 is arranged at the port of the docking mounting disc 2.

[0033] Through the above-mentioned mode, the rubber ring groove 6 is used to place the rubber gasket.

[0034] In the mode, the limiting assembly 5 includes a fixed column 51 and a fixed block 55, both of which are fixedly installed on the upper side of the docking mounting disc 2, the outer side of the fixed column 51 is rotatably sleeved with a rotating sleeve 52, the rotating sleeve 52 is fixedly connected with a limiting lever 53, one end of the limiting lever 53 abuts against the side wall of the hexagonal connecting bolt, and the torsion spring 54 is fixedly connected between the upper side of the rotating sleeve 52 and the outer wall of the fixed column 51.

[0035] Through the above-mentioned mode, under the action of the torsion spring, one end of the limiting lever 53 abuts against the fixed block 55, and the other end of the limiting lever 53 abuts against the side wall of the hexagonal connecting bolt, when the hexagonal connecting bolt is counterclockwise rotated (for example Figure 5 and Figure 6 During the screwing installation, the torsional force of the wrench on the hexagonal connecting bolt can overcome the torsional force of the torsion spring 54, so that the side edge of the hexagonal bolt drives the limiting lever 53 to rotate clockwise, and then the side edge of the hexagonal bolt can smoothly pass through the limiting action of the limiting lever 53, when the installation is completed, during the daily use process, when the hexagonal connecting bolt begins to loosen, the hexagonal connecting bolt needs to be rotated clockwise, at this time, the other end of the limiting lever 53 abuts against the fixed block 55, and the other end thereof abuts against the side edge of the hexagonal connecting bolt, so as to limit the clockwise loosening rotation of the hexagonal connecting bolt, and then through the arrangement of the limiting assembly 5, the loosening of the hexagonal connecting bolt on the docking mounting disc 2 can be effectively prevented, and the connection stability of the docking mounting disc 2 and the related connecting pipeline is ensured.

[0036] In the mode, the outer side of the torsion spring 54 is covered with a sealing sleeve 56.

[0037] Through the above-mentioned mode, the sealing sleeve 56 is arranged, and the protective effect of the torsion spring 54 is provided.

[0038] The working principle of the elbow pipe convenient for connection and installation is as follows:

[0039] In use, first, the preliminary assembly of the bend pipe 1 and the connecting assembly 4 is carried out, the sealing ring 31 is placed at the connecting position of the connecting disc 3 and the top disc 41, the top disc 41 and the connecting disc 3 are fixed by screwing, the sealing ring 31 can effectively ensure the sealing of the connecting position and prevent fluid leakage, after the preliminary assembly is completed, the butt joint installation of the bend pipe and other pipelines is carried out, the butt joint pipe 46 lower end and the butt joint installation disc 2 of the right side end of the bend pipe 1 are butt jointed with the corresponding pipelines, the rubber ring is placed in the rubber ring groove 6 of the butt joint installation disc 2, and the sealing performance is further enhanced, then, the hexagonal connecting bolt is used to connect and fix the butt joint installation disc 2 and the corresponding pipeline, in the process of tightening the hexagonal connecting bolt, since the limiting assembly 5 exists, the torsional force of the wrench on the hexagonal connecting bolt can overcome the torsional force of the torsional spring 54, the side of the hexagonal bolt drives the limiting lever 53 to rotate clockwise, so that the installation is smoothly completed through the block of the limiting lever 53, after the installation is completed, under the action of the torsional spring 54, one end of the limiting lever 53 abuts against the fixed block 55, the other end abuts against the side wall of the hexagonal connecting bolt, and the hexagonal connecting bolt is prevented from loosening.

[0040] In the installation process, if error exists in actual construction, the space is limited on site or the pipeline direction needs to be slightly adjusted, the self-adaptive adjusting deformation ability of the corrugated pipe 42 plays a role, since the corrugated pipe 42 itself has the characteristics of being bendable and scalable, the angle and position of the bend pipe butt joint position can be adjusted within a certain range, so that the complex construction environment is adapted, the correction, polishing or reordering of the pipe fitting caused by error is reduced, and the construction efficiency is improved.

[0041] The above only describes the embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A bend that is easy to connect and install, characterized in that, Includes a bend (1), a connecting plate (3) is fixedly installed on the lower side of the bend (1), and a connecting component (4) is provided on the lower side of the connecting plate (3); The connecting assembly (4) includes a top plate (41), which is bolted to the connecting plate (3). A corrugated pipe (42) is fixedly connected to the lower side of the top plate (41). A rubber sleeve (43) is fitted on the outer side of the corrugated pipe (42). A connecting ring (45) is fixedly connected to the lower end of the corrugated pipe (42). A connecting pipe (46) is fixedly connected to the lower side of the connecting ring (45). A docking mounting plate (2) is fixedly connected to the lower end of the connecting pipe (46) and the right side of the bend (1). Several sets of hexagonal connecting bolts are bolted on the docking mounting plate (2). Several sets of limiting components (5) are provided on the docking mounting plate (2).

2. The bend in the pipe according to claim 1, characterized in that, The bend (1), corrugated pipe (42) and butt joint pipe (46) are all made of high-strength stainless steel.

3. The bend in the pipe according to claim 1, characterized in that, Several annular grooves (44) are evenly distributed on the outer wall of the rubber sleeve (43).

4. The bend in the pipe according to claim 1, characterized in that, A rubber ring groove (6) is provided at the port of the docking installation plate (2).

5. The bend in the pipe according to claim 1, characterized in that, A sealing ring (31) is provided at the connection between the connecting plate (3) and the top plate (41).

6. The bend in the pipe according to claim 1, characterized in that, The limiting component (5) includes a fixed post (51) and a fixed block (55). The fixed post (51) and the fixed block (55) are both fixedly installed on the upper side of the docking mounting plate (2). A rotating sleeve (52) is rotatably sleeved on the outside of the fixed post (51). A limiting lever (53) is fixedly connected on the rotating sleeve (52). One end of the limiting lever (53) abuts against the side wall of the hexagonal connecting bolt.

7. A bend in a pipe that is easy to connect and install according to claim 6, characterized in that, A torsion spring (54) is fixedly connected between the upper side of the rotating sleeve (52) and the outer wall of the fixed column (51).

8. A bend in a pipe that is easy to connect and install according to claim 7, characterized in that, The torsion spring (54) is covered with a sealing sleeve (56).