CN220851215U

CN220851215U - Connecting elbow for pipeline transformation

Info

Publication number: CN220851215U
Application number: CN202322283346.4U
Authority: CN
Inventors: 方亮; 王晓玄; 史振元; 史兴其
Original assignee: Cangzhou Xingyuan Casting Industry Co ltd
Current assignee: Cangzhou Xingyuan Casting Industry Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-04-26
Anticipated expiration: 2033-08-24

Abstract

The utility model provides a connecting elbow for pipeline transformation, which comprises an elbow body, a sealing structure and a reinforcing structure. The elbow body has two link. The sealing structure is provided with two, and the two sealing structures are respectively arranged on the two connecting ends. The reinforcing structure is provided with two reinforcing structures, the two reinforcing structures are arranged on the elbow body and correspond to the two connecting ends one to one and are respectively connected with the two straight pipes, and after the sealing structure and the elbow body are connected with the two straight pipes in a sealing mode, the two straight pipes can be held tightly respectively and limited in the axial direction of each straight pipe. The connecting elbow for pipeline transformation provided by the utility model can limit and fix each branch pipe in the axial direction of each branch pipe, can ensure the connection strength of the elbow body and two straight pipes, further can effectively resist the water hammer effect, can prolong the service life, and has strong practicability.

Description

Connecting elbow for pipeline transformation

Technical Field

The utility model belongs to the technical field of pipeline connection, and particularly relates to a connecting elbow for pipeline transformation.

Background

Urban construction is not separated from the water supply and drainage pipeline system, which is usually arranged underground. Along with the development of cities, the water supply and drainage pipeline system generally relates to pipeline transformation in order to ensure normal use of residents, and the transformation process can be used for adapting to the demands of the residents or can be damage of the pipelines. The process of retrofitting typically involves interconnecting two vertical lines, which requires the use of elbow connectors.

In the prior art, a structure of tightening a screw cap and a sealing rubber pad is generally adopted for connecting an elbow and two pipelines (for example, the application number is CN201420194227.X, the patent name is a novel pipeline and elbow sealing connection structure), and the structure realizes the connection of pipelines mainly by co-extruding the sealing rubber ring on an elbow body by tightening the screw cap. However, for water supply and drainage pipelines, the internal flow of the pipeline is usually liquid water, and the pipeline is opened and closed, so that a water hammer effect can be generated in the pipeline, particularly, the water hammer effect directly acts on the elbow connector between two pipelines which are perpendicular to each other. Because of the threaded connection of screw cap, after long-time use, the elbow body constantly receives the effect of water hammer effect, can lead to droing, can't guarantee life, and the practicality is poor.

Disclosure of utility model

The embodiment of the utility model provides a connecting elbow for pipeline transformation, which aims to solve the problem that the existing elbow connector is poor in practicability because the water hammer effect cannot be resisted for a long time.

In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is a connection elbow for pipeline modification, comprising:

the elbow body is provided with two connecting ends;

The sealing structures are arranged in two and are respectively arranged on the two connecting ends;

The reinforcing structure is provided with two reinforcing structures, the two reinforcing structures are arranged on the elbow body and correspond to the two connecting ends one by one and are connected with the two straight pipes respectively, and the reinforcing structures are used for tightly holding the two straight pipes respectively and limiting the straight pipes in the axial direction of the straight pipes after the sealing structure is connected with the elbow body in a sealing mode together with the two straight pipes.

In one possible implementation, each of the reinforcing structures includes:

The flange plate is sleeved on the elbow body and is arranged at intervals with one of the connecting ends;

The anchor ear comprises two semi-rings and bolts; the two semi-rings are used for being combined and sleeved on the corresponding straight pipes, each semi-ring is provided with a connecting part extending outwards along the radial direction of the straight pipe, and the connecting parts are arranged corresponding to the flanges; the bolts are used for locking the two half rings which are in butt joint;

The connecting screws are arranged in two and are in one-to-one correspondence with the two connecting parts; one end of each connecting screw rod is abutted against the flange plate, and the other end sequentially passes through the flange plate and the corresponding connecting part;

The connecting nuts are arranged in a one-to-one correspondence mode with the two connecting screws respectively, and each connecting nut is in threaded connection with the other end of the corresponding connecting screw so as to lock the flange plate and the connecting portion.

In one possible implementation, the flange is integrally connected to the elbow body.

In one possible implementation, a via is provided on the connection through which the connection screw passes.

In one possible implementation, each of the sealing structures includes:

the screw cap is in threaded connection with the corresponding connecting end;

The rubber ring is sleeved on the corresponding straight pipe and is used for extending to fill gaps between the branch pipe and the connecting end under the condition that the nut and the connecting end are extruded together;

Wherein, each connecting end is provided with an external thread for the threaded connection of the screw cap;

Wherein, each connecting end is provided with a conical expansion part for placing the rubber ring.

In one possible implementation, the external thread is located between the connection end and the corresponding flange plate.

In this implementation mode, the seal structure who sets up on two connection ends of elbow body can guarantee to be connected convenient to two straight tubes, and set up two reinforced structure on the elbow body and can be connected with two straight tubes respectively to after holding two straight tubes tightly, can also carry out spacing fixedly to each branch pipe at the axis direction of each branch pipe, can guarantee the joint strength of elbow body and two straight tubes, and then can effectually resist the water hammer effect, can increase of service life, the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of a connecting elbow for pipeline modification according to an embodiment of the present utility model;

Fig. 2 is a schematic top view (cross section) of a connection elbow for pipeline modification according to an embodiment of the present utility model;

reference numerals illustrate:

10. An elbow body; 11. a connection end; 12. a conical expansion part; 20. a sealing structure; 21. a screw cap; 22. a rubber ring; 30. a reinforcing structure; 31. a flange plate; 32. a hoop; 33. a connecting screw; 34. a coupling nut; 35. and a connecting part.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 and 2 together, the present utility model provides a connecting elbow for pipeline modification. The connecting elbow for pipeline transformation comprises an elbow body 10, a sealing structure 20 and a reinforcing structure 30. The elbow body 10 has two connection ends 11. The sealing structures 20 are arranged in two, and the two sealing structures 20 are respectively arranged on the two connecting ends 11. The reinforcing structure 30 is provided with two reinforcing structures 30, the two reinforcing structures 30 are arranged on the elbow body 10 and are in one-to-one correspondence with the two connecting ends 11 and are respectively connected with the two straight pipes, and after the sealing structure 20 and the elbow body 10 are connected with the two straight pipes in a sealing mode, the two straight pipes can be respectively held tightly and the straight pipes are limited in the axial direction of the straight pipes.

Compared with the prior art, the connecting elbow for pipeline transformation provided by the embodiment has the advantages that the sealing structure 20 arranged on the two connecting ends 11 of the elbow body 10 can ensure convenient connection of two straight pipes, the two reinforcing structures 30 arranged on the elbow body 10 can be respectively connected with the two straight pipes, after the two straight pipes are tightly held, the two straight pipes can be limited and fixed to the branch pipes in the axial direction of the branch pipes, the connecting strength of the elbow body 10 and the two straight pipes can be ensured, the water hammer effect can be effectively resisted, the service life can be prolonged, and the practicability is strong.

In some embodiments, the reinforcement structure 30 may be as shown in fig. 1 and 2. Referring to fig. 1 and 2, each reinforcing structure 30 includes a flange 31, a hoop 32, a connecting screw 33, and a connecting nut 34. The flange 31 is sleeved on the elbow body 10 and is spaced from one of the connection ends 11. The anchor ear 32 comprises two half rings and bolts. The two semi-rings can be sleeved on the corresponding straight pipe in a matching way, each semi-ring is provided with a connecting part 35 extending outwards along the radial direction of the straight pipe, and the connecting parts 35 are arranged corresponding to the flange 31. The bolt can lock the two half rings which are matched. The two connecting screws 33 are arranged, and the two connecting screws 33 are arranged in one-to-one correspondence with the two connecting parts 35; one end of each connecting screw 33 is abutted against the flange 31, and the other end sequentially passes through the flange 31 and the corresponding connecting portion 35. The two connecting nuts 34 are provided, the two connecting nuts 34 are respectively arranged in one-to-one correspondence with the two connecting screws 33, and each connecting nut 34 is in threaded connection with the other end of the corresponding connecting screw 33 so as to lock the flange 31 and the connecting portion 35.

Staple bolt 32 is through the involution of two semi-rings to through the locking of bolt, the holding that can be stable is tightly on the outer wall of straight tube, and rethread connecting screw 33 links to each other with flange 31 on staple bolt 32 and elbow body 10 that coupling nut 34 can be stable, can carry out spacing fixedly to the straight tube at the axis direction of straight tube, in order to guarantee that elbow body 10 receives behind the water hammer effect, can transmit the atress to the straight tube, can effectually avoid elbow body 10 to drop on the straight tube, simple structure, and the preparation is convenient, and the practicality is strong.

In some embodiments, the flange 31 is configured as shown in fig. 1 and 2. Referring to fig. 1 and 2, the flange 31 is integrally formed with the elbow body 10, and the structure can ensure convenient manufacture, and meanwhile, the connection strength of the flange 31 and the elbow body 10 can be ensured, so that the practicability is strong.

In some embodiments, the connection portion 35 may have a structure as shown in fig. 1. Referring to fig. 1, a via hole through which the connection screw 33 passes is provided in the connection portion 35, and the via hole ensures the passage of the connection screw 33.

In this embodiment, the connecting portion 35 may be disposed at a middle position of the half ring, and the connecting portion 35 and the half ring are integrally formed.

In some embodiments, the sealing structure 20 may be as shown in fig. 1 and 2. Referring to fig. 1 and 2, each sealing structure 20 includes a nut 21 and a rubber ring 22. The nuts 21 are screwed with the corresponding connection ends 11. The rubber ring 22 is sleeved on the corresponding straight pipe, and can extend to fill gaps between the branch pipe and the connecting end 11 under the condition that the nut 21 and the connecting end 11 are extruded together.

External threads for threaded connection of the nut 21 are provided on each connection end 11.

A tapered opening 12 for placing the rubber ring 22 is provided at each connection end 11.

The structure can ensure the sealing connection between the elbow body 10 and the straight pipe, and is convenient to connect, and the technology is the prior art and is not repeated here.

The aperture of the conical expansion part 12, namely the position close to the connecting end 11, is larger than the aperture far away from the connecting end 11, and the structure can ensure the placement of the rubber ring 22 and simultaneously ensure the extrusion of the rubber ring 22.

In order to ensure convenient rotation of the nut 21, the nut 21 may be provided with a hexagonal external structure.

In some embodiments, the external thread may have a structure as shown in fig. 1 and 2. Referring to fig. 1 and 2, the external threads are located between the connection end 11 and the corresponding flange 31. The structure can ensure the interference between the flange 31 and the screw cap 21, thereby ensuring the stable sealing operation.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. Connecting elbow for pipeline transformation, its characterized in that includes:

the elbow body is provided with two connecting ends;

2. The piping adapter connector elbow according to claim 1, wherein each of said reinforcing structures comprises:

3. The connection elbow for pipeline modification according to claim 2, wherein the flange is integrally formed with the elbow body.

4. The connection elbow for pipeline modification according to claim 2, wherein a via hole through which the connection screw passes is provided in the connection portion.

5. The piping adapter elbow according to claim 2, wherein each of said sealing structures comprises:

the screw cap is in threaded connection with the corresponding connecting end;

6. The piping connection elbow according to claim 5, wherein said external threads are located between said connection end and said corresponding flange.