CN220581958U

CN220581958U - Loose joint elbow

Info

Publication number: CN220581958U
Application number: CN202322332778.XU
Authority: CN
Inventors: 邓海亚; 孙华丽; 颜浩宇; 黄智波; 许喜梅; 张翌晨
Original assignee: Ad Co ltd
Current assignee: Ad Co ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-03-12
Anticipated expiration: 2033-08-29

Abstract

The utility model provides a loose joint elbow, and belongs to the technical field of pipe fittings. The problems of increasing construction strength and difficulty, increasing water leakage risk, increasing water resistance in the pipe, increasing material use cost and the like caused by multiple times of connection of the pipe fitting and the pipe in the prior art are solved. The movable joint elbow comprises an elbow body, wherein the elbow body comprises a straight pipe section and an arc bending section which are communicated and are of an integrated structure, the end part of the straight pipe section is provided with a cylindrical insert, and the insert is sleeved with a connecting sleeve which can move along the length direction of the insert and is provided with internal threads. The utility model has the advantages of reducing the use of the pipe fitting during installation and simultaneously being convenient and flexible to install.

Description

Loose joint elbow

Technical Field

The utility model belongs to the technical field of pipe fittings, and relates to a loose joint elbow.

Background

The elbow is a connecting pipe fitting commonly used in water heating installation and is used for changing the direction of a pipeline. The use of the elbow makes the design installation of the pipeline become more flexible and convenient, and the existing elbow is a plane elbow, namely the elbow is wholly positioned on the same plane, and three types of elbows of 45 degrees, 90 degrees and 180 degrees are most commonly used according to the angle, however, in some specific scenes, for example, when the same-tank cold and hot water pipe is installed, the cold and hot water outlets are required to be ensured to be horizontal and have certain intervals, the 45 degrees elbow and the 90 degrees elbow are required to be combined to form an out-of-plane elbow, so that the 45 degrees elbow and the 90 degrees elbow can be respectively connected with a vertical pipeline and a horizontal pipeline, thereby achieving the required installation effect, but the installation mode has a plurality of pipe fittings, so that the number of connecting times of the pipe fittings and the pipes can bring the problems of increasing the construction strength and the difficulty, increasing the water leakage risk, increasing the water resistance in the pipe, increasing the material use cost and the like.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a loose joint elbow. The utility model aims to solve the technical problems of reducing the use of pipe fittings during installation and simultaneously facilitating flexible installation.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a loose joint elbow, includes the elbow body, its characterized in that, the elbow body is including being linked together and straight pipeline section and the arc bend section of integrated into one piece structure, the tip of straight pipeline section is provided with the inserts that are the tube-shape, and the cover is equipped with the adapter sleeve that can follow inserts length direction and move and have the internal thread on the inserts.

This loose joint elbow is through setting up the arc bend section respectively on the elbow body and through the adapter sleeve of inserts swing joint on elbow body straight tube section, on the one hand, make this loose joint elbow both ends just can connect vertical pipeline and horizontal pipeline respectively, no longer need the combination of a plurality of elbows use, simultaneously, this loose joint elbow can rotate in a flexible way for the adapter sleeve when connecting, thereby the arc bend section can be according to the nimble adjustment position angle of actual demand when making the installation, the adaptability is stronger, in addition, make adapter sleeve and elbow body also can adopt different materials to make respectively, the functionality is stronger, also when the installation, only need rotate the adapter sleeve can, greatly reduced the intensity and the degree of difficulty of construction, on the other hand arc bend section has dispersed the effort of water, make the stress dispersion, thereby reduced the water has impact force to the pipe wall, simultaneously because of reduced the resistance of discharge, make the flow bigger, simultaneously, the straight tube section and the arc bend section of integrated into one piece structure can reduce the use of pipe fitting in the pipeline, simplify the pipeline process, and make the pipeline neatly laid, the house environment more comfortable. In addition, the connecting sleeve is provided with internal threads, so that the loose joint elbow is conveniently fixed through threaded connection, and the loose joint elbow is more convenient to assemble and disassemble.

In the loose-joint elbow, the insert is provided with the embedded part and the annular convex part which are respectively embedded on the wall of the straight pipe section, the embedded part and the annular convex part are respectively arranged on the end wall and the side wall of the insert, and the embedded part and the annular convex part are both arranged on one side of the insert, which is close to the straight pipe section. The annular convex part embedded on the wall of the straight pipe section is arranged to play a role in limiting along the axial direction of the embedded part, the embedded part embedded on the wall of the straight pipe section is arranged to play a role in stopping rotation along the circumferential direction of the embedded part, and therefore the embedded part is more firmly arranged on the straight pipe section of the elbow body.

In the loose joint elbow, the outer wall of one side, far away from the straight pipe section, of the insert is convexly provided with the anti-falling part, the inner wall, close to one side of the insert, of the connecting sleeve is convexly provided with the stop part, and the stop part and the anti-falling part form limit fit in the length direction of the insert. Through setting up spacing complex anticreep portion and backstop portion for the adapter sleeve can be followed the length direction free movement of inserts, makes things convenient for the adapter sleeve to be fixed with elbow connection, simultaneously, before adapter sleeve fixed connection, the arc bend section can rotate in a flexible way for the adapter sleeve, thereby makes the arc bend section can be according to actual demand nimble adjustment position angle when installing, and further, can also prevent that the adapter sleeve from breaking away from the inserts.

In the loose-joint elbow, the plane where the axis of the straight pipe section is located and the plane where the axis of the arc bending section is located are arranged vertically, and the arc bending section is in an arc bending shape. The structure enables the arc bending section to have a larger radian state, the arc bending section disperses the acting force of water in the flowing process of liquid, so that stress is dispersed, the impact force of the water on the pipe wall is reduced, meanwhile, the flow is larger because the resistance of the water flow is reduced, and the water flow is smoother and more abundant.

In the loose joint elbow, the outer wall of the connecting sleeve is provided with a plurality of plane parts along the circumferential direction. The connecting sleeve is convenient for manual rotation of the plurality of plane parts, so that the elbow is convenient to assemble and disassemble.

In the loose joint elbow, the elbow body is made of PPR material, and the insert and the connecting sleeve are made of metal material. The elbow body made of PPR material has the advantages of corrosion resistance, no scaling, no toxicity, good hygienic property, smooth inner wall, small water flow resistance, high mechanical strength, light weight, high temperature resistance and good heat preservation property, and the insert and the connecting sleeve made of metal materials can improve the structural strength of the elbow joint.

Compared with the prior art, the loose joint elbow has the advantages that: the elbow body of the loose-joint elbow is respectively provided with the arc bending section and the connecting sleeve which are movably connected, so that the two ends of the loose-joint elbow can be respectively connected with a vertical pipeline and a horizontal pipeline, the combination of a plurality of elbows is not needed, the arc bending section can flexibly rotate relative to the connecting sleeve during connection, the arc bending section can flexibly adjust the position angle according to actual requirements during installation, the adaptability is stronger, the connecting sleeve only needs to be rotated during installation, the construction strength and difficulty are greatly reduced, the arc bending section disperses the acting force of water, the stress is dispersed, the impact force of water on the pipe wall is reduced, meanwhile, the flow is larger because the resistance of water flow is reduced, the water flow is smoother and more abundant, meanwhile, the use of pipe fittings in the pipeline can be reduced, the pipeline laying process is simplified, the pipeline is arranged neatly, and the household environment is more comfortable.

Drawings

Fig. 1 is a schematic perspective view of the loose joint elbow.

Fig. 2 is a schematic diagram of the structure of the loose joint elbow in front view.

Fig. 3 is a cross-sectional view at A-A in fig. 2.

Fig. 4 is a cross-sectional view at B-B in fig. 2.

Fig. 5 is an exploded view of the present loose-joint elbow.

FIG. 6 is a second perspective view of the movable joint elbow.

Fig. 7 is an exploded view of the present loose-joint elbow insert and connection sleeve.

In the figure, 1, an elbow body; 1a, straight pipe sections; 1b, an arc bending section; 2. an insert; 2a, an embedding part; 2b, annular projections; 2c, an anti-falling part; 3. connecting sleeves; 3a, a stop part; 3b, plane portion.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

The utility model provides a loose joint elbow, refers to fig. 1-7, includes elbow body 1, elbow body 1 is including being linked together and straight tube section 1a and the curved section 1b of integrated into one piece structure, the tip of straight tube section 1a is provided with and is the inserts 2 of tube-shape, and the cover is equipped with the adapter sleeve 3 that can follow inserts 2 length direction and have the internal thread on the inserts 2. In this embodiment, it is preferable that the plane on which the axis of the straight pipe section 1a is located and the plane on which the axis of the curved section 1b is located are perpendicular to each other, and the curved section 1b is curved in an arc shape.

Referring to fig. 1, 3, 4 and 6, further, a cylindrical insert 2 is disposed at an end of the straight pipe section 1a, and a connecting sleeve 3 having an internal thread and capable of moving along a length direction of the insert 2 is sleeved on the insert 2.

Referring to fig. 1, 2, 3, 4, 5, 6 and 7, specifically, the insert 2 has an embedding portion 2a and an annular protrusion 2b for being embedded in a wall of the straight pipe section 1a, respectively, the embedding portion 2a and the annular protrusion 2b are disposed on an end wall and a side wall of the insert 2, respectively, and both are disposed on a side of the insert 2 close to the straight pipe section 1 a.

Referring to fig. 1, 2, 3, 4, 5, 6 and 7, further, the outer wall of the side of the insert 2 far from the straight pipe section 1a is convexly provided with a release preventing portion 2c, the inner wall of the side of the connecting sleeve 3 near the insert 2 is convexly provided with a stop portion 3a, and the stop portion 3a and the release preventing portion 2c form a limit fit in the length direction of the insert 2.

In this embodiment, the outer wall of the connecting sleeve 3 is preferably provided with a plurality of flat portions 3b along the circumferential direction. Preferably, the elbow body 1 is made of PPR material, and the insert 2 and the connecting sleeve 3 are made of metal material.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a loose joint elbow, includes elbow body (1), its characterized in that, elbow body (1) are including being linked together and straight tube section (1 a) and the arc section (1 b) of integrated into one piece structure, the tip of straight tube section (1 a) is provided with and is tube-shape inserts (2), and the cover is equipped with on inserts (2) can follow inserts (2) length direction removal and have adapter sleeve (3) of internal thread.

2. A loose-joint elbow according to claim 1, wherein the insert (2) has an embedding portion (2 a) and an annular protrusion (2 b) for being embedded in the wall of the straight pipe section (1 a), respectively, the embedding portion (2 a) and the annular protrusion (2 b) being provided on the end wall and the side wall of the insert (2), respectively, and both being provided on the side of the insert (2) close to the straight pipe section (1 a).

3. The loose joint elbow according to claim 2, wherein the outer wall of one side of the insert (2) far away from the straight pipe section (1 a) is convexly provided with an anti-falling portion (2 c), the inner wall of one side of the connecting sleeve (3) close to the insert (2) is convexly provided with a stop portion (3 a), and the stop portion (3 a) and the anti-falling portion (2 c) form limit fit in the length direction of the insert (2).

4. A loose-joint elbow according to any one of claims 1-3, wherein the plane of the axis of the straight pipe section (1 a) and the plane of the axis of the curved section (1 b) are arranged vertically, and the curved section (1 b) is curved in a circular arc.

5. A loose joint elbow according to any one of claims 1-3, characterized in that the outer wall of the connecting sleeve (3) is provided with a number of planar portions (3 b) in the circumferential direction.

6. A loose-joint elbow according to any one of claims 1-3, wherein the elbow body (1) is made of PPR material, and the insert (2) and the connection sleeve (3) are made of metal material.