CN211450007U

CN211450007U - Plug-in type large-diameter elbow joint

Info

Publication number: CN211450007U
Application number: CN201922006900.8U
Authority: CN
Inventors: 赖朝凌; 李贵春; 易云飞
Original assignee: Sichuan Xinming Plastic Industry Co ltd
Current assignee: Sichuan Xinming Plastic Industry Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-09-08
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a plug-in type heavy-calibre elbow fitting belongs to pipe joint technical field, include: first grafting pipe and with first grafting pipe fixed connection's second grafting pipe, the one end of first grafting pipe is equipped with the first inclined plane that sets up with the pipe wall slope of first grafting pipe, the one end of second grafting pipe is equipped with the second inclined plane with first inclined plane matched with, first inclined plane and second inclined plane fixed connection make between first grafting pipe and the second grafting pipe form the contained angle, the seam crossing that first grafting pipe and second grafting union coupling are equipped with a plurality of steel grapple strengthening ribs, the grapple strengthening rib is equipped with the package and grabs the layer outward, this elbow fitting can set up to arbitrary pipe diameter and arbitrary angle according to actual engineering needs, the blank in domestic heavy-calibre elbow fitting market has been filled.

Description

Plug-in type large-diameter elbow joint

Technical Field

The utility model relates to a pipe joint technical field, concretely relates to plug-in type heavy-calibre elbow fitting.

Background

Polyvinyl chloride (PVC) pipes are used for municipal water supply, building drainage, coal mine gas drainage and the like and are gradually popularized, elbow joints are required at the turning positions of the pipes, the currently adopted injection-molded PVC elbow joints are generally limited to be below phi 400 calibers by injection molding machines, the elbow angles are generally 45-degree or 90-degree standard injection molding parts, nonstandard-degree PVC elbow joints with any angles cannot be produced, particularly the phi 500-phi 800 type elbow joints, and few manufacturers are used in China for production, so that the popularization and the use of the PVC pipes are inhibited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plug-in type heavy-calibre elbow fitting, this elbow fitting can set up to arbitrary pipe diameter and arbitrary angle according to actual engineering needs.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a plug-in large bore elbow fitting, comprising: first grafting pipe and with first grafting pipe fixed connection's second grafting pipe, the one end of first grafting pipe is equipped with the first inclined plane that sets up with the pipe wall slope of first grafting pipe, the one end of second grafting pipe is equipped with the second inclined plane with first inclined plane matched with, first inclined plane and second inclined plane fixed connection make first grafting pipe and second peg graft and form the contained angle between the pipe, the seam crossing that first grafting pipe and second peg graft union coupling is equipped with a plurality of steel grapple strengthening ribs, the grapple strengthening rib is equipped with the package outward and grabs the layer.

First grafting pipe and second are pegged graft and are managed through two first inclined planes of matched with and second inclined plane fixed connection, the slope on inclined plane is slight and first grafting pipe and the angle between the second grafting pipe are complementary relation, thereby the accessible changes the inclination on inclined plane and obtains the elbow fitting that has different contained angles, in this scheme, it is in the same place to peg graft pipe welding with first grafting pipe and second through hot melt plastic welding machine, for the intensity of strengthening first grafting pipe and the second grafting union coupling department, first inclined plane and second inclined plane junction are equipped with the grapple strengthening rib, it can effectively protect the grapple strengthening rib to set up a layer package and grab the layer on the grapple strengthening rib.

Further, in the preferred embodiment of the present invention, the end of the first inserting pipe away from the first inclined plane is provided with a first socket, and the end of the second inserting pipe away from the second inclined plane is provided with a second socket.

The first inserting pipe and the second inserting pipe are respectively provided with a first inserting port and a second inserting port and are used for being connected with other pipelines in an inserting mode.

Further, in the preferred embodiment of the present invention, the grapple reinforcing rib spans the joint between the first inserting pipe and the second inserting pipe and one end of the grapple reinforcing rib is fixed to the first inserting pipe and the other end of the grapple reinforcing rib is fixed to the second inserting pipe.

The grapple reinforcing rib spans the seam of the first inserting pipe and the second inserting pipe, one end of the grapple reinforcing rib is fixed on the first inserting pipe, the other end of the grapple reinforcing rib is fixed on the second inserting pipe, so that the joint of the two inserting pipes is firmer, and the grapple reinforcing rib is made of metal.

Further, in the preferred embodiment of the present invention, the bag gripping layer is made of PVC, and the bag gripping layer is fixed on the outer wall of the first inserting pipe and the outer wall of the second inserting pipe and completely covers the grapple reinforcing rib.

For the intensity of strengthening the grapple strengthening rib, the grapple strengthening rib adopts steel grapple strengthening rib, and the layer is grabbed in the package adopts PVC plastics, obtains the layer is grabbed in the package through PVC hot melt plastic welding machine plastic welding, and this layer is grabbed in the package can effectively protect steel grapple strengthening rib, thereby avoids the grapple strengthening rib to rust and corrode and influence its intensity.

Further, in the preferred embodiment of the present invention, the first inserting tube and the second inserting tube are made of PVC material.

The utility model discloses following beneficial effect has:

the utility model discloses a through set up first inclined plane and second inclined plane in first inserted pipe and second inserted pipe junction, thereby obtain the return bend structure through first inclined plane and second inclined plane fixed connection, the return bend can obtain the return bend structure that has different contained angles by adjusting the inclination angle of first inclined plane and second inclined plane, the pipe diameter and the angle of return bend joint are not restricted by the injection molding machine, can produce the return bend joint of arbitrary pipe diameter and angle, satisfy the actual engineering needs, set up the joint department of a plurality of steel grapple strengthening ribs and can strengthen the joint strength of two inserted pipes at the first inserted pipe and second inserted pipe, avoid the joint department producing the breach during transportation, installation, steel grapple strengthening rib outer cladding has the packet grasping area, can prevent steel grapple strengthening rib rust and corrode, thereby further guarantee the joint strength of joint department, the utility model provides a return bend joint that is not restricted by pipe diameter and angle, fills the blank of the domestic large-caliber elbow joint market.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a front view of a first insertion tube of the present invention;

fig. 3 is a front view of a second insertion tube of the present invention.

Wherein: 1-a first plug pipe; 11-a first bevel; 12-a first socket; 2-a second plug pipe; 21-a second bevel; 22-a second socket; 3-grappling reinforcement; 4-coating and grabbing layer.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Examples

A plug-in large bore elbow fitting, comprising: a first plug pipe 1 made of PVC material and a second plug pipe 2 made of PVC material fixedly connected with one end of the first plug pipe 1, one end of the first plug pipe 1 is provided with a first inclined plane 11 obliquely arranged with the pipe wall of the first plug pipe 1, the other end is provided with a first bell and spigot 12, one end of the second plug pipe 2 is provided with a second inclined plane 21 matched with the first inclined plane 11, the other end is provided with a second bell and spigot 22, the first inclined plane 11 and the second inclined plane 21 are fixed together, so that the first plug pipe 1 and the second plug pipe 2 form a bent pipe joint with a certain included angle, a plurality of steel grab hook reinforcing ribs 3 are arranged at the joint of the first plug pipe 1 and the second plug pipe 2, the grab hook reinforcing ribs 3 cross the joint of the first plug pipe 1 and the second plug pipe 2, one end of the grab hook reinforcing ribs 3 is fixed on the first plug pipe 1, the other end of the grab hook reinforcing ribs 3 is fixed on the second plug pipe 2, the grapple reinforcing rib 3 is externally provided with a wrapping and grabbing layer 4, the wrapping and grabbing layer 4 is made of PVC materials, and the wrapping and grabbing layer 4 is fixed on the outer wall of the first inserting pipe 1 and the outer wall of the second inserting pipe 2 and completely wraps the grapple reinforcing rib 3.

In actual production, a conical double-screw extruder is adopted to produce a high-strength large-caliber PVC pipe, a bell and spigot is directly formed, a protractor is adopted for measuring, a first inclined plane 11 and a second inclined plane 21 which meet requirements are obtained by cutting, the first inclined plane 11 and the second inclined plane 21 are placed and arranged, a first inserting pipe 1 and a second inserting pipe 2 are welded and fixed together through a PVC hot melt plastic welding machine to form a bent pipe joint with a certain included angle, a plurality of steel grab hook reinforcing ribs 3 are fixed at intervals at a seam, the grab hook reinforcing ribs 3 with different span sizes can be selected according to strength requirements, and a bag grabbing area is obtained by plastic welding through the PVC hot melt plastic welding machine after the grab hook reinforcing ribs 3 are fixed; when the pipeline plugging device is used, only one pipeline is plugged with the first plugging pipe 1 through the first bell and spigot 12, and the other pipeline is plugged with the second plugging pipe 2 through the second bell and spigot 22.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a plug-in type heavy-calibre elbow fitting which characterized in that includes: the pipe comprises a first inserting pipe (1) and a second inserting pipe (2) fixedly connected with the first inserting pipe (1), wherein one end of the first inserting pipe (1) is provided with a first inclined plane (11) obliquely arranged with the pipe wall of the first inserting pipe (1), one end of the second inserting pipe (2) is provided with a second inclined plane (21) matched with the first inclined plane (11), the first inclined plane (11) and the second inclined plane (21) are fixedly connected to enable an included angle to be formed between the first inserting pipe (1) and the second inserting pipe (2), a plurality of steel grapple reinforcing ribs (3) are arranged at the joint of the first inserting pipe (1) and the second inserting pipe (2), and a grapple layer (4) is arranged outside the grapple reinforcing ribs (3).

2. The plug-in large-caliber elbow joint according to claim 1, wherein one end of the first plug-in pipe (1) far away from the first inclined surface (11) is provided with a first socket (12), and one end of the second plug-in pipe (2) far away from the second inclined surface (21) is provided with a second socket (22).

3. The plug-in large-caliber elbow joint according to claim 2, wherein the grapple reinforcing rib (3) spans a joint between the first plug pipe (1) and the second plug pipe (2) and one end of the grapple reinforcing rib (3) is fixed to the first plug pipe (1) and the other end of the grapple reinforcing rib (3) is fixed to the second plug pipe (2).

4. The plug-in type large-caliber elbow joint according to claim 3, wherein the wrapping and grabbing layer (4) is made of PVC, and the wrapping and grabbing layer (4) is fixed on the outer wall of the first plug-in pipe (1) and the outer wall of the second plug-in pipe (2) and completely covers the grabbing hook reinforcing rib (3).

5. The plug-in type large-caliber elbow joint according to any one of claims 1 to 4, wherein the first plug-in pipe (1) and the second plug-in pipe (2) are both made of PVC.