CN216643458U

CN216643458U - Leak protection type PP tuber pipe elbow

Info

Publication number: CN216643458U
Application number: CN202122135850.0U
Authority: CN
Inventors: 王燕红
Original assignee: Taicang Xinpeng Environmental Protection Equipment Co ltd
Current assignee: Taicang Xinpeng Environmental Protection Equipment Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-05-31
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses a leakage-proof PP air pipe elbow, which comprises a PP air pipe elbow body and two protection mechanisms, wherein the outer wall of the PP air pipe elbow body is provided with two annular grooves, the two protection mechanisms are arranged at the positions corresponding to the annular grooves, each protection mechanism comprises a movable ring, the inner wall of each annular groove is provided with external threads which are uniformly distributed, the inner wall of each movable ring is provided with internal threads which are uniformly distributed, the inner wall of each movable ring is in threaded connection with the inner wall of each annular groove, and the outer wall of each movable ring is provided with a shielding ring. The movable ring and the shielding ring are arranged, the shielding ring is moved by the movable ring and covers a welding seam connecting the PP air pipe elbow and the straight pipe, so that the welding seam is protected, the phenomenon that the welding seam is damaged due to factors such as external impact is avoided, the connection tightness of the PP air pipe elbow and the straight pipe is improved, meanwhile, the shielding ring and the straight pipe can be welded secondarily, double connection work is formed, and the connection tightness of the PP air pipe elbow and the straight pipe is further improved.

Description

Leak protection type PP tuber pipe elbow

Technical Field

The utility model relates to the technical field of air pipes, in particular to a leakage-proof PP air pipe elbow.

Background

The PP air pipe is a non-toxic, sanitary, high-temperature resistant and recyclable pipe type, is mainly applied to an indoor cold and hot water supply system of a building, and is also widely applied to a heating system. The PP air pipe has the characteristics of no corrosion, abrasion resistance, no scaling, vibration and noise reduction, frost crack prevention, condensation prevention, less heat loss, simple installation and long service life. The PP air pipe elbow belongs to one type of PP air pipes and is mainly used for adjusting the installation direction of the PP air pipes.

PP tuber pipe elbow carries out weldment work through plastics welder when being connected the work with the straight tube mostly, and after weldment work accomplished, the welding seam was in the state that exposes outside always so the welding seam appears because of factors such as external striking damaged phenomenon easily, and this situation that can directly lead to appearing leaking when using time to it is relatively poor to have embodied PP tuber pipe elbow and straight tube connection's leakproofness.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a leakage-proof PP air pipe elbow so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the leakage-proof PP air pipe elbow comprises a PP air pipe elbow body and two protection mechanisms, wherein two annular grooves are formed in the outer wall of the PP air pipe elbow body, and the two protection mechanisms are arranged at the positions corresponding to the annular grooves;

protection machanism includes the activity ring, evenly distributed's external screw thread is seted up to the inner wall of ring channel, evenly distributed's internal thread is seted up to the inner wall of activity ring, the inner wall and the ring channel inner wall threaded connection of activity ring, the fixed cover of outer wall of activity ring has been connect and has been sheltered from the ring, evenly distributed friction line has been seted up to the outer wall that shelters from the ring.

Preferably, two equal fixedly connected with sealing washer in one side of ring channel inner wall, two one side and the laminating of the corresponding movable ring in position of one side of sealing washer are connected.

Preferably, two one side of blocking ring is the equal symmetry fixedly connected with of supplementary bull stick, four evenly distributed's antiskid line is all seted up to the outer wall of supplementary bull stick.

Preferably, one side fixedly connected with protecting against shock cushion of PP tuber pipe elbow body inner wall, protecting against shock cushion is the arc setting.

Preferably, the PP air pipe elbow body comprises an inner base layer, a water-resistant layer, an outer base layer and an anti-corrosion coating layer, wherein the water-resistant layer is arranged on one side of the inner base layer, the outer base layer is arranged on one side of the water-resistant layer, and the anti-corrosion coating layer is coated on one side of the outer base layer.

Preferably, the waterproof layer is a waterproof film, and the anti-corrosion coating layer is an epoxy resin composite coating.

Preferably, the thickness ratio between the inner base layer and the outer base layer is 1: 1.

The utility model has the technical effects and advantages that:

(1) according to the utility model, by means of the arrangement of the movable ring and the shielding ring, the shielding ring is moved by the movable ring and covers the welding seam connecting the PP air pipe elbow and the straight pipe, so that the welding seam is protected, the phenomenon that the welding seam is damaged due to factors such as external impact is avoided, the connection tightness of the PP air pipe elbow and the straight pipe is improved, meanwhile, the shielding ring and the straight pipe can be welded secondarily, so that double connection work is formed, and the connection tightness of the PP air pipe elbow and the straight pipe is further improved;

(2) the waterproof layer, namely the waterproof film, is added in the PP air pipe elbow by utilizing the arrangement of the waterproof layer, so that the leak resistance of the PP air pipe elbow is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a side sectional structural schematic view of the present invention.

FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention.

FIG. 4 is a schematic view of the PP air pipe elbow composition structure of the present invention.

In the figure: 1. PP air pipe elbow body; 101. an inner base layer; 102. a water-resistant layer; 103. an outer base layer; 104. an anti-corrosion coating layer; 2. a movable ring; 3. a shield ring; 4. a seal ring; 5. an auxiliary rotating rod; 6. and the impact-resistant cushion block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a leakage-proof PP air pipe elbow as shown in figures 1-4, which comprises a PP air pipe elbow body 1 and two protection mechanisms, wherein the protection mechanisms play a role in protecting a welding line between the PP air pipe elbow and a straight pipe and avoid the phenomenon that the welding line is damaged due to external factors;

the protection mechanism comprises a movable ring 2, the inner wall of the annular groove is provided with uniformly distributed external threads, the inner wall of the movable ring 2 is provided with uniformly distributed internal threads, the inner wall of the movable ring 2 is in threaded connection with the inner wall of the annular groove, the outer wall of the movable ring 2 is fixedly connected with a shielding ring 3, the outer wall of the shielding ring 3 is provided with uniformly distributed friction lines, one side of each of the inner walls of the two annular grooves is fixedly connected with a sealing ring 4, the sealing rings 4 play a sealing role between the movable ring 2 and the annular groove, one side of each of the two sealing rings 4 is in fit connection with one side of the corresponding movable ring 2, one side of each of the two shielding rings 3 is symmetrically and fixedly connected with an auxiliary rotating rod 5, the auxiliary rotating rods 5 are convenient for workers to apply force to drive the shielding ring 3 to rotate, and the outer walls of the four auxiliary rotating rods 5 are provided with uniformly distributed anti-slip lines;

one side of the inner wall of the PP air pipe elbow body 1 is fixedly connected with an anti-impact cushion block 6, the anti-impact cushion block 6 is used for enhancing the strength of the bending part of the PP air pipe elbow, and the anti-impact cushion block 6 is arranged in an arc shape;

the PP air pipe elbow body 1 comprises an inner base layer 101, a water-resistant layer 102, an outer base layer 103 and an anti-corrosion coating layer 104, wherein the water-resistant layer 102 is arranged on one side of the inner base layer 101, the water-resistant layer 102 is a waterproof film and used for enhancing the water resistance of the PP air pipe elbow, the outer base layer 103 is arranged on one side of the water-resistant layer 102, the thickness ratio of the inner base layer 101 to the outer base layer 103 is 1:1, the anti-corrosion coating layer 104 is coated on one side of the outer base layer 103, the anti-corrosion coating layer 104 is an epoxy resin composite coating, and the epoxy resin composite coating is used for improving the corrosion resistance of the PP air pipe elbow.

The working principle of the utility model is as follows:

when carrying out the connection work of PP tuber pipe elbow and straight tube, at first insert the straight tube in the PP tuber pipe elbow and carry out weldment work through plastics welder, after the primary weldment work is accomplished, exert the steering force on a clockwise through supplementary bull stick 5 to sheltering from ring 3 and activity ring 2, make and shelter from ring 3 and move on PP tuber pipe elbow and cover the welding seam that the primary weldment work produced through activity ring 2, later still can carry out secondary plastics weldment work to the straight tube with sheltering from ring 3, thereby further strengthen PP tuber pipe elbow and straight tube connection.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The leakage-proof PP air pipe elbow comprises a PP air pipe elbow body (1) and two protection mechanisms, and is characterized in that two annular grooves are formed in the outer wall of the PP air pipe elbow body (1), and the two protection mechanisms are arranged at positions corresponding to the annular grooves;

protection machanism includes activity ring (2), evenly distributed's external screw thread is seted up to the inner wall of ring channel, evenly distributed's internal thread is seted up to the inner wall of activity ring (2), the inner wall and the ring channel inner wall threaded connection of activity ring (2), the fixed cover of outer wall of activity ring (2) has connect and has sheltered from ring (3), evenly distributed friction line has been seted up to the outer wall that shelters from ring (3).

2. The leakproof PP air pipe elbow according to claim 1, wherein one side of each of the inner walls of the two annular grooves is fixedly connected with a sealing ring (4), and one side of each of the two sealing rings (4) is in fit connection with one side of the corresponding movable ring (2).

3. The leakage-proof PP air pipe elbow as claimed in claim 1, wherein one side of each of the two shielding rings (3) is symmetrically and fixedly connected with an auxiliary rotating rod (5), and the outer walls of the four auxiliary rotating rods (5) are provided with uniformly distributed anti-skid grains.

4. The leak-proof PP air pipe elbow according to claim 1, wherein an impact-proof cushion block (6) is fixedly connected to one side of the inner wall of the PP air pipe elbow body (1), and the impact-proof cushion block (6) is arranged in an arc shape.

5. The leakage-proof PP air pipe elbow according to claim 1, wherein the PP air pipe elbow body (1) comprises an inner base layer (101), a water-resistant layer (102), an outer base layer (103) and an anti-corrosion coating layer (104), wherein the water-resistant layer (102) is arranged on one side of the inner base layer (101), the outer base layer (103) is arranged on one side of the water-resistant layer (102), and the anti-corrosion coating layer (104) is coated on one side of the outer base layer (103).

6. The leak-proof PP air pipe elbow according to claim 5, wherein the water-blocking layer (102) is a waterproof film, and the anti-corrosion coating layer (104) is an epoxy resin composite coating.

7. The leak-proof PP air hose bend according to claim 5, wherein a thickness ratio between the inner base layer (101) and the outer base layer (103) is 1: 1.