CN220523535U

CN220523535U - Corrosion-resistant steel-plastic adapter

Info

Publication number: CN220523535U
Application number: CN202322215587.5U
Authority: CN
Inventors: 史万龙; 颜林
Original assignee: Jiangsu Jiaxin Gas Equipment Co ltd
Current assignee: Jiangsu Jiaxin Gas Equipment Co ltd
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-02-23
Anticipated expiration: 2033-08-17

Abstract

The utility model discloses a corrosion-resistant steel-plastic adapter, which comprises a conversion connecting ring, a rotating shaft sleeve, steel balls and an upper connecting pipe, wherein an upper movable groove is formed in the inner wall of the conversion connecting ring, the steel balls are arranged in the upper movable groove, the rotating shaft sleeve is movably sleeved on the outer wall of the steel balls, and the upper connecting pipe is sleeved on the outer wall of the rotating shaft sleeve. According to the utility model, the conversion connecting ring, the rotating shaft sleeve, the steel balls and the upper connecting pipe are arranged, the upper movable groove is formed in the inner wall of the conversion connecting ring, the steel balls are arranged in the upper movable groove, the rotating shaft sleeve is movably sleeved on the outer wall of the steel balls, the upper connecting pipe is sleeved on the outer wall of the rotating shaft sleeve, the rotating and rotating functions of the upper connecting pipe are realized, and the problem that the pipeline is broken and cracked to generate gas leakage due to axial shear stress generated by the gas pipeline when the external gas pipeline cannot rotate is solved.

Description

Corrosion-resistant steel-plastic adapter

Technical Field

The utility model relates to the technical field of adapter connectors, in particular to a corrosion-resistant steel-plastic adapter connector.

Background

The adapter comprises a steel pipe joint, a plastic pipe joint and a sealing ring, wherein the steel pipe joint is a steel pipe joint with a plastic cladding outside, a step groove is formed in the inner end of the steel pipe joint, and a connecting ring which is locked and fixedly connected by an elastic clamping ring is connected in the step groove and is connected with an inner opening ring groove of the plastic pipe joint; the plastic pipe joint is connected with the plastic sleeve layer of the steel pipe joint in a sealing way by a sealing cutting sleeve and a sealing ring which are embedded in an annular groove in the opening part of the plastic pipe joint. In gas pipeline transportation, the rotation function of connecting pipes cannot be realized by the existing steel-plastic adapter, so that the problem that the gas leakage occurs due to the fact that the gas pipeline is broken and cracked due to axial shear stress is caused.

The utility model discloses a steel-plastic adapter with corrosion resistance for gas transmission, which relates to the field of steel-plastic adapters, and aims at solving the problems of poor corrosion resistance, easy leakage, single connection mode and small application range of the existing steel-plastic adapters. The utility model has novel structure, is firm and durable, is convenient to install, has high connection stability and tightness, good connection effect, multiple protection and good protection and corrosion resistance effects.

In summary, the above-mentioned patent has realized novel structure through installing steel pipe, buckle and sealed pad, and durable, simple to operate, stability and the leakproofness of connection are high, and the connection is effectual, multiple protection, protection and corrosion-resistant are effectual, but the rotation function of connecting pipe can not be realized to above-mentioned patent, leads to the gas pipeline to produce the problem that the fracture of axial shear stress pipeline fracture takes place the gas leakage;

therefore, the application provides a corrosion-resistant steel-plastic adapter capable of realizing the rotation function of a connecting pipe.

Disclosure of Invention

The utility model aims to provide a corrosion-resistant steel-plastic adapter, which solves the technical problem that the gas pipeline is broken and cracked to generate gas leakage due to axial shear stress caused by the fact that the rotation function of a connecting pipe cannot be realized in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a corrosion-resistant steel-plastic adapter, includes conversion adapter ring, rotation axle sleeve, steel ball and last connecting pipe, conversion adapter ring inner wall has seted up the movable groove, go up movable groove internally mounted and have the steel ball, steel ball outer wall movable sleeve is equipped with the rotation axle sleeve, rotation axle sleeve outer wall cover is equipped with the connecting pipe.

Preferably, the inner wall of the conversion connecting ring is provided with an air passage, the top of the inner wall of the conversion connecting ring is provided with a first internal thread, the bottom of the inner wall of the conversion connecting ring is provided with a second internal thread, and the inner wall of the conversion connecting ring is provided with a lower movable groove.

Preferably, the top of the outer wall of the upper connecting pipe is sleeved with a first sealing gasket, the outer wall of the upper connecting pipe is sleeved with an upper protecting shell, and the outer wall of the upper protecting shell is provided with first external threads.

Preferably, an upper fastening ring is sleeved at the top of the outer wall of the upper protective shell, a first fastening hole is formed in the outer wall of the upper fastening ring, and an upper fastening bolt is installed on the inner wall of the first fastening hole.

Preferably, the lower connecting pipe is installed to conversion go-between outer wall bottom, and lower connecting pipe outer wall bottom cover is equipped with the second sealing washer, and lower protective housing is equipped with to lower connecting pipe outer wall cover, and the second external screw thread has been seted up to lower protective housing outer wall.

Preferably, a lower fastening ring is sleeved at the bottom of the outer wall of the lower protective shell, a second fastening hole is formed in the outer wall of the lower fastening ring, and a lower fastening bolt is installed on the inner wall of the second fastening hole.

Preferably, the outer wall of the conversion connecting ring is coated with an acrylic polyurethane finish paint layer, the outer wall of the upper fastening ring is coated with a first epoxy zinc-rich primer layer, and the outer wall of the lower fastening ring is coated with a second epoxy zinc-rich primer layer.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the conversion connecting ring, the rotating shaft sleeve, the steel balls and the upper connecting pipe are arranged, the inner wall of the conversion connecting ring is provided with the upper movable groove, the steel balls are arranged in the upper movable groove, the rotating shaft sleeve is movably sleeved on the outer wall of the steel balls, the upper connecting pipe is sleeved on the outer wall of the rotating shaft sleeve, the rotating and rotating functions of the upper connecting pipe are realized, and the problem that the external gas pipeline cannot rotate, so that the gas pipeline is broken and cracked to generate gas leakage due to axial shear stress is solved;

2. according to the utility model, the second sealing gasket, the lower connecting pipe and the second external thread are arranged, the lower connecting pipe is arranged at the bottom of the outer wall of the conversion connecting ring, the second sealing gasket is sleeved at the bottom of the outer wall of the lower connecting pipe, the lower protecting shell is sleeved at the outer wall of the lower connecting pipe, and the second external thread is arranged on the outer wall of the lower protecting shell, so that the fastening and sealing functions of an external connecting pipe are realized, and the problem of poor tightness caused by poor tightness when the conversion joint is externally connected with the pipeline is solved.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic view of the front part structure of the present utility model;

FIG. 3 is a schematic view of a portion of a rotating sleeve according to the present utility model;

FIG. 4 is a schematic view of a portion of a first sealing gasket of the present utility model;

fig. 5 is a schematic view of a portion of a second sealing gasket of the present utility model.

In the figure: 1. a conversion connection ring; 101. an acrylic polyurethane topcoat layer; 102. a first internal thread; 103. a second internal thread; 104. an upper movable groove; 105. a lower movable groove; 106. an airway; 107. rotating the shaft sleeve; 108. steel balls; 2. a lower fastening ring; 201. a second epoxy zinc-rich primer layer; 202. a second external thread; 3. an upper fastening ring; 301. a first epoxy zinc-rich primer layer; 302. a first external thread; 4. a lower protective shell; 401. a lower connecting pipe; 5. an upper protective shell; 501. an upper connecting pipe; 6. a first sealing gasket; 601. a first fastening hole; 602. a fastening bolt is arranged on the upper part; 7. a second sealing gasket; 701. a second fastening hole; 702. and (5) a lower fastening bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the utility model provides a corrosion-resistant steel plastic crossover sub, includes conversion go-between ring 1, rotation axle sleeve 107, steel ball 108 and last connecting pipe 501, go up movable groove 104 has been seted up to conversion go-between ring 1 inner wall, go up movable groove 104 internally mounted and have steel ball 108, steel ball 108 outer wall movable sleeve is equipped with rotation axle sleeve 107, rotation axle sleeve 107 outer wall cover is equipped with connecting pipe 501, and external gas pipeline inserts in last connecting pipe 501, goes up connecting pipe 501 suit in rotation axle sleeve 107, and the steel ball 108 in the movable groove 104 rolls on rotation axle sleeve 107, and rotation axle sleeve 107 drives and goes up connecting pipe 501 and rotate, and it can not rotate to have realized the rotatory rotation function of going up connecting pipe 501 to have solved external gas pipeline and have produced axial shear stress and lead to the pipeline breakage and take place the problem of gas leakage.

Referring to fig. 1-5, the bottom of the outer wall of the conversion connecting ring 1 is provided with a lower connecting pipe 401, the bottom of the outer wall of the lower connecting pipe 401 is sleeved with a second sealing gasket 7, the outer wall of the lower connecting pipe 401 is sleeved with a lower protecting shell 4, the outer wall of the lower protecting shell 4 is provided with a second external thread 202, the lower connecting pipe 401 is connected into the conversion connecting ring 1, the lower protecting shell 4 is screwed, the second external thread 202 of the outer wall of the lower protecting shell 4 is meshed with the second internal thread 103 of the inner wall of the conversion connecting ring 1, an external pipeline is connected into the lower connecting pipe 401, the joint of the external pipeline and the lower connecting pipe 401 is sealed by the second sealing gasket 7, the fastening sealing function of the external pipeline is realized, and the problem that the tightness is poor due to poor fastening performance when the conversion joint is connected with the external pipeline is solved.

According to the working principle, a lower connecting pipe 401 and an upper connecting pipe 501 are respectively connected into a conversion connecting ring 1, a lower protective shell 4 and an upper protective shell 5 are screwed, a second external thread 202 on the outer wall of the lower protective shell 4 is meshed with a second internal thread 103 on the inner wall of the conversion connecting ring 1, a first external thread 302 on the outer wall of the upper protective shell 5 is meshed with a first internal thread 102 on the inner wall of the conversion connecting ring 1, an external pipeline is connected into the lower connecting pipe 401 and the upper connecting pipe 501, an upper fastening bolt 602 and a lower fastening bolt 702 in a first fastening hole 601 and a second fastening hole 701 are screwed, the lower fastening ring 2 and the upper fastening ring 3 limit and fix the external pipeline, the external gas pipeline is prevented from loosening, a joint of the external pipeline, the lower connecting pipe 401 and the upper connecting pipe 501 is sealed by a second sealing gasket 7 and a first sealing gasket 6, the fastening sealing function of the external pipeline is realized, and the problem of poor tightness caused by poor tightness when the external pipeline of a conversion joint is solved; the external gas pipeline is connected into the upper connecting pipe 501, the upper connecting pipe 501 is sleeved in the rotating shaft sleeve 107, the rotating shaft sleeve 107 rolls around the steel balls 108 in the upper movable groove 104, the rotating shaft sleeve 107 drives the upper connecting pipe 501 to rotate, the upper connecting pipe 501 drives the external gas pipeline to rotate, the external gas pipeline is connected into the lower connecting pipe 401, the lower connecting pipe 401 is sleeved in the rotating shaft sleeve 107, the rotating shaft sleeve 107 rolls around the steel balls 108 in the lower movable groove 105, the rotating shaft sleeve 107 drives the lower connecting pipe 401 to rotate, the lower connecting pipe 401 drives the external gas pipeline to rotate, the rotating function of the lower connecting pipe 401 is realized, and the problem that the pipeline is damaged and cracked and gas leakage caused by axial shear stress generated by the fact that the external gas pipeline cannot rotate is solved; the external pipeline fuel gas enters the air passage 106 from the upper connecting pipe 501 and then enters the lower connecting pipe 401 from the air passage 106, so that the fuel gas conversion function is completed; the acrylic polyurethane top coat layer 101, the second epoxy zinc-rich primer layer 201 and the first epoxy zinc-rich primer layer 301 have the functions of corrosion prevention and rust prevention, prevent the adapter from rusting and corrosion, and prolong the service life.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a corrosion-resistant steel plastic crossover sub, includes conversion go-between (1), rotation axle sleeve (107), steel ball (108) and last connecting pipe (501), its characterized in that: an upper movable groove (104) is formed in the inner wall of the conversion connecting ring (1), steel balls (108) are arranged in the upper movable groove (104), a rotating shaft sleeve (107) is movably sleeved on the outer wall of the steel balls (108), and an upper connecting pipe (501) is sleeved on the outer wall of the rotating shaft sleeve (107).

2. A corrosion resistant steel to plastic crossover joint according to claim 1, wherein: the inner wall of the conversion connecting ring (1) is provided with an air passage (106), the top of the inner wall of the conversion connecting ring (1) is provided with a first internal thread (102), the bottom of the inner wall of the conversion connecting ring (1) is provided with a second internal thread (103), and the inner wall of the conversion connecting ring (1) is provided with a lower movable groove (105).

3. A corrosion resistant steel to plastic crossover joint according to claim 1, wherein: the top of the outer wall of the upper connecting pipe (501) is sleeved with a first sealing gasket (6), the outer wall of the upper connecting pipe (501) is sleeved with an upper protecting shell (5), and the outer wall of the upper protecting shell (5) is provided with a first external thread (302).

4. A corrosion resistant steel plastic crossover joint according to claim 3, wherein: the top of the outer wall of the upper protective shell (5) is sleeved with an upper fastening ring (3), a first fastening hole (601) is formed in the outer wall of the upper fastening ring (3), and an upper fastening bolt (602) is mounted on the inner wall of the first fastening hole (601).

5. A corrosion resistant steel to plastic crossover joint according to claim 1, wherein: the lower connecting pipe (401) is installed to conversion go-between (1) outer wall bottom, and second sealing washer (7) are equipped with to lower connecting pipe (401) outer wall bottom cover, and lower protective housing (4) are equipped with to lower connecting pipe (401) outer wall cover, and second external screw thread (202) have been seted up to lower protective housing (4) outer wall.

6. The corrosion resistant steel plastic crossover sub of claim 5, wherein: the lower fastening ring (2) is sleeved at the bottom of the outer wall of the lower protective shell (4), the second fastening hole (701) is formed in the outer wall of the lower fastening ring (2), and the lower fastening bolt (702) is mounted on the inner wall of the second fastening hole (701).

7. A corrosion resistant steel to plastic crossover joint according to claim 1, wherein: the outer wall of the conversion connecting ring (1) is coated with an acrylic polyurethane finish paint layer (101), the outer wall of the upper fastening ring (3) is coated with a first epoxy zinc-rich primer layer (301), and the outer wall of the lower fastening ring (2) is coated with a second epoxy zinc-rich primer layer (201).