CN210118556U

CN210118556U - Reducing arc butt joint

Info

Publication number: CN210118556U
Application number: CN201920598706.0U
Authority: CN
Inventors: 何宇光; 王斌; 叶永波
Original assignee: Zhejiang Haohai Pipe Co Ltd
Current assignee: Zhejiang Haohai Pipe Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-02-28
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses a reducing arc is to joint, the inboard surface of major possession is equipped with screw thread a, the inboard of major possession and the below welding that is located screw thread a have snap ring a, snap ring a's inboard is inlayed and is equipped with sealing washer an, sealing washer an's inboard top is equipped with neck bush an, be equipped with holding tank a between neck bush an and the major possession, neck bush an's lateral surface is equipped with a plurality of chucking burr an, there is little joint below of major possession through the arc pipe connection, the radian of arc pipe is 45, the welding of the inner wall top of arc pipe has the buffer, the buffer subtracts to dash the ring by a plurality of and constitutes, subtract and be equipped with the interval between the ring, the top of arc pipe is the major possession pipe. Through at arc pipe welding buffer, can effectively alleviate the gas when passing through, to the impact force of reducing arc to the joint, the setting of big sheath and little sheath simultaneously not only can play the guard action to reducing arc to the joint, can also be under emergency, carries out rapid processing to the reducing arc to the joint that has the potential safety hazard.

Description

Reducing arc butt joint

Technical Field

The utility model relates to a gas pipeline connects the field, concretely relates to reducing arc butt joint.

Background

The gas pipe is a special pipeline for conveying combustible gas, and has the characteristics of convenience in installation, reliability in connection, corrosion resistance, no gas blockage, good flexibility, long service life, capability of being bent at will without deformation, no gas blockage and the like. The soft protective layer material on the surface has the characteristics of safety, easier cleaning and attractive appearance, when the gas pipes are connected, a plurality of butt joints are generally required to be used for connection, and the reducing arc-shaped butt joint can butt joint pipelines with different diameters and is one of the commonly used butt joints. The diameter of one end of the reducing arc butt joint is large, the diameter of the other end of the reducing arc butt joint is small, when internal gas is led to one end of the small end from one end of the large end, impact force on the reducing arc butt joint is large, leakage is easy to occur at the butt joint head, and therefore safety accidents are induced.

Disclosure of Invention

In view of the above-mentioned shortcomings or drawbacks of the prior art, it is desirable to provide a reduced diameter arcuate docking head that not only reduces impact forces, but also provides for quick handling in an emergency.

According to the technical scheme provided by the embodiment of the application, the reducing arc butt joint comprises a large joint, an arc pipe and a small joint, wherein a thread a is arranged on the inner side surface of the large joint, a snap ring a is welded on the inner side of the large joint and below the thread a, a sealing ring a is embedded in the inner side of the snap ring a, an inner bushing a is arranged above the inner side of the sealing ring a, a containing groove a is formed between the inner bushing a and the large joint, a plurality of clamping convex patterns a are arranged on the outer side of the inner bushing a, the small joint is connected below the large joint through the arc pipe, the radian of the arc pipe is 45 degrees, a buffer part is welded above the inner wall of the arc pipe and consists of a plurality of impact reducing rings, a space is formed between the impact reducing rings, the large-mouth pipe is arranged above the arc pipe, the outer side of the large joint extends to the outer wall of the large-mouth pipe, and is sleeved with a large sheath, the upper end of big sheath is located the below of big joint upper end, the below of arc pipe is the kou pipe, the outside of kou just extends to the outer wall of kou pipe has cup jointed little sheath, the right-hand member of little sheath is located the left side of little joint right-hand member, the outside of arc pipe just is located little sheath with be equipped with four recesses between the big sheath, the groove is around being equipped with fixed iron wire, the total four sections of fixed iron wire, the inboard surface of little joint is equipped with screw thread b, the inboard of little joint just is located screw thread b's below welding has snap ring b, snap ring b's inboard is inlayed and is equipped with sealing washer b, sealing washer b's inboard top is equipped with neck bush b, neck bush b with be equipped with between the little joint and hold chamber b, neck bush b's lateral surface is equipped with a plurality of chucking burr b.

In this application, the main joint the arc tube with as an organic whole formula structure between the small joint, the small joint the arc tube with the main joint is the carbon steel material.

In this application, the diameter of major joint is greater than the diameter of little joint, the little joint is located the right side below of major joint, the diameter of arc pipe is dwindled from top to bottom in proper order.

In the application, the diameter of the sealing ring a is larger than that of the sealing ring b, the sealing ring a and the inner bushing a are of an integrally formed structure, and the sealing ring b and the inner bushing b are of an integrally formed structure.

In this application, the buffer is located the inboard of big sheath, big sheath is located the upper left side of little sheath, little sheath with big sheath is the rubber material.

In this application, fixed iron wire is web-like galvanized iron wire, the end of fixed iron wire has cup jointed prevents scraping the headgear, big sheath with be equipped with the interval between the little sheath.

To sum up, the beneficial effect of this application: through at arc pipe welding buffer, can effectively alleviate the gas when passing through, to the impact force of reducing arc to the joint, the setting of big sheath and little sheath simultaneously not only can play the guard action to reducing arc to the joint, can also be under emergency, carries out rapid processing to the reducing arc to the joint that has the potential safety hazard.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic view of the present application showing the connection between the arced tube and the bumper portion;

FIG. 3 is a schematic top view of the large joint of the present application;

FIG. 4 is a schematic top view of a small joint according to the present application;

FIG. 5 is a schematic structural view of the joint between the fixed iron wire and the protective film.

Reference numbers in fig. 1, 2, 3 and 4: 1. a large joint; 2. an arc tube; 3. a small joint; 4. a sealing ring a; 5. an inner liner a; 6. a buffer section; 7. a large sheath; 8. a small sheath; 9. fixing an iron wire; 10. a sealing ring b; 11. an inner liner (b).

Reference numbers in fig. 5: 9. fixing an iron wire; 12. and (4) a protective film.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 and 2, a reducing arc butt joint comprises a large joint 1, an arc pipe 2 and a small joint 3, wherein a thread a is arranged on the inner side surface of the large joint 1, a snap ring a is welded on the inner side of the large joint 1 and below the thread a, a sealing ring a4 is embedded on the inner side of the snap ring a, an inner bushing a5 is arranged above the inner side of the sealing ring a4, an accommodating groove a is arranged between the inner bushing a5 and the large joint 1, a plurality of clamping convex patterns a are arranged on the outer side surface of the inner bushing a5, the small joint 3 is connected below the large joint 1 through the arc pipe 2, the radian of the arc pipe 2 is 45 degrees, a buffer part 6 is welded above the inner wall of the arc pipe 2, the buffer part 6 is composed of a plurality of impact reducing rings, a distance is arranged between the impact reducing rings, the large joint is arranged above the arc pipe 2, the outer side of the large joint 1 and the outer wall extending to the large opening pipe are sleeved with a large sheath 7, the upper end of the large sheath 7 is located below the upper end of the large joint 1, the lower side of the arc pipe 2 is provided with a small opening pipe, the outer side of the small joint 3 and the outer wall extending to the small opening pipe are sleeved with a small sheath 8, the right end of the small sheath 8 is located on the left side of the right end of the small joint 3, four grooves are arranged on the outer side of the arc pipe 2 and between the small sheath 8 and the large sheath 7, fixed iron wires 9 are wound at the grooves, the fixed iron wires 9 are four sections in total, the inner side surface of the small joint 3 is provided with a thread b, the inner side of the small joint 3 and below the thread b are welded with a snap ring b, the inner side of the snap ring b is embedded with a sealing ring b10, the inner side upper side of the sealing ring b10 is provided with an inner lining b11, and an accommodating cavity b is arranged between the inner lining b11 and, the outer side surface of the inner lining b11 is provided with a plurality of clamping convex patterns b. The large joint 1, the arc-shaped pipe 2 and the small joint 3 are of an integrally formed structure, and the small joint 3, the arc-shaped pipe 2 and the large joint 1 are made of carbon steel. The diameter of large joint 1 is greater than the diameter of small joint 3, small joint 3 is located the right side below of large joint 1, the diameter of arc pipe 2 reduces from top to bottom in proper order. The buffer part 6 is positioned on the inner side of the large sheath 7, the large sheath 7 is positioned on the upper left side of the small sheath 8, and the small sheath 8 and the large sheath 7 are both made of rubber materials. Fixed iron wire 9 is web-shaped galvanized iron wire, the tip of fixed iron wire 9 has cup jointed prevents scraping the headgear, big sheath 7 with be equipped with the interval between the little sheath 8, both can play the effect of protection to reducing arc butt joint, can carry out rapid processing to reducing arc butt joint again under emergency.

As shown in fig. 3 and 4, the diameter of the sealing ring a4 is greater than that of the sealing ring b10, an integrally formed structure is formed between the sealing ring a4 and the inner bushing a5, and an integrally formed structure is formed between the sealing ring b10 and the inner bushing b11, so that the connection between the reducing arc butt joint and the pipeline is tighter.

Example 1: the small joint 3 is connected below the large joint 1 through the arc pipe 2, the sealing ring a4 is embedded in the inner side of the clamping ring a, the inner bushing a5 is arranged above the inner side of the sealing ring a4 and is of an integrally formed structure, the buffer part 6 is welded above the inner wall of the arc pipe 2, the large sheath 7 is sleeved on the outer side of the large joint 1 and extends to the outer wall of the large opening pipe, the small sheath 8 is sleeved on the outer side of the small joint 3 and extends to the outer wall of the small opening pipe, the fixed iron wire 9 is wound in the groove, the sealing ring b10 is embedded in the inner side of the clamping ring b, the inner bushing b11 is arranged above the inner side of the sealing ring b10 and is of an integrally formed structure.

Example 2: firstly, the end parts of large pipelines and small pipelines with different diameters are correspondingly connected to the inner sides of a large joint 1 and a small joint 3, and the connection between the large pipelines and the large joint 1 and the connection between the small pipelines and the small joint 3 are tighter through the arrangement of an inner lining a5 and an inner lining b; when natural gas flows from the large joint 1 with a larger diameter to the small joint 3 with a smaller diameter, the buffer part 6 can reduce the impact force generated when the diameter is suddenly reduced, so that the use safety of the reducing arc-shaped butt joint is improved; the large sheath 7 and the small sheath 8 can play a role in protection, and meanwhile, when the reducing arc butt joint leaks, the large sheath 7 can be moved to the joint of the large pipeline and the large joint 1, the small sheath 8 can be moved to the joint of the small pipeline and the small joint 3, then the fixed iron wire 9 is taken down, and the two ends of the small sheath are wrapped and bundled for quick treatment; meanwhile, the reducing arc-shaped butt joint can be used on a gas pipeline and can be applied to pipelines for fire fighting, petrochemical industry, heating ventilation, solar energy and the like.

Example 3: as shown in fig. 5, the present application may further include a protective film 12, wherein the protective film 12 is wound on the outer side of the fixed iron wire 9; the setting of protective film 12 can play the guard action to fixed iron wire 9, has prolonged the life of fixed iron wire 9.

The foregoing description is only exemplary of the preferred embodiments of the application and is provided for the purpose of illustrating the general principles of the technology and the like. Meanwhile, the scope of the invention according to the present application is not limited to the technical solutions in which the above-described technical features are combined in a specific manner, and also covers other technical solutions in which the above-described technical features or their equivalent are combined arbitrarily without departing from the inventive concept described above. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. The utility model provides a reducing arc butt joint, includes major possession (1), arc pipe (2) and small joint (3), characterized by: the inner side surface of the large joint (1) is provided with a thread a, the inner side of the large joint (1) is positioned below the thread a, a clamping ring a is welded, a sealing ring a (4) is embedded in the inner side of the clamping ring a, an inner bushing a (5) is arranged above the inner side of the sealing ring a (4), an accommodating groove a is arranged between the inner bushing a (5) and the large joint (1), the outer side surface of the inner bushing a (5) is provided with a plurality of clamping convex patterns a, the lower side of the large joint (1) is connected with the small joint (3) through the arc-shaped pipe (2), the radian of the arc-shaped pipe (2) is 45 degrees, a buffer part (6) is welded above the inner wall of the arc-shaped pipe (2), the buffer part (6) is composed of a plurality of impact reducing rings, a distance is arranged between the impact reducing rings, the upper side of the arc-shaped pipe (2) is a large, the outer side of the large joint (1) and the outer wall extending to the large opening pipe are sleeved with a large sheath (7), the upper end of the large sheath (7) is located below the upper end of the large joint (1), the lower side of the arc pipe (2) is a small opening pipe, the outer side of the small joint (3) and the outer wall extending to the small opening pipe are sleeved with a small sheath (8), the right end of the small sheath (8) is located on the left side of the right end of the small joint (3), four grooves are formed in the outer side of the arc pipe (2) and located between the small sheath (8) and the large sheath (7), fixed iron wires (9) are wound in the grooves, four sections of the fixed iron wires (9) are arranged, a thread b is arranged on the inner side surface of the small joint (3), a snap ring b is welded in the inner side of the small joint (3) and located below the thread b, a sealing ring b (10) is embedded in the inner side of the snap ring b, an inner bushing b (11) is arranged above the inner side of the sealing ring b (10), an accommodating cavity b is arranged between the inner bushing b (11) and the small joint (3), and a plurality of clamping convex lines b are arranged on the outer side surface of the inner bushing b (11).

2. A reducing arc butt joint according to claim 1, wherein: the large joint (1), the arc-shaped pipe (2) and the small joint (3) are of an integrally formed structure, and the small joint (3), the arc-shaped pipe (2) and the large joint (1) are made of carbon steel.

3. A reducing arc butt joint according to claim 1, wherein: the diameter of major possession (1) is greater than the diameter of little joint (3), little joint (3) are located the right side below of major possession (1), the diameter of arc pipe (2) reduces from top to bottom in proper order.

4. A reducing arc butt joint according to claim 1, wherein: the diameter of the sealing ring a (4) is larger than that of the sealing ring b (10), an integrally formed structure is arranged between the sealing ring a (4) and the inner bushing a (5), and an integrally formed structure is arranged between the sealing ring b (10) and the inner bushing b (11).

5. A reducing arc butt joint according to claim 1, wherein: the buffer part (6) is positioned on the inner side of the large sheath (7), the large sheath (7) is positioned on the upper left side of the small sheath (8), and the small sheath (8) and the large sheath (7) are made of rubber materials.

6. A reducing arc butt joint according to claim 1, wherein: the fixed iron wire (9) is a coiled galvanized iron wire, the end part of the fixed iron wire (9) is sleeved with a scratch-resistant head sleeve, and a space is arranged between the large sheath (7) and the small sheath (8).