CN210637637U - Six equilateral special-shaped steel pipes - Google Patents

Abstract

The utility model discloses a six equilateral special-shaped steel pipes, including the steel pipe shaft, the both sides of steel pipe shaft are equipped with steel pipe joint, its characterized in that: the steel pipe joints comprise a first steel pipe joint on the left side and a second steel pipe joint on the right side; the outer tip of first steel pipe joint is equipped with first spread groove, installs first spiral buckle in the first spread groove, and second steel pipe joint tip is equipped with the second spread groove, installs second spiral buckle in the second spread groove, and first spiral buckle matches each other with second spiral buckle. The utility model discloses increased spiral buckle structure, realized the spiral concatenation through spiral buckle structure, the concatenation leakproofness is good, convenient operation.

Description

Six equilateral special-shaped steel pipes

Technical Field

The utility model relates to a pipeline especially relates to a six equilateral special-shaped steel pipes.

Background

Steel pipes are steel with a hollow cross section whose length is much greater than the diameter or circumference. The steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the shape of the cross section; the steel pipe is divided into a carbon structural steel pipe, a low-alloy structural steel pipe, an alloy steel pipe and a composite steel pipe according to the material quality; the steel pipes are divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment and the like according to the application; the production process includes seamless steel pipe and welded steel pipe, the seamless steel pipe includes hot rolling and cold rolling (drawing), and the welded steel pipe includes straight seam welded steel pipe and spiral seam welded steel pipe.

The special-shaped steel pipe is a steel pipe with an economic section. Including non-circular cross-sectional profiles, constant wall thickness, variable diameter and variable wall thickness along the length, symmetrical and asymmetrical cross-sections, and the like. Such as square, rectangular, conical, trapezoidal, spiral, etc. The special-shaped steel pipe can be more suitable for the particularity of the use condition, the metal is saved, and the labor productivity of part manufacturing is improved. It is widely applied to the aspects of aviation, automobiles, shipbuilding, mining machinery, agricultural machinery, construction, light textile, boiler manufacturing and the like. The method for producing the special pipe comprises cold drawing, electric welding, extrusion, hot rolling and the like, wherein the cold drawing method is widely applied. The special-shaped seamless steel pipe is widely used for various structural parts, tools and mechanical parts. Compared with a round pipe, the special pipe generally has larger inertia moment and section modulus, has larger bending resistance and torsion resistance, can greatly reduce the structural weight and save steel.

With the gradual use of steel pipes becoming extensive, often need splice the steel pipe according to actual need, current steel pipe need be spliced with the help of specific coupling, and the concatenation operation is complicated, and is higher to workman's operation technique requirement.

Disclosure of Invention

An object of the utility model is to provide a six equilateral special-shaped steel pipes to the defect among the prior art, has increased spiral buckle structure, realizes the spiral concatenation through spiral buckle structure, and the concatenation leakproofness is good, convenient operation.

In order to solve the technical problems, the following technical scheme is adopted:

the utility model provides a six equilateral special-shaped steel pipes, includes the steel pipe shaft, and the both sides of steel pipe shaft are equipped with steel pipe joint, its characterized in that: the steel pipe joints comprise a first steel pipe joint on the left side and a second steel pipe joint on the right side; the outer tip of first steel pipe joint is equipped with first spread groove, installs first spiral buckle in the first spread groove, and second steel pipe joint tip is equipped with the second spread groove, installs second spiral buckle in the second spread groove, and first spiral buckle matches each other with second spiral buckle.

Further, the first spiral buckle comprises a first clamping ring and a first clamping plate, the first clamping plate is arranged on the first clamping ring at equal intervals, and a clamping groove is formed between the first clamping plate and the first clamping ring; the second spiral buckle includes second rand and second cardboard, and the equidistant second cardboard that locates of second cardboard circles, and first cardboard matches each other with the second cardboard, is equipped with the card limit on the second cardboard, and the card limit matches each other with the draw-in groove. Based on the structure of above-mentioned spiral buckle, realize the connection that can be easy between the steel pipe, it is very convenient, and its connection principle is: the first spiral buckle and the second spiral buckle are staggered and engaged, the first clamping plate is contacted with the second clamping ring, the second clamping plate is contacted with the first clamping ring, the first spiral buckle and the second spiral buckle are rotated in opposite directions, the clamping edges are clamped into the corresponding clamping grooves, and at the moment, the two steel pipes are perfectly connected in an aligned state; the two steel pipes can be detached by reverse operation. The spiral buckle is simple in structure, ingenious in design, capable of greatly simplifying connection operation, free of complex pipe joints and capable of providing great convenience for life production.

Furthermore, the pipe orifice of the second steel pipe joint is provided with a sealing ring, the sealing ring is matched with the pipe orifice of the first steel pipe joint, and the sealing ring is inserted into the pipe orifice of the first steel pipe joint. The sealing ring can be inserted into the first steel pipe joint, and a sealing barrier is formed at the joint of the first steel pipe joint and the second steel pipe joint, so that the sealing performance of steel pipe connection is improved, the structure is simple, and the practicability is high.

Further, the outer surface of the sealing ring is provided with a sealing rubber pad. The sealing performance of the steel pipe connection is further improved through the sealing rubber pad.

Preferably, the cross-sectional shape of the outer surface of the steel pipe body is hexagonal, the inner hole of the steel pipe body is circular, and the shapes of the first steel pipe joint and the second steel pipe joint are consistent with the shape of the steel pipe body. The hexagonal steel pipe has larger inertia moment and section modulus, has larger bending resistance and torsion resistance, can greatly reduce the structural weight and save steel.

Preferably, the steel pipe body comprises an inner steel pipe, a 3PE heat-shrinkable band, a glass fiber reinforced layer and a hexagonal outer protection pipe, wherein the 3PE heat-shrinkable band is coated outside the inner steel pipe, the glass fiber reinforced layer is coated outside the 3PE heat-shrinkable band, and the hexagonal outer protection pipe is connected outside the glass fiber reinforced layer. The 3PE heat shrinkable tape has a corrosion resistance function, and the corrosion resistance of the steel pipe is improved; the glass fiber reinforced layer improves the structural strength and the bending and torsion resistance of the steel pipe, and the hexagonal outer protective pipe has higher toughness, wear resistance and elastic deformation capacity, so that external impact can be better counteracted, and the steel pipe is prevented from being broken by digging or impacting and leaking.

Furthermore, the surface of the hexagonal outer protective pipe is coated with an insecticidal coating, and an insecticide is mixed in the insecticidal coating. The insecticidal coating has insecticidal effect and can prevent steel pipes from being corroded by insect pests.

Furthermore, a separation steel plate is arranged in an inner hole of the steel pipe body, the separation steel plate comprises a first curved plate, a second curved plate and a straight plate, two ends of the first curved plate and two ends of the second curved plate are fixed on the inner wall of the steel pipe body, and two ends of the straight plate are respectively connected with the first curved plate and the second curved plate; the inner hole of the steel pipe body is divided into 4 flow guide channels by the first curved plate, the second curved plate and the straight plate. The inner hole is divided into 4 flow guide channels through the first curved plate, the second curved plate and the third curved plate, so that the fluid is relatively and uniformly distributed into the 4 flow guide channels, the pressure of the fluid on the steel pipe is dispersed, the corrosion and scouring effects of the fluid on the steel pipe are reduced, and the service life of the steel pipe is prolonged.

Due to the adoption of the technical scheme, the method has the following beneficial effects:

the utility model relates to a six equilateral special-shaped steel pipes to the defect among the prior art, has increased spiral buckle structure, realizes the spiral concatenation through spiral buckle structure, and the concatenation leakproofness is good, convenient operation. The concrete beneficial effects are as follows:

1. based on the structure of the spiral buckle, the steel pipes can be easily connected, and the connection and the disconnection can be realized through simple screwing and unscrewing, so that the steel pipes are very convenient to use; the spiral buckle has simple structure and ingenious design, greatly simplifies the connection operation, does not need complex pipe joints and provides great convenience for life production.

2. Install first spiral buckle and second spiral buckle through first spread groove and second spread groove, guarantee to connect the face of being connected of back first steel pipe joint and second steel pipe joint and closely laminate, promote the leakproofness.

3. The sealing ring can be inserted into the first steel pipe joint, and a sealing barrier is formed at the joint of the first steel pipe joint and the second steel pipe joint, so that the sealing performance of steel pipe connection is improved, the structure is simple, and the practicability is high.

4. The inner hole is divided into 4 flow guide channels through the first curved plate, the second curved plate and the third curved plate, so that the fluid is relatively and uniformly distributed into the 4 flow guide channels, the pressure of the fluid on the steel pipe is dispersed, the corrosion and scouring effects of the fluid on the steel pipe are reduced, and the service life of the steel pipe is prolonged.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic view of a deformed steel pipe

FIG. 2 is a schematic structural view of a first steel pipe joint;

FIG. 3 is a schematic structural view of a second steel pipe joint;

FIG. 4 is a cross-sectional view of a steel pipe body;

FIG. 5 is a schematic structural view of the first helical buckle;

FIG. 6 is a schematic structural view of a second screw fastener;

FIG. 7 is a schematic structural view of the first clamping plate;

FIG. 8 is a schematic structural view of the second clamping plate;

fig. 9 is a schematic structural view of the seal ring.

Detailed Description

As shown in fig. 1 to 9, a six-equilateral special-shaped steel tube comprises a steel tube body 1, steel tube joints are arranged on two sides of the steel tube body 1, the cross-sectional shape of the outer surface of the steel tube body 1 is hexagonal, an inner hole 9 of the steel tube body 1 is circular, and the shape of each steel tube joint is consistent with that of the steel tube body 1. The hexagonal steel pipe has larger inertia moment and section modulus, has larger bending resistance and torsion resistance, can greatly reduce the structural weight and save steel.

The steel pipe body 1 comprises an inner steel pipe 10, a 3PE heat-shrinkable belt 11, a glass fiber reinforced layer 12 and a hexagonal outer protection pipe 13, wherein the 3PE heat-shrinkable belt 11 is coated outside the inner steel pipe 10, the glass fiber reinforced layer 12 is coated outside the 3PE heat-shrinkable belt 11, and the hexagonal outer protection pipe 13 is connected outside the glass fiber reinforced layer 12. The 3PE heat shrinkable tape 11 has a corrosion-resistant function, so that the corrosion resistance of the steel pipe is improved; the glass fiber reinforced layer 12 improves the structural strength and the bending and torsion resistance of the steel pipe, and the hexagonal outer protective pipe 13 has high toughness, wear resistance and elastic deformation capacity, so that external impact can be offset better, and the steel pipe is prevented from being broken by digging or being impacted to cause leakage. Further, the surface of the hexagonal outer jacket 13 is coated with an insecticidal coating material in which an insecticide is mixed. The insecticidal coating has insecticidal effect and can prevent steel pipes from being corroded by insect pests.

A separation steel plate is arranged in an inner hole 9 of the steel pipe body 1 and comprises a first curved plate 21, a second curved plate 22 and a straight plate 23, two ends of the first curved plate 21 and two ends of the second curved plate 22 are fixed on the inner wall of the steel pipe body 1, and two ends of the straight plate 23 are respectively connected with the first curved plate 21 and the second curved plate 22, as shown in fig. 4; the inner hole 9 of the steel pipe body 1 is divided into 4 diversion channels by the first curved plate 21, the second curved plate 22 and the straight plate 23. The inner hole 9 is divided into 4 flow guide channels through the first curved plate 21, the second curved plate 22 and the third curved plate, so that the fluid is relatively and uniformly distributed into the 4 flow guide channels, the pressure of the fluid on the steel pipe is dispersed, the corrosion and scouring effects of the fluid on the steel pipe are reduced, and the service life of the steel pipe is prolonged.

The steel pipe joints are used for interconnecting steel pipes, and include a first steel pipe joint 2 connected to the left side and a second steel pipe joint 3 connected to the right side. The outer tip of first steel pipe joint 2 is equipped with first spread groove 5, installs first spiral buckle 6 in the first spread groove 5, and 3 tip of second steel pipe joint are equipped with second spread groove 7, install second spiral buckle 8 in the second spread groove 7, and first spiral buckle 6 matches each other with second spiral buckle 8, can screw each other.

The first spiral buckle 6 comprises a first clamping ring 14 and a first clamping plate 15, the first clamping ring 14 is arranged on the inner wall of the first connecting groove 5, the first clamping plate 15 is arranged on the first clamping ring 14 at equal intervals, and a certain gap is formed between the first clamping plate 15 and the inner wall of the first connecting groove 5; a clamping groove 18 is formed between the first clamping plate 15 and the first clamping ring 14, and the opening of the clamping groove 18 faces outwards; second spiral buckle 8 includes second rand 16 and second cardboard 17, and second rand 16 is installed in the inner wall of second spread groove 7, and on second rand 16 was located to equidistant the second cardboard 17, first cardboard 15 mateed each other with second cardboard 17, was equipped with card limit 19 on the second cardboard 17, and card limit 19 sets up inwards for card limit 19 matees each other with draw-in groove 18. Based on the structure of above-mentioned spiral buckle, realize the connection that can be easy between the steel pipe, it is very convenient, and its connection principle is: firstly, the first spiral buckle 6 and the second spiral buckle 8 are staggered, the first clamping plate 15 is contacted with the second clamping ring 16, the second clamping plate 17 is contacted with the first clamping ring 14, the first spiral buckle 6 and the second spiral buckle 8 are rotated in opposite directions, the clamping edge 19 is clamped into the corresponding clamping groove 18, the second clamping plate 17 fills the gap of the first clamping plate 15, and at the moment, two steel pipes are perfectly connected in an aligned state; the two steel pipes can be detached by reverse operation. The spiral buckle is simple in structure, ingenious in design, capable of greatly simplifying connection operation, free of complex pipe joints and capable of providing great convenience for life production.

The mouth of pipe department of second steel pipe joint 3 is equipped with sealing ring 4, and sealing ring 4 matches each other with the mouth of pipe of first steel pipe joint 2, and sealing ring 4 inserts in the mouth of pipe of first steel pipe joint 2. The sealing ring 4 can be inserted into the first steel pipe joint 2, and a sealing barrier is formed at the joint of the first steel pipe joint 2 and the second steel pipe joint 3, so that the sealing performance of steel pipe connection is improved, the structure is simple, and the practicability is high. The outer surface of the sealing ring 4 is provided with a sealing rubber pad 20. The sealing rubber gasket 20 further improves the sealing performance of the steel pipe connection.

The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered in the protection scope of the present invention.

Claims (7)

1. The utility model provides a six equilateral special-shaped steel pipes, includes the steel pipe shaft, the both sides of steel pipe shaft are equipped with steel pipe joint, its characterized in that: the steel pipe joints comprise a first steel pipe joint on the left side and a second steel pipe joint on the right side; the outer end part of the first steel pipe joint is provided with a first connecting groove, a first spiral buckle is installed in the first connecting groove, the end part of the second steel pipe joint is provided with a second connecting groove, a second spiral buckle is installed in the second connecting groove, and the first spiral buckle and the second spiral buckle are matched with each other.

2. The six equilateral heteromorphic steel pipe as set forth in claim 1, wherein: the first spiral buckle comprises a first clamping ring and first clamping plates, the first clamping plates are arranged on the first clamping ring at equal intervals, and clamping grooves are formed between the first clamping plates and the first clamping ring; the second spiral buckle comprises a second clamping ring and a second clamping plate, the second clamping plate is arranged on the second clamping ring at equal intervals, the first clamping plate is matched with the second clamping plate, a clamping edge is arranged on the second clamping plate, and the clamping edge is matched with the clamping groove.

3. The six equilateral heteromorphic steel pipe as set forth in claim 1, wherein: and a sealing ring is arranged at the pipe orifice of the second steel pipe joint and is matched with the pipe orifice of the first steel pipe joint, and the sealing ring is inserted into the pipe orifice of the first steel pipe joint.

4. The six equilateral heteromorphic steel pipe as set forth in claim 3, wherein: and a sealing rubber pad is arranged on the outer surface of the sealing ring.

5. The six equilateral heteromorphic steel pipe as set forth in claim 1, wherein: the cross-sectional shape of the outer surface of the steel pipe body is hexagonal, the inner hole of the steel pipe body is circular, and the shapes of the first steel pipe joint and the second steel pipe joint are consistent with the shape of the steel pipe body.

6. The six equilateral irregular shaped steel tube as set forth in claim 5, wherein: the steel pipe body comprises an inner steel pipe, a 3PE heat-shrinkable band, a glass fiber reinforced layer and a hexagonal outer protection pipe, wherein the 3PE heat-shrinkable band is coated outside the inner steel pipe, the glass fiber reinforced layer is coated outside the 3PE heat-shrinkable band, and the hexagonal outer protection pipe is connected outside the glass fiber reinforced layer.

7. The six equilateral irregular shaped steel tube as set forth in claim 5, wherein: the inner hole of the steel pipe body is provided with a separation steel plate, the separation steel plate comprises a first curved plate, a second curved plate and a straight plate, two ends of the first curved plate and two ends of the second curved plate are fixed on the inner wall of the steel pipe body, and two ends of the straight plate are respectively connected with the first curved plate and the second curved plate; and dividing the inner hole of the steel pipe body into 4 flow guide channels by means of the first curved plate, the second curved plate and the straight plate.

Images