阅读说明：本技术 防腐蚀型钢塑复合管 (Anti-corrosion steel-plastic composite pipe ) 是由 刘攀 于 2021-01-22 设计创作，主要内容包括：本发明公开了一种防腐蚀型钢塑复合管,包括第一连接管,所述第一连接管的右侧设置有第二连接管,所述第一连接管靠近第二连接管的一侧连接有安装块,所述第二连接管靠近第一连接管的一侧也连接有安装块,所述安装块的内部开设有通孔。本发明通过设置第一卡槽和第二卡槽,将第一连接管移动到第二连接管的一侧,把连接杆移动到通孔的内部时,连接杆带动螺纹杆移出安装块的外部,之后,将弹簧垫套设在螺纹杆的外部,通过螺母与螺纹杆构成的螺纹结构将螺母安装在螺纹杆的外部,当第一卡槽和第二卡槽对齐时,将楔块移动到第一卡槽和第二卡槽形成的楔槽内,便于将楔块固定在楔槽的内部,避免螺纹杆长期使用造成松动。(The invention discloses an anti-corrosion steel-plastic composite pipe which comprises a first connecting pipe, wherein a second connecting pipe is arranged on the right side of the first connecting pipe, an installation block is connected to one side, close to the second connecting pipe, of the first connecting pipe, an installation block is also connected to one side, close to the first connecting pipe, of the second connecting pipe, and a through hole is formed in the installation block. According to the invention, the first connecting pipe is moved to one side of the second connecting pipe by arranging the first clamping groove and the second clamping groove, when the connecting rod is moved to the inside of the through hole, the connecting rod drives the threaded rod to move out of the mounting block, then the spring cushion is sleeved on the outside of the threaded rod, the nut is mounted on the outside of the threaded rod through the threaded structure formed by the nut and the threaded rod, and when the first clamping groove and the second clamping groove are aligned, the wedge block is moved into the wedge groove formed by the first clamping groove and the second clamping groove, so that the wedge block is conveniently fixed in the wedge groove, and the threaded rod is prevented from being loosened after being used for a long time.)

1. An anticorrosion steel-plastic composite pipe comprises a first connecting pipe (1), and is characterized in that: a second connecting pipe (2) is arranged on the right side of the first connecting pipe (1), one side of the first connecting pipe (1) close to the second connecting pipe (2) is connected with an installation block (3), one side of the second connecting pipe (2) close to the first connecting pipe (1) is also connected with the installation block (3), a through hole (4) is arranged inside the installation block (3), wherein,

a connecting rod (5) is arranged in the through hole (4), a threaded rod (6) is connected to the right side of the connecting rod (5), a spring pad (7) is arranged outside the threaded rod (6), a nut (8) is arranged on the right side of the spring pad (7), a first clamping groove (9) is formed in the top end of the threaded rod (6), a second clamping groove (10) is formed in one side, close to the first clamping groove (9), of the nut (8), and wedge blocks (11) are arranged in the first clamping groove (9) and the second clamping groove (10);

the outer plastic layer (12) is arranged outside the first connecting pipe (1) and the second connecting pipe (2), a steel belt layer (13) is arranged inside the first connecting pipe (1) and the second connecting pipe (2) close to the outer plastic layer (12), and an inner plastic layer (14) is arranged inside the first connecting pipe (1) and the second connecting pipe (2) close to the steel belt layer (13).

2. The corrosion-resistant steel-plastic composite pipe according to claim 1, characterized in that: the cross sections of the through hole (4) and the connecting rod (5) are circular, and the inner diameter of the through hole (4) is equal to the outer diameter of the connecting rod (5).

3. The corrosion-resistant steel-plastic composite pipe according to claim 1, characterized in that: the nut (8) and the mounting block (3) form an elastic structure through a spring pad (7).

4. The corrosion-resistant steel-plastic composite pipe according to claim 1, characterized in that: a wedge groove is formed when the first clamping groove (9) and the second clamping groove (10) are aligned, and the wedge groove formed by the first clamping groove (9) and the second clamping groove (10) and the wedge block (11) form interference fit.

5. The corrosion-resistant steel-plastic composite pipe according to claim 1, characterized in that: the outer plastic layer (12) is made of ultra-high molecular weight polyethylene.

6. The corrosion-resistant steel-plastic composite pipe according to claim 1, characterized in that: the inner plastic layer (14) is made of high-density polyethylene.

Technical Field

The invention relates to the technical field of steel-plastic composite pipes, in particular to an anti-corrosion steel-plastic composite pipe.

Background

The anticorrosion composite steel-plastic pipe is made up of seamless steel pipe and welded steel pipe through coating polyethylene powder or epoxy resin with high adhesion, anticorrosion and food-class sanitation on their inner surfaces, pre-treating, preheating, internal coating, levelling and post-treating.

Although the existing anti-corrosion steel-plastic composite pipes are very large in variety and quantity, the existing anti-corrosion steel-plastic composite pipes still have certain problems and bring certain inconvenience to the use of the anti-corrosion steel-plastic composite pipes.

However, most of the anti-corrosion steel-plastic composite pipes are connected through bolts in the using process, the bolts are easy to loosen after long-term use, the using effect is affected, and the using range of the anti-corrosion steel-plastic composite pipes is limited to a great extent, so that a technology capable of improving the structure of the anti-corrosion steel-plastic composite pipes is urgently needed to perfect the equipment.

Disclosure of Invention

The invention aims to provide an anti-corrosion steel-plastic composite pipe, which solves the problems that most of the anti-corrosion steel-plastic composite pipes are connected through bolts in the using process, and the bolts are easy to loosen after long-term use, so that the using effect is influenced.

In order to achieve the purpose, the invention provides the following technical scheme: an anti-corrosion steel-plastic composite pipe comprises a first connecting pipe, wherein a second connecting pipe is arranged on the right side of the first connecting pipe, an installation block is connected to one side, close to the second connecting pipe, of the first connecting pipe, an installation block is also connected to one side, close to the first connecting pipe, of the second connecting pipe, a through hole is formed in the installation block, wherein,

a connecting rod is arranged inside the through hole, a threaded rod is connected to the right side of the connecting rod, a spring pad is arranged outside the threaded rod, a nut is arranged on the right side of the spring pad, a first clamping groove is formed in the top end of the threaded rod, a second clamping groove is formed in one side, close to the first clamping groove, of the nut, and wedge blocks are arranged inside the first clamping groove and the second clamping groove;

the outer plastic layers are arranged outside the first connecting pipe and the second connecting pipe, the steel belt layer is arranged inside the first connecting pipe and the second connecting pipe close to the outer plastic layers, and the inner plastic layers are arranged inside the first connecting pipe and the second connecting pipe close to the steel belt layer.

Preferably, the cross section of the through hole and the cross section of the connecting rod are circular, and the inner diameter of the through hole is equal to the outer diameter of the connecting rod.

Preferably, the nut and the mounting block form an elastic structure through a spring pad.

Preferably, a wedge groove is formed when the first clamping groove and the second clamping groove are aligned, and the wedge groove formed by the first clamping groove and the second clamping groove and the wedge block form interference fit.

Preferably, the outer plastic layer is made of ultra-high molecular weight polyethylene.

Preferably, the inner plastic layer is made of high-density polyethylene.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the first connecting pipe is moved to one side of the second connecting pipe by arranging the first clamping groove and the second clamping groove, when the connecting rod is moved to the inside of the through hole, the connecting rod drives the threaded rod to move out of the mounting block, then the spring cushion is sleeved on the outside of the threaded rod, the nut is mounted on the outside of the threaded rod through the threaded structure formed by the nut and the threaded rod, and when the first clamping groove and the second clamping groove are aligned, the wedge block is moved into the wedge groove formed by the first clamping groove and the second clamping groove, so that the wedge block is conveniently fixed in the wedge groove, and the threaded rod is prevented from being loosened after being used for a long time.

2. According to the invention, the outer plastic layers are arranged, the outer layer and the inner layer of the traditional steel-plastic composite pipe are both high-density polyethylene plastic layers, the wear resistance is poor, the outer plastic layers of the first connecting pipe and the second connecting pipe are ultrahigh molecular weight polyethylene plastic layers, and the inner plastic layers of the first connecting pipe and the second connecting pipe are high-density polyethylene plastic layers, so that the wear resistance of the first connecting pipe and the second connecting pipe is enhanced, and the service life of the connecting pipe is prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a schematic view of the enlarged structure of part A of the present invention 1;

fig. 4 is a schematic view of the enlarged structure of part B of the present invention 2.

In the figure: 1. a first connecting pipe; 2. a second connecting pipe; 3. mounting blocks; 4. a through hole; 5. a connecting rod; 6. a threaded rod; 7. a spring pad; 8. a nut; 9. a first card slot; 10. a second card slot; 11. a wedge block; 12. an outer plastic layer; 13. a steel belt layer; 14. an inner plastic layer.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: an anti-corrosion steel-plastic composite pipe comprises a first connecting pipe 1, a second connecting pipe 2, an installation block 3, a through hole 4, a connecting rod 5, a threaded rod 6, a spring pad 7, a nut 8, a first clamping groove 9, a second clamping groove 10, a wedge block 11, an outer plastic layer 12, a steel belt layer 13 and an inner plastic layer 14, wherein the second connecting pipe 2 is arranged on the right side of the first connecting pipe 1, the installation block 3 is connected to one side, close to the second connecting pipe 2, of the first connecting pipe 1, the installation block 3 is also connected to one side, close to the first connecting pipe 1, of the second connecting pipe 2, the through hole 4 is formed in the installation block 3, the cross sections of the through hole 4 and the connecting rod 5 are circular, the inner diameter of the through hole 4 is equal to the outer diameter of the connecting rod 5, the first connecting pipe 1 is moved to one side of the second connecting pipe 2, the first connecting pipe 1 drives the installation block 3 on one, after that, the connection rod 5 is moved to the inside of the through-hole 4 so that the connection rod 5 penetrates the mounting block 3, wherein,

the connecting rod 5 is arranged in the through hole 4, the right side of the connecting rod 5 is connected with the threaded rod 6, the spring pad 7 is arranged outside the threaded rod 6, the nut 8 is arranged on the right side of the spring pad 7, the nut 8 and the mounting block 3 form an elastic structure through the spring pad 7, when the connecting rod 5 is moved into the through hole 4, the connecting rod 5 drives the threaded rod 6 to move out of the mounting block 3, then the spring pad 7 is sleeved outside the threaded rod 6, the nut 8 is mounted outside the threaded rod 6 through the threaded structure formed by the nut 8 and the threaded rod 6, the nut 8 supports against the spring pad 7, a gap is always reserved between the nut 8 and the threaded rod 6, the nut 8 is continuously rotated until the first clamping groove 9 and the second clamping groove 10 are aligned, the first clamping groove 9 is formed at the top end of the threaded rod 6, and a wedge groove is formed when the first clamping groove 9 and the second clamping groove, when the first clamping groove 9 and the second clamping groove 10 are aligned, the wedge block 11 is moved into the wedge groove formed by the first clamping groove 9 and the second clamping groove 10, the wedge block 11 and the wedge groove form a clamping structure through interference fit, the wedge block 11 is conveniently fixed in the wedge groove, looseness caused by long-term use of the threaded rod 6 is avoided, the second clamping groove 10 is formed in one side, close to the first clamping groove 9, of the nut 8, and the wedge block 11 is arranged in the first clamping groove 9 and the second clamping groove 10;

the outer plastic layers 12 are arranged outside the first connecting pipe 1 and the second connecting pipe 2, the outer plastic layers 12 are made of ultrahigh molecular weight polyethylene, the steel belt layer 13 is arranged inside the first connecting pipe 1 and the second connecting pipe 2 close to the outer plastic layers 12, the inner plastic layers 14 are arranged inside the first connecting pipe 1 and the second connecting pipe 2 close to the steel belt layer 13, the inner plastic layers 14 are made of high density polyethylene, the outer layer and the inner layer of the traditional steel plastic composite pipe are both high density polyethylene plastic layers, the wear resistance is poor, the outer plastic layers 12 of the first connecting pipe 1 and the second connecting pipe 2 are the ultrahigh molecular weight polyethylene plastic layers, and the inner plastic layers 14 of the first connecting pipe 1 and the second connecting pipe 2 are the high density polyethylene plastic layers, so that the wear resistance of the first connecting pipe 1 and the second connecting pipe 2 is enhanced, and the service life of the first connecting pipe 1 and the second connecting pipe.

The working principle is as follows: when the anti-corrosion steel-plastic composite pipe is used, firstly, the first connecting pipe 1 is moved to one side of the second connecting pipe 2, the first connecting pipe 1 drives the mounting block 3 on one side of the first connecting pipe to move to the mounting block 3 on one side of the second connecting pipe 2, then the connecting rod 5 is moved to the inside of the through hole 4, the connecting rod 5 penetrates through the mounting block 3, the connecting rod 5 drives the threaded rod 6 to move out of the mounting block 3, then the spring pad 7 is sleeved outside the threaded rod 6, the nut 8 is mounted outside the threaded rod 6 through the threaded structure formed by the nut 8 and the threaded rod 6, the nut 8 supports against the spring pad 7, a gap is always reserved between the nut 8 and the threaded rod 6, the nut 8 is continuously rotated until the first clamping groove 9 and the second clamping groove 10 are aligned, then the wedge block 11 is moved to the wedge groove formed by the interference of the first clamping groove 9 and the second clamping groove 10, and the wedge 11 and the wedge groove form, be convenient for fix voussoir 11 in the inside of wedge groove, avoid threaded rod 6 to use for a long time and cause not hard uply, the outer plastic layer 12 of first connecting pipe 1 and second connecting pipe 2 is the ultra high molecular weight polyethylene plastic layer, and the interior plastic layer 14 of first connecting pipe 1 and second connecting pipe 2 is high density polyethylene plastic layer, has strengthened the wearability of first connecting pipe 1 and second connecting pipe 2, prolongs its life.

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