阅读说明：本技术 管道连接器 (Pipe connector ) 是由 董勉励 黄启亮 于 2020-12-13 设计创作，主要内容包括：本发明涉及一种管道连接器,其包括：连接管和连接管内衬部件,连接管为管体,连接管内衬部件设置在连接管内壁上,连接管内衬部件包括连接管内衬部件第一部件和连接管内衬部件第二部件,连接管内衬部件第一部件和所述连接管内衬部件第二部件设置在所述连接管内壁上,本发明具有操作方便,连接密实的优点。(The present invention relates to a pipe connector, comprising: the connecting pipe comprises a connecting pipe body and a connecting pipe lining part, wherein the connecting pipe is a pipe body, the connecting pipe lining part is arranged on the inner wall of the connecting pipe, the connecting pipe lining part comprises a connecting pipe lining part first part and a connecting pipe lining part second part, and the connecting pipe lining part first part and the connecting pipe lining part second part are arranged on the inner wall of the connecting pipe.)

1. A pipe connector, comprising: a connecting pipe and a lining part of the connecting pipe, wherein the connecting pipe is a pipe body,

the inner lining part of the connecting pipe is arranged on the inner wall of the connecting pipe,

the connecting pipe lining part is a liner part which is arranged between the outer wall of the two external pipelines connected in series and the inner wall of the connecting pipe so that solid, liquid and gas can not enter the two external pipelines connected in series from the connecting part of the two external pipelines connected in series.

The connecting pipe lining component comprises a connecting pipe lining component first component and a connecting pipe lining component second component, the connecting pipe lining component first component and the connecting pipe lining component second component are arranged on the inner wall of the connecting pipe, and the connecting pipe lining component first component and the connecting pipe lining component second component are connected in series.

2. The pipe coupling of claim 1, wherein: the connection pipe lining member first member has a connection pipe lining member first member lining portion and a connection pipe lining member first member outer stopper portion, the connection pipe lining member first member lining portion is a pipe body, the connection pipe lining member first member outer stopper portion is a pipe body provided on an outer wall of the connection pipe lining member first member lining portion, the connection pipe lining member first member lining portion is provided on an inner wall of the connection pipe, the connection pipe lining member second member has a connection pipe lining member second member lining portion and a connection pipe lining member second member outer stopper portion, the connection pipe lining member second member lining portion is a pipe body, the connection pipe lining member second member outer stopper portion is a pipe body provided on an outer wall of the connection pipe lining member second member lining portion, the connection pipe lining member second member lining portion is provided on an inner wall of the connection pipe, the connecting pipe lining member first member lining part and the connecting pipe lining member second member lining part prevent solid, liquid and gas from entering the lining part inside the external pipeline from the connecting part of the external pipeline and the connecting pipe.

3. The pipe coupling of claim 2, wherein: the connection pipe lining member first member liner section has a connection pipe lining member first member liner section first end portion and a connection pipe lining member first member liner section second end portion, the connection pipe lining member first member outer barrier is disposed on an outer wall of the connection pipe lining member first member liner section first end portion, the connection pipe lining member second member liner section has a connection pipe lining member second member liner section first end portion and a connection pipe lining member first member liner section second end portion, and the connection pipe lining member second member outer barrier is disposed on an outer wall of the connection pipe lining member second member liner section first end portion.

4. The pipe coupling of claim 3, wherein: the first member liner part and the second member liner part of the connecting pipe are pipe bodies with uniform or non-uniform wall thickness.

5. The pipe coupling of claim 3, wherein: the connecting pipe lining component first part lining part is characterized in that the thickness of a first end wall body of the connecting pipe lining component first part lining part is smaller than that of a second end wall body of the connecting pipe lining component first part lining part, a pipe body with the interior being a straight body outside a trapezoid cylinder is formed, the thickness of a first end wall body of the connecting pipe lining component second part lining part is smaller than that of a second end wall body of the connecting pipe lining component second part lining part, and a pipe body with the interior being a trapezoid cylinder and the exterior being a straight cylinder is formed.

6. The pipe coupling of claim 3, wherein: the connecting pipe lining component comprises a connecting pipe lining component first component lining part outer wall and a connecting pipe lining component second component lining part, wherein the connecting pipe lining component first component lining part outer wall and the connecting pipe lining component second component lining part inner wall are provided with a plurality of outer corrugated rings which are annularly arranged, the outer wall of the axial cross section of each outer corrugated ring is arc-shaped or trapezoid-shaped, the inner wall of the connecting pipe lining component first component lining part and the connecting pipe lining component second component lining part inner wall are provided with a plurality of inner corrugated rings which are annularly arranged, and the axial cross section of each inner corrugated ring is arc-shaped or trapezoid-shaped and trapezoid-shaped.

7. The pipe coupling of claim 6, wherein: the outer corrugated rings and the inner corrugated rings of the first connecting pipe lining part and the second connecting pipe lining part are axially symmetrically arranged or axially staggered and asymmetrically arranged.

8. The pipe coupling of claim 3, wherein: the connecting pipe lining component first component lining part and the connecting pipe lining component second component lining part are respectively provided with a plurality of hollow cavities inside, and the hollow cavities are filled with gas.

9. The pipe coupling of claim 3, wherein: the connecting pipe lining component first part further comprises a first connecting pipe lining component first part inner blocking part, the first connecting pipe lining component first part inner blocking part is a pipe body, the first connecting pipe lining component first part inner blocking part is arranged on the first connecting pipe lining component first part lining part second end inner wall, the second connecting pipe lining component second part further comprises a second connecting pipe lining component second part inner blocking part, the second connecting pipe lining component second part inner blocking part is a pipe body, and the second connecting pipe lining component second part inner blocking part is arranged on the second connecting pipe lining component second end inner wall.

10. The pipe coupling of claim 9, wherein: the connecting tube lining member first member lining portion, the connecting tube lining member first member outer stop portion, the connecting tube lining member first member inner stop portion, the connecting tube lining member second member lining portion, the connecting tube lining member second member outer stop portion, and the connecting tube lining member second member inner stop portion are made of an elastic material.

11. The pipe coupling of claim 3, wherein: the thickness of the connecting tube lining member first member lining part is the same as or different from the thickness of the connecting tube lining member second member lining part.

12. The pipe coupling of claim 11, wherein: when the thickness of the connecting pipe lining member first member pad portion is different from the thickness of the connecting pipe lining member second member pad portion, a reinforcing member that is a rigid member that rigidly reinforces the connecting pipe lining member first member inner barrier portion or the connecting pipe lining member second member inner barrier portion is provided in the connecting pipe lining member first member inner barrier portion or the connecting pipe lining member second member inner barrier portion, whichever is relatively thick, of the connecting pipe lining member first member pad portion and the connecting pipe lining member second member pad portion.

13. The pipe coupling of claim 12, wherein: the reinforcing member has an axial cross-section that is a rigid, I-shaped member extending from the second end of the connecting tube lining member first member pad portion to the connecting tube lining member first member inner stop or extending from the second end of the connecting tube lining member second member pad portion to the connecting tube lining member second member inner stop.

14. The pipe coupling of claim 12, wherein: the reinforcing parts are uniformly distributed on the same radial plane in the inner blocking part of the first part of the lining part of the connecting pipe or the inner blocking part of the second part of the lining part of the connecting pipe.

Technical Field

The invention relates to a connector, in particular to a pipeline connector.

Background

Pipeline transportation and cable sleeve have great superiority in the aspects of line laying and fluid transportation, and are widely applied to projects such as urban construction, electric power grids, rail transit and the like. Underground piping systems in large cities today have become a vast network of pipes, even called the lifeline of the city. Therefore, the importance of pipeline engineering is becoming increasingly important.

The pipeline cannot be as long as dozens of meters or hundreds of meters as a cable, so the length of the pipeline is limited by engineering environment, the length of the pipeline cannot be very long, the length of the pipeline is not more than 10 meters generally at present, and the pipeline needs to be connected through a specific device so as to form an integral pipeline, so the connection of the pipeline is an important link in a pipeline system, but is also a weak link in engineering application.

Pipe joints are of many types, such as: welded pipe joints, ferrule pipe joints, flared pipe joints, swaged pipe joints, socket pipe joints, screw-on pipe joints, butt pipe joints, bonded pipe joints, and the like, each having advantages and disadvantages. However, compared with complex construction environments and engineering technical requirements, the existing pipeline connection form has narrow applicability and is difficult to meet the requirements as much as possible.

Disclosure of Invention

In view of the above, there is a need for a pipe connector that can be connected compactly and can meet more requirements as much as possible.

A pipeline connector comprises a connecting pipe and a lining part of the connecting pipe,

the connecting pipe is a pipe body,

the inner lining part of the connecting pipe is arranged on the inner wall of the connecting pipe,

the connecting pipe lining part is a liner part which is arranged between the outer wall of the two external pipelines connected in series and the inner wall of the connecting pipe so that solid, liquid and gas can not enter the two external pipelines connected in series from the connecting part of the two external pipelines connected in series.

The connecting pipe lining component comprises a connecting pipe lining component first component and a connecting pipe lining component second component, the connecting pipe lining component first component and the connecting pipe lining component second component are arranged on the inner wall of the connecting pipe, and the connecting pipe lining component first component and the connecting pipe lining component second component are connected in series.

The first connecting pipe lining component part is provided with a first connecting pipe lining component part lining part and a first connecting pipe lining component part outer blocking part, the first connecting pipe lining component part is a pipe body, the first connecting pipe lining component part outer blocking part is a pipe body arranged on the outer wall of the first connecting pipe lining component part lining part, the first connecting pipe lining component part lining part is positioned on the inner wall of the connecting pipe, and the first connecting pipe lining component part lining part prevents solids, liquid and gas from entering the lining component inside the external connecting pipe from the connecting part of the external connecting pipe and the connecting pipe.

The connecting tube lining member first member lining section has a connecting tube lining member first member lining section first end portion and a connecting tube lining member first member lining section second end portion, and the connecting tube lining member first member outer barrier portion is provided on an outer wall of the connecting tube lining member first member lining section first end portion.

The first part lining part of the connecting pipe lining part is a pipe body with uniform wall thickness.

The first member liner part of the connecting pipe liner part is a pipe body with uneven wall thickness.

The first component liner part of the connecting pipe liner part is a pipe body, the thickness of the first end wall body of the first component liner part of the connecting pipe liner part is smaller than that of the second end wall body of the first component liner part of the connecting pipe liner part, and the pipe body is internally provided with a trapezoid cylinder body and externally provided with a straight body.

The outer wall of the first part liner part of the connecting pipe liner part is provided with a plurality of outer corrugated rings which are arranged annularly.

The outer wall of the axial section of the outer corrugated ring is arc-shaped or trapezoid which protrudes outwards.

The inner wall of the first part lining part of the connecting pipe lining part is provided with a plurality of inner corrugated rings which are arranged annularly.

The axial section of the inner corrugated ring is arc or trapezoid which protrudes towards the axis of the connecting pipe.

The outer corrugated ring and the inner corrugated ring of the first part lining part of the connecting pipe lining part are axially symmetrically arranged.

The outer corrugated rings and the inner corrugated rings of the first part lining part of the connecting pipe lining part are axially and asymmetrically arranged in a staggered mode.

The first part lining part of the connecting pipe lining part is also internally provided with a plurality of hollow cavities which are filled with gas.

The first connecting pipe lining component part also comprises a first connecting pipe lining component part inner blocking part, the first connecting pipe lining component part inner blocking part is a pipe body, and the first connecting pipe lining component part inner blocking part is arranged on the inner wall of the second end part of the first connecting pipe lining component part lining part and is connected with the end part of the external pipeline.

The connecting tube lining member first member lining portion, the connecting tube lining member first member outer barrier and the connecting tube lining member first member inner barrier are made of an elastic material.

The connecting pipe lining component second component is provided with a connecting pipe lining component second component lining part and a connecting pipe lining component second component outer blocking part, the connecting pipe lining component second component lining part is a pipe body, the connecting pipe lining component second component outer blocking part is a pipe body arranged on the outer wall of the connecting pipe lining component second component lining part, the connecting pipe lining component second component lining part is located on the inner wall of the connecting pipe, and the connecting pipe lining component second component lining part prevents solids, liquid and gas from entering the lining component inside the external pipe from the connecting position of the external pipe and the connecting pipe.

The connecting pipe lining member second member lining portion has a connecting pipe lining member second member lining portion first end portion and a connecting pipe lining member first member lining portion second end portion, and the connecting pipe lining member second member outer stopper portion is provided on an outer wall of the connecting pipe lining member second member lining portion first end portion.

The second part lining part of the connecting pipe lining part is a pipe body with uniform wall thickness.

The second part lining part of the connecting pipe lining part is a pipe body with uneven wall thickness.

The connecting pipe lining member second part lining part is a pipe body which is formed by a first end wall body of the connecting pipe lining member second part lining part being smaller in thickness than a second end wall body of the connecting pipe lining member second part lining part and is internally provided with a trapezoid cylindrical body and externally provided with a straight cylindrical body.

The outer wall of the second part liner part of the connecting pipe liner part is provided with a plurality of outer corrugated rings which are arranged in an annular mode.

The outer wall of the axial section of the outer corrugated ring is arc-shaped or trapezoid which protrudes outwards.

The inner wall of the second part lining part of the connecting pipe lining part is provided with a plurality of inner corrugated rings which are arranged annularly.

The axial section of the inner corrugated ring is arc or trapezoid which protrudes towards the axis of the connecting pipe.

The outer corrugated ring and the inner corrugated ring of the second part lining part of the connecting pipe lining part are axially symmetrically arranged.

The outer corrugated rings and the inner corrugated rings of the second part lining part of the connecting pipe lining part are axially arranged in a staggered and asymmetric mode.

The connecting pipe lining component and the second component lining part are respectively provided with a hollow cavity body which is arranged in an annular mode, and the hollow cavity body is filled with gas.

The connecting pipe lining component second component also comprises a connecting pipe lining component second component inner blocking part, the connecting pipe lining component second component inner blocking part is a pipe body, and the connecting pipe lining component second component inner blocking part is arranged on the inner wall of the second end part of the connecting pipe lining component second component lining part and is connected with the end part of the external pipeline.

The connecting tube lining member second member lining portion, the connecting tube lining member second member outer barrier and the connecting tube lining member second member inner barrier are made of an elastic material.

The thickness of the connecting pipe lining member first member lining portion is the same as or different from the thickness of the connecting pipe lining member second member lining portion.

When the thickness of the connecting pipe lining member first member pad portion is different from the thickness of the connecting pipe lining member second member pad portion, a reinforcing member, which is a rigid member that rigidly reinforces the connecting pipe lining member first member inner wall portion or the connecting pipe lining member second member inner wall portion, is provided in the connecting pipe lining member first member inner wall portion or the connecting pipe lining member second member inner wall portion, which is the relatively thick one of the connecting pipe lining member first member pad portion and the connecting pipe lining member second member pad portion.

The reinforcing member has an axial cross-section that is a + -or I-shaped rigid member extending from the second end of the connecting tube lining component first component pad portion to the connecting tube lining component first component indent or from the second end of the connecting tube lining component second component pad portion to the connecting tube lining component second component indent.

The reinforcing parts are uniformly distributed on the same radial plane in the inner blocking part of the first part of the lining part of the connecting pipe or the inner blocking part of the second part of the lining part of the connecting pipe.

The inner blocking part of the first part of the connecting pipe lining part is connected with the inner blocking part of the second part of the connecting pipe lining part.

The invention has the beneficial technical effects

The thickness of the first part of the lining part of the connecting pipe lining part is the same as or different from that of the second part of the lining part of the connecting pipe lining part, so that the connecting pipe can be used for connecting two pipelines with the same pipeline caliber and can also be used for connecting two pipelines with different pipeline calibers.

When the thickness of the first part lining part of the connecting pipe lining part is different from that of the second part lining part of the connecting pipe, the reinforcing fastener is arranged in the first part inner blocking part of the connecting pipe lining part or the second part inner blocking part of the connecting pipe lining part, which is thicker than the first part lining part of the connecting pipe lining part or the second part inner blocking part of the connecting pipe lining part, of the first part lining part of the connecting pipe lining part and the second part lining part of the connecting pipe lining part, so that two pipelines with different pipeline calibers can be used, the pipeline with a relatively small caliber can be prevented from penetrating through the first part inner blocking part of the connecting pipe lining part or the second part inner blocking part of the connecting pipe lining part under the action of external force to enter the pipeline with a relatively large caliber, the pipeline with the relatively small caliber is fixedly connected in the connecting pipe, and.

The first part lining part of the connecting pipe lining part and the second part lining part of the connecting pipe lining part have elasticity, so that the pipeline connecting device is convenient to operate and more compact in connection.

The outer blocking parts of the first connecting pipe lining part component and the second connecting pipe lining part component can limit the first connecting pipe lining part component and the connecting pipe lining part component through the blocking effect of the outer blocking parts during operation, and the two connected pipelines and the connecting pipe can be more closely connected.

The inner blocking parts of the first connecting pipe lining part component and the second connecting pipe lining part component can limit the first connecting pipe lining part component and the second connecting pipe lining part component through the blocking effect of the inner blocking parts during operation, and the two connected pipelines can be more closely connected.

The wall thicknesses of the two end parts of the first part lining part and the second part lining part of the connecting pipe lining part are different, and a pipe body with a straight body outside a trapezoid body is formed inside the pipe body, namely, a horn shape with the caliber gradually reduced from the opening to the middle part of the connecting pipe is formed, so that the connecting operation of two pipelines is facilitated, and the two pipelines can be connected more compactly.

The outer walls of the first connecting pipe lining component lining part and the second connecting pipe lining component lining part are provided with a plurality of inner corrugated rings which are annularly arranged, a plurality of sealing rings can be formed between the first connecting pipe lining component lining part and the second connecting pipe lining component lining part and between the outer wall of the connected pipeline and the inner wall of the connecting pipe, multi-layer sealing protection is formed, and sealing performance of solid, liquid and gas is better.

When the connecting pipe lining component first component lining part and the connecting pipe lining component second component lining part are provided with hollow cavities which are annularly arranged, the sealing performance of the connecting pipe lining component first component lining part and the connecting pipe lining component second component lining part, the outer walls of the two external pipelines and the inner wall of the connecting pipe is more uniform due to the flowing effect of gas in the hollow cavities, and the whole sealing performance is better.

Drawings

FIG. 1 is a schematic view of the pipe coupling of the present invention.

Fig. 2 is a schematic view of the pipe connector of the present invention.

Figure 3 is a schematic view of the radial configuration of the pipe coupling of the present invention.

Fig. 4 is a schematic axial view of the pipe connector of the present invention.

Fig. 5 is a schematic view of an axial structure of the pipe connector of the present invention.

Fig. 6 is a schematic view of an axial structure of the pipe connector of the present invention.

Fig. 7 is a schematic view of an axial structure of the pipe connector of the present invention.

Fig. 8 is a schematic view of an axial structure of the pipe connector of the present invention.

Fig. 9 is a schematic view of an axial structure of the pipe connector of the present invention.

Fig. 10 is a schematic view of an axial structure of the pipe connector of the present invention.

Fig. 11 is a schematic view of an axial structure of the pipe connector of the present invention.

Figure 12 is a schematic view of the radial configuration of the pipe coupling of the present invention.

Wherein the conduit connector 100, the conduit lining member first member 110, the conduit lining member first member liner portion 111, the conduit lining member first member liner portion first end 112, the conduit lining member first member liner portion second end 113, the conduit lining member first member outer stop 114, the conduit lining member first member inner stop 115, the outer corrugated ring 116, the inner corrugated ring 117, the hollow cavity 118,

a connecting tube lining member second member 120, a connecting tube lining member second member liner portion 121, a connecting tube lining member first member liner portion first end 122, a connecting tube lining member second member liner portion second end 123, a connecting tube lining member second member outer stop 124, a connecting tube lining member second member inner stop 125, a reinforcing fastener 126,

and the connecting pipe 130 is externally connected with the pipeline 200.

Detailed Description

A pipeline connector comprises a connecting pipe and a lining part of the connecting pipe,

the connecting pipe is a pipe body,

the inner lining part of the connecting pipe is arranged on the inner wall of the connecting pipe,

the connecting pipe lining part is a liner part which is arranged between the outer wall of the two external pipelines connected in series and the inner wall of the connecting pipe so that solid, liquid and gas can not enter the two external pipelines connected in series from the connecting part of the two external pipelines connected in series.

The connecting pipe lining component comprises a connecting pipe lining component first component and a connecting pipe lining component second component, the connecting pipe lining component first component and the connecting pipe lining component second component are arranged on the inner wall of the connecting pipe, and the connecting pipe lining component first component and the connecting pipe lining component second component are connected in series.

The first connecting pipe lining component part is provided with a first connecting pipe lining component part lining part and a first connecting pipe lining component part outer blocking part, the first connecting pipe lining component part is a pipe body, the first connecting pipe lining component part outer blocking part is a pipe body arranged on the outer wall of the first connecting pipe lining component part lining part, the first connecting pipe lining component part lining part is positioned on the inner wall of the connecting pipe, and the first connecting pipe lining component part lining part prevents solids, liquid and gas from entering the lining component inside the external connecting pipe from the connecting part of the external connecting pipe and the connecting pipe.

The connecting tube lining member first member lining section has a connecting tube lining member first member lining section first end portion and a connecting tube lining member first member lining section second end portion, and the connecting tube lining member first member outer barrier portion is provided on an outer wall of the connecting tube lining member first member lining section first end portion.

The first part lining part of the connecting pipe lining part is a pipe body with uniform wall thickness.

The first member liner part of the connecting pipe liner part is a pipe body with uneven wall thickness.

The first part liner part of the connecting pipe liner part is a pipe body, the thickness of a first end wall body of the first part liner part of the connecting pipe liner part is smaller than that of a second end wall body of the first part liner part of the connecting pipe liner part, and the pipe body is internally a trapezoid body and externally a straight body.

The outer wall of the first part liner part of the connecting pipe liner part is provided with a plurality of outer corrugated rings which are arranged annularly.

The outer wall of the axial section of the outer corrugated ring is arc-shaped or trapezoid which protrudes outwards.

The inner wall of the first part lining part of the connecting pipe lining part is provided with a plurality of inner corrugated rings which are arranged annularly.

The axial section of the inner corrugated ring is arc or trapezoid which protrudes towards the axis of the connecting pipe.

The outer corrugated ring and the inner corrugated ring of the first part lining part of the connecting pipe lining part are axially symmetrically arranged.

The outer corrugated rings and the inner corrugated rings of the first part lining part of the connecting pipe lining part are axially and asymmetrically arranged in a staggered mode.

The first part lining part of the connecting pipe lining part is also internally provided with a plurality of hollow cavities which are filled with gas.

The first connecting pipe lining component part also comprises a first connecting pipe lining component part inner blocking part, the first connecting pipe lining component part inner blocking part is a pipe body, and the first connecting pipe lining component part inner blocking part is arranged on the inner wall of the second end part of the first connecting pipe lining component part lining part and is connected with the end part of the external pipeline.

The connecting tube lining member first member lining portion, the connecting tube lining member first member outer barrier and the connecting tube lining member first member inner barrier are made of an elastic material.

The connecting pipe lining component second component is provided with a connecting pipe lining component second component lining part and a connecting pipe lining component second component outer blocking part, the connecting pipe lining component second component lining part is a pipe body, the connecting pipe lining component second component outer blocking part is a pipe body arranged on the outer wall of the connecting pipe lining component second component lining part, the connecting pipe lining component second component lining part is located on the inner wall of the connecting pipe, and the connecting pipe lining component second component lining part prevents solids, liquid and gas from entering the lining component inside the external pipe from the connecting position of the external pipe and the connecting pipe.

The connecting pipe lining member second member lining portion has a connecting pipe lining member second member lining portion first end portion and a connecting pipe lining member first member lining portion second end portion, and the connecting pipe lining member second member outer stopper portion is provided on an outer wall of the connecting pipe lining member second member lining portion first end portion.

The second part lining part of the connecting pipe lining part is a pipe body with uniform wall thickness.

The second part lining part of the connecting pipe lining part is a pipe body with uneven wall thickness.

The connecting pipe lining member second part lining part is a pipe body which is formed by a first end wall body of the connecting pipe lining member second part lining part being smaller in thickness than a second end wall body of the connecting pipe lining member second part lining part and is internally provided with a trapezoid cylindrical body and externally provided with a straight cylindrical body.

The outer wall of the second part liner part of the connecting pipe liner part is provided with a plurality of outer corrugated rings which are arranged in an annular mode.

The outer wall of the axial section of the outer corrugated ring is arc-shaped or trapezoid which protrudes outwards.

The inner wall of the second part lining part of the connecting pipe lining part is provided with a plurality of inner corrugated rings which are arranged annularly.

The axial section of the inner corrugated ring is arc or trapezoid which protrudes towards the axis of the connecting pipe.

The outer corrugated ring and the inner corrugated ring of the second part lining part of the connecting pipe lining part are axially symmetrically arranged.

The outer corrugated rings and the inner corrugated rings of the second part lining part of the connecting pipe lining part are axially arranged in a staggered and asymmetric mode.

The connecting pipe lining component and the second component lining part are respectively provided with a hollow cavity body which is arranged in an annular mode, and the hollow cavity body is filled with gas.

The connecting pipe lining component second component also comprises a connecting pipe lining component second component inner blocking part, the connecting pipe lining component second component inner blocking part is a pipe body, and the connecting pipe lining component second component inner blocking part is arranged on the inner wall of the second end part of the connecting pipe lining component second component lining part and is connected with the end part of the external pipeline.

The connecting tube lining member second member lining portion, the connecting tube lining member second member outer barrier and the connecting tube lining member second member inner barrier are made of an elastic material.

The thickness of the connecting pipe lining member first member lining portion is the same as or different from the thickness of the connecting pipe lining member second member lining portion.

When the thickness of the connecting pipe lining member first member pad portion is different from the thickness of the connecting pipe lining member second member pad portion, a reinforcing member, which is a rigid member that rigidly reinforces the connecting pipe lining member first member inner wall portion or the connecting pipe lining member second member inner wall portion, is provided in the connecting pipe lining member first member inner wall portion or the connecting pipe lining member second member inner wall portion, which is the relatively thick one of the connecting pipe lining member first member pad portion and the connecting pipe lining member second member pad portion.

The reinforcing member has an axial cross-section that is a + -or I-shaped rigid member extending from the second end of the connecting tube lining component first component pad portion to the connecting tube lining component first component indent or from the second end of the connecting tube lining component second component pad portion to the connecting tube lining component second component indent.

The reinforcing parts are uniformly distributed on the same radial plane in the inner blocking part of the first part of the lining part of the connecting pipe or the inner blocking part of the second part of the lining part of the connecting pipe.

The inner blocking part of the first part of the connecting pipe lining part is connected with the inner blocking part of the second part of the connecting pipe lining part.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

In the first embodiment, please refer to fig. 1, fig. 2 and fig. 3.

A pipe connector 100 comprises a connecting pipe 130 and a connecting pipe lining part, wherein the connecting pipe 130 is a pipe body, the connecting pipe lining part is arranged on the inner wall of the connecting pipe 130, and the connecting pipe lining part is a lining part which is arranged between the outer wall of two external pipelines 200 which are connected in series and the inner wall of the connecting pipe so that solid, liquid and gas cannot enter the two external pipelines 200 which are connected in series from the connecting part of the two external pipelines 200 which are connected in series.

The connection pipe lining member includes a connection pipe lining member first member 110 and a connection pipe lining member second member 120, the connection pipe lining member first member 110 and the connection pipe lining member second member 120 are provided on an inner wall of the connection pipe, and the connection pipe lining member first member and the connection pipe lining member second member are connected in series.

The connection pipe lining member first member 110 has a connection pipe lining member first member lining part 111 and a connection pipe lining member first member outer stopper 114, the connection pipe lining member first member lining part 111 is a pipe body, the connection pipe lining member first member outer stopper 114 is a pipe body provided on an outer wall of the connection pipe lining member first member lining part 111, the connection pipe lining member first member lining part 111 is located on an inner wall of the connection pipe 130, and the connection pipe lining member first member lining part 111 prevents solids, liquids, and gases from entering the lining member inside the external pipe 200 from a connection portion of the external pipe and the connection pipe 130.

The connecting tube lining member first member outer stops 114 and the connecting tube lining member second member outer stops 124 are the same thickness as the connecting tube 130.

The connecting tube lining member first member lining section 111 has a connecting tube lining member first member lining section first end 112 and a connecting tube lining member first member lining section second end 113, and a connecting tube lining member first member outer stop 114 is provided on the outer wall of the connecting tube lining member first member lining section first end 112.

The connecting pipe lining member first member lining portion 111 is a pipe body having a wall body with a uniform thickness.

The connecting tube lining member first member lining part 111 and the connecting tube lining member first member outer barrier 114 are made of an elastic material.

The connection pipe lining member second member 120 has a connection pipe lining member second member lining portion 121 and a connection pipe lining member second member outer stopper 124, the connection pipe lining member second member lining portion 121 is a pipe body, the connection pipe lining member second member outer stopper 124 is a pipe body provided on an outer wall of the connection pipe lining member second member lining portion 121, the connection pipe lining member second member lining portion 121 is located on an inner wall of the connection pipe 130, and the connection pipe lining member second member lining portion 121 prevents solids, liquids, and gases from entering the lining member inside the external pipe from a connection portion of the external pipe and the connection pipe 130.

The connection pipe lining member second member lining part 121 has a connection pipe lining member second member lining part first end 122 and a connection pipe lining member first member lining part second end 123, and the connection pipe lining member second member blocking part 124 is provided on the outer wall of the connection pipe lining member second member lining part first end 122.

The connecting pipe lining member second member lining portion 121 is a pipe body having a wall body with a uniform thickness.

The connecting tube lining member second member lining part 121 and the connecting tube lining member second member outer barrier 124 are made of an elastic material.

The thickness of the connecting pipe lining member first member lining portion 111 is the same as the thickness of the connecting pipe lining member second member lining portion 121.

In the second embodiment, please refer to fig. 4, which is based on the first embodiment and is different in that: two lining parts of the connecting pipe are both provided with inner blocking parts.

The connection pipe lining member first member 110 further has a connection pipe lining member first member inner stopper 115, the connection pipe lining member first member inner stopper 115 is a pipe body, and the connection pipe lining member first member inner stopper 115 is disposed on an inner wall of the second end portion of the connection pipe lining member first member lining portion and connected to a port of an external connection pipe.

The connector tube lining member first member lining portion, the connector tube lining member first member outer stop 114 and the connector tube lining member first member inner stop 115 are made of an elastic material.

The connection pipe lining member second member 120 further has a connection pipe lining member second member inner stopper 125, the connection pipe lining member second member inner stopper 125 is a pipe body, and the connection pipe lining member second member inner stopper 125 is disposed on an inner wall of the second end portion of the connection pipe lining member second member lining portion and connected to an end portion of the external connection pipe.

The connecting tube lining member second member lining portion, the connecting tube lining member second member outer barrier 124 and the connecting tube lining member second member inner barrier 125 are made of an elastic material.

The connecting tube inner liner member first member internal stop 115 is coupled to the connecting tube inner liner member second member internal stop 125.

The thickness of the inner blocking part 115 of the first connecting pipe lining part and the inner blocking part of the second connecting pipe lining part can be set to be 3-20 mm, the specific thickness is determined according to the thickness of the wall of an external pipeline, the general principle is that the thickness of the inner blocking part 115 of the first connecting pipe lining part and the inner blocking part of the second connecting pipe lining part is less than or equal to the thickness of the wall of the external pipeline, preferably, the thickness of the inner blocking part 115 of the first connecting pipe lining part and the inner blocking part of the second connecting pipe lining part is equal to the thickness of the wall of the external pipeline, so that the inner connection part of the two external pipelines can be smoothly transited, and liquid and cables can smoothly circulate or pass through the connecting pipe.

See fig. 5 for a third embodiment.

Based on the second embodiment, the improvement of the second embodiment is that corrugated rings are arranged inside and outside the lining part of the connecting pipe, the thickness of the lining part of the connecting pipe is uneven, the axial cross section of the lining part of the connecting pipe is trapezoidal, and a hollow cavity is arranged in the lining part of the connecting pipe, and the specific technical scheme is described as follows:

a pipe connector 100 comprises a connecting pipe 130 and a connecting pipe lining part, wherein the connecting pipe 130 is a pipe body, the connecting pipe lining part is arranged on the inner wall of the connecting pipe 130, and the connecting pipe lining part is a lining part which is arranged between the outer wall of two external pipes connected in series and the inner wall of the connecting pipe so that solid, liquid and gas can not enter the inside of the two external pipes connected in series from the connecting part of the two external pipes connected in series.

The connection pipe lining member includes a connection pipe lining member first member 110 and a connection pipe lining member second member 120, and the connection pipe lining member first member 110 and the connection pipe lining member second member 120 are disposed on an inner wall of the connection pipe.

The connection pipe lining member first member 110 has a connection pipe lining member first member lining portion 111 and a connection pipe lining member first member outer stopper 114, the connection pipe lining member first member lining portion 111 is a pipe body, the connection pipe lining member first member outer stopper 114 is a pipe body provided on an outer wall of the connection pipe lining member first member lining portion 111, the connection pipe lining member first member lining portion 111 is located on an inner wall of the connection pipe 130, and the connection pipe lining member first member lining portion 111 prevents solids, liquids, and gases from entering the lining member inside the external pipe from a connection portion of the external pipe and the connection pipe 130.

The connecting tube lining member first member lining section 111 has a connecting tube lining member first member lining section first end 112 and a connecting tube lining member first member lining section second end 113, and a connecting tube lining member first member outer stop 114 is provided on the outer wall of the connecting tube lining member first member lining section first end 112.

The connecting pipe lining member first member lining portion 111 is a pipe body having a wall body with a non-uniform thickness.

The connecting pipe lining member first member pad portion 111 is a pipe body having a straight body inside a trapezoidal cylinder and outside a straight body, and the wall thickness of the first end portion 112 of the connecting pipe lining member first member pad portion is smaller than the wall thickness of the second end portion 113 of the connecting pipe lining member first member pad portion.

The outer wall of the connecting pipe lining member first member lining portion 111 has a plurality of outer corrugated rings 116 arranged in a ring shape. The outer wall of the axial section of the outer corrugated ring is an arc shape protruding outwards and can also be in a trapezoid shape.

The inner wall of the connecting pipe lining member first member lining portion 111 has a plurality of inner corrugated rings 117 arranged in a ring shape.

The axial section of the inner corrugated ring 117 is an arc shape protruding towards the axis of the connecting pipe, and can also be trapezoidal. The outer and inner corrugated rings 116, 117 of the connecting tube lining member first member lining portion are arranged axially symmetrically.

The connecting pipe lining member first member lining part 110 further has a plurality of hollow cavities 118 inside, and the hollow cavities 118 are filled with gas.

The connecting tube lining member first member lining part 111, the connecting tube lining member first member outer barrier 114 and the connecting tube lining member first member inner barrier are made of an elastic material.

The connection pipe lining member second member 120 has a connection pipe lining member second member lining portion 121 and a connection pipe lining member second member outer stopper 124, the connection pipe lining member second member lining portion 121 is a pipe body, the connection pipe lining member second member outer stopper 124 is a pipe body provided on an outer wall of the connection pipe lining member second member lining portion 121, the connection pipe lining member second member lining portion 121 is located on an inner wall of the connection pipe 130, and the connection pipe lining member second member lining portion 121 prevents solids, liquids, and gases from entering the lining member inside the external pipe from a connection portion of the external pipe and the connection pipe 130.

The connection pipe lining member second member lining part 121 has a connection pipe lining member second member lining part first end 122 and a connection pipe lining member first member lining part second end 123, and the connection pipe lining member second member blocking part 124 is provided on the outer wall of the connection pipe lining member second member lining part first end 122.

The connecting pipe lining member second member lining portion 120 is a pipe body having a wall body with a non-uniform thickness.

The connecting pipe lining member second member lining part 120 is a pipe body in which the wall thickness of the first end 122 of the connecting pipe lining member second member lining part is smaller than that of the second end 123 of the connecting pipe lining member second member lining part and which is a trapezoidal cylindrical body inside and a straight cylindrical body outside.

The outer wall of the connecting pipe lining member second member lining portion 120 has a plurality of outer corrugated rings 116 arranged in a ring shape. The outer wall of the axial section of the outer corrugated ring 116 is an arc shape protruding outwards, and may be configured as a trapezoid.

The inner wall of the connecting pipe lining member second member lining portion 120 has a plurality of inner corrugated rings 117 arranged in a ring shape. The axial section of the inner corrugated ring 117 is an arc shape protruding towards the axis of the connecting pipe, and can also be trapezoidal.

The outer corrugated rings 116 and the inner corrugated rings 117 of the connecting pipe lining member first member lining portion 110 and the connecting pipe lining member second member lining portion 120 are disposed axially symmetrically. The outer corrugated ring and the inner corrugated ring are axially and symmetrically arranged, so that a plurality of connection structures which are locally and tightly extruded and contacted are formed by the external pipeline, the first part lining part 110 of the connecting pipe lining part and the second part lining part 120 of the connecting pipe lining part, and the better sealing performance is ensured.

As for the alternative arrangement of the outer and inner beads, the outer beads 116 and the inner beads 117 of the connection pipe lining member first member lining portion 110 and the connection pipe lining member second member lining portion 120 are axially staggered and asymmetrically arranged. The outer corrugated ring and the inner corrugated ring are axially arranged in a staggered and asymmetric mode, when the outer connecting pipe penetrates into the connecting pipe, a plurality of connecting structures which are locally extruded and contacted more tightly can be formed, and the protruding parts of the outer corrugated ring or the inner corrugated ring move in the opposite direction of the protruding parts under the extrusion action of the connecting pipe or the outer connecting pipe, so that the connecting operation of the outer connecting pipe is facilitated, the labor is saved, and the connecting pipe is easier to connect.

The interior of the connecting pipe lining member second member lining portion 120 is also provided with a hollow cavity 118 arranged annularly, and the hollow cavity 118 is filled with gas. The volume of all the hollow cavities is smaller than the total volume of the outer corrugated ring and the inner corrugated ring. The radial dimension of any hollow cavity is smaller than the thickness of the outer corrugated ring or the inner corrugated ring.

The inflatable hollow cavities formed inside the connecting tube lining member first member lining part 110 and the connecting tube lining member second member lining part 120 may be annular, or a plurality of inflatable capsules may be uniformly distributed inside the connecting tube lining member first member lining part 110 and the connecting tube lining member second member lining part 120. When the outer corrugated ring and the inner corrugated ring can be extruded by the inflated hollow cavity, the space is towards the activity, so that the connection operation of an external pipeline is more facilitated, and meanwhile, after the outer corrugated ring and the inner corrugated ring are extruded to deform, better elasticity is kept due to the gas expansion effect in the inflated hollow cavity, so that the external pipeline is connected more tightly, and the sealing performance is better.

The connecting tube lining member second member lining part 121, the connecting tube lining member second member outer barrier 124 and the connecting tube lining member second member inner barrier 125 are made of an elastic material.

In the fourth embodiment, please refer to fig. 6 and fig. 7, based on the third embodiment, the difference is that: the lining part of the connecting pipe is a pipe body with uniform wall thickness.

A pipe connector 100 comprises a connecting pipe 130 and a connecting pipe lining part, wherein the connecting pipe 130 is a pipe body, the connecting pipe lining part is arranged on the inner wall of the connecting pipe 130, and the connecting pipe lining part is a lining part which is arranged between the outer wall of two external pipes connected in series and the inner wall of the connecting pipe so that solid, liquid and gas can not enter the inside of the two external pipes connected in series from the connecting part of the two external pipes connected in series.

The connection pipe lining member includes a connection pipe lining member first member 110 and a connection pipe lining member second member 120, and the connection pipe lining member first member 110 and the connection pipe lining member second member 120 are disposed on an inner wall of the connection pipe.

The connection pipe lining member first member 110 has a connection pipe lining member first member lining portion 111 and a connection pipe lining member first member outer stopper 114, the connection pipe lining member first member lining portion 111 is a pipe body, the connection pipe lining member first member outer stopper 114 is a pipe body provided on an outer wall of the connection pipe lining member first member lining portion 111, the connection pipe lining member first member lining portion 111 is located on an inner wall of the connection pipe 130, and the connection pipe lining member first member lining portion 111 prevents solids, liquids, and gases from entering the lining member inside the external pipe from a connection portion of the external pipe and the connection pipe 130.

The connecting tube lining member first member lining section 111 has a connecting tube lining member first member lining section first end 112 and a connecting tube lining member first member lining section second end 113, and a connecting tube lining member first member outer stop 114 is provided on the outer wall of the connecting tube lining member first member lining section first end 112.

The connecting pipe lining member first member lining portion 111 is a pipe body having a wall body with a uniform thickness.

The outer wall of the connecting pipe lining member first member lining portion 111 has a plurality of outer corrugated rings 116 arranged in a ring shape.

The outer wall of the axial section of the outer corrugated ring is an arc shape protruding outwards and can also be in a trapezoid shape.

The inner wall of the connecting pipe lining member first member lining portion 111 has a plurality of inner corrugated rings 117 arranged in a ring shape.

The axial section of the inner corrugated ring 117 is an arc shape protruding towards the axis of the connecting pipe, and can also be trapezoidal.

The outer and inner corrugated rings 116, 117 of the connecting tube lining member first member lining portion are arranged axially symmetrically.

The connecting pipe lining member first member lining part 110 further has a plurality of hollow cavities 118 inside, and the hollow cavities 118 are filled with gas.

The connecting tube lining member first member lining part 111, the connecting tube lining member first member outer barrier 114 and the connecting tube lining member first member inner barrier are made of an elastic material.

The connection pipe lining member second member 120 has a connection pipe lining member second member lining portion 121 and a connection pipe lining member second member outer stopper 124, the connection pipe lining member second member lining portion 121 is a pipe body, the connection pipe lining member second member outer stopper 124 is a pipe body provided on an outer wall of the connection pipe lining member second member lining portion 121, the connection pipe lining member second member lining portion 121 is located on an inner wall of the connection pipe 130, and the connection pipe lining member second member lining portion 121 prevents solids, liquids, and gases from entering the lining member inside the external pipe from a connection portion of the external pipe and the connection pipe 130.

The connection pipe lining member second member lining part 121 has a connection pipe lining member second member lining part first end 122 and a connection pipe lining member first member lining part second end 123, and the connection pipe lining member second member blocking part 124 is provided on the outer wall of the connection pipe lining member second member lining part first end 122.

The connecting pipe lining member second member lining portion 121 is a pipe body having a wall body with a uniform thickness.

The outer wall of the connecting pipe lining member second member lining portion 120 has a plurality of outer corrugated rings 116 arranged in a ring shape.

The outer wall of the axial section of the outer corrugated ring 116 is an arc shape protruding outwards, and may be configured as a trapezoid.

The inner wall of the connecting pipe lining member second member lining portion 120 has a plurality of inner corrugated rings 117 arranged in a ring shape.

The axial section of the inner corrugated ring 117 is an arc shape protruding towards the axis of the connecting pipe, and can also be trapezoidal.

The outer and inner corrugated rings 116 and 117 of the connecting pipe lining member second member lining portion 120 are arranged axially symmetrically.

The outer and inner corrugated rings 116, 117 of the connecting tube lining member second member lining portion 120 are disposed axially staggered asymmetrically.

The interior of the connecting pipe lining member second member lining portion 120 is also provided with a hollow cavity 118 arranged annularly, and the hollow cavity 118 is filled with gas.

The connecting tube lining member second member lining part 121, the connecting tube lining member second member outer barrier 124 and the connecting tube lining member second member inner barrier 125 are made of an elastic material.

The thickness of the connecting pipe lining member first member lining portion 111 is the same as the thickness of the connecting pipe lining member second member lining portion 121.

In a fifth embodiment, please refer to fig. 8, 9, 10, 11 and 12, which are based on the fourth embodiment and have the following differences:

the connecting pipe lining member first member lining portion 111 is a pipe body having a uniform wall thickness, and the connecting pipe lining member second member lining portion 121 is a pipe body having a uniform wall thickness, but the thickness of the connecting pipe lining member first member lining portion 111 is different from the thickness of the connecting pipe lining member second member lining portion 121. The reinforcing member is provided at a part of the lining member of the connection pipe having a relatively small diameter of the external pipe 200 to prevent the small-diameter pipe from slipping off due to axial sliding.

When the thickness of the connecting pipe lining member first member pad portion is different from the thickness of the connecting pipe lining member second member pad portion, a reinforcing member 126 is provided in the connecting pipe lining member second member inner barrier portion, which is the relatively thick one of the connecting pipe lining member first member pad portion and the connecting pipe lining member second member pad portion, the reinforcing member 126 being a rigid member that rigidly reinforces the connecting pipe lining member second member inner barrier portion 125. The reinforcing member may be made of a hard material, and more particularly, may be made of a hard material having a better affinity or adhesion with the lining member of the connection pipe, including but not limited to hard rubber.

The reinforcing member 126 is a rigid member having a shape of a rectangle or a rectangle extending from the second end of the connecting tube lining part second part lining part pad portion to the connecting tube lining part second part inner stop 125 in axial cross section.

The number of the reinforcing members is 8, and a plurality of reinforcing members 126 are uniformly distributed on the same radial plane in the inner baffle part 125 of the second part of the lining part of the connecting pipe.

The reinforcing fastener can effectively prevent the external pipeline 200 with a relatively small caliber from penetrating the inner blocking part under the action of external force and sliding into the external pipeline with a relatively large caliber. Besides, the sealing connection function is achieved, and meanwhile the function of connecting external pipelines with different calibers can be achieved.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.