CN217153336U

CN217153336U - Plastic-coated steel pipe with high wear resistance

Info

Publication number: CN217153336U
Application number: CN202220572667.9U
Authority: CN
Inventors: 王强
Original assignee: Shandong Gonda Electric Equipment Co ltd
Current assignee: Shandong Gonda Electric Equipment Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-08-09
Anticipated expiration: 2032-03-16

Abstract

The utility model discloses a plastic-coated steel pipe with high wear resistance, which comprises a steel pipe outer ring, wherein a steel pipe inner ring is fixedly connected on the inner wall of the steel pipe outer ring, a convex ring and a concave ring are respectively fixedly connected at the two ends of the steel pipe outer ring and the steel pipe inner ring, the convex ring outer ring is attached to the inner wall of the concave ring, a convex hole and a concave hole are respectively arranged at the middle parts of the convex ring and the concave ring, the convex ring is connected with the concave ring through a fixing buckle, the fixing buckle comprises a ring belt, a plurality of fixing columns are fixedly connected on the inner wall of the ring belt, the two ends of the ring belt are respectively provided with a clamping groove and a clamping block, the convex ring in two steel pipes is inserted into the concave ring during the use process, the fixing columns in the fixing buckle are inserted into the corresponding concave holes and the convex holes, the clamping block is connected with the clamping groove, and the two steel pipes are connected better, the arrangement of the outer ring of the steel pipe avoids the inner ring of the steel pipe from being directly abraded, so that the service life of the device is prolonged better.

Description

Plastic-coated steel pipe with high wear resistance

Technical Field

The utility model relates to a plastic-coated steel pipe field especially relates to a plastic-coated steel pipe that wear resistance is high.

Background

The quality of the pipeline of the basic daily water for people needs to reach the sanitary level. The traditional pipelines adopt galvanized steel pipes, have good mechanical strength and pressure, but because the corrosion resistance is poor, the corrosion is serious and the like, the water quality of a pipe network is directly polluted, the water quality of the pipe network is deteriorated, and the use of the pipe network in a drinking water transmission and distribution pipeline system is forbidden. The plastic-lined steel pipe and the plastic-coated steel pipe developed in recent years replace galvanized steel pipes, have the high strength and the high rigidity of steel pipes and the chemical corrosion resistance of plastics, and are the preferred materials for the pipeline system at present.

The existing plastic-coated steel pipe is poor in fixing effect and difficult to connect a plurality of plastic-coated steel pipes quickly, so that the plastic-coated steel pipe with high wear resistance is designed.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is that; the existing plastic-coated steel pipe is poor in fixing effect and difficult to connect a plurality of plastic-coated steel pipes quickly.

In order to solve the technical problem, the utility model discloses a technical scheme be: the plastic-coated steel pipe with high wear resistance comprises a steel pipe outer ring, wherein a steel pipe inner ring is fixedly connected to the inner wall of the steel pipe outer ring, a convex ring and a concave ring are respectively and fixedly connected to the two ends of the steel pipe outer ring and the two ends of the steel pipe inner ring, the outer ring of the convex ring is attached to the inner wall of the concave ring, convex holes and concave holes are respectively formed in the middle of the convex ring and the concave ring, and the convex ring is connected with the concave ring through a fixing buckle;

the fixing buckle comprises an annular belt, a plurality of fixing columns are fixedly connected to the inner wall of the annular belt, clamping grooves and clamping blocks are arranged at two ends of the annular belt respectively and are connected in a buckling mode, and the groove depth of each clamping groove is not less than five millimeters at zero.

Preferably, the wall thickness of the steel tube outer ring is not less than 1mm-1.5mm, the wall thickness of the steel tube inner ring is not less than 1mm-1.5mm, and the steel tube outer ring is made of wear-resistant materials.

Preferably, the two ends of the outer ring and the inner ring of the steel pipe are respectively bonded with the corresponding convex ring and the concave ring, and the inner ring of the steel pipe is made of steel.

Preferably, the cross section of the concave ring is annularly arranged, the inner wall of the concave ring is clamped with the convex ring, and the concave ring is made of stainless steel.

Preferably, the cross section of shrinkage pool and protruding hole all is circular, shrinkage pool and protruding hole all laminate with the fixed column, the fixed column is the rubber material.

Preferably, the ring belt is bonded with the clamping block, the section of the clamping groove is rectangular, and the ring belt is made of rubber.

Preferably, the cross section of the fixing column is circular, the plurality of fixing columns are distributed on the periphery side of the inner wall of the annular belt in an annular array, and the number of the fixing columns is not less than ten.

Preferably, the wall thickness of the girdle is not less than three millimeters, the inner wall of the girdle is attached to the outer wall of the concave ring, and the concave ring is made of stainless steel.

The utility model has the advantages as follows:

the utility model discloses inside the in-process that uses inserts concave circle with two steel pipe middle convex circles, the fixed column that will fix in detaining inserts corresponding shrinkage pool, protruding downthehole portion to link to each other the fixture block with the draw-in groove, and then accomplish two steel pipes and connect, protruding circle carries out the block with two steel pipes better with the setting of concave circle being convenient for, thereby better connection, and the setting of steel pipe outer lane is avoided the steel pipe inner circle by direct wear, thereby better extension the device's life.

Drawings

Fig. 1 is a side view of the present invention;

FIG. 2 is a perspective view of the concave ring of the present invention;

FIG. 3 is a side view of the fixing buckle of the present invention;

fig. 4 is a perspective view of the middle fixing column of the present invention.

In the figure: 1. an outer ring of the steel pipe; 2. an inner ring of a steel pipe; 3. a concave ring; 4. concave holes; 5. a convex ring; 6. a convex hole; 7. a fixing buckle; 70. a girdle; 71. fixing a column; 72. a card slot; 73. and (7) clamping blocks.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1, the plastic-coated steel tube with high wear resistance comprises a steel tube outer ring 1, a steel tube inner ring 2 is fixedly connected to the inner wall of the steel tube outer ring 1, a convex ring 5 and a concave ring 3 are respectively fixedly connected to two ends of the steel tube outer ring 1 and two ends of the steel tube inner ring 2, the outer ring of the convex ring 5 is attached to the inner wall of the concave ring 3, a convex hole 6 and a concave hole 4 are respectively formed in the middle of the convex ring 5 and the concave ring 3, the convex ring 5 is connected with the concave ring 3 through a fixing buckle 7, the wall thickness of the steel tube outer ring 1 is not less than 1mm-1.5mm, the wall thickness of the steel tube inner ring 2 is not less than 1mm-1.5mm, and the steel tube outer ring 1 is made of a wear-resistant material. The two ends of the steel pipe outer ring 1 and the two ends of the steel pipe inner ring 2 are respectively bonded with the corresponding convex ring 5 and the corresponding concave ring 3, and the steel pipe inner ring 2 is made of steel. The section of the concave ring 3 is arranged in an annular shape, the inner wall of the concave ring 3 is clamped with the convex ring 5, and the concave ring 3 is made of stainless steel.

As shown in fig. 1-4, the fixing buckle 7 includes a ring belt 70, a plurality of fixing posts 71 are fixedly connected to an inner wall of the ring belt 70, two ends of the ring belt 70 are respectively provided with a slot 72 and a block 73, the slot 72 and the block 73 are connected by buckling, and a depth of the slot 72 is not less than five millimeters at zero. Shrinkage pool 4 all is circular with the section of protruding hole 6, shrinkage pool 4 all with the laminating of fixed column 71 with protruding hole 6, fixed column 71 is the rubber material. The ring belt 70 is bonded with the fixture blocks 73, the section of the clamping groove 72 is rectangular, and the ring belt 70 is made of rubber. The cross section of the fixing column 71 is circular, a plurality of fixing columns 71 are distributed on the periphery side of the inner wall of the ring belt 70 in an annular array, and the number of the fixing columns 71 is not less than ten. The wall thickness of the ring belt 70 is not less than three millimeters, the inner wall of the ring belt 70 is attached to the outer wall of the concave ring 3, and the concave ring 3 is made of stainless steel.

The utility model discloses when using, insert concave ring 3 with protruding circle 5 in two steel pipes inside, insert corresponding shrinkage pool 4, protruding hole 6 inside with fixed column 71 who detains in 7 to link to each other fixture block 73 with draw-in groove 72, and then accomplish two steel pipes and connect.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a plastic-coated steel pipe that wear resistance is high, includes steel pipe outer lane (1), its characterized in that: the inner wall of the steel pipe outer ring (1) is fixedly connected with a steel pipe inner ring (2), two ends of the steel pipe outer ring (1) and the steel pipe inner ring (2) are respectively and fixedly connected with a convex ring (5) and a concave ring (3), the outer ring of the convex ring (5) is attached to the inner wall of the concave ring (3), the middle parts of the convex ring (5) and the concave ring (3) are respectively provided with a convex hole (6) and a concave hole (4), and the convex ring (5) is connected with the concave ring (3) through a fixing buckle (7);

the fixing buckle (7) comprises an annular belt (70), a plurality of fixing columns (71) are fixedly connected to the inner wall of the annular belt (70), clamping grooves (72) and clamping blocks (73) are respectively formed in two ends of the annular belt (70), and the clamping grooves (72) and the clamping blocks (73) are connected in a buckled mode.

2. The plastic-coated steel pipe with high wear resistance as claimed in claim 1, wherein: the wall thickness of the steel tube outer ring (1) is not less than 1mm-1.5mm, and the wall thickness of the steel tube inner ring (2) is not less than 1mm-1.5 mm.

3. The plastic-coated steel pipe with high wear resistance as claimed in claim 1, wherein: and the two ends of the steel pipe outer ring (1) and the two ends of the steel pipe inner ring (2) are respectively bonded with the corresponding convex ring (5) and the corresponding concave ring (3).

4. The plastic-coated steel pipe with high wear resistance as claimed in claim 1, wherein: the section of the concave ring (3) is annularly arranged, and the inner wall of the concave ring (3) is clamped with the convex ring (5).

5. The plastic-coated steel pipe with high wear resistance as claimed in claim 1, wherein: the cross section of shrinkage pool (4) and protruding hole (6) all is circular, shrinkage pool (4) and protruding hole (6) all laminate with fixed column (71).

6. The plastic-coated steel pipe with high wear resistance as claimed in claim 1, wherein: the ring belt (70) is bonded with the clamping block (73), and the section of the clamping groove (72) is rectangular.

7. The plastic-coated steel pipe with high wear resistance as claimed in claim 1, wherein: the cross section of the fixing column (71) is circular, and the plurality of fixing columns (71) are distributed on the periphery side of the inner wall of the annular belt (70) in an annular array.

8. The plastic-coated steel pipe with high wear resistance as claimed in claim 1, wherein: the wall thickness of the ring belt (70) is not less than three millimeters, and the inner wall of the ring belt (70) is attached to the outer wall of the concave ring (3).