CN214699632U

CN214699632U - Stainless steel composite welding steel pipe

Info

Publication number: CN214699632U
Application number: CN202120418449.5U
Authority: CN
Inventors: 孙希忠
Original assignee: Tianjin Ranxin Hydropower Technology Co ltd
Current assignee: Tianjin Ranxin Hydropower Technology Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-11-12
Anticipated expiration: 2031-02-25

Abstract

The utility model relates to a composite welding steel pipe technical field just discloses a stainless steel composite welding steel pipe, including outer tube and inner tube, the internal surface of outer tube cup joints with the external fixed surface of inner tube, the tooth's socket has all been seted up at both ends about the outer tube surface, controls both ends the surface of tooth's socket threaded connection has fixed plate one and fixed plate two respectively, the fixed screw hole has all been seted up with the surface of fixed plate two to fixed plate one, the right side the medial surface threaded connection in fixed screw hole has the set screw. This stainless steel hybrid welding steel pipe through setting up the set screw, can weld this steel pipe more than two or two through welding the ring to with set screw with fixed plate two and a fixed plate fixed connection, thereby can make this steel pipe when using, through fixed plate two and fixed plate one fixed, make the better fixing of this steel pipe more than two or be in the same place, thereby prolonged the live time of this steel pipe.

Description

Stainless steel composite welding steel pipe

Technical Field

The utility model relates to a composite welding steel pipe technical field specifically is a stainless steel composite welding steel pipe.

Background

The stainless steel composite welded steel pipe is made by using pipe-making machine set, pipe-coiling machine and spiral ring-welding machine. Because the composite layer is metallurgically bonded, the stainless steel composite welding ring can be subjected to flame cutting, welding, bending, stamping and other processing, and can also be used for manufacturing pipe fittings such as elbows, tees, reducer joints and the like. The method is suitable for pipeline systems with corrosion resistance and cleanliness requirements. Because the material cost is low, the construction cost can be reduced by replacing a pure stainless steel pipeline. The base material of the composite welding ring can be made of a container plate, a boiler plate and various low alloy steel plates, so that the composite welding ring has high strength and can bear high working pressure, and the comprehensive mechanical property of the composite welding ring is higher than that of a pure stainless steel pipeline.

Stainless steel hybrid welding steel pipe in market welds through using the welding rod to form, but uses the longer back of steel pipe time, and the welded steel pipe department corrodes and then the crack appears, reduces steel pipe live time to when welding two welded pipes together, it is comparatively inconvenient to weld.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a stainless steel hybrid welding steel pipe possesses the stable welding department of being convenient for, extension live time, the welding of being convenient for, and easy operation's advantage has solved the stainless steel hybrid welding steel pipe on the market, welds through using the welding rod and forms, but uses the longer back of steel pipe time, and the corrosion and then the crack appears in welding steel pipe department, reduces steel pipe live time to when welding two welded pipe together, weld comparatively inconvenient problem.

The utility model provides a following technical scheme: a stainless steel composite welded steel pipe comprises an outer pipe and an inner pipe, wherein the inner surface of the outer pipe is fixedly sleeved with the outer surface of the inner pipe, tooth grooves are formed in the left end and the right end of the outer surface of the outer pipe, the outer surface of the tooth grooves in the left end and the right end is respectively in threaded connection with a first fixing plate and a second fixing plate, fixing screw holes are formed in the outer surfaces of the first fixing plate and the second fixing plate, fixing screws are in threaded connection with the inner side surfaces of the fixing screw holes in the right side, an extension pipe is fixedly connected to the top of the second fixing plate, a first fixing ring groove and a first connecting rod groove are formed in the outer surface of the extension pipe, a fixing ring is sleeved in the inner movable manner of the first fixing ring groove, a first connecting rod is fixedly connected to the outer surface of the fixing ring, the output end of the first connecting rod extends to the outer side surface of the extension pipe through the first connecting rod groove, a first adjusting rod groove is formed in the top of the output end of the first connecting rod, the adjusting device comprises an adjusting rod I, a fixing rod II, an adjusting rod II, a fixing column II, a rotating arc and a rotating arc, wherein the fixing column I is fixedly connected to the inner portion of the adjusting rod I, the fixing rod I is movably sleeved on the outer surface of the fixing column I, the connecting rod II is movably sleeved on the outer surface of the output end of the other end of the fixing rod II, the adjusting rod II is arranged at the top of the connecting rod II, the fixing column II is fixedly connected to the inner portion of the adjusting rod II, the outer surface of the fixing column II is movably sleeved with the right output end of the fixing rod II, and the rotating arc is fixedly connected to the bottom output end of the connecting rod II.

Preferably, the fixing screw is matched with the inner surface of the left fixing screw hole.

Preferably, the extrusion annular has been seted up to the left surface of fixed plate one, the medial surface fixedly connected with of extrusion annular is sealed to fill up, the right flank fixedly connected with extrusion ring of fixed plate two, the medial surface looks adaptation that extrusion ring and sealed pad.

Preferably, a rotating arc groove is formed in the right side face of the first fixing plate, and the inner side face of the rotating arc groove is matched with the outer surface of a rotating arc.

Preferably, the right side of the inner side surface of the extension pipe is matched with the outer surface of the first fixing plate, and the right side of the inner side surface of the extension pipe is in threaded connection with the outer surface of the first fixing plate.

Preferably, the outer surfaces of the left end and the right end of the outer pipe and the inner pipe are fixedly connected with welding rings.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this stainless steel hybrid welding steel pipe through setting up the set screw, can weld this steel pipe more than two or two through welding the ring to with set screw with fixed plate two and a fixed plate fixed connection, thereby can make this steel pipe when using, through fixed plate two and fixed plate one fixed, make the better fixing of this steel pipe more than two or be in the same place, thereby prolonged the live time of this steel pipe.

2. This stainless steel hybrid welding steel pipe, through setting up rotatory arc, when needs weld, tentatively fix fixed plate one and fixed plate two through the fixed screw to with rotatory arc joint in the inboard in rotatory arc groove, thereby can make this steel pipe more than two or two when the welding, make its welded more stable, and carry out the removal of welding machine through manual promotion dead lever, thereby the welding is more level and more smooth.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure A of the present invention;

fig. 3 is a schematic view of the front side of the structure of the present invention.

In the figure: 1. an outer tube; 2. an inner tube; 3. a tooth socket; 4. a first fixing plate; 5. a second fixing plate; 6. fixing screw holes; 7. fixing screws; 8. an extrusion ring; 9. an extension pipe; 10. rotating the arc groove; 11. welding a ring; 12. extruding the ring groove; 13. a gasket; 14. rotating the arc; 15. a fixed ring groove; 16. a fixing ring; 17. a first connecting rod; 18. fixing a first column; 19. fixing the rod; 20. fixing a second column; 21. and a second connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a stainless steel composite welded steel pipe comprises an outer pipe 1 and an inner pipe 2, the inner surface of the outer pipe 1 is fixedly sleeved with the outer surface of the inner pipe 2, the outer surfaces of the left and right ends of the outer pipe 1 and the inner pipe 2 are fixedly connected with welding rings 11, the left and right ends of the outer surface of the outer pipe 1 are respectively provided with tooth sockets 3, the outer surfaces of the tooth sockets 3 at the left and right ends are respectively in threaded connection with a first fixing plate 4 and a second fixing plate 5, the left side surface of the first fixing plate 4 is provided with an extrusion ring groove 12, the inner side surface of the extrusion ring groove 12 is fixedly connected with a sealing gasket 13, the right side surface of the second fixing plate 5 is fixedly connected with an extrusion ring 8, the extrusion ring 8 is adapted to the inner side surface of the sealing gasket 13, thereby the sealing performance of the device can be improved, the outer surfaces of the first fixing plate 4 and the second fixing plate 5 are both provided with fixing screw holes 6, the inner side surface of the fixing screw hole 6 at the right side is in threaded connection with a fixing screw 7, the fixed screw 7 is matched with the inner surface of the left fixed screw hole 6, two or more than two steel pipes can be welded through the welding ring 11 by arranging the fixed screw 7, the fixed screw 7 fixedly connects the fixed plate two 5 with the fixed plate one 4, thereby when the steel pipe is used, two or more than two steel pipes are better fixed together by fixing the fixed plate two 5 with the fixed plate one 4, thereby prolonging the service life of the steel pipe, the top part of the fixed plate two 5 is fixedly connected with the extension pipe 9, the right side of the inner side surface of the extension pipe 9 is matched with the outer surface of the fixed plate one 4, the right side of the inner side surface of the extension pipe 9 is in threaded connection with the outer surface of the fixed plate one 4, the outer surface of the extension pipe 9 is provided with a fixed ring groove 15 and a connecting rod groove, the inner part of the fixed ring groove 15 is movably sleeved with a fixed ring 16, the outer surface of the fixed ring 16 is fixedly connected with a first connecting rod 17, the output end of the first connecting rod 17 extends to the outer side surface of the extension pipe 9 through a first connecting rod groove, the top of the output end of the first connecting rod 17 is provided with a first adjusting rod groove, the inner part of the first adjusting rod groove is fixedly connected with a first fixing column 18, the outer surface of the first fixing column 18 is movably sleeved with a fixing rod 19, the outer surface of the output end at the other end of the fixing rod 19 is movably sleeved with a second connecting rod 21, the top of the second connecting rod 21 is provided with a second adjusting rod groove, the inner part of the second adjusting rod groove is fixedly connected with a second fixing column 20, the outer surface of the second fixing column 20 is movably sleeved with the right side output end of the fixing rod 19, the bottom output end of the second connecting rod 21 is fixedly connected with a rotating arc 14, the right side surface of the first fixing plate 4 is provided with a rotating arc groove 10, the inner side surface of the rotating arc groove 10 is matched with the outer surface of the rotating arc 14, and through the setting of the rotating arc 14, when needs weld, carry out preliminary fixed with fixed plate 4 and fixed plate two 5 through set screw 7 to with 14 joints of rotatory arc in the inboard of rotatory arc groove 10, thereby can make this steel pipe more than two or two when the welding, make its welded more stable, and carry out the removal of welding machine through manual promotion dead lever 19, thereby the welding is more level and more smooth.

The theory of operation, when this steel pipe needs the welding, fix plate two 5 and fixed plate 4 preliminary fixation through fixed screw 7, and insert the inboard in rotatory arc groove 10 with the surface of rotatory arc 14, manual rotatory dead lever 19 makes both sides weld ring 11 hug closely, weld through the welding machine, treat after the welding, tighten fixed screw 7 again and fix fixed plate two 5 and fixed plate one 4, and make fixed screw hole 6 and extension pipe 9 fix, and peg graft in sealed inboard of filling up 13 through extrusion ring 8, thereby can improve the device's leakproofness, thereby can make this steel pipe when using, through the fixed of fixed plate two 5 and fixed plate one 4, make better fixing together of this steel pipe more than two or two, thereby the live time of this steel pipe has been prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.

Claims

1. The utility model provides a stainless steel hybrid welding steel pipe, includes outer tube (1) and inner tube (2), its characterized in that: the internal surface of outer tube (1) cup joints with the external fixed surface of inner tube (2), tooth's socket (3) have all been seted up at both ends about outer tube (1) surface, both ends about the surface of tooth's socket (3) threaded connection respectively has fixed plate (4) and fixed plate two (5), fixed screw hole (6) have all been seted up to the surface of fixed plate one (4) and fixed plate two (5), the right side the medial surface threaded connection of fixed screw hole (6) has fixed screw (7), the top fixedly connected with extension pipe (9) of fixed plate two (5), fixed annular (15) and connecting rod groove have been seted up to the surface of extension pipe (9), solid fixed ring (16) has been cup jointed in the inside activity of fixed annular (15), the external fixed surface of solid fixed ring (16) is connected with connecting rod one (17), the output of connecting rod one (17) extends to the lateral surface of extension pipe (9) through connecting rod groove, the top of the output end of the first connecting rod (17) is provided with a first adjusting rod groove, the inside of the first adjusting rod groove is fixedly connected with a first fixing column (18), the outer surface of the first fixing column (18) is movably sleeved with a fixing rod (19), the outer surface of the output end of the other end of the fixing rod (19) is movably sleeved with a second connecting rod (21), the top of the second connecting rod (21) is provided with a second adjusting rod groove, the inside of the second adjusting rod groove is fixedly connected with a second fixing column (20), the outer surface of the second fixing column (20) is movably sleeved with the right output end of the fixing rod (19), and the bottom output end of the second connecting rod (21) is fixedly connected with a rotating arc (14).

2. The stainless steel composite welded steel pipe of claim 1, characterized in that: the fixed screw (7) is matched with the inner surface of the left fixed screw hole (6).

3. The stainless steel composite welded steel pipe of claim 1, characterized in that: extrusion annular (12) have been seted up to the left surface of fixed plate (4), sealed pad (13) of medial surface fixedly connected with of extrusion annular (12), the right flank fixedly connected with extrusion ring (8) of fixed plate two (5), the medial surface looks adaptation of extrusion ring (8) and sealed pad (13).

4. The stainless steel composite welded steel pipe of claim 1, characterized in that: the right side surface of the first fixed plate (4) is provided with a rotating arc groove (10), and the inner side surface of the rotating arc groove (10) is matched with the outer surface of a rotating arc (14).

5. The stainless steel composite welded steel pipe of claim 1, characterized in that: the right side of the inner side face of the extension pipe (9) is matched with the outer surface of the first fixing plate (4), and the right side of the inner side face of the extension pipe (9) is in threaded connection with the outer surface of the first fixing plate (4).

6. The stainless steel composite welded steel pipe of claim 1, characterized in that: the outer surfaces of the left end and the right end of the outer pipe (1) and the inner pipe (2) are fixedly connected with welding rings (11).