CN206723624U

CN206723624U - A kind of precsion welded pipe

Info

Publication number: CN206723624U
Application number: CN201720417419.6U
Authority: CN
Inventors: 倪宋
Original assignee: Jiangsu Iron Steel Pipe Co Ltd
Current assignee: Jiangsu Hongyi Precision Industry Co ltd
Priority date: 2017-04-20
Filing date: 2017-04-20
Publication date: 2017-12-08
Anticipated expiration: 2027-04-20

Abstract

The utility model discloses a kind of precsion welded pipe, including inner layer steel pipe, steel pipe main body, adiabator layer, outer layer pipe, birdsmouth and socket, the steel pipe main body includes the inner layer steel pipe and the outer layer pipe, and the inner layer steel pipe is placed in the outer layer pipe internal layer, adiabator layer is respectively arranged with the outer layer pipe and the inner layer steel pipe, air layer, pass through the setting of adiabator layer, insulation insulation is carried out for the liquid in steel pipe main body so as to prevent material cooling too fast, pass through the setting of pressure-resistant plate and air layer, the principle expanded with heat and contract with cold according to liquid, there is air layer when liquid is swollen as protection, so as to realize explosion prevention function, pass through the setting of birdsmouth and socket, it is easy to whole steel pipe to carry out gapless welding, the utility model is simple in construction and reasonable in design, more hommization, it is adapted to promote the use of.

Description

A kind of precsion welded pipe

Technical field

A kind of welded still pipe is the utility model is related to, more particularly, to a kind of precsion welded pipe.

Background technology

Precision tube is a kind of a kind of high-accuracy tube material by after cold-drawn or hot rolling treatment；Due to precision tube Inside and outside wall non-oxidation layer, bear indeformable high-pressure non-leakage, high accuracy, best bright finish, clod wash, enlarging, to flatten free from flaw etc. excellent Point, so being mainly used to produce the product of pneumatically or hydraulically element, such as cylinder or oil cylinder, it can be seamless pipe, also there is welding Pipe；Precision tube high dimensional accuracy is high, pipe surfaces externally and internally finish, the equal No oxided film of surfaces externally and internally after steel pipe heat treatment, steel pipe Enlarging, flattening is flawless, clod wash is indeformable, and can bear high pressure, can make various complex deformations and mechanical deep processing processing；It is accurate Steel pipe be widely used in automobile, motorcycle, electric car, petrochemical industry, electric power, ship, space flight, bearing, pneumatic element, middle low-pressure boiler without The categories such as steel pipe are stitched, are equally applicable to the fields such as reinforced bar sleeve, bearing, hydraulic pressure, machining；The production procedure of precision tube and Common seamless pipe is the same, and the program for being exactly more the last pickling and cold-rolling in road, precision tube technological process includes pipe-inspection Test-peeling-inspection-heating-perforation-acid wash passivation-reconditioning-lubrication air-dries-cold rolling-and deoils-crop-inspection Test-identify-step such as finished product packing.

Welded still pipe refers to that be welded into again after being deformed into the shape such as circular, square with steel band or steel plate bending, surface has The steel pipe of seam, the blank that welded still pipe uses is steel plate or strip, can be divided into electric arc welded tube, high frequency by welding method difference Or low-frequency resistance welded tube, gas welded pipe, the continuous furnace welding of tube, Bundy tube etc.；It can be divided into electric arc welded tube, high frequency or low frequency by welding method difference Resistance weld pipe, gas welded pipe, the continuous furnace welding of tube, Bundy tube etc..

Utility model content

The technical problems to be solved in the utility model is on the basis of welded still pipe application, is provided for automobile steel pipe fittings A kind of miscellaneous function, a kind of precsion welded pipe is designed, so as to solve the above problems.

To achieve the above object, the utility model provides following technical scheme：

A kind of precsion welded pipe of the utility model, including inner layer steel pipe, steel pipe main body, adiabator layer, outer layer pipe, Birdsmouth and socket, the steel pipe main body includes the inner layer steel pipe and the outer layer pipe, and the inner layer steel pipe is placed in institute Outer layer pipe internal layer is stated, adiabator layer, air layer are respectively arranged with the outer layer pipe and the inner layer steel pipe.

As a kind of optimal technical scheme of the present utility model, the adiabator layer is located at the air layer outer layer.

As a kind of optimal technical scheme of the present utility model, the adiabator layer and the air layer pass through pressure-resistant plate Connection.

As a kind of optimal technical scheme of the present utility model, the joint of the steel pipe main body is arranged to birdsmouth formula and connect Head.

As a kind of optimal technical scheme of the present utility model, another joint of the steel pipe main body is arranged to socket type and connect Head.

As a kind of optimal technical scheme of the present utility model, the birdsmouth and the socket are to be cross-linked.

Compared with prior art, the beneficial effects of the utility model are：This kind of precsion welded pipe, passes through adiabator layer Setting, carry out insulation insulation so as to prevent material cooling too fast for the liquid in steel pipe main body, pass through pressure-resistant plate and air layer Setting, the principle expanded with heat and contract with cold according to liquid, have when liquid is swollen air layer as protection, so as to realize explosion prevention function, By the setting of birdsmouth and socket, it is easy to whole steel pipe to carry out gapless welding, the utility model is simple in construction and design is closed Reason, more hommization, is adapted to promote the use of.

Brief description of the drawings

Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：

Fig. 1 is cross section structure schematic diagram of the present utility model；

Fig. 2 is birdsmouth structural representation of the present utility model；

Fig. 3 is outlet structure schematic diagram of the present utility model；

In figure：1st, pressure-resistant plate；2nd, inner layer steel pipe；3rd, steel pipe main body；4th, adiabator layer；5th, outer layer pipe；6th, birdsmouth； 7th, socket；8th, air layer.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment only case is only the utility model part of the embodiment, rather than all Embodiment, based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belong to the scope of the utility model protection.

Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of precsion welded pipe, including inner layer steel pipe 2nd, steel pipe main body 3, adiabator layer 4, outer layer pipe 5, birdsmouth 6 and socket 7, steel pipe main body 3 include inner layer steel pipe 2 and outer layer Steel pipe 5, and inner layer steel pipe 2 is placed in the internal layer of outer layer pipe 5, and adiabator layer is respectively arranged with outer layer pipe 5 and inner layer steel pipe 2 4th, air layer 8, the function of insulation and protection steel pipe is realized respectively.

Adiabator layer 4 is located at the outer layer of air layer 8, and adiabator layer 4 and air layer 8 are connected by pressure-resistant plate 1, steel pipe master The joint of body 3 is arranged to the formula joint of birdsmouth 6, and another joint of steel pipe main body 3 is arranged to the formula joint of socket 7, birdsmouth 6 and inserts Mouth 7 is easy to whole steel pipe to carry out gapless welding to be cross-linked.

Concrete principle：Using this kind of precsion welded pipe, user is right using birdsmouth 6 and socket 7 according to being actually needed Steel pipe main body 3 and device are welded, and can be used after welding dry mouth is waited after welding.

This kind of precsion welded pipe, by the setting of adiabator layer 4, for the liquid in steel pipe main body 3 be incubated from And prevent that material cooling is too fast, by the setting of pressure-resistant plate 1 and air layer 8, the principle expanded with heat and contract with cold according to liquid, sent out in liquid There is air layer when swollen as protection, so as to realize explosion prevention function, by the setting of birdsmouth 6 and socket 7, be easy to whole steel pipe to enter Row gapless welds, and the utility model is simple in construction and reasonable in design, more hommization, is adapted to promote the use of.

Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic Progress equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., It should be included within the scope of protection of the utility model.

Claims

1. a kind of precsion welded pipe, including inner layer steel pipe（2）, steel pipe main body（3）, adiabator layer（4）, outer layer pipe（5）、 Birdsmouth（6）And socket（7）, it is characterised in that the steel pipe main body（3）Including the inner layer steel pipe（2）With the outer layer steel Pipe（5）, and the inner layer steel pipe（2）It is placed in the outer layer pipe（5）Internal layer, the outer layer pipe（5）With the inner layer steel pipe （2）Inside it is respectively arranged with adiabator layer（4）, air layer（8）.

A kind of 2. precsion welded pipe according to claim 1, it is characterised in that the adiabator layer（4）Positioned at institute State air layer（8）Outer layer.

A kind of 3. precsion welded pipe according to claim 1, it is characterised in that the adiabator layer（4）With it is described Air layer（8）Pass through pressure-resistant plate（1）Connection.

A kind of 4. precsion welded pipe according to claim 1, it is characterised in that the steel pipe main body（3）Joint set It is set to birdsmouth（6）Formula joint.

A kind of 5. precsion welded pipe according to claim 4, it is characterised in that the steel pipe main body（3）Another connect Head is arranged to socket（7）Formula joint.

A kind of 6. precsion welded pipe according to claim 5, it is characterised in that the birdsmouth（6）With the socket （7）To be cross-linked.