CN208442401U - A kind of precision seamless steel tubes - Google Patents

Abstract

The utility model discloses a kind of precision seamless steel tubes, including outer tube, the inner opposite end of the outer tube is fixedly connected with the first buffing pad, the first spring is fixedly connected on the inside of first buffing pad, the other end of first spring is fixedly connected with the first lath, the surface of first lath is slidably connected the inside of the first buffing pad, the other end of first lath is welded with the first half round seats, the outside both ends of the first half round seat are welded with screwed ring, the inside thread of the screwed ring is connected with screw knob, the inside other end of the outer tube is fixedly connected with the second buffing pad, second spring is fixedly connected on the inside of second buffing pad.The precision seamless steel tubes can play the effect of antidetonation buffering to stainless steel tube ontology when in use, while can be improved the service life of stainless steel tube by wearing layer, corrosion-resistant coating and polyethylene film.

Description

A kind of precision seamless steel tubes

Technical field

The utility model relates to precision seamless steel tubes technical field, specially a kind of precision seamless steel tubes.

Background technique

Seamless steel pipe has hollow section, a large amount of pipelines for being used as trandfer fluid, such as transfer oil, natural gas, coal gas and water And pipeline of certain solid materials etc..Steel pipe is compared with the solid steel such as round steel, when bending resistance torsional strength is identical, weight compared with Gently, it is a kind of economic section steel products, is widely used in manufacture structural member and machine components.

When for underground water conveying, steel pipe is usually embedded to underground, if directly exposed be embedded to underground for steel pipe, When used for a long time, pipeline is easy to deform due to the pressure on soil or ground, while underground moisture weight, steel pipe are highly susceptible to Corrosion and damage.

Utility model content

The purpose of this utility model is to provide a kind of precision seamless steel tubes, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions: a kind of precision seamless steel tubes, including outer tube, The inner opposite end of the outer tube is fixedly connected with the first buffing pad, is fixedly connected with the first bullet on the inside of first buffing pad Spring, the other end of first spring are fixedly connected with the first lath, and the surface of first lath is slidably connected the first buffering The inside of seat, the other end of first lath are welded with the first half round seats, and the outside both ends of the first half round seat are welded There is screwed ring, the inside thread of the screwed ring is connected with screw knob, and the inside other end of the outer tube is fixedly connected with Two buffing pads are fixedly connected with second spring on the inside of second buffing pad, and the other end of the second spring is fixedly connected There is the second lath, the surface of second lath is slidably connected the inside of the second buffing pad, the other end weldering of second lath It is connected to the second half round seats, the outside both ends of the second half round seat are welded with threaded block, the other end spiral shell of the screw knob The inside of line connection screw thread seat.

Preferably, it is equipped with stainless steel tube ontology on the inside of the inside of the first half round seat and the second half round seats, it is stainless The outer surface of steel pipe body is covered with polyethylene film, and the outer surface of polyethylene film is covered with oil resistant made of epoxide resin material Layer, the outer surface of resistance to oil reservoir are covered with wearing layer made of polystyrene material, the inside of the first half round seats and the second half round seats Inside wrap up the outer surface of wearing layer.

Preferably, three's thickness of the wearing layer, resistance to oil reservoir and polyethylene film is equal, and is millimeter.

Compared with prior art, the utility model has the beneficial effects that the precision seamless steel tubes, it can be right when in use Stainless steel tube ontology plays the effect of antidetonation buffering, while can be improved by wearing layer, corrosion-resistant coating and polyethylene film The service life of stainless steel tube.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model.

In figure: 1 outer tube, 11 first buffing pads, 12 first springs, 13 first laths, 14 the first half round seats, 15 screwed rings, It is 16 screw knobs, 17 second buffing pads, 18 second springs, 19 second laths, 110 the second half round seats, 111 threaded blocks, 2 wear-resisting Layer, 21 corrosion-resistant coatings, 22 polyethylene films, 23 stainless steel tube ontologies.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.

Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of precision seamless steel tubes, including outer tube 1, outer tube 1 Inner opposite end be fixedly connected with the first buffing pad 11, the inside of the first buffing pad 11 is fixedly connected with the first spring 12, first The other end of spring 12 is fixedly connected with the first lath 13, and the surface of the first lath 13 is slidably connected the interior of the first buffing pad 11 Side, the other end of the first lath 13 are welded with the first half round seats 14, and the outside both ends of the first half round seats 14 are welded with screwed ring 15, the inside thread of screwed ring 15 is connected with screw knob 16, and the inside other end of outer tube 1 is fixedly connected with the second buffing pad 17, the inside of the second buffing pad 17 is fixedly connected with second spring 18, and the other end of second spring 18 is fixedly connected with the second plate Item 19, the surface of the second lath 19 are slidably connected the inside of the second buffing pad 17, and the other end of the second lath 19 is welded with second Half round seat 110, the outside both ends of the second half round seats 110 are welded with threaded block 111, and the other end of screw knob 16 is threadedly coupled The inside of threaded block 111 when being embedded in underground convenient for stainless steel tube ontology 23, is played a resistance to compression to the pressure of soil or ground and is subtracted The effect of shake.

Refering to fig. 1, the inside of the first half round seats 14 and the inside of the second half round seats 110 are equipped with stainless steel tube ontology 23, The outer surface of stainless steel tube ontology 23 is covered with polyethylene film 22, and the outer surface of polyethylene film 22 is covered with epoxide resin material system At corrosion-resistant coating 21, corrosion-resistant coating 21 can for underground moisture and all kinds of oxidation materials be isolated, to prevent Stainless steel tube ontology 23 is covered with polyphenyl by the erosion of moisture and the oxidation corrosion of oxide, the outer surface of corrosion-resistant coating 21 Wearing layer 2 made of vinyl material, wearing layer 2 can play one to stainless steel tube ontology 23 when contacting with other objects Wrap up the outer surface of wearing layer 2 in the inside of antiwear effect, the inside of the first half round seats 14 and the second half round seats 110.

Refering to fig. 1, three's thickness of wearing layer 2, corrosion-resistant coating 21 and polyethylene film 22 is equal, and is 7 millimeters, energy Enough guarantee certain thickness, to guarantee the effect of wear-resistance and anti-corrosion.

When the utility model is specifically implemented: first stainless steel tube ontology 23 is put into when needing pipeline being embedded to underground To the inside of two and half round seats, so that two and half round seats pass through the squeezing effect of corresponding two springs, so that stainless steel tube ontology 23 can be positioned, while two and half round seats can wrap up the outermost wearing layer 2 of stainless steel tube ontology 23, and wearing layer 2 can When contacting with other objects, an antiwear effect is played to stainless steel tube ontology 23, latter two right half round seat has been wrapped up Cheng Hou is threadedly coupled screwed ring 15 and threaded block 111 using screw knob 16, enables screw knob 16 to two and half round seats The effect of a locked and fixed is played, so that gripping to stainless steel tube ontology 23 is completed, it is long in stainless steel tube ontology 23 Phase is in use, corrosion-resistant coating 21 can be isolated for the moisture of underground and all kinds of oxidation materials, to prevent stainless steel Tube body 23 is by the erosion of moisture and the oxidation corrosion of oxide.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (3)

1. a kind of precision seamless steel tubes, including outer tube (1), it is characterised in that: the inner opposite end of the outer tube (1) is fixedly connected with First buffing pad (11) is fixedly connected with the first spring (12) on the inside of first buffing pad (11), first spring (12) the other end is fixedly connected with the first lath (13), and the surface of first lath (13) is slidably connected the first buffing pad (11) inside, the other end of first lath (13) are welded with the first half round seats (14), the first half round seat (14) Outside both ends are welded with screwed ring (15), and the inside thread of the screwed ring (15) is connected with screw knob (16), described outer The inside other end of pipe (1) is fixedly connected with the second buffing pad (17), is fixedly connected on the inside of second buffing pad (17) The other end of second spring (18), the second spring (18) is fixedly connected with the second lath (19), second lath (19) Surface be slidably connected the insides of the second buffing pad (17), the other end of second lath (19) is welded with the second half round seats (110), the outside both ends of the second half round seat (110) are welded with threaded block (111), the screw knob (16) it is another End is threadedly coupled the inside of threaded block (111).

2. a kind of precision seamless steel tubes according to claim 1, it is characterised in that: the inside of the first half round seat (14) It is equipped with stainless steel tube ontology (23) on the inside of the second half round seats (110), the outer surface of stainless steel tube ontology (23) is covered with Polyethylene film (22), the outer surface of polyethylene film (22) are covered with corrosion-resistant coating made of epoxide resin material (21), anticorrosion The outer surface of layer (21) is covered with wearing layer made of polystyrene material (2), the inside of the first half round seats (14) and the second half Wrap up the outer surface of wearing layer (2) in the inside of round seat (110).

3. a kind of precision seamless steel tubes according to claim 2, it is characterised in that: the wearing layer (2), corrosion-resistant coating (21) it is equal with three's thickness of polyethylene film (22), and is 7 millimeters.