CN214662839U

CN214662839U - Large bent pipe

Info

Publication number: CN214662839U
Application number: CN202120864363.5U
Authority: CN
Inventors: 王佳俊; 王晓桐
Original assignee: Wenzhou Longwan Yongxing Stone Valve Factory
Current assignee: Wenzhou Longwan Yongxing Stone Valve Factory
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-09
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a big return bend, including the big return bend of stainless steel, first mouth groove, internal thread and second mouth groove, one side of the big return bend of stainless steel is provided with first mouth groove, the opposite side of the big return bend of stainless steel is provided with second mouth groove, install additional strengthening on the inside wall of the big return bend of stainless steel, and additional strengthening include guard plate, lower guard plate and inner interlayer, inner interlayer fixed connection is on the inside wall of the big return bend of stainless steel, it connects the top at the inner interlayer inside wall to go up guard plate fixed connection. The utility model discloses an install additional strengthening on the inside wall of the big return bend of stainless steel, be provided with the inner interlayer rather than even laminating at the inside wall of the big return bend of stainless steel, make its use quality more stable, and the both ends of inner interlayer inside wall are installed respectively and are gone up guard plate and guard plate down, can carry out thickening treatment to the turn of the big return bend of stainless steel, make the difficult emergence of its turn atress reduce, use protecting effect better, use more durable.

Description

Large bent pipe

Technical Field

The utility model relates to a big return bend technical field specifically is a big return bend.

Background

Big return bend adopts complete set bending apparatus to bend, and the totality processing divide into two kinds of technologies of cold roasting and hot push away, and most of machine equipment and pipeline etc. all can use the return bend to connect, mainly used oil transportation, gas transmission, the infusion, fields such as engineering bridge construction, big return bend can splice fixedly between the pipeline, its material divide into plastic return bend and stainless steel return bend, the firm big return bend that protecting effect is good of inner structure when needs one kind to use now, but there are many problems or defects in current big return bend:

1. when the traditional large bent pipe is used, the bent part of the traditional large bent pipe is easy to damage after long-term use, and the protection thickening effect of the bent pair is not good;

2. when the traditional large bent pipe is used, a gap exists at the interface after the large bent pipe is in threaded connection, the connection is not firm enough, and the butt joint sealing effect is not good;

3. when the traditional large elbow is used, the whole anti-corrosion effect is poor, and the traditional large elbow is easy to be oxidized and corroded by external air.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big return bend to the department of buckling that proposes in solving above-mentioned background art uses the problem that easily produces the damage, uses to connect firmly inadequately for a long time, and the sealed effect of butt joint is not good and the use easily receives the oxidation corrosion of outside air.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a big return bend, includes the big return bend of stainless steel, first mouth groove, internal thread and second mouth groove, one side of the big return bend of stainless steel is provided with first mouth groove, the opposite side of the big return bend of stainless steel is provided with second mouth groove, install additional strengthening on the inside wall of the big return bend of stainless steel, and additional strengthening includes guard plate, lower guard plate and interior interlayer, interior interlayer fixed connection is on the inside wall of the big return bend of stainless steel, go up the top of guard plate fixed connection at interior interlayer inside wall, guard plate fixed connection is in the bottom of interior interlayer inside wall down.

Preferably, the outer side wall of the stainless steel large elbow is provided with an electroplated nickel layer which is uniformly distributed and smeared on the outer side wall of the stainless steel large elbow.

Preferably, the inner side walls of the first opening groove and the second opening groove are provided with internal threads, and the internal threads are uniformly distributed on the inner side walls of the first opening groove and the second opening groove.

Preferably, the butt joint notch is all installed to the inside in first mouthful of groove and second mouthful of groove, and is provided with the abrasionproof and decreases the granule on the inside wall in butt joint notch, the abrasionproof decreases the granule and is evenly distributed on the inside wall in butt joint notch.

Preferably, the inner side wall of the inner interlayer is provided with a zinc coating, and the zinc coating is uniformly distributed on the inner side wall of the inner interlayer.

Preferably, the inner interlayer is firmly attached to the inner wall of the stainless steel large elbow, and the upper protection plate and the lower protection plate are arc-shaped and can be attached to the inner wall of the inner interlayer.

Compared with the prior art, the beneficial effects of the utility model are that: this big return bend is rational in infrastructure, has following advantage:

(1) the reinforced structure is arranged on the inner side wall of the large stainless steel elbow, the inner side wall of the large stainless steel elbow is provided with the inner interlayer which is uniformly attached to the inner side wall of the large stainless steel elbow, so that the using quality of the large stainless steel elbow is more stable, and the upper protection plate and the lower protection plate are respectively arranged at two ends of the inner side wall of the inner interlayer, so that the bent part of the large stainless steel elbow can be thickened, the stress of the bent part is not easy to break, the using and protecting effect is better, and the large stainless steel elbow is more durable in use;

(2) the butt joint notches are formed in the first notch and the second notch, and the inner side walls of the butt joint notches are provided with the anti-abrasion particles which are uniformly distributed, so that the insertion block arranged on the end opening of the butt joint pipe body can be inserted into the butt joint notches during butt joint, the friction force is increased through the arrangement of the anti-abrasion particles, the butt joint is firmer, and the butt joint sealing effect is better;

(3) the outer side wall of the stainless steel large elbow is provided with the electroplated nickel layer which is uniformly distributed, the stability of the electroplated nickel layer in the air is very high, the protective film can be formed on the outer side wall of the stainless steel large elbow, the protective film can effectively resist acid-base corrosion generated by external air, the antioxidant effect of the protective film is better, the inner side wall of the inner interlayer is provided with the galvanized coating which is uniformly distributed, and the galvanized coating is matched with the electroplated nickel layer to prolong the whole service life of the stainless steel large elbow.

Drawings

Fig. 1 is a schematic front view of the three-dimensional structure of the present invention;

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic diagram of an oblique side view of the three-dimensional structure of the present invention;

fig. 4 is a schematic front view of the structure of the present invention.

In the figure: 1. a stainless steel large elbow; 2. a first mouth groove; 3. a zinc plating coating; 4. anti-wear particles; 5. a notch is butted; 6. an internal thread; 7. a second mouth groove; 8. electroplating a nickel layer; 9. a reinforcing structure; 901. an upper protection plate; 902. a lower guard plate; 903. and an inner interlayer.

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. 1-4, the present invention provides an embodiment: a large elbow comprises a stainless steel large elbow 1, a first opening groove 2, an internal thread 6 and a second opening groove 7, wherein the first opening groove 2 is formed in one side of the stainless steel large elbow 1, the internal thread 6 is formed in the inner side walls of the first opening groove 2 and the second opening groove 7, and the internal thread 6 is uniformly distributed on the inner side walls of the first opening groove 2 and the second opening groove 7 in an arranging mode, so that the large elbow can be in threaded connection, the butt joint installation is firmer and more convenient, and the butt joint disassembly is more convenient;

the butt joint notches 5 are respectively arranged inside the first notch 2 and the second notch 7, anti-abrasion particles 4 are arranged on the inner side walls of the butt joint notches 5, the anti-abrasion particles 4 are uniformly distributed on the inner side walls of the butt joint notches 5, the butt joint notches 5 are arranged inside the first notch 2 and the second notch 7, the anti-abrasion particles 4 are uniformly distributed on the inner side walls of the butt joint notches 5, an insertion block arranged on a port of a butt joint pipe body can be inserted into the butt joint notches 5 during butt joint, the butt joint of the butt joint pipe body is limited, friction is increased through the arrangement of the anti-abrasion particles 4, the butt joint of the butt joint pipe body is firmer, and the butt joint sealing effect is better;

the other side of the stainless steel large bent pipe 1 is provided with a second mouth groove 7, the outer side wall of the stainless steel large bent pipe 1 is provided with an electroplated nickel layer 8, the electroplated nickel layer 8 is uniformly distributed and coated on the outer side wall of the stainless steel large bent pipe 1, the electroplated nickel layer 8 has high stability in air, and a protective film can be formed on the outer side wall of the stainless steel large bent pipe 1, so that the protective film can effectively resist acid-base corrosion generated by external air, and the oxidation resistance effect of the protective film is better;

a reinforcing structure 9 is arranged on the inner side wall of the stainless steel large elbow pipe 1, the reinforcing structure 9 comprises an upper protection plate 901, a lower protection plate 902 and an inner partition 903, the inner partition 903 is fixedly connected to the inner side wall of the stainless steel large elbow pipe 1, the upper protection plate 901 is fixedly connected to the top end of the inner side wall of the inner partition 903, and the lower protection plate 902 is fixedly connected to the bottom end of the inner side wall of the inner partition 903;

the inner side wall of the inner partition 903 is provided with a zinc-plated coating 3, the zinc-plated coatings 3 are uniformly distributed on the inner side wall of the inner partition 903, and the zinc-plated coatings and the nickel-plated coating 8 are matched to prolong the service life of the whole stainless steel large elbow 1;

the inner partition 903 is firmly attached to the inner wall of the stainless steel large elbow 1, and the upper protection plate 901 and the lower protection plate 902 are arc-shaped and can be attached to the inner wall of the inner partition 903;

specifically, as shown in fig. 2, during the use, through installing additional strengthening 9 on the inside wall at the big return bend of stainless steel 1, be provided with the inner compartment 903 rather than even laminating at the inside wall of the big return bend of stainless steel 1, it is more stable to make its service life, and the both ends of inner compartment 903 inside wall are installed respectively and are protected 901 and lower guard plate 902, can carry out thickening to the turn of the big return bend of stainless steel 1, make its turn atress difficult emergence and lose, use the guard effect better, it is more durable to use.

The working principle is as follows: when the large stainless steel elbow pipe 1 is used, the large stainless steel elbow pipe 1 and a pipe orifice to be butted are butted and mounted, and the connection and wrapping process of a corner is completed, firstly, the reinforcing structure 9 is mounted on the inner side wall of the large stainless steel elbow pipe 1, the inner side wall of the large stainless steel elbow pipe 1 is provided with the inner interlayer 903 which is uniformly attached to the inner side wall of the large stainless steel elbow pipe 1, so that the use quality of the large stainless steel elbow pipe is more stable, the two ends of the inner side wall of the inner interlayer 903 are respectively provided with the upper protection plate 901 and the lower protection plate 902, the bent part of the large stainless steel elbow pipe 1 can be thickened, the stress of the bent part is not easy to break, the use protection effect is better, and the use is more durable;

secondly, the butt joint notches 5 are formed in the first notch 2 and the second notch 7, and the anti-abrasion particles 4 are uniformly distributed on the inner side walls of the butt joint notches 5, so that the insertion blocks arranged on the end ports of the butt joint pipe bodies can be inserted into the butt joint notches 5 in a butt joint process, the butt joint of the pipe bodies is limited, the friction force is increased through the arrangement of the anti-abrasion particles 4, the butt joint is firmer, and the butt joint sealing effect is better;

finally, through being provided with evenly distributed's nickel electroplating layer 8 on the lateral wall of the big return bend of stainless steel 1, and nickel electroplating layer 8 is very high in the stability in the air, can form one deck protection film on the lateral wall of the big return bend of stainless steel 1, makes it effectively resist the acid-base corrosion that external air produced, makes its anti-oxidant effect better, and is provided with evenly distributed's zinc-plated coating 3 on the inside wall of inner interlayer 903, makes it and nickel electroplating layer 8 cooperation extension big return bend of stainless steel 1 whole life.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Big return bend, including big return bend of stainless steel (1), first mouth groove (2), internal thread (6) and second mouth groove (7), its characterized in that: one side of the large stainless steel elbow pipe (1) is provided with a first opening groove (2), the other side of the large stainless steel elbow pipe (1) is provided with a second opening groove (7), a reinforcing structure (9) is installed on the inner side wall of the large stainless steel elbow pipe (1), the reinforcing structure (9) comprises an upper protection plate (901), a lower protection plate (902) and an inner partition layer (903), the inner partition layer (903) is fixedly connected to the inner side wall of the large stainless steel elbow pipe (1), the upper protection plate (901) is fixedly connected to the top end of the inner side wall of the inner partition layer (903), and the lower protection plate (902) is fixedly connected to the bottom end of the inner side wall of the inner partition layer (903).

2. The large elbow according to claim 1, wherein: the outer side wall of the stainless steel large elbow pipe (1) is provided with an electroplated nickel layer (8), and the electroplated nickel layer (8) is uniformly distributed and smeared on the outer side wall of the stainless steel large elbow pipe (1).

3. The large elbow according to claim 1, wherein: the inner side walls of the first opening groove (2) and the second opening groove (7) are provided with internal threads (6), and the internal threads (6) are uniformly distributed on the inner side walls of the first opening groove (2) and the second opening groove (7).

4. The large elbow according to claim 1, wherein: butt joint notch (5) are all installed to the inside in first mouthful groove (2) and second mouthful groove (7), and are provided with abrasionproof on the inside wall of butt joint notch (5) and decrease granule (4), abrasionproof decreases granule (4) and is evenly distributed on the inside wall of butt joint notch (5).

5. The large elbow according to claim 1, wherein: the inner side wall of the inner interlayer (903) is provided with a zinc coating (3), and the zinc coating (3) is uniformly distributed on the inner side wall of the inner interlayer (903).

6. The large elbow according to claim 1, wherein: the inner partition layer (903) is firmly attached to the inner wall of the stainless steel large elbow (1), and the upper protection plate (901) and the lower protection plate (902) are arc-shaped and can be attached to the inner wall of the inner partition layer (903).