CN210004007U

CN210004007U - kinds of corrosion-resistant and impact-resistant elbow pipe

Info

Publication number: CN210004007U
Application number: CN201920625495.5U
Authority: CN
Inventors: 万胜亨
Original assignee: Zhejiang Shield Refrigeration Ltd By Share Ltd
Current assignee: Zhejiang Shield Refrigeration Ltd By Share Ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-01-31
Anticipated expiration: 2029-05-05

Abstract

The utility model relates to an corrosion-resistant return bend that shocks resistance, including the return bend body, the flexion outside of return bend body runs through the welding and has the buffer tube, the spout has been seted up to the buffer tube inner wall, sliding connection has the buffer board in the spout, the buffer board side is connected with compression spring, compression spring end connection has sealed lid, just sealed threaded connection is in the buffer tube tip outside, return bend body inner wall evenly is connected with wear-resisting strip, just the return bend body has corrosion-resistant layer with the equal coating of the inside and outside wall of buffer tube, the inflow and the outflow port of return bend body are connected with inflow flange and outflow flange respectively, the utility model discloses simple structure, reliable and stable, the connection of being convenient for has good wear-resisting, corrosion-resistant and shock resistance, can effectively cushion liquid's impact force, satisfies the transportation demand that bears the delivery pressure is higher or the velocity of flow is faster, through the structural.

Description

kinds of corrosion-resistant and impact-resistant elbow pipe

Technical Field

The utility model relates to an return bend technical field specifically is corrosion-resistant return bends that shocks resistance.

Background

The elbow is bent by adopting complete bending equipment and is divided into two processes of cold bending and hot pushing, no matter which machine equipment and pipeline are, most of the elbow is used for oil transportation, gas transportation, liquid transportation, engineering bridge construction and the like, material transportation is carried out through pipeline pressure, a conveying pipe is subjected to large pressure and serious abrasion, the existing elbow made of single material is low in overall strength, poor in abrasion resistance, corrosion resistance, impact resistance and the like, the existing elbow is difficult to bear transportation requirements of high conveying pressure or high flow speed, the existing elbow is difficult to use in a corrosive environment for a long time, abrasion is easy to occur at the joint of the elbow and a to-be-connected piece, the sealing performance is affected, liquid in the elbow flows unstably, the inner wall of the elbow is seriously abraded, the service life is shortened, and therefore, how to design corrosion-resistant and impact-resistant elbows becomes a problem to be solved currently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide corrosion-resistant return bends that shocks resistance, simple structure, reliable and stable is convenient for connect, has good wear-resisting, corrosion-resistant and shock resistance, and the impact force that can effectively cushion liquid satisfies the transportation demand that bears the delivery pressure higher or the velocity of flow is very fast, through the structural design of double-layer tube, the quality is reliable, and the security is high, has promoted life to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

corrosion-resistant elbow pipe that shocks resistance, including the return bend body, the crooked portion outside of return bend body runs through the welding and has the buffer tube, the spout has been seted up to the buffer tube inner wall, sliding connection has the buffer board in the spout, the buffer board side is connected with compression spring, compression spring end connection has sealed lid, just sealed threaded connection is in the buffer tube tip outside, return bend body inner wall evenly is connected with wear-resisting strip, just the return bend body has corrosion-resistant layer with the interior lateral wall of buffer tube all coating, the inflow and the outflow port of return bend body are connected with inflow flange and outflow flange respectively, just inflow flange sets up with buffer tube mutually perpendicular, the inflow flange all is connected with the buffer ring with outflow flange inboard, just the embedded groove has all been seted up with outflow flange tip to the inflow flange, the embedded groove inboard is connected with sealed the pad, just sealed pad cover connection is in.

, the bend of the elbow body is a quarter arc, the elbow body includes an outer pipe and an inner pipe, the outer pipe and the inner pipe are connected, and the inner pipe is tightly sleeved on the inner side of the outer pipe.

, the buffer tube flows in the same direction as the elbow body and is smoothly joined to the inner wall of the elbow body.

, the buffer plate is in a disc shape, the edge of the buffer plate is wrapped with a sealing ring, and the sealing ring is connected to the inner wall of the sliding groove in a sliding manner.

, the end face of the wear strip is semi-circular and the wear strip is flush with the end of the elbow body.

, the corrosion-resistant layer is a fusion bonding epoxy powder coating layer and is coated on the outer surface of the wear-resistant strip.

, the thickness of the cushion ring is greater than the thickness of the wear strips.

Compared with the prior art, the beneficial effects of the utility model are that this kind of corrosion-resistant return bend that shocks resistance, moreover, the steam generator is simple in structure, and is stable and reliable, be convenient for connect, good wear-resisting has, corrosion-resistant and shock resistance, can effectively cushion the impact force of liquid, satisfy and bear the higher or faster transportation demand of velocity of flow of delivery pressure, structural design through the double-layer tube, the quality is reliable, high in safety, service life has been promoted, setting through wear-resisting strip, wear-resisting has, the water conservancy diversion effect, make the liquid flow evenly stable, the inside wear resistance of return bend has been promoted, through all being equipped with corrosion-resistant layer at return bend main part inside and outside wall, stronger corrosion resistance has, can realize wear-resisting corrosion-resistant for a long time, through the setting of sealed pad, the leakproofness of junction has been improved, be equipped with the cushion ring through the flange inboard, can protect the return bend main part and treat that the connecting piece junction is difficult for impaired, make the flow stability of junction, setting through the buffer tube, the impact force that can effectively cushion the liquid, the resistance to compression.

Drawings

The accompanying drawings are included to provide a further understanding of the invention at , and are incorporated in and constitute a part of this specification at , which together with the detailed description of the invention at serve to explain the invention and are not intended to limit the invention.

Fig. 1 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the overall three-dimensional structure of the present invention;

fig. 3 is a schematic cross-sectional structure view of the end of the elbow body of the present invention;

FIG. 4 is a schematic view of a buffer tube end construction of the present invention;

reference numbers in the figures: 1. a bent pipe body; 2. a buffer tube; 3. a chute; 4. a buffer plate; 5. a compression spring; 6. a sealing cover; 7. wear resistant strips; 8. a corrosion-resistant layer; 9. an inflow flange; 10. an outflow flange; 11. a buffer ring; 12. a groove is embedded; 13. a gasket; 14. an outer tube; 15. an inner layer tube; 16. and (5) sealing rings.

Detailed Description

The embodiments of the present invention will be described with reference to the accompanying drawings, and it should be understood that the embodiments described herein are merely for purposes of illustration and explanation and are not intended to limit the invention.

As shown in fig. 1-4, the utility model provides technical schemes corrosion-resistant shock-resistant return bends, including return bend body 1, the outside of the bending portion of return bend body 1 runs through the welding and has buffer tube 2, has strengthened the resistance to compression shock resistance of the bending portion of return bend body 1, spout 3 has been seted up to buffer tube 2 inner wall, sliding connection has buffer plate 4 in the spout 3, buffer plate 4 side is connected with compression spring 5, through the effect of compression spring 5, can effectively cushion the impact force of liquid, compression spring 5 end connection has sealed lid 6, just sealed lid 6 threaded connection is in the buffer tube 2 tip outside, return bend body 1 inner wall evenly is connected with wear-resisting strip 7, has wear-resisting, water conservancy diversion effect for the liquid flow is even stable, just return bend body 1 and the interior outer wall of 2 all scribble corrosion-resistant cover and have corrosion-resistant layer 8, has stronger corrosion resistance, return bend body 1's inflow and outflow port are connected with inflow flange 9 and outflow flange 10 respectively, just inflow flange 9 and buffer tube 2 mutually perpendicular setting is convenient for connection installation, inflow flange 9 and outflow flange 10 inboard all are connected with buffering ring 11, reduce the liquid impact of junction and outflow flange 12 and the sealed end connection has been seted up and the sealed 12 of the sealed inboard of the inflow flange 12 and has been connected with the inflow flange and has improved the sealed inboard the sealed.

More specifically, the flexion of return bend body 1 is that quarter is circular-arc, return bend body 1 includes outer pipe 14 and inlayer pipe 15, just the inseparable suit of inlayer pipe 15 is inboard at outer pipe 14, and through the structural design of double-layer tube, the quality is reliable, and the security is high, has promoted life, buffer tube 2 is the same with return bend body 1's inflow direction, just buffer tube 2 and return bend body 1's inner wall smooth connection for intraductal liquid steadily flows into buffer tube 2, buffer plate 4 is disc shape, buffer plate 4 edge cladding has sealing washer 16, just sealing washer 16 sliding connection is at spout 3 inner wall, avoids liquid to ooze from buffer tube 2, the terminal surface of wear-resisting strip 7 is semicircle face shape, just wear-resisting strip 7 flushes with return bend body 1 tip, has promoted the inside wearability of return bend, corrosion-resisting layer 8 is established to melt and combines the epoxy powder coating layer, and corrosion-resisting layer 8 cladding is on 7 outside surface, has stronger corrosion resistance, can realize wear-resisting for a long-resisting, the thickness of buffer ring 11 is greater than the stable outflow thickness of wear-resisting strip.

The utility model discloses improve in: the corrosion-resistant impact-resistant elbow pipe has the advantages that when the corrosion-resistant impact-resistant elbow pipe is used, the integral strength of the elbow pipe is improved by designing a double-layer pipe structure consisting of an outer layer pipe 14 and an inner layer pipe 15 of the elbow pipe body 1, the quality is reliable, the safety is high, the service life is prolonged, wear-resistant strips 7 are uniformly distributed on the inner wall of the elbow pipe body 1, the wear-resistant and flow-guiding effects are realized, liquid flows uniformly and stably, the wear-resistant performance inside the elbow pipe is improved, the corrosion-resistant layers 8 are arranged on the inner wall and the outer wall of the elbow pipe body 1, the corrosion-resistant and wear-resistant performance can be realized for a long time, the sealing performance of a joint is improved by arranging the sealing gasket 13 on the end face of the flange, the buffer ring 11 is arranged on the inner side of the flange, the joint of the elbow pipe body 1 and a to-, the pressure resistance and the impact resistance of the bent part of the elbow are enhanced, so that the liquid flow is more stable.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments described above, or equivalent substitutions and improvements can be made to some of the technical features of the embodiments described above.

Claims

The utility model provides an corrosion-resistant shock resistance return bend of , including return bend body (1), its characterized in that the flexion outside of return bend body (1) runs through the welding and has buffer tube (2), spout (3) have been seted up to buffer tube (2) inner wall, sliding connection has buffer board (4) in spout (3), buffer board (4) side is connected with compression spring (5), compression spring (5) end connection has sealed lid (6), just sealed lid (6) threaded connection is in the buffer tube (2) tip outside, return bend body (1) inner wall evenly is connected with wear strip (7), just return bend body (1) and the interior outer wall of buffer tube (2) all coat and have corrosion-resistant layer (8), the inflow and the outflow port of return bend body (1) are connected with inflow flange (9) and outflow flange (10) respectively, just inflow flange (9) and buffer tube (2) mutually perpendicular set up, inflow flange (9) and outflow flange (10) inboard all are connected with buffer ring (11), just inflow flange (9) and outflow flange (10) tip have all seted up embedded groove (12), embedded groove (12) and outflow flange (13) inboard sealed the sealed pad (13) of covering of flowing in the inflow flange (13) and the inflow flange (13) end portion.
2. The kinds of corrosion-resistant and impact-resistant elbow pipe of claim 1, wherein the elbow body (1) has a curved portion of arc, the elbow body (1) comprises an outer pipe (14) and an inner pipe (15), the outer pipe (14) and the inner pipe (15) are closely sleeved on the inner side of the outer pipe (14), and the inner pipe (15) is tightly sleeved on the inner side of the outer pipe (14).
3. The kinds of corrosion-resistant and impact-resistant elbow pipe of claim 1, wherein the inflow direction of the buffer tube (2) and the elbow body (1) is the same, and the buffer tube (2) is smoothly connected with the inner wall of the elbow body (1).
4. The kinds of corrosion-resistant and impact-resistant elbow pipe of claim 1, wherein the buffer plate (4) is in a shape of a disk, the edge of the buffer plate (4) is wrapped with a sealing ring (16), and the sealing ring (16) is slidably connected to the inner wall of the chute (3).
5. The kinds of corrosion-resistant and impact-resistant elbow pipe of claim 1, wherein the end face of the wear-resistant strip (7) is in the shape of a semi-circular circle, and the wear-resistant strip (7) is flush with the end of the elbow pipe body (1).
6. The kinds of corrosion-resistant and impact-resistant elbow pipe of claim 1, wherein the corrosion-resistant layer (8) is a fusion bonding epoxy powder coating layer, and the corrosion-resistant layer (8) is coated on the outer surface of the wear-resistant strip (7).
7. kinds of corrosion-resistant and impact-resistant elbow pipe according to claim 1, wherein the thickness of the buffer ring (11) is larger than that of the wear-resistant strip (7).