CN211550869U

CN211550869U - Stainless steel elbow pipe fitting

Info

Publication number: CN211550869U
Application number: CN202020084375.1U
Authority: CN
Inventors: 项晓东
Original assignee: Shanghai Kester Steel Pipe Group Co ltd
Current assignee: Shanghai Kester Steel Pipe Group Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-09-22
Anticipated expiration: 2030-01-15

Abstract

The utility model discloses a stainless steel elbow pipe fitting, including the elbow pipe fitting body, the elbow pipe fitting body includes the bend section, first straight tube section and second straight tube section, bend section one end and first straight tube section one end intercommunication, the other end of bend section and second straight tube section one end intercommunication, the other end of first straight tube section is provided with first screwed joint, the other end of second straight tube section is provided with second screwed joint, first screwed joint and second screwed joint one end all are provided with the sealing washer, the first straight tube section is close to first screwed joint and second straight tube section one end close to second screwed joint all overlaps and is equipped with fluorescent ring and buffering wear ring; the elbow pipe fitting body is sequentially provided with a stainless steel outer layer, a reinforcing layer, a buffer layer, a stainless steel inner layer and an anti-corrosion inner layer from outside to inside. The anti-corrosion inner layer arranged on the outer side of the stainless steel inner layer improves the anti-corrosion performance of the elbow pipe fitting and prolongs the service life of the elbow pipe fitting.

Description

Stainless steel elbow pipe fitting

Technical Field

The utility model relates to a stainless steel elbow technical field specifically is a stainless steel elbow pipe fitting.

Background

The stainless steel elbow is different from a carbon steel elbow in main material, the chemical components contained in the stainless steel elbow can keep the surface of the elbow from rusting for a long time and cannot be corroded, and the elbow is a pipe fitting for changing the direction of a pipeline in a pipeline system. The existing elbow pipe fitting is used for conveying fluid media, the service life is too long, the elbow pipe fitting is easy to corrode, the joint of a pipeline leaks, and when the connection sealing performance of the pipeline and the elbow pipe fitting is low, the pipeline leakage and the elbow pipe fitting are deformed when external force impacts, and inconvenience is brought to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stainless steel elbow pipe fitting to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a stainless steel elbow pipe fitting comprises an elbow pipe fitting body, wherein the elbow pipe fitting body comprises a bent pipe section, a first straight pipe section and a second straight pipe section, one end of the bent pipe section is communicated with one end of the first straight pipe section, the other end of the bent pipe section is communicated with one end of the second straight pipe section, the other end of the first straight pipe section is provided with a first threaded connector, the other end of the second straight pipe section is provided with a second threaded connector, one ends of the first threaded connector and the second threaded connector are respectively provided with a sealing ring, and one ends of the first straight pipe section, which are close to the first threaded connector, and one ends of the second straight pipe section, which are close to the second threaded connector, are; the elbow pipe fitting body is sequentially provided with a stainless steel outer layer, a reinforcing layer, a buffer layer, a stainless steel inner layer and an anti-corrosion inner layer from outside to inside.

Preferably, one end of the first straight pipe section close to the first threaded connector and one end of the second straight pipe section close to the second threaded connector are both provided with a plurality of connecting convex columns, and one side of the sealing ring is provided with a connecting column hole which is in plug-in fit with the connecting convex columns.

Preferably, first threaded connection head and second threaded connection head one end all are provided with fillet transition portion, and are provided with the external screw thread on first threaded connection head and the second threaded connection head.

Preferably, the elbow section, the first straight pipe section, the second straight pipe section, the first threaded connector and the second threaded connector are of an integrated structure.

Preferably, the width of the buffering wear-resistant ring is larger than that of the fluorescent ring.

Compared with the prior art, the beneficial effects of the utility model are that: through the anticorrosion inlayer that sets up in the stainless steel inlayer outside, the corrosion resistance of this elbow pipe fitting has been improved, prolong its life, buffer layer and enhancement layer that set up between stainless steel inlayer and stainless steel skin, the shock-absorbing capacity and the intensity of this elbow pipe fitting have been improved, the sealing washer that sets up at the both ends of elbow pipe fitting, the sealing performance of junction has been improved, the suit of buffering wear-resisting circle, this elbow pipe fitting direct contact ground etc. has been avoided and has been caused wearing and tearing, play the guard action.

Drawings

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

FIG. 2 is an enlarged view of A in FIG. 1;

fig. 3 is a schematic view of the seal ring of the present invention;

fig. 4 is an enlarged schematic view of B in fig. 3.

In the figure: 1. an elbow pipe fitting body; 2. bending the pipe section; 3. a first straight pipe section; 4. a second straight tube section; 5. a first threaded connector; 6. a second threaded connector; 7. a fillet transition portion; 8. a seal ring; 81. a connecting post hole; 9. a fluorescent ring; 10. buffering the wear-resistant ring; 11. an outer layer of stainless steel; 12. an anti-corrosion inner layer; 13. an inner layer of stainless steel; 14. a buffer layer; 15. a reinforcing layer; 16. is connected with the convex column.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: a stainless steel elbow pipe fitting comprises an elbow pipe fitting body 1, wherein the elbow pipe fitting body 1 comprises a bend pipe section 2, a first straight pipe section 3 and a second straight pipe section 4, one end of the bend pipe section 2 is communicated with one end of the first straight pipe section 3, the other end of the bend pipe section 2 is communicated with one end of the second straight pipe section 4, the other end of the first straight pipe section 3 is provided with a first threaded connector 5, the other end of the second straight pipe section 4 is provided with a second threaded connector 6, one ends of the first threaded connector 5 and the second threaded connector 6 are respectively provided with a sealing ring 8, and one ends of the first straight pipe section 3, which are close to the first threaded connector 5 and the second straight pipe section 4 and are close to the second threaded connector 6, are respectively sleeved with a fluorescent ring 9 and; the elbow pipe fitting body 1 is sequentially provided with the stainless steel outer layer 11, the reinforcing layer 15, the buffer layer 14, the stainless steel inner layer 13 and the anti-corrosion inner layer 12 from outside to inside, the anti-corrosion inner layer 12 arranged on the outer side of the stainless steel inner layer 13 improves the anti-corrosion performance of the elbow pipe fitting and prolongs the service life of the elbow pipe fitting, and the buffer layer 14 and the reinforcing layer 15 arranged between the stainless steel inner layer 13 and the stainless steel outer layer 11 improve the buffer performance and the strength of the elbow pipe fitting.

One end that first straight tube section 3 is close to first threaded connection head 5 and one end that second straight tube section 4 is close to second threaded connection head 6 all are provided with many and connect

projection

16, and 8 one sides of sealing washer be provided with connect 16 grafting complex spliced pole holes 81 of projection, the both ends at this elbow pipe fitting are installed through spliced pole holes 81 and the cooperation of connecting projection 16 to sealing washer 8, connect through threaded connection head when the pipe fitting, have improved the sealing performance of junction.

First threaded

connection head

5 and 6 one ends of second threaded connection head all are provided with fillet transition portion 7, and are provided with the external screw thread on first threaded connection head 5 and the 6 second threaded connection heads, conveniently pass through the threaded connection head with the pipe fitting and connect the both ends at this elbow pipe fitting.

The elbow pipe section 2, the first straight pipe section 3, the second straight pipe section 4, the first threaded connector 5 and the second threaded connector 6 are of an integrated structure, and the elbow pipe fitting is connected with the pipe fitting through the first threaded connector 5 and the second threaded connector 6.

The width of the buffering wear-resistant ring 10 is larger than that of the fluorescent ring 9, and the buffering wear-resistant ring 10 improves the wear resistance of the elbow pipe fitting.

The working principle is as follows: during the use, sealing washer 8 is installed at the both ends of elbow pipe fitting body 1 through the cooperation of connecting projection 16 and connecting post hole 81, overlaps fluorescence circle 9 and buffering wear ring 10 on elbow pipe fitting body 1 again, can be connected with current pipe fitting through first threaded connection head 5 and second threaded connection head 6.

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 elbow pipe fitting, includes elbow pipe fitting body (1), its characterized in that: the elbow pipe fitting body (1) comprises a bent pipe section (2), a first straight pipe section (3) and a second straight pipe section (4), one end of the bent pipe section (2) is communicated with one end of the first straight pipe section (3), the other end of the bent pipe section (2) is communicated with one end of the second straight pipe section (4), the other end of the first straight pipe section (3) is provided with a first threaded connector (5), the other end of the second straight pipe section (4) is provided with a second threaded connector (6), one ends of the first threaded connector (5) and the second threaded connector (6) are respectively provided with a sealing ring (8), one ends of the first straight pipe section (3) close to the first threaded connector (5) and the second straight pipe section (4) close to the second threaded connector (6) are respectively sleeved with a fluorescent ring (9) and a buffer wear-resistant ring (10); the elbow pipe fitting body (1) is sequentially provided with a stainless steel outer layer (11), a reinforcing layer (15), a buffer layer (14), a stainless steel inner layer (13) and an anti-corrosion inner layer (12) from outside to inside.

2. A stainless steel elbow fitting according to claim 1, wherein: one end of the first straight pipe section (3) close to the first threaded connector (5) and one end of the second straight pipe section (4) close to the second threaded connector (6) are both provided with a plurality of connecting convex columns (16), and one side of the sealing ring (8) is provided with a connecting column hole (81) which is in plug-in fit with the connecting convex columns (16).

3. A stainless steel elbow fitting according to claim 1, wherein: and one ends of the first threaded connector (5) and the second threaded connector (6) are respectively provided with a fillet transition part (7), and the first threaded connector (5) and the second threaded connector (6) are provided with external threads.

4. A stainless steel elbow fitting according to claim 1, wherein: the pipe bending section (2), the first straight pipe section (3), the second straight pipe section (4), the first threaded connector (5) and the second threaded connector (6) are of an integrated structure.

5. A stainless steel elbow fitting according to claim 1, wherein: the width of the buffering wear-resistant ring (10) is larger than that of the fluorescent ring (9).