CN211550836U

CN211550836U - Eccentric reducing pipe of stainless steel

Info

Publication number: CN211550836U
Application number: CN202020094849.0U
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: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-09-22
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses a stainless steel eccentric reducing pipe, which comprises a small-mouth pipe, a connecting pipe and a large-mouth pipe, wherein one end of the small-mouth pipe is connected with the connecting pipe, the other end of the connecting pipe is connected with one end of the large-mouth pipe, the inside of one end of the large-mouth pipe and the small-mouth pipe is provided with a first threaded connection part, the inside of the large-mouth pipe and the one end of the small-mouth pipe is provided with a connecting cylinder, the outside of the connecting cylinder is provided with a second threaded connection part, the second threaded connection part is connected and matched with the first threaded connection part, one end of the connecting cylinder close to the small-mouth pipe is provided with a second speed reducing plate, the other side of the second speed reducing plate is connected with a connecting column arranged horizontally, the connecting column is connected with a filter plate, one side of the filter plate is provided with a first speed reducing plate, the opening of the first speed reducing plate close to the, the fluid entering the large-opening pipe is decelerated, and the impact force of water flow is relieved.

Description

Eccentric reducing pipe of stainless steel

Technical Field

The utility model relates to a nonrust steel pipe technical field specifically is a nonrust steel eccentric reducing pipe.

Background

The eccentric reducing pipe is a pipe fitting used at the reducing part of a pipeline, when the eccentric reducing pipe is used, when fluid flows from a pipeline with a larger diameter to a pipeline with a smaller diameter, the eccentric reducing pipe is easy to cause impact due to the pressure and the flow velocity of the fluid, and after the eccentric reducing pipe is used for a long time, the eccentric reducing pipe can be cracked, so that inconvenience is brought to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an eccentric reducing pipe of stainless steel 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 eccentric reducing pipe comprises a small-mouth pipe, a connecting pipe and a large-mouth pipe, wherein one end of the small-mouth pipe is connected with the connecting pipe, the other end of the connecting pipe is connected with one end of the large-mouth pipe, first threaded connecting parts are arranged inside the small-mouth pipe and one end of the small-mouth pipe, a connecting cylinder is arranged in the large-mouth pipe, a second threaded connecting part is arranged outside the connecting cylinder and is in connected fit with the first threaded connecting parts, a second speed reducing plate is arranged at one end of the connecting cylinder close to the small-mouth pipe, the other side of the second speed reducing plate is connected with a connecting column which is horizontally arranged, a filter plate is connected onto the connecting column, a first speed reducing plate is arranged at one side of the filter plate, an opening at one end of the first speed reducing plate close to the large-mouth pipe, a first buffer plate is obliquely arranged in the large-mouth pipe, a second buffer plate is obliquely arranged in the, the buffer layer outside is provided with the wearing layer.

Preferably, evenly be provided with a plurality of through-holes on second reduction gear and the first reduction gear, the second reduction gear top is provided with the connecting block, and is provided with the screw with spliced pole one end threaded connection on the connecting block.

Preferably, the length on the connecting column is greater than the length of the connecting cylinder, a third threaded connecting part is arranged on the connecting column, the third threaded connecting part is an external thread, and screw holes in threaded connection with the third threaded connecting part are formed in the filter plate and the first speed reducing plate.

Preferably, the small-opening pipe and the large-opening pipe are provided with adhesive layers at one ends, and one side of each adhesive layer is connected with a sealing ring.

Preferably, the length of first buffer board and second buffer board is less than the diameter of wide-mouthed pipe, and first buffer board top is connected on the inner wall of wide-mouthed pipe, and the bottom of second buffer board is connected on the inner wall of connecting pipe.

Preferably, the small-mouth pipe, the connecting pipe and the large-mouth pipe are integrated into an eccentric reducing pipe structure, and the first threaded connecting part arranged in the small-mouth pipe and the large-mouth pipe is an internal thread.

Preferably, the second threaded connection portion is an external thread, and the second threaded connection portion is in threaded connection with the first threaded connection portion, and the length of the second threaded connection portion is smaller than that of the first threaded connection portion.

Compared with the prior art, the beneficial effects of the utility model are that: the reducer pipe comprises a large-opening pipe, a filter plate, a buffer plate, a connecting column, a first speed reducing plate, a second speed reducing plate, a filtering plate, a baffle plate, a reducing pipe and a connecting column, wherein the first speed reducing plate and the second speed reducing plate are arranged to reduce the speed of fluid entering the large-opening pipe; the buffer layer and the wear-resistant layer arranged on the outer side of the reducer pipe improve the buffer performance and the wear-resistant performance of the reducer pipe against external force impact, and protect the reducer pipe.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the connecting cylinder of the present invention;

FIG. 4 is an enlarged view of A in FIG. 2;

fig. 5 is a schematic structural view of the buffer plate of the present invention.

In the figure: 1. a small-mouth tube; 2. a connecting pipe; 3. a large-opening pipe; 4. a first threaded connection; 5. an adhesive layer; 6. a seal ring; 7. a connecting cylinder; 71. connecting blocks; 8. connecting columns; 9. a filter plate; 10. a first speed reduction plate; 11. a second threaded connection; 12. a first buffer plate; 13. a second buffer plate; 14. a wear layer; 15. a buffer layer; 16. a stainless steel tube; 17. a second speed reduction plate; 18. a third threaded connection; 19. and a screw hole.

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. 1-5, the present invention provides a technical solution: a stainless steel eccentric reducing pipe comprises a small-mouth pipe 1, a connecting pipe 2 and a large-mouth pipe 3, wherein one end of the small-mouth pipe 1 is connected with the connecting pipe 2, the other end of the connecting pipe 2 is connected with one end of the large-mouth pipe 3, a first threaded connecting part 4 is arranged inside one end of the large-mouth pipe 3 and one end of the small-mouth pipe 1, a connecting cylinder 7 is arranged in the large-mouth pipe 3, a second threaded connecting part 11 is arranged outside the connecting cylinder 7, the second threaded connecting part 11 is in connection fit with the first threaded connecting part 4, a second speed reducing plate 17 is arranged at one end of the connecting cylinder 7 close to the small-mouth pipe 1, the other side of the second speed reducing plate 17 is connected with a connecting column 8 which is horizontally arranged, a filter plate 9 is connected on the connecting column 8, a first speed reducing plate 10 is arranged at one side of the filter plate 9, the first speed reducing plate 10 is arranged close to an opening at one end of the large-mouth pipe 3, the small-mouth pipe 1, the connecting pipe 2 and the large-mouth pipe 3 all comprise a stainless steel pipe 16, a buffer layer 15 is arranged on the outer side of the stainless steel pipe 16, and a wear-resistant layer 14 is arranged on the outer side of the buffer layer 15.

Evenly be provided with a plurality of through-holes on second reduction gear 17 and the first reduction gear 10, second reduction gear 17 top is provided with connecting block 71, and is provided with the screw 19 with spliced pole 8 one end threaded connection on the connecting block 71.

The length of the connecting column 8 is larger than that of the connecting cylinder 7, a third threaded connecting part 18 is arranged on the connecting column 8, the third threaded connecting part 18 is an external thread, and a screw hole 19 which is in threaded connection with the third threaded connecting part 18 is formed in each of the filter plate 9 and the first speed reducing plate 10.

The one end of small-bore pipe 1 and wide-bore pipe 3 all is provided with

adhesive linkage

5, and 5 one sides of adhesive linkage are connected with sealing washer 6, and after installation sealing washer 6, when conveniently connecting the pipe fitting, improve the leakproofness of connecting.

The length of first buffer plate 12 and second buffer plate 13 is less than the diameter of wide-mouthed pipe 3, and first buffer plate 12 top is connected on the inner wall of wide-mouthed pipe 3, and the bottom of second buffer plate 13 is connected on the inner wall of connecting pipe 2.

Small-bore pipe 1, connecting

pipe

2 and 3 eccentric reducing tubular construction of formula as an organic whole of macrostoma pipe, and second threaded connection portion 11 is the external screw thread in small-bore pipe 1 and the macrostoma pipe 3, and second threaded

connection portion

11 and 4 threaded connection of first threaded connection portion, and the length of second threaded connection portion 11 is less than the length of first threaded connection portion 4.

The working principle is as follows: when in use, the first speed reducing plate 10 and the filter plate 9 are arranged on the connecting column 8 through the connection of the screw hole 19 and the third threaded connection part 18, one end of the connecting column 8 is connected with the screw hole 19 on the connecting block 71 at one side of the second speed reducing plate 17, the first speed reducing plate 10 and the filter plate 9 are arranged in the connecting cylinder 7, the connecting cylinder 7 is arranged in the large-opening pipe 3 through the matching of the first threaded connection part 4 and the second threaded connection part 11, when fluid passes through the large-opening pipe 3, the fluid is primarily decelerated through the first speed reducing plate 10, the filter plate 9 is filtered, the deceleration effect can also be achieved, the fluid flows into the connecting pipe 2 through the second speed reducing plate 17, flows into the small-opening pipe 1 through the buffering of the first buffering plate 12 and the second buffering plate 13, the sealing rings 6 are bonded at two ends of the reducer pipe through the bonding layer 5, the small-opening pipe 1 is connected with a pipe fitting through the first threaded connection part 4, and the circulation of the fluid is convenient.

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 an eccentric reducing pipe of stainless steel, includes miniport pipe (1), connecting pipe (2) and wide-mouthed pipe (3), its characterized in that: one end of the small opening pipe (1) is connected with a connecting pipe (2), the other end of the connecting pipe (2) is connected with one end of the large opening pipe (3), the inside of one end of the large opening pipe (3) and one end of the small opening pipe (1) are respectively provided with a first threaded connecting part (4), a connecting cylinder (7) is arranged in the large opening pipe (3), the outer side of the connecting cylinder (7) is provided with a second threaded connecting part (11), the second threaded connecting part (11) is connected and matched with the first threaded connecting part (4), one end of the connecting cylinder (7) close to the small opening pipe (1) is provided with a second decelerating plate (17), the other side of the second decelerating plate (17) is connected with a connecting column (8) which is horizontally arranged, the connecting column (8) is connected with a filter plate (9), one side of the filter plate (9) is provided with a first decelerating plate (10), the first decelerating plate (10) is arranged close to an opening at one end of the large opening pipe (3, the second buffer plate (13) is obliquely arranged in the connecting pipe (2), the small-opening pipe (1), the connecting pipe (2) and the large-opening pipe (3) all comprise stainless steel pipes (16), the buffer layer (15) is arranged on the outer side of each stainless steel pipe (16), and the wear-resistant layer (14) is arranged on the outer side of each buffer layer (15).

2. The eccentric reducer of stainless steel according to claim 1, wherein: evenly be provided with a plurality of through-holes on second retarder (17) and first retarder (10), second retarder (17) top is provided with connecting block (71), and is provided with screw (19) with spliced pole (8) one end threaded connection on connecting block (71).

3. The eccentric reducer of stainless steel according to claim 1, wherein: the length of the connecting column (8) is larger than that of the connecting cylinder (7), a third threaded connecting part (18) is arranged on the connecting column (8), the third threaded connecting part (18) is an external thread, and a screw hole (19) which is in threaded connection with the third threaded connecting part (18) is formed in each of the filter plate (9) and the first speed reducing plate (10).

4. The eccentric reducer of stainless steel according to claim 1, wherein: one end of the small-opening pipe (1) and one end of the large-opening pipe (3) are both provided with an adhesive layer (5), and one side of the adhesive layer (5) is connected with a sealing ring (6).

5. The eccentric reducer of stainless steel according to claim 1, wherein: the length of the first buffer plate (12) and the second buffer plate (13) is smaller than the diameter of the large-opening pipe (3), the top end of the first buffer plate (12) is connected to the inner wall of the large-opening pipe (3), and the bottom end of the second buffer plate (13) is connected to the inner wall of the connecting pipe (2).

6. The eccentric reducer of stainless steel according to claim 1, wherein: the small-mouth pipe (1), the connecting pipe (2) and the large-mouth pipe (3) are integrated into an eccentric reducing pipe structure, and a first threaded connecting part (4) arranged in the small-mouth pipe (1) and the large-mouth pipe (3) is an internal thread.

7. The eccentric reducer of stainless steel according to claim 1, wherein: the second threaded connection portion (11) is an external thread, the second threaded connection portion (11) is in threaded connection with the first threaded connection portion (4), and the length of the second threaded connection portion (11) is smaller than that of the first threaded connection portion (4).