CN217328918U

CN217328918U - Corrosion-resistant flange

Info

Publication number: CN217328918U
Application number: CN202220525385.3U
Authority: CN
Inventors: 周庆威; 周庆龙; 周庆
Original assignee: Hebei Yongsheng Petrochemical Machinery Manufacturing Co ltd
Current assignee: Hebei Yongsheng Petrochemical Machinery Manufacturing Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-08-30
Anticipated expiration: 2032-03-10

Abstract

The utility model discloses a corrosion-resistant flange has, including the flange main part, its characterized in that: the flange main part includes public head and female head, the fixed outer protective sheath that is provided with in the outside of female head, outer protective sheath includes the stainless steel main part, the both sides of female head are all through the anticorrosive ring of a plurality of second connecting screw fixedly connected with, two anticorrosive ring all includes first ring body and second ring body, two the inboard of first ring body and second ring body is all fixed and is provided with the cooperation head, two the junction both sides of first ring body and second ring body all are provided with the semicircle orifice. The utility model provides a pair of have corrosion-resistant flange, the cooperation is inseparable between the public head of setting and the female head, is difficult for the seepage after using for a long time, and sealing performance is strong, long service life, the anticorrosive ring that sets up simultaneously can protect the junction and the bolted connection department of public head and female head not corroded, and is anticorrosive effectual.

Description

Corrosion-resistant flange

Technical Field

The utility model relates to a flange technical field especially relates to a have corrosion-resistant flange.

Background

Flanges, also called flange flanges or lugs, are parts of the mutual connection between shafts, used for the connection between pipe ends; the flange on the inlet and the outlet of the equipment is also used for connecting the two pieces of equipment, such as a speed reducer flange, a flange connection or a flange joint, and the flange, the gasket and the bolt are connected with each other to form a detachable connection of a combined sealing structure. The existing flange often produces a gap due to the fact that the flange is not tightly matched in the using process, leakage is caused, the corrosion resistance of the surface of the flange is poor, the flange can be corroded by liquid when being used for a long time, the service life of the flange is influenced, and the requirement of a user cannot be met.

The prior patent (with the publication number of CN210830884U) discloses a corrosion-resistant flange, which comprises a first flange, wherein a circular groove is formed in the left side of the first flange, a first through hole is formed in the right side of the inner cavity of the circular groove, a first connecting pipe is communicated with the left side of the first flange, a sealing gasket is movably connected to the right side of the first flange, a second through hole is formed in one side, close to the first through hole, of the sealing gasket, and a second flange is movably connected to the right side of the sealing gasket. The utility model discloses a set up first flange, sealed the pad, the second flange, the second seal cover, the second connecting pipe, the locating piece, the nut, first seal cover, the threaded rod, interior hexagonal groove, first connecting pipe, the circle piece, the circular slot, the nut groove, the constant head tank, first through-hole, the third through-hole, the second through-hole, the flange main part, corrosion resistant layer and corrosion-resistant dope layer's cooperation is used, the current poor problem of partial flange corrosion-resistant effect has been solved, this flange, possess corrosion-resistant effectual advantage, be worth promoting. The anti-corrosion flange has a certain anti-corrosion effect, but can not perform anti-corrosion protection on the screw joint, and the reliability of the joint is reduced after long-term use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a flange with corrosion resistance.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a flange with it is corrosion-resistant, includes the flange main part, the flange main part includes public head and female head, the fixed outer protective sheath that is provided with in the outside of female head, outer protective sheath includes the stainless steel main part, the both sides of female head are all through the anticorrosive ring of a plurality of second connecting screw fixedly connected with, two anticorrosive ring all includes first ring body and second ring body, two the inboard of first ring body and second ring body is all fixed and is provided with the cooperation head, two the junction both sides of first ring body and second ring body all are provided with the semicircle orifice, two the connecting hole has all been seted up to one side of first ring body and second ring body.

As a further description of the above technical solution:

the inner sides of the male head and the female head are fixedly connected with pipelines.

As a further description of the above technical solution:

and a sealing ring is embedded between the male head and the female head.

As a further description of the above technical solution:

and a urushiol anti-corrosion coating is fixedly arranged on the outer side of the stainless steel main body.

As a further description of the above technical solution:

and the end surfaces of the first ring body and the second ring body, which are close to the female head, are fixedly provided with rubber pads.

As a further description of the above technical solution:

a plurality of the matching heads are respectively movably sleeved outside the two pipelines.

As a further description of the above technical solution:

a plurality of mounting holes are formed in one side of the female head, and a plurality of first connecting screws are arranged inside the mounting holes.

As a further description of the above technical solution:

the female head is fixedly connected with the male head through a plurality of first connecting screws.

The utility model discloses following beneficial effect has:

1. the utility model provides a pair of have corrosion-resistant flange, the device is when using, and the cooperation is inseparable between the public head of setting and the female head, is difficult for the seepage after long-time the use, and sealing capacity is strong, and joint strength is high simultaneously, long service life.

2. The utility model provides a pair of have corrosion-resistant flange, the device is when using, and the anticorrosive ring of setting can protect the junction and the bolted connection department of public head and female head not corroded, and is anticorrosive effectual, and anticorrosive ring adopts split type design simultaneously, and simple to operate is swift.

3. The utility model provides a pair of have corrosion-resistant flange, the device is provided with outer protective sheath when using, and outer protective sheath can carry out anticorrosive protection to female lateral wall, prolongs female life of head, and the outer protective sheath that sets up simultaneously can wrap up the outside of anticorrosive ring, when being convenient for install anticorrosive ring, also can prolong the life of anticorrosive ring.

Drawings

Fig. 1 is an isometric view of a corrosion-resistant flange according to the present invention;

fig. 2 is a schematic view of an internal structure of a corrosion-resistant flange according to the present invention;

fig. 3 is a schematic structural diagram of an anti-corrosion ring with an anti-corrosion flange according to the present invention;

fig. 4 is a schematic structural diagram of an outer protective sheath with a corrosion-resistant flange according to the present invention.

Illustration of the drawings:

1. a flange body; 2. a pipeline; 3. a male head; 4. a female head; 5. a first connection screw; 6. mounting holes; 7. an anticorrosion ring; 8. a second connection screw; 9. an outer protective sheath; 10. a seal ring; 11. a first ring body; 12. a second ring body; 13. a semicircular hole; 14. a rubber pad; 15. connecting holes; 16. a fitting head; 17. A stainless steel body; 18. urushiol corrosion protection coating.

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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. 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 the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 as a specific case by those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a flange with corrosion resistance comprises a flange main body 1, wherein the flange main body 1 comprises a male head 3 and a female head 4, the male head 3 and the female head 4 are arranged to be tightly matched, the flange is not easy to leak after being used for a long time, the sealing capacity is strong, an outer protective sleeve 9 is fixedly arranged on the outer side of the female head 4, the outer protective sleeve 9 can carry out corrosion protection on the outer side wall of the female head 4, the service life of the female head 4 is prolonged, the outer protective sleeve 9 comprises a stainless steel main body 17, two sides of the female head 4 are fixedly connected with corrosion-resistant rings 7 through a plurality of second connecting screws 8, the two corrosion-resistant rings 7 respectively comprise a first ring body 11 and a second ring body 12, the corrosion-resistant rings 7 in split type design are convenient to install and disassemble, the inner sides of the two first ring bodies 11 and the second ring body 12 are respectively and fixedly provided with a matching head 16, the shape of the matching heads 16 is the same as that of the outer wall of a pipeline 2, and the matching heads can be tightly matched with the pipeline 2 when being installed, both sides of the joint of the two first ring bodies 11 and the second ring body 12 are provided with semicircular holes 13, and one side of the two first ring bodies 11 and one side of the second ring body 12 are provided with connecting holes 15.

The inner sides of the male head 3 and the female head 4 are fixedly connected with a pipeline 2, the pipeline 2 is a main body for water delivery and is also an installation foundation of the flange main body 1, a sealing ring 10 is embedded between the male head 3 and the female head 4, the sealing ring 10 can enhance the sealing performance of the joint of the male head 3 and the female head 4 and enhance the anti-seepage capability, the outer side of the stainless steel main body 17 is fixedly provided with a urushiol anti-corrosion coating 18, the urushiol anti-corrosion coating 18 is acid-resistant, alkali-resistant, ammonia-resistant, water-resistant and strong in anti-corrosion capability, the end faces of the two first ring bodies 11 and the second ring body 12 close to the female head 4 are fixedly provided with rubber pads 14, the arranged rubber pads 14 are used for reducing gaps when the anti-corrosion rings 7 are installed, the sealing performance is stronger, the anti-corrosion capability is stronger, the matching heads 16 are respectively movably sleeved on the outer sides of the two pipelines 2, one side of the female head 4 is provided with a plurality of installation holes 6, and the first connecting screws 5 are arranged in the installation holes 6, the female head 4 is fixedly connected with the male head 3 through a plurality of first connecting screws 5.

The working principle is as follows: the utility model provides a have corrosion-resistant flange, the device is when using, at first take out the device, cooperate the installation with public first 3 and female head 4 through first connecting screw 5, the cooperation is closely installed a plurality of anticorrosive rings 7 in the both sides of female head 4 through second connecting screw 8 after, anticorrosive ring 7 can protect the junction of public first 3 and female head 4 and the junction of first connecting screw 5 not corroded, prolong flange main part 1's life, and the cushion 14 that sets up can reduce the gap when anticorrosive ring 7 installs, the leakproofness is stronger, the corrosion protection ability is stronger, outer protective sheath 9 that sets up simultaneously is in easy to assemble anticorrosive ring 7, also can play good anticorrosive effect.

Finally, it should be noted that: 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 or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A flange with corrosion resistance, comprising a flange main body (1), characterized in that: flange main part (1) is including public head (3) and female head (4), the fixed outer protective sheath (9) that is provided with in the outside of female head (4), outer protective sheath (9) are including stainless steel main part (17), the both sides of female head (4) are all through a plurality of second connecting screw (8) fixedly connected with anticorrosive ring (7), two anticorrosive ring (7) all include first ring body (11) and second ring body (12), two the inboard of first ring body (11) and second ring body (12) is all fixed and is provided with cooperation head (16), two the junction both sides of first ring body (11) and second ring body (12) all are provided with semicircle orifice (13), two connecting hole (15) have all been seted up to one side of first ring body (11) and second ring body (12).

2. A corrosion resistant flange according to claim 1 wherein: the inner sides of the male head (3) and the female head (4) are fixedly connected with pipelines (2).

3. A corrosion resistant flange according to claim 1 wherein: and a sealing ring (10) is embedded between the male head (3) and the female head (4).

4. A corrosion resistant flange according to claim 1 wherein: and a urushiol corrosion-resistant coating (18) is fixedly arranged on the outer side of the stainless steel main body (17).

5. A corrosion resistant flange according to claim 1 wherein: and rubber pads (14) are fixedly arranged on the end surfaces, close to the female head (4), of the first ring body (11) and the second ring body (12).

6. A corrosion resistant flange according to claim 1 wherein: the matching heads (16) are movably sleeved outside the two pipelines (2) respectively.

7. A corrosion resistant flange according to claim 1 wherein: a plurality of mounting holes (6) are formed in one side of the female head (4), and a plurality of first connecting screws (5) are arranged in the mounting holes (6).

8. A corrosion resistant flange according to claim 7 wherein: female head (4) and public head (3) are through a plurality of first connecting screw (5) fixed connection.