CN216843544U

CN216843544U - Anti-corrosion pipe fitting connecting flange

Info

Publication number: CN216843544U
Application number: CN202123210016.XU
Authority: CN
Inventors: 李峰; 汪国峰
Original assignee: Jiaozuo Zihua Plastic Pipe Industry Co ltd
Current assignee: Jiaozuo Zihua Plastic Pipe Industry Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-06-28
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses an anticorrosive pipe fitting flange, including the flange body, be provided with the ring flange of two matchings on the flange body, two the activity joint has the gasket between the ring flange, and two be provided with the ring channel on the lateral wall that the ring flange is close to each other, the activity joint has the sealing ring in the ring channel, two the activity cover is equipped with the lag on the all lateral walls of ring flange, the equal fixedly connected with in both ends of lag fixes the ear, be provided with fastening device on the fixed ear, fixedly connected with annular gasbag on the inner circle lateral wall of lag, annular gasbag is located the ring channel, two be provided with arc section of thick bamboo between the fixed ear. The utility model discloses a set up the sealing ring and can seal up the clearance between two ring flanges, guarantee its sealed effect, can protect ring flange and gasket through the lag, through the annular airbag inflation, can compress tightly the sealing ring in the ring channel, further promote its protection and sealed effect.

Description

Anti-corrosion pipe fitting connecting flange

Technical Field

The utility model relates to a flange technical field especially relates to an anticorrosive pipe fitting flange.

Background

The anti-corrosion pipe fittings have good anti-corrosion performance, and can be widely applied to the fields of chemical industry, building materials, machinery and the like, the anti-corrosion pipe fittings are connected through the flange, the connecting flange can realize the connection between a static pipeline and a rotating or reciprocating device, the stability is high, and the sealing performance is good. When the existing anti-corrosion pipe fitting connecting flange is used, a gasket between the flange plate and the flange plate can be corroded by fluid in the pipe fitting for a long time and aged by wind and sun, so that the problem of liquid leakage is easily caused, and the sealing effect of the connecting flange is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the flange plate and the gasket are easy to be corroded and aged to result in poor sealing effect in the prior art, and providing a sealed effectual anticorrosive pipe fitting flange.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an anti-corrosion pipe fitting connecting flange comprises a flange body, wherein two matched flange plates are arranged on the flange body, a gasket is movably clamped between the two flange plates, a ring groove is formed in the side wall, close to each other, of the two flange plates, a sealing ring is movably clamped in the ring groove, a protective sleeve is movably sleeved on the peripheral side wall of the two flange plates, two ends of the protective sleeve are fixedly connected with fixing lugs, a fastening mechanism is arranged on the fixing lugs, an annular air bag is fixedly connected to the inner ring side wall of the protective sleeve, the annular air bag is located in the ring groove, an arc-shaped cylinder is arranged between the two fixing lugs, two pistons are hermetically and slidably connected in the arc-shaped cylinder, arc-shaped rods are fixedly connected to the two pistons and are fixedly connected with the two fixing lugs respectively, and air guide tubes are connected to the side wall of the arc-shaped cylinder, the air duct is communicated with the annular air bag.

Preferably, the inner ring side wall of the gasket is coated with an anticorrosive coating.

Preferably, a connecting ring is arranged on the peripheral side wall of the flange plate, the connecting ring and the flange plate are integrally formed, and a plurality of connecting holes which are arranged in an annular array are formed in the connecting ring.

Preferably, the fastening mechanism includes the lead screw that runs through two fixed ear settings, the one end fixedly connected with fixed block of lead screw, the other end screw-thread fit of lead screw has screw-nut, fixedly connected with two symmetrical push rods on screw-nut's the outer lane lateral wall.

Preferably, the annular air bag is made of air bag materials, and the section of the annular air bag is of a semicircular structure.

Preferably, the arc-shaped cylinder and the arc-shaped rod are both arc-shaped structures, and the circle centers of the arc-shaped cylinder and the arc-shaped rod fall on the axis of the flange body.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses a set up sealing ring and lag, the sealing ring can seal the clearance between two ring flanges, delays the corruption ageing of gasket, guarantees its sealed effect to can protect ring flange and gasket through the lag, avoid it to receive the solarization influence, the simple to operate of lag, barrier propterty is good.

2. The utility model discloses a set up annular gasbag and arc section of thick bamboo, the protective sheath can impress the air in the arc section of thick bamboo in the annular gasbag for the annular gasbag inflation compresses tightly the sealing ring in the ring channel, further promotes its protection and sealed effect.

Drawings

Fig. 1 is a schematic structural view of an anti-corrosion pipe fitting connecting flange provided by the present invention;

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

fig. 3 is the utility model provides a side structure schematic diagram of lag in anticorrosive pipe fitting flange.

In the figure: the novel anti-corrosion sealing ring comprises a flange body 1, a flange plate 2, a gasket 3, an annular groove 4, a sealing ring 5, a protective sleeve 6, a fixing lug 7, an annular air bag 8, an arc-shaped cylinder 9, a piston 10, an arc-shaped rod 11, an air guide pipe 12, an anti-corrosion coating 13, a connecting ring 14, a connecting hole 15, a lead screw 16, a fixing block 17, a lead screw nut 18 and a push rod 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, an anticorrosive pipe fitting flange, including flange body 1, be provided with two flange discs 2 that match on flange body 1, movable joint has gasket 3 between two flange discs 2, it should be noted that, coating has anticorrosive coating 13 on the inner circle lateral wall of gasket 3, anticorrosive coating 13 can delay anticorrosive pipe fitting in the corruption to gasket 3, improve gasket 3's life, it is worth mentioning, be provided with go-between 14 on flange disc 2's the week lateral wall, go-between 14 and flange disc 2 integrated into one piece, be provided with a plurality of connecting holes 15 that are the annular array and arrange on go-between 14, in this embodiment, connecting hole 15 has six, run through connecting hole 15 on two flange discs 2 through the bolt and tighten, can connect two flange discs 2 fixedly.

In the utility model, the side walls of two flange plates 2 which are close to each other are provided with a ring groove 4, a sealing ring 5 is movably clamped in the ring groove 4, the sealing ring 5 can seal the gap between the two flange plates 2, the corrosion and aging of a gasket 3 are delayed, the sealing effect is ensured, the peripheral side walls of the two flange plates 2 are movably sleeved with a protective sleeve 6, both ends of the protective sleeve 6 are fixedly connected with fixing lugs 7, the fixing lugs 7 are provided with fastening mechanisms, it is required to be noted that the fastening mechanisms comprise lead screws 16 which penetrate through the two fixing lugs 7, one end of each lead screw 16 is fixedly connected with a fixing block 17, the other end of each lead screw 16 is in threaded fit with a lead screw nut 18, the outer side wall of each lead screw nut 18 is fixedly connected with two symmetrical push rods 19, the protective sleeve 6 can protect the flange plates 2 and the gasket 3, the influence of the gasket 3 from sunlight is avoided, and the installation of the protective sleeve 6 is convenient, the protective performance is good.

The utility model discloses in, fixedly connected with annular gasbag 8 on the inner circle lateral wall of lag 6, annular gasbag 8 is located ring channel 4, and it is worth mentioning that annular gasbag 8 adopts the gasbag material to make, has good elastic deformation ability to annular gasbag 8's cross-section semicircular structure, when annular gasbag inflation 8 expands, can compress tightly sealing ring 5 in ring channel 4, further promote its protection and sealed effect.

The utility model discloses in, be provided with arc section of thick bamboo 9 between two fixed ears 7, sealed sliding connection has two pistons 10 in the arc section of thick bamboo 9, equal fixedly connected with arc pole 11 on two pistons 10, two arc poles 11 respectively with two fixed ear 7 fixed connection, be connected with air duct 12 on the lateral wall of arc section of thick bamboo 9, air duct 12 and annular gasbag 8 intercommunication, arc section of thick bamboo 9 and arc pole 11 all adopt the camber line structure, and its centre of a circle falls on the axis of flange body 1, it needs to be noted that, arc pole 11 can adopt the elastic steel piece to make, certain elastic deformation ability has, avoid it to buckle when lag 6 dismantles and split.

The utility model discloses its functional principle is explained to following mode of operation of accessible: during installation, firstly, the sealing ring 5 is sleeved on the annular groove 4 on one flange plate 2, the sealing ring 5 can seal a gap between the two flange plates 2, corrosion and aging of the gasket 3 are delayed, the sealing effect of the gasket is ensured, then the two flange plates 2 are butted, the gasket 3 is arranged between the two flange plates 2 in a cushioning mode, then the protecting sleeve 6 is sleeved on the flange plates 2, the screw rod nut 18 is rotated through the push rod 19, due to the fact that the screw rod nut 18 is in threaded fit with the screw rod 16, the screw rod nut 18 can be moved along the axis direction of the screw rod 16, the two fixing lugs 7 are enabled to be close to each other, the protecting sleeve 6 is fastened on the flange plates 2, the protecting sleeve 6 can protect the flange plates 2 and the gasket 3, the influence of sunlight is avoided, and the protecting sleeve 6 is convenient to install and good in protection performance.

When two fixed ears 7 are close to each other, drive two pistons 10 through arc pole 11 and be close to each other in arc section of thick bamboo 9, then can squeeze into annular gasbag 8 with the air in the arc section of thick bamboo 9 for annular gasbag 8 inflation compresses tightly sealing ring 5 in ring channel 4, further promotes its protection and sealed effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An anti-corrosion pipe fitting connecting flange comprises a flange body (1), wherein two matched flange plates (2) are arranged on the flange body (1), and the anti-corrosion pipe fitting connecting flange is characterized in that a gasket (3) is movably clamped between the two flange plates (2), an annular groove (4) is formed in the side wall, close to each other, of the two flange plates (2), a sealing ring (5) is movably clamped in the annular groove (4), a protective sleeve (6) is movably sleeved on the peripheral side wall of each of the two flange plates (2), both ends of each protective sleeve (6) are fixedly connected with fixing lugs (7), each fixing lug (7) is provided with a fastening mechanism, an annular air bag (8) is fixedly connected onto the inner ring side wall of each protective sleeve (6), each annular air bag (8) is located in each annular groove (4), and an arc-shaped cylinder (9) is arranged between the two fixing lugs (7), arc section of thick bamboo (9) inner seal sliding connection has two pistons (10), two equal fixedly connected with arc pole (11) on piston (10), two arc pole (11) respectively with two fixed ear (7) fixed connection, be connected with air duct (12) on the lateral wall of arc section of thick bamboo (9), air duct (12) and annular gasbag (8) intercommunication.

2. An anti-corrosion pipe connection flange according to claim 1, characterized in that the inner ring side wall of the gasket (3) is coated with an anti-corrosion coating (13).

3. The connecting flange for the corrosion-resistant pipe fittings as claimed in claim 1, wherein a connecting ring (14) is arranged on the peripheral side wall of the flange plate (2), the connecting ring (14) and the flange plate (2) are integrally formed, and a plurality of connecting holes (15) which are arranged in an annular array are formed in the connecting ring (14).

4. The anti-corrosion pipe connecting flange according to claim 1, characterized in that the fastening mechanism comprises a screw rod (16) penetrating through the two fixing lugs (7), one end of the screw rod (16) is fixedly connected with a fixing block (17), the other end of the screw rod (16) is in threaded fit with a screw nut (18), and two symmetrical push rods (19) are fixedly connected to the outer ring side wall of the screw nut (18).

5. An antiseptic pipe connecting flange as claimed in claim 1, characterized in that the annular air bag (8) is made of air bag material, and the cross section of the annular air bag (8) is of a semicircular structure.

6. An anti-corrosion pipe connecting flange according to claim 1, characterized in that the arc-shaped cylinder (9) and the arc-shaped rod (11) are both arc-shaped structures, and the centers of the arc-shaped cylinders and the arc-shaped rods fall on the axis of the flange body (1).