CN223004621U

CN223004621U - Leak-proof flange sealing device

Info

Publication number: CN223004621U
Application number: CN202422127840.6U
Authority: CN
Inventors: 郭帅; 武广剑; 白睿; 霍伟; 高飞; 裴文东; 武斌; 范旭东; 刘宇新
Original assignee: Jinneng Datuhe Thermal Power Co ltd
Current assignee: Jinneng Datuhe Thermal Power Co ltd
Priority date: 2024-08-30
Filing date: 2024-08-30
Publication date: 2025-06-20
Anticipated expiration: 2034-08-30

Abstract

The utility model discloses a leakage-proof flange sealing device which comprises a clamping first, a clamping second and a sealing gasket, wherein the cross sections of the clamping first and the clamping second are in U-shaped structure, the clamping first and the clamping second are clamped at the edges of the two flanges when the leakage-proof flange sealing device is used, embedding grooves are formed in the inner side walls of the clamping first and the clamping second, the end parts of the sealing gasket are clamped into the embedding grooves, and connecting pieces are arranged at the end parts of the clamping first and the clamping second. The utility model belongs to the technical field of flange sealing devices, and particularly relates to a leakage-proof flange sealing device.

Description

Leak-proof flange sealing device

Technical Field

The utility model belongs to the technical field of flange sealing devices, and particularly relates to a leakage-proof flange sealing device.

Background

Flanges, also known as flange collars or lugs. The flange is a part for connecting the shafts and is used for connecting pipe ends, and the flange is also used for connecting two devices and is also used for an inlet and an outlet of the devices.

The existing part flanges are generally attached to two groups of flanges, the two groups of flanges are fixed through bolts, and the two groups of flanges are attached to each other to achieve connection, but the sealing effect is not ideal, and the leakage probability is high.

Disclosure of utility model

The utility model aims to solve the technical problems that two groups of flanges are attached to each other only by bolts for part of flanges so as to realize connection, but the sealing effect is not ideal, and the leakage probability is high.

In order to achieve the functions, the technical scheme includes that the anti-leakage flange sealing device comprises a clamping first part, a clamping second part and a sealing gasket, wherein the cross sections of the clamping first part and the clamping second part are of U-shaped structures, the clamping first part and the clamping second part are clamped at the edges of the two flanges when the anti-leakage flange sealing device is used, caulking grooves are formed in the inner side walls of the clamping first part and the clamping second part, the end parts of the sealing gasket are clamped into the caulking grooves, and connecting pieces are arranged at the end parts of the clamping first part and the clamping second part.

Preferably, the first clamping device and the second clamping device are both arranged in a semicircular structure.

Preferably, the inner side walls of the first clamping body and the second clamping body are respectively provided with a waterproof gasket, and the waterproof gaskets are respectively positioned on the upper side and the lower side of the sealing gasket.

Preferably, the connecting piece comprises a stud and a nut, the two ends of the first clamping part are provided with a first fixing seat, the two ends of the second clamping part are provided with a second fixing seat, grooves are formed in the first fixing seat and the second fixing seat, one end of the stud is arranged on the groove of the first fixing seat in a rotating mode through a shaft, the other end of the stud is clamped into the groove of the second fixing seat, and the nut is in threaded connection with the stud and compresses the second fixing seat.

Preferably, the sealing gasket is arranged in a semicircular structure, and the edge of the sealing gasket is pressed between the two flanges in use.

The utility model adopts the structure to achieve the beneficial effects that the clamping first and the clamping second are sleeved on the first ring of the two flanges, the sealing gasket is pressed between the two flanges, the clamping first and the clamping second are fixed by the connecting piece, and the sealing effect of the two flanges can be enhanced by matching with the waterproof gasket.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of a second embodiment of the present utility model;

Fig. 3 is a cross-sectional view of an embodiment of the present utility model.

The sealing gasket comprises a first clamping part, a second clamping part, a sealing gasket, a groove, a connecting piece, a waterproof gasket, a stud, a nut, a fixing seat I, a fixing seat II, a fixing seat 11 and a groove, wherein the first clamping part, the second clamping part, the sealing gasket, the groove, the connecting piece, the waterproof gasket, the stud, the nut, the fixing seat I, the fixing seat II, the fixing seat 11 and the groove.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present utility model will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-3, the anti-leakage flange sealing device provided by the utility model comprises a clamping first part, a clamping second part 2 and a sealing gasket 3, wherein the cross sections of the clamping first part and the clamping second part 2 are in U-shaped structure, the clamping first part 1 and the clamping second part 2 are in semicircular structure, the clamping first part 1 and the clamping second part 2 are clamped at the edges of the two flanges when in use, the inner side walls of the clamping first part 1 and the clamping second part 2 are respectively provided with a caulking groove 4, the end part of the sealing gasket 3 is clamped in the caulking groove 4, the sealing gasket 3 is in semicircular structure, the edge part of the sealing gasket 3 is pressed between the two flanges when in use, the end parts of the clamping first part 1 and the clamping second part 2 are provided with a connecting piece 5, the clamping first part 1 and the clamping second part 2 are clamped between the two flanges, the sealing gasket 3 is pressed between the two flanges, and the connecting piece 5 fixes the clamping first part 1 and the clamping second part 2.

As shown in fig. 3, the inner side walls of the first clamping member 1 and the second clamping member 2 are respectively provided with a waterproof gasket 6, the waterproof gaskets 6 are respectively positioned on the upper side and the lower side of the sealing gasket 3, and the first clamping member 1 and the second clamping member 2 are further clamped on the side walls of the two flanges through the waterproof gaskets.

As shown in fig. 1-2, the connecting piece 5 comprises a stud 7 and a nut 8, a first fixing seat 9 is arranged at two ends of the first clamping member 1, a second fixing seat 10 is arranged at two ends of the second clamping member 2, grooves 11 are formed in the first fixing seat 9 and the second fixing seat 10, one end of the stud 7 is arranged on the groove 11 of the first fixing seat 9 in a rotating mode through a shaft, the other end of the stud 7 is clamped into the groove 11 of the second fixing seat 10, the nut 8 is in threaded connection with the stud 7 and tightly presses the second fixing seat 10, when the nut 8 is dismounted, the nut 8 can be unscrewed, the bolt can be unscrewed from the second fixing seat 10, and at the moment, the first clamping member 1 and the second clamping member 2 can be taken down from the two flanges conveniently.

When the anti-leakage waterproof sealing device is specifically used, the clamping first flange 1 and the clamping second flange 2 are clamped and sleeved on the ring of the two flanges, the sealing gasket 3 is pressed between the two flanges, the waterproof gasket further clamps the clamping first flange 1 and the clamping second flange 2 on the side walls of the two flanges, and the clamping first flange 1 and the clamping second flange 2 are fixed and fastened on the two flanges through the studs 7 and the nuts 8.

When the nut 8 is unscrewed, the bolt can be unscrewed from the second fixing seat 10, and the first clamping member 1 and the second clamping member 2 can be taken down from the two flanges at the moment, so that the disassembly is convenient.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. The anti-leakage flange sealing device is characterized by comprising a clamping first, a clamping second and a sealing gasket, wherein the cross sections of the clamping first and the clamping second are in U-shaped structure, the clamping first and the clamping second are clamped at the edges of the two flanges when the anti-leakage flange sealing device is used, caulking grooves are formed in the inner side walls of the clamping first and the clamping second, the end parts of the sealing gasket are clamped into the caulking grooves, and connecting pieces are arranged at the end parts of the clamping first and the clamping second.

2. The flange sealing device of claim 1, wherein the first and second fastening members are each of a semi-circular configuration.

3. The flange sealing device for preventing leakage according to claim 1, wherein the inner side walls of the first clamping member and the second clamping member are respectively provided with a waterproof gasket, and the waterproof gaskets are respectively positioned on the upper side and the lower side of the sealing gasket.

4. The flange sealing device for preventing leakage according to claim 1, wherein the connecting piece comprises a stud and a nut, a first fixing seat is arranged at two ends of the first clamping member, a second fixing seat is arranged at two ends of the second clamping member, grooves are formed in the first fixing seat and the second fixing seat, one end of the stud is arranged on the groove of the first fixing seat in a rotating mode through a shaft, the other end of the stud is clamped into the groove of the second fixing seat, and the nut is in threaded connection with the stud and compresses the second fixing seat.

5. A leak-proof flange seal according to claim 1, wherein the gasket is arranged in a semi-circular configuration, and the edges of the gasket are compressed by the two flanges in use.