Flange sealing mechanism and flange device

By designing flange positioning and connection sealing components, the problem of cumbersome disassembly and reassembly of existing flanges and pipelines is solved, achieving convenient connection and a solid seal.

CN223690613UActive Publication Date: 2025-12-19JIANGSU JINCHUANGXINTIAN PIPE IND CO LTD
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Patent Information

Application Number
CN202423191151.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-12-19
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

When connecting flanges to pipes, simple sealing rings and screws are often used, which makes disassembly cumbersome and inconvenient.

Method used

The flange positioning assembly and connection sealing assembly, including sealing rings, elastic plates, anti-disengagement sleeves, protrusions and groove structures, are used to achieve a detachable connection between the pipe and the flange, and the sealing performance is ensured by positioning pins and sealing gaskets.

Benefits of technology

It enables convenient connection and disassembly of pipes and flanges, improves the stability and sealing of the connection, and increases the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223690613U_ABST
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Abstract

The utility model belongs to the technical field of flanges, and particularly relates to a flange sealing mechanism and a flange device.The flange sealing mechanism comprises a flange positioning assembly, the side of the flange positioning assembly is connected with a connecting sealing assembly, the connecting sealing assembly comprises a connecting pipeline, and the outer wall of the connecting pipeline is connected with a sealing rubber ring in a clamped mode. An elastic plate is connected to the edge side of the sealing rubber ring, a spring is arranged on the other side of the elastic plate, an anti-falling sleeve is installed outside the spring, a protruding block is fixedly connected to the inner wall of the anti-falling sleeve, a connector is connected to the edge side of the anti-falling sleeve, and a clamping groove is formed in the outer wall of the connector; when the connecting pipeline is inserted into the flange positioning assembly, the sealing rubber ring provides sealing, the connecting pipeline and the anti-falling sleeve are adjusted to be connected with the connector to be separated from the connector, meanwhile, the two flange plates are positioned through the positioning pin, the sealing gasket and the sealing layer guarantee the sealing performance, and the practicability of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of flange, specifically a flange sealing mechanism and flange device. BACKGROUND

[0002] Flange sealing is the key technology to ensure the sealing of industrial pipeline system and equipment connection, and the form of flange sealing surface is various, common ones are plane sealing surface, concave-convex surface sealing surface, mortise surface sealing surface and ring connecting surface sealing surface.

[0003] In the Chinese patent CN220506153U, the utility model relates to the technical field of flange sealing device, provides a kind of flange sealing mechanism and sealable flange device, comprising: first clamping piece, second clamping piece, baffle;One end of the first clamping piece is rotatably arranged on one end of the second clamping piece by first shaft body;First U-shaped groove is opened on the first clamping piece, and second U-shaped groove is opened on the second clamping piece;When the second clamping piece is rotated to the folding position, the hole for the pipe body to extend is formed between the first U-shaped groove and the second U-shaped groove;First clamping gap for clamping the annular flange and the baffle is formed between the two side walls of the first groove, and second clamping gap for clamping the annular flange and the baffle is formed between the two side walls of the second groove;When the second clamping piece is rotated to the open position, the inner wall between the first U-shaped groove and the inner wall between the second U-shaped groove form the gap for taking out.

[0004] The existing flange is connected with pipeline, which may only use simple sealing rubber ring and be sealed and connected by screw, and at the same time, the screw may be arranged around the flange plate to ensure the stability of the contact between the flange and the pipeline, which is very cumbersome when the pipeline needs to be disassembled, and the pipeline and the flange cannot be disassembled conveniently.

[0005] Therefore, a flange device is proposed for the above problems. UTILITY MODEL CONTENTS

[0006] In order to make up for the deficiencies of the prior art, the utility model solves the problem that the flange is connected with the pipeline, which may only use simple sealing rubber ring and be sealed and connected by screw, and at the same time, the screw may be arranged around the flange plate to ensure the stability of the contact between the flange and the pipeline, which is very cumbersome when the pipeline needs to be disassembled, and the pipeline and the flange cannot be disassembled conveniently.

[0007] The utility model discloses a technical scheme that solves its technical problem is adopted: A kind of flange device described in the utility model, including flange positioning assembly, the side of the flange positioning assembly is connected with connecting sealing assembly, and connecting sealing assembly includes connecting pipeline, the outer wall of the connecting pipeline is connected with sealing rubber ring, and the side of the sealing rubber ring is connected with elastic plate, and the other side of the elastic plate is provided with spring, the outside of the spring is equipped with anti-drop sleeve, and the inner wall of the anti-drop sleeve is fixedly connected with lug, the side of the anti-drop sleeve is connected with connector, and the outer wall of the connector is provided with clamping groove.

[0008] Preferably, the connecting pipeline forms a sealing structure with the flange positioning assembly through the sealing rubber ring, and the connecting pipeline and the flange positioning assembly form a clamping structure.

[0009] Preferably, the anti-drop sleeve forms a detachable structure with the connector through the lug and the clamping groove, and the elastic plate forms an elastic structure with the spring and the lug.

[0010] Preferably, the flange device further comprises a flange fixing assembly arranged on the outer wall of the flange positioning assembly, the flange fixing assembly comprises a first clamping sleeve, a rotating shaft is arranged on the top of the first clamping sleeve, the outer wall of the rotating shaft is rotatably connected with a second clamping sleeve, the side of the second clamping sleeve is provided with a fixing bolt, and a sealing layer is arranged in the second clamping sleeve.

[0011] Preferably, the sealing layer is tightly attached to the first clamping sleeve and the second clamping sleeve, the second clamping sleeve forms a rotating structure with the first clamping sleeve through the rotating shaft, and the second clamping sleeve forms a detachable structure with the first clamping sleeve through the fixing bolt.

[0012] Preferably, the flange positioning assembly comprises a first flange plate, the outer wall of the first flange plate is fixedly connected with a positioning pin, the side of the first flange plate is provided with a sealing gasket, and the other side of the sealing gasket is connected with a second flange plate.

[0013] Preferably, the first flange plate forms a clamping structure with the sealing gasket and the second flange plate through the positioning pin, and the first flange plate forms a sealing structure with the second flange plate through the sealing gasket.

[0014] The utility model discloses the beneficial aspect lies in:

[0015] 1. The utility model discloses a connecting sealing assembly is arranged, when connecting pipeline is inserted into flange positioning assembly, sealing rubber ring can provide sealing effect at this time, at this time, connecting pipeline and anti-drop sleeve can be connected by adjusting, that is, connecting pipeline and flange positioning assembly are separated, simple operation, convenient to use.

[0016] 2. The utility model discloses a flange positioning assembly and a flange fixing assembly are arranged, two flanges can be positioned through the positioning pin, the sealing gasket can guarantee the leakproofness between two flanges at this moment, when the flange fixing assembly is fixed on two flanges, the sealing layer in it can guarantee the leakproofness between the flanges too, and when the fixing bolt is disassembled, two flanges can be separated, the practicability of the device is increased. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only is some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0018] Figure 1 It is the whole side view of the three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is the three-dimensional structure schematic diagram of the connecting sealing assembly of the utility model;

[0020] Figure 3 It is the three-dimensional structure schematic diagram of the first flange plate and the connecting pipeline part of the utility model;

[0021] Figure 4 It is the three-dimensional structure schematic diagram of the flange fixing assembly of the utility model;

[0022] Figure 5 It is the three-dimensional structure schematic diagram of the flange positioning assembly of the utility model.

[0023] In the drawing: 1, flange positioning assembly;101, first flange plate;102, positioning pin;103, sealing gasket;104, second flange plate;2, connecting sealing assembly;201, connecting pipeline;202, sealing rubber ring;203, elastic plate;204, spring;205, anti -drop cover;206, lug;207, connecting head;208, slot;3, flange fixing assembly;301, first clamping cover;302, pivot;303, second clamping cover;304, fixing bolt;305, sealing layer. DETAILED DESCRIPTION

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0025] Example 1

[0026] like Figures 1 to 3 As shown, a flange sealing mechanism includes a flange positioning assembly 1, with a connecting sealing assembly 2 connected to the side of the flange positioning assembly 1. The connecting sealing assembly 2 includes a connecting pipe 201, a sealing ring 202, an elastic plate 203, a spring 204, an anti-disengagement sleeve 205, a protrusion 206, a connector 207, and a groove 208. When the connecting pipe 201 is inserted into the flange positioning assembly 1, the sealing ring 202 provides a seal. Adjusting the connecting pipe 201 and the anti-disengagement sleeve 205 allows them to be aligned with the connector 204. 7. The connection is detached. The connecting pipe 201 forms a sealing structure with the flange positioning assembly 1 through the sealing ring 202, and the connecting pipe 201 and the flange positioning assembly 1 form an engaging structure. The anti-detachment sleeve 205 forms a detachable structure with the connector 207 through the protrusion 206, the groove 208, and the elastic plate 203 forms an elastic structure with the protrusion 206 through the spring 204. The two flanges are positioned by the positioning pin 102, and the sealing gasket 103 and the sealing layer 305 ensure the sealing performance, which increases the practicality of the device.

[0027] like Figure 1 , Figure 4 and Figure 5As shown, a flange device, comprising a flange fixing assembly 3 arranged on the outer wall of a flange positioning assembly 1, the flange fixing assembly 3 comprising a first clamping sleeve 301, a rotating shaft 302, a second clamping sleeve 303, a fixing bolt 304, and a sealing layer 305, the flange positioning assembly 1 comprising a first flange plate 101, a positioning pin 102, a sealing gasket 103, and a second flange plate 104, the two flange plates are positioned by the positioning pin 102, the sealing gasket 103 and the sealing layer 305 ensure the sealing property, the sealing layer 305 is tightly arranged between the first clamping sleeve 301 and the second clamping sleeve 303, the second clamping sleeve 303 forms a rotating structure with the first clamping sleeve 301 through the rotating shaft 302, and the second clamping sleeve 303 forms a detachable structure with the first clamping sleeve 301 through the fixing bolt 304, the first flange plate 101 forms a clamping structure with the sealing gasket 103 and the second flange plate 104 through the positioning pin 102, and the first flange plate 101 forms a sealing structure with the second flange plate 104 through the sealing gasket 103; the two flange plates can be positioned by the positioning pin 102, at this time the sealing gasket 103 can ensure the sealing property between the two flange plates, at the same time when the flange fixing assembly 3 is fixed on the two flange plates, the sealing layer 305 in the flange fixing assembly 3 can also ensure the sealing property between the flange plates, and when the fixing bolt 304 is detached, the two flange plates can be separated, thereby increasing the practicability of the device.

[0028] Working principle: first, insert the connecting pipe 201 into the first flange plate 101, and rotate the connecting pipe 201 just before complete insertion, since the connecting pipe 201 is fixedly connected with the anti-dropping sleeve 205, at this time it is rotated, thereby aligning the protrusion 206 on the inner wall of the anti-dropping sleeve 205 with the clamping groove 208 on the connecting head 207, when the protrusion 206 is clamped in the clamping groove 208, the anti-dropping sleeve 205 and the connecting head 207 can be connected and fixed, at this time the connecting pipe 201 is also completely inserted into the first flange plate 101, at this time the sealing rubber ring 202 can provide the sealing property between the connecting pipe 201 and the flange plate;

[0029] Then, the connecting pipe 201 on the other side of the flange positioning assembly 1 is also connected, the positioning pin 102 on the side of the first flange plate 101 is inserted into the sealing gasket 103 and the second flange plate 104 respectively, at the same time, the first clamping sleeve 301 is sleeved on the outer wall of the two flange plates, at the same time the second clamping sleeve 303 is rotated, so that the first clamping sleeve 301 and the second clamping sleeve 303 completely nest the two flange plates, at this time the fixing bolt 304 is tightened, thereby fixing the first clamping sleeve 301 and the second clamping sleeve 303, thereby ensuring the stability of the connection of the two flange plates, and the sealing layer 305 in the first clamping sleeve 301 and the second clamping sleeve 303 can also ensure the sealing property between the two flange plates.

[0030] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A flange sealing mechanism, characterized by: Including the flange positioning assembly (1), the side of the flange positioning assembly (1) is connected with the connecting sealing assembly (2), and the connecting sealing assembly (2) comprises a connecting pipeline (201), the outer wall of the connecting pipeline (201) is clamped with a sealing rubber ring (202), and the side of the sealing rubber ring (202) is connected with an elastic plate (203), and the other side of the elastic plate (203) is provided with a spring (204), the outer part of the spring (204) is provided with an anti-off sleeve (205), and the inner wall of the anti-off sleeve (205) is fixedly connected with a protruding block (206), the side of the anti-off sleeve (205) is connected with a connecting head (207), and the outer wall of the connecting head (207) is provided with a clamping groove (208).

2. A flange sealing mechanism according to claim 1, wherein: The connecting pipeline (201) is sealed with the flange positioning assembly (1) through the sealing rubber ring (202), and the connecting pipeline (201) and the flange positioning assembly (1) form a clamping structure.

3. A flange sealing mechanism according to claim 1, wherein: The anti-off sleeve (205) is detachable with the connecting head (207) through the protruding block (206) and the clamping groove (208), and the elastic plate (203) is elastic with the protruding block (206) through the spring (204).

4. A flange arrangement as claimed in any one of claims 1 to 3, wherein: The flange fixing assembly (3) is arranged on the outer wall of the flange positioning assembly (1), the flange fixing assembly (3) comprises a first clamping sleeve (301), the top of the first clamping sleeve (301) is provided with a rotating shaft (302), the outer wall of the rotating shaft (302) is rotatably connected with a second clamping sleeve (303), the side of the second clamping sleeve (303) is provided with a fixing bolt (304), and the inside of the second clamping sleeve (303) is provided with a sealing layer (305).

5. A flange assembly according to claim 4, wherein: The sealing layer (305) is tightly arranged between the first clamping sleeve (301) and the second clamping sleeve (303), the second clamping sleeve (303) is rotatable with the first clamping sleeve (301) through the rotating shaft (302), and the second clamping sleeve (303) is detachable with the first clamping sleeve (301) through the fixing bolt (304).

6. A flange assembly as claimed in claim 4, wherein: The flange positioning assembly (1) comprises a first flange plate (101), the outer wall of the first flange plate (101) is fixedly connected with a positioning pin (102), the side of the first flange plate (101) is provided with a sealing gasket (103), and the other side of the sealing gasket (103) is connected with a second flange plate (104).

7. A flange assembly according to claim 6, wherein: The first flange plate (101) is clamped with the sealing gasket (103) and the second flange plate (104) through the positioning pin (102), and the first flange plate (101) is sealed with the second flange plate (104) through the sealing gasket (103).

Citation Information

Patent Citations

  • Flange sealing mechanism and sealable flange device

    CN220506153U