Leakage-proof flange plate

Abstract

The utility model relates to the technical field of flange plates and discloses a leakage-proof flange plate which comprises a flange plate body, a connecting pipe is integrally machined at the top of the flange plate body, a first rubber ring is buckled on the outer side of the connecting pipe, an annular plate is arranged at the top of the flange plate body, and a connecting plate is fixedly arranged at the bottom of the annular plate. The annular plate is arranged at the top of the flange plate body, the connecting plate is in threaded connection with the top of the flange plate body, the rubber air cushion is arranged at the top of the flange plate body and located between the annular plate and the connecting pipe, and the sealing structure is arranged at the bottom of the flange plate body. The first rubber ring on the outer side of the connecting pipe can seal the position between the pipeline and the connecting pipe, meanwhile, the pipeline can extrude the rubber air cushion, the rubber air cushion deforms, and therefore the pipeline is wrapped and sealed, the connecting sealing performance is improved, and leakage is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of flanges, in particular to a leak-proof flange. Background Art

[0002] Flange is a general term for a disc-like metal body with several fixed holes opened around it for connecting other things. It is widely used in machinery because of its various looks. As long as it looks like a disc, it is called a flange. Flange is a disc-shaped part and is most common in pipeline engineering. Flanges are used in pairs. The current flange structure is relatively simple, and it is easy to cause leakage during long-term use and disassembly. For this reason, a leak-proof flange is proposed. Utility Model Content

[0003] The utility model aims to provide a leakproof flange to solve the problem that the current flange structure is relatively simple and is prone to leakage during long-term use and disassembly.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a leak-proof flange, comprising a flange body, a connecting pipe is integrally processed on the top of the flange body, a first rubber ring is buckled on the outer side of the connecting pipe, an annular plate is arranged on the top of the flange body, a connecting plate is fixedly arranged on the bottom of the annular plate, the connecting plate is threadedly connected to the top of the flange body, a rubber air cushion is arranged on the top of the flange body and the rubber air cushion is located between the annular plate and the connecting pipe, and a sealing structure is arranged on the bottom of the flange body.

[0005] Preferably, the sealing structure includes an annular connecting gasket, which is embedded in the bottom of the flange body, and the bottom of the annular connecting gasket is integrally processed with a second rubber ring and the second rubber ring is located at the bottom of the flange body, the inner wall of the flange body is threadedly connected to two bolts and the bolts pass through the annular connecting gasket, and a sealing gasket is arranged at the bottom of the flange body.

[0006] Preferably, a groove is formed on the outer side of the connecting pipe, and the first rubber ring is embedded in the groove.

[0007] Preferably, an annular thread groove is provided on the top of the flange body, and the size of the connecting plate is adapted to the annular thread groove.

[0008] Preferably, a plug-in groove is provided at the bottom of the flange body, and the annular connecting gasket is inserted into the plug-in groove.

[0009] Preferably, a threaded hole is provided on the inner wall of the flange body, and the bolt is threadedly connected to the flange body through the threaded hole.

[0010] Preferably, the second rubber ring is processed into a cone shape.

[0011] Compared with the prior art, the utility model adopts the above technical solution and has the following technical effects:

[0012] The utility model provides a first rubber ring, an annular plate, a connecting plate, a rubber air cushion and a second rubber ring. When in use, an external pipeline is connected to a connecting pipe. The first rubber ring on the outside of the connecting pipe will seal it. At the same time, the pipeline will squeeze the rubber air cushion, and the rubber air cushion will deform to wrap one end of the pipeline. When the two flange bodies are connected, the two second rubber rings will be squeezed and adsorbed together, thereby sealing and avoiding leakage at the connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 It is a side view structural schematic diagram of the utility model;

[0016] Figure 3 It is a cross-sectional structural schematic diagram of the utility model;

[0017] Figure 4 For the utility model Figure 1 Schematic diagram of the enlarged structure of A.

[0018] Explanation of the accompanying drawings: 1. Flange body; 2. Connecting pipe; 3. First rubber ring; 4. Annular plate; 5. Connecting plate; 6. Rubber air cushion; 7. Annular connecting pad; 8. Second rubber ring; 9. Bolt; 10. Sealing pad. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0021] Example

[0022] In the prior art, the current flange structure is relatively simple, and is prone to leakage during long-term use and disassembly.

[0023] See also Figure 1-4 The utility model provides a technical solution: a leak-proof flange, comprising a flange body 1, a connecting pipe 2 is integrally processed on the top of the flange body 1, a first rubber ring 3 is buckled on the outer side of the connecting pipe 2, an annular plate 4 is arranged on the top of the flange body 1, a connecting plate 5 is fixedly arranged on the bottom of the annular plate 4, the connecting plate 5 is threadedly connected to the top of the flange body 1, a rubber air cushion 6 is arranged on the top of the flange body 1 and the rubber air cushion 6 is between the annular plate 4 and the connecting pipe 2, a sealing structure is arranged on the bottom of the flange body 1, when in use, the annular plate 4 is installed on the top of the flange body 1 through the connecting plate 5, and then the external pipeline is connected to the connecting pipe 2, the first rubber ring 3 on the outer side of the connecting pipe 2 will seal between the pipeline and the connecting pipe 2, and at the same time the pipeline will squeeze the rubber air cushion 6 to deform the rubber air cushion 6, thereby wrapping and sealing the pipeline, improving the sealing of the connection, and avoiding leakage.

[0024] The sealing structure includes an annular connection gasket 7, which is embedded in the bottom of the flange body 1. The bottom of the annular connection gasket 7 is integrally processed with a second rubber ring 8 and the second rubber ring 8 is at the bottom of the flange body 1. The inner wall of the flange body 1 is threadedly connected with two bolts 9 and the bolts 9 pass through the annular connection gasket 7. A sealing gasket 10 is provided at the bottom of the flange body 1. When in use, the second rubber ring 8 is installed on the bottom of the flange body 1 through the annular connection gasket 7, and then the bolts 9 are connected to the flange body 1 to fix the second rubber ring 8. When the two flanges are connected, the two second rubber rings 8 will seal the connection to avoid leakage at the connection and improve the sealing performance.

[0025] A groove is provided on the outer side of the connecting pipe 2 , and the first rubber ring 3 is embedded in the groove, so that the first rubber ring 3 can be easily disassembled and assembled, thereby being sealed by the first rubber ring 3 .

[0026] An annular thread groove is provided on the top of the flange body 1 , and the size of the connecting plate 5 is adapted to the annular thread groove. The annular plate 4 is installed on the top of the flange body 1 through the connecting plate 5 .

[0027] A plug-in groove is provided at the bottom of the flange body 1 , and the annular connection gasket 7 is inserted into the plug-in groove. The second rubber ring 8 is installed on the bottom of the flange body 1 through the annular connection gasket 7 .

[0028] The inner wall of the flange body 1 is provided with a threaded hole, and the bolts 9 are threadedly connected to the flange body 1 through the threaded hole, and the annular connection gasket 7 is limited and fixed by the bolts 9.

[0029] The second rubber ring 8 is processed into a cone shape, and the two flange connections are sealed by the second rubber ring 8 to avoid leakage.

[0030] Working principle or structural principle, when in use, install the first rubber ring 3 on the outside of the connecting pipe 2, then install the annular plate 4 on the top of the flange body 1 through the connecting plate 5, place the rubber air cushion 6 between the annular plate 4 and the connecting pipe 2, and then connect the external pipe to the connecting pipe 2. The first rubber ring 3 on the outside of the connecting pipe 2 will seal it, and at the same time the pipe will squeeze the rubber air cushion 6, and the rubber air cushion 6 will deform and wrap one end of the pipe, thereby improving the connection sealing and avoiding leakage. Then, install the second rubber ring 8 on the bottom of the flange body 1 through the annular connecting pad 7. When the two flange bodies 1 are connected, the two second rubber rings 8 will be squeezed and adsorbed together to seal and avoid leakage at the connection.

[0031] Those skilled in the art will appreciate that the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways without departing from the spirit and teachings of the present invention. All of these combinations and / or combinations fall within the scope of the present invention.

Claims

1. A leakproof flange, comprising a flange body (1), characterized in that: The top of the flange body (1) is integrally processed with a connecting pipe (2), the outer side of the connecting pipe (2) is buckled with a first rubber ring (3), the top of the flange body (1) is provided with an annular plate (4), the bottom of the annular plate (4) is fixedly provided with a connecting plate (5), the connecting plate (5) is threadedly connected to the top of the flange body (1), the top of the flange body (1) is provided with a rubber air cushion (6) and the rubber air cushion (6) is located between the annular plate (4) and the connecting pipe (2), and the bottom of the flange body (1) is provided with a sealing structure.

2. A leakproof flange according to claim 1, characterized in that: The sealing structure comprises an annular connection gasket (7), wherein the annular connection gasket (7) is embedded in the bottom of the flange body (1), a second rubber ring (8) is integrally processed at the bottom of the annular connection gasket (7) and the second rubber ring (8) is located at the bottom of the flange body (1), two bolts (9) are threadedly connected to the inner wall of the flange body (1) and the bolts (9) pass through the annular connection gasket (7), and a sealing gasket (10) is arranged at the bottom of the flange body (1).

3. The leakproof flange according to claim 1, characterized in that: The outer side of the connecting pipe (2) is provided with a groove, and the first rubber ring (3) is embedded in the groove.

4. The leakproof flange according to claim 1, characterized in that: An annular thread groove is formed on the top of the flange body (1), and the size of the connecting plate (5) is adapted to the annular thread groove.

5. The leakproof flange according to claim 2, characterized in that: The bottom of the flange body (1) is provided with an inserting groove, and the annular connecting gasket (7) is inserted into the inserting groove.

6. The leakproof flange according to claim 2, characterized in that: The inner wall of the flange body (1) is provided with a threaded hole, and the bolt (9) is threadedly connected to the flange body (1) through the threaded hole.

7. The leakproof flange according to claim 2, characterized in that: The second rubber ring (8) is processed into a cone shape.

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