High-sealing corrugated pipe joint easy to replace

Abstract

The utility model discloses a high-sealing corrugated pipe joint easy to replace. The high-sealing corrugated pipe joint comprises a corrugated pipe and a connecting joint, a connecting groove is formed in one end of the corrugated pipe, a connecting joint is arranged on one side of the corrugated pipe, and an auxiliary structure is arranged on the outer side of the connecting joint. A sealing structure is arranged at the joint of the corrugated pipe and the connecting groove, the auxiliary structure comprises a mounting frame, a fixing groove and a mounting block, and the mounting frame is arranged on the outer side of one end of the connecting joint. Through cooperative use of the mounting frame, the fixing groove and the mounting block, the corrugated pipe connector can rotate towards one side after the corrugated pipe and the connector are connected, and through interference clamping of the fixing groove and the mounting block, the mounting block is mounted in the fixing groove, so that the corrugated pipe connector is more convenient to mount, and the service life of the corrugated pipe connector is prolonged. And when replacement is needed, the mounting block is detached from the interior of the fixing groove only by reversing, and the mounting block can be detached, so that the mounting block is more convenient to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of bellows joints, in particular to an easily replaceable high-sealing bellows joint. Background Art

[0002] The bellows joint is a component used to connect the bellows. Its main function is to connect and fix the bellows to ensure the normal operation of the bellows system. The bellows joint can adapt to the deformation under various complex stress environments and has good elasticity and deformation capacity. Pressure resistance and corrosion resistance: The bellows joint needs to have the characteristics of pressure resistance and corrosion resistance to adapt to the complex working environment. However, there are still some problems in the use of traditional bellows joints.

[0003] Traditional bellows joints are generally connected to bellows by clamps or flanges, which results in more steps and troubles during replacement, and water leakage is prone to occur between the bellows joints and the bellows. Therefore, an easy-to-replace high-seal bellows joint is needed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide an easily replaceable high-seal bellows joint, so as to solve the defect that the existing bellows joint is inconvenient to replace during use.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: an easily replaceable high-seal bellows joint, comprising a bellows and a connecting joint; a connecting groove is arranged inside one end of the bellows, a connecting joint is arranged on one side of the bellows, and an auxiliary structure is arranged on the outside of the connecting joint; a sealing structure is arranged at the connection between the bellows and the connecting groove, the auxiliary structure comprises a mounting frame, a fixing groove and a mounting block, and the mounting frame is arranged on the outside of one end of the connecting joint.

[0006] Preferably, a fixing groove is provided inside the bottom end of one side of the mounting frame, the mounting block is arranged on the outside of one end of the corrugated pipe, and the mounting block is inserted into the fixing groove.

[0007] Preferably, the mounting blocks are provided in a plurality of groups, and the mounting blocks in the plurality of groups are distributed in a ring shape on the outer side of one end of the corrugated pipe.

[0008] Preferably, a plurality of the mounting blocks are provided, and interference fit is formed between the plurality of the mounting blocks and the fixing grooves.

[0009] Preferably, the sealing structure includes a sealing ring, a sealing groove, a limiting groove, an extrusion groove, an extrusion ring and an installation groove, the limiting groove is arranged on the outer side of one end of the connecting joint, a sealing ring is arranged on the outer side of the limiting groove, the sealing groove is opened on the inner wall of the connecting groove, the installation groove is opened inside one end of the connecting joint, an extrusion ring is arranged inside the installation groove, and the extrusion groove is opened inside one end of the corrugated pipe.

[0010] Preferably, two groups of the limiting grooves are provided, and the two groups of the limiting grooves are symmetrically distributed on the outer side of one end of the corrugated tube.

[0011] Preferably, one end of the extrusion ring is inserted into the interior of the extrusion groove, and a sealed connection is formed between the extrusion ring and the extrusion groove.

[0012] The utility model provides an easily replaceable high-seal bellows joint, which has the advantages of:

[0013] Through the coordinated use of the mounting frame, the fixing groove and the mounting block, after the bellows and the connecting joint are connected, they can be rotated to one side, and the fixing groove and the mounting block can be interferingly engaged, so that the mounting block can be installed inside the fixing groove, making it more convenient to install. When replacement is needed, it only needs to be reversed to make the mounting block fall off from the inside of the fixing groove, and it can be disassembled, making it more convenient to replace.

[0014] By using the sealing ring, the connection between the connecting joint and the connecting groove can be sealed, and by using the extrusion ring, the connection between the bellows and the connecting joint can be sealed, realizing multi-level sealing, so that the sealing effect is better during connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0016] Figure 2 This is a front view structural schematic diagram of the utility model;

[0017] Figure 3 For the utility model Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0018] Figure 4 This is a schematic diagram of the auxiliary structure of the utility model;

[0019] Figure 5 It is a side view structural schematic diagram of the auxiliary structure of the utility model.

[0020] In the figure: 1. bellows; 2. sealing structure; 201. sealing ring; 202. sealing groove; 203. limiting groove; 204. extrusion groove; 205. extrusion ring; 206. mounting groove; 3. connecting joint; 4. auxiliary structure; 401. mounting frame; 402. fixing groove; 403. mounting block; 5. connecting groove. DETAILED DESCRIPTION

[0021] 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.

[0022] The utility model embodiment provides an easy-to-replace high-seal bellows joint, such as Figure 1-Figure 5 As shown, an easily replaceable high-sealing bellows joint comprises a bellows 1 and a connecting joint 3; a connecting groove 5 is arranged inside one end of the bellows 1, a connecting joint 3 is arranged on one side of the bellows 1, and an auxiliary structure 4 is arranged on the outer side of the connecting joint 3; a sealing structure 2 is arranged at the connection between the bellows 1 and the connecting groove 5.

[0023] In a further preferred embodiment of the present invention, Figure 1-Figure 5 As shown: the sealing structure 2 includes a sealing ring 201, a sealing groove 202, a limiting groove 203, an extrusion groove 204, an extrusion ring 205 and a mounting groove 206. The limiting groove 203 is arranged on the outer side of one end of the connecting joint 3, and a sealing ring 201 is arranged on the outer side of the limiting groove 203. The sealing groove 202 is opened on the inner wall of the connecting groove 5, and the mounting groove 206 is opened inside one end of the connecting joint 3. An extrusion ring 205 is arranged inside the mounting groove 206. The extrusion groove 204 is opened inside one end of the bellows 1. Two groups of limiting grooves 203 are arranged, and the two groups of limiting grooves 203 are symmetrically distributed on the outer side of one end of the bellows 1. One end of the extrusion ring 205 is inserted into the inside of the extrusion groove 204, and a sealed connection is formed between the extrusion ring 205 and the extrusion groove 204.

[0024] Specifically, in this embodiment: when connecting the bellows 1 and the connecting joint 3, the sealing ring 201 is first sleeved on the outside of the limiting groove 203, and the extrusion ring 205 is placed inside the installation groove 206. After the sleeve is completed, one end of the connecting joint 3 is inserted into the inside of the connecting groove 5, so that the sealing ring 201 is stuck in the inside of the sealing groove 202 for the first sealing, and after the connection is completed, one end of the extrusion ring 205 is squeezed into the inside of the extrusion groove 204 to achieve secondary sealing, thereby realizing multi-stage sealing, so that the sealing effect is better.

[0025] In a further preferred embodiment of the present invention, Figure 1-Figure 5 As shown: the auxiliary structure 4 includes a mounting frame 401, a fixing groove 402 and a mounting block 403. The mounting frame 401 is arranged on the outside of one end of the connecting joint 3. A fixing groove 402 is opened inside the bottom end of one side of the mounting frame 401. The mounting block 403 is arranged on the outside of one end of the bellows 1. The mounting block 403 is inserted into the inside of the fixing groove 402. There are several groups of mounting blocks 403. Several groups of mounting blocks 403 are distributed in a ring shape on the outside of one end of the bellows 1. There are several mounting blocks 403. Interference fitting is formed between the several mounting blocks 403 and the fixing groove 402.

[0026] Specifically, in this embodiment, when the connection between the bellows 1 and the connecting joint 3 is completed, hold the connecting joint 3 and rotate it to one side so that the mounting block 403 is inserted into the inside of the fixing groove 402, thereby completing the installation of the bellows 1 and the connecting joint 3. When replacement is needed, it is only necessary to invert the connecting joint 3 so that the mounting block 403 will fall off from the inside of the fixing groove 402 and can be disassembled, making it more convenient to replace.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An easily replaceable high-seal bellows joint, comprising a bellows (1) and a connecting joint (3); Features: A connection groove (5) is provided inside one end of the bellows (1), a connection joint (3) is provided on one side of the bellows (1), and an auxiliary structure (4) is provided on the outside of the connection joint (3); A sealing structure (2) is provided at the connection between the bellows (1) and the connection groove (5); the auxiliary structure (4) comprises a mounting frame (401), a fixing groove (402) and a mounting block (403); the mounting frame (401) is provided on the outside of one end of the connection joint (3).

2. The easily replaceable high-seal bellows joint according to claim 1, characterized in that: A fixing groove (402) is provided inside the bottom end of one side of the mounting frame (401), and the mounting block (403) is arranged on the outside of one end of the corrugated tube (1), and the mounting block (403) is inserted into the fixing groove (402).

3. The easily replaceable high-seal bellows joint according to claim 2, characterized in that: The mounting blocks (403) are provided in a plurality of groups, and the plurality of groups of mounting blocks (403) are distributed in a ring shape on the outside of one end of the corrugated tube (1).

4. The easily replaceable high-seal bellows joint according to claim 1, characterized in that: A plurality of the mounting blocks (403) are provided, and interference fit is formed between the plurality of the mounting blocks (403) and the fixing grooves (402).

5. The easily replaceable high-seal bellows joint according to claim 4, characterized in that: The sealing structure (2) comprises a sealing ring (201), a sealing groove (202), a limiting groove (203), an extrusion groove (204), an extrusion ring (205) and a mounting groove (206); the limiting groove (203) is arranged on the outside of one end of the connecting joint (3); the sealing ring (201) is arranged on the outside of the limiting groove (203); the sealing groove (202) is opened on the inner wall of the connecting groove (5); the mounting groove (206) is opened inside one end of the connecting joint (3); the extrusion ring (205) is arranged inside the mounting groove (206); and the extrusion groove (204) is opened inside one end of the corrugated tube (1).

6. The easily replaceable high-seal bellows joint according to claim 5, characterized in that: Two groups of the limiting grooves (203) are provided, and the two groups of the limiting grooves (203) are symmetrically distributed on the outer side of one end of the corrugated tube (1).

7. The easily replaceable high-seal bellows joint according to claim 5, characterized in that: One end of the extrusion ring (205) is inserted into the interior of the extrusion groove (204), and a sealed connection is formed between the extrusion ring (205) and the extrusion groove (204).

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