Novel plastic lap joint flange

Abstract

The utility model discloses a novel plastic lap joint flange which comprises a flange ring, the upper end of the flange ring is fixedly connected with a connecting convex ring, the upper end of the flange ring is fixedly connected with a fixing ring, the side wall of the fixing ring is fixedly connected with a plurality of fixing blocks, and threaded sleeves are arranged in the fixing blocks. A threaded rod is in threaded connection with the interior of the threaded sleeve, a bearing is fixedly connected to one side of the threaded rod, an extrusion block is fixedly connected to one side of the bearing, an annular groove is formed in the bottom of the flange ring, a sealing gasket is arranged in the annular groove, and a plurality of fixing grooves are formed in the side wall of the sealing gasket. And a mounting groove is formed in one side of the annular groove, a spring is fixedly connected to the interior of the mounting groove, and a fixing protruding block is fixedly connected to one end of the spring. And by arranging an annular groove, a mounting groove, a spring, a fixing convex block and a fixing groove, the sealing gasket is convenient to disassemble and assemble, and then the sealing gasket is convenient to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of flanges, in particular to a novel plastic slip-on flange. Background Art

[0002] Plastic slip-on flanges are mostly used for connection structures between pipe ends. When plastic slip-on flanges in existing technologies are connected and installed, the fitting surface is smooth, which makes the sealing structure difficult to fit and install, greatly affecting the sealing effect. In addition, the sealing gasket is mostly connected to the flange by bolts, which makes it inconvenient to disassemble and replace. Utility Model Content

[0003] The purpose of the utility model is to provide a novel plastic slip-on flange, which can facilitate the disassembly and assembly of the sealing gasket through the ring groove, the installation groove, the spring, the fixing protrusion and the fixing groove, and thus facilitate the replacement of the sealing gasket.

[0004] To achieve the above-mentioned purpose, a new type of plastic slip-on flange is provided, comprising a flange ring, the upper end of the flange ring is fixedly connected to a connecting convex ring, the upper end of the flange ring is fixedly connected to a fixing ring, the side wall of the fixing ring is fixedly connected to a plurality of fixing blocks, a threaded sleeve is provided inside the fixing block, the internal thread of the threaded sleeve is threadedly connected to a threaded rod, one side of the threaded rod is fixedly connected to a bearing, and one side of the bearing is fixedly connected to an extrusion block;

[0005] A ring groove is provided at the bottom of the flange ring, a sealing gasket is provided inside the ring groove, a plurality of fixing grooves are provided on the side wall of the sealing gasket, a mounting groove is provided on one side of the ring groove, a spring is fixedly connected inside the mounting groove, and a fixing protrusion is fixedly connected to one end of the spring.

[0006] According to the novel plastic slip-on flange, a rotating handle is fixedly connected to one side of the threaded rod.

[0007] According to the novel plastic slip-on flange, the threaded rod passes through the fixing ring.

[0008] According to the novel plastic slip-on flange, the fixing groove is a "hemispherical groove".

[0009] According to the novel plastic slip-on flange, the fixing protrusion is a "hemispherical body".

[0010] According to the novel plastic slip-on flange, the sealing gasket is clamped with the flange ring through the mounting groove, the spring, the fixing protrusion and the fixing groove.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] The novel plastic slip-on flange is provided with a ring groove, an installation groove, a spring, a fixing protrusion and a fixing groove, so that the sealing gasket can be easily disassembled and assembled, and thus easily replaced.

[0013] The novel plastic slip-on flange is provided with a fixing ring, a fixing block, a threaded sleeve, a threaded rod, a bearing and an extrusion block, so as to extrude and fix the pipeline, thereby facilitating the installation of the pipeline.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a three-dimensional diagram of a new type of plastic slip-on flange of the utility model;

[0017] Figure 2 This is a schematic diagram of the installation structure of an extrusion block of a new type of plastic slip-on flange of the utility model;

[0018] Figure 3 This is a schematic diagram of the bottom structure of the flange ring of a new type of plastic slip-on flange of the utility model;

[0019] Figure 4 This is a cross-sectional view of a flange ring and a sealing gasket of a new type of plastic slip-on flange of the present invention.

[0020] In the figure: 1. Flange ring; 2. Connecting convex ring; 3. Fixing ring; 4. Fixing block; 5. Threaded sleeve; 6. Threaded rod; 7. Rotating handle; 8. Bearing; 9. Extrusion block; 10. Ring groove; 11. Sealing gasket; 12. Fixing groove; 13. Mounting groove; 14. Spring; 15. Fixing convex block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the utility model.

[0022] See also Figure 1-4The embodiment of the utility model provides a technical solution: a new type of plastic slip-on flange, including a flange ring 1, the upper end of the flange ring 1 is fixedly connected to a connecting convex ring 2, the upper end of the flange ring 1 is fixedly connected to a fixing ring 3, the side wall of the fixing ring 3 is fixedly connected to a plurality of fixing blocks 4, a threaded sleeve 5 is provided inside the fixing block 4, the internal thread of the threaded sleeve 5 is connected to a threaded rod 6, one side of the threaded rod 6 is fixedly connected to a bearing 8, and one side of the bearing 8 is fixedly connected to an extrusion block 9. By arranging the fixing ring 3, the fixing block 4, the threaded sleeve 5, the threaded rod 6, the bearing 8, and the extrusion block 9, the pipeline is extruded and fixed, which facilitates the installation of the pipeline;

[0023] A ring groove 10 is provided at the bottom of the flange ring 1, a sealing gasket 11 is provided inside the ring groove 10, a plurality of fixing grooves 12 are provided on the side wall of the sealing gasket 11, a mounting groove 13 is provided on one side of the ring groove 10, a spring 14 is fixedly connected to the inside of the mounting groove 13, and a fixing protrusion 15 is fixedly connected to one end of the spring 14. By providing the ring groove 10, the mounting groove 13, the spring 14, the fixing protrusion 15 and the fixing groove 12, the disassembly and assembly of the sealing gasket 11 is facilitated, and thus the replacement thereof is facilitated.

[0024] A rotating handle 7 is fixedly connected to one side of the threaded rod 6 to facilitate the rotation of the threaded rod 6. The threaded rod 6 passes through the fixing ring 3. The fixing groove 12 is a "hemispherical groove", and the fixing protrusion 15 is a "hemispherical body". The sealing gasket 11 is clamped to the flange ring 1 through the mounting groove 13, spring 14, fixing protrusion 15, and fixing groove 12.

[0025] When the pipe is installed, the pipe is inserted into the surface of the connecting convex ring 2. At this time, the pipe is located inside the fixing ring 3. The rotating handle 7 is turned, and the rotating handle 7 drives the threaded rod 6 to rotate. The threaded rod 6 moves while rotating in the threaded sleeve 5, thereby driving the extrusion block 9 to move, squeezing and fixing the pipe; when installing the sealing gasket 11, the sealing gasket 11 is stuck in the annular groove 10, and the sealing gasket 11 squeezes the fixing protrusion 15, and the fixing protrusion 15 squeezes the spring 14. The spring 14 is compressed, driving the fixing protrusion 15 to enter the installation groove 13. When the sealing gasket 11 moves to the bottom of the annular groove 10, the spring 14 is reset, driving the fixing protrusion 15 to enter the fixing groove 12, completing the installation. When disassembling, the sealing gasket 11 is pulled out, the sealing gasket 11 squeezes the fixing protrusion 15, and the fixing protrusion 15 squeezes the spring 14. The spring 14 is compressed, driving the fixing protrusion 15 to enter the installation groove 13, and the sealing gasket 11 is released from the restriction. After disassembly, the sealing gasket 11 can be replaced.

[0026] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A novel plastic slip-on flange, comprising a flange ring (1), characterized in that: The upper end of the flange ring (1) is fixedly connected to a connecting convex ring (2), the upper end of the flange ring (1) is fixedly connected to a fixing ring (3), the side wall of the fixing ring (3) is fixedly connected to a plurality of fixing blocks (4), a threaded sleeve (5) is provided inside the fixing block (4), the threaded sleeve (5) is internally threadedly connected to a threaded rod (6), one side of the threaded rod (6) is fixedly connected to a bearing (8), and one side of the bearing (8) is fixedly connected to an extrusion block (9); The bottom of the flange ring (1) is provided with an annular groove (10), a sealing gasket (11) is provided inside the annular groove (10), a side wall of the sealing gasket (11) is provided with a plurality of fixing grooves (12), a mounting groove (13) is provided on one side of the annular groove (10), a spring (14) is fixedly connected inside the mounting groove (13), and a fixing protrusion (15) is fixedly connected to one end of the spring (14).

2. A novel plastic slip-on flange as claimed in claim 1, characterized in that: A rotating handle (7) is fixedly connected to one side of the threaded rod (6).

3. A novel plastic slip-on flange as claimed in claim 1, characterized in that: The threaded rod (6) passes through the fixing ring (3).

4. A novel plastic slip-on flange as claimed in claim 1, characterized in that: The fixing groove (12) is a "hemispherical groove".

5. The novel plastic slip-on flange according to claim 1, characterized in that: The fixed protrusion (15) is a "hemispherical body".

6. The novel plastic slip-on flange according to claim 1, characterized in that: The sealing gasket (11) is clamped to the flange ring (1) via the mounting groove (13), the spring (14), the fixing protrusion (15), and the fixing groove (12).

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