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CN-224201347-U - Internal expansion type sealing plug

CN224201347UCN 224201347 UCN224201347 UCN 224201347UCN-224201347-U

Abstract

The utility model discloses an internal expansion type sealing plug which comprises a mounting plate, a first extrusion plate and a second extrusion plate, wherein convex structures protruding outwards are respectively arranged on the left side and the right side of the mounting plate, rubber rings are fixedly sleeved on the outer peripheral surface of each convex structure, the inside of each rubber ring is hollow, the first extrusion plate and the second extrusion plate are respectively arranged on the left side and the right side of the mounting plate, grooves matched with the convex structures are respectively arranged on one side facing the mounting plate, the convex structures on the two sides of the mounting plate respectively slide and extend into the grooves of the first extrusion plate and the second extrusion plate, and a plurality of annular distributed sliding holes are respectively arranged on the two sides of the mounting plate facing the grooves. The utility model skillfully combines the mechanisms such as the rubber ring, the extrusion disc and the like to realize the pipeline plugging effect, has simple and clear structural design, is convenient to use, remarkably reduces the production and maintenance cost, and has good market popularization and application values.

Inventors

  • DIAO TINGTING

Assignees

  • 易艾斯流体控制(苏州)有限公司

Dates

Publication Date
20260505
Application Date
20250120

Claims (6)

  1. 1. The inner expansion type sealing plug comprises a mounting disc (1), a first extrusion disc (2) and a second extrusion disc (7), and is characterized in that the left side and the right side of the mounting disc (1) are respectively provided with convex structures protruding outwards, rubber rings (13) are fixedly sleeved on the outer peripheral surface of each convex structure, the inside of each rubber ring (13) is hollow, the first extrusion disc (2) and the second extrusion disc (7) are respectively arranged on the left side and the right side of the mounting disc (1), grooves matched with the convex structures are respectively formed in one side of the mounting disc (1), the convex structures on the two sides of the mounting disc (1) are respectively and slidably extended into the grooves of the first extrusion disc (2) and the second extrusion disc (7), a plurality of sliding holes distributed annularly are respectively formed in the two sides of the mounting disc (1) towards the grooves, the sliding holes are transversely arranged, guide rods (5) are slidably inserted in the inner side walls of the sliding holes, one ends of the guide rods (5) penetrate through the sliding holes and are fixedly connected with the inner side wall pressing discs of the grooves, one ends of the guide rods (5) are fixedly connected with the first extrusion disc (2) far away from the first end (3) and are connected with the first screw (3) through the first end (3) which is inserted into the first end (1), the novel sliding block type hydraulic machine is characterized in that the first locking screw (3) is rotationally connected with the first extrusion disc (2), a second locking screw (10) is transversely inserted into one side, far away from the installation disc (1), of the second extrusion disc (7), a sealing gasket (11) is sleeved on the second locking screw (10), one side of the sealing gasket (11) is abutted against the outer side wall of the second extrusion disc (7), one end of the second locking screw (10) penetrates through the second extrusion disc (7) and is sleeved with a sliding block (8), the sliding block (8) is in threaded connection with the second locking screw (10), a sliding groove corresponding to the sliding block (8) is formed in one side, facing the second extrusion disc (7), of the installation disc (1) is slidingly extended into the sliding groove, and is fixedly connected with a spring (9), and one end, far away from the sliding block (8), of the spring (9) is fixedly connected with the inner side wall of the sliding groove.
  2. 2. The internal expanding type sealing plug according to claim 1, wherein the first locking screw (3) is sleeved with a locking washer (4), and one side of the locking washer (4) is abutted against the outer side wall of the first extrusion disc (2).
  3. 3. The internal expanding type sealing plug of claim 1, wherein the guide rod (5) is fixedly sleeved with a fixing ring (12), and one side of the fixing ring (12) is fixedly connected with the inner side wall of the groove.
  4. 4. The internal expanding type sealing plug according to claim 1, wherein arc-shaped grooves are formed in two sides of the sliding block (8), balls are connected to the inner side walls of the arc-shaped grooves in a rolling mode, and parts of the balls penetrate through the arc-shaped grooves.
  5. 5. The internal expanding type sealing plug according to claim 1, wherein a semi-annular handle (6) is fixedly connected to one side of the first extrusion disc (2) away from the mounting disc (1).
  6. 6. The internal expanding type sealing plug according to claim 5, wherein a rubber pad is fixedly connected to the inner side wall of the handle (6).

Description

Internal expansion type sealing plug Technical Field The utility model relates to the technical field of plugs, in particular to an internal expansion type sealing plug. Background The internal expansion type sealing plug is a component for realizing sealing by expanding and clinging to the inner wall of a pipeline through an internal mechanism, is simple and convenient to install and high in adaptability, can be used for pipelines made of various materials, effectively prevents fluid leakage, and plays an important role in a plurality of industries such as petrochemical industry, food processing, pharmacy and the like by virtue of excellent sealing performance and wide application fields. The prior patent with the application number of CN202322196452.9 provides an internal expansion type sealing plug, which comprises an expansion component, wherein a sealing ring is arranged on one side of the expansion component, and a first locking piece and a second locking piece are arranged on the other side of the expansion component; Although the internal expansion seal plug presented by the reference has several significant advantages, the complexity of its structural design results in relatively high production and maintenance costs, which limits to some extent its potential for wide application and marketing. Disclosure of utility model The utility model aims to solve the problems in the background art and provides an internal expansion type sealing plug. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The inner expansion type sealing plug comprises a mounting disc, a first extrusion disc and a second extrusion disc, wherein the left side and the right side of the mounting disc are respectively provided with a convex structure protruding outwards, the outer peripheral surface of each convex structure is fixedly sleeved with a rubber ring, the inside of the rubber ring is hollow, the first extrusion disc and the second extrusion disc are respectively arranged on the left side and the right side of the mounting disc, grooves matched with the convex structure are respectively formed in one side of the mounting disc, the convex structures on the two sides of the mounting disc respectively slide and extend into the grooves of the first extrusion disc and the second extrusion disc, the two sides of the mounting disc, which are towards the grooves, are respectively provided with a plurality of sliding holes distributed in a ring shape, the sliding holes are transversely arranged, guide rods are inserted on the inner side walls of the sliding holes in a sliding way, one end of each guide rod penetrates through the sliding holes and is fixedly connected with the inner side walls of the grooves, one side, which is far away from the mounting disc, of each first extrusion disc is transversely inserted with a first locking screw, one end of each first locking screw penetrates through the first extrusion disc and is inserted into the mounting disc, the first extrusion disc is connected with the corresponding sliding groove, the sliding block is connected with one side, which is rotatably connected with the corresponding sliding block, and is rotatably connected with one side of the sliding block, and is rotatably connected with the sliding block, and the sliding block is rotatably connected with one side of the sliding block, one end of the spring far away from the sliding block fixedly connected with the inner side wall of the chute. Preferably, a lock washer is sleeved on the first locking screw, and one side of the lock washer abuts against the outer side wall of the first extrusion plate. Preferably, the guide rod is fixedly sleeved with a fixing ring, and one side of the fixing ring is fixedly connected with the inner side wall of the groove. Preferably, both sides of the sliding block are provided with arc grooves, the inner side walls of the arc grooves are connected with balls in a rolling way, and parts of the balls penetrate through the arc grooves. Preferably, a semi-annular handle is fixedly connected to one side of the first extrusion disc, which is far away from the mounting disc. Preferably, a rubber pad is fixedly connected to the inner side wall of the handle. Compared with the prior art, the utility model has the following beneficial effects: 1. The utility model realizes effective blocking of the inside of the pipeline through the ingenious combination of the first locking screw, the first extrusion disc, the guide rod and the rubber ring, and meanwhile, the structure is convenient to detach, the design is simple and practical, and the production and maintenance cost is effectively reduced; 2. The utility model further enhances the plugging effect of the inside of the pipeline and remarkably improves the practical performance of the pipeline through the integrated design of the second extrusion disc, the rubber ring, the second locking screw, the slidin