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CN-224229246-U - Wear part adjustable mechanical seal structure

CN224229246UCN 224229246 UCN224229246 UCN 224229246UCN-224229246-U

Abstract

The utility model discloses a mechanical seal structure with an adjustable wear part, and relates to the technical field of mechanical seal. The utility model comprises a movable ring seat, wherein the right side of the movable ring seat is in sliding connection with a movable ring, the left side of the movable ring seat is fixedly connected with a plurality of positioning shafts, the right side of the movable ring seat is provided with a plurality of positioning holes, the outer surface of each positioning shaft is inserted into the corresponding positioning hole, the inside of the movable ring is fixedly connected with a movable ring auxiliary sealing ring, and the left side surface of the movable ring is contacted with an adjusting ring. According to the utility model, by arranging the springs, particularly the matching of the movable ring and the static ring becomes critical, a layer of stable liquid film is formed between the movable ring and the static ring, so that the sealing effect is realized, the elastic force accumulated by the springs always acts on the adjusting ring in the whole working process, the end face of the movable ring and the end face of the static ring are always tightly attached together, the sealing effect is enhanced, and the problem of sealing failure caused by abrasion is avoided to a certain extent.

Inventors

  • Lang Xubo

Assignees

  • 浙江甬尚科技有限公司

Dates

Publication Date
20260512
Application Date
20250619

Claims (7)

  1. 1. The mechanical seal structure with the adjustable wear part is characterized by comprising a movable ring seat (1), wherein the movable ring seat (1) is connected with a movable ring (11) in a sliding way at the right side; the novel movable ring is characterized in that a plurality of positioning shafts (111) are fixedly connected to the left side of the movable ring (11), a plurality of positioning holes (112) are formed in the right side of the movable ring seat (1), the outer surface of the positioning shafts (111) is connected with the inner portion of the positioning holes (112) in an inserting mode, a movable ring auxiliary sealing ring (114) is fixedly connected to the inner portion of the movable ring (11), an adjusting ring (117) is in contact with the left side surface of the movable ring (11), a plurality of limiting blocks II (172) are fixedly connected to the outer surface of the adjusting ring (117), a plurality of sliding grooves (171) are formed in the inner wall of the movable ring seat (1), a plurality of springs (116) are arranged on the left side of the adjusting ring (117), a plurality of cylinders (161) are fixedly connected to the outer surface of the springs (115) and the inner wall of the movable ring seat (1), and the outer surface of the cylinders (161) are in sliding connection with the inner wall of the adjusting ring (117).
  2. 2. The mechanical seal structure with the adjustable wear part according to claim 1, wherein a plurality of limit grooves (131) are formed in the right side of the inner wall of the movable ring seat (1), and the limit grooves (131) are arranged in a semicircular shape.
  3. 3. The mechanical seal structure with the adjustable wear part according to claim 2, wherein a plurality of first limiting blocks (113) are fixedly connected to the left side of the outer surface of the movable ring (11), the first limiting blocks (113) are arranged in a semicircular mode, and the outer surface of the first limiting blocks (113) is inserted into the limiting grooves (131).
  4. 4. A wear part adjustable mechanical seal structure according to claim 3, wherein a stationary ring (12) is connected to the right side of the moving ring (11), and a stationary ring seat (2) is inserted to the outer surface of the stationary ring (12).
  5. 5. The mechanical seal structure with the adjustable wear part according to claim 4, wherein a first sealing ring (121) is contacted with the inner wall of the static ring seat (2), the inner side of the first sealing ring (121) is contacted with the outer surface of the static ring (12), and a second sealing ring (122) is arranged on the left side of the first sealing ring (121).
  6. 6. The mechanical seal structure with adjustable wear parts according to claim 5, wherein the inner side of the second sealing ring (122) is fixedly connected with the outer surface of the stationary ring (12), and the inner wall of the stationary ring (12) is fixedly connected with a stationary ring auxiliary sealing ring (123).
  7. 7. The wear part adjustable mechanical seal structure according to claim 6, wherein a plurality of anti-rotation holes (22) are formed in the right side surface of the stationary ring (12), a plurality of anti-rotation pins (21) are inserted into the inner walls of the anti-rotation holes (22), and the right sides of the plurality of anti-rotation pins (21) are fixedly connected with the left inner wall of the stationary ring seat (2).

Description

Wear part adjustable mechanical seal structure Technical Field The utility model belongs to the technical field of mechanical sealing, and particularly relates to a mechanical sealing structure with an adjustable wear part. Background At present, the mechanical seal is widely applied to the rotary shaft seal of places such as a transmission pump, a stirring kettle and the like. However, when the device operates, the movable ring is driven, the end face of the movable ring is contacted with the end face of the static ring and generates certain abrasion, after long-time operation, the gap between the two end faces is gradually increased due to the abrasion, the gap is increased, the two end faces are possibly not contacted any more, the liquid film formed by the two end faces is invalid, the medium leaks to the outside to pollute the environment, and potential safety hazards are caused. Disclosure of utility model The utility model aims to provide an adjustable mechanical seal structure of a wear part, by arranging springs, particularly the matching of a movable ring and a static ring becomes critical, a layer of stable liquid film is formed between the movable ring and the static ring, so that a sealing effect is realized, the elastic force accumulated by the springs always acts on an adjusting ring in the whole working process, the end face of the movable ring and the end face of the static ring are always tightly attached together, the tight attachment not only enhances the sealing effect, but also avoids the problem of sealing failure caused by wear to a certain extent, the problems that the movable ring is driven, the end face of the movable ring is contacted with the end face of the static ring and generates certain wear are solved, after long-time working, due to wear, the gap between the two end faces gradually increases, the gap becomes larger, the two end faces are possibly not contacted any more, the liquid film formed by the two end faces is invalid, and a medium leaks to the external polluted environment are solved. In order to solve the technical problems, the utility model is realized by the following technical scheme: The utility model relates to a mechanical seal structure with an adjustable wear part, which comprises a movable ring seat, wherein the right side of the movable ring seat is in sliding connection with a movable ring; The fixed ring is characterized in that a plurality of positioning shafts are fixedly connected to the left side of the movable ring seat, a plurality of positioning holes are formed in the right side of the movable ring seat, the outer surface of the positioning shafts is inserted into the positioning holes, a movable ring auxiliary sealing ring is fixedly connected to the inner side of the movable ring, an adjusting ring is in contact with the left side of the movable ring, a plurality of limiting blocks are fixedly connected to the outer surface of the adjusting ring, a plurality of sliding grooves are formed in the inner wall of the movable ring seat, a plurality of springs are arranged on the left side of the springs, a spring seat is fixedly connected to the outer surface of the spring seat, a plurality of cylinders are fixedly connected to the right side of the spring seat, the outer surface of each cylinder is in sliding connection with the inner wall of the adjusting ring, the elastic force accumulated by the springs can act on the adjusting ring all the time, the end surface of the movable ring and the end surface of the static ring are tightly attached together all the time, the sealing effect is enhanced, and the problem of sealing failure caused by abrasion is avoided to a certain extent. Further, a plurality of spacing groove has been seted up on moving ring seat inner wall right side, the spacing groove is semicircle form setting, moving ring surface left side fixedly connected with a plurality of stopper first, stopper first is semicircle form setting, stopper first surface is pegged graft with spacing inslot portion, moving ring right side contact has quiet ring, quiet ring surface pegging graft has quiet ring seat, and the setting of spacing groove has reduced the shake that rotates to a great extent, has further guaranteed moving ring stability in the rotation in-process. Further, still ring seat inner wall contact has sealing washer one, sealing washer one inboard and quiet ring surface contact, sealing washer one left side is provided with sealing washer two, sealing washer two inboard and quiet ring surface fixed connection, quiet ring inner wall fixedly connected with quiet ring auxiliary seal circle, a plurality of rotation preventing hole has been seted up on quiet ring right side surface, rotation preventing hole inner wall peg graft have a plurality of rotation preventing pin, a plurality of rotation preventing pin right side and quiet ring seat left side inner wall fixed connection, the rotatory improper area sound ring of rotary motion o