CN217328457U

CN217328457U - Mechanical seal assembly easy to assemble and disassemble

Info

Publication number: CN217328457U
Application number: CN202220168922.3U
Authority: CN
Inventors: 杨银广; 王志斌
Original assignee: Dalian Siwei Sealing Equipment Co ltd
Current assignee: Dalian Siwei Sealing Equipment Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-08-30
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a mechanical seal assembly easy to assemble and disassemble, which comprises a rotating shaft, wherein a rotating ring seat is arranged on the rotating shaft through a clamping structure, an annular groove A is arranged on the inner side wall of the rotating ring seat, an O-shaped seal ring A is arranged in the annular groove A, a rotating ring is arranged in the rotating ring seat, a static ring and a flange plate are arranged on the rotating shaft, the static ring is fixedly connected with the lower wall surface of the flange plate, an annular groove B and an annular groove C are arranged on one end surface of the flange plate, an O-shaped seal ring B is arranged in the annular groove B, an O-shaped seal ring C is arranged in the annular groove C, an O-shaped seal ring D is arranged on one side of the static ring, the rotating ring seat can be pre-fixed with the rotating shaft more quickly under the action of a clamping mechanism, and a clamping pin is inserted into the clamping groove by rotating a bolt A, so that the rotating ring seat and the rotating shaft are fixed, and the disassembly is very convenient, and the movable ring seat can be separated from the rotating shaft only by screwing the bolt A outwards.

Description

Mechanical seal assembly easy to assemble and disassemble

Technical Field

The utility model relates to a mechanical seal technical field specifically is a mechanical seal subassembly of easy dismouting.

Background

The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to the rotation axis, and the end faces are kept in fit and relatively slide under the action of fluid pressure and elastic force (or magnetic force) of a compensation mechanism and the cooperation of an auxiliary seal.

The utility model discloses a be CN 213711878U's utility model patent, including the mechanical seal subassembly body, the mechanical seal subassembly body includes an axle sleeve, and the top of axle sleeve is provided with the closing cap, and the top of closing cap is provided with the fixed slot, and the inside of fixed slot is provided with the bolt, and the bottom of closing cap is provided with solid fixed ring, and solid fixed ring's one side is provided with inhales the bits passageway, inhales one side of bits passageway and is provided with the seal, inhales the opposite side of bits passageway and is provided with the bearing fixing base, and one side of bearing fixing base is provided with the bearing. Mechanical seal subassembly with collection bits effect, collection bits hold up tank can collect, store the piece of body grinding, will collect the inside piece discharge of bits hold up tank through inhaling the bits passageway to avoid the piece to fall into the inside of machinery and cause the unnecessary trouble, this kind of mechanical seal subassembly with collection bits effect, simple structure has collection bits function. However, the device does not have a positioning mechanism when the sealing component is connected with the shaft sleeve by the bolt, so that the installation is troublesome,

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a mechanical seal assembly of easy dismouting has solved when installation seal assembly, makes seal assembly and axis of rotation pre-fixing, can be more convenient install seal assembly in the axis of rotation.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a mechanical seal subassembly of easy dismouting, includes the axis of rotation, install the rotating ring seat through the joint structure in the axis of rotation, annular groove A has been seted up on the rotating ring seat inside wall, be equipped with O shape sealing washer A in the annular groove A, be equipped with the rotating ring in the rotating ring seat, be equipped with quiet ring sum ring flange in the axis of rotation, quiet ring fixed connection is wall under the ring flange, annular groove B and annular groove C have all been seted up to a ring flange terminal surface, install O shape sealing washer B in the annular groove B, install O shape sealing washer C in the annular groove C, quiet ring one side is equipped with O shape sealing washer D.

Preferably, a plurality of sleeves are fixedly installed in the movable ring seat, sliding rods are connected in the sleeves in a sliding mode, and the sliding rods are installed in the sleeves through springs A.

Preferably, the joint structure includes a pair of joint groove, and is a pair of the joint groove is seted up on the outer wall of axis of rotation, a pair of recess has been seted up to the rotating ring seat inside wall, sliding connection has the joint round pin in the recess, the joint round pin passes through spring B to be connected in the recess, the spacing groove has all been seted up to recess both ends face, fixed mounting has a pair of stopper on the joint round pin, stopper sliding connection is in the spacing inslot.

Preferably, one end of the clamping pin is clamped with a plug-in groove, the movable ring seat is screwed with a pair of bolts A, and one end of each bolt A is plugged in the plug-in groove.

Preferably, a plurality of sliding blocks are fixedly mounted on the outer side wall of the moving ring, a plurality of sliding grooves are formed in the inner side wall of the moving ring seat, and the sliding blocks are connected in the sliding grooves in a sliding mode.

Preferably, a plurality of bolts B are screwed on the flange plate.

Advantageous effects

The utility model provides a mechanical seal subassembly of easy dismouting possesses following beneficial effect:

under the action of the clamping mechanism, the movable ring seat can be quickly pre-fixed with the rotating shaft, the bolt A is rotated to enable the clamping pin to be inserted into the clamping groove, the movable ring seat and the rotating shaft are fixed, the disassembly is very convenient, and the movable ring seat and the rotating shaft can be separated only by outwards screwing out the bolt A;

an annular groove A is formed in the lower end of the movable ring seat, an O-shaped sealing ring A is mounted in the annular groove A, a gap between the lower end of the movable ring seat and the rotating shaft can be sealed, and oil leakage is prevented;

the spring A drives the sliding rod to connect the movable ring and the static ring in a contact manner, and the O-shaped sealing ring D seals a gap between the movable ring seat and the static ring under the extrusion of the movable ring, so that leakage is prevented;

an annular groove C is formed in the flange plate, an O-shaped sealing ring C is arranged in the annular groove C, and a gap between the flange plate and the rotating shaft can be sealed to prevent leakage.

Drawings

Fig. 1 is a schematic view of the sectional structure of the front view of the present invention.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

Fig. 3 is an enlarged schematic view of a part B of fig. 1 according to the present invention.

Fig. 4 is an enlarged schematic view of the part C of fig. 1 according to the present invention.

In the figure: 1. a rotating shaft; 2. a moving ring seat; 3. an annular groove A; 4. an O-shaped sealing ring A; 5. a moving ring; 6. a stationary ring; 7. a flange plate; 8. an annular groove B; 9. an annular groove C; 10. an O-shaped sealing ring B; 11. an O-shaped sealing ring C; 12. an O-shaped sealing ring D; 13. a sleeve; 14. a slide bar; 15. a spring A; 16. a clamping groove; 17. a groove; 18. a latch pin; 19. a spring B; 20. a limiting groove; 21. a limiting block; 22. inserting grooves; 23. a slider; 24. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an easily assembled and disassembled mechanical seal assembly includes a rotating shaft 1, a moving ring seat 2 is mounted on the rotating shaft 1 through a clamping structure, an annular groove A3 is formed on an inner side wall of the moving ring seat 2, an O-shaped seal ring a4 is arranged in the annular groove A3, a moving ring 5 is arranged in the moving ring seat 2, a stationary ring 6 and a flange 7 are arranged on the rotating shaft 1, the stationary ring 6 is fixedly connected to a lower wall surface of the flange 7, an annular groove B8 and an annular groove C9 are formed on an end surface of the flange 7, an O-shaped seal ring B10 is mounted in the annular groove B8, an O-shaped seal ring C11 is mounted in the annular groove C9, an O-shaped seal ring D12 is arranged on one side of the stationary ring 6, a plurality of sleeves 13 are fixedly mounted in the moving ring seat 2, a slide rod 14 is slidably connected in the sleeves 13, and the slide rod 14 is mounted in the sleeves 13 through a spring a15, the clamping structure comprises a pair of clamping grooves 16, the clamping grooves 16 are arranged on the outer wall surface of the rotating shaft 1, a pair of grooves 17 are arranged on the inner side wall of the movable ring seat 2, a clamping pin 18 is connected in the grooves 17 in a sliding way, the clamping pin 18 is connected in the groove 17 through a spring B19, two end faces of the groove 17 are both provided with limit grooves 20, a pair of limiting blocks 21 are fixedly arranged on the clamping pin 18, the limiting blocks 21 are connected in a limiting groove 20 in a sliding manner, one end of the clamping pin 18 is clamped with a plug-in groove 22, the movable ring seat 2 is screwed with a pair of bolts A, one end of the bolt A is inserted in the insertion groove 22, a plurality of sliding blocks 23 are fixedly arranged on the outer side wall of the movable ring 5, the inner side wall of the movable ring seat 2 is provided with a plurality of sliding grooves 24, the sliding blocks 23 are connected in the sliding grooves 24 in a sliding mode, and the flange plate 7 is connected with a plurality of bolts B in a rotating mode.

The embodiment is as follows: the outer wall surface of the rotating shaft 1 is provided with a clamping groove 16, the movable ring seat 2 is sleeved on the rotating shaft 1, a clamping pin 18 is inserted into the clamping groove 16 under the action of a spring B19, the movable ring seat 2 is pre-fixed with the rotating shaft 1, a bolt B is rotated, one end of the bolt B is inserted into an insertion groove 22, one end of the clamping pin 18 is fixed in the clamping groove 16, the movable ring seat 2 is fixed with the rotating shaft 1, the inner side wall of the movable ring seat 2 is provided with an annular groove A3, an O-shaped sealing ring A4 is arranged in the annular groove A3, the lower end of the movable ring seat 2 can be sealed with the rotating shaft 1, a sleeve 13 is fixedly connected in the movable ring seat 2, a sliding rod 14 is slidably connected in the sleeve 13 through a spring A15, one end of a plurality of sliding rods 14 is fixedly connected on one end surface of the movable ring 5, a fixed ring 6 and a flange 7 are penetratingly connected on the rotating shaft 1, the fixed ring 6 is fixedly connected with the flange 7, and an O-shaped sealing ring C11 is arranged in an annular groove C9 on the flange 7, make ring flange 7 and axis of rotation 1 sealed, spring A15 is compression spring, can make slide bar 14 drive rotating ring 5, make a terminal surface and the quiet ring 6 contact of rotating ring 5 be connected, install O-ring D12 on the quiet ring 6, under the extrusion of rotating ring 5, seal the gap between rotating ring seat 2 and the quiet ring 6, prevent the seepage, install O-ring B10 on the ring flange 7, make ring flange 7 and the top spin have a plurality of bolts B, can make ring flange 7 connect at external shell, O-ring B10 plays the sealed effect of junction between ring flange 7 and the external shell, give people and bring convenience.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An easy-to-disassemble mechanical sealing assembly comprises a rotating shaft (1) and is characterized in that, a movable ring seat (2) is arranged on the rotating shaft (1) through a clamping structure, an annular groove A (3) is formed in the inner side wall of the movable ring seat (2), an O-shaped sealing ring A (4) is arranged in the annular groove A (3), a moving ring (5) is arranged in the moving ring seat (2), a static ring (6) and a flange plate (7) are arranged on the rotating shaft (1), the static ring (6) is fixedly connected with the lower wall surface of the flange plate (7), one end surface of the flange plate (7) is provided with an annular groove B (8) and an annular groove C (9), install O shape sealing washer B (10) in annular groove B (8), install O shape sealing washer C (11) in annular groove C (9), quiet ring (6) one side is equipped with O shape sealing washer D (12).

2. An easy-to-dismount-and-mount mechanical seal assembly according to claim 1, wherein a plurality of sleeves (13) are fixedly mounted in the movable ring seat (2), sliding rods (14) are slidably connected in the sleeves (13), and the sliding rods (14) are mounted in the sleeves (13) through springs A (15).

3. The mechanical seal assembly of easy dismouting of claim 1, characterized in that, the joint structure includes a pair of joint groove (16), and is a pair of joint groove (16) are seted up on axis of rotation (1) outer wall, a pair of recess (17) have been seted up to rotating ring seat (2) inside wall, sliding connection has joint round pin (18) in recess (17), joint round pin (18) are connected in recess (17) through spring B (19), spacing groove (20) have all been seted up to recess (17) both ends face, fixed mounting has a pair of stopper (21) on joint round pin (18), stopper (21) sliding connection is in spacing groove (20).

4. The mechanical seal assembly easy to assemble and disassemble according to claim 3, wherein one end of the clamping pin (18) is clamped with a plug-in groove (22), a pair of bolts A are screwed on the movable ring seat (2), and one ends of the bolts A are plugged in the plug-in groove (22).

5. The mechanical seal assembly easy to disassemble and assemble according to claim 1, wherein a plurality of sliding blocks (23) are fixedly installed on the outer side wall of the moving ring (5), a plurality of sliding grooves (24) are formed on the inner side wall of the moving ring seat (2), and the sliding blocks (23) are slidably connected in the sliding grooves (24).

6. An easily disassembled and assembled mechanical seal assembly according to claim 1, wherein a plurality of bolts B are screwed on the flange plate (7).