CN217130337U - Corrosion-resistant mechanical seal assembly - Google Patents

Corrosion-resistant mechanical seal assembly Download PDF

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Publication number
CN217130337U
CN217130337U CN202220448868.8U CN202220448868U CN217130337U CN 217130337 U CN217130337 U CN 217130337U CN 202220448868 U CN202220448868 U CN 202220448868U CN 217130337 U CN217130337 U CN 217130337U
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China
Prior art keywords
ring
sleeve
face
mechanical seal
sliding
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CN202220448868.8U
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Chinese (zh)
Inventor
杨银广
王志斌
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Dalian Siwei Sealing Equipment Co ltd
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Dalian Siwei Sealing Equipment Co ltd
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Priority to CN202220448868.8U priority Critical patent/CN217130337U/en
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Abstract

The utility model discloses a corrosion-resistant mechanical seal subassembly, including the axis of rotation, install the rotating ring through fixed establishment in the axis of rotation, be equipped with the ring flange in the axis of rotation, a ring flange terminal surface fixed mounting has first sleeve, there is the second sleeve through slide mechanism sliding connection in the first sleeve, install O shape sealing washer A between first sleeve and second sleeve, O shape sealing washer A can prevent that fluid infiltration from causing spring A's corruption, can assist quiet ring and the adjacent terminal surface of rotating ring to contact under spring C's effect, prevent to cause the rotating ring not to laminate with quiet ring contact because spring A damages, O shape sealing washer E can prevent that fluid infiltration from corroding spring C, O shape sealing washer D can prevent that fluid infiltration from corroding the bolt, cause solid fixed ring and the rotation axis between be connected not hard up.

Description

Corrosion-resistant mechanical seal assembly
Technical Field
The utility model relates to a mechanical seal technical field specifically is a corrosion-resistant mechanical seal subassembly.
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 the elastic force (or magnetic force) of a compensation mechanism and the cooperation of an auxiliary seal.
The utility model discloses a be CN 202301154U's utility model patent, including rotating ring subassembly and quiet ring subassembly, quiet ring subassembly includes quiet ring holder, the quiet ring of dress on quiet ring holder and be used for blockking the position circle that quiet ring holder moved left, the rotating ring subassembly is including being used for with the axle sleeve of pump shaft connection and turning right from a left side and overlapping the rotating ring on the axle sleeve in proper order, the rotating ring seat, a spring, the spring holder, the rotating ring is laminated with quiet ring terminal surface is tight, the rotating ring dress is on the rotating ring seat, the spring top is between rotating ring seat and spring holder, position circle and shaft liner connection, wherein, the spring holder right part is connected with axle sleeve right part interference fit. However, the spring in the device is easily corroded, so that the movable ring and the static ring are not tightly contacted.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a corrosion-resistant mechanical seal subassembly has solved the problem of fluid to the spring corrosion.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a corrosion-resistant mechanical seal assembly comprises a rotating shaft, wherein a rotating ring is mounted on the rotating shaft through a fixing mechanism, a flange plate is arranged on the rotating shaft, a first sleeve is fixedly mounted on one end face of the flange plate, and a second sleeve is connected in the first sleeve in a sliding mode through a sliding mechanism;
one end face of the second sleeve is fixedly connected with a static ring, the static ring is arranged on the rotating shaft, and the static ring is in contact with the moving ring;
a shell is mounted on the outer side of the first sleeve, one end face of the shell is connected to the flange, a shell cover is screwed to one end, far away from the flange, of the shell, and the rotating shaft penetrates through the shell cover;
and a pre-fixing mechanism is arranged on the flange plate.
Preferably, the fixing mechanism comprises a fixing ring fixedly installed on the outer side of the rotating shaft through a bolt, and one end face of the fixing ring is fixedly connected to one end face of the movable ring.
Preferably, the sliding mechanism comprises a fixed seat fixedly mounted on one end face of the flange plate, a sliding rod is connected in the fixed seat in a sliding manner through a spring A, and one end face of the sliding rod is fixedly connected to one end face of the second sleeve.
Preferably, the pre-fixing mechanism comprises a fixing block fixedly mounted on one end face of the flange plate, a locking rod is connected in the fixing block in a sliding mode through a spring B, sliding openings are formed in the flange plate and the fixing block, and a sliding rod sliding in the sliding openings is fixedly connected to the locking rod.
Preferably, an annular sliding groove is formed in the inner wall surface of the shell, an annular sliding block is connected to the annular sliding groove in a sliding mode through a spring C, and the annular sliding block is fixedly connected to the outer wall surface of the stationary ring.
Preferably, an O-shaped sealing ring a is arranged between the first sleeve and the second sleeve;
an O-shaped sealing ring B is arranged on the inner wall surface of the flange plate;
and an O-shaped sealing ring C is arranged on the inner wall surface of the static ring.
Preferably, a pair of O-rings D are attached to the inner wall surface of the fixing ring.
Preferably, an O-shaped sealing ring E is arranged on one side wall in the annular sliding groove.
Preferably, one end face of the flange plate is connected with a machine body, a threaded hole A is formed in the flange plate, a threaded hole B is formed in the locking rod, and a threaded hole C and a threaded groove which are matched with the threaded hole A and the threaded hole B are formed in the machine body.
Advantageous effects
The utility model provides a corrosion-resistant mechanical seal subassembly possesses following beneficial effect:
an O-shaped sealing ring A is arranged between the first sleeve and the second sleeve, and the O-shaped sealing ring A can prevent oil from permeating to cause corrosion of the spring A;
under the action of the spring C, the static ring can be assisted to be in contact with the adjacent end surface of the dynamic ring, so that the dynamic ring is prevented from being not attached to the static ring due to the damage of the spring A;
the O-shaped sealing ring E can prevent oil from permeating into the corrosion spring C;
the O-shaped sealing ring D can prevent oil from permeating and corroding the bolt to cause the connection between the fixing ring and the rotating shaft to be loosened.
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 portion 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; 3. a flange plate; 4. a first sleeve; 5. a second sleeve; 6. a stationary ring; 7. a housing; 8. a shell cover; 9. a fixing ring; 10. a fixed seat; 11. a spring A; 12. a slide bar; 13. a fixed block; 14. a spring B; 15. a locking lever; 16. a slide bar; 17. an annular chute; 18. a spring C; 19. an annular slider; 20. an O-shaped sealing ring A; 21. an O-shaped sealing ring B; 22. an O-shaped sealing ring C; 23. an O-shaped sealing ring D; 24. and an O-shaped sealing ring E.
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, a corrosion-resistant mechanical seal assembly includes a rotating shaft 1, and is characterized in that a rotating ring 2 is mounted on the rotating shaft 1 through a fixing mechanism, a flange 3 is disposed on the rotating shaft 1, a first sleeve 4 is fixedly mounted on one end face of the flange 3, and a second sleeve 5 is slidably connected in the first sleeve 4 through a sliding mechanism;
one end face of the second sleeve 5 is fixedly connected with a static ring 6, the static ring 6 is arranged on the rotating shaft 1, the static ring 6 is in contact with the moving ring 2, when the moving ring 2 and the static ring 6 are abraded due to friction, the moving ring 2 can axially move towards the static ring 6 under the action of a sliding mechanism, the end faces of the moving ring 2 adjacent to the static ring 6 are in contact with each other more closely, and oil is prevented from permeating,
a shell 7 is arranged on the outer side of the first sleeve 4, one end face of the shell 7 is connected to the flange 3, one end, far away from the flange 3, of the shell 7 is screwed with a shell cover 8, the rotating shaft 1 penetrates through the shell cover 8, the shell 7 can separate oil in the machine body from devices in the shell 7, the oil is prevented from permeating and corroding an internal sliding mechanism,
and a pre-fixing mechanism is arranged on the flange plate 3.
The fixing mechanism comprises a fixing ring 9 fixedly installed on the outer side of the rotating shaft 1 through a bolt, and one end face of the fixing ring 9 is fixedly connected to one end face of the moving ring 2.
Slide mechanism including fixed mounting in fixing base 10 on the terminal surface of ring flange 3, there is slide bar 12 through spring A11 sliding connection in the fixing base 10, slide bar 12 a terminal surface fixed connection in on the terminal surface of second sleeve 5, spring A11 is compression spring, can make slide bar 12 drive quiet ring 6 and the laminating that can be better of rotating ring 2.
The pre-fixing mechanism comprises a fixing block 13 fixedly mounted on one end face of the flange plate 3, a locking rod 15 is connected in the fixing block 13 in a sliding mode through a spring B14, sliding openings are formed in the flange plate 3 and the fixing block 13, and a sliding rod 16 sliding in the sliding openings is fixedly connected to the locking rod 15.
Annular spout 17 has been seted up to casing 7 internal wall, there is annular slider 19 through spring C18 sliding connection in the annular spout 17, and annular slider 19 fixed connection in on the quiet ring 6 outer wall face, spring C18 is compression spring, can assist quiet ring 6 and rotating ring 2 to contact under the effect that spring C18 drove annular slider 19.
An O-shaped sealing ring A20 is arranged between the first sleeve 4 and the second sleeve 5, so that oil can be prevented from permeating into the corrosion spring A11,
an O-shaped sealing ring B21 is arranged on the inner wall surface of the flange 3, so that oil can be prevented from seeping between the flange 3 and the rotating shaft 1,
an O-shaped sealing ring C22 is arranged on the inner wall surface of the static ring 6, so that oil can be prevented from permeating into the corrosion spring A11.
A pair of O-shaped sealing rings D23 are installed on the inner wall surface of the fixing ring 9, so that oil is prevented from permeating into the corrosion bolt, and the fixing ring 9 and the rotating shaft 1 are prevented from being connected loosely.
An O-shaped sealing ring E24 is installed on one side wall in the annular sliding groove 17, so that oil can be prevented from permeating into the corrosion spring C18.
The portable locking device is characterized in that one end face of the flange plate 3 is connected with a machine body, the slide rod 16 is shifted to enable the locking rod 15 to move towards one side of the rotating shaft 1, the spring B14 is a compression spring, under the action of the spring B14, the slide rod 16 is loosened to enable the locking rod 15 to be clamped with the machine body, the flange plate 3 and the machine body to be pre-fixed, the flange plate 3 is provided with a threaded hole A, the locking rod 15 is provided with a threaded hole B, the machine body is provided with a threaded hole C and a threaded groove which are matched with the threaded hole A and the threaded hole B, and the threaded rod is screwed into the threaded hole A, the threaded hole B, the threaded hole C and the threaded groove to enable the flange plate 3 to be fixed with the machine body.
Example (b): the sliding rod 16 is slid to clamp the locking rod 15 to the machine body, so that the flange 3 is pre-fixed to the machine body, at this time, the threaded rod is screwed into the threaded hole A, the threaded hole B, the threaded hole C and the threaded groove, so that the flange 3 is fixed with the machine body, at this time, the rotating shaft 1 drives the moving ring 2 to rotate under the action of the fixing ring 9, the spring A11 drives the sliding rod 12 to move, so that the second sleeve 5 drives one end face of the stationary ring 6 to be in contact with one end face of the moving ring 2, an O-shaped sealing ring A20 is arranged between the first sleeve 4 and the second sleeve 5, so as to prevent corrosion of the spring A11 caused by oil infiltration, the annular sliding groove 17 is internally connected with an annular sliding block 19 through a spring C18 in a sliding manner, the stationary ring 6 can be assisted to be in contact with the moving ring 2 under the action of a spring C18, so as to prevent the moving ring 2 from being in contact with the stationary ring 6 and not being attached due to the damage of the spring A11, and an O-shaped sealing ring E24 is arranged between one end face of the annular sliding groove 17 and the annular sliding block 19, o shape sealing washer E24 can prevent that fluid infiltration from corroding spring C18, O shape sealing washer C22 can play sealed effect, prevent the fluid infiltration between rotating ring 2 and quiet ring 6, O shape sealing washer D23 can prevent that fluid infiltration from corroding the bolt, it is not hard up to cause the connection between solid fixed ring 9 and axis of rotation 1, O shape sealing washer B21 can play sealed effect, prevent that fluid from oozing by flange plate 3 and axis of rotation 1 within a definite time, give people and bring the 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 (9)

1. A corrosion-resistant mechanical seal assembly comprises a rotating shaft (1), and is characterized in that a movable ring (2) is mounted on the rotating shaft (1) through a fixing mechanism, a flange plate (3) is arranged on the rotating shaft (1), a first sleeve (4) is fixedly mounted on one end face of the flange plate (3), and a second sleeve (5) is slidably connected in the first sleeve (4) through a sliding mechanism;
one end face of the second sleeve (5) is fixedly connected with a static ring (6), the static ring (6) is arranged on the rotating shaft (1), and the static ring (6) is in contact with the moving ring (2);
a shell (7) is mounted on the outer side of the first sleeve (4), one end face of the shell (7) is connected to the flange plate (3), a shell cover (8) is screwed at one end, far away from the flange plate (3), of the shell (7), and the rotating shaft (1) penetrates through the shell cover (8);
and a pre-fixing mechanism is arranged on the flange plate (3).
2. A corrosion resistant mechanical seal assembly according to claim 1 wherein the fixing means comprises a fixing ring (9) fixedly mounted on the outside of the rotating shaft (1) by bolts, one end face of the fixing ring (9) being fixedly connected to one end face of the moving ring (2).
3. A corrosion resistant mechanical seal assembly according to claim 1 wherein said sliding mechanism comprises a fixed seat (10) fixedly mounted on an end face of said flange (3), said fixed seat (10) having a sliding rod (12) slidably connected therein by a spring a (11), said sliding rod (12) having an end face fixedly connected to an end face of said second sleeve (5).
4. The corrosion-resistant mechanical seal assembly according to claim 1, wherein the pre-fixing mechanism comprises a fixing block (13) fixedly mounted on one end face of the flange (3), a locking rod (15) is slidably connected in the fixing block (13) through a spring B (14), sliding openings are formed in the flange (3) and the fixing block (13), and a sliding rod (16) sliding in the sliding opening is fixedly connected to the locking rod (15).
5. The corrosion-resistant mechanical seal assembly according to claim 1, wherein an annular sliding groove (17) is formed in an inner wall surface of the housing (7), an annular sliding block (19) is slidably connected in the annular sliding groove (17) through a spring C (18), and the annular sliding block (19) is fixedly connected to an outer wall surface of the stationary ring (6).
6. A corrosion resistant mechanical seal assembly according to claim 1 wherein an O-ring seal a (20) is mounted between said first sleeve (4) and said second sleeve (5);
an O-shaped sealing ring B (21) is mounted on the inner wall surface of the flange plate (3);
an O-shaped sealing ring C (22) is mounted on the inner wall surface of the static ring (6).
7. A corrosion resistant mechanical seal assembly according to claim 2 wherein said retainer ring (9) has a pair of O-rings D (23) mounted on its inner wall.
8. A corrosion resistant mechanical seal assembly according to claim 5 wherein an O-ring seal E (24) is mounted to a side wall of said annular runner (17).
9. The corrosion-resistant mechanical seal assembly according to claim 4, wherein an end face of the flange plate (3) is connected with a machine body, the flange plate (3) is provided with a threaded hole A, the locking rod (15) is provided with a threaded hole B, and the machine body is provided with a threaded hole C and a threaded groove which are matched with the threaded hole A and the threaded hole B for use.
CN202220448868.8U 2022-03-03 2022-03-03 Corrosion-resistant mechanical seal assembly Active CN217130337U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220448868.8U CN217130337U (en) 2022-03-03 2022-03-03 Corrosion-resistant mechanical seal assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220448868.8U CN217130337U (en) 2022-03-03 2022-03-03 Corrosion-resistant mechanical seal assembly

Publications (1)

Publication Number Publication Date
CN217130337U true CN217130337U (en) 2022-08-05

Family

ID=82644082

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220448868.8U Active CN217130337U (en) 2022-03-03 2022-03-03 Corrosion-resistant mechanical seal assembly

Country Status (1)

Country Link
CN (1) CN217130337U (en)

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