CN111250452A - Mechanical sealing device suitable for multiple places - Google Patents

Mechanical sealing device suitable for multiple places Download PDF

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Publication number
CN111250452A
CN111250452A CN202010215196.1A CN202010215196A CN111250452A CN 111250452 A CN111250452 A CN 111250452A CN 202010215196 A CN202010215196 A CN 202010215196A CN 111250452 A CN111250452 A CN 111250452A
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CN
China
Prior art keywords
ring
shell
closing cap
movable ring
movable
Prior art date
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Pending
Application number
CN202010215196.1A
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Chinese (zh)
Inventor
刘广栋
苏浩
严孝东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Hangbao Electromechanical Equipment Co ltd
Original Assignee
Qingdao Hangbao Electromechanical Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Qingdao Hangbao Electromechanical Equipment Co ltd filed Critical Qingdao Hangbao Electromechanical Equipment Co ltd
Priority to CN202010215196.1A priority Critical patent/CN111250452A/en
Publication of CN111250452A publication Critical patent/CN111250452A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/34Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3404Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/30Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/34Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3436Pressing means
    • F16J15/3452Pressing means the pressing force resulting from the action of a spring

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Sealing (AREA)

Abstract

The invention discloses a multi-place applicable mechanical sealing device which comprises a shell and a shaft sleeve, wherein the shaft sleeve is arranged on the inner side of the shell, a first limiting ring is integrally connected to the outer surface of the shaft sleeve, a second fixing bolt penetrates through the inner side of the first limiting ring and is in threaded connection with the first limiting ring, a movable ring seat is arranged on the right side of the first limiting ring and is sleeved on the outer surface of the shaft sleeve, through holes are uniformly formed in the outer surface of the movable ring seat, a fixing piece and a spring are arranged on the inner side of the movable ring seat, the fixing piece is arranged on the right side of the spring, a movable ring is arranged on the inner side of the movable ring seat close to the right side of the fixing piece, a movable ring sealing ring is arranged on the inner side of the movable ring, a lug is uniformly arranged on the inner wall of the movable ring seat, and a second static ring is arranged on. The invention has a sludge removing mechanism, further improves the sealing effect and can work in sewage and high-temperature severe environment.

Description

Mechanical sealing device suitable for multiple places
Technical Field
The invention relates to the technical field of mechanical sealing, in particular to a mechanical sealing device applicable to multiple places.
Background
The liquid pump is a device for pressurizing liquid, widely used in sewage treatment and water conservancy projects, and the mechanical sealing performance of the liquid pump is caused by a large factor influencing the working stability of the liquid pump.
To this CN106907488B discloses a magnetic mechanical seal device, including rotating ring, quiet ring, sealing gland, dustproof cushion, dust absorption cloth, pressure sensor, speaker, analog/digital converter, singlechip and digital/analog converter, dustproof cushion installs in quiet ring and sealing gland junction, dust absorption cloth assembly is on dustproof cushion rear end face, and this design can prevent effectively that the dust from getting into in the equipment casing, pressure sensor is connected with analog/digital converter through the data line, analog/digital converter is connected with the singlechip through the data line, the singlechip is connected with digital/analog converter through the data line, digital/analog converter is connected with the speaker through the data line. Said invention realizes leakage-proof, and has dust-collecting cloth and dust-proof rubber pad to solve the dust-proof problem.
However, in the above scheme, the dust absorption cloth and the dustproof rubber mat have low strength, and when the magnetic mechanical sealing device works in sewage with high sludge content, the magnetic mechanical sealing device can not meet the working standard of the liquid pump in a sludge environment only by means of the dust absorption cloth and the dustproof rubber mat, and works in a high-temperature environment.
Disclosure of Invention
The invention aims to provide a multi-site applicable mechanical sealing device to solve the problems that the device cannot work in sewage with high sludge content and cannot be sealed in a high-temperature environment in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a mechanical sealing device applicable to multiple places comprises a shell and a shaft sleeve, wherein the shaft sleeve is arranged on the inner side of the shell, a first limiting ring is integrally connected to the outer surface of the shaft sleeve, a second fixing bolt penetrates through the inner side of the first limiting ring and is in threaded connection with the first limiting ring, a movable ring seat is arranged on the right side of the first limiting ring and is sleeved on the outer surface of the shaft sleeve, through holes are uniformly formed in the outer surface of the movable ring seat, a fixing piece and a spring are arranged on the inner side of the movable ring seat, the fixing piece is arranged on the right side of the spring and is provided with a movable ring close to the right side of the fixing piece, a movable ring sealing ring is arranged on the inner side of the movable ring seat, a lug is uniformly arranged on the inner wall of the movable ring seat, a second stationary ring is arranged on the right side of the lug, and a second sealing ring is sleeved on the outer surface of the, the left side of first spacing ring is equipped with the bearing piece, the outward appearance of bearing piece is equipped with the ball, the left side of ball is equipped with the connection piece, the surface integration of connection piece is connected with the heat dissipation sleeve, and the surface of axle sleeve is located to the heat dissipation sleeve cover, the telescopic outward appearance of heat dissipation evenly is provided with radiating fin, the left side of shell is provided with the closing cap, the surface of closing cap runs through and is provided with a fixing bolt, the inboard of closing cap is equipped with first quiet ring, and just the surface of axle sleeve is located to first quiet ring cover, the surface cover of first quiet ring is equipped with first sealing washer, the left side that the surface of axle sleeve is close to the closing cap is equipped with desilting mechanism.
Preferably, the left side that the surface of axle sleeve is close to the closing cap has cup jointed the second spacing ring, and the second spacing ring is connected fixedly with the closing cap integration, the second spacing ring is hexagon structure, the left side that the surface of axle sleeve is close to the second spacing ring is the annular and has seted up the fixed slot.
Preferably, the desilting mechanism includes desilting ring, impeller groove, spacing groove and snap ring, the surface of axle sleeve is located to the desilting ring cover, the inner wall and the second spacing ring of desilting ring are contradicted, and the inner wall shape and the second spacing ring peripheral shape of desilting ring coincide.
Preferably, the outer surface of the dredging ring is annularly provided with an impeller groove, the outer surface of the sealing cover is annularly provided with a chute, the periphery of the right side of the dredging ring is arranged in the chute, and the outer surface of the left side of the dredging ring is annularly provided with a limiting groove.
Preferably, the inner side of the limiting groove is provided with a clamping ring, and the clamping ring is clamped with the fixing groove.
Preferably, threaded connection is passed through with the shell on first fixing bolt's right side, the right side surface integration of closing cap is connected with the bulge loop, one side that the left side surface of shell is close to the bulge loop is the annular and has seted up the recess, and the bulge loop closes with the recess interpolation, the right side cover that the left side surface of shell is close to the closing cap is equipped with the gasket, the both ends surface of gasket is contradicted with the surface of shell and closing cap respectively.
Preferably, the surface of first quiet ring is contradicted with the inner wall of closing cap, the surface of first sealing washer is contradicted with the inner wall of closing cap, the inner wall of first quiet ring is smooth, the axle sleeve constitutes revolution mechanic with first quiet ring.
Preferably, the quantity of lug is four groups, four groups the lug is the annular equidistance and arranges, evenly seted up four groups first guide slot on the periphery of stationary blade, the inner wall of first guide slot is coincide with the lug.
Preferably, four groups of second guide grooves are uniformly formed in the periphery of the movable ring, the inner walls of the second guide grooves are matched with the bumps, and the bumps are inserted into the second guide grooves.
Compared with the prior art, the invention has the beneficial effects that: this mechanical seal device that is suitable for in many places has silt clearance mechanism, further improves sealed effect, can work under sewage and the abominable environment of high temperature.
The heat dissipation device is provided with a dredging mechanism, a bearing plate, a connecting plate, a heat dissipation sleeve, a heat dissipation fin and a chute, wherein the bearing plate, the connecting plate, the connecting plate and the heat dissipation sleeve are arranged between a first static ring and a first limiting ring, the first static ring and the first limiting ring can be respectively supported by the two ends of the bearing plate and the heat dissipation sleeve, the first static ring and a second static ring can be respectively outwards opened to two sides by the elasticity of a spring, the sealing performance between a shaft sleeve and a shell is ensured, the heat generated by the high-speed rotation friction of the shaft sleeve on the shell can be transmitted to the heat dissipation fin through the heat dissipation sleeve, the heat dissipation fin is outwards dissipated and then transmitted to the shell, the dredging ring is arranged between the shaft sleeve and a sealing cover by the heat dissipation of the surface of the shell, the dredging ring can be fixedly connected with the shaft sleeve through a clamping ring, and the periphery of the dredging ring is, can ensure sealed between axle sleeve and the closing cap, and the desilting ring can drive the impeller groove and clean silt all around following the axle sleeve when rotating, avoids the silt gathering, and then reaches and has silt clearance mechanism, further improves sealed effect, can be at the effect of work under sewage and the abominable environment of high temperature.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic cross-sectional elevation view of the structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 2 according to the present invention;
FIG. 5 is a right side view of the movable ring seat of FIG. 2 according to the present invention;
FIG. 6 is a schematic right view of the anchor sheet of FIG. 2 according to the present invention;
fig. 7 is a left side view schematically illustrating the structure of the movable ring of fig. 2 according to the present invention.
In the figure: 1. a housing; 2. a shaft sleeve; 3. a dredging mechanism; 301. dredging and looping; 302. an impeller groove; 303. a limiting groove; 304. a snap ring; 4. sealing the cover; 5. a convex ring; 6. a groove; 7. a first fixing bolt; 8. a gasket; 9. a first stationary ring; 10. a first seal ring; 11. a pressure bearing sheet; 12. a ball bearing; 13. connecting sheets; 14. a heat dissipating sleeve; 15. a heat dissipating fin; 16. a first limit ring; 17. a second fixing bolt; 18. a movable ring seat; 19. a bump; 20. a fixing sheet; 21. a spring; 22. a through hole; 23. a moving ring; 24. a moving ring sealing ring; 25. a second stationary ring; 26. a second seal ring; 27. a second stop collar; 28. a chute; 29. fixing grooves; 30. a first guide groove; 31. a second guide groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, an embodiment of the present invention is shown:
a multi-site applicable mechanical sealing device comprises a shell 1 and shaft sleeves 2, wherein the shaft sleeves 2 are arranged on the inner side of the shell 1, a first limiting ring 16 is integrally connected to the outer surface of each shaft sleeve 2, a second fixing bolt 17 penetrates through the inner side of each first limiting ring 16, the second fixing bolt 17 is in threaded connection with the first limiting ring 16, a movable ring seat 18 is arranged on the right side of each first limiting ring 16, the movable ring seat 18 is sleeved on the outer surface of each shaft sleeve 2, through holes 22 are uniformly formed in the outer surface of each movable ring seat 18, a fixing piece 20 and a spring 21 are arranged on the inner side of each movable ring seat 18, the fixing piece 20 is arranged on the right side of the spring 21, a movable ring 23 is arranged on the inner side of each movable ring seat 18, a movable ring sealing ring 24 is arranged on the inner side of each movable ring 23, lugs 19 are uniformly arranged on the inner wall of each movable ring seat 18, the lugs 19 are four groups, four sets of first guide grooves 30 are uniformly arranged on the periphery of the fixed piece 20, the inner walls of the first guide grooves 30 are inosculated with the convex blocks 19, four sets of second guide grooves 31 are uniformly arranged on the periphery of the movable ring 23, the inner walls of the second guide grooves 31 are inosculated with the convex blocks 19, the convex blocks 19 are inserted with the second guide grooves 31, the first guide groove 30 on the fixing plate 20 is inserted into the movable ring seat 18 along the projection 19, and then the fixing plate 20 is rotated to make the first guide groove 30 far away from the projection 19, so that the projection 19 can limit the fixing plate 20, the fixing plate 20 can limit the spring 21, the second guide groove 31 on the moving ring 23 is inserted into the moving ring seat 18 along the bump 19, and then the shaft sleeve 2 drives the moving ring seat 18 to be inserted into the shell 1 together, so that the moving ring 23 is abutted against the second stationary ring 25, the inner wall of the moving ring sealing ring 24 is abutted against the shaft sleeve 2, and the moving ring sealing ring 24 is made of rubber, so that the sealing effect between the shaft sleeve 2 and the moving ring sealing ring 24 can be improved;
then, the moving ring seal ring 24 is installed in the moving ring 23, the second guide groove 31 on the moving ring 23 is inserted into the moving ring seat 18 along the protrusion 19, and the shaft sleeve 2 drives the moving ring seat 18 to be inserted into the housing 1 together, so that the moving ring 23 is abutted against the second stationary ring 25.
The right side of lug 19 is equipped with the quiet ring 25 of second, the surface cover of the quiet ring 25 of second is equipped with second sealing washer 26, the left side of first spacing ring 16 is equipped with bearing piece 11, the outward appearance of bearing piece 11 is equipped with ball 12, the left side of ball 12 is equipped with connection piece 13, the surface integration of connection piece 13 is connected with heat dissipation sleeve 14, and heat dissipation sleeve 14 cover locates the surface of axle sleeve 2, heat dissipation sleeve 14's outward appearance evenly is provided with radiating fin 15, the left side of shell 1 is provided with closing cap 4.
The surface of closing cap 4 runs through and is provided with first fixing bolt 7, the right side of first fixing bolt 7 passes through threaded connection with shell 1, the right side surface integration of closing cap 4 is connected with bulge loop 5, one side that the left side surface of shell 1 is close to bulge loop 5 is the annular and has seted up recess 6, and bulge loop 5 and recess 6 insert, the right side cover that the left side surface of shell 1 is close to closing cap 4 is equipped with gasket 8, gasket 8's both ends surface is contradicted with the surface of shell 1 and closing cap 4 respectively, through bulge loop 5 and recess 6 block, can increase the leakproofness of shell 1 and closing cap 4 junction, can be connected fixedly with closing cap 4 with shell 1 through first fixing bolt 7.
The inboard of closing cap 4 is equipped with first quiet ring 9, and the surface of axle sleeve 2 is located to first quiet ring 9 cover, the surface of first quiet ring 9 is contradicted with the inner wall of closing cap 4, the surface of first sealing washer 10 is contradicted with the inner wall of closing cap 4, the inner wall of first quiet ring 9 is smooth, axle sleeve 2 constitutes revolution mechanic with first quiet ring 9, first sealing washer 10 is rubber construction, first sealing washer 10 plays the effect that increases the leakproofness between first quiet ring 9 and the closing cap 4, first quiet ring 9 plays the effect that increases the leakproofness between axle sleeve 2 and the closing cap 4.
The outer surface of the first stationary ring 9 is sleeved with a first sealing ring 10, the left side of the outer surface of the shaft sleeve 2 close to the sealing cover 4 is provided with a dredging mechanism 3, the left side of the outer surface of the shaft sleeve 2 close to the sealing cover 4 is sleeved with a second limiting ring 27, the second limit ring 27 is integrally connected and fixed with the seal cover 4, the second limit ring 27 is in a hexagonal structure, the left side of the outer surface of the shaft sleeve 2 close to the second limit ring 27 is provided with a fixing groove 29 in an annular shape, the dredging mechanism 3 comprises a dredging ring 301, an impeller groove 302, a limit groove 303 and a snap ring 304, the dredging ring 301 is sleeved on the outer surface of the shaft sleeve 2, the inner wall of the dredging ring 301 is abutted against the second limit ring 27, and the shape of the inner wall of the dredging ring 301 is matched with the shape of the periphery of the second limit ring 27, the dredging ring 301 is inserted into the second limit ring 27, so that the shaft sleeve 2 rotates to drive the second limit ring 27 to rotate, and the second limit ring 27 drives the dredging ring 301 to rotate.
The outer surface of the dredging ring 301 is annularly provided with an impeller groove 302, the outer surface of the sealing cover 4 is annularly provided with a chute 28, the right periphery of the dredging ring 301 is arranged in the chute 28, the left outer surface of the dredging ring 301 is annularly provided with a limiting groove 303, the chute 28 is obliquely designed, so that the periphery of one end, close to the sealing cover 4, of the dredging ring 301 is inserted into the chute 28, the sealing property between the dredging ring 301 and the sealing cover 4 can be improved, the dredging ring enters an external gap between the dredging ring 301 and the chute 28, the corner connecting part of the dredging ring 301 and the chute 28 can be blocked, and the dredging ring is prevented from continuously entering the corner connecting part.
The snap ring 304 is provided inside the limit groove 303, the snap ring 304 is engaged with the fixing groove 29, and the snap ring 304 is engaged with the fixing groove 29, so that the snap ring 304 can limit the dredging ring 301, and the dredging ring 301 is connected and fixed to the shaft sleeve 2.
The working principle is as follows: during assembly and maintenance, the impeller transmission shaft in the liquid pump is connected with the shaft sleeve 2 and fastened through the second fixing bolt 17, so that the transmission shaft can be fixedly connected with the shaft sleeve 2, and the transmission shaft is connected with the output shaft of the motor and the transmission shaft through the coupler, so that the motor can drive the transmission shaft to rotate;
during the rotation, the movable ring seat 18 is sleeved on the shaft sleeve 2, the spring 21 is screwed into the movable ring seat 18, the first guide groove 30 on the fixed plate 20 is inserted into the movable ring seat 18 along the bump 19, and the fixed plate 20 is rotated to enable the first guide groove 30 to be far away from the bump 19, so that the bump 19 can limit the fixed plate 20;
then, the moving ring seal ring 24 is arranged in the moving ring 23, the second guide groove 31 on the moving ring 23 is inserted into the moving ring seat 18 along the bump 19, and the shaft sleeve 2 drives the moving ring seat 18 to be inserted into the shell 1 together, so that the moving ring 23 is abutted against the second stationary ring 25;
then, the bearing plate 11 and the connecting plate 13 are sleeved on the shaft sleeve 2, the sealing cover 4 is butted with the shell 1, the sealing cover 4 is connected with the shell 1 by fastening the first fixing bolt 7, meanwhile, the first stationary ring 9 can push the heat dissipation sleeve 14, the heat dissipation sleeve 14 pushes the connecting plate 13, the connecting plate 13 drives the bearing plate 11 to push the first limiting ring 16, the first limiting ring 16 can push the movable ring seat 18, and the movable ring 23 is pressed into the movable ring seat 18;
the elastic force released to the two sides by the spring 21 can enable the first static ring 9 and the second static ring 25 to be respectively expanded to the two sides, so that the sealing performance between the shaft sleeve 2 and the shell 1 is guaranteed, and the heat generated by the high-speed rotation friction of the shaft sleeve 2 on the shell 1 can be conducted to the radiating fins 15 through the radiating sleeve 14, so that the radiating fins 15 are outwards radiated and then conducted to the shell 1 to be radiated through the surface of the shell 1;
through being equipped with desilting ring 301 between axle sleeve 2 and closing cap 4, make desilting ring 301 can be connected desilting ring 301 and axle sleeve 2 through snap ring 304 and fixed, insert with chute 28 through the periphery of desilting ring 301 and close, can ensure sealed between axle sleeve 2 and the closing cap 4, and desilting ring 301 is following axle sleeve 2 when rotating, desilting ring 301 can drive impeller groove 302 and rotate, make impeller groove 302 produce centrifugal force around, outwards throw away silt all around, avoid the silt gathering.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides a mechanical seal device is suitable for in many places, includes shell (1) and axle sleeve (2), its characterized in that: the inner side of the shell (1) is provided with a shaft sleeve (2), the outer surface of the shaft sleeve (2) is integrally connected with a first limiting ring (16), the inner side of the first limiting ring (16) penetrates through a second fixing bolt (17), the second fixing bolt (17) is in threaded connection with the first limiting ring (16), the right side of the first limiting ring (16) is provided with a movable ring seat (18), the movable ring seat (18) is sleeved on the outer surface of the shaft sleeve (2), through holes (22) are uniformly formed in the outer surface of the movable ring seat (18), the inner side of the movable ring seat (18) is provided with a fixing piece (20) and a spring (21), the fixing piece (20) is arranged on the right side of the spring (21), the inner side of the movable ring seat (18) is provided with a movable ring (23) close to the right side of the fixing piece (20), the inner side of the movable ring (23) is provided with a movable ring sealing ring (24, the inner wall of the movable ring seat (18) is uniformly provided with a convex block (19), the right side of the convex block (19) is provided with a second stationary ring (25), the outer surface of the second stationary ring (25) is sleeved with a second sealing ring (26), the left side of the first limiting ring (16) is provided with a bearing plate (11), the outer surface of the bearing plate (11) is provided with a ball (12), the left side of the ball (12) is provided with a connecting plate (13), the outer surface of the connecting plate (13) is integrally connected with a heat dissipation sleeve (14), the heat dissipation sleeve (14) is sleeved on the outer surface of the shaft sleeve (2), the outer surface of the heat dissipation sleeve (14) is uniformly provided with heat dissipation fins (15), the left side of the shell (1) is provided with a sealing cover (4), the outer surface of the sealing cover (4) is provided with a first fixing bolt (7) in a penetrating manner, the inner side of the sealing cover, and the surface of axle sleeve (2) is located to first quiet ring (9) cover, the surface cover of first quiet ring (9) is equipped with first sealing washer (10), the left side that the surface of axle sleeve (2) is close to closing cap (4) is equipped with desilting mechanism (3).
2. A multi-site adapted mechanical seal according to claim 1, wherein: the left side that the surface of axle sleeve (2) is close to closing cap (4) has cup jointed second spacing ring (27), and second spacing ring (27) and closing cap (4) integration are connected fixedly, second spacing ring (27) are the hexagon structure, the left side that the surface of axle sleeve (2) is close to second spacing ring (27) is the annular and has seted up fixed slot (29).
3. A multi-site adapted mechanical seal according to claim 2, wherein: desilting mechanism (3) are including desilting ring (301), impeller groove (302), spacing groove (303) and snap ring (304), the surface of axle sleeve (2) is located to desilting ring (301) cover, the inner wall and the conflict of second spacing ring (27) of desilting ring (301), and the inner wall shape and the coincidence of second spacing ring (27) peripheral shape of desilting ring (301).
4. A multi-site adapted mechanical seal according to claim 3 wherein: the outer surface of the dredging ring (301) is annularly provided with an impeller groove (302), the outer surface of the sealing cover (4) is annularly provided with a chute (28), the right periphery of the dredging ring (301) is arranged in the chute (28), and the left outer surface of the dredging ring (301) is annularly provided with a limiting groove (303).
5. A multi-site adapted mechanical seal according to claim 4, wherein: the inner side of the limiting groove (303) is provided with a clamping ring (304), and the clamping ring (304) is clamped with the fixing groove (29).
6. A multi-site adapted mechanical seal according to claim 1, wherein: the right side of first fixing bolt (7) passes through threaded connection with shell (1), the right side surface integration of closing cap (4) is connected with bulge loop (5), one side that the left side surface of shell (1) is close to bulge loop (5) is the annular and sets up fluted (6), and bulge loop (5) and recess (6) insert, the right side cover that the left side surface of shell (1) is close to closing cap (4) is equipped with gasket (8), the both ends surface of gasket (8) is contradicted with the surface of shell (1) and closing cap (4) respectively.
7. A multi-site adapted mechanical seal according to claim 1, wherein: the surface of first quiet ring (9) is contradicted with the inner wall of closing cap (4), the surface of first sealing washer (10) is contradicted with the inner wall of closing cap (4), the inner wall of first quiet ring (9) is smooth, revolution mechanic is constituteed with first quiet ring (9) in axle sleeve (2).
8. A multi-site adapted mechanical seal according to claim 1, wherein: the quantity of lug (19) is four groups, four groups lug (19) are the annular equidistance and arrange, four groups of first guide slots (30) have evenly been seted up on the periphery of stationary blade (20), the inner wall and lug (19) of first guide slot (30) coincide.
9. A multi-site adapted mechanical seal according to claim 1, wherein: four groups of second guide grooves (31) are uniformly formed in the periphery of the movable ring (23), the inner walls of the second guide grooves (31) are matched with the bumps (19), and the bumps (19) are inserted into the second guide grooves (31).
CN202010215196.1A 2020-03-24 2020-03-24 Mechanical sealing device suitable for multiple places Pending CN111250452A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010215196.1A CN111250452A (en) 2020-03-24 2020-03-24 Mechanical sealing device suitable for multiple places

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Application Number Priority Date Filing Date Title
CN202010215196.1A CN111250452A (en) 2020-03-24 2020-03-24 Mechanical sealing device suitable for multiple places

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Publication Number Publication Date
CN111250452A true CN111250452A (en) 2020-06-09

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Application Number Title Priority Date Filing Date
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Publication number Priority date Publication date Assignee Title
US5605436A (en) * 1995-05-24 1997-02-25 Apv Fluid Handling Horsens A/S Centrifugal pump
CN102112785A (en) * 2009-09-24 2011-06-29 伊格尔工业股份有限公司 Mechanical seal
CN202309331U (en) * 2011-11-10 2012-07-04 卧龙电气集团股份有限公司 Vibration motor bearing sealing structure
CN203248723U (en) * 2013-05-15 2013-10-23 安徽合力股份有限公司 Sweeper motor with mechanical dustproof mechanism
CN104329466A (en) * 2014-09-03 2015-02-04 上海乐合流体机械有限公司 High-temperature-resistant mechanical sealing device
CN108730526A (en) * 2018-06-01 2018-11-02 芜湖市中天密封件有限公司 A kind of improved pyrolysis sludge dryer sealing element

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5605436A (en) * 1995-05-24 1997-02-25 Apv Fluid Handling Horsens A/S Centrifugal pump
CN102112785A (en) * 2009-09-24 2011-06-29 伊格尔工业股份有限公司 Mechanical seal
CN202309331U (en) * 2011-11-10 2012-07-04 卧龙电气集团股份有限公司 Vibration motor bearing sealing structure
CN203248723U (en) * 2013-05-15 2013-10-23 安徽合力股份有限公司 Sweeper motor with mechanical dustproof mechanism
CN104329466A (en) * 2014-09-03 2015-02-04 上海乐合流体机械有限公司 High-temperature-resistant mechanical sealing device
CN108730526A (en) * 2018-06-01 2018-11-02 芜湖市中天密封件有限公司 A kind of improved pyrolysis sludge dryer sealing element

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Application publication date: 20200609