CN208169530U - One kind 151 plus bearing mechanical seal device - Google Patents

Abstract

One kind 151 plus bearing mechanical seal device, including stationary ring part, ring portion and bearing portions.It is characterized in that：The stationary ring part, including seal receptacle, fluid-through tube, throw-out collar, cambridge ring, outer stationary ring group, O-ring, interior stationary ring, liquid level mouth, gasket, spring and spaced screw, play standstill seal；The ring portion, including rotating ring, cambridge ring, spacer ring, trundle, axle sleeve, holding screw and holding screw, play rotatory sealing；The bearing portions, including outside framework oil seal, bearing, outside framework oil seal, positioning sleeve, pedestal, stud, bearing holder (housing, cover), spring washer, nut, fillister head screw, oil nozzle, end cap, play the oscillating quantity of control shaft.One kind 151 plus bearing mechanical seal device can solve the short problem of traditional 151 larger service lifes of bearing-free mechanical seal assembly axis oscillating quantity.

Description

One kind 151 plus bearing mechanical seal device

Technical field

The invention belongs to mechanical seal fields, more particularly to one kind 151 plus bearing mechanical seal device.

Background technique

Mechanical sealing member technology is widely used in national defence, electric power, chemical industry, petroleum, metallurgy, chemical industry, medicine, food, change The fields such as cosmetic, a kind of 151 plus bearing mechanical seal device application be mechanical seal field an importance, belong to In a kind of kettle top mechanical seal.151 traditional mechanical seal devices are without bearing, when the oscillating quantity of axis is larger, are easy Abrasion, can bring security risk, shorten the working life.A kind of 151 plus bearing mechanical seal device break it is traditional shaftless The short disadvantage of 151 mechanical seal service lifes is held, is designed using the structure of the radial direction double end-face kettle top sealing with bearing, solution It has determined the larger problems of oscillating quantity of 151 traditional mechanical seal device bearing-free axis, it is easy for installation, improve production effect Rate extends service life, saves cost, has ensured the safety of product, provides for the production and development of Chemical Manufacture enterprise Facility guarantee.

Summary of the invention

It is a primary object of the present invention to overcome the shortcomings of above-mentioned technology, and one kind 151 is provided and adds bearing special-purpose machinery close Seal apparatus.No matter technically, economically the present apparatus can be used for the sealing of all kinds of stirred tanks in the industry devices such as chemical company, Be all feasible in environmental protection.

The present invention to achieve the above object, using following technical scheme：One kind 151 plus bearing mechanical seal device, Including stationary ring part, ring portion and bearing portions.It is characterized in that：The stationary ring part, including seal receptacle（1）, fluid-through tube （2）, throw-out collar（3）, cambridge ring（4）, outer stationary ring group（5）, O-ring（6）, interior stationary ring（7）, liquid level mouth（8）, gasket（13）, bullet Spring（14）And spaced screw（15）, play standstill seal；The ring portion, including rotating ring（9）, cambridge ring（10）, interval Ring（11）, trundle（12）, axle sleeve（16）, holding screw（21）And holding screw（22）, play rotatory sealing；The bearing Part, including outside framework oil seal（17）, bearing（18）, outside framework oil seal（19）, positioning sleeve（20）, pedestal（25）, stud（28）, Bearing holder (housing, cover)（29）, spring washer（30）, nut（31）, fillister head screw（33）, oil nozzle（34）, end cap（35）, play control shaft The effect of oscillating quantity.

Beneficial effect:One kind 151 plus bearing mechanical seal device performance are perfect, at low cost, safe and reliable, use Service life is long, is hardly damaged.It is special using one kind 151 plus bearing due to 151 mechanical seal device bearing-free of Chemical Manufacture enterprise With mechanically-sealing apparatus, it can completely solve that traditional 151 bearing-free mechanical seal assembly axis oscillating quantities are larger to use the longevity Order short problem.It was verified that the present apparatus can be used for the industry productions such as chemical company and scientific experiment, no matter technically, Economically be all feasible in environmental protection.It has the following advantages that：

1. design of the invention is designed using the structure of the radial direction double end-face kettle top sealing with bearing, solves kettle axis pendulum Momentum is big, the short problem of mechanical seal service life, highly effective and safe, saves economic cost, extends service life.

2. design of the invention is designed using the structure of cartridge seal, easy for installation, compact-sized, cost is relatively low, Improve production efficiency.

3. being suitable for the operating condition of weak erosive and toxic and harmful gas, temperature range, pressure, revolving speed be less than 1000r. p. m.

Detailed description of the invention

Attached drawing 1 is structure chart of the invention.1. seal receptacle, 2. fluid-through tubes, 3. throw-out collars, 4. cambridge rings, 5. outer stationary rings Group, 6. O-rings, stationary ring in 7., 8. liquid level mouths, 9. rotating rings, 10. cambridge rings, 11. spacer rings, 12. trundles, 13. sealings Pad, 14. springs, 15. spaced screws, 16. axle sleeves, 17. outside framework oil seals, 18. bearings, 19. outside framework oil seals, 20. positioning sleeves, 21. Holding screw, 22. holding screws, 23. liquid outlet connectors, 24. studs, 25. pedestals, 26. spring washers, 27. nuts, 28. Stud, 29. bearing holder (housing, cover)s, 30. spring washers, 31. nuts, 32. liquid inlet joints, 33. fillister head screws, 34. oil nozzles, 35. End cap, 36. lifting bolts, 37. kettle mouth flanges.

Specific embodiment

With reference to the accompanying drawing and the preferred embodiment specific embodiment that the present invention will be described in detail.Its structure chart such as specification Shown in attached drawing.One kind 151 plus bearing mechanical seal device, including stationary ring part, ring portion and bearing portions.Its feature It is：The stationary ring part, including seal receptacle（1）, fluid-through tube（2）, throw-out collar（3）, cambridge ring（4）, outer stationary ring group（5）, O-ring （6）, interior stationary ring（7）, liquid level mouth（8）, gasket（13）, spring（14）And spaced screw（15）, play standstill seal, it is outer quiet Ring group（5）, O-ring（6）, interior stationary ring（7）It is mounted on seal receptacle（1）On, use throw-out collar（3）, cambridge ring（4）, spring（14）With Every screw（15）By O-ring（6）, outer stationary ring group（5）With interior stationary ring（7）It compresses, keeps stationary ring part non-rotatable；Practical set In, stationary ring part utilizes cambridge ring（4）, outer stationary ring group（5）, O-ring（6）, spring（14）With interior stationary ring（7）It realizes to gas in kettle The static seal effect of body and lubrication sealing fluid；Fluid-through tube（2）, liquid level mouth（8）, liquid inlet joint（32）, liquid outlet connector（23）, it is used for The circulation of lubricating fluid, gasket（13）For the sealing at kettle mouth；The ring portion, including rotating ring（9）, cambridge ring（10）, Spacer ring（11）, trundle（12）, axle sleeve（16）, holding screw（21）And holding screw（22）, play rotatory sealing, axis rotation Turn to drive and is locked at axle sleeve（16）Upper holding screw（21）And holding screw（22）Rotation, axle sleeve（16）With axis synchronous rotary, axis Set（16）On trundle（12）Drive rotating ring（9）It rotates, cambridge ring（10）, spacer ring（11）Play ring portion auxiliary Sealing function, with axle sleeve（16）Also synchronous rotary；The bearing portions, including outside framework oil seal（17）, bearing（18）, skeleton oil Envelope（19）, positioning sleeve（20）, pedestal（25）, stud（28）, bearing holder (housing, cover)（29）, spring washer（30）, nut（31）, cylinder Head screw（33）, oil nozzle（34）, end cap（35）, play the oscillating quantity of control shaft, pedestal（25）Use seal receptacle（1）Positioning, Use fillister head screw（33）Pedestal（25）And seal receptacle（1）Connection；Bearing holder (housing, cover)（29）For fixing bearing（18）Outer ring, axis It holds（18）Inner ring be mounted on axle sleeve（16）On, positioning sleeve（20）, pedestal（25）, end cap（35）And axle sleeve（16）Pass through double end spiral shell Bolt（28）, spring washer（30）And nut（31）By bearing（18）Internal and external cycle position fix, such structure, bearing（18）Peace Mounted in axle sleeve（16）On, axle sleeve（16）It rotates with the axis, so that bearing（18）Also it rotates with the axis, bearing（18）Internal and external cycle positioning it is solid Fixed structure makes bearing（18）Rotate can control shaft oscillating quantity.Oil nozzle（34）For giving bearing（18）Add lubrication Rouge, outside framework oil seal（17）, outside framework oil seal（19）Prevent bearing（18）Lubricating grease leakage is by pedestal（25）And end cap（35）Pass through Stud（28）, spring washer（30）And nut（31）Connection tightens up；Stud（24）, spring washer（26）, spiral shell It is female（27）Integral sealing is mounted on kettle mouth flange（37）On；Lifting bolt（36）It is used for sealing lifting.

The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (1)

1. one kind 151 plus bearing mechanical seal device, including stationary ring part, ring portion and bearing portions, feature exist In：The stationary ring part, including seal receptacle（1）, fluid-through tube（2）, throw-out collar（3）, cambridge ring A（4）, outer stationary ring group（5）, O-ring （6）, interior stationary ring（7）, liquid level mouth（8）, gasket（13）, spring（14）And spaced screw（15）, play standstill seal, it is outer quiet Ring group（5）, O-ring（6）, interior stationary ring（7）It is mounted on seal receptacle（1）On, use throw-out collar（3）, cambridge ring A（4）, spring（14）With Every screw（15）By O-ring（6）, outer stationary ring group（5）With interior stationary ring（7）It compresses, keeps stationary ring part non-rotatable；Fluid-through tube（2）, Liquid level mouth（8）, liquid inlet joint（32）, liquid outlet connector（23）, for the circulation of lubricating fluid, gasket（13）For close at kettle mouth Envelope；The ring portion, including rotating ring（9）, cambridge ring B（10）, spacer ring（11）, trundle（12）, axle sleeve（16）, clamp screw Follow closely A（21）With holding screw B（22）, play rotatory sealing, axis rotation, which drives, is locked at axle sleeve（16）On holding screw A （21）With holding screw B（22）Rotation, axle sleeve（16）With axis synchronous rotary, axle sleeve（16）On trundle（12）Drive rotating ring （9）It rotates, cambridge ring B（10）, spacer ring（11）Play the role of ring portion auxiliary seal, with axle sleeve（16）Also it synchronizes Rotation；The bearing portions, including outside framework oil seal A（17）, bearing（18）, outside framework oil seal B（19）, positioning sleeve（20）, pedestal （25）, stud（28）, bearing holder (housing, cover)（29）, spring washer（30）, nut（31）, fillister head screw（33）, oil nozzle（34）, end Lid（35）, play the oscillating quantity of control shaft, pedestal（25）Use seal receptacle（1）Positioning, uses fillister head screw（33）Pedestal （25）And seal receptacle（1）Connection；Bearing holder (housing, cover)（29）For fixing bearing（18）Outer ring, bearing（18）Inner ring be mounted on axle sleeve （16）On, positioning sleeve（20）, pedestal（25）, end cap（35）And axle sleeve（16）Pass through stud（28）, spring washer（30）With Nut（31）By bearing（18）Internal and external cycle position fix, such structure, bearing（18）It is mounted on axle sleeve（16）On, axle sleeve （16）It rotates with the axis, so that bearing（18）Also it rotates with the axis, bearing（18）The fixed structure of Internal and external cycle positioning make bearing （18）Rotate can control shaft oscillating quantity；Oil nozzle（34）For giving bearing（18）It is grease-added, outside framework oil seal A （17）, outside framework oil seal B（19）Prevent bearing（18）Lubricating grease leakage is by pedestal（25）And end cap（35）Pass through stud （28）, spring washer（30）And nut（31）Connection tightens up；Stud（24）, spring washer（26）, nut（27）It will Integral sealing is mounted on kettle mouth flange（37）On；Lifting bolt（36）It is used for sealing lifting.