CN104533827B - A kind of mechanical seal meeting ansi standard pump chamber - Google Patents
A kind of mechanical seal meeting ansi standard pump chamber Download PDFInfo
- Publication number
- CN104533827B CN104533827B CN201510013419.5A CN201510013419A CN104533827B CN 104533827 B CN104533827 B CN 104533827B CN 201510013419 A CN201510013419 A CN 201510013419A CN 104533827 B CN104533827 B CN 104533827B
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- China
- Prior art keywords
- ring
- compensates
- end cap
- medium
- side medium
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Sealing (AREA)
Abstract
The present invention discloses a kind of mechanical seal meeting ansi standard pump chamber, and axle sleeve is set with end cap, and end cap both sides are separately installed with side medium sealing, the atmospheric side sealing being sleeved on axle sleeve；Described side medium seals and includes that the side medium rotating ring being sequentially arranged on axle sleeve, side medium compensate ring, side medium spring, and described side medium spring one end compensates ring with side medium and contacts, and the other end is arranged in end cap；Described atmospheric side seals and includes that the atmospheric side rotating ring being sequentially arranged on axle sleeve, atmospheric side compensate ring, atmospheric side spring, and described atmospheric side spring one end compensates ring with atmospheric side and contacts, and the other end is arranged in end cap.The invention have the characteristics that compact conformation, radial dimension is little, it is adaptable to narrow space, the design of equilibrated type many springs, good sealing effect, and spring is used not to contact with medium material, seal the pressure suffered by entirety to cancel out each other, bidirection press can be born, be suitable for the working condition of various medium.
Description
Technical field
The present invention relates to mechanical seal field, be specifically related to a kind of mechanical seal meeting ansi standard pump chamber.
Background technology
One of feature of " chemical-process with horizontal end suction centrifugal pump specification " (ANSI/ASME B73.1M) this standard is exactly that to install the chamber sealed the narrowest, brings certain difficulty to the design sealed.
Summary of the invention
It is an object of the invention to overcome above-mentioned not enough problem, it is provided that a kind of mechanical seal meeting ansi standard pump chamber.
The technical scheme is that a kind of mechanical seal meeting ansi standard pump chamber of the present invention, axle sleeve is set with end cap, and end cap both sides are separately installed with side medium sealing, the atmospheric side sealing being sleeved on axle sleeve；Described side medium seals and includes that the side medium rotating ring being sequentially arranged on axle sleeve, side medium compensate ring, side medium spring, the sealing surface that described side medium rotating ring compensates ring with side medium fits, described side medium rotating ring is connected with axle sleeve, and sealing member one is installed therebetween, described side medium compensates ring and is positioned at end cap, and sealing member two is installed therebetween, described side medium spring one end compensates ring with side medium and contacts, and the other end is arranged in end cap；Described atmospheric side seals and includes that the atmospheric side rotating ring being sequentially arranged on axle sleeve, atmospheric side compensate ring, atmospheric side spring, the sealing surface that described atmospheric side rotating ring compensates ring with atmospheric side fits, described atmospheric side rotating ring is connected with the rotation ring seat being arranged on axle sleeve, and sealing member four is installed therebetween, described atmospheric side compensates ring and is positioned at end cap, and be connected with end cap, and sealing member three is installed therebetween, described atmospheric side spring one end compensates ring with atmospheric side and contacts, and the other end is arranged in end cap.
Described side medium compensates and is connected with throw-out collar on ring, and described throw-out collar touches with side medium spring interface.
Described side medium compensates and is connected with reducing pin between ring and throw-out collar.
Described sealing member one, sealing member two, sealing member three outer side seal point on the same line, described sealing member one, sealing member two, sealing member three inner seal point on the same line.
At described sealing member two, support ring is installed.
Trundle is installed between described side medium rotating ring and axle sleeve.
Described atmospheric side compensates ring and uses insert graphite-structure.
Described atmospheric side compensates installs stop pin between ring and end cap.
Between described atmospheric side rotating ring and rotation ring seat, rotational pin is installed.
Described rotation ring seat is connected with end cap by spacer.
The invention have the characteristics that compact conformation, radial dimension is little, it is adaptable to narrow space, the design of equilibrated type many springs, good sealing effect, and spring is used not to contact with medium material, seal the pressure suffered by entirety to cancel out each other, bidirection press can be born, be suitable for the working condition of various medium.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is throw-out collar and the reducing pin connection diagram of the present invention.
Wherein: 1, axle sleeve 2, trundle 3, O 1, side medium rotating ring 5, side medium compensate ring 6, support ring 7, throw-out collar 8, side medium spring 9, atmospheric side spring 10, O 3 11, atmospheric side compensation ring 12, atmospheric side rotating ring 13, rotational pin 14, spacer 15, rotate ring seat 16, snap ring 17, jackscrew 18, O 4 19, stop pin 20, end cap 21, reducing pin 22, O two.
Detailed description of the invention
As shown in Figure 1, 2, the present invention is a kind of mechanical seal meeting ansi standard pump chamber, and axle sleeve 1 is set with end cap 20, and end cap 20 both sides are separately installed with side medium sealing, the atmospheric side sealing being sleeved on axle sleeve 1；nullDescribed side medium seals the side medium rotating ring 4 including being sequentially arranged on axle sleeve 1、Side medium compensates ring 5、Throw-out collar 7、Side medium spring 8，The sealing surface that described side medium rotating ring 4 compensates ring 5 with side medium fits，It is connected with trundle 2 between described side medium rotating ring 4 and axle sleeve 1，And sealing member 1 is installed therebetween，Described side medium compensates ring 5 and throw-out collar 7 is respectively positioned in end cap 20，Side medium compensates ring 5 has throw-out collar 7 to support and anti-rotation，Spring force acts on side medium by throw-out collar 7 and compensates on ring 5，Its uniform force，And during wriggling，Throw-out collar 7 compensates ring 5 geo-stationary with side medium，Described side medium compensates and is connected with reducing pin 21 between ring 5 and throw-out collar 7，Reducing pin 21 is fixed on throw-out collar 7，Reducing pin 21 stress is good，It is unlikely to deform，And there is guide effect，Side medium compensates ring 5 and will not be stuck，In the case of side medium compensates ring 5 wriggling，Throw-out collar 7 is servo-actuated，Reducing pin 21 and side medium compensate ring 5 and relative motion do not occur，Decrease the abrasion of reducing pin 21 and side medium compensation ring 5，Side medium can be increased and compensate the service life of ring 5，Described side medium compensates installs sealing member 2 22 between ring 5 and end cap 20，Side medium rotating ring 4 uses float design，Increase the gap between side medium rotating ring 4 and end cap wall，Add amount of floating，Therefore support ring 6 is installed at described sealing member 2 22，Sealing member 2 22 is prevented to be pushed out，Described side medium spring 8 one end contacts with throw-out collar，The other end is arranged in end cap 20；nullDescribed atmospheric side seals the atmospheric side rotating ring 12 including being sequentially arranged on axle sleeve 1、Atmospheric side compensates ring 11、Atmospheric side spring 9，Described atmospheric side compensates ring 11 and uses insert graphite-structure，And metalwork wall thickness is bigger，Can bear sizable come pressure inside pressure sealing ring，The sealing surface that described atmospheric side rotating ring 12 compensates ring 11 with atmospheric side fits，It is connected with rotational pin between described atmospheric side rotating ring 12 and rotation ring seat 15，And sealing member 4 18 is installed therebetween，Described rotation ring seat 15 is fixed on axle sleeve 1 by jackscrew 17，And positioned by the snap ring 16 being arranged on axle sleeve 1，Sealing rotary rotation member is made to be connected as a single entity with axle，Described atmospheric side compensates ring 11 and is positioned at end cap 20，And and end cap 20 between be connected with stop pin 19，And sealing member 3 10 is installed therebetween，Described atmospheric side spring 9 one end compensates ring 11 with atmospheric side and contacts，The other end is arranged in end cap 20，Described rotation ring seat 15 is connected with end cap 20 by spacer 14，Ensure seal the axially opposing size between rotating part and end cap 20 and ensure that the axiality sealing between rotating part and end cap 20 is high，Even if the seam radially not positioned on equipment，Seal position relatively between rotating part and end cap 20 the most constant；The sealing member of the present invention all preferably O, wherein said sealing member 1, sealing member 2 22, sealing member 3 10 outer side seal point on the same line, described sealing member 1, sealing member 2 22, sealing member 3 10 inner seal point the most on the same line, the most either side medium pressure is high or sealing liquid lateral pressure is high, all can reach the effect of balance；And side medium spring 8 does not contacts with medium with atmospheric side spring 9, at spring in an atmosphere or be immersed in sealing liquid, keep cleaning to avoid the fouls such as impurity to enter and seal, compensation ring clamping stagnation and dielectric corrosion can be prevented effectively to parts such as springs.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope of present disclosure; according to technical scheme and inventive concept equivalent or change in addition thereof, all should contain within protection scope of the present invention.
Claims (9)
1. the mechanical seal meeting ansi standard pump chamber, it is characterised in that: being set with end cap (20) on axle sleeve (1), end cap (20) both sides are separately installed with side medium sealing, the atmospheric side sealing being sleeved on axle sleeve (1)；Described side medium seals the side medium rotating ring (4) including being sequentially arranged on axle sleeve (1), side medium compensates ring (5), side medium spring (8), the sealing surface that described side medium rotating ring (4) compensates ring (5) with side medium fits, described side medium rotating ring (4) is connected with axle sleeve (1), and sealing member one (3) is installed between side medium rotating ring (4) and axle sleeve (1), described side medium compensates ring (5) and is positioned at end cap (20), and side medium compensates and installs sealing member two (22) between ring (5) and end cap (20), described side medium spring (8) one end compensates ring (5) with side medium and contacts, the other end is arranged in end cap (20)；nullDescribed atmospheric side seals the atmospheric side rotating ring (12) including being sequentially arranged on axle sleeve (1)、Atmospheric side compensates ring (11)、Atmospheric side spring (9)，The sealing surface that described atmospheric side rotating ring (12) compensates ring (11) with atmospheric side fits，Described atmospheric side rotating ring (12) is connected with the rotation ring seat (15) being arranged on axle sleeve (1)，And sealing member four (18) is installed between atmospheric side rotating ring (12) and rotation ring seat (15)，Described atmospheric side compensates ring (11) and is positioned at end cap (20)，And be connected with end cap (20)，And atmospheric side compensates and is provided with sealing member three (10) between ring (11) and end cap (20)，Described atmospheric side spring (9) one end compensates ring (11) with atmospheric side and contacts，The other end is arranged in end cap (20)，Described sealing member one (3)、Sealing member two (22)、The outer side seal point of sealing member three (10) is on the same line，Described sealing member one (3)、Sealing member two (22)、The inner seal point of sealing member three (10) is on the same line.
Meet the mechanical seal of ansi standard pump chamber the most as claimed in claim 1, it is characterised in that: described side medium compensates and is connected with throw-out collar (7) on ring (5), and described throw-out collar (7) contacts with side medium spring (8).
Meet the mechanical seal of ansi standard pump chamber the most as claimed in claim 2, it is characterised in that: described side medium compensates and is connected with reducing pin (21) between ring (5) and throw-out collar (7).
Meet the mechanical seal of ansi standard pump chamber the most as claimed in claim 1, it is characterised in that: described sealing member two (22) place is provided with support ring (6).
Meet the mechanical seal of ansi standard pump chamber the most as claimed in claim 1, it is characterised in that: trundle (2) is installed between described side medium rotating ring (4) and axle sleeve (1).
Meet the mechanical seal of ansi standard pump chamber the most as claimed in claim 1, it is characterised in that: described atmospheric side compensates ring (11) and uses insert graphite-structure.
Meet the mechanical seal of ansi standard pump chamber the most as claimed in claim 1, it is characterised in that: described atmospheric side compensates installs stop pin (19) between ring (11) and end cap (20).
Meet the mechanical seal of ansi standard pump chamber the most as claimed in claim 1, it is characterised in that: rotational pin (13) is installed between described atmospheric side rotating ring (12) and rotation ring seat (15).
Meet the mechanical seal of ansi standard pump chamber the most as claimed in claim 1, it is characterised in that: described rotation ring seat (15) is connected with end cap (20) by spacer (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013419.5A CN104533827B (en) | 2015-01-12 | 2015-01-12 | A kind of mechanical seal meeting ansi standard pump chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013419.5A CN104533827B (en) | 2015-01-12 | 2015-01-12 | A kind of mechanical seal meeting ansi standard pump chamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104533827A CN104533827A (en) | 2015-04-22 |
| CN104533827B true CN104533827B (en) | 2016-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510013419.5A Active CN104533827B (en) | 2015-01-12 | 2015-01-12 | A kind of mechanical seal meeting ansi standard pump chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104533827B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883278B (en) * | 2021-08-30 | 2023-10-13 | 中建环能科技股份有限公司 | Shaft sealing device and water treatment system using same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2171023Y (en) * | 1993-07-31 | 1994-07-06 | 昃长利 | Mechanical seal for double end short driving seating pump |
| CN2403928Y (en) * | 1999-01-28 | 2000-11-01 | 华北石油管理局呼和浩特炼油厂 | Liquid hydrocarbon pump two end mechanical sealing device |
| CN2575340Y (en) * | 2002-10-21 | 2003-09-24 | 宜兴市工程塑料设备厂 | Vanes of centrifugal pressure fan and centrifugal pressure fan with the same vanes |
| GB2404220A (en) * | 2003-07-23 | 2005-01-26 | Visteon Global Tech Inc | variable speed mechanically-driven vehicular water pump with supplementary electrical drive |
| CN203809346U (en) * | 2014-04-08 | 2014-09-03 | 四川大禹机械密封件制造有限公司 | Mechanical seal device for solid-liquid two-phase flow |
| CN204572545U (en) * | 2015-01-12 | 2015-08-19 | 大连华阳密封股份有限公司 | A kind of mechanical seal meeting ansi standard pump chamber |
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2015
- 2015-01-12 CN CN201510013419.5A patent/CN104533827B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104533827A (en) | 2015-04-22 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Baojun Inventor after: Wu Qiong Inventor before: Wang Yupeng |
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| COR | Change of bibliographic data | ||
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| GR01 | Patent grant |