CN102588264A - Combined cartridge mechanical sealing structure - Google Patents
Combined cartridge mechanical sealing structure Download PDFInfo
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- CN102588264A CN102588264A CN2011100081965A CN201110008196A CN102588264A CN 102588264 A CN102588264 A CN 102588264A CN 2011100081965 A CN2011100081965 A CN 2011100081965A CN 201110008196 A CN201110008196 A CN 201110008196A CN 102588264 A CN102588264 A CN 102588264A
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- ring
- mechanical seal
- pump
- stationary ring
- seal
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- Mechanical Sealing (AREA)
Abstract
The invention discloses a combined cartridge mechanical sealing structure, which comprises a movable ring, a fixed ring, an O-shaped ring, an oil isolating cooling cavity and an H-shaped framework oil seal. The movable ring is arranged at one end of a mechanical seal and capable of synchronously rotating by being perpendicular to a rotary shaft of a pump. A friction surface at one end of the fixed ring contacts with the movable ring is fixed relative to the rotary shaft when in rotation of the pump. The O-shaped ring is close to the other end of the fixed ring and used for fixing the fixed ring. The oil insolating cooling cavity is filled with cooling liquid applying to the lower portions of the movable ring and the fixed ring and cooling the friction surfaces between the movable ring and the fixed ring. The H-shaped framework oil seal is arranged in a casing and used for sealing and isolating materials in a pump cavity when the mechanical seal is in failure. The combined cartridge mechanical sealing structure is convenient in mounting, excellent in sealing effect and capable of reducing friction power loss.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of mechanical seal structure, the suit type cartridge mechanical seal that particularly a kind of pump is used.
Background technique
All the time, people adopt the multiple sealing material of one type of filler, and the outside leakage rate of liquid from the liquid pump housing along main shaft constantly reduced.Although the liquid pump that adopts in the modern crafts flow process is still continued to use the most ancient Seal Design stuffing box widely,, and be familiar with by the staff of factory again because its starting expense is low.
Yet raising along with environmental protection and human health requirement; Leakage to machinery requires also to improve constantly; Adopt the gland sealed method can not be accepted by people gradually, particularly to liquid commonplace, that corrosivity is stronger in the modern crafts flow process, therefore; In practical application, replace the gland sealed situation more and more with mechanical seal.
Mechanical seal mainly is made up of two seal rings (rotating ring, stationary ring) perpendicular to axle; The ear end face of rotating ring, the front-end face of stationary ring contact; And under the effect of the spring force of hydrodynamic pressure or compensation mechanism; Form maintenance and fit tightly the also sealing surface of slide relative, and under the cooperation of auxiliary seal, constitute the device that prevents leak of liquid.Face pressure between stationary ring and the rotating ring (the average impacting force on the seal face unit area) directly has influence on sealing effect; Face pressure can not be too big when stationary ring and rotating ring were fitted; Face pressure is crossed conference and is made the end face heating, and wearing and tearing are accelerated, and frictional power loss increases; But face pressure again can not be too small, less than the liquid counterpressure between end face, then can push seal face open, causes leakage.And when as installed, must install according to given size of when design, but the difficult control of the size of rotating ring, so this brings very big trouble to installation process, neither be very desirable even install the back sealing effect, do not reach the requirement of actual time.
Summary of the invention
The object of the present invention is to provide a kind of suit type cartridge mechanical seal, can be easy for installation, good seal performance reaches the purpose that reduces frictional power loss
In order to realize above-mentioned and other purpose, the present invention provides a kind of suit type cartridge mechanical seal, comprising:
Housing,
Injection orifice is arranged on the housing, is used for carrying out exterior washings to mechanical seal.
It is characterized in that, also comprise:
Rotating ring is arranged on the end of mechanical seal, can rotate synchronously perpendicular to the running shaft of pump;
Stationary ring, an end contact with rotating ring and form rubbing surface, and be motionless with respect to running shaft when pump rotates;
O type circle near the other end of said stationary ring, is used for fixing said stationary ring;
The separate cavities oil chamber, in establish cooling liquid, act on the bottom of said rotating ring and said stationary ring, cool off the heat that the rubbing surface between said rotating ring and the said stationary ring produces, make again heat delivered to the running shaft with housing on;
Outside framework oil seal places in the housing, is " worker " font, seals and the material in the isolation pump chamber when mechanical seal was lost efficacy.
Advantage of the present invention is:
1. the sealing surface of mechanical seal can move along axle fully when assembling, and square with the axis.
2. the fricative temperature of mechanical seal passes on axle and the housing through cooling liquid, and transfers out.
3. the fiber medium in the material is retained in outside the suit type integrated mechanical sealing support, can not damage O type circle and mechanical sealing surface.
4. installation and removal are very convenient, and when suit type integrated mechanical sealing was installed, device is whole to be moved along axle is parallel, need not rotating ring and stationary ring, fix and are in transmission connection.Need not adjustment between rotating ring and the stationary ring, as long as pump integral body carries out fasteningly just can making that mechanical seal is in place as requested.
5. suit type integrated mechanical sealing adopts the complete closed structure, can guarantee the no any external leaks of pump mechanical sealing operation.Can understand the damaged condition of mechanical seal through observing the state of separate cavities cooling liquid simultaneously.
Description of drawings
Fig. 1 is a sectional view of the present invention.
Fig. 1 is a structural representation of the present invention.
Embodiment
Below through specific instantiation and accompanying drawings mode of execution of the present invention, those skilled in the art can understand other advantage of the present invention and effect easily by the content that this specification disclosed.The present invention also can implement or use through other different instantiation, and each item details in this specification also can be based on different viewpoints and application, carries out various modifications and change under the spirit of the present invention not deviating from.
Structural representation as shown in Figure 1, that one embodiment of the invention provided.The present invention includes housing 1, injection orifice 2, outside framework oil seal 3, rotating ring 4, stationary ring 5, O type circle 6 and separate cavities oil chamber 7; Housing 1 is a shell construction of the present invention; Injection orifice 2 is set on housing 1, and this injection orifice 2 is used for carrying out exterior washings to mechanical seal; Rotating ring 4 is arranged on the end of mechanical seal, and closely contacts with the rotary component of pump, through frictional force rotating ring 4 and running shaft is rotated synchronously; One end of stationary ring 5 contacts with rotating ring 4 and forms rubbing surface, and is motionless with respect to running shaft when pump rotates; O type circle 6 the other ends near said stationary ring 5, location stationary ring 5 makes stationary ring 5 not contact with running shaft in separate cavities, in working order by rotating ring 4 axial compression, the frictional force because of 5 of O type circle 6 and stationary rings makes stationary ring 5 with respect to the running shaft transfixion; " worker " font outside framework oil seal 3 is set in housing 1, and the both sides of outside framework oil seal 3 are provided with different media, Yi Bian be cooling liquid; Be lubricant oil on one side,, can play additional seal action on the other hand so outside framework oil seal 3 can seal on the one hand; When mechanical seal begins to lose efficacy; The pump chamber partial material is retained in the isolated chambers because the effect of outside framework oil seal 3 can not arrived in the transmission cavity; Separate cavities oil chamber 7, in establish cooling liquid, be positioned at the bottom of rotating ring 4 and stationary ring 5, the temperature of the rubbing surface between cooling rotating ring 4 and the stationary ring 5.
The present invention is installed between pump chamber cavity and the transmission cavity; And rotating ring 4 closely contacts with pump housing rotor part; And make rotating ring 4 and rotor rotate synchronously through frictional force; Be inserted in from an end along axle during installation, rotating ring 4 need not extra transmission and fixing device with stationary ring 5, and rotating ring 4 need not adjustment with stationary ring 5.Reliability of Mechanical Seal is high.O type circle 6 of the present invention owing to receive the end thrust of 4 pairs of stationary rings 5 of rotating ring, plays fixedly stationary ring 5 on the one hand, keeps stationary ring 5 relative installation shaft static; Can compensate the gap that rotating ring 4 produces with stationary ring 5 wearing and tearing on the other hand.The outside framework oil seal 3 that the present invention is inner; Can play the effect that replenishes sealing, when the mechanical seal wearing and tearing, when losing efficacy gradually; Outside framework oil seal 3 can be kept at fed sheet of a media in the separate cavities; Can not get into the pump drive cavity, outside framework oil seal 3 also can be replaced with mechanical seal, improves sealing load and working life.
Sealing material of the present invention is combined as:
Advantage of the present invention is:
The mechanical seal sealing surface can move along axle fully when 1) assembling, and square with the axis.
2) the fricative temperature of mechanical seal directly passes on axle and the housing, and transfers out.
3) the fiber medium in the material is retained in the suit type integrated mechanical sealing support, can not damage O type circle 6 and mechanical sealing surface.
4) installation and removal are very convenient, and when suit type integrated mechanical sealing was installed, device is whole to be moved along axle is parallel, need not rotating ring and stationary ring, fix with passing to be connected.Need not adjustment between rotating ring and the stationary ring, as long as pump integral body carries out fasteningly just can making that mechanical seal is in place as requested.
5) suit type integrated mechanical sealing adopts the complete closed structure, can guarantee the no any external leaks of pump mechanical sealing operation.Can understand the damaged condition of mechanical seal through observing the state of separate cavities cooling liquid simultaneously.
The foregoing description is illustrative principle of the present invention and effect thereof only, but not is used to limit the present invention.Any those skilled in the art all can be under spirit of the present invention and category, and the foregoing description is modified and changed.Therefore, rights protection scope of the present invention should be listed like claims.
Claims (1)
1. suit type cartridge mechanical seal comprises:
Housing,
Injection orifice is arranged on the housing, is used for carrying out exterior washings to mechanical seal.
It is characterized in that, also comprise:
Rotating ring is arranged on the end of mechanical seal, can rotate synchronously perpendicular to the running shaft of pump;
Stationary ring, an end contact with rotating ring and form rubbing surface, and be motionless with respect to running shaft when pump rotates;
O type circle near the other end of said stationary ring, is used for fixing said stationary ring;
The separate cavities oil chamber, in establish cooling liquid, act on the bottom of said rotating ring and said stationary ring, cool off the heat that the rubbing surface between said rotating ring and the said stationary ring produces, make again heat delivered to the running shaft with housing on;
Outside framework oil seal places in the housing, is " worker " font, seals and the material in the isolation pump chamber when mechanical seal was lost efficacy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100081965A CN102588264A (en) | 2011-01-14 | 2011-01-14 | Combined cartridge mechanical sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100081965A CN102588264A (en) | 2011-01-14 | 2011-01-14 | Combined cartridge mechanical sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102588264A true CN102588264A (en) | 2012-07-18 |
Family
ID=46477375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100081965A Pending CN102588264A (en) | 2011-01-14 | 2011-01-14 | Combined cartridge mechanical sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102588264A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240351A (en) * | 2016-12-23 | 2018-07-03 | 南京金能新型材料制造厂 | Packaging type cools down anhydrous mechanical seal certainly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2174595Y (en) * | 1993-05-28 | 1994-08-17 | 石富江 | Mechanical seal |
| CN1166581A (en) * | 1996-05-29 | 1997-12-03 | 及同寅 | Mechanical sealing part for devitrified glass and its production method |
| CN2660235Y (en) * | 2003-12-24 | 2004-12-01 | 侯君 | Shaft sealing device |
| CN2890513Y (en) * | 2006-01-06 | 2007-04-18 | 丹东克隆集团有限责任公司 | Integrated mechanical seal device |
| CN201434075Y (en) * | 2009-05-15 | 2010-03-31 | 天津西泰斯机械技术有限公司 | Assembled type double end surface mechanical seal device |
| CN201696614U (en) * | 2010-06-10 | 2011-01-05 | 宁波伏尔肯机械密封件制造有限公司 | Sealing device for emulsification |
-
2011
- 2011-01-14 CN CN2011100081965A patent/CN102588264A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2174595Y (en) * | 1993-05-28 | 1994-08-17 | 石富江 | Mechanical seal |
| CN1166581A (en) * | 1996-05-29 | 1997-12-03 | 及同寅 | Mechanical sealing part for devitrified glass and its production method |
| CN2660235Y (en) * | 2003-12-24 | 2004-12-01 | 侯君 | Shaft sealing device |
| CN2890513Y (en) * | 2006-01-06 | 2007-04-18 | 丹东克隆集团有限责任公司 | Integrated mechanical seal device |
| CN201434075Y (en) * | 2009-05-15 | 2010-03-31 | 天津西泰斯机械技术有限公司 | Assembled type double end surface mechanical seal device |
| CN201696614U (en) * | 2010-06-10 | 2011-01-05 | 宁波伏尔肯机械密封件制造有限公司 | Sealing device for emulsification |
Non-Patent Citations (1)
| Title |
|---|
| 蔡仁良等: "《过程装备密封技术》", 31 May 2002, 化学工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240351A (en) * | 2016-12-23 | 2018-07-03 | 南京金能新型材料制造厂 | Packaging type cools down anhydrous mechanical seal certainly |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120718 |