CN105626872B - Integrated mechanical sealing - Google Patents
Integrated mechanical sealing Download PDFInfo
- Publication number
- CN105626872B CN105626872B CN201610191380.0A CN201610191380A CN105626872B CN 105626872 B CN105626872 B CN 105626872B CN 201610191380 A CN201610191380 A CN 201610191380A CN 105626872 B CN105626872 B CN 105626872B
- Authority
- CN
- China
- Prior art keywords
- ring
- gland
- bearing
- rotating ring
- stationary ring
- Prior art date
- Legal status (The legal status 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 status listed.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 39
- 210000004907 gland Anatomy 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000002687 intercalation Effects 0.000 claims description 6
- 238000009830 intercalation Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 235000013312 flour Nutrition 0.000 abstract description 29
- 238000003801 milling Methods 0.000 abstract description 29
- 239000007788 liquid Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000498 cooling water Substances 0.000 description 6
- 238000009837 dry grinding Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- BYACHAOCSIPLCM-UHFFFAOYSA-N 2-[2-[bis(2-hydroxyethyl)amino]ethyl-(2-hydroxyethyl)amino]ethanol Chemical compound OCCN(CCO)CCN(CCO)CCO BYACHAOCSIPLCM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3404—Sealings 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/36—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member connected by a diaphragm or bellow to the other member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Mechanical Sealing (AREA)
Abstract
The present invention relates to mechanical seal field, a kind of integrated mechanical sealing is disclosed, including be sequentially sleeved in mechanical axis（4）On stationary ring（1）And rotating ring（2）, rotating ring（2）With stationary ring（1）Between face contact；With water inlet（501）And delivery port（502）Gland（5）It is enclosed on stationary ring（1）And rotating ring（2）Periphery, and gland（5）With rotating ring（2）And stationary ring（1）Between form seal cavity（6）.Sealedly flour milling between stationary ring and rotating ring can just be cooled water encirclement this machinery before mechanical axis is rotated, so when liquid reaches flour milling after mechanical axis rotation, the temperature difference between flour milling and liquid is smaller, it effectively prevent the phenomenon that flour milling is ftractureed due to temperature decrease, the sealing function between stationary ring and rotating ring has been effectively ensured, the integral sealing effect of mechanical seal is improved.
Description
Technical field
The present invention relates to mechanical seal field, more particularly to a kind of integrated mechanical sealing.
Background technology
Current mechanical seal uses structure as shown in Figure 1 mostly, and flange 3, stationary ring 1, rotating ring 2 are sequentially sleeved in mechanical axis
On 4, the drag ring 201 in rotating ring 2 contacts to form flour milling with the face of stationary ring 1, if going back no liquid entry time tool axle 4 just in flour milling
Start to rotate, flour milling can be caused to be in dry grinding state, dry grinding is easy to raise flour milling temperature, when left side liquid is due to mechanical axis
4 when being rotated into flour milling, because fluid temperature is relatively low, the flour milling higher with temperature easily lead to after contacting flour milling quenching and
Cracking, has a strong impact on the sealing between rotating ring 2 and stationary ring 1, and then cause the function reduction of whole mechanical seal.
The content of the invention
Goal of the invention：For problems of the prior art, the present invention provides a kind of integrated mechanical sealing, can made
Dry grinding phenomenon occurs in the flour milling obtained between rotating ring and stationary ring at no time, it is to avoid flour milling temperature runs into temperature when too high
Relatively low liquid and cause cracking, largely ensure that the sealing effectiveness of flour milling, it is ensured that the performance of mechanical seal.
Technical scheme：The invention provides a kind of integrated mechanical sealing, including the stationary ring being sequentially sleeved on mechanical axis and
Rotating ring, face is contacted between the rotating ring and the stationary ring；Also include the gland with water inlet and delivery port, the gland is enclosed on
The stationary ring and rotating ring periphery, and form seal cavity between the gland and the rotating ring and the stationary ring.
Further, described integrated mechanical sealing also include bearing and bearing gland, the stationary ring, the rotating ring and
The bearing is sequentially sleeved on the mechanical axis, and the bearing gland is enclosed on bearing periphery, and one end of the gland with
The bearing gland sealing is fixed, and the other end is sealed with the stationary ring and fixed.
Preferably, it is additionally provided with oil sealing between the bearing and the rotating ring.
Preferably, seal and fix between the bearing and the mechanical axis.
Further, the rotating ring is main is made up of drag ring, bellows and point half snap ring, and described point of half snap ring is enclosed on institute
State the periphery of bellows and the bellows is fixed on the mechanical axis, one end intercalation of the drag ring is in the ripple
Inside pipe, the other end and the quiet annular face contacts.
Further, in the rotating ring also include elastomeric element, the elastomeric element be enclosed on the bellows and by
It is stuck between the bellows and described point of half snap ring.
Further, the elastomeric element is mainly made up of spring and spring base, and one end of the spring is located at the bullet
In spring abutment and pressing the spring base makes the spring base effectively be contacted with the bellows, the other end of the spring with it is described
Half snap ring is divided effectively to contact.
Further, described integrated mechanical sealing also includes pin, and one end intercalation of the pin is at described point half
Inside snap ring, the other end blocks the bearing..
Preferably, gasket seal is passed through between the stationary ring and the gland.
Beneficial effect：Gland with water inlet and delivery port, gland and rotating ring are set in the mechanical seal in the present invention
Seal cavity is formed between stationary ring, before mechanical axis rotation, water inlet is first passed through and cooling water is injected into seal cavity, and lead to
Cross delivery port to circulate cooling water, when mechanical axis is rotated, due to the flour milling quilt of face contact position between stationary ring and rotating ring
Cooling water is surrounded, so flour milling will not occur temperature because of dry grinding and rise very high phenomenon, after mechanical axis rotates a period of time, machine
When liquid in tool axle reaches above-mentioned flour milling through the gap between mechanical axis and stationary ring, due to flour milling, cooled water is surrounded always,
So the temperature difference between flour milling and liquid is smaller, this just effectively prevent the phenomenon that flour milling is ftractureed due to temperature decrease, effectively protect
The sealing function between stationary ring and rotating ring has been demonstrate,proved, the integral sealing effect of mechanical seal is improved.
Brief description of the drawings
Fig. 1 is the structural representation of mechanical seal in the prior art；
Fig. 2 is the structural representation of integrated mechanical sealing in the present invention.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1：
Present embodiments provide for a kind of integrated mechanical sealing, as shown in Fig. 2 the mechanical sealing static ring 1, rotating ring 2, tool
It is made up of the gland 5, bearing 7 and bearing gland 8 of water inlet 501 and delivery port 502, wherein stationary ring 1, rotating ring 2, the and of bearing 7
Bearing gland 8 is sequentially sleeved on mechanical axis 4, and stationary ring 1 is fixed with the external flanges 3 being enclosed on mechanical axis 4, and therebetween
Sealed, face is contacted between rotating ring 2 and stationary ring 1, sealed between bearing 7 and rotating ring 2 by oil sealing 9 by pad 10, bearing 7 and machine
Sealed and fixed by O-ring 11 between tool axle 4, gland 5 is enclosed on stationary ring 1 and the periphery of rotating ring 2, and gland 5 and stationary ring 1 and rotating ring
Between 2 formed seal cavity 6, fixed between one end of gland 5 and flange 3 by hexagon socket cap head screw 12, with stationary ring 1 it
Between sealed by pad 10, the other end and the bearing gland 8 of gland 5 are fixed by hexagon socket cap head screw 12, and by O-shaped
Circle 11 is sealed.
Above-mentioned rotating ring 2 is main to be made up of bellows 202, drag ring 201 and point half snap ring 203, therein point of half snap ring 203
Bellows 202 is pressed abd fixed on mechanical axis 4 by hexagon socket cap head screw 12, one end intercalation of drag ring 201 is in ripple
In line pipe 202, face is contacted between the other end and stationary ring 1, and the contact surface is the flour milling between rotating ring 2 and stationary ring 1, in bellows
202 peripheries are also cased with the elastomeric element 204 being made up of spring 2041 and spring base 2042, and spring base 2042 is the cup of one end open
Body structure, one end of spring 2041 is located in spring base 2042, and the other end is reached outside spring base 2042, in order to prevent spring
2041 are contaminated by dust, and are stretched out in spring 2041 between one end of spring base 2042 and point half snap ring 203 and are additionally provided with dust cover
205, because the elastic force of spring 2041 is acted on, spring base 2042, which is compacted, to be stuck between spring 2041 and bellows 202, dust cover
205 are stuck between spring 2041 and point half snap ring 203；Bellows 202 itself has certain elasticity, can be in above-mentioned flour milling
Ensure in sealing contact between stationary ring 1 and drag ring 201 after rubbing for a long time, add the effect of spring 2041 so that stationary ring 1 with
In sealing contact even closer between drag ring 201, sealing effectiveness is more preferable.
Sealedly operation principle is as follows for this machinery：
Before the rotation of mechanical axis 4, cooling water is injected into seal cavity 6 by water inlet 501, mechanical axis 4 is then rotated,
The rotation of mechanical axis 4 drives rotating ring 2 and bearing 7 to rotate together, while rotating, stationary ring 1 and the drag ring in rotating ring 2
Cooling water is surrounded around flour milling between 201, and the cooling water can form circulating cooling by the outflow of delivery port 502
Water so that the temperature on flour milling will not be raised, after mechanical axis 4 rotates a period of time, the left end of mechanical axis 4 has liquid through stationary ring
Gap between 1 and mechanical axis 4 is reached around flour milling, because the temperature difference between flour milling temperature now and liquid is not
It is very big, thus flour milling temperature will not the rapid drawdown because of the arrival of liquid, effectively prevent the cracking of flour milling, prevent liquid from being let out through flour milling
Leakage, this is first seal point；Due to thering is pad 10 to seal between flange 3 and stationary ring 1 and stationary ring 1 and gland 5, so liquid
Body will not be through the clearance leakage between flange 3 and stationary ring 1 and stationary ring 1 and gland 5, and this is second seal point；In addition, rotating ring
Bellows 202 in 2 is fixed on the outside of mechanical axis 4 by point clamping of half snap ring 203, so between bellows 202 and mechanical axis 4
It is sealed, prevents liquid through the clearance leakage between bellows 202 and mechanical axis 4, this is the 3rd seal point；Above three
The sealing function of aspect make it that sealedly sealing effectiveness reaches most preferably this machinery.Pass through O-ring 11 between bearing 7 and mechanical axis 4
Sealing, can prevent the outside moisture on the right side of mechanical axis 4 from entering mechanical seal through the gap between bearing 7 and mechanical axis 4, and O-shaped
Circle 11 can follow mechanical axis 7 to rotate together with dynamic bearing 7.
Embodiment 2：
Present embodiment is the further improvement of embodiment 1, is mainly theed improvement is that：In embodiment 1, in order to
It is easy to assembling, typically certain gap can will be left between bearing 7 and mechanical axis 4, so when mechanical seal is in outdoor application,
The gap that rainy day rainwater is easily accessible between bearing 7 and mechanical axis 4 causes bearing 7 to get rusty, the bearing 7 after getting rusty and machinery
Frictional force between axle 4 is larger, and being easily caused when O-ring 11 is rotated with mechanical axis 4 can not rotate with dynamic bearing 7,
And O-ring 11 can be caused to be damaged by friction, influence the integral sealing effect of mechanical seal；And the mechanical seal in present embodiment
Pin 13 is additionally provided with, one end intercalation of the pin 13 is in point half snap ring 203, and the other end blocks bearing 7, so, when point half
When snap ring 203 is rotated with mechanical axis 4, the also concomitant rotation of pin 13, and then also and then rotated with dynamic bearing 7, it is to avoid O-shaped
Relative displacement between circle 11 and bearing 7, effectively prevents O-ring 11 to be worn, and lifts this machinery sealedly integral sealing effect.
The technical concepts and features of above-mentioned embodiment only to illustrate the invention, its object is to allow be familiar with technique
People can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent transformation or modification that Spirit Essence is done, should all be included within the scope of the present invention.
Claims (7)
1. a kind of integrated mechanical sealing, including it is sequentially sleeved in mechanical axis（4）On stationary ring（1）, rotating ring（2）And bearing（7）, institute
State rotating ring（2）With the stationary ring（1）Between face contact；Characterized in that, also including that there is water inlet（501）And delivery port
（502）Gland（5）And pin（13）, the gland（5）It is enclosed on the stationary ring（1）With the rotating ring（2）Periphery, and it is described
Gland（5）With the rotating ring（2）With the stationary ring（1）Between form seal cavity（6）；The rotating ring（2）Mainly by drag ring
（201）, bellows（202）, point half snap ring（203）And elastomeric element（204）Composition, described point of half snap ring（203）It is enclosed on described
Bellows（202）Periphery and by the bellows（202）It is fixed on the mechanical axis（4）On, the drag ring（201）One
Intercalation is held in the bellows（202）Inside, the other end and the stationary ring（1）Face is contacted；The elastomeric element（204）It is enclosed on institute
State bellows（202）Periphery and it is stuck in the bellows（202）With described point of half snap ring（203）Between；The pin（13）
One end intercalation in described point of half snap ring（203）Inside, the other end blocks the bearing（7）.
2. integrated mechanical sealing according to claim 1, it is characterised in that also comprising bearing gland（8）, the bearing
Gland（8）It is enclosed on the bearing（7）Periphery, and the gland（5）One end and the bearing gland（8）Sealing is fixed, another
End and the stationary ring（3）Sealing is fixed.
3. integrated mechanical sealing according to claim 2, it is characterised in that in the bearing（7）With the rotating ring（2）
Between be additionally provided with oil sealing（9）.
4. integrated mechanical sealing according to claim 2, it is characterised in that the bearing（7）With the mechanical axis（4）
Between seal fix.
5. integrated mechanical sealing according to claim 1, it is characterised in that the elastomeric element（204）Mainly by bullet
Spring（2041）And spring base（2042）Composition, the spring（2041）One end be located at the spring base（2042）It is interior and press institute
State spring base（2042）Make the spring base（2042）With the bellows（202）Effectively contact, the spring（2041）It is another
One end and described point of half snap ring（203）Effectively contact.
6. integrated mechanical sealing according to claim 5, it is characterised in that the rotating ring（2）Also include dust cover
（205）, the dust cover（205）It is installed on described point of half snap ring（203）With the spring（2041）Between.
7. integrated mechanical sealing according to any one of claim 1 to 6, it is characterised in that the stationary ring（1）With institute
State gland（5）Between pass through pad（10）Sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191380.0A CN105626872B (en) | 2016-03-30 | 2016-03-30 | Integrated mechanical sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191380.0A CN105626872B (en) | 2016-03-30 | 2016-03-30 | Integrated mechanical sealing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105626872A CN105626872A (en) | 2016-06-01 |
| CN105626872B true CN105626872B (en) | 2017-08-11 |
Family
ID=56042070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610191380.0A Active CN105626872B (en) | 2016-03-30 | 2016-03-30 | Integrated mechanical sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105626872B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106052233A (en) * | 2016-07-21 | 2016-10-26 | 上海创历制冷设备有限公司 | External shaving type slice ice manufacturing machine structure |
| CN106351868B (en) * | 2016-11-07 | 2019-04-30 | 安徽卧龙泵阀股份有限公司 | A kind of packaging type water chiller envelope and the pump containing machine envelope |
| CN106678073A (en) * | 2017-03-22 | 2017-05-17 | 张家港市鑫泉密封件有限公司 | Cartridge mechanical seal without bushing and bearing |
| CN109058467B (en) * | 2018-10-16 | 2023-10-31 | 宁波天工机械密封有限公司 | Corrosion-resistant mechanical seal and installation method |
| CN109027245A (en) * | 2018-10-23 | 2018-12-18 | 昆山福步工业设备有限公司 | A kind of New corrugated pipe mechanical seal |
| CN109185462A (en) * | 2018-10-31 | 2019-01-11 | 东莞市华汇精密机械有限公司 | A kind of dry-type mechanical sealing device of ultrahigh speed homogenizer |
| CN112096876B (en) * | 2020-09-11 | 2022-11-04 | 东台市光明机械密封有限公司 | Corrosion-resistant container type mechanical seal and working method thereof |
| CN113244827A (en) * | 2021-06-07 | 2021-08-13 | 台州海辰科技有限公司 | High-temperature high-pressure mixing equipment for producing degradable plastics |
| CN113324035A (en) * | 2021-06-07 | 2021-08-31 | 台州海辰科技有限公司 | Shaft lever mechanical sealing mechanism of high-temperature and high-pressure mixer for plastic production |
| CN113209866A (en) * | 2021-06-07 | 2021-08-06 | 台州海辰科技有限公司 | Stirring mechanism of high-temperature mixer for plastic production |
| CN115539160B (en) * | 2022-12-01 | 2023-03-10 | 中国核动力研究设计院 | Turbine system under supercritical carbon dioxide environment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6626436B2 (en) * | 1997-08-20 | 2003-09-30 | Crane John Inc | Monitoring seal system |
| CN201027978Y (en) * | 2007-03-09 | 2008-02-27 | 艾志工业技术集团有限公司 | Container type mechanical seal with sealing ring |
| CN201787068U (en) * | 2010-08-04 | 2011-04-06 | 安徽亚兰密封件有限公司 | Torsion-free mechanical sealing device |
| CN203282259U (en) * | 2013-05-10 | 2013-11-13 | 上海重型机床厂有限公司 | Mechanical sealing device of machine tool spindle |
| CN203823072U (en) * | 2014-05-06 | 2014-09-10 | 曹文杰 | Cartridge mechanical seal device |
| CN105545795A (en) * | 2016-01-05 | 2016-05-04 | 安徽绿源泵阀制造有限公司 | Novel water cooling acid-resistant, alkali-resistant and high-temperature-resistant packaged type mechanical seal |
| CN205896179U (en) * | 2016-03-30 | 2017-01-18 | 张家港市鑫泉密封件有限公司 | Container type mechanical seal |
-
2016
- 2016-03-30 CN CN201610191380.0A patent/CN105626872B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105626872A (en) | 2016-06-01 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20211021 Address after: 215635 No. 62, group 7, xiaomingsha village, Jingang town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: Zhang Hua Address before: 215600 Jingang town Deji Shuangfeng Village Jincheng Road, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee before: ZHANGJIAGANG XINQUAN SEALING MEMBER Co.,Ltd. |
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| TR01 | Transfer of patent right |