CN203836215U - Multi-spring mechanical sealing device - Google Patents
Multi-spring mechanical sealing device Download PDFInfo
- Publication number
- CN203836215U CN203836215U CN201420281089.9U CN201420281089U CN203836215U CN 203836215 U CN203836215 U CN 203836215U CN 201420281089 U CN201420281089 U CN 201420281089U CN 203836215 U CN203836215 U CN 203836215U
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- CN
- China
- Prior art keywords
- ring
- spring
- mechanical seal
- spring seat
- stationary ring
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- 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.)
- Expired - Fee Related
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- Mechanical Sealing (AREA)
Abstract
The utility model discloses a multi-spring mechanical sealing device. The multi-spring mechanical sealing device comprises a static ring cover, a static ring, a movable ring, a spring seat, a push cushion and a plurality of springs, wherein the static ring movably sleeves a revolving shaft, and is fixed in the static ring cover; an L-shaped static ring sealing ring is clamped between the static ring cover and the static ring; the movable ring movably sleeves the revolving shaft, and is in planar fit with the static ring; a movable ring bayonet is formed in the outer diameter of the movable ring; the spring seat fixedly sleeves the revolving shaft; the upper end face of the spring seat is provided with a plurality of spring holes; a locking convex lug which corresponds to the movable ring bayonet is arranged on the outer diameter of the upper end face of the spring seat; the push cushion movably sleeves the revolving shaft, and is in planar fit with the movable ring; a push cushion bayonet which corresponds to the locking convex lug is formed in the outer diameter of the push cushion; the quantity of the springs is the same as that of spring holes; one ends of the springs are embedded into the spring holes, and the other ends of the springs are pressed against the push cushion. A multi-spring mechanical seal with uniform elastic force is arranged, and a mechanical seal spring seat is provided with a transmission pin, thereby ensuring stable working of a water pump under a high-speed running condition, and preventing leakage.
Description
Technical field
The utility model relates to axle class field of sealing technology, particularly a kind of multiple-spring mechanical seal device.
Background technique
Mechanical seal device is for to sealing between axle and equipment, prevents that medium from revealing from the circumferential clearance of axle and equipment.Form mechanical seal device and comprise the rotating ring that can rotate with the axis, and the stationary ring that is oppositely arranged of seal face and rotating ring seal face, one of them ring of rotating ring and stationary ring is axial restraint, another ring can fit tightly to guarantee the seal face of its seal face and another ring by axial float by spring assembly adjustment, the seal face of rotating ring and the stationary ring seal face friction pair that partners, prevents that medium from revealing.
The conventional spring of existing single-spring mechanical seal is as driving mechanism, and it is simple in structure, but transmission is not too reliable, and elastic force is inhomogeneous, should not be for running up.By the uniform multiple-spring mechanical seal of elastic force is set, and on mechanical seal spring seat, driving pin is set, make water pump can be in the operating mode that runs up stable operation, guarantee without leaking.
The information that is disclosed in this background technique part is only intended to increase the understanding to general background of the present utility model, and should not be regarded as admitting or imply that in any form this information structure has been the known prior art of persons skilled in the art.
Model utility content
The purpose of this utility model is to provide a kind of elastic force uniform multiple-spring mechanical seal, and on mechanical seal spring seat, driving pin is set, make water pump can be in the operating mode that runs up stable operation, thereby the transmission that overcomes prior art is not too reliable, elastic force is inhomogeneous, should not be for the situation such as running up.
For achieving the above object, the utility model provides a kind of multiple-spring mechanical seal device, comprising: stationary ring lid; Stationary ring, is movably set in rotating shaft and is fixed in stationary ring lid, between stationary ring lid and stationary ring, is folded with L-type stationary ring seal ring; Rotating ring, is movably set in rotating shaft and coordinates with stationary ring plane, is provided with rotating ring bayonet socket on the external diameter of rotating ring; Spring seat, fixed cover is located in rotating shaft, and the upper-end surface of spring seat arranges a plurality of spring eyes, and the external diameter of upper-end surface is provided with the kayser lug corresponding with rotating ring bayonet socket; Pushing pad, is movably set in rotating shaft and coordinates with rotating ring plane, and the external diameter of pushing pad is provided with the pushing pad bayonet socket corresponding with kayser lug; And a plurality of springs, spring is identical with the quantity of spring eye, and one end of spring is embedded in spring eye, and the other end and pushing pad offset.
Preferably, in technique scheme, the outer installment of L-type stationary ring seal ring has waterproof rib.
Preferably, in technique scheme, between rotating ring and rotating shaft, be folded with O type seal ring of moving ring.
Preferably, in technique scheme, rotating ring and pushing pad can be connected in spring seat, and can be with rotating shaft rotation and axial float.
Preferably, in technique scheme, the lower end surface of spring seat is provided with the pollutant exhaust hole corresponding with spring eye position and quantity, and the diameter of pollutant exhaust hole is less than the diameter of spring eye.
Preferably, in technique scheme, be also provided with driving pin on the lower end surface of spring seat, driving pin coordinates with impeller clearance.
Compared with prior art, the utlity model has following beneficial effect:
1. a plurality of springs are installed on spring seat, and the design of a plurality of springs makes structure compacter, thereby has guaranteed the even of compensation elastic force.
2. the kayser lug on the external diameter of spring seat upper-end surface has guaranteed the stable of moment transmission, and the driving pin of lower end surface has guaranteed the stable of driving force.
3. the pollutant exhaust hole on spring seat can prevent that the impurity spring blocking hole in medium from causing spring failure.
4. the waterproof rib arranging on stationary ring seal ring can make sealing effect better.
Accompanying drawing explanation
Fig. 1 is the structural representation according to mechanical seal device of the present utility model.
Fig. 2 is the three-dimensional assembly diagram according to mechanical seal device of the present utility model.
Fig. 3 is the three-dimensional exploded view according to mechanical seal device of the present utility model.
Fig. 4 is the another three-dimensional exploded view according to mechanical seal device of the present utility model.
Fig. 5 is the three-dimensional exploded view again according to mechanical seal device of the present utility model.
Main description of reference numerals:
1-stationary ring seal ring, 2-stationary ring, 3-rotating ring, 31-rotating ring bayonet socket, 4-seal ring of moving ring, 5-pushing pad, 51-pushing pad bayonet socket, 6-spring, 7-spring seat, 71-kayser lug, 72-spring eye, 8-driving pin, 9-impeller, 10-stationary ring lid, 11-waterproof rib.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subject to the restriction of embodiment.
Unless separately there is other clearly to represent, otherwise in whole specification and claims, term " comprises " or its conversion was stated being understood to include as " comprising " or " including " etc. element or constituent element, and do not get rid of other element or other constituent element.
As shown in Figures 1 to 5, the multiple-spring mechanical seal device according to the utility model embodiment, comprising: stationary ring lid 10, stationary ring 2, rotating ring 3, spring seat 7, pushing pad 5 and spring 6.Wherein:
Stationary ring 2 is movably set in rotating shaft, and is fixed in stationary ring lid 10.Between stationary ring lid and stationary ring, be folded with L-type stationary ring seal ring, the setting of stationary ring seal ring 1 can prevent that medium is from leakage between stationary ring 2 and stationary ring lid 10.The outer installment of L-type stationary ring seal ring has many waterproof ribs 11, waterproof rib 11 the further sealing of having strengthened is set, thereby make sealing effect reach best.
Rotating ring 3 is movably set in rotating shaft, is folded with O type seal ring of moving ring 4 between rotating ring 3 and rotating shaft, and seal ring of moving ring 4 is anchored between rotating ring and rotating shaft, thereby makes sealing effect better.Rotating ring 3 coordinates with stationary ring 2 planes.On the external diameter of rotating ring 3, be provided with rotating ring bayonet socket 31, the quantity of rotating ring bayonet socket 31 is preferably four.
Spring seat 7 fixed covers are located in rotating shaft, the upper-end surface of spring seat 7 arranges a plurality of spring eyes 72, and the external diameter of upper-end surface is provided with the kayser lug 71 corresponding with rotating ring bayonet socket 31, and the quantity of kayser lug 71 is preferably four, kayser lug 71 has guaranteed the stable of moment transmission.The lower end surface of spring seat 7 is provided with the pollutant exhaust hole 73 corresponding with spring eye position and quantity, and the diameter of pollutant exhaust hole 73 is less than the diameter of spring eye 72, and the setting of pollutant exhaust hole 73 can prevent the impurity spring blocking hole 72 in medium and cause spring 6 to lose efficacy.The lower end surface of spring seat 7 is also provided with driving pin 8, driving pin 8 and impeller 9 Spielpassung, thus guaranteed that driving pin is difficult for by dielectric corrosion, and then guaranteed the stability of driving force.By the impeller 9 being fixed in rotating shaft, drive driving pin 8, realize mechanical seal running.
Pushing pad 5 is movably set in rotating shaft and coordinates with rotating ring 3 planes, is provided with the pushing pad bayonet socket 51 corresponding with kayser lug 71 on the external diameter of pushing pad 5, and the quantity of pushing pad bayonet socket 51 is preferably four.
A plurality of springs 6, one end of a plurality of springs 6 is embedded in respectively in a plurality of spring eyes 72, and the other end and pushing pad 5 offset.The quantity of spring is preferably six.The setting of a plurality of springs 6 makes compact structure, has fully guaranteed the even of compensation elastic force.
In installing and using, rotating shaft is through the endoporus of stationary ring lid 10, stationary ring 2, rotating ring 3, pushing pad 5 and spring seat 7.Stationary ring 2 is movably set in rotating shaft and is fixed in stationary ring lid 10.Spring seat 7 is fixedly connected with rotating shaft 10 by impeller 9, pushing pad 5 is movably set in rotating shaft, and is rotatably connected in spring seat 7, and after clamping, pushing pad bayonet socket 51 engages with kayser lug 71, both the thrust that had kept 5 pairs of rotating rings 3 of pushing pad after clamping, makes again pushing pad 5 can from spring seat 7, not deviate from.Rotating ring 3 is movably set in rotating shaft, is rotatably connected in spring seat 7, and after clamping, rotating ring bayonet socket 31 engages with kayser lug 71.After rotating ring 3, pushing pad 5 and spring seat 7 clampings, can guarantee that rotating ring 3 and pushing pad 5 are with rotating shaft rotation, spring 6 makes rotating ring 3 energy axial floats by pushing pad 5 simultaneously, has guaranteed the even of compensation elastic force, forms stable sealing, has good sealing effect.
The aforementioned description to concrete exemplary of the present utility model is for the object with illustration is described.These descriptions not want the utility model to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.Exemplary embodiment is selected and the object described is to explain certain principles of the present utility model and practical application thereof, thereby made those skilled in the art can realize and utilize various exemplary of the present utility model and various selection and change.Scope of the present utility model is intended to be limited by claims and equivalents thereof.
Claims (6)
1. a multiple-spring mechanical seal device, is characterized in that, described multiple-spring mechanical seal device comprises:
Stationary ring lid;
Stationary ring, it is movably set in rotating shaft and is fixed in described stationary ring lid, between described stationary ring lid and described stationary ring, is folded with L-type stationary ring seal ring;
Rotating ring, it is movably set in described rotating shaft and coordinates with described stationary ring plane, is provided with rotating ring bayonet socket on the external diameter of described rotating ring;
Spring seat, its fixed cover is located in described rotating shaft, and the upper-end surface of described spring seat arranges a plurality of spring eyes, and the external diameter of upper-end surface is provided with the kayser lug corresponding with described rotating ring bayonet socket;
Pushing pad, it is movably set in described rotating shaft and coordinates with described rotating ring plane, and the external diameter of described pushing pad is provided with the pushing pad bayonet socket corresponding with described kayser lug; And
A plurality of springs, described spring is identical with the quantity of described spring eye, and one end of described spring is embedded in described spring eye, and the other end and described pushing pad offset.
2. multiple-spring mechanical seal device according to claim 1, is characterized in that, the outer installment of described L-type stationary ring seal ring has waterproof rib.
3. multiple-spring mechanical seal device according to claim 1, is characterized in that, is folded with O type seal ring of moving ring between described rotating ring and described rotating shaft.
4. multiple-spring mechanical seal device according to claim 1, is characterized in that, described rotating ring and described pushing pad can be connected in described spring seat, and can be with described rotating shaft rotation and axial float.
5. multiple-spring mechanical seal device according to claim 1, is characterized in that, the lower end surface of described spring seat is provided with the pollutant exhaust hole corresponding with described spring eye position and quantity, and the diameter of described pollutant exhaust hole is less than the diameter of described spring eye.
6. multiple-spring mechanical seal device according to claim 1, is characterized in that, is also provided with driving pin on the lower end surface of described spring seat, and described driving pin coordinates with impeller clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420281089.9U CN203836215U (en) | 2014-05-28 | 2014-05-28 | Multi-spring mechanical sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420281089.9U CN203836215U (en) | 2014-05-28 | 2014-05-28 | Multi-spring mechanical sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203836215U true CN203836215U (en) | 2014-09-17 |
Family
ID=51514057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420281089.9U Expired - Fee Related CN203836215U (en) | 2014-05-28 | 2014-05-28 | Multi-spring mechanical sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203836215U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246922A (en) * | 2016-08-25 | 2016-12-21 | 浙江南元泵业有限公司 | horizontal mechanical seal for pump |
| CN108088614A (en) * | 2017-12-28 | 2018-05-29 | 苏州康姆普机械有限公司 | It is a kind of to seal the pressure sensor strengthened |
| CN108253141A (en) * | 2018-03-26 | 2018-07-06 | 安徽黄山胶囊股份有限公司 | A kind of glue pot shaft sealer |
| CN109163095A (en) * | 2018-09-28 | 2019-01-08 | 安徽安密机械密封有限公司 | A kind of multiple springs mechanical sealing assembly and its installation method |
-
2014
- 2014-05-28 CN CN201420281089.9U patent/CN203836215U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246922A (en) * | 2016-08-25 | 2016-12-21 | 浙江南元泵业有限公司 | horizontal mechanical seal for pump |
| CN108088614A (en) * | 2017-12-28 | 2018-05-29 | 苏州康姆普机械有限公司 | It is a kind of to seal the pressure sensor strengthened |
| CN108253141A (en) * | 2018-03-26 | 2018-07-06 | 安徽黄山胶囊股份有限公司 | A kind of glue pot shaft sealer |
| CN108253141B (en) * | 2018-03-26 | 2024-04-09 | 安徽黄山胶囊股份有限公司 | Shaft sealing device for sol tank |
| CN109163095A (en) * | 2018-09-28 | 2019-01-08 | 安徽安密机械密封有限公司 | A kind of multiple springs mechanical sealing assembly and its installation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20170528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |