CN201065852Y - Submersible pump sealing device - Google Patents
Submersible pump sealing device Download PDFInfo
- Publication number
- CN201065852Y CN201065852Y CNU2007201119009U CN200720111900U CN201065852Y CN 201065852 Y CN201065852 Y CN 201065852Y CN U2007201119009 U CNU2007201119009 U CN U2007201119009U CN 200720111900 U CN200720111900 U CN 200720111900U CN 201065852 Y CN201065852 Y CN 201065852Y
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- CN
- China
- Prior art keywords
- drive sleeve
- seal
- pump shaft
- sealing
- connect
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a sealing device for submersible pump with two mechanically sealing end surfaces, which can prevent the medium from entering the motor, comprising a pump shaft, a pressure spring, a dynamic seal, a static seal, a plurality of connecting transmission sleeve, a sealing ring and other members; the utility model is characterized in that a keyway to fix the connecting transmission sleeve is arranged on the pump shaft; the pressure spring gearedly connected with two symmetrical connecting transmission sleeves respectively is arranged on the external periphery of the connecting transmission sleeve; the static seal and the connecting transmission sleeve are respectively arranged on two sides of the dynamic seal; the static seal, the dynamic seal, the connecting transmission sleeve and the sealing ring are all two and are symmetrically arranged; in addition, the sealing ring arranged between the connecting transmission sleeve and the dynamic seal is sleeved on the pump shaft; a gasket to get excellent sealing performance is arranged on the sealing ring, and the static seal is arranged on a rubber base. The utility model has the advantages of reduced leakage quantity for the end surfaces, reliable sealing and certain protection effect for the pump shaft.
Description
Technical field
The utility model relates to a kind of seal arrangement, particularly a kind of submersible pump seal arrangement of both ends of the surface mechanical seal.
Background technique
At present, submersible pump mechanical seal of the prior art generally adopts the cooperation of the flexible connection between static seal, motive sealing, pressure spring and the rubber seal seat to realize sealing.But thisly be combined with a lot of deficiencys, as the instability that turns round, problems such as the oiling agent amount of leakage is big, sometimes on-stream, be subjected to the influence of the frequent change of motor speed, static seal, under motive sealing and the acting in conjunction of pressure spring tension force, seal face easily produces fluctuation, makes suffered equilibrant irregular, stability decreases, and sealing medium enters on the seal face particle and seal face generation friction, destruction or damage motive sealing usually, cause seal failure, shorten the life-span of mechanical seal, or, lost motive sealing and shaft seal effect along with the wearing and tearing or the distortion of rubber seal seat, do not reach synchronous speed with pump shaft, motive sealing and pump shaft friction cause the damage of pump shaft, make sealing state destroy the adverse consequences that causes pump to burn.
Summary of the invention
Unstable for solving submersible pump mechanical seal running of the prior art, the oiling agent amount of leakage is big, and seal face easily produces fluctuation, stability decreases, problem such as cause that pump burns provides a kind of good sealing effect that has, stable performance, long service life, submersible pump seal arrangement easy for installation.
The novel purpose of this use realizes by following measure:
1, a kind of submersible pump seal arrangement comprises that a pump shaft, connects drive sleeve, a pressure spring, a motive sealing, a static seal and a seal ring, is characterized in that:
1. described connection drive sleeve comprises and connects drive sleeve on one and be connected drive sleeve once, described connection drive sleeve comprises a spring stop and several engagement floors, described spring stop is an one with the engagement floor, describedly be provided with several projections, describedly go up the difference that connects drive sleeve and connect down between the drive sleeve and be down that the connection transmission is with a keyway in the spring stop upper-end surface;
2. described pump shaft is provided with a key, and described key matches with the keyway that is connected on the drive sleeve down, is used for fixing down to connect drive sleeve, makes down connection drive sleeve and pump shaft keep rotating synchronously;
3. described motive sealing periphery is provided with several grooves, be connected drive sleeve on the corresponding projection that is provided be meshed, match with the spring stop upper-end surface that is connected drive sleeve in the lower end surface of motive sealing;
4. establish a groove in the described motive sealing in addition, be used to place seal ring, connect drive sleeve and pressure spring and interact, compress seal ring.
Submersible pump seal arrangement of the present utility model also has following feature:
The described engagement floor of drive sleeve that go up to connect is meshed with the engagement floor that is connected drive sleeve down, make connect drive sleeve with under be connected drive sleeve and the synchronous rotation of pump shaft maintenance.
The utility model compared with prior art has simple in structure; the sealing easily damaged parts is changed at any time; reduced the waste of integral replacing; long service life; owing to adopted better fixation method, greatly reduce the amount of leakage of end face, sealing is reliable; more pump shaft has been played the certain protection effect, easy for installation also is another advantage of the present utility model.
Description of drawings:
Below in conjunction with accompanying drawing and enforcement submersible pump seal arrangement of the present utility model is described further.
Fig. 1 is the erection drawing of submersible pump seal arrangement of the present utility model;
Fig. 2 is the front section view of submersible pump seal arrangement of the present utility model;
Fig. 3 is the side sectional view of submersible pump seal arrangement of the present utility model;
Fig. 4 is the explosive view of submersible pump seal arrangement of the present utility model.
Among the figure: 3 motive sealings of 1 sealing rubber base, 2 static seals
4 seal rings, 5 keyways connect drive sleeve 7 times
8 pressure springs, 9 pump shafts
10 keys, 11 engagement floors, 12 spring stops
Connect drive sleeve on 13 grooves, 14 projections 20
Embodiment
As depicted in figs. 1 and 2: submersible pump seal arrangement of the present utility model comprises and connects drive sleeve 20 on the pump shaft 9,, connects drive sleeve 7, a pressure spring 8, a motive sealing 3, a static seal 2 and a seal ring 4 once.
As shown in Figures 1 to 4, this submersible pump seal arrangement is provided with respectively at the two ends of pressure spring 8 and connects drive sleeve 20 on one and be connected drive sleeve 7 once, all have an identical spring stop 12 and several engagement floors 11 in last connection drive sleeve 20 on the drive sleeve 7 with being connected down, last connection drive sleeve 20 and the difference that connects down between the drive sleeve 7 are down that connection drive sleeve 7 has a keyway 5, the engagement floor 11 of last connection drive sleeve 20 can be meshed for one 45 ° with engagement floor 11 rotations that are connected drive sleeve 7 down, make connect drive sleeve 20 with under be connected drive sleeve 7 and can keep synchronous rotation, be provided with several projections 14 in spring stop 12 upper-end surfaces.Be provided with a key 10 on pump shaft 9, key 10 matches with the keyway 5 that is connected drive sleeve 7 down, is used for fixing and connects drive sleeve 4 down, makes down connection drive sleeve 4 and pump shaft 9 keep rotating synchronously.In last connection drive sleeve 20 and following the connection between the drive sleeve 7 pressure spring 8 is arranged, pressure spring 8 promotes to go up connection drive sleeve 20 and the following drive sleeve 7 that is connected compresses corresponding seal ring 4.With what be connected that drive sleeve matches is motive sealing 3, motive sealing 3 peripheries are provided with several grooves 13, groove 13 be connected drive sleeve on be provided with corresponding protruding 14 be meshed, make and connect drive sleeve with motive sealing 3 maintenances rotation synchronously, match with spring stop 12 upper-end surfaces that are connected drive sleeve in the lower end surface of motive sealing 3, establish a groove in the motive sealing 3 in addition, be used to place seal ring 4, connect drive sleeve and pressure spring 8 interactions, compress seal ring 4, thereby make seal ring 4 tightly press pump shaft 9, and then stronger seal action is arranged.
In the utility model, static seal 2, motive sealing 3, connect drive sleeve, seal ring 4 is 2 symmetries and places, and seal ring 4 is sleeved on the pump shaft, is connecting between drive sleeve and the motive sealing 3, make it to fit together perfectly, static seal 2 is enclosed within respectively in the sealing rubber base 1, and sealing rubber base 1 is enclosed within on the corresponding pump cover, like this slide relative between motive sealing 3 and the static seal 2, motive sealing 3 keeps rotating synchronously with pump shaft 9, and static seal 2 keeps relative static with sealing rubber base 1.
, but should be understood that under the situation that does not break away from relevant protection domain defined by the claims that those skilled in the art can make change and/or revise according to embodiment of the present utility model describing the present invention property and nonrestrictive description.
Claims (2)
1. a submersible pump seal arrangement comprises a pump shaft, a connection drive sleeve, a pressure spring, a motive sealing, a static seal and a seal ring, it is characterized in that:
Described connection drive sleeve comprises and connects drive sleeve on one and be connected drive sleeve once, described connection drive sleeve comprises a spring stop and several engagement floors, described spring stop is an one with the engagement floor, describedly be provided with several projections, describedly go up the difference that connects drive sleeve and connect down between the drive sleeve and be down that the connection transmission is with a keyway in the spring stop upper-end surface;
Described pump shaft is provided with a key, and described key matches with the keyway that is connected on the drive sleeve down, is used for fixing down to connect drive sleeve, makes down connection drive sleeve and pump shaft keep rotating synchronously;
Described motive sealing periphery is provided with several grooves, be connected drive sleeve on the corresponding projection that is provided be meshed, match with the spring stop upper-end surface that is connected drive sleeve in the lower end surface of motive sealing;
Establish a groove in the described motive sealing in addition, be used to place seal ring, connect drive sleeve and pressure spring and interact, compress seal ring.
2. submersible pump seal arrangement according to claim 1 is characterized in that: the described engagement floor of drive sleeve that go up to connect is meshed with the engagement floor that is connected drive sleeve down, make connect drive sleeve with under be connected drive sleeve and the synchronous rotation of pump shaft maintenance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201119009U CN201065852Y (en) | 2007-07-17 | 2007-07-17 | Submersible pump sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201119009U CN201065852Y (en) | 2007-07-17 | 2007-07-17 | Submersible pump sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201065852Y true CN201065852Y (en) | 2008-05-28 |
Family
ID=39483028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201119009U Expired - Fee Related CN201065852Y (en) | 2007-07-17 | 2007-07-17 | Submersible pump sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201065852Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102439336A (en) * | 2009-05-11 | 2012-05-02 | Itt制造企业公司 | Axial face seal assembly |
| CN106512479A (en) * | 2016-12-15 | 2017-03-22 | 苏州楚博生物技术有限公司 | Vacuum type sealing structure for chromatographic column |
| CN110494625A (en) * | 2017-04-07 | 2019-11-22 | 齐立富控股有限公司 | The modularization labyrinth sealing system that can be used together with electric submersible pump |
-
2007
- 2007-07-17 CN CNU2007201119009U patent/CN201065852Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102439336A (en) * | 2009-05-11 | 2012-05-02 | Itt制造企业公司 | Axial face seal assembly |
| CN102439336B (en) * | 2009-05-11 | 2014-10-01 | 赛乐姆知识产权控股有限责任公司 | axial face seal assembly |
| CN106512479A (en) * | 2016-12-15 | 2017-03-22 | 苏州楚博生物技术有限公司 | Vacuum type sealing structure for chromatographic column |
| CN106512479B (en) * | 2016-12-15 | 2018-12-28 | 苏州楚博生物技术有限公司 | Vacuum type sealing structure for chromatographic column |
| CN110494625A (en) * | 2017-04-07 | 2019-11-22 | 齐立富控股有限公司 | The modularization labyrinth sealing system that can be used together with electric submersible pump |
| CN110494625B (en) * | 2017-04-07 | 2022-05-31 | 齐立富控股有限公司 | Modular labyrinth seal system usable with electric submersible pumps |
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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: 20080528 Termination date: 20150717 |
|
| EXPY | Termination of patent right or utility model |