CN203770194U - Assembled high-pressure vertical centrifugal pump mechanical seal device with shaft sleeve spring base - Google Patents
Assembled high-pressure vertical centrifugal pump mechanical seal device with shaft sleeve spring base Download PDFInfo
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- CN203770194U CN203770194U CN201420151437.0U CN201420151437U CN203770194U CN 203770194 U CN203770194 U CN 203770194U CN 201420151437 U CN201420151437 U CN 201420151437U CN 203770194 U CN203770194 U CN 203770194U
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- ring
- spring seat
- spring
- centrifugal pump
- sleeve
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Abstract
Disclosed is an assembled high-pressure vertical centrifugal pump mechanical seal device with a shaft sleeve spring base. The device comprises a moving ring (11), a stationary ring (12), the spring base (7), a transmission fork (6), a pushing ring (5), a shaft sleeve (13), a shaft sleeve sealing ring (8) and a spring (9). The device is characterized in that the stationary ring (12) is sealed with a gland (2) through a stationary ring sealing ring (4), the gland (2) is sealed with a pump body through a gland sealing ring (3), the stationary ring (12) is in contact with the moving ring (11), the spring (9) is arranged in the spring base (7), one end of the spring (9) is connected with the spring base (7), the other end of the spring (9) is connected with the pushing ring (5), the shaft sleeve spring base is of an integrated structure, and a shaft sleeve seat and the spring base (7) are produced by subjecting thick-walled stainless steel tubes to finish turning and milling, and the moving ring (11) is of a ring structure with three bosses. The device has the advantages that structural strength is enhanced, service life is prolonged, and reliability is improved.
Description
Technical field
The present invention relates to a kind of mechanical seal device, specifically, is a kind of tape spool sleeve spring seat unit loading type high pressure vertical mechanical sealing device for centrifugal pump.
Background technique
Water pump and the people's daily life is closely bound up, the especially conveying of potable water, and the water of every household all will rely on water pump to carry, and the manufacturing enterprise of water pump is in Yangtze River Delta Area dense distribution, and whole industry development is comparatively gathered.Land resources aggravation in short supply now, in order to solve the people's living problem, newly-built building can only be to spatial development, the height of building is also being broken through to the limit always, tall building requires also day by day to improve to the conveying capacity of water pump, the intensity of pump working is large, also higher to its reliability requirement.Mechanical sealing element as the reliability important guarantee of high pressure vertical water pump also must improve, and just can meet the demands.Its spring seat of high pressure vertical water pump packing part on existing market and retainer adopt 1.2mm stainless steel material flitch to be stamped to form, when water pump is worked under condition of high voltage very easily because of the problem of spring seat and retainer deformation failure, shorten the working life of Sealing, also increased the maintenance cost of water pump.
Therefore known high pressure vertical water pump packing part exists above-mentioned all inconvenience and problem.
Summary of the invention
Object of the present invention, is to propose a kind of tape spool sleeve spring seat unit loading type high pressure vertical mechanical sealing device for centrifugal pump.
For achieving the above object, technical solution of the present invention is:
A tape spool sleeve spring seat unit loading type high pressure vertical mechanical sealing device for centrifugal pump, comprises rotating ring, stationary ring, stationary ring seal ring, seal ring of moving ring, spring seat, transmission shift fork, throw-out collar, axle sleeve), sleeve sealing circle and spring, it is characterized in that:
Described stationary ring is by stationary ring seal ring and gland seal, and gland seals by gland ring and the pump housing; Stationary ring contacts with rotating ring;
Described spring is arranged in spring seat, and one end of spring is connected with spring seat, and the other end of spring is connected with throw-out collar;
Described axle sleeve spring seat is integral type structure, and sleeve block and spring seat are by finish turning, the milling processing and fabricating of heavy wall stainless-steel pipe;
Described rotating ring is the circle structure with three boss.
Tape spool sleeve spring seat unit loading type high pressure vertical mechanical sealing device for centrifugal pump of the present invention can also be further achieved by the following technical measures.
Aforesaid tape spool sleeve spring seat unit loading type high pressure vertical mechanical sealing device for centrifugal pump, wherein said heavy wall stainless-steel pipe thickness is 4mm.
Aforesaid tape spool sleeve spring seat unit loading type high pressure vertical mechanical sealing device for centrifugal pump, wherein said axle sleeve and sleeve block adopt argon shield weldering welded structure.
Aforesaid tape spool sleeve spring seat unit loading type high pressure vertical mechanical sealing device for centrifugal pump, wherein said rotating ring is the structure of three boss of ring belt.
Aforesaid tape spool sleeve spring seat unit loading type high pressure vertical mechanical sealing device for centrifugal pump, wherein said sleeve block and spring seat can bear the pressure of 2.5MPa.
Adopt after technique scheme, tape spool sleeve spring seat unit loading type high pressure vertical mechanical sealing device for centrifugal pump of the present invention has the following advantages:
1, the intensity of sleeve block and spring seat significantly improves, and can bear the pressure of 2.5MPa, avoids the distortion of losing efficacy, and working life and reliability improve;
2, the structural design of axle sleeve and sleeve block adopts the mode of argon shield weldering, replaces the structure that traditional axle sleeve and axle sleeve are punctuated and welded, and has reduced by an axle sleeve circle, and makes product on the basis of sealing raising, makes the size reduction 4mm of gland component;
3, rotating ring is changed into the structure of three boss of ring belt by polygonal drive mechanism, and the manufacturing procedure of retainer and rotating ring reduces, and has optimized the structure of Sealing, and has improved using effect.
Accompanying drawing explanation
Fig. 1 is mechanical sealing device for centrifugal pump structural representation of the invention process.
In figure: 1 Cock screw, 2 glands, 3 gland rings, 4 stationary ring seal rings, 5 throw-out collars, 6 transmission shift forks, 7 spring seats, 8 sleeve sealing circles, 9 springs, 10 seal ring of moving ring, 11 rotating rings, 12 stationary rings, 13 axle sleeves.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
Embodiment 1
Now refer to Fig. 1, Fig. 1 is tape spool sleeve spring seat unit loading type high pressure vertical mechanical sealing device for centrifugal pump structural representation of the invention process.As shown in the figure, described stationary ring 12 is by stationary ring seal ring 4 and gland 2 sealings, and gland 2 seals by gland ring 3 and the pump housing; Stationary ring 12 contacts with rotating ring 11; Described rotating ring 11 is the circle structure with three boss.
Described spring 9 is arranged in spring seat 7, and one end of spring 9 is connected with spring seat 7, and the other end of spring 9 is connected with throw-out collar 5;
Described tape spool sleeve spring seat is unit loading type structure, and sleeve block and spring seat 7 are by finish turning, the milling processing and fabricating of 4mm heavy wall stainless-steel pipe.Described axle sleeve 13 adopts argon shield weldering welded structure with sleeve block, and described sleeve block and spring seat can bear the pressure of 2.5MPa.
The present invention has substantive distinguishing features and significant technological progress, tape spool sleeve spring seat unit loading type high pressure vertical mechanical sealing device for centrifugal pump of the present invention changes spring seat and retainer is stamped into finish turning, milling processing, by 1.2mm thin-walled material, changes into 4mm heavy wall material; Changing traditional axle sleeve and the axle sleeve welding structure of punctuating is argon shield welding structure, reaches and reduces axle sleeve circle, and changing rotating ring is the circle structure with three boss by polygonal drive mechanism, thereby reduces manufacturing procedure, optimizes the structure of Sealing, and improves using effect.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or variation.Therefore, all technological schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (5)
1. a tape spool sleeve spring seat unit loading type high pressure vertical mechanical sealing device for centrifugal pump, comprise rotating ring (11), stationary ring (12), stationary ring seal ring (4), seal ring of moving ring (10), spring seat (7), transmission shift fork (6), throw-out collar (5), axle sleeve (13), sleeve sealing circle (8) and spring (9), it is characterized in that:
Described stationary ring (12) is by stationary ring seal ring (4) and gland (2) sealing, and gland (2) is by gland ring (3) and pump housing sealing; Stationary ring (12) contacts with rotating ring (11);
Described spring (9) is arranged in spring seat (7), and one end of spring (9) is connected with spring seat (7), and the other end of spring (9) is connected with throw-out collar (5);
Described axle sleeve spring seat (7) is integral type structure, and sleeve block and spring seat (7) are by finish turning, the milling processing and fabricating of heavy wall stainless-steel pipe;
Described rotating ring (11) is the circle structure with three boss.
2. tape spool sleeve spring seat unit loading type high pressure vertical mechanical sealing device for centrifugal pump as claimed in claim 1, is characterized in that, described heavy wall stainless-steel pipe thickness is 4mm.
3. tape spool sleeve spring seat unit loading type high pressure vertical mechanical sealing device for centrifugal pump as claimed in claim 1, is characterized in that, described axle sleeve (13) adopts argon shield weldering welded structure with sleeve block.
4. tape spool sleeve spring seat unit loading type high pressure vertical mechanical sealing device for centrifugal pump as claimed in claim 1, is characterized in that, described rotating ring (11) is the structure of three boss of ring belt.
5. tape spool sleeve spring seat unit loading type high pressure vertical mechanical sealing device for centrifugal pump as claimed in claim 1, is characterized in that, described sleeve block and spring seat can bear the pressure of 2.5MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151437.0U CN203770194U (en) | 2014-03-31 | 2014-03-31 | Assembled high-pressure vertical centrifugal pump mechanical seal device with shaft sleeve spring base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151437.0U CN203770194U (en) | 2014-03-31 | 2014-03-31 | Assembled high-pressure vertical centrifugal pump mechanical seal device with shaft sleeve spring base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203770194U true CN203770194U (en) | 2014-08-13 |
Family
ID=51287390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420151437.0U Expired - Fee Related CN203770194U (en) | 2014-03-31 | 2014-03-31 | Assembled high-pressure vertical centrifugal pump mechanical seal device with shaft sleeve spring base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203770194U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435740A (en) * | 2017-07-26 | 2017-12-05 | 盐城润浩密封件科技有限公司 | A kind of vertical pump mechanical sealing member |
| CN110307343A (en) * | 2019-07-13 | 2019-10-08 | 江苏科奥流体科技有限公司 | A kind of spring type mechanical sealing |
-
2014
- 2014-03-31 CN CN201420151437.0U patent/CN203770194U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435740A (en) * | 2017-07-26 | 2017-12-05 | 盐城润浩密封件科技有限公司 | A kind of vertical pump mechanical sealing member |
| CN110307343A (en) * | 2019-07-13 | 2019-10-08 | 江苏科奥流体科技有限公司 | A kind of spring type mechanical sealing |
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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: 20140813 Termination date: 20150331 |
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| EXPY | Termination of patent right or utility model |