CN205780890U - A kind of mechanical seal for pump - Google Patents
A kind of mechanical seal for pump Download PDFInfo
- Publication number
- CN205780890U CN205780890U CN201620715591.5U CN201620715591U CN205780890U CN 205780890 U CN205780890 U CN 205780890U CN 201620715591 U CN201620715591 U CN 201620715591U CN 205780890 U CN205780890 U CN 205780890U
- Authority
- CN
- China
- Prior art keywords
- rotating
- ring
- seat
- stationary
- rotating shaft
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 230000001360 synchronised effect Effects 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Mechanical Sealing (AREA)
Abstract
This utility model provides a kind of mechanical seal for pump, belongs to sealing system technical field.The problem it solving existing mechanical seal poor sealing performance.This mechanical seal for pump includes rotating shaft；Stationary seat, it is arranged in rotating shaft and is arranged with stationary ring between stationary seat and rotating shaft, arranging alignment pin on stationary seat；Rotating seat, it is arranged in rotating shaft and described rotating seat can be with rotating shaft synchronous axial system, rotating seat is provided with the rotating ring that one end reclines with stationary ring, extending in the front end of rotating seat and be formed with limiting section and described limiting section is inserted on rotating ring, described rotating shaft can be passed through rotating seat and can drive rotating ring synchronous axial system and make rotating ring circumferentially rotate relative to stationary ring；Wavy spring, it is arranged between rotating seat and rotating ring, and the two ends of described wavy spring are connected with rotating seat and rotating ring respectively.This mechanical seal for pump has rationally distributed, the advantage of good seal performance.
Description
Technical field
This utility model belongs to sealing system technical field, relates to a kind of mechanical seal for pump.
Background technology
Mechanical seal for pump refers to be perpendicular to the end face of rotation axis at fluid pressure and compensation mechanism bullet by least one pair of
Lower and auxiliary seal the lower fluid that prevents keeping fitting and relatively sliding and constitute that coordinates that acts on of power (or magnetic force) leaks
Device.
In prior art, in mechanical seal for pump, rotating ring and stationary ring are susceptible to disengage between the two, and at rotating ring and quiet
There is the phenomenon of discontinuity between ring, cause its poor sealing performance in use, affect the use of reactor
Safety, for solving the problem that existing mechanical seal for pump exists, needs the pump machinery designing a kind of good seal performance close
Envelope.
Summary of the invention
The purpose of this utility model is to there are the problems referred to above for existing technology, it is proposed that a kind of rationally distributed, sealing
The mechanical seal for pump that performance is good.
The purpose of this utility model can be realized by following technical proposal: a kind of mechanical seal for pump, including:
Rotating shaft；
Stationary seat, it is arranged in rotating shaft and is arranged with stationary ring between stationary seat and rotating shaft, arranges and determine on stationary seat
Position pin, offers the locating slot corresponding with alignment pin on stationary ring, and one end of described alignment pin is inserted on stationary seat, alignment pin
The other end be positioned at locating slot；
Rotating seat, it is arranged in rotating shaft and described rotating seat can be provided with one with rotating shaft synchronous axial system on rotating seat
The rotating ring that reclines with stationary ring of end, is formed with limiting section and described limiting section is inserted on rotating ring, institute in the extension of the front end of rotating seat
State rotating shaft to drive rotating ring synchronous axial system by rotating seat and make rotating ring circumferentially rotate relative to stationary ring；
Wavy spring, it is arranged between rotating seat and rotating ring, the two ends of described wavy spring respectively with rotating seat and dynamic
Ring is connected.
In above-mentioned a kind of mechanical seal for pump, be provided with between rotating ring and wavy spring two ends respectively with rotating ring and
The cushion that wavy spring is connected, described cushion has convexed to form installation portion near rotating ring side, offers at rotating ring and pacifies
The mounting groove that dress portion is corresponding, described installation position is in mounting groove.
In above-mentioned a kind of mechanical seal for pump, being provided with dynamic seal ring in mounting groove, described dynamic seal ring is respectively
Contact with rotating shaft and rotating ring.
In above-mentioned a kind of mechanical seal for pump, between stationary seat and stationary ring, it is provided with static sealing ring, described quiet close
Seal contacts with stationary seat and stationary ring respectively.
Compared with prior art, this utility model at least has the advantages that
1, extending in the front end of rotating seat and be formed with limiting section and described limiting section is inserted on rotating seat, limiting section can make
Rotating seat drives rotating ring synchronous axial system, it is to avoid occur the generation of skidding between rotating ring and rotating seat, it is ensured that this practicality is new
Type normally works, and improves work efficiency.
2, between rotating seat and rotating ring, be provided with wavy spring, the two ends of wavy spring respectively with rotating ring and rotating ring seated connection
Touch, it is ensured that the uniformity of transmission between rotating ring and rotating seat, it is to avoid rotating ring local pressure and cause the generation of wear phenomenon.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 100, rotating shaft；200, stationary seat；210, stationary ring；211, locating slot；220, alignment pin；300, rotating seat；
310, rotating ring；311, mounting groove；320, limiting section；400, wavy spring；500, cushion；510, installation portion；600, movable sealing
Circle；700, static sealing ring.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further
Description, but this utility model is not limited to these embodiments.
As it is shown in figure 1, this mechanical seal for pump includes rotating shaft 100, rotating shaft 100 arranges stationary ring 210 and rotating ring 310,
Rotating ring 310 can circumferentially rotate relative to stationary ring 210, and rotating shaft 100 circumferentially rotates normally working and ensure that of the equipment of having can guarantee that
The sealing of equipment.
Rotating shaft 100 is provided with stationary seat 200, between stationary seat 200 and rotating shaft 100, is provided with stationary ring 210, stationary ring
The both sides of 210 are in close contact with stationary ring 210 and rotating shaft 100 respectively, improve the frictional force between stationary seat 200 and stationary ring 210,
Ensure that stationary seat 200 can make stationary ring 210 transfixion.
Stationary seat 200 is vertically arranged with alignment pin 220, stationary ring 210 is provided with determine corresponding with alignment pin 220
Position groove 211, one end of above-mentioned alignment pin 220 is inserted on stationary seat 200, and the other end of alignment pin 220 is positioned at locating slot 211
In, thus stationary seat 200 transfixion and stationary seat 200 can limit stationary ring 210 by alignment pin 220 and circumferentially rotate, it is ensured that
This utility model normally works.
Rotating shaft 100 is additionally provided with rotating seat 300, between rotating seat 300 and rotation, is provided with rotating ring 310 and rotating ring
The end face of 310 is posted by stationary ring 210, and at least provided with two trundles on rotating seat 300, the two ends of two trundles are divided
It is not connected with rotating seat 300 and rotating shaft 100, thus rotational drives rotating seat 300 synchronous axial system and makes rotating ring 310 relative to quiet
Ring 210 circumferentially rotates.
Preferably, on above-mentioned rotating seat 300, near rotating ring 310 side, extension is formed with limiting section 320, at rotating ring 310
Outer surface offers the stopper slot corresponding with limiting section 320, and in installation process, limiting section 320 can be inserted in stopper slot, dynamic
Ring seat 300 rotating ring 310 can be driven to circumferentially rotate by limiting section 320 and rotating ring 310 can circumferentially rotate relative to stationary ring 210, from
And ensure that this utility model sealing in use.
Further, between rotating seat 300 and rotating ring 310, wavy spring 400 and the two ends of wavy spring 400 it are provided with
Bearing against on rotating ring 310 and rotating seat 300, on rotating seat 300, depression is formed with mounting groove 311, wavy spring 400
Divide and be positioned at mounting groove 311, it is ensured that the steadiness that wavy spring 400 is installed, wavy spring 400 has multiple crest and ripple
Paddy, thus ensure that rotating seat 300 and the uniformity of rotating ring 310 stress between the two, it is to avoid rotating seat 300 and rotating ring 310 it
Between cause generation that intermittency occurs between rotating ring 310 and stationary ring 210 due to discontinuity, improve this utility model
Sealing.
Further, be provided with between rotating ring 310 and wavy spring 400 two ends respectively with rotating ring 310 and wavy spring
400 cushions 500 being connected, cushion 500 is sheathed in rotating shaft 100 and at cushion 500 near rotating ring 310 side convex shaped
Become to have shape installation portion 510 ringwise, offer the mounting groove 311 corresponding with installation portion 510, installation portion 510 at rotating ring 310
It is arranged in mounting groove 311, it is ensured that the steadiness that cushion 500 is installed, it is to avoid cushion 500 occurs position shift phenomenon
Generation.
Being provided with dynamic seal ring 600 in mounting groove 311, dynamic seal ring 600 contacts with rotating shaft 100 and rotating ring 310 respectively,
Dynamic seal ring 600 improves the frictional force between rotating shaft 100 and rotating ring 310, has shared rotating shaft 100 and has been driven by rotating seat 300
The torsion that rotating ring 310 circumferentially rotates, improves the service life of rotating seat 300.
Between stationary seat 200 and stationary ring 210, be provided with static sealing ring 700, described static sealing ring 700 respectively with stationary seat
200 contact with stationary ring 210, add the frictional force between stationary seat 200 and stationary ring 210, improve purification seat and stationary ring 210 it
Between connect compactness, it is ensured that stationary seat 200 can make stationary ring 210 keep resting state.
Specific embodiment described herein is only to this utility model spirit explanation for example.This utility model institute
Belong to those skilled in the art described specific embodiment to make various amendment or supplement or use similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (4)
1. a mechanical seal for pump, it is characterised in that including:
Rotating shaft；
Stationary seat, it is arranged in rotating shaft and is arranged with stationary ring between stationary seat and rotating shaft, arranging alignment pin on stationary seat,
Offering the locating slot corresponding with alignment pin on stationary ring, one end of described alignment pin is inserted on stationary seat, alignment pin another
One end is positioned at locating slot；
Rotating seat, its be arranged in rotating shaft and described rotating seat can with rotating shaft synchronous axial system, rotating seat is provided with one end with
The rotating ring that stationary ring reclines, extends in the front end of rotating seat and is formed with limiting section and described limiting section is inserted on rotating ring, described turn
Axle can be driven rotating ring synchronous axial system by rotating seat and be made rotating ring circumferentially rotate relative to stationary ring；
Wavy spring, it is arranged between rotating seat and rotating ring, the two ends of described wavy spring respectively with rotating seat and rotating ring phase
Even.
A kind of mechanical seal for pump the most according to claim 1, it is characterised in that arrange between rotating ring and wavy spring
The cushion that two ends are connected with rotating ring and wavy spring respectively, described cushion is had to convex to form installation near rotating ring side
Portion, offers the mounting groove corresponding with installation portion at rotating ring, and described installation position is in mounting groove.
A kind of mechanical seal for pump the most according to claim 2, it is characterised in that be provided with movable sealing in mounting groove
Circle, described dynamic seal ring contacts with rotating shaft and rotating ring respectively.
A kind of mechanical seal for pump the most according to claim 3, it is characterised in that be provided with between stationary seat and stationary ring
Static sealing ring, described static sealing ring contacts with stationary seat and stationary ring respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620715591.5U CN205780890U (en) | 2016-06-30 | 2016-06-30 | A kind of mechanical seal for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620715591.5U CN205780890U (en) | 2016-06-30 | 2016-06-30 | A kind of mechanical seal for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205780890U true CN205780890U (en) | 2016-12-07 |
Family
ID=58124916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620715591.5U Expired - Fee Related CN205780890U (en) | 2016-06-30 | 2016-06-30 | A kind of mechanical seal for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205780890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070057A (en) * | 2017-06-22 | 2017-08-18 | 林利兵 | A kind of sealing structure of submersible motor |
-
2016
- 2016-06-30 CN CN201620715591.5U patent/CN205780890U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070057A (en) * | 2017-06-22 | 2017-08-18 | 林利兵 | A kind of sealing structure of submersible motor |
| CN107070057B (en) * | 2017-06-22 | 2023-10-20 | 台州锦霸工贸有限公司 | Sealing structure of submersible motor |
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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: 20161207 |