CN207297890U - Mechanically-sealing apparatus - Google Patents
Mechanically-sealing apparatus Download PDFInfo
- Publication number
- CN207297890U CN207297890U CN201620436298.5U CN201620436298U CN207297890U CN 207297890 U CN207297890 U CN 207297890U CN 201620436298 U CN201620436298 U CN 201620436298U CN 207297890 U CN207297890 U CN 207297890U
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- China
- Prior art keywords
- ring
- rotating ring
- type groove
- shaft
- housing
- Prior art date
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- 238000007789 sealing Methods 0.000 title claims abstract description 34
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 abstract description 41
- 239000012530 fluid Substances 0.000 abstract description 4
- 238000012856 packing Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Mechanical Sealing (AREA)
Abstract
The utility model provides a kind of mechanically-sealing apparatus, including housing, shaft, bearing, and the shaft is installed on housing by bearing, and the outer end of the shaft is fixed with rotating ring, and in ring cavity of the rotating ring between shaft and housing；The rotating ring is U-type groove structure of the opening towards the enclosure interior, and it is U-type groove structure of the opening towards the hull outside that the rotating ring outer peripheral edge does not contact the stationary ring with the housing, and the stationary ring inner peripheral is not contacted with the shaft.The utility model prevents fluid from leaking using the kinetic energy of liquid.Liquid obtains energy in rotating rotating ring, leaves rotating ring at a high speed, is previously formed one inside and outside of liquid curtain wall of isolation in gap leakage, prevents liquid leakage.Due to not contacted with stationary object, because without wearing, nothing needs to change；Required fluid flow is small, therefore consumed energy is few, and after stationary ring is installed additional, maintains the energy needed for flowing of this partially liq in ring packing intracavitary to be equal to the energy that this device needs.
Description
【Technical field】
Mechanical seal field is the utility model is related to, is specially a kind of mechanically-sealing apparatus.
【Background technology】
Currently used mechanical seal is made of rotating ring, stationary ring, 0 type circle of spring and auxiliary sealing member etc., and rotating ring is fixed
In shaft, rotated with axis, stationary ring is fixed on housing, is pressed in by built-in spring in the plane of rotating ring.It is no matter mechanical
2 planes of start-stop, rotating ring and stationary ring stick together all the time, separate interior or exterior space, play the role of preventing liquid leakage.It is this
Sealing device effect is good, but sealing surface is easy to wear, it is necessary to replacing after a period of time that works.
Flexible axle envelope is made by flexible material (rubber etc.) and skeleton, is pressed in spring handle sealing lip on axis, inside pressure
Power also functions to effect sealing lip being pressed on axis, so as to play the role of preventing liquid leakage.This sealing device sealing pressure
Power is relatively low, it is necessary to replacing after a period of time that works.
Packing box seal is that filler is filled in stuffing-box chamber, and filler is close on axis after compression, separates interior or exterior space, resistance
Only liquid leakage.This sealing device is only used for low speed occasion, and is easily damaged.
Above-mentioned sealing device is all contact seal, and validity period is short, it is necessary to often replace.Therefore, it is necessary to improve.
【Utility model content】
The purpose of this utility model is to provide a kind of good seal performance, stablizes durable mechanically-sealing apparatus.
The technical solution of the utility model is as follows：
A kind of mechanically-sealing apparatus, including housing, shaft, bearing, the shaft are installed on housing by bearing, it is special
Sign is:The outer end of the shaft is fixed with rotating ring, and in ring cavity of the rotating ring between shaft and housing；The rotating ring is
The U-type groove structure being open towards the enclosure interior, the rotating ring outer peripheral edge is not contacted with the housing；It is symmetrical in the ring cavity
Equipped with stationary ring, the outer peripheral edge of the stationary ring is fixedly connected with the housing, and the stationary ring is U of the opening towards the hull outside
Type groove structure, the stationary ring inner peripheral are not contacted with the shaft；The stationary ring is enclosed annular seal space with the rotating ring,
And the rotating ring is not contacted with the stationary ring.
Preferably, the first helicla flute is evenly distributed with the inner wall of the rotating ring U-type groove, is evenly distributed with the inner wall of the stationary ring U-type groove
Second helicla flute, and the first helicla flute and the second helicla flute are symmetrical.
Preferably, uniformly distributed first spiral salient on the inner wall of the rotating ring U-type groove, on the inner wall of the stationary ring U-type groove
The second spiral salient of cloth；And first spiral salient and the second spiral salient it is symmetrical.
Preferably, be fixed with the first U-shaped lid on the spiral salient of the rotating ring U-type groove inner wall, the stationary ring U-type groove it is interior
The second U-shaped lid is fixed with the spiral salient of wall, and the first U-shaped lid and the second U-shaped lid are symmetrical.
For mechanically-sealing apparatus provided by the utility model by installing rotating ring in shaft outer end, the liquid of leakage enters rotating ring
U-type groove in and phantom ring at a high speed rotation and obtain energy flow at high speed, U-type groove high speed flowing liquid depart from rotating ring when,
After its axial flow direction and liquid leakage direction are on the contrary, encounter the liquid of leakage, swiftly flowing liquid retarding pressure rises,
So as to prevent the leakage of liquid；Since rotating ring is not contacted with stationary object, because abrasion may be not present, without vulnerable part；For
The liquid velocity of sealing is higher, but its amount is small, thus the energy consumed is few；And after stationary ring is installed additional, maintain this part
Energy needed for flowing of the liquid in ring packing intracavitary is equal to the energy that this device needs.
【Brief description of the drawings】
Fig. 1 is the cross-sectional view of the utility model embodiment one, two, three, four；
Fig. 2 is the profile of one rotating ring of the utility model embodiment；
Fig. 3 is the profile of one stationary ring of the utility model embodiment；
Fig. 4 is the profile of two rotating ring of the utility model embodiment；
Fig. 5 is the profile of two stationary ring of the utility model embodiment；
Fig. 6 is the profile of three rotating ring of the utility model embodiment；
Fig. 7 is the profile of three stationary ring of the utility model embodiment；
Fig. 8 is the profile of four rotating ring of the utility model embodiment；
Fig. 9 is the profile of four stationary ring of the utility model embodiment；
【Embodiment】
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment one：
Please refer to Fig.1 to Fig.3, the mechanically-sealing apparatus includes housing 1, shaft 2, bearing 3, and the shaft 2 passes through axis
3 are held to be installed on housing 1.
The outer end of the shaft 2 is fixed with rotating ring 4, and in ring cavity 6 of the rotating ring 4 between shaft 2 and housing 1；Institute
State rotating ring 4 for opening towards the U-type groove structure inside the housing 1,4 outer peripheral edge of rotating ring do not contacted with the housing 1 and
A gap 61 is formed with the housing；Stationary ring 5, the outer peripheral edge of the stationary ring 5 and the housing 1 are arranged with the ring cavity 6
It is fixedly connected, the stationary ring 5 is opening towards the U-type groove structure housing 1 outside, 5 inner peripheral of stationary ring and described turn
Axis 2 does not contact；The stationary ring 5 is enclosed annular seal space 7 with the rotating ring 4, and the rotating ring 4 does not connect with the stationary ring 5
Touch and form a gap 62 with the housing.
During work, the liquid of starting leakage enters axially into 7 zone of action of annular seal space, is servo-actuated under frictional force effect
Ring 4 rotates, and departs from after rotating ring is thrown away and curtain wall is formed before gap leakage 61, barrier liquid leaks out；Turned round on 5 surface of stationary ring
Come over to reenter 4 zone of action of rotating ring, circulated into next time；After stationary ring 5 has been installed additional, since the liquid for sealing is basic
Do not contacted with the liquid beyond annular seal space 7, the kinetic energy and pressure energy of this partially liq are able to part preservation, this device institute
The energy of consumption is used to maintain flowing of this partially liq in annular seal space 7.
Embodiment two：
Please refer to Fig.1, Fig. 4 and Fig. 5, the stationary ring 5 are enclosed annular seal space 7, the rotating ring 4 with the rotating ring 4
The inner wall of U-type groove there is the first helicla flute 41, uniformly distributed second helicla flute 51 on the inner wall of the U-type groove of the stationary ring 5, and first
41 and second helicla flute 51 of helicla flute is uniformly distributed and symmetrically, the helicla flute 41 is rotated with the rotating ring drives liquid edge
The U-type groove is thrown away close to the side of the housing；Curtain wall is formed after throwing away before gap leakage, barrier liquid leaks out；
On stationary ring surface, revolution comes to reenter rotating ring region, is circulated into next time.After stationary ring 5 has been installed additional, due to for sealing
Liquid do not contacted substantially with the liquid beyond annular seal space 7, the kinetic energy and pressure energy of this partially liq are able to part preservation,
The energy that this device is consumed is used to maintain flowing of this partially liq in annular seal space 7.The U-type groove of the rotating ring 4
The first helicla flute of inner wall even distribution 41 accelerate the speed that throws away of sealing liquid, uniformly distributed the on the inner wall of the U-type groove of the stationary ring 5
Two helicla flutes 51 improve the speed of sealing liquid revolution, the two cooperation makes the sealing performance of the device more preferable.
Embodiment three：
Please refer to Fig.1, Fig. 6 and Fig. 7, the stationary ring 5 are enclosed annular seal space 7, the rotating ring 4 with the rotating ring 4
The inner wall of U-type groove there is the first spiral salient 42, uniformly distributed second spiral salient 52 on the inner wall of the U-type groove of the stationary ring 5, and
First spiral salient 42 and the second spiral salient 52 are uniformly distributed and symmetrically, first spiral salient 42 is with the rotating ring
Rotation drives liquid to be thrown away along the U-type groove close to the side of the housing；Curtain wall is formed before gap leakage 61 after throwing away, is hindered
Gear liquid leaks out；On stationary ring surface, revolution comes to reenter rotating ring region, is circulated into next time.Installing stationary ring 5 additional
Afterwards, since the liquid for sealing is not contacted with the liquid beyond annular seal space 7 substantially, the kinetic energy and pressure of this partially liq
Part preservation can be able to, the energy that this device is consumed is used to maintain flowing of this partially liq in annular seal space 7.Institute
The first spiral salient of inner wall even distribution 42 for stating the U-type groove of rotating ring 4 accelerates the speed that throws away of sealing liquid, the stationary ring 5 it is U-shaped
Uniformly distributed second spiral salient 52 improves the speed of sealing liquid revolution on the inner wall of groove, the two coordinates the leakproofness for making the device
Can be more preferable.
Example IV：
Please refer to Fig.1, Fig. 8 and Fig. 9, the stationary ring 5 are enclosed annular seal space 7, the rotating ring 4 with the rotating ring 4
The inner wall of U-type groove be uniformly distributed formed with some first spiral salients 42, some first spiral salients 42, the rotating ring
4 include the first U-shaped lid 43, and the first U-shaped lid 43 is fixedly arranged on first spiral salient 42 and in U-type groove, and institute
State and form some first spiral channels 44 between U-type groove, the first spiral salient 42, the first U-shaped 43 three of lid；The U of the stationary ring 5
The inner wall of type groove is uniformly distributed formed with some second spiral salients 52, some second spiral salients 52, and the stationary ring 5 wraps
The second U-shaped lid 53 is included, the second U-shaped lid 53 is fixedly arranged on second spiral salient 52 and in U-type groove, and institute
State and form some second spiral channels 54 between U-type groove, the second spiral salient 52, the second U-shaped 53 three of lid.
First spiral channel 44 is rotated with the rotating ring drives liquid along the U-type groove close to 1 side of housing
Throw away, form curtain wall after throwing away before gap leakage 61, barrier liquid leaks out；Then returned again by the second spiral channel 54
Turn over and reenter rotating ring region, circulated into next time.After stationary ring 5 has been installed additional, due to the liquid for sealing substantially not
Contacted with the liquid beyond annular seal space 7, the kinetic energy and pressure energy of this partially liq are able to part preservation, and this device is disappeared
The energy of consumption is used to maintain flowing of this partially liq in annular seal space 7.First spiral channel 44 accelerates sealing
The speed that liquid is thrown away, second spiral channel 54 improve the speed of sealing liquid revolution, the two cooperation makes the device
Sealing performance is more preferable.
The utility model prevents fluid from leaking using the kinetic energy of liquid.Liquid obtains energy in rotating rotating ring, at a high speed
Rotating ring is left, one inside and outside of liquid curtain wall of isolation is previously formed in gap leakage, prevents liquid leakage.Due to not with resting
Body contacts, because without wearing, nothing needs to change；Required fluid flow is small, therefore consumed energy is few.
Above-described is only the embodiment of the utility model, it should be noted here that the ordinary skill for this area
For personnel, on the premise of not departing from the utility model and creating design, improvement can also be made, but these belong to this practicality
New protection domain.
Claims (4)
1. a kind of mechanically-sealing apparatus, including housing, shaft, bearing, the shaft is installed on housing by bearing, its feature
It is:The outer end of the shaft is fixed with rotating ring, and in ring cavity of the rotating ring between shaft and housing；The rotating ring is to open
Towards the U-type groove structure of the enclosure interior, the rotating ring outer peripheral edge does not contact mouth with the housing；Symmetrically set in the ring cavity
There is stationary ring, the outer peripheral edge of the stationary ring is fixedly connected with the housing, and the stationary ring is opening towards the U-shaped of the hull outside
Slot structure, the stationary ring inner peripheral are not contacted with the shaft；The stationary ring is enclosed annular seal space with the rotating ring, and
The rotating ring is not contacted with the stationary ring.
2. mechanically-sealing apparatus according to claim 1, it is characterised in that：Uniformly distributed the on the inner wall of the rotating ring U-type groove
One helicla flute, uniformly distributed second helicla flute on the inner wall of the stationary ring U-type groove, and the first helicla flute and the second helicla flute are mutually right
Claim.
3. mechanically-sealing apparatus according to claim 1, it is characterised in that：Uniformly distributed the on the inner wall of the rotating ring U-type groove
One spiral salient, uniformly distributed second spiral salient on the inner wall of the stationary ring U-type groove；And first spiral salient and the second spiral salient
Symmetrically.
4. mechanically-sealing apparatus according to claim 3, it is characterised in that：The spiral salient of the rotating ring U-type groove inner wall
On be fixed with the first U-shaped lid, the second U-shaped lid, and the first U-shaped lid are fixed with the spiral salient of the inner wall of the stationary ring U-type groove
It is symmetrical with the second U-shaped lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620436298.5U CN207297890U (en) | 2016-05-13 | 2016-05-13 | Mechanically-sealing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620436298.5U CN207297890U (en) | 2016-05-13 | 2016-05-13 | Mechanically-sealing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207297890U true CN207297890U (en) | 2018-05-01 |
Family
ID=62270058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620436298.5U Active CN207297890U (en) | 2016-05-13 | 2016-05-13 | Mechanically-sealing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207297890U (en) |
-
2016
- 2016-05-13 CN CN201620436298.5U patent/CN207297890U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Mechanical sealer for precision shafting Effective date of registration: 20191226 Granted publication date: 20180501 Pledgee: The Bank of Changan Limited by Share Ltd. Baoji Jintai branch Pledgor: BAOJI CITY BOLEI CHEMICAL EQUIPMENT Co.,Ltd. Registration number: Y2019610000062 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210108 Granted publication date: 20180501 Pledgee: The Bank of Changan Limited by Share Ltd. Baoji Jintai branch Pledgor: BAOJI CITY BOLEI CHEMICAL EQUIPMENT Co.,Ltd. Registration number: Y2019610000062 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Mechanical seal device Effective date of registration: 20210526 Granted publication date: 20180501 Pledgee: The Bank of Changan Limited by Share Ltd. Baoji Jintai branch Pledgor: BAOJI CITY BOLEI CHEMICAL EQUIPMENT Co.,Ltd. Registration number: Y2021980003997 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220601 Granted publication date: 20180501 Pledgee: The Bank of Changan Limited by Share Ltd. Baoji Jintai branch Pledgor: BAOJI CITY BOLEI CHEMICAL EQUIPMENT Co.,Ltd. Registration number: Y2021980003997 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Mechanical sealing device Effective date of registration: 20220602 Granted publication date: 20180501 Pledgee: The Bank of Changan Limited by Share Ltd. Baoji Jintai branch Pledgor: BAOJI CITY BOLEI CHEMICAL EQUIPMENT Co.,Ltd. Registration number: Y2022980007024 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231207 Granted publication date: 20180501 Pledgee: The Bank of Changan Limited by Share Ltd. Baoji Jintai branch Pledgor: BAOJI CITY BOLEI CHEMICAL EQUIPMENT Co.,Ltd. Registration number: Y2022980007024 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |