CN206860882U - A kind of buffer fluid flow path device structure of mechanical seal - Google Patents
A kind of buffer fluid flow path device structure of mechanical seal Download PDFInfo
- Publication number
- CN206860882U CN206860882U CN201720277583.1U CN201720277583U CN206860882U CN 206860882 U CN206860882 U CN 206860882U CN 201720277583 U CN201720277583 U CN 201720277583U CN 206860882 U CN206860882 U CN 206860882U
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- CN
- China
- Prior art keywords
- ring
- seat
- stationary
- axle sleeve
- rotating
- 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
- 239000012530 fluid Substances 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of buffer fluid flow path device structure of mechanical seal disclosed in the utility model, including axle sleeve, the first stationary ring is provided with first stationary seat, rotating seat one end is provided with the first rotating ring being engaged with the first stationary ring, the second stationary ring is provided with second stationary seat, the rotating seat other end is provided with the second rotating ring being engaged with the second stationary ring, first stationary ring and the first rotating ring cooperatively form media end friction pair, second stationary ring and the second rotating ring cooperatively form atmosphere end friction pair, first stationary seat and the second stationary seat are fixedly connected on axle sleeve, and rotating seat is fixedly connected with ring set；External seal chamber is formed between second rotating seat, axle sleeve and atmosphere end friction pair, formed with annulus between axle sleeve and axle, interior sealing chamber is formed between second rotating seat, axle sleeve and media end friction pair, the first through hole of connection annulus and external seal chamber is respectively arranged with axle sleeve and connects the second through hole of annulus and interior sealing chamber.Its is simple and reasonable, perfect heat-dissipating, convenient to use.
Description
Technical field
It the utility model is related to technical field of mechanical, the buffer fluid flow path device of more particularly to a kind of mechanical seal
Structure.
Background technology
Mechanical seal refers to by least one pair of perpendicular to the end face of rotation axis in Fluid pressure and compensation mechanism elastic force（Or
Magnetic force）In the presence of and the cooperation of auxiliary seal under keep be bonded and formed with respect to slip prevent fluid leak dress
Put.Mechanical seal is a kind of gland seal device of rotating machinery, such as the equipment such as centrifugal pump, centrifuge, reactor and compressor.By
It is applied in power transmission shaft inside and outside equipment, so, a circumferential clearance between axle and equipment is present, the medium in equipment passes through this
Gap leaks out, if pressure subatmospheric in equipment, air is to equipment internal leakage, it is therefore necessary to has one to prevent leakage
Gland seal device.Common mechanical seal is all to realize sealing by offseting friction between rotating ring and stationary ring, in the high speed of axle
In operating, substantial amounts of heat caused by friction between rotating ring and stationary ring, and also the frictional force between rotating ring and stationary ring is also increasingly
Greatly, damaged to caused by rotating ring and stationary ring very big.Generally require by injecting buffer fluid in mechanical seal to rotating ring and quiet
Ring realizes cooling and lubrication, but the structure of existing mechanical seal cooling and lubrication is complex, while needs to set and circulate
Pump installation, cost are higher.
Utility model content
In view of the shortcomings of the prior art and defect, the utility model provide a kind of buffer fluid flow path device of mechanical seal
Structure, its is simple and reasonable, perfect heat-dissipating, convenient to use.
To achieve the above object, the utility model uses following technical scheme.
A kind of buffer fluid flow path device structure of mechanical seal, including axle sleeve, the first stationary ring is sequentially provided with axle sleeve
Seat, rotating seat, the second stationary seat, rotating seat outer wall are arranged with ring set, and the first stationary ring, rotating seat one are provided with the first stationary seat
End is provided with the first rotating ring being engaged with the first stationary ring, is provided with the second stationary ring on the second stationary seat, the rotating seat other end is set
The second rotating ring being engaged with the second stationary ring is equipped with, the first stationary ring and the first rotating ring cooperatively form media end friction pair, and second is quiet
Ring and the second rotating ring cooperatively form atmosphere end friction pair, and the first stationary seat and the second stationary seat are fixedly connected on axle sleeve, rotating ring
Seat is fixedly connected with ring set；
External seal chamber is formed between second rotating seat, axle sleeve and atmosphere end friction pair, formed with annular between axle sleeve and axle
Duct, interior sealing chamber is formed between the second rotating seat, axle sleeve and media end friction pair, connection looping pit is respectively arranged with axle sleeve
The first through hole of road and external seal chamber and the second through hole for connecting annulus and interior sealing chamber.
Further, flow inlet is provided with ring set, the influent stream of connection flow inlet and external seal chamber is provided with rotating seat
Passage.
Further, outflow port is provided with ring set, connection outflow port and interior sealing chamber are provided with rotating seat goes out stream
Passage.
Further, the first annular groove is provided with rotating seat, is provided with the second annular groove on the second stationary seat, the first annular groove and
Second annular groove is connected by buckle axial restraint.
Further, between the first stationary seat and axle sleeve, between the second stationary seat and axle sleeve, between rotating seat and ring set
It is fixedly connected by holding screw.
Compared with prior art, the beneficial effects of the utility model are：Buffer fluid flows into from the external seal chamber of atmosphere end,
By the first through hole on axle sleeve, the annulus of axle and shaft room is flowed into, external seal chamber is filled substantially with liquid, so as to ensure
The effectively lubricating of atmosphere end friction pair and cooling, the buffer fluid flowed into from annulus, via the second through hole on axle sleeve,
Under the action of the centrifugal force, cast on the inside of media end friction pair, enhance cooling and lubricant effect, this is situated between for transfer of highly viscous
Seem for the mechanical seal for pump of matter and be even more important.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
In Fig. 1,1 axle sleeve, 2 first stationary seats, 3 rotating seats, 4 second stationary seats, 5 ring sets, 6 media end friction pairs, 7 air
End friction pair, 8 external seal chambers, 9 interior sealing chambers, 10 holding screws, 11 annuluses, 12 first through hole, 13 second through holes, 31 are entered
Circulation road, 32 go out circulation road, 33 first annular grooves, 34 buckles, 41 second annular grooves, 51 flow inlets, 52 outflow ports, 61 first stationary rings,
62 first rotating rings, 71 first stationary rings, 72 second rotating rings.
Embodiment
Further explaination is done to the utility model with reference to accompanying drawing.
A kind of buffer fluid flow path device structure of mechanical seal as shown in Figure 1, including axle sleeve 1, sequentially set on axle sleeve 1
The first stationary ring 7161 2, rotating seat 3, the second stationary seat 4 are equipped with, the outer wall of rotating seat 3 is arranged with ring set 5, the first stationary ring 7161
The first stationary ring 7161 is provided with 2, the one end of rotating seat 3 is provided with the first rotating ring 62 being engaged with the first stationary ring 7161, second
It is provided with the second stationary ring on stationary seat 4, the other end of rotating seat 3 is provided with the second rotating ring 72 being engaged with the second stationary ring, and first
The rotating ring 62 of stationary ring 7161 and first cooperatively forms media end friction pair 6, and the second stationary ring and the second rotating ring 72 cooperatively form atmosphere end
Friction pair 7, the first stationary ring 7161 2 and the second stationary seat 4 are fixedly connected on axle sleeve 1, and rotating seat 3 is fixedly connected with ring set 5；
External seal chamber 8 is formed between second rotating ring 72 3, axle sleeve 1 and atmosphere end friction pair 7, is formed between axle sleeve 1 and axle
There is annulus 11, interior sealing chamber 9 is formed between the second rotating ring 72 3, axle sleeve 1 and media end friction pair 6, is distinguished on axle sleeve 1
It is provided with the first through hole 12 of connection annulus 11 and external seal chamber 8 and connects the second of annulus 11 and interior sealing chamber 9
Through hole 13.
Buffer fluid flows into from the external seal chamber 8 of atmosphere end, by the first through hole 12 on axle sleeve 1, flows into axle and axle sleeve 1
Between annulus 11, external seal chamber 8 is filled substantially with liquid, so as to ensure that the effectively lubricating of atmosphere end friction pair 7 with it is cold
But, the buffer fluid flowed into from annulus 11, via the second through hole 13 on axle sleeve 1, under the action of the centrifugal force, casts to Jie
The inner side of matter end friction pair 6, enhances cooling and lubricant effect, and this shows for the mechanical seal for pump of transfer of highly viscous medium
It must be even more important.
Flow inlet 51 is provided with ring set 5, connection flow inlet 51 and external seal chamber 8 are provided with rotating seat 3 enters circulation
Road 31, buffer fluid is by flow inlet 51 and enters in the inflow external seal of circulation road 31 chamber 8, facilitates the filling of buffer fluid.
Outflow port 52 is provided with ring set 5, connection outflow port 52 and interior sealing chamber 9 are provided with rotating seat 3 goes out circulation
Road 32, the buffer fluid of the body of interior sealing chamber 9, flow out, taken away caused by most of friction from the outflow port 52 being distributed on ring set 5
Heat, making the temperature of interior sealing chamber 9, nakedness is held in appropriate scope all the time.
The first annular groove 33 is provided with rotating seat 3, the second annular groove 41, the He of the first annular groove 33 are provided with the second stationary seat 4
Second annular groove 41 is connected by the axial restraint of buckle 34, rotating seat 3 and ring set 5 is fixed on axle sleeve 1 by the second stationary seat 4
On, by the cooperation of the annular groove 33 of buckle 34 and first and the second annular groove 41, rotating seat 3 and ring set 5 is done outside axle sleeve 1
Rotate in a circumferential direction motion.
First stationary ring 7161 2 is between axle sleeve 1, between the second stationary seat 4 and axle sleeve 1, between rotating seat 3 and ring set 5
It is fixedly connected by holding screw 10, facilitates dismounting.
Embodiment described above is not limited to the utility model, for those skilled in the art, in this reality
With equivalent substitution is carried out to which part technical characteristic within new spirit and principle, guarantor of the present utility model should be included in
Within the scope of shield.
Claims (2)
- A kind of 1. buffer fluid flow path device structure of mechanical seal, it is characterised in that：Including axle sleeve（1）, axle sleeve（1）On sequentially It is provided with the first stationary seat（2）, rotating seat（3）, the second stationary seat（4）, rotating seat（3）Outer wall is arranged with ring set（5）, first is quiet Ring seat（2）On be provided with the first stationary ring（61）, rotating seat（3）One end is provided with and the first stationary ring（61）The first rotating ring being engaged （62）, the second stationary seat（4）On be provided with the second stationary ring（71）, rotating seat（3）The other end is provided with and the second stationary ring（71）Phase The second rotating ring coordinated（72）, the first stationary ring（61）With the first rotating ring（62）Cooperatively form media end friction pair（6）, the second stationary ring （71）With the second rotating ring（72）Cooperatively form atmosphere end friction pair（7）, the first stationary seat（2）With the second stationary seat（4）It is fixed to connect It is connected on axle sleeve（1）On, rotating seat（3）With ring set（5）It is fixedly connected；Second rotating seat（3）, axle sleeve（1）With atmosphere end friction pair（7）Between formed external seal chamber（8）, axle sleeve（1）Between axle Formed with annulus（11）, the second rotating seat（3）, axle sleeve（1）With media end friction pair（6）Between formed interior sealing chamber（9）, Axle sleeve（1）On be respectively arranged with connection annulus（11）With external seal chamber（8）First through hole（12）And connection annulus （11）With interior sealing chamber（9）The second through hole（13）；Ring set（5）On be provided with flow inlet（51）, rotating seat（3）On be provided with connection flow inlet（51）With external seal chamber（8）'s Enter circulation road（31）；Ring set（5）On be provided with outflow port（52）, rotating seat（3）On be provided with connection outflow port（52）With interior sealing chamber（9）'s Go out circulation road（32）；Rotating seat（3）On be provided with the first annular groove（33）, the second stationary seat（4）On be provided with the second annular groove（41）, the first annular groove （33）With the second annular groove（41）Pass through buckle（34）Axial restraint connects.
- A kind of 2. buffer fluid flow path device structure of mechanical seal according to claim 1, it is characterised in that：First is quiet Ring seat（2）With axle sleeve（1）Between, the second stationary seat（4）With axle sleeve（1）Between, rotating seat（3）With ring set（5）Between pass through Holding screw（10）It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720277583.1U CN206860882U (en) | 2017-03-21 | 2017-03-21 | A kind of buffer fluid flow path device structure of mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720277583.1U CN206860882U (en) | 2017-03-21 | 2017-03-21 | A kind of buffer fluid flow path device structure of mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206860882U true CN206860882U (en) | 2018-01-09 |
Family
ID=60815584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720277583.1U Expired - Fee Related CN206860882U (en) | 2017-03-21 | 2017-03-21 | A kind of buffer fluid flow path device structure of mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206860882U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206891A (en) * | 2019-07-07 | 2019-09-06 | 南京林业大学 | Split mechanical seal magnetic liquid auxiliary seal ring |
| CN115315316A (en) * | 2020-03-05 | 2022-11-08 | 福伊特专利有限公司 | Fiber processing device |
-
2017
- 2017-03-21 CN CN201720277583.1U patent/CN206860882U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206891A (en) * | 2019-07-07 | 2019-09-06 | 南京林业大学 | Split mechanical seal magnetic liquid auxiliary seal ring |
| CN115315316A (en) * | 2020-03-05 | 2022-11-08 | 福伊特专利有限公司 | Fiber processing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 |