CN105909800B - A kind of non-contact mechanical seal device - Google Patents
A kind of non-contact mechanical seal device Download PDFInfo
- Publication number
- CN105909800B CN105909800B CN201610389947.5A CN201610389947A CN105909800B CN 105909800 B CN105909800 B CN 105909800B CN 201610389947 A CN201610389947 A CN 201610389947A CN 105909800 B CN105909800 B CN 105909800B
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- CN
- China
- Prior art keywords
- cylindrical protrusions
- fixed disk
- rotating disc
- mechanical seal
- seal device
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
- F16J15/4476—Labyrinth packings with radial path
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
- Sealing Devices (AREA)
Abstract
The present invention provides a kind of non-contact mechanical seal device comprising：Rotating disc (1) and fixed disk (2)；The first cylindrical protrusions (3) are equipped in the middle part of the rotating disc (1), and first cylindrical protrusions (3) are hollow；First annular baffle (4) is equipped on the excircle at the top of first cylindrical protrusions (3)；Between on the inside of the threaded hole of the rotating disc (1) and on the outside of first cylindrical protrusions (3), if there are one the second ring baffles (10)；The second cylindrical protrusions (5) are equipped in the middle part of the fixation disk (2), and second cylindrical protrusions (5) are hollow；Third ring baffle (6) is equipped on the inner periphery at the top of second cylindrical protrusions (5)；The third ring baffle (6) is mutually chimeric with the first annular baffle (4)；The third ring baffle (6) is located under the first annular baffle (4)；Partly second ring baffle (10) is covered on second cylindrical protrusions (5).
Description
Technical field
The present invention relates to mechanical equipment technical field, more particularly to a kind of non-contact mechanical seal device.
Background technology
Currently, in the installation process of bearing apparatus, often in order to protect bearing, the abrasion to bearing is reduced, is needed
The both ends setting sealing of bearing, is isolated bearing installation control.Bearing is mounted on the Axle Parts of rotation, to axle portion position
Sealing be typically dynamic sealing, such as packing seal, oil sealing sealing contact seal.But dust, the steam in the bearing block external world
Deng largely flowing into and being deposited between the Axle Parts of rotation and bearing cover, destroy between bearing cover and axis
Contact seal, causes that sealing effect is poor, the defect of reduced service life.
Invention content
It is an object of the present invention to solve, service life short defect poor to existing sealing device sealing effect,
And then a kind of non-contact mechanical seal device is provided, the non-contact mechanical seal device is mounted on rotating machinery and bearing
Between seat end cap, the non-contact mechanical seal device includes：Rotating disc and fixed disk；The rotating disc need to be with the fixation
Disk is chimeric to be used, and the rotating disc and the fixed disk are evenly provided with threaded hole in its outer circle circumferential direction respectively；Described turn
The middle part of Moving plate is equipped with the first cylindrical protrusions, and first cylindrical protrusions are hollow；In first cylindrical protrusions
The excircle at top is equipped with first annular baffle；In the inside of the threaded hole of the rotating disc and first cylindrical protrusions
Outside between, if there are one the second ring baffle；The middle part of the fixed disk is equipped with the second cylindrical protrusions, and second circle
Column-shaped projection is hollow；Third ring baffle is equipped on the inner periphery at the top of second cylindrical protrusions；The third
Ring baffle and the first annular baffle are mutually chimeric, and are not in contact with each other；The third ring baffle is located at described first
Under ring baffle；Part second ring baffle is covered on second cylindrical protrusions, and is not justified with described second
Column-shaped projection contacts.
In the rotating disc on the section on diametrically, the top half of the rotating disc is in " G " type, lower half
Part is in " G " type of falling；
Relationship at an acute angle between the inner wall and outer wall of second ring baffle, i.e., 15 ° -30 °.
The axial length of second ring baffle is more than the axial length of second cylindrical protrusions, it is ensured that described the
Second ring baffle can block the dust or ponding fallen between the rotating disc and the fixed disk.
Be connected by a snap between the third ring baffle and the first annular baffle, the third ring baffle with
The distance between described first annular baffle is 2-3mm, and the lap of the two is the third ring baffle or described
The 1/2-1/3 of first annular baffle.
The fixed disk is divided into fixed disk and lower fixed disk two parts, and the two is installed to form one by the form of docking
A complete fixed disk.
The middle position of second cylindrical protrusions of the lower fixed disk is set there are one through-hole, a diameter of 10-15mm,
For the steam or dust that flow between the rotating disc and the fixed disk to be discharged.
The rotating disc is centrosymmetric structure, and keeps concentricity with axis；The quality of the rotating disc is less than rotation axis
Or the quality of rotating machinery.
Second circular cylindrical projection of the outer circle wall at the top of the second cylindrical protrusions of the fixed disk and the fixed disk
The top risen forms an inclination angle, which is 15 ° -30 °.
The advantage of the invention is that：Effectively the influence factors such as dust, steam are isolated in except sealing device, are carried significantly
The high service life and sealing effect of bearing, substantially improves the external environment of bearing and contact seal, while non-contact
It is not contacted between each component part of formula mechanically-sealing apparatus, no abrasion, long lifespan need not be regularly replaced, be greatly improved
Working efficiency and production efficiency.
Description of the drawings
Fig. 1 is a kind of non-contact mechanical seal device of present invention schematic cross-section mounted on bearings；
Fig. 2 is a kind of structural schematic diagram of non-contact mechanical seal device of the present invention；
1, rotating disc 2, fixed disk
3, the first cylindrical protrusions 4, first annular baffle
5, the second cylindrical protrusions 6, third ring baffle
7, bearing cover 8, roller-way
9, axis 10, the second ring baffle
11, through-hole
Specific implementation mode
Below in conjunction with attached drawing, the present invention is described in further detail.
As illustrated in fig. 1 and 2, the present invention provides a kind of non-contact mechanical seal device, the non-contact mechanical seal
Device is mounted between the roller-way 8 rotated clockwise and bearing cover 7, and the non-contact mechanical seal device is sleeved on axis 9
On；The non-contact mechanical seal device includes：Rotating disc 1 and fixed disk 2；The rotating disc 1 is mounted on and rotates clockwise
Roller-way 8 on, rotated together with roller-way 8；The fixed disk 2 is mounted and fixed on bearing cover 7, and the rotating disc 1 needs
Chimeric with the fixed disk 2 to use, the rotating disc 1 and the fixed disk 2 are evenly provided in its outer circle circumferential direction respectively
Threaded hole；The middle part of the rotating disc 1 is equipped with the first cylindrical protrusions 3, and first cylindrical protrusions 3 are hollow；Described
The excircle at the top of the first cylindrical protrusions 3 is equipped with first annular baffle 4；In the inside of the threaded hole of the rotating disc 1
Between the outside of first cylindrical protrusions 3, if there are one the second ring baffles 10；The middle part of the fixed disk 2 is equipped with
Second cylindrical protrusions 5, and second cylindrical protrusions 5 are hollow；Inner periphery at the top of second cylindrical protrusions 5
It is equipped with third ring baffle 6；The third ring baffle 6 is mutually chimeric with the first annular baffle 4, and does not connect mutually
It touches；The third ring baffle 6 is located under the first annular baffle 4；Part second ring baffle 10 is covered in described
On second cylindrical protrusions 5, and do not contacted with second cylindrical protrusions 5.
In the rotating disc 1 on the section on diametrically, the top half of the rotating disc 1 is in " G " type, under
Half part is in " G " type of falling；
Relationship at an acute angle between the inner wall and outer wall of second ring baffle 10, i.e., 28 °.Can have and prevent steam or dust
The gap between the rotating disc 1 and the fixed disk 2 is fallen into, and when the rotating disc 1 is rotated with the roller-way 8, by water
Gas or dust are thrown away.
The axial length of second ring baffle 10 is more than the axial length of second cylindrical protrusions 5, it is ensured that institute
The dust or ponding fallen between the rotating disc 1 and the fixed disk 2 can be blocked by stating the second ring baffle 10.
It is connected by a snap between the third ring baffle 6 and the first annular baffle 4, the third ring baffle
The distance between 6 and the first annular baffle 4 are 2mm, and the lap of the two is the third ring baffle 6 or institute
State the 1/2 of first annular baffle 4.
The fixed disk 2 divides for upper fixed disk and lower fixed disk two parts, and the two is installed to be formed by the form of docking
One complete fixed disk.
The middle position of second cylindrical protrusions 5 of the lower fixed disk is set there are one through-hole 11, a diameter of 12mm,
For the steam or dust that flow between the rotating disc 1 and the fixed disk 2 to be discharged.
The rotating disc 1 is centrosymmetric structure, and keeps concentricity with axis 9；The quality of the rotating disc 1 is less than roller-way
8 quality.
The outer circle wall at the top of the second cylindrical protrusions 5 of the fixed disk 2 is cylindrical with the second of the fixed disk 2
The top of protrusion 5 forms an inclination angle, which is 30 °.
The non-contacting seal device can be also used in the axis class equipment that other needs seal.
Finally, it should be noted that the experiment figure described in specific implementation mode only is used for illustrating the technical side of the present invention
The feasibility of case software algorithm and be not limited to this example, algorithm have already passed through lot of experimental data verification, be true and reliable, take
Technical scheme of the present invention can be realized with hardware.Although being described the invention in detail with reference to embodiment, this field
It is to be appreciated by one skilled in the art that being modified or replaced equivalently to technical scheme of the present invention, without departure from skill of the present invention
The spirit and scope of art scheme, are intended to be within the scope of the claims of the invention.
Claims (7)
1. a kind of non-contact mechanical seal device, which is characterized in that the non-contact mechanical seal device is mounted on rotation
Between equipment and bearing cover (7) comprising：Rotating disc (1) and fixed disk (2)；The rotating disc (1) need to be with the fixation
Disk (2) is chimeric to be used, and the rotating disc (1) and the fixed disk (2) are evenly provided with screw thread in its outer circle circumferential direction respectively
Hole；The middle part of the rotating disc (1) is equipped with the first cylindrical protrusions (3), and first cylindrical protrusions (3) are hollow；Institute
The excircle for stating the top of the first cylindrical protrusions (3) is equipped with first annular baffle (4)；Screw thread in the rotating disc (1)
Between the inside in hole and the outside of first cylindrical protrusions (3), if there are one the second ring baffles (10)；The fixed disk
(2) middle part is equipped with the second cylindrical protrusions (5), and second cylindrical protrusions (5) are hollow；In second circular cylindrical projection
The inner periphery for playing the top of (5) is equipped with third ring baffle (6)；The third ring baffle (6) and the first annular gear
Plate (4) is mutually chimeric, and is not in contact with each other；The third ring baffle (6) is located under the first annular baffle (4)；Part
Second ring baffle (10) is covered on second cylindrical protrusions (5), and not with second cylindrical protrusions
(5) it contacts；
The fixed disk (2) is divided into fixed disk and lower fixed disk two parts, and the two is installed to form one by the form of docking
A complete fixed disk；
The middle position of the second cylindrical protrusions (5) of the lower fixed disk is set there are one through-hole (11), a diameter of 10-
15mm, for the steam or dust that flow between the rotating disc (1) and the fixed disk (2) to be discharged.
2. a kind of non-contact mechanical seal device according to claim 1, which is characterized in that in the rotating disc (1)
Along its diametric section, the top half of the rotating disc (1) is in " G " type, and lower half portion is in " G " type of falling.
3. a kind of non-contact mechanical seal device according to claim 1, which is characterized in that second ring baffle
(10) relationship at an acute angle between inner wall and outer wall, i.e., 15 ° -30 °.
4. a kind of non-contact mechanical seal device according to claim 1, which is characterized in that second ring baffle
(10) axial length is more than the axial length of second cylindrical protrusions (5), it is ensured that second ring baffle (10) hides
Gear falls into dust or ponding between the rotating disc (1) and the fixed disk (2).
5. a kind of non-contact mechanical seal device according to claim 1, which is characterized in that the third ring baffle
(6) it is 2-3mm with the distance between the first annular baffle (4), and the lap of the two is the third ring baffle
(6) or the 1/2-1/3 of the first annular baffle (4).
6. a kind of non-contact mechanical seal device according to claim 1, which is characterized in that the rotating disc (1) is in
Centrosymmetric structure, and keep concentricity with axis (9)；The quality of the rotating disc (1) is less than rotation axis or the matter of rotating machinery
Amount.
7. a kind of non-contact mechanical seal device according to claim 1, which is characterized in that the fixed disk (2)
The outer circle wall at the top of the second cylindrical protrusions (5) and the top of the second cylindrical protrusions (5) of the fixed disk (2) are formed
One inclination angle, the inclination angle are 15 ° -30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610389947.5A CN105909800B (en) | 2016-06-02 | 2016-06-02 | A kind of non-contact mechanical seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610389947.5A CN105909800B (en) | 2016-06-02 | 2016-06-02 | A kind of non-contact mechanical seal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105909800A CN105909800A (en) | 2016-08-31 |
| CN105909800B true CN105909800B (en) | 2018-09-04 |
Family
ID=56743238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610389947.5A Active CN105909800B (en) | 2016-06-02 | 2016-06-02 | A kind of non-contact mechanical seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105909800B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2560745A (en) * | 2017-03-23 | 2018-09-26 | Lakeside Energy From Waste Ltd | Rotary Shaft bearings |
| CN110397740B (en) * | 2019-08-09 | 2024-06-04 | 中国船舶集团有限公司第七〇四研究所 | High-speed spiral sealing device |
| CA3146749A1 (en) * | 2019-08-16 | 2021-02-25 | James Hargraves | Labyrinth seal with interlocking rotor and seal case insert |
| CN110553034B (en) * | 2019-09-28 | 2021-03-26 | 中国万宝工程有限公司 | Combined dynamic seal ring |
| CN110554360A (en) * | 2019-09-28 | 2019-12-10 | 西安电子工程研究所 | Low-altitude warning radar subarray |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3893674A (en) * | 1973-12-26 | 1975-07-08 | United States Steel Corp | Non-frictional closure for exclusion of contaminants |
| JPS5846266A (en) * | 1981-09-12 | 1983-03-17 | Asahi Seikou Kk | Dust sealing apparatus for bearing box |
| CZ278254B6 (en) * | 1992-04-01 | 1993-10-13 | Bouchal Milan | Belt conveyor roller |
| DE19627048C2 (en) * | 1996-07-05 | 1999-02-25 | Artur Kuepper Gmbh & Co Kg | Idler |
| CN201196160Y (en) * | 2008-04-25 | 2009-02-18 | 东莞寮步新旧围永立电机厂 | Non-contact type bearing seal structure |
| CN203281402U (en) * | 2013-06-08 | 2013-11-13 | 昆山市密友装备制造有限责任公司 | Classifying wheel bearing protective structure of jet mill |
| CN205824192U (en) * | 2016-06-02 | 2016-12-21 | 山东钢铁股份有限公司 | A kind of non-contact mechanical seal device |
-
2016
- 2016-06-02 CN CN201610389947.5A patent/CN105909800B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105909800A (en) | 2016-08-31 |
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