CN201896950U - Dry gas sealing pairing ring - Google Patents
Dry gas sealing pairing ring Download PDFInfo
- Publication number
- CN201896950U CN201896950U CN2011200218855U CN201120021885U CN201896950U CN 201896950 U CN201896950 U CN 201896950U CN 2011200218855 U CN2011200218855 U CN 2011200218855U CN 201120021885 U CN201120021885 U CN 201120021885U CN 201896950 U CN201896950 U CN 201896950U
- Authority
- CN
- China
- Prior art keywords
- ring
- groove
- pairing
- dry gas
- dynamic pressure
- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 17
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Mechanical Sealing (AREA)
Abstract
The utility model relates to a dry gas sealing pairing ring, which relates to the technical field of mechanical seal, and is characterized in that: a linear dynamic pressure groove with a micro-grade depth (1) is arranged on the end surface of one ring, and an annular circulation groove with a milli-grade width (2) is arranged at the inner side of a ring surface; and the linear dynamic pressure groove (1) is communicated with the annular circulation groove (2), and a sealing dam area (3) is arranged on a pairing ring surface. The utility model has the beneficial effects that: the sealing ring has a simple structure, is easy to manufacture, can be started up under lower pressure or at lower rotary speed, and is stably and reliably operated.
Description
Technical field
The utility model relates to the mechanical sealing technology field, relates in particular to a kind of dry gas seals pairing ring.
Background technique
Mechanical seal is to use rotary seal the most widely at present as the existing over one hundred year history of rotary shaft sealing.In industrialization development, along with the demand of people to clean environment, the life-span of mechanical seal and performance must improve to adapt to the needs of high parameter.
The model utility content
The purpose of this utility model provides a kind of dry gas seals pairing ring, and it is simple in structure, makes stable and reliable operation easily.
To achieve these goals, the technical solution of the utility model is as follows:
Dry gas seals pairing ring has the straight line dynamic pressure groove of the micron order degree of depth therein on the end face of a ring, and the inboard on anchor ring has the hoop circulation groove of millimeter level width, and straight line dynamic pressure groove is communicated with the hoop circulation groove.
The utility model is provided with sealing Ba Qu on the pairing anchor ring.
The beneficial effects of the utility model are:
1) the formed pressure distribution of the grooved of sealing ring is even, and air film is stable, stable and reliable operation;
2) the sealing ring can be under lower pressure or lower rotating speed, opening encapsulation pairing ring;
3) the bearing capacity height of the formed gas film of grooved of sealing ring;
4) the grooved processing mode of sealing ring is simple.
Description of drawings
Fig. 1 is the structural representation of the utility model dry gas seals pairing ring.
Fig. 2 is the bathtub construction schematic representation on the utility model dry gas seals pairing ring.
Fig. 3 is the A-A sectional view of Fig. 1.
Among the figure: 1, straight line dynamic pressure groove, 2, the hoop circulation groove, 3, sealing Ba Qu.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further details.
As shown in Figure 1, the utility model is to utilize fluid dynamic principle, has the fluid dynamic pressure groove of certain depth and geometrical shape on an anchor ring of dry gas seals pairing ring.Have straight line dynamic pressure groove 1 by the seal ring outside, straight line dynamic pressure groove 1 is restrained gradually to the inside and is incorporated hoop circulation groove 2 at anchor ring, at the sealing anchor ring sealing dam district 3 is set then, and the degree of depth of straight line dynamic pressure groove 1 will be deeper than hoop circulation groove 2.So when sealing pairing ring was rotated, the ring of rotation can drive gas and be pumped to hoop circulation groove 2 by straight line dynamic pressure groove 1, because the obstruct in sealing dam district 3 forms the equally distributed air film of pressure.End face at ring has just formed the pressure distribution zone that has gradient, and peak pressure is uniformly distributed in the hoop circulation groove, and forms effective endless belt gas film pressure, makes that the dynamic pressure effect is obvious, the gas film stiffness height.Such structure can make seal ring suspend easily, forms more stable air film.
As shown in Figures 2 and 3, depth H 1 and the depth H 2 of hoop circulation groove 2 and the outside line and the outer dead centre center line angulation of straight line dynamic pressure groove of the straight line dynamic pressure groove 1 in the utility model dry gas seals pairing ring
, the interior lines of straight line dynamic pressure groove and outer dead centre center line angulation
, the internal diameter of slotted ring in the pairing ring
, the external diameter of slotted ring in the pairing ring
, the external diameter of hoop circulation groove
, the internal diameter of hoop circulation groove
Value design according to concrete duty parameter.Rotating ring or stationary ring all can adopt straight line dynamic pressure groove 1 and hoop circulation groove 2 shown in Figure 1.The geometric parameter of its grooved is as follows: the depth H 1 of straight line dynamic pressure groove 1 is in 0.005～0.015mm scope; The depth H 2 of hoop circulation groove 2 is in 0.008～0.018mm scope; Face width B=R
o-R
i, in 6～30mm scope; Hoop circulation groove and face width are than B1=(R
G1-R
G2)/(R
o-R
i), in 0.13～0.45 scope; The weir is wide compares B2=with groove width
, in 0.7～2.2 scope; The straight line dynamic pressure angle of the v-groove compares B3=
, in 0.8～1.4 scope.
Dry gas seals pairing ring structure of the present utility model is simple, makes easily; Stable and reliable operation can opened under the lower pressure or under the lower rotating speed.
Claims (2)
1. the dry gas seals pairing encircles, it is characterized in that, this pairing ring has the straight line dynamic pressure groove (1) of the micron order degree of depth therein on the end face of a ring, and the inboard on anchor ring has the hoop circulation groove (2) of millimeter level width, and straight line dynamic pressure groove (1) is communicated with hoop circulation groove (2).
2. dry gas seals pairing ring as claimed in claim 1 is characterized in that, is provided with sealing Ba Qu (3) on the pairing anchor ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200218855U CN201896950U (en) | 2011-01-24 | 2011-01-24 | Dry gas sealing pairing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200218855U CN201896950U (en) | 2011-01-24 | 2011-01-24 | Dry gas sealing pairing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201896950U true CN201896950U (en) | 2011-07-13 |
Family
ID=44254857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200218855U Expired - Lifetime CN201896950U (en) | 2011-01-24 | 2011-01-24 | Dry gas sealing pairing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201896950U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518809A (en) * | 2011-12-29 | 2012-06-27 | 江苏大学 | Solid particle suction preventive type fluid dynamic pressure mechanical sealing ring |
| CN103234047A (en) * | 2013-04-13 | 2013-08-07 | 丹东克隆集团有限责任公司 | End face high-pressure-resistant dynamic-pressure groove structure of mechanical seal static ring for pump |
| CN103953576A (en) * | 2014-04-04 | 2014-07-30 | 上海第一水泵厂有限公司 | Seal structure and centrifugal pump using seal structure |
| CN104235381A (en) * | 2014-08-29 | 2014-12-24 | 江苏大学 | Dynamic and static pressure combined mechanical seal structure with liquid storage tanks |
| CN106104112A (en) * | 2014-06-26 | 2016-11-09 | 伊格尔工业股份有限公司 | Slide unit |
| CN109764134A (en) * | 2019-03-06 | 2019-05-17 | 西安石油大学 | It is a kind of with stablize air film connection annular groove dry-gas sealed friction pair rotating ring |
-
2011
- 2011-01-24 CN CN2011200218855U patent/CN201896950U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518809A (en) * | 2011-12-29 | 2012-06-27 | 江苏大学 | Solid particle suction preventive type fluid dynamic pressure mechanical sealing ring |
| CN102518809B (en) * | 2011-12-29 | 2015-04-22 | 江苏大学 | Solid particle suction preventive type fluid dynamic pressure mechanical sealing ring |
| CN103234047A (en) * | 2013-04-13 | 2013-08-07 | 丹东克隆集团有限责任公司 | End face high-pressure-resistant dynamic-pressure groove structure of mechanical seal static ring for pump |
| CN103234047B (en) * | 2013-04-13 | 2015-12-30 | 丹东克隆集团有限责任公司 | The high pressure resistant dynamic pressure groove structure of mechanical seal for pump stationary ring end face |
| CN103953576A (en) * | 2014-04-04 | 2014-07-30 | 上海第一水泵厂有限公司 | Seal structure and centrifugal pump using seal structure |
| CN103953576B (en) * | 2014-04-04 | 2017-01-04 | 上海第一水泵厂有限公司 | A kind of centrifugal pump sealing structure and using this sealing structure |
| CN106104112A (en) * | 2014-06-26 | 2016-11-09 | 伊格尔工业股份有限公司 | Slide unit |
| US9765892B2 (en) | 2014-06-26 | 2017-09-19 | Eagle Industry Co., Ltd. | Sliding component |
| CN104235381A (en) * | 2014-08-29 | 2014-12-24 | 江苏大学 | Dynamic and static pressure combined mechanical seal structure with liquid storage tanks |
| CN109764134A (en) * | 2019-03-06 | 2019-05-17 | 西安石油大学 | It is a kind of with stablize air film connection annular groove dry-gas sealed friction pair rotating ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: DALIAN HUAYANG SEALS CO., LTD. Free format text: FORMER NAME: DALIAN HUAYANG GUANGDA SEALING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 116036, 25, Xu Xu Road, Dalian, Ganjingzi, Liaoning Patentee after: DALIAN HUAYANG SEALS CO., LTD. Address before: 116036, 25, Xu Xu Road, Dalian, Ganjingzi, Liaoning Patentee before: Dalian Huayang Seals Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110713 |
|
| CX01 | Expiry of patent term |