CN206754365U - A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance - Google Patents
A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance Download PDFInfo
- Publication number
- CN206754365U CN206754365U CN201720321328.2U CN201720321328U CN206754365U CN 206754365 U CN206754365 U CN 206754365U CN 201720321328 U CN201720321328 U CN 201720321328U CN 206754365 U CN206754365 U CN 206754365U
- Authority
- CN
- China
- Prior art keywords
- micro
- bulge
- cluster
- seal face
- shark skin
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Mechanical Sealing (AREA)
Abstract
A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance, including the rotating ring or stationary ring as mechanical seal, the seal face outer end of rotating ring and stationary ring is upstream as high-pressure side, seal face the inner is downstream as low-pressure side, the high-pressure side of at least one seal face upstream is provided with the seals dam of a circle closing in rotating ring or stationary ring, and in several circumferential uniform pumping grooves of the seal face surface, the first end of pumping groove extends to seal face high-pressure side, and the second end extends to seal face low-pressure side；Region between adjacent two pumping grooves is sealing weir；Bottom land and sealing weir Surface Machining imitate the micro-bulge cluster of shark skin surface pattern, until being uniformly covered with whole sealing weir and pumping groove bottom land, micro-bulge cluster is made up of the dislocation arrangement of micro-bulge cluster several dimpling body units parallel to each other.The beneficial effects of the utility model are：Prevent marine fouling organism attachment, drag reduction, imitative shark skin surface three-dimensional appearance that is wear-resisting and strengthening radiating.
Description
Technical field
The utility model belongs to mechanical seal structure design field, and it is three-dimensional to be specifically related to a kind of imitative shark skin surface
The end surface mechanical sealing structure of pattern.
Background technology
Marine environment has the particularity of many with respect to land, so applying the operating mode of the mechanical seal in extra large frock is standby
It is more severe.Particularly marine biofouling problem, which is given, applies the mechanical seal in extra large frock is standby to bring many harm, sea
Foreign fouling organism can be attached on the friction pair of mechanical seal, can accelerate the corrosion and abrasion of seal face, so as to cause machinery
The sealing property of sealing declines, and service life shortens, and mechanical seal can be made to fail when serious.For such case, it is necessary to grind
Study carefully a kind of mechanically-sealing apparatus for preventing marine fouling organism from adhering to, make mechanical seal in the process of running by marine fouling organism
Influence be preferably minimized, so as to increase the wearability of sealing and corrosion resistance, extend its service life.
At present, have many studies have shown that large ocean mammal shagreen have complexity surface topography, this
The appearance structure of a little biological surfaces can effectively prevent or suppress biological attachment.The machine of benthon attachment is protected according to shark
Reason, Brennan et al., Scardino and De Nys and Magin et al. develop Sharklet using the method for etching overmolded
AFTM fine structure materials, it was demonstrated that can effectively prevent algae, barnacle etc. to be stained marine organisms attachment, and its adhesive rate reduces
85% or so.
The mechanism of marine fouling organism attachment is imitated according to shark skin surface appearance structure, a kind of imitative shark epidermis can be designed
The end surface mechanical sealing structure of face appearance structure, so as to prevent or suppress marine organisms attachment, so as to reach increase seal wear-resistant
Property and corrosion resistance, the purpose to increase the service life.
The content of the invention
The defects of for easily being adhered at present using the end face seal of ocean by marine fouling organism or deficiency, this practicality
It is new to provide a kind of imitative shark skin surface three-dimensional appearance for preventing marine fouling organism attachment, drag reduction, wear-resisting and reinforcing from radiating
End surface mechanical sealing structure.
A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance described in the utility model, including machinery are close
The seal face outer end of the rotating ring and stationary ring of envelope, the rotating ring and described stationary ring is upstream as high-pressure side, seal face
The inner is downstream as low-pressure side, it is characterised in that：The high pressure of at least one seal face upstream in the rotating ring or stationary ring
Side is provided with the seals dam of a circle closing, and in several circumferential uniform pumping grooves of the seal face surface, the upstream pump
The first end of groove is sent to extend to the high-pressure side of seal face, the second end extends to the low-pressure side of seal face；Adjacent two upstreams
Region between pumping groove is sealing weir；The pumping groove bottom land and sealing weir Surface Machining have imitative shark skin surface pattern
Micro-bulge cluster, micro-bulge cluster dislocation arrangement is described micro- until be uniformly covered with whole sealing weir and pumping groove bottom land
Convex body cluster is made up of several dimpling body units parallel to each other.
The micro-bulge cluster is arranged in parallel along its short-axis direction successively by several dimpling body units, and with group micro-bulge list
Member length along its short-axis direction from center to both ends decrescence；The adjacent micro-bulge cluster on sealing weir surface along its short-axis direction head and the tail
Connect, and straight line where the micro-bulge cluster short axle on sealing weir surface crosses the center of circle of seal face；Its short-and-medium axle refers to micro-bulge
The symmetry axis vertical with micro-bulge unit center axle in cluster；Major axis refers to the center of most long dimpling body unit in micro-bulge cluster
Axle.
The seal face surface is that bending direction is consistent along its circumferential uniform multiple pumping groove, pumping groove
Smooth arc groove, and the second end slot mouth of pumping groove is than first end slot opening.
The micro-bulge cluster long axis direction of the bottom surface of the pumping groove is consistent with the arc groove water conservancy diversion direction, institute
It is consistent with the tangent to periphery direction of basic circle where arc groove to state the micro-bulge cluster long axis direction on sealing weir surface.
The micro-bulge cell cross-section is the combined shaped of rectangle and two semicircles, the dimpling body unit two and half
Straight line where the round heart overlaps with dimpling body unit major axis, the perpendicular bisector of two semicircle circle center line connectings of dimpling body unit is by sealing
The end face center of circle and overlapped with micro-bulge cell short axis.
Spacing of the described pumping groove first end apart from the end face upstream is 0.5-3mm, groove depth 0.1-1mm.
The uniform pumping groove number in described seal face surface is 3-25.
It it is 0.05-0.3 μm with the gap between the dimpling body unit in group micro-bulge cluster.
The utility model has the advantages that：
1) micron order is machined with pumping groove bottom land and sealing weir surface and imitates the micro- of shark skin surface three-dimensional appearance
Convex body cluster so that marine fouling organism is difficult to adhere on seal face, so as to reach the mesh for preventing that marine fouling organism from adhering to
's.
2) due to certain interval between micro-bulge cluster be present, when liquid passes through a part of end face seal can be taken away running
During caused frictional heat, reach strengthen radiating effect.
3) pumping groove and imitative shark skin surface three-dimensional appearance are combined, and can be reduced friction power loss, be subtracted so as to reach
The effect of resistance.
4) pumping groove and imitative shark skin surface three-dimensional appearance are combined, and can strengthen dynamic pressure effect, reduce abrasion, from
And the effect for reaching enhancing wearability, increasing the service life.
Brief description of the drawings
Fig. 1 is that (A represents high-pressure side to schematic diagram of the present utility model；B represents low-pressure side)；
Fig. 2 is top view of the present utility model；
Fig. 3 is micro-bulge cluster schematic diagram of the present utility model.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings
Referring to the drawings：
A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance described in the utility model of embodiment 1, bag
Include the rotating ring and stationary ring as mechanical seal, the seal face outer end of the rotating ring and described stationary ring 1 is as high-pressure side A
Upstream, seal face the inner are downstream as low-pressure side B, the height of at least one seal face upstream in the rotating ring or stationary ring
Press side to be provided with the seals dam 2 of a circle closing, and in several circumferential uniform pumping grooves 5 of the seal face surface, it is described on
The first end of trip pumping groove 5 extends to the high-pressure side A of seal face, and the second end extends to the low-pressure side B of seal face；Adjacent two
Region between bar pumping groove 5 is sealing weir 3；The bottom land of pumping groove 5 and the Surface Machining of sealing weir 3 have imitative shark
The micro-bulge cluster 4 of skin surface topography, the dislocation of micro-bulge cluster 4 arrangement is until be uniformly covered with whole sealing weir 3 and pumping
The bottom land of groove 5, the micro-bulge cluster 441 are made up of several dimpling body units parallel to each other.
The micro-bulge cluster 4 is arranged in parallel along its short-axis direction successively by several dimpling body units 41, and with group dimpling
The length of body unit along its direction of short axle 7 from center to both ends decrescence；The adjacent micro-bulge cluster on sealing weir surface is along its short axle side
To end to end, and straight line where the micro-bulge cluster short axle on sealing weir surface crosses the center of circle of seal face；Its short-and-medium axle refers to
The symmetry axis vertical with micro-bulge unit center axle in micro-bulge cluster；Major axis 6 refers to most long dimpling body unit in micro-bulge cluster
Central shaft.
Along its circumferential uniform multiple pumping groove 5, pumping groove 5 is that bending direction is consistent on the seal face surface
Smooth arc groove, and the second end slot mouth of pumping groove 5 is than first end slot opening.
The direction of 4 major axis of micro-bulge cluster 6 of the bottom surface of the pumping groove 5 and the arc groove water conservancy diversion direction one
Cause, the micro-bulge cluster long axis direction on the surface of sealing weir 3 is consistent with the tangent to periphery direction of basic circle where arc groove.
The cross section of dimpling body unit 41 is the combined shaped of rectangle and two semicircles, the dimpling body unit two
Straight line where the semicircle center of circle overlaps with dimpling body unit major axis, the perpendicular bisector of two semicircle circle center line connectings of dimpling body unit is through overstocked
The end-blocking face center of circle and overlapped with micro-bulge cell short axis.
Spacing of the described first end of pumping groove 5 apart from the end face upstream is 0.5-3mm, groove depth 0.1-1mm.
The uniform pumping groove number in described seal face surface is 3-25.
It it is 0.05-0.3 μm with the gap between the dimpling body unit in group micro-bulge cluster 4.
Specifically, stationary ring is represented in Fig. 1, but rotating ring is in fact similar to its, this place is not drawn in addition；The pumping
Groove 5 and imitative shark skin surface three-dimensional appearance are combined can reduce friction power loss, so as to reduce friction pair in the process of running
Resistance, reaches the effect of drag reduction, at the same the pumping groove 5 and imitative shark skin surface three-dimensional appearance be combined can increase it is dynamic
Effect is pressed, friction pair is reduced wear rate reduction in the process of running, the effect for reach enhancing wearability, increasing the service life.
Gap be present between the micro-bulge cluster 4, the area of liquid and solid contact can be increased, make the heat of convection heat transfer' heat-transfer by convection between solid-liquid
Amount increase, the heat taken away by liquid flowing increase, so as to reach the effect for strengthening radiating.Simultaneously as the micro-bulge
The presence of cluster 4 so that marine fouling organism is difficult to adhere on seal face, prevents what marine fouling organism from adhering to so as to reach
Purpose.
Content described in this specification embodiment is only enumerating to the way of realization of utility model design, and this practicality is new
The protection domain of type is not construed as being only limitted to the concrete form that embodiment is stated, the scope of protection of the utility model is also wrapped
Include those skilled in the art according to the utility model design it is conceivable that equivalent technologies mean.
Claims (8)
1. a kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance, including the rotating ring or quiet as mechanical seal
Ring, the seal face outer end of the rotating ring and stationary ring are upstream as high-pressure side, seal face is inner be as low-pressure side under
Trip, it is characterised in that：The high-pressure side of at least one seal face upstream is provided with the close of a circle closing in the rotating ring or stationary ring
Dam is sealed, and is extended in several circumferential uniform pumping grooves of the seal face surface, the first end of the pumping groove
The high-pressure side of seal face, the second end extend to the low-pressure side of seal face；Region between adjacent two pumping grooves is
Sealing weir；The pumping groove bottom land and sealing weir Surface Machining have the micro-bulge cluster of imitative shark skin surface pattern, described micro-
Convex body cluster dislocation arrangement until be uniformly covered with whole sealing weir and pumping groove bottom land, the micro-bulge cluster by several each other
Parallel dimpling body unit composition.
A kind of 2. end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance as claimed in claim 1, it is characterised in that：
The micro-bulge cluster is arranged in parallel along its short-axis direction successively by several dimpling body units, and with the length of group dimpling body unit
Along its short-axis direction from center to both ends decrescence；The adjacent micro-bulge cluster on sealing weir surface is end to end along its short-axis direction, and
Straight line where the micro-bulge cluster short axle on sealing weir surface crosses the center of circle of seal face；Its short-and-medium axle refer in micro-bulge cluster with it is micro-
The vertical symmetry axis of convex body unit center axle；Major axis refers to the central shaft of most long dimpling body unit in micro-bulge cluster.
A kind of 3. end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance as claimed in claim 2, it is characterised in that：
The seal face surface is the consistent smooth circular arc of bending direction along its circumferential uniform multiple pumping groove, pumping groove
Groove, and the second end slot mouth of pumping groove is than first end slot opening.
A kind of 4. end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance as claimed in claim 3, it is characterised in that：
The micro-bulge cluster long axis direction of the bottom surface of the pumping groove is consistent with the arc groove water conservancy diversion direction, the sealing weir
Micro-bulge cluster long axis direction on surface is consistent with the tangent to periphery direction of basic circle where arc groove.
A kind of 5. end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance as claimed in claim 3, it is characterised in that：
The micro-bulge cell cross-section is the combined shaped of rectangle and two semicircles, described two semicircle center of circle institutes of dimpling body unit
Straight line overlaps with dimpling body unit major axis, the perpendicular bisector of two semicircle circle center line connectings of dimpling body unit passes through the seal face center of circle
And overlapped with micro-bulge cell short axis.
A kind of 6. end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance as claimed in claim 5, it is characterised in that：
Spacing of the described pumping groove first end apart from the end face upstream is 0.5-3mm, groove depth 0.1-1mm.
A kind of 7. end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance as claimed in claim 6, it is characterised in that：
The uniform pumping groove number in described seal face surface is 3-25.
A kind of 8. end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance as claimed in claim 4, it is characterised in that：
It it is 0.05-0.3 μm with the gap between the dimpling body unit in group micro-bulge cluster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720321328.2U CN206754365U (en) | 2017-03-30 | 2017-03-30 | A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720321328.2U CN206754365U (en) | 2017-03-30 | 2017-03-30 | A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206754365U true CN206754365U (en) | 2017-12-15 |
Family
ID=60611914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720321328.2U Withdrawn - After Issue CN206754365U (en) | 2017-03-30 | 2017-03-30 | A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206754365U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838323A (en) * | 2017-03-30 | 2017-06-13 | 浙江工业大学 | A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance |
| CN108358154A (en) * | 2017-12-29 | 2018-08-03 | 西北工业大学 | A kind of bionical micro-structure of the fusiformis having property of reduction drag |
-
2017
- 2017-03-30 CN CN201720321328.2U patent/CN206754365U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838323A (en) * | 2017-03-30 | 2017-06-13 | 浙江工业大学 | A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance |
| CN108358154A (en) * | 2017-12-29 | 2018-08-03 | 西北工业大学 | A kind of bionical micro-structure of the fusiformis having property of reduction drag |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106838323B (en) | A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance | |
| CN202158190U (en) | Gland type filling dynamic sealing device | |
| CN206754365U (en) | A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance | |
| CN103438228A (en) | Self-sealing center line-type butterfly valve | |
| CN202834739U (en) | Air inflation spearhead | |
| CN204164340U (en) | Built-up piston seal arrangement | |
| CN206017844U (en) | A kind of Fixed ball valve | |
| CN107524806B (en) | The imitative shell type tank liquid lubricating mechanical sealing structure of crateriform texture shape | |
| CN211344034U (en) | Mechanical sealing device of vapor compressor | |
| CN207333714U (en) | The imitative shell type tank liquid lubricating mechanical sealing structure of turtleback texture shape | |
| CN211082370U (en) | Mechanical seal of salt mining ore delivery pump for salt lake ship | |
| CN210372114U (en) | Valve for resisting high pressure and high speed sand dust | |
| CN207333713U (en) | The imitative shell type tank liquid lubricating mechanical sealing structure of crateriform texture shape | |
| CN204004537U (en) | Lubricating type stopcock | |
| CN202561244U (en) | Plunger globe valve | |
| CN202228698U (en) | Butterfly valve with diversion protective ring | |
| CN205013737U (en) | High leakproofness ability ball valve | |
| CN201787078U (en) | Combined rotary-axle seal piece | |
| CN210600175U (en) | Mechanical seal with micro-convex cluster surface having function of reducing microbial adhesion | |
| CN201843787U (en) | High-lift rubber pump | |
| CN201884666U (en) | Self-seal zero-leakage drain-molding-surface mechanical seal face structure | |
| CN107269847A (en) | The imitative shell type tank liquid lubricating mechanical sealing structure of turtleback texture shape | |
| CN206017773U (en) | A kind of three dimension eccentric anti-corrosion multiple layer metal sealed butterfly valve | |
| CN210738898U (en) | Concatenation type water pump bearing housing | |
| CN204592292U (en) | A kind of high pressure Oil sealing assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171215 Effective date of abandoning: 20180504 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20171215 Effective date of abandoning: 20180504 |