CN103968076B - Rotor seal structure - Google Patents
Rotor seal structure Download PDFInfo
- Publication number
- CN103968076B CN103968076B CN201310038700.5A CN201310038700A CN103968076B CN 103968076 B CN103968076 B CN 103968076B CN 201310038700 A CN201310038700 A CN 201310038700A CN 103968076 B CN103968076 B CN 103968076B
- Authority
- CN
- China
- Prior art keywords
- rotor
- diaphragm seal
- seal
- slide block
- housing
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C19/00—Sealing arrangements in rotary-piston machines or engines
- F01C19/08—Axially-movable sealings for working fluids
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sealing Devices (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Centrifugal Separators (AREA)
Abstract
The present invention provides a kind of rotor seal structure, including rotor, at least one first diaphragm seal and at least one supporting member, rotor has at least one side groove, each lateral grooves has face, axle center, peripheral surface and inclined-plane, the length in face, axle center is more than the length of peripheral surface, and inclined-plane is arranged between face, axle center and peripheral surface；At least one first diaphragm seal is arranged between at least one side and a housing of rotor；At least one supporting member is arranged in lateral grooves, and when the rotor is turning, at least one supporting member moves to peripheral surface along inclined-plane because of centrifugal force, to support at least one first diaphragm seal to housing.The present invention also provides for a kind of rotor seal structure including that rotor, at least one first diaphragm seal and at least seal slide block.The present invention utilizes centrifugal force to make supporting member move to support this at least one first diaphragm seal to housing, can strengthen the sealing between at least one first diaphragm seal and housing；Or utilize centrifugal force to make at least one sealing slide block support housing, to strengthen the sealing between rotor and housing.
Description
Technical field
The present invention is about a kind of rotor seal structure.
Background technology
Between existing rotor and housing, because of the relation of size, it is difficult to accomplish to rotate smooth and easy, and can good seal.Because
If rotor can rotate smooth and easy in housing, it is necessary to keep a fixed gap with housing, then this space will make the close of rotor and housing
Envelope property is the best, it is impossible to be applied to compressing member etc..
Therefore it provides a kind of innovation and the rotor seal structure of progressive, to solve the problems referred to above.
Summary of the invention
It is an object of the invention to provide a kind of rotor seal structure, it is possible to the effectively gap between canned rotor and housing,
Ensure the sealing between rotor and housing.
The rotor seal structure of the present invention, including: a rotor, at least one first diaphragm seal and at least one supporting member.This turn
Son has at least one side groove, and this lateral grooves is arranged at least one side of this rotor, and each lateral grooves has an axle
Heart face, a peripheral surface and an inclined-plane, this face, axle center is close to an axle center of this rotor, and this peripheral surface, should close to the periphery of this rotor
The length in face, axle center is more than the length of this peripheral surface, and this inclined-plane is arranged between this face, axle center and this peripheral surface.At least one first
Diaphragm seal is arranged between at least one side and a housing of this rotor.At least one supporting member is arranged at this at least one side groove
In, when the rotor is turning, this at least one supporting member, because of centrifugal force, moves to this peripheral surface along this inclined-plane, support this at least one
First diaphragm seal is to this housing.
In a preferred embodiment, also include at least one second diaphragm seal, this second diaphragm seal be arranged at this at least one
Between first diaphragm seal and at least one side of this rotor.
In a preferred embodiment, this at least one first diaphragm seal and at least one second diaphragm seal are elastic material system
Become.
In a preferred embodiment, this at least one second diaphragm seal includes at least one hollow hole, and this hollow hole is arranged at
To should at least one side groove.
In a preferred embodiment, the length of this at least one supporting member is identical with the length in this face, axle center.
The present invention provides a kind of rotor seal structure, including: a rotor, at least one first diaphragm seal and at least one seal sliding
Block.This rotor has at least one axial notch, and this axial notch is along the periphery being axially set in this rotor of this rotor.At least one
First diaphragm seal is arranged between at least one side and a housing of this rotor, and this at least one first diaphragm seal includes at least one
One slide block slot, this first slide block slot is arranged at should at least one axial notch.At least one seal slide block be arranged at this at least one
In axial notch, when the rotor is turning, this at least one sealing slide block moves out this at least one axle because of centrifugal force, part sealing slide block
To groove, support this housing.
In a preferred embodiment, also include at least one second diaphragm seal, this second diaphragm seal be arranged at this at least one
Between first diaphragm seal and at least one side of this rotor.
In a preferred embodiment, this at least one first diaphragm seal and at least one second diaphragm seal are elastic material system
Become.
In a preferred embodiment, this at least one second diaphragm seal includes one second slide block slot, and this second slide block slot sets
It is placed in should at least one axial notch.
In a preferred embodiment, each sealing slide block includes a slider body, at least one sliding pin and at least side
Diaphragm seal, this at least one sliding pin is movably connected with this slider body and this at least side diaphragm seal, at the shape that this rotor rotates
Under state, this at least side diaphragm seal because of centrifugal force, along this rotor move axially support this housing.
In a preferred embodiment, each sealing slide block also includes at least one elastic sealing strip, and this elastic sealing strip sets
It is placed in this at least between side diaphragm seal and this slider body, and this at least one sliding pin is movably connected with this slider body, is somebody's turn to do
At least one elastic sealing strip and this at least side diaphragm seal.
In a preferred embodiment, this at least one first diaphragm seal also includes a par and a lug boss, this projection
Portion is arranged at the circumferential perimeter of this first diaphragm seal.
Therefore, utilize centrifugal force to make supporting member move to support this at least one first diaphragm seal to this housing, can strengthen
Sealing between this at least one first diaphragm seal and this housing；Or utilize centrifugal force to make this at least one sealing slide block support this shell
Body, to strengthen the sealing between this rotor and this housing.
Accompanying drawing explanation
Figure 1A shows the axial cross-sectional views of first embodiment of the invention rotor seal structure；
Figure 1B shows the radial section schematic diagram of first embodiment of the invention rotor seal structure；
Fig. 2 shows the axial cross-sectional views of rotor seal structure when first embodiment of the invention rotor rotates；
Fig. 3 shows the axial cross-sectional views of second embodiment of the invention rotor seal structure；
Fig. 4 shows the axial cross-sectional views of rotor seal structure when second embodiment of the invention rotor rotates；
Fig. 5 shows the axial cross-sectional views of third embodiment of the invention rotor seal structure；
Fig. 6 shows the radial section schematic diagram of third embodiment of the invention rotor seal structure；
Fig. 7 shows the radial section schematic diagram of rotor seal structure when third embodiment of the invention rotor rotates；
Fig. 8 shows the schematic diagram of the first diaphragm seal of third embodiment of the invention rotor seal structure；
Fig. 9 shows that the A-A of the first diaphragm seal of third embodiment of the invention rotor seal structure is to generalized section；
The schematic diagram sealing slide block of Figure 10 A display third embodiment of the invention rotor seal structure；
The generalized section sealing slide block of Figure 10 B display third embodiment of the invention rotor seal structure；
Figure 11 shows the axial cross-sectional views of rotor seal structure when third embodiment of the invention rotor rotates.
Component symbol explanation
10 ... the rotor seal structure 11 of first embodiment of the invention ... rotor
12 ... housing 13 ... the second diaphragm seal
14 ... the first diaphragm seal 17 ... the second diaphragm seal
20 ... the rotor seal structure 21 of third embodiment of the invention ... rotor
23 ... the second diaphragm seal 24 ... the first diaphragm seal
25,26 ... seal slide block 111,112 ... lateral grooves
113 ... side 115 ... face, axle center
116 ... peripheral surface 117 ... inclined-plane
118 ... axle center 119 ... periphery
151,152 ... supporting member 171,172 ... hollow hole
211,212 ... axial notch 213 ... side
218 ... axle center 241,242 ... the first slide block slot
243 ... par 244 ... lug boss
251 ... slider body 252 ... side seal sheet
253 ... elastic sealing strip 254 ... sliding pin
22 ... housing
Detailed description of the invention
With reference to Figure 1A, the axial cross-sectional views of its display first embodiment of the invention rotor seal structure；With reference to Figure 1B,
The radial section schematic diagram of its display first embodiment of the invention rotor seal structure.Coordinate with reference to Figure 1A and Figure 1B, the present invention
The rotor seal structure 10 of first embodiment includes: rotor 11, at least one first diaphragm seal 14 and at least one supporting member 151,
Supporting member 152.
This rotor 11 has at least one side groove 111, lateral grooves 112, is arranged at least one side of this rotor 11
113, each lateral grooves has a face, axle center, a peripheral surface and an inclined-plane.Illustrating as a example by lateral grooves 111, this side is recessed
Groove 111 has face, axle center 115, peripheral surface 116 and an inclined-plane 117.This face, axle center 115 is close to an axle center of this rotor 11
118, this peripheral surface 116 is more than the length of this peripheral surface 116 close to the periphery 119 of this rotor 11, the length in this face, axle center 115,
This inclined-plane 117 is arranged between this face, axle center 115 and this peripheral surface 116.That is, this inclined-plane 117 is outer to this by this face, axle center 115
Enclose face 116 gradually to tilt towards this side 113.
This at least one first diaphragm seal 14 is arranged between at least one side 113 and a housing 12 of this rotor 11.At this
In embodiment, 2 first diaphragm seals 14 are arranged between two side faces and this housing 12 of this rotor 11.
This at least one supporting member 151, supporting member 152 are arranged at this at least in one side groove 111, lateral grooves 112.With
Illustrating as a example by supporting member 151, when rotor 11 is static, this supporting member 151 is arranged at this face, axle center 115 of this lateral grooves 111,
And it is preferred that the length of this supporting member 151 is identical with the length in this face, axle center 115, or the length of this supporting member 151 is less than being somebody's turn to do
The length in face, axle center 115.When rotor 11 rotates, this supporting member 151, because of centrifugal force, moves to this periphery along this inclined-plane 117
Face 116, supports this at least one first diaphragm seal 14 to this housing 12, as shown in Figure 2.
Therefore, utilize centrifugal force that supporting member is moved to peripheral surface to support this at least one first diaphragm seal 14 to this shell
Body 12, can strengthen the sealing between this at least one first diaphragm seal and this housing.
The rotor seal structure 10 of first embodiment of the invention separately includes at least one second diaphragm seal 13, be arranged at this first
Between diaphragm seal 14 and at least one side 113 of this rotor 11.In the present embodiment, 2 second diaphragm seals 13 are respectively arranged at two
Between first diaphragm seal 14 and the two side faces 113 of this rotor 11.It is preferred that this at least one first diaphragm seal and at least one second close
Mounting is elastic material, to provide basic pressure to seal, and can have similar O and spring function, to fill rotor
At least space between one side and housing.
With reference to Fig. 3, the axial cross-sectional views of its display second embodiment of the invention rotor seal structure；With reference to Fig. 4, its
The axial cross-sectional views of rotor seal structure when display second embodiment of the invention rotor rotates.Coordinate with reference to Fig. 3 and Fig. 4,
Second embodiment of the invention rotor seal structure is with first embodiment rotor seal structure difference, and the present invention second is real
This at least one second diaphragm seal 17 executing example rotor seal structure includes at least one hollow hole 171, hollow hole 172, and it is right to be arranged at
Should at least one side groove 111, lateral grooves 112.When rotor 11 rotates, this supporting member 151 is because of centrifugal force, oblique along this
Face 117 is moved to this peripheral surface 116, and directly supports this first diaphragm seal 14 to this through this hollow hole 171, hollow hole 172
Housing 12.Therefore, the sealing between this at least one first diaphragm seal and this housing can be strengthened.
With reference to Fig. 5, the axial cross-sectional views of its display third embodiment of the invention rotor seal structure；With reference to Fig. 6, its
The radial section schematic diagram of display third embodiment of the invention rotor seal structure.Coordinating with reference to Fig. 5 and Fig. 6, the present invention the 3rd
The rotor seal structure 20 of embodiment includes: rotor 21, at least one first diaphragm seal 24 and at least seals slide block 25, seals
Slide block 26.This rotor 21 has at least one axial notch 211, axial notch 212, is axially set in this rotor along this rotor 21
The periphery of 21.In the present embodiment, this rotor 21 has two axial notches 211, axial notch 212.
With reference to Fig. 8, the schematic diagram of the first diaphragm seal of its display third embodiment of the invention rotor seal structure；With reference to figure
9, the generalized section of the first diaphragm seal of its display third embodiment of the invention rotor seal structure.Coordinate with reference to Fig. 5, Fig. 8
And Fig. 9, at least one first diaphragm seal 24 is arranged between at least one side 213 and a housing 22 of this rotor 21, and this is at least one years old
First diaphragm seal 24 includes at least one first slide block slot the 241, first slide block slot 242, is arranged at should at least one axial notch
211, axial notch 212.In the present embodiment, this at least one first diaphragm seal 24 separately includes par 243 and a lug boss
244, this lug boss 244 is arranged at the circumferential perimeter of this first diaphragm seal 24 and relative to axle center 218 circumferential perimeter of rotor 21,
To reduce the contact area with this housing 22.
With reference to Fig. 7, the radial section schematic diagram of rotor seal structure when its display third embodiment of the invention rotor rotates.
At least one sealing slide block 25, sealing slide block 26 are arranged in this at least one axial notch 211, axial notch 212, when rotor 21 turns
When moving, this at least one sealing slide block 25, sealing slide block 26 are because of centrifugal force, and part seals slide block 25, sealing slide block 26 moves out this
At least one axial notch 211, axial notch 212, namely protrude this rotor 21, support this housing 22, with canned rotor 21 with should
Space between housing 22.
Refer again to Fig. 5, the rotor seal structure 20 of third embodiment of the invention separately includes at least one second diaphragm seal 23,
It is arranged between this first diaphragm seal 24 and at least one side 213 of this rotor 21.In the present embodiment, 2 second diaphragm seal 23
It is respectively arranged between 2 first diaphragm seals 24 and the two side faces 213 of this rotor 21.It is preferred that this at least one first diaphragm seal and
At least one second diaphragm seal is elastic material, to provide basic pressure to seal, and can have similar O and spring function,
To fill at least space between one side and housing of rotor.In the present embodiment, this at least one second diaphragm seal 23 includes one
Second slide block slot (not shown), is arranged at should at least one axial notch 211, axial notch 212.
With reference to Figure 10 A, the schematic diagram sealing slide block of its display third embodiment of the invention rotor seal structure；With reference to figure
10B, the generalized section sealing slide block of its display third embodiment of the invention rotor seal structure.With reference to Figure 11, its display
The axial cross-sectional views of rotor seal structure when third embodiment of the invention rotor rotates.Coordinate with reference to Figure 10 A, Figure 10 B and
Figure 11, each sealing slide block includes a slider body, at least one sliding pin and at least side diaphragm seal.As a example by sealing slide block 25
Illustrating, this sealing slide block 25 includes slider body 251, two side seal sheet 252 and two sliding pins 254.Two sliding pins 254 are movable
Ground connects these slider body 251 and two side seal sheets 252, and when rotor 21 rotates, two side seal sheets 252 are because of centrifugal force, along being somebody's turn to do
The moving axially of rotor 21 supports this housing 22, to strengthen the sealing with housing 22.
In the present embodiment, each sealing slide block separately includes at least one elastic sealing strip, is arranged at this at least one side seal
Between sheet and this slider body.Illustrate as a example by slide block 25 sealing, two elastic sealing strips 253 be arranged at two side seal sheets 252 with
Between this slider body 251 and two sliding pins 254 are movably connected with this slider body 251, two elastic sealing strip 253 and two sides are close
Mounting 252.
The rotor seal structure 20 of third embodiment of the invention can separately include supporting of first embodiment rotor seal structure 10
Head part 151, supporting member 152 and the structure such as lateral grooves 111, lateral grooves 112, to strengthen this at least one first diaphragm seal and to be somebody's turn to do
Sealing between housing.And the rotor seal structure 10 of first embodiment of the invention can separately include the 3rd embodiment rotor seal structure
Sealing slide block 25, sealing slide block 26 and the structure such as axial notch 211, axial notch 212 of 20, to seal this rotor and this housing
Between space.
Above-described embodiment is only principle and effect thereof of the explanation present invention, and the unrestricted present invention.Therefore this technology it is familiar with
Personnel above-described embodiment is modified and changes the spirit not taking off the present invention.The scope of the present invention should be such as claim
Listed by scope.
Claims (12)
1. a rotor seal structure, it is characterised in that including:
One rotor, has at least one side groove, and this lateral grooves is arranged at least one side of this rotor, each lateral grooves
Having a face, axle center, a peripheral surface and an inclined-plane, this face, axle center is close to an axle center of this rotor, and this peripheral surface is close to this rotor
Periphery, the length in this face, axle center is more than the length of this peripheral surface, and this inclined-plane is arranged between this face, axle center and this peripheral surface；
At least one first diaphragm seal, is arranged between at least one side and a housing of this rotor；And
At least one supporting member, is arranged at this at least in one side groove, when this rotor rotates, and this at least one supporting member
Because of centrifugal force, move to this peripheral surface along this inclined-plane, support this at least one first diaphragm seal to this housing.
2. rotor seal structure as claimed in claim 1, it is characterised in that also including at least one second diaphragm seal, this is second years old
Diaphragm seal is arranged between this at least one first diaphragm seal and at least one side of this rotor.
3. rotor seal structure as claimed in claim 2, it is characterised in that this at least one first diaphragm seal and at least one second
Diaphragm seal is that elastic material is made.
4. rotor seal structure as claimed in claim 2, it is characterised in that this at least one second diaphragm seal includes at least
Emptying aperture, this hollow hole is arranged at should at least one side groove.
5. rotor seal structure as claimed in claim 1, it is characterised in that the length of this at least one supporting member and this face, axle center
Length identical.
6. a rotor seal structure, it is characterised in that including:
One rotor, has at least one axial notch, and this axial notch is along the periphery being axially set in this rotor of this rotor；
At least one first diaphragm seal, is arranged between at least one side and a housing of this rotor, this at least one first diaphragm seal
Including at least one first slide block slot, this first slide block slot is arranged at should at least one axial notch；And
At least one seals slide block, is arranged in this at least one axial notch, when this rotor rotates, and this at least one sealing
Slide block seals slide block and moves out this at least one axial notch because of centrifugal force, part, support this housing.
7. rotor seal structure as claimed in claim 6, it is characterised in that also including at least one second diaphragm seal, this is second years old
Diaphragm seal is arranged between this at least one first diaphragm seal and at least one side of this rotor.
8. rotor seal structure as claimed in claim 7, it is characterised in that this at least one first diaphragm seal and at least one second
Diaphragm seal is that elastic material is made.
9. rotor seal structure as claimed in claim 7, it is characterised in that this at least one second diaphragm seal includes that one second is sliding
Block groove, this second slide block slot is arranged at should at least one axial notch.
10. rotor seal structure as claimed in claim 6, it is characterised in that each sealing slide block includes a slider body, extremely
A few sliding pin and at least side diaphragm seal, this at least one sliding pin is movably connected with this slider body and this at least one side seal
Sheet, when this rotor rotates, this at least side diaphragm seal because of centrifugal force, along this rotor move axially support this shell
Body.
11. rotor seal structures as claimed in claim 10, it is characterised in that each sealing slide block also includes that at least one is elastic
Diaphragm seal, this elastic sealing strip is arranged at this at least between side diaphragm seal and this slider body, and this at least one sliding pin is lived
Connect this slider body, this at least one elastic sealing strip and this at least side diaphragm seal dynamicly.
12. rotor seal structures as claimed in claim 6, it is characterised in that this at least one first diaphragm seal also includes that one is flat
Smooth portion and a lug boss, this lug boss is arranged at the circumferential perimeter of this first diaphragm seal.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310038700.5A CN103968076B (en) | 2013-01-31 | 2013-01-31 | Rotor seal structure |
| TW103103341A TWI532938B (en) | 2013-01-31 | 2014-01-29 | Rotor seal structure |
| PCT/CN2014/071841 WO2014117746A1 (en) | 2013-01-31 | 2014-01-30 | Rotor seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310038700.5A CN103968076B (en) | 2013-01-31 | 2013-01-31 | Rotor seal structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103968076A CN103968076A (en) | 2014-08-06 |
| CN103968076B true CN103968076B (en) | 2016-09-07 |
Family
ID=51237925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310038700.5A Expired - Fee Related CN103968076B (en) | 2013-01-31 | 2013-01-31 | Rotor seal structure |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103968076B (en) |
| TW (1) | TWI532938B (en) |
| WO (1) | WO2014117746A1 (en) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5163092U (en) * | 1974-11-11 | 1976-05-18 | ||
| US3963389A (en) * | 1975-04-10 | 1976-06-15 | Outboard Marine Corporation | Multi-piece apex seal for a rotary engine |
| ZA786287B (en) * | 1978-11-08 | 1980-03-26 | P Minnaar | Rotary engine |
| JPS58107893A (en) * | 1981-12-21 | 1983-06-27 | Hitachi Ltd | Rotary compressor |
| JPH0767214B2 (en) * | 1987-10-26 | 1995-07-19 | 三菱電機株式会社 | Gas insulated switch |
| CN1015281B (en) * | 1989-12-19 | 1992-01-01 | 上海市化工装备研究所 | Centrifugal machinery stop working sealing device |
| CN1206448A (en) * | 1996-09-06 | 1999-01-27 | 梅列季斯·埃莱夫塞里奥斯 | Vaned rotary engine with regenerative preheating |
| JP2002013641A (en) * | 2000-06-30 | 2002-01-18 | Hitachi Metals Ltd | Sealing device and magnetic roller |
| JP2002313885A (en) * | 2001-04-13 | 2002-10-25 | Nsk Ltd | Positioning device |
| CN1393635A (en) * | 2001-06-22 | 2003-01-29 | 杜初昇 | Rotor-type three-stroke IC engine |
| JP4910167B2 (en) * | 2006-09-04 | 2012-04-04 | Ｓｍｃ株式会社 | Seal structure of fluid pressure equipment |
-
2013
- 2013-01-31 CN CN201310038700.5A patent/CN103968076B/en not_active Expired - Fee Related
-
2014
- 2014-01-29 TW TW103103341A patent/TWI532938B/en not_active IP Right Cessation
- 2014-01-30 WO PCT/CN2014/071841 patent/WO2014117746A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| TW201432183A (en) | 2014-08-16 |
| TWI532938B (en) | 2016-05-11 |
| WO2014117746A1 (en) | 2014-08-07 |
| CN103968076A (en) | 2014-08-06 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| 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: 20160907 Termination date: 20170131 |