CN108087281A - The labyrinth sealing slide plate and encapsulating method of a kind of sliding-vane air compressor - Google Patents
The labyrinth sealing slide plate and encapsulating method of a kind of sliding-vane air compressor Download PDFInfo
- Publication number
- CN108087281A CN108087281A CN201711276272.4A CN201711276272A CN108087281A CN 108087281 A CN108087281 A CN 108087281A CN 201711276272 A CN201711276272 A CN 201711276272A CN 108087281 A CN108087281 A CN 108087281A
- Authority
- CN
- China
- Prior art keywords
- slide plate
- notch
- sliding
- air compressor
- wall
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C18/3441—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
Abstract
The labyrinth sealing slide plate and encapsulating method of a kind of sliding-vane air compressor, the outer surface of slide plate can be in contact with body inner wall, by on the outer surface of slide plate, it is opened to concave notch on the inside of slide plate, when making slide plate with body inner wall relative motion generation friction, it can allow on slide plate at the outer surface for having notch and generate deformation, so as to increase the tightening degree between the outer surface of slide plate and body inner wall, achieve the effect that enhance the sealing performance between slide plate and body inner wall.Partition section between notch is set to not collided when ensureing that the rotation of labyrinth seal slide plate slips over inlet and outlet mouth with inlet and outlet mouth, and partition section can effectively improve slide plate service life and anti-slip limiting plate reduces sealing performance due to breakage.
Description
Technical field
The present invention relates to a kind of improvement of air compressor, and in particular to a kind of seal aspect of sliding-vane air compressor
Improvement.
Background technology
Home and abroad is simple using the contact surface shape that the slide plate in substantial amounts of sliding-vane air compressor uses at present
Arc surface.In the case of slide plate machine rotor axis of rotation and body inner cavity bias, since slide plate and body lumen contact point are bent
Rate is inconsistent, and slide plate cannot be accomplished at a fully engaged with body inner cavity.Since slide plate circular arc top surface and body inner cavity surface cannot be complete
Engagement, can cause slide plate to be slidingly sealed with body inner cavity ill-conditioned, so as to generate gas from high pressure chest to low pressure endoluminal leak.
Internal leakage can cause the reduction of sliding-vane air compressor volumetric efficiency, temperature rise, the decline of volumetric ratio energy index, sliding-vane air pressure
Contracting machine does not allow the high deleterious situation that is easy to do than pressure.This problem can not solve in previous sliding-vane air compressor.
Find that following patent and the present invention have similarity by country's retrieval：
Application No. CN201620709954.4, the reality of entitled " a kind of sliding-vane air compressor stator and its compressor "
A kind of sliding-vane air compressor stator and its compressor are disclosed with new, wherein, stator includes：Stator body (21)；
The stator body (21) is whole cylinder, and the eccentric orfice (211) at perforation both ends is provided in the stator body (21)；
It is arranged at intervals on the side wall of the eccentric orfice (211) multiple with the external gas outlet (212) connected；Each gas outlet
(212) it is distributed respectively along the axial direction of the eccentric orfice (211), and each gas outlet (212) is all along the eccentric orfice (211)
To starting point (2121) and terminating point (2122) it is homogeneous one alignment；Said stator is provided in the compressor, the stator is just
There is the advantages of processing is simple, compressor has many advantages, such as simple in structure, easy to make.
Although above-mentioned patent also relates to a kind of sliding-vane air compressor, its slide plate or body（Stator body）It is upper not have
Have and be improved in structure, still without solution since slide plate and body lumen contact point curvature are inconsistent, in slide plate and body
Chamber cannot be accomplished at a fully engaged, can cause to be sealed the technical issues of effect is poor, and gas is from high pressure chest to low pressure endoluminal leak.
The content of the invention
The technical problem to be solved by the present invention is to：How to increase the effect that is sealed of slide plate and body inner cavity, reduce gas by
High pressure chest to low pressure endoluminal leak, caused by air compressor volumetric efficiency reduces, temperature rise, volumetric ratio energy index decline,
Sliding-vane air compressor is not allowed to be easy to do the generation of high deleterious situation than pressure.
Pin is with the above problem, technical solution proposed by the present invention：A kind of labyrinth sealing of sliding-vane air compressor
Slide plate on the outer surface for the slide plate being in contact in slide plate with body inner wall, is provided with to concave notch on the inside of slide plate, makes slide plate
When generating friction with the relative motion of body inner wall, enhance the sealing performance between slide plate and body inner wall.
Further, the exhaust outlet and air inlet of perforation body are provided on body, in the outer surface and exhaust outlet of slide plate
Separate with being equipped at the corresponding position of air inlet, the partition makes not open up the surface of notch on the outer surface of slide plate
The notch for obtaining the outer surface of slide plate is alternately distributed with partition.
Further, notch is designed on the end face at the outer surface of slide plate and slide plate both ends, the outer surface of slide plate is
Arc surface, the section of notch is V-type or U-shaped groove.
Further, the both ends of slide plate are also provided with to concave notch on the inside of slide plate.
Further, notch is one or two or more the line segment shape groove being mutually parallel.
Further, notch is the wave shape groove of one or more.
Further, notch is interlaced groove.
A kind of encapsulating method of the sealing slide plate of sliding-vane air compressor, when slide plate is rotated with rotor, slide plate
Outer surface can be in contact with body inner wall, by the outer surface of slide plate, being opened to concave notch on the inside of slide plate, make cunning
When piece and the relative motion of body inner wall generate friction, it can allow on slide plate at the outer surface for having notch and generate deformation, so as to increase
Tightening degree between the outer surface of slide plate and body inner wall, reaching enhances the sealing performance between slide plate and body inner wall
Effect.
Further, the exhaust outlet and air inlet of perforation body are provided on body, in the outer surface and exhaust outlet of slide plate
Separate with being equipped at the corresponding position of air inlet, the partition is not open up the surface of notch on the outer surface of slide plate；It is logical
It crosses on the outer surface of slide plate and sets partition to prevent notch from generating scraping with exhaust outlet and air inlet, so as to avoid the outer of slide plate
Side surface reduces the sealing performance between slide plate and body inner wall due to breakage.
Further, notch is designed on the end face at the outer surface of slide plate and slide plate both ends, by increasing the outer of slide plate
The item number of the notch of side surface and/or the shape for changing notch, to enhance the sealing performance of air compressor.
It is an advantage of the invention that：
1. being opened to concave notch on the inside of slide plate in the outer surface of slide plate, slide plate is made to generate friction with the relative motion of body inner wall
When, it can allow on slide plate at the outer surface for having notch and generate deformation, so as to increase between the outer surface of slide plate and body inner wall
Tightening degree, can achieve the effect that enhance the sealing performance between slide plate and body inner wall.
2. manufacture craft is simple, electric spark only need to be used on former slide-blade air compressor slide plate part periphery and both ends of the surface
Galvanic corrosion technique processes such as V, U and square type notch.
When 3. the partition section between notch is to ensure that the rotation of labyrinth seal slide plate slips over inlet and outlet mouth not with inlet and outlet
Mouth is collided and set, and partition section can effectively improve slide plate service life and anti-slip limiting plate reduces sealing performance due to breakage.
Description of the drawings
Fig. 1 is structure diagram when embodiment one is mounted in air compressor；
Fig. 2 is the dimensional structure diagram of embodiment one；
Fig. 3 is the close-up schematic view in Fig. 2；
Fig. 4 is the floor map of the outer surface of slide plate in embodiment two；
Fig. 5 is the floor map of the outer surface of slide plate in embodiment three；
In figure：1 body, 2 exhaust outlets, 3 slide plates, 31 notches, 32 partitions, 4 rotors, 5 air inlets, 6 shafts.
Specific embodiment
The description of a step is done to the present invention with reference to embodiment and attached drawing：
Embodiment one
As shown in Figure 1, the perforation exhaust outlet 2 of body 1 and air inlet 5 are provided on the body 1 of air compressor, shaft 6 and rotor 4
It is fixed together.In slide plate 3 in rotor 4, and rotor 4 is eccentrically set in body 1.The outer surface of slide plate 3
It is in contact with the inner wall of body 1, and the both ends of body 1 can also be equipped with end cap, the both ends of slide plate 3 can be in contact with end cap.Rotor 4
Gap between body 1 is sealed by rotor 4, slide plate 3, body 1 and end cap, but since rotor 4 and slide plate 3 are all inclined
The heart is arranged in body 1, and slide plate 3 and 1 lumen contact point curvature of body are inconsistent, and slide plate 3 cannot be accomplished completely with 1 inner cavity of body
Engagement is also easy to produce gas from high pressure chest to low pressure endoluminal leak.
As shown in Figures 2 and 3, the outer surface of slide plate 3 is preferably arc surface, and the end face at 3 both ends of slide plate is generally plane,
In order to enhance the sealing performance between slide plate 3 and 4 inner wall of rotor and slide plate 3 and end cap, slide plate 3 outer surface and
Notch 31 is designed on the end face of slide plate 3, notch 31 is to the 3 concave groove in inside of slide plate.Notch 31 can be by electric spark galvanic corrosion
Be process, can also by other frock millings, cut, cut, the section of notch 31 is V-type or U-shaped groove.
Due to being provided with the perforation exhaust outlet 2 of body 1 and air inlet 5 on body 1, if on the outer surface of slide plate 3
Notch 31 be continuous, then, notch 31 on the outer surface of slide plate 3 can and exhaust outlet 2 and air inlet 5 generate scraping,
So that the outer surface of slide plate 3 reduces the sealing performance between 1 inner wall of slide plate 3 and body due to breakage.In order to avoid above-mentioned
Situation, is equipped with partition 32 at the outer surface of slide plate 3 and 5 corresponding position of exhaust outlet 2 and air inlet, and the partition 32 is
The surface of notch 31 is not opened up on the outer surface of slide plate 3.That is, partition 32 is not carry out the slide plate 3 of the processing of notch 31
Outer surface.Due to partition, 32 are smooth arc surfaces, will not be scraped with exhaust outlet 2 and air inlet 5, institute
With notch 31 and the partition 32 of the outer surface of slide plate 3 are alternately distributed, and can effectively improve 3 service life of slide plate and anti-on-slip
Piece 3 reduces sealing performance due to breakage.
In the present embodiment, notch 31 is a plurality of line segment shape groove being mutually parallel, and the item number for increasing notch 31 is to increase
Sealing performance between 1 inner wall of strong slide plate 3 and body.But the item number of notch 31 is more, the frictional force between slide plate 3 and body 1
Also can increase, the energy consumption that rotor 4 rotates can also increase, and therefore, the item number of notch 31 has a preferred scope, the item number of notch 31
Preferably 3-5 items.In addition, the shape of notch 31 can be straight line segment or, it is a plurality of evenly spaced wavy or
Pulse type groove.
Embodiment two
As shown in figure 4, the present embodiment and embodiment one the difference is that, set between the notch 31 of two adjacent transverse directions
The notch 31 for the longitudinal direction being connected with horizontal notch 31, and horizontal notch 31 is vertical with longitudinal notch 31, it is horizontal
Notch 31 and the crisscross mazy notch 31 of formation of notch 31 of longitudinal direction.
Embodiment three
As shown in figure 5, the present embodiment and embodiment one the difference is that, set between the notch 31 of two adjacent transverse directions
The notch 31 for the longitudinal direction being connected with horizontal notch 31, and horizontal notch 31 and the notch 31 of longitudinal direction are oblique staggeredly.
It will be apparent that without departing from the principles of the present invention, several improvement or modification made are regarded as this
The protection domain of invention.
Claims (10)
1. the labyrinth sealing slide plate of a kind of sliding-vane air compressor, which is characterized in that in slide plate（3）With body（1）Inner wall
The slide plate being in contact（3）Outer surface on, be provided with to slide plate（3）The concave notch in inside（31）, make slide plate（3）With body
（1）When inner wall relative motion generates friction, enhance slide plate（3）With body（1）Sealing performance between inner wall.
A kind of 2. labyrinth sealing slide plate of sliding-vane air compressor according to claim 1, which is characterized in that body
（1）On be provided with perforation body（1）Exhaust outlet（2）And air inlet（5）, in slide plate（3）Outer surface and exhaust outlet（2）With into
Gas port（5）Partition is equipped at corresponding position（32）, the partition（32）For slide plate（3）Outer surface on do not open up notch
（31）Surface so that slide plate（3）Outer surface notch（31）With partition（32）It is alternately distributed.
A kind of 3. labyrinth sealing slide plate of sliding-vane air compressor according to claim 1, which is characterized in that slide plate
（3）Outer surface and slide plate（3）Notch is designed on the end face at both ends（31）, slide plate（3）Outer surface for arc surface, slot
Mouthful（31）Section be V-type or U-shaped groove.
A kind of 4. labyrinth sealing slide plate of sliding-vane air compressor according to claim 1, which is characterized in that slide plate
（3）Both ends be also provided with to slide plate（3）The concave notch in inside（31）.
5. a kind of labyrinth sealing slide plate of sliding-vane air compressor as claimed in any of claims 1 to 4,
It is characterized in that, notch（31）The line segment shape groove being mutually parallel for one or two or more.
6. a kind of labyrinth sealing slide plate of sliding-vane air compressor as claimed in any of claims 1 to 4,
It is characterized in that, notch（31）For the wave shape groove of one or more.
7. a kind of labyrinth sealing slide plate of sliding-vane air compressor as claimed in any of claims 1 to 4,
It is characterized in that, notch（31）For interlaced groove.
8. a kind of encapsulating method of the sealing slide plate of sliding-vane air compressor, slide plate（3）With rotor（4）It is sliding when rotating together
Piece（3）Outer surface meeting and body（1）Inner wall is in contact, which is characterized in that by slide plate（3）Outer surface on, open
To slide plate（3）The concave notch in inside（31）, make slide plate（3）With body（1）When inner wall relative motion generates friction, slide plate can be allowed
（3）On have notch（31）Outer surface at generate deformation, so as to increase slide plate（3）Outer surface and body（1）Inner wall it
Between tightening degree, reach enhancing slide plate（3）With body（1）The effect of sealing performance between inner wall.
9. a kind of encapsulating method of the sealing slide plate of sliding-vane air compressor according to claim 8, which is characterized in that
Body（1）On be provided with perforation body（1）Exhaust outlet（2）And air inlet（5）, in slide plate（3）Outer surface and exhaust outlet（2）
And air inlet（5）Partition is equipped at corresponding position（32）, the partition（32）For slide plate（3）Outer surface on do not open up
Notch（31）Surface；By in slide plate（3）Outer surface on set partition（32）To prevent notch（31）With exhaust outlet（2）With
Air inlet（5）Scraping is generated, so as to avoid slide plate（3）Outer surface because breakage due to reduce slide plate（3）With body（1）Inner wall it
Between sealing performance.
10. existed according to claim 8 or a kind of encapsulating method of the sealing slide plate of sliding-vane air compressor, feature
In slide plate（3）Outer surface and slide plate（3）Notch is designed on the end face at both ends（31）, by increasing slide plate（3）Outside
The notch on surface（31）Item number and/or change notch（31）Shape, to enhance the sealing performance of air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276272.4A CN108087281B (en) | 2017-12-06 | 2017-12-06 | Labyrinth sealing slide sheet of slide sheet type air compressor and sealing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276272.4A CN108087281B (en) | 2017-12-06 | 2017-12-06 | Labyrinth sealing slide sheet of slide sheet type air compressor and sealing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108087281A true CN108087281A (en) | 2018-05-29 |
| CN108087281B CN108087281B (en) | 2019-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711276272.4A Active CN108087281B (en) | 2017-12-06 | 2017-12-06 | Labyrinth sealing slide sheet of slide sheet type air compressor and sealing method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108087281B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0821388A (en) * | 1994-07-06 | 1996-01-23 | Shuichi Kitamura | Oilless type rotary pump |
| CN1191277A (en) * | 1997-02-12 | 1998-08-26 | Lg电子株式会社 | Rotary compressor |
| CN201344128Y (en) * | 2008-12-30 | 2009-11-11 | 上海日立电器有限公司 | Vane of rolling rotor compressor |
| CN202545249U (en) * | 2011-07-30 | 2012-11-21 | 浙江鸿友压缩机制造有限公司 | Vaned translational rotor compressor |
| CN204805096U (en) * | 2015-07-13 | 2015-11-25 | 杜洪涛 | Special vacuum pump of atmospheric pressure engine |
| CN205533215U (en) * | 2016-02-01 | 2016-08-31 | 曹明勇 | Sliding blade type air compressor decides rotor assembly |
| JP2017524099A (en) * | 2014-08-22 | 2017-08-24 | ヴァブコ・ヨーロッパ・ベスローテン・フェンノートシャップ・メット・ベペルクテ・アーンスプラーケレクヘイト | Vacuum pump with eccentric drive vane (eccentric pump design) |
-
2017
- 2017-12-06 CN CN201711276272.4A patent/CN108087281B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0821388A (en) * | 1994-07-06 | 1996-01-23 | Shuichi Kitamura | Oilless type rotary pump |
| CN1191277A (en) * | 1997-02-12 | 1998-08-26 | Lg电子株式会社 | Rotary compressor |
| CN201344128Y (en) * | 2008-12-30 | 2009-11-11 | 上海日立电器有限公司 | Vane of rolling rotor compressor |
| CN202545249U (en) * | 2011-07-30 | 2012-11-21 | 浙江鸿友压缩机制造有限公司 | Vaned translational rotor compressor |
| JP2017524099A (en) * | 2014-08-22 | 2017-08-24 | ヴァブコ・ヨーロッパ・ベスローテン・フェンノートシャップ・メット・ベペルクテ・アーンスプラーケレクヘイト | Vacuum pump with eccentric drive vane (eccentric pump design) |
| CN204805096U (en) * | 2015-07-13 | 2015-11-25 | 杜洪涛 | Special vacuum pump of atmospheric pressure engine |
| CN205533215U (en) * | 2016-02-01 | 2016-08-31 | 曹明勇 | Sliding blade type air compressor decides rotor assembly |
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| Publication number | Publication date |
|---|---|
| CN108087281B (en) | 2019-12-10 |
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Effective date of registration: 20190514 Address after: 412001 A5-1 District, Tianxin hi tech park, Shifeng District, Zhuzhou, Hunan Applicant after: ZHUZHOU YIXING TECHNOLOGY CO., LTD. Address before: 412001 A5-1 District, Tianxin hi tech park, Shifeng District, Zhuzhou, Hunan Applicant before: Zhuzhou Star Air Intelligent Technology Co.,. |
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