CN107255079A - Screw compressor sealing structure - Google Patents
Screw compressor sealing structure Download PDFInfo
- Publication number
- CN107255079A CN107255079A CN201710718150.XA CN201710718150A CN107255079A CN 107255079 A CN107255079 A CN 107255079A CN 201710718150 A CN201710718150 A CN 201710718150A CN 107255079 A CN107255079 A CN 107255079A
- Authority
- CN
- China
- Prior art keywords
- casing
- present
- fixed scroll
- sealing gasket
- screw compressor
- 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.)
- Pending
Links
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
- F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than working fluid, i.e. the sealing arrangements are not between working chambers of the machine
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- 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
Abstract
The present invention provides a kind of screw compressor sealing structure, including casing, fixed scroll, balance weight, sealing gasket, base bearing, air inlet, exhaust outlet, bearing bore, low pressure chamber, high pressure chest, envelope are located at the end cap at casing one end open and the orbiter being arranged in casing, wear-resistant pad, cross slip-ring, support, axle and motor.The present invention will seal at the two of existing compressor and handled respectively, make single treatment into, and one sealing gasket of the present invention can be while sealing low pressure chamber and high pressure chest；The left end face of the fixed scroll of the present invention and the flange face of casing are in same plane, it is only necessary to a sealing gasket so that cost of the present invention is low, simple in construction, small volume；The sealing gasket of the present invention includes stainless steel belt and rubber, and stainless steel belt is provided with convex epirelief, good sealing effect.
Description
Technical field
The present invention relates to compressor seal structure, more particularly to screw compressor sealing structure.
Background technology
The problem of Vehicular electric semi-hermetic refrigerating compressor unit is related to gas tightness at two：One is the refrigeration in compressor
Agent needs completely cut off with extraneous air, the sealing in housing flange face junction, and this sealing generally uses O-ring or rubber seal
Pad sealing；Two be the sealing of compressor high-pressure section and low-pressure section, generally using O-ring sealing.
At present, existing technology is handled respectively sealing at above-mentioned two, and this processing respectively adds cost and structure
Complexity.
The content of the invention
Based on this, it is necessary to which for existing compressor cost, high, complicated etc. not enough there is provided a kind of cost is low, structure
Simple screw compressor sealing structure.
A kind of screw compressor sealing structure, including casing, fixed scroll, envelope be located at the end cap at casing one end open with
And it is arranged on orbiter, wear-resistant pad, cross slip-ring, support, axle and motor in casing.The orbiter, wear-resistant pad and
Support encloses to form bearing bore.The support and casing enclose to form low pressure chamber.
The fixed scroll is arranged in the casing, and the left end face of the fixed scroll and the flange of the casing
Face is in same plane.The fixed scroll encloses to form high pressure chest with the end cap.The axle is arranged on described by base bearing
In casing.The axle is provided with balance weight.The junction of the casing and fixed scroll and the end cap is provided with sealing gasket.
The sealing gasket includes stainless steel belt and is arranged on the rubber of two end faces of stainless steel belt.It is described close
Packing can completely cut off extraneous air, high pressure chest and low pressure chamber simultaneously.
In one of the embodiments, the screw compressor sealing structure also includes air inlet and exhaust outlet.The machine
Shell is provided with air inlet.The end cap is provided with exhaust outlet.The exhaust outlet is connected with the high pressure chest, the air inlet and institute
State low pressure chamber connection.
In one of the embodiments, the stainless steel belt is provided with convex epirelief.
Advantages of the present invention and its advantage：
（1）The present invention will be sealed at the two of existing compressor and handled respectively, make single treatment into；A sealing gasket of the invention
Can be while sealing low pressure chamber and high pressure chest.
（2）The left end face of the fixed scroll of the present invention and the flange face of casing are in same plane, it is only necessary to a sealing
Pad so that cost of the present invention is low, simple in construction, small volume.
（3）The sealing gasket of the present invention includes stainless steel belt and rubber, and stainless steel belt is provided with convex epirelief, sealing effectiveness
It is good, and sealing gasket can completely cut off extraneous air, high pressure chest and low pressure chamber simultaneously.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of sealing gasket in Fig. 1.
Fig. 3 is Fig. 2 A-A sectional views.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the preferred embodiment of the present invention.But, the present invention can be realized in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose that these embodiments are provided be make to the disclosure more it is thorough comprehensively.
It should be noted that when element is referred to as " setting " in another element, it can be directly in another element
Go up or there can also be element placed in the middle.When an element be considered as with another element " being connected ", it can be direct
Another element is connected to, or may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of body embodiment, it is not intended that in the limitation present invention.
Fig. 1 is referred to Fig. 3, a kind of screw compressor sealing structure, including casing 1, fixed scroll 11, balance weight 37,
Sealing gasket 7, base bearing 35, air inlet 9, exhaust outlet 91, bearing bore 51, low pressure chamber 53, high pressure chest 55, envelope are located at the one end of casing 1
End cap 13 at opening and orbiter 15, wear-resistant pad 17, cross slip-ring 19, support 3, the and of axle 31 being arranged in casing 1
Motor 33.
Wherein, orbiter 15, wear-resistant pad 17 and support 3 enclose to form bearing bore 51.Support 3 and casing 1 enclose to be formed
Low pressure chamber 53.
Specifically, fixed scroll 11 is arranged in casing 1, and the left end face and the flange face of casing 1 of fixed scroll 11
In same plane.Fixed scroll 11 encloses to form high pressure chest 55 with end cap 13.Axle 31 is arranged in casing 1 by base bearing 35.
Axle 31 is provided with balance weight 37.The junction of casing 1 and fixed scroll 11 and end cap 13 is provided with sealing gasket 7.Casing 1 is provided with
Air inlet 9.End cap 13 is provided with exhaust outlet 91.Exhaust outlet 91 is connected with high pressure chest 55, and air inlet 9 is connected with low pressure chamber 53.
Wherein, sealing gasket 7 includes stainless steel belt 71, convex epirelief 75 and is arranged on 71 two end faces of stainless steel belt
Rubber 73.Stainless steel belt 71 is provided with convex epirelief 75.Sealing gasket 7 can completely cut off extraneous air, high pressure chest 55 and low pressure chamber 53 simultaneously.
Advantages of the present invention and its advantage：
（1）The present invention will be sealed at the two of existing compressor and handled respectively, make single treatment into；A sealing gasket of the invention
Can be while sealing low pressure chamber 53 and high pressure chest 55.
（2）The left end face of the fixed scroll 11 of the present invention is with the flange face of casing 1 in same plane, it is only necessary to which one close
Packing 7 so that cost of the present invention is low, simple in construction, small volume.
（3）The sealing gasket 7 of the present invention includes stainless steel belt 71 and rubber 73, and stainless steel belt 71 is provided with convex epirelief 75,
Good sealing effect, and sealing gasket 7 can completely cut off extraneous air, high pressure chest 55 and low pressure chamber 53 simultaneously.
Embodiment described above only expresses one embodiment of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (3)
1. a kind of screw compressor sealing structure, including casing, fixed scroll, envelope be located at end cap at casing one end open and
It is arranged on orbiter, wear-resistant pad, cross slip-ring, support, axle and motor in casing, the orbiter, wear-resistant pad and machine
Seat encloses to form bearing bore, and the support and casing enclose to form low pressure chamber, it is characterised in that the fixed scroll is arranged on institute
State in casing, and the left end face of the fixed scroll and the casing flange face in same plane, the fixed scroll with
The end cap is enclosed to form high pressure chest, and the axle is arranged in the casing by base bearing, and the axle is provided with balance weight, institute
The junction for stating casing and fixed scroll and the end cap is provided with sealing gasket；
The sealing gasket includes stainless steel belt and is arranged on the rubber of two end faces of stainless steel belt, the sealing gasket
Extraneous air, high pressure chest and low pressure chamber can be completely cut off simultaneously.
2. screw compressor sealing structure according to claim 1, it is characterised in that the screw compressor sealing structure
Also include air inlet and exhaust outlet, the casing is provided with air inlet, and the end cap is provided with exhaust outlet, the exhaust outlet and institute
High pressure chest connection is stated, the air inlet is connected with the low pressure chamber.
3. screw compressor sealing structure according to claim 1, it is characterised in that the stainless steel belt is provided with convex
Trace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710718150.XA CN107255079A (en) | 2017-08-21 | 2017-08-21 | Screw compressor sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710718150.XA CN107255079A (en) | 2017-08-21 | 2017-08-21 | Screw compressor sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107255079A true CN107255079A (en) | 2017-10-17 |
Family
ID=60026993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710718150.XA Pending CN107255079A (en) | 2017-08-21 | 2017-08-21 | Screw compressor sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107255079A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591062A (en) * | 2018-01-19 | 2018-09-28 | 上海威乐汽车空调器有限公司 | The structure of the cooling of electric scroll compressor bearing and lubrication |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003056476A (en) * | 2001-08-10 | 2003-02-26 | Toyota Industries Corp | Compressor |
| CN2577053Y (en) * | 2002-09-27 | 2003-10-01 | 咸阳海龙复合材料有限责任公司 | Metal composite sealing plate |
| CN201866239U (en) * | 2010-11-26 | 2011-06-15 | 陈乙强 | Seal spacing piece |
| CN103671919A (en) * | 2013-11-21 | 2014-03-26 | 南通高盛机械制造有限公司 | Sealing gasket |
| WO2017090702A1 (en) * | 2015-11-27 | 2017-06-01 | Nok株式会社 | Metal gasket |
-
2017
- 2017-08-21 CN CN201710718150.XA patent/CN107255079A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003056476A (en) * | 2001-08-10 | 2003-02-26 | Toyota Industries Corp | Compressor |
| US20030068246A1 (en) * | 2001-08-10 | 2003-04-10 | Kazuya Kimura | Compressor |
| CN2577053Y (en) * | 2002-09-27 | 2003-10-01 | 咸阳海龙复合材料有限责任公司 | Metal composite sealing plate |
| CN201866239U (en) * | 2010-11-26 | 2011-06-15 | 陈乙强 | Seal spacing piece |
| CN103671919A (en) * | 2013-11-21 | 2014-03-26 | 南通高盛机械制造有限公司 | Sealing gasket |
| WO2017090702A1 (en) * | 2015-11-27 | 2017-06-01 | Nok株式会社 | Metal gasket |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591062A (en) * | 2018-01-19 | 2018-09-28 | 上海威乐汽车空调器有限公司 | The structure of the cooling of electric scroll compressor bearing and lubrication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171017 |