CN110439848A - A kind of supercharger air compressor sealing structure - Google Patents
A kind of supercharger air compressor sealing structure Download PDFInfo
- Publication number
- CN110439848A CN110439848A CN201910725404.XA CN201910725404A CN110439848A CN 110439848 A CN110439848 A CN 110439848A CN 201910725404 A CN201910725404 A CN 201910725404A CN 110439848 A CN110439848 A CN 110439848A
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- CN
- China
- Prior art keywords
- impeller
- bearing body
- stomidium
- air compressor
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/083—Sealings especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
The present invention provides a kind of supercharger air compressor sealing structures, including compressor volute, impeller, carry on the back disk, axle envelope set, bearing body and axis, compressor volute, impeller, axle envelope set and bearing body are socketed in outside axis, compressor volute is fixed by nut in one end of axis, impeller is located in compressor volute, the wheel back of impeller is connected to axle envelope set, axle envelope set is mounted in back disk, the side of back disk is fixedly attached to compressor volute, the other side is connected to bearing body, it carries on the back disk and is equipped with impeller stomidium close to the side of compressor volute, bearing body stomidium is equipped with close to the side of bearing body, normal-closed electromagnetic valve is installed between impeller stomidium and bearing body stomidium, normal-closed electromagnetic valve is connect with external controller signals, pass through the opening and closing of normal-closed electromagnetic valve, the connection or closing between impeller stomidium and bearing body stomidium may be implemented.Supercharger air compressor sealing structure of the present invention has according to engine operation condition, balances the function of impeller wheel back and bearing body cavity pressures.
Description
Technical field
The invention belongs to field of electromechanical technology, more particularly, to a kind of supercharger air compressor sealing structure.
Background technique
The supercharger air compressor of certain engines is easy to appear oil leakage phenomenon.The reason is that because under certain operating conditions, pressure
The pressure and the endoceliac pressure imbalance of bearing of compressor wheel wheel behind, cause the lubricating oil at sealing ring under differential pressure action
From bearing body internal leakage to from impeller wheel back.
Summary of the invention
In view of this, the present invention is directed to propose a kind of supercharger air compressor sealing structure, to solve available engine at certain
Oil leak under a little operating conditions, caused by the pressure and the endoceliac pressure imbalance of bearing of compressor impeller wheel behind at sealing ring
Problem.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of supercharger air compressor sealing structure, including compressor volute, impeller, back disk, axle envelope set, bearing body and axis,
Compressor volute, impeller, axle envelope set and bearing body are socketed in outside axis, and compressor volute is consolidated by nut in one end of axis
Fixed, impeller is located in compressor volute, and the wheel back of impeller is connected to axle envelope set, and axle envelope set is mounted in back disk, carries on the back the side of disk
It is fixedly attached to compressor volute, the other side is connected to bearing body, and back disk is equipped with impeller stomidium close to the side of compressor volute,
It is equipped with bearing body stomidium close to the side of bearing body, normal-closed electromagnetic valve is installed between impeller stomidium and bearing body stomidium, it is normally closed
Type solenoid valve is connect with external controller signals, and by the opening and closing of normal-closed electromagnetic valve, impeller stomidium and bearing may be implemented
Connection or closing between body end hole.
Further, control line is installed, one end of control line is connected to normal-closed electromagnetic valve, other end connection inside back disk
To external controller.
Further, the mounting hole for installation axle big envelope is equipped with inside back disk.
Further, it carries on the back and sealing ring is installed between disk and axle envelope set.
Further, it carries on the back between disk and compressor volute and sealing ring is installed.
Further, the material of sealing ring and sealing ring is NBR nitrile rubber.
Compared with the existing technology, supercharger air compressor sealing structure of the present invention has the advantage that
(1) supercharger air compressor sealing structure of the present invention has according to engine operation condition, balances impeller wheel
The function of back and bearing body cavity pressures opens normal-closed electromagnetic valve, makes compressor impeller if engine is when speed operation is run
The pressure and the endoceliac pressure balance of bearing for taking turns behind, reduce the pressure difference at sealing ring both ends, avoid lubricating oil from bearing body cavity
Internal leakage is at impeller wheel back.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of supercharger air compressor sealing structure cross-sectional view described in the embodiment of the present invention.
Description of symbols:
1- nut, 2- compressor volute, 3- impeller, 4- sealing ring, 5- impeller stomidium, 6- sealing ring, 7- back disk, 8- control
Line, 9- normal-closed electromagnetic valve, 10- bearing body stomidium, 11- axle envelope set, 12- bearing body, 13- axis.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of supercharger air compressor sealing structure, as shown in Figure 1, including compressor volute 2, impeller 3, back disk 7, axle envelope set
11, bearing body 12 and axis 13, compressor volute 2, impeller 3, axle envelope set 11 and bearing body 12 are socketed in outside axis 13, axis 13
One end is fixed by compressor volute 2 by nut 1, and impeller 3 is located in compressor volute 2, and the wheel back of impeller 3 is connected to axle envelope set
11, axle envelope set 11 is mounted in back disk 7, and the side of back disk 7 is fixedly attached to compressor volute 2, and the other side is connected to bearing body
12, back disk 7 is equipped with impeller stomidium 5 close to the side of compressor volute 2, is equipped with bearing body stomidium close to the side of bearing body 12
10, normal-closed electromagnetic valve 9 is installed, and be connected between impeller stomidium 5 and bearing body stomidium 10 by normal-closed electromagnetic valve 9, it is normally closed
Type solenoid valve 9 is connect with external controller signals, and by the opening and closing of normal-closed electromagnetic valve 9, impeller stomidium 5 and axis may be implemented
Hold the connection or closing between body end hole 10.
It carries on the back and control line 8 is installed inside disk 7, one end of control line 8 is connected to normal-closed electromagnetic valve 9, and the other end is connected to outer
The controller in portion.
Carry on the back the mounting hole being equipped with inside disk 7 for installation axle big envelope 11.
It carries on the back and sealing ring 4 is installed between disk 7 and axle envelope set 11, the airtightness between back disk 7 and axle envelope set 11 is effectively ensured, prevents
Leak-stopping oil.
It carries on the back and sealing ring 6 is installed between disk 7 and compressor volute 2, be effectively ensured close between back disk 7 and compressor volute 2
Closing property prevents oil leak.
The material of sealing ring 4 and sealing ring 6 is NBR nitrile rubber, versatile, at low cost.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of supercharger air compressor sealing structure, it is characterised in that: including compressor volute, impeller, back disk, axle envelope set, axis
Body and axis are held, compressor volute, impeller, axle envelope set and bearing body are socketed in outside axis, and one end of axis will calm the anger by nut
Machine spiral case is fixed, and impeller is located in compressor volute, and the wheel back of impeller is connected to axle envelope set, and axle envelope set is mounted in back disk, back
The side of disk is fixedly attached to compressor volute, and the other side is connected to bearing body, and back disk is equipped with close to the side of compressor volute
Impeller stomidium, is equipped with bearing body stomidium close to the side of bearing body, and closed type electricity is installed between impeller stomidium and bearing body stomidium
Magnet valve, normal-closed electromagnetic valve are connect with external controller signals, and by the opening and closing of normal-closed electromagnetic valve, impeller end may be implemented
Connection or closing between hole and bearing body stomidium.
2. a kind of supercharger air compressor sealing structure according to claim 1, it is characterised in that: installation control inside back disk
Line, one end of control line are connected to normal-closed electromagnetic valve, and the other end is connected to external controller.
3. a kind of supercharger air compressor sealing structure according to claim 1, it is characterised in that: be equipped with and be used for inside back disk
The mounting hole of installation axle big envelope.
4. a kind of supercharger air compressor sealing structure according to claim 1, it is characterised in that: between back disk and axle envelope set
Sealing ring is installed.
5. a kind of supercharger air compressor sealing structure according to claim 1, it is characterised in that: back disk and compressor volute
Between sealing ring is installed.
6. a kind of supercharger air compressor sealing structure according to claim 1, it is characterised in that: sealing ring and sealing ring
Material is NBR nitrile rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910725404.XA CN110439848A (en) | 2019-08-07 | 2019-08-07 | A kind of supercharger air compressor sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910725404.XA CN110439848A (en) | 2019-08-07 | 2019-08-07 | A kind of supercharger air compressor sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110439848A true CN110439848A (en) | 2019-11-12 |
Family
ID=68433679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910725404.XA Pending CN110439848A (en) | 2019-08-07 | 2019-08-07 | A kind of supercharger air compressor sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110439848A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963470A (en) * | 2020-08-07 | 2020-11-20 | 中国北方发动机研究所(天津) | Turbocharger compressor clearance control device |
| CN114320998A (en) * | 2021-11-22 | 2022-04-12 | 鑫磊压缩机股份有限公司 | Diffusion labyrinth seal structure of direct-connected air compressor |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190904550A (en) * | 1909-02-24 | 1909-11-11 | Philip Arthur Newton | Improvements in Balancing Devices for Centrifugal Pumps and the like. |
| GB492477A (en) * | 1937-07-09 | 1938-09-21 | Tangyes Ltd | Improvements relating to centrifugal pumps |
| SU1052729A1 (en) * | 1978-01-06 | 1983-11-07 | Предприятие П/Я А-3556 | Impeller machine |
| CN2214546Y (en) * | 1994-11-19 | 1995-12-06 | 西安交通大学 | Whirl commpression engine |
| CN1400399A (en) * | 2002-08-01 | 2003-03-05 | 孙敏超 | Small-type radial-flow or mixed-flow turbo supercharger |
| CN201006491Y (en) * | 2006-12-05 | 2008-01-16 | 上海安亭科学仪器厂 | Structure of over-speed refrigerated centrifuge |
| CN101975185A (en) * | 2010-10-21 | 2011-02-16 | 湖南天雁机械有限责任公司 | Compressor seal structure of small turbocharger |
| CN103711529A (en) * | 2013-12-23 | 2014-04-09 | 中国北车集团大连机车研究所有限公司 | Air-entraining pressure regulating device of booster |
| CN107956750A (en) * | 2016-10-17 | 2018-04-24 | 潜江传家电子商务有限公司 | A kind of low noise control method |
| CN108661949A (en) * | 2018-08-16 | 2018-10-16 | 湖南天雁机械有限责任公司 | A kind of turbocharger with abradable coating |
| CN109236745A (en) * | 2018-11-16 | 2019-01-18 | 四川聚亿重工有限公司 | The stator structure of turbocompressor |
-
2019
- 2019-08-07 CN CN201910725404.XA patent/CN110439848A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190904550A (en) * | 1909-02-24 | 1909-11-11 | Philip Arthur Newton | Improvements in Balancing Devices for Centrifugal Pumps and the like. |
| GB492477A (en) * | 1937-07-09 | 1938-09-21 | Tangyes Ltd | Improvements relating to centrifugal pumps |
| SU1052729A1 (en) * | 1978-01-06 | 1983-11-07 | Предприятие П/Я А-3556 | Impeller machine |
| CN2214546Y (en) * | 1994-11-19 | 1995-12-06 | 西安交通大学 | Whirl commpression engine |
| CN1400399A (en) * | 2002-08-01 | 2003-03-05 | 孙敏超 | Small-type radial-flow or mixed-flow turbo supercharger |
| CN201006491Y (en) * | 2006-12-05 | 2008-01-16 | 上海安亭科学仪器厂 | Structure of over-speed refrigerated centrifuge |
| CN101975185A (en) * | 2010-10-21 | 2011-02-16 | 湖南天雁机械有限责任公司 | Compressor seal structure of small turbocharger |
| CN103711529A (en) * | 2013-12-23 | 2014-04-09 | 中国北车集团大连机车研究所有限公司 | Air-entraining pressure regulating device of booster |
| CN107956750A (en) * | 2016-10-17 | 2018-04-24 | 潜江传家电子商务有限公司 | A kind of low noise control method |
| CN108661949A (en) * | 2018-08-16 | 2018-10-16 | 湖南天雁机械有限责任公司 | A kind of turbocharger with abradable coating |
| CN109236745A (en) * | 2018-11-16 | 2019-01-18 | 四川聚亿重工有限公司 | The stator structure of turbocompressor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963470A (en) * | 2020-08-07 | 2020-11-20 | 中国北方发动机研究所(天津) | Turbocharger compressor clearance control device |
| CN114320998A (en) * | 2021-11-22 | 2022-04-12 | 鑫磊压缩机股份有限公司 | Diffusion labyrinth seal structure of direct-connected air compressor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191112 |
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| RJ01 | Rejection of invention patent application after publication |