CN104005950A - Multi-section spiral rotor mechanism of fluid machinery - Google Patents
Multi-section spiral rotor mechanism of fluid machinery Download PDFInfo
- Publication number
- CN104005950A CN104005950A CN201310060517.5A CN201310060517A CN104005950A CN 104005950 A CN104005950 A CN 104005950A CN 201310060517 A CN201310060517 A CN 201310060517A CN 104005950 A CN104005950 A CN 104005950A
- Authority
- CN
- China
- Prior art keywords
- spiral
- rotor
- fluid machinery
- section
- rotor mechanism
- 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.)
- Granted
Links
Landscapes
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a multi-section spiral rotor mechanism of a fluid machinery. The rotor mechanism comprises a male rotor, at least one sealing partition structure and at least two female rotors. The male rotor has a spiral area. All the sealing partition structure is sleeved and fixed to the male rotor and rotates along with the male rotor. The sealing partition structure partitions the spiral area into two spiral sections. Each of the female rotors is engaged with each spiral section respectively. Therefore, the simple combination of the male and female spiral rotors can generate a multi-section compression or expansion stroke so as to shorten an intermediate flow channel and reduce pressure loss. And then, the operation efficiency can be improved, and the multi-section fluid machinery with simple parts and a short and small volume can be composed.
Description
Technical field
The present invention relates to a kind of spiral rotor mechanism, relate in particular to a kind of multi-section type spiral rotor mechanism of fluid machinery.
Background technique
Common fluid machinery, according to function distinguishing, can be divided into the classifications such as compressor, fan, blower, vacuum pump, liquor pump, decompressor; And distinguish according to working principle, can be divided into the patterns such as centrifugal, axial flow, spiral, reciprocating and scroll-type.
Taking screw compressor as example, the spiral rotor mechanism that it mainly comprises a pressing chamber and is arranged on pressing chamber, this spiral rotor mechanism comprises a male rotor and a mother rotor, utilize each heliconid of male rotor and mother rotor for example to intermesh rotation, with compressed media (air), and produce great delivery pressure.If desired when higher pressure, be generally that many above-mentioned compressor are connected in series, the pressurizing medium of First compressor output sent in the second compressor and pressurizeed, to reach the higher pressure of output.
But though above-mentioned method can be pressurized to medium required pressure, multiple compressors part repeatability is too many, cause cost increase and take up room, and drive multi-compressor need consume the energy, from the viewpoint of economy and environmental protection, all nonideal method.
Summary of the invention
An object of the present invention, be to provide a kind of multi-section type spiral rotor mechanism of fluid machinery, it is to utilize succinct male and female helical rotor combination, produce the compression of multistage ground or expansion stroke, to shorten intermediate flow channel, reduce crushing, and then improve operation efficiency, and the multi-section type fluid machinery that component part is simple, volume is short and small.
In order to reach above-mentioned object, the invention provides a kind of multi-section type spiral rotor mechanism of fluid machinery, comprising: a male rotor, has a spiral region; At least one hermetic separation structure, cover is fixed in this male rotor and follows this male rotor rotation, and this spiral region is separated into two spiral sections by sealing separation structure; And at least two mother rotors, respectively correspondence respectively this spiral section engagement arrange.
The present invention also has following effect:
The first, rotor mechanism of the present invention is with single male rotor multiple mother rotors of arranging in pairs or groups, and utilizes each spiral section and the each mother rotor that hermetic separation structure and housing arrange engagement to separate into multistage pressing chamber or expansion chamber.Therefore rotor mechanism of the present invention arranges with simple part and simplification, produce multistage and compress or expansion stroke, and be assembled into the multi-section type fluid machinery that part is simple, volume is short and small.
The second, multistage pressing chamber or expansion chamber arrange adjacently, can shorten intermediate flow channel and reduce crushing, so that low consumed power transmission path to be provided, and then improve operation efficiency, make fluid machinery have more preferably compression or expansion equilibrant.
Three, male rotor can comprise hollow shaft and sheathed and connect the heliconid of hollow shaft, heliconid surface forms each spiral section, make single hollow shaft drive male rotor, be that the each spiral section of simultaneous linkage and each mother rotor are intermeshing, reach effect of segmentation pressurization or inflating medium, make rotor mechanism of the present invention there is energy saving and the environmental protection of green energy.
Four, single male rotor is arranged in pairs or groups under multiple mother rotors, makes the number of spare parts of rotor mechanism less, except can reducing costs, and the replacing of part while being also conducive to maintain.
Five, the external diameter of each spiral section equates, each mother rotor has the spire of corresponding spiral section engagement, and the external diameter of each spire also equates, makes rotor mechanism of the present invention have the convenient feature of manufacturing and reducing stock.
Six, the Length Ratio of the axial length of the axial length of a spire wherein and adjacent spire, between 1.6 to 2.5, makes fluid machinery reach two compression efficiencies best.
Seven, male rotor and two adjacent mother rotors form respectively the first line of centers and the second line of centers, between the first line of centers and the second line of centers, be formed with angle, angle, between 90 degree to 180 degree, makes between multi-section type pressing chamber or expansion chamber, to have best runner and spatial structure.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Brief description of the drawings
The three-dimensional combination figure of Fig. 1 rotor mechanism of the present invention;
The combination schematic diagram of Fig. 2 rotor mechanism of the present invention;
The assembled sectional view of Fig. 3 rotor mechanism of the present invention;
Fig. 4 rotor mechanism the second embodiment's of the present invention side view;
Fig. 5 rotor mechanism of the present invention the 3rd embodiment's side view;
Fig. 6 rotor mechanism of the present invention the 4th embodiment's side view;
Fig. 7 rotor mechanism of the present invention the 5th embodiment's front elevation.
Wherein, reference character
10 ... rotor mechanism
1 ... male rotor
11 ... spiral region
111 ... spiral section
112 ... first end
113 ... the second end
12 ... hollow shaft
13 ... heliconid
131 ... annular groove
2 ... hermetic separation structure
3 ... mother rotor
31 ... spire
100 ... housing
101 ... cavity volume
102 ... ring wall
A
l1the first line of centers
A
l2the second line of centers
D
1, D
2external diameter
L
1, L
2, L
3axial length
θ ... angle
Embodiment
Relevant detailed description of the present invention and technology contents, will coordinate brief description of the drawings as follows, but appended accompanying drawing is only as illustrative purposes, not for limiting to the present invention.
Please refer to shown in Fig. 1 to Fig. 3, the invention provides a kind of multi-section type spiral rotor mechanism of fluid machinery, this rotor mechanism 10 mainly comprises a male rotor 1, at least one hermetic separation structure 2 and at least two mother rotors 3.
Male rotor 1 has a spiral region 11; Hermetic separation structure 2 is sheathed and be fixed in male rotor 1 and follow male rotor 1 and rotate, and spiral region 11 is separated into two spiral sections 111 by hermetic separation structure 2.Wherein, hermetic separation structure 2 can be oil sealing or mechanical shaft seal, and mechanical shaft seal can be the elements such as lost seal ring or compression ring.
Spiral region 11 is separated into the method for spiral section 111, further illustrate as follows, one, male rotor 1 can comprise a hollow shaft 12 and sheathed and connect a heliconid 13 of hollow shaft 12, heliconid 13 surface forms spiral regions 11 and is also provided with at least one annular groove 131, the corresponding annular groove 131 of hermetic separation structure 2 and sheathed and be fixed in heliconid 13; Or, they are two years old, male rotor 1 can comprise a hollow shaft 12 and sheathed and connect at least two heliconids 13 of hollow shaft 12, between two heliconids 13, form an annular groove 131, the corresponding annular groove 131 of hermetic separation structure 2 and sheathed and be fixed in hollow shaft 12, each heliconid 13 surfaces form each spiral section 111 and jointly form spiral region 11.
Each mother rotor 3 respectively corresponding each spiral section 111 engagements arranges, and is described in detail as follows, and each mother rotor 3 has the spire 31 that corresponding spiral section 111 engages.
The combination of multi-section type spiral rotor mechanism 10 of the present invention, it is to utilize male rotor 1 to have spiral region 11; Hermetic separation structure 2 covers are fixed in male rotor 1 and follow male rotor 1 and rotate, and spiral region 11 is separated into two spiral sections 111 by hermetic separation structure 2; Each mother rotor 3 respectively corresponding each spiral section 111 engagements arranges.
The use of multi-section type spiral rotor mechanism 10 of the present invention, as shown in Figure 2 to Figure 3, the housing 100 of fluid machinery has a cavity volume 101, and rotor mechanism 10 is inserted in cavity volume 101, and the ring wall 102 of cavity volume 101 configures in the mode of closely close rotor mechanism 10.
When male rotor 1 is rotated, hermetic separation structure 2 rotates the resistance and the multiple closed chambers of housing 100 self-assembling formation that produce, and in each closed chamber, there are the intermeshing each spiral section 111 arranging and each mother rotor 3 and form multi-section type pressing chamber or expansion chamber, taking pressing chamber as example, the pressurizing medium (for example air) that one pressing chamber is exported is sent in another pressing chamber and is pressurizeed, to reach the higher pressure of output.
By this, rotor mechanism 10 of the present invention is with single male rotor 1 multiple mother rotors 3 of arranging in pairs or groups, and utilizes each spiral section 111 and the each mother rotor 3 that hermetic separation structure 2 and housing 100 arrange engagement to separate into multistage pressing chamber or expansion chamber.Therefore rotor mechanism 10 of the present invention arranges with simple part and simplification, produces multistage and compresses or expansion stroke, and be assembled into the multi-section type fluid machinery that part is simple, volume is short and small.
In addition, arranging of multistage pressing chamber or expansion chamber is adjacent, can shorten intermediate flow channel and reduce crushing, so that low consumed power transmission path to be provided, and then improves operation efficiency, and makes fluid machinery have more preferably compression or expansion equilibrant.
Moreover, male rotor 1 can comprise hollow shaft 12 and sheathed and connect the heliconid 13 of hollow shaft 12, heliconid 13 surfaces form each spiral section 111, make single hollow shaft 12 drive male rotor 1, be that the each spiral section 111 of simultaneous linkage and each mother rotor 3 are intermeshing, reach effect of segmentation pressurization or inflating medium, make rotor mechanism 10 of the present invention there is energy saving and the environmental protection of green energy.
In addition, arrange in pairs or groups multiple mother rotors 3 times of single male rotor 1, make the number of spare parts of rotor mechanism less, except can reducing costs, and the replacing of part while being also conducive to maintain.
Please refer to shown in Fig. 4 to Fig. 6, rotor mechanism the second to four embodiment of the present invention, wherein, the outer diameter D of each spiral section 111
1equate, each mother rotor 3 has the spire 31 that corresponding spiral section 111 engages, the outer diameter D of each spire 31
2also equate, make rotor mechanism 10 of the present invention there is the convenient feature of manufacturing and reducing stock.
In addition, the axial length L of a spire 31 wherein
1axial length L with adjacent spire 31
2length Ratio L
i(L
i=L
1/ L
2) between 1.6 to 2.5, make fluid machinery reach two compression efficiencies best.But Length Ratio L
itaking 1.6 to 2.5 is not restriction, and its visual actual conditions are adjusted.
Moreover male rotor 1 and two adjacent mother rotors 3 form respectively one first line of centers A
l1and one second line of centers A
l2, the first line of centers A
l1and the second line of centers A
l2between be formed with an angle theta, angle theta, between 90 degree to 180 degree, makes between multi-section type pressing chamber or expansion chamber, to have best runner and spatial structure.
Wherein, the best that above-mentioned male rotor 1 and two adjacent mother rotors 3 configure is implemented profit, as shown in Figure 6, be for a mother rotor 3 be wherein configured in male rotor 1 under, and the first line of centers A
l1and the second line of centers A
l2between angle theta be 90 degree, but not as limit.
Please refer to shown in Fig. 7, rotor mechanism of the present invention the 5th embodiment, wherein, a male rotor 1 also can configure two above mother rotors 3 simultaneously, therefore the quantity of hermetic separation structure 2 and mother rotor 3 is multiple, spiral region 11 is separated into multiple spiral sections 111 by each hermetic separation structure 2.By this, be same as above-mentioned function and effect to reach.
In addition, 11 two ends, spiral region form respectively a first end 112 and one second end 113, and each mother rotor 3 has the spire 31 that corresponding spiral section 111 engages, the axial length L of each spire 31
3successively decrease gradually towards the second end 113 directions from first end 112; Referring again to shown in Fig. 2 to Fig. 3, housing 100 has the entrance and the outlet that are communicated with cavity volume 101, if the corresponding first end 112 of entrance configures, exports corresponding the second end 113 and configures, and fluid machinery is the classifications such as compressor, fan, blower; If corresponding the second end 113 of entrance configures, export corresponding first end 112 and configure, fluid machinery is the classifications such as vacuum pump, liquor pump, decompressor.
Certainly; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. a multi-section type spiral rotor mechanism for fluid machinery, is characterized in that, comprising:
One male rotor, has a spiral region;
At least one hermetic separation structure, cover is fixed in this male rotor and follows this male rotor rotation, and this spiral region is separated into two spiral sections by sealing separation structure; And
At least two mother rotors, respectively correspondence respectively the engagement of this spiral section arrange.
2. the multi-section type spiral rotor mechanism of fluid machinery according to claim 1, is characterized in that, the quantity of hermetic separation structure and mother rotor is multiple, and this spiral region is separated into multiple spiral sections by each sealing separation structure.
3. the multi-section type spiral rotor mechanism of fluid machinery according to claim 1 and 2, it is characterized in that, this male rotor comprises a hollow shaft and is socketed a heliconid of this hollow shaft, this heliconid surface forms this spiral region and is also provided with at least one annular groove, and sealing separation structure is to should annular groove and overlap and be fixed in this heliconid.
4. the multi-section type spiral rotor mechanism of fluid machinery according to claim 1 and 2, it is characterized in that, this male rotor comprises a hollow shaft and is socketed at least two heliconids of this hollow shaft, between this two heliconid, form an annular groove, sealing separation structure is to should annular groove and overlap and be fixed in this hollow shaft, and respectively this heliconid surface forms respectively this spiral section and jointly forms this spiral region.
5. the multi-section type spiral rotor mechanism of fluid machinery according to claim 1 and 2, is characterized in that, respectively the external diameter of this spiral section equates, respectively this mother rotor have to should spiral section one spire of engagement, respectively the external diameter of this spire equates.
6. the multi-section type spiral rotor mechanism of fluid machinery according to claim 5, is characterized in that, the Length Ratio of the axial length of the axial length of one of them this spire and this adjacent spire is between 1.6 to 2.5.
7. the multi-section type spiral rotor mechanism of fluid machinery according to claim 1 and 2, it is characterized in that, this male rotor and two adjacent these mother rotors form respectively one first line of centers and one second line of centers, between this first line of centers and this second line of centers, be formed with an angle, this angle is between 90 degree to 180 degree.
8. the multi-section type spiral rotor mechanism of fluid machinery according to claim 7, is characterized in that, one of them this mother rotor be configured in this male rotor under.
9. the multi-section type spiral rotor mechanism of fluid machinery according to claim 8, is characterized in that, this angle is 90 degree.
10. the multi-section type spiral rotor mechanism of fluid machinery according to claim 1 and 2, it is characterized in that, these two ends, spiral region form respectively a first end and one second end, respectively this mother rotor have to should spiral section one spire of engagement, respectively the axial length of this spire successively decreases towards this second extreme direction gradually from this first end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310060517.5A CN104005950B (en) | 2013-02-26 | 2013-02-26 | The multi-section type spiral rotor mechanism of fluid machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310060517.5A CN104005950B (en) | 2013-02-26 | 2013-02-26 | The multi-section type spiral rotor mechanism of fluid machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104005950A true CN104005950A (en) | 2014-08-27 |
| CN104005950B CN104005950B (en) | 2016-04-13 |
Family
ID=51366783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310060517.5A Active CN104005950B (en) | 2013-02-26 | 2013-02-26 | The multi-section type spiral rotor mechanism of fluid machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104005950B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968942A (en) * | 2017-06-02 | 2017-07-21 | 武汉仁先机械设备有限公司 | A kind of screw drilling tool motor or screw pump |
| US11149732B2 (en) | 2017-11-02 | 2021-10-19 | Carrier Corporation | Opposed screw compressor having non-interference system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB677758A (en) * | 1949-10-07 | 1952-08-20 | Ljungstroms Angturbin Ab | Improvements in synchronising devices for rotary engines or compressors |
| US3467300A (en) * | 1967-02-06 | 1969-09-16 | Svenska Rotor Maskiner Ab | Two-stage compressor |
| CN102086862A (en) * | 2009-12-02 | 2011-06-08 | 三锦机器股份有限公司 | Anti-turbulent flow structure of spiral pump |
| TWM406658U (en) * | 2010-11-17 | 2011-07-01 | Fu Sheng Ind Co Ltd | Multi-stage spiral type compressor |
| CN202417932U (en) * | 2012-02-21 | 2012-09-05 | 太仓液压元件有限公司 | Screw pump |
-
2013
- 2013-02-26 CN CN201310060517.5A patent/CN104005950B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB677758A (en) * | 1949-10-07 | 1952-08-20 | Ljungstroms Angturbin Ab | Improvements in synchronising devices for rotary engines or compressors |
| US3467300A (en) * | 1967-02-06 | 1969-09-16 | Svenska Rotor Maskiner Ab | Two-stage compressor |
| CN102086862A (en) * | 2009-12-02 | 2011-06-08 | 三锦机器股份有限公司 | Anti-turbulent flow structure of spiral pump |
| TWM406658U (en) * | 2010-11-17 | 2011-07-01 | Fu Sheng Ind Co Ltd | Multi-stage spiral type compressor |
| CN202417932U (en) * | 2012-02-21 | 2012-09-05 | 太仓液压元件有限公司 | Screw pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968942A (en) * | 2017-06-02 | 2017-07-21 | 武汉仁先机械设备有限公司 | A kind of screw drilling tool motor or screw pump |
| US11149732B2 (en) | 2017-11-02 | 2021-10-19 | Carrier Corporation | Opposed screw compressor having non-interference system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104005950B (en) | 2016-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106704179B (en) | A kind of direct-connected double-screw compressor | |
| CN104005950B (en) | The multi-section type spiral rotor mechanism of fluid machinery | |
| CN105065281A (en) | Multi-exhaust-pressure screw type compressor | |
| CN103732923B (en) | Rocker-type piston pump | |
| CN104005954B (en) | A kind of vertical roots dry vacuum pump | |
| CN203926013U (en) | A kind of variable pitch dry screw vacuum pump | |
| CN103486034A (en) | Multi-level Roots pump | |
| US7980836B2 (en) | Modular multi-rotor compressor and method of manufacture | |
| RU2547211C2 (en) | Dry screw compressor | |
| CN206636781U (en) | A kind of new direct-connected double-screw compressor | |
| CN215890463U (en) | Compressor and air conditioner | |
| CN112943608A (en) | Multistage large-traffic compressor | |
| CN111734632B (en) | Double-screw rotor set and vacuum pump | |
| CN201771767U (en) | Rotary compressor | |
| CN209621604U (en) | A kind of multi-stage roots vacuum pump | |
| CN103541899B (en) | Screw compressor | |
| TWI512201B (en) | Multi-section helical rotor mechanism of fluid machinery | |
| CN208474109U (en) | A kind of multi-stage roots dry vacuum pump of the independent discharging directly into atmosphere of pairs of rotor shaft | |
| CN214617031U (en) | Multistage large-traffic compressor | |
| CN219888265U (en) | Two-stage oil injection screw compressor | |
| CN101338748A (en) | Motor direct drive type air pumping and application and manufacture method | |
| CN202250857U (en) | Open type double-screw compressor | |
| CN109236636A (en) | Duplex gear pump | |
| CN109854501A (en) | A kind of multi-stage roots vacuum pump | |
| CN208330718U (en) | High leakproofness gear oil pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |