CN208380852U - It is a kind of to use the modified vortex flute profile line structure of vortex compressor of asymmetric double circular arc - Google Patents
It is a kind of to use the modified vortex flute profile line structure of vortex compressor of asymmetric double circular arc Download PDFInfo
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- CN208380852U CN208380852U CN201820667868.0U CN201820667868U CN208380852U CN 208380852 U CN208380852 U CN 208380852U CN 201820667868 U CN201820667868 U CN 201820667868U CN 208380852 U CN208380852 U CN 208380852U
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- circular arc
- vortex tooth
- tooth
- involute
- dynamic
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Abstract
The modified vortex flute profile line structure of vortex compressor of asymmetric double circular arc is used the utility model discloses a kind of, in which: involute forms involute on the outside of determine vortex tooth inside involute and determine vortex tooth by 180 ° of duplications of center rotation respectively on the outside of dynamic vortex tooth inside involute and dynamic vortex tooth.The utility model can effectively increase the tooth head area of dynamic vortex tooth and determine vortex tooth simultaneously, and the tooth head area of biggish dynamic vortex tooth is conducive to open up spindle through-hole in tooth head, and main shaft can run through orbiter, reduce orbiter to the tilting moment of main shaft；Stress is larger at the tooth head of scroll wrap, and the tooth head area for increasing dynamic vortex tooth and determine vortex tooth is conducive to enhance tooth head intensity.
Description
Technical field
The utility model relates to screw compressor technical field more particularly to a kind of use modified whirlpools of asymmetric double circular arc
Revolve compressor scroll wrap molded line structure.
Background technique
Screw compressor is a kind of novel volume fluid machine, with its high efficiency, high reliability, low energy consumption, low noise
The advantages that and the attention by researcher, be especially widely used in fields such as refrigeration air-conditioner, automobiles.Screw compressor molded line is main
Have: round involute, Made up of Line Segment Involute, spiral of Archimedes etc..At present screw compressor molded line be most widely used one
Kind of molded line is round involute, its single involute at scroll molded line be difficult to realize at a fully engaged, and tooth when processing
Head divides radius of curvature to be less than cutter radius of circle, is easy to produce cutter interference, and molded line amendment can be good at solving these problems.
The molded line amendment having already appeared at present has: symmetrical modification of double arc, symmetrical bicircular arcs add straight line amendment, trigonometric function amendment etc.,
The amendment of these molded line be all it is symmetrical, moved after amendment, determine vortex tooth flute profile it is full symmetric, and scroll wrap tooth head area is smaller,
It is easy to be deformed because stress is excessive in compressor operational process, and since spindle through-hole can be interfered with scroll wrap head,
Orbiter can only be assemblied in spindle nose, and orbiter is larger to the tilting moment of main shaft, Shortcomings.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of using the modified whirlpool of asymmetric double circular arc
Compressor scroll wrap molded line structure is revolved, revised dynamic vortex tooth and determine vortex tooth flute profile are asymmetric, but can be at a fully engaged.
To solve the above problems, the technical solution of the utility model is as follows: a kind of to use the modified whirlpool of asymmetric double circular arc
Revolve compressor scroll wrap molded line structure, including first amendment circular arc of dynamic vortex tooth, dynamic vortex tooth Article 2 amendment circular arc, dynamic whirlpool
Involute on the inside of rotation tooth, involute on the outside of dynamic vortex tooth, involute on the outside of determine vortex tooth, determine whirlpool at involute on the inside of determine vortex tooth
Revolve first amendment circular arc of tooth, determine vortex tooth Article 2 amendment circular arc, dynamic vortex tooth and determine vortex tooth, in which: the dynamic vortex
Involute forms involute on the inside of determine vortex tooth by 180 ° of duplications of center rotation respectively on the outside of tooth inside involute and dynamic vortex tooth
With involute on the outside of determine vortex tooth；
The dynamic vortex tooth first amendment circular arc is to open up the evolute L that angle φ makees basic circle1It hands in the dynamic vortex tooth
Side involute makees evolute L in point A, to open up angle φ+pi/22Hand on the outside of the dynamic vortex tooth involute in B point, two evolutes
Intersection point is H, and using H as the center of circle, HB is radius, makees circular arc and hands over L1In C, circular arc BC be first amendment circular arc of dynamic vortex tooth, with
The midpoint G of AC is the center of circle, and GA is radius, makees circular arc AC, and circular arc AC is dynamic vortex tooth Article 2 amendment circular arc, it is known that at A point
It is+2 π of φ that involute, which opens up angle, and involute exhibition angle is φ+pi/2 at B point；
First, determine vortex tooth amendment circular arc is to open up the evolute L that angle φ makees basic circle3It hands on the outside of determine vortex tooth gradually
It bursts at the seams in point D, makees evolute L to open up angle φ+pi/24Hand over determine vortex tooth inside involute in F point, the intersection point of two evolutes is J,
Using J as the center of circle, JF is radius, makees circular arc and hands over L3In E, circular arc EF be first amendment circular arc of determine vortex tooth, with the midpoint I of DE
For the center of circle, ID is radius, makees circular arc DE, and circular arc DE is determine vortex tooth Article 2 amendment circular arc, it is known that involute opens up angle at D point
For φ, involute exhibition angle is φ+pi/2 at F point；
First amendment circular arc of the dynamic vortex tooth, dynamic vortex tooth Article 2 amendment circular arc, dynamic vortex tooth inside involute
Dynamic vortex tooth, first amendment circular arc of determine vortex tooth, determine vortex tooth Article 2 amendment circle are constituted with involute on the outside of dynamic vortex tooth
Involute constitutes determine vortex tooth on the outside of arc, determine vortex tooth inside involute and determine vortex tooth.
Preferably, first amendment circular arc of the dynamic vortex tooth and involute on the outside of dynamic vortex tooth are tangent, dynamic vortex tooth
Two amendment circular arcs and involute on the inside of dynamic vortex tooth are tangent, and first amendment circular arc of dynamic vortex tooth and dynamic vortex tooth Article 2 are repaired
Positive circular arc is tangent.
Preferably, involute is tangent on the inside of first amendment circular arc of the determine vortex tooth and determine vortex tooth, determine vortex tooth the
Two amendment circular arcs and involute on the outside of determine vortex tooth are tangent, and first amendment circular arc of determine vortex tooth and determine vortex tooth Article 2 are repaired
Positive circular arc is tangent.
Preferably, the dynamic vortex tooth and determine vortex tooth can be at a fully engaged.
The technical effect and advantage of the utility model:
1, the tooth head area that can increase dynamic vortex tooth and determine vortex tooth simultaneously is conducive to enhance tooth head intensity, reduces tooth
Head deformation.
2, the tooth head area for increasing effectively dynamic vortex tooth, can open up spindle through-hole at tooth head, and main shaft can run through
Orbiter reduces orbiter to the tilting moment of main shaft.
Detailed description of the invention
Fig. 1 is the dynamic vortex tooth molded line makeover process schematic diagram of the utility model.
Fig. 2 is vortex flute profile figure after the dynamic vortex tooth of the utility model is corrected.
Fig. 3 is the determine vortex flute profile line makeover process schematic diagram of the utility model.
Fig. 4 is vortex flute profile figure after the determine vortex tooth of the utility model is corrected.
Fig. 5 is the positional diagram of the dynamic vortex tooth and determine vortex tooth of the utility model at revolution center position.
Fig. 6 is the dynamic vortex tooth of the utility model and the at a fully engaged figure of determine vortex tooth.
In figure: first amendment circular arc of 1- dynamic vortex tooth, 2- dynamic vortex tooth Article 2 amendment circular arc, 3- dynamic vortex tooth inside
Involute on the outside of involute, 4- dynamic vortex tooth, involute on the outside of 5- determine vortex tooth, involute, 7- determine whirlpool on the inside of 6- determine vortex tooth
Revolve first amendment circular arc of tooth, 8- determine vortex tooth Article 2 corrects circular arc, 9- dynamic vortex tooth, 10- determine vortex tooth.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1, referring to Fig. 1, it is a kind of use the modified vortex flute profile line structure of vortex compressor of asymmetric double circular arc,
Including involute 3, dynamic whirlpool on the inside of first amendment circular arc 1 of dynamic vortex tooth, dynamic vortex tooth Article 2 amendment circular arc 2, dynamic vortex tooth
Revolve involute 4 on the outside of tooth, first involute 5, determine vortex tooth inside involute 6, determine vortex tooth amendment circle on the outside of determine vortex tooth
Arc 7, determine vortex tooth Article 2 amendment circular arc 8, dynamic vortex tooth 9 and determine vortex tooth 10, in which: involute on the inside of the dynamic vortex tooth
3 and dynamic vortex tooth on the outside of involute 4 rotate 180 ° of duplications by center respectively and form involute 6 and determine vortex tooth on the inside of determine vortex tooth
Outside involute 5；
The dynamic vortex tooth first amendment circular arc 1 is to open up the evolute L that angle φ makees basic circle1It hands in the dynamic vortex tooth
Side involute 3 makees evolute L in point A, to open up angle φ+pi/22Hand on the outside of the dynamic vortex tooth involute 4 in B point, two evolutes
Intersection point be H, using H as the center of circle, HB is radius, make circular arc hand over L1In C, circular arc BC be first amendment circular arc 1 of dynamic vortex tooth,
Using the midpoint G of AC as the center of circle, GA is radius, makees circular arc AC, and circular arc AC is dynamic vortex tooth Article 2 amendment circular arc 2, it is known that A point
Locating involute exhibition angle is+2 π of φ, and involute exhibition angle is φ+pi/2 at B point；Wherein, first amendment circular arc 1 of dynamic vortex tooth and dynamic
Involute 4 is tangent on the outside of scroll wrap, and dynamic vortex tooth Article 2 corrects circular arc 2 and involute 3 on the inside of dynamic vortex tooth is tangent, dynamic vortex
First amendment circular arc 1 of tooth and dynamic vortex tooth Article 2 amendment circular arc 2 are tangent.
Referring to Fig. 2, in first amendment circular arc 1 of dynamic vortex tooth, dynamic vortex tooth Article 2 amendment circular arc 2, dynamic vortex tooth
Involute 4 constitutes dynamic vortex tooth 9 on the outside of side involute 3 and dynamic vortex tooth, increases the tooth head area of dynamic vortex tooth 9, is conducive to
Spindle through-hole is opened up at tooth head, main shaft can run through orbiter, reduce orbiter to the tilting moment of main shaft, increase simultaneously
Canine tooth head intensity.
Referring to Fig. 3, first, determine vortex tooth amendment circular arc 7 is to open up the evolute L that angle φ makees basic circle3Hand over determine vortex tooth
Outside involute 5 makees evolute L in point D, to open up angle φ+pi/24Hand on the inside of determine vortex tooth involute 6 in F point, two evolutes
Intersection point is J, and using J as the center of circle, JF is radius, makees circular arc and hands over L3In E, circular arc EF be first amendment circular arc 7 of determine vortex tooth, with
The midpoint I of DE is the center of circle, and ID is radius, makees circular arc DE, and circular arc DE is determine vortex tooth Article 2 amendment circular arc 8, it is known that at D point
It is φ that involute, which opens up angle, and involute exhibition angle is φ+pi/2 at F point；Wherein, first amendment circular arc 7 of the determine vortex tooth and determine whirlpool
It is tangent to revolve involute 6 on the inside of tooth, determine vortex tooth Article 2 corrects circular arc 8 and involute 5 on the outside of determine vortex tooth is tangent, determine vortex tooth
First amendment circular arc 7 and determine vortex tooth Article 2 amendment circular arc 8 are tangent.
Referring to Fig. 4, in first amendment circular arc 7 of determine vortex tooth, determine vortex tooth Article 2 amendment circular arc 8, determine vortex tooth
Involute 5 constitutes determine vortex tooth 10 on the outside of side involute 6 and determine vortex tooth.The tooth head area of determine vortex tooth 10 is increased, favorably
In enhancing tooth head intensity, reduce the deformation of tooth head.
Referring to Fig. 5, dynamic vortex tooth 9 and determine vortex tooth 10, at revolution center position, revolution center position is dynamic vortex
When the relative position that tooth 9 and 10 basic circle center of determine vortex tooth are overlapped, dynamic vortex tooth 9 and determine vortex tooth 10 being capable of intermeshing types
Line part forms normal direction equidistant curve.
Referring to Fig. 6, dynamic vortex tooth 9 and determine vortex tooth 10 are at a fully engaged, compression efficiency can be improved.
Claims (4)
1. a kind of use the modified vortex flute profile line structure of vortex compressor of asymmetric double circular arc, including dynamic vortex tooth first is repaired
Positive circular arc (1), dynamic vortex tooth Article 2 amendment circular arc (2), involute (3) on the inside of dynamic vortex tooth, involute on the outside of dynamic vortex tooth
(4), involute (5) on the outside of determine vortex tooth, involute (6) on the inside of determine vortex tooth, first amendment circular arc (7) of determine vortex tooth, calmly
Scroll wrap Article 2 corrects circular arc (8), dynamic vortex tooth (9) and determine vortex tooth (10), it is characterised in that: on the inside of the dynamic vortex tooth
Involute (4) forms involute on the inside of determine vortex tooth by 180 ° of duplications of center rotation respectively on the outside of involute (3) and dynamic vortex tooth
(6) involute (5) and on the outside of determine vortex tooth；
The dynamic vortex tooth first amendment circular arc (1) is to open up the evolute L that angle φ makees basic circle1It hands on the inside of the dynamic vortex tooth
Involute (3) makees evolute L in point A, to open up angle φ+pi/22Involute (4) on the outside of the dynamic vortex tooth is handed over to be unfolded in B point, two
The intersection point of line is H, and using H as the center of circle, HB is radius, makees circular arc and hands over L1In C, circular arc BC be first amendment circular arc of dynamic vortex tooth
(1), using the midpoint G of AC as the center of circle, GA is radius, makees circular arc AC, and circular arc AC is dynamic vortex tooth Article 2 amendment circular arc (2),
Know that involute exhibition angle is+2 π of φ at A point, involute exhibition angle is φ+pi/2 at B point；
First, determine vortex tooth amendment circular arc (7) is to open up the evolute L that angle φ makees basic circle3It hands over and is gradually opened on the outside of determine vortex tooth
Line (5) makees evolute L in point D, to open up angle φ+pi/24Hand over determine vortex tooth inside involute (6) in F point, the intersection point of two evolutes
For J, using J as the center of circle, JF is radius, makees circular arc and hands over L3In E, circular arc EF be first amendment circular arc (7) of determine vortex tooth, with DE
Midpoint I be the center of circle, ID is radius, makees circular arc DE, and circular arc DE is determine vortex tooth Article 2 amendment circular arc (8), it is known that at D point
It is φ that involute, which opens up angle, and involute exhibition angle is φ+pi/2 at F point；
First amendment circular arc (1) of the dynamic vortex tooth, dynamic vortex tooth Article 2 amendment circular arc (2), dynamic vortex tooth inside are gradually opened
Involute (4) constitutes dynamic vortex tooth (9) on the outside of line (3) and dynamic vortex tooth, determine vortex tooth first amendment circular arc (7), determine vortex
Involute (5) constitutes determine vortex tooth on the outside of tooth Article 2 amendment circular arc (8), determine vortex tooth inside involute (6) and determine vortex tooth
(10)。
2. a kind of use modified vortex flute profile line structure of vortex compressor of asymmetric double circular arc according to claim 1,
It is characterized by: first amendment circular arc (1) of the dynamic vortex tooth and involute on the outside of dynamic vortex tooth (4) are tangent, dynamic vortex tooth
Article 2 corrects circular arc (2) and involute (3) on the inside of dynamic vortex tooth is tangent, first amendment circular arc (1) of dynamic vortex tooth and dynamic whirlpool
It is tangent to revolve tooth Article 2 amendment circular arc (2).
3. a kind of use modified vortex flute profile line structure of vortex compressor of asymmetric double circular arc according to claim 1,
It is characterized by: first amendment circular arc (7) of the determine vortex tooth and involute (6) on the inside of determine vortex tooth are tangent, determine vortex tooth
Article 2 corrects circular arc (8) and involute (5) on the outside of determine vortex tooth is tangent, first amendment circular arc (7) of determine vortex tooth and determines whirlpool
It is tangent to revolve tooth Article 2 amendment circular arc (8).
4. a kind of use modified vortex flute profile line structure of vortex compressor of asymmetric double circular arc according to claim 1,
It is characterized by: the dynamic vortex tooth (9) and determine vortex tooth (10) can be at a fully engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820667868.0U CN208380852U (en) | 2018-05-07 | 2018-05-07 | It is a kind of to use the modified vortex flute profile line structure of vortex compressor of asymmetric double circular arc |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820667868.0U CN208380852U (en) | 2018-05-07 | 2018-05-07 | It is a kind of to use the modified vortex flute profile line structure of vortex compressor of asymmetric double circular arc |
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| CN208380852U true CN208380852U (en) | 2019-01-15 |
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|---|---|---|---|
| CN201820667868.0U Expired - Fee Related CN208380852U (en) | 2018-05-07 | 2018-05-07 | It is a kind of to use the modified vortex flute profile line structure of vortex compressor of asymmetric double circular arc |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443141A (en) * | 2018-05-07 | 2018-08-24 | 南昌大学 | It is a kind of to use the modified vortex flute profile line structure of vortex compressor of asymmetric double circular arc |
| CN110285053A (en) * | 2019-07-24 | 2019-09-27 | 中国石油大学(华东) | A kind of variable cross-section scroll wrap and its Profile Design method of screw compressor |
-
2018
- 2018-05-07 CN CN201820667868.0U patent/CN208380852U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443141A (en) * | 2018-05-07 | 2018-08-24 | 南昌大学 | It is a kind of to use the modified vortex flute profile line structure of vortex compressor of asymmetric double circular arc |
| CN110285053A (en) * | 2019-07-24 | 2019-09-27 | 中国石油大学(华东) | A kind of variable cross-section scroll wrap and its Profile Design method of screw compressor |
| CN110285053B (en) * | 2019-07-24 | 2023-10-20 | 中国石油大学(华东) | Variable cross-section vortex tooth of vortex compressor and molded line design method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20190507 |
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| CF01 | Termination of patent right due to non-payment of annual fee |