CN208010596U - Rotor of helical lobe compressor and compressor with it - Google Patents
Rotor of helical lobe compressor and compressor with it Download PDFInfo
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- CN208010596U CN208010596U CN201820240330.1U CN201820240330U CN208010596U CN 208010596 U CN208010596 U CN 208010596U CN 201820240330 U CN201820240330 U CN 201820240330U CN 208010596 U CN208010596 U CN 208010596U
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- rotor
- teeth portion
- lobe compressor
- helical lobe
- compressor
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Abstract
The utility model provides a kind of rotor of helical lobe compressor and the compressor with it.Wherein, rotor of helical lobe compressor includes：Intermeshing female rotor and male rotor, at any time, at the contact position at least two of female rotor and male rotor.The utility model efficiently solves the problems, such as that the rotor of helical-lobe compressor in the prior art easily occurs abrasion, influences rotor operation performance.
Description
Technical field
The utility model is related to screw rotor technical fields, in particular to a kind of rotor of helical lobe compressor and have
Its compressor.
Background technology
Helical-lobe compressor belongs to positive displacement compressor for refrigeration, using a pair of intermeshing female rotor and male rotor in body
Intracavitary does rotary motion, and the volume between each pair of tooth socket of rotor is periodically changed to complete air-breathing, compression, exhaust event.Work as pressure
When contracting machine operates, male rotor drives female rotor rotation, is formed by the inner wall of yin, yang rotor tooth socket, path of contact, cylinder and end cap
Element volume constantly changes.When element volume is changed by minimum volume to maximum volume, compressor carries out aspiratory action, works as base
When first volume reaches maximum, air-breathing terminates.Later, element volume is tapered by maximum, and compressor starts carry out gas compression
Action.When element volume starts to be connected with exhaust outlet, action is exhausted in compressor, until element volume becomes zero.
This is arrived, an exhaust process is completed, with remaining in operation for rotor, this process is repeated, to realize helical-lobe compressor to gas
Compression.
Currently, as shown in Figure 1, inverter screw compressor yin-yang rotor Impact Problems during unexpected acceleration and deceleration, and lead
Rotor noise is caused to become larger, performance declines.Just start to use equidistant gap way between male rotor 20 ' and female rotor 10 '.Wherein, positive
1 all 0.03~0.10mm of clearance D between rotor 20 ' and female rotor 10 ' design for equidistant gap.In the prior art,
With being gradually increased for rotor machining precision, the gradual increase of compressor displacement, using not between male rotor 20 ' and female rotor 10 '
Equidistant gap way.Specifically, as shown in Fig. 2, the gaps A ' are 0mm at the rotor driving of male rotor 20 ' or female rotor 10 ',
Leeway side is 0.03~0.10mm.However, during the operation of the compressor, when male rotor 20 ' slows down suddenly, female rotor 10 '
Since inertia also has not enough time to slow down, then can cause originally drive gap be 0mm place mutually disengage, gap be 0.03~
The place of 0.10mm can be in contact and gap becomes 0mm, be equivalent to female rotor 10 ' and hit to male rotor 20 ', not only can
Cause rotor to wear, influence the service life of rotor, can also reduce the runnability of rotor, influences the work effect of compressor
Rate.
Utility model content
The main purpose of the utility model is to provide a kind of rotor of helical lobe compressor and with its compressor, to solve
The rotor of helical-lobe compressor easily occurs abrasion, influences the problem of rotor operation performance in the prior art.
To achieve the goals above, one side according to the present utility model provides a kind of rotor of helical lobe compressor, packet
It includes：Intermeshing female rotor and male rotor, at any time, at the contact position at least two of female rotor and male rotor.
Further, projection of many places contact position in the axial projection plane S perpendicular to female rotor or male rotor
Position immobilizes.
Further, the contact position of female rotor and male rotor has at two, and female rotor has multiple circumferentially-spaced to be set along its
The first teeth portion set, male rotor have it is multiple along its circumferentially spaced second teeth portion, at any time, adjacent two the
One teeth portion is meshed with second teeth portion, and there are one contact positions with the second teeth portion tool respectively for two the first teeth portion.
Further, the molded lines of rotor of each first teeth portion all has at driving B at A and sealing, contact position difference at two
For B at the sealing of A and another the first teeth portion adjacent thereto at the driving of first teeth portion.
Further, it is in part tool of the second teeth portion and the first teeth portion under meshing state between two contact positions
There is clearance D.
Further, clearance D is more than or equal to 0.03mm and is less than or equal to 0.10mm.
Further, clearance D gradually increases on the direction far from contact position.
Further, the number ratio of multiple second teeth portion and multiple first teeth portion is N, and is met
Another aspect according to the present utility model provides a kind of compressor, including above-mentioned rotor of helical lobe compressor.
Further, compressor is frequency-changeable compressor.
Using the technical solution of the utility model, rotor of helical lobe compressor includes intermeshing female rotor and male rotor.
At any time, at the contact position of female rotor and male rotor at least two.In this way, in rotor of helical lobe compressor operational process
Both in, position female rotor and male rotor are in contact at least two, prevent female rotor or the unexpected acceleration, deceleration of male rotor and cause
It is detached from, and then prevents female rotor and male rotor from shock occurring due to popping out and cause structural wear, to extend screw rod
The service life of compressor drum improves the operational reliability and working performance of rotor of helical lobe compressor.Meanwhile in screw compression
In machine rotor operational process, above-mentioned setting can reduce vibration and the noise of rotor of helical lobe compressor, improve the user experience.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
Novel illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.
In the accompanying drawings：
Structural schematic diagram when Fig. 1 is shown in the prior art between female rotor and male rotor with equidistant gap；
Structural schematic diagram when Fig. 2 shows in the prior art between female rotor and male rotor with Unequal distance gap；With
And
Fig. 3 shows the structural schematic diagram of the embodiment of the rotor of helical-lobe compressor according to the present utility model.
Wherein, above-mentioned attached drawing includes the following drawings label：
10 ', female rotor；20 ', male rotor；10, female rotor；11, the first teeth portion；20, male rotor；21, the second teeth portion.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " is typically to be directed to
For direction shown in the drawings, or on vertical, vertical or gravity direction；Similarly, for ease of understanding
And description, " left and right " is typically for shown in the drawings left and right；" inside and outside " refers to the profile relative to each component itself
It is inside and outside, but the above-mentioned noun of locality is not intended to limit the utility model.
In order to solve the problems, such as that abrasion, influence rotor operation performance easily occur for the rotor of helical-lobe compressor in the prior art,
This application provides a kind of rotor of helical lobe compressor and with its compressor.
As shown in figure 3, rotor of helical lobe compressor includes intermeshing female rotor 10 and male rotor 20, at any time,
At the contact position of female rotor 10 and male rotor 20 at least two.
Using the technical solution of the present embodiment, in rotor of helical lobe compressor operational process, position the moon turns at least two
Son 10 and male rotor 20 are in contact, and prevent female rotor 10 or 20 unexpected acceleration, deceleration of male rotor and the two is caused to be detached from, in turn
It prevents female rotor 10 and male rotor 20 from shock occurring due to popping out and causes structural wear, to extend rotor of helical lobe compressor
Service life, improve the operational reliability and working performance of rotor of helical lobe compressor.Meanwhile it being run in rotor of helical lobe compressor
In the process, above-mentioned setting can reduce vibration and the noise of rotor of helical lobe compressor, improve the user experience.
As shown in figure 3, many places contact position is in the axial projection plane S perpendicular to female rotor 10 or male rotor 20
Projected position immobilizes.Specifically, in rotor of helical lobe compressor operational process, in projection plane S, female rotor 10 and sun
The subpoint of 20 contact position of rotor is constant, and then ensures that female rotor 10 and male rotor 20 have many places to contact position at any time
It sets, influences the service life of rotor of helical lobe compressor, workability to prevent from colliding between female rotor 10 and male rotor 20
Energy and working efficiency.
As shown in figure 3, the contact position of female rotor 10 and male rotor 20 has at two, female rotor 10 has multiple along its circumferential direction
Spaced first teeth portion 11, male rotor 20 have it is multiple along its circumferentially spaced second teeth portion 21, at any time,
Two adjacent the first teeth portion 11 are meshed with second teeth portion 21, and two the first teeth portion 11 have with the second teeth portion 21 respectively
There are one contact positions.Specifically, in rotor of helical lobe compressor operational process, female rotor 10 and male rotor 20 have at two always
Contact position, i.e., second teeth portion 21, which is located between two the first teeth portion 11 and respectively has at one with two the first teeth portion 11, contacts
Position.Wherein, projected position of the contact position in the axial projection plane S perpendicular to female rotor 10 or male rotor 20 at two
It immobilizes.In this way, above-mentioned setting ensures that any one second teeth portion 21 of male rotor 20 is respectively positioned on the arbitrary phase of female rotor 10
It between two adjacent the first teeth portion 11, prevents female rotor 10 from disengaging occurs with male rotor 20 and leads to structural wear, and then extends
The service life of yin, yang rotor, the runnability and functional reliability of lifting handle compressor drum.Meanwhile above-mentioned setting drop
The vibration generated in low rotor of helical lobe compressor operational process and noise, improve the user experience.
As shown in figure 3, the molded lines of rotor of each first teeth portion 11 all has at driving B at A and sealing, contact position point at two
It Wei not B at the sealing of A and another the first teeth portion 11 adjacent thereto at the driving of first teeth portion 11.Specifically, it drives
Locate at A and sealing B respectively on the pitch circle of two the first teeth portion 11 and the flank profil of second teeth portion 21, then A and close at driving
Relative velocity at envelope at B is zero.Wherein, when female rotor 10 rotates counterclockwise, B at the sealing in same first teeth portion 11
The rear side of A at driving.
As shown in figure 3, the second teeth portion 21 and the first teeth portion 11 under meshing state are between two contact positions
Part has clearance D.In this way, above-mentioned setting ensures that between the first teeth portion 11 and the second teeth portion 21 oil film can be formed, two are prevented
Rigid contact occurs between person and causes structural wear, and then extends the service life of rotor of helical lobe compressor, promotes its operation
Performance and functional reliability.
In the present embodiment, clearance D is processed on the molded line of female rotor 10, the molded line of male rotor 20 is constant.
Optionally, clearance D is more than or equal to 0.03mm and is less than or equal to 0.10mm.Above-mentioned setting can either ensure the first teeth portion
11 and second form oil film between teeth portion 21, and can be further improved to avoid causing cooperation not close since gap is excessive
The functional reliability of rotor of helical lobe compressor, the working performance of lifting handle compressor drum ensure rotor of helical lobe compressor energy
Enough Efficient Operations.
As shown in figure 3, clearance D gradually increases on the direction far from contact position.In this way, above-mentioned setting makes female rotor
The processing of 10 the first teeth portion 11 is more prone to, is easy, reduces the labor intensity of staff.
It should be noted that the variation tendency of clearance D is without being limited thereto.Optionally, on the direction far from contact position,
Gap D is constant.
Optionally, the number ratio of multiple second teeth portion 21 and multiple first teeth portion 11 is N, and is met As shown in figure 3,Wherein, there are five the second teeth portion 21, female rotors for the tool of male rotor 20
There are six the first teeth portion 11 for 10 tools.In this way, above-mentioned gear ratio (number ratio) ensures the molded lines of rotor of female rotor 10 and male rotor 20
It is smoothly connected, no cusp, easy to process and detection.Meanwhile above-mentioned gear ratio (number ratio) is so that rotor of helical lobe compressor is being transported
It is with small vibration during row, noise is low, yin, yang rotor rigidity preferably, have smaller thermal deformation and flexural deformation, it is especially suitable
It is used under bad working environments.
Specifically, in the present embodiment, the back lash changing rule of the first teeth portion 11 and the second teeth portion 21 is：0mm is extremely
Clearance D becomes 0mm again.In this way, when male rotor 20 accelerates suddenly, male rotor 20 will not be disengaged with female rotor 10, female rotor
10 can also realize rapidly acceleration；When male rotor 20 slows down suddenly, effect same can also be reached.
Optionally, the curve that female rotor 10 and male rotor 20 coordinate includes circular arc line and envelope.In this way, above-mentioned setting can
To be conducive to female rotor 10 and the even closer cooperation of male rotor 20, and molded lines of rotor is smoothly connected, no cusp.
Present invention also provides a kind of compressor (not shown), including above-mentioned rotor of helical lobe compressor.Optionally, it compresses
Machine is frequency-changeable compressor.
Normally, no matter the design of equidistant gap or the design of Unequal distance gap, should all be used in invariable frequency compressor field, it is fixed frequently
The rotating speed of compressor in the process of running is constant, generally 2940r/m, and rotor is not in add suddenly in the process of running
The case where speed or deceleration, therefore the inertia of male rotor and female rotor is just as, it is only necessary to ensure that molded lines of rotor has gap at one
For 0mm.Wherein, gap is that 0mm is commonly designed at the driving of female rotor molded line.However, frequency-changeable compressor passes through rotating speed
Variation carries out cold regulation, and motor drives male rotor 20 to rotate, and male rotor 20 drives female rotor 10 to move, when male rotor 20 is unexpected
When acceleration, deceleration, male rotor 20 will not be disengaged with female rotor 10, and female rotor 10 can also realize rapidly acceleration, deceleration campaign,
And then prevent female rotor 10 and male rotor 20 from shock occurring due to popping out and cause structural wear, to extend helical-lobe compressor
The service life of rotor improves the operational reliability and working performance of rotor of helical lobe compressor.Meanwhile it being run in frequency-changeable compressor
In the process, above-mentioned setting can reduce vibration and the noise of compressor, improve the user experience.
It can be seen from the above description that the above embodiments of the present invention achieve the following technical effects：
In rotor of helical lobe compressor operational process, position female rotor and male rotor are in contact at least two, prevent the moon
Rotor or the unexpected acceleration, deceleration of male rotor and both cause to be detached from, and then prevent female rotor and male rotor due to popping out
And occur to hit and cause structural wear, to extend the service life of rotor of helical lobe compressor, improve the fortune of rotor of helical lobe compressor
Row reliability and working performance.Meanwhile in rotor of helical lobe compressor operational process, above-mentioned setting can reduce helical-lobe compressor
The vibration of rotor and noise, improve the user experience.
Obviously, above-mentioned described embodiment is only the embodiment of the utility model part, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained should all belong to the range of the utility model protection.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or combination thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of rotor of helical lobe compressor, which is characterized in that including：
Intermeshing female rotor (10) and male rotor (20), at any time, the female rotor (10) and the male rotor
(20) at contact position at least two.
2. rotor of helical lobe compressor according to claim 1, which is characterized in that contact position described in many places is perpendicular to institute
The projected position stated in the axial projection plane S of female rotor (10) or the male rotor (20) immobilizes.
3. rotor of helical lobe compressor according to claim 1, which is characterized in that the female rotor (10) and the male rotor
(20) the contact position has at two, and the female rotor (10) has multiple along its circumferentially spaced first teeth portion
(11), the male rotor (20) has multiple along its circumferentially spaced second teeth portion (21), at any time, adjacent two
A first teeth portion (11) is meshed with second teeth portion (21), and two first teeth portion (11) respectively with institute
Stating the second teeth portion (21) tool, there are one the contact positions.
4. rotor of helical lobe compressor according to claim 3, which is characterized in that the rotor-type of each first teeth portion (11)
Line all has at driving B at A and sealing, and the contact position is respectively the driving of first teeth portion (11) at two
Locate B at the sealing of A and another first teeth portion (11) adjacent thereto.
5. rotor of helical lobe compressor according to claim 4, which is characterized in that second tooth under meshing state
The part of portion (21) and first teeth portion (11) between two contact positions has clearance D.
6. rotor of helical lobe compressor according to claim 5, which is characterized in that the clearance D be more than or equal to 0.03mm and
Less than or equal to 0.10mm.
7. rotor of helical lobe compressor according to claim 5, which is characterized in that the clearance D is far from the contact position
Gradually increase on the direction set.
8. rotor of helical lobe compressor according to claim 3, which is characterized in that multiple second teeth portion (21) with it is multiple
The number ratio of first teeth portion (11) is N, and is metOrOr
9. a kind of compressor, which is characterized in that including rotor of helical lobe compressor described in any item of the claim 1 to 8.
10. compressor according to claim 9, which is characterized in that the compressor is frequency-changeable compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820240330.1U CN208010596U (en) | 2018-02-07 | 2018-02-07 | Rotor of helical lobe compressor and compressor with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820240330.1U CN208010596U (en) | 2018-02-07 | 2018-02-07 | Rotor of helical lobe compressor and compressor with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208010596U true CN208010596U (en) | 2018-10-26 |
Family
ID=63886462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820240330.1U Active CN208010596U (en) | 2018-02-07 | 2018-02-07 | Rotor of helical lobe compressor and compressor with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208010596U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194363A (en) * | 2018-02-07 | 2018-06-22 | 珠海格力电器股份有限公司 | Rotor of helical lobe compressor and with its compressor |
| CN108194363B (en) * | 2018-02-07 | 2024-05-28 | 珠海格力电器股份有限公司 | Screw compressor rotor and compressor with same |
-
2018
- 2018-02-07 CN CN201820240330.1U patent/CN208010596U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194363A (en) * | 2018-02-07 | 2018-06-22 | 珠海格力电器股份有限公司 | Rotor of helical lobe compressor and with its compressor |
| CN108194363B (en) * | 2018-02-07 | 2024-05-28 | 珠海格力电器股份有限公司 | Screw compressor rotor and compressor with same |
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