CN204344459U - Helical-lobe compressor - Google Patents
Helical-lobe compressor Download PDFInfo
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- CN204344459U CN204344459U CN201420821498.3U CN201420821498U CN204344459U CN 204344459 U CN204344459 U CN 204344459U CN 201420821498 U CN201420821498 U CN 201420821498U CN 204344459 U CN204344459 U CN 204344459U
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- helical
- housing
- lobe compressor
- supporting rib
- rotor
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Abstract
The utility model provides a kind of helical-lobe compressor.Helical-lobe compressor comprises: housing, and housing has receiving cavity, and receiving cavity comprises rotor chamber, the second rotor chamber that rotor chamber comprises the first rotor chamber and is communicated with the first rotor chamber; Male rotor, male rotor is arranged at the inside in the first rotor chamber; Female rotor, female rotor engages with male rotor and arranges, and female rotor is arranged at the inside of the second rotor chamber; The sectional shape of housing is circular.According to the utility model, the problem that product reject rate of the prior art is higher can be solved.
Description
Technical field
The utility model relates to field of air conditioning, in particular to a kind of helical-lobe compressor.
Background technique
In prior art, the housing of helical-lobe compressor is irregular ellipse.
In above-mentioned design, on the one hand in the process of casting, due to the out-of-shape of housing, dispel the heat during casting uneven easy formation pore; On the other hand, because the shell body wall thickness ununiformity cast is even, conformity is poor, processing difficulties, and in the assembly process in later stage, reject rate is higher.
Model utility content
Main purpose of the present utility model is to provide a kind of helical-lobe compressor, to solve the higher problem of product reject rate of the prior art.
To achieve these goals, according to an aspect of the present utility model, a kind of helical-lobe compressor is provided, helical-lobe compressor comprises: housing, housing has receiving cavity, and receiving cavity comprises rotor chamber, the second rotor chamber that rotor chamber comprises the first rotor chamber and is communicated with the first rotor chamber; Male rotor, male rotor is arranged at the inside in the first rotor chamber; Female rotor, female rotor engages with male rotor and arranges, and female rotor is arranged at the inside of the second rotor chamber; The sectional shape of housing is circular.
Further, helical-lobe compressor also comprises: resonant cavity; Cavity, cavity is arranged on the inside of housing, and the internal face of cavity forms receiving cavity, and resonant cavity is arranged between the internal face of housing and the outer wall of cavity.
Further, helical-lobe compressor also comprises multiple resonant cavity, and multiple resonant cavity is arranged along the circumferential interval of housing.
Further, helical-lobe compressor also comprises multiple supporting rib, and multiple supporting rib is arranged on to form multiple resonant cavity between the internal face of housing and the outer wall of cavity, and one end of supporting rib is connected with housing, and the other end of supporting rib is connected with cavity.
Further, helical-lobe compressor also comprises guiding valve, receiving cavity also comprises: piston chamber, piston chamber is arranged on the below of rotor chamber and is communicated with rotor chamber, guiding valve is arranged on the inside of piston chamber, helical-lobe compressor comprises five supporting ribs, five supporting ribs comprise the first supporting rib, second supporting rib, 3rd supporting rib, 4th supporting rib and the 5th supporting rib, wherein, one end of first supporting rib is connected with the internal face of housing, the other end of the first supporting rib is connected with the outer wall of rotor chamber, one end of second supporting rib is connected with the internal face of housing, the other end of the second supporting rib is connected with the outer wall of rotor chamber, one end of 3rd supporting rib is connected with the internal face of housing, the other end of the 3rd supporting rib is connected with the outer wall of piston chamber, one end of 4th supporting rib is connected with the internal face of housing, the other end of the 4th supporting rib is connected with the outer wall of rotor chamber, one end of 5th supporting rib is connected with the internal face of housing, the other end of the 5th supporting rib is connected with the outer wall of rotor chamber.
Further, helical-lobe compressor also comprises the first stiffening rib, and the first stiffening rib is arranged on housing and along the axis of housing and extends.
Further, helical-lobe compressor comprises multiple first stiffening rib, and multiple first stiffening rib is arranged along the circumferential interval of housing.
Further, helical-lobe compressor also comprises the second stiffening rib, and the second stiffening rib is arranged on housing and along the circumference of housing and extends.
Further, housing also has oil supply hole, and helical-lobe compressor also comprises oil supply gallery, and oil supply gallery is communicated with to provide lubricant oil with oil supply hole.
Application the technical solution of the utility model, helical-lobe compressor comprises: housing, and housing has receiving cavity; Receiving cavity comprises rotor chamber, the second rotor chamber that rotor chamber comprises the first rotor chamber and is communicated with the first rotor chamber; Male rotor, male rotor is arranged at the inside in the first rotor chamber; Female rotor, female rotor engages with male rotor and arranges, and female rotor is arranged at the inside of the second rotor chamber; The sectional shape of housing is circular.Above-mentionedly arrange, the sectional shape because of housing is circular, and regular shape not easily occurs pore, the housing uniform wall thickness of formation on the one hand in the process of casting, and the conformity of product is better, and on the other hand, in the course of working in later stage, the reject rate of product is lower.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the main TV structure schematic diagram of the embodiment according to helical-lobe compressor of the present utility model; And
Fig. 2 shows the plan structure schematic diagram of the embodiment according to helical-lobe compressor of the present utility model.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
1, housing; 11, receiving cavity; 111, rotor chamber; 111a, the first rotor chamber; 111b, the second rotor chamber; 112, piston chamber; 2, resonant cavity; 3, cavity; 4, supporting rib; 41, the first supporting rib; 42, the second supporting rib; 43, the 3rd supporting rib; 44, the 4th supporting rib; 45, the 5th supporting rib; 5, the first stiffening rib; 6, the second stiffening rib; 7, oil supply hole; 8, the first flange; 9, the second flange.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
It should be noted that, herein " on ", D score, what refer to when the housing of helical-lobe compressor normally uses placement is upper and lower.
As depicted in figs. 1 and 2, the utility model provides a kind of helical-lobe compressor.Helical-lobe compressor comprises housing 1, male rotor and female rotor.Receiving cavity 11 comprises rotor chamber 111, the second rotor chamber 111b that rotor chamber 111 comprises the first rotor chamber 111a and is communicated with the first rotor chamber 111a; Male rotor is arranged at the inside of the first rotor chamber 111a; Female rotor engages with male rotor and arranges, and female rotor is arranged at the inside of the second rotor chamber 111b.The sectional shape of housing 1 is circular.
Above-mentionedly arrange, sectional shape because of housing 1 is circular, regular shape, in the process of casting, not easily occur pore, housing 1 uniform wall thickness of formation on the one hand, the conformity of product is better, on the other hand, in the course of working in later stage, the reject rate of product is lower.
Particularly, the housing 1 of the utility model embodiment is cylinder type.Housing 1 is set to cylinder type, not easily occurs pore, housing 1 uniform wall thickness of formation on the one hand in the process of casting, the conformity of product is better, and on the other hand, in the course of working in later stage, the reject rate of product is lower.
As shown in Figure 1, in the utility model embodiment, helical-lobe compressor also comprises resonant cavity 2 and cavity 3.Wherein, cavity 3 is arranged on the inside of housing 1, and the internal face of cavity 3 forms receiving cavity 11, and resonant cavity 2 is arranged between the internal face of housing 1 and the outer wall of cavity 3.
Above-mentionedly arrange, utilize resonant cavity 2, housing 1 becomes sound-proof wall, and the component movement in cavity 3 is isolated from the outside, can reach noise reduction and the object of vibration damping, helical-lobe compressor becomes double-wall structure.。
In the utility model embodiment, helical-lobe compressor also comprises multiple resonant cavity 2, and multiple resonant cavity 2 is arranged along the circumferential interval of housing 1.
As shown in Figure 1, in the utility model embodiment, helical-lobe compressor also comprises multiple supporting rib 4, and multiple supporting rib 4 is arranged between the internal face of housing 1 and the outer wall of cavity 3 to form multiple resonant cavity 2, one end of supporting rib 4 is connected with housing 1, and the other end of supporting rib 4 is connected with cavity 3.
Above-mentionedly to arrange, utilize supporting rib 4 can to guarantee the stability of helical-lobe compressor, avoid trembleing during vibration.Further, can ensure the intensity of the cavity 3 of helical-lobe compressor, ensure the needs that rotor high-speed rotates, stress balance, overall structure is stablized.
As shown in Figure 1, in the utility model embodiment, helical-lobe compressor also comprises guiding valve, and receiving cavity 11 comprises piston chamber 112.Piston chamber 112 to be arranged on below rotor chamber 111 and to be communicated with rotor chamber 111.Guiding valve is arranged on the inside of piston chamber 112.
Helical-lobe compressor comprises five supporting ribs, 4, five supporting ribs 4 and comprises the first supporting rib 41, second supporting rib 42, the 3rd supporting rib 43, the 4th supporting rib 44 and the 5th supporting rib 45.
Wherein, one end of first supporting rib 41 is connected with the internal face of housing 1, the other end of the first supporting rib 41 is connected with the outer wall of rotor chamber 111, one end of second supporting rib 42 is connected with the internal face of housing 1, the other end of the second supporting rib 42 is connected with the outer wall of rotor chamber 111, one end of 3rd supporting rib 43 is connected with the internal face of housing 1, the other end of the 3rd supporting rib 43 is connected with the outer wall of piston chamber 112, one end of 4th supporting rib 44 is connected with the internal face of housing 1, the other end of the 4th supporting rib 44 is connected with the outer wall of rotor chamber 111, one end of 5th supporting rib 45 is connected with the internal face of housing 1, the other end of the 5th supporting rib 45 is connected with the outer wall of rotor chamber 111.
In the utility model embodiment, particularly, one end of first supporting rib 41 is connected with the internal face of housing 1, the other end of the first supporting rib 41 be arranged on the outer wall of the first rotor chamber 111a with the joint between the second rotor chamber 111b and be connected, , one end of second supporting rib 42 is connected with the internal face of housing 1, the other end of the second supporting rib 42 is connected with the outer wall of the first rotor chamber 111a, one end of 3rd supporting rib 43 is connected with the internal face of housing 1, the other end of the 3rd supporting rib 43 is connected with the outer wall of piston chamber 112, one end of 4th supporting rib 44 is connected with the internal face of housing 1, the other end of the 4th supporting rib 44 is connected with the outer wall of the second rotor chamber 111b, one end of 5th supporting rib 45 is connected with the internal face of housing 1, the other end of the 5th supporting rib 45 is connected with the outer wall of the second rotor chamber 111b.
Above-mentionedly to arrange, utilize above-mentioned 5 supporting ribs the space between the outer wall of cavity 3 and the internal face of housing 1 can be separated into 5 resonant cavities.
5 resonant cavities comprise the first resonant cavity, the second resonant cavity, the 3rd resonant cavity, the 4th resonant cavity and the 5th resonant cavity.Wherein, first resonant cavity is between the first supporting rib 41 and the second supporting rib 42, second resonant cavity is between the second supporting rib 42 and the 3rd supporting rib 43,3rd resonant cavity is between the 3rd supporting rib 43 and the 4th supporting rib 44,4th resonant cavity is between the 4th supporting rib 44 and the 5th supporting rib 45, and the 5th resonant cavity is between the 5th supporting rib 45 and the first supporting rib 41.
Particularly, the first resonant cavity is identical with the shape of the 5th resonant cavity, and the volume of the second resonant cavity is less than the volume of the first resonant cavity, and the volume of the 3rd resonant cavity and the 4th resonant cavity is all less than the volume of the second resonant cavity.
Above-mentionedly arrange, piston chamber 112 and rotor chamber 111 are all wrapped up by resonant cavity, thus make housing 1 serve the effect of insulation board, the overall noise of whole helical-lobe compressor structure is less.
As shown in Figure 2, in the utility model embodiment, helical-lobe compressor also comprises the first stiffening rib 5, first stiffening rib 5 and is arranged on housing 1 and along the axis of housing 1 and extends.
Above-mentionedly to arrange, utilize the first stiffening rib 5 can to improve the intensity of housing 1.
As shown in Figure 2, in the utility model embodiment, helical-lobe compressor comprises multiple first stiffening rib 5, and multiple first stiffening rib 5 is arranged along the circumferential interval of housing 1.
As shown in Figure 2, in the utility model embodiment, helical-lobe compressor also comprises the second stiffening rib 6, second stiffening rib 6 and is arranged on housing 1 and along the circumference of housing 1 and extends.
Above-mentionedly to arrange, utilize the second stiffening rib 6 can to improve the intensity of housing 1.
Certainly, in the embodiment that the utility model does not provide, more second stiffening rib 6 can also be set according to actual needs.Multiple second stiffening rib 6 is arranged along the axially spaced-apart of housing 1.
As shown in Figure 2, in the utility model embodiment, housing 1 also has oil supply hole 7, and helical-lobe compressor also comprises oil supply gallery, and oil supply gallery is communicated with to provide lubricant oil with oil supply hole 7.
As shown in Figure 2, in the utility model embodiment, helical-lobe compressor also comprises the first flange 8 and the second flange 9.First flange 8 and the second flange 9 are separately positioned on the two ends of housing 1 to close housing 1.
Helical-lobe compressor machine of the present utility model effectively can reduce noise and the vibration of helical-lobe compressor, avoids outside first flange 8 of connection or the exercise load of the second flange 9 to be delivered on the inner cavity 3 placing rotor, improves the reliability of helical-lobe compressor.
As can be seen from the above description, the utility model the above embodiments achieve following technique effect: helical-lobe compressor comprises: housing, and housing has receiving cavity; Receiving cavity comprises rotor chamber, the second rotor chamber that rotor chamber comprises the first rotor chamber and is communicated with the first rotor chamber; Male rotor, male rotor is arranged at the inside in the first rotor chamber; Female rotor, female rotor engages with male rotor and arranges, and female rotor is arranged at the inside of the second rotor chamber; The sectional shape of housing is circular, helical-lobe compressor also comprises resonant cavity and cavity, wherein, cavity is arranged on the inside of housing, the internal face of cavity forms receiving cavity, resonant cavity is arranged between the internal face of housing and the outer wall of cavity, above-mentionedly arrange, sectional shape because of housing is circular, regular shape, not easily pore is there is on the one hand in the process of casting, the housing uniform wall thickness formed, the conformity of product is better, on the other hand, in the course of working in later stage, the reject rate of product is lower.
Further, by arranging resonant cavity, the object of noise-and-vibration-reduction can be played.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a helical-lobe compressor, described helical-lobe compressor comprises:
Housing (1), described housing (1) has receiving cavity (11), described receiving cavity (11) comprises rotor chamber (111), the second rotor chamber (111b) that described rotor chamber (111) comprises the first rotor chamber (111a) and is communicated with described the first rotor chamber (111a);
Male rotor, described male rotor is arranged at the inside of described the first rotor chamber (111a);
Female rotor, described female rotor engages with described male rotor and arranges, and described female rotor is arranged at the inside of described second rotor chamber (111b);
It is characterized in that, the sectional shape of described housing (1) is circular.
2. helical-lobe compressor according to claim 1, is characterized in that, described helical-lobe compressor also comprises:
Resonant cavity (2);
Cavity (3), described cavity (3) is arranged on the inside of described housing (1), the internal face of described cavity (3) forms described receiving cavity (11), and described resonant cavity (2) is arranged between the internal face of described housing (1) and the outer wall of described cavity (3).
3. helical-lobe compressor according to claim 2, is characterized in that, described helical-lobe compressor also comprises multiple described resonant cavity (2), and multiple described resonant cavity (2) is arranged along the circumferential interval of described housing (1).
4. helical-lobe compressor according to claim 3, it is characterized in that, described helical-lobe compressor also comprises multiple supporting rib (4), multiple described supporting rib (4) is arranged between the internal face of described housing (1) and the outer wall of described cavity (3) to form multiple described resonant cavity (2), one end of described supporting rib (4) is connected with described housing (1), and the other end of described supporting rib (4) is connected with described cavity (3).
5. helical-lobe compressor according to claim 4, is characterized in that, described helical-lobe compressor also comprises guiding valve, and described receiving cavity (11) also comprises:
Piston chamber (112), described piston chamber (112) is arranged on the below of described rotor chamber (111) and is communicated with described rotor chamber (111), and described guiding valve is arranged on the inside of described piston chamber (112),
Described helical-lobe compressor comprises five described supporting ribs (4), five described supporting ribs (4) comprise the first supporting rib (41), the second supporting rib (42), the 3rd supporting rib (43), the 4th supporting rib (44) and the 5th supporting rib (45)
Wherein, one end of described first supporting rib (41) is connected with the internal face of described housing (1), the other end of described first supporting rib (41) is connected with the outer wall of described rotor chamber (111), one end of described second supporting rib (42) is connected with the internal face of described housing (1), the other end of described second supporting rib (42) is connected with the outer wall of described rotor chamber (111), one end of described 3rd supporting rib (43) is connected with the internal face of described housing (1), the other end of described 3rd supporting rib (43) is connected with the outer wall of described piston chamber (112), one end of described 4th supporting rib (44) is connected with the internal face of described housing (1), the other end of described 4th supporting rib (44) is connected with the outer wall of described rotor chamber (111), one end of described 5th supporting rib (45) is connected with the internal face of described housing (1), the other end of described 5th supporting rib (45) is connected with the outer wall of described rotor chamber (111).
6. helical-lobe compressor according to any one of claim 1 to 4, it is characterized in that, described helical-lobe compressor also comprises the first stiffening rib (5), and described first stiffening rib (5) is arranged on the upper and axis along described housing (1) of described housing (1) and extends.
7. helical-lobe compressor according to claim 6, it is characterized in that, described helical-lobe compressor comprises multiple described first stiffening rib (5), and multiple described first stiffening rib (5) is arranged along the circumferential interval of described housing (1).
8. helical-lobe compressor according to any one of claim 1 to 4, it is characterized in that, described helical-lobe compressor also comprises the second stiffening rib (6), and described second stiffening rib (6) is arranged on the upper and circumference along described housing (1) of described housing (1) and extends.
9. helical-lobe compressor according to any one of claim 1 to 4, it is characterized in that, described housing (1) also has oil supply hole (7), described helical-lobe compressor also comprises oil supply gallery, and described oil supply gallery is communicated with to provide lubricant oil with described oil supply hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420821498.3U CN204344459U (en) | 2014-12-19 | 2014-12-19 | Helical-lobe compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420821498.3U CN204344459U (en) | 2014-12-19 | 2014-12-19 | Helical-lobe compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204344459U true CN204344459U (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420821498.3U Active CN204344459U (en) | 2014-12-19 | 2014-12-19 | Helical-lobe compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204344459U (en) |
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2014
- 2014-12-19 CN CN201420821498.3U patent/CN204344459U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |