CN219197642U - Air passage structure of rotary vane compressor - Google Patents
Air passage structure of rotary vane compressor Download PDFInfo
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- CN219197642U CN219197642U CN202320696417.0U CN202320696417U CN219197642U CN 219197642 U CN219197642 U CN 219197642U CN 202320696417 U CN202320696417 U CN 202320696417U CN 219197642 U CN219197642 U CN 219197642U
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Abstract
The utility model relates to the technical field of compressors, in particular to an air passage structure of a rotary vane compressor, which comprises the following components: the device comprises a rear end cover, a front shell, a cylinder body, a front bearing, a rear bearing and a rotor; the front shell is connected with the rear end cover, the cylinder body is arranged in the front shell and is hollow, the rotor is arranged in the cylinder body to form a compression cavity, a suction cavity is formed between the front shell and the front bearing, and a discharge cavity is formed between the rear end cover and the rear bearing; the middle part of the side surface of the front shell is provided with an air suction hole and an air suction channel, the rear end cover is provided with an air exhaust hole, the air suction channel is communicated with the air suction hole and the air suction cavity, the air exhaust hole is communicated with the air exhaust cavity, and the plane where the air suction hole is positioned and the plane where the air exhaust hole is positioned are mutually parallel. Through additionally setting up suction channel UNICOM suction port and suction cavity for refrigerant gas can be followed the suction port and get into the suction cavity in the suction channel, discharge from the exhaust hole through the exhaust cavity again, when satisfying external shape and installation demand, guarantee that rotary vane compressor can normally work.
Description
Technical Field
The utility model relates to the technical field of compressors, in particular to an air passage structure of a rotary vane compressor.
Background
The compressor is a driven fluid machine that lifts low pressure gas to high pressure gas and is the heart of the refrigeration system. The working process is generally as follows: the low-temperature low-pressure refrigerant gas is sucked from the air suction pipe, compressed through the movement of the rotor, and then discharged to the exhaust pipe to supply power for the refrigeration cycle. Generally including scroll, piston, vane, etc.
The air suction hole of the conventional scroll compressor is positioned in the middle of the front shell, the air suction hole of the rotary vane compressor is positioned at the front side of the front shell, the air suction hole is communicated with the air suction cavity to supply refrigerant gas to the compressor, and a specific customer has the requirement that the scroll compressor is required to be directly replaced by the rotary vane compressor, and the external shape and the installation mode of the original compressor cannot be changed; the structure of the vane compressor is different from that of the scroll compressor, so that the suction hole arranged at the middle position of the front shell cannot be directly communicated with the suction cavity at the front side, and normal operation is difficult.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the air passage structure of the rotary vane compressor is provided, and an air suction hole in the middle of the front shell is directly communicated with the front side air suction cavity.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: an air passage structure of a vane type compressor, comprising:
the device comprises a rear end cover, a front shell, a cylinder body, a front bearing, a rear bearing and a rotor;
the front shell is connected with the rear end cover, the cylinder body is arranged in the front shell, the inside of the cylinder body is hollow, the rotor is arranged in the cylinder body to form a compression cavity, an air suction cavity is formed between the front shell and the front bearing, and an air exhaust cavity is formed between the rear end cover and the rear bearing;
the air suction device comprises a front shell, and is characterized in that an air suction hole and an air suction channel are arranged in the middle of the side face of the front shell, an air exhaust hole is arranged on the rear end cover, the air suction channel is communicated with the air suction hole and the air suction cavity, the air exhaust hole is communicated with the air exhaust cavity, and the plane where the air suction hole is located is parallel to the plane where the air exhaust hole is located.
Further, the air suction channel comprises an outer channel and an inner channel, the outer channel is connected with the air suction hole, the inner channel is connected with the air suction cavity, and a certain included angle is formed between the outer channel and the inner channel.
Further, the central axis of the air suction hole and the central axis of the outer channel are perpendicular to each other.
Further, an included angle between the outer channel and the inner channel is an obtuse angle.
Further, the air suction hole is communicated with the side wall of the outer channel, a sealing hole is formed in the end portion, deviating from the inner channel, of the outer channel, and an air suction plug is arranged at the end portion of the sealing hole and used for plugging the sealing hole.
Further, the air suction hole is communicated with the end part of the outer channel, which is away from the inner channel.
Further, the thickness of the front shell is 3 mm-5 mm.
Further, an exhaust transition cavity is arranged between the front shell and the cylinder body and is communicated with the air suction cavity and the exhaust cavity.
Further, a sealing structure is arranged between the rear end cover and the front shell.
The beneficial effects of the utility model are as follows: according to the utility model, the suction hole is arranged in the middle of the side surface of the front shell, and the suction channel is additionally arranged to be communicated with the suction hole and the suction cavity, so that refrigerant gas can enter the suction cavity from the suction hole through the suction channel and then be discharged from the exhaust hole through the exhaust cavity under the action of the cylinder body and the rotor, and the rotary vane compressor can normally work while the external shape and the installation requirements are met.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic diagram of an air passage structure of a vane compressor according to an embodiment of the present utility model;
FIG. 2 is a left side view of the air passage structure of the vane compressor in accordance with an embodiment of the present utility model;
FIG. 3 is a cross-sectional view at A-A in FIG. 2;
FIG. 4 is a top view of the air passage structure of a vane compressor in accordance with an embodiment of the present utility model;
FIG. 5 is a cross-sectional view at B-B in FIG. 4;
FIG. 6 is a schematic view of an alternative vane compressor air passage configuration;
FIG. 7 is a left side view of an air passage structure of another form of vane compressor;
fig. 8 is a cross-sectional view at C-C in fig. 7.
Reference numerals: 01. a rear end cover; 02. a front housing; 03. a cylinder; 04. a front bearing; 05. a rear bearing; 06. a rotor; 07. a compression chamber; 08. an air suction cavity; 09. an exhaust chamber; 10. an air suction hole; 11. an air suction passage; 11a, an outer channel; 11b, an inner channel; 12. an exhaust hole; 13. sealing the hole; 14. an air suction plug; 15. and exhausting the transition cavity.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The air passage structure of the vane compressor as shown in fig. 1 to 8 includes:
the front shell 02 is connected with the rear end cover 01, the cylinder body 03 is arranged inside the front shell 02, the inside of the cylinder body 03 is hollow, the rotor 06 is arranged in the cylinder body 03 to form a compression cavity 07, a suction cavity 08 is formed between the front shell 02 and the front bearing 04, and a discharge cavity 09 is formed between the rear end cover 01 and the rear bearing 05;
wherein, the middle part of the side surface of the front shell 02 is provided with an air suction hole 10 and an air suction channel 11, the rear end cover 01 is provided with an air discharge hole 12, the air suction channel 11 is communicated with the air suction hole 10 and the air suction cavity 08, the air discharge hole 12 is communicated with the air discharge cavity 09, and the plane of the air suction hole 10 is parallel to the plane of the air discharge hole 12.
According to the utility model, the suction hole 10 is arranged in the middle of the side surface of the front shell 02, and the suction channel 11 is additionally arranged to be communicated with the suction hole 10 and the suction cavity 08, so that refrigerant gas can enter the suction cavity 08 from the suction hole 10 through the suction channel 11 and then be discharged from the exhaust hole 12 through the exhaust cavity 09 under the action of the cylinder 03 and the rotor 06, and the rotary vane compressor can normally work while the external shape and the installation requirements are met.
It should be noted that, the suction channel 11 is arranged according to the shape of the front housing 02, so as not to affect the external shape and installation requirement of the compressor, and the suction channel 11 should be located close to the suction hole 10, so as to avoid forming too long refrigerant air flow path.
On the basis of the above embodiment, the air suction channel 11 includes an outer channel 11a and an inner channel 11b, the outer channel 11a is connected with the air suction hole 10, the inner channel 11b is connected with the air suction cavity 08, a certain included angle is formed between the outer channel 11a and the inner channel 11b, the outer channel 11a is generally longer than the inner channel 11b in length, and mainly plays a role in communication, while the inner channel 11b mainly plays a role in transition, so that a smooth transition is formed between the outer channel 11a and the air suction cavity 08, and the air suction hole 10 and the air suction cavity 08 are communicated through the connection of the outer channel 11a and the inner channel 11 b.
The central axis of the air suction hole 10 and the central axis of the outer channel 11a are perpendicular to each other, so that the overall external shape and the installation requirement are not affected, and the refrigerant gas can directly enter the air suction channel 11 through the air suction hole 10.
As one of the arrangement modes, the included angle between the outer channel 11a and the inner channel 11b is an obtuse angle, at this time, due to the limitation of the arrangement position of the air suction hole 10, a height difference is formed between the air suction hole 10 and the air suction cavity 08, so that the inner channel 11b is arranged to be shorter, and can be in a short arc structure, and the inclined outer channel 11a is arranged to connect the inner channel 11b with the air suction hole 10, so as to form a communicating effect.
The air suction hole 10 is communicated with the side wall of the outer channel 11a, a sealing hole 13 is formed in the end part of the outer channel 11a, which is away from the inner channel 11b, and an air suction plug 14 is arranged at the end part of the sealing hole 13 and used for plugging the sealing hole 13; because the air suction hole 10 is communicated with the side wall of the outer channel 11a, the inner wall of the outer channel 11a is difficult to process at the position of the air suction hole 10, the air suction channel 11 is processed at the position of the sealing hole 13 by arranging the sealing hole 13, the processing process is simplified, and after the processing is finished, the sealing hole 13 is blocked, so that the sealing effect at the position of the air suction hole 10 is ensured.
As another arrangement of the air suction passage 11, the angle between the outer passage 11a and the inner passage 11b is a right angle, and at this time, the outer passage 11a is arranged at a level with the air suction hole 10, the inner passage 11b is arranged in a bent form, and both ends are respectively communicated with the outer passage 11a and the air suction chamber 08.
Wherein, the air suction hole 10 is communicated with the end part of the outer channel 11a, which is far away from the inner channel 11b, and when in processing, the outer channel 11a can be processed by one end far away from the air suction hole 10, namely the end of the inner channel 11b, and a plug is arranged for plugging after the processing is completed, so that the sealing effect is ensured.
On the basis of the embodiment, the thickness of the front shell 02 is 3-5 mm, so that the formed front shell 02 is thinner in wall thickness, on one hand, the whole weight of the compressor is reduced, the processing cost is reduced, and on the other hand, the sealing effect is guaranteed.
On the basis of the above embodiment, an exhaust transition cavity 15 is arranged between the front housing 02 and the cylinder 03, the exhaust transition cavity 15 is communicated with the air suction cavity 08 and the exhaust cavity 09, refrigerant gas enters the air suction cavity 08 from the air suction hole 10, and under the action of the cylinder 03 and the rotor 06, high-pressure refrigerant gas is formed in the exhaust transition cavity 15 and is discharged through the exhaust cavity 09 and the exhaust hole 12.
On the basis of the embodiment, a sealing structure is arranged between the rear end cover 01 and the front shell 02, the sealing structure is generally a sealing ring, the rear end cover 01 is provided with a sealing groove, the sealing ring is limited in the sealing groove and is abutted on the inner side wall of the front shell 02, so that a sealing effect between the rear end cover 01 and the front shell 02 is formed, air leakage is avoided, and the working stability of the compressor is ensured.
It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. An air passage structure of a vane type compressor, comprising:
the device comprises a rear end cover, a front shell, a cylinder body, a front bearing, a rear bearing and a rotor;
the front shell is connected with the rear end cover, the cylinder body is arranged in the front shell, the inside of the cylinder body is hollow, the rotor is arranged in the cylinder body to form a compression cavity, an air suction cavity is formed between the front shell and the front bearing, and an air exhaust cavity is formed between the rear end cover and the rear bearing;
the air suction device comprises a front shell, and is characterized in that an air suction hole and an air suction channel are arranged in the middle of the side face of the front shell, an air exhaust hole is arranged on the rear end cover, the air suction channel is communicated with the air suction hole and the air suction cavity, the air exhaust hole is communicated with the air exhaust cavity, and the plane where the air suction hole is located is parallel to the plane where the air exhaust hole is located.
2. The air passage structure of the vane type compressor as set forth in claim 1, wherein the suction passage includes an outer passage and an inner passage, the outer passage is connected to the suction hole, the inner passage is connected to the suction chamber, and an angle is formed between the outer passage and the inner passage.
3. The air passage structure of the vane type compressor as claimed in claim 2, wherein the central axis of the suction hole and the central axis of the outer passage are disposed perpendicular to each other.
4. The air passage structure of the vane type compressor as claimed in claim 3, wherein an included angle between the outer passage and the inner passage is an obtuse angle.
5. The air passage structure of the vane compressor of claim 4, wherein the suction hole is communicated with a side wall of the outer passage, a sealing hole is formed at an end part of the outer passage, which is away from the inner passage, and a suction plug is arranged at an end part of the sealing hole for plugging the sealing hole.
6. An air passage structure of a vane type compressor as set forth in claim 3, wherein an angle between the outer passage and the inner passage is a right angle.
7. The air passage structure of the vane compressor of claim 4, wherein the suction hole communicates with an end of the outer passage facing away from the inner passage.
8. The air passage structure of the vane compressor as set forth in claim 1, wherein the front housing has a thickness of 3mm to 5mm.
9. The air passage structure of the vane compressor of claim 1, wherein an exhaust transition chamber is provided between the front housing and the cylinder, the exhaust transition chamber communicating with the suction chamber and the exhaust chamber.
10. The air passage structure of the vane compressor of claim 1, wherein a sealing structure is provided between the rear end cover and the front housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320696417.0U CN219197642U (en) | 2023-03-31 | 2023-03-31 | Air passage structure of rotary vane compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320696417.0U CN219197642U (en) | 2023-03-31 | 2023-03-31 | Air passage structure of rotary vane compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219197642U true CN219197642U (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320696417.0U Active CN219197642U (en) | 2023-03-31 | 2023-03-31 | Air passage structure of rotary vane compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219197642U (en) |
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2023
- 2023-03-31 CN CN202320696417.0U patent/CN219197642U/en active Active
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