CN203453060U - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
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- CN203453060U CN203453060U CN201320511163.7U CN201320511163U CN203453060U CN 203453060 U CN203453060 U CN 203453060U CN 201320511163 U CN201320511163 U CN 201320511163U CN 203453060 U CN203453060 U CN 203453060U
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- cylinder
- rotary compressor
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- exhaust
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Abstract
The utility model discloses a rotary compressor. The rotary compressor comprises an air cylinder, wherein the air cylinder is provided with an air exhausting notch; the air exhausting notch is an inclined notch which is inclined linearly on the section in the vertical direction from inside to outside; the air cylinder is provided with a slide sheet groove; a bearing or a middle separation plate is arranged on the upper end face of the air cylinder; an air exhausting hole is formed in the bearing or the middle separation plate; the projection outline of the air exhausting notch on the end face of the air cylinder is less than or equal to the projection outline of the air exhausting hole in the end face of the air cylinder. According to the rotary compressor disclosed by the utility model, the air exhausting flow resistance loss and the over-compression loss of the rotary compressor are small; the compressor is low in power consumption and high in performance.
Description
Technical field
The utility model relates to compressor field, especially relates to a kind of rotary compressor.
Background technique
At present, existing rotary compressor is due to the restriction of structure, when cylinder carries out exhaust, when air-flow at a high speed enters the exhaust port of bearing or central diaphragm from cylinder exhaust otch, there are approximate 90 ° of turnings in gas flow direction, gas flow drag losses is increased greatly, and overcompression loss increases, compressor operating hydraulic performance decline.
Model utility content
The utility model is intended at least solve one of technical problem existing in prior art.
For this reason, the utility model need to provide a kind of rotary compressor, and the cylinder exhaust fluid resistance losses of this rotary compressor and overcompression loss are little, and compressor power consumption is low, and performance is high.
According to rotary compressor of the present utility model, comprising: cylinder, described cylinder has exhaust otch, and described exhaust notch shape becomes the angular cut that from inside to outside straight line tilts on the cross section of vertical direction, on described cylinder, has vane slot; The bearing or the central diaphragm that are located at cylinder upper-end surface, be formed with exhaust port on described bearing or central diaphragm, and the projected outline of wherein said exhaust otch on described cylinder end face is less than or equal to the projected outline of described exhaust port on described cylinder end face.
According to embodiment's of the present utility model rotary compressor, on the cross section of vertical direction, exhaust notch shape becomes the angular cut that from inside to outside straight line tilts, and the true dip direction of this angular cut is roughly identical with the discharge directions of cylinder, like this, cylinder is in exhaust process, pressurized gas can be along exhaust otch, and straight line tilts and discharges swimmingly, can effectively reduce thus discharge flow resistance loss and overcompression loss, thereby reduce compressor power consumption, improve compressor performance.In addition, by making the projected outline of exhaust otch on cylinder end face be less than or equal to the projected outline of exhaust port on cylinder end face, thereby the water conservancy diversion enlarged areas of exhaust port can be made, overcompression loss can be further reduced like this, thereby reduce compressor power consumption, improve compressor performance.
In addition, according to rotary compressor of the present utility model, also can there is following additional technical feature:
According to an embodiment of the present utility model, the elongation line of the rotating center axis of described exhaust otch is not by described cylinder axis.Like this, the true dip direction of angular cut and the discharge directions of high pressure draught are more identical.
According to an embodiment of the present utility model, the projection of the rotating center axis of described exhaust otch on described cylinder end face and the angle between described vane slot center line are greater than 90 °.Like this, in gas to be compressed in cylinder, can after effective compression of piston, through exhaust otch, discharge, discharge more smooth and easy.
According to an embodiment of the present utility model, the outward-dipping extension setting of described exhaust port.
According to an embodiment of the present utility model, the angle between the axis of described exhaust port and the lower end surface of described bearing or central diaphragm is acute angle.Thus, the air-flow of discharging from cylinder can be discharged by exhaust port more swimmingly, and then effectively reduces discharge flow resistance loss and overcompression loss, thereby reduces compressor power consumption, improves compressor performance.Can reduce in addition high velocity air because directly impacting the energy loss that exhaust valve plate causes, improve the aerodynamic noise in exhaust process.
According to an embodiment of the present utility model, the true dip direction almost parallel of the true dip direction of described exhaust port and described angular cut.
According to an embodiment of the present utility model, the exit end face ovalize of described exhaust port.Can better to pressurized gas, carry out water conservancy diversion thus, the pressurized gas of discharging from cylinder exhaust otch can be discharged to exhaust port more swimmingly, more effectively reduce discharge flow resistance loss and overcompression loss, thereby further reduce compressor power consumption, improve compressor performance.
According to an embodiment of the present utility model, the exit end face of described exhaust port is rounded.Manufacture thus easily simple.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination obviously and is easily understood becoming embodiment's description, wherein:
Fig. 1 is according to an embodiment's of the utility model cylinder and the sectional view of bearing;
Fig. 2 is according to the plan view of an embodiment's of the utility model cylinder;
Fig. 3 is according to the plan view of an embodiment's of the utility model cylinder, and it shows the projected outline schematic diagram of exhaust port on its end face;
Fig. 4 is according to the structure sectional view of an embodiment's of the utility model bearing and exhaust port;
Fig. 5 is according to the exit end face schematic diagram of an embodiment's of the utility model exhaust port;
Fig. 6 is the exit end face schematic diagram according to another embodiment's of the utility model exhaust port.
Description of reference numerals:
Embodiment
Describe embodiment of the present utility model below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment who is described with reference to the drawings, be exemplary, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " axially ", " on ", orientation or the position relationship of the indication such as D score, " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
Below with reference to Fig. 1-Fig. 6, describe according to the utility model embodiment's rotary compressor.As shown in Figure 1, according to the utility model embodiment's rotary compressor, comprise cylinder 1 and the bearing 2 that is located at cylinder 1 upper-end surface, cylinder 1 has exhaust otch 11 and vane slot 12, is formed with exhaust port 21 on bearing 2.Wherein, be understandable that, when compressor has two cylinder 1, can also comprise central diaphragm, wherein on central diaphragm, be also formed with exhaust port 21.
In addition, rotary compressor also comprises: be arranged on piston in cylinder 1 chamber, be arranged on the slide plate 3 in vane slot 12 and be arranged on bearing 2 or central diaphragm and hide the exhaust valve plate 4 of exhaust port 21, and above exhaust valve plate 4 for limiting the structures such as baffle plate 5 of exhaust valve plate 4 movement travels.Because this part can be prior art, be not described in detail in this.
According to embodiment's of the present utility model rotary compressor, on the cross section of vertical direction as shown in Figure 1, exhaust otch 11 forms the angular cut that from inside to outside straight line tilts, the true dip direction of this angular cut is roughly identical with the discharge directions of cylinder 1, wherein, as shown in Figure 1, line L1 is the projection line of exhaust otch 11 on the cross section of vertical direction.Like this, cylinder 1 is in exhaust process, and pressurized gas can be along exhaust otch 11, and straight line tilts and discharges swimmingly, can effectively reduce thus discharge flow resistance loss and overcompression loss, thereby reduce compressor power consumption, improves compressor performance.
As shown in Figure 2, exhaust otch 11 is formed on the top of cylinder 1 inwall, on the plan view of cylinder 1, the contour projection of exhaust otch 11 on cylinder 1 end face forms camber line (the curve Q1 in figure is the contour projection of exhaust otch 11 on cylinder 1 end face).
Further, the projected outline of the exhaust port 21 that the projected outline of exhaust otch 11 on cylinder 1 end face is less than or equal to bearing 2 or central diaphragm on cylinder 1 end face, particularly, in a concrete example shown in Fig. 3, the right hand edge of the projected outline of the exhaust otch 11 that the right hand edge of the projected outline of the exhaust port 21 on bearing 2 or central diaphragm on cylinder 1 end face can surpass cylinder 1 on cylinder 1 end face, or the right hand edge of the projected outline of the exhaust port on bearing 2 or central diaphragm 21 on cylinder 1 end face can be with the exhaust otch 11 of cylinder 1 right hand edge of the projected outline on cylinder 1 end face overlap.Wherein, in figure, dotted circle Q2 is the projected outline of exhaust port 21 on cylinder 1 end face, the projected outline that dash area in figure is exhaust port 21 is greater than the part of exhaust otch 11 projected outlines, this part water conservancy diversion region that namely exhaust port 21 increases, that is to say, by making the projected outline of exhaust port 21 on cylinder 1 end face be more than or equal to the projected outline of exhaust otch 11 on cylinder 1 end face, can make the water conservancy diversion enlarged areas of exhaust port 21, can further reduce like this overcompression loss, thereby reduce compressor power consumption, improve compressor performance.
Further, the elongation line of the rotating center axis of exhaust otch 11 is not by cylinder 1 center.Wherein it should be noted that, the center of this cylinder 1 is the center of circle of the plan view of cylinder 1.Like this, the true dip direction of angular cut and the discharge directions of high pressure draught are more identical.
As shown in Figure 3, the projection of the rotating center axis of exhaust otch 11 on cylinder 1 end face and the angle α between vane slot 12 center lines are greater than 90 °.Its center line L2 is the rotating center axis of exhaust otch 11 projection line on cylinder 1 end face, and line L3 is the center line of vane slot 12.Thus the particular location of exhaust otch 11, concrete structure are further determined, like this, in the gas to be compressed in cylinder 1, can after effective compression of piston, through exhaust otch 11, be discharged, discharge more smooth and easy.
As shown in Figure 4, in preferred embodiments more of the present utility model, the outward-dipping extension setting of exhaust port 21.Wherein, the described direction of pointing to away from cylinder 1 center that outwards refers to.The true dip direction of exhaust port 21 is roughly consistent with the direction of air-flow, that is to say the axis true dip direction of this exhaust port 21 and the true dip direction almost parallel of angular cut.Wherein, as shown in Figure 4, the angle between the axis of exhaust port 21 and the lower end surface of bearing 2 or central diaphragm is acute angle.Thus, the air-flow of discharging from cylinder 1 can be discharged by exhaust port 21 more swimmingly, and then effectively reduces discharge flow resistance loss and overcompression loss, thereby reduces compressor power consumption, improves compressor performance.Can reduce in addition high velocity air because directly impacting the energy loss that exhaust valve plate 4 causes, improve the aerodynamic noise in exhaust process.
Further, in example as shown in Figure 5, the exit end face of the exhaust port 21 on bearing 2 or central diaphragm is rounded, that is to say, the internal diameter cross section of exhaust port 21 is circular, manufactures thus easily simple.Preferably, in example as shown in Figure 6, the exit end face ovalize of the exhaust port 21 on bearing 2 or central diaphragm, that is to say, the internal diameter cross section of exhaust port 21 is oval.Ovalisation is done in exhaust port on bearing 2 or central diaphragm 21 internal diameter cross sections, can better to pressurized gas, carry out water conservancy diversion, make the pressurized gas of discharging from cylinder 1 exhaust otch 11 can be discharged to more swimmingly exhaust port 21, more effectively reduce discharge flow resistance loss and overcompression loss, thereby further reduce compressor power consumption, improve compressor performance.Can further reduce in addition high velocity air because directly impacting the energy loss that exhaust valve plate 4 causes, thereby reduce compressor power consumption, improve the aerodynamic noise in exhaust process.
According to other configuration examples of the utility model embodiment's rotary compressor as the structures such as housing, motor, bent axle and between annexation, and the operation of rotary compressor is all known for those of ordinary skills, no longer describes in detail here.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiments or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiments, scope of the present utility model is limited by claim and equivalent thereof.
Claims (8)
1. a rotary compressor, is characterized in that, comprising:
Cylinder, described cylinder has exhaust otch, and described exhaust notch shape becomes the angular cut that from inside to outside straight line tilts on the cross section of vertical direction, on described cylinder, has vane slot;
The bearing or the central diaphragm that are located at cylinder upper-end surface, be formed with exhaust port on described bearing or central diaphragm, and the projected outline of wherein said exhaust otch on described cylinder end face is less than or equal to the projected outline of described exhaust port on described cylinder end face.
2. rotary compressor according to claim 1, is characterized in that, the elongation line of the rotating center axis of described exhaust otch is not by described cylinder axis.
3. rotary compressor according to claim 1, is characterized in that, the projection of the rotating center axis of described exhaust otch on described cylinder end face and the angle between described vane slot center line are greater than 90 °.
4. according to the rotary compressor described in any one in claim 1-3, it is characterized in that the outward-dipping extension setting of described exhaust port.
5. rotary compressor according to claim 4, is characterized in that, the angle between the axis of described exhaust port and the lower end surface of described bearing or central diaphragm is acute angle.
6. rotary compressor according to claim 4, is characterized in that, the true dip direction almost parallel of the true dip direction of described exhaust port and described angular cut.
7. rotary compressor according to claim 4, is characterized in that, the exit end face ovalize of described exhaust port.
8. rotary compressor according to claim 4, is characterized in that, the exit end face of described exhaust port is rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320511163.7U CN203453060U (en) | 2013-08-20 | 2013-08-20 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320511163.7U CN203453060U (en) | 2013-08-20 | 2013-08-20 | Rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203453060U true CN203453060U (en) | 2014-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320511163.7U Expired - Lifetime CN203453060U (en) | 2013-08-20 | 2013-08-20 | Rotary compressor |
Country Status (1)
| Country | Link |
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| CN (1) | CN203453060U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275821A (en) * | 2014-06-27 | 2016-01-27 | Lg电子株式会社 | Compressor |
| CN107044422A (en) * | 2016-09-18 | 2017-08-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body structure and compressor |
| CN107091230A (en) * | 2017-06-30 | 2017-08-25 | 广东美芝制冷设备有限公司 | Compressor and the refrigerating plant with it |
| CN107100842A (en) * | 2017-06-30 | 2017-08-29 | 广东美芝制冷设备有限公司 | The compression mechanism of compressor and the compressor with it |
-
2013
- 2013-08-20 CN CN201320511163.7U patent/CN203453060U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275821A (en) * | 2014-06-27 | 2016-01-27 | Lg电子株式会社 | Compressor |
| US10012232B2 (en) | 2014-06-27 | 2018-07-03 | Lg Electronics Inc. | Compressor |
| CN107044422A (en) * | 2016-09-18 | 2017-08-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body structure and compressor |
| CN107091230A (en) * | 2017-06-30 | 2017-08-25 | 广东美芝制冷设备有限公司 | Compressor and the refrigerating plant with it |
| CN107100842A (en) * | 2017-06-30 | 2017-08-29 | 广东美芝制冷设备有限公司 | The compression mechanism of compressor and the compressor with it |
| CN107100842B (en) * | 2017-06-30 | 2020-03-06 | 广东美芝制冷设备有限公司 | Compression mechanism of compressor and compressor with same |
| CN107091230B (en) * | 2017-06-30 | 2020-03-06 | 广东美芝制冷设备有限公司 | Compressor and refrigerating device with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |
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| CX01 | Expiry of patent term |