CN103982435A - Compressor cylinder body end cover, compressor cylinder and compressor - Google Patents
Compressor cylinder body end cover, compressor cylinder and compressor Download PDFInfo
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- CN103982435A CN103982435A CN201410232115.3A CN201410232115A CN103982435A CN 103982435 A CN103982435 A CN 103982435A CN 201410232115 A CN201410232115 A CN 201410232115A CN 103982435 A CN103982435 A CN 103982435A
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- valve plate
- end cap
- exhaust valve
- mounting groove
- plate mounting
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- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention discloses a compressor cylinder body end cover, wherein a sliding sheet groove and an air suction hole are arranged on a cylinder body, an air exhaust hole is arranged on one end cover, the air suction hole and the air exhaust hole are respectively positioned on two sides of the sliding sheet groove, an air exhaust valve plate installation groove is arranged on the end cover corresponding to the air exhaust hole, and a main body of the air exhaust valve plate installation groove and the air suction hole are positioned on the same side of the sliding sheet groove. Also discloses a compressor cylinder, which comprises a cylinder body and the end cover. A compressor comprising the cylinder is also disclosed. The exhaust valve plate mounting groove is designed in the low-pressure cavity, namely, the exhaust valve plate mounting groove and the air suction hole are positioned on the same side of the slide plate groove, so that the stress condition of the exhaust valve plate mounting groove is improved, the influence of alternating stress in the cylinder on the exhaust valve plate mounting groove can be reduced, the phenomenon that the compressor is blocked or blocked due to large deformation of the exhaust valve plate mounting groove is avoided, the reliability of the compressor is improved, and the effect is more obvious when the exhaust valve plate mounting groove is applied to the compressor with a double-exhaust structure.
Description
Technical field
The present invention relates to compressor casing end cap, compresser cylinder and compressor.
Background technique
Fig. 1 shows the assembling situation of compressor casing and the end cap of prior art, and Fig. 2 is the partial sectional view of end cap in Fig. 1, to know, exhaust valve plate, exhaust valve plate mounting groove and exhaust port is shown.As depicted in figs. 1 and 2, the exhaust valve plate mounting groove 110 (being commonly called as " relief opening counterbore ") on existing compressor casing end cap 100 is arranged on hyperbaric chamber side, with cylinder body 200 on suction port 220 lay respectively at vane slot 210 both sides on cylinder body 200.Fig. 3 to Fig. 5 shows cylinder body and the end cap assembling situation in two row cylinder body structure, and as shown in the figure, the exhaust valve plate mounting groove on upper end cap 100A and lower end cap 100B is also all arranged on hyperbaric chamber side, shows in the drawings exhaust valve plate mounting groove bottom land 110A.The main purpose of doing is like this that opening direction when exhaust valve plate 111 is opened is consistent with compressor sense of rotation, reduces the air resistance of exhaust.But the long meeting of the height of exhaust port 120 causes clearance volume to increase, so producer all reduces the height of exhaust port 120 at present as far as possible, this has also just reduced the wall thickness H H of whole exhaust valve plate mounting groove bottom land 110A.In Fig. 2, FH represents end cap wall thickness.Can find out, in order to reduce clearance volume, the wall thickness H H of exhaust valve plate mounting groove bottom land 110A has reduced much than end cap wall thickness FH.
Such shortcoming is, the bottom land wall thickness of whole exhaust valve plate mounting groove is less, and end cap wall one side is being born the load that cylinder interior alternately changes, and frequency is consistent with the speed of compressor, opposite side is bearing the pressurized gas of baffler inside, and this can cause the irregular distortion of end cap wall.In the time that distortion is larger, can affect the gap of roller and end cap wall, when serious, cause stuck or do not start.And, in the end cap assembling situation of this double-exhaust pump body structure shown in Fig. 4, the exhaust valve plate mounting groove position of upper and lower end cap is relative, the deformation direction at exhaust valve plate mounting groove place is all pointed to cylinder body compression chamber, the gap control that this can further worsen roller and upper and lower end cap, causes often occurring stuck phenomenon after operation a period of time.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of compressor casing end cap, compresser cylinder and compressor, makes it possible to reduce the distortion at exhaust valve plate mounting groove place, improves the reliability of compressor.
For solving the problems of the technologies described above, the embodiment of the present invention provides a kind of compressor casing end cap, cylinder body is provided with vane slot and suction port, one end end cap is provided with exhaust port, described suction port and described exhaust port lay respectively at the both sides of described vane slot, on this end end cap, corresponding described exhaust port is provided with exhaust valve plate mounting groove, and the main body of described exhaust valve plate mounting groove and described suction port are positioned at described vane slot the same side.
The embodiment of the present invention also provides a kind of compressor casing end cap, cylinder body is provided with vane slot and suction port, on the end cap of two ends, be equipped with exhaust port, described suction port and described exhaust port lay respectively at the both sides of described vane slot, on the end cap of described two ends, corresponding described exhaust port is equipped with exhaust valve plate mounting groove, and described at least one, the main body of exhaust valve plate mounting groove and described suction port are positioned at described vane slot the same side.
The embodiment of the present invention also provides a kind of compresser cylinder, comprise cylinder body and end cap, described cylinder body is provided with vane slot and suction port, one end end cap is provided with exhaust port, described suction port and described exhaust port lay respectively at the both sides of described vane slot, on this end end cap, corresponding described exhaust port is provided with exhaust valve plate mounting groove, and the main body of described exhaust valve plate mounting groove and described suction port are positioned at described vane slot the same side.
The embodiment of the present invention also provides a kind of compresser cylinder, comprise cylinder body and end cap, described cylinder body is provided with vane slot and suction port, on the end cap of two ends, be equipped with exhaust port, described suction port and described exhaust port lay respectively at the both sides of described vane slot, on the end cap of described two ends, corresponding described exhaust port is equipped with exhaust valve plate mounting groove, and described at least one, the main body of exhaust valve plate mounting groove and described suction port are positioned at described vane slot the same side.
The embodiment of the present invention also provides a kind of compressor, comprise cylinder, described cylinder comprises cylinder body and end cap, described cylinder body is provided with vane slot and suction port, one end end cap is provided with exhaust port, described suction port and described exhaust port lay respectively at the both sides of described vane slot, and on this end end cap, corresponding described exhaust port is provided with exhaust valve plate mounting groove, and the main body of described exhaust valve plate mounting groove and described suction port are positioned at described vane slot the same side.
The embodiment of the present invention also provides a kind of compressor, comprise cylinder, described cylinder comprises cylinder body and end cap, described cylinder body is provided with vane slot and suction port, on the end cap of two ends, be equipped with exhaust port, described suction port and described exhaust port lay respectively at the both sides of described vane slot, and on the end cap of described two ends, corresponding described exhaust port is equipped with exhaust valve plate mounting groove, and described at least one, the main body of exhaust valve plate mounting groove and described suction port are positioned at described vane slot the same side.
The present invention is by designing exhaust valve plate mounting groove in low-pressure cavity, be in the same side of vane slot together with suction port, improve its stressing conditions, can reduce the impact on exhaust valve plate mounting groove of alternating stress in cylinder, avoid occurring being out of shape the stuck or vexed machine phenomenon of the compressor causing more greatly because of exhaust valve plate mounting groove place, improve the reliability of compressor, be applied on the compressor of double-exhaust structure effect more obvious.
Brief description of the drawings
Fig. 1 is the compressor casing of prior art and the assembling schematic diagram of end cap;
Fig. 2 is the partial sectional view of end cap in Fig. 1, to know, exhaust valve plate, exhaust valve plate mounting groove and exhaust port is shown;
Fig. 3 is compressor casing in the double-exhaust pump housing of prior art and the schematic top plan view of end cap;
Fig. 4 is the A-A sectional view of Fig. 3;
Fig. 5 is that the B of Fig. 4 is to view;
Fig. 6 is the compressor casing of the embodiment of the present invention and the assembling schematic diagram of end cap.
Description of reference numerals
100-end cap, 100A-upper end cap, 100B-lower end cap, 110-exhaust valve plate mounting groove, 110A-exhaust valve plate mounting groove bottom land, 111-exhaust valve plate, 120-exhaust port, 200-cylinder body, 210-vane slot, 220-suction port
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but not as a limitation of the invention.
Fig. 1 to Fig. 2 shows the compressor casing of prior art and the one of end cap assembling situation, as depicted in figs. 1 and 2, cylinder body 200 is provided with vane slot 210 and suction port 220, end cap 100 is provided with exhaust port 120, suction port 220 and exhaust port 120 lay respectively at the both sides of vane slot 210, on end cap 100, corresponding exhaust port 120 is provided with exhaust valve plate mounting groove 110, but its exhaust valve plate mounting groove 110 is arranged on hyperbaric chamber side, with cylinder body 200 on suction port 220 lay respectively at vane slot 210 both sides on cylinder body 200.As previously mentioned, this set can cause the irregular distortion of end cap wall, in the time that distortion is larger, can affect the gap of roller and end cap wall, when serious, cause stuck or does not start.
In order to overcome above-mentioned defect, the embodiment of the present invention one provides a kind of compressor casing end cap.Fig. 6 is the compressor casing of the embodiment of the present invention and the assembling schematic diagram of end cap, and compared with the structure shown in Fig. 1, its difference is only, the position of exhaust valve plate mounting groove.In the present embodiment, the main body of exhaust valve plate mounting groove and suction port 220 are positioned at vane slot 210 the same sides.In Fig. 6, show the exhaust valve plate 111 being arranged on exhaust valve plate mounting groove.
The embodiment of the present invention two provides a kind of compressor casing end cap, cylinder body is provided with vane slot and suction port, on the end cap of two ends, be equipped with exhaust port, suction port and exhaust port lay respectively at the both sides of vane slot, on the end cap of two ends, corresponding exhaust port is equipped with exhaust valve plate mounting groove, and the main body of at least one exhaust valve plate mounting groove and suction port are positioned at vane slot the same side.
The embodiment of the present invention three provides a kind of compresser cylinder, its cylinder body is provided with vane slot and suction port, one end end cap is provided with exhaust port, suction port and exhaust port lay respectively at the both sides of vane slot, on this end end cap, corresponding exhaust port is provided with exhaust valve plate mounting groove, and the main body of exhaust valve plate mounting groove and suction port are positioned at vane slot the same side.
The embodiment of the present invention four provides a kind of compresser cylinder, comprise cylinder body and end cap, cylinder body is provided with vane slot and suction port, on the end cap of two ends, be equipped with exhaust port, suction port and exhaust port lay respectively at the both sides of vane slot, on the end cap of two ends, corresponding exhaust port is equipped with exhaust valve plate mounting groove, and the main body of at least one exhaust valve plate mounting groove and suction port are positioned at vane slot the same side.
The embodiment of the present invention five provides a kind of compressor, comprise cylinder, cylinder comprises cylinder body and end cap, cylinder body is provided with vane slot and suction port, one end end cap is provided with exhaust port, suction port and exhaust port lay respectively at the both sides of vane slot, and on this end end cap, corresponding exhaust port is provided with exhaust valve plate mounting groove, and the main body of exhaust valve plate mounting groove and suction port are positioned at vane slot the same side.
The embodiment of the present invention six provides a kind of compressor, comprise cylinder, cylinder, cylinder comprises cylinder body and end cap, cylinder body is provided with vane slot and suction port, on the end cap of two ends, is equipped with exhaust port, and suction port and exhaust port lay respectively at the both sides of vane slot, on the end cap of two ends, corresponding exhaust port is equipped with exhaust valve plate mounting groove, and the main body of at least one exhaust valve plate mounting groove and suction port are positioned at vane slot the same side.
The present invention is by designing exhaust valve plate mounting groove in low-pressure cavity, be in the same side of vane slot together with suction port, improve its stressing conditions, can reduce the impact on exhaust valve plate mounting groove of alternating stress in cylinder, avoid occurring being out of shape the stuck or vexed machine phenomenon of the compressor causing more greatly because of exhaust valve plate mounting groove place, improve the reliability of compressor, be applied on the compressor of double-exhaust structure effect more obvious.
Certainly, be more than the preferred embodiment of the present invention, should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (6)
1. a compressor casing end cap, cylinder body is provided with vane slot and suction port, one end end cap is provided with exhaust port, described suction port and described exhaust port lay respectively at the both sides of described vane slot, on this end end cap, corresponding described exhaust port is provided with exhaust valve plate mounting groove, it is characterized in that, the main body of described exhaust valve plate mounting groove and described suction port are positioned at described vane slot the same side.
2. a compressor casing end cap, cylinder body is provided with vane slot and suction port, on the end cap of two ends, be equipped with exhaust port, described suction port and described exhaust port lay respectively at the both sides of described vane slot, on the end cap of described two ends, corresponding described exhaust port is equipped with exhaust valve plate mounting groove, it is characterized in that, described at least one, the main body of exhaust valve plate mounting groove and described suction port are positioned at described vane slot the same side.
3. a compresser cylinder, comprise cylinder body and end cap, described cylinder body is provided with vane slot and suction port, one end end cap is provided with exhaust port, described suction port and described exhaust port lay respectively at the both sides of described vane slot, on this end end cap, corresponding described exhaust port is provided with exhaust valve plate mounting groove, it is characterized in that, the main body of described exhaust valve plate mounting groove and described suction port are positioned at described vane slot the same side.
4. a compresser cylinder, comprise cylinder body and end cap, described cylinder body is provided with vane slot and suction port, on the end cap of two ends, be equipped with exhaust port, described suction port and described exhaust port lay respectively at the both sides of described vane slot, on the end cap of described two ends, corresponding described exhaust port is equipped with exhaust valve plate mounting groove, it is characterized in that, described at least one, the main body of exhaust valve plate mounting groove and described suction port are positioned at described vane slot the same side.
5. a compressor, comprise cylinder, described cylinder comprises cylinder body and end cap, described cylinder body is provided with vane slot and suction port, one end end cap is provided with exhaust port, and described suction port and described exhaust port lay respectively at the both sides of described vane slot, and on this end end cap, corresponding described exhaust port is provided with exhaust valve plate mounting groove, it is characterized in that, the main body of described exhaust valve plate mounting groove and described suction port are positioned at described vane slot the same side.
6. a compressor, comprise cylinder, described cylinder comprises cylinder body and end cap, described cylinder body is provided with vane slot and suction port, on the end cap of two ends, be equipped with exhaust port, described suction port and described exhaust port lay respectively at the both sides of described vane slot, and on the end cap of described two ends, corresponding described exhaust port is equipped with exhaust valve plate mounting groove, it is characterized in that, described at least one, the main body of exhaust valve plate mounting groove and described suction port are positioned at described vane slot the same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410232115.3A CN103982435A (en) | 2014-05-28 | 2014-05-28 | Compressor cylinder body end cover, compressor cylinder and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410232115.3A CN103982435A (en) | 2014-05-28 | 2014-05-28 | Compressor cylinder body end cover, compressor cylinder and compressor |
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| Publication Number | Publication Date |
|---|---|
| CN103982435A true CN103982435A (en) | 2014-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410232115.3A Pending CN103982435A (en) | 2014-05-28 | 2014-05-28 | Compressor cylinder body end cover, compressor cylinder and compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355385A (en) * | 2017-08-31 | 2017-11-17 | 广东美芝制冷设备有限公司 | Double-exhaust compression assembly and rotary compressor |
| WO2018072606A1 (en) * | 2016-10-17 | 2018-04-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and exhaust structure thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2154880A (en) * | 1935-12-24 | 1939-04-18 | Landers Frary & Clark | Valve |
| JPH0331597A (en) * | 1989-06-28 | 1991-02-12 | Matsushita Refrig Co Ltd | Rotary compressor |
| JPH10103275A (en) * | 1996-09-30 | 1998-04-21 | Sanyo Electric Co Ltd | Rotary compressor |
| CN1946940A (en) * | 2004-02-24 | 2007-04-11 | 松下电器产业株式会社 | Expander |
| JP2012140906A (en) * | 2010-12-29 | 2012-07-26 | Daikin Industries Ltd | Compressor |
| CN203978839U (en) * | 2014-05-28 | 2014-12-03 | 珠海凌达压缩机有限公司 | Compressor cylinder body end cover, compressor cylinder and compressor |
-
2014
- 2014-05-28 CN CN201410232115.3A patent/CN103982435A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2154880A (en) * | 1935-12-24 | 1939-04-18 | Landers Frary & Clark | Valve |
| JPH0331597A (en) * | 1989-06-28 | 1991-02-12 | Matsushita Refrig Co Ltd | Rotary compressor |
| JPH10103275A (en) * | 1996-09-30 | 1998-04-21 | Sanyo Electric Co Ltd | Rotary compressor |
| CN1946940A (en) * | 2004-02-24 | 2007-04-11 | 松下电器产业株式会社 | Expander |
| JP2012140906A (en) * | 2010-12-29 | 2012-07-26 | Daikin Industries Ltd | Compressor |
| CN203978839U (en) * | 2014-05-28 | 2014-12-03 | 珠海凌达压缩机有限公司 | Compressor cylinder body end cover, compressor cylinder and compressor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018072606A1 (en) * | 2016-10-17 | 2018-04-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and exhaust structure thereof |
| US11168692B2 (en) | 2016-10-17 | 2021-11-09 | Gree Grfen Refrigeration Technology Center Co., Ltd. Of Zhuhai | Compressor with exhaust structure having multiple rotating plates each containing exhaust ports with corresponding exhaust valves |
| CN107355385A (en) * | 2017-08-31 | 2017-11-17 | 广东美芝制冷设备有限公司 | Double-exhaust compression assembly and rotary compressor |
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Application publication date: 20140813 |
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| RJ01 | Rejection of invention patent application after publication |