CN103438004A - Rotary compressor and bearing thereof as well as exhaust valve plate for bearing - Google Patents
Rotary compressor and bearing thereof as well as exhaust valve plate for bearing Download PDFInfo
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- CN103438004A CN103438004A CN2013103934136A CN201310393413A CN103438004A CN 103438004 A CN103438004 A CN 103438004A CN 2013103934136 A CN2013103934136 A CN 2013103934136A CN 201310393413 A CN201310393413 A CN 201310393413A CN 103438004 A CN103438004 A CN 103438004A
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- rotary compressor
- tinsel
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Abstract
The invention discloses an exhaust valve plate for a bearing of a rotary compressor, the bearing with the exhaust valve plate for the rotary compressor, and the rotary compressor with the bearing. The exhaust valve plate for the bearing of the rotary compressor comprises metal plates and plastic valve plate bodies, wherein the plastic valve plate bodies wrap at least one parts of the metal plates through injection. According to the exhaust valve plate for the bearing of the rotary compressor, disclosed by the embodiment of the invention, the plastic valve plate bodies wrap the metal plates through the injection, the rigidity of the valve plates is ensured, and the structure is compact, simple and reasonable.
Description
Technical field
The present invention relates to the Compressor Manufacturing technical field, particularly relate to a kind of bearing for rotary compressor exhaust valve plate, there is the bearing for rotary compressor of this exhaust valve plate and the rotary compressor with this bearing.
Background technique
In existing compressor arrangement, in order to reduce the clearance volume at bearing exhaust port place, existing exhaust valve plate is covered to end, bearing exhaust port place and manufacture and there is the bump that adapts with the exhaust port shape to reduce clearance volume.The bump of the exhaust valve plate of metal material is by the mould punching moulding, and the defect of this valve block is the poor sealing of valve block end, easily leaks.
For this problem, adopt the exhaust valve plate of plastic material, its bump that covers the exhaust port upper end portion is along with the injection molded type of whole exhaust valve plate, because the injection molding performance is good, this has just solved the bad leakage problem caused of above-mentioned metal exhaust valve plate end bump mould punching moulding, overlays with valve metal film the problem that has solved plastic exhaust valve plate rigidity deficiency on plastic exhaust valve plate simultaneously.
But above-mentioned head has the metal exhaust valve plate of bump to have the end leakage problem, the double-layer exhaust valve plate structure that metal and plastics are formed by stacking in addition may cause that noise worsens, and has the shortcoming such as assembly technology complexity.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, one object of the present invention is to propose a kind of exhaust valve plate of the bearing for rotary compressor of simple in structure, good rigidly.
Another object of the present invention is to propose a kind of bearing for rotary compressor.
A further object of the present invention is to propose a kind of rotary compressor.
Exhaust valve plate according to the bearing for rotary compressor of the embodiment of the present invention, comprising: tinsel; With the plastic valve plate body, described plastic valve plate body coats at least a portion of described tinsel by injection moulding; Wherein, there is through hole on described tinsel or described plastic valve plate body.
Exhaust valve plate according to the bearing for rotary compressor of the embodiment of the present invention, by injection moulding clad metal sheet, guaranteed the rigidity of valve block, compact structure, advantages of simple by the plastic valve plate body.
In addition, the exhaust valve plate of the bearing for rotary compressor according to the above embodiment of the present invention can also have following additional technical characteristics:
According to an example of the present invention, there is the protuberance that is positioned at described tinsel left side and protrudes from the lower surface of described plastic valve plate body on described plastic valve plate body.
According to an example of the present invention, described protuberance is configured to cylindrical.
According to an example of the present invention, described protuberance is configured to frustoconic shape.
According to an example of the present invention, described plastic valve plate body coats the left end of described tinsel and the right-hand member through hole that described through hole is formed on described tinsel by injection moulding.
According to an example of the present invention, the left side of described tinsel is concordant.
According to an example of the present invention, the left side of described tinsel has the first inner fovea part.
According to an example of the present invention, the left side of described tinsel has the first male part.
According to an example of the present invention, described plastic valve plate body coats the whole of described tinsel by injection moulding, and described through hole is formed on described plastic valve plate body and is positioned at the right side through hole of described tinsel.
According to an example of the present invention, described tinsel is configured to the cuboid tinsel.
According to an example of the present invention, the left side of described cuboid tinsel and right side have respectively the second inner fovea part.
According to an example of the present invention, the left side of described cuboid tinsel and right side have respectively the second male part.
According to an example of the present invention, described tinsel is stainless steel sheets or alloy-steel sheet.
According to an example of the present invention, M<N and A≤B, wherein, the thickness that N is described plastic valve plate body, the thickness that M is described tinsel, the width that B is described plastic valve plate body, the width of the described tinsel of A.
According to an example of the present invention, D≤1/4 (N-M), wherein, the spacing of the central plane of the central plane of the thickness direction that D is described plastic valve plate body and the thickness direction of described tinsel.
According to the bearing for rotary compressor of the embodiment of the present invention, comprise the exhaust valve plate of the described bearing for rotary compressor of above-mentioned any one.
According to the rotary compressor of the embodiment of the present invention, comprise the above-mentioned bearing for rotary compressor.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
The accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming embodiment's description in conjunction with following accompanying drawing, wherein:
Fig. 1 is according to an embodiment of the invention for the schematic diagram of the exhaust valve plate of the bearing of rotary compressor;
Fig. 2 is according to another embodiment of the present invention for the schematic diagram of the exhaust valve plate of the bearing of rotary compressor;
Fig. 3 is according to an embodiment of the invention for a kind of schematic diagram of tinsel of the exhaust valve plate of the bearing of rotary compressor;
Fig. 4 is according to an embodiment of the invention for another schematic diagram of tinsel of the exhaust valve plate of the bearing of rotary compressor;
Fig. 5 is according to an embodiment of the invention for the another schematic diagram of tinsel of the exhaust valve plate of the bearing of rotary compressor;
Fig. 6 is the schematic diagram according to the exhaust valve plate of the bearing for rotary compressor of further embodiment of this invention;
Fig. 7 is the schematic diagram of the exhaust valve plate of the bearing for rotary compressor according to yet another embodiment of the invention;
Fig. 8 is the plan view of Fig. 6 or Fig. 7;
Fig. 9 is a kind of schematic diagram of tinsel according to the exhaust valve plate of the bearing for rotary compressor of further embodiment of this invention;
Figure 10 is another schematic diagram of tinsel according to the exhaust valve plate of the bearing for rotary compressor of further embodiment of this invention;
Figure 11 is the another schematic diagram of tinsel according to the exhaust valve plate of the bearing for rotary compressor of further embodiment of this invention;
Figure 12 is according to an embodiment of the invention for the schematic diagram of the bearing of rotary compressor.
Embodiment
Below describe embodiments of the invention in detail, described embodiment's example is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment who is described with reference to the drawings, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center ", " vertically ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, broad understanding should be done in the terms such as term " installation ", " being connected ", " connection ", " fixing ", for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also to be electrically connected to; Can be directly to be connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only mean that the First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic directly over Second Characteristic and oblique upper, or only mean that the First Characteristic level height is less than Second Characteristic.
Describe the exhaust valve plate 300 according to the bearing for rotary compressor of the embodiment of the present invention in detail below with reference to accompanying drawing.
As shown in Figure 1 to 11, the exhaust valve plate 300 according to the bearing for rotary compressor of the embodiment of the present invention, comprising: tinsel 11,12 and plastic valve plate body 21,22.Plastic valve plate body 21,22 is by least a portion of injection moulding clad metal sheet 11,12.Wherein, as shown in Figure 1 or 2, there is through hole 111 on tinsel 11; As shown in Fig. 6 or Fig. 7, there is through hole 223 on plastic valve plate body 22.Through hole 111,223 is arranged on the bearing for rotary compressor according to the embodiment of the present invention for making according to the exhaust valve plate 300 of the bearing for rotary compressor of the embodiment of the present invention.
Exhaust valve plate according to the bearing for rotary compressor of the embodiment of the present invention, by the plastic valve plate body by injection moulding clad metal sheet, guaranteed the rigidity of valve block, compact structure, advantages of simple, in the time of on the exhaust valve plate of the bearing for rotary compressor according to the embodiment of the present invention is installed to for the bearing of rotary compressor, reduce the noise of exhaust valve plate beating valve seat, improved overall performance.
As shown in Figure 1, Figure 2, shown in Fig. 6 and Fig. 7, plastic valve plate body 21, there is the tinsel of being positioned at 11 on 22,12 left sides (left shown in Fig. 6 and Fig. 7 as shown in Figure 1, Figure 2) side and protrude from plastic valve plate body 21, the protuberance 211 on (below shown in Fig. 6 and Fig. 7 as shown in Figure 1, Figure 2) surface under 22,212,221,222.
Specifically, as shown in Figure 1, there is the protuberance 211 that is positioned at tinsel 11 left sides and protrudes from the lower surface of plastic valve plate body 21 on plastic valve plate body 21.As shown in Figure 2, there is the protuberance 212 that is positioned at tinsel 11 left sides and protrudes from the lower surface of plastic valve plate body 21 on plastic valve plate body 21.As shown in Figure 6, there is the protuberance 221 that is positioned at tinsel 12 left sides and protrudes from the lower surface of plastic valve plate body 22 on plastic valve plate body 22.As shown in Figure 7, there is the protuberance 222 that is positioned at tinsel 12 left sides and protrudes from the lower surface of plastic valve plate body 22 on plastic valve plate body 22.
Further, as shown in Figure 1, according to an example of the present invention, protuberance 211 is configured to cylindrical.As shown in Figure 6, according to an example of the present invention, protuberance 221 is configured to cylindrical.As shown in Figure 2, according to another example of the present invention, protuberance 212 is configured to frustoconic shape.As shown in Figure 7, according to an example of the present invention, protuberance 222 is configured to cylindrical.
Here it should be noted that to there is exhaust port on the bearing for rotary compressor, protuberance 211,212,221,222nd, suitable with this exhaust port.When exhaust port while being cylindrical, the protuberance of exhaust valve plate be configured to cylindrical, and when exhaust port be the round platform form, the protuberance of exhaust valve plate is configured to frustoconic shape.Thus, can effectively reduce clearance volume.
As depicted in figs. 1 and 2, according to an example of the present invention, plastic valve plate body 21 has through hole 111 by the left end of injection moulding clad metal sheet 11 and the right-hand member of tinsel 11.Thus, in the situation that guarantee rigidity intensity, can reduce shot capacity, be conducive to reduce costs.
As shown in Figure 3, the left side of tinsel 11 is concordant.Advantageously, as shown in Figure 4, the left side of tinsel 11 has the first inner fovea part 112.Advantageously, as shown in Figure 5, the left side of tinsel 11 has the first male part 113.Thus, when by the plastic valve plate body during left end by injection moulding clad metal sheet 11, both are in conjunction with more tight.
According to an example of the present invention, as shown in Figure 6 and Figure 7, on the whole and plastic valve plate body 22 of plastic valve plate body 22 by injection moulding clad metal sheet 12, there is the through hole 223 that is positioned at tinsel 12 right sides.Thus, can make plastic valve plate body 22 and tinsel 12 in conjunction with more tight, has overcome a metal piece of writing in the prior art and may cause the noise deterioration with the double-layer exhaust valve plate structure that the plastic valve plate body forms because of simple superposition, and moulding process is simple.
As shown in Figure 9, tinsel 12 can be configured to the cuboid tinsel.Advantageously, as shown in figure 10, the left side of described cuboid tinsel (left) as shown in Figure 10 end face and the right side (right-hand as shown in Figure 10) end face have respectively the second inner fovea part 121.Advantageously, as shown in figure 11, the left side of described cuboid tinsel and right side have respectively the second male part 122.Thus, when by the plastic valve plate body during by injection moulding clad metal sheet, both are in conjunction with more tight.
Advantageously, tinsel 11,12 can be stainless steel sheets or alloy-steel sheet.Thus, guaranteed the exhaust valve plate 300 according to the bearing for rotary compressor of the embodiment of the present invention.
Below the size relationship between tinsel 10 and plastic valve plate body 20 is carried out to brief description.
Suppose that sheet thicknesses (size or the tinsel as shown in Fig. 6 or Fig. 7 12 size along the vertical direction along the vertical direction of tinsel 11 as depicted in figs. 1 and 2) is for M, the thickness of plastic valve plate body (size or the plastic valve plate as shown in Fig. 6 or Fig. 7 22 size along the vertical direction along the vertical direction of plastic valve plate body 21 as depicted in figs. 1 and 2) is N, needs to meet M<N.In addition, the distance between the central plane of the central plane of tinsel 11,12 thickness directions and plastic valve plate body 21,22 thickness directions is D, needs to meet 0≤D≤1/4 (N-M).Suppose that tinsel width (size or tinsel as shown in Figures 9 to 11 12 size along the vertical direction along the vertical direction of tinsel 11 as shown in Figures 3 to 5) is A, the width of plastic valve plate body (plastic valve plate body 22 size along the vertical direction) as shown in Figure 8 is B, needs to meet A≤B.
Introduce the bearing for rotary compressor according to the embodiment of the present invention below with reference to accompanying drawing 12.
As shown in figure 12, according to the bearing for rotary compressor of the embodiment of the present invention, comprise the exhaust valve plate 300 of the described bearing for rotary compressor of above-mentioned any one.
Specifically, the bearing for rotary compressor according to the embodiment of the present invention, comprise bearing body 100, the exhaust port that has mounting groove 101 on bearing body and be communicated with mounting groove 101.The exhaust valve plate 300 of snubber 200 and the bearing for rotary compressor according to the embodiment of the present invention is fixed on (exhaust valve plate 300 is connected with rivet 300 by through hole 111 or through hole 223) in mounting groove by rivet 300.Wherein, suitable with described exhaust port according to the protuberance 211,212,221,222 of the exhaust valve plate 300 of the bearing for rotary compressor of the embodiment of the present invention.
In other words, exhaust valve plate 300 amplitude of fluctuation that snubber 200 limits according to the bearing for rotary compressor of the embodiment of the present invention, and when the exhaust valve plate 300 of the bearing for rotary compressor according to the embodiment of the present invention is closed, protuberance 211,212,221,222 coordinate in the exhaust port of bearing body.
When the bearing for rotary compressor according to the embodiment of the present invention adopts the exhaust valve plate 300 according to the bearing for rotary compressor of the embodiment of the present invention, not only reduce the clearance volume of exhaust port, improve compressor performance (COP) and approximately improve 1.3%, and solved the poor rigidity problem of pure plastic exhaust valve plate, compare the steel tinsel directly is superimposed upon on plastic exhaust valve plate simultaneously, during according to the bearing operation for rotary compressor of the embodiment of the present invention, noise is less, and its installation is also more compact easy.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiments or example.
Although the above has illustrated and has described embodiments of the invention, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art is not in the situation that break away from principle of the present invention and aim can be changed above-described embodiment within the scope of the invention, modification, replacement and modification.
Claims (17)
1. the exhaust valve plate for the bearing of rotary compressor, is characterized in that, comprising:
Tinsel; With
The plastic valve plate body, described plastic valve plate body coats at least a portion of described tinsel by injection moulding;
Wherein, there is through hole on described tinsel or described plastic valve plate body.
2. the exhaust valve plate of the bearing for rotary compressor according to claim 1, is characterized in that, has the protuberance that is positioned at described tinsel left side and protrudes from the lower surface of described plastic valve plate body on described plastic valve plate body.
3. the exhaust valve plate of the bearing for rotary compressor according to claim 2, is characterized in that, described protuberance is configured to cylindrical.
4. the exhaust valve plate of the bearing for rotary compressor according to claim 2, is characterized in that, described protuberance is configured to frustoconic shape.
5. will remove the exhaust valve plate of the described bearing for rotary compressor of any one in 1-4 according to right, it is characterized in that, described plastic valve plate body coats the left end of described tinsel and the right-hand member through hole that described through hole is formed on described tinsel by injection moulding.
6. will remove the exhaust valve plate of the 5 described bearings for rotary compressor according to right, it is characterized in that, the left side of described tinsel is concordant.
7. will remove the exhaust valve plate of the 5 described bearings for rotary compressor according to right, it is characterized in that, the left side of described tinsel has the first inner fovea part.
8. will remove the exhaust valve plate of the 5 described bearings for rotary compressor according to right, it is characterized in that, the left side of described tinsel has the first male part.
9. to remove the exhaust valve plate of the described bearing for rotary compressor of any one in 1-4 according to right, it is characterized in that, described plastic valve plate body coats the whole of described tinsel by injection moulding, and described through hole is formed on described plastic valve plate body and is positioned at the right side through hole of described tinsel.
10. the exhaust valve plate of the bearing for rotary compressor according to claim 9, is characterized in that, described tinsel is configured to the cuboid tinsel.
11. the exhaust valve plate of the bearing for rotary compressor according to claim 10 is characterized in that the left side of described cuboid tinsel and right side have respectively the second inner fovea part.
12. the exhaust valve plate of the bearing for rotary compressor according to claim 10 is characterized in that the left side of described cuboid tinsel and right side have respectively the second male part.
13. the exhaust valve plate according to the described bearing for rotary compressor of any one in claim 1-4, is characterized in that, described tinsel is stainless steel sheets or alloy-steel sheet.
14. the exhaust valve plate according to the described bearing for rotary compressor of any one in claim 1-4, it is characterized in that, M<N and A≤B, wherein, the thickness that N is described plastic valve plate body, the thickness that M is described tinsel, the width that B is described plastic valve plate body, the width of the described tinsel of A.
15. the exhaust valve plate of the bearing for rotary compressor according to claim 14, it is characterized in that, D≤1/4 (N-M), wherein, the spacing of the central plane of the central plane of the thickness direction that D is described plastic valve plate body and the thickness direction of described tinsel.
16. the bearing for rotary compressor, is characterized in that, comprises the exhaust valve plate according to the described bearing for rotary compressor of any one in claim 1-15.
17. a rotary compressor, is characterized in that, comprises according to right and will remove the 16 described bearings for rotary compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310393413.6A CN103438004B (en) | 2013-09-02 | 2013-09-02 | Rotary compressor and bearing thereof and the exhaust valve plate for this bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310393413.6A CN103438004B (en) | 2013-09-02 | 2013-09-02 | Rotary compressor and bearing thereof and the exhaust valve plate for this bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103438004A true CN103438004A (en) | 2013-12-11 |
| CN103438004B CN103438004B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310393413.6A Active CN103438004B (en) | 2013-09-02 | 2013-09-02 | Rotary compressor and bearing thereof and the exhaust valve plate for this bearing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819126A (en) * | 2015-03-02 | 2015-08-05 | 广东美芝制冷设备有限公司 | Bearing for compressor, and preparation method as well as compressor and refrigeration equipment |
| CN107605708A (en) * | 2017-09-27 | 2018-01-19 | 华意压缩机股份有限公司 | Integrated exhaust assembly applied to refrigerator compressor and injection molding process of integrated exhaust assembly |
| CN111120267A (en) * | 2018-10-31 | 2020-05-08 | 广东美芝制冷设备有限公司 | Discharge valve piece of compressor and compressor with same |
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| US4642037A (en) * | 1984-03-08 | 1987-02-10 | White Consolidated Industries, Inc. | Reed valve for refrigeration compressor |
| CN201902311U (en) * | 2010-12-20 | 2011-07-20 | 上海日立电器有限公司 | Double-layer exhaust valve plate for compressor |
| US20120301341A1 (en) * | 2010-01-28 | 2012-11-29 | Kabushiki Kaisha Toyota Jidoshokki | Compressor |
| CN203500014U (en) * | 2013-09-02 | 2014-03-26 | 广东美芝制冷设备有限公司 | Rotary compressor and bearing thereof as well as exhaust valve plate applicable to bearing |
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2013
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3679333A (en) * | 1970-01-12 | 1972-07-25 | Magneti Marelli Spa | Packing for air compressor valve |
| US3998571A (en) * | 1975-04-14 | 1976-12-21 | Sundstrand Corporation | Valve retainer |
| GB1495907A (en) * | 1975-08-04 | 1977-12-21 | Nippon Oil Seal Ind Co Ltd | Reed valve |
| US4642037A (en) * | 1984-03-08 | 1987-02-10 | White Consolidated Industries, Inc. | Reed valve for refrigeration compressor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819126A (en) * | 2015-03-02 | 2015-08-05 | 广东美芝制冷设备有限公司 | Bearing for compressor, and preparation method as well as compressor and refrigeration equipment |
| CN107605708A (en) * | 2017-09-27 | 2018-01-19 | 华意压缩机股份有限公司 | Integrated exhaust assembly applied to refrigerator compressor and injection molding process of integrated exhaust assembly |
| CN111120267A (en) * | 2018-10-31 | 2020-05-08 | 广东美芝制冷设备有限公司 | Discharge valve piece of compressor and compressor with same |
| CN111120267B (en) * | 2018-10-31 | 2022-07-22 | 广东美芝制冷设备有限公司 | Discharge valve piece of compressor and compressor with same |
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|---|---|
| CN103438004B (en) | 2016-06-01 |
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