CN102251951A - Snifter valve block of refrigerator compressor - Google Patents
Snifter valve block of refrigerator compressor Download PDFInfo
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- CN102251951A CN102251951A CN2010101775589A CN201010177558A CN102251951A CN 102251951 A CN102251951 A CN 102251951A CN 2010101775589 A CN2010101775589 A CN 2010101775589A CN 201010177558 A CN201010177558 A CN 201010177558A CN 102251951 A CN102251951 A CN 102251951A
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- curve
- flexible vane
- axisymmetric
- suction valve
- valve chip
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Abstract
The invention relates to a snifter valve block of a refrigerator compressor. The snifter valve block provided by the invention is of a rectangular structure, wherein the four angles of the rectangular structure are respectively distributed with mounting holes; a flexible wing is arranged at the middle part of the snifter valve block; a rectangular through hole is formed on the snifter valve block at the left part of the flexible wing; a circular through hole is formed on the snifter valve block at the right part of the flexible wing, wherein (1) the outer profile of the flexible wing is an axial symmetry curve, and the axial symmetry curve is formed by smoothly connecting two axial symmetry upper-section curves, two axial symmetry intermediate-section curves and an axial symmetry lower-section curves; (2) a flow increasing hole is formed between the intermediate-section curves of the flexible wing; and (3) vent holes are formed outside the upper-section curves of the flexible wing. In the snifter valve block provided by the invention, the structure of a cylinder body is simple; the design is scientific and reasonable; high-pressure gas can be effectively buffered; the gas pulsation is reduced; the whole noise of the refrigerator compressor is reduced; the noise pollution to the environment is reduced; and the performance of the compressor is improved.
Description
Technical field
The invention belongs to the freezer compressor field, especially a kind of freezer compressor suction valve chip.
Background technique
It is that refrigerant is supplied to the whole cooling cycle system of refrigerator that freezer compressor mainly acts on, freezer compressor realizes supplying with the refrigerant function mainly by two working procedure, one is breathing process, another is an exhaust process, breathing process and exhaust process mainly are to realize by the reciprocating motion of the pistons of freezer compressor, in order to realize that these two processes must comprise that also valve board assembly cooperates, valve board assembly is by suction valve chip, valve plate and exhaust valve plate constitute, valve board assembly has mainly provided an effect that control gaseous flows to, because no matter be that breathing process or exhaust process all are undivided with the suction or the discharge of refrigerant, on the valve plate of piston one side, be fixed with suction valve chip, on the valve plate of cylinder cap one side, be fixed with exhaust valve plate, freezer compressor moves to breathing process, owing to produce vacuum in the piston hole of compressor casing the exhaust valve plate that is embedded on the valve plate is closed, the flexible vane that refrigerant is washed open on the valve plate suction valve chip enters in the piston hole, freezer compressor moves to exhaust process, piston begins compression refrigerant, suction valve chip is closed, refrigerant is got rid of from the exhaust port of valve plate, corresponding exhaust valve plate is opened, refrigerant enters into cylinder cap and flows to whole cooling cycle system again, the time that flexible vane on the suction valve chip is opened or closed, whether decision exists refrigerant to reflux, this has crucial effects for improving compressor efficiency, and flexible vane is opened or time of closing is subjected to the control of suction valve chip rigidity and frequency, need adjust the profile and the inner structure of flexible vane in order better to reach suitable rigidity and frequency, all be shaped on flexible vane on the suction valve chip at present, in order to realize that exhaust process also is shaped on corresponding exhaust port on suction valve chip, but the excessive increase that also can cause clearance of exhaust port, can not fully refrigerant be discharged, reduce the efficient of compressor cooling.
Find that in retrieving files a patent No. is ZL03824018.1, patent name is the patent of invention that is used for the suction valve of small-sized sealing type compressor, notification number is CN100357596C, in order to adjust rigidity and frequency, the exhaust port of this patent valve plate is arranged on the middle part of flexible vane, so corresponding middle part that is arranged on flexible vane of the exhaust port on the suction valve chip, though the exhaust port of having offered big shape satisfies the needs of exhaust, but owing to there is not the excessive problem of clearance of consideration, cause piston when compression refrigerant, refrigerant can not fully be discharged to cylinder cap and enter into whole cooling cycle system, greatly reduce the efficient of compressor cooling, and the middle part that the exhaust port of big shape is opened in flexible vane makes suction valve chip can not reach a suitable rigidity, thereby depart from the precise time that flexible vane is opened and closed, influence the efficient of compressor cooling.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of freezer compressor suction valve chip is provided, this suction valve chip is simple in structure, design science is reasonable, and amount of deflection and rigidity are better, long service life, reduce clearance to greatest extent, improved the efficient of compressor cooling.
The present invention solves its technical problem and is achieved through the following technical solutions:
A kind of freezer compressor suction valve chip, this suction valve chip are a rectangular configuration, four uniform mounting holes that are shaped in angle, be shaped on flexible vane at the suction valve chip middle part, on the suction valve chip of flexible vane left part, be shaped on rectangular through-hole, on the suction valve chip of flexible vane right part, be shaped on manhole, wherein
(1), this flexible vane external frame is the axisymmetric curve, this axisymmetric curve is connected and composed by two axisymmetric epimere curves, two axisymmetric stage casing curves and an axisymmetric hypomere curve smoothing, two epimere curves of flexible vane are respectively to the bending of flexible vane axial direction, form an axisymmetric inner concave curve, two stage casing curves of flexible vane are axisymmetric evagination arc curve, and the radius of flexible vane hypomere curve is greater than the arc curve of stage casing curve;
(2), between the curve of flexible vane stage casing, be shaped on an incremental hole;
(3), be shaped on exhaust port in the outside of flexible vane epimere curve.
And, described incremental hole external frame is the axisymmetric curve that six sections arc curve end-to-ends constitute, upper end portion, wherein incremental hole and two axisymmetric underparts are the evagination arc curve, and three arc curves of three ends of smooth connection are the imploded arcs deltoid respectively.
And described exhaust port is built in the outside of flexible vane epimere inner concave curve.
Advantage of the present invention and beneficial effect are:
1, the flexible vane external frame of this freezer compressor suction valve chip is the axisymmetric curve, this axisymmetric curve is by two axisymmetric epimere curves, article two, axisymmetric stage casing curve and an axisymmetric hypomere curve smoothing connect and compose, two epimere curves of flexible vane are respectively to the bending of flexible vane axial direction, form an axisymmetric inner concave curve, two stage casing curves of flexible vane are axisymmetric evagination arc curve, the radius of flexible vane hypomere curve is greater than the arc curve of stage casing curve, and between the curve of flexible vane stage casing, be shaped on an incremental hole, the flexible vane external frame of this structure provides suitable rigidity and frequency can for whole suction valve chip, thereby accurately control flexible vane and open and close the time, can effectively avoid refrigerant to reflux, thereby improve the performance of compressor.
2, offer incremental hole on this freezer compressor suction valve chip flexible vane, this incremental hole external frame is the axisymmetric curve that six sections arc curve end-to-ends constitute, upper end portion, wherein incremental hole and two axisymmetric underparts are the evagination arc curve, three arc curves of three ends of smooth connection are the imploded arcs deltoid respectively, this structure can effectively increase the refrigerant intake in the unit time, thereby improve the refrigerating efficiency of compressor, and offer the quality that incremental hole can reduce flexible vane, the energy loss when thereby the minimizing flexible vane is opened, the efficient of raising compressor.
3, this freezer compressor suction valve chip is shaped on exhaust port in the outside of the left side inner concave curve of flexible vane epimere curve, effectively reduce clearance by exhaust port and flexible vane external frame slit sharing space, increase the refrigerant discharge capacity to greatest extent, improve the refrigerating efficiency of freezer compressor.
4, housing structure of the present invention is simple, and design science is reasonable, can effectively cushion pressurized gas, reduces air pulsing, reduces the freezer compressor overall noise, has reduced the noise pollution to environment, improves compressor performance.
Description of drawings
Fig. 1 is a freezer compressor suction valve chip structural front view of the present invention;
Fig. 2 is the structural front view of valve plate opposite side in the freezer compressor cylinder body;
Fig. 3 is the cylinder body structure of compressor plan view.
Embodiment
The invention will be further described below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
A kind of freezer compressor suction valve chip as shown in Figure 1, this suction valve chip 3 is one to be packed in the rectangular plate type structure between compressor casing 16 and the valve plate 12, the opposite side of valve plate installs cylinder cap 17, four jiaos of this suction valve chip rectangular configuration is rounding, four other uniform mounting holes 1 that are shaped on of rounding, be shaped on flexible vane 9 at the suction valve chip middle part, on the suction valve chip of flexible vane left part, be shaped on rectangular through-hole 2, on the suction valve chip of flexible vane right part, be shaped on manhole 10.
Innovative point of the present invention is: (1), this flexible vane external frame are the axisymmetric curve, this axisymmetric curve is connected and composed by the curve smoothing in the curve in the curve in two axisymmetric epimere curves such as Fig. 1 H zone, two axisymmetric stage casing curves such as Fig. 1 M zone and axisymmetric hypomere curve such as Fig. 1 L zone, two epimere curves of flexible vane are respectively to the bending of flexible vane axial direction, form an axisymmetric inner concave curve, two stage casing curves of flexible vane are axisymmetric evagination arc curve, and the radius of flexible vane hypomere curve is greater than the arc curve of stage casing curve; (2), between the curve of flexible vane stage casing, be shaped on an incremental hole 7, this incremental hole external frame is the axisymmetric curve that six sections arc curve end-to-ends constitute, upper end portion, wherein incremental hole and two axisymmetric underparts are the evagination arc curve, and three arc curves of three ends of smooth connection are the imploded arcs deltoid respectively; With offer suction port 8 on the valve plate of the corresponding position of flexible vane, bottom, incremental hole, (3), be shaped on exhaust port 5 in the outside of flexible vane epimere curve, this exhaust port is built in the outside of the left side inner concave curve of flexible vane epimere curve, its profile is made of jointly the part of flexible vane epimere inner concave curve and the one section circular arc that is formed on the suction valve chip, and two upper ends of flexible vane external frame are shaped on circular port 4 respectively.
This suction valve chip directly has influence on freezer compressor breathing process and exhaust process, if suction valve chip rigidity is strong excessively, then the jacking force of refrigerant air-flow will relative deficiency, the flutter phenomenon that flexible vane can occur vibrating back and forth, this moment gas intake deficiency, additional drag loss sharply increases, and the bump number of times of flexible vane increases simultaneously, makes the lost of life of suction valve chip.If rigidity is too small, during the piston arrives dead-centre position, flexible vane is not fallen on the valve plate yet, the late release phenomenon occurs, and when freezer compressor began compression process, the refrigerant in the suction cylinder drained back to air-inlet cavity again, thereby causes air displacement to reduce.Influence compressor efficiency.In addition, because flexible vane rushes at valve plate under elastic force and back draught effect, can cause serious bump, bump increases valve block stress, and flexible vane and valve plate wearing and tearing aggravation cause suction valve chip and valve plate premature damage.
Claims (3)
1. freezer compressor suction valve chip, this suction valve chip is a rectangular plate type structure, four uniform mounting holes that are shaped in angle, be shaped on flexible vane at the suction valve chip middle part, on the suction valve chip of flexible vane left part, be shaped on rectangular through-hole, on the suction valve chip of flexible vane right part, be shaped on manhole, it is characterized in that:
(1) this flexible vane external frame is the axisymmetric curve, this axisymmetric curve is connected and composed by two axisymmetric epimere curves, two axisymmetric stage casing curves and an axisymmetric hypomere curve smoothing, two epimere curves of flexible vane are respectively to the bending of flexible vane axial direction, form an axisymmetric inner concave curve, two stage casing curves of flexible vane are axisymmetric evagination arc curve, and the radius of flexible vane hypomere curve is greater than the arc curve of stage casing curve;
(2) between the curve of flexible vane stage casing, be shaped on an incremental hole;
(3) be shaped on exhaust port in the outside of flexible vane epimere curve.
2. freezer compressor suction valve chip according to claim 1, it is characterized in that: described incremental hole external frame is the axisymmetric curve that six sections arc curve end-to-ends constitute, upper end portion, wherein incremental hole and two axisymmetric underparts are the evagination arc curve, and three arc curves of three ends of smooth connection are the imploded arcs deltoid respectively.
3. freezer compressor suction valve chip according to claim 1 is characterized in that: described exhaust port is built in the outside of flexible vane epimere inner concave curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101775589A CN102251951A (en) | 2010-05-20 | 2010-05-20 | Snifter valve block of refrigerator compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101775589A CN102251951A (en) | 2010-05-20 | 2010-05-20 | Snifter valve block of refrigerator compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102251951A true CN102251951A (en) | 2011-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101775589A Pending CN102251951A (en) | 2010-05-20 | 2010-05-20 | Snifter valve block of refrigerator compressor |
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| CN (1) | CN102251951A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728084A (en) * | 2013-12-24 | 2015-06-24 | 东部大宇电子株式会社 | Compressor and valve assembly thereof for reducing pulsation and/or noise |
| CN110202383A (en) * | 2019-06-24 | 2019-09-06 | 张驰 | A kind of Aluminum Cutting section burr remover |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60227075A (en) * | 1984-03-08 | 1985-11-12 | ホワイト・コンソリデ−テツド・インダストリ−ズ・インコ−ポレ−テツド | Reed valve of compressor for refrigeration |
| GB2161583A (en) * | 1984-07-10 | 1986-01-15 | Prestcold Ltd | Reed valve |
| CN1688813A (en) * | 2002-10-09 | 2005-10-26 | 巴西船用压缩机有限公司 | Suction valve for a small hermetic compressor |
| CN2876373Y (en) * | 2006-03-24 | 2007-03-07 | 杨百昌 | Fan shaped reed air suction valve sheat of fully closed refrigeration compresser |
| CN101313150A (en) * | 2006-04-19 | 2008-11-26 | 松下电器产业株式会社 | Hermetic compressor |
| CN101356368A (en) * | 2006-09-27 | 2009-01-28 | 松下电器产业株式会社 | Compressor |
| WO2009135281A1 (en) * | 2008-05-08 | 2009-11-12 | Whirlpool S.A. | Discharge valve arrangement for a hermetic compressor |
| CN201679687U (en) * | 2010-05-20 | 2010-12-22 | 扎努西电气机械天津压缩机有限公司 | Gas suction valve piece of refrigerator compressor |
-
2010
- 2010-05-20 CN CN2010101775589A patent/CN102251951A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60227075A (en) * | 1984-03-08 | 1985-11-12 | ホワイト・コンソリデ−テツド・インダストリ−ズ・インコ−ポレ−テツド | Reed valve of compressor for refrigeration |
| GB2161583A (en) * | 1984-07-10 | 1986-01-15 | Prestcold Ltd | Reed valve |
| CN1688813A (en) * | 2002-10-09 | 2005-10-26 | 巴西船用压缩机有限公司 | Suction valve for a small hermetic compressor |
| CN2876373Y (en) * | 2006-03-24 | 2007-03-07 | 杨百昌 | Fan shaped reed air suction valve sheat of fully closed refrigeration compresser |
| CN101313150A (en) * | 2006-04-19 | 2008-11-26 | 松下电器产业株式会社 | Hermetic compressor |
| CN101356368A (en) * | 2006-09-27 | 2009-01-28 | 松下电器产业株式会社 | Compressor |
| WO2009135281A1 (en) * | 2008-05-08 | 2009-11-12 | Whirlpool S.A. | Discharge valve arrangement for a hermetic compressor |
| CN201679687U (en) * | 2010-05-20 | 2010-12-22 | 扎努西电气机械天津压缩机有限公司 | Gas suction valve piece of refrigerator compressor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728084A (en) * | 2013-12-24 | 2015-06-24 | 东部大宇电子株式会社 | Compressor and valve assembly thereof for reducing pulsation and/or noise |
| CN110202383A (en) * | 2019-06-24 | 2019-09-06 | 张驰 | A kind of Aluminum Cutting section burr remover |
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Application publication date: 20111123 |