CN102748297A - Compressor exhaust apparatus - Google Patents
Compressor exhaust apparatus Download PDFInfo
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- CN102748297A CN102748297A CN201110101196XA CN201110101196A CN102748297A CN 102748297 A CN102748297 A CN 102748297A CN 201110101196X A CN201110101196X A CN 201110101196XA CN 201110101196 A CN201110101196 A CN 201110101196A CN 102748297 A CN102748297 A CN 102748297A
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Abstract
The invention relates to a compressor exhaust apparatus, the compressor comprises a compression component and a motor component arranged in a closed casing; the compression component comprises a cylinder, a piston arranged in the cylinder, an eccentric crankshaft capable of driving the eccentric rotation of the piston, a slide plate arranged in a slide plate groove of the cylinder, a main bearing and an auxiliary bearing respectively arranged at two sides of the cylinder; the exhaust apparatus comprises a bearing valve seat arranged on the base bearing, and an exhaust valve sheet, a spring and a stopper which are arranged in the bearing valve seat; a valve seat steam vent is provided at the lower part of the bearing valve seat, a spacing hole is provided at the upper part of the valve seat steam vent; the exhaust valve sheet is carried on the valve seat steam vent, and is capable of moving up and down along an axial direction of the spacing hole; the stopper is positioned at the upper part of the exhaust valve sheet, and is fixedly connected to the spacing hole inner wall; the spring is subjected to pressure welding between the exhaust valve sheet and the stopper. The exhaust apparatus has the advantages of compact structure and simple assembling, can effectively reinforce the rigidity of the bearing valve seat; simultaneously the valve seat thickness is reduced, the clearance volume of the valve seat steam vent is reduced, and the cold amount can be increased.
Description
Technical field
The present invention relates to a kind of venting gas appliance of compressor.
Background technique
The characteristics that Reed Valve has is simple in structure, moving-mass is light, clearance volume is little, thus be widely used in microminiature air compressor and the refrigeration compressor.Because tongue valve seat vulnerable area area is excessive, the pressure difference of adding valve seat wall both sides is bigger, if valve seat is thin excessively, the situation of bearing surface to the cylinder interior depression possibly occur, causes bearing surface and piston generation metal friction, even stall.
Chinese patent document number CN201436395U discloses a kind of venting gas appliance of closed rotating compressor on April 7th, 2010; Comprise the delivery valve seat that the cavity with cylinder joins; One end of delivery valve seat is provided with the exhaust port that communicates with the cavity of cylinder; The other end of delivery valve seat is fixedly connected with exhaust valve plate and the valve block snubber that is stacked through link; And the free end of exhaust valve plate hides on exhaust port; Gas in the cylinder is compressed when reaching certain pressure through exhaust port and washes the free end that exhaust valve plate makes exhaust valve plate open and overlays the free end at the valve block snubber, it is characterized in that delivery valve seat make in the bottom that the cavity with cylinder joins into wall thickness change do not wait thick structure, exhaust port is arranged on the little end of wall thickness of delivery valve seat bottom.This structure has above-mentioned deficiency, haves much room for improvement.
Summary of the invention
The object of the invention aim to provide a kind of simple and reasonable, easy to assembly, fabricating cost is low, operate steadily, the venting gas appliance of the compressor of reliable performance, to overcome deficiency of the prior art.
Press the venting gas appliance of a kind of compressor of this purpose design, said compressor comprises compression assembly and the electric machine assembly that is arranged in the enclosing housing; Compression assembly comprises cylinder, is arranged on the piston in the cylinder, the eccentric crankshaft that driven plunger is made eccentric rotary, interior slide plate, the main bearing that is separately positioned on the cylinder both sides and the supplementary bearing of vane slot that is arranged on cylinder; One end of slide plate and the periphery of piston are joined; Electric machine assembly comprises stator and rotor, and stator is fixed on the inwall of enclosing housing, and rotor is fixed on the eccentric crankshaft; Its structure characteristic is that said venting gas appliance comprises the bearing valve seat that is arranged on the main bearing and is arranged on exhaust valve plate, spring and the snubber in the bearing valve seat; Bearing valve seat bottom is provided with the valve seat exhaust port, and valve seat exhaust port top is a spacing hole; Exhaust valve plate is undertaken on the valve seat exhaust port, and slides up and down along the axial direction of spacing hole; Snubber is positioned at the exhaust valve plate top, and is fixedly connected with the spacing hole inwall; Spring is crimped between exhaust valve plate and the snubber.
Said exhaust valve plate is the disk shape, and the spacing hole of its cylindrical and bearing valve seat is inscribe mutually.
Said exhaust valve plate is the cap shape, and the valve seat exhaust port of the corresponding bearing valve seat in middle part protrusion downwards is provided with boss; The cylindrical of exhaust valve plate and said spacing hole be inscribe mutually.The center of boss overlaps with the center of valve seat exhaust port, and boss sank in the valve seat exhaust port when exhaust valve plate was closed.
Middle part, said snubber bottom surface is provided with the limited post that is used for fixing spring and control exhaust valve plate lift.
Said spring is the turriform spring, the limited post socket of its upper end and snubber, and lower end and exhaust valve plate end face join.Circle footpath, turriform spring top is little, circle footpath, bottom is big.
Said snubber outer periphery is equipped with more than one adpting flange; The corresponding adpting flange of the spacing hole inwall of bearing valve seat is provided with circular groove and exhaust deep gouge; Circular groove and exhaust deep gouge are interspersed.Said exhaust deep gouge is along the axial direction setting of spacing hole, and the formation exhaust passage.Be symmetrically arranged with two flange on the said snubber, flange is positioned at a side of adpting flange.The adpting flange of snubber is aimed at the exhaust deep gouge; Then, snubber is put into the bearing valve seat, until the sidepiece of adpting flange side in alignment circular groove; Then, the rotary stopper device screws in adpting flange in the circular groove, and snubber can not move up and down; At last, two flange are upwards dug, two flange can be stuck on the exhaust deep gouge wall of bearing valve seat, the rotation of restriction snubber.
During compressor operating of the present invention, the pretightening force and the restoring force of exhaust valve plate are provided by spring, the radial displacement of exhaust valve plate by with its spacing hole wall restriction of bearing valve seat of inscribe mutually, the lift height of exhaust valve plate is provided with by the limited post height of snubber.Spring is fastened on the limited post of snubber, and the circular groove that is provided with on the spacing hole of the adpting flange of snubber and bearing valve seat interlocks and is fastenedly connected.The rigidity of bearing valve seat simply, is effectively strengthened in its compact structure, assembling; Simultaneously, also can reduce valve seat thickness, reduce the clearance volume of valve seat exhaust port, promote cold.
Description of drawings
Fig. 1 is compressor one an example structure schematic representation involved in the present invention.
Fig. 2 is that main bearing and venting gas appliance connect back sectional structure schematic representation.
Fig. 3 is an A place structure for amplifying schematic representation among Fig. 2.
Fig. 4 is exhaust valve plate one an embodiment structural representation.
Fig. 5 is another embodiment structural representation of exhaust valve plate.
Fig. 6 is the spring structure schematic representation.
Fig. 7 is the snubber structural representation.
Fig. 8 is a snubber sectional structure schematic representation.
Fig. 9 is the main bearing structural representation.
Figure 10 is a B place structure for amplifying schematic representation among Fig. 9.
Figure 11 is a main bearing sectional structure schematic representation.
Figure 12 is that main bearing and venting gas appliance connect back plan structure schematic representation.
Figure 13 is a C place structure for amplifying schematic representation among Figure 12.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Referring to Fig. 1-Figure 13, the venting gas appliance of this compressor, said compressor comprise compression assembly and the electric machine assembly that is arranged in the enclosing housing 18; Compression assembly comprises cylinder 11, is arranged on the piston 12 in the cylinder 11, the eccentric crankshaft 13 that driven plunger 12 is made eccentric rotary, interior slide plate, the main bearing 15 that is separately positioned on cylinder 11 both sides and the supplementary bearing 14 of vane slot that is arranged on cylinder 11; One end of slide plate and the periphery of piston 12 are joined; Electric machine assembly comprises stator 17 and rotor 16, and stator 17 is fixed on the inwall of enclosing housing 18, and rotor 16 is fixed on the eccentric crankshaft 13.Said venting gas appliance comprises the bearing valve seat 15.2 that is arranged on the main bearing 15 and is arranged on exhaust valve plate 19, spring 20 and the snubber 21 in the bearing valve seat 15.2; Bearing valve seat 15.2 bottoms are provided with valve seat exhaust port 15.1, and valve seat exhaust port 15.1 tops are spacing hole 15.3; Exhaust valve plate 19 is undertaken on the valve seat exhaust port 15.1, and slides up and down along the axial direction of spacing hole 15.3; Snubber 21 is positioned at exhaust valve plate 19 tops, and is fixedly connected with spacing hole 15.3 inwalls; Spring 20 is crimped between exhaust valve plate 19 and the snubber 21.Exhaust valve plate 19 is the disk shape, and the spacing hole 15.3 of its cylindrical and bearing valve seat 15.2 is inscribe mutually.
Middle part, snubber 21 bottom surfaces is provided with the limited post 21.2 that is used for fixing spring 20 and control exhaust valve plate 19 lifts.Spring 20 is the turriform spring, limited post 21.2 sockets of its upper end and snubber 21, and lower end and exhaust valve plate 19 end faces join.
Snubber 21 peripheries are uniformly distributed with and are provided with four adpting flanges 21.1; The corresponding adpting flange 21.1 of spacing hole 15.3 inwalls of bearing valve seat 15.2 is provided with circular groove 15.4 and four exhaust deep gouges 15.5; Circular groove 15.4 is interspersed with exhaust deep gouge 15.5.Exhaust deep gouge 15.5 is along the axial direction setting of spacing hole 15.3, and the formation exhaust passage.Be symmetrically arranged with two flange 21.3 on the snubber 21, flange 21.3 is positioned at a side of adpting flange 21.1.
Above-mentioned exhaust valve plate 19 can be designed to exhaust valve plate 19 ' shown in Figure 5.Exhaust valve plate 19 ' is the cap shape, and the valve seat exhaust port 15.1 of the corresponding bearing valve seat 15.2 in middle part protrusion downwards is provided with boss 19.1 '; The cylindrical of exhaust valve plate 19 ' and said spacing hole 15.3 be inscribe mutually.
Its working principle is: when exhaust began, exhaust valve plate 19 was fit-states with bearing valve seat 15.2, and the pretightening force of applying is provided by coupled spring 20; When exhaust was carried out, exhaust valve plate 19 broke away from bearing valve seat 15.2, and exhaust valve plate 19 rises to certain altitude, and its lift is just controlled by limited post 21.2 length of snubber 21; When exhaust finished, exhaust valve plate 19 was returned to the state of fitting with bearing valve seat 15.2 under the effect of the restoring force that coupled spring 20 provides.When exhaust valve plate 19 pumped, spacing hole 15.3 walls of the outer rim of exhaust valve plate 19 and bearing valve seat 15.2 are inscribe mutually, the monolateral little clearance that leaves, the radial displacement of control exhaust valve plate 19.Its medi-spring 20 is fastened on the limited post 21.2 of snubber 21; Snubber 21 interlocks through the circular groove 15.4 on its adpting flange that carries and bearing valve seat 15.2 spacing holes 15.3 walls and is fastenedly connected; The structure of adpting flange is in the circular groove of the spacing hole wall of precession bearing valve seat through four symmetrically arranged exhaust deep gouges of bearing valve seat; Be stuck on the exhaust deep gouge wall motion that rotates in a circumferential direction of restriction snubber 21 then by two that are provided with on the adpting flange symmetrical flange 21.3.
Claims (8)
1. the venting gas appliance of a compressor, said compressor comprise compression assembly and the electric machine assembly that is arranged in the enclosing housing (18); Compression assembly comprises cylinder (11), is arranged on the piston (12) in the cylinder (11), the eccentric crankshaft (13) that driven plunger (12) is made eccentric rotary, interior slide plate, the main bearing (15) that is separately positioned on cylinder (11) both sides and the supplementary bearing (14) of vane slot that is arranged on cylinder (11); The periphery of one end of slide plate and piston (12) is joined; Electric machine assembly comprises stator (17) and rotor (16), and stator (17) is fixed on the inwall of enclosing housing (18), and rotor (16) is fixed on the eccentric crankshaft (13); It is characterized in that said venting gas appliance comprises the bearing valve seat (15.2) that is arranged on the main bearing (15) and is arranged on exhaust valve plate (19,19 '), spring (20) and the snubber (21) in the bearing valve seat (15.2); Bearing valve seat (15.2) bottom is provided with valve seat exhaust port (15.1), and valve seat exhaust port (15.1) top is spacing hole (15.3); Exhaust valve plate (19,19 ') is undertaken on the valve seat exhaust port (15.1), and slides up and down along the axial direction of spacing hole (15.3); Snubber (21) is positioned at exhaust valve plate (19,19 ') top, and is fixedly connected with spacing hole (15.3) inwall; Spring (20) is crimped between exhaust valve plate (19,19 ') and the snubber (21).
2. according to the venting gas appliance of the said compressor of claim 1, it is characterized in that said exhaust valve plate (19) is the disk shape, the spacing hole (15.3) of its cylindrical and bearing valve seat (15.2) is inscribe mutually.
3. according to the venting gas appliance of the said compressor of claim 1, it is characterized in that said exhaust valve plate (19 ') is the cap shape, the valve seat exhaust port (15.1) of the corresponding bearing valve seat in middle part (15.2) protrusion downwards is provided with boss (19.1 '); The cylindrical of exhaust valve plate (19 ') and said spacing hole (15.3) be inscribe mutually.
4. according to the venting gas appliance of the said compressor of claim 1, it is characterized in that middle part, said snubber (21) bottom surface is provided with the limited post (21.2) that is used for fixing spring (20) and control exhaust valve plate (19,19 ') lift.
5. according to the venting gas appliance of the said compressor of claim 2, it is characterized in that said spring (20) is the turriform spring, limited post (21.2) socket of its upper end and snubber (21), lower end and exhaust valve plate (19,19 ') end face joins.
6. according to the venting gas appliance of each said compressor of claim 1 to 5, it is characterized in that said snubber (21) outer periphery is equipped with more than one adpting flange (21.1); The corresponding adpting flange of spacing hole (15.3) inwall of bearing valve seat (15.2) (21.1) is provided with circular groove (15.4) and exhaust deep gouge (15.5); Circular groove (15.4) and exhaust deep gouge (15.5) are interspersed.
7. according to the venting gas appliance of the said compressor of claim 6, it is characterized in that the axial direction setting of said exhaust deep gouge (15.5), and form the exhaust passage along spacing hole (15.3).
8. according to the venting gas appliance of the said compressor of claim 7, it is characterized in that being symmetrically arranged with two flange (21.3) on the said snubber (21), flange (21.3) is positioned at a side of adpting flange (21.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110101196XA CN102748297A (en) | 2011-04-21 | 2011-04-21 | Compressor exhaust apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110101196XA CN102748297A (en) | 2011-04-21 | 2011-04-21 | Compressor exhaust apparatus |
Publications (1)
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|---|---|
| CN102748297A true CN102748297A (en) | 2012-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110101196XA Pending CN102748297A (en) | 2011-04-21 | 2011-04-21 | Compressor exhaust apparatus |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410734A (en) * | 2013-08-02 | 2013-11-27 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN103742411A (en) * | 2013-12-23 | 2014-04-23 | 广东美芝制冷设备有限公司 | Compressor, air conditioner and water heater |
| CN104100532A (en) * | 2014-07-04 | 2014-10-15 | 广东美芝制冷设备有限公司 | Rotary compressor and refrigeration cycle device with same |
| CN104110383A (en) * | 2014-07-04 | 2014-10-22 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN104214103A (en) * | 2014-07-04 | 2014-12-17 | 广东美芝精密制造有限公司 | Rotary compressor |
| CN104279163A (en) * | 2014-07-04 | 2015-01-14 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN106194743A (en) * | 2014-04-25 | 2016-12-07 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN109209893A (en) * | 2018-11-12 | 2019-01-15 | 珠海凌达压缩机有限公司 | Exhaust structure and compressor comprising it |
| CN111720320A (en) * | 2020-06-29 | 2020-09-29 | 安徽美芝精密制造有限公司 | Refrigerating device |
| CN111720321A (en) * | 2020-06-29 | 2020-09-29 | 安徽美芝精密制造有限公司 | Compression mechanism |
| CN113623227A (en) * | 2021-08-20 | 2021-11-09 | 安徽美芝精密制造有限公司 | Valve plate limiter, valve component, compressor and refrigerating device |
| CN114109838A (en) * | 2020-08-28 | 2022-03-01 | 上海海立电器有限公司 | Compressor pump body structure and compressor |
| CN114109836A (en) * | 2020-08-28 | 2022-03-01 | 上海海立电器有限公司 | Compressor pump body structure and compressor |
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| US4450860A (en) * | 1981-02-13 | 1984-05-29 | Copeland Corporation | Discharge valve guide |
| JPH04360922A (en) * | 1991-06-07 | 1992-12-14 | Shimizu Corp | Rain water-utilizing system |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410734B (en) * | 2013-08-02 | 2017-03-29 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN103410734A (en) * | 2013-08-02 | 2013-11-27 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN103742411B (en) * | 2013-12-23 | 2016-07-06 | 广东美芝制冷设备有限公司 | Compressor, air-conditioner and hot water machine |
| CN103742411A (en) * | 2013-12-23 | 2014-04-23 | 广东美芝制冷设备有限公司 | Compressor, air conditioner and water heater |
| CN106194743A (en) * | 2014-04-25 | 2016-12-07 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN104214103A (en) * | 2014-07-04 | 2014-12-17 | 广东美芝精密制造有限公司 | Rotary compressor |
| CN104279163A (en) * | 2014-07-04 | 2015-01-14 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN104110383A (en) * | 2014-07-04 | 2014-10-22 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN104100532A (en) * | 2014-07-04 | 2014-10-15 | 广东美芝制冷设备有限公司 | Rotary compressor and refrigeration cycle device with same |
| CN109209893A (en) * | 2018-11-12 | 2019-01-15 | 珠海凌达压缩机有限公司 | Exhaust structure and compressor comprising it |
| CN111720320A (en) * | 2020-06-29 | 2020-09-29 | 安徽美芝精密制造有限公司 | Refrigerating device |
| CN111720321A (en) * | 2020-06-29 | 2020-09-29 | 安徽美芝精密制造有限公司 | Compression mechanism |
| CN114109838A (en) * | 2020-08-28 | 2022-03-01 | 上海海立电器有限公司 | Compressor pump body structure and compressor |
| CN114109836A (en) * | 2020-08-28 | 2022-03-01 | 上海海立电器有限公司 | Compressor pump body structure and compressor |
| CN114109838B (en) * | 2020-08-28 | 2023-09-01 | 上海海立电器有限公司 | Pump body structure of compressor and compressor |
| CN114109836B (en) * | 2020-08-28 | 2023-09-01 | 上海海立电器有限公司 | Pump body structure of compressor and compressor |
| CN113623227A (en) * | 2021-08-20 | 2021-11-09 | 安徽美芝精密制造有限公司 | Valve plate limiter, valve component, compressor and refrigerating device |
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Application publication date: 20121024 |