CN106246509B - Compressor and its cylinder assembly - Google Patents

Compressor and its cylinder assembly Download PDF

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Publication number
CN106246509B
CN106246509B CN201610910944.1A CN201610910944A CN106246509B CN 106246509 B CN106246509 B CN 106246509B CN 201610910944 A CN201610910944 A CN 201610910944A CN 106246509 B CN106246509 B CN 106246509B
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CN
China
Prior art keywords
valve
cylinder assembly
intake passage
air intake
compressor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201610910944.1A
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Chinese (zh)
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CN106246509A (en
Inventor
龚海涛
范少稳
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CHONGQING LINGDA COMPRESSOR Co Ltd
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CHONGQING LINGDA COMPRESSOR Co Ltd
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Priority to CN201610910944.1A priority Critical patent/CN106246509B/en
Publication of CN106246509A publication Critical patent/CN106246509A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/122Cylinder block
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/08Actuation of distribution members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10Adaptations or arrangements of distribution members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
    • F04B49/225Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)

Abstract

The invention discloses a kind of cylinder assemblies, including cylinder body, there is air intake passage on the cylinder body, there is valve chamber on the inner wall of the air intake passage, valve is reciprocally provided in the valve chamber, the direction of motion of the valve is axially vertical with the air intake passage, and the driving device that the valve can be driven to protrude into the air intake passage is provided in the valve chamber.Compressor operating load can be effectively reduced under the poor biggish situation of and Suck and exhaust pressure larger in pressure at expulsion in the cylinder assembly.The invention also discloses a kind of compressors using above-mentioned cylinder assembly.

Description

Compressor and its cylinder assembly
Technical field
The present invention relates to compressor matching component technical field, in particular to a kind of cylinder assembly.The invention further relates to one Kind applies the compressor of the cylinder assembly.
Background technique
Cylinder is one of significant components of compressor, and which determine the suction and discharge operating conditions and runnability of compressor.Especially Be for the compressor of the heating and ventilating equipments such as heat pump and part specific use, since operating condition is unstable, compressor often work Make under extreme conditions, at this time since Suck and exhaust pressure difference increases, pressure at expulsion is excessive, and equipment motor will work long hours in mistake Under loading condiction, heating in winding is serious in this case, and cable insulating structure is easily broken, and gives equipment safety stable operation It causes a hidden trouble.
Therefore, compressor operating load how is reduced in the poor biggish situation of and Suck and exhaust pressure larger in pressure at expulsion is The important technological problems that those skilled in the art need to solve at present.
Summary of the invention
The object of the present invention is to provide a kind of cylinder assembly, which being capable of and suction air pressure larger in pressure at expulsion Compressor operating load is effectively reduced in the biggish situation of power difference.It is a further object of the present invention to provide a kind of above-mentioned cylinders of application The compressor of assembly.
In order to solve the above technical problems, the present invention provides a kind of cylinder assembly, including cylinder body, there is air-breathing on the cylinder body Channel has valve chamber on the inner wall of the air intake passage, is reciprocally provided with valve in the valve chamber, the valve The direction of motion is axially vertical with the air intake passage, and being provided in the valve chamber, which can drive the valve to protrude into the air-breathing, leads to Driving device in road.
Preferably, the valve chamber is internally provided with pedestal, is connected with guide post between the pedestal and the valve.
Preferably, the driving device is coaxial package in the guide post and being connected in the pedestal and the valve Between compressed spring.
Preferably, the bottom of the pedestal is provided with limiting device.
Preferably, the limiting device is retaining ring.
The present invention also provides a kind of compressor, including body, cylinder assembly, the cylinder assembly are provided in the body Cylinder assembly specially as described in any one of the above embodiments.
Relatively above-mentioned background technique, cylinder assembly provided by the present invention, in the course of work, at Suck and exhaust pressure difference When standard condition, valve is in valve chamber, fully opens air intake passage;As degrading, Suck and exhaust pressure difference increase, row When atmospheric pressure increases, since exhaust lateral pressure increases, air-breathing lateral pressure is caused to reduce, valve acts on lower edge in driving device at this time Its axis is moved out and protrudes into air intake passage, and air intake passage a part is blocked by valve at this time, so that air intake passage is effective logical Gas section reduces, so that the whole inspiratory capacity of compressor be made to reduce, and then compressor operation load is made to be effectively reduced and be controlled In the reasonable scope, in order to avoid the damage of component caused by high loaded process or equipment damage, improve the operational reliability of compressor And stability.
In another preferred embodiment of the invention, the valve chamber is internally provided with pedestal, the pedestal and the valve Between be connected with guide post.The pedestal can provide certain structural support power for valve, and guide post can guarantee that valve is mobile Direction in the process is stablized, and is avoided generating dislocation in valve moving process or be loosened, guarantees the operation of valve and its associated component Stability and structural reliability.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is the Structure explosion diagram of cylinder assembly provided by a kind of specific embodiment of the present invention;
Fig. 2 is air intake passage and the partial structurtes enlarged cross-sectional view of valve chamber part in Fig. 1.
Specific embodiment
Core of the invention is to provide a kind of cylinder assembly, which being capable of and suction air pressure larger in pressure at expulsion Compressor operating load is effectively reduced in the biggish situation of power difference;Meanwhile providing a kind of compressor using above-mentioned cylinder assembly.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description The present invention is described in further detail.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is the structural blast of cylinder assembly provided by a kind of specific embodiment of the present invention Figure;Fig. 2 is air intake passage and the partial structurtes enlarged cross-sectional view of valve chamber part in Fig. 1.
In a specific embodiment, cylinder assembly provided by the present invention, including cylinder body 11 are logical with air-breathing on cylinder body 11 Road 111 has valve chamber 112 on the inner wall of air intake passage 111, is reciprocally provided with valve 12, valve 12 in valve chamber 112 The direction of motion and air intake passage 111 it is axially vertical, actuatable valve door 12 is provided in valve chamber 112 and is protruded into air intake passage Driving device 121.
In the course of work, when Suck and exhaust pressure difference is in standard condition, valve 12 is in 112 in valve chamber, keeps air-breathing logical Road 111 fully opens;When degrading, Suck and exhaust pressure difference increase, when pressure at expulsion increases, since exhaust lateral pressure increases, Air-breathing lateral pressure is caused to reduce, valve 12 is moved out along its axis under the effect of driving device 121 and protrudes into air intake passage 111 at this time Interior, 111 a part of air intake passage is blocked by valve 12 at this time, so that the effective ventilation section of air intake passage 111 reduces, to make The whole inspiratory capacity of compressor is reduced, and then compressor operation load is effectively reduced and is controlled in zone of reasonableness, in order to avoid The damage of component caused by high loaded process or equipment damage, improve the operational reliability and stability of compressor.
After compressor is restored to nominal situation, Suck and exhaust pressure difference is restored to normal value, and pressure at expulsion reduces, pressure of inspiration(Pi) Power suitably increases, and valve 12 overcomes the driving force of driving device 121 mobile and resetted under pressure of inspiration(Pi) effect at this time, so as to inhale Restore completely open unobstructed state in gas channel 111.
Further, valve chamber 112 is internally provided with pedestal 122, and guide post 123 is connected between pedestal 122 and valve 12. Pedestal 122 can provide certain structural support power for valve 12, and guide post 123 can guarantee the side in 12 moving process of valve To stabilization, avoids generating dislocation in 12 moving process of valve or loosen, guarantee the operation stability of valve 12 and its associated component And structural reliability.
More specifically, driving device 121 is coaxial package in guide post 123 and being connected between pedestal 122 and valve 12 Compressed spring.The structure of the compressed spring is simple and driving force transmitting is sufficiently reliable, can guarantee the moving process of valve 12 Stability and high efficiency.
Certainly, specific in practical application, above-mentioned driving device 121 is not limited to compressed spring shown in figure, It can also be the component that garment bag or rubber sleeve etc. in compressive state have certain elastic reset ability, in principle, as long as It is the actual use needs that can satisfy the cylinder assembly.
On the other hand, the bottom of pedestal 122 is provided with limiting device 124.The limiting device 124 can by pedestal 122 with And the related matching piece such as valve 12 is limited in the spatial dimension of valve chamber 112, avoids valve 12 and its phase in equipment running process Pass component misplaces to loosen even to be detached from valve chamber because of high load capacity operation or other situations and assemble, so that it is total that cylinder has been effectively ensured At whole assembly intensity and structural stability.
In addition, limiting device 124 is retaining ring.This kind of retaining ring structure be simple and, energy higher with the structure matching degree of valve chamber 112 Enough advanced optimize the whole assembling structure and its assembly layout of cylinder assembly.
In a specific embodiment, it is total to be provided with cylinder in the body for compressor provided by the present invention, including body At the cylinder assembly is specially the cylinder assembly such as each embodiment above.The cylinder assembly of the compressor can be vented Compressor operating load is effectively reduced under pressure is larger and the poor biggish situation of Suck and exhaust pressure.
In summary, cylinder assembly provided in the present invention, including cylinder body have air intake passage on the cylinder body, described There is valve chamber on the inner wall of air intake passage, be reciprocally provided with valve, the direction of motion of the valve in the valve chamber It is axially vertical with the air intake passage, the drive that the valve can be driven to protrude into the air intake passage is provided in the valve chamber Dynamic device.In the course of work, when Suck and exhaust pressure difference is in standard condition, valve is in valve chamber, keeps air intake passage complete It opens;When degrading, Suck and exhaust pressure difference increase, when pressure at expulsion increases, since exhaust lateral pressure increases, lead to suction side Pressure reduces, and valve is moved out along its axis under driving device effect and protrudes into air intake passage at this time, at this time air intake passage one Part is blocked by valve, so that the effective ventilation section of air intake passage reduces, so that the whole inspiratory capacity of compressor is reduced, into And compressor operation load is effectively reduced and is controlled in zone of reasonableness, in order to avoid component caused by high loaded process damage or Equipment damage improves the operational reliability and stability of compressor.
In addition, the compressor provided by the present invention using above-mentioned cylinder assembly, cylinder assembly can be in pressures at expulsion Compressor operating load is effectively reduced in the poor biggish situation of larger and Suck and exhaust pressure.
It is described in detail above to cylinder assembly provided by the present invention and using the compressor of the cylinder assembly. Used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only used In facilitating the understanding of the method and its core concept of the invention.It should be pointed out that for those skilled in the art, Without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention, these improvement and modification It falls into the protection scope of the claims in the present invention.

Claims (5)

1. a kind of cylinder assembly, it is characterised in that:Including cylinder body, there is air intake passage on the cylinder body, the air intake passage There is valve chamber on inner wall, valve, the direction of motion of the valve and the air-breathing are reciprocally provided in the valve chamber Channel it is axially vertical, the driving device that the valve can be driven to protrude into the air intake passage, institute are provided in the valve chamber The pedestal that is internally provided with for stating valve chamber, is connected with guide post between the pedestal and the valve.
2. cylinder assembly as described in claim 1, it is characterised in that:The driving device is coaxial package in the guide post The compressed spring for going up and being connected between the pedestal and the valve.
3. cylinder assembly as described in claim 1, it is characterised in that:The bottom of the pedestal is provided with limiting device.
4. cylinder assembly as claimed in claim 3, it is characterised in that:The limiting device is retaining ring.
5. a kind of compressor, including body, cylinder assembly is provided in the body, it is characterised in that:The cylinder assembly tool Body is cylinder assembly according to any one of claims 1 to 4.
CN201610910944.1A 2016-10-19 2016-10-19 Compressor and its cylinder assembly Active CN106246509B (en)

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CN201610910944.1A CN106246509B (en) 2016-10-19 2016-10-19 Compressor and its cylinder assembly

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CN106246509B true CN106246509B (en) 2018-11-30

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108980047B (en) * 2018-08-27 2024-07-05 珠海凌达压缩机有限公司 Cylinder and compressor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1529793A (en) * 2001-06-11 2004-09-15 布里斯托尔压缩机公司 Compressor with capacity modulation system utilizing re-expansion chamber
CN2784623Y (en) * 2004-12-22 2006-05-31 上海日立电器有限公司 Pressure release protecting structure of rotary compressor
CN203867906U (en) * 2014-06-11 2014-10-08 珠海凌达压缩机有限公司 Rotary compressor
CN104179685A (en) * 2013-05-20 2014-12-03 珠海格力节能环保制冷技术研究中心有限公司 Rolling rotor compressor and its operation control method
CN206352566U (en) * 2016-10-19 2017-07-25 重庆凌达压缩机有限公司 Compressor and its cylinder assembly

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57200689A (en) * 1981-06-02 1982-12-08 Mitsubishi Heavy Ind Ltd Compressor
JPS597796A (en) * 1982-07-07 1984-01-14 Hitachi Ltd Rotary type compressor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1529793A (en) * 2001-06-11 2004-09-15 布里斯托尔压缩机公司 Compressor with capacity modulation system utilizing re-expansion chamber
CN2784623Y (en) * 2004-12-22 2006-05-31 上海日立电器有限公司 Pressure release protecting structure of rotary compressor
CN104179685A (en) * 2013-05-20 2014-12-03 珠海格力节能环保制冷技术研究中心有限公司 Rolling rotor compressor and its operation control method
CN203867906U (en) * 2014-06-11 2014-10-08 珠海凌达压缩机有限公司 Rotary compressor
CN206352566U (en) * 2016-10-19 2017-07-25 重庆凌达压缩机有限公司 Compressor and its cylinder assembly

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