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WO2014200171A1 - Plaque porte-soupape de refoulement de type soupape flexible - Google Patents

Plaque porte-soupape de refoulement de type soupape flexible Download PDF

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Publication number
WO2014200171A1
WO2014200171A1 PCT/KR2014/002544 KR2014002544W WO2014200171A1 WO 2014200171 A1 WO2014200171 A1 WO 2014200171A1 KR 2014002544 W KR2014002544 W KR 2014002544W WO 2014200171 A1 WO2014200171 A1 WO 2014200171A1
Authority
WO
WIPO (PCT)
Prior art keywords
discharge
fixing piece
piece
valve plate
rear housing
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.)
Ceased
Application number
PCT/KR2014/002544
Other languages
English (en)
Korean (ko)
Inventor
이건호
이태진
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Doowon Electronics Co Ltd
Doowon Technical College
Original Assignee
Doowon Electronics Co Ltd
Doowon Technical College
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Doowon Electronics Co Ltd, Doowon Technical College filed Critical Doowon Electronics Co Ltd
Publication of WO2014200171A1 publication Critical patent/WO2014200171A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component 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
    • F04B39/10—Adaptations or arrangements of distribution members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component 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
    • F04B39/10—Adaptations or arrangements of distribution members
    • F04B39/1073—Adaptations or arrangements of distribution members the members being reed valves

Definitions

  • the present invention relates to a lead type discharge valve plate, and more particularly, fixed refrigerant is installed between the cylinder block and the rear housing of the automobile compressor, and selects the refrigerant compressed in each cylinder bore formed radially in the cylinder block.
  • a discharge type valve plate of a lead type which is intermittently discharged so as to be discharged (specified compression pressure).
  • variable displacement compressor that can change the discharge amount of the refrigerant in order to obtain a cooling capacity without being regulated by the rotational speed of the engine has been widely used.
  • variable displacement compressors such as swash plate type, rotary type and scroll type.
  • the swash plate type compressor In the swash plate type compressor, the swash plate installed so that the inclination angle is variable in the crank chamber is rotated according to the rotational motion of the rotating shaft, and the piston is reciprocated by the rotational motion of the swash plate.
  • the refrigerant in the suction chamber is sucked into the cylinder by the reciprocating motion of the piston, compressed, and then discharged into the discharge chamber.
  • the inclination angle of the swash plate is changed according to the pressure difference in the crank chamber and the pressure in the suction chamber to adjust the discharge amount of the refrigerant. Will be.
  • the solenoid type capacity control valve is adopted to control the pressure of the crankcase by opening and closing the valve by energizing, and thereby adjusting the discharge capacity by adjusting the inclination angle of the swash plate.
  • the operation of the capacity control valve is performed by a controller in which a signal such as the detected engine speed, the temperature inside or outside the vehicle, the evaporator temperature, etc. is built in by the CPU, and based on the calculation result, the electric current of the capacity control valve By being sent to the coil.
  • a valve plate having suction ports and discharge ports formed therebetween is disposed between the housing and the cylinder block, and the suction port and the discharge port are opened and closed by a lead.
  • a conventional compressor is disclosed in Korean Patent Laid-Open Publication No. 10-2010-0062259 (June 12, 2010), a head having a discharge chamber and a suction chamber formed therein, coupled with the head, and having a discharge chamber and a suction chamber therein;
  • a cylinder block which is selectively connected and has a plurality of cylinder bores for compressing refrigerant while linearly reciprocating the piston, and transmits power for linear reciprocation of the piston, and rotates through the center of the head and the cylinder block.
  • a compressor having a valve assembly composed of a formed reed valve, wherein the oil is stored between the discharge hole and the shaft support hole among surfaces of the valve plate at a position corresponding to the discharge lead of the reed valve for opening and closing the discharge hole.
  • a compressor in which the storage groove is recessed.
  • the conventional valve plate 1 has a structure in which the reed valve 2 is radially disposed with respect to the center point as shown in FIG. 1 in order to be formed in the internal structure of the limited housing.
  • (1) has a problem in that the length of the lead that gives elasticity to the valve is short, and the resistance (elastic restoring force) of the valve increases.
  • the compressed refrigerant can be reduced by discharging at a predetermined pressure and a predetermined discharge amount during the discharge process. As the resistance (elastic restoring force) of the valve increases, the refrigerant that is extruded at a predetermined pressure and a fixed discharge amount is not discharged. Not only did the compressor control not be achieved, but there was a problem that the cooling capacity due to the loss of the discharge process is lowered.
  • the present invention extends the support piece from the fixed piece constituting the main body of the discharge valve plate and extends the lead piece from the support piece, thereby resisting the discharge of the compressed refrigerant.
  • Lowered (elastic restoring force) than the conventional valve plate the compressed refrigerant is discharged at a specified pressure and the discharge amount of a fixed amount, to perform a smooth refrigerant discharge process, and to reduce the loss generated during the discharge process of the lead type Its purpose is to provide a valve plate.
  • the lead type discharge valve plate according to the present invention is provided in the rear housing of the compressor, the annular fixing piece fixed to the inside of the rear housing so as to intermittently discharge the refrigerant compressed by the piston in the cylinder bore;
  • a plurality of discharge valves corresponding to the rear end of the cylinder bore formed in the rear housing and disposed radially along the circumference of the fixing piece is included.
  • the discharge valve according to the present invention is formed extending from the fixing piece in the direction of the center of the annular fixing piece and having elasticity, and is formed extending from the center of the support piece in the outward direction from the center of the annular fixing piece is elastic And a valve piece formed in a fan shape at the end of the lead piece and intermittently discharging the refrigerant compressed by the cylinder bore.
  • the discharge valve plate of the lead type according to the present invention is formed extending in the direction of the center point between the discharge valves in the annular fixing piece, a plurality of to ensure the mounting position and direction when the fixing piece is mounted in the lower housing Location confirmation may be further included.
  • the lead type discharge valve plate according to the present invention has the following effects.
  • the support piece is extended from the fixed piece constituting the main body of the discharge valve plate, and the lead piece is formed from the support piece, thereby lowering the resistance (elastic restoring force) of the valve for controlling the discharge of the compressed refrigerant, compared to the conventional valve plate. Therefore, the cooling capacity is prevented from being lowered and the power consumption of the compressor is reduced.
  • FIG. 1 is an exemplary view showing a discharge valve plate of a conventional lead type.
  • FIG. 2 is an exemplary view briefly showing the configuration of a variable displacement swash plate compressor.
  • Figure 3 is an exemplary view showing a discharge valve plate of the lead type according to the present invention.
  • FIG. 4 is an exemplary view showing a state in which a lead type discharge valve plate according to the present invention is mounted in a rear housing.
  • a support piece is extended from a fixed piece constituting the main body of the discharge valve plate, and a lead piece is extended from the support piece, thereby reducing the resistance (elastic restoring force) of the valve to control the discharge of the compressed refrigerant.
  • the compressed refrigerant is discharged at a predetermined pressure and a fixed amount of discharge, to perform a smooth refrigerant discharge process, and a lead type discharge valve plate that can reduce the loss generated during the discharge process, refer to the drawings Looking in more detail as follows.
  • variable displacement swash plate compressor (C) is largely the front housing 20, cylinder block 10, rear housing 30
  • the cylinder block 10 is parallel to the longitudinal direction, a plurality of cylinder bores 11 are arranged radially along the inner circumference, and each of the piston 12 in the cylinder bore 11 This reciprocating motion is provided.
  • the front housing 20 is coupled to the front of the cylinder block 10, the crank chamber 21 is provided inside the front housing 20, the drive shaft 40 in the center of the front housing 20 ) Is rotatably supported, and the other end of the drive shaft 40 is supported through a bearing installed in the cylinder block 10 through the crank chamber 21.
  • a lug plate 60 and a swash plate 50 are installed in the drive shaft 40 located inside the crank chamber 21.
  • the lug plate 60 has a pair of linearly perforated guide holes 62 in the center thereof.
  • the power transmission support arm 61 is formed to protrude integrally on one surface.
  • a ball is formed on one surface of the swash plate 50, and as the lug plate 60 rotates, the ball of the swash plate 50 slides and moves in the guide hole 62 of the lug plate 60. ) Inclination angle is variable.
  • a shoe 51 is provided on an outer circumferential surface of the swash plate 50 so as to be slidably fitted to each of the pistons 12.
  • the refrigerant in the suction chamber 31 is sucked into the cylinder bore 11, compressed and discharged to the discharge chamber 32, the pressure in the crank chamber 21 and the suction chamber ( 31) or the inclination angle of the swash plate 50 is changed in accordance with the pressure difference in the cylinder bore 11 to adjust the discharge amount of the refrigerant.
  • It includes a rear housing 30 which is hermetically coupled to the rear of the cylinder block 10 via a valve plate.
  • a suction chamber 31 and a discharge chamber 32 are formed in the rear housing 30, respectively, and a valve plate is interposed between the rear housing 30 and the cylinder block 10.
  • the above-mentioned compressor (C) is just one example in which the valve plate according to the present invention is installed, and is applicable to all other types of variable displacement compressors.
  • the discharge valve plate 100 of the valve plate As shown in FIGS. 3 and 4 to form a main body of the discharge valve plate 100, it is fixed fixed to the inside of the rear housing 30
  • the piece 110 is formed in an annular shape and is correspondingly fixed in the rear housing 30.
  • a plurality of discharge valve 120 is disposed radially along the circumferential edge of the annular fixing piece 110, the discharge valve 120 is disposed to correspond to the plurality of cylinder bores (11).
  • the discharge valve 120 corresponds to the discharge port, and the opening and closing operation is performed such that the refrigerant compressed by the piston 12 in the cylinder bore 11 is discharged to the discharge chamber 32. do.
  • the discharge valves 120 disposed radially along the circumferential periphery of the annular fixing piece 110 are provided as a support piece 121, a lead piece 122, and a valve piece 123.
  • the support piece 121 is formed extending from the fixing piece 110 to the center side of the annular fixing piece, the plate-shaped 'U' or 'V' shape Is formed.
  • the support piece 121 is formed in a 'U' or 'V' shape, because the end is connected to the fixing piece 110 has its own elasticity is elastically deformed by the discharge pressure (Pd).
  • the lead piece 122 extends in the outward direction at the center of the support piece 121, so that only one end of the lead piece 122 is connected to the center of the support piece 121, thereby discharging itself. It elastically deforms by the pressure Pd.
  • the end of the lead piece 122 includes a valve piece 123 which is formed in a fan shape that becomes wider toward the outside and opens and closes the discharge port formed in the rear housing 30 of the compressor C.
  • valve piece 123 is described as being limited to a fan, but the present invention is not limited thereto and may be formed in various shapes corresponding to the shape of the discharge port.
  • the overall lead is longer than the conventional one by the sum of the lengths of the support piece 121 and the lead piece 122, so that the resistance of the valve piece to control the discharge of the refrigerant (elasticity) Since the restoring force is lower than in the related art, the loss occurring in the process of discharging the refrigerant is reduced.
  • annular fixing piece 110 is formed extending in the direction of the center point of the fixing piece 110, when the fixing piece 110 is mounted in the rear housing 30 to check the mounting position and the plurality of Positioning piece 130 is further included.
  • the positioning piece 130 is applicable to the number and arrangement position according to the internal structure of the rear housing (30).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)

Abstract

La présente invention concerne une plaque porte-soupape de refoulement de type soupape flexible, et concerne plus particulièrement une plaque porte-soupape de refoulement de type soupape flexible comprenant : une pièce de fixation de forme annulaire qui est disposée sur un carter arrière d'un compresseur et qui est fixée à l'intérieur du carter arrière, destinée à permettre une commande de sorte qu'un liquide de refroidissement comprimé par un piston dans un alésage soit refoulé de manière sélective ; et une pluralité de soupapes de refoulement qui correspondent à l'extrémité arrière de l'alésage de cylindre formé à l'intérieur du carter arrière, et qui sont disposées radialement le long de la circonférence de la pièce de fixation, les soupapes de refoulement comprenant des pièces de support élastiques formées de manière à s'étendre à partir de la pièce de fixation vers le point central de la pièce de fixation de forme annulaire, des pièces de ruban élastiques étant formées de manière à s'étendre à partir d'une partie centrale des pièces de support et étant formées vers l'extérieur à partir du point central de la pièce de fixation de forme annulaire, et des pièces de soupape étant formées de façon à présenter une forme d'éventail au niveau de la section verticale des pièces de ruban, afin de réguler le refoulement du liquide de refroidissement qui est comprimé dans l'alésage de cylindre, réduisant ainsi la résistance (force de restauration élastique) des soupapes qui régulent le refoulement du liquide de refroidissement comprimé par comparaison aux plaques porte-soupape existantes, et empêchant ainsi une perte de capacité de refroidissement tout en réduisant la force d'entraînement nécessaire pour le compresseur.
PCT/KR2014/002544 2013-06-13 2014-03-26 Plaque porte-soupape de refoulement de type soupape flexible Ceased WO2014200171A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2013-0067781 2013-06-13
KR1020130067781A KR20140145659A (ko) 2013-06-13 2013-06-13 리드 타입의 토출 밸브플레이트

Publications (1)

Publication Number Publication Date
WO2014200171A1 true WO2014200171A1 (fr) 2014-12-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2014/002544 Ceased WO2014200171A1 (fr) 2013-06-13 2014-03-26 Plaque porte-soupape de refoulement de type soupape flexible

Country Status (2)

Country Link
KR (1) KR20140145659A (fr)
WO (1) WO2014200171A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107781140A (zh) * 2017-11-30 2018-03-09 合肥安信瑞德精密制造有限公司 一种多舌簧单缸冰箱压缩机吸气阀片
CN112081726A (zh) * 2020-09-22 2020-12-15 合肥安信通用阀片制造有限公司 一种吸气阀片及制造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0849655A (ja) * 1994-08-05 1996-02-20 Toyota Autom Loom Works Ltd 往復動型圧縮機
US20020176786A1 (en) * 2001-05-01 2002-11-28 Calsonic Kansei Corporation Piston type compressor
US7972119B2 (en) * 2007-11-05 2011-07-05 Kabushiki Kaisha Toyota Jidoshokki Variable displacement compressor
KR101175881B1 (ko) * 2009-12-07 2012-08-21 한라공조주식회사 압축기
US20130084201A1 (en) * 2011-09-29 2013-04-04 Kabushiki Kaisha Toyota Jidoshokki Compressor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0849655A (ja) * 1994-08-05 1996-02-20 Toyota Autom Loom Works Ltd 往復動型圧縮機
US20020176786A1 (en) * 2001-05-01 2002-11-28 Calsonic Kansei Corporation Piston type compressor
US7972119B2 (en) * 2007-11-05 2011-07-05 Kabushiki Kaisha Toyota Jidoshokki Variable displacement compressor
KR101175881B1 (ko) * 2009-12-07 2012-08-21 한라공조주식회사 압축기
US20130084201A1 (en) * 2011-09-29 2013-04-04 Kabushiki Kaisha Toyota Jidoshokki Compressor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107781140A (zh) * 2017-11-30 2018-03-09 合肥安信瑞德精密制造有限公司 一种多舌簧单缸冰箱压缩机吸气阀片
CN112081726A (zh) * 2020-09-22 2020-12-15 合肥安信通用阀片制造有限公司 一种吸气阀片及制造方法

Also Published As

Publication number Publication date
KR20140145659A (ko) 2014-12-24

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