WO2016148361A1 - Électrovalve de régulation de jet d'huile - Google Patents

Électrovalve de régulation de jet d'huile Download PDF

Info

Publication number
WO2016148361A1
WO2016148361A1 PCT/KR2015/010672 KR2015010672W WO2016148361A1 WO 2016148361 A1 WO2016148361 A1 WO 2016148361A1 KR 2015010672 W KR2015010672 W KR 2015010672W WO 2016148361 A1 WO2016148361 A1 WO 2016148361A1
Authority
WO
WIPO (PCT)
Prior art keywords
spool
operating space
plunger
solenoid valve
oil
Prior art date
Application number
PCT/KR2015/010672
Other languages
English (en)
Korean (ko)
Inventor
이창훈
문국찬
이지용
박지훈
심윤용
Original Assignee
주식회사 유니크
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 주식회사 유니크 filed Critical 주식회사 유니크
Publication of WO2016148361A1 publication Critical patent/WO2016148361A1/fr

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/16—Controlling lubricant pressure or quantity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid

Definitions

  • the present invention relates to an oil jet solenoid valve, and more particularly to a solenoid valve used to control the flow of oil for cooling and lubricating the piston.
  • automobiles are classified into gasoline vehicles using gasoline as a fuel, diesel vehicles using diesel as a fuel, and LPG vehicles using Liquefied Petroleum Gas (LPG) as fuel.
  • a diesel vehicle is usually powered by a high injection pressure of 100 to 300 atm in the air of 500 to 550 ° C. compressed in the combustion chamber at about 40 atm to obtain power, that is, injected with compressed heat of air.
  • Fuel causes self-ignition and uses engines that convert thermal energy into mechanical energy.
  • An oil pan is installed in the lower part of the cylinder block constituting the engine, and the oil pan stores engine oil (lubricating oil) for cooling and lubrication.
  • Oil stored in the oil pan is pumped to the main gallery by lubricators such as oil pan, oil strainer and oil pump, and supplied to the head gallery and oil jet gallery to cool and lubricate each part of the engine and then to the oil pan. It is recovered.
  • the conventional lubrication method is configured to supply the same amount of oil for each gallery, when the amount of oil required in the gallery differs depending on the driving region and the operating state of the engine, oil is wasted.
  • the main and head galleries require large amounts of oil, but the oil jet gallery requires a relatively small amount of oil.
  • the gallery has a problem with more oil than necessary.
  • the present invention relates to a solenoid valve installed between a main gallery and an oil jet gallery.
  • the present invention provides an oil jet solenoid valve capable of minimizing frictional resistance generated during movement of a spool and relieving the operating resistance of a plunger. There is a purpose.
  • Oil jet solenoid valve for achieving the above object is the upper body formed therein the first operating space for connecting a plurality of ports and the lower body extending downward from the upper body and the second operating space formed therein
  • a hollow holder comprising: a spool movably installed in the first operating space to connect or block the port; a spring installed in the first operating space and elastically supporting the spool downward; and the second A plunger movably installed in the operating space to move the spool, a bobbin coupled to the circumference of the lower body and wound with a coil on an outer circumferential surface, a plate positioned below the bobbin and inserted into a lower end of the lower body; And a case surrounding the holder, the bobbin, the housing, and the plate.
  • the spool includes a large diameter portion contacting the inner wall of the first operating space and a small diameter portion spaced apart from the inner wall of the first operating space.
  • the spool is formed with a flow path connecting the top and bottom of the spool.
  • a connecting passage is formed between the first operating space and the second operating space, and a rod is installed in the connecting passage so as to be movable.
  • the connecting passage has a smaller diameter than the first operating space and the second operating space, and a cylindrical stopper is installed at a lower end of the connecting passage, and the stopper is lower than an upper surface of the second operating space. It protrudes.
  • the upper surface of the plate is formed with a mounting groove into which the lower end of the lower body is inserted, the lower end of the lower body is spaced apart from the bottom of the mounting groove.
  • the frictional resistance generated during the movement of the spool can be minimized.
  • the rod moving with the spool is formed with a smaller diameter than the connecting passage, precision processing is not required when manufacturing the rod, thereby reducing labor and cost.
  • the stopper installed in the connection passage protrudes into the second working space to separate the plunger which is raised when the power is applied from the upper surface of the second working space. Therefore, the operating resistance of the plunger generated by the magnetic field remaining in the holder when the power supply is cut off can be eliminated.
  • the present invention is spaced apart from the bottom of the mounting groove in a state in which the lower body of the holder is inserted into the mounting groove of the plate, preventing the lower body from contacting the plate in the process of caulking the bottom of the case when assembling the valve can do.
  • FIG. 1 is a front view of an oil jet solenoid valve according to an embodiment of the present invention.
  • FIG. 2 is a plan view of an oil jet solenoid valve according to an embodiment of the present invention.
  • FIG. 3 is a cross-sectional view taken along the line A-A of FIG.
  • Figure 4 is an operating state of the oil jet solenoid valve according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of an oil jet solenoid valve according to another embodiment of the present invention.
  • FIG. 6 is a cross-sectional view of an oil jet solenoid valve according to another embodiment of the present invention.
  • an oil jet solenoid valve (hereinafter referred to as a “valve”) according to an embodiment of the present invention includes a hollow holder 100 having first and second operating spaces 132 and 134 formed therein. ), A spool 200 and a spring 300 installed in the first operating space 132, a plunger 400 movably installed in the second operating space 134, and a bobbin coupled to the holder 100.
  • Holder 100 is a multi-stage cylindrical shape consisting of the upper body 110 and the lower body 120.
  • the upper body 110 of the holder 100 is formed with a larger diameter than the lower body 120.
  • a supply port 112 connected to the main gallery (not shown) is formed at the middle of the upper body 110, and a control port 114 connected to an oil jet gallery (not shown) is formed on an upper surface of the upper body 110.
  • a first operating space 132 connecting the supply port 112 and the control port 114 is formed inside the upper body 110.
  • the oil pumped from the main galler and introduced into the supply port 112 is controlled by the spool 200 in a process of being transported along the first operating space 132 and then through the control port 114. Ejected to an oil jet gallery (not shown).
  • an annular filter 116a is provided at the middle of the upper body 110, and a plate-shaped filter 116b is installed at the upper surface of the upper body 110.
  • the lower body 120 of the holder 100 has a cylindrical shape having a diameter smaller than that of the upper body 110.
  • Magnetic reinforcement grooves 122 are formed in the middle of the lower body 120.
  • the magnetic reinforcement groove 122 is manufactured in a tapered shape that becomes narrower toward the center of the lower body 120 so that the magnetic field generated around the lower body 120 is concentrated in the magnetic reinforcement groove 122. As such, when the magnetic field is concentrated and the magnetic flux density of the magnetic reinforcement groove 122 is increased, sufficient magnetic force may be secured to smoothly move the plunger 400.
  • the second operating space 134 is formed in the lower body 120, and the plunger 400 is installed in the second operating space 134 to be movable.
  • the second working space 134 is connected to the first working space 132 through a connection passage 136.
  • the connection passage 136 has a smaller diameter than the first and second operating spaces 132 and 134, and an insertion groove 138 for installing the stopper 140 is formed at a lower end thereof.
  • the stopper 140 is a means for limiting the rise of the plunger 400. That is, the lower end of the stopper 140 protrudes into the second operating space 134 to limit the rise of the plunger 400 to prevent the plunger 400 from contacting the upper surface of the second operating space 134. This is to solve the operating resistance of the plunger 400 due to the magnetic field remaining in the holder 100 when the power is cut off.
  • the magnetic field generated around the holder 100 that is, the lower body 120
  • This residual magnetic field interferes with the movement (falling) of the plunger 400, and the influence of the residual magnetic field is greater when the plunger 400 is in contact with the upper surface of the second operating space 134.
  • the stopper 140 by using the stopper 140 to separate the plunger 400 from the upper surface of the second operating space 134, it is possible to solve the operating resistance of the plunger 500 by the magnetic field remaining in the lower body 120.
  • the non-magnetic stopper 140 when used, the effect of the residual magnetic field can be reliably blocked to more effectively solve the operating resistance of the plunger 400.
  • the spool 200 is installed to be movable in the first operating space 132 to open or close the supply port 112 and to control the oil introduced through the supply port 112 to a predetermined pressure.
  • the spool 200 has a multistage cylindrical shape including a large diameter portion 210 and a small diameter portion 220.
  • the large diameter portion 210 of the spool 200 is formed to have the same diameter as the inner diameter of the first operating space 132 to contact the inner wall of the first operating space 132 when the spool 200 moves.
  • the small diameter portion 220 of the spool 200 is formed to have a smaller diameter than the large diameter portion 210 and is spaced apart from the inner wall of the first operating space 132. Since the spool 200 having such a shape can reduce the contact area with the first operating space 132, the frictional resistance generated during the movement of the spool 200 can be minimized.
  • the flow path 230 is formed inside the spool 200.
  • the flow path 230 connects the first operating space 132 partitioned by the spool 200 to operate the resistance of the spool 200 by the oil filled in the first operating space 132 when the spool 200 is moved. To solve the problem.
  • a mounting groove 212 is formed on an upper surface of the large diameter portion 210 of the spool 200, and a spring 300 that elastically supports the spool 200 downward is installed in the mounting groove 212.
  • the rod 240 is press-fitted to the lower surface of the small diameter portion 220, and the rod 240 extends through the connection passage 136 to the second operation space 134. At this time, the rod 240 is formed with a smaller diameter than the connection passage 136, there is no fear that friction resistance with the connection passage 124 is generated during the movement.
  • the spool 200 has a structure in which the rod 240 is press-fitted, and the spool 200 and the rod 240 are disposed on the same axis, so that the distance between the connection passage 136 and the rod 240 is constant. I can keep it. Therefore, it is possible to solve the operating resistance by the oil moving the first operating space 132 and the second operating space 134.
  • the bobbin 500 has a spool shape in which a flange 510 is formed at an upper end and a lower end.
  • the flange 510 serves to guide the coil 600 to be wound to a certain thickness while protecting the coil 600 wound around the outer circumferential surface of the bobbin 500.
  • the coil 600 is a conductive wire that generates a magnetic field around the bobbin 500.
  • the coil 600 is tightly and uniformly wound around the outer circumferential surface of the bobbin 500 to form a cylindrical shape of a constant thickness.
  • the magnetic field generated in the coil 600 is concentrated in the magnetic reinforcement groove 122 to move (raise) the plunger 400.
  • the strength of the magnetic field for moving the plunger 400 is proportional to the strength of the current flowing along the coil 600 and the number of coils 600 wound on the bobbin 500. Therefore, when a high current is applied to the coil 600 and when the coil 600 is wound up a lot, a strong magnetic field may be generated to reliably control the movement of the plunger 400.
  • the plunger 400 is a movable iron core movably installed in the second operation space 134 to reciprocate by a magnetic field generated in the coil 600.
  • the plunger 400 has a passage 410 penetrating the plunger 400 up and down.
  • the passage 410 connects the second operation space 134 partitioned by the plunger 400 to operate the resistance of the plunger 400 by the oil filled in the second operation space 134 when the plunger 400 moves.
  • the passage 410 is eccentric a predetermined distance from the center of the plunger 400, to prevent the passage 410 is closed by the contact with the rod 240.
  • the lower surface of the plunger 400 is formed into a curved surface to make point contact with the bottom of the plate 800.
  • the plunger 400 can be smoothly moved by blocking the flow of the magnetic field leading to the plunger 400 through the bottom of the plate 800.
  • the frictional resistance due to the inclination of the plunger 400 may be eliminated without affecting the inclination of the plunger 400.
  • the housing 700 is formed to surround the bobbin 500, and a connector 710 is formed at one side.
  • the terminal 720 is electrically connected to the coil 600 in the connector 710.
  • the plate 800 is a fixed iron core for inducing a magnetic field generated in the coil 600 to move the plunger 400 which is a movable iron core.
  • the plate 800 is located at the bottom of the bobbin 400 and is coupled to the bottom of the lower body 120.
  • a mounting groove 810 into which the lower end of the lower body 120 is inserted is formed on the upper surface of the plate 800.
  • the lower end of the lower body 120 inserted into the mounting groove 810 is spaced apart from the bottom of the mounting groove 810. Therefore, when the plate 800 is assembled, the deformation caused by the contact between the lower body 120 and the plate 800, that is, the deformation of the lower body 120 may be prevented.
  • the case 900 is a cylindrical shape in which the top and bottom are open.
  • An interior of the case 900 includes a storage space 910, and components 100 to 800 including the bobbin 500 are installed in the storage space 910.
  • the lower end of the case 900 is caulked to surround the plate 800 so that the parts 100 to 800 installed inside the case 800 are in close contact with each other.
  • FIG 3 illustrates a state in which no power is applied to the valve.
  • the spool 200 descends by the elasticity of the spring 300 and connects the supply port 112 and the control port 114. Therefore, the oil conveyed from the main gallery (not shown) is transferred to the first operating space 132 supplied through the supply port 112, and is transferred to the oil jet gallery (not shown) through the control port 114.
  • FIG 5 illustrates an oil jet solenoid valve according to another embodiment of the present invention.
  • the valve according to the present embodiment includes a hollow holder 100, a spool 200 and a spring 300 installed in the first operating space 132 of the holder 100, and a second operating space of the holder 100.
  • a plunger 400 movably installed at 134, a bobbin 500 coupled to the holder 100, a coil 600 wound around the outer circumferential surface of the bobbin 500, and a housing surrounding the bobbin 500.
  • 700 a plate 800 coupled to the lower end of the holder 100, and a case 900 surrounding the circumference of the valve.
  • the rod 240 is installed between the spool 200 and the plunger 400 among the valves of the above-described configuration, and the rod 240 is manufactured in a form extending from the spool 200 unlike the above-described embodiment. That is, it extends from the bottom of the spool 200 and contacts the plunger 400.
  • the spool 200 described above has a structure formed integrally with the rod 240. Since the spool 200 and the rod 240 are disposed on the same axis, the spool 200 has a first operating space 132 and a second operating space 134. It can eliminate the working resistance caused by the moving oil. In particular, compared to the structure of the spool 200 (rod 240 press-fit structure) according to an embodiment has the advantage of easy processing of the spool 200.
  • FIG 6 illustrates an oil jet solenoid valve according to another embodiment of the present invention.
  • the valve according to the present embodiment includes a hollow holder 100, a spool 200 and a spring 300 installed in the first operating space 132 of the holder 100, and a second operating space of the holder 100.
  • a plunger 400 movably installed at 134, a bobbin 500 coupled to the holder 100, a coil 600 wound around the outer circumferential surface of the bobbin 500, and a housing surrounding the bobbin 500.
  • 700 a plate 800 coupled to the lower end of the holder 100, and a case 900 surrounding the circumference of the valve.
  • the rod 240 is installed between the spool 200 and the plunger 400 among the valves having the above-described configuration, and the rod 240 is manufactured in a form separate from the spool 200 unlike the above-described embodiments. That is, the rod 240 is installed to be movable in the connecting passage 136, the upper and lower ends are in contact with the spool 200 and the plunger 400, respectively.
  • the rod 240 when the rod 240 is manufactured in a form separated from the spool 200, even if the center of the spool 200 and the rod 240 are slightly displaced, the rod 240 has no effect on the reciprocating motion of the spool 200. There is no concern, and precise manufacturing is not necessary when manufacturing the rod 240, thereby reducing manufacturing cost and manufacturing time.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

La présente invention concerne une électrovalve qui est conçue pour réguler l'écoulement d'une huile de refroidissement et de lubrification d'un piston, comprenant : un support creux qui est constitué d'un corps supérieur présentant un premier espace de fonctionnement pour connecter une pluralité d'orifices formés à l'intérieur de celui-ci, et d'un corps inférieur qui s'étend vers le bas à partir du corps supérieur et présente un second espace de fonctionnement formé à l'intérieur de celui-ci ; un tiroir qui est installé de manière mobile dans le premier espace de fonctionnement pour ouvrir ou fermer les orifices ; un ressort qui est installé dans le premier espace de fonctionnement et qui supporte élastiquement le tiroir vers le bas ; un piston qui est installé de manière mobile dans le second espace de fonctionnement et qui est en contact avec l'extrémité inférieure du tiroir ; une bobine qui est reliée autour de la circonférence du corps inférieur et possède un enroulement enroulé autour de la surface circonférentielle de celle-ci ; une plaque qui est disposée dans la partie inférieure de la bobine et dans laquelle l'extrémité inférieure du corps inférieur est insérée ; et un boîtier qui entoure le support, la bobine, le boîtier et la plaque.
PCT/KR2015/010672 2015-03-18 2015-10-08 Électrovalve de régulation de jet d'huile WO2016148361A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150037284A KR101696256B1 (ko) 2015-03-18 2015-03-18 오일 젯 솔레노이드 밸브
KR10-2015-0037284 2015-03-18

Publications (1)

Publication Number Publication Date
WO2016148361A1 true WO2016148361A1 (fr) 2016-09-22

Family

ID=56920077

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2015/010672 WO2016148361A1 (fr) 2015-03-18 2015-10-08 Électrovalve de régulation de jet d'huile

Country Status (2)

Country Link
KR (1) KR101696256B1 (fr)
WO (1) WO2016148361A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102086424B1 (ko) * 2018-08-08 2020-03-09 주식회사 유니크 솔레노이드 밸브

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003106472A (ja) * 2001-09-11 2003-04-09 Hyundai Motor Co Ltd オイルコントロールバルブ
KR20070025246A (ko) * 2005-09-01 2007-03-08 현대모비스 주식회사 브레이크 오일 흐름 제어용 솔레노이드 밸브
JP2007170400A (ja) * 2005-12-23 2007-07-05 Delphi Technologies Inc オイル流れ制御バルブを作動するための方法及び装置
KR101093449B1 (ko) * 2011-07-15 2011-12-19 주식회사 유니크 오일 컨트롤 밸브
KR20140066558A (ko) * 2012-11-23 2014-06-02 주식회사 유니크 솔레노이드 밸브

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100552742B1 (ko) 2003-10-29 2006-02-20 현대자동차주식회사 디젤 엔진 차량의 윤활 시스템
JP4569371B2 (ja) * 2005-04-28 2010-10-27 株式会社デンソー リニアソレノイド
KR101183038B1 (ko) * 2012-07-16 2012-09-20 주식회사 유니크 솔레노이드 밸브

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003106472A (ja) * 2001-09-11 2003-04-09 Hyundai Motor Co Ltd オイルコントロールバルブ
KR20070025246A (ko) * 2005-09-01 2007-03-08 현대모비스 주식회사 브레이크 오일 흐름 제어용 솔레노이드 밸브
JP2007170400A (ja) * 2005-12-23 2007-07-05 Delphi Technologies Inc オイル流れ制御バルブを作動するための方法及び装置
KR101093449B1 (ko) * 2011-07-15 2011-12-19 주식회사 유니크 오일 컨트롤 밸브
KR20140066558A (ko) * 2012-11-23 2014-06-02 주식회사 유니크 솔레노이드 밸브

Also Published As

Publication number Publication date
KR20160113345A (ko) 2016-09-29
KR101696256B1 (ko) 2017-01-24

Similar Documents

Publication Publication Date Title
CN100543292C (zh) 流体供给泵
WO2016056859A1 (fr) Soupape de commande de pompe à huile
WO2016148361A1 (fr) Électrovalve de régulation de jet d'huile
US5673853A (en) Electromagnetic fuel injector control valve
CN104781543A (zh) 高压燃料供给泵
JP5909502B2 (ja) 高圧燃料供給ポンプ
US6688578B1 (en) Electromagnetic actuator for a fuel injector having an integral magnetic core and injector valve body
US20160290299A1 (en) High-Pressure Fuel Supply Pump
CA1141248A (fr) Systeme d'alimentation en carburant pour moteurs
US4639704A (en) Debris tolerant solenoid
CN109416132A (zh) 可变容量型压缩机用控制阀
US10006561B2 (en) Electromagnet of an electromagnetically actuated fluid valve
CN211951495U (zh) 发动机活塞冷却系统智能控制电磁阀
KR102087200B1 (ko) 내연기관의 피스톤
US7588021B2 (en) Spark plug circuit
KR101838010B1 (ko) 오일 젯 솔레노이드 밸브
CN110985694A (zh) 一种带有开启压力的发动机活塞冷却喷嘴的电磁控制阀
US10876444B2 (en) Electric valve device, fresh air passage mechanism, and internal-combustion engine
JP6681448B2 (ja) 高圧燃料供給ポンプ
CN111237538A (zh) 发动机活塞冷却系统大流量智能控制电磁阀
KR20200069244A (ko) 유체 계량 밸브, 특히 연료 분사 밸브
WO2016056860A1 (fr) Vanne de commande de pompe à huile
CN211951647U (zh) 发动机活塞冷却系统大流量智能控制电磁阀
JP2018179025A (ja) エアバイパスバルブ
CN211779077U (zh) 一种分体式活塞冷却阀

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15885663

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15885663

Country of ref document: EP

Kind code of ref document: A1