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WO2013166925A1 - Robinet de purge d'huile - Google Patents

Robinet de purge d'huile Download PDF

Info

Publication number
WO2013166925A1
WO2013166925A1 PCT/CN2013/074822 CN2013074822W WO2013166925A1 WO 2013166925 A1 WO2013166925 A1 WO 2013166925A1 CN 2013074822 W CN2013074822 W CN 2013074822W WO 2013166925 A1 WO2013166925 A1 WO 2013166925A1
Authority
WO
WIPO (PCT)
Prior art keywords
oil
oil drain
accommodating space
stopper
valve core
Prior art date
Application number
PCT/CN2013/074822
Other languages
English (en)
Chinese (zh)
Inventor
王正东
Original Assignee
广州顺爽贸易有限公司
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 广州顺爽贸易有限公司 filed Critical 广州顺爽贸易有限公司
Publication of WO2013166925A1 publication Critical patent/WO2013166925A1/fr

Links

Classifications

    • 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
    • F16K15/00—Check valves
    • F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
    • 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
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/04—Filling or draining lubricant of or from machines or engines
    • F01M11/0408—Sump drainage devices, e.g. valves, plugs
    • 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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
    • 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
    • F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
    • F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only

Definitions

  • the invention relates to an oil draining device used when the engine oil is leaked in the vehicle body. Background technique
  • the prior art oil draining device includes a drain connector and an adjustment structure, and the adjustment mechanism includes a spool and an elastic component.
  • the valve core is built in the small end accommodation space of the oil discharge joint, so that the oil displacement space of the oil discharge joint is small, and the flow passage of the oil oil is also small, which causes the oil discharge speed to be slow, and the drainage work efficiency is low. Summary of the invention
  • a drain valve comprising:
  • the oil draining joint is hollow and has a sealing area to form a first accommodating space.
  • the first accommodating space is composed of a small end accommodating space at the upper part and a large end accommodating space at the lower part, and the top of the oil drain joint is provided.
  • the first oil inlet hole communicates with the first accommodating space
  • the second oil inlet hole communicates with the first accommodating space on both sides
  • the oil outlet hole communicates with the first accommodating space at the bottom
  • the stopper Positioning connection with one end of the oil discharge joint having an oil outlet hole, and a drain hole on the stopper
  • an adjustment mechanism disposed in the first accommodation space of the oil discharge joint, including a valve core and an elastic component, the lower end of the valve core
  • the utility model is built in the large end accommodating space, and the lower end of the valve core is provided with a butt end which is matched with the stopper.
  • the bottom of the butt end is sleeved in the drain hole of the stopper, and the elastic component is sleeved at the upper end of the valve core.
  • the lower end of the valve core is built in the large end receiving space of the oil discharge joint, so that the large end receiving space of the oil discharge joint can also accommodate the oil, thereby increasing the space for accommodating the oil.
  • a stop block that is positioned in contact with the top of the oil drain connector may be included, and a second oil inlet hole is provided on the stop block.
  • the stop block improves the sealing of the oil drain connector and prevents debris from falling into the oil drain connector.
  • the outer wall of the oil drain joint may be in the shape of a five-fluted plum.
  • the outer wall of the lower end of the oil discharge joint is provided with five inwardly concave semi-cylindrical grooves, so that the lower end of the oil discharge joint has a cross section of a quincunx shape.
  • a sealing jaw may also be included, the sealing jaw being sleeved at the spool butt end.
  • the sealing ⁇ is added to improve the sealing effect of the valve core and effectively prevent oil leakage.
  • the spool longitudinal section can be a tall cup shape. Specifically, the upper end is U-shaped and the lower end is T-shaped. Thereby, the upper end of the valve core can closely fit the inner wall of the oil drain joint receiving space, It plays a guiding role to prevent the running position, and the lower end is closely fitted with the inner wall of the stopper to seal the oil and prevent oil leakage.
  • the upper end of the spool may be provided with a sealing zone to form a blind bore chamber. This increases the oil content of the oil drain joint and increases the oil drain rate.
  • the upper end of the spool may be provided with oil outlets communicating with the blind bore chamber on both sides. Thereby, the speed at which the oil flows to the drain hole is increased, and the draining speed is increased.
  • the upper end of the spool may be in close contact with the inner wall of the small end receiving space of the drain connector. Therefore, the spool can be operated with the small end receiving space as the guiding hole to prevent the running position, and effectively avoid the problem of oil leakage due to the spool running position.
  • the stopper may be hollow inside, and a sealing portion is disposed in the middle, so that the upper end of the stopper has a second accommodating space, the lower end has a third accommodating space, and the oil drain hole is disposed on the sealing area.
  • the second accommodating space on the blocking member is built in the large end accommodating space of the oil draining joint and communicates with the two, and the upper end of the valve core is built in the second accommodating space of the stopping member, and is close to the inner wall of the second accommodating space of the stopping member. fit.
  • the upper end of the valve core is built in the second accommodating space of the stopper, and the second accommodating space of the stopper is a guiding hole, which reduces the accommodating space occupied by the valve core in the oil drain valve joint, and increases the oil drain joint.
  • the oil space is increased, which in turn increases the oil drain rate.
  • the inner wall of the blind bore chamber can be provided with a tab that grips the resilient component. The lug is used to clamp the elastic component that is placed inside, so that the elastic component can be fixed so that it cannot be moved.
  • FIG. 1 is a cross-sectional view showing the structure of an oil discharge valve according to an embodiment of the present invention.
  • Figure 2 is an exploded perspective view of the oil drain valve of Figure 1.
  • Figure 3 is a cross-sectional view of the oil drain connector shown in Figure 1.
  • Figure 4 is a cross-sectional view of the spool shown in Figure 1.
  • FIG. 5 is a schematic structural view of a drain valve according to another embodiment of the present invention.
  • Figure 6 is a plan view of the spool shown in Figure 5.
  • Figure 7 is a cross-sectional view taken along line A-A of Figure 6. detailed description
  • Fig. 1 schematically shows a drain valve in accordance with an embodiment of the present invention.
  • the oil discharge valve includes an oil discharge joint 1, an adjustment mechanism, a stopper 5, and a stopper 6.
  • the adjustment mechanism includes a valve body 2 and an elastic component.
  • the elastic component is a spring 3.
  • the oil drain joint 1 is provided with a sealing portion 11 to form a first accommodating space 12.
  • the longitudinal section of the oil discharge joint 1 has a convex shape, and the first accommodating space 12 is composed of a small end accommodating space 121 and a large end accommodating space 122, and the two are in communication.
  • the spool 2 and the spring 3 are built in the first accommodating space 12.
  • the outer end of the stop block 6 is provided.
  • the inner wall of the upper end of the small-end accommodating space 121 is provided with an internal thread, and the stopper 6 is fixed in the small-end accommodating space 121 by a screw connection.
  • the inner wall of the lower end of the large end accommodating space 122 is provided with an internal thread, and the outer wall of the upper end of the stopper member 5 is provided with an external thread, and the two are fixed by a screw connection.
  • the top of the oil draining joint 1 has a first oil inlet hole 13 communicating with the small end receiving space 121, and two first oil inlet holes communicating with the small end receiving space 121 on both sides. 14.
  • the bottom portion has an oil outlet hole 15 communicating with the large end receiving space 122.
  • the outer wall of the large end accommodating space 122 is provided with five inwardly concave semi-cylindrical recesses 16 such that the cross section of the lower end of the oil discharge joint 1 is a quincunx shape, thereby requiring the oil drain joint to be disassembled by a specific tool.
  • the oil draining joint is prevented from being easily detached from the casing to cause oil leakage. As shown in FIG.
  • the stopper 5 is hollow, and a sealing portion 51 having a longitudinal cross section is provided in the middle so that the upper end of the stopper 5 has an external connection.
  • the second accommodating space 52 has a third accommodating space 53 connected to the outside.
  • the upper end of the stopper 5 is built in the large end accommodating space 122, so that the second accommodating space 52 is also placed in the large end accommodating space 122 and communicated with each other.
  • An oil drain hole 54 is formed in the sealing portion 51. The oil drain hole 54 allows the second accommodating space 52 to communicate with the third accommodating space 53.
  • the longitudinal section of the spool 2 is a goblet shape, specifically, a U-shape at the upper end and a T-shape at the lower end, thereby allowing the upper end and the small end of the spool 2 to accommodate the space 121.
  • the inner wall is closely fitted, and the small end receiving space 121 is used as a guiding hole during operation to prevent the running position, and the butt end 24 provided at the lower end can be attached to the sealing portion 51 to prevent oil leakage.
  • the longitudinal end section of the butt end 24 is an I-shaped shape, and the receiving space 241 is disposed in the middle, and the sealing jaw 4 is sleeved in the accommodating space 241 and is fitted to the sealing area 51.
  • the bottom of the pair of terminals 24 is a top contact end 242, and the top contact end 242 is sleeved in the drain hole 54.
  • the longitudinal contact end 242 has a trapezoidal longitudinal section which is large and small, so that when the spool 2 is operated, the small end portion of the top contact end 242 is firstly inserted into the drain hole 54, thereby guiding the valve core 2 to be misaligned.
  • the upper end of the spool 2 is provided with a sealing portion 21 to form a blind hole chamber 22, and the chamber 22 communicates with the small end receiving space 121 for accommodating the oil.
  • the periphery of the upper end of the spool 2 has four circular oil outlets 23 communicating with the chamber 22.
  • the longitudinal section of the stopper 6 is rectangular, so that the stopper 6 can be closely fitted to the inner wall of the small-end accommodating space 121, thereby improving the sealing property of the oil drain joint 1 and preventing the debris from falling into the space.
  • a blockage is caused in the oil joint 1.
  • a stopper hole 6 is provided with a second oil inlet hole 61.
  • the spring 3 is integrally fitted outside the upper end of the spool 2, and the upper end is in contact with the inner wall of the large-end accommodation space 122.
  • the oil drain valve of the present invention is generally disposed at the bottom of the oil tank.
  • the thrust is applied to the top end 242 - the upward thrust, the spool 2 is jacked up, the spring 3 is compressed, the sealing jaw 4 is separated from the sealing portion 51, and the top contact end 242 of the spool 2 is separated from the drain hole 54,
  • the oil flows from the second oil inlet hole 61 and the first oil inlet hole 14 into the small end accommodating space 121 and the chamber 22, and then flows into the large end accommodating space 122 and the second accommodating space 52 through the oil outlet port 23, Finally, it is discharged from the oil drain hole 54. After the oil drain is completed, the thrust applied to the top contact end 242 is canceled.
  • FIG. 5 is a schematic view showing the structure of a drain valve according to another embodiment of the present invention.
  • the upper end of the valve body 2 is changed to be completely built into the second accommodating space 52, and the outer wall of the valve body 2 is closely fitted with the inner wall of the second accommodating space 52, and the second accommodating space is used during operation.
  • 52 is a guiding hole to prevent running.
  • the oil outlet 23 is changed to a rectangular oil outlet 25 that penetrates the upper end of the valve body 2, and the four oil outlets 25 divide the sealing portion 21 into four portions.
  • the inner wall of the sealing portion 21 is provided with four protrusions 26 for clamping the elastic components.
  • the surface of the protrusions 26 that is attached to the elastic component is a circular arc surface, thereby making the inner side surface of the convex block 26 and the outer side of the elastic component The surface is tightly fitted to strengthen the clamping action of the elastic components and prevent the elastic components from coming loose.
  • the elastic component is a spring 3, and one end of the spring is sleeved in the chamber 22, and is clamped by the protrusion 26, and the other end is in contact with the inner wall of the large end receiving space 122.
  • the top end 242 When draining is required, the top end 242 is applied to the upward thrust, the spool 2 is jacked up, the spring 3 is compressed, the sealing jaw 4 is separated from the sealing zone 51, the top contact end 242 is separated from the drain hole 54, and the oil is removed from the second
  • the oil inlet hole 61 and the first oil inlet hole 14 flow into the small end accommodating space 121 and the chamber 22, and then flow into the large end accommodating space 122 and the second accommodating space 52 through the oil outlet port 25, and finally drain from the oil.
  • the hole 54 is vented. After the oil drain is completed, the thrust applied to the top contact end 242 is cancelled. Under the action of the spring force of the spring 3, the valve core 2 is quickly returned, and the sealing jaw 4 is fitted to the sealing portion 51 to seal the oil drain hole 54 to prevent leakage. oil.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding Valves (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

La présente invention a trait à un robinet de purge d'huile qui comprend : un connecteur de purgeur d'huile (1), dont l'intérieur est creux et pourvu d'une zone d'étanchéité (11) en vue de former un premier espace de logement (12), le premier espace de logement étant constitué d'un petit espace de logement d'extrémité (121) sur la partie supérieure et d'un grand espace de logement d'extrémité (122) sur la partie inférieure, des premiers orifices de remplissage d'huile (13) qui sont en communication avec le premier espace de logement qui est positionné sur la partie supérieure et sur deux côtés du connecteur de purgeur d'huile, et un orifice de refoulement d'huile (15) qui est en communication avec le premier espace de logement qui est positionné au fond du connecteur de purgeur d'huile ; une partie d'arrêt (5), qui est connectée à une extrémité du connecteur de purgeur d'huile à un emplacement fixe, qui est dotée de l'orifice de refoulement d'huile et qui est pourvue d'un orifice de vidange d'huile (54) positionné sur celle-ci ; et un mécanisme de réglage, qui est agencé dans le premier espace de logement du connecteur de purgeur d'huile et qui comprend une pièce intérieure de valve (2) et un ensemble élastique (3), l'extrémité inférieure de la pièce intérieure de valve étant positionnée dans le grand espace de logement d'extrémité, une extrémité de joint bout à bout (24) qui est attachée sur la partie d'arrêt étant agencée sur l'extrémité inférieure de la pièce intérieure de valve, le fond de l'extrémité de joint bout à bout étant manchonnée dans l'orifice de vidange d'huile de la partie d'arrêt, et l'ensemble élastique étant manchonné sur l'extrémité supérieure de la pièce intérieure de valve. La pièce intérieure de valve du robinet de purge d'huile est positionnée dans le grand espace de logement d'extrémité, de sorte que les espaces de logement et les canaux d'écoulement de l'huile de machine sont agrandis, ce qui permet de la sorte d'accélérer la vitesse du purgeur d'huile d'un boîtier de machine et d'améliorer l'efficacité de travail du drainage d'huile.
PCT/CN2013/074822 2012-05-09 2013-04-26 Robinet de purge d'huile WO2013166925A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201220207822.3 2012-05-09
CN 201220207822 CN202561413U (zh) 2012-05-09 2012-05-09 放油阀

Publications (1)

Publication Number Publication Date
WO2013166925A1 true WO2013166925A1 (fr) 2013-11-14

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ID=47211072

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/074822 WO2013166925A1 (fr) 2012-05-09 2013-04-26 Robinet de purge d'huile

Country Status (2)

Country Link
CN (1) CN202561413U (fr)
WO (1) WO2013166925A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202561413U (zh) * 2012-05-09 2012-11-28 王正东 放油阀
CN103115153A (zh) * 2013-03-08 2013-05-22 三一重通机械有限公司 一种新型自闭式放油阀
CN105465588B (zh) * 2016-01-14 2017-06-23 中国航空动力机械研究所 一种放油阀
CN105781671B (zh) * 2016-05-23 2018-07-03 潍柴动力股份有限公司 一种放油装置及油底壳
CN108590861A (zh) * 2018-03-06 2018-09-28 中国航发哈尔滨东安发动机有限公司 一种放油活门
CN112112706B (zh) * 2020-09-29 2021-08-17 中国航发动力股份有限公司 一种用于密封活门的放油装置及放油方法
CN112682518B (zh) * 2020-12-17 2023-11-28 中航工业南京伺服控制系统有限公司 一种小型的快速放油装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6003538A (en) * 1998-01-15 1999-12-21 Smith; Robert A. Drain valve
JP2003342979A (ja) * 2002-05-27 2003-12-03 Hikari Gokin Seisakusho:Kk ヘッダー配管用急速排水水抜栓
CN2639209Y (zh) * 2003-08-14 2004-09-08 刘建华 一种放油阀
CN201116479Y (zh) * 2007-11-12 2008-09-17 李祖培 机油泄除装置
CN201155573Y (zh) * 2008-01-21 2008-11-26 常建 内压式自锁千斤顶放油阀
CN201851673U (zh) * 2010-11-15 2011-06-01 叶欣欣 新型放油阀
CN202561413U (zh) * 2012-05-09 2012-11-28 王正东 放油阀

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6003538A (en) * 1998-01-15 1999-12-21 Smith; Robert A. Drain valve
JP2003342979A (ja) * 2002-05-27 2003-12-03 Hikari Gokin Seisakusho:Kk ヘッダー配管用急速排水水抜栓
CN2639209Y (zh) * 2003-08-14 2004-09-08 刘建华 一种放油阀
CN201116479Y (zh) * 2007-11-12 2008-09-17 李祖培 机油泄除装置
CN201155573Y (zh) * 2008-01-21 2008-11-26 常建 内压式自锁千斤顶放油阀
CN201851673U (zh) * 2010-11-15 2011-06-01 叶欣欣 新型放油阀
CN202561413U (zh) * 2012-05-09 2012-11-28 王正东 放油阀

Also Published As

Publication number Publication date
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