WO2019000718A1 - 悬浮式阀片补排油活塞结构及其使用方法 - Google Patents

悬浮式阀片补排油活塞结构及其使用方法 Download PDF

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WO2019000718A1
WO2019000718A1 PCT/CN2017/106958 CN2017106958W WO2019000718A1 WO 2019000718 A1 WO2019000718 A1 WO 2019000718A1 CN 2017106958 W CN2017106958 W CN 2017106958W WO 2019000718 A1 WO2019000718 A1 WO 2019000718A1
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oil
valve
replenishing
piston
receiving groove
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PCT/CN2017/106958
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English (en)
French (fr)
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黄永宁
黄永健
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黄永宁
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    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/3207—Constructional features
    • F16F9/3214—Constructional features of pistons
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/34—Special valve constructions; Shape or construction of throttling passages
    • F16F9/3415—Special valve constructions; Shape or construction of throttling passages characterised by comprising plastics, elastomeric or porous elements
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/43—Filling or drainage arrangements, e.g. for supply of gas
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

Definitions

  • the invention relates to the technical field of shock absorbers, in particular to a suspension valve oil replenishing piston structure and a using method thereof.
  • the damper is designed to support the weight of the vehicle body and to suppress and prevent vibration from being transmitted from the road surface to the vehicle body, contribute to improved ride comfort, and protect the loaded cargo and various components of the vehicle.
  • shock absorbers include a cylinder filled with oil, a reciprocating piston rod coupled to the vehicle body, and a piston valve coupled to the lower end of the piston rod and oil that is movable within the cylinder and controls operation.
  • valve piece in the piston of the above structure is prone to the problem of deformation damage, thereby shortening the service life of the shock absorber.
  • the present invention provides a suspension valve oil replenishing piston structure and a using method thereof, which solves the problem that the valve piece is easily deformed and damaged, and ensures the service life of the shock absorber. Very good results.
  • the present invention provides a suspension valve disc replenishing oil piston structure, including a replenishing oil piston, a drain valve disc group and a charge valve disc group; an end of the replenishing oil piston is embedded therein a first receiving groove, a second receiving groove is embedded in the other end of the replenishing oil piston, the oil discharging valve chip group is installed in the first receiving groove, and the oil filling valve chip group is installed in the second receiving a first spring disposed at a slot of the first receiving groove and the oil discharging valve piece for limiting a moving stroke of the oil discharging valve piece group, and a notch of the second receiving groove a second spring for limiting the movement stroke of the drain valve disc group is disposed between the charge valve disc group;
  • a plurality of oil drain holes located below the oil discharge valve valve group are disposed at a bottom of the first receiving groove of the charge and exhaust oil piston, and each oil drain hole is in communication with the second receiving groove;
  • a plurality of fixing columns are disposed in the piston, and each of the fixing columns is an oil drain hole having a diameter larger than a diameter of the oil drain hole and extending to a notch of the first receiving groove;
  • a bottom of each fixing column runs through the oil filling valve piece Groups are all oil filling holes, and One end of the oil drain hole is at the same level as the oil fill hole;
  • a piston positioning pad is fixed at the notch of the first receiving groove, and both ends of the first spring are connected between the piston positioning pad and the oil discharge valve chip group.
  • the slot of the second receiving slot is provided with a piston positioning piece, and the two ends of the second spring are connected between the piston positioning piece and the charge valve piece set.
  • the structure further includes a support rod and a support plate, the support plate is located below the charge valve plate group, one end of the support rod is fixedly connected with the support plate, and the other end of the support rod sequentially passes through the oil discharge valve
  • the chip set and the first spring are fixedly connected to the inner side of the piston positioning pad.
  • the charge valve chip group is composed of a plurality of oil-filled valve sheets which are sequentially stacked
  • the oil discharge valve sheet group is composed of a plurality of oil discharge valve sheets which are sequentially stacked.
  • the inner size of the first receiving groove is smaller than the inner size of the second receiving groove, and the diameter of the charge valve piece is larger than the diameter of the oil discharge valve piece.
  • the diameter of each oil filling hole is larger than the diameter of the oil discharging hole and smaller than the diameter of the oil discharging hole.
  • the concave portion of the inner wall of the replenishing and exhausting piston is sleeved in the piston guiding belt.
  • the present invention also provides a method for using a suspension valve replenishing oil piston, which is:
  • the invention has the beneficial effects that the suspension valve plate replenishing oil piston structure and the using method thereof are provided by the invention, and the structure mainly comprises a replenishing and exhausting oil piston, a draining valve disc group and a replenishing valve.
  • the composition of the film group, and the design of the oil drain hole, the oil drain hole and the oil filling hole are improved. All the oil filling holes and the oil discharging holes are arranged in the same plane; when the oil filling hole and the oil discharging hole are opened or closed
  • the valve piece in the piston is in a flat closed state. No matter how much oil pressure is generated in the cylinder, the deformation of the valve piece in the piston will not be damaged due to excessive pressure; at the same time, the valve piece will not be displaced.
  • Figure 1 is a cross-sectional view showing the structure of a suspension valve oil replenishing piston of the present invention
  • Figure 2 is a first perspective perspective view of the replenishing and exhausting piston of the present invention
  • Fig. 3 is a perspective view showing the second angle of the oil replenishing piston of the present invention.
  • the oil discharging valve chip group is installed in the first receiving groove, and the oil filling valve piece is The group is installed in the second receiving groove; a first spring 13 for limiting the moving stroke of the oil discharging valve piece group is disposed between the notch of the first receiving groove and the oil discharging valve piece, the first a second spring 14 for limiting the movement stroke of the oil discharge valve piece group is disposed between the notch of the two receiving groove and the charge valve plate group;
  • a plurality of oil discharge holes 15 located under the oil discharge valve valve group are disposed at a bottom of the first accommodating groove of the replenishing oil piston, and each oil discharge hole communicates with the second accommodating groove;
  • a plurality of fixing columns 16 are disposed in the oil piston, and each of the fixing columns is an oil discharging hole 161 having a diameter larger than a diameter of the oil discharging hole and extending to a notch of the first receiving groove;
  • the oil valve plate group is both the oil filling hole 162, and one end of the oil discharging hole is at the same horizontal plane as the oil filling hole;
  • a piston positioning pad 17 is fixed at the notch of the first receiving groove, and both ends of the first spring are connected between the piston positioning pad and the oil discharge valve chip group.
  • a piston positioning piece 18 is disposed at the notch of the second receiving groove, and both ends of the second spring are connected between the piston positioning piece and the charge valve piece set.
  • the structure further includes a support rod 19 and a support plate 20, the support plate is located below the charge valve plate group, one end of the support rod is fixedly connected with the support plate, and the support rod is further One end passes through the oil discharge valve plate group in sequence, and the first spring is fixedly connected to the inner side of the piston positioning pad.
  • the fixed column is evenly distributed around the outer periphery of the support rod, thereby ensuring the uniformity of the oil replenishment and the oil discharge, thereby ensuring that the valve piece does not have an offset phenomenon during the movement.
  • the charge valve sheet group 11 is composed of a plurality of oil-filled valve sheets 121 which are sequentially stacked
  • the oil discharge valve sheet group is composed of a plurality of oil discharge valve sheets 111 which are sequentially stacked.
  • the number of valves is not limited.
  • the inner size of the first receiving groove is smaller than the inner size of the second receiving groove, and the diameter of the charge valve piece is larger than the diameter of the oil discharge valve piece.
  • the diameter of each oil filling hole is larger than the diameter of the oil drain hole and smaller than the diameter of the oil drain hole.
  • the present invention also provides a method for using a suspension valve replenishing oil piston, which is:
  • the present invention provides a suspension valve disc replenishing oil piston structure and a method for using the same, which structure is mainly composed of a replenishing oil piston, a drain valve disc group and a charge valve disc group, and Improved design of oil drain hole, oil drain hole and oil fill hole position, all oil filling holes and oil drain holes are set in the same plane; when the oil filling hole and oil drain hole are opened or closed, the valve in the piston The sheets are in a flat closed state, no matter how much oil pressure is generated in the cylinder, the valve inside the piston will not be caused by excessive pressure.

Abstract

一种悬浮式阀片补排油活塞结构及其使用方法，该结构包括补排油活塞（10）、排油阀片组（11）和补油阀片组（12）；补排油活塞（10）的一末端内嵌有第一容纳槽（101），补排油活塞（10）的另一末端内嵌有第二容纳槽（102），排油阀片组（11）安装在第一容纳槽（101）内，补油阀片组（12）安装在第二容纳槽（102）内；第一容纳槽（101）的槽口处与排油阀片组（11）之间设置有用于对排油阀片组（11）的移动行程进行限位的第一弹簧（13），第二容纳槽（102）的槽口处与补油阀片组（12）之间设置有用于对补油阀片组（12）的移动行程进行限位的第二弹簧（14）。采用悬浮式阀片的设计很好地解决了阀片易变形受损的技术问题，确保了减震器的使用寿命。

Description

悬浮式阀片补排油活塞结构及其使用方法 技术领域
本发明涉及减震器技术领域，尤其涉及一种悬浮式阀片补排油活塞结构及其使用方法。
背景技术
一般来说，减震器被设计成支撑车身的重量并且抑制和阻止振动从道路表面传递至车身的，有助于改善乘坐的舒适感，并且保护车辆的装载货物和各种部件。
这样的减震器包括填充有油的缸体、连接至车身的往复运动的活塞杆和连接至活塞杆下端的活塞阀以及在缸体内活动且控制工作的油。
上述这种结构的活塞其内的阀片很容易遇到变形受损的难题，进而造成缩短减震器的使用寿命。
发明内容
针对上述技术中存在的不足之处，本发明提供一种悬浮式阀片补排油活塞结构及其使用方法，解决了阀片易变形受损的难题，确保了减震器的使用寿命，取得了很好的效果。
为实现上述目的，本发明提供一种悬浮式阀片补排油活塞结构，包括补排油活塞、排油阀片组和补油阀片组；所述补排油活塞的一末端内嵌有第一容纳槽，所述补排油活塞的另一末端内嵌有第二容纳槽，所述排油阀片组安装在第一容纳槽内，所述补油阀片组安装在第二容纳槽内；所述第一容纳槽的槽口处与排油阀片之间设置有用于对排油阀片组的移动行程进行限位的第一弹簧，所述第二容纳槽的槽口处与补油阀片组之间设置有用于对排油阀片组的移动行程进行限位的第二弹簧；
所述补排油活塞的第一容纳槽的槽底处设置有多个位于排油阀片组下方的排油孔，且每个排油孔均与第二容纳槽相通；所述补排油活塞内设置有多个固定柱，每个固定柱的上方为直径大于排油孔的直径且延伸至第一容纳槽的槽口处的放油孔；每个固定柱的下方贯穿补油阀片组且均为补油孔，且所 述排油孔的一末端与补油孔在同一水平面；
当补油孔与排油孔开启或关闭时，补排油活塞内的排油阀片组和补油阀片组都处于平面封闭状态。
其中，所述第一容纳槽的槽口处固定有活塞定位垫，所述第一弹簧的两末端连接在活塞定位垫与排油阀片组之间。
其中，所述第二容纳槽的槽口处设置有活塞定位片，所述第二弹簧的两末端连接在活塞定位片与补油阀片组之间。
其中，该结构还包括支撑杆和支撑板，所述支撑板位于补油阀片组的下方，所述支撑杆的一端与支撑板固定连接，且所述支撑杆的另一端依次贯穿排油阀片组、第一弹簧后与活塞定位垫的内侧固定连接。
其中，所述补油阀片组由多个依次层叠的补油阀片组成，所述排油阀片组由多个依次层叠的排油阀片组成。
其中，所述第一容纳槽内部尺寸小于第二容纳槽的内部尺寸大小，且所述补油阀片的直径大于排油阀片的直径。
其中，每个补油孔的直径大于排油孔的直径且小于放油孔直径。
其中，所述补排油活塞的内壁中部内凹位置套接在活塞导向带内。
为实现上述目的，本发明还提供一种悬浮式阀片补排油活塞的使用方法，该方法为：
补排油活塞下行时，在油压的作用下，液压油从多个排油孔内排出，且排出后顶出排油阀片；排油阀片顶出后液压油从多个放油孔内排出，进而实现放油；
补排油活塞上行时，油压的方向朝向补油阀片，且补油阀片在油压的作用下排出；且排出后顶出补油阀片，并通过补油孔进行补油。
本发明的有益效果是：与现有技术相比，本发明提供的悬浮式阀片补排油活塞结构及其使用方法，该结构主要由补排油活塞、排油阀片组和补油阀片组组成，以及排油孔、放油孔和补油孔位置改进的设计，所有的补油孔和排油孔都设在同一平面下；当补油孔与排油孔，开启或关闭时，活塞内的阀片都处于平面封闭状态，无论缸体内产生多大的油压，都不会由于压力过大造成活塞内的阀片变形受损；同时阀片也不会产生移位，在油压作用力下使 得补油阀片与排油阀片开启、关闭非常灵敏；而且阀片开启与关闭完全由内缸产生的油压而决定，采用了悬浮式阀片的设计很好的解决了阀片易变形受损的难题，确保了减震器的使用寿命，取得了很好的效果。同时，补油迅速，无论活塞走到任何位置，活塞以上的都是满油现象。
附图说明
图1为本发明的悬浮式阀片补排油活塞结构的截面图；
图2为本发明中补排油活塞的第一角度立体图；
图3为本发明中补排油活塞的第二角度立体图。
主要元件符号说明如下：
10、补排油活塞11、排油阀片组12、补油阀片组13、第一弹簧14、第二弹簧15、排油孔16、固定柱17、活塞定位垫18、活塞定位片19、支撑杆20、支撑板21、活塞导向带101、第一容纳槽102、第二容纳槽111、补油阀片121、排油阀片161、放油孔162、补油孔。
具体实施方式
为了更清楚地表述本发明，下面结合附图对本发明作进一步地描述。
请参阅图1-3，本发明提供的悬浮式阀片补排油活塞结构，包括补排油活塞10、排油阀片组11和补油阀片组12；所述补排油活塞的一末端内嵌有第一容纳槽101，所述补排油活塞的另一末端内嵌有第二容纳槽102，所述排油阀片组安装在第一容纳槽内，所述补油阀片组安装在第二容纳槽内；所述第一容纳槽的槽口处与排油阀片之间设置有用于对排油阀片组的移动行程进行限位的第一弹簧13，所述第二容纳槽的槽口处与补油阀片组之间设置有用于对排油阀片组的移动行程进行限位的第二弹簧14；
所述补排油活塞的第一容纳槽的槽底处设置有多个位于排油阀片组下方的排油孔15，且每个排油孔均与第二容纳槽相通；所述补排油活塞内设置有多个固定柱16，每个固定柱的上方为直径大于排油孔的直径且延伸至第一容纳槽的槽口处的放油孔161；每个固定柱的下方贯穿补油阀片组且均为补油孔162，且所述排油孔的一末端与补油孔在同一水平面；
当补油孔与排油孔开启或关闭时，补排油活塞内的排油阀片组和补油阀片组都处于平面封闭状态。
在本实施例中，所述第一容纳槽的槽口处固定有活塞定位垫17，所述第一弹簧的两末端连接在活塞定位垫与排油阀片组之间。所述第二容纳槽的槽口处设置有活塞定位片18，所述第二弹簧的两末端连接在活塞定位片与补油阀片组之间。通过活塞定位垫和活塞定位片可实现对补排油活塞的定位，且配合第一弹簧和第二弹簧，可对补排油活塞的移动进行限位。
在本实施例中，该结构还包括支撑杆19和支撑板20，所述支撑板位于补油阀片组的下方，所述支撑杆的一端与支撑板固定连接，且所述支撑杆的另一端依次贯穿排油阀片组、第一弹簧后与活塞定位垫的内侧固定连接。固定柱均匀分布在支撑杆的外周围，由此保证补油和排油的均匀性，进而保证阀片在运动过程中不会出现偏移现象。
在本实施例中，所述补油阀片组11由多个依次层叠的补油阀片121组成，所述排油阀片组由多个依次层叠的排油阀片111组成。当然并不局限阀片的数量。
在本实施例中，所述第一容纳槽内部尺寸小于第二容纳槽的内部尺寸大小，且所述补油阀片的直径大于排油阀片的直径。每个补油孔的直径大于排油孔的直径且小于放油孔直径。补排油活塞的内壁中部内凹位置套接在活塞导向带21内。
为实现上述目的，本发明还提供一种悬浮式阀片补排油活塞的使用方法，该方法为：
补排油活塞下行时，在油压的作用下，液压油从多个排油孔内排出，且排出后顶出排油阀片；排油阀片顶出后液压油从多个放油孔内排出，进而实现放油；
补排油活塞上行时，油压的方向朝向补油阀片，且补油阀片在油压的作用下排出；且排出后顶出补油阀片，并通过补油孔进行补油。
相较于现有技术的情况，本发明提供的悬浮式阀片补排油活塞结构及其使用方法，该结构主要由补排油活塞、排油阀片组和补油阀片组组成，以及排油孔、放油孔和补油孔位置改进的设计，所有的补油孔和排油孔都设在同一平面下；当补油孔与排油孔，开启或关闭时，活塞内的阀片都处于平面封闭状态，无论缸体内产生多大的油压，都不会由于压力过大造成活塞内的阀 片变形受损；同时阀片也不会产生移位，在油压作用力下使得补油阀片与排油阀片开启、关闭非常灵敏；而且阀片开启与关闭完全由内缸产生的油压而决定，采用了悬浮式阀片的设计很好的解决了阀片易变形受损的难题，确保了减震器的使用寿命，取得了很好的效果。同时，补油迅速，无论活塞走到任何位置，活塞以上的都是满油现象。
以上公开的仅为本发明的几个具体实施例，但是本发明并非局限于此，任何本领域的技术人员能思之的变化都应落入本发明的保护范围。

Claims (9)

  1. 一种悬浮式阀片补排油活塞结构，其特征在于，包括补排油活塞、排油阀片组和补油阀片组；所述补排油活塞的一末端内嵌有第一容纳槽，所述补排油活塞的另一末端内嵌有第二容纳槽，所述排油阀片组安装在第一容纳槽内，所述补油阀片组安装在第二容纳槽内；所述第一容纳槽的槽口处与排油阀片之间设置有用于对排油阀片组的移动行程进行限位的第一弹簧，所述第二容纳槽的槽口处与补油阀片组之间设置有用于对排油阀片组的移动行程进行限位的第二弹簧；
    所述补排油活塞的第一容纳槽的槽底处设置有多个位于排油阀片组下方的排油孔，且每个排油孔均与第二容纳槽相通；所述补排油活塞内设置有多个固定柱，每个固定柱的上方为直径大于排油孔的直径且延伸至第一容纳槽的槽口处的放油孔；每个固定柱的下方贯穿补油阀片组且均为补油孔，且所述排油孔的一末端与补油孔在同一水平面；
    当补油孔与排油孔开启或关闭时，补排油活塞内的排油阀片组和补油阀片组都处于平面封闭状态。
  2. 根据权利要求1所述的悬浮式阀片补排油活塞结构，其特征在于，所述第一容纳槽的槽口处固定有活塞定位垫，所述第一弹簧的两末端连接在活塞定位垫与排油阀片组之间。
  3. 根据权利要求1所述的悬浮式阀片补排油活塞结构，其特征在于，所述第二容纳槽的槽口处设置有活塞定位片，所述第二弹簧的两末端连接在活塞定位片与补油阀片组之间。
  4. 根据权利要求2所述的悬浮式阀片补排油活塞结构，其特征在于，该结构还包括支撑杆和支撑板，所述支撑板位于补油阀片组的下方，所述支撑杆的一端与支撑板固定连接，且所述支撑杆的另一端依次贯穿排油阀片组、第一弹簧后与活塞定位垫的内侧固定连接。
  5. 根据权利要求1所述的悬浮式阀片补排油活塞结构，其特征在于，所述补油阀片组由多个依次层叠的补油阀片组成，所述排油阀片组由多个依次层叠的排油阀片组成。
  6. 根据权利要求5所述的悬浮式阀片补排油活塞结构，其特征在于，所 述第一容纳槽内部尺寸小于第二容纳槽的内部尺寸大小，且所述补油阀片的直径大于排油阀片的直径。
  7. 根据权利要求1所述的悬浮式阀片补排油活塞结构，其特征在于，每个补油孔的直径大于排油孔的直径且小于放油孔直径。
  8. 根据权利要求1所述的悬浮式阀片补排油活塞结构，其特征在于，所述补排油活塞的内壁中部内凹位置套接在活塞导向带内。
  9. 一种悬浮式阀片补排油活塞的使用方法，其特征在于，该方法为：
    补排油活塞下行时，在油压的作用下，液压油从多个排油孔内排出，且排出后顶出排油阀片；排油阀片顶出后液压油从多个放油孔内排出，进而实现放油；
    补排油活塞上行时，油压的方向朝向补油阀片，且补油阀片在油压的作用下排出；且排出后顶出补油阀片，并通过补油孔进行补油。
PCT/CN2017/106958 2017-06-29 2017-10-20 悬浮式阀片补排油活塞结构及其使用方法 WO2019000718A1 (zh)

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