CN113685569A - Variable damping valve - Google Patents

Variable damping valve Download PDF

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Publication number
CN113685569A
CN113685569A CN202111078621.8A CN202111078621A CN113685569A CN 113685569 A CN113685569 A CN 113685569A CN 202111078621 A CN202111078621 A CN 202111078621A CN 113685569 A CN113685569 A CN 113685569A
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China
Prior art keywords
oil
port
valve
movable seat
seat
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CN202111078621.8A
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Chinese (zh)
Inventor
黄文宸
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Changzhou Puchen Electronic Co ltd
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Changzhou Puchen Electronic Co ltd
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Priority to CN202111078621.8A priority Critical patent/CN113685569A/en
Publication of CN113685569A publication Critical patent/CN113685569A/en
Pending legal-status Critical Current

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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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
    • 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
    • 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
    • F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
    • F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
    • F16K3/262—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member with a transverse bore in the valve member
    • 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F16K3/34—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
    • 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
    • F16K31/0644—One-way valve
    • F16K31/0668—Sliding valves

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

Abstract

本发明公开了一种可变阻尼阀，包括阀体和电磁铁组件，阀体上设有第一油口和第二油口，阀体内设有阀座，阀体内活动连接有阀芯，阀芯和阀体之间连接有弹簧，阀座周向上开设有多个与第二油口连通的过油孔，阀座内活动设置有移动座，阀芯上固连有顶杆，顶杆与移动座固连，移动座的外壁的部分与过油孔贴合以封堵过油孔，移动座的左端上开设有调节口，调节口与过油孔呈至少部分对齐状态使第一油口通过调节口和过油孔与第二油口连通，调节口与过油孔呈错开位置状态使调节口与过油孔断开从而使第一油口与第二油口断开，移动座平移使调节口与过油孔在两种状态下转换。本发明可变阻尼阀，能够确保阻尼阀在开启和关闭的过程中可以进行流量的调节。

Figure 202111078621

The invention discloses a variable damping valve, comprising a valve body and an electromagnet assembly, a first oil port and a second oil port are arranged on the valve body, a valve seat is arranged in the valve body, a valve core is movably connected in the valve body, and the valve body is movably connected with a valve core. A spring is connected between the core and the valve body, a plurality of oil-passing holes connected to the second oil port are opened on the circumference of the valve seat, a movable seat is movably arranged in the valve seat, a top rod is fixedly connected to the valve core, and the top rod is connected with the second oil port. The movable seat is fixedly connected, and part of the outer wall of the movable seat is fitted with the oil-passing hole to block the oil-passing hole; an adjustment port is provided on the left end of the movable seat, and the adjustment port and the oil-passing hole are at least partially aligned so that the first oil port The adjustment port and the oil passage hole are communicated with the second oil port, and the adjustment port and the oil passage hole are in a staggered position, so that the adjustment port and the oil passage hole are disconnected, so that the first oil port is disconnected from the second oil port, and the movable seat moves in translation. The adjustment port and the oil-passing hole are switched in two states. The variable damping valve of the present invention can ensure that the damping valve can adjust the flow during the process of opening and closing.

Figure 202111078621

Description

Variable damping valve
Technical Field
The invention relates to the field of automobiles and industrial equipment, in particular to a variable damping valve.
Background
Some shock absorbers used for vehicle suspensions include a shock absorber with a damping valve that can vary a damping force. The existing damping valve in the application of the shock absorber can cause a small damping force adjusting range due to too small flow.
Disclosure of Invention
The invention mainly solves the technical problem of providing a variable damping valve which can ensure that the flow can be regulated in the opening and closing processes of the damping valve.
In order to solve the technical problems, the invention adopts a technical scheme that: the variable damping valve comprises a valve body and an electromagnet assembly arranged at the front end of the valve body, wherein a first oil port and a second oil port are arranged on the valve body, a valve seat is fixedly arranged in the valve body, a valve core positioned between the electromagnet assembly and the valve seat is movably connected in the valve body, a spring is connected between the right end of the valve core and the valve body, a plurality of oil passing holes communicated with the second oil port are formed in the circumferential direction of the valve seat, a movable seat is movably arranged in the valve seat, a mandril is fixedly connected to the valve core, the left end of the mandril penetrates through the valve seat and is fixedly connected with the movable seat, the part of the outer wall of the movable seat is attached to the oil passing holes to block the oil passing holes, at least one adjusting port corresponding to any oil passing hole is formed in the left end of the movable seat, and the adjusting ports and the oil passing holes are in at least partial alignment state to enable the first oil port to be communicated with the second oil port through the adjusting ports and the oil passing holes, the adjusting opening and the oil passing hole are in a staggered position state, so that the adjusting opening and the oil passing hole are disconnected, the first oil port and the second oil port are disconnected, and the movable seat is translated in the valve seat to enable the first oil port and the second oil port to be communicated or disconnected.
In a preferred embodiment of the present invention, when the movable seat is located at the left end of the valve seat, the adjusting opening and the oil passing hole are in a staggered position, the first oil port and the second oil port are disconnected, the electromagnet assembly is powered on, and then the valve core pulls the ejector rod to move the movable seat to the right, and the movable seat moves to the right to gradually overlap the adjusting opening and the oil passing hole, so that the first oil port is communicated with the second oil port through the adjusting opening and the oil passing hole.
In a preferred embodiment of the present invention, the adjusting opening is opened at the left side of the movable base.
In a preferred embodiment of the present invention, when the movable seat is located at the left end of the valve seat, the adjusting opening and the oil passing hole are at least partially aligned, the first oil port is communicated with the second oil port, the electromagnet assembly is powered on, and the plunger is pulled by the valve core to move the movable seat to the right, and the movable seat moves to the right to make the adjusting opening and the oil passing hole in a staggered position, so that the first oil port is disconnected from the second oil port.
In a preferred embodiment of the invention, the adjusting opening is opened in the middle of the movable base.
In a preferred embodiment of the invention, the right end of the movable seat is provided with a mounting hole, and the left end of the ejector rod is fixedly and hermetically connected in the mounting hole.
In a preferred embodiment of the present invention, the right end of the movable base is further provided with a first balance hole, and the first balance hole enables the oil pressure inside the movable base and the oil pressure on the right side to be equal.
In a preferred embodiment of the present invention, the valve core is axially provided with a second balance hole, the second balance hole is communicated with the oil passing port, and the second balance hole enables oil pressures at two ends of the valve core to be equal.
The invention has the beneficial effects that: the variable damping valve can ensure that the flow can be adjusted in the opening and closing processes of the damping valve.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural view of a preferred embodiment of a normally closed variable damper valve of the present invention;
FIG. 2 is a schematic structural diagram of the variable damping valve of FIG. 1 with the adjusting port and the oil passing hole in a staggered position;
FIG. 3 is a schematic structural view of the variable damping valve of FIG. 1 with the metering orifice at least partially aligned with the oil passing orifice;
FIG. 4 is a schematic structural view of a preferred embodiment of the normally open variable damper valve of the present invention;
FIG. 5 is a schematic structural view of the variable damping valve of FIG. 4 with the adjustment port at least partially aligned with the oil passing hole;
FIG. 6 is a schematic structural view of the variable damping valve of FIG. 4 with the adjustment port and the oil passing hole being in a staggered position;
the parts in the drawings are numbered as follows: 1. the valve comprises a valve body, 11, a first oil port, 12, a second oil port, 2, an electromagnet assembly, 3, a valve seat, 31, an oil passing hole, 4, a valve core, 41, a second balance hole, 5, a spring, 6, a movable seat, 61, an adjusting hole, 62, a mounting hole, 63, a first balance hole, 7 and an ejector rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiment 1, please refer to fig. 1 to 3, a normally closed variable damping valve includes a valve body 1 and an electromagnet assembly 2 installed at the front end of the valve body 1, the valve body 1 is provided with a first oil port 11 and a second oil port 12, a valve seat 3 is fixedly installed in the valve body 1, a valve core 4 located between the electromagnet assembly 2 and the valve seat 3 is movably connected in the valve body 1, a spring 5 is connected between the right end of the valve core and the valve body, the valve seat 3 is circumferentially provided with a plurality of oil passing holes 31 communicated with the second oil port 12, a movable seat 6 is movably installed in the valve seat 3, a push rod 7 is fixedly connected to the valve core 4, the left end of the push rod 7 passes through the valve seat 3 and is fixedly connected with a movable seat 6, the outer wall of the movable seat 6 is partially attached to the oil passing holes 31 to block the oil passing holes 31, the left end of the movable seat 6 is provided with at least one adjusting hole 61 corresponding to any oil passing hole, the adjusting hole 61 is aligned with the oil passing hole 31 to enable the first oil port 11 to be communicated with the second oil passing hole 12 through the adjusting hole 61 and the oil passing hole 31, the adjusting port 61 and the oil passing hole 31 are in a staggered position state, so that the adjusting port 61 and the oil passing hole 31 are disconnected, the first oil port 11 and the second oil port 12 are disconnected, and the movable seat 6 translates in the valve seat to enable the first oil port 11 and the second oil port 12 to be communicated or disconnected.
In addition, when the movable seat 6 is located at the left end of the valve seat 3, the adjusting opening 61 and the oil passing hole 31 are in a staggered position state, the first oil port 11 and the second oil port 12 are disconnected, the electromagnet assembly 2 is powered on and pulls the ejector rod 7 through the valve core 4 to enable the movable seat 6 to move to the right, and the movable seat 6 moves to the right to enable the adjusting opening 61 and the oil passing hole 31 to be gradually overlapped, so that the first oil port 11 is communicated with the second oil port 12 through the adjusting opening 61 and the oil passing hole 31.
Further, the adjustment opening 61 is opened on the left side of the movable base 6. The shape of adjusting port 61 can be triangle-shaped, circular, arc or other shapes, adjusts the mouth size and can rationally select according to the flow needs, and the position is in as long as adjusting port and oil passing hole under the assurance initial condition and be staggered position, ensures for being in normally closed state.
The right end of the movable base 6 has a mounting hole 62, and the left end of the rod 7 is fixedly and hermetically connected to the mounting hole 62.
In addition, the right end of the movable seat 6 is also provided with a first balance hole 63, the oil pressure inside the movable seat 6 is equal to the oil pressure on the right side through the first balance hole 63, the movable seat 6 is ensured not to move due to the oil pressure, and the movable seat 6 can only be driven to move through the ejector rod 7.
In addition, a second balance hole 41 is formed in the valve element 4 in the axial direction, the second balance hole 41 communicates with the oil through port 31, and the second balance hole 41 equalizes the oil pressures at both ends of the valve element 4. The valve core 4 is not affected by the oil pressure during the operation, the valve core 4 moves to the right only by the acting force of the electromagnetic valve assembly 2, and the reset is realized by the elastic force of the spring 5.
The specific working principle of the invention is as follows: under initial condition, because adjust mouth 61 and cross the oilhole 31 and be in and be the outer wall that is the removal seat 6 between first hydraulic fluid port 11 and the second hydraulic fluid port 12 this moment of staggered position state and block, two hydraulic fluid ports can't communicate, when the circular telegram of electro-magnet subassembly 2, case 4 begins to move to the right, case 4 moves the removal seat 6 through ejector pin 7 synchronous pulling and moves to the right, move the in-process that the seat 6 moved to the right, adjust the synchronous right shift of mouth 61, adjust the mouth 61 and cross the position that begins to appear the alignment between the oilhole 31, the fluid of first hydraulic fluid port 11 gets into through adjusting mouth 61 and crosses oilhole 31 this moment, then flow from second hydraulic fluid port 12, because adjust the position between mouth 61 and the oilhole 31 along with moving the right side of seat 6 and move grow gradually, the fluid flow that first hydraulic fluid port 11 got into second hydraulic fluid port 12 at this moment moves to the rightmost end gradually until moving the seat. After electromagnet assembly 2 loses the electricity, spring 5 promotes valve core 4 and moves to the left to the messenger moves the seat 6 and moves to the left in step, and the flow between first hydraulic fluid port 11 and the second hydraulic fluid port 12 diminishes gradually, until moving to initial position, breaks off between first hydraulic fluid port 11 and the second hydraulic fluid port 12.
Embodiment 2, please refer to fig. 4 to 6, a normally open variable damping valve, which is different from embodiment 1 in that, when the movable seat 6 is located at the left end of the valve seat 3, the adjusting port 61 and the oil passing hole 31 are at least partially aligned, the first oil port 11 is communicated with the second oil port 12, the electromagnet assembly 2 is powered on, and then the plunger 7 is pulled by the spool 6 to move the movable seat 6 to the right, and the movable seat 6 moves to the right to make the adjusting port 61 and the oil passing hole 31 in a staggered position state, so that the first oil port 11 is disconnected from the second oil port 12. The adjustment opening 61 is opened in the middle of the movable base 6.
The adjusting port 61 and the oil passing hole 31 are at least partially aligned in the initial state, the first oil port 11 is communicated with the second oil port 12, the electromagnet assembly 2 is electrified, the movable seat 6 moves rightwards, and the first oil port 11 is disconnected from the second oil port 12. When the electromagnet assembly 2 is powered off, the movable seat 6 is reset through the valve core 4, so that the variable damping valve is restored to a normally open state.
Different from the prior art, the variable damping valve can ensure that the flow can be regulated in the opening and closing processes of the damping valve.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (8)

1.一种可变阻尼阀，包括阀体以及安装上阀体前端的电磁铁组件，所述阀体上设有第一油口和第二油口，所述阀体内固设有阀座，所述阀体内活动连接有位于电磁铁组件和阀座之间的阀芯，所述阀芯右端和阀体之间连接有弹簧，所述阀座的周向上开设有多个与第二油口连通的过油孔，其特征在于，所述阀座内活动设置有移动座，所述阀芯上固连有顶杆，所述顶杆的左端穿过阀座并与移动座固连，所述移动座的外壁的部分与过油孔贴合以封堵过油孔，所述移动座的左端上开设有至少一个与任一过油孔对应的调节口，所述调节口与过油孔呈至少部分对齐状态使第一油口通过调节口和过油孔与第二油口连通，调节口与过油孔呈错开位置状态使调节口与过油孔断开从而使第一油口与第二油口断开，移动座在阀座内平移使第一油口与第二油口连通或者断开。1. A variable damping valve, comprising a valve body and an electromagnet assembly mounted on the front end of the valve body, the valve body is provided with a first oil port and a second oil port, and a valve seat is fixed in the valve body, The valve body is movably connected with a valve core located between the electromagnet assembly and the valve seat, a spring is connected between the right end of the valve core and the valve body, and a plurality of second oil ports are opened on the circumference of the valve seat. It is characterized in that a movable seat is movably arranged in the valve seat, a push rod is fixedly connected to the valve core, and the left end of the push rod passes through the valve seat and is fixedly connected with the movable seat, so A part of the outer wall of the movable seat is fitted with the oil-passing hole to block the oil-passing hole, and at least one adjustment port corresponding to any oil-passing hole is opened on the left end of the movable seat. In a state of at least partial alignment, the first oil port is communicated with the second oil port through the adjustment port and the oil passage hole. The second oil port is disconnected, and the movable seat translates in the valve seat to connect or disconnect the first oil port and the second oil port. 2.根据权利要求1所述的可变阻尼阀，其特征在于，所述移动座位于阀座左端的状态下，调节口与过油孔呈错开位置状态，第一油口与第二油口断开，电磁铁组件通电后通过阀芯拉动顶杆使移动座右移，移动座右移使调节口和过油孔的部分逐渐重合，从而使第一油口通过调节口和过油孔与第二油口连通。2 . The variable damping valve according to claim 1 , wherein when the movable seat is located at the left end of the valve seat, the adjustment port and the oil passage hole are in a staggered position, and the first oil port and the second oil port are in a staggered position. 3 . Disconnect, after the electromagnet assembly is energized, pull the top rod through the valve core to move the movable seat to the right, and the movable seat moves to the right to gradually overlap the parts of the adjustment port and the oil passage, so that the first oil port passes through the adjustment port and the oil passage. Port is connected. 3.根据权利要求2所述的可变阻尼阀，其特征在于，所述调节口开设在移动座的左侧。3 . The variable damping valve according to claim 2 , wherein the adjustment port is opened on the left side of the movable seat. 4 . 4.根据权利要求1所述的可变阻尼阀，其特征在于，所述移动座位于阀座左端的状态下，调节口与过油孔呈至少部分对齐状态，第一油口与第二油口连通，电磁铁组件通电后通过阀芯拉动顶杆使移动座右移，移动座右移使调节口和过油孔呈错开位置状态，从而使第一油口通与第二油口断开。4 . The variable damping valve according to claim 1 , wherein when the movable seat is located at the left end of the valve seat, the adjustment port and the oil passage hole are at least partially aligned, and the first oil port and the second oil port are in a state of at least partial alignment. 5 . After the electromagnet assembly is energized, the ejector rod is pulled by the valve core to move the movable seat to the right, and the movable seat moves to the right to make the adjustment port and the oil passage hole in a staggered position, so that the first oil port is disconnected from the second oil port. 5.根据权利要求4所述的可变阻尼阀，其特征在于，所述调节口开设在移动座的中部。5 . The variable damping valve according to claim 4 , wherein the adjustment port is opened in the middle of the movable seat. 6 . 6.根据权利要求1-5任一所述的可变阻尼阀，其特征在于，所述移动座的右端具有安装孔，所述顶杆左端固定密封连接在安装孔内。6 . The variable damping valve according to claim 1 , wherein the right end of the movable seat has an installation hole, and the left end of the ejector rod is fixed and sealed in the installation hole. 7 . 7.根据权利要求6所述的可变阻尼阀，其特征在于，所述移动座的右端还设有第一平衡孔，所述第一平衡孔使移动座内部和右侧油压相等。7 . The variable damping valve according to claim 6 , wherein the right end of the movable seat is further provided with a first balance hole, and the first balance hole equalizes the oil pressure inside the movable seat and on the right side. 8 . 8.根据权利要求7所述的可变阻尼阀，其特征在于，所述阀芯上沿轴向开设有第二平衡孔，所述第二平衡孔与过油口连通，第二平衡孔使阀芯两端油压相等。8 . The variable damping valve according to claim 7 , wherein the valve core is provided with a second balance hole in the axial direction, the second balance hole is communicated with the oil-passing port, and the second balance hole allows 8 . The oil pressure at both ends of the spool is equal.
CN202111078621.8A 2021-09-15 2021-09-15 Variable damping valve Pending CN113685569A (en)

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CN111594566A (en) * 2020-05-19 2020-08-28 常州普宸电子有限公司 Damping valve
CN215950439U (en) * 2021-09-15 2022-03-04 常州普宸电子有限公司 Variable damping valve

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