CN105485234B - A kind of unidirectional adjustable damper - Google Patents

A kind of unidirectional adjustable damper Download PDF

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Publication number
CN105485234B
CN105485234B CN201610057075.2A CN201610057075A CN105485234B CN 105485234 B CN105485234 B CN 105485234B CN 201610057075 A CN201610057075 A CN 201610057075A CN 105485234 B CN105485234 B CN 105485234B
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CN
China
Prior art keywords
piston
push rod
shell
adjustment axis
oil outlet
Prior art date
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Application number
CN201610057075.2A
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Chinese (zh)
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CN105485234A (en
Inventor
谭学军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FOSHAN KEHAO COMBUSTION EQUIPMENT MANUFACTURING Co Ltd
Original Assignee
FOSHAN KEHAO COMBUSTION EQUIPMENT MANUFACTURING Co Ltd
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Priority to CN201610057075.2A priority Critical patent/CN105485234B/en
Publication of CN105485234A publication Critical patent/CN105485234A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/10Springs, 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
    • F16F9/14Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/18Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
    • F16F9/19Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3264Arrangements for indicating, e.g. fluid level; Arrangements for checking dampers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/34Special valve constructions; Shape or construction of throttling passages
    • F16F9/3415Special valve constructions; Shape or construction of throttling passages characterised by comprising plastics, elastomeric or porous elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/44Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0686Braking, pressure equilibration, shock absorbing
    • F16K31/0696Shock absorbing, e.g. using a dash-pot

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

The invention discloses a kind of unidirectional adjustable dampers, are collectively formed by piston, adjustable restrictor, spring and check valve etc., and inner cavity is full of working oil.When push rod pushes piston, working oil generates resistance by current limiter, and damping action is externally realized by push rod;When piston return, working oil does not generate damping action quickly through check valve to piston push rod under the action of the spring;The aisle spare of current limiter adjustable working oil realizes the adjustment of damping size.Use of the invention is pushed away on solenoid valve, is had obvious effects on, it can be achieved that slow change up of solenoid valve is closed, the complete opening time of solenoid valve can be adjusted in 0 20 seconds, and adjustment axis rotates counterclockwise, and opening time is short, rotates clockwise, and opening time is long.

Description

A kind of unidirectional adjustable damper
Technical field
The present invention relates to a kind of dampers, and in particular to a kind of unidirectional adjustable damper applied on solenoid valve.
Background technology
It is that damping value is unable to fine adjustment, the useful effect of damper rod mostly although there are many current damper model specification Stroke cannot be adjusted.It is adjusted using awl and hole fit form when damper is adjusted, awl displacement distance is short, adjusts sensitivity not Height equally cannot achieve accurate adjusting if more turns of awl is several to enclose the angle instruction confusion rotated to increase displacement distance.
Invention content
For overcome the deficiencies in the prior art, the present invention provide a kind of damping value can fine adjustment, that solenoid valve can be achieved is slow Change up the unidirectional adjustable damper closed.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of unidirectional adjustable damper, including shell, the cylinder sleeve in shell, the piston in cylinder sleeve, company It is connected on push rod on piston, mounted on the bottom cover of cylinder sleeve or housing bottom, the push rod passes through bottom cover, is connected on the piston Spring, the spring are located in the high pressure chest that piston is surrounded with inboard wall of cylinder liner, and the side wall of the high pressure chest is equipped with oil outlet, described Low pressure chamber is surrounded between piston and bottom cover, the side wall of the low pressure chamber is equipped with oil inlet, leads between the oil outlet and oil inlet Piping is connected to, and the oil outlet, oil inlet or pipeline are equipped with the current limiter for adjusting flow rate of liquid, and the piston, which is equipped with, to be connected The through-hole of logical high pressure chest and low pressure chamber, through-hole are equipped with the rubber valve plate for forming check valve.
In the present invention, the current limiter is mounted on oil outlet, and the current limiter includes rotary adjustment axis, peace Mounted in the adjustment hole of adjustment axis side wall, the adjustment hole is corresponding with oil outlet, and the adjustment axis is passed through and stretched from hull outside Into in high pressure chest.
In the present invention, oil groove, oil groove radial distribution in adjustment axis are equipped between the adjustment hole and oil outlet And depth is with angle change.
In the present invention, the plug needle for sealed oiling mouth is additionally provided in the middle part of the adjustment axis.
In the present invention, the outside of the adjustment axis is equipped with graduation indication slot.
In the present invention, stop collar of the restricted push rod shaft to displacement distance, the outer wall of stop collar are arranged on the push rod Equipped with the motion thread that can be connect with external component, the stop collar is axial restraint across bottom cover and bottom cover.
It is arranged with seal bellows on the push rod, is connected between push rod and piston at the top of seal bellows, seals The bottom of bellows is connected on bottom cover.
In the present invention, the bottom of the shell is equipped with connecting plate, and the connecting plate is bolted on shell.
In the present invention, the cylinder sleeve is fixedly connected with the casing by screw.
In the present invention, the pipeline is located at outside cylinder sleeve between inner walls.
The beneficial effects of the invention are as follows:The present invention is collectively formed by piston, adjustable restrictor, spring and check valve etc., interior Chamber is full of working oil.When push rod pushes piston, working oil generates resistance by current limiter, externally realizes that damping is made by push rod With;When piston return, working oil does not generate damping action quickly through check valve to piston push rod under the action of the spring;Current limliting The aisle spare of device adjustable working oil realizes the adjustment of damping size.Use of the invention is pushed away on solenoid valve, there is apparent effect Fruit, first, slow change up that can be achieved solenoid valve close, the complete opening time of solenoid valve can in 0-20 second adjusting, adjustment axis inverse time Needle rotates, and opening time is short, rotates clockwise, and opening time is long;The second, solenoid valve can quickly open start after certain aperture with It opens at a slow speed, rotates clockwise stop collar and move up, reduce the operating range of push rod, the pretravel of solenoid valve increases;Inverse time Needle rotary spacing set moves down, and the pretravel of solenoid valve reduces;The angle that third, damper are adjusted can be explicitly indicated, and adjust Nodal axisn upper end machined graduation indication slot.
Description of the drawings
The present invention is further described with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the structural schematic diagram of the present embodiment;
Fig. 2 is B-B sectional views of Fig. 1;
Fig. 3 is the schematic diagram of the present embodiment;
Fig. 4 is the schematic diagram of current limiter.
Specific implementation mode
Referring to figs. 1 to Fig. 4, a kind of unidirectional adjustable damper that the present embodiment is provided, including shell 1, be mounted on shell 1 Interior cylinder sleeve 2, the piston 3 in cylinder sleeve 2, the push rod 4 being connected on piston 3, the bottom cover 5 mounted on 1 bottom of shell, institute It states cylinder sleeve 2 to be fixedly connected with shell 1 by screw, the bottom cover 5 is fixedly mounted on by snap ring in shell 1, and the push rod 4 is worn Bottom cover 5 to be crossed, spring 6 is connected on the piston 3, the spring 6 is located in the high pressure chest 7 that piston 3 is surrounded with 2 inner wall of cylinder sleeve, The side wall of the high pressure chest 7 is equipped with oil outlet 8, and low pressure chamber 9, the side of the low pressure chamber 9 are surrounded between the piston 3 and bottom cover 5 Wall be equipped with oil inlet 10, be connected to by pipeline 11 between the oil outlet 8 and oil inlet 10, the oil outlet 8, oil inlet 10 or Pipeline 11 is equipped with the current limiter for adjusting flow rate of liquid, and the piston 3 is equipped with the through-hole 12 of connection high pressure chest 7 and low pressure chamber 9, The not limited to of the through-hole 12, through-hole 12 are equipped with the rubber valve plate 13 for forming check valve, and one end of rubber valve plate 13 is fixed On piston 3, the other end can be located at the side where high pressure chest 7 around the fixing end activity, rubber valve plate 13.
As preferred embodiment, the current limiter is mounted on oil outlet 8, and the current limiter includes rotary Adjustment axis 14, mounted on the adjustment hole 15 of 14 side wall of adjustment axis, the adjustment hole 15 is corresponding with oil outlet 8, the adjustment axis 14 pass through from 1 outside of shell and put in high pressure chest 7, and oil groove 16, the oil groove are equipped between the adjustment hole 15 and oil outlet 8 16 or the aperture of adjustment hole 15 be less than oil outlet 8, the radial distribution and depth becomes with angle in adjustment axis 15 of the oil groove 16 Change, adjustment axis 15 rotates counterclockwise, then oil groove 16 and the junction of oil outlet 8 then become larger, and rotate clockwise adjustment axis 15, then oily Slot 16 and the junction of oil outlet 8 then become smaller.Further, the middle part of the adjustment axis 14 is additionally provided with the plug for sealed oiling mouth Needle 17, plug needle 17 are equipped with interior hexagonal, have been convenient for unscrewing and tighten.The outside of adjustment axis 14 is equipped with graduation indication slot, shell 1 Surface is equipped with scale corresponding with graduation indication slot or mark.
In the present embodiment, the stop collar 18 that restricted push rod 4 moves axially distance, stop collar are arranged on the push rod 4 18 outer wall is equipped with the motion thread that can be connect with external component, and 5 outer ring of bottom cover has boss to coordinate with shell 1, prevents it from phase To rotation, and there are hexagon ring and 18 clearance fit of stop collar among bottom cover 5, makes between 18 bottom cover 5 of stop collar for axial restraint, In use, it is pre- to reach electromagnetic valve for adjusting to adjust the relative position between push rod 4 and stop collar 18 for rotatable entire damper The purpose of aperture.
Further, to seal, seal bellows 19, the top of seal bellows 19 are arranged on the push rod 4 It is connected between push rod 4 and piston 3, the bottom of seal bellows 19 is connected on bottom cover 5, and working oil is avoided to be flowed along push rod 4 Go out.Similarly, it avoids leaking equipped with sealing ring in adjustment axis 14, the junction for filling in needle 17.
In the present embodiment, the pipeline 11 is located between the outside of cylinder sleeve 2 and 1 inner wall of shell, to reduce volume and need not The accessory wanted.Certainly, here, pipeline 11 also can be individual oil pipe, and outside shell 1, technology effect having the same Fruit.Further, the bottom of the shell 1 is equipped with connecting plate 20, and the connecting plate 20 is bolted on shell 1, connects The clamping position for clamping external component is formed between plate 20 and bottom cover 5.
The foregoing is merely the preferred embodiments of the present invention, as long as realizing the skill of the object of the invention with essentially identical means Art scheme belongs within protection scope of the present invention.

Claims (1)

1. a kind of unidirectional adjustable damper, it is characterised in that:Including shell(1), be mounted on shell(1)Interior cylinder sleeve(2), installation In cylinder sleeve(2)Interior piston(3), be connected to piston(3)On push rod(4), be mounted on cylinder sleeve(2)Or shell(1)The bottom of bottom Lid(5), the push rod(4)Across bottom cover(5), the piston(3)On be connected with spring(6), the spring(6)Positioned at piston (3)With cylinder sleeve(2)The high pressure chest that inner wall surrounds(7)It is interior, the high pressure chest(7)Side wall be equipped with oil outlet(8), the piston (3)With bottom cover(5)Between surround low pressure chamber(9), the low pressure chamber(9)Side wall be equipped with oil inlet(10), the oil outlet(8) With oil inlet(10)Between pass through pipeline(11)Connection, the oil outlet(8)It is equipped with the current limiter for adjusting flow rate of liquid, it is described Piston(3)It is equipped with connection high pressure chest(7)With low pressure chamber(9)Through-hole(12), through-hole(12)It is equipped with the rubber for forming check valve Glue valve block(13);The current limiter is mounted on oil outlet(8)On, the current limiter includes rotary adjustment axis(14), peace Mounted in adjustment axis(14)The adjustment hole of side wall(15), the adjustment hole(15)With oil outlet(8)It is corresponding, the adjustment axis(14) From shell(1)Outside passes through and puts in high pressure chest(7)It is interior;The adjustment hole(15)With oil outlet(8)Between be equipped with oil groove(16), The oil groove(16)Along adjustment axis(15)Upper radial distribution and depth is with angle change;The adjustment axis(14)Outside be equipped with Graduation indication slot;The adjustment axis(14)Middle part be additionally provided with the plug needle for sealed oiling mouth(17);The push rod(4)Upper set Equipped with limitation push rod(4)Move axially the stop collar of distance(18), stop collar(18)Outer wall be equipped with can be connect with external component Motion thread, the stop collar(18)Across bottom cover(5)And with bottom cover(5)Between be axial restraint;The push rod(4)On It is arranged with seal bellows(19), seal bellows(19)Top be connected to push rod(4)With piston(3)Between, seal ripple Pipe(19)Bottom be connected to bottom cover(5)On;The shell(1)Bottom be equipped with connecting plate(20), the connecting plate(20)It is logical It crosses bolt and is fixed on shell(1)On;The cylinder sleeve(2)Pass through screw and shell(1)It is fixedly connected;The pipeline(11)Positioned at cylinder Set(2)External and shell(1)Between inner wall.
CN201610057075.2A 2016-01-26 2016-01-26 A kind of unidirectional adjustable damper Active CN105485234B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610057075.2A CN105485234B (en) 2016-01-26 2016-01-26 A kind of unidirectional adjustable damper

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Application Number Priority Date Filing Date Title
CN201610057075.2A CN105485234B (en) 2016-01-26 2016-01-26 A kind of unidirectional adjustable damper

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CN105485234A CN105485234A (en) 2016-04-13
CN105485234B true CN105485234B (en) 2018-07-13

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108825857B (en) * 2018-07-24 2019-08-30 段小刚 Stem unit with status indication and solenoid valve

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2174590Y (en) * 1993-07-05 1994-08-17 王杰 Unidirectional hydraulic damper
DE10260395B3 (en) * 2002-12-21 2004-06-09 Zf Sachs Ag Hydraulic oscillation damper with adjustable damping valve and vented hollow space defined by piston rod and displacement rod secured to damping cylinder base
DE202005021063U1 (en) * 2005-11-18 2007-01-25 Hahn, Ulrich Oil damper used in pieces of furniture comprises an outer tube surrounding an inner tube, connecting parts connected to both tubes, a piston, a stepped hole, a throttle part and a further channel
CN102203369A (en) * 2008-10-23 2011-09-28 拉玛德卡尼股份公司 Damper
CN202228586U (en) * 2011-04-29 2012-05-23 超卓机械科技(上海)有限公司 Flow regulator of hydraulic buffer device
CN202251618U (en) * 2011-09-20 2012-05-30 宁波一力减震器有限公司 Hydraulic damper with adjustable force value
JP2014156884A (en) * 2013-02-15 2014-08-28 Kayaba Ind Co Ltd Solenoid valve
CN204553399U (en) * 2015-01-21 2015-08-12 巨隆液压设备(集团)有限公司 A kind of hydraulic support tail boom pushing device
CN204878501U (en) * 2015-06-24 2015-12-16 上海赛弗工程减震技术有限公司 Prevent leaking multiple sealed viscous damper
CN205533962U (en) * 2016-01-26 2016-08-31 佛山市科皓燃烧设备制造有限公司 One -way adjustable damping ware

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2174590Y (en) * 1993-07-05 1994-08-17 王杰 Unidirectional hydraulic damper
DE10260395B3 (en) * 2002-12-21 2004-06-09 Zf Sachs Ag Hydraulic oscillation damper with adjustable damping valve and vented hollow space defined by piston rod and displacement rod secured to damping cylinder base
DE202005021063U1 (en) * 2005-11-18 2007-01-25 Hahn, Ulrich Oil damper used in pieces of furniture comprises an outer tube surrounding an inner tube, connecting parts connected to both tubes, a piston, a stepped hole, a throttle part and a further channel
CN102203369A (en) * 2008-10-23 2011-09-28 拉玛德卡尼股份公司 Damper
CN202228586U (en) * 2011-04-29 2012-05-23 超卓机械科技(上海)有限公司 Flow regulator of hydraulic buffer device
CN202251618U (en) * 2011-09-20 2012-05-30 宁波一力减震器有限公司 Hydraulic damper with adjustable force value
JP2014156884A (en) * 2013-02-15 2014-08-28 Kayaba Ind Co Ltd Solenoid valve
CN204553399U (en) * 2015-01-21 2015-08-12 巨隆液压设备(集团)有限公司 A kind of hydraulic support tail boom pushing device
CN204878501U (en) * 2015-06-24 2015-12-16 上海赛弗工程减震技术有限公司 Prevent leaking multiple sealed viscous damper
CN205533962U (en) * 2016-01-26 2016-08-31 佛山市科皓燃烧设备制造有限公司 One -way adjustable damping ware

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