CN107131177B - A kind of anti-pulse actuator - Google Patents
A kind of anti-pulse actuator Download PDFInfo
- Publication number
- CN107131177B CN107131177B CN201610113806.0A CN201610113806A CN107131177B CN 107131177 B CN107131177 B CN 107131177B CN 201610113806 A CN201610113806 A CN 201610113806A CN 107131177 B CN107131177 B CN 107131177B
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- CN
- China
- Prior art keywords
- damping
- cavity
- push rod
- elastic packing
- spring
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
-
- 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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The present invention relates to a kind of anti-pulse actuators, the anti-pulse actuator includes upper shell, lower housing, elastic packing diaphragm, spring, push rod, one end of push rod and the center of elastic packing diaphragm medial roof wall are fixedly linked, a spring is equipped on the inside of elastic packing diaphragm between lower housing, push rod is arranged in spring；A damping cavity is equipped between spring and push rod, push rod passes through the damping cavity and is slidingly sealed cooperation with the damping cavity, the push rod is equipped with the damping ring that cooperation is slidingly sealed with damping cavity wall, the damping ring will be divided into epicoele and cavity of resorption between the inside cavity of damping cavity, multiple damping holes are additionally provided on the damping ring, filling liquid medium in damping cavity during use, when push rod and damping ring move in damping cavity, medium in damping cavity forms damping action by damping hole between epicoele and cavity of resorption, and the action of anti-throw-out lever mutates.
Description
Technical field
The present invention relates to actuation technologies field, specifically a kind of anti-pulse actuator.
Background technology
Actuator is widely used in the occasions such as automobile, space flight, industrial equipment action control, with science and technology it is continuous into
The performance requirement of the start component in control system is continuously improved in step, people, it is desirable that executing agency can be more precisely reliable
Work.It is the processing of the means such as non-filtered noise reduction or controls signal to be that air pressure, hydraulic pressure etc. are not easy to post-processing when control signal
When, influence whether execution device accuracy of action, stability and reliability.Actuator is moved after control signal inputs
Make the key components realized, the reliability of the reliable and stable degree direct influence acted to entire control system.It is common to hold
Row device is hydraulic pressure or pneumatic structure, controls signal as hydraulic pressure or air pressure, as shown in Figure 1：Control gas（Liquid）Source is by input terminal 11
It enters in sealed volume 7, the pressure push the spring 8 acted on elastic packing diaphragm 6 is compressed, by push rod 10 by displacement
It exports to execution unit 17.Also there is the actuator that putter action is realized using negative pressure, but it is believed by control after all
Number gas or liquid act directly on sealing piston end face push putter action realize.Its is simple in structure, it is impossible to realization pair
The post processing of gas or liquid control signal is inputted, the action of push rod can be because the pulse of signal and unstability occur in order to control
Unstable action is realized.This kind of control jitter is common, and it drives actuator action because of such control letter
Number it is unstable and generate action deviation influence be serious and engineering in it is undesirable.
Invention content
The technical problems to be solved by the invention be to provide it is a kind of with built-in damping unit, control signal can be resisted
Pulse and the actuator of noise jamming.
To solve the above-mentioned problems, the present invention provides a kind of anti-pulse actuator, the anti-pulse actuator includes upper
Housing, lower housing, elastic packing diaphragm, spring, push rod, the edge riveted of the upper shell, lower housing and elastic packing diaphragm
A seal cavity is formed together；One end of the push rod and the center of elastic packing diaphragm medial roof wall are fixedly linked, described
A spring is equipped on the inside of elastic packing diaphragm between lower housing, the push rod is arranged in the spring, push rod it is relatively another
One end passes through the bottom wall of the lower housing and the execution unit with being on the outside of lower housing is connected；It is set between the spring and push rod
There is a damping cavity, the push rod passes through the damping cavity and is slidingly sealed cooperation with the damping cavity, which is equipped with and the resistance
Buddhist nun's cavity wall is slidingly sealed the damping ring of cooperation, which will be divided into epicoele and cavity of resorption between the inside cavity of damping cavity, the resistance
It is additionally provided with multiple damping holes on Buddhist nun's ring, filling liquid medium in damping cavity during use, the push rod and damping ring are damping
When intracavitary moves, the liquid medium in damping cavity forms damping action, anti-throw-out lever by damping hole between epicoele and cavity of resorption
Action mutate.
Further, the elastic packing diaphragm is set in carnival hat type, the upper shell, lower housing and carnival hat type elastic packing
The edge of diaphragm, which rivets together, forms a seal cavity, which is divided into two by elastic packing diaphragm, elastic packing
The top of diaphragm is sealed volume, and lower part is plunger shaft；The upper shell is equipped with input terminal, for being inputted into sealed volume
As the control air source of signal or liquid source.
Further, the damping cavity is cylindrical in shape setting, is easy to the damping ring and realizes in damping cavity be slidably matched.
Further, one end of the spring and the inside roof of elastic packing diaphragm are fixedly linked, the other end and lower housing
Bottom wall be fixedly linked, prevent spring moving influence push rod displacement accuracy.
Further, the actuator further includes sealing clamp, and one end of the push rod passes through sealing clamp and elastic packing
The center of roof is fixedly linked on the inside of diaphragm, ensures the leakproofness between sealed volume and plunger shaft.
Further, the actuator further includes the guiding bulb and sealing ring for carrying through-hole, the guiding bulb installation
In the bottom wall outer of lower housing, the sealing ring, which is fixedly mounted on, to be oriented between bulb and lower housing bottom wall, and the push rod slides
Coordinate and be oriented in the through-hole of bulb described, for guiding the direction of motion of push rod.
Further, the damping cavity is fixedly linked with lower housing bottom wall, convenient for damping unit is integrally disposed in actuator
Number of devices is reduced in inside, conducive to plant maintenance, reduces manufacture cost.
Further, the multiple damping hole is evenly distributed on the same circumference centered on push rod, the damping effect of formation
Fruit is more balanced.
The technique effect of invention：（1）The anti-pulse actuator of the present invention, relative to the prior art, damping unit is set
Inside actuator, when there is pulse ripple in the control signal of actuator, pressure drop of the snap in sealed volume
The liquid medium absorption for being damped ring and upper and lower intracavitary is returned, it is possible to prevente effectively from interference of the pulse ripple to push rod, anti-thrust
The action of bar mutates；（2）Damping unit is integrally disposed in inside actuator, reduces number of devices, conducive to plant maintenance, drop
Low manufacture cost；（3）Multiple damping holes are evenly distributed on the circumference centered on push rod, and the damping of formation is more equal
Weighing apparatus.
Description of the drawings
The present invention is described in further detail with reference to the accompanying drawings of the specification：
Fig. 1 is a kind of structure diagram of actuator of the prior art；
Fig. 2 is the structure diagram of the anti-pulse actuator of the present invention.
In figure：Upper shell 1, lower housing 2 are oriented to bulb 3, sealing ring 4, plunger shaft 5, elastic packing diaphragm 6, sealed volume
7, spring 8, sealing clamp 9, push rod 10, input terminal 11, damping cavity 12, epicoele 13, damping ring 14, cavity of resorption 15, damping hole 16 holds
Row component 17.
Specific embodiment
Embodiment 1
As shown in Fig. 2, the anti-pulse actuator of the present embodiment, including upper shell 1, lower housing 2, elastic packing diaphragm 6, bullet
Spring 8, push rod 10, elastic packing diaphragm 6 are set in carnival hat type, the side of upper shell 1, lower housing 2 and carnival hat type elastic packing diaphragm 6
A seal cavity is formed along riveting together, which is divided into two by elastic packing diaphragm 6, wherein elastic packing diaphragm
6 top is sealed volume 7, and lower part is plunger shaft 5；Upper shell 1 is equipped with input terminal 11, for being inputted into sealed volume 5
Compressed air as control signal（Other embodiment can be the liquid pressure sources such as hydraulic oil, transformer oil）；Push rod 10
One end is fixedly linked with 6 inside roof of carnival hat type elastic packing diaphragm centrally through sealing clamp 9, ensures 7 He of sealed volume
Leakproofness between plunger shaft 5.
A spring 8, one end and the carnival hat type bullet of spring 8 are equipped between 6 inside of carnival hat type elastic packing diaphragm and lower housing 2
Property sealing diaphragm 6 inside roof be fixedly linked, the bottom wall of the other end and lower housing 2 is fixedly linked, and prevents spring 8 from moving；It pushes away
Bar 10 is arranged in spring 8, and push rod 10 passes through the bottom wall of lower housing 2 also cross the guiding mounted on 2 bottom wall outer of lower housing
The through-hole setting of bulb 3 is oriented between 2 bottom wall of bulb 3 and lower housing and is slidably fitted in ball equipped with sealing ring 4, push rod 10
In first 3 through-hole, the execution unit 17 that end is oriented to 3 outside of bulb with being in is connected, for execution unit 17 to be driven to move.
A tubular damping cavity 12 is equipped between spring 8 and push rod 10, which is fixedly linked with 2 bottom wall of lower housing,
Filling hydraulic oil in the damping cavity 12（Other embodiment can be water）, push rod 10 pass through the damping cavity 12 and with the damping cavity 12
Cooperation is slidingly sealed, which is equipped with the damping ring 14 that cooperation is slidingly sealed with 12 inner wall of damping cavity, which will
Epicoele 13 and cavity of resorption 15 are divided between the inside cavity of damping cavity 12, on the damping ring 14 on the same circumference centered on push rod
It is uniformly distributed multiple damping holes 16.
It is inputted when the anti-pulse actuator uses through input terminal 11 into sealed volume 7 as the compression sky for controlling signal
Gas pushes elastic packing diaphragm 6 that push rod 10 is driven to be pressed downward contracting in plunger shaft 5, default so as to which execution unit 17 be pushed to perform
Action；When compressed air as control signal encounters pulse generation suddenly change, the medium in damping cavity 12 passes through damping
Hole 16 forms damping action between epicoele 13 and cavity of resorption 15, the action of anti-throw-out lever 10 mutates, so as to reach elimination arteries and veins
The function of punching.
The labile pulse for controlling signal is rushed in capable post processing by the present invention, using damping system by the shakiness of pulse signal source
Determine noise to be post-processed, can realize that signal processing under specific engineering applications and action are real by designing different damping values
It is existing, under the premise of control system other structures cost is not increased, reliable and stable control signal is directly obtained, control can be resisted
The pulsing effect of signal has many advantages, such as shock resistance, vibration resistance, reliable and stable.Not only increase the action essence of execution device
Degree and stability also improve the controllability and service life of system
Obviously, the above embodiment is merely an example for clearly illustrating the present invention, and is not to the present invention
The restriction of embodiment.For those of ordinary skill in the art, it can also be made on the basis of the above description
Its various forms of variation or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this hair
The obvious changes or variations that bright spirit is extended out are still in the protection scope of this invention.
Claims (6)
1. a kind of anti-pulse actuator, which is characterized in that including：Upper shell（1）, lower housing（2）, elastic packing diaphragm（6）, bullet
Spring（8）, push rod（10）, the spring（8）It is arranged on elastic packing diaphragm（6）Inside and lower housing（2）Between, the push rod
（10）It is arranged on the spring（8）It is interior；The spring（8）With push rod（10）Between be equipped with a damping cavity（12）, the damping cavity
（12）Interior filling liquid medium, the push rod（10）Across the damping cavity（12）Setting and with the damping cavity（12）It is slidingly sealed and matches
It closes, the push rod（10）On be additionally provided with and the damping cavity（12）Inner wall is slidingly sealed the damping ring of cooperation（14）, the damping ring
（14）By damping cavity（12）Inside cavity between be divided into epicoele（13）And cavity of resorption（15）, the damping ring（14）On be additionally provided with multiple resistances
Buddhist nun hole（16）, the push rod（10）And damping ring（14）In damping cavity（12）When interior mobile, damping cavity（12）Interior liquid medium
Pass through damping hole（16）In epicoele（13）And cavity of resorption（15）Between form damping action；
The damping cavity is fixedly linked with lower housing bottom wall.
2. anti-pulse actuator according to claim 1, which is characterized in that the elastic packing diaphragm（6）In carnival hat type
Setting, the upper shell（1）, lower housing（2）With carnival hat type elastic packing diaphragm（6）Edge rivet together composition one sealing
Cavity, elastic packing diaphragm（6）The seal cavity is divided into two, the elastic packing diaphragm（6）Top be sealed volume
（7）, lower part is plunger shaft（5）.
3. anti-pulse actuator according to claim 1 or 2, which is characterized in that the damping cavity（12）It is cylindrical in shape setting.
4. anti-pulse actuator according to claim 3, which is characterized in that the spring（8）One end and elastic packing
Diaphragm（6）Inside roof be fixedly linked, the other end and lower housing（2）Bottom wall be fixedly linked.
5. anti-pulse actuator according to claim 1, which is characterized in that the actuator further includes sealing clamp（9）,
The push rod（10）One end pass through sealing clamp（9）With elastic packing diaphragm（6）The center of inside roof is fixedly linked.
6. anti-pulse actuator according to claim 3, which is characterized in that the multiple damping hole（16）It is evenly distributed on
With push rod（10）Centered on same circumference on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610113806.0A CN107131177B (en) | 2016-02-29 | 2016-02-29 | A kind of anti-pulse actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610113806.0A CN107131177B (en) | 2016-02-29 | 2016-02-29 | A kind of anti-pulse actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107131177A CN107131177A (en) | 2017-09-05 |
| CN107131177B true CN107131177B (en) | 2018-06-26 |
Family
ID=59720589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610113806.0A Expired - Fee Related CN107131177B (en) | 2016-02-29 | 2016-02-29 | A kind of anti-pulse actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107131177B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55139927A (en) * | 1979-04-18 | 1980-11-01 | Hitachi Ltd | Exhaust turbosupercharger |
| CN2756840Y (en) * | 2004-09-20 | 2006-02-08 | 张玲玉 | Turbine supercharged regulating excuator |
| DE202005017296U1 (en) * | 2005-03-03 | 2006-02-02 | Smk Systeme Metall Kunststoff Gmbh & Co. | Boost pressure regulator for exhaust turbocharger of internal combustion engines for automobiles |
| CN203769936U (en) * | 2014-02-28 | 2014-08-13 | 宁波丰沃涡轮增压系统有限公司 | Brazing actuator |
| CN205618473U (en) * | 2016-02-29 | 2016-10-05 | 汉捷机械部件（常州）有限公司 | Anti pulse actuator with hydraulic damper |
-
2016
- 2016-02-29 CN CN201610113806.0A patent/CN107131177B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN107131177A (en) | 2017-09-05 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180626 Termination date: 20210228 |