CN109538812A - multi-position adjusting mechanism - Google Patents
multi-position adjusting mechanism Download PDFInfo
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- CN109538812A CN109538812A CN201811324289.7A CN201811324289A CN109538812A CN 109538812 A CN109538812 A CN 109538812A CN 201811324289 A CN201811324289 A CN 201811324289A CN 109538812 A CN109538812 A CN 109538812A
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- cylinder body
- piston
- adjustment
- handwheel
- perforation
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- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 230000009471 action Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1225—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston with a plurality of pistons
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- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1409—Characterised by the construction of the motor unit of the straight-cylinder type with two or more independently movable working pistons
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Actuator (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a multi-position adjusting mechanism which is characterized by comprising a first pneumatic cylinder device, a second pneumatic cylinder device and a position adjusting device, wherein the position adjusting device comprises an adjusting hand wheel, an adjusting screw rod, a positioning screw cap and at least one ejector rod; one end of the adjusting screw rod is connected with the adjusting hand wheel, the adjusting screw rod penetrates through the second through hole of the second cylinder body, and the other end of the adjusting screw rod extends towards the inner wall of the second cylinder body; the ejector rod is connected with the second piston and movably penetrates through the positioning nut and the third through hole of the second cylinder body, the adjusting screw rod penetrates through and is in threaded connection with the positioning nut, and the adjusting hand wheel is rotated to drive the adjusting screw rod to rotate and linearly move the positioning nut. The invention can adjust the moving range of the first piston by rotating the adjusting hand wheel to linearly move the positioning nut and matching with the air pressure to push the ejector rod.
Description
Technical field
The present invention relates to a kind of adjustment mechanism, in particular to a kind of multiposition adjustment mechanism.
Background technique
Valve (valve) class device is commonly used between fluid circuit, mainly as the flow of fluid, pressure control in pipeline
System, adjusting, steering, non-return, start or stop flowing etc..The type of valve is quite a lot of, also can be because being used in water pipe, oil pressure or gas
The type of fluid such as pressure are different or preset the function difference generated, and the valve type for respectively having its applicable.With currently used vacuum
For the construction of valve, it is broadly divided into the gate valve (gate valve) of dead-beat on-off action, the butterfly valve of rotary type on-off action
Pendulum valve (pendulum valve) of (butterfly valve) and rocker-arm on-off action etc..
Currently, having a kind of piston apparatus using air pressure driving the device that is closed with movable valve.However, this use gas
The device that pressure driving carrys out opening/shutting valve usually can only fully open valve and the maximum amount of fluid is allowed to pass through from valve, either
Valve is closed to stop fluid to pass through from valve.Therefore, it if only needing to allow the fluid of part to pass through from valve, or is intended to control
When making the Fluid Volume passed through from valve, user is difficult with the device to achieve the purpose that flow control.
Summary of the invention
Problem to be solved by this invention is: the existing piston apparatus using air pressure driving is difficult to control the stream by valve
The technical issues of scale of construction.
To solve the above-mentioned problems, the present invention provides a kind of multiposition adjustment mechanisms characterized by comprising
First Pneumatic cylinder device comprising the first cylinder body, first piston and First piston bar with the first perforation, first
Piston is set in the first cylinder body, and one end of First piston bar connects first piston, and the other end is from the first perforation of the first cylinder body
Expose；
Second Pneumatic cylinder device comprising the second cylinder body connecting with the first cylinder body, the second cylinder body is interior to be equipped with second piston,
Second cylinder body is equipped with the second perforation and the perforation of at least one third；
Position regulator comprising adjustment handwheel, adjustment screw, positioning screw cap and at least one mandril, adjustment screw
One end connection adjustment handwheel, adjustment screw is arranged in the second perforation, and the other end of adjustment screw is to the side of the second cylinder body
Inner wall extends, and mandril connects second piston and is arranged in positioning screw cap and third perforation, wherein adjustment screw and positioning screw cap
It is spirally connected；
It adjusts handwheel and drives adjustment screw rotation and linear movement positioning screw cap, wherein second piston is in first gas pressure
It is moved to positioning screw cap to the first cylinder body under the action of power, second piston drives mandril mobile to the first cylinder body and is protruding to first
In cylinder body, the mobile first piston of the second gas pressure of generation, so that First piston bar be made to protrude from outside the first cylinder body, this is convex
The length of section is the first length out.
It preferably, is detachable structure between second Pneumatic cylinder device and the first cylinder body of the first Pneumatic cylinder device.
Preferably, one end of the adjustment screw from exposing in the second cylinder body and connects the adjustment hand being located at outside the second cylinder body
Wheel.
Preferably, load-bearing part is equipped in the adjustment handwheel, which is set to biperforate outside of the second cylinder body,
Adjustment handwheel is flexibly connected with load-bearing part, adjustment handwheel on be additionally provided with one be used for limit fixing piece.
Preferably, the fixing piece is arranged in adjustment handwheel, and when fixing piece is abutted with load-bearing part, adjustment handwheel is opposite
It is limited in load-bearing part.
It is highly preferred that the load-bearing part is connect by bearing with adjustment screw.
Preferably, it is the second length that the mandril, which is protruding to the length in the first cylinder body, and the second length is by adjusting handwheel
It adjusts.
Preferably, second perforation is located at the center of side of the second cylinder.
Preferably, second Pneumatic cylinder device further includes the second piston bar connecting with second piston, on the second cylinder body
Hold access slot equipped with first matched with second piston bar, the bottom that the end of second piston bar holds access slot in first limits.
Preferably, the adjustment screw is arranged in the center of positioning screw cap, and the quantity of mandril is at least two, and mandril is worn
It is arranged symmetrically in positioning screw cap and by center line of adjustment screw；Adjustment screw through second piston bar, second piston and
In positioning screw cap.
It is highly preferred that the inner wall of second cylinder body, which is equipped with second, holds access slot, the head of positioning screw cap holds access slot in second
Bottom limit.
It is highly preferred that second perforation and third perforation are located at the opposite sides of the second cylinder body.
Compared with prior art, the invention has the following advantages:
(1) present invention drives adjustment screw to rotate using rotation adjustment handwheel, can to drive positioning screw cap linear movement
To adjust the position for changing positioning screw cap.Therefore, drive mandril towards the first cylinder body when second piston is pushed by gas pressure
When mobile, second piston can abut positioning screw cap, be protruding to the length in the first cylinder body so as to adjust mandril, change the with adjustment
The scope of activities of first piston in one cylinder body achievees the purpose that adjust valve opening amount；
(2) since the internal diameter of the first cylinder body and the second cylinder body is identical and the sectional area of First piston bar is greater than the in the present invention
The sectional area of two piston rods, therefore also can be than the sectional area of second piston by the sectional area of the first piston of gas pressure promotion
It is small, therefore need not pressure-regulating valve be additionally set, it can identical gas pressure is passed through into the first cylinder body and the second cylinder body, from
And second piston is easily made to be pushed by gas pressure and be supported together with positioning screw cap, to reach the line of adjustment first piston
The purpose of property displacement and valve opening amount；
(3) the second Pneumatic cylinder device in the present invention, which can be, detachably connects the first Pneumatic cylinder device, if therefore
When user need not adjust the position for changing first piston, the second Pneumatic cylinder device and the first Pneumatic cylinder device can be separated
Come, then additional one end is placed on the side of the first Pneumatic cylinder device, valve can be fully opened or completely close by as generally having
Pneumatic cylinder device, have both practicability and flexibly with property；
(4) present invention can also fix rotated adjustment handwheel using fixing piece, therefore user adjusts in rotation
After whole handwheel makes positioning screw cap be located at predetermined position, fixing piece can be arranged in adjustment handwheel to abut load-bearing part, to keep away
Adjustment-free handwheel is unpredictably rotated and is changed the position of positioning screw cap, and then changes the predetermined open amount of valve.
Detailed description of the invention
Fig. 1 is that the mandril of multiposition adjustment mechanism provided by the invention is not protruding in the first cylinder body and First piston bar is convex
Out to the cross-sectional view outside the first cylinder body, when the first length is shorter；
Fig. 2 is that the mandril of multiposition adjustment mechanism provided by the invention is not protruding in the first cylinder body and First piston bar is convex
Out to the cross-sectional view outside the first cylinder body, when the first length is longer；
Fig. 3 is the positioning screw cap of the multiposition adjustment mechanism provided by the invention cross-sectional view mobile to the first cylinder body；
Fig. 4 is that the positioning screw cap of multiposition adjustment mechanism provided by the invention is mobile to the first cylinder body and mandril is protruding to the
Cross-sectional view when one cylinder body；
Fig. 5 is the partial sectional view of multiposition adjustment mechanism provided by the invention；
Fig. 6 is the stereoscopic schematic diagram of multiposition adjustment mechanism internal structure provided by the invention；
Fig. 7 is the stereoscopic schematic diagram of multiposition adjustment mechanism provided by the invention；
Fig. 8-10 is that multiposition adjustment mechanism provided by the invention applies the schematic diagram in pendulum valve.
Specific embodiment
In order to make the present invention more obvious and understandable, hereby with preferred embodiment, and attached drawing is cooperated to be described in detail below.
Embodiment
It as shown in figs. 1-7, is multiposition adjustment mechanism provided by the invention comprising the first Pneumatic cylinder device 10, second
Pneumatic cylinder device 20 and position regulator 30.First Pneumatic cylinder device 10 includes the first cylinder body with the first perforation 12
14, first piston 16 and First piston bar 18.The first cylinder body 14 of movable air-tight connection of first piston 16, First piston bar 18 can
Dynamic formula is airtight to wear the first perforation 12 and connection first piston 16.Second Pneumatic cylinder device 20 connects the first Pneumatic cylinder device 10
First cylinder body 14, the second Pneumatic cylinder device 20 include the second piston of the second cylinder body 22 and movable second cylinder body 22 that is tightly connected
24, and the second cylinder body 22 has the second perforation 26 and at least one third perforation 28.Position regulator 30 includes adjustment handwheel
32, adjustment screw 34, positioning screw cap 36 and at least one mandril 38.One end connection adjustment handwheel 32 of adjustment screw 34, adjustment
Screw rod 34 wears the second perforation 26 of the second cylinder body 22 and the inner wall 222 of the other end towards the second cylinder body 22 of adjustment screw 34 prolongs
Stretch, mandril 38 connect second piston 24 and it is movable wear positioning screw cap 36 and third perforation 28.Adjustment screw 34 is worn and spiral shell
Positioning screw cap 36 is connect, the rotation of adjustment screw 34 and linear movement positioning screw cap 36 are driven by rotation adjustment handwheel 32.
It allows the first piston 16 and First piston bar 18 to be moved to position appropriate by providing atmospheric pressure, can allow valve
Door (such as pendulum valve) is in unlatching or closed state, to achieve the purpose that trandfer fluid or stop trandfer fluid.Such as Fig. 1 institute
Show, when gas pressure F1 is applied to when first piston 16 makes first piston 16 be moved to the right end of the first cylinder body 14 (at this time
First piston 16 abuts mandril 38 and/or the second cylinder body 22), then First piston bar 18 is pushed and direction second by first piston 16
Cylinder body 22 is mobile, so that the first length L1 being protruding to outside the first cylinder body 14 shortens, then arranges in pairs or groups and connect with First piston bar 18
Valve mechanism design, can allow valve in open or closed state.As shown in Fig. 2, when gas pressure F3 is applied to first
(first piston 16 abuts a left side for the first cylinder body 14 at this time when piston 16 allows first piston 16 mobile away from the second cylinder body 22
Side inner wall), then First piston bar 18 is pushed by first piston 16, so that the first length L1 being protruding to outside the first cylinder body 14 stretches
It is long, then the valve mechanism design being connect with First piston bar 18 of arranging in pairs or groups, valve can be allowed in closing or open state.Passing through will
The connection structure design of the shift position collocation valve of First piston bar 18, can be defined as valve when the first length L1 extends
Open and by the first length L1 shorten when be defined as valve close (or by the first length L1 extend when be defined as valve close
And valve opening is defined as when shortening the first length L1), depending on actual demand.
As shown in Figs 1-4, wear ring 19 can be selectively provided on first piston 16, wear ring 19 can be located on
With the inner wall selective exposure with the first cylinder body 14 on first piston 16.It can allow first piston 16 to push by gas pressure
And deformation is not likely to produce during moving, it is possible to reduce the consume of first piston 16 improves service efficiency.
Fig. 8-10 is the schematic diagram of the invention applied in pendulum valve, and wherein the valve openings 56 in Fig. 8 are in open state, figure
Valve openings 56 in 9 are in closed state, and the valve openings in Figure 10 are in partially open state.The multiposition adjustment mechanism can be with
Collocation pendulum valve 50 opens the valve openings 56 of pendulum valve 50 with unlatching, closing or part.Pendulum valve 50 can be general normal
The pendulum valve arrangement seen includes pedestal 52, valve 54, valve openings 56 and moving part 58.Pedestal 52 has chamber, and valve
Door opening 56 runs through the chamber of pedestal 52.58 connecting valve 54 of moving part and First piston bar 18, pass through First piston bar 18
Linear movement drives 58 actuation of moving part, so that valve 54 pendulum model is mobile, is opened, is closed or part by valve 54
Open valve opening 56.The present invention can also apply the valve mechanism in other types in addition to that can apply on pendulum valve,
This is seldom repeated.
To regulate and control the length of the first length L1 with Open valve (see Fig. 8) or valve is closed except through offer gas pressure
Door (see Fig. 9), can also allow First piston bar 18 to be protruding to the position tune outside the first cylinder body 14 by position regulator 30
It is made into predetermined position appropriate (allowing the first length L1 is predetermined length appropriate), so that the valve connecting with First piston bar 18
Door can be opened in part or semi-open state (see Figure 10).
The following contents illustrates how position regulator 30 through the invention to adjust the scope of activities of first piston 16
And the position of First piston bar 18.User can drive adjustment screw 34 to rotate by rotation adjustment handwheel 32, at this time
The meeting of positioning screw cap 36 linear movement due to rotation of adjustment screw 34 being screwed together with adjustment screw 34.As shown in figure 3, making
User can allow positioning screw cap 36 mobile (or by inverse towards the first cylinder body 14 by rotating clockwise adjustment handwheel 32
Hour hands rotation adjusts handwheel 32 to make positioning screw cap 36 mobile towards the first cylinder body 14).As shown in figure 4, by positioning screw cap 36
After being moved to predetermined position, then gas pressure F2 is applied to second piston 24, second piston 24 is moved towards the first cylinder body 14
It is dynamic until abut positioning screw cap 36, since mandril 38 is linked together with second piston 24, when second piston 24 by
Gas pressure F2 will drive mandril 38 and be protruding in the first cylinder body 14 towards the movement of the first cylinder body 14 when pushing.As shown in figure 4,
It is the second length L2 that mandril 38, which is protruding to the length in the first cylinder body 14, and can adjust second by rotation adjustment handwheel 32
The length of length L2.Therefore, if the degree of rotation of adjustment handwheel 32 is more, then mandril 38 is protruding to the in the first cylinder body 14
Two length L2 also can be longer therewith.The first piston 16 pushed at this time by gas pressure F1 is understood and is protruding in the first cylinder body 14
Mandril 38 abuts together, since the internal diameter of the first cylinder body 14 and the second cylinder body 22 is identical and the sectional area of First piston bar 18 is big
In the sectional area (i.e. bar diameter of the bar diameter of First piston bar 18 greater than second piston bar 29) of second piston bar 29, therefore, it is bullied
The sectional area of first piston 16 that body pressure pushes also can be smaller than the sectional area of second piston 24, if be passed through to the first cylinder body 14 and
The gas pressure of second cylinder body 22 is identical, then gas pressure F2 can be greater than gas pressure F1, and second piston 24 is kept
Abut positioning screw cap 36 state, without because gas pressure F1 push mandril 38 and allow second piston 24 not with positioning screw cap
36 abut together, and change the predetermined position of mandril 38.Therefore, it is moved to predetermined when mandril 38 is pushed by gas pressure F2
Behind position, 18 linear movement of First piston bar can be allowed by providing gas pressure F1 again, so that First piston bar 18 is protruded
Position outside to the first cylinder body 14 can be adjusted to predetermined position appropriate, and (allowing the first length L1 is pre- fixed length appropriate
Degree), the valve that Lai Rangyu First piston bar 18 connects can be in semi-open or partially open state.Therefore, it is adjusted by changing
The amount of spin of whole adjustment handwheel 32, adjustable setting mandril 38 are protruding to the second length L2 in the first cylinder body 14, are adjusted with this
The scope of activities of whole setting first piston 16, achievees the purpose that adjust valve opening amount.
Second perforation 26 and third perforation 28 can be located at the opposite sides of the second cylinder body 22.As shown in Figs 1-4, it second wears
Hole 26 is located at the right side of the second cylinder body 22, and third perforation 28 is located at the left side of the second cylinder body 22.Third perforation 28 and mandril 38
Quantity be at least two and be it is mutual corresponding, i.e., third perforation 28 and mandril 38 quantity can be it is identical.The present embodiment
In, the quantity of third perforation 28 and mandril 38 is all two, and mandril 38 wears positioning screw cap 36 with can be symmetrical formula, when
When gas pressure F2 pushes second piston 24, mandril 38 can be pushed steadily.Adjustment screw 34 wears positioning screw cap 36
Center, and the second perforation 26 is located at the centre on 22 right side of the second cylinder body.By wearing adjustment screw 34 positioned at the second cylinder
Second perforation 26 at body right center position and the center of positioning screw cap 36, can make when rotation adjusts handwheel 32, more
It can steadily drive positioning screw cap 36 mobile.
When adjusting handwheel 32 and rotating, the positioning screw cap 36 that is screwed together with adjustment screw 34 can be towards or away from the
One cylinder body, 14 linear movement.Adjustment screw 34 has an external thread structure, and positioning screw cap 36 has corresponding to external thread structure
An internal thread structure can to wear limit by mandril 38 by mutual corresponding external thread structure and internal thread structure
Positioning screw cap 36 will not be rotated with adjustment screw 34, but can linearly move, to change the position of adjustment positioning screw cap 36
It sets.
Second Pneumatic cylinder device 20 is the first cylinder body 14 for detachably connecting the first Pneumatic cylinder device 10.Therefore, if
It, can be by the second Pneumatic cylinder device 20 and the first Pneumatic cylinder device 10 when user need not adjust the position for changing first piston 16
It separates, then additional one end is placed on side (the i.e. right side of the first Pneumatic cylinder device 10 in Fig. 1-4 of the first Pneumatic cylinder device 10
Side), it is as general that there is the Pneumatic cylinder device that can fully open or completely close valve.Similarly, user can also be
After removing end cap, in additional second Pneumatic cylinder device 20 and position regulator 30 on general existing Pneumatic cylinder device, i.e.,
The scope of activities that adjustment first piston 16 can be connected can save cost, improve flexible Application, can also reach adjustment valve
The purpose of open amount.
One end of adjustment screw 34 is convexly equipped in the second adjustment handwheel 32 that cylinder body 22 is outer and connection is outside the second cylinder body 22.
The outside that handwheel 32 can be located at the second cylinder body 22 is adjusted, user only needs to rotate external adjustment handwheel 32, it can letter
Just the position of positioning screw cap 36 is adjusted, and then changes the moving range of first piston 16.
As shown in figure 5, multiposition adjustment mechanism can also add load-bearing part 40, it is positioned in the second of the second cylinder body 22
In perforation 26, adjustment 32 rotary type of handwheel coats load-bearing part 40, and adjustment handwheel 32 is equipped with fixing piece 42, abuts via fixing piece 42
Load-bearing part 40 and fixed rotated adjustment handwheel 32.Load-bearing part 40 is fixed on the second cylinder body 22 and leads to adjustment screw 34
It crosses bearing 60 and links together.It adjusts handwheel 32 and is equipped with perforation, allow fixing piece 42 by passing through adjustment handwheel
Perforation on 32 with the load-bearing part 40 being located inside adjustment handwheel 32 to abut together.Fixing piece 42 wears adjustment movablely
Handwheel 32, selectively to abut load-bearing part 40.When fixing piece 42 abuts load-bearing part 40, then handwheel 32 is adjusted in stationary state
And it can not rotate；And when fixing piece 42 does not abut load-bearing part 40, then adjusting handwheel 32 is in the state that can be rotated, and user can lead to
Rotation adjustment handwheel 32 is crossed to adjust the position of positioning screw cap 36.Therefore, when to be intended to rotate adjustment handwheel 32 fixed to change by user
When the position of position nut 36, fixing piece 42 can either completely or partially be extracted from adjustment handwheel 32, so that fixing piece 42 is not
It is abutted together with load-bearing part 40, it can rotation adjustment handwheel 32；And after rotation adjusts handwheel 32, it will can consolidate again
Determine part 42 to extend in the perforation of adjustment handwheel 32 until abutting together with load-bearing part 40, therefore it is non-to can be avoided adjustment handwheel 32
It is expected that property rotate and change the position of positioning screw cap 36, and then change the predetermined open amount of valve.
Second Pneumatic cylinder device 20 includes second piston bar 29, and the second cylinder body 22 has first to hold access slot 224, to hold
It sets and supports second piston bar 29 (see Fig. 1-3).Second piston bar 29 links together with second piston 24 or second piston bar
29 can also be integrally formed with second piston 24.Gas seal member 292 can be set in second piston bar 29, by by gas seal member
292 are located in second piston bar 29, so that being moved to the spiral shell of adjustment screw 34 in second piston 24 and/or second piston bar 29
It, will not be because of second piston 24 and/or second piston bar 29 and adjustment screw thread 34 at line position when (external thread structure i.e. above-mentioned)
Between the problem of not combining closely and gas is caused to leak.Adjustment screw 34 can be through second piston bar 29, second piston 24 and positioning
Nut 36.And the inner wall 222 of the second cylinder body 22 is equipped with second and holds access slot 226, positioning screw cap 36 has nut head 362, works as positioning
When nut 36 is mobile towards the first cylinder body 14, second, which holds the accommodating of access slot 226, abuts nut head 362.
Above-mentioned multiposition adjustment mechanism can also add position induction device, to sense the position of positioning screw cap 36.Position
Sensing device can use magnetic reed switch, be set on the either positioning screw cap 36 of 22 inside of the second cylinder body.Above-mentioned location sensitive
The type of device and setting position are only for example, and user can regard actual demand and select setting.It is adjusted by rotation handwheel 32
Behind the position of whole positioning screw cap 36, the position of positioning screw cap 36 can be learnt, through position induction device in order to user
Learn the open amount of valve.In addition, position induction device also can be set in First piston bar 18, pass through sensing first piston
The position of bar 18, more can be convenient for users to learning the open amount of valve.In addition, labeling section has also can be set in rotation handwheel 32,
User can also learn the amount of spin of rotation handwheel 32 by labeling section, and then learn position and the valve of positioning screw cap 36
The open amount of door.Since user can adjust the open amount of valve by rotation rotation handwheel 32, and rotating handwheel 32 can
Be stepless rotate, therefore positioning screw cap 36 is adjusted movement with being also possible to stepless, so stepless adjust and change
Become the open amount of valve.
Gas seal member is set between mandril 38 and second piston 24, it is living from second to avoid the gas for being applied to second piston 24
Gap between plug 24 and mandril 38 is overflowed, and influences air demand and valve opening amount.
In conclusion the present invention drives adjustment screw to rotate by rotation adjustment handwheel, to drive positioning screw cap linear
It is mobile, the adjustable position for changing positioning screw cap.Drive mandril towards the first cylinder when second piston is pushed by gas pressure
When body is mobile, second piston can abut positioning screw cap, and adjustment mandril is protruding to the length in the first cylinder body, change first with adjustment
The scope of activities of first piston in cylinder body achievees the purpose that adjust valve opening amount.Further, since the section of First piston bar
Product is greater than the sectional area of second piston bar, therefore need not pressure-regulating valve additionally be arranged, it can easily allow second piston by
Gas pressure is pushed and is supported together with positioning screw cap, to reach the linear displacement amount and valve opening amount of adjustment first piston
Purpose.Also, the second Pneumatic cylinder device, which can be, detachably connects the first Pneumatic cylinder device, if therefore user need not
When adjustment changes the position of first piston, the second Pneumatic cylinder device and the first Pneumatic cylinder device can be separated, then additional
One end is placed on the side of the first Pneumatic cylinder device, as general to have the pneumatic cylinder dress that fully open or completely close valve
It sets, have both practicability and flexibly uses property.In addition, the present invention can fix rotated adjustment handwheel by fixing piece,
Therefore user can for example adjust fixing piece after rotation adjustment handwheel makes positioning screw cap be located at predetermined position by wearing
Whole handwheel abuts load-bearing part, is unpredictably rotated and changed the position of positioning screw cap to avoid adjustment handwheel, and then changes
The predetermined open amount of valve.
Claims (12)
1. a kind of multiposition adjustment mechanism characterized by comprising
First Pneumatic cylinder device (10) comprising with the first perforation first cylinder body (14) of (12), first piston (16) and the
One piston rod (18), first piston (16) are set in the first cylinder body (14), and one end of First piston bar (18) connects first piston
(16), the other end exposes from the first perforation (12) of the first cylinder body (14)；
Second Pneumatic cylinder device (20) comprising the second cylinder body (22) connecting with the first cylinder body (14), the second cylinder body (22) are interior
Equipped with second piston (16), the second cylinder body (22) is equipped with the second perforation (26) and at least one third perforation (28)；
Position regulator (30) comprising adjustment handwheel (32), adjustment screw (34), positioning screw cap (36) and at least one top
Bar (38), one end connection adjustment handwheel (32) of adjustment screw (34), adjustment screw (34) are arranged in the second perforation (26), adjust
The other end of whole screw rod (34) extends to the side inner wall of the second cylinder body (22), and mandril (38) connects second piston (16) and wears
In in positioning screw cap (36) and third perforation (28), wherein adjustment screw (34) is spirally connected with positioning screw cap (36)；
It adjusts handwheel (32) and drives adjustment screw (34) rotation and linear movement positioning screw cap (36), wherein second piston (16)
It is moved to positioning screw cap (36) under the action of first gas pressure to the first cylinder body (14), second piston (16) drives mandril
(38) it moves and is protruding in the first cylinder body (14) to the first cylinder body (14), the mobile first piston of the second gas pressure of generation
(16), so that First piston bar (18) be made to protrude from, the first cylinder body (14) is external, and the length of the convex section is the first length (L1).
2. multiposition adjustment mechanism as described in claim 1, which is characterized in that second Pneumatic cylinder device (20) and first
It is detachable structure between the first cylinder body (14) of Pneumatic cylinder device (10).
3. multiposition adjustment mechanism as described in claim 1, which is characterized in that one end of the adjustment screw (34) is from second
Expose in cylinder body (22) and connection is located at the adjustment handwheel (32) of the second cylinder body (22) outside.
4. multiposition adjustment mechanism as described in claim 1, which is characterized in that be equipped with load-bearing part in the adjustment handwheel (32)
(40), which is set to the outside of second perforation (26) of the second cylinder body (22), adjusts handwheel (32) and load-bearing part
(40) be flexibly connected, adjustment handwheel (32) on be additionally provided with one for limit fixing piece (42).
5. multiposition adjustment mechanism as claimed in claim 4, which is characterized in that the fixing piece (42) is arranged in adjustment handwheel
(32) in, when fixing piece (42) is abutted with load-bearing part (40), adjustment handwheel (32) is limited relative to load-bearing part (40).
6. multiposition adjustment mechanism as claimed in claim 5, which is characterized in that the load-bearing part (40) by bearing (60) with
Adjustment screw (34) connection.
7. multiposition adjustment mechanism as described in claim 1, which is characterized in that the mandril (38) is protruding to the first cylinder body
(14) length in is the second length (L2), and the second length (L2) is by adjusting handwheel (32) adjusting.
8. multiposition adjustment mechanism as described in claim 1, which is characterized in that second perforation (26) is located at the second cylinder body
(22) center of side.
9. multiposition adjustment mechanism as described in claim 1, which is characterized in that second Pneumatic cylinder device (20) further includes
The second piston bar (29) connecting with second piston (24), the second cylinder body (22) are equipped with and match with second piston bar (29)
First holds access slot (224), and the bottom that the end of second piston bar (29) holds access slot (224) in first limits.
10. multiposition adjustment mechanism as described in claim 1, which is characterized in that the adjustment screw (34) is arranged in positioning
The center of nut (36), the quantity of mandril (38) are at least two, and mandril (38) is arranged in positioning screw cap (36) and to adjust spiral shell
Bar (34) is that center line is arranged symmetrically；Adjustment screw (34) is through second piston bar (29), second piston (24) and positions spiral shell
In cap (36).
11. multiposition adjustment mechanism as claimed in claim 10, which is characterized in that the inner wall of second cylinder body (22)
(222) it is equipped with second and holds access slot (226), the bottom that the head of positioning screw cap (36) holds access slot (226) in second limits.
12. multiposition adjustment mechanism as claimed in claim 10, which is characterized in that second perforation (26) and third perforation
(28) it is located at the opposite sides of the second cylinder body (22).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106144645 | 2017-12-19 | ||
| TW106144645A TWI629418B (en) | 2017-12-19 | 2017-12-19 | Multi-position adjustment mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109538812A true CN109538812A (en) | 2019-03-29 |
Family
ID=63640612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811324289.7A Pending CN109538812A (en) | 2017-12-19 | 2018-11-08 | multi-position adjusting mechanism |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109538812A (en) |
| TW (1) | TWI629418B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388349A (en) * | 2019-06-28 | 2019-10-29 | 徐州仁和液压科技有限公司 | A kind of hydraulic cylinder that operational stability is high |
| CN111517013A (en) * | 2020-06-04 | 2020-08-11 | 沈阳吉畅科技有限公司 | Chemical product production process terminal control device based on Internet of things |
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| CN202946474U (en) * | 2012-10-31 | 2013-05-22 | 杭州浙大精益机电技术工程有限公司 | Two-pass air cylinder |
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| GB743603A (en) * | 1954-05-25 | 1956-01-18 | Benton & Stone Ltd | Fluid-operated reciprocatory mechanisms |
| CN2168976Y (en) * | 1993-06-15 | 1994-06-15 | 黄庆荣 | Compress cylinder with adjustable distance of stroke |
| CN2597094Y (en) * | 2002-12-16 | 2004-01-07 | 立伟模具工业有限公司 | Improved structure of pneumatic cylinder for ejecting, opening and closing coating die |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388349A (en) * | 2019-06-28 | 2019-10-29 | 徐州仁和液压科技有限公司 | A kind of hydraulic cylinder that operational stability is high |
| CN111517013A (en) * | 2020-06-04 | 2020-08-11 | 沈阳吉畅科技有限公司 | Chemical product production process terminal control device based on Internet of things |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201928212A (en) | 2019-07-16 |
| TWI629418B (en) | 2018-07-11 |
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Application publication date: 20190329 |