CN100532866C - Bimanual control valve - Google Patents
Bimanual control valve Download PDFInfo
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- CN100532866C CN100532866C CNB2005800228021A CN200580022802A CN100532866C CN 100532866 C CN100532866 C CN 100532866C CN B2005800228021 A CNB2005800228021 A CN B2005800228021A CN 200580022802 A CN200580022802 A CN 200580022802A CN 100532866 C CN100532866 C CN 100532866C
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- 239000012530 fluid Substances 0.000 claims description 19
- 239000011148 porous material Substances 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000007914 intraventricular administration Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 208000011092 Hand injury Diseases 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/001—Double valve requiring the use of both hands simultaneously
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
A bimanual control valve has a valve body (10) which is equipped with an AND valve (20) and a shuttle valve (21) which are connected to main input ports (11a, 11b), a main switching valve (23) connected between the AND valve (20) and a main output port (12), and a tank (30) connected to the output port (21b) of the shuttle valve (21) through a throttle (26). The AND valve (20), shuttle valve (21), and main switching valve (23) have their valve holes drilled from the upper surface of the valve body (10). A plate (33) for closing the ends of those valve holes and a cover (31) forming the tank (30) are airtightly fixed to the upper surface of the valve body. The plate (33) is drilled with communication holes (33a, 33b) required for connecting the tank (30) to main switching valve (23) and the throttle (26).
Description
Technical field
The present invention relates to the Bimanual control valve that when needs make both hands away from the driving fluid pressure drives of deathtrap, uses.
Background technique
In the prior art, Bimanual control valve is as causing the employed products such as occasion of the danger of hand injury accident to be known by the people in existence for the operator of manually-operable fluid press machine because of this fluid pressure actuated machine action.
Promptly, this Bimanual control valve for example need make when air pressure cylinder is started under the situation of both hands away from the deathtrap and use, with the right-hand man almost side by side, specifically at 0.5 second with interior operation separately independently during push buttonvalve, pressure according to the both sides of the input of supplying with through these push buttonvalves, to outlet side output signal pressure, and make hand when a side of push buttonvalve or two sides leave, will interdict signal pressure immediately, be stopped by the driving of air pressure cylinder in the power-actuated fluid pressure actuated machine of this signal pressure etc. to outlet side.
In recent years, require the simplifying the structure of various machines, miniaturization, carry out above-mentioned such Bimanual control valve that moves and also require the simplifying the structure of control valve integral body, miniaturization, and when realizing the miniaturization of this Bimanual control valve, because this control valve accommodates a plurality of valves with various functions in its valve body, so not only must implement miniaturization, also must in valve body, they be placed compactly about these a few valve classes.
Summary of the invention
Technical task of the present invention provides a kind of Bimanual control valve, and it can do overall structure simply to realize miniaturization as far as possible.
Another technical task of the present invention be in valve body, place the Bimanual control valve have a plurality of valves of various functions and to constitute, in the miniaturization of considering these valve classes, make this control valve reach small-sized, compactness by suitably disposing these valve classes.
A technical task more of the present invention provides a kind of Bimanual control valve, and the manufacturing of its valve body, processing can be carried out at an easy rate.
Be used to solve the Bimanual control valve of the present invention of above-mentioned problem, be connected with two primary input mouths of valve body respectively with manual two manual operating valves in the left and right sides, when these two manual operating valves were operated in the regular hour, according to the output of these manual operating valves, from above-mentioned main delivery outlet to fluid pressure actuated machine delivery air pressure; Wherein, be equipped with inside at above-mentioned valve body: by a side who on above-mentioned two primary input mouths, connects a pair of inlet opening respectively be connected between two primary input mouths with the family of power and influence and shuttle valve, the valve inlet opening is connected with the family of power and influence's delivery outlet and main switching valve that the valve delivery outlet is connected with described main delivery outlet with above-mentioned, and the storeroom that is connected with the delivery outlet of above-mentioned shuttle valve via restriction; Capacity to this storeroom is set, store intraventricular pressure and become the time difference of allowing so that make for the operation of above-mentioned two manual operating valves by the time that the pressurized air that flows into via above-mentioned restriction reaches certain setting pressure, simultaneously, pressure in making this storeroom acts on the valve member of main switching valve, utilizes this setting pressure to cut off the valve inlet opening of this main switching valve and the connection of valve delivery outlet; In this Bimanual control valve, on above-mentioned valve body, be fixed for forming the lid of above-mentioned storeroom airtightly, in addition, above this valve body, offer each valve opening above-mentioned and family of power and influence, shuttle valve and main switching valve, simultaneously, with the plate of these valve openings of locking be fixed on airtightly this valve body above, the intercommunicating pore on the first pressure-bearing end face that has worn the valve member that is used for above-mentioned storeroom internal pressure is directed to main switching valve on this plate, and the intercommunicating pore that the stream from shuttle valve is communicated with via restriction with storeroom.
In desirable mode of execution of the present invention, above-mentioned main switching valve is made guiding valve, in its valve opening, offer: the valve inlet opening, it is supplied with from the described and pressurized air family of power and influence; The valve delivery outlet, it exports pressurized air from this switching valve to above-mentioned main delivery outlet; And balance pressure with mouthful, it acts on the second pressure-bearing end face with the opposite side of the above-mentioned first pressure-bearing end face of valve member the compressed air pressure of this valve delivery outlet; In the valve member of the slide valve type of in this valve opening, sliding, be provided with the back-up ring that the stream that links above-mentioned valve inlet opening and valve delivery outlet is opened and closed, the second pressure-bearing end face of the valve member in above-mentioned valve opening is sidelong and is put Returnning spring, when the pressure in storeroom does not reach above-mentioned setting value, above-mentioned Returnning spring makes valve member to the storeroom side shifting, this valve member remains on the switching position that makes valve inlet opening and the connection of valve delivery outlet thus, and surpass above-mentioned setting pressure at above-mentioned storeroom internal pressure savings, when pressure acts on the first pressure-bearing end face of valve member, overcome the elastic force ground push valve parts of above-mentioned Returnning spring, this valve member remains on the switching position with the blocking of the stream of connecting valve inlet opening and valve delivery outlet.
At this moment, the valve seat path length of wishing the valve seat path length of side face of pressure-bearing end face at two ends of the valve member in the main switching valve of above-mentioned slide valve type and back-up ring is made identical in fact, makes the pressure balance that acts on the axial direction on this valve member.
In another desirable mode of execution of the present invention, the inclined to one side of a side of the valve body of rectangular shape leans on the position of half one being roughly, be set up in parallel above-mentioned two primary input mouths up and down, simultaneously, leaning on partially on the position of second half one of this side, be set up in parallel above-mentioned main delivery outlet and the relief opening that ejects from the air pressure of this main delivery outlet up and down, at the configuration of the behind of above-mentioned primary input mouth above-mentioned and the family of power and influence and shuttle valve, they are communicated with the stream that is communicated in above-mentioned primary input mouth, above-mentioned main switching valve is configured, so that its behind at above-mentioned main delivery outlet and above-mentioned relief opening is located side by side with the family of power and influence together.
In another desirable mode of execution of the present invention, the exhaust flow path of the rapid escape valve of the valve delivery outlet that makes above-mentioned main switching valve by having checking function is communicated with main delivery outlet, exhaust valve part in the above-mentioned rapid escape valve is formed by rubber elastic material, around this exhaust valve part, be provided with checking function portion, simultaneously, on two end faces of this exhaust valve part, be provided with respect to delivery valve seat that is communicated with above-mentioned relief opening and the outlet valve seated connection that is communicated with the valve delivery outlet of above-mentioned main switching valve and touch the seat portion of disengaging, when the valve delivery outlet of above-mentioned main switching valve has delivery pressure, exhaust valve part is crimped on the delivery valve seat side, one of them this delivery valve seat of seat portion locking, the output of above-mentioned valve delivery outlet is flowed out by above-mentioned checking function portion, exports to main delivery outlet by exhaust flow path; When above-mentioned valve delivery outlet did not have delivery pressure, exhaust valve part was crimped on outlet valve seat side, and above-mentioned delivery valve seat is open, and the pressurized air of main delivery outlet is discharged from relief opening fast by above-mentioned exhaust flow path.
Description of drawings
Fig. 1 is the mount structure figure of the fundamental circuit when Bimanual control valve of the present invention is used for the driving of fluid pressure actuated machine;
Fig. 2 is the embodiment's of an expression Bimanual control valve of the present invention front elevation;
Fig. 3 is the sectional drawing along the III-III line of Fig. 2;
Fig. 4 is the sectional drawing along the IV-IV line of Fig. 2;
Fig. 5 is the sectional drawing along the V-V line of Fig. 3;
Fig. 6 is the sectional drawing along the VI-VI line of Fig. 3;
Fig. 7 is that the model utility of the main switching valve of the slide valve type in the valve body amplifies sectional arrangement drawing;
Fig. 8 is the sectional drawing along the VIII-VIII line of Fig. 2.
The explanation of width of cloth figure mark
1 Bimanual control valve
2a, 2b manual operating valve
3 air pressure source
5 fluid pressure actuated machines
6 air pressure cylinder
7a, 7b speed regulator
8 switching valves
9 pressure feed sources
10 valve bodies
11a, 11b primary input mouth
12 main delivery outlets
13 relief openings
14 ventilating holes
15 pipe joints
20 and the family of power and influence
The 20a inlet opening
The 20b delivery outlet
21 shuttle valves (or family of power and influence)
The 21a inlet opening
The 21b delivery outlet
23 main switching valves
23a valve inlet opening
23b valve delivery outlet
23c residual pressure exhaust port
23d balance pressure mouth
25 flow control elements
26 restriction
27 check valves
30 storerooms
31 lids
33 plates
33a, 33b intercommunicating pore
Valve member
35a, 35b pressure-bearing end face
36 valve openings
37a, 37b back-up ring
38 Returnning springs
40 rapid escape valves
41 exhaust valve parts
41a checking function portion
41b, 41c seat portion
42 exhaust flow paths
43 delivery valve seats
44 outlet valve seats
Embodiment
Below, describe embodiments of the invention with reference to the accompanying drawings in detail.
The structure of the fundamental circuit when Fig. 1 represents that Bimanual control valve of the present invention is used for the driving of fluid pressure actuated machine.In this fundamental circuit, has Bimanual control valve 1 of the present invention, simultaneously, with the right-hand man separately two manual operating valves of separate operation (three mouthfuls push buttonvalve specifically) 2a, 2b connect thereon, and then have the fluid pressure actuated machine 5 that moves according to the output of above-mentioned Bimanual control valve 1.Above-mentioned manual operating valve 2a, 2b will give Bimanual control valve 1 from the compressed air delivery of air pressure source 3 by the pressing operation of the button of its head, discharge to the outside by unclamping this button, make the pressurized air that flows to this control valve 1.
As above-mentioned fluid pressure actuated machine 5, show the air pressure cylinder 6 that drives various machines, a pair of speed regulator 7a, the 7b that control its reciprocating actuating speed, control the pressure-actuated switching valve 8 of driven air of above-mentioned air pressure cylinder 6 and carry compressed-air actuated pressure feed source 9 to air pressure cylinder 6 by this switching valve 8 according to the output of above-mentioned Bimanual control valve 1 at this.This switching valve 8 is made for five mouthfuls of valves, the delivery pressure of its Bimanual control valve 1 is as the master control hydrodynamic pressure, direction to dangerous property during it is supplied with drives air pressure cylinder 6, makes air pressure cylinder 6 be returned to secure side when the delivery pressure of this control valve 1 descends; But be not limited to such structure, also can adopt driving fluid pressure drives 5 suitably, after the delivery pressure of control valve 1 descends, make machine stop at the various mechanisms of secure side immediately.
Above-mentioned Bimanual control valve 1 has two primary input mouth 11a, the 11b of the manual operating valve 2a, the 2b that are used for connecting respectively above-mentioned two three mouthfuls as shown in Figure 1 on its valve body 10.These primary input mouths 11a, 11b, by Fig. 2 and Fig. 3 as can be known, be configured in side by side up and down a side being the valve body 10 of cuboid roughly partially by on the position of half one, be separately installed with pipe joint 15.
And, the inclined to one side of side that is provided with above-mentioned primary input mouth 11a, 11b in above-mentioned valve body 10 leans on the position of second half one, by Fig. 2 and Fig. 4 as can be known, be set up in parallel up and down oriented fluid pressure actuated machine 5 switching valve 8 output signal pressure (air pressure) main delivery outlet 12 and discharge the relief opening 13 of the air pressure be sent to this switching valve 8, in addition, also offer the ventilating hole 14 that is communicated with the residual pressure exhaust port 23c of main switching valve 23 described later.
When almost the while is to two primary input mouth 11a, 11b supply pressurized air by two manual operating valve 2a, 2b, the air pressure that above-mentioned main delivery outlet 12 is exported as the master control hydrodynamic pressure to the switching valve 8 of fluid pressure actuated machine 5, from two manual operating valve 2a, 2b at least one not to the primary input confession give pressurized air, just form two primary input mouth 11a, when 11b supplies with compressed-air actuated state not together, above-mentioned relief opening 13 is discharged the air pressure that is fed into switching valve 8.
Further specify the structure of above-mentioned Bimanual control valve 1 self.At first, as Fig. 1 and shown in Figure 3, in above-mentioned valve body 10, with a flow path that above-mentioned two primary input mouth 11a, 11b are communicated with on, by connecting respectively and the family of power and influence (AND valve) 20 a pair of inlet opening 20a, the 20a and a pair of inlet opening 21a, the 21a of shuttle valve (or family of power and influence (OR valve)) 21, thereby these and the family of power and influence 20 and shuttle valve 21 are connected between above-mentioned two primary input mouth 11a, the 11b side by side.Above-mentioned and the family of power and influence 20 is only being exported these pressurized air by delivery outlet 20b (Fig. 1 and Fig. 5) when a pair of inlet opening 20a both sides import pressurized air as " with output "; On the other hand, above-mentioned shuttle valve 21, is being exported the pressurized air of its input by delivery outlet 21b (Fig. 1 and Fig. 6) during pressurized air at least one input of a pair of inlet opening 21a as " or output ".
Above-mentioned and the family of power and influence 20 and shuttle valve 21 with above-mentioned manual operating valve 2a, the primary input mouth 11a that 2b is connected of a side of valve body 10, the behind of 11b, to the orientation of this primary input mouth 11a, 11b, promptly above-below direction makes them be communicated with the stream that leads to above-mentioned primary input mouth 11a, 11b with state configuration arranged side by side axis separately among the figure.More particularly, position, behind at above-mentioned primary input mouth 11a, 11b wears valve opening above valve body 10, in these valve openings, place valve system with the family of power and influence 20 and shuttle valve 21, as this with the family of power and influence 20 and shuttle valve 21 in each inlet opening 20a, 21a and being connected of above-mentioned primary input mouth 11a, 11b, be to be undertaken by the hole that wears in the inside of this primary input mouth 11a, 11b is communicated with above-mentioned valve opening with the family of power and influence 20 and shuttle valve 21.
And, delivery outlet 20b such as Fig. 1 and shown in Figure 5 of above-mentioned and the family of power and influence 20, be connected with the valve inlet opening 23a of main switching valve 23, on the other hand, the delivery outlet 21b of above-mentioned shuttle valve 21 such as Fig. 1 and shown in Figure 6 are by the flow control element 25 of connection restriction 26 arranged side by side and check valve 27 and be connected in the storeroom 30 on the valve body 10.
The capacity of this storeroom 30 is set for, and flowing into time that wherein the interior pressure that pressurized air produced reaches certain pressure via above-mentioned flow control element 25 becomes the time difference of being allowed when using bimanualness two manual operating valve 2a, 2b.Pressure such as Fig. 1, Fig. 4 and shown in Figure 5 in this storeroom 30, for the valve member (guiding valve) 35 in the main switching valve 23 that drives slide valve type, and to the first pressure-bearing end face 35a effect of this valve member 35.
By Fig. 4, Fig. 5 and Fig. 7 as can be known, main switching valve 23 as above-mentioned slide valve type, by constituting with the above-mentioned valve member 35 that above valve body 10, wears valve opening 36 with the family of power and influence 20 with being set up in parallel, this valve opening 36, inserts slide valve type at above-mentioned main delivery outlet 12 and in the behind of above-mentioned relief opening 13, the internal pressure of the top storeroom 30 of valve body 10 is acted on the pressure-bearing end face 35a of end of this valve member 35, to be used for the driving of valve member 35.Because the valve opening 36 of the main switching valve 23 of this slide valve type is opened in above-mentioned position, thus can make as shown in Figure 5 with the valve inlet opening 23a of the family of power and influence 20 delivery outlet 20b and this main switching valve 23 at an easy rate straight line be communicated with.
Above-mentioned storeroom 30 by Fig. 3～Fig. 6 as can be known, portion forms within it by cover loam cake 31 on valve body 10.And, owing on the valve body of facing with this storeroom 30 10, offer various valve openings as seen from the figure like that, so, in order to form above-mentioned storeroom 30, will be used for except that a part plate 33 of these valve opening lockings placed airtightly and be fixed on this valve body 10 above.And, pressure-bearing end face 35a for the valve member 35 in the main switching valve 23 that the pressure in the above-mentioned storeroom 30 is led, on the position corresponding, offer intercommunicating pore 33a with above-mentioned valve opening 36, in addition, for the stream from described shuttle valve 21 is communicated with storeroom 30 via the flow control element 25 that comprises restriction 26 and check valve 27, be equipped with intercommunicating pore 33b in the position corresponding with this restriction 26 and check valve 27.
The main switching valve 23 of above-mentioned slide valve type as among Fig. 7 legibly shown in like that, in its valve opening 36, offer: valve inlet opening 23a (also with reference to Fig. 5), it is supplied with from described and the pressurized air family of power and influence 20; Valve delivery outlet 23b (also with reference to Fig. 4), its from this switching valve 23 via the main delivery outlet 12 of valve body 10 switching valve 8 delivery air pressure to fluid pressure actuated machine 5; Residual pressure exhaust port 23c (with reference to Fig. 1 and Fig. 8), it is used to discharge the residual pressure that remains in valve delivery outlet 23b one side when the stream of closing from valve inlet opening 23a to valve delivery outlet 23b; And balance pressure is with a mouthful 23d, and it is used for compressed air pressure with above-mentioned valve delivery outlet 23b and acts on the second pressure-bearing end face 35b with the opposite side of above-mentioned pressure-bearing end face 35a of valve member 35.In addition, be provided with in the valve member (guiding valve) 35 that in this valve opening 36, slides: the back-up ring 37a of sealed member system, its stream to connecting valve inlet opening 23a and valve delivery outlet 23b opens and closes; And the back-up ring 37b of sealed member system, it makes this valve delivery outlet 23b be communicated with residual pressure exhaust port 23c with the stream between above-mentioned back-up ring 37a cut-off valve inlet opening 23a and the valve delivery outlet 23b time.
In addition, the pressure-bearing end face 35b of the valve member 35 in above-mentioned valve opening 36 is sidelong and puts Returnning spring 38, makes its elastic force act on valve member 35.The elastic force of this Returnning spring 38 has following size: not by above-mentioned restriction 26 in storeroom 30 during using charged air pressure or its pressure when not reaching certain setting pressure, make valve member 35 keep becoming the state that moves to storeroom 30 sides, thus, maintaining valve parts 35 on the switching position of the Fig. 7 between connecting valve inlet opening 23a and the valve delivery outlet 23b; And accumulate when surpassing on certain setting pressure, the pressure-bearing end face 35a that it acts on valve member 35 in above-mentioned storeroom 30 internal pressures, overcome the elastic force of above-mentioned Returnning spring and push valve parts 35, on by the position between back-up ring 37a intercepter valve (IV) inlet opening 23a and the valve delivery outlet 23b, keep this valve member 35.In addition, when balance pressure imports the delivery pressure of valve delivery outlet 23b with mouthful 23d, valve member 35 remains on the position of Fig. 7 certainly.
As shown in Figure 4, the exhaust flow path 42 of the rapid escape valve 40 of the valve delivery outlet 23b of above-mentioned main switching valve 23 by having checking function and being communicated with main delivery outlet 12, in addition, when not having delivery pressure in above-mentioned valve delivery outlet 23b, main delivery outlet 12 is communicated with relief opening 13 by above-mentioned exhaust flow path 42.
If be described more specifically, exhaust valve part 41 in this rapid escape valve 40 is formed by the rubber elasticity parts, the 41a of checking function portion that has the fin shape around, simultaneously, have seat portion 41b, 41c on the two sides, these seat portion 41b, 41c are with respect to the delivery valve seat 43 that is positioned at above-mentioned relief opening 13 inboards and be positioned at the valve delivery outlet 23b outside of above-mentioned main switching valve 23 and contact disengaging with above-mentioned delivery valve seat 43 outlet valve seat 44 in opposite directions.
Thereby, when in the valve delivery outlet 23b of above-mentioned main switching valve 23, delivery pressure being arranged, thus, exhaust valve part 41 is crimped on delivery valve seat 43 sides, this valve seat 43 of this seat portion 41b locking, and the 41a of checking function portion, the outflow thus around the exhaust valve part 41 pushed in the output of above-mentioned valve delivery outlet 23b, exports main delivery outlet 12 to by exhaust flow path 42.In addition, in above-mentioned valve delivery outlet 23b, do not have delivery pressure, when there is pressurized air in main delivery outlet 12 sides, exhaust valve part 41 is crimped on outlet valve seat 44 sides because of this pressure, in open above-mentioned delivery valve seat 43, seat portion 41c locking with this exhaust valve part 41 should export valve seat 44, as a result, the pressurized air of main delivery outlet 12 is discharged from relief opening 13 fast by above-mentioned exhaust flow path 42.
This Bimanual control valve 1, in order to make hand when at least one side's manual operating valve leaves, make fluid drives machine 5 stop or forming safe condition immediately the operator, need to discharge fast pressurized air from main delivery outlet 12 outputs, and owing to by above-mentioned position relation relief opening 13 is set, so can make its big footpathization, and should valve body 10 be maximized big footpathization.
Secondly, the action to Bimanual control valve 1 with said structure describes.
In above-mentioned Bimanual control valve 1,, then enter into inlet opening 20a, 21a with the family of power and influence 20 and shuttle valve 21 from the primary input mouth 11a of valve body 10 or 11b from the pressurized air of air pressure source 3 as long as push the manual operating valve 2a or the 2b of the side of Fig. 1.When manual operating valve 2a that only pushes a side or 2b, though not with the family of power and influence 20 output, from the delivery outlet 21b of shuttle valve 21 output is arranged, it flows into storerooms 30 via restriction 26, savings is there.Adjust the bore of above-mentioned restriction 26 and the capacity of storeroom 30, make to be pressed in setting pressure on the pressure-bearing end face 35a in the valve member 35 that becomes the main switching valve 23 that acts on slide valve type about 0.5 second in this storeroom.
Before the interior pressure of above-mentioned storeroom 30 reaches setting pressure, if push another manual operating valve 2b or 2a, then because pressurized air flows into and two inlet opening 20a of the family of power and influence 20, so on this and the family of power and influence's 20 delivery outlet 20b, produce output, it arrives the valve inlet opening 23a of main switching valve 23, and in this moment because the interior pressure of above-mentioned storeroom 30 does not reach setting pressure, so main switching valve 23 is in Fig. 1 and switching position shown in Figure 7, promptly be in the switching state that the valve inlet opening 23a of this switching valve 23 is communicated with valve delivery outlet 23b, therefore, the pressurized air that outputs to above-mentioned valve delivery outlet 23b is pushed the 41a of checking function portion around the exhaust valve part 41 of rapid escape valve 40 open and is flowed out, output to main delivery outlet 12 by exhaust flow path 42, it is sent to fluid pressure actuated machine 5.
Be accumulated in the storeroom 30 via restriction 26 from the output of shuttle valve 21, even it reaches setting pressure, because when pressurized air during from the valve inlet opening 23a of main switching valve 23 arrival valve delivery outlet 23b, it flows into balance pressure and acts on the pressure-bearing end face 35b of valve member 35 with mouthful 23d, so valve member 35 can not switch because of the pressure in the above-mentioned storeroom 30.
When above-mentioned another manual operating valve reaches setting pressure in the interior pressure that is not pressed against above-mentioned storeroom 30, because the interior pressure of this storeroom 30 acts on the pressure-bearing end face 35a on the valve member 35 of main switching valve 23, its active force overcomes the elastic force of the Returnning spring 38 of these valve member 35 the other ends, this valve member 35 is switched, become the state of the connection of the valve inlet opening 23a that interdicted this switching valve 23 and valve delivery outlet 23b, even so pushed manual operating valve afterwards, pressurized air can be by this main switching valve 23 to 5 outputs of fluid pressure actuated machine yet.
In addition, by pushing above-mentioned manual operating valve 2a, both come 2b to supply with under the compressed-air actuated state to fluid pressure actuated machine 5, when the manual operating valve that makes hand from least one side leaves and makes its when liberation, since not from the family of power and influence 20 output, so, the pressure that acts on via the balance pressure mouth 23d in the main switching valve 23 of slide valve type on the pressure-bearing end face 35b of valve member 35 descends, and, since this time be engraved in and accumulated enough pressure in the storeroom 30, so can switch the valve member 35 of main switching valve 23, interdict valve inlet opening 23a in this switching valve 23 and the connection between the valve delivery outlet 23b.
When making hand from above-mentioned manual operating valve 2a, when 2b both sides leave, pressurized air from air pressure source 3 is interdicted in these valves, on the other hand, the pressurized air that is accumulated in the storeroom 30 is discharged from from any manual operating valve 2a, 2b via check valve 27 and shuttle valve 21.
Claims (5)
1, a kind of Bimanual control valve (1), wherein, be connected with two primary input mouths (11a, 11b) of valve body (10) respectively with manual two manual operating valves in the left and right sides (2a, 2b), at these two manual operating valves (2a, 2b) when in the regular hour, being operated, according to the output of these manual operating valves (2a, 2b) from the main delivery outlet (12) of described valve body (10) to fluid pressure actuated machine (5) delivery air pressure, it is characterized in that
Be equipped with and the family of power and influence (20) and shuttle valve (21), main switching valve (23) and storeroom (30) in the inside of described valve body (10),
Above-mentioned and the family of power and influence (20) and shuttle valve (21) be by being connected between two primary input mouths (11a, 11b) a side who is connected a pair of inlet opening (20a, 20a/21a, 21a) on described two primary input mouths (11a, 11b) respectively,
The valve inlet opening (23a) of above-mentioned main switching valve (23) is connected with the delivery outlet (20b) of the family of power and influence (20) with described, and the valve delivery outlet (23b) of above-mentioned main switching valve (23) is connected with described main delivery outlet (12),
Above-mentioned storeroom (30) is connected with the delivery outlet (21b) of described shuttle valve (21) via restriction (26);
Set the capacity of this storeroom (30), store intraventricular pressure and become the time difference of allowing so that make for the operation of described two manual operating valves (2a, 2b) by the time that the pressurized air that flows into through described restriction (26) reaches till certain setting pressure, simultaneously, make the interior pressure of this storeroom (30) act on the valve member (35) of main switching valve (23), cut off the valve inlet opening (23a) of this main switching valve (23) and being communicated with of valve delivery outlet (23b) according to this setting pressure;
Wherein, on described valve body (10), be fixed for forming the lid (31) of described storeroom (30) airtightly, in addition, be provided with the described and family of power and influence (20) who wears from the upper surface of this valve body (10) in the inside of this valve body (10), each valve opening (36) of shuttle valve (21) and main switching valve (23), simultaneously, with the plate (33) of these valve openings of locking (36) be fixed on airtightly this valve body (10) above, the intercommunicating pore (33a) on the first pressure-bearing end face (35a) that is equipped with the valve member (35) that is used for described storeroom (30) internal pressure is directed to main switching valve (23) on this plate (33), and the intercommunicating pore (33b) that the stream from shuttle valve (21) is communicated with via restriction (26) with described storeroom (30).
2, Bimanual control valve as claimed in claim 1 is characterized in that, described main switching valve (23) is a guiding valve;
In the valve opening (36) of this main switching valve (23), offer: supply with from described and compressed-air actuated described valve inlet opening (23a) family of power and influence (20), to described main delivery outlet (12) output compressed-air actuated described valve delivery outlet (23b), and make the compressed air pressure of this valve delivery outlet (23b) act on balance pressure on the second pressure-bearing end face (35b) with the opposite side of the described first pressure-bearing end face (35a) of valve member (35) with mouth (23d) from this switching valve;
In the valve member (35) of the slide valve type of in the valve opening (36) of this main switching valve (23), sliding, be provided with the back-up ring (37a) that the stream that links described valve inlet opening (23a) and valve delivery outlet (23b) is opened and closed;
Second pressure-bearing end face (35b) side of the valve member (35) in described valve opening (36) has been taken in Returnning spring (38), when the pressure in storeroom (30) does not reach described setting value, described Returnning spring (38) makes valve member (35) to storeroom (30) side shifting, this valve member (35) is maintained at and makes on valve inlet opening (23a) and the switching position that valve delivery outlet (23b) is communicated with thus, and surpass described setting pressure at described storeroom (30) internal pressure savings, when the first pressure-bearing end face (35a) that pressure acts on valve member (35) is gone up, overcome the elastic force ground push valve parts (35) of described Returnning spring (38), this valve member (35) is maintained on the switching position with the stream blocking of connecting valve inlet opening (23a) and valve delivery outlet (23b).
3, Bimanual control valve as claimed in claim 2, it is characterized in that, it is identical that the valve seat path length of the side face of the pressure-bearing end face (35a, 35b) at the two ends of the valve member (35) in the main switching valve (23) of described slide valve type and the valve seat path length of back-up ring (37a) are made, and makes the pressure balance that acts on the axial direction on this valve member (35).
4, Bimanual control valve as claimed in claim 1 or 2, it is characterized in that, the position of leaning on half one partially in a side that is the valve body of rectangular shape (10), be set up in parallel described two primary input mouths (11a, 11b) up and down, simultaneously, this side partially by the position of second half one, be set up in parallel described main delivery outlet (12) up and down and eject relief opening (13) from the air pressure of this main delivery outlet (12);
Dispose described and the family of power and influence (20) and shuttle valve (21) in the behind of described primary input mouth (11a, 11b), they are communicated with the stream that is communicated in described primary input mouth (11a, 11b);
Described main switching valve (23) is adapted in the behind of described main delivery outlet (12) and described relief opening (13) and locatees side by side with the family of power and influence (20) together.
5, Bimanual control valve as claimed in claim 4 is characterized in that, the exhaust flow path of the rapid escape valve (40) of the valve delivery outlet (23b) that makes described main switching valve (23) by having checking function and being communicated with main delivery outlet (12);
Exhaust valve part (41) in the described rapid escape valve (40) is formed by the rubber elasticity parts, around this exhaust valve part (41), be provided with checking function portion (41a), simultaneously, on two end faces of this exhaust valve part (41), be provided with respect to delivery valve seat (43) that is communicated with described relief opening (13) and the seat portion (41b, 41c) that contacts or break away from outlet valve seat (44) that the valve delivery outlet (23b) of described main switching valve (23) is communicated with;
At the valve delivery outlet (23b) of described main switching valve (23) when having delivery pressure, exhaust valve part (41) is crimped on delivery valve seat (43) side, one of them seat portion (41b) this delivery valve seat of locking (43), the output of described valve delivery outlet (23b) is flowed out by described checking function portion (41a), export to main delivery outlet (12) by exhaust flow path (42)
At described valve delivery outlet (23b) when not having delivery pressure, exhaust valve part (41) is crimped on outlet valve seat (44) side, described delivery valve seat (43) is open, and the pressurized air of main delivery outlet (12) is discharged from relief opening (13) fast by described exhaust flow path (42).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP199545/2004 | 2004-07-06 | ||
| JP2004199545A JP4264951B2 (en) | 2004-07-06 | 2004-07-06 | Control valve for two-hand operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1981136A CN1981136A (en) | 2007-06-13 |
| CN100532866C true CN100532866C (en) | 2009-08-26 |
Family
ID=35782880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800228021A Active CN100532866C (en) | 2004-07-06 | 2005-07-04 | Bimanual control valve |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4264951B2 (en) |
| CN (1) | CN100532866C (en) |
| DE (1) | DE112005001643B4 (en) |
| WO (1) | WO2006004079A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5253560B2 (en) * | 2011-12-07 | 2013-07-31 | 京セラ株式会社 | Mobile phone |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2974637A (en) * | 1957-12-30 | 1961-03-14 | Western Electric Co | Pneumatic two-hand control for power machinery |
| US3552266A (en) * | 1968-06-17 | 1971-01-05 | Walter Tanenblatt | Fluid pressure control system |
| US4706548A (en) * | 1985-08-20 | 1987-11-17 | Herion Werke Kg | Two-hand safety control mechanism |
| US5113907A (en) * | 1991-01-29 | 1992-05-19 | Ross Operating Valve Company | Dynamic self-monitoring air operating system |
| CN1266952A (en) * | 1999-03-10 | 2000-09-20 | Smc株式会社 | Pressure/flow controlling valve |
| US6155293A (en) * | 1996-12-16 | 2000-12-05 | Ross Operating Valve Company | Double valve with anti-tiedown capability |
| CN1293310A (en) * | 1999-10-18 | 2001-05-02 | Smc株式会社 | Pressure regulating mechanism |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5211213Y2 (en) * | 1971-09-09 | 1977-03-11 | ||
| JPS5223667Y2 (en) * | 1972-12-19 | 1977-05-30 | ||
| FR2466700B1 (en) * | 1979-10-05 | 1985-10-04 | Crouzet Sa | PNEUMATIC CONTROL BLOCK FOR TWO-MANUAL SECURITY |
| JPS57103909A (en) * | 1980-12-22 | 1982-06-28 | Honda Motor Co Ltd | Safe operation circuit in work machine using air pressure |
| JPS57103908A (en) * | 1980-12-22 | 1982-06-28 | Honda Motor Co Ltd | Safe operation circuit in work machine using air pressure |
-
2004
- 2004-07-06 JP JP2004199545A patent/JP4264951B2/en not_active Expired - Lifetime
-
2005
- 2005-07-04 DE DE112005001643T patent/DE112005001643B4/en active Active
- 2005-07-04 WO PCT/JP2005/012302 patent/WO2006004079A1/en not_active Application Discontinuation
- 2005-07-04 CN CNB2005800228021A patent/CN100532866C/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2974637A (en) * | 1957-12-30 | 1961-03-14 | Western Electric Co | Pneumatic two-hand control for power machinery |
| US3552266A (en) * | 1968-06-17 | 1971-01-05 | Walter Tanenblatt | Fluid pressure control system |
| US4706548A (en) * | 1985-08-20 | 1987-11-17 | Herion Werke Kg | Two-hand safety control mechanism |
| US5113907A (en) * | 1991-01-29 | 1992-05-19 | Ross Operating Valve Company | Dynamic self-monitoring air operating system |
| US6155293A (en) * | 1996-12-16 | 2000-12-05 | Ross Operating Valve Company | Double valve with anti-tiedown capability |
| CN1266952A (en) * | 1999-03-10 | 2000-09-20 | Smc株式会社 | Pressure/flow controlling valve |
| CN1293310A (en) * | 1999-10-18 | 2001-05-02 | Smc株式会社 | Pressure regulating mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006022852A (en) | 2006-01-26 |
| DE112005001643T5 (en) | 2007-05-31 |
| DE112005001643B4 (en) | 2012-07-19 |
| WO2006004079A1 (en) | 2006-01-12 |
| JP4264951B2 (en) | 2009-05-20 |
| CN1981136A (en) | 2007-06-13 |
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