CN102392903A - Gas travel switch valve - Google Patents
Gas travel switch valve Download PDFInfo
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- CN102392903A CN102392903A CN2011103001835A CN201110300183A CN102392903A CN 102392903 A CN102392903 A CN 102392903A CN 2011103001835 A CN2011103001835 A CN 2011103001835A CN 201110300183 A CN201110300183 A CN 201110300183A CN 102392903 A CN102392903 A CN 102392903A
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- valve body
- main valve
- nozzle
- bearing
- nut
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Abstract
The invention discloses a gas travel switch valve, which comprises a master valve body, a link mechanism, a touch head mechanism, a nozzle mechanism, a valve base mechanism and an emergency opening mechanism, wherein a gas cavity is arranged in the master valve body, and the master valve body is further provided with a gas inlet and a gas outlet communicated with the inner gas cavity; the touch head mechanism is arranged at the gas outlet end of the master valve body, the valve base mechanism is arranged at the gas inlet end of the master valve body, and the nozzle mechanism is arranged in the gas cavity in the master valve body to communicate the gas inlet and the gas outlet on the master valve body; one end of the nozzle mechanism is in cooperation with the touch head mechanism, and the other end of the nozzle mechanism is in cooperation with the valve base mechanism; the link mechanism is arranged at the gas outlet end of the master valve body and is in cooperation with the touch head mechanism; and the emergency opening mechanism is arranged at the gas inlet end of the master valve body and is in cooperation with the valve base mechanism. The gas travel switch valve has the characteristics of larger inlet and outlet (1/2' inlet and outlet), large use flow, as well as compact structure, and the switch is easy to control, and the valve has the characteristic of the emergency opening mechanism.
Description
Technical field
The present invention relates to a kind of position limit switch valve, relate in particular to a kind of gas travel switch valve.
Background technique
The position limit switch valve is that a kind of collision that utilizes the manufacturing machine moving element is moved its contact to realize connecting or cut off the control gas circuit, reaches certain control purpose.
The gas travel switch valve is imported and exported 1/4 by structural limitations mostly in the market " or 1/4 " below, use traffic is too little, and does not have emergency opening mechanism.
Summary of the invention
The present invention is directed to the existing existing problem of position limit switch valve, and provide that a kind of import and export big (1/2 " import and export), use traffic are big, compact structure, switch control easily, use the position limit switch valve with the gas of emergency opening mechanism.
In order to achieve the above object, the present invention adopts following technological scheme:
A kind of gas travel switch valve; Said switch valve comprises main valve body, linkage mechanism, shake-up head mechanism, nozzle mechanism, valve seat mechanism, emergency opening mechanism; Be provided with an air cavity in the said main valve body, also be provided with suction port and air outlet on the main valve body with inner air cavity conducting; Said shake-up head mechanism is arranged on the outlet side of main valve body; Said valve seat mechanism is arranged on the inlet end of main valve body, and said nozzle mechanism is arranged in the air cavity in the main valve body, suction port on the main valve body of conducting and air outlet; One end of nozzle mechanism matches with the shake-up head mechanism; The other end matches with valve seat mechanism, and said linkage mechanism is arranged on the outlet side of main valve body, matches with said shake-up head mechanism; Said emergency opening mechanism is arranged on the inlet end of main valve body, and matches with valve seat mechanism.
In preferred embodiment of the present invention; Said linkage mechanism comprises bearing, driving-rod, roller, and said bearing is fixed on the end face of outlet side of main valve body, said movable joining of driving-rod one end bearing; And can rotate around the phase contact, the said roller and the said driving-rod the other end join.
Preferably; Said shake-up head mechanism comprises locknut and piston, and said locknut is located on the outlet side of main valve body, and said piston is placed in the locknut; The one of which end passes locknut and stretches out main valve body and match with linkage mechanism, and the other end stretches in the inner chamber of main valve body and matches with nozzle mechanism.
Further, be provided with an O RunddichtringO between said locknut and the main valve body, be provided with the 2nd O RunddichtringO between said piston and the locknut.
Preferably; Said nozzle mechanism comprises the nozzle and first Returnning spring; Said first Returnning spring is placed on the said nozzle, and said nozzle movably is placed in the inner chamber of main valve body, and said nozzle matches with first Returnning spring in main valve body, to come and go vertically and moves.
Further, be provided with the 3rd O RunddichtringO between said nozzle and the main valve body.
Preferably; Said valve seat mechanism comprises valve block, screw, bearing nut and bearing handle, and on the top of bearing handle, said valve block matches with said nozzle mechanism said valve block through screw and bearing fixed by nut; Said bearing handle is placed in the said emergency opening mechanism; Said emergency opening mechanism comprises nut, second Returnning spring, draw ring, position-limitting pin, and said nut is arranged on the inlet end of main valve body, and said bearing handle movably is located in the said nut; And make the bottom stretch out main valve body through nut; Said second Returnning spring is placed between nut and the bearing handle, and said draw ring is placed in the bearing handle and stretches out on the bottom of main valve body, and said position-limitting pin is placed in the bearing handle and stretches out on the bottom of main valve body.
Further, be provided with the 4th O RunddichtringO between said bearing handle and the nut.
Further, be provided with the 5th O RunddichtringO between said nut and the main valve body.
The present invention who obtains according to such scheme compared with prior art has following characteristics:
(1) on the structure: nozzle mechanism, valve seat mechanism are positioned in the middle of the main valve body; Touch head mechanism and be contained in the main valve body both sides respectively through the sealing of O type circle with emergency opening mechanism, the linkage mechanism bottom is provided with a hole and fully gets out of the way emergency opening mechanism and pass through screw and be connected with main valve body;
(2) on the performance: compact structure, import and export big (1/2 " import and export), volume little in light weight, switch is controlled easily, use traffic is big and good seal performance is difficult for producing and leaks and damage.
(3) in the Security: the band emergency opening mechanism improves the Safety performance of gas with the position limit switch valve greatly.
Description of drawings
Further specify the present invention below in conjunction with accompanying drawing and embodiment.
Fig. 1 is a structured flowchart of the present invention.
Fig. 2 a is the side view of linkage mechanism among the present invention.
Fig. 2 b is the plan view of linkage mechanism among the present invention.
Fig. 3 is for touching the structural representation of head mechanism and nozzle mechanism among the present invention.
Fig. 4 is the structural representation of valve seat mechanism among the present invention and emergency opening mechanism.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.
Referring to Fig. 1, gas travel switch valve provided by the invention, whole position limit switch valve comprise main valve body 6, linkage mechanism 1, touch head mechanism 2, nozzle mechanism 3, valve seat mechanism 4, emergency opening mechanism 5.
Wherein main valve body 6 is the column structure of whole switch valve, offers an air cavity 63 in it, and the side of valve body 6 one ends has the air outlet 61 with inner air cavity conducting, and the side of the other end has the suction port 62 with inner air cavity conducting.
Linkage mechanism 1 is whole position limit switch and the contacted parts of exterior mechanical moving element, for the work of position limit switch provides power.Linkage mechanism 1 is arranged on the end face of outlet side of main valve body 6.
Emergency opening mechanism 5 is arranged on the inlet end of main valve body, and it is used for control valve seat mechanism 4 in case of emergency makes air outlet and suction port on the main valve body 6 keep conducting.
Based on above-mentioned principle, practical implementation of the present invention is following:
Referring to Fig. 2 a and Fig. 2 b, linkage mechanism 1 mainly comprises bearing 11, straight pin 12, driving-rod 13, roller 14.Wherein bearing 11 is provided with four screw via holes, can be fixed on the end face of main valve body 6 outlet sides through four socket head screws 15.Driving-rod 13 two ends are respectively equipped with pin hole, and the one of which end makes driving-rod 13 to rotate around straight pin 12 through the straight pin 12 rotating bearings 11 that are arranged on, and the other end of driving-rod 13 is connected (referring to Fig. 2 b) through another straight pin 12 with roller 14 simultaneously.
Be connected with main valve body 6 and can conveniently have four direction to select arbitrarily for linkage mechanism 1 according to as installed.
Referring to Fig. 3, touch the outlet side that head mechanism 2 is positioned at main valve body, it comprises: locknut 21, piston 22, an O RunddichtringO 23 and the 2nd O RunddichtringO 24.
Wherein locknut 21 is settled on the outlet side of main valve body, and enters in the air cavity of main valve body.To provide a passage on this locknut 21, be provided with an O RunddichtringO 23 between sealing effect locknut 21 and the main valve body in order reaching, and this O RunddichtringO 23 to be positioned at the Gewindefreistiche place of locknut 21.
Piston 22 is placed in locknut 21 upper channels, and between is provided with the 2nd O RunddichtringO 24, to reach sealing effect.One end of piston 22 stretches out outside the main valve body through locknut 21, and is corresponding with the driving-rod 13 in the linkage mechanism 1, depresses at the following of driving-rod 13, can driven plunger 22 in locknut 21, move.The other end of piston 22 stretches in the inner chamber of main valve body, is used to drive nozzle mechanism 3.
For improving sealing, between the air cavity inwall of nozzle 31 and main valve body, be provided with the 3rd O RunddichtringO 32.
Referring to Fig. 4, the valve seat mechanism 4 among the present invention matches with emergency opening mechanism 5, is arranged on the inlet end of main valve body.Wherein valve seat mechanism 4 is positioned at the main valve body air cavity near valve suction port place; It comprises valve block 41, screw 42, bearing nut 43 and bearing handle 44; Its middle valve plate 41 is fixed on the top of bearing handle 44 through screw 42 and bearing nut 43; This valve block 41 matches with nozzle 31 in the nozzle mechanism 3, can be when both closely contact with sealed-in nozzles 31, thus realize closing between main valve body suction port and the air outlet.Bearing handle 44 is placed in the emergency opening mechanism 5, and makes valve block 41 on it be in the formation that nozzle 31 moves along air cavity, so that can realize the conducting between main valve body suction port and the air outlet and close.
Wherein, emergency opening mechanism 5 is arranged on the inlet end of main valve body 6, and it comprises nut 51, Returnning spring 52, draw ring 54, position-limitting pin 55.
Be the installation position of restriction bearing handle 44, bearing handle 44 stretches out the outer bottom of main valve body and is provided with position-limitting pin 55, limits the position of whole valve seat mechanism 4 with this.
Simultaneously, between nut 51 and bearing handle 44, be provided with Returnning spring 52, by 52 pairs of bearing handles 44 of Returnning spring reseting elasticity be provided, make that bearing handle 44 power effect outside is a returning position with this.
In order to reach excellent effect, on nut 51 and bearing handle 44 opposing end faces, be provided with resettlement groove 57, an end of Returnning spring 52 is placed in this resettlement groove 57, and an end contacts with the top of bearing handle 44.
For the ease of operation, pass nut 51 at bearing handle 44 and stretch out and be provided with a draw ring 54 on the bottom outside the main valve body bearing handle 44.
In order to reach sealing effect, bearing handle 44 is placed in the nut 51 through the 4th O RunddichtringO 53, is provided with the 5th O RunddichtringO 56 between nut 51 and the main valve body 6 simultaneously.
Based on the present invention that such scheme forms, its practical implementation is following:
Under normal state: when externally mechanical moving element collision touched in the head mechanism roller, driving-rod connected 13 under external force, rotates (shown in Fig. 2 a) around straight pin 12, and driven plunger 22, and it is moved downward.Piston 22 will further promote nozzle 31; Its elastic force that overcomes Returnning spring 33 is moved down, when nozzle 31 is pressed onto certain position with bearing handle 44 on valve block 41 closely contact, and with nozzle 31 sealing; This moment, nozzle 31 was in the closed position, thereby made whole switch valve be in closed condition.
When the exterior mechanical parts leave the roller that touches in the head mechanism; Nozzle 31 will lose external pressure, and Returnning spring 33 will produce reseting elasticity to nozzle 31, under the effect of this power; Nozzle 31 is toward moved back; With piston 22 pushed home, and break away from and return to the enable possition, thereby make whole switch valve be in opening state with valve block 41 on the bearing handle 44.
In case of emergency: pull out position-limitting pin 55; Make bearing handle 44 be in movable state; This moment, the reseting elasticity that makes bearing handle 44 overcome Returnning spring 52 moved down through pulling draw ring 54, made that the valve block 41 on the bearing handle 44 breaks away from nozzle 31; Make nozzle 31 be in opening state, thereby by force switch valve is opened.
When need not emergency opening, unclamp draw ring 54, make bearing handle 44 under the reseting elasticity effect that Returnning spring 52 produces, return to the origin-location, and carry out the position qualification through position-limitting pin 55, just can normally use.
More than show and described basic principle of the present invention, major character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (9)
1. gas travel switch valve; It is characterized in that; Said switch valve comprises main valve body, linkage mechanism, shake-up head mechanism, nozzle mechanism, valve seat mechanism, emergency opening mechanism, is provided with an air cavity in the said main valve body, also is provided with suction port and air outlet with inner air cavity conducting on the main valve body; Said shake-up head mechanism is arranged on the outlet side of main valve body; Said valve seat mechanism is arranged on the inlet end of main valve body, and said nozzle mechanism is arranged in the air cavity in the main valve body, suction port on the main valve body of conducting and air outlet; One end of nozzle mechanism matches with the shake-up head mechanism; The other end matches with valve seat mechanism, and said linkage mechanism is arranged on the outlet side of main valve body, matches with said shake-up head mechanism; Said emergency opening mechanism is arranged on the inlet end of main valve body, and matches with valve seat mechanism.
2. a kind of gas travel switch valve according to claim 1; It is characterized in that; Said linkage mechanism comprises bearing, driving-rod, roller, and said bearing is fixed on the end face of outlet side of main valve body, said movable joining of driving-rod one end bearing; And can rotate around the phase contact, the said roller and the said driving-rod the other end join.
3. a kind of gas travel switch valve according to claim 1; It is characterized in that; Said shake-up head mechanism comprises locknut and piston, and said locknut is located on the outlet side of main valve body, and said piston is placed in the locknut; The one of which end passes locknut and stretches out main valve body and match with linkage mechanism, and the other end stretches in the inner chamber of main valve body and matches with nozzle mechanism.
4. a kind of gas travel switch valve according to claim 3 is characterized in that, is provided with an O RunddichtringO between said locknut and the main valve body, is provided with the 2nd O RunddichtringO between said piston and the locknut.
5. a kind of gas travel switch valve according to claim 1; It is characterized in that; Said nozzle mechanism comprises the nozzle and first Returnning spring; Said first Returnning spring is placed on the said nozzle, and said nozzle movably is placed in the inner chamber of main valve body, and said nozzle matches with first Returnning spring in main valve body, to come and go vertically and moves.
6. a kind of gas travel switch valve according to claim 5 is characterized in that, is provided with the 3rd O RunddichtringO between said nozzle and the main valve body.
7. a kind of gas travel switch valve according to claim 1 is characterized in that, said valve seat mechanism comprises valve block, screw, bearing nut and bearing handle; Said valve block is through screw and the bearing fixed by nut top at the bearing handle; Said valve block matches with said nozzle mechanism, and said bearing handle is placed in the said emergency opening mechanism, and said emergency opening mechanism comprises nut, second Returnning spring, draw ring, position-limitting pin; Said nut is arranged on the inlet end of main valve body; Said bearing handle movably is located in the said nut, and makes the bottom stretch out main valve body through nut, and said second Returnning spring is placed between nut and the bearing handle; Said draw ring is placed in the bearing handle and stretches out on the bottom of main valve body, and said position-limitting pin is placed in the bearing handle and stretches out on the bottom of main valve body.
8. a kind of gas travel switch valve according to claim 7 is characterized in that, is provided with the 4th O RunddichtringO between said bearing handle and the nut.
9. a kind of gas travel switch valve according to claim 7 is characterized in that, is provided with the 5th O RunddichtringO between said nut and the main valve body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110300183 CN102392903B (en) | 2011-09-28 | 2011-09-28 | Gas travel switch valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201110300183 CN102392903B (en) | 2011-09-28 | 2011-09-28 | Gas travel switch valve |
Publications (2)
Publication Number | Publication Date |
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CN102392903A true CN102392903A (en) | 2012-03-28 |
CN102392903B CN102392903B (en) | 2013-03-20 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201110300183 Active CN102392903B (en) | 2011-09-28 | 2011-09-28 | Gas travel switch valve |
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CN (1) | CN102392903B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103407440A (en) * | 2013-08-22 | 2013-11-27 | 瑞立集团瑞安汽车零部件有限公司 | Lever valve |
CN110657260A (en) * | 2019-09-30 | 2020-01-07 | 杭州欣茂科技有限公司 | Solar energy light, heat and electricity heat automatic switch-over control valve |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB485256A (en) * | 1937-08-21 | 1938-05-17 | Crosby Steam Gage & Valve Comp | Improvements in safety or relief valves |
GB918493A (en) * | 1958-03-24 | 1963-02-13 | Renault | Improvements in or relating to fluid-flow control valves |
GB1223901A (en) * | 1968-01-11 | 1971-03-03 | Wellman Ind Controls Ltd | Improvements relating to valves for the control of fluid |
DE2364836A1 (en) * | 1973-09-21 | 1975-04-24 | Guilbert & Fils Leon | DOUBLE ACTUATION VALVE |
DD130323A1 (en) * | 1977-04-19 | 1978-03-22 | Klaus Hofmann | TWO-CIRCUIT PROTECTION VALVE, ESPECIALLY FOR VEHICLE BRAKING SYSTEMS ON VEHICLES |
SU857610A1 (en) * | 1979-11-29 | 1981-08-23 | Московское Производственное Объединение "Пневмоаппарат" | Braking pneumatic throttle |
US4537219A (en) * | 1983-10-07 | 1985-08-27 | Transamerica Delaval, Inc. | Fluid-sampling valve for a hydraulic system |
JPS61215867A (en) * | 1985-02-27 | 1986-09-25 | Inax Corp | Branch valve for shower toilet |
US5048565A (en) * | 1989-03-10 | 1991-09-17 | Kabushiki Kaisha Neriki | Valve assembly with check valve for gas container |
-
2011
- 2011-09-28 CN CN 201110300183 patent/CN102392903B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB485256A (en) * | 1937-08-21 | 1938-05-17 | Crosby Steam Gage & Valve Comp | Improvements in safety or relief valves |
GB918493A (en) * | 1958-03-24 | 1963-02-13 | Renault | Improvements in or relating to fluid-flow control valves |
GB1223901A (en) * | 1968-01-11 | 1971-03-03 | Wellman Ind Controls Ltd | Improvements relating to valves for the control of fluid |
DE2364836A1 (en) * | 1973-09-21 | 1975-04-24 | Guilbert & Fils Leon | DOUBLE ACTUATION VALVE |
DD130323A1 (en) * | 1977-04-19 | 1978-03-22 | Klaus Hofmann | TWO-CIRCUIT PROTECTION VALVE, ESPECIALLY FOR VEHICLE BRAKING SYSTEMS ON VEHICLES |
SU857610A1 (en) * | 1979-11-29 | 1981-08-23 | Московское Производственное Объединение "Пневмоаппарат" | Braking pneumatic throttle |
US4537219A (en) * | 1983-10-07 | 1985-08-27 | Transamerica Delaval, Inc. | Fluid-sampling valve for a hydraulic system |
JPS61215867A (en) * | 1985-02-27 | 1986-09-25 | Inax Corp | Branch valve for shower toilet |
US5048565A (en) * | 1989-03-10 | 1991-09-17 | Kabushiki Kaisha Neriki | Valve assembly with check valve for gas container |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103407440A (en) * | 2013-08-22 | 2013-11-27 | 瑞立集团瑞安汽车零部件有限公司 | Lever valve |
CN103407440B (en) * | 2013-08-22 | 2016-03-16 | 瑞立集团瑞安汽车零部件有限公司 | Lever valve |
CN110657260A (en) * | 2019-09-30 | 2020-01-07 | 杭州欣茂科技有限公司 | Solar energy light, heat and electricity heat automatic switch-over control valve |
Also Published As
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CN102392903B (en) | 2013-03-20 |
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