CN204176041U - Bi-bit bi-pass electrically-controlled valve - Google Patents

Bi-bit bi-pass electrically-controlled valve Download PDF

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Publication number
CN204176041U
CN204176041U CN201420618017.9U CN201420618017U CN204176041U CN 204176041 U CN204176041 U CN 204176041U CN 201420618017 U CN201420618017 U CN 201420618017U CN 204176041 U CN204176041 U CN 204176041U
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China
Prior art keywords
valve
gas circuit
piston seat
piston
valve body
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CN201420618017.9U
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Chinese (zh)
Inventor
夏国伟
苏志勇
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NINGBO LIDA PNEUMATIC COMPLETE SETS CO Ltd
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NINGBO LIDA PNEUMATIC COMPLETE SETS CO Ltd
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Priority to CN201420618017.9U priority Critical patent/CN204176041U/en
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Abstract

Bi-bit bi-pass electrically-controlled valve disclosed in the utility model, comprise valve body, valve gap and piston seat, described valve gap, valve body and piston seat cooperation are formed with valve pocket, described valve body is respectively arranged with the inlet hole be communicated with valve pocket and air outlet hole, valve rod is movably set with in valve pocket, described valve rod is provided with some flat circles, one end of valve rod is provided with piston, active chamber is formed between described piston and piston seat, described piston seat is respectively arranged with the first gas circuit be communicated with described active chamber, the second gas circuit be communicated with described inlet hole, the exhaust gas circuit be equipped with described first gas circuit, the end winding support of described piston seat is connected with to control described first gas circuit and the second gas circuit, first gas circuit and the miniature electromagnetic valve being vented gas circuit opening and closing, Returnning spring is provided with between the other end of described valve rod and described valve gap.The utility model is simple and reasonable, control and use comparatively to arrange less, easy access and maintenance, easy to assembly for convenience of, volume.

Description

Bi-bit bi-pass electrically-controlled valve
Technical field
The utility model relates to valve class technical field, particularly a kind of bi-bit bi-pass electrically-controlled valve.
Background technique
Two position two-way valve is the one of valve class, with common known by people.Two position two-way valve can be divided into bi-bit bi-pass mechanical valve and two-position two-way solenoid valve two kinds by structure difference.Need manually-operable valve rod when wherein the feature of bi-bit bi-pass mechanical valve is work, its advantage is that manufacture cost is lower, and shortcoming is to control comparatively inconvenience, and cannot be applicable to the occasion needing frequent switching gas circuit, causes using narrow limitation larger.The structure of existing two-position two-way solenoid valve arranges by sleeve pipe on valve body, static iron core, dynamic iron core and coil block coordinate the first guide assembly formed, the dynamic end of iron core offsets with the valve rod in valve body and coordinates, during coil block energising, dynamic iron core motion also actuate valve stem is synchronized with the movement, and then reach the effect of switching gas circuit, the advantage of two-position two-way solenoid valve is to control conveniently, the occasion of frequent switching gas circuit can be applicable to, but its defect is: first, because above-mentioned two-position two-way solenoid valve operationally needs by dynamic iron core actuate valve stem motion, dynamic iron core is needed to have larger thrust when action, therefore during design, need guide's assembly volume to arrange larger, thus, just the volume of whole valve can be made to need setting larger, when causing installing, needs take larger installing space, the second, because first guide assembly is directly installed on valve body, when guide assembly breaks down in the ban, cause inspection and maintenance comparatively inconvenient.
Model utility content
The purpose of this utility model is defect for prior art and deficiency, provide a kind of simple and reasonable, control and use comparatively to arrange less, easy access and maintenance, bi-bit bi-pass electrically-controlled valve easy to assembly for convenience of, volume.
For achieving the above object, the utility model is by the following technical solutions:
Bi-bit bi-pass electrically-controlled valve described in the utility model, comprise valve body, the valve gap be connected with the one end fits of described valve body, the other end of described valve body is also provided with piston seat, described valve gap, described valve body and the cooperation of described piston seat are formed with valve pocket, described valve body is respectively arranged with the inlet hole and air outlet hole that are communicated with described valve pocket, valve rod is movably set with in described valve pocket, described valve rod is provided with the close-fitting flat circle of some and described valve interior wall, one end of described valve rod is provided with piston, active chamber is formed between described piston and described piston seat, described piston seat is respectively arranged with the first gas circuit be communicated with described active chamber, the second gas circuit be communicated with described inlet hole, the exhaust gas circuit be equipped with described first gas circuit, the end winding support of described piston seat is connected with to control described first gas circuit and described second gas circuit, the miniature electromagnetic valve of described first gas circuit and the opening and closing of described exhaust gas circuit, Returnning spring is provided with between the other end of described valve rod and described valve gap.
Further, described valve rod and described piston are that split is arranged, and the end of described piston offsets with described valve rod and coordinates, and be embedded with " Y " shape and enclose between described piston and described piston seat.
Further, be positioned at described second gas circuit place and be provided with round section joint ring between described valve body and described piston seat.
Further, rhombus circle is provided with between described valve body and described valve gap.
Further, described valve gap, described piston seat are all fixedly connected with described valve body by Cross Recess Head Screw.
The beneficial effects of the utility model are: arrange piston seat by the end at valve body, and miniature electromagnetic valve is set on piston seat, to arrange in valve pocket and valve rod offsets the piston coordinated, active chamber is formed between piston and piston seat, piston seat is arranged respectively the first gas circuit be communicated with active chamber, the second gas circuit be communicated with inlet hole, the exhaust gas circuit be equipped with the first gas circuit, pressurized gas is filled with by inlet hole to the utility model during use, by miniature electromagnetic valve to the first gas circuit and the second gas circuit, first gas circuit controls with the open and-shut mode of exhaust gas circuit, when miniature electromagnetic valve does not work, path between first gas circuit and the second gas circuit is closed, path between first gas circuit and exhaust gas circuit is switched on, enter without pressurized gas in active chamber, now valve rod is in original state under the effect of Returnning spring, namely the path between inlet hole and air outlet hole is closed, when miniature electromagnetic valve energising work, on state is formed between first gas circuit and the second gas circuit, path between first gas circuit and exhaust gas circuit is then closed, a part of gas now in inlet hole enters in active chamber through the second gas circuit, the first gas circuit successively, piston is actuate valve stem action under the effect of active chamber internal air pressure, form path between inlet hole and air outlet hole, Returnning spring is compressed, when miniature electromagnetic valve quits work again, path between first gas circuit and the second gas circuit is closed again, path between first gas circuit and exhaust gas circuit is switched on again, pressurized gas now in active chamber is discharged through the first gas circuit, exhaust gas circuit successively, valve rod returning position again under the effect of Returnning spring.
The utility model by arranging independently miniature electromagnetic valve on piston seat, and piston is set in valve pocket, moved by piston actuated valve rod, and adopt compared with dynamic iron core actuate valve stem moves in prior art, the utility model volume arranges more small and exquisite, is conducive to reducing installation footprint; By arranging miniature electromagnetic valve, be both convenient to control working state of the present utility model, simultaneously because miniature electromagnetic valve is independent of outside valve body, assembling is simple, inspection and maintenance more for convenience, when miniature electromagnetic valve breaks down, can also change, use more for convenience.
Accompanying drawing explanation
Fig. 1 is the structural representation under the utility model original state;
Fig. 2 is the structural representation under utility model works state.
In Fig. 1 and Fig. 2:
1, valve body; 11, inlet hole; 12, air outlet hole; 2, valve gap; 21, rhombus circle; 3, piston seat; 31, the first gas circuit; 32, the second gas circuit; 33, round section joint ring; 34, gas circuit is vented; 4, valve pocket; 5, valve rod; 6, flat circle; 7, piston; 71, " Y " shape circle; 8, miniature electromagnetic valve; 9, Returnning spring; 10, Cross Recess Head Screw; A, active chamber.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
Bi-bit bi-pass electrically-controlled valve as depicted in figs. 1 and 2, comprise valve body 1, the valve gap 2 be connected with the one end fits of valve body 1, the other end of valve body 1 is also provided with piston seat 3, valve gap 2, valve body 1 and piston seat 3 cooperation are formed with valve pocket 4, valve body 1 is respectively arranged with the inlet hole 11 and air outlet hole 12 that are communicated with valve pocket 4, valve rod 5 is movably set with in valve pocket 4, valve rod 5 is provided with some flat circles 6 close-fitting with valve body 1 inwall, one end of valve rod 5 is provided with piston 7, active chamber A is formed between piston 7 and piston seat 3, piston seat 3 is respectively arranged with the first gas circuit 31 be communicated with active chamber A, the second gas circuit 32 be communicated with inlet hole 11, the exhaust gas circuit 34 be equipped with the first gas circuit 31, the end winding support of piston seat 3 is connected with to control the first gas circuit 31 and the second gas circuit 32 respectively, first gas circuit 31 and the miniature electromagnetic valve 8 being vented gas circuit 34 opening and closing, Returnning spring 9 is provided with between the other end of valve rod 5 and valve gap 2.
Working principle of the present utility model: be filled with pressurized gas by inlet hole 11 to the utility model during use, by miniature electromagnetic valve 8 to the first gas circuit 31 and the second gas circuit 32, first gas circuit 31 controls with the open and-shut mode of exhaust gas circuit 34, when miniature electromagnetic valve 8 does not work, path between first gas circuit 31 and the second gas circuit 32 is closed, path between first gas circuit 31 and exhaust gas circuit 34 is switched on, enter without pressurized gas in active chamber A, now valve rod 5 is in original state under the effect of Returnning spring 9, namely the path between inlet hole 11 and air outlet hole 12 is closed, when miniature electromagnetic valve 8 is energized work, on state is formed between first gas circuit 31 and the second gas circuit 32, path between first gas circuit 31 and exhaust gas circuit 34 is then closed, a part of gas now in inlet hole 11 enters in active chamber A through the second gas circuit 32, first gas circuit 31 successively, piston 7 is actuate valve stem 5 action under the effect of active chamber A internal air pressure, form path between inlet hole 11 and air outlet hole 12, Returnning spring 9 is compressed, when miniature electromagnetic valve 8 quits work again, path between first gas circuit 31 and the second gas circuit 32 is closed again, path between first gas circuit 31 and exhaust gas circuit 34 is switched on again, pressurized gas now in active chamber A is discharged through the first gas circuit 31, exhaust gas circuit 34 successively, valve rod 5 returning position again under the effect of Returnning spring 9.
More convenient in order to make the utility model assemble, valve rod 5 is with piston 7 for split is arranged, and the end of piston 7 offsets with valve rod 5 and coordinates; Be embedded with " Y " shape between piston 7 and piston seat 3 and enclose 71, ensure that sealability of the present utility model.Be positioned at the second gas circuit 32 place and be provided with round section joint ring 33 between valve body 1 and piston seat 3, the gas avoided in the second gas circuit 32 leaks out from the gap between valve body 1 and piston seat 3, and sealability is higher.Be provided with rhombus circle 21 between valve body 1 and valve gap 2, sealing effect is better, connects more tight.Valve gap 2, piston seat 3 are all fixedly connected with valve body 1 by Cross Recess Head Screw 10, and installation and removal more for convenience.
The above is only better embodiment of the present utility model, therefore all equivalences done according to structure, feature and the principle described in the utility model patent claim change or modify, and are included in the utility model patent claim.

Claims (5)

1. bi-bit bi-pass electrically-controlled valve, comprise valve body, the valve gap be connected with the one end fits of described valve body, it is characterized in that: the other end of described valve body is also provided with piston seat, described valve gap, described valve body and the cooperation of described piston seat are formed with valve pocket, described valve body is respectively arranged with the inlet hole and air outlet hole that are communicated with described valve pocket, valve rod is movably set with in described valve pocket, described valve rod is provided with the close-fitting flat circle of some and described valve interior wall, one end of described valve rod is provided with piston, active chamber is formed between described piston and described piston seat, described piston seat is respectively arranged with the first gas circuit be communicated with described active chamber, the second gas circuit be communicated with described inlet hole, the exhaust gas circuit be equipped with described first gas circuit, the end winding support of described piston seat is connected with to control described first gas circuit and described second gas circuit, the miniature electromagnetic valve of described first gas circuit and the opening and closing of described exhaust gas circuit, Returnning spring is provided with between the other end of described valve rod and described valve gap.
2. bi-bit bi-pass electrically-controlled valve according to claim 1, is characterized in that: described valve rod and described piston are that split is arranged, and the end of described piston offsets with described valve rod and coordinates, and is embedded with " Y " shape and encloses between described piston and described piston seat.
3. bi-bit bi-pass electrically-controlled valve according to claim 1, is characterized in that: be positioned at described second gas circuit place and be provided with round section joint ring between described valve body and described piston seat.
4. bi-bit bi-pass electrically-controlled valve according to claim 1, is characterized in that: be provided with rhombus circle between described valve body and described valve gap.
5. bi-bit bi-pass electrically-controlled valve according to claim 1, is characterized in that: described valve gap, described piston seat are all fixedly connected with described valve body by Cross Recess Head Screw.
CN201420618017.9U 2014-10-23 2014-10-23 Bi-bit bi-pass electrically-controlled valve Active CN204176041U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420618017.9U CN204176041U (en) 2014-10-23 2014-10-23 Bi-bit bi-pass electrically-controlled valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420618017.9U CN204176041U (en) 2014-10-23 2014-10-23 Bi-bit bi-pass electrically-controlled valve

Publications (1)

Publication Number Publication Date
CN204176041U true CN204176041U (en) 2015-02-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420618017.9U Active CN204176041U (en) 2014-10-23 2014-10-23 Bi-bit bi-pass electrically-controlled valve

Country Status (1)

Country Link
CN (1) CN204176041U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112610724A (en) * 2020-12-23 2021-04-06 北京中车赛德铁道电气科技有限公司 Pneumatic active-break change-over valve
CN114209943A (en) * 2021-11-23 2022-03-22 北京谊安医疗系统股份有限公司 Switching device for driving gas of anesthesia machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112610724A (en) * 2020-12-23 2021-04-06 北京中车赛德铁道电气科技有限公司 Pneumatic active-break change-over valve
CN114209943A (en) * 2021-11-23 2022-03-22 北京谊安医疗系统股份有限公司 Switching device for driving gas of anesthesia machine

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