CN101398096A - Valve structure of pneumatic three-way regulating valve - Google Patents
Valve structure of pneumatic three-way regulating valve Download PDFInfo
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- CN101398096A CN101398096A CNA2007100466196A CN200710046619A CN101398096A CN 101398096 A CN101398096 A CN 101398096A CN A2007100466196 A CNA2007100466196 A CN A2007100466196A CN 200710046619 A CN200710046619 A CN 200710046619A CN 101398096 A CN101398096 A CN 101398096A
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Abstract
The invention relates to a valve part structure of a pneumatic three-way regulating valve. The valve structure comprises that: an upper valve seat is arranged at the middle part of a valve body; a lower valve seat is arranged at the bottom of the valve body; a valve core is arranged at the center hole of the valve body; a lower guide pipe, a lower seal filling material, a filling material isolating pipe, an upper seal filling material and an upper guide pipe are piled upwardly on the valve rod of the valve core in sequence, thereby forming a double seal; a cage for fixing the lower valve seat is arranged on the lower valve seat; a cage for fixing the upper valve seat and a valve cap are piled upwardly on the upper valve seat in sequence; a valve cap flange is arranged on the valve body and fixedly connected by a valve cap flange bolt; a gland of the filling material is arranged on the upper guide pipe and fixedly connected by a bolt; and a push rod is fixedly connected with the valve rod of the valve core, and the bottom of a bracket is connected with the valve cap to form a whole by a fixed structure. The beneficial effect of the three-way regulating valve is that the shunt regulation and the interflow regulation can be achieved merely by adopting one type of valve core; and the three-way regulating valve has the advantages of excellent tightness, low leakage, low noise and high security and reliability in use.
Description
Technical field
The present invention relates to a kind of Pneumatic three-way modulating valve, relate in particular to the valve portion structure of this Pneumatic three-way modulating valve.
Background technique
The Pneumatic three-way modulating valve can be applicable to industries such as oil, chemical industry, electric power.
The Pneumatic three-way modulating valve is made up of valve portion parts, actuator, positioning work piece and tracheae annex.
Valve body adopts split typely in the valve portion parts of prior art, and sealability is bad; Valve seat loses to the center by being threaded or welding manner is connected with valve body, must just can reach the leakage class requirement by grinding well, and easy-to-rust dismounting difficulty and sealing are poor; Because the pressure reduction that actuator overcomes is low, spool adopts different structures in bore 〉=DN80 valve member when shunting is regulated with the interflow adjusting, causes the valve portion interchangeablity low, and processing strengthens with quantity in stock, uneconomical, and flow divider valve core is because the problem of structure is let out in it inevitable.
Summary of the invention
The technical issues that need to address of the present invention have provided a kind of valve portion structure of Pneumatic three-way modulating valve, are intended to solve the above problems.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
The present invention includes: the upper valve base and the lower valve base that are arranged on valve body middle part and bottom, spool is set on the valve base center hole, upwards stack successively on the valve rod of spool and be provided with down guide pipe, lower seal filler, filler isolated tube, upper gland packing, go up guide pipe, constitute double seal; Fixedly cage of a lower valve base is arranged on the lower valve base, stack successively on the upper valve base and be provided with upper valve base fixedly cage, valve gap; Bonnet flange is arranged on the valve body, is fastenedly connected by the bonnet flange double-screw bolt; Gland is arranged on the guide pipe, is connected by bolton; The valve rod of push rod and spool is fastenedly connected, and support bottom and valve gap are connected as a single entity by fixed structure;
Compared with prior art, the invention has the beneficial effects as follows: adopt a kind of spool just can reach shunting adjusting and interflow adjusting, have good sealing property; Leakage rate is low, and noise is low, and is safe and reliable.
Description of drawings
Fig. 1 adopts Pneumatic three-way modulating valve structural representation of the present invention;
Fig. 2 is a structural representation of the present invention;
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:
As seen from Figure 2: the present invention includes: the upper valve base 17 and the lower valve base 13 that are arranged on valve body 11 middle parts and bottom, spool 15 is set on the valve base center hole, upwards stack successively on the valve rod of spool 15 and be provided with down guide pipe 110, lower seal filler (112,113), filler isolated tube 116, upper gland packing (120,121,122), go up guide pipe 123, formation double seal; Fixedly cage 14 of a lower valve base is arranged on the lower valve base 13, stack successively on the upper valve base 17 and be provided with upper valve base fixedly cage 18, valve gap 19; Bonnet flange 117 is arranged on the valve body 11, is fastenedly connected by bonnet flange double-screw bolt (118,119); Gland 128 is arranged on the guide pipe 123, is fastenedly connected by bolt (129,130); Push rod 219 is fastenedly connected with the valve rod of spool 15, and support 225 bottoms and valve gap 19 are connected as a single entity by fixed structure;
Do not have between described upper valve base 17 and the lower valve base 13 and be threaded, by lower valve base fixedly cage 14, upper valve base fixedly cage 18, upper valve base 17, valve gap 19 are fixed;
Be provided with cone shape hole in described lower valve base 13 and the upper valve base 17; The valve core head up and down of described spool 15 is and the suitable cone-shaped of last lower valve base cone shape hole, and the spool conical seal (contact) face is embedded in the cone shape hole of lower valve base, constitutes linear sealing;
Described valve body 11 is an integral type;
Described spool 15 is a kind of spools of regulating and collaborating to regulate that can be used for shunting;
The step that establish on described valve body 11 tops is provided with gasket seal 115 between this step and valve gap 19 bottoms;
Described valve body 11 middle parts and bottom are provided with step, and these two steps respectively and be respectively equipped with upper and lower valve seat pad (16,12) between this valve seat;
Described fixed structure is a support folder (125,126,127);
By Fig. 1, Fig. 2 as seen, comprising: valve portion parts 1, actuator 2, positioning work piece and tracheae annex 3.
Valve body sub-unit 1 comprises: valve body 11, lower valve base pad 12, lower valve base 13, lower valve base is cage 14 fixedly, upper valve base is cage 18 fixedly, spool 15, upper valve base pad 16, upper valve base 17, valve gap 19, guide pipe (110,123), guide bush (111,124), stopping shim 112, bonnet gasket 115, filler isolated tube 116, bonnet flange 117, bonnet flange double-screw bolt 118, bonnet flange nut 119, following filler 112,120, middle filler 121, last filler (114,122), support folder 125, support folder bolt 126, support folder nut 127, hold-down grid 128, hold-down grid bolt 129, hold-down grid nut 130.
The present invention can need not to increase and decrease part according to user's working condition requirement, changes circulating direction, valve body sub-unit 1 interflow can be changed into shunting or shunts changing the interflow into, and as A mouth → B mouth, C mouth → B mouth is the interflow mode; B mouth → A mouth, B mouth → C mouth is a shunting mode.
The present invention adopts modularization, piles up the formula structural design, nothing is threaded in the valve body, and the maintenance easy accessibility is shunted, collaborates only need change the flow direction, need not increase and decrease part, it is convenient to change system process, and novel structure, science, reasonable have adjusting, cut-out, cut off functions such as pressure reduction is big, leakage rate is little, be provided with multi-sealing structure in the valve body, good seal performance, safe and reliable, long service life.
Claims (8)
1. the valve portion structure of a Pneumatic three-way modulating valve, it is characterized in that comprising: the upper valve base (17) and the lower valve base (13) that are arranged on valve body (11) middle part and bottom, spool (15) is set on the valve base center hole, upwards stack successively on the valve rod of spool (15) and be provided with down guide pipe (110), lower seal filler (112,113), filler isolated tube (116), upper gland packing (120,121,122), go up guide pipe (123), formation double seal; Fixedly cage (14) of a lower valve base is arranged on the lower valve base (13), stack successively on the upper valve base (17) and be provided with upper valve base fixedly cage (18), valve gap (19); Bonnet flange (117) is arranged on the valve body (11), is fastenedly connected by bonnet flange double-screw bolt (118,119); Gland (128) is arranged on the guide pipe (123), is fastenedly connected by bolt (129,130); Push rod (219) is fastenedly connected with the valve rod of spool (15), and support (225) bottom and valve gap (19) are connected as a single entity by fixed structure.
2. the valve portion structure of Pneumatic three-way modulating valve according to claim 1, it is characterized in that: do not have between described upper valve base (17) and the lower valve base (13) and be threaded, by lower valve base fixedly cage (14), upper valve base fixedly cage (18), upper valve base (17), valve gap (19) are fixed.
3. the valve portion structure of Pneumatic three-way modulating valve according to claim 1 is characterized in that: be provided with cone shape hole in described lower valve base (13) and the upper valve base (17); The valve core head up and down of described spool (15) is and the suitable cone-shaped of last lower valve base cone shape hole, and the spool conical seal (contact) face is embedded in the cone shape hole of lower valve base, constitutes linear sealing.
4. the valve portion structure of Pneumatic three-way modulating valve according to claim 1 is characterized in that: described valve body (11) is an integral type.
5. the valve portion structure of Pneumatic three-way modulating valve according to claim 1 is characterized in that: described spool (15) is a kind of spool of regulating and collaborating to regulate that can be used for shunting.
6. the valve portion structure of Pneumatic three-way modulating valve according to claim 1 is characterized in that: the step that establish on described valve body (11) top, this step and valve gap (19) are provided with gasket seal (115) between the bottom.
7. the valve portion structure of Pneumatic three-way modulating valve according to claim 1 is characterized in that: described valve body (11) middle part is provided with step with the bottom, and these two steps respectively and be respectively equipped with upper and lower valve seat pad (16,12) between this valve seat.
8. the valve portion structure of Pneumatic three-way modulating valve according to claim 1 is characterized in that: described fixed structure is a support folder (125,126,127).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNA2007100466196A CN101398096A (en) | 2007-09-29 | 2007-09-29 | Valve structure of pneumatic three-way regulating valve |
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CNA2007100466196A CN101398096A (en) | 2007-09-29 | 2007-09-29 | Valve structure of pneumatic three-way regulating valve |
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CNA2007100466196A Pending CN101398096A (en) | 2007-09-29 | 2007-09-29 | Valve structure of pneumatic three-way regulating valve |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102128283A (en) * | 2011-01-21 | 2011-07-20 | 杭州佳能阀门有限公司 | Pneumatic piston backblowed air switching valve |
CN102192332A (en) * | 2010-03-08 | 2011-09-21 | 宁波华成阀门有限公司 | Anti-siphon vacuum break valve |
CN103032602A (en) * | 2012-12-28 | 2013-04-10 | 奥士奥控制阀门(上海)有限公司 | Pneumatic corrugated pipe type three-way adjusting valve |
CN103603967A (en) * | 2013-12-04 | 2014-02-26 | 四川锦宇化机有限公司 | Single-core three-way valve |
CN104879527A (en) * | 2015-06-04 | 2015-09-02 | 上海光辉仪器仪表有限公司 | Three-way regulating valve |
CN107702768A (en) * | 2017-10-12 | 2018-02-16 | 西安航天动力研究所 | A kind of pressure-air big flow field calibration device and method |
CN107830200A (en) * | 2017-10-12 | 2018-03-23 | 西安航天动力研究所 | A kind of two-bit triplet rapid reversal valve |
WO2018094662A1 (en) * | 2016-11-24 | 2018-05-31 | 周玉春 | Three-way change-over valve providing continuous flow |
CN108368944A (en) * | 2015-12-07 | 2018-08-03 | 庆东纳碧安株式会社 | Triple valve |
CN109519630A (en) * | 2018-12-19 | 2019-03-26 | 浙江嘉达机械制造有限公司 | A kind of tee pipe fitting |
CN110486501A (en) * | 2019-09-03 | 2019-11-22 | 大连大高阀门股份有限公司 | Three-way cut-off valve |
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2007
- 2007-09-29 CN CNA2007100466196A patent/CN101398096A/en active Pending
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102192332A (en) * | 2010-03-08 | 2011-09-21 | 宁波华成阀门有限公司 | Anti-siphon vacuum break valve |
CN102192332B (en) * | 2010-03-08 | 2013-10-09 | 宁波华成阀门有限公司 | Anti-siphon vacuum break valve |
CN102128283A (en) * | 2011-01-21 | 2011-07-20 | 杭州佳能阀门有限公司 | Pneumatic piston backblowed air switching valve |
CN103032602A (en) * | 2012-12-28 | 2013-04-10 | 奥士奥控制阀门(上海)有限公司 | Pneumatic corrugated pipe type three-way adjusting valve |
CN103603967A (en) * | 2013-12-04 | 2014-02-26 | 四川锦宇化机有限公司 | Single-core three-way valve |
CN104879527A (en) * | 2015-06-04 | 2015-09-02 | 上海光辉仪器仪表有限公司 | Three-way regulating valve |
CN108368944A (en) * | 2015-12-07 | 2018-08-03 | 庆东纳碧安株式会社 | Triple valve |
CN108368944B (en) * | 2015-12-07 | 2020-03-03 | 庆东纳碧安株式会社 | Three-way valve |
WO2018094662A1 (en) * | 2016-11-24 | 2018-05-31 | 周玉春 | Three-way change-over valve providing continuous flow |
CN107830200A (en) * | 2017-10-12 | 2018-03-23 | 西安航天动力研究所 | A kind of two-bit triplet rapid reversal valve |
CN107702768A (en) * | 2017-10-12 | 2018-02-16 | 西安航天动力研究所 | A kind of pressure-air big flow field calibration device and method |
CN107702768B (en) * | 2017-10-12 | 2020-03-03 | 西安航天动力研究所 | High-pressure air large-flow field calibration device and method |
CN109519630A (en) * | 2018-12-19 | 2019-03-26 | 浙江嘉达机械制造有限公司 | A kind of tee pipe fitting |
CN109519630B (en) * | 2018-12-19 | 2023-12-05 | 浙江嘉达机械制造有限公司 | Tee pipe fitting |
CN110486501A (en) * | 2019-09-03 | 2019-11-22 | 大连大高阀门股份有限公司 | Three-way cut-off valve |
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Open date: 20090401 |