CN204226730U - A kind of compact type 2/2-way gas control flat seated valve - Google Patents
A kind of compact type 2/2-way gas control flat seated valve Download PDFInfo
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- CN204226730U CN204226730U CN201420555760.4U CN201420555760U CN204226730U CN 204226730 U CN204226730 U CN 204226730U CN 201420555760 U CN201420555760 U CN 201420555760U CN 204226730 U CN204226730 U CN 204226730U
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Abstract
A kind of compact type 2/2-way gas control flat seated valve, the utility model is by compressed air-driven, by controlling suction port A(25) and suction port B(22) intersect air inlet and exhaust, piston ring (3) band ovable valve stem (6) rises or declines and realizes the opening and closing of valve port, wherein upper valve body (1) compressing guide sleeve (7) is connected with lower valve body screw, each mating face seal all adopts O RunddichtringO, arrange elastic washer slow down valve open time shock, compress valve port valve seat by the elastic washer being fixed on valve stem end and realize the airtight of valve port, it is simple that the utility model has structure, volume is little, the feature that contamination resistance is strong, be particularly suitable for, in low pressure (<4bar) or vacuum liquid-transport pipe-line, break-make control carried out to conveying liquid.
Description
[technical field]
The utility model relates to a kind of flat seated valve, is specifically related to a kind of compact type 2/2-way gas control flat seated valve.
[background technique]
Known, some low pressure or vacuum liquid-transport pipe-line often need arrange a kind of control valve break-make control is frequently carried out to conveying liquid, especially need that a kind of volume is little, contamination resistance compact type control valve by force, for ease of maintenaince, but existing valve all cannot meet above-mentioned requirements, a kind of valve being applicable to the use of above-mentioned occasion so how is provided just to have become the long-term technology demand of those skilled in the art.
[summary of the invention]
For overcoming the deficiency existed in background technique, the utility model provides a kind of compact type 2/2-way gas control flat seated valve, the utility model is by compressed air-driven, by controlling suction port A and suction port B intersection air inlet and exhaust, ring belt ovable valve stem rises or declines and realizes the opening and closing of valve port, it is simple that the utility model has structure, the feature that volume is little, contamination resistance is strong.
For realizing goal of the invention as above, the utility model adopts technological scheme as described below:
A kind of compact type 2/2-way gas control flat seated valve, comprise upper valve body, piston ring, valve rod, guide sleeve, lower valve body and adpting flange, the top of described adpting flange is provided with lower valve body by attachment screw A, the upper end of described lower valve body is provided with upper valve body by attachment screw B, guide sleeve is provided with between described upper valve body and lower valve body, valve rod is provided with in endoporus in the middle part of described guide sleeve, the lower end of described valve rod is provided with the annular boss to downward-extension, on described annular boss and below be respectively equipped with elastic washer A and elastic washer B, piston ring is provided with in the upper end of valve rod, described piston ring slides in the piston cavity of upper valve body, the upper valve body outer edge surface of piston ring bottom is provided with the through suction port B to rod end chamber, the upper-end surface of the upper valve body in portion is provided with the through suction port A to piston cavity and forms described compact type 2/2-way gas control flat seated valve on the piston ring.
Described compact type 2/2-way gas control flat seated valve, described elastic washer B is fixed by screws in the lower end of valve rod.
Described compact type 2/2-way gas control flat seated valve, is provided with O RunddichtringO F, is provided with liquid inlet at the middle part of adpting flange between described adpting flange and lower valve body.
Described compact type 2/2-way gas control flat seated valve, the middle part of described lower valve body is provided with valve rod perforation, the described corresponding liquid inlet be arranged on adpting flange of valve rod perforation, the outer edge surface of lower valve body is respectively equipped with the through pressure tap to valve rod perforation and liquid outlet.
Described compact type 2/2-way gas control flat seated valve, the external measuring instrument of described pressure tap.
Described compact type 2/2-way gas control flat seated valve, the inner edge surface of described valve rod perforation is provided with valve port valve seat, and described valve port valve seat is arranged on the bottom of pressure tap.
Described compact type 2/2-way gas control flat seated valve, the outer edge surface of the valve rod perforation upper end in the middle part of described lower valve body is provided with the circular groove of outwards depression, guide sleeve is provided with in described circular groove, the bottom surface of described guide sleeve and circular groove above between be provided with O RunddichtringO E, valve rod is movably equipped with in the endoporus of guide sleeve, the inner edge surface of guide sleeve endoporus is interval with at least one O RunddichtringO C, the top of guide sleeve is arranged in the rod end chamber in the middle part of upper valve body, is provided with O RunddichtringO D between described rod end chamber and the outer edge surface of upper valve body.
Described compact type 2/2-way gas control flat seated valve, described piston ring is fixed on the upper end of valve rod by locking nut, be provided with O RunddichtringO B between the inner edge surface of the outer edge surface of piston ring and the piston cavity of upper valve body, between the inner edge surface of piston ring and the outer edge surface of valve rod, be provided with O RunddichtringO A.
Adopt technological scheme as above, the utility model has superiority as described below:
A kind of compact type 2/2-way gas control flat seated valve described in the utility model, the utility model is by compressed air-driven, by controlling suction port A and suction port B intersection air inlet and exhaust, ring belt ovable valve stem rises or declines and realizes the opening and closing of valve port, wherein upper valve body compressing guide sleeve is connected with lower valve body screw, each mating face seal all adopts O RunddichtringO, arrange elastic washer slow down valve open time shock, compress valve port valve seat by the elastic washer being fixed on valve stem end and realize the airtight of valve port, it is simple that the utility model has structure, volume is little, the feature that contamination resistance is strong, be particularly suitable for, in low pressure (<4bar) or vacuum liquid-transport pipe-line, break-make control carried out to conveying liquid.
[accompanying drawing explanation]
Fig. 1 is sectional structure schematic diagram of the present utility model;
Fig. 2 is left TV structure schematic diagram of the present utility model;
In the drawings: 1, upper valve body; 2, locking nut; 3, piston ring; 4, O RunddichtringO A; 5, O RunddichtringO B; 6, valve rod; 7, guide sleeve; 8, O RunddichtringO C; 9, O RunddichtringO D; 10, O RunddichtringO E; 11, elastic washer A; 12, elastic washer B; 13, screw; 14, lower valve body; 15, O RunddichtringO F; 16, adpting flange; 17, liquid inlet; 18, attachment screw A; 19, valve port valve seat; 20, pressure tap; 21, attachment screw B; 22, suction port B; 23, rod end chamber; 24, piston cavity; 25, suction port A; 26, liquid outlet.
[embodiment]
Can explain the utility model in more detail by the following examples, the utility model is not limited to the following examples;
A kind of compact type 2/2-way gas control flat seated valve by reference to the accompanying drawings described in 1 ~ 2, comprise upper valve body 1, piston ring 3, valve rod 6, guide sleeve 7, lower valve body 14 and adpting flange 16, the top of described adpting flange 16 is provided with lower valve body 14 by attachment screw A18, the O RunddichtringO F15 for sealing is provided with between adpting flange 16 and lower valve body 14, liquid inlet 17 is provided with at the middle part of adpting flange 16, the middle part of described lower valve body 14 is provided with valve rod perforation, the described corresponding liquid inlet 17 be arranged on adpting flange 16 of valve rod perforation, the outer edge surface of lower valve body 14 is respectively equipped with the through pressure tap 20 to valve rod perforation and liquid outlet 26, the external measuring instrument for detecting data of described pressure tap 20, the inner edge surface of described valve rod perforation is provided with valve port valve seat 19, described valve port valve seat 19 is arranged on the bottom of pressure tap 20, further, upper valve body 1 is provided with by attachment screw B21 in the upper end of lower valve body 14, guide sleeve 7 is provided with between described upper valve body 1 and lower valve body 14, in order to better the utility model is described, the outer edge surface of the valve rod perforation upper end in the utility model in the middle part of lower valve body 14 is provided with the circular groove of outwards depression, guide sleeve 7 is provided with in described circular groove, the bottom surface of described guide sleeve 7 and circular groove above between be provided with O RunddichtringO E10, valve rod 6 is movably equipped with in the endoporus of guide sleeve 7, the inner edge surface of guide sleeve 7 endoporus is interval with at least one O RunddichtringO C8, the top of guide sleeve 7 is arranged in the rod end chamber 23 in the middle part of upper valve body 1, O RunddichtringO D9 is provided with between described rod end chamber 23 and the outer edge surface of upper valve body 1, further, valve rod 6 is provided with in endoporus in the middle part of described guide sleeve 7, the lower end of described valve rod 6 is provided with the annular boss to downward-extension, on described annular boss and below be respectively equipped with elastic washer A11 and elastic washer B12, wherein said elastic washer B12 is fixed on the lower end of valve rod 6 by screw 13, piston ring 3 is provided with in the upper end of valve rod 6, in order to better the utility model is described, piston ring 3 described in the utility model is fixed on the upper end of valve rod 6 by locking nut 2, be provided with O RunddichtringO B5 between the inner edge surface of the outer edge surface of piston ring 3 and the piston cavity 24 of upper valve body 1, between the inner edge surface of piston ring 3 and the outer edge surface of valve rod 6, be provided with O RunddichtringO A4, further, described piston ring 3 slides in the piston cavity 24 of upper valve body 1, upper valve body 1 outer edge surface of piston ring 3 bottom is provided with the through suction port B22 to rod end chamber 23, the upper-end surface of the upper valve body 1 on piston ring 3 top is provided with the through suction port A25 to piston cavity 24 and forms described compact type 2/2-way gas control flat seated valve.
The utility model is arranged on low pressure (<4bar) or vacuum liquid-transport pipe-line and carries out break-make control to conveying liquid, its working principle is as follows: when suction port A25 air inlet, suction port B22 is vented, pressurized air enters piston cavity 24 from suction port A25 and promotes piston ring 3 is with ovable valve stem 6 to decline, block the passage between liquid inlet 17 and liquid outlet 26, namely achieve the object of close port;
When suction port B22 air inlet, suction port A25 is vented, and pressurized air enters rod end chamber 23 and promotes piston ring 3 and be with ovable valve stem 6 to rise, and opens the passage between liquid inlet 17 and liquid outlet 26, namely achieves the object of opening valve port.
In the utility model, locking nut 2 is for latching ram ring 3 and valve rod 6; O RunddichtringO 4 is for the sealing between piston ring 3 and valve rod 6; O RunddichtringO 5 is for the sealing between piston ring 3 and upper valve body 1; Wherein upper valve body 1 compressing guide sleeve 7 attachment screw B21 and lower valve body 14 connects as one; O RunddichtringO 8 is for the sealing between guide sleeve 7 and valve rod 6; O RunddichtringO 9 is for the sealing between guide sleeve 7 and upper valve body 1; O RunddichtringO 10 is for the sealing between guide sleeve 7 and lower valve body 14; Elastic washer 11 is for slowing down the shock of valve rod 6 and guide sleeve 7 when valve is opened; Elastic washer 12 is fixed on valve rod 6 underpart by screw 13, for realizing the sealing between valve rod 6 lower end and valve port valve seat 19; Adpting flange 16 and lower valve body 14 are connected with attachment screw A18 and are sealed by O RunddichtringO 15; Liquid inlet 17 is welded with liquid transport pipeline, and liquid outlet 26 employings are threaded, pressure tap 20 for external measuring instrument, wherein, suction port A25 and suction port B22 nearby or long-range connection air-operated solenoid valve and compressed air source unit realize automatically controlling; Wherein elastic washer 11 and elastic washer 12 select high strength elastic material to ensure the serviceability of valve, and the utility model can also be designed to different specification series according to uninterrupted, convenient application.
The non-detailed portion of the utility model is prior art.
The embodiment selected in this article in order to open object of the present invention, currently thinks to be suitable for, but it is to be understood that the utility model is intended to comprise all changes belonging to the embodiment in this design and invention scope and improvement.
Claims (8)
1. a compact type 2/2-way gas control flat seated valve, comprise upper valve body (1), piston ring (3), valve rod (6), guide sleeve (7), lower valve body (14) and adpting flange (16), it is characterized in that: the top of described adpting flange (16) is by attachment screw A(18) be provided with lower valve body (14), the upper end of described lower valve body (14) is by attachment screw B(21) be provided with upper valve body (1), guide sleeve (7) is provided with between described upper valve body (1) and lower valve body (14), valve rod (6) is provided with in the endoporus at described guide sleeve (7) middle part, the lower end of described valve rod (6) is provided with the annular boss to downward-extension, on described annular boss and below be respectively equipped with elastic washer A(11) and elastic washer B(12), piston ring (3) is provided with in the upper end of valve rod (6), described piston ring (3) slides in the piston cavity (24) of upper valve body (1), upper valve body (1) outer edge surface of piston ring (3) bottom is provided with the through suction port B(22 to rod end chamber (23)), the upper-end surface of the upper valve body (1) on piston ring (3) top is provided with the through suction port A(25 to piston cavity (24)) formed described in compact type 2/2-way gas control flat seated valve.
2. compact type 2/2-way gas control flat seated valve according to claim 1, is characterized in that: described elastic washer B(12) lower end of valve rod (6) is fixed on by screw (13).
3. compact type 2/2-way gas control flat seated valve according to claim 1, is characterized in that: be provided with O RunddichtringO F(15 between described adpting flange (16) and lower valve body (14)), be provided with liquid inlet (17) at the middle part of adpting flange (16).
4. compact type 2/2-way gas control flat seated valve according to claim 1, it is characterized in that: the middle part of described lower valve body (14) is provided with valve rod perforation, described valve rod perforation correspondence is arranged on the liquid inlet (17) on adpting flange (16), and the outer edge surface of lower valve body (14) is respectively equipped with the through pressure tap (20) to valve rod perforation and liquid outlet (26).
5. compact type 2/2-way gas control flat seated valve according to claim 4, is characterized in that: described pressure tap (20) external measuring instrument.
6. compact type 2/2-way gas control flat seated valve according to claim 4, is characterized in that: the inner edge surface of described valve rod perforation is provided with valve port valve seat (19), and described valve port valve seat (19) is arranged on the bottom of pressure tap (20).
7. compact type 2/2-way gas control flat seated valve according to claim 1, it is characterized in that: the outer edge surface of the valve rod perforation upper end at described lower valve body (14) middle part is provided with the circular groove of outwards depression, guide sleeve (7) is provided with in described circular groove, the bottom surface of described guide sleeve (7) and circular groove above between be provided with O RunddichtringO E(10), valve rod (6) is movably equipped with in the endoporus of guide sleeve (7), the inner edge surface of guide sleeve (7) endoporus is interval with at least one O RunddichtringO C(8), the top of guide sleeve (7) is arranged in the rod end chamber (23) at upper valve body (1) middle part, O RunddichtringO D(9 is provided with) between the outer edge surface of described rod end chamber (23) and upper valve body (1).
8. compact type 2/2-way gas control flat seated valve according to claim 1, it is characterized in that: described piston ring (3) is fixed on the upper end of valve rod (6) by locking nut (2), O RunddichtringO B(5 is provided with between the inner edge surface of the outer edge surface of piston ring (3) and the piston cavity (24) of upper valve body (1)), be provided with O RunddichtringO A(4 between the inner edge surface of piston ring (3) and the outer edge surface of valve rod (6)).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420555760.4U CN204226730U (en) | 2014-09-26 | 2014-09-26 | A kind of compact type 2/2-way gas control flat seated valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420555760.4U CN204226730U (en) | 2014-09-26 | 2014-09-26 | A kind of compact type 2/2-way gas control flat seated valve |
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| Publication Number | Publication Date |
|---|---|
| CN204226730U true CN204226730U (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420555760.4U Active CN204226730U (en) | 2014-09-26 | 2014-09-26 | A kind of compact type 2/2-way gas control flat seated valve |
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| Country | Link |
|---|---|
| CN (1) | CN204226730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315197A (en) * | 2014-09-26 | 2015-01-28 | 中色科技股份有限公司 | Compact two-position two-way air control flat seat valve |
-
2014
- 2014-09-26 CN CN201420555760.4U patent/CN204226730U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315197A (en) * | 2014-09-26 | 2015-01-28 | 中色科技股份有限公司 | Compact two-position two-way air control flat seat valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |