CN104061360A - Novel piston type pneumatic control pulse valve - Google Patents
Novel piston type pneumatic control pulse valve Download PDFInfo
- Publication number
- CN104061360A CN104061360A CN201410259760.4A CN201410259760A CN104061360A CN 104061360 A CN104061360 A CN 104061360A CN 201410259760 A CN201410259760 A CN 201410259760A CN 104061360 A CN104061360 A CN 104061360A
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- China
- Prior art keywords
- ring
- seat
- shaft seal
- cylinder
- piston
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a novel piston type pneumatic control pulse valve. The novel piston type pneumatic control pulse valve comprises pipe flanges, a spring, a spring seat, a first shaft sealing seat, a first O-shaped ring, a second O-shaped ring, a first lining ring, a second shaft sealing seat, a third O-shaped ring, a first sealing ring, a cylinder seat, an equal-length double-head bolt of a cylinder, a nut, a spring washer, a seventh O-shaped ring, a piston, a positioning clamp and a left valve seat, wherein the pipe flanges are arranged at the two ends of the pulse valve; the spring is inserted on the spring seat connected with the left end of a piston rod; the first O-shaped ring and the second O-shaped ring are arranged at the connecting position between the left valve seat and the first shaft sealing seat; the first lining ring is arranged at the middle part of the connecting position between the first shaft sealing seat and the outer edge of the right end of the piston rod. The novel piston type pneumatic control pulse valve disclosed by the invention has the advantages that a stainless steel metal sliding block is adopted for replacing a diaphragm, so that the service life of the valve is greatly prolonged; in addition, due to pneumatic control, the safety performance is improved.
Description
Technical field
the present invention relates to a kind of sentinel valve, especially a kind of piston type pneumatic control sentinel valve.
Background technique
traditional piston type pulse valve is comprised of guide's part, valve gap, diaphragm, O shape circle, buffering ring, housing, spool, guide's part connection valve lid, valve gap are connected with diaphragm, O shape circle, housing, buffering ring is stuck in housing, spool is movable part, is all to control rising, contracting and realize the folding of control valve of diaphragm; This sentinel valve is because the pressure difference between diaphragm upper chamber and exhaust passage, bottom is larger, cause diaphragm applied force uneven, the easy fatigue damage of diaphragm, life-span declines, the cost performance of sentinel valve declines, and in addition, general diaphragm is made of rubber, meeting natural aging, the life-span of valve also can be affected; Not only there is obvious defect in existing sentinel valve, yet the Safety performance that traditional electrical pulse is controlled also can reduce on working life.
prior art can not meet people's needs, and for making up prior art deficiency, the present invention aims to provide a kind of piston type pneumatic control sentinel valve.
for achieving the above object, the present invention is by the following technical solutions: a kind of piston type pneumatic control sentinel valve, comprise pipe flange, spring, spring seat, the first shaft seal seat, the first "O"-ring, the second "O"-ring, the first grommet, the second shaft seal seat, the 3rd "O"-ring, the first seal ring, cylinder block, cylinder, the second seal ring, the 4th "O"-ring, circlip for shaft, piston rod, right valve base, the 5th "O"-ring, sealing gasket, seal gasket press cover, the 6th "O"-ring, bolt, equilong threaded stud, nut, spring washer, the 7th "O"-ring, piston, positioning checkpoint and left valve base, described pipe flange is arranged at sentinel valve two ends, described spring is inserted on the spring seat being connected with piston rod left end, described the first "O"-ring and the second "O"-ring are arranged on left valve base and the first shaft seal seat joint, described the first shaft seal seat and middle part, piston rod right-hand member outer rim joint are provided with the first grommet, described the first shaft seal seat and the second shaft seal seat joint are provided with the 3rd "O"-ring, described the second shaft seal seat is arranged at the first shaft seal seat right-hand member, and middle part, piston rod right-hand member outer rim joint is provided with the first seal ring, described cylinder block is arranged between the second shaft seal seat and cylinder, and is connected with cylinder with the second shaft seal seat, described cylinder left end is fixedly connected with the second shaft seal seat, described the second seal ring is arranged between cylinder and piston, described the 4th "O"-ring is arranged at piston and piston rod joint, described circlip for shaft is arranged at piston and two ends, piston rod joint, described the 5th "O"-ring is arranged between sealing gasket and seal gasket press cover, described seal gasket press cover left side and right-hand part are bolted to connection, and in joint, are provided with the 6th "O"-ring, after described right valve base is connected by equilong threaded stud with left valve base, then connect through the fastening nuts at equilong threaded stud two ends, described spring washer is sheathed on equilong threaded stud, and is arranged between nut and left valve base, described the 7th "O"-ring is arranged on cylinder block and cylinder joint, described positioning checkpoint is arranged at seal gasket press cover outer end.
further, described right valve base and shaft seal seat joint are provided with the first "O"-ring and the second "O"-ring equally.
compared with prior art, the invention has the beneficial effects as follows: this piston type pneumatic control sentinel valve, adopt stainless steel metal slide block to replace diaphragm, greatly improved the working life of valve; All metalworks all adopt corrosion-resistant stainless steel, compare with other valves, needn't consider the corrosivity of medium to valve parts, the applicable multiple industry of a kind of valve and medium; The life-span of stainless steel parts will be longer than rubber-like diaphragm greatly, and the life-span of valve is also extended greatly; , away from medium, there is cushion in pneumatic control source between metal parts in valve, and valve and conveyance conduit, almost without electrical spark, have improved the Security of valve greatly; Compact overall structure, applied widely, working life is longer, safe, is easy to promote the use of.
Summary of the invention
Accompanying drawing explanation
fig. 1 is the whole cross-sectional view of the present invention;
wherein: 1, pipe flange, 2, spring, 3, spring seat, 4, the first shaft seal seat, 5, the first "O"-ring, 6, the second "O"-ring, 7, the first grommet, 8, the second shaft seal seat, 9, the 3rd "O"-ring, 10, the first seal ring, 11, cylinder block, 12, cylinder, 13, the second seal ring, 14, the 4th "O"-ring, 15, circlip for shaft, 16, piston rod, 17, right valve base, 18, the 5th "O"-ring, 19, sealing gasket, 20, seal gasket press cover, 21, the 6th "O"-ring, 22, bolt, 23, equilong threaded stud, 24, nut, 25, spring washer, 26, the 7th "O"-ring, 27, piston, 28, positioning checkpoint, 29, left valve base.
Embodiment
below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiments.Embodiment based in the present invention, those of ordinary skills, not making all other embodiments that obtain under creative work prerequisite, belong to the scope of protection of the invention.
refer to Fig. 1, a kind of piston type pneumatic control sentinel valve, comprise pipe flange 1, spring 2, spring seat 3, the first shaft seal seat 4, the first "O"-ring 5, the second "O"-ring 6, the first grommet 7, the second shaft seal seat 8, the 3rd "O"-ring 9, the first seal ring 10, cylinder block 11, cylinder 12, the second seal ring 13, the 4th "O"-ring 14, circlip for shaft 15, piston rod 16, right valve base 17, the 5th "O"-ring 18, sealing gasket 19, seal gasket press cover 20, the 6th "O"-ring 21, bolt 22, equilong threaded stud 23, nut 24, spring washer 25, the 7th "O"-ring 26, piston 27, positioning checkpoint 28 and left valve base 29, described pipe flange 1 is arranged at sentinel valve two ends, described spring 2 is inserted on the spring seat 3 being connected with piston rod 16 left ends, described the first "O"-ring 5 and the second "O"-ring 6 are arranged on left valve base 29 and the first shaft seal seat 4 joints, described the first shaft seal seat 4 is provided with the first grommet 7 with piston rod 16 middle parts, right-hand member outer rim joint, described the first shaft seal seat 4 and the second shaft seal seat 8 joints are provided with the 3rd "O"-ring 9, described the second shaft seal seat 8 is arranged at the first shaft seal seat 4 right-hand members, and piston rod 16 middle parts, right-hand member outer rim joint are provided with the first seal ring 10, described cylinder block 11 is arranged between the second shaft seal seat 8 and cylinder 12, and is connected with cylinder 12 with the second shaft seal seat 8, described cylinder 12 left ends are fixedly connected with the second shaft seal seat 8, described the second seal ring 13 is arranged between cylinder 12 and piston 27, described the 4th "O"-ring 14 is arranged at piston 27 and piston rod 16 joints, described circlip for shaft 15 is arranged at piston 27 and piston rod 16 two ends, joint, described the 5th "O"-ring 18 is arranged between sealing gasket 19 and seal gasket press cover 20, described seal gasket press cover 20 left sides are fixedly connected with by bolt 22 with right-hand part, and in joint, are provided with the 6th "O"-ring 21, after described right valve base 17 is connected by equilong threaded stud 23 with left valve base 29, then be fastenedly connected through the nut 24 at equilong threaded stud 23 two ends, described spring washer 25 is sheathed on equilong threaded stud 23, and is arranged between nut 24 and left valve base 29, described the 7th "O"-ring 26 is arranged on cylinder block 11 and cylinder 12 joints, described positioning checkpoint 28 is arranged at seal gasket press cover 20 outer ends.
further, described right valve base 17 is provided with the first "O"-ring and the second "O"-ring equally with shaft seal seat joint.
the principle of work and power of the present invention is: when control source of the gas enters " opening " mouth of pipe, and chamber A pressurized, in promotion figure, piston slides left, drives piston rod to slide to together left side, and now, the closing face of piston rod and sealing gasket is opened, and medium enters right side flange end; On the contrary, when control source of the gas enters " pass " mouth of pipe, chamber B pressurized, promotes piston, and drives piston rod to slide to together right side, and the surface of contact of piston rod and sealing gasket is closed, makes valve closing.
to those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims rather than above-mentioned explanation, is therefore intended to include in the present invention dropping on the implication that is equal to important document of claim and all changes in scope.Any reference character in claim should be considered as limiting related claim.
the above; it is only preferred embodiment of the present invention; not in order to limit the present invention, any trickle modification that every foundation technical spirit of the present invention is done above embodiment, be equal to and replace and improve, within all should being included in the protection domain of technical solution of the present invention.
Claims (2)
1.
a kind of piston type pneumatic control sentinel valve, comprise pipe flange (1), spring (2), spring seat (3), the first shaft seal seat (4), the first "O"-ring (5), the second "O"-ring (6), the first grommet (7), the second shaft seal seat (8), the 3rd "O"-ring (9), the first seal ring (10), cylinder block (11), cylinder (12), the second seal ring (13), the 4th "O"-ring (14), circlip for shaft (15), piston rod (16), right valve base (17), the 5th "O"-ring (18), sealing gasket (19), seal gasket press cover (20), the 6th "O"-ring (21), bolt (22), equilong threaded stud (23), nut (24), spring washer (25), the 7th "O"-ring (26), piston (27), positioning checkpoint (28) and left valve base (29), it is characterized in that: described pipe flange (1) is arranged at sentinel valve two ends, described spring (2) is inserted on the spring seat (3) being connected with piston rod (16) left end, described the first "O"-ring (5) and the second "O"-ring (6) are arranged on left valve base (29) and the first shaft seal seat (4) joint, described the first shaft seal seat (4) is provided with the first grommet (7) with middle part, piston rod (16) right-hand member outer rim joint, described the first shaft seal seat (4) is provided with the 3rd "O"-ring (9) with the second shaft seal seat (8) joint, described the second shaft seal seat (8) is arranged at the first shaft seal seat (4) right-hand member, and middle part, piston rod (16) right-hand member outer rim joint is provided with the first seal ring (10), described cylinder block (11) is arranged between the second shaft seal seat (8) and cylinder (12), and is connected with cylinder (12) with the second shaft seal seat (8), described cylinder (12) left end is fixedly connected with the second shaft seal seat (8), described the second seal ring (13) is arranged between cylinder (12) and piston (27), described the 4th "O"-ring (14) is arranged at piston (27) and piston rod (16) joint, described circlip for shaft (15) is arranged at piston (27) and piston rod (16) two ends, joint, described the 5th "O"-ring (18) is arranged between sealing gasket (19) and seal gasket press cover (20), described seal gasket press cover (20) left side is fixedly connected with by bolt (22) with right-hand part, and in joint, is provided with the 6th "O"-ring (21), after described right valve base (17) is connected by equilong threaded stud (23) with left valve base (29), then the nut (24) that passes through equilong threaded stud (23) two ends is fastenedly connected, it is upper that described spring washer (25) is sheathed on equilong threaded stud (23), and be arranged between nut (24) and left valve base (29), described the 7th "O"-ring (26) is arranged on cylinder block (11) and cylinder (12) joint, described positioning checkpoint 28 is arranged at seal gasket press cover 20 outer ends.
2.
a kind of piston type pneumatic control sentinel valve according to claim 1, is characterized in that: described right valve base (17) is provided with the first "O"-ring and the second "O"-ring equally with shaft seal seat joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410259760.4A CN104061360A (en) | 2014-06-12 | 2014-06-12 | Novel piston type pneumatic control pulse valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410259760.4A CN104061360A (en) | 2014-06-12 | 2014-06-12 | Novel piston type pneumatic control pulse valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104061360A true CN104061360A (en) | 2014-09-24 |
Family
ID=51549219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410259760.4A Pending CN104061360A (en) | 2014-06-12 | 2014-06-12 | Novel piston type pneumatic control pulse valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104061360A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979339A (en) * | 2017-04-14 | 2017-07-25 | 浙江亚光科技股份有限公司 | Gas pulses valve |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6497251B1 (en) * | 2001-08-06 | 2002-12-24 | Gilmore Valve Co., Ltd. | Hydraulic latching spool valve |
| CN201265693Y (en) * | 2008-09-18 | 2009-07-01 | 浙江化工科技集团有限公司 | Airflow impulse valve |
| CN201269345Y (en) * | 2008-10-21 | 2009-07-08 | 营口流体设备制造(集团)有限公司 | Gas-fluid type piston valve |
-
2014
- 2014-06-12 CN CN201410259760.4A patent/CN104061360A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6497251B1 (en) * | 2001-08-06 | 2002-12-24 | Gilmore Valve Co., Ltd. | Hydraulic latching spool valve |
| CN201265693Y (en) * | 2008-09-18 | 2009-07-01 | 浙江化工科技集团有限公司 | Airflow impulse valve |
| CN201269345Y (en) * | 2008-10-21 | 2009-07-08 | 营口流体设备制造(集团)有限公司 | Gas-fluid type piston valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979339A (en) * | 2017-04-14 | 2017-07-25 | 浙江亚光科技股份有限公司 | Gas pulses valve |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140924 |
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| RJ01 | Rejection of invention patent application after publication |