CN102518822B - Pressurizing sealing type glasses valve - Google Patents
Pressurizing sealing type glasses valve Download PDFInfo
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- CN102518822B CN102518822B CN 201110453100 CN201110453100A CN102518822B CN 102518822 B CN102518822 B CN 102518822B CN 201110453100 CN201110453100 CN 201110453100 CN 201110453100 A CN201110453100 A CN 201110453100A CN 102518822 B CN102518822 B CN 102518822B
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Abstract
The invention relates to a pressurizing sealing type glasses valve, which comprises a left valve body, a right valve body, a valve plate and a cylinder. The valve plate is placed between the left valve body and the right valve body, and the cylinder is movably connected to the outside of the right valve body. The pressurizing sealing type glasses valve is characterized in that a piston rod of the cylinder is movably connected with a connecting fork, the connecting fork is movably connected with a start and stop lever, the start and stop lever is sleeved on upper supporting plates of the left valve body and the right valve body, the upper supporting plates and lower supporting plates of the left valve body and the right valve body are fixed with connection fixing devices, the start and stop lever is fixedly sleeved on the valve plate, the upper supporting plate of the left valve body is further fixed with a valve plate positioning mechanism, and a pressurizing type valve plate sealing mechanism is disposed among the valve plate, the left valve body and the right valve body, and is a valve plate pressurizing type sealing mechanism or a flange pressurizing type sealing mechanism. The pressurizing sealing type glasses valve has the advantages of simple structure, low cost, small driving force, reliability in sealing, zero abrasion of sealing and long service life.
Description
Technical field
The present invention relates to a kind of valve technology, belong to the valve field of mechanical technique.
Background technique
Existing a kind of use glasses valve on gas transmission pipelines such as coal gas, sealing is to adopt plane compression type soft sealing structure during valve opening and closing, namely be shaped on the V-type ring shaped slot on sealing valve plate two planes, groove is embedded with the V-type rubber seal, when valve closes is sealed, by the valve clamp device, drive left valve barrel right side flange and move to right, make left and right valve body two flanges compress V-type rubber seal on the valve plate tightly, the seal ring pressurized is realized the closing seam of valve.When valve opening and closing sealed, by the valve release arrangement, pulling left valve barrel flange moved to left, and made the V-type rubber seal on the left and right valve body two flanges disengaging valve plate, and valve opens and closes commutation.And then by the valve clamp device, drive left valve barrel right side flange and move to right, make left and right valve body two flanges compress V-type rubber seal on the valve plate tightly, the seal ring pressurized is realized the opening encapsulation of valve.The movement of left valve barrel right side flange is by the elongation that is welded on the stainless steel wave literary composition pipe between the left valve barrel the other end and the flange or shortens and realize.Such glasses valve, complex structure, cost of production height, big, the bellow easy-rupturing damage of driving force have defectives such as weak point in working life, poor sealing performance, easy leakage.
Summary of the invention
The objective of the invention is to be to provide a kind of simple in structure, pressurising sealed type glasses valve of producing low, good seal performance, long service life, as long as to the pore pressurized gas on valve plate or the flange or release gas, just can realize valve seal and commutation.
The technical solution used in the present invention is:
Pressurising sealed type glasses valve, comprise left valve barrel, right valve barrel, valve plate and cylinder, described valve plate places between left valve barrel and the right valve barrel, described cylinder is movably connected in the outside of right valve barrel, the piston rod of cylinder and coupling yoke flexibly connect, described coupling yoke and start and stop lever flexibly connect, described start and stop lever is sleeved on the upper bearing plate of left valve barrel and right valve barrel, all fixedly be connected and fixed device on the upper and lower support plate of the upper bearing plate of left valve barrel and right valve barrel, described start and stop lever suit is fixed on the valve plate, the valve plate positioning means is also fixedly arranged on the upper bearing plate of described left valve barrel, described valve plate and a left side, be provided with pressurized type valve plate sealing mechanism between the right valve barrel, described pressurized type valve plate sealing mechanism is valve plate pressurized type sealing mechanism or flange pressurized type sealing mechanism.
Described fixing device is connecting rod, and a connecting rod is fixedly arranged on the upper bearing plate of described left valve barrel and right valve barrel, and two connecting rods are fixedly arranged on the lower support plate of described left valve barrel and right valve barrel.
Described valve plate positioning means comprises positioning cylinder, and positioning cylinder is provided with the positioning piston bar, and the valve plate corresponding with the positioning piston bar is provided with positioning hole.
Described valve plate pressurized type sealing mechanism comprise the sealing plate that is separately fixed on the valve body of the left and right sides, be fixed in seal ring and the pressing plate of valve plate both sides, described pressing plate is located at the seal ring outside, described pressing plate all is fixed on the valve plate both sides up and down, and described pressing plate middle part has sealed mouth; Described valve plate is provided with air-filled pore, and described air-filled pore one end is connected with source of the gas, and described air-filled pore two ends in addition is communicated with respectively in the middle part of the seal ring of valve plate both sides.
Described flange pressurized type sealing mechanism comprises sealing flange, pressing plate and seal ring, described valve plate both sides are provided with pressing plate, described pressing plate is fixedlyed connected with sealing flange at two ends up and down, seal ring is fixedly arranged between described pressing plate and the sealing flange, described pressing plate middle part has sealed mouth, all have air-filled pore on the sealing flange of described valve plate both sides, described air-filled pore one end is connected with source of the gas, described air-filled pore the other end communication seals circle middle part.
Described seal ring is the bowl seal circle that silicone rubber is made.
The using method of valve of the present invention:
Mode one: when valve was in the closure or openness sealing, by the air-filled pore on the valve plate is inflated, annular seal space air pressure increased expansion, and the sealing plate that seal ring compresses left and right valve body makes valve seal.When valve opening and closing commutated, the air-filled pore of opening on the valve plate made air venting, and seal ring is replied and broken away from sealing plate, realizes the valve opening and closing commutation.
Mode two: when valve was in the closure or openness sealing, by air-filled pore on the left and right valve seal flange is inflated, annular seal space air pressure increased, and the seal ring elastic expansion compresses valve plate and forms sealing.When the need valve opening and closing seals, open the air-filled pore air venting on the sealing flange, the seal ring elastic recovery breaks away from valve plate, realizes the valve opening and closing sealing.
The invention has the beneficial effects as follows: saved original locking and release arrangement, removed the corrugated stainless steel tubing connecting body, simplified production procedure, made cost of production reduce by 50%.That the present invention also has is simple in structure, driving force is little, sealing is reliable, and advantages such as sealing zero-abrasion and long service life.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is A place enlarged view among Fig. 1.
Fig. 3 is the structural representation of the embodiment of the invention 2.
Fig. 4 is the embodiment of the invention 2 sealing mechanism structural representations.
Structural representation when Fig. 5 opens for valve plate of the present invention.
Wherein: 1, left valve barrel, 2, right valve barrel, 3, valve plate, 4, cylinder, 5, piston rod, 6, coupling yoke, 7, start and stop lever, 8, upper bearing plate, 9, lower support plate, 10, connecting rod, 11, positioning cylinder, 12, the positioning piston bar, 13, positioning hole, 14, sealing plate, 15, seal ring, 16, pressing plate, 17, sealed mouth, 18, air-filled pore, 19, sealing flange.
Embodiment
Embodiment 1
As Fig. 1, shown in 2 and 5, pressurising sealed type glasses valve of the present invention, comprise left valve barrel 1, right valve barrel 2, valve plate 3 and cylinder 4, valve plate 3 places between left valve barrel 1 and the right valve barrel 2, cylinder 4 is movably connected in the outside of right valve barrel 2, the piston rod 5 of cylinder 4 flexibly connects with coupling yoke 6, coupling yoke 6 flexibly connects with start and stop lever 7, start and stop lever 7 is sleeved on the upper bearing plate 8 of left valve barrel 1 and right valve barrel 2, all fixedly be connected and fixed device on upper bearing plate 8 upper and lower supporting 9 plates of left valve barrel 1 and right valve barrel 2, this is connected and fixed device is connecting rod 10, a connecting rod 10 is fixedly arranged on the upper bearing plate 8 of left valve barrel 1 and right valve barrel 2, two connecting rods 10 are fixedly arranged on the lower support plate 9 of left valve barrel 1 and right valve barrel 2.Start and stop lever 7 suits are fixed on the valve plate 3, the valve plate positioning means is also fixedly arranged on the upper bearing plate 8 of left valve barrel 1, this described valve plate positioning means comprises positioning cylinder 11, and positioning cylinder 11 is provided with positioning piston bar 12, and the valve plate 3 corresponding with positioning piston bar 12 is provided with positioning hole 13.Valve plate 3 and left and right valve body are provided with pressurized type valve plate sealing mechanism between (1,2), this pressurized type valve plate sealing mechanism is valve plate pressurized type sealing mechanism, this valve plate pressurized type sealing mechanism comprises the sealing plate 14 that is separately fixed on the left and right sides valve body (1,2), the seal ring 15 that is fixed in valve plate 3 both sides and pressing plate 16, pressing plate 16 is located at seal ring 15 outsides, pressing plate all is fixed on the valve plate 3 both sides about in the of 16, and pressing plate 16 middle parts have sealed mouth 17; Valve plate 3 is provided with air-filled pore 18, and air-filled pore 18 1 ends are connected with source of the gas, and air-filled pore 18 other two ends are communicated with seal ring 15 middle parts of valve plate 3 both sides respectively.The bowl seal circle that seal ring 15 of the present invention is made for silicone rubber.
Embodiment 2
Shown in Fig. 3,4 and 5, pressurized type valve plate sealing mechanism of the present invention is flange pressurized type sealing mechanism, this flange pressurized type sealing mechanism comprises sealing flange 19, pressing plate 16 and seal ring 15, valve plate 3 both sides are provided with pressing plate 16, pressing plate is fixedlyed connected with sealing flange 19 at two ends about in the of 16, between pressing plate 16 and the sealing flange 19 seal ring 15 is arranged fixedly, pressing plate 16 middle parts have sealed mouth 17, all have air-filled pore 18 on the sealing flange 19 of valve plate 3 both sides, air-filled pore 18 1 ends are connected with source of the gas, air-filled pore 18 the other end communication seals circles 15 middle parts.All the other structures are with embodiment 1.
The using method of valve of the present invention:
Mode one: when valve was in the closure or openness sealing, by the air-filled pore 18 on the valve plate 3 is inflated, annular seal space air pressure increased expansion, and the sealing plate 14 that seal ring 15 compresses left and right valve body (1,2) makes valve seal.When valve opening and closing commutated, the air-filled pore of opening on the valve plate 3 18 made air venting, and seal ring 15 is replied and broken away from sealing plate 14, realizes the valve opening and closing commutation.
Mode two: when valve was in the closure or openness sealing, by air-filled pore on left and right valve body (1, the 2) sealing flange 19 18 is inflated, annular seal space air pressure increased, and seal ring 15 elastic expansions compress valve plate 3 and form sealing.When the need valve opening and closing seals, open air-filled pore 18 air ventings on the sealing flange 19, seal ring 15 elastic recoverys break away from valve plate, realize the valve opening and closing sealing.
The invention has the beneficial effects as follows: saved original locking and release arrangement, removed the corrugated stainless steel tubing connecting body, simplified production procedure, made cost of production reduce by 50%.That the present invention also has is simple in structure, driving force is little, sealing is reliable, and advantages such as sealing zero-abrasion and long service life.
Claims (2)
1. pressurising sealed type glasses valve, comprise left valve barrel, right valve barrel, valve plate and cylinder, described valve plate places between left valve barrel and the right valve barrel, described cylinder is movably connected in the outside of right valve barrel, it is characterized in that: the piston rod of cylinder and coupling yoke flexibly connect, described coupling yoke and start and stop lever flexibly connect, described start and stop lever is sleeved on the upper bearing plate of left valve barrel and right valve barrel, all fixedly be connected and fixed device on the upper and lower support plate of the upper bearing plate of left valve barrel and right valve barrel, described start and stop lever suit is fixed on the valve plate, the valve plate positioning means is also fixedly arranged on the upper bearing plate of described left valve barrel, described valve plate and a left side, be provided with pressurized type valve plate sealing mechanism between the right valve barrel, described pressurized type valve plate sealing mechanism is valve plate pressurized type sealing mechanism or flange pressurized type sealing mechanism;
Described fixing device is connecting rod, and a connecting rod is fixedly arranged on the upper bearing plate of described left valve barrel and right valve barrel, and two connecting rods are fixedly arranged on the lower support plate of described left valve barrel and right valve barrel;
Described valve plate positioning means comprises positioning cylinder, and positioning cylinder is provided with the positioning piston bar, and the valve plate corresponding with the positioning piston bar is provided with positioning hole;
Described valve plate pressurized type sealing mechanism comprise the sealing plate that is separately fixed on the valve body of the left and right sides, be fixed in seal ring and the pressing plate of valve plate both sides, described pressing plate is located at the seal ring outside, described pressing plate all is fixed on the valve plate both sides up and down, and described pressing plate middle part has sealed mouth; Described valve plate is provided with air-filled pore, and described air-filled pore one end is connected with source of the gas, and described air-filled pore two ends in addition is communicated with respectively in the middle part of the seal ring of valve plate both sides;
Described flange pressurized type sealing mechanism comprises sealing flange, pressing plate and seal ring, described valve plate both sides are provided with pressing plate, described pressing plate is fixedlyed connected with sealing flange at two ends up and down, seal ring is fixedly arranged between described pressing plate and the sealing flange, described pressing plate middle part has sealed mouth, all have air-filled pore on the sealing flange of described valve plate both sides, described air-filled pore one end is connected with source of the gas, described air-filled pore the other end communication seals circle middle part.
2. pressurising sealed type glasses valve according to claim 1, it is characterized in that: described seal ring is the bowl seal circle that silicone rubber is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110453100 CN102518822B (en) | 2011-12-30 | 2011-12-30 | Pressurizing sealing type glasses valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110453100 CN102518822B (en) | 2011-12-30 | 2011-12-30 | Pressurizing sealing type glasses valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102518822A CN102518822A (en) | 2012-06-27 |
| CN102518822B true CN102518822B (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110453100 Active CN102518822B (en) | 2011-12-30 | 2011-12-30 | Pressurizing sealing type glasses valve |
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| CN (1) | CN102518822B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103433437B (en) * | 2012-11-30 | 2015-07-01 | 山西方盛液压机电设备有限公司 | Vertical parting flaskless shoot-squeeze clay-bonded sand automatic molding machine |
| CN107701745A (en) * | 2017-10-26 | 2018-02-16 | 江苏神通阀门股份有限公司 | The sealing device of high temperature glasses valve |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2156358Y (en) * | 1992-12-28 | 1994-02-16 | 刘得方 | Filling pressure sealing glasses valve |
| CN201221611Y (en) * | 2008-06-30 | 2009-04-15 | 付志会 | Blind plate valve of simple structure |
| TWI486533B (en) * | 2010-09-16 | 2015-06-01 | Tyco Valves & Controls Lp | Improved sleeve seal for gate valves |
| CN202402676U (en) * | 2011-12-30 | 2012-08-29 | 启东市冶金机械有限公司 | Flange pressurized-sealed type glasses valve |
| CN202402675U (en) * | 2011-12-30 | 2012-08-29 | 启东市冶金机械有限公司 | Valve plate pressurization sealing type glasses valve |
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| CN102518822A (en) | 2012-06-27 |
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Effective date of registration: 20211029 Address after: 226200 No. 1, Kaixuan Road, Qidong Economic Development Zone, Nantong City, Jiangsu Province Patentee after: QIDONG CHUANGLYU GREENING ENGINEERING Co.,Ltd. Address before: 226200 Fuyuan Road, Qidong Economic Development Zone, Nantong City, Jiangsu Province Patentee before: Qidong Metallurgical Machinery Co.,Ltd. |
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