CN103161969A - Floating sealing environment-friendly push-and-pull valve - Google Patents
Floating sealing environment-friendly push-and-pull valve Download PDFInfo
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- CN103161969A CN103161969A CN2013100992337A CN201310099233A CN103161969A CN 103161969 A CN103161969 A CN 103161969A CN 2013100992337 A CN2013100992337 A CN 2013100992337A CN 201310099233 A CN201310099233 A CN 201310099233A CN 103161969 A CN103161969 A CN 103161969A
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Abstract
The invention provides a floating sealing environment-friendly push-and-pull valve, belongs to the field of sealing valve equipment and particularly relates to the sealing push-and-pull valve by using pressure and elastic components. The valve is characterized in that ring grooves are installed two touching faces of an upper valve (1) and a lower valve (2) respectively. The ring groove is provided with a upper valve seat (9) and a lower valve seat (10)used for positioning a valve plate (3), the upper portion of the upper valve seat (9) is provided with a Y-shaped piston ring (8), wherein the upper surface of the Y-shaped piston ring (8) is communicated with a pressure medium passageway (17), an exist of the pressure medium passageway (17 ) is connected with a pressure source. The valve has the advantages of being reasonable in structure, good and stable in sealing property, free from abrasion, long in service life and the like.
Description
Technical field
Floating seal environmental protection type Push-and-pull valve belongs to the sealed valve apparatus field, is specifically related to a kind of Push-and-pull valve that utilizes pressure and elastic element to seal.
Background technique
at metallurgy, electric power, coking, the mine, in the middle of the pipeline of the transporting system of the industries such as chemical industry, usually can contain the coal gas dust, smoke dust, coal dust, mud, the materials such as slag, and, some ducted material is also with larger pressure, cause and contain the coal gas dust, smoke dust, coal dust, mud, the material of slag etc. is with certain impact force, working environment is very abominable, being arranged on valve on the pipeline of above-mentioned these rugged environment, just to require to have sealability high, simple to operate flexible, be convenient to safeguard, the characteristics such as durable in use, but actual conditions can not reach these requirements.
At present, in above-mentioned rugged environment, at first most widely used sealed valve is ball valve, but in use find, the working life of ball valve is shorter, need to change frequently or maintenance, this be due to spherical valve core in the rotation process of opening or closing, the material webs such as part dust or mud can be entered in the middle of the cavity between spherical spool and valve body, in the course of time, this part dust or mud solidify even cumulative in this cavity, cause spherical valve core to rotate difficulty, until can't rotate, even the spherical valve mandrel is twisted into two parts.And when later period maintenance, be difficult to spherical valve core and valve body are separated, find that even spherical valve core is damaged by dust or mud serious impact with pressure, cause maintenance difficult, therefore, ball valve has not been suitable for above-mentioned working environment.
second, because the valve plate type sealed valve of opening or closing by valve plate begins to be applied to these occasions, mainly contain two kinds of forms of pneumostop and mechanical seal, it is 200910010512.5 Chinese patent such as the patent No., a kind of Gasproof damper valve, this patent is installed a different in nature rubber ring above valve plate, make it that deformation and then compression or disengaging valve plate occur by different in nature rubber ring is exerted pressure and realize valve seal, it is fine that the benefit of this structure is that sealing effect has just begun, but because the special-shaped rubber loop as Sealing directly contacts with valve plate, and only arrange one above valve plate, the still wearing and tearing between inevitable valve plate and valve body and Sealing, still can there be the materials such as dust or mud between valve body and valve plate and Sealing.
Also has a kind of structure, it is 201220108597.8 Chinese patent as number of patent application, this patent is to be respectively equipped with Seal cage on the valve plate two sides, and 2 layers of even multi-layer sealed circle are installed in Seal cage, there is the shortcoming of above-mentioned patent equally in this structure, and the friction of Sealing and valve plate is larger, and the materials such as dust are larger to the friction of valve body, working life is shorter, and then causes sealing to disappear gradually in the process of using.
In a word, many-sided problem that present valve plate type sealed valve exists: one, the unreasonable structure of Sealing causes sealing effect undesirable; Two, Sealing easily weares and teares, and causes sealability in use to disappear gradually; Three, the as easy as rolling off a log dirt that accumulates in valve body further causes the wearing and tearing of valve seat, has shortened the working life of valve, and perhaps dirt remains in the problems such as sealing effect that affect valve plate on valve plate.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provide a kind of good sealing effect, sealability stable, without wearing and tearing, the floating seal environmental protection type Push-and-pull valve that increases the service life.
the technical solution adopted for the present invention to solve the technical problems is: this floating seal environmental protection type Push-and-pull valve, comprise and be bolted be integrated upper, lower valve body, before, rear valve gap, be arranged on, valve plate between lower valve body, drive the valve rod of valve plate traveling priority and the ram of power is provided for valve rod, it is characterized in that: on described, on two surface of contact of lower valve body respectively correspondence be provided with circular groove, install to be used for respectively the valve plate location in circular groove, lower valve base, a Y shape piston ring is installed in the upper valve base top, Y shape piston ring upper surface is communicated with pressure medium channel, Bonding pressure source, pressure medium channel ingress.Promote the Y shape piston ring by pressure medium and move down the compression upper valve base, make upper and lower valve seat hold simultaneously valve plate tightly and realize sealing between upper and lower valve body, and guaranteed good sealing effect.
Described circular groove is provided with inside and outside two circles, comprises inboard upper and lower valve body inner groove and the upper and lower valve body outer groove in the outside, and the valve plate cleaning mechanism is installed in upper and lower valve body inner groove, installs in upper and lower valve body outer groove, lower valve base.Circular groove is set respectively on upper and lower valve body both had been convenient to the installation location of valve plate, be convenient to again batch production, form standarized component.
Described valve plate cleaning mechanism comprise scrape ash ring, under scrape grey ring, upper O-shape ring and lower O-shape ring, upper O-shape ring is arranged on scrapes ash ring top, lower O-shape ring is arranged on down the bottom of scraping the ash ring.Can in time scrape off the dirt and the dust that stick on the valve plate upper and lower surface, and then play the effect of protecting upper and lower valve seat, thereby further extend the working life of upper and lower valve seat and upper and lower valve body.
Outer O shape circle is equipped with in the outside of described upper valve base, and outer O shape circle is fastening by the pressure ring of installing thereunder.Above the Y shape piston ring during pressure release, the spring-back force that outer O shape circle utilizes self takes away upper valve base and the contacting of valve plate a little.
Before and after described upper and lower valve body, both sides connect front valve gap and rear valve gap by flange plate respectively, and rear valve gap is inner for allowing the cavity that valve plate moves, and valve rod is installed in front valve gap.
Described valve plate is provided with discharge hole.
Compared with prior art, the beneficial effect that has of the present invention is:
1, good seal performance, Y shape piston ring top injection pressure medium by pressure source and pressure medium channel in the valve body, promoting the Y shape piston ring by pressure medium moves down in its mounting groove, and then compression upper valve base, make upper and lower valve seat hold valve plate tightly and realize sealing, and guaranteed good sealing effect;
2, long service life: valve plate is selected stainless steel material, be difficult for by the medium erosion, upper and lower valve seat is selected the selflubricating polytetrafluoroethylmaterial material, corrosion-resistant, wear-resistant, when valve opening, the pressure release of Y shape piston ring, only the resilience of outer O shape circle breaks away from and the contacting of valve plate upper and lower valve seat a little, therefore, not friction between valve plate and valve seat, valve seat does not produce wearing and tearing, thereby has extended the working life of valve, through experimental results demonstrate, be four times of Unloading ball valve the working life of this floating seal environmental protection type Push-and-pull valve at least;
3, cleaning is timely, less scaling: for preventing the dirt such as sticking ash or mud on the valve plate face; in upper and lower valve body installed inside the valve plate cleaning mechanism; self tension force by upper and lower O shape circle makes upper and lower scraping ring be close to the upper and lower surface of valve plate; can in time scrape off the dirt and the dust that stick on the valve plate face; and then played the effect of protecting upper and lower valve seat; avoid the granule materials such as dust or mud to the wearing and tearing of upper and lower valve seat or the obstruction that valve plate is moved, thereby further extended the working life of upper and lower valve seat.
Description of drawings
Fig. 1 is floating seal environmental protection type Push-and-pull valve plan view cross-sectional schematic.
Fig. 2 is the A-A cross-sectional schematic of Fig. 1.
Fig. 3 is the local enlarged diagram of the B part of Fig. 2.
wherein: 1, upper valve body 2, lower valve body 3, valve plate 4, front valve gap 5, rear valve gap 6, valve rod 7, ram 8, Y shape piston ring 9, upper valve base 10, lower valve base 11, on scrape ash ring 12, under scrape ash ring 13, upper O-shape ring 14, lower O-shape ring 15, outer O shape circle 16, pressure ring 17, pressure medium channel 18, upper valve body inner groove 19, upper valve body outer groove 20, lower valve body inner groove 21, lower valve body outer groove 22, discharge hole 23, flange.
Embodiment
Fig. 1 ~ 3rd, most preferred embodiment of the present invention, the present invention will be further described below in conjunction with accompanying drawing 1 ~ 3.
With reference to accompanying drawing 1 ~ 3: this floating seal environmental protection type Push-and-pull valve, comprise and be bolted the upper valve body 1 and lower valve body 2, front valve gap 4, the rear valve gap 5 that are integrated, be arranged on valve plate 3 between upper and lower valve body 1,2, drive the valve rod 6 of valve plate 3 traveling priorities and the ram 7 of power is provided for valve rod 6, valve rod 6 one ends are fixedly connected with valve plate 3, the other end connects the clutch end of ram 7, and ram 7 is fixedly mounted on the outside of front valve gap 4.Valve plate 3 selects corrosion resistant stainless steel material to make, upper valve base 9 and lower valve base 10 select the polytetrafluoroethylmaterial material of corrosion-resistant, wear-resistant and selflubricating to make, the upper valve body 1 that connects as one connects front valve gap 4 and rear valve gap 5 by flange 23 respectively with the both sides, front and back of lower valve body 2, rear valve gap 5 is inner for allowing the cavity that valve plate 3 moves, front valve gap 4 is the body of inner hollow, the inner valve rod 6 of installing of body.
On two surface of contact of upper valve body 1 and lower valve body 2 respectively correspondence be provided with circular groove, circular groove is provided with inside and outside two circles, comprise inboard upper valve body inner groove 18 and lower valve body inner groove 20, and the upper valve body outer groove 19 in the outside and lower valve body outer groove 21, interior valve seat 9 and the lower valve base 10 installed respectively of upper valve body outer groove 19 and lower valve body outer groove 21, upper valve base 9 bottom surfaces and lower valve base 10 end faces contact with valve plate 3 respectively, outer O shape circle 15 is equipped with in the outside of upper valve base 9, and outer O shape circle 15 is fastening by the pressure ring 16 of installing thereunder.A Y shape piston ring 8 is installed in upper valve base 9 tops, the opening up setting of Y shape piston ring 8, Y shape piston ring 8 upper shed faces are communicated with pressure medium channels 17, pressure medium channel 17 Bonding pressure sources, ingress, Y shape piston ring 8 bottom surfaces are the plane, contact with upper valve base 9 end faces.
The interior valve plate cleaning mechanism that is symmetrically installed with up and down of upper valve body inner groove 18 and lower valve body inner groove 20, the valve plate cleaning mechanism comprise scrape ash ring 11, under scrape ash ring 12, upper O-shape ring 13 and lower O-shape ring 14, upper O-shape ring 13 is arranged on scrapes grey 11 tops of encircling, lower O-shape ring 14 is arranged on down the bottom of scraping ash ring 12, on scrape ash ring 11 bottom surfaces and under scrape ash ring 12 end faces and contact with valve plate 3 respectively.Valve plate 3 front ends are provided with and upper and lower valve body 1, discharge hole 22 that 2 internal diameters are identical.
Pressure source is connected with ram can connect respectively automatical control system, unifies to control by automatical control system, works respectively.
Working procedure is as follows: this floating seal environmental protection type Push-and-pull valve is used for containing the transportation system of the materials such as coal gas dust, smoke dust, coal dust, mud, slag, when work, provide pressure medium by pressure source in pressure medium channel 17, pressure medium is exerted pressure to Y shape piston ring 8, Y shape piston ring 8 moves down and presses down upper valve base 9 and outer O shape circle 15, deformation is occured by upper valve base 9 compressions in outer O shape circle 15, upper valve base 9 moves down with lower valve base 10 and holds simultaneously valve plate 3 tightly, can realize the sealing of valve plate 3.When pressure source quits work, during the 8 top pressure release of Y shape piston ring, outer O shape circle 15 drives on upper valve base 9 and Y shape piston ring 8 by self spring-back forces and moves, make upper valve base 9 break away from a little surface of contact with valve plate 3, thus, by pressure medium, pressure medium and the outer O shape that Y shape piston ring 8 applies enclosed 15 spring-back force, make Y shape piston ring 8 to fluctuate in upper valve body outer groove 19, valve plate 3 is formed floating sealing, reach good sealing effect and don't have any wearing and tearing.
In addition, scrape on valve plate 3 upper and lower surfaces are contacted ash ring 11 and under scrape ash ring 12 and be close on valve plate 3 upper and lower surfaces by the tension force of upper O-shape ring 13 and lower O-shape ring 14 self respectively, can scrape off timely the dirt and the dust that stick on valve plate 3 upper and lower surfaces, and then guarantee the cleaning of this floating seal environmental protection type Push-and-pull valve inside to extend its working life.
The above is only preferred embodiment of the present invention, is not to be the present invention to be done the restriction of other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment does, still belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.
Claims (6)
1. floating seal environmental protection type Push-and-pull valve, comprise and be bolted be integrated upper, lower valve body (1, 2), before, rear valve gap (4, 5), be arranged on, lower valve body (1, 2) valve plate between (3), drive the valve rod (6) of valve plate (3) traveling priority and the ram (7) of power is provided for valve rod (6), it is characterized in that: on described, lower valve body (1, 2) on two surface of contact respectively correspondence be provided with circular groove, install to be used for respectively valve plate (3) location in circular groove, lower valve base (9, 10), a Y shape piston ring (8) is installed in upper valve base (9) top, Y shape piston ring (8) upper surface is communicated with pressure medium channel (17), Bonding pressure source, pressure medium channel (17) ingress.
2. floating seal environmental protection type Push-and-pull valve according to claim 1, it is characterized in that: described circular groove is provided with inside and outside two circles, comprise inboard upper and lower valve body inner groove (18,20) and the upper and lower valve body outer groove (19,21) in the outside, the valve plate cleaning mechanism is installed in upper and lower valve body inner groove (18,20), and upper and lower valve body outer groove is installed in (19,21), lower valve base (9,10).
3. floating seal environmental protection type Push-and-pull valve according to claim 2, it is characterized in that: described valve plate cleaning mechanism comprise scrape ash ring (11), under scrape ash ring (12), upper O-shape ring (13) and lower O-shape ring (14), upper O-shape ring (13) is arranged on scrapes grey (11) top of encircling, and lower O-shape ring (14) is arranged on down the bottom of scraping ash ring (12).
4. floating seal environmental protection type Push-and-pull valve according to claim 1 and 2 is characterized in that: outer O shape circle (15) is equipped with in the outside of described upper valve base (9), and outer O shape circle (15) is fastening by the pressure ring (16) of installing thereunder.
5. floating seal environmental protection type Push-and-pull valve according to claim 1, it is characterized in that: before and after described upper and lower valve body (1,2), both sides connect front valve gap (4) and rear valve gap (5) by flange plate respectively, the inner cavity for allowing that valve plate (3) is mobile of rear valve gap (5) is installed valve rod (6) in front valve gap (4).
6. floating seal environmental protection type Push-and-pull valve according to claim 1, it is characterized in that: described valve plate (3) is provided with discharge hole (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100992337A CN103161969A (en) | 2013-03-26 | 2013-03-26 | Floating sealing environment-friendly push-and-pull valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100992337A CN103161969A (en) | 2013-03-26 | 2013-03-26 | Floating sealing environment-friendly push-and-pull valve |
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| Publication Number | Publication Date |
|---|---|
| CN103161969A true CN103161969A (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100992337A Pending CN103161969A (en) | 2013-03-26 | 2013-03-26 | Floating sealing environment-friendly push-and-pull valve |
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| CN (1) | CN103161969A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107703A (en) * | 2019-05-06 | 2019-08-09 | 秦皇岛中青冶金阀门有限公司 | A kind of full floating double containment high temperature gate valve |
| CN111022671A (en) * | 2019-11-27 | 2020-04-17 | 铜陵天海流体控制股份有限公司 | Displacement-preventing type soft sealing gate valve and using method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6455478A (en) * | 1987-08-25 | 1989-03-02 | Bridgestone Corp | Gate valve |
| JP4237032B2 (en) * | 2003-11-13 | 2009-03-11 | 株式会社キッツ | On-off valve and exhaust system for semiconductor manufacturing equipment using the same |
| CN203189768U (en) * | 2013-03-26 | 2013-09-11 | 山东鲁临阀门有限公司 | Floating sealing environment-friendly type push-and-pull valve |
-
2013
- 2013-03-26 CN CN2013100992337A patent/CN103161969A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6455478A (en) * | 1987-08-25 | 1989-03-02 | Bridgestone Corp | Gate valve |
| JP4237032B2 (en) * | 2003-11-13 | 2009-03-11 | 株式会社キッツ | On-off valve and exhaust system for semiconductor manufacturing equipment using the same |
| CN203189768U (en) * | 2013-03-26 | 2013-09-11 | 山东鲁临阀门有限公司 | Floating sealing environment-friendly type push-and-pull valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107703A (en) * | 2019-05-06 | 2019-08-09 | 秦皇岛中青冶金阀门有限公司 | A kind of full floating double containment high temperature gate valve |
| CN110107703B (en) * | 2019-05-06 | 2024-05-24 | 秦皇岛中青冶金阀门有限公司 | Full-floating double-sealing high-temperature gate valve |
| CN111022671A (en) * | 2019-11-27 | 2020-04-17 | 铜陵天海流体控制股份有限公司 | Displacement-preventing type soft sealing gate valve and using method thereof |
| CN111022671B (en) * | 2019-11-27 | 2021-06-22 | 铜陵天海流体控制股份有限公司 | Displacement-preventing type soft sealing gate valve and using method thereof |
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Application publication date: 20130619 |