CN1309257A - Gate valve with rubber liner - Google Patents
Gate valve with rubber liner Download PDFInfo
- Publication number
- CN1309257A CN1309257A CN 00110120 CN00110120A CN1309257A CN 1309257 A CN1309257 A CN 1309257A CN 00110120 CN00110120 CN 00110120 CN 00110120 A CN00110120 A CN 00110120A CN 1309257 A CN1309257 A CN 1309257A
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- rubber
- line
- valve body
- valve
- structural framework
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Abstract
A gate valve with rubber liner for delivering slurry medium structurally features that its flange body with rubber liner is composed of a pair of flanges with lining rubber barrels, which are butt linked via valve body in interference fit when the valve is opened. Two cylindrical protecting sleeves are arranged on sides of said two flanges. Two symmetrical cavities between two protecting sleeves and two lining rubber barrels contain pre-embedded skeleton and restoring spring in each. Its advantages are high static and dynamic sealing, and high antiwear and anticorrosion performance.
Description
The present invention relates to a kind of gate valve that slurry medium is carried usefulness of controlling, particularly relate to a kind of gate valve with rubber liner.
At present, the break-make of slurry medium and flow in the pilot line adopt gate valve, butterfly valve usually, as coal slurry valve, air water valve, mud valve, slag-off valve etc.The shortcoming that these valves exist is that the sealing effect of Sealing is undesirable, and wear-resisting and poor corrosion resistance, thus the working life of having reduced Sealing.A kind of line with rubber gate valve produced in USA, this valve is in the flange body of a butt joint, be lined with packing element respectively, two packing elements are not when flashboard turn-offs, its interface is in the interference mated condition, with etch and the wearing and tearing to valve flange of the medium that prevents to carry in the pipeline, when barrier gate, flashboard then pushes through two line with rubber tube end faces and crosses the purpose of ne-leakage throttle down.Owing to be to only depend on the natural interference fit of the end face of line with rubber tube to realize between two line with rubber tubes or the sealing between line with rubber tube and the flashboard, therefore easily produce two line with rubber tubes butt joint end face and cut damage, influence the sealing of valve.
Purpose of the present invention provides a kind of line with rubber tube that makes and can reset fast when flashboard leaves interface, and does not turn over the gate valve with rubber liner of lip when flashboard inserts interface.
Purpose of the present invention, realize by following technical proposals: gate valve with rubber liner is by drive part, conjuncted, working portion is formed, wherein working portion comprises flashboard, valve body and line with rubber flange body, its structure outline is the line with rubber flange body by a pair of line with rubber flange that is lined with the line with rubber tube by valve body to being connected into, its interface, when valve wide open, be in the interference mated condition, on the sidewall of the rear end of the line with rubber flange of two butt joints, in the chamber of valve body, be respectively equipped with the sheath of a tubular structure, form the annular clamping cavity of two symmetries between two sheaths and two line with rubber tubes, in two annular clamping cavities, be provided with to give respectively and bury structural framework and telescopic Returnning spring group, two are given that to bury structural framework be the T font structure, its lower end surface docks mutually, forms I-shape construction, the cartridge type Returnning spring group in the folder chamber at its end face difference roof pressure place, upper end, two give bury structural framework can be in folder chamber separately a left side, move right, make cartridge type Returnning spring group compression or reset.
Be filled with the light substance material in the valve pocket of described valve body, and be provided with plup inlet in the appropriate location of valve body.
Described two T fonts are given on the madial wall that buries structural framework and are lined with colloid, and its joint is provided with the ring packing cushion rubber that is formed by colloid interference butt joint, and the sealing cushion rubber has forward extension lip and reverse extension lip.
The material of described line with rubber tube can make corresponding changes according to the difference of the medium of being carried.
Major advantage of the present invention:
1, wear-resisting, decay resistance is high.
Because the material of line with rubber body can make corresponding changes according to the medium situation of carrying, therefore improved the wear-resisting and corrosion resistance of line with rubber body greatly.
2, the static sealing performance is good
When opening a sluice gate state, the interface of the line with rubber flange of two butt joints is in the interference fit state, can reach good sealing effect.
3, dynamic sealing performance is good, and the lip phenomenon can not occur turning over.
The present invention is because in the structure of the sealing surface of line with rubber flange body, adopted to give and buried structural framework and telescopic cluster spring, when plug-in strip is extracted interface out, thereby being resetted rapidly, the line with rubber interface reached the purpose of dynamic seal (packing), again owing on the sidewall of the rear end of line with rubber flange, be provided with ring jacket, thereby prevented that colloid behind the line with rubber flange body pressurized from turning over the phenomenon of lip in valve pocket, also prevented flashboard when closing simultaneously, the pressurized colloid is piled up to a side.
Fig. 1 is the structural representation of gate valve with rubber liner of the present invention, and Fig. 2 is the side view of Fig. 1, and Fig. 3 is the structural representation of line with rubber flange body.The invention will be further described below in conjunction with accompanying drawing.
The present invention, promptly gate valve with rubber liner comprises drive part, conjuncted, working portion.Drive part is manually, and manually part comprises handle 1, driveshaft 2.Working portion comprises flashboard 3, valve body 4, a pair of by valve body 4 butt joints and be lined with the line with rubber flange 7 and 8 of line with rubber tube 5 and 6.The upper end of flashboard 3 and driveshaft 2 are coupling.Conjuncted 9 with valve body 4 connect into an overall structure.
After preventing line with rubber flange 7 and 8 pressurizeds, the lip phenomenon appears turning in colloid in valve pocket, simultaneously prevent that also flashboard 3 is when cutting out, flashboard 3 is subjected to the meson uniaxial pressure, colloid is piled up, on the sidewall of the line with rubber flange 7 of two butt joints and 8 rear ends, in the chamber of valve body 4 to a side, be respectively equipped with the annular clamping cavity 14 and 15 that forms two symmetries between the sheath 10 of a tubular structure and 11, two sheaths 10 and 11 and two line with rubber tubes 5 and 6.
, interference fit turns over lip because of producing in order to prevent line with rubber tube 5 and 6 butt ends, before line with rubber flange 7 and 8 butt joints, to give and bury structural framework 16 and telescopic Returnning spring group 18 is inserted in the annular clamping cavity 14, to give again and bury structural framework 17 and telescopic Returnning spring group 19 is inserted in the annular clamping cavity 15, two are given and bury structural framework 16 and 17 for the T font structure, be lined with colloid on its madial wall, when two line with rubber flange butt joints, dock mutually its lower end surface, form I-shaped structure, its joint is provided with the ring packing cushion rubber that is formed by colloid interference butt joint, and the sealing cushion rubber has forward extension lip 20 and reverse extension lip 21.Its upper end end face respectively telescopic Returnning spring group 18 in the annular clamping cavity 14 and 15 at roof pressure place and 19, two gives and buries structural framework 16 and 17 left and right moving annular clamping cavity 14 and 15 in respectively, makes telescopic Returnning spring group 18 and 19 compress or reset.
In order to prevent that further medium from passing through the outside seepage in butt end of line with rubber tube 5 and 6 and improving the sealability of flashboard 3 in switching process, charges into light substance material 12, and be provided with plup inlet 13 on valve body 4 in valve body 4.
During use, if want cut-off valve, driveshaft 2 promotes flashboards 3 and moves down, and pushes open to give and bury structural framework 16 and 17, enters between the line with rubber tube 5 and 6 of interference butt joint, with flashboard 3 times on earth, blocks MEDIA FLOW siphunculus road at last.When playing flashboard 3, driveshaft 2 drives on the flashboards 3 and moves, and successively leaves the line with rubber tube 5 and 6 and give and bury structural framework 16 and 17 of interference butt joint.This moment, telescopic Returnning spring group 18 and 19 resetted, and promoted simultaneously to give to bury structural framework 16 and 17 and reset.
Drive part of the present invention also can adopt Mechanical Driven or hydraulic driving.
Claims (3)
1, gate valve with rubber liner comprises drive part, conjuncted, working portion, and drive part comprises handle (1), driveshaft (2); Working portion comprises flashboard (3), valve body (4) and a pair of line with rubber flange (7) and (8) of docking and being lined with line with rubber tube (5) and (6) by valve body (4), the upper end of flashboard (3) and driveshaft (2) are coupling, conjuncted (9) connect into an overall structure with valve body (4), it is characterized in that on the sidewall of the line with rubber flange (7) of two butt joints and (8) rear end, in the chamber of valve body (4), be respectively equipped with sheath (10) and (11) of a tubular structure, form annular clamping cavity (14) and (15) of two symmetries between two sheaths (10) and (11) and two line with rubber tubes (5) and (6), in annular clamping cavity (14), be provided with to give respectively and bury structural framework (16) and telescopic Returnning spring group (18), in annular clamping cavity (15), be provided with to give and bury structural framework (17) and telescopic Returnning spring group (19), two are given and bury structural framework (16) and (17) and be the T font structure, its lower end surface docks mutually, form I-shape construction, its upper end end face is the annular clamping cavity (14) and (15) interior cartridge type Returnning spring group (18) and (19) at roof pressure place respectively, two are given and bury structural framework (16) and (a 17) left side in annular clamping cavity (14) and (15) respectively, move right, make telescopic Returnning spring group (18) and (19) compress or reset.
2, gate valve with rubber liner according to claim 1 is characterized in that being filled with light substance material (12) in the valve pocket of described valve body (4), and is provided with plup inlet (13) in the appropriate location of valve body (4).
3, gate valve with rubber liner according to claim 1, it is characterized in that described two T fonts are given on the madial wall that buries structural framework is lined with colloid, its joint is provided with the ring packing cushion rubber that is formed by colloid interference butt joint, and the sealing cushion rubber has forward extension lip (20) and reverse extension lip (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00110120 CN1309257A (en) | 2000-02-17 | 2000-02-17 | Gate valve with rubber liner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00110120 CN1309257A (en) | 2000-02-17 | 2000-02-17 | Gate valve with rubber liner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1309257A true CN1309257A (en) | 2001-08-22 |
Family
ID=4580136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00110120 Pending CN1309257A (en) | 2000-02-17 | 2000-02-17 | Gate valve with rubber liner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1309257A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557342A (en) * | 2013-11-11 | 2014-02-05 | 上海飞球阀门有限公司 | High-temperature-resisting and wear-resisting coal-to-liquid special valve |
-
2000
- 2000-02-17 CN CN 00110120 patent/CN1309257A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557342A (en) * | 2013-11-11 | 2014-02-05 | 上海飞球阀门有限公司 | High-temperature-resisting and wear-resisting coal-to-liquid special valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |