CN2605429Y - Superhard sealing compositive valve - Google Patents
Superhard sealing compositive valve Download PDFInfo
- Publication number
- CN2605429Y CN2605429Y CN 03227217 CN03227217U CN2605429Y CN 2605429 Y CN2605429 Y CN 2605429Y CN 03227217 CN03227217 CN 03227217 CN 03227217 U CN03227217 U CN 03227217U CN 2605429 Y CN2605429 Y CN 2605429Y
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- CN
- China
- Prior art keywords
- valve
- gear
- superhard
- core assembly
- mangetic core
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- Expired - Lifetime
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Abstract
An extrahard seal combination valve consists of a valve body (17), a valve base (13), a hand wheel (2), a valve seat bracket (23), a cover board for the bracket (1), and an assemble spool valve. The utility model is characterized in that the hand wheel(2) forms a double link gear, together with a duplicate gear(26) connected with the driving gear under the hand wheel(2) and the deflector rod gear(7) joggled and moving with the duplicate gear(26); the two separated gear shaft of the double link gear manipulates the valve plug components A and the valve plug components B; the over-current passage(19) which is arranged on the valve seat(13) and the valve body(17) and formed by the valve seat(13) and the valve body(17) forms two compound seal structure in a sealed structure with the front part and the back part all being sealed.
Description
Technical field
The utility model relates to a kind of superhard sealed composite valve, belongs to the pressure valve class, refers in particular in use in the high temperature, high-pressure system of industries such as being applicable to electric power, petrochemical industry anti-to leak valve.
Technical background
According to the investigation of the inventor to electric power, petrochemical industry, the valve that the sector is used at present almost relates to all kinds of valves of present valve industry, but mainly is based on stop valve, ball valve, gate valve, dish valve, stopcock etc.Valve one its effect as its name suggests has been the shutoff effect, promptly requires close dead non-internal leakage fully when closing; Then should open fully when requiring to open, not do throttling and use.But its most tangible structural feature of valve that present above-mentioned industry is used has two, and one is the single valve body; It two is single sealing configuration.Though above-mentioned all kinds of valve generally has the advantage of fairly simple structure, but for such valve that is applied to industry high temperature such as electric power, petrochemical industry, high-pressure system, because abominable operating mode (high temperature, high pressure, big pressure reduction) often causes valve at short notice or promptly begin interior leakage behind few number of times of operation in this system, produces this in the reason of leakage be that the sealing surface of present employed conventional valves is by high temperature that carried, high pressure logistics oxidation or erosion.Therefore, for many years,, do not break away from the traditional structural design thinking of single sealing surface sealing and single valve body all the time on valve mechanism and seal face materials though numerous manufacturer constantly improves.
In sum as seen: seeking a kind of brand new, be applicable to the desirable valve that electric power and petrochemical industry high temperature, hyperbaric environment are used, promptly is that valve manufacturer also is a kind of expectation of all electric power and petrochemical system applying unit.
Technology contents
The purpose of the present utility model: the reliable valves that electric power and petrochemical industry department high temperature and high pressure environment use that is applicable to that aims to provide a kind of novelty.
This superhard sealed composite valve is made up of valve body (17), valve seat (13), handwheel (2), valve seat support (23), rack plate (1) and combination valve core etc., it is characterized in that described handwheel (2) is by a duplex gear (26) that is connected with driving gear (5) under this handwheel (2) and a bidentate wheel of driving lever gear (7) the composition linking mechanism that links with this duplicate gear (26) engagement; And, go up the compound sealing structure of the forward and backward sealing form of formation twice in the flow channels (19) that is provided with and forms at valve seat (13) and valve body (17) by mangetic core assembly A and the mangetic core assembly B that handled by two gear shafts (3,6) independently.
Described mangetic core assembly A is a kind of mangetic core assembly of stop valve.
Described mangetic core assembly B is a kind of mangetic core assembly of ball valve.
The sealing surface of described spool should be made by the superhard alloy material, or scribbles the superhard alloy material coating.
According to this superhard sealed composite valve that above technological scheme proposes, to compare with the existing all kinds of monomer valve that are used for similar work condition environment, its advantage is as follows:
1, owing to adopt the above sealing configuration of twice, makes the forward end seal structure in closing closed procedure, play decompression, throttling, seal action, the back-end sealing structure has been played fabulous protective action; Thereby make back-end sealing after forward end seal is leaked, still can effectively guarantee tight seal.
2, owing to adopt above-mentioned composite structure, and on the material that sealing surface adopts, adopt superhard extraordinary cemented carbide or its coating raw material, thereby greatly improved the compressive strength of sealing surface, high temperature oxidation resistance and scour resistance are so can make valve greatly improve working life on the whole.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model;
It is a kind of embodiment with stop valve one ball valve series
Among the figure: 1, rack plate 2, handwheel 3, double crosslinking gear shaft 4, driving lever A5, driving gear 6, driving lever gear shaft 7, driving lever gear 8, driving lever B 9, thrust-bearing 10, swingle B 11, gland 12, packing ring 13, valve seat 14, spheroid 15, sealing seat 16, butterfly spring abutment assembly 17, valve body 18, spool 19, flow channels 20, attachment screw 21, flap nut 22, flap 23, valve seat support 24, valve rod A26, Stem Mut 27, duplicate gear A, mangetic core assembly B, mangetic core assembly
Embodiment
Further set forth the present invention below in conjunction with accompanying drawing, and provide embodiment of the present utility model.What wherein Fig. 1 provided is of the present utility model a kind of basic design form and the operating principle that this practicality matches and forms with stop valve and ball valve.
The valve of showing among the figure is a fully open position, when handwheel (2) in the direction of the clock the rotating band driving gear (5) of starting on the wheel shaft also turn clockwise, and the duplicate gear (27) with its engagement is rotated counterclockwise by it, owing to be provided with the small gear of a band Stem Mut (26) on the bottom axis body of this duplicate gear (27) in addition; This Stem Mut (26) is when doing counterclockwise to rotate synchronously with duplicate gear (27), under the effect of the left-handed thread that in Stem Mut (26), is provided with, make the valve rod A (24) that matches with it do descending motion, certainly, the mangetic core assembly A of valve rod A (24) bottom is also descended synchronously.
Meanwhile, small gear on the duplicate gear (27) also drives dead man gear (7) simultaneously and does the clockwise direction rotation, the dead man B (8) that is located at this dead man gear (7) also rotates synchronously, also the affixed swingle (10) of drive and dead man B (8) clockwise rotates simultaneously, and the valve rod B (25) that is connected with the bottom by this swingle (10) again is continuous, and the mangetic core assembly B that this valve rod B (25) drives the composition ball valve again clockwise rotates.Owing on the rotation circumference of ball valve, be provided with positioning device, its slewing area is 90 ° of scopes setting, its positioning device is made up of two spring blocks, just can drive dead man B (8) when dead man A (4) rotates contact dead man B (8) clockwise rotates, when being placed to 90 ° of angles, dead man B (8) meets a spring block and stops, this moment, dead man A (4) pressure spring continued rotation until slipping over this block, and dead man A (4) is stopped by spring block then to be positioned at 90 ° of positions static; And the half-twist of the spheroid (14) among this moment spool assembly parts B, this section flow channels (19) is closed fully, because this moment, full pipeline system was in no media flow, pressure reduction then is zero, the valve rod A (24) of front end stop valve continues to decline, owing to there is not pressure reduction this moment, therefore the mangetic core assembly A of stop valve can tightly engage with lower seat like a cork and close, close in the closed procedure at this, dead man A (4) repeatedly pressure spring retaining determines, and continues rotation, directly ends the mangetic core assembly A tight closing of stop valve, dead man B (8) then is positioned at 90 ° all the time, ball valve tight closing position.Finish the complete closing operation of valve this moment when handwheel can't continue to rotate, and makes the complete tight closing of valve.Otherwise the overall process of opening then is omnidistance.
This combination valve, in actual design, can carry out the collocation of various valve type structures according to usage requirement, for five kinds of valve types that generally adopt in the present valve industry: stop valve, ball valve, gate valve, dish valve, stopcock, can be with the valve core structure of any valve, use forms the combination valve of multiple combination in the linkage structure that the utility model proposes.Both can form stop valve-ball valve series, also mouth is to make stop valve-stop valve series, ball valve-ball valve, ball valve-gate valve, stop valve-stopcock, stop valve-gate valve, ball valve-stopcock ... the multiple structural type of different series, require to provide the valve of different structure form according to the difference of system for use in carrying, thoroughly leak the effective ways of a difficult problem beyond doubt in the radical cure door.
Do high pressure, resistance to high temperature oxidation, scour resistance for what improve combination valve, its seal face materials with core adopts superhard extraordinary cemented carbide and cladding material processing thereof.
Claims (4)
1, a kind of superhard sealed composite valve is made up of valve body (17), valve seat (13), handwheel (2), valve seat support (23), rack plate (1) and combination valve core, it is characterized in that described handwheel (2) is by a duplex gear (26) that is connected with driving gear (5) under this handwheel (2) and a bidentate wheel of driving lever gear (7) the composition linking mechanism that links with this duplicate gear (26) engagement; And, go up the compound sealing structure of the forward and backward sealing form of formation twice in the flow channels (19) that is provided with and forms at valve seat (13) and valve body (17) by mangetic core assembly A and the mangetic core assembly B that handled by two gear shafts (3,6) independently.
2, a kind of superhard sealed composite valve as claimed in claim 1, it is characterized in that reporting the mangetic core assembly A that states is a kind of mangetic core assembly of stop valve.
3, a kind of superhard sealed composite valve as claimed in claim 1 is characterized in that described mangetic core assembly B is a kind of mangetic core assembly of ball valve.
4, a kind of superhard sealed composite valve as claimed in claim 1 is characterized in that the sealing surface of described spool should be made by the superhard alloy material, or scribble the superhard alloy coating on sealing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03227217 CN2605429Y (en) | 2003-03-26 | 2003-03-26 | Superhard sealing compositive valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03227217 CN2605429Y (en) | 2003-03-26 | 2003-03-26 | Superhard sealing compositive valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2605429Y true CN2605429Y (en) | 2004-03-03 |
Family
ID=34163998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03227217 Expired - Lifetime CN2605429Y (en) | 2003-03-26 | 2003-03-26 | Superhard sealing compositive valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2605429Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691825A (en) * | 2012-06-07 | 2012-09-26 | 华夏阀门有限公司 | Anti-erosion linkage protective valve |
| CN103438268A (en) * | 2013-06-04 | 2013-12-11 | 湖南工业大学 | Composite opening and closing device of high-pressure valve |
| CN103562606A (en) * | 2011-03-30 | 2014-02-05 | 施耐德电气建筑有限公司 | Valve with dual rotation valve member |
| CN111473128A (en) * | 2020-05-11 | 2020-07-31 | 永嘉企达知识产权咨询有限公司 | Steel ball valve |
-
2003
- 2003-03-26 CN CN 03227217 patent/CN2605429Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103562606A (en) * | 2011-03-30 | 2014-02-05 | 施耐德电气建筑有限公司 | Valve with dual rotation valve member |
| CN103562606B (en) * | 2011-03-30 | 2016-08-10 | 施耐德电气建筑有限公司 | There is the valve of dual rotation valve member |
| CN102691825A (en) * | 2012-06-07 | 2012-09-26 | 华夏阀门有限公司 | Anti-erosion linkage protective valve |
| CN103438268A (en) * | 2013-06-04 | 2013-12-11 | 湖南工业大学 | Composite opening and closing device of high-pressure valve |
| CN103438268B (en) * | 2013-06-04 | 2016-04-06 | 湖南工业大学 | High pressure valve compound start-stop device |
| CN111473128A (en) * | 2020-05-11 | 2020-07-31 | 永嘉企达知识产权咨询有限公司 | Steel ball valve |
| CN111473128B (en) * | 2020-05-11 | 2021-10-08 | 中球阀门有限公司 | Steel ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20050914 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |