CN205026176U - Heisui river governing valve with drive valve rod dirt function - Google Patents
Heisui river governing valve with drive valve rod dirt function Download PDFInfo
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- CN205026176U CN205026176U CN201520728054.XU CN201520728054U CN205026176U CN 205026176 U CN205026176 U CN 205026176U CN 201520728054 U CN201520728054 U CN 201520728054U CN 205026176 U CN205026176 U CN 205026176U
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- valve
- valve rod
- scraper
- double wedge
- black water
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Abstract
The utility model discloses a heisui river governing valve with drive valve rod dirt function relates to pipeline valve gate technical field. This heisui river governing valve includes hollow structure's valve body, and open at the top of valve body has the opening, and the lateral part is opened there is water inlet channel, and open the bottom has outlet flow channel, and outlet flow channel's inside wall is provided with the disk seat, the opening part at valve body top is fixed with the valve gap, and the top of valve gap is provided with drive arrangement, and the valve gap is opened has the through -hole, and the valve rod is equipped with in the through -hole interpolation, and the upper end and the drive arrangement of valve rod are connected, and the lower extreme stretches into to the valve body inside through the opening of valve body, and the lower extreme of valve rod is provided with the case, and the disk seat is located the case under, wherein, be provided with the scraper that is used for driving the valve rod dirt between valve gap and the valve rod. The utility model discloses can effectively strike off the scale deposit on valve rod surface, not only use reliable and stable, good, the long service life of leakproofness moreover.
Description
Technical field
The utility model relates to pipeline valve technical field, is specifically a kind of black water regulating valve with removing valve rod dirt function.
Background technique
In fields such as oil, chemical industry, iron and steel, metallurgy and electric power, black water regulating valve is widely used, and it mainly plays the effect of the flowing medium blocking or connect in pipeline.
Existing black water regulating valve many employings straight travel type plunger valve, such plunger valve moves up and down by valve rod band movable valve plug the fluid realizing valve and controls, and realizes sealing by the valve seat that water outlet is located in spool extruding.But find in actual use; because black water regulating valve is used for the medium occasion with hard solid particle medium, easily coking, easily stickup; using afterwards for a long time; stem surface in valve body can deposit some harder sedimentss usually; if processed not in time; when valve rod moves up and down; the rigid sediments of stem surface can hinder the motion of valve rod; stuck phenomenon is also there will be time serious; not only have impact on the normal use of black water regulating valve; and long-term hard object friction also can affect the sealing of valve, makes the working life of product short.
Model utility content
For the defect existed in prior art, the purpose of this utility model is that providing a kind of has the black water regulating valve removing valve rod dirt function, effectively can strike off the fouling of stem surface, not only use reliable and stable, and good airproof performance, long service life.
For reaching above object, the technological scheme that the utility model is taked is: a kind of have the black water regulating valve removing valve rod dirt function, comprise the valve body of hollow structure, the top of valve body has opening, sidepiece has water inlet flow channel, bottom has outlet passage, and the madial wall of outlet passage is provided with valve seat; Wherein, the opening of described body top is fixed with valve gap, the top of valve gap is provided with drive unit, valve gap has through hole, be fitted with valve rod in through hole, the upper end of valve rod is connected with drive unit, and lower end stretches to valve inner through the opening of valve body, the lower end of valve rod is provided with spool, and valve seat is positioned at immediately below spool; And the scraper be provided with between described valve gap and valve rod for removing valve rod dirt.
On the basis of technique scheme, described scraper comprises the scraper body of annular, the madial wall of scraper body is provided with at least one circle pointed tooth and at least one circle arc double wedge, described arc double wedge is positioned at the top of described pointed tooth, the end of each pointed tooth and the outer surface point cantact of valve rod, the end face of each arc double wedge and the appearance plane-plane contact of valve rod.
On the basis of technique scheme, the pointed tooth often enclosed, the arc double wedge often enclosed all are uniformly distributed.
On the basis of technique scheme, the madial wall of described scraper body is provided with two circle pointed tooths and two circle arc double wedges, and the pointed tooth of two circle pointed tooths shifts to install, and the double wedge of two circle arc double wedges shifts to install.
On the basis of technique scheme, the pointed tooth quantity of often enclosing is 8 ~ 10; The arc double wedge quantity of often enclosing is 3 ~ 5.
On the basis of technique scheme, the bottom of described valve gap has an extension part, this extension part stretches to valve inner through the opening of valve body, and described scraper is positioned at the position of this extension part near spool, makes valve rod that scraper can be made in short stroke to strike off valve rod dirt.
On the basis of technique scheme, be filled with filler between described valve gap and valve rod, described filler is positioned at the top of scraper.
On the basis of technique scheme, described scraper adopts tungsten carbide material to make, and hardness is HRA >=88.
On the basis of technique scheme, described valve rod and spool one-body molded.
On the basis of technique scheme, described drive unit is pneumatic actuator, electric actuator, hydraulic executer or manual turbine.
The beneficial effects of the utility model are:
1, in the utility model, between valve gap and valve rod, the scraper for removing valve rod dirt is provided with.The scraper body madial wall of this scraper is provided with at least one circle pointed tooth and at least one circle arc double wedge, and arc double wedge is positioned at the top of pointed tooth, the end of each pointed tooth and the exterior surface of valve rod, and the end face of each arc double wedge and the outer surface of valve rod are fitted.During use, the often circle pointed tooth of scraper and stem surface form point cantact, can be that strip strikes off by the fouling of stem surface; The often circle arc double wedge of scraper contacts with stem surface forming surface, can be that bulk is struck off by the fouling of stem surface, thus achieve the automatically cleaning of valve rod dirt.Not only elimination effect is desirable to have the Heisui River valve removing valve rod dirt function, rapid operation, convenient, and effectively prevent because hard object friction causes the problem of valve seal difference, and then ensure that the working life of product.
2, in the utility model, the pointed tooth often enclosed, the arc double wedge often enclosed all are uniformly distributed, and scraper can be removed more equably when striking off valve rod fouling; And the madial wall of scraper body is provided with two circle pointed tooths and two circle arc double wedges, two circle pointed tooths, two circle arc double wedges all shift to install, and make the face of effectively striking off of scraper comparatively large, automatically cleaning effect is better.
3, scraper of the present utility model adopts tungsten carbide material to make, and its hardness reaches HRA >=88, effectively can remove various obstinate fouling, and long service life.
4, in the utility model, the bottom of valve gap has an extension part, and this extension part stretches to valve inner through the opening of valve body, scraper is positioned at the position of this extension part near spool, make valve rod in shorter movement travel, to make scraper can strike off the dirt of valve rod, improve automatically cleaning efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation in the utility model embodiment with the black water regulating valve removing valve rod dirt function;
Fig. 2 is the structural representation of scraper;
Fig. 3 is the sectional drawing of Fig. 2 along A-A ＇ direction;
Fig. 4 is the sectional drawing of Fig. 2 along B-B ＇ direction;
Fig. 5 is the sectional drawing of Fig. 2 along C-C ＇ direction;
Fig. 6 is the sectional drawing of Fig. 2 along D-D ＇ direction.
Reference character: 1-drive unit; 2-valve rod; 3-valve gap, 3a-extension part; 4-valve body, 4a-opening, 4b-water inlet flow channel, 4c-outlet passage; 5-filler; 6-scraper, 6a-scraper body, 6b-pointed tooth, 6c-arc double wedge; 7-spool; 8-valve seat.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Shown in Figure 1, the utility model embodiment provides a kind of and has the black water regulating valve removing valve rod dirt function, comprise the valve body 4 of hollow structure, the top of valve body 4 has opening 4a, sidepiece has water inlet flow channel 4b, bottom has outlet passage 4c, and the madial wall of outlet passage 4c is provided with valve seat 8; The opening 4a place at valve body 4 top is fixed with valve gap 3, the top of valve gap 3 is provided with drive unit 1, the center vertical of valve gap 3 has the through hole moved up and down for valve rod 2, valve rod 2 is fitted with in through hole, the upper end of valve rod 2 is connected with drive unit 1, it is inner that lower end stretches to valve body 4 through the opening 4a of valve body 4, and the lower end of valve rod 2 is provided with spool 7, and valve seat 8 is positioned at immediately below spool 7.Wherein, the scraper 6 for removing valve rod 2 dirt is provided with between valve gap 3 and valve rod 2.
See shown in Fig. 2 to Fig. 6, described scraper 6 comprises the scraper body 6a of annular, the madial wall of scraper body 6a is provided with at least one circle leg-of-mutton pointed tooth 6b and at least one circle arc double wedge 6c, described arc double wedge 6c is positioned at the top of described pointed tooth 6b, the end of each pointed tooth 6b and the exterior surface (i.e. point cantact) of valve rod 2, each end face of arc double wedge 6c fits (namely face contacts) with the outer surface of valve rod 2.During use, when valve rod 2 moves up and down under the drive of drive unit 1, the often circle pointed tooth 6b of scraper 6 and valve rod 2 surface form point cantact, the fouling on valve rod 2 surface can be struck off along strip; The often circle arc double wedge 6c of scraper 6 contacts with the surperficial forming surface of valve rod 2, can be that bulk is struck off by the fouling on valve rod 2 surface, thus achieve the automatically cleaning of valve rod 2 dirt, and not only elimination effect is desirable, and rapid operation, convenient.
See shown in Fig. 2 to Fig. 6, in the present embodiment, the madial wall of scraper body 6a is provided with two circle pointed tooth 6b and two circle arc double wedge 6c.Wherein, the pointed tooth 6b quantity of often enclosing is 8 ~ 10 (preferably 8), and the pointed tooth 6b often enclosed is uniformly distributed, and the pointed tooth of two circle pointed tooth 6b shifts to install; The arc double wedge 6c quantity of often enclosing is 3 ~ 5 (preferably 3), and the arc double wedge 6c often enclosed is uniformly distributed, and the double wedge of two circle arc double wedge 6c shifts to install.Said structure design makes the space width of scraper 6 (it is larger that the pointed tooth of dislocation and the double wedge of dislocation make to strike off density, and cleaning force is stronger) reasonable in design, and can equably by clean for the removal of deposit on valve rod 2 surface.
Further, shown in Figure 1, in order to reduce the movement travel of valve rod 2, make scraper 6 closer to spool 7 position, and then improve automatically cleaning effect, the bottom of described valve gap 3 has an extension part 3a, and it is inner that this extension part 3a stretches to valve body 4 through valve body 4 opening 4a, and described scraper 6 is positioned at this extension part 3a near the position of spool 7.
In addition, shown in Figure 1, in order to improve the sealing between valve rod 2 and valve gap 3, between valve gap 3 and valve rod 2, be also filled with filler 5, this filler 5 is positioned at the top of scraper 6.
In the present embodiment, described drive unit 1 is pneumatic actuator, electric actuator, hydraulic executer or manual turbine; Valve rod 2 is one-body molded with spool 7, do not have mechanical clearance, not only long service life, and motion control is more accurate; In addition, scraper 6 adopts tungsten carbide material to make, and hardness reaches HRA >=88, effectively can remove various obstinate fouling, and long service life.
The utility model is not only confined to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but any change is done in its shape or structure; every have identical with the utility model or akin technological scheme, all within its protection domain.
Claims (10)
1. one kind has the black water regulating valve removing valve rod dirt function, comprise the valve body (4) of hollow structure, the top of valve body (4) has opening (4a), sidepiece has water inlet flow channel (4b), bottom has outlet passage (4c), the madial wall of outlet passage (4c) is provided with valve seat (8), it is characterized in that: opening (4a) place at described valve body (4) top is fixed with valve gap (3), the top of valve gap (3) is provided with drive unit (1), valve gap (3) has through hole, valve rod (2) is fitted with in through hole, the upper end of valve rod (2) is connected with drive unit (1), it is inner that the opening (4a) of lower end through valve body (4) stretches to valve body (4), the lower end of valve rod (2) is provided with spool (7), valve seat (8) is positioned at immediately below spool (7), and the scraper (6) be provided with between described valve gap (3) and valve rod (2) for removing valve rod (2) dirt.
2. there is black water regulating valve as claimed in claim 1 that remove valve rod dirt function, it is characterized in that: described scraper (6) comprises the scraper body (6a) of annular, the madial wall of scraper body (6a) is provided with at least one circle pointed tooth (6b) and at least one circle arc double wedge (6c), described arc double wedge (6c) is positioned at the top of described pointed tooth (6b), the end of each pointed tooth (6b) and the outer surface point cantact of valve rod (2), the end face of each arc double wedge (6c) and the appearance plane-plane contact of valve rod (2).
3. there is black water regulating valve as claimed in claim 2 that remove valve rod dirt function, it is characterized in that: the pointed tooth (6b) often enclosed, the arc double wedge (6c) often enclosed all are uniformly distributed.
4. there is black water regulating valve as claimed in claim 2 that remove valve rod dirt function, it is characterized in that: the madial wall of described scraper body (6a) is provided with two circle pointed tooths (6b) and two circles arc double wedge (6c), the pointed tooth of two circles pointed tooth (6b) shifts to install, and the double wedge of two circles arc double wedge (6c) shifts to install.
5. there is black water regulating valve as claimed in claim 2 that remove valve rod dirt function, it is characterized in that: pointed tooth (6b) quantity of often enclosing is 8 ~ 10; Arc double wedge (6c) quantity of often enclosing is 3 ~ 5.
6. there is black water regulating valve as claimed in claim 1 that remove valve rod dirt function, it is characterized in that: the bottom of described valve gap (3) has an extension part (3a), it is inner that the opening (4a) of this extension part (3a) through valve body (4) stretches to valve body (4), described scraper (6) is positioned at the position of this extension part (3a) near spool (7), makes valve rod (2) that scraper can be made in short stroke to strike off valve rod dirt.
7. there is black water regulating valve as claimed in claim 1 that remove valve rod dirt function, it is characterized in that: be filled with filler (5) between described valve gap (3) and valve rod (2), described filler (5) is positioned at the top of scraper (6).
8. the black water regulating valve with removing valve rod dirt function according to any one of claim 1 to 7, is characterized in that: described scraper (6) adopts tungsten carbide material to make, and hardness is HRA >=88.
9. the black water regulating valve with removing valve rod dirt function according to any one of claim 1 to 7, is characterized in that: described valve rod (2) is one-body molded with spool (7).
10. according to any one of claim 1 to 7, there is the black water regulating valve removing valve rod dirt function, it is characterized in that: described drive unit (1) is pneumatic actuator, electric actuator, hydraulic executer or manual turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520728054.XU CN205026176U (en) | 2015-09-18 | 2015-09-18 | Heisui river governing valve with drive valve rod dirt function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520728054.XU CN205026176U (en) | 2015-09-18 | 2015-09-18 | Heisui river governing valve with drive valve rod dirt function |
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| Publication Number | Publication Date |
|---|---|
| CN205026176U true CN205026176U (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520728054.XU Active CN205026176U (en) | 2015-09-18 | 2015-09-18 | Heisui river governing valve with drive valve rod dirt function |
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| CN (1) | CN205026176U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870812A (en) * | 2017-04-26 | 2017-06-20 | 张新丰 | A kind of band rotary drag stop valve application method |
| CN106969157A (en) * | 2017-05-19 | 2017-07-21 | 重庆国际复合材料有限公司 | Valve and kiln |
| CN107061751A (en) * | 2017-04-26 | 2017-08-18 | 张新丰 | A kind of band rotary drag stop valve assembly method |
| CN108591493A (en) * | 2018-06-20 | 2018-09-28 | 武汉汉德阀门股份有限公司 | A kind of curved current flow angle valve of Direct Travel |
-
2015
- 2015-09-18 CN CN201520728054.XU patent/CN205026176U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870812A (en) * | 2017-04-26 | 2017-06-20 | 张新丰 | A kind of band rotary drag stop valve application method |
| CN107061751A (en) * | 2017-04-26 | 2017-08-18 | 张新丰 | A kind of band rotary drag stop valve assembly method |
| CN106870812B (en) * | 2017-04-26 | 2019-01-18 | 盐城市高中压阀门有限公司 | A kind of band rotary drag shut-off valve application method |
| CN107061751B (en) * | 2017-04-26 | 2019-02-15 | 张新丰 | A kind of band rotary drag shut-off valve assembly method |
| CN106969157A (en) * | 2017-05-19 | 2017-07-21 | 重庆国际复合材料有限公司 | Valve and kiln |
| CN106969157B (en) * | 2017-05-19 | 2019-09-17 | 重庆国际复合材料股份有限公司 | Valve and kiln |
| CN108591493A (en) * | 2018-06-20 | 2018-09-28 | 武汉汉德阀门股份有限公司 | A kind of curved current flow angle valve of Direct Travel |
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