CN205026177U - Heisui river governing valve with valve rod locate function - Google Patents
Heisui river governing valve with valve rod locate function Download PDFInfo
- Publication number
- CN205026177U CN205026177U CN201520728379.8U CN201520728379U CN205026177U CN 205026177 U CN205026177 U CN 205026177U CN 201520728379 U CN201520728379 U CN 201520728379U CN 205026177 U CN205026177 U CN 205026177U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- torsional stop
- gap
- black water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000010866 blackwater Substances 0.000 claims description 19
- 230000001105 regulatory effect Effects 0.000 claims description 19
- 239000000945 filler Substances 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Sliding Valves (AREA)
Abstract
The utility model discloses a heisui river governing valve with valve rod locate 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, wherein, the valve body top is fixed with the valve gap, and the top of valve gap is provided with drive arrangement, and the valve rod is equipped with in the valve gap 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, and the position that the valve rod is close to the valve gap bottom has at least one side and prevents changeing the plane, and the bottom of valve gap is fixed with and prevents changeing that the plane cooperation prevents changeing prevents changeing the board, the middle part of preventing changeing the board open have with the trompil of valve rod shape assorted. The utility model discloses can carry out effectual location to the valve rod, not only use reliable and stablely, the leakproofness is good moreover, product quality is high.
Description
Technical field
The utility model relates to pipeline valve technical field, is specifically a kind of black water regulating valve with valve rod locating 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 blocking or connecting flowing medium 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, when the motion that valve is subject to above-mentioned medium fluid is washed away, existing circular valve rod easily produces rotation.The valve rod rotated not only makes the stability in use of valve poor, but also can affect stem packing sealing and the sealing between spool and valve seat, has had a strong impact on the normal use of valve.
Model utility content
For the defect existed in prior art, the purpose of this utility model is to provide a kind of black water regulating valve with valve rod locating function, effectively can locate, not only use reliable and stable to valve rod, and good airproof performance, quality of product are high.
For reaching above object, the technological scheme that the utility model is taked is: a kind of black water regulating valve with valve rod locating function, comprises the valve body of hollow structure, the top of valve body has opening, sidepiece has water inlet flow channel, and 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, is fitted with valve rod in through hole, is filled with filler between valve gap and valve rod, the upper end of valve rod is connected with drive unit, lower end stretches to valve inner through the opening of valve body, and the lower end of valve rod is provided with spool, and valve seat is positioned at immediately below spool; And the position of described valve rod bottom valve gap has at least one side anti-rotation plane, the bottom of described valve gap is fixed with the torsional stop coordinating anti-rotation with anti-rotation plane, and the middle part of torsional stop has the perforate with valve rod mating shapes.
On the basis of technique scheme, described anti-rotation plane is vertical plane.
On the basis of technique scheme, described torsional stop has a breach, and described breach is communicated with perforate.
On the basis of technique scheme, the indentation, there of described torsional stop is provided with baffle plate, and described baffle plate and torsional stop form a complete ring flat-plate and hold valve rod.
On the basis of technique scheme, described torsional stop, baffle plate all have mounting hole, and both are all fixed on bottom valve gap by mounting hole, screw.
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 torsional stop is positioned at the bottom of this extension part, and described valve rod is provided with at least one vertical plane near the bottom of this extension part.
On the basis of technique scheme, described torsional stop surface is coated with carbide layers.
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, the position of valve rod bottom valve gap has at least one side anti-rotation plane, the bottom of valve gap is fixed with the torsional stop coordinating anti-rotation with anti-rotation plane, and the middle part of torsional stop has and the perforate of valve rod mating shapes (namely the perforate of torsional stop has and valve rod corresponding flat).When the flowing medium in valve body washes away valve rod, the anti-rotation plane that valve rod has coordinates with the perforate of torsional stop, (namely the perforate plane of torsional stop and the anti-rotation plane of valve rod form limit structure to can be used to limit the rotation of valve rod, be used for preventing valve rod from rotating), thus achieve the effective location to valve rod.The black water regulating valve with valve rod locating function not only uses reliable and stable, and effectively prevent and cause the problem of valve seal difference because valve rod rotates, and then makes that quality of product is high, using effect good.
2, in the utility model, torsional stop has a breach, and this breach is communicated with perforate.During dismounting torsional stop, directly can be inserted to valve rod place by this breach by horizontal for torsional stop, not only quick and easy for installation, simple to operate, and the replacing of torsional stop can be carried out at any time as required, it is convenient to safeguard.In addition, be also provided with baffle plate in the indentation, there of torsional stop, this baffle plate and torsional stop form a complete ring flat-plate and hold valve rod, and make torsional stop integral installation more firm, locating effect is better.
3, torsional stop surface of the present utility model is coated with carbide layers, can improve wear resistance and corrosion resistance, long service life.
4, in the utility model, the bottom of valve gap has an extension part, this extension part stretches to valve inner through the opening of valve body, valve rod is provided with at least one vertical plane near the bottom of this extension part, torsional stop is positioned at the bottom of this extension part, make the valve rod washed away by medium in valve body can avoid as much as possible producing rotation, strengthen the locating effect of valve rod.
Accompanying drawing explanation
Fig. 1 is the structural representation of the black water regulating valve in the utility model embodiment with valve rod locating function;
Fig. 2 is valve rod schematic diagram of coordinating with baffle plate when having an one side anti-rotation plane;
Fig. 3 is the schematic diagram that valve rod coordinates with baffle plate when having two anti-rotation planes;
Fig. 4 is the schematic diagram that valve rod coordinates with baffle plate when having three anti-rotation planes;
Fig. 5 is valve rod schematic diagram of coordinating with baffle plate when having a four sides anti-rotation plane.
Reference character: 1-drive unit; 2-valve rod, 2a-anti-rotation plane; 3-valve gap, 3a-extension part; 4-valve body, 4a-opening, 4b-water inlet flow channel, 4c-outlet passage; 5-filler; 6-torsional stop, 6a-perforate, 6b-breach; 7-spool; 8-valve seat; 9-baffle plate; 10-mounting hole.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Shown in Fig. 1 and Fig. 2, the utility model embodiment provides a kind of black water regulating valve with valve rod locating 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, be filled with filler 5 between valve gap 3 and valve rod 2, the upper end of valve rod 2 is connected with drive unit 1, and 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, valve seat 8 is positioned at immediately below spool 7.
Wherein, the described position of valve rod 2 bottom valve gap 3 has at least one side anti-rotation plane 2a (this anti-rotation plane 2a is vertical plane), the bottom of described valve gap 3 is fixed with the torsional stop 6 coordinating anti-rotation with anti-rotation plane 2a, the middle part of torsional stop 6 has the perforate 6a with valve rod 2 mating shapes, and namely the perforate 6a of torsional stop 6 has the plane corresponding with valve rod 2.When the flowing medium in valve body 4 washes away valve rod 2, the anti-rotation plane 2a that valve rod 2 has coordinates with the perforate 6a of torsional stop 6, limit the rotation (namely the perforate 6a plane of torsional stop 6 and the anti-rotation plane 2a of valve rod 2 form limit structure, are used for preventing valve rod 2 from rotating) of valve rod 2.
Shown in Figure 2, for the ease of the installation of torsional stop 6, make torsional stop 6 can carry out disassembling, assembling and replacing as required, described torsional stop 6 has a breach 6b, and this breach 6b is communicated with perforate 6a.During dismounting torsional stop 6, directly can be inserted to valve rod 2 place by this breach 6b by horizontal for torsional stop 6, not only quick and easy for installation, simple to operate, and the replacing of torsional stop 6 can be carried out at any time as required, it is convenient to safeguard.
Further, more firm in order to make torsional stop 6 install, valve rod 2 locating effect is better, the breach 6b place of torsional stop 6 is provided with baffle plate 9, this baffle plate 9 and torsional stop 6 form a complete ring flat-plate and hold valve rod 2, and make torsional stop 6 integral installation more firm, locating effect is better.Further, torsional stop 6, baffle plate 9 all have mounting hole 10, and both are all fixed on bottom valve gap 3 by mounting hole 10, screw.
In addition, shown in Figure 1, in order to strengthen the locating effect of valve rod 2, make the valve rod 2 washed away by medium in valve body 4 can avoid as much as possible producing rotation, the bottom of described valve gap 3 has an extension part 3a, it is inner that this extension part 3a stretches to valve body 4 through valve body 4 opening 4a, and described torsional stop 6 is positioned at the bottom of this extension part 3a, and described valve rod 2 is provided with at least one vertical plane near the bottom of this extension part 3a.
During concrete production, the position of valve rod 2 bottom valve gap 3 can be provided with a vertical plane, two vertical planes, three vertical planes or four vertical planes.When valve rod 2 has one side anti-rotation plane 2a, the structure that valve rod 2 and corresponding torsional stop 6 coordinate as shown in Figure 2; When valve rod 2 has two anti-rotation plane 2a, the structure that valve rod 2 and corresponding torsional stop 6 coordinate as shown in Figure 3; When valve rod 2 has three anti-rotation plane 2a, the structure that valve rod 2 and corresponding torsional stop 6 coordinate as shown in Figure 4; When valve rod 2 has four sides anti-rotation plane 2a, the structure that valve rod 2 and corresponding torsional stop 6 coordinate as shown in Figure 5.
In the present embodiment, torsional stop 6 surface is coated with carbide layers, can improve wear resistance and corrosion resistance, long service life; In addition, 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.
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 (9)
1. one kind has the black water regulating valve of valve rod locating 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, filler (5) is filled with between valve gap (3) and valve rod (2), 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 described valve rod (2) has at least one side anti-rotation plane (2a) near the position of valve gap (3) bottom, the bottom of described valve gap (3) is fixed with the torsional stop (6) coordinating anti-rotation with anti-rotation plane (2a), and the middle part of torsional stop (6) has the perforate (6a) with valve rod (2) mating shapes.
2. there is the black water regulating valve of valve rod locating function as claimed in claim 1, it is characterized in that: described anti-rotation plane (2a) is vertical plane.
3. have the black water regulating valve of valve rod locating function as claimed in claim 1, it is characterized in that: described torsional stop (6) has a breach (6b), described breach (6b) is communicated with perforate (6a).
4. there is the black water regulating valve of valve rod locating function as claimed in claim 3, it is characterized in that: breach (6b) place of described torsional stop (6) is provided with baffle plate (9), described baffle plate (9) and torsional stop (6) form a complete ring flat-plate and hold valve rod (2).
5. there is the black water regulating valve of valve rod locating function as claimed in claim 4, it is characterized in that: described torsional stop (6), baffle plate (9) all have mounting hole (10), both are all fixed on valve gap (3) bottom by mounting hole (10), screw.
6. there is the black water regulating valve of valve rod locating function as claimed in claim 1, 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 torsional stop (6) is positioned at the bottom of this extension part (3a), and described valve rod (2) is provided with at least one vertical plane near the bottom of this extension part (3a).
7. the black water regulating valve with valve rod locating function according to any one of claim 1 to 6, is characterized in that: described torsional stop (6) surface is coated with carbide layers.
8. the black water regulating valve with valve rod locating function according to any one of claim 1 to 6, is characterized in that: described valve rod (2) is one-body molded with spool (7).
9. the black water regulating valve with valve rod locating function according to any one of claim 1 to 6, 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 |
|---|---|---|---|
| CN201520728379.8U CN205026177U (en) | 2015-09-18 | 2015-09-18 | Heisui river governing valve with valve rod locate function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520728379.8U CN205026177U (en) | 2015-09-18 | 2015-09-18 | Heisui river governing valve with valve rod locate function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205026177U true CN205026177U (en) | 2016-02-10 |
Family
ID=55258711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520728379.8U Expired - Fee Related CN205026177U (en) | 2015-09-18 | 2015-09-18 | Heisui river governing valve with valve rod locate function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205026177U (en) |
-
2015
- 2015-09-18 CN CN201520728379.8U patent/CN205026177U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 |