CN104179988A - Multi-level flow regulating valve - Google Patents
Multi-level flow regulating valve Download PDFInfo
- Publication number
- CN104179988A CN104179988A CN201410358912.6A CN201410358912A CN104179988A CN 104179988 A CN104179988 A CN 104179988A CN 201410358912 A CN201410358912 A CN 201410358912A CN 104179988 A CN104179988 A CN 104179988A
- Authority
- CN
- China
- Prior art keywords
- cylindrical shell
- regulating lever
- vent
- spool
- positioning block
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
- F16K1/465—Attachment of sealing rings to the valve seats
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The invention discloses a multi-level flow regulating valve. The multi-level flow regulating valve comprises a valve body and a valve core, wherein the valve core comprises a barrel, a regulating lever and a regulating body, and a plurality of gas inlet holes are uniformly formed in the outer circumferential surface of the regulating body from top to bottom; the valve core further comprises baffles which are arranged at the part, above the barrel, of the regulating lever, a longitudinal cross section of each baffle adopts isosceles trapezoid, the baffles are arranged from top to bottom at equal intervals, the number of the baffles is one more than that of the gas inlet holes, and the maximum thickness of each baffle is equal to the interval between adjacent gas inlet holes; the valve core further comprises a positioning body arranged at the top of the barrel, a spring and a positioning block are arranged on the positioning body, and the size of the positioning block is equal to that of a gap between every two adjacent baffles; and when the positioning block is embedded into the Nth gap from top to bottom, the Nth gas inlet from top to bottom right faces the inner surface of a vent hole, and N is a positive integer large than or equal to 1. With the adoption of the multi-level flow regulating valve, the natural gas flow can be uniformly regulated.
Description
Technical field
The present invention relates to natural gas transport field, relate in particular to the many grades of flow control valves for natural gas transport.
Background technique
The existing valve body for natural gas transport cannot be realized the even regulation of gas discharge.
For example, publication number is the patent of invention of " CN 202746609 U ", discloses a kind of large-capacity valve for natural gas transport.It comprises valve body, and in valve body mobile valve seat, valve seat formation when central through bore internal surface in valve body contact seals, to stop rock gas to pass through.Valve seat move up and off center through hole after, the fraction area of central through bore exposes, now rock gas can flow through by central through bore, gas discharge is less.Valve seat continues to move up, and the area that exposes of central through bore becomes large size from small size moment, and gas discharge moment becomes large.Therefore, break-make when the existing valve body for natural gas transport can only be realized natural gas transport, cannot realize the even regulation of gas discharge.
Summary of the invention
Object of the present invention is to overcome the deficiencies in the prior art, provide a kind of and can realize gas discharge even regulation, and the many grades of flow control valves that adjustment process can be strictly controlled.
Object of the present invention is achieved through the following technical solutions:
Many grades of flow control valves, comprise valve body and spool; Valve body comprises inlet end, outlet side and is connected with valve interior surface and the spacer body between inlet end and outlet side, and spacer body comprises horizontal segment, the vertical section being connected with horizontal segment two ends, offers vent on horizontal segment; The top of valve body offers the spool mounting hole corresponding with vent; Spool comprises cylindrical shell, regulating lever and adjustment body, and cylindrical shell is fixed in spool mounting hole, and regulating lever runs through the two ends of cylindrical shell, adjusts body and is connected with the bottom of regulating lever, adjusts body and is arranged in vent, adjusts the outer surface of body and the internal surface of vent and contacts; On the periphery of adjustment body, evenly offer from top to bottom a plurality of inlet holes, inlet hole extends to the bottom of adjusting body; Spool also comprises and is arranged at the baffle plate that regulating lever is positioned at cylindrical shell upper section, it is isosceles trapezoid that the thickness of baffle plate reduces gradually to make the longitudinal cross-section of baffle plate in the direction away from regulating lever, baffle plate is equidistantly arranged from top to bottom, the quantity of baffle plate is more one than the quantity of inlet hole, and the maximum ga(u)ge of baffle plate equates with the spacing of inlet hole; Spool also comprises the positioning body that is arranged at cylindrical shell top, on positioning body, offer horizontal hole, in horizontal hole, be provided with spring and positioning block, one end of spring is connected with the bottom of horizontal hole, the other end of spring is connected with positioning block, positioning block is measure-alike near the size of regulating lever one end and the gap between adjacent two baffle plates, and positioning block embeds in the gap between adjacent two baffle plates under the effect of spring; When positioning block embeds from top to bottom N gap, N inlet hole is over against the internal surface of vent from top to bottom, and N is the positive integer being more than or equal to.
The present invention is when work, and the rock gas flowing into from inlet end enters adjustment body by inlet hole, then flows out from adjusting body bottom, finally passes through outlet side.By moving up and down of regulating lever, drive to adjust to move up and down in overall.When adjustment body moves upward, the quantity that is positioned at the inlet hole of vent top becomes many, makes more rock gas can enter adjustment body, and the flow of rock gas increases.When adjustment body moves downward, this quantity that is positioned at the inlet hole of vent top tails off, and the rock gas that enters adjustment body is tailed off, and the flow of rock gas reduces.The flow of rock gas is directly proportional to the quantity that is positioned at the inlet hole of vent top, by moving up and down adjustment body, can realize the adjusting of gas discharge.
The controllability regulating in order to strengthen gas discharge guarantees to regulate at every turn, and the increasing amount of gas discharge or reduction can both strictly be limited, and baffle plate, positioning body, spring and positioning block are set.During adjusting, baffle plate ejects the gap between baffle plate by positioning block, and spring is compressed; Regulating lever continues mobile, and positioning block, under the effect of spring, embeds in adjacent gap, is now positioned at one of the inlet hole increase of vent top or reduces one, so can realize the even regulation of gas discharge.Meanwhile, this structure also can be avoided when Flow-rate adjustment, and one of them inlet hole is partly positioned at vent, and part is positioned at outside vent, the problem that causes gas discharge accurately to be controlled.Whether, in adjustment process, vibration and sound that positioning block produces while embedding the gap between baffle plate, can provide clear and definite feedback for staff, be convenient to the adjusting of learning that staff can be clear and definite and put in place.
Further, the internal surface of described vent is provided with seal ring A, and the outer surface of described adjustment body contacts with seal ring A.
Seal ring A is set, prevents that rock gas from flowing out by the gap of adjusting between body and vent, rock gas can only be flowed out by adjusting body, thereby improved the controllability of gas discharge.
Further, described spool also comprises the elastic ring being connected with the internal surface of described cylindrical shell, the elastic sleeve being connected with elastic ring internal surface, and elastic sleeve is placed on described regulating lever.
When rock gas occurs to reveal, rock gas enters cylindrical shell, then overflows from cylindrical shell upper end.In order to stop natural gas leaking, elastic ring and elastic sleeve are set in cylindrical shell, when rock gas enters after cylindrical shell, the internal pressure of cylindrical shell increases, under the effect of pressure, elastic sleeve is pressed on regulating lever, thereby avoids rock gas to overflow by the gap between elastic sleeve and regulating lever.
Further, described spool also comprises the limited ring being connected with the internal surface of described cylindrical shell, and limited ring contacts with the upper surface of described elastic ring, between the internal surface of limited ring and the outer surface of described regulating lever, has gap.
When inner barrel pressure increases, limited ring can prevent that elastic ring from deforming in longitudinal extent, thereby avoids causing elastic sleeve cannot be fitted in the problem on regulating lever completely because of elastic ring distortion.
Further, between described cylindrical shell end and described regulating lever, be provided with seal ring B.
Seal ring B is set, can stops the rock gas in valve body to enter cylindrical shell, further avoid the possibility of leaking.
In sum, advantage of the present invention is that beneficial effect is:
1. the present invention can realize the even regulation of gas discharge;
2. baffle plate, positioning body, spring and positioning block are set, avoid when Flow-rate adjustment, one of them inlet hole is partly positioned at vent, and part is positioned at outside vent, the problem that causes gas discharge accurately to be controlled;
3. whether in adjustment process, vibration and sound that positioning block produces while embedding the gap between baffle plate, can provide clear and definite feedback for staff, be convenient to the adjusting of learning that staff can be clear and definite and put in place, improved reliability and the accuracy of Flow-rate adjustment;
4. seal ring A is set, prevents that rock gas from flowing out by the gap of adjusting between body and vent, rock gas can only be flowed out by adjusting body, thereby improved the controllability of gas discharge;
5. elastic ring and elastic sleeve are set in cylindrical shell, and when rock gas enters after cylindrical shell, the internal pressure of cylindrical shell increases, and under the effect of pressure, elastic sleeve is pressed on regulating lever, thereby avoids rock gas to overflow by the gap between elastic sleeve and regulating lever;
6. when inner barrel pressure increases, limited ring can prevent that elastic ring from deforming in longitudinal extent, thereby avoids causing elastic sleeve cannot be fitted in the problem on regulating lever completely because of elastic ring distortion;
7. seal ring B is set, can stops the rock gas in valve body to enter cylindrical shell, further avoid the possibility of leaking.
Accompanying drawing explanation
In order to be illustrated more clearly in embodiments of the invention, will be briefly described describing the required accompanying drawing of using in the embodiment of the present invention below.Apparent, the accompanying drawing in the following describes is only some embodiments that record in the present invention, to those skilled in the art, in the situation that not paying creative work, can also, according to accompanying drawing below, obtain other accompanying drawing.
Fig. 1 is structural representation of the present invention;
Wherein, the component title that reference character is corresponding is as follows:
1-valve body, 2-spool, 101-inlet end, 102-outlet side, 103-spacer body, 104-vent, 105-spool mounting hole, 106-seal ring A, 201-cylindrical shell, 202-regulating lever, 203-adjusts body, 204-inlet hole, 205-elastic ring, 206-elastic sleeve, 207-limited ring, 208-seal ring B, 209-baffle plate, 210-positioning body, 211-horizontal hole, 212-spring, 213-positioning block.
Embodiment
In order to make those skilled in the art understand better the present invention, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is carried out to clear, complete description.Apparent, embodiment described below is only the part in the embodiment of the present invention, rather than all.The embodiment who records based on the present invention, other all embodiments that those skilled in the art obtain in the situation that not paying creative work, all in the scope of protection of the invention.
Embodiment 1:
As shown in Figure 1, many grades of flow control valves, comprise valve body 1 and spool 2; Valve body 1 comprises inlet end 101, outlet side 102 and is connected with valve body 1 internal surface and the spacer body 103 between inlet end 101 and outlet side 102, spacer body 103 comprises horizontal segment, the vertical section being connected with horizontal segment two ends, offers vent 104 on horizontal segment; The top of valve body 1 offers the spool mounting hole 105 corresponding with vent 104; Spool 2 comprises cylindrical shell 201, regulating lever 202 and adjusts body 203, cylindrical shell 201 is fixed in spool mounting hole 105, regulating lever 202 runs through the two ends of cylindrical shell 201, adjusting body 203 is connected with the bottom of regulating lever 202, adjust body 203 and be arranged in vent 104, the outer surface of adjusting body 203 contacts with the internal surface of vent 104; On the periphery of adjustment body 203, evenly offer from top to bottom a plurality of inlet holes 204, inlet hole 204 extends to the bottom of adjusting body 203; Spool 2 also comprises and is arranged at the baffle plate 209 that regulating lever 202 is positioned at cylindrical shell 201 upper sections, it is isosceles trapezoid that the thickness of baffle plate 209 reduces gradually to make the longitudinal cross-section of baffle plate 209 in the direction away from regulating lever 202, baffle plate 209 is equidistantly arranged from top to bottom, the quantity of baffle plate 209 is more one than the quantity of inlet hole 204, and the maximum ga(u)ge of baffle plate 209 equates with the spacing of inlet hole 204; Spool 2 also comprises the positioning body 210 that is arranged at cylindrical shell 201 tops, on positioning body 210, offer horizontal hole 211, in horizontal hole 211, be provided with spring 212 and positioning block 213, one end of spring 212 is connected with the bottom of horizontal hole 211, the other end of spring 212 is connected with positioning block 213, positioning block 213 is measure-alike near the size of regulating lever 202 one end and the gap between adjacent two baffle plates 209, and positioning block 213 embeds in the gap between adjacent two baffle plates 209 under the effect of spring 212; When positioning block 213 embeds from top to bottom N gap, N inlet hole is over against the internal surface of vent 104 from top to bottom, and N is more than or equal to 1 positive integer.
When work, the rock gas flowing into from inlet end 101 is entered and is adjusted body 203 by inlet hole 204, then flows out from adjusting body 203 bottoms, finally by outlet side 102.By moving up and down of regulating lever 202, drive adjustment body 203 to move up and down.When adjustment body 203 moves upward, the quantity that is positioned at the inlet hole 204 of vent 104 tops becomes many, more rock gas can be entered and adjust body 203, and the flow of rock gas increases.When adjustment body 203 moves downward, this quantity that is positioned at the inlet hole 204 of vent 104 tops tails off, and the rock gas that enters adjustment body 203 is tailed off, and the flow of rock gas reduces.The flow of rock gas is directly proportional to the quantity that is positioned at the inlet hole 204 of vent 104 tops, by moving up and down, adjusts body 203, can realize the adjusting of gas discharge.
The controllability regulating in order to strengthen gas discharge guarantees to regulate at every turn, and the increasing amount of gas discharge or reduction can both strictly be limited, and baffle plate 209, positioning body 210, spring 212 and positioning block 213 are set.During adjusting, baffle plate 209 ejects the gap between baffle plate 209 by positioning block 213, and spring 212 is compressed; Regulating lever 202 continues mobile, and positioning block 213, under the effect of spring 212, embeds in adjacent gap, is now positioned at inlet hole 204 one of the increase of vent 104 tops or reduces one, so can realize the even regulation of gas discharge.Meanwhile, this structure also can be avoided when Flow-rate adjustment, and one of them inlet hole 204 part is positioned at vent 104, and part is positioned at outside vent 104, the problem that causes gas discharge accurately to be controlled.Whether, in adjustment process, vibration and sound that positioning block 213 produces while embedding the gap between baffle plates 209, can provide clear and definite feedback for staff, be convenient to the adjusting of learning that staff can be clear and definite and put in place.
Embodiment 2:
As shown in Figure 1, the present embodiment is on embodiment 1 basis, and the internal surface of described vent 104 is provided with seal ring A106, and the outer surface of described adjustment body 203 contacts with seal ring A106.
Seal ring A106 is set, prevents that rock gas from flowing out by the gap of adjusting between body 203 and vent 104, rock gas can only be flowed out by adjusting body 203, thereby improved the controllability of gas discharge,
Embodiment 3:
As shown in Figure 1, the present embodiment is on above-mentioned any one embodiment's basis, described spool 2 also comprises the elastic ring 205 being connected with the internal surface of described cylindrical shell 201, the elastic sleeve 206 being connected with elastic ring 205 internal surfaces, and elastic sleeve 206 is placed on described regulating lever 202.
When rock gas occurs to reveal, rock gas enters cylindrical shell 201, then overflows from cylindrical shell 201 upper ends.In order to stop natural gas leaking, elastic ring 205 and elastic sleeve 206 are set in cylindrical shell 201, when rock gas enters after cylindrical shell 201, the internal pressure of cylindrical shell 201 increases, under the effect of pressure, elastic sleeve 206 is pressed on regulating lever 202, thereby overflows in the gap of avoiding rock gas to pass through between elastic sleeve 206 and regulating lever 202.
Embodiment 4:
As shown in Figure 1, the present embodiment is on embodiment 3 basis, described spool 2 also comprises the limited ring 207 being connected with the internal surface of described cylindrical shell 201, and limited ring 207 contacts with the upper surface of described elastic ring 205, between the internal surface of limited ring 207 and the outer surface of described regulating lever 202, has gap.
When cylindrical shell 201 internal pressures increase, limited ring 207 can prevent that elastic ring 205 from deforming in longitudinal extent, thereby avoids causing elastic sleeve 206 cannot be fitted in the problem on regulating lever 202 completely because of elastic ring 205 distortion.
Embodiment 5:
As shown in Figure 1, the present embodiment, on above-mentioned any one embodiment's basis, is provided with seal ring B208 between described cylindrical shell 201 ends and described regulating lever 202.
Seal ring B208 is set, can stops the rock gas in valve body 1 to enter cylindrical shell 201, further avoid the possibility of leaking.
As mentioned above, can realize preferably the present invention.
Claims (5)
1. many grades of flow control valves, is characterized in that:
Comprise valve body (1) and spool (2);
Valve body (1) comprises inlet end (101), outlet side (102) and is connected with valve body (1) internal surface and is positioned at the spacer body (103) between inlet end (101) and outlet side (102), spacer body (103) comprises horizontal segment, the vertical section being connected with horizontal segment two ends, offers vent (104) on horizontal segment;
The top of valve body (1) offers the spool mounting hole (105) corresponding with vent (104);
Spool (2) comprises cylindrical shell (201), regulating lever (202) and adjusts body (203), cylindrical shell (201) is fixed in spool mounting hole (105), regulating lever (202) runs through the two ends of cylindrical shell (201), adjusting body (203) is connected with the bottom of regulating lever (202), adjust body (203) and be arranged in vent (104), the outer surface of adjusting body (203) contacts with the internal surface of vent (104);
On the periphery of adjustment body (203), evenly offer from top to bottom a plurality of inlet holes (204), inlet hole (204) extends to the bottom of adjusting body (203);
Spool (2) also comprises and is arranged at the baffle plate (209) that regulating lever (202) is positioned at cylindrical shell (201) upper section, it is isosceles trapezoid that the thickness of baffle plate (209) reduces gradually to make the longitudinal cross-section of baffle plate (209) in the direction away from regulating lever (202), baffle plate (209) is equidistantly arranged from top to bottom, the quantity of baffle plate (209) is more one than the quantity of inlet hole (204), and the maximum ga(u)ge of baffle plate (209) equates with the spacing of inlet hole (204);
Spool (2) also comprises the positioning body (210) that is arranged at cylindrical shell (201) top, on positioning body (210), offer horizontal hole (211), in horizontal hole (211), be provided with spring (212) and positioning block (213), one end of spring (212) is connected with the bottom of horizontal hole (211), the other end of spring (212) is connected with positioning block (213), positioning block (213) is measure-alike near the size of regulating lever (202) one end and the gap between adjacent two baffle plates (209), positioning block (213) embeds in the gap between adjacent two baffle plates (209) under the effect of spring (212), when positioning block (213) embeds from top to bottom N gap, N inlet hole is over against the internal surface of vent (104) from top to bottom, and N is more than or equal to 1 positive integer.
2. many grades of flow control valves according to claim 1, is characterized in that:
The internal surface of described vent (104) is provided with seal ring A(106), the outer surface of described adjustment body (203) and seal ring A(106) contact.
3. many grades of flow control valves according to claim 1, is characterized in that:
Described spool (2) also comprise the elastic ring (205) that is connected with the internal surface of described cylindrical shell (201), with the elastic sleeve (206) that elastic ring (205) internal surface is connected, elastic sleeve (206) is placed on described regulating lever (202).
4. many grades of flow control valves according to claim 3, is characterized in that:
Described spool (2) also comprises the limited ring (207) being connected with the internal surface of described cylindrical shell (201), limited ring (207) contacts with the upper surface of described elastic ring (205), between the internal surface of limited ring (207) and the outer surface of described regulating lever (202), has gap.
5. many grades of flow control valves according to claim 1, is characterized in that:
Between described cylindrical shell (201) end and described regulating lever (202), be provided with seal ring B(208).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410358912.6A CN104179988A (en) | 2014-07-27 | 2014-07-27 | Multi-level flow regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410358912.6A CN104179988A (en) | 2014-07-27 | 2014-07-27 | Multi-level flow regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104179988A true CN104179988A (en) | 2014-12-03 |
Family
ID=51961237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410358912.6A Pending CN104179988A (en) | 2014-07-27 | 2014-07-27 | Multi-level flow regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104179988A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1179693A (en) * | 1997-09-12 | 1999-03-23 | Toyota Autom Loom Works Ltd | Tilt stopper device for fork lift truck |
| CN2893356Y (en) * | 2006-04-04 | 2007-04-25 | 贾平俊 | Adjusting water-saving tap |
| CN201031956Y (en) * | 2007-06-06 | 2008-03-05 | 周翔 | Long opening type two-pass flow control valve |
| WO2010080247A1 (en) * | 2009-01-06 | 2010-07-15 | Woodward Governor Company | Fluid control valve |
| CN201954089U (en) * | 2010-12-16 | 2011-08-31 | 杜华甫 | Single-handle faucet with gear adjusting function |
| CN202746609U (en) * | 2012-08-16 | 2013-02-20 | 欧文托普阀门系统(北京)有限公司 | Large flow valve |
| CN203421182U (en) * | 2013-09-02 | 2014-02-05 | 浙江金锋自动化仪表有限公司 | Multistage depressurization adjusting valve |
-
2014
- 2014-07-27 CN CN201410358912.6A patent/CN104179988A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1179693A (en) * | 1997-09-12 | 1999-03-23 | Toyota Autom Loom Works Ltd | Tilt stopper device for fork lift truck |
| CN2893356Y (en) * | 2006-04-04 | 2007-04-25 | 贾平俊 | Adjusting water-saving tap |
| CN201031956Y (en) * | 2007-06-06 | 2008-03-05 | 周翔 | Long opening type two-pass flow control valve |
| WO2010080247A1 (en) * | 2009-01-06 | 2010-07-15 | Woodward Governor Company | Fluid control valve |
| CN201954089U (en) * | 2010-12-16 | 2011-08-31 | 杜华甫 | Single-handle faucet with gear adjusting function |
| CN202746609U (en) * | 2012-08-16 | 2013-02-20 | 欧文托普阀门系统(北京)有限公司 | Large flow valve |
| CN203421182U (en) * | 2013-09-02 | 2014-02-05 | 浙江金锋自动化仪表有限公司 | Multistage depressurization adjusting valve |
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Application publication date: 20141203 |
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