CN201636351U - Large-flow adjustable ratio control valve - Google Patents
Large-flow adjustable ratio control valve Download PDFInfo
- Publication number
- CN201636351U CN201636351U CN2010201714025U CN201020171402U CN201636351U CN 201636351 U CN201636351 U CN 201636351U CN 2010201714025 U CN2010201714025 U CN 2010201714025U CN 201020171402 U CN201020171402 U CN 201020171402U CN 201636351 U CN201636351 U CN 201636351U
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- valve
- gland
- spool
- valve core
- valve seat
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- Expired - Lifetime
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Abstract
The utility model relates to a large-flow adjustable ratio control valve, which comprises a valve body, a valve cap, a valve seat and a driving shaft; a valve seat mounting hole is formed in the valve body; the valve seat is mounted in the valve seat mounting hole; a large valve core is mounted in the valve core mounting hole; the valve cap is fixedly and hermetically mounted on the valve body; a driving shaft is spliced in the valve body and the valve cap; a retainer spring is sleeved on the driving shaft; a pressing sleeve is arranged in the valve chamber of the valve body and mounted above the valve seat; the top end of the pressing sleeve is propped against the bottom end of the valve cap; the bottom end of the pressing sleeve is propped against the upper end surface of the valve seat; the valve core pressing sleeve is connected in the inner hole of the pressing sleeve; the bottom end of the retainer spring is propped against the valve core pressing sleeve; a large valve core hole is formed in the large valve core; the bottom end of the driving shaft is connected with a small valve core; and a drive piece is fixed on the driving shaft. Both the large-flow adjustment and the small-flow adjustment can be realized on the valve body of the control valve, and two original sets of schemes of valves can be completely replaced, so as to save massive investment cost for the enterprise.
Description
Technical field
The utility model relates to the valve that a kind of actual regulating ratio can reach 100: 1, especially a kind of high-flow adjustable ratio control valve.
Background technique
At present, raising day by day along with the industrial automation industrial level, the flow control of wide range has become a kind of trend, general enterprise is in order to reach the big regulating ratio of flow, all use two deck valve doors to control respectively simultaneously, carry out main by-pass valve control, divide the process control principle, little valve is realized small flow, and big valve is realized big flow.Though this scheme also is feasible, can satisfy on-the-spot technological requirement, but cost of investment is too high, the user must buy two cover control valves, disposes main bypass duct, lay two cover communication cables, sometimes also needs to buy the two ends manually operated valve of bypath system control valve, and such cost of investment is too big, but the no one of valve producer improves, because this method is safety both, again can the oversold product, the earning profit.So realizing the valve of big regulating ratio requirement with a deck valve door almost is blank in this field, even saying, the producer that has can do, big regulating ratio that neither be truly, adjustable extent is also very limited.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of adjusting that both can realize big flow is provided, also can realize the adjusting of small flow, can replace two original cover valve schemes fully, save the high-flow adjustable ratio control valve of great amount of investment cost for enterprise.
The technological scheme that provides according to the utility model, described high-flow adjustable ratio control valve, comprise valve body, valve gap, valve seat and live axle, in valve body, be provided with the valve seat mounting hole, in the valve seat mounting hole, valve seat is installed, on valve seat, offer the spool mounting hole, valve seat and valve body contact position are and are tightly connected, in the spool mounting hole, big valve core is installed, fixing seal is equipped with valve gap on valve body, be plugged with live axle at valve body and valve gap inside, on live axle, be socketed with holddown spring, in the valve pocket of valve body, be provided with gland, gland offers pressing sleeve hole, described gland is installed in the valve seat top, the tip portion of gland and valve gap bottom offset, the bottom of gland and valve seat upper-end surface offset, sealing slidely connects the spool gland in the endoporus of gland, and the spool gland is fixedlyed connected with big valve core, and described holddown spring bottom is against on the spool gland, in big valve core, offer the big valve core hole, the bottom of live axle is connected with small valve core, and small valve core cooperates with the big valve core hole, is fixed with the driving plate that is used to drive the spool gland on live axle, driving plate and big valve core inwall are and are tightly connected, and offer the driving film perforation on driving plate.
On valve seat, offer closure gasket groove, in closure gasket groove, be provided with valve washer around the valve seat mounting hole.
Top end at the spool gland offers spool gland annular groove, and the bottom of described holddown spring embeds in the spool gland annular groove.
The live axle that is positioned at valve gap is socketed with filler outward, the below of filler is provided with matrix liner, is provided with the filler spacer above filler, is provided with the filler gland above the filler spacer, be provided with hold-down grid above the filler gland, described hold-down grid is with valve gap fixedlys connected.
The big valve core that is plugged in the spool mounting hole is one section cone.
On valve body of the present utility model, both can realize the adjusting of big flow, also can realize the adjusting of small flow, can replace original two cover valve schemes fully, be that enterprise saves the great amount of investment cost, and valve body, valve seat part are used common single-seat valve structural drawings fully, do not need to reopen mould, other parts are also only done a little and are changed in addition, can accomplish to greatest extent and the versatility of common single-seat valve, have saved manufacture cost.
Description of drawings
Fig. 1 is an overall structure schematic representation of the present utility model.
Fig. 2 is the enlarged diagram of A part among Fig. 1.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in the figure, the utility model is mainly by valve body 1, valve seat mounting hole 1.1, valve gap 2, big valve core 3, live axle 4.1, small valve core 4.2, driving plate 4.3, drive film perforation 4.4, valve seat 5, spool mounting hole 5.1, gland 6, pressing sleeve hole 6.1, spool gland 7, spool gland annular groove 7.1, holddown spring 8, the one O type circle 31, the 2nd O type circle 32, matrix liner 33, filler 34, filler spacer 35, filler gland 36, hold-down grid 37, stud 38, locking nut 39, stud 51, hexagon nut 52, valve washer 53 constitutes with valve gap packing ring 54 parts such as grade.
This high-flow adjustable ratio control valve, comprise valve body 1, valve gap 2, valve seat 5 and live axle 4.1, in valve body 1, be provided with valve seat mounting hole 1.1, valve seat 5 is installed in valve seat mounting hole 1.1, on valve seat 5, offer spool mounting hole 5.1, valve seat 5 is with valve body 1 contact position and is tightly connected, big valve core 3 is installed in spool mounting hole 5.1, on valve body 1, pass through stud 51, hexagon nut 52 and valve gap packing ring 54 fixing seals are equipped with valve gap 2, be plugged with live axle 4.1 in valve body 1 and valve gap 2 inside, on live axle 4.1, be socketed with holddown spring 8, in the valve pocket of valve body 1, be provided with gland 6, gland 6 offers pressing sleeve hole 6.1, described gland 6 is installed in valve seat 5 tops, the tip portion of gland 6 and valve gap 2 bottoms offset, the bottom of gland 6 and valve seat 5 upper-end surfaces offset, sealing slidely connects spool gland 7 in the endoporus of gland 6, spool gland 7 is fixedlyed connected with big valve core 3, described holddown spring 8 bottoms are against on the spool gland 7, in big valve core 3, offer big valve core hole 3.1, the bottom of live axle 4.1 is connected with small valve core 4.2, small valve core 4.2 cooperates with big valve core hole 3.1, on live axle 4.1, be fixed with the driving plate 4.3 that is used to drive spool gland 7, driving plate 4.3 is with big valve core 3 inwalls and is tightly connected, and offers on driving plate 4.3 and drives film perforation 4.4.
On valve seat 5, offer closure gasket groove 55, in closure gasket groove 55, be provided with valve washer 53 around valve seat mounting hole 1.1.
Top end at spool gland 7 offers spool gland annular groove 7.1, and the bottom of described holddown spring 8 embeds in the spool gland annular groove 7.1.
Be positioned at the live axle 4.1 outer fillers 33 that are socketed with of valve gap 2, the below of filler 33 is provided with matrix liner 34, above filler 33, be provided with filler spacer 35, above filler spacer 35, be provided with filler gland 36, above filler gland 36, be provided with hold-down grid 37, described hold-down grid 37 is fixedly mounted on the valve gap 2 by stud 38 and locking nut 39, is provided with an O type circle 31 at filler gland 36 outer wall perisporiums, at the endoporus perisporium of filler gland 36 the 2nd O type circle 32 is set.
The big valve core 3 that is plugged in the spool mounting hole 5.1 is one section cone.
In Fig. 1 and Fig. 2, can see that live axle 4.1 is threaded in spool gland 7 usefulness on the big valve core 3 after putting big valve core 3 into small valve core 4.2, live axle 4.1 can be realized small valve core 4.2 moving in big valve core 3 spaces under the pulling of actuator.Small valve core 4 is when moving to top, and 6 drive big valve cores 3 move upward together thereby the driving plate 4.3 on the live axle 4.1 heads on gland from the bottom up.
As can see from Figure 2, by the structure of a holddown spring 8 is set on spool gland 7.As seen in Figure 1, holddown spring 8 is by after being connected of valve gap 2 and valve body 1, can produce the pretightening force an of necessity, this pretightening force is that the dimension synthesis according to user's actual pressure and big valve core 3, small valve core 4.2 calculates, and the leakage class that will meet the demands.The pretightening force of holddown spring 8 is pressed on the spool gland 7, can produce a pretightening force to big valve core 3, thereby guarantee that small valve core 4.2 is when moving upward, big valve core 3 can not produce mobile under the effect of holddown spring 8 pretightening forces, the pretightening force of holddown spring 8 can overcome the unbalanced force that fluid produces, can be because of the pressure of fluid mobile big valve core 3.
As can be seen from the figure, the stroke of small valve core 4.2 when small valve core 4.2 runs to range, can drive 8 motions of big valve core 3 compression holddown springs by the inner space decision of big valve core 3.During small valve core 4.2 actions, flow is realized the purpose that small flow is regulated after flowing out valve from the big valve core hole 3.1 of big valve core 3.The negotiability that the stroke design consideration actual parameter of big valve core 3, small valve core 4.2 calculates is carried out the distribution of big or small spool stroke, thereby draws comparatively ideal flow adjustment curve.
When big valve core 3 operations, actuator must overcome the active force of holddown spring 8.So when selecting actuator's thrust, must take into full account the extra thrust of this part.
Claims (5)
1. high-flow adjustable ratio control valve, comprise valve body (1), valve gap (2), valve seat (5) and live axle (4.1), in valve body (1), be provided with valve seat mounting hole (1.1), valve seat (5) is installed in valve seat mounting hole (1.1), on valve seat (5), offer spool mounting hole (5.1), valve seat (5) and valve body (1) contact position are and are tightly connected, big valve core (3) is installed in spool mounting hole (5.1), go up fixing seal at valve body (1) valve gap (2) is installed, be plugged with live axle (4.1) in valve body (1) and valve gap (2) inside, on live axle (4.1), be socketed with holddown spring (8), in the valve pocket of valve body (1), be provided with gland (6), gland (6) offers pressing sleeve hole (6.1), described gland (6) is installed in valve seat (5) top, the tip portion of gland (6) and valve gap (2) bottom offset, the bottom of gland (6) and valve seat (5) upper-end surface offset, sealing slidely connects spool gland (7) in the endoporus of gland (6), spool gland (7) is fixedlyed connected with big valve core (3), described holddown spring (8) bottom is against on the spool gland (7), it is characterized in that: in big valve core (3), offer big valve core hole (3.1), the bottom of live axle (4.1) is connected with small valve core (4.2), small valve core (4.2) cooperates with big valve core hole (3.1), on live axle (4.1), be fixed with the driving plate (4.3) that is used to drive spool gland (7), driving plate (4.3) and big valve core (3) inwall are and are tightly connected, and offer on driving plate (4.3) and drive film perforation (4.4).
2. high-flow adjustable ratio control valve as claimed in claim 1 is characterized in that: go up around valve seat mounting hole (1.1) at valve seat (5) and offer closure gasket groove (55), be provided with valve washer (53) in closure gasket groove (55).
3. high-flow adjustable ratio control valve as claimed in claim 1 is characterized in that: the top end at spool gland (7) offers spool gland annular groove (7.1), and the bottom of described holddown spring (8) embeds in the spool gland annular groove (7.1).
4. high-flow adjustable ratio control valve as claimed in claim 1, it is characterized in that: the outer filler (33) that is socketed with of live axle (4.1) that is positioned at valve gap (2), the below of filler (33) is provided with matrix liner (34), be provided with filler spacer (35) in the top of filler (33), be provided with filler gland (36) in filler spacer (35) top, be provided with hold-down grid (37) in filler gland (36) top, described hold-down grid (37) is with valve gap (2) fixedlys connected.
5. high-flow adjustable ratio control valve as claimed in claim 1 is characterized in that: the big valve core (3) that is plugged in the spool mounting hole (5.1) is one section cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201714025U CN201636351U (en) | 2010-04-13 | 2010-04-13 | Large-flow adjustable ratio control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201714025U CN201636351U (en) | 2010-04-13 | 2010-04-13 | Large-flow adjustable ratio control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201636351U true CN201636351U (en) | 2010-11-17 |
Family
ID=43080843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201714025U Expired - Lifetime CN201636351U (en) | 2010-04-13 | 2010-04-13 | Large-flow adjustable ratio control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201636351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813192A (en) * | 2010-04-13 | 2010-08-25 | 无锡市亚迪流体控制技术有限公司 | High-flow adjustable ratio control valve |
-
2010
- 2010-04-13 CN CN2010201714025U patent/CN201636351U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813192A (en) * | 2010-04-13 | 2010-08-25 | 无锡市亚迪流体控制技术有限公司 | High-flow adjustable ratio control 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 |
Granted publication date: 20101117 Effective date of abandoning: 20110608 |