CN201236982Y - Constant-current valve - Google Patents
Constant-current valve Download PDFInfo
- Publication number
- CN201236982Y CN201236982Y CNU2007203109321U CN200720310932U CN201236982Y CN 201236982 Y CN201236982 Y CN 201236982Y CN U2007203109321 U CNU2007203109321 U CN U2007203109321U CN 200720310932 U CN200720310932 U CN 200720310932U CN 201236982 Y CN201236982 Y CN 201236982Y
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- Prior art keywords
- valve
- permanent
- water
- flow
- flow valve
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- Expired - Fee Related
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Abstract
The utility model discloses a permanent flow valve, which aims to solve the problem that the permanent flow effect is bad in the structure of the prior permanent flow valve, and comprises a control valve, wherein, a water outlet end of the control valve is fixedly connected with a water inlet end of a slide valve; and a pressure storage device is also arranged on the permanent flow valve. In the permanent flow valve, the pressure storage device is added to the structure of the prior permanent flow valve, so when the medium flow rate generates cyclical fluctuations along with the pump capacity after the permanent flow valve works normally, a piston is pushed to compress a spring to absorb the pressure if the medium flow rate is increased and the pressure is increased; and if the medium flow rate is reduced and the pressure is decreased, the piston is pushed to lead the medium to return back to the inner part of a valve body so as to replenish the flow rate under the action of the spring, thereby keeping the permanent flow rate of the medium. The permanent flow valve is suitable for oil fields, various industrial flows and pipelines needing smooth water injection.
Description
Technical field
The utility model relates to a kind of permanent-flow valve, belongs to valve technology field.
Background technique
Permanent-flow valve is in oil field and the various industrial flow, need the held stationary water filling and the valve products developed, but the use of this product is still undesirable at present.In a kind of structure of existing permanent-flow valve, come water to enter valve from import after, by regulating the aperture of modulating valve, make flow meet the requirements of the injection allocation water yield, come water to enter the control guiding valve then,, make water flow keep stable by modulating valve by the piston and the Regulation spring Compositional balance mechanism of guiding valve; This structure more complicated, the requirement on machining accuracy height owing to enter the endoceliac water flow of valve body when big, can't be discharged simultaneously, flow hour, water can't replenish, so the constant current poor effect.
In the another kind of structure of existing permanent-flow valve, come water to enter valve from import after, by regulating the aperture of modulating valve, make flow meet the requirements of the injection allocation water yield, come water to enter the valve body body cavity then, the circulation area by modulating valve makes water flow keep stable again; In this structure, enter the endoceliac water of valve body and passed through twice throttling and regulate, but when still existing flow big, water can't be discharged, flow hour, the problem that water can't replenish, so the constant current effect is not good yet.
Two kinds of structural designs of above-mentioned existing permanent-flow valve all are the circulation areas by the change medium, reach the purpose that keeps constant flow, but the circulation area minimizing will cause pressure to raise, and flow velocity increases, and changes in flow rate is little; Circulation area increases, and will cause pressure to reduce, and flow velocity diminishes, and flow still fluctuates with the pump cyclically-varying, does not reach the purpose of constant current.
The model utility content
The utility model provides a kind of injection flow stable permanent-flow valve.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
The utility model permanent-flow valve comprises a modulating valve, fixedlys connected with the feed-water end of a guiding valve in the waterexit end of this modulating valve; Also be provided with a storage pressure device on the described permanent-flow valve.
Further, described storage pressure device comprises that an end of columnar cylinder body, cylinder body is provided with the adjusting end cap, and the other end is provided with feed-water end, is provided with the storage laminated structure in the cylinder body; The storage that is provided with on described feed-water end and the guiding valve extrudes water end (W.E.) and fixedlys connected.
Wherein, described storage laminated structure is by being built in the piston in the cylinder body and being arranged on piston and the spring regulated between the end cap is formed.
Alternatively, described storage laminated structure is the air bag that is built in the cylinder body.
Further, described modulating valve comprises a valve seat, and this valve seat bore is with the adjustable lever that an end is the frustoconic shape spool to being provided with water channel, being axially arranged with and passing the adjustment hole that this crosses water channel in the adjustment hole.
Described guiding valve comprises a columnar valve body, fixedlys connected with the sidewall of modulating valve in this valve body bottom, and the feed-water end of valve body bottom is communicated with the waterexit end of modulating valve; The valve body internal fixation has cup shape sliding sleeve, and its opening end is connected with the valve seat of the multistage column with water channel that is enclosed within the valve body bottom, and its other end has a center through hole; Be provided with the slide core of cup shape in this sliding sleeve, its opening end is inserted on a big rank cylinder of valve seat, its the other end sealing is provided with spring outside the small step column face of this slide core and between the closed end, and closed end is connected with the adjusting end cap by a slide block that passes described sliding sleeve center through hole; The nearly valve body of described valve body and sliding sleeve opposing sidewalls bottom is provided with the through hole that two covers are communicated with, and slide core opening end end face is positioned on the passage of two cover through holes.
Preferably, the valve body of described guiding valve bottom is one-body molded with the sidewall of modulating valve.
The utility model permanent-flow valve is by increase a storage pressure device in existing permanent-flow valve structure, after the permanent-flow valve proper functioning, when rate-of flow produced periodic fluctuation with pump duty, if rate-of flow increases, pressure raise, then promote the Piston Compression spring, absorption pressure; If rate-of flow reduces, pressure reduces, and then under spring action, promotes piston, and medium is returned in the valve body, replenishes flow, thereby keeps the constant flow of medium.
Description of drawings
Fig. 1 is the schematic representation of the preferred embodiment of the utility model permanent-flow valve;
Fig. 2 is the schematic representation of the storage pressure device in the permanent-flow valve shown in Figure 1;
Fig. 3 is the schematic representation of the modulating valve in the permanent-flow valve shown in Figure 1;
Fig. 4 is the schematic representation of the guiding valve in the permanent-flow valve shown in Figure 1.
Embodiment
In order to make those skilled in the art person understand the utility model scheme better, and above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1, the preferred embodiment of the utility model permanent-flow valve comprises that one has the modulating valve 20 of water intake 21, and this water intake 21 has intake tunnel with a water inlet link 10 and is connected; Fixedly connected with the feed-water end 31 of a guiding valve 30 in the waterexit end 22 of modulating valve 20, the water outlet 32 of this guiding valve 30 is connected with the exhalant canal of a water outlet link 50; Come water to enter,, then, flow out by water outlet link 50 through modulating valve 20 and guiding valve 30 by water inlet link 10.
Also be provided with a storage on the described guiding valve 30 and extrude water end (W.E.) 33, this storage extrudes water end (W.E.) 33 and fixedlys connected with a storage pressure device 60, as shown in Figure 2, this storage pressure device 60 comprises that an end of columnar cylinder body 61, cylinder body 61 is provided with adjusting end cap 62, the other end is provided with described storage and extrudes the feed-water end 63 that water end (W.E.) 33 is fixedlyed connected, and is provided with storage laminated structure 64 in the cylinder body; Described storage laminated structure 64 is by being built in the piston 641 in the cylinder body and being arranged on piston 641 and the spring 642 regulated between the end cap 62 is formed; When coming water flow to strengthen, come water then to enter storage pressure device 60 through the storage extrusion water end (W.E.) 33 of guiding valve 30, promote piston 641 pressure springs 642, absorb water flow to strengthen the pressure of generation; When coming water flow to reduce, 642 on the spring of storage pressure device 60 promotes piston 641, and water is returned in the guiding valve 30, replenishes flow, makes the water flow in the valve body keep constant.
Wherein, described modulating valve 20 comprises a valve seat 23, radially is provided with water channel 24 in this valve seat 23, is axially arranged with and passes this adjustment hole of crossing water channel 24 25, and being with an end in the adjustment hole 25 is the adjustable lever 26 of frustoconic shape spool 27; The described water intake 21 of crossing water channel 24 is connected with the waterexit end of water inlet link 10, and its waterexit end 22 is connected with the feed-water end 31 of described guiding valve 30; By turn adjustable lever 26, can regulate is crossed the water amount of water channel 24, thereby regulates the flow of whole valve.
Wherein, described guiding valve 30 comprises a columnar valve body 34, and an end of this valve body 34 connects one and regulates end cap 35, fixedlys connected with the sidewall of modulating valve 20 in these valve body 34 bottoms, and the feed-water end 31 of valve body 34 bottoms is connected with the waterexit end 22 of modulating valve 20; Valve body 34 internal fixation have the sliding sleeve 36 of cup shape, and its opening end is connected with the valve seat 37 of the multistage column with water channel that is enclosed within valve body 34 bottoms, and its other end has a center through hole 38; Be provided with the slide core 39 of cup shape in this sliding sleeve 36, its opening end is inserted on the cylinder of the big rank of valve seat 37, its the other end sealing is provided with spring outside the small step column face of this slide core 39 and between the closed end, and closed end is connected with adjusting end cap 35 by a slide block 41 that passes described sliding sleeve 36 center through hole 38; The nearly valve seat of described valve body 34 and sliding sleeve 36 opposing sidewalls 34 bottoms are provided with the through hole 42,43 that two covers are communicated with, and slide core 39 opening end end faces are positioned on the passage of two cover through holes 42,43; Wherein, a cover through hole 42 is compressed into water end (W.E.) 33 with described storage and is communicated with, and another set of through hole 43 is communicated with the exhalant canal of described water outlet link 50.The slide core 39 of described guiding valve 30 sliding sleeve 36 is relatively slided, by regulating end cap 35 slide core 39 is moved under the promotion of spring relative to sliding sleeve 36 generations, thereby regulate sliding sleeve 36 opening end end faces in the position of through hole 42,43, and then controlled water flow enters the flow of outlet link 50 from guiding valve 30.
The working procedure of the utility model permanent-flow valve is as follows:
Come water to enter modulating valve 20, enter guiding valve 30, then, flow out this permanent-flow valve through water outlet link 50 through modulating valve 20 through water inlet link 10; In modulating valve 20, carry out a water yield and regulate,, make the flow of water to meet the requirements of the injection allocation water yield by regulating the aperture of modulating valve 20; In guiding valve 30, carry out the secondary water yield and regulate, by regulating the position of sliding sleeve 36 opening end end faces, the water flow in the control guiding valve 30; At this moment, if water flow strengthens, pressure raises, and then promotes piston 641 pressure springs 642 of storage pressure device 60, strengthens the pressure that produces thereby absorb flow; If water flow reduces, pressure reduces, and then piston 641 returns in the guiding valve 30 water under the effect of spring 642, thereby keeps the constant of water flow.
Permanent-flow valve in the present embodiment is applicable to the environment of high pressure water injection; If permanent-flow valve of the present invention uses in the mesolow environment, then piston and spring in the storage press mechanism of storage pressure device can be replaced by air bag, can realize goal of the invention equally.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (7)
1, a kind of permanent-flow valve comprises a modulating valve, fixedlys connected with the feed-water end of a guiding valve in the waterexit end of this modulating valve; It is characterized in that, also be provided with a storage pressure device on the described permanent-flow valve.
2, permanent-flow valve according to claim 1 is characterized in that, described storage pressure device comprises that an end of columnar cylinder body, cylinder body is provided with the adjusting end cap, and the other end is provided with feed-water end, is provided with the storage laminated structure in the cylinder body; The storage that is provided with on described feed-water end and the guiding valve extrudes water end (W.E.) and fixedlys connected.
3, permanent-flow valve according to claim 2 is characterized in that: described storage laminated structure is by being built in the piston in the cylinder body and being arranged on piston and the spring regulated between the end cap is formed.
4, permanent-flow valve according to claim 2 is characterized in that: described storage laminated structure is the air bag that is built in the cylinder body.
5, permanent-flow valve according to claim 1 is characterized in that: described modulating valve comprises a valve seat, and this valve seat bore is with the adjustable lever that an end is the frustoconic shape spool to being provided with water channel, being axially arranged with and passing the adjustment hole that this crosses water channel in the adjustment hole.
6, permanent-flow valve according to claim 1 is characterized in that: described guiding valve comprises a columnar valve body, fixedlys connected with the sidewall of modulating valve in this valve body bottom, and the feed-water end of valve body bottom is communicated with the waterexit end of modulating valve; The valve body internal fixation has cup shape sliding sleeve, and its opening end is connected with the valve seat of the multistage column with water channel that is enclosed within the valve body bottom, and its other end has a center through hole; Be provided with the slide core of cup shape in this sliding sleeve, its opening end is inserted on a big rank cylinder of valve seat, its the other end sealing is provided with spring outside the small step column face of this slide core and between the closed end, and closed end is connected with the adjusting end cap by a slide block that passes described sliding sleeve center through hole; The nearly valve body of described valve body and sliding sleeve opposing sidewalls bottom is provided with the through hole that two covers are communicated with, and slide core opening end end face is positioned on the passage of two cover through holes.
7, permanent-flow valve according to claim 6 is characterized in that: the valve body bottom of described guiding valve is one-body molded with the sidewall of modulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203109321U CN201236982Y (en) | 2007-12-18 | 2007-12-18 | Constant-current valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203109321U CN201236982Y (en) | 2007-12-18 | 2007-12-18 | Constant-current valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201236982Y true CN201236982Y (en) | 2009-05-13 |
Family
ID=40649713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203109321U Expired - Fee Related CN201236982Y (en) | 2007-12-18 | 2007-12-18 | Constant-current valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201236982Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829223A (en) * | 2012-09-08 | 2012-12-19 | 环球阀门集团有限公司 | Multistage adjusting constant flow valve |
| WO2013097431A1 (en) * | 2011-12-29 | 2013-07-04 | 珠海铂鸥卫浴用品有限公司 | Overflow protection valve |
| CN104793649A (en) * | 2015-04-21 | 2015-07-22 | 永兴县东宸有色金属再生利用有限公司 | Lead solution discharge controlling device |
| CN104455470B (en) * | 2014-10-10 | 2017-03-08 | 程少春 | A kind of high pressure resistant reverse needle valve |
| CN110950427A (en) * | 2019-12-02 | 2020-04-03 | 广州市新之地环保产业股份有限公司 | Constant-flow water outlet adjusting device of integrated equipment |
| CN111364957A (en) * | 2020-04-09 | 2020-07-03 | 中国石油天然气股份有限公司 | Miniaturized constant-current water distribution structure and detection device thereof |
-
2007
- 2007-12-18 CN CNU2007203109321U patent/CN201236982Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013097431A1 (en) * | 2011-12-29 | 2013-07-04 | 珠海铂鸥卫浴用品有限公司 | Overflow protection valve |
| US9097352B2 (en) | 2011-12-29 | 2015-08-04 | Zhuhai Bow Kitchen & Bath Products Co., Ltd. | Relief valve for overload protection |
| CN102829223A (en) * | 2012-09-08 | 2012-12-19 | 环球阀门集团有限公司 | Multistage adjusting constant flow valve |
| CN104455470B (en) * | 2014-10-10 | 2017-03-08 | 程少春 | A kind of high pressure resistant reverse needle valve |
| CN104793649A (en) * | 2015-04-21 | 2015-07-22 | 永兴县东宸有色金属再生利用有限公司 | Lead solution discharge controlling device |
| CN104793649B (en) * | 2015-04-21 | 2017-05-31 | 永兴县东宸有色金属再生利用有限公司 | Lead solution emission control system |
| CN110950427A (en) * | 2019-12-02 | 2020-04-03 | 广州市新之地环保产业股份有限公司 | Constant-flow water outlet adjusting device of integrated equipment |
| CN111364957A (en) * | 2020-04-09 | 2020-07-03 | 中国石油天然气股份有限公司 | Miniaturized constant-current water distribution structure and detection device thereof |
| CN111364957B (en) * | 2020-04-09 | 2024-03-01 | 中国石油天然气股份有限公司 | Miniaturized constant-current water distribution structure and detection device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 Termination date: 20100118 |