CN205155281U - Dynamic balance manual regulation valve - Google Patents

Dynamic balance manual regulation valve Download PDF

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Publication number
CN205155281U
CN205155281U CN201520798747.6U CN201520798747U CN205155281U CN 205155281 U CN205155281 U CN 205155281U CN 201520798747 U CN201520798747 U CN 201520798747U CN 205155281 U CN205155281 U CN 205155281U
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China
Prior art keywords
pressure
valve
handwheel
cover
dynamic balance
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CN201520798747.6U
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Chinese (zh)
Inventor
刘勇
李海清
高国友
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Beijing Hailin Automatic Control Technology Co.,Ltd.
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Beijing Hailin Lvjian Energy Saving Technology Co Ltd
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Abstract

The utility model discloses a dynamic balance manual regulation valve includes the valve body, valve gap and install the case in the valve body, have the sealed intake antrum that separates on the valve body and go out the water cavity, the case includes the urceolus of fixing with the valve body, the pressure sensing section of thick bamboo of sliding fit in the urceolus, sealing connection is in the bottom of urceolus bottom, install the valve shaft on the bottom, one end is fixed in the epaxial elastomeric element of valve and one end is fixed in two epaxial elastomeric element on the valve, the water inlet that is linked together with the intake antrum has on the urceolus, the delivery port that is linked together with a water cavity, an elastomeric element's the other end acts on on the pressure sensing section of thick bamboo, the 2nd elastomeric element's the other end acts on on the bottom, the pressure sensing barrel casing is adorned on the valve shaft, and a pressure sensing section of thick bamboo has intake end pressure sensing chamber and the rivers passageway that separates mutually respectively in the both sides of self slip direction, the rivers passageway communicates between water inlet and delivery port, the flow balance mouth has on the lateral wall of a pressure sensing section of thick bamboo. This dynamic balance manual regulation valve can improve the flow control effect of pipe network.

Description

Dynamic balance manual regulating valve
Technical field
The utility model relates to the structure-design technique field of hydrovalve, particularly relates to a kind of dynamic balance manual regulating valve.
Background technique
In fluid supply DRS pipe network variable water volume system, need the resistance design system pressure according to loop, usually only design according to the resistance of index circuit.But when the actuating pressure of index circuit is ensured, the actuating pressure of other node much larger than design load, may cause the hydraulic misadjustment of system.In addition, the type selecting of water pump is excessive or improper also can cause operating flux off-design value, and the water conservancy of system also can be caused to lack of proper care.And the problem that water conservancy is lacked of proper care appears in pipe network, a large amount of wastes of the energy, the increase of running noises and the shortening of service life of equipment will be caused.
In order to alleviate or eliminate the phenomenon of hydraulic pipeline imbalance, need constantly to debug system, this kind of mode not only bothers, the at substantial time, the more important thing is that this adjustment is delayed, consequently actual when using system still there is the phenomenon of water conservancy imbalance at any time.The countermeasure utilizing dynamic flow balance valve to address this is that also is there is in conventional art, but this kind of dynamic flow balance valve uses elastomer diaphragm as pressure balance part, in or Environmental Conditions that pressure is higher poor in water quality, damaging easily appears in elastomer diaphragm, causes the function of this dynamic flow balance valve therefore to be lost.
In sum, in conventional art, the Flow-rate adjustment effect of pipe network is unsatisfactory, therefore, how to improve the Flow-rate adjustment effect of pipe network, has become the technical barrier that those skilled in the art are urgently to be resolved hurrily.
Model utility content
The purpose of this utility model is to provide a kind of dynamic balance manual regulating valve, to improve the Flow-rate adjustment effect of pipe network.
To achieve these goals, the utility model provides following technological scheme:
A kind of dynamic balance manual regulating valve, comprise valve body, valve gap and the spool be installed in valve body, described valve body have the water-inlet cavity and water chamber that seal and separate, described spool comprises the urceolus fixing with described valve body, be snug fit at the pressure-sensitive cylinder in described urceolus, be sealedly attached to the bottom bottom described urceolus, be installed on the valve shaft on described bottom, one end is fixed on the first elastic member on described valve shaft and one end and is fixed on the second elastic member on described valve shaft, described urceolus has the water intake be connected with described water-inlet cavity, the water outlet be connected with described water chamber, the other end of described first elastic member acts on described pressure-sensitive cylinder, the other end of described second elastic member acts on described bottom, described pressure-sensitive jacket casing is loaded on described valve shaft, and described in pressure-sensitive cylinderhave the feed-water end pressure-sensitive chamber and flow channel that separate respectively in the both sides in own slip direction, described flow channel is communicated between described water intake and described water outlet, and the sidewall of described pressure-sensitive cylinder has flow equilibrium mouth.
Preferably, in above-mentioned dynamic balance manual regulating valve, also comprise hand wheel component, described hand wheel component comprises the live axle be fixedly connected with described handwheel with described valve gap relatively-stationary handwheel base, the handwheel be connected with described handwheel whorl of base, one end, described spool also comprises first damming cover of being fixedly connected with the other end of described live axle, described first cover that dams is snug fit at the inside of described urceolus, and described first cover that dams can cover described water intake gradually, described pressure-sensitive cylinder is snug fit at described first and dams in cover.
Preferably, in above-mentioned dynamic balance manual regulating valve, described spool also comprises and is snug fit at second in described urceolus and dams cover, described second cover that dams is fixed on described pressure-sensitive cylinder, described first cover that dams can apply to dam active force to described second cover that dams by described pressure-sensitive cylinder, covers described water outlet gradually to make described second cover that dams.
Preferably, in above-mentioned dynamic balance manual regulating valve, the outer surface of described valve gap have the first polygon facet and stopper protrusion, the internal surface of described handwheel base have the second polygon facet and limited impression, described first polygon facet and described second polygon facet coordinate along the circumference of described handwheel base is spacing, and described stopper protrusion and described limited impression coordinate along the axial limiting of described handwheel base.
Preferably, in above-mentioned dynamic balance manual regulating valve, described hand wheel component also comprises the block be set on described live axle, described live axle has the spacing shoulder keeping off mutually with described block and connecing, one end of described live axle has mounting groove, and described live axle is connected with described handwheel by jump ring pad and the jump ring be arranged in described mounting groove.
Preferably, in above-mentioned dynamic balance manual regulating valve, described handwheel has one-level graduation line, described handwheel base has reading window, described one-level graduation line is exposed in described reading window, described handwheel base has the one-level cross-line that multiple and described one-level graduation line matches.
Preferably, in above-mentioned dynamic balance manual regulating valve, described handwheel also has multiple secondary calibration line, each described secondary calibration line distributes along the circumference of described handwheel, and described handwheel base has the indicator collet relative with described secondary calibration line.
Preferably, in above-mentioned dynamic balance manual regulating valve, described reading window is at least two, and each described reading windows along the circumference distribution of described handwheel base.
Preferably, in above-mentioned dynamic balance manual regulating valve, described live axle comprises the first valve shaft being set in described valve gap inside, the second valve shaft filled with described pressure-sensitive jacket casing, described first valve shaft is threaded with described second valve shaft, and described first valve shaft and described first outer surface damming cover abut against.
Preferably, in above-mentioned dynamic balance manual regulating valve, described flow equilibrium mouth comprises the V-notch of multiple circumferencial direction along described pressure-sensitive cylinder arrangement.
In technique scheme, the dynamic balance manual regulating valve that the utility model provides comprises valve body, valve gap and spool, spool comprises urceolus, pressure-sensitive cylinder, bottom, valve shaft, first elastic member and the second elastic member, after using this modulating valve, if there is change in the pressure flowing through the water of modulating valve, to difference be there is in the pressure so in the feed-water end pressure-sensitive chamber of pressure-sensitive cylinder both sides and flow channel, under the effect of this difference, appearance is slided by pressure-sensitive cylinder, and now there is deformation in the first elastic member thereupon, but along with the increase of deformation quantity, first elastic member will apply reaction force to pressure-sensitive cylinder, pressure-sensitive cylinder is finally no longer moved relative to urceolus.Compared to the content introduced in background technique, above-mentioned dynamic balance manual regulating valve is by the effect between pressure-sensitive cylinder and the first elastic member, after hydraulic pressure is changed, the area correspondence of the flow equilibrium mouth on the sidewall of pressure-sensitive cylinder changes, and then ensures that the flow of modulating valve remains at setting flow.And this process is dynamically carried out in the working procedure of modulating valve, and the component realizing this adjustment are also not easy to occur damaging.Therefore, the dynamic balance manual regulating valve that the utility model provides has better Flow-rate adjustment effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the utility model, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the dynamic balance manual regulating valve that Fig. 1 provides for the utility model embodiment;
The structural representation of the spool that Fig. 2 provides for the utility model embodiment;
What Fig. 3 dammed cover for pressure-sensitive cylinder and second that the utility model embodiment provides coordinates schematic diagram;
Fig. 4 is the sectional view of structure shown in Fig. 3;
The structural representation of the urceolus that Fig. 5 provides for the utility model embodiment;
Fig. 6 is for the A-A of structure shown in Fig. 5 is to sectional view;
The structural representation of the hand wheel component that Fig. 7 provides for the utility model embodiment;
The structural representation of the handwheel base that Fig. 8 provides for the utility model embodiment;
Fig. 9 is the sectional view of structure shown in Fig. 8.
Description of reference numerals:
1-handwheel cover, 2-handwheel, 3-jump ring, 4-jump ring pad, 5-first valve shaft, 6-block, 7-handwheel base, 8-sealing cover, 9-first dams cover, 10-pressure-sensitive cylinder, 11-first elastic member, 12-second dams cover, 13-second valve shaft, 14-valve body, 15-second elastic member, 16-bottom, 17-locking nut, 18-pad, 19-bottom seal ring, 20-sealing gasket, 21-second dams cover seal ring, 22-urceolus seal ring, 23-urceolus, 24-valve bonnet seal circle, 25-valve gap, 26-U type seal ring, 27-sealing cover exterior seal ring, 28-sealing cover inner seal ring.
Embodiment
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with accompanying drawing, the utility model is further detailed.
As shown in figs 1-9, the utility model embodiment provides a kind of dynamic balance manual regulating valve, it spool comprising valve body 14, valve gap 25 and be installed in valve body 14.Wherein:
Valve body 14 has the water-inlet cavity and water chamber that seal and separate, water-inlet cavity and water chamber can be separated by the dividing plate in valve body 14, and water flows into from water-inlet cavity, and flows out from water chamber.Valve gap 25 is fixed on valve body 14, and both are tightly connected by valve bonnet seal circle 24.
Spool comprises the urceolus 23 fixing with valve body 14, the pressure-sensitive cylinder 10 be snug fit in urceolus 23, is sealedly attached to the bottom 16 bottom urceolus 23, the first elastic member 11 on valve shaft is fixed in the valve shaft be installed on bottom 16, one end and the second elastic member 15 on valve shaft is fixed in one end, the other end of the first elastic member 11 acts on pressure-sensitive cylinder 10, and the other end of the second elastic member 15 acts on bottom 16.
Urceolus 23 can directly embed on the dividing plate in valve body 14, it has the water intake be connected with water-inlet cavity, the water outlet be connected with water chamber; Urceolus seal ring 22 is set between urceolus 23 and dividing plate.Pressure-sensitive cylinder 10 is set on valve shaft, therefore pressure-sensitive cylinder 10 is installed on urceolus 23 by valve shaft and bottom 16, and pressure-sensitive cylinder 10 has the feed-water end pressure-sensitive chamber and flow channel that separate respectively in the both sides in own slip direction, this flow channel is communicated between water intake and water outlet, the sidewall of pressure-sensitive cylinder 10 has flow equilibrium mouth; Pressure in feed-water end pressure-sensitive chamber equals the pressure in water-inlet cavity substantially, and it is formed in the sunk structure on pressure-sensitive cylinder 10.First elastic member 11 and the second elastic member 15 all can adopt spring.
Can realize the balance of flow during above-mentioned modulating valve work, said balance refers to when flow sets herein, and the flow of valve is not with the change in pressure imported and exported.According to flow formula (kv is the negotiability of valve, directly related with the openings of sizes of valve), when pressure reduction increases, ensures that kv reduces according to special ratios, can realize the balance of flow.
In the utility model embodiment, the equilibrium function of flow mainly relies on the equilibrium relation of pressure-sensitive cylinder 10 and the first elastic member 11 to realize.As shown in Figure 2, arrow instruction water (flow) direction.Pressure P 1 in feed-water end pressure-sensitive chamber equals the pressure in water-inlet cavity substantially, and the pressure on flow channel top is P2, and the pressure of water chamber is P3, current by will pressure drop be produced after spool, i.e. P1 > P2 > P3.Now, there is obvious pressure difference in P1, P2, makes pressure-sensitive cylinder 10 at the moved downward of this pressure difference, and the first elastic member 11 can provide support power F to pressure-sensitive cylinder 10 simultaneously, makes pressure-sensitive plane reach equilibrium of forces.I.e. P1*S=P2*S+F (S is the area of contour of pressure-sensitive plane).When there is fluctuation in system pressure, for pressure increase, P1 increases and becomes P1 ', drive P2 to increase simultaneously and become P2 ', due to the impact of variable gradient, the boost value of P1 is greater than the boost value of P2, and the balance of pressure-sensitive plane is broken, and pressure-sensitive cylinder 10 moves downward and the area of passage at its flow equilibrium mouth place is reduced.Along with pressure-sensitive cylinder 10 moves downward, the first elastic member 11 is compressed, and spring force increases and becomes F ', until realize newly balancing P1 ' * S=P2 ' * S+F '.This process is the process of a dynamic change, and P1 ', P2 ' and F ' moment are all changing to realize final balance.Flow equilibrium mouth on pressure-sensitive cylinder 10 then can ensure that aforesaid kv is according to this example change specific, and pressure reduction increases, and kv reduces, and realizes the constant of flow Q value.
Compared to the content introduced in background technique, above-mentioned dynamic balance manual regulating valve is by the effect between pressure-sensitive cylinder 10 and the first elastic member 11, after hydraulic pressure is changed, the area correspondence of the flow equilibrium mouth on the sidewall of pressure-sensitive cylinder 10 changes, and then ensures that the flow of modulating valve remains at setting flow.And this process is dynamically carried out in the working procedure of modulating valve, and the component realizing this adjustment are also not easy to occur damaging.Therefore, the dynamic balance manual regulating valve that the utility model embodiment provides has better Flow-rate adjustment effect.
In order to regulate the setting flow of above-mentioned modulating valve, this modulating valve also comprises hand wheel component, the live axle that the handwheel 2 that this hand wheel component comprises handwheel base 7 relatively-stationary with valve gap 25, be threaded with handwheel base 7, one end are fixedly connected with handwheel 2, spool also comprises first damming cover 9 of being fixedly connected with the other end of live axle, this first cover 9 that dams is snug fit at the inside of urceolus 23, and first cover 9 that dams can cover water intake gradually, pressure-sensitive cylinder 10 is snug fit at first and dams in cover 9.Handwheel 2 connects handwheel cover 1, handwheel 2 can be arranged two lead seal holes, the side of handwheel base 7 arranges outstanding lead seal hole, and then is locked regulatory function by the mode of lead sealing.Live axle is set with sealing cover 8, sealing cover exterior seal ring 27 is set between sealing lid 8 and valve gap, sealing cover inner seal ring 28 is set between itself and live axle, U-shaped seal ring 26 is set between live axle and handwheel base.First dams on cover 9 is provided with pressure guide hole, has substantially equal pressure to make the feed-water end pressure-sensitive chamber of pressure-sensitive cylinder 10 with water-inlet cavity.
Adopt after said structure, rotate handwheel 2, driving axial can be driven to press down first and to dam cover 9, first cover 9 that dams moves relative to urceolus 23, the water intake on urceolus 23 can be turned down, thus the setting flow of valve is reduced, play the effect of adjust flux.When first dam cover 9 block water intake completely time, the turn-off function of modulating valve can be realized.Certainly, when needing to increase setting flow, reverse operating handwheel 2.Second elastic member 15 is not at whole spool by jack-up pressure-sensitive cylinder 10 during External Force Acting, and the cover 9 and jack-up first is dammed, makes spool reach maximum opening.
Further, above-mentioned spool also comprises and is snug fit at second in urceolus 23 and dams cover 12, this second cover 12 that dams is fixed on pressure-sensitive cylinder 10, both specifically can adopt the mode of screw-thread fit, this first cover 9 that dams can apply to dam active force to second cover 12 that dams by pressure-sensitive cylinder 10, covers water outlet gradually to make second cover 12 that dams.When rotating handwheel 2, first cover 9 that dams moves, and this motion will be passed to second by pressure-sensitive cylinder 10 and dam on cover 12, makes second cover 12 that dams turn down water outlet.Obviously, this kind of structure can change the flow of water intake and water outlet simultaneously, makes the pressure of whole pipe network more stable.
Second dams to arrange second and to dam cover seal ring 21 between cover 12 and pressure-sensitive cylinder 10, bottom 16 is arranged sealing gasket 20, when second dams after cover 12 contacts with sealing gasket 20, water outlet is by complete shutoff, now, second dams cover seal ring 21 and urceolus seal ring 22 when can ensure to turn off modulating valve, and the gap leakage that current can not dam between cover 12 and urceolus 23 by second, to ensure the reliability turned off.
Alternatively, the outer surface of valve gap 25 have the first polygon facet and stopper protrusion, the internal surface of handwheel base 7 have the second polygon facet and limited impression, first polygon facet and the second polygon facet coordinate along the circumference of handwheel base 7 is spacing, and stopper protrusion and limited impression coordinate along the axial limiting of handwheel base 7.The circumference of handwheel base 7 and the circumference of live axle, the axis of handwheel base 7 and the axis of live axle.It is relative fixing that this structure adopts fairly simple structure to realize between handwheel base 7 with valve gap 25, is more conducive to force transmission on handwheel 2 on live axle.
In order to realize the relative positioning between handwheel 2 and live axle more reliably, above-mentioned hand wheel component also comprises the block 6 be set on live axle, live axle has and keeps off with this block 6 phase the spacing shoulder connect, one end of live axle has mounting groove, and live axle is connected with handwheel 2 by jump ring pad 4 and the jump ring 3 be arranged in aforementioned mounting groove.
In a kind of embodiment, second dam cover 12 inwall near the side of water outlet, there is guiding surface, this guiding surface is enlarging shape structure along water (flow) direction.Current, when this guiding surface, flow to and there is transition stage, to make hydraulic pressure more stable.In addition, the inside of the first one of damming in cover 9 and pressure-sensitive cylinder 10 has limited part, and this limited part can keep off mutually with the first another one of damming in cover 9 and pressure-sensitive cylinder 10 and connecing in the glide direction of pressure-sensitive cylinder 10.This limited part can realize the first object of damming the motion of cover 9 dynamic pressure cylinder 10, and this is comparatively simple, reliable for this kind of structure.
In actual application, the opening value of modulating valve is also that technician compares care.Therefore, in order to the aperture of vision-control valve intuitively, one-level graduation line can be set on handwheel 2, simultaneously, handwheel base 7 has reading window, make aforementioned one-level graduation line be exposed in this reading window, handwheel base 7 then has multiple one-level cross-line matched with one-level graduation line.After rotating handwheel 2, along with the motion of handwheel 2, the position of one-level graduation line in reading window also will change, and this change is directly embodied in the position relationship between one-level graduation line and one-level cross-line.Therefore, when one-level graduation line moves to corresponding one-level cross-line place, the aperture size of modulating valve can be characterized.For the ease of the reading of numerical value, the quantity of reading window is at least two, and each reading windows along the circumference distribution of handwheel base 7, to make operator can all can reading numerical values in the different azimuth of handwheel base 7.
On the basis of technique scheme, handwheel 2 also can arrange multiple secondary calibration line, each secondary calibration line distributes along the circumference of handwheel 2, handwheel base 7 have the indicator collet relative with secondary calibration line, this indicator collet can adopt triangular structure, and the concrete secondary calibration line indicated by this indicator collet is corresponding reading.Now, the position of the position of one-level graduation line and secondary calibration line is combined, the opening value of modulating valve can be accurate to two, to make opening value more accurate.
Previously mentioned live axle can adopt whole axle, as an alternative solution, this live axle can comprise the first valve shaft 5 being set in valve gap 25 inside, the second valve shaft 13 be set with pressure-sensitive cylinder 10, namely the second valve shaft 13 herein can be used as previously mentioned valve shaft and uses, first valve shaft 5 is threaded with the second valve shaft 13, and the first valve shaft 5 and the first outer surface damming cover 9 abut against.Be provided with bottom seal ring 19, second valve shaft 13 between second valve shaft 13 and bottom 16 to be connected with bottom 16 with pad 18 by locking nut 17.Whole live axle is divided into two-part, after the combination of these two-part, makes live axle be through to bottom 16 place from handwheel 2 place, to make live axle overall with certain adaptivity, do not need to ensure very high coaxality.
Further, the flow equilibrium mouth on pressure-sensitive cylinder 10 can comprise the V-notch of multiple circumferencial direction along pressure-sensitive cylinder 10 arrangement.This multiple V-notch can ensure that aforesaid kv increases and decreases with preset ratio, ensures the balance of flow then more easily.
Mode above only by illustrating describes some one exemplary embodiment of the present utility model, mother is mediocre to doubt, for those of ordinary skill in the art, when not departing from spirit and scope of the present utility model, can revise described embodiment by various different mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the utility model claims.

Claims (10)

1. a dynamic balance manual regulating valve, it is characterized in that, comprise valve body, valve gap and the spool be installed in valve body, described valve body have the water-inlet cavity and water chamber that seal and separate, described spool comprises the urceolus fixing with described valve body, be snug fit at the pressure-sensitive cylinder in described urceolus, be sealedly attached to the bottom bottom described urceolus, be installed on the valve shaft on described bottom, one end is fixed on the first elastic member on described valve shaft and one end and is fixed on the second elastic member on described valve shaft, described urceolus has the water intake be connected with described water-inlet cavity, the water outlet be connected with described water chamber, the other end of described first elastic member acts on described pressure-sensitive cylinder, the other end of described second elastic member acts on described bottom, described pressure-sensitive jacket casing is loaded on described valve shaft, and described in pressure-sensitive cylinderhave the feed-water end pressure-sensitive chamber and flow channel that separate respectively in the both sides in own slip direction, described flow channel is communicated between described water intake and described water outlet, and the sidewall of described pressure-sensitive cylinder has flow equilibrium mouth.
2. dynamic balance manual regulating valve according to claim 1, it is characterized in that, also comprise hand wheel component, described hand wheel component comprises the relatively-stationary handwheel base with described valve gap, the handwheel be connected with described handwheel whorl of base, the live axle that one end is fixedly connected with described handwheel, described spool also comprises first damming cover of being fixedly connected with the other end of described live axle, described first cover that dams is snug fit at the inside of described urceolus, and described first cover that dams can cover described water intake gradually, described pressure-sensitive cylinder is snug fit at described first and dams in cover.
3. dynamic balance manual regulating valve according to claim 2, it is characterized in that, described spool also comprises and is snug fit at second in described urceolus and dams cover, described second cover that dams is fixed on described pressure-sensitive cylinder, described first cover that dams can apply to dam active force to described second cover that dams by described pressure-sensitive cylinder, covers described water outlet gradually to make described second cover that dams.
4. dynamic balance manual regulating valve according to claim 2, it is characterized in that, the outer surface of described valve gap have the first polygon facet and stopper protrusion, the internal surface of described handwheel base have the second polygon facet and limited impression, described first polygon facet and described second polygon facet coordinate along the circumference of described handwheel base is spacing, and described stopper protrusion and described limited impression coordinate along the axial limiting of described handwheel base.
5. dynamic balance manual regulating valve according to claim 2, it is characterized in that, described hand wheel component also comprises the block be set on described live axle, described live axle has the spacing shoulder keeping off mutually with described block and connecing, one end of described live axle has mounting groove, and described live axle is connected with described handwheel by jump ring pad and the jump ring be arranged in described mounting groove.
6. dynamic balance manual regulating valve according to claim 2, it is characterized in that, described handwheel has one-level graduation line, described handwheel base has reading window, described one-level graduation line is exposed in described reading window, described handwheel base has the one-level cross-line that multiple and described one-level graduation line matches.
7. dynamic balance manual regulating valve according to claim 6, it is characterized in that, described handwheel also has multiple secondary calibration line, each described secondary calibration line distributes along the circumference of described handwheel, and described handwheel base has the indicator collet relative with described secondary calibration line.
8. dynamic balance manual regulating valve according to claim 6, is characterized in that, described reading window is at least two, and each described reading windows along the circumference distribution of described handwheel base.
9. the dynamic balance manual regulating valve according to any one of claim 2-8, it is characterized in that, described live axle comprises the first valve shaft being set in described valve gap inside, the second valve shaft filled with described pressure-sensitive jacket casing, described first valve shaft is threaded with described second valve shaft, and described first valve shaft and described first outer surface damming cover abut against.
10. the dynamic balance manual regulating valve according to any one of claim 1-8, is characterized in that, described flow equilibrium mouth comprises the V-notch of multiple circumferencial direction along described pressure-sensitive cylinder arrangement.
CN201520798747.6U 2015-10-15 2015-10-15 Dynamic balance manual regulation valve Active CN205155281U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107191645A (en) * 2017-06-13 2017-09-22 北京艾迪西暖通科技有限公司 Adjustable dynamic balance valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107191645A (en) * 2017-06-13 2017-09-22 北京艾迪西暖通科技有限公司 Adjustable dynamic balance valve
CN107191645B (en) * 2017-06-13 2020-01-17 北京艾迪西暖通科技有限公司 Adjustable dynamic balance valve

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Effective date of registration: 20181226

Address after: 102206 Room 109, 1st Floor, Building 9, Huilongguan International Information Industry Base Development Road, Changping District, Beijing

Patentee after: Beijing HaiLin Energy Saving Technology Inc.

Address before: 102208 Huilongguan International Information Industry Base, Changping District, Beijing

Patentee before: BEIJING HAILIN LVJIAN ENERGY SAVING TECHNOLOGY CO., LTD.

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 102206 Room 109, 1st Floor, Building 9, Huilongguan International Information Industry Base Development Road, Changping District, Beijing

Patentee after: Beijing Hailin Automatic Control Technology Co.,Ltd.

Address before: 102206 Room 109, 1st Floor, Building 9, Huilongguan International Information Industry Base Development Road, Changping District, Beijing

Patentee before: HAILIN ENERGY TECHNOLOGY Inc.