CN207893191U - Cage dynamic core assembly - Google Patents
Cage dynamic core assembly Download PDFInfo
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- CN207893191U CN207893191U CN201820227067.2U CN201820227067U CN207893191U CN 207893191 U CN207893191 U CN 207893191U CN 201820227067 U CN201820227067 U CN 201820227067U CN 207893191 U CN207893191 U CN 207893191U
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- cage
- dynamic
- spool
- core assembly
- pressure
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Abstract
The utility model discloses a kind of cage dynamic core assemblies, it is related to the hydraulic equilibrium in Heating,Ventilating and Air Conditioning water system and imbalance field, its key points of the technical solution are that including cage sleeve, medium inlet is offered at the top of cage sleeve, media outlet is offered on circumferential side wall, the cage sleeve internal activity is connected with dynamic spool, it is provided with elastic component between the top and dynamic spool of the cage sleeve, the bottom of the cage sleeve is sealed with flexible sheet, and the dynamic spool is abutted with flexible sheet；Spaced between the flexible sheet and the interior bottom of cage sleeve, the bottom plane of the cage sleeve offers the pressure guide hole for being connected to high pressure pressure point with the interval.The cage dynamic core assembly of the utility model can valve body more easily reach balance and auto-control energy-saving state.
Description
Technical field
The utility model is related in Heating,Ventilating and Air Conditioning water system hydraulic equilibrium and imbalance field, more particularly to a kind of cage it is dynamic
State core assembly.
Background technology
In heating ventilation air-conditioning system, hydraulic misadjustment is FAQs, and to solve the unreasonable of loop traffic in reality,
The method that generally use improves pump head, but can further make energy distribution uneven, cause the waste of bigger；Along in order to
Energy-saving and emission-reduction and the end automatic control class valve being arranged, more exacerbate the hydraulic misadjustment phenomenon of system.
Valve anthority existing for traditional electric control valve itself has affected the precision of automation control compared with minor issue, then
In addition static state hydraulic disorder problem, dynamic state hydraulic disorder problem, lift increase problem, pressure oscillation problem, it is more degrading adjusting
The control characteristic of valve.
Although also having many static balancing valves, dynamic differential pressure valve, dynamic flow valve, electric control valve etc. more in reality
Kind of valve uses in concrete engineering, but because the convenience etc. of the consistency of construction, the matching of each product, construction many is asked
Topic exists.
In short, only could the metering of not only energy saving but also end on the basis of accurately controlling.
Utility model content
The purpose of this utility model is to provide a kind of cage dynamic core assembly, which can be placed on a variety of valve bodies
Inside forms various dynamic valves, such as dynamic flow valve, dynamic differential pressure valve, enables the valve in complicated polycyclic road system
In system, the flow or pressure difference of constant a certain particular branches and pipeline section are realized, realize that dynamic equilibrium, the adjusting of any one loop become
Change will not all have an impact other loops, form multiple duplexures unrelated with external pressure, it is easier to reach balance and
Auto-control energy-saving state.
The above-mentioned purpose of the utility model technical scheme is that：
A kind of cage dynamic core assembly, including cage sleeve offer medium inlet, circumference at the top of cage sleeve
Offer media outlet on wall, the cage sleeve internal activity is connected with dynamic spool, the top of the cage sleeve and dynamic
Elastic component is provided between state spool, the bottom of the cage sleeve is sealed with flexible sheet, the dynamic spool and elastic membrane
Piece abuts, and the bottom of the cage sleeve is fixedly connected with end cover, and the periphery sealing of the flexible sheet is in cage sleeve
Between end cover, there are cavitys between the flexible sheet and end cover；The cage dynamic core assembly is mounted on
In valve body, it is equipped with high pressure chest between the end cover and valve body, the pressure point for being connected to high pressure is provided on the valve body；
Cavity between flexible sheet and end cover is connected to the high pressure chest.
By using above-mentioned technical proposal, medium inlet is corresponding with the water inlet of valve body, the water outlet of media outlet and valve body
Mouth is corresponding, and dynamic spool cooperatively forms low pressure chamber with cage sleeve, and when valve body works, flow enters from water inlet, flows through dynamically
The low pressure chamber of balanced component, then flowed out from its media outlet, finally it is discharged from the water outlet of valve body；Flow flows into dynamic from water inlet
While applying intake pressure to dynamic spool in state balanced component, hydraulic power source applies balance pressure by high pressure chest to dynamic spool
Power, flexible sheet float up and down according to the variation of high pressure cavity pressure and low pressure cavity pressure, to drive dynamic spool to go out medium
Mouth is blocked or is opened, and ensure that the operting differential pressure of high pressure chest and low pressure chamber is relative constant, such as by this cage dynamic spool
Component is positioned in the valve body equipped with adjusting spool, and by draw valve body inlet pressure to cage dynamic core assembly high pressure
Chamber, the pressure difference forward and backward for this constant adjusting spool, to realize constant flow function；Separately this cage dynamic core assembly is put
It is placed in the not valve body of adjusting spool, and from external impulse power to the high pressure chest of cage dynamic core assembly, to outside
The function of constant-pressure drop is realized between pressure point and the entrance of the valve.
The utility model is further arranged to：The elastic component is pressure spring, and the support base of the pressure spring is installed
It is connected on the bearing of dynamic spool in the free end of the inside top of cage sleeve, pressure spring.
By using above-mentioned technical proposal, by using above-mentioned technical proposal, pressure spring is dynamic spool origination action
Elastic force is provided, this elastic force determines the starting operting differential pressure of dynamic spool, the high pressure chest that makes dynamic spool be subject to and low pressure chamber
Pressure difference is constant in the working range of differential pressure spring, and the dynamic balance between the pressure difference and the elastic force of differential pressure spring of high and low pressure chamber is closed
System determines the specific location after the displacement of dynamic spool, this position determines the opening size of dynamic spool.
The utility model is further arranged to：The dynamic spool is the tubular structure of open at one end, opening direction pressure
Poor spring setting, shape and size are adapted to the inside of cage sleeve, and inside and the cage sleeve of the dynamic spool coordinate shape
It is connected at low pressure chamber and with medium inlet.
By using above-mentioned technical proposal, dynamic spool, which is set as tubular, more fully to be gone out the medium on cage sleeve
Mouth is blocked；Dynamic spool is slidably matched with cage sleeve, and the friction resistance being subject to during sliding in cage sleeve
Power very little is the necessary condition of high sensitivity.
The utility model is further arranged to：Via is offered on the end cover.
By using above-mentioned technical proposal, flexible sheet is connected to by via with external high pressure chest so that flexible sheet
It is subjected to displacement by intake pressure, to push dynamic spool to be moved；The movement driving force of dynamic spool is：Low pressure chamber pressure
Power+differential pressure spring force=high pressure cavity pressure.
The utility model is further arranged to：The flexible sheet cladding is arranged on dynamic spool.
By using above-mentioned technical proposal, flexible sheet is made to be contacted more comprehensively with dynamic spool, it is more convenient when driving.
The utility model is further arranged to：The material selection of the flexible sheet is rubber.
By using above-mentioned technical proposal, rubber diaphragm can generate action response under the outer force effect of very little, with this
Displacement action rubber diaphragm will generate rolling on the periphery wall of dynamic spool, this rolling process will make the frictional force pole of action
Small, the sensitivity of action is greatly improved in this, to improve the precision of control pressure difference.
The utility model is further arranged to：The water inlet of the valve body offers pressure guide hole, end cover and valve body
Between high pressure chest be connected to water inlet by pressure guide hole.
By using above-mentioned technical proposal, cage dynamic core assembly is positioned in the valve body equipped with adjusting spool, is passed through
Valve body inlet pressure is guided to the high pressure chest of cage dynamic core assembly by pressure guide hole, the pressure forward and backward for this constant adjusting spool
Difference, to realize constant flow function.
The utility model is further arranged to：The connecting pipe being connected to its high pressure chest is provided on the valve body, by leading
The pressure point of the outside of pressure pipe connection.
By using above-mentioned technical proposal, cage dynamic core assembly is positioned in the valve body of no adjusting spool, by leading
Pressure pipe is from external impulse power to its high pressure chest, to realize the work(of constant-pressure drop between external pressure point and the entrance of the valve
Energy.
In conclusion the utility model has the advantages that：
1, it is slidably matched in cage sleeve by dynamic spool, dynamic spool is according to high pressure cavity pressure and low pressure cavity pressure
Variation float up and down, so that the media outlet of cage sleeve is blocked or be opened, ensure that high pressure chest and low pressure chamber
Operting differential pressure is relative constant；
2, by setting dynamic spool to tubular, more fully the media outlet on cage sleeve can be blocked,
The effect for adjusting flow is more preferable；
3, by being arranged flexible sheet cladding on dynamic spool, flexible sheet is made to be contacted with dynamic spool more complete
Face, more convenient when driving, when action, is sensitiveer.
Description of the drawings
Fig. 1 is that cage dynamic spool is placed on the structural schematic diagram in the valve body of adjusting spool in embodiment 1；
Fig. 2 is the schematic diagram that cage dynamic core assembly is in open state in embodiment 1；
Fig. 3 is the structural schematic diagram of cage sleeve in embodiment 1；
Fig. 4 is that cage dynamic spool is placed on the structural schematic diagram in the valve body of no adjusting spool in embodiment 2.
In figure, 1, valve body；11, water inlet；12, water outlet；13, pressure guide hole；14, connecting pipe；2, cage dynamic spool group
Part；21, cage sleeve；211, medium inlet；212, media outlet；22, pressure spring；23, dynamic spool；24, flexible sheet；
25, end cover；251, via.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1：A kind of cage dynamic core assembly, as shown in Figure 1 and Figure 2, including cage sleeve 21, cage sleeve 21
Top and circumferential side wall on offer equally distributed window（With reference to Fig. 3）, at the top of window be medium inlet 211, circle
Window on all side walls is media outlet 212, and the bottom of cage sleeve 21 is fixedly connected with end cover 25；Wherein cage sleeve
21 inside top is equipped with the support base of pressure spring 22, and the free end of pressure spring 22 is connected to the bearing of dynamic spool 23
On, dynamic spool 23 is the tubular structure of open at one end, is open towards the setting of pressure spring 22, shape and size and cage set
The inside adaptation of cylinder 21, pressure spring 22 pass through dynamic valve as dynamic spool 23 is together along the axial-movement of cage sleeve 21
Core 23 blocks the size for the media outlet 212 for changing cage sleeve 21, and inside and the cage sleeve 21 of dynamic spool 23 coordinate shape
It is connected at low pressure chamber and with medium inlet 211.
One end cladding of dynamic spool 23 towards end cover 25 is provided with flexible sheet 24, the material choosing of flexible sheet 24
For rubber or other elastic materials；The periphery sealing of flexible sheet 24 is between cage sleeve 21 and end cover 25, elastic membrane
Piece 24 and end cover 25 form high pressure chest, and via 251 is offered on end cover 25, pass through via 251 and external high pressure
Chamber is connected to；The movement driving force of dynamic spool 23 is：Low pressure cavity pressure+differential pressure spring force=high pressure cavity pressure, dynamic spool 23
The frictional resistance very little being subject to during sliding in cage sleeve 21, this is the necessary condition of high sensitivity.
As shown in Figure 1 and Figure 2, cage dynamic core assembly 2 is mounted in the valve body 1 equipped with adjusting spool, and valve body 1 opens up
There is the chamber for allowing medium to flow to water outlet 13 from the water inlet 11 of balanced valve；The end cover 25 of cage dynamic core assembly 2
It is equipped with high pressure chest for being connected to hydraulic power source between valve body 1, is offered on valve body 1 and be connected to water inlet 11 with the high pressure chest
Pressure guide hole 13.
Medium inlet 211 is corresponding with the water inlet 11 of valve body 1, and media outlet 212 is corresponding with the water outlet 12 of valve body 1, valve
When body 1 works, flow enters from water inlet 11, flows through the low pressure chamber of cage dynamic core assembly 2, then from its media outlet 212
Outflow is finally discharged from the water outlet 12 of valve body 1；Flow passes through while flowing into cage dynamic core assembly 2 from water inlet 11
Built-in pressure guide hole 13, via 251 imported into intake pressure in the high pressure chest of cage dynamic core assembly 2, flexible sheet 24
It is floated up and down according to the variation of high pressure cavity pressure and low pressure cavity pressure, to drive dynamic spool 23 to carry out media outlet 212
It blocks or opens, ensure that the operting differential pressure of high pressure chest and low pressure chamber is relative constant, that is, be used for adjusting spool in constant valve body 1
Forward and backward pressure difference, to realize the constant of flow.
Embodiment 2：Difference lies in as shown in figure 4, cage dynamic core assembly 2 is positioned over the present embodiment with embodiment 1
Do not have in the valve body 1 of adjusting spool, is equipped between the end cover 25 and valve body 1 of cage dynamic core assembly 2 for being connected to liquid
The high pressure chest of potential source is provided with the connecting pipe 14 being connected to high pressure chest on valve body 1, by connecting pipe 14 from external impulse power to cage
The high pressure chest of formula dynamic core assembly 2, to realize the function of constant-pressure drop between external pressure point and the entrance of the valve.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of cage dynamic core assembly, it is characterised in that：Including cage sleeve (21), cage sleeve opens up at the top of (21)
There is medium inlet (211), media outlet (212) is offered on circumferential side wall, cage sleeve (21) internal activity is connected with
Dynamic spool (23) is provided with elastic component, the cage set between the top and dynamic spool (23) of the cage sleeve (21)
The bottom of cylinder (21) is sealed with flexible sheet (24), and the dynamic spool (23) abuts with flexible sheet (24), the cage set
The bottom of cylinder (21) is fixedly connected with end cover (25), the periphery sealing of the flexible sheet (24) in cage sleeve (21) and
Between end cover (25), there are cavitys between the flexible sheet (24) and end cover (25)；The cage dynamic spool
Component (2) is mounted in valve body (1), equipped with high pressure chest between the end cover (25) and valve body (1), on the valve body (1)
It is provided with the pressure point for being connected to high pressure；Cavity between flexible sheet (24) and end cover (25) connects with the high pressure chest
It is logical.
2. cage dynamic core assembly according to claim 1, it is characterised in that：The elastic component is pressure spring
(22), the support base of the pressure spring (22) is mounted on the inside top of cage sleeve (21), the freedom of pressure spring (22)
End is connected on the bearing of dynamic spool (23).
3. cage dynamic core assembly according to claim 1, it is characterised in that：The dynamic spool (23) is spacious for one end
The tubular structure of mouth, opening are adapted to towards pressure spring (22) setting, shape and size with the inside of cage sleeve (21), institute
It states the inside of dynamic spool (23) and cage sleeve (21) cooperatively forms low pressure chamber and is connected to medium inlet (211).
4. cage dynamic core assembly according to claim 1, it is characterised in that：It is offered on the end cover (25)
Via (251).
5. cage dynamic core assembly according to claim 1, it is characterised in that：Flexible sheet (24) the cladding setting
On dynamic spool (23).
6. cage dynamic core assembly according to claim 1, it is characterised in that：The material of the flexible sheet (24) selects
It is taken as rubber.
7. cage dynamic core assembly according to claim 1, it is characterised in that：The water inlet (11) of the valve body (1)
Place offers pressure guide hole (13), and the high pressure chest between end cover (25) and valve body (1) passes through pressure guide hole (13) and water inlet
(11) it is connected to.
8. cage dynamic core assembly according to claim 1, it is characterised in that：Be provided on the valve body (1) and its
The connecting pipe (14) of high pressure chest connection passes through the pressure point for the outside that connecting pipe connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820227067.2U CN207893191U (en) | 2018-02-08 | 2018-02-08 | Cage dynamic core assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820227067.2U CN207893191U (en) | 2018-02-08 | 2018-02-08 | Cage dynamic core assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207893191U true CN207893191U (en) | 2018-09-21 |
Family
ID=63542608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820227067.2U Active CN207893191U (en) | 2018-02-08 | 2018-02-08 | Cage dynamic core assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207893191U (en) |
-
2018
- 2018-02-08 CN CN201820227067.2U patent/CN207893191U/en active Active
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