CN203477501U - Self-operated balance electric control valve - Google Patents
Self-operated balance electric control valve Download PDFInfo
- Publication number
- CN203477501U CN203477501U CN201320593119.5U CN201320593119U CN203477501U CN 203477501 U CN203477501 U CN 203477501U CN 201320593119 U CN201320593119 U CN 201320593119U CN 203477501 U CN203477501 U CN 203477501U
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- chamber
- valve
- flow
- slotted hole
- self
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- Withdrawn - After Issue
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- Lift Valve (AREA)
Abstract
The utility model relates to a self-operated balance electric control valve, and belongs to the technical field of control valves. The self-operated balance electric control valve is simple and reasonable in structure and constant in flow, and meanwhile the flow can be synchronously increased and reduced. According to the technical scheme, a differential pressure adjusting chamber and a flow adjusting chamber are arranged in a valve body, a water inlet chamber communicated with a water inlet is formed in the differential pressure adjusting chamber, valve elements are arranged on the water inlet chamber, an upper pressing ring and a lower pressing ring are fixed to the lower portion of a valve rod, a spring is arranged between the lower pressing ring and a blank cap, a rubber diaphragm is arranged between the lower pressing ring and the upper pressing ring, a pressure control chamber is formed between the rubber diaphragm and the blank cap, the flow adjusting chamber is provided with a sleeve type valve clack, a fluid channel is arranged in the middle of the flow adjusting chamber, and the pressure control chamber is communicated with a water outlet of the flow adjusting chamber through a connecting pipe. The self-operated balance electric control valve is mainly applied to building heating ventilation air conditioning systems and industrial or civilian fluid pipe network distribution systems.
Description
Technical field
The utility model relates to a kind of self-powering type balance electric modulating valve, belongs to regulating valve technical field.
Background technique
Electric control valve is the integrated product of transient equiliblium and motorized adjustment, mainly be applicable to heating ventilation air-conditioning system end air-conditioning equipment, as the temperature of air-conditioning box, new blower fan group, air processing machine etc. is controlled, by configuration intelligent object control gear, can to the flow of each loop, temperature, automatically control easily, realize and rationally utilize energy, energy-saving and cost-reducing, intelligent management.Apply this valve and make end-equipment only be subject to the impact of standard control signal, and the impact that not fluctuateed by system pressure regulates system more stable, more energy-conservation, be specially adapted to system loading and change in variable flow system greatly.
Electric control valve refers to that valve can be according to the aperture of the automatic regulating valve of variation of target area temperature control signals, thereby changes water flow, finally makes the true temperature of target area consistent with setting temperature.
In current heat supplying air conditioning flow control system, the dynamic electric control valve of use, the flow when valve wide open is logical is difficult to equal the design discharge of controlled system, and often much larger than design discharge, this has just reduced the valve anthority of valve.Most dynamically electric control valves are angle stroke, are difficult to accomplish that aperture and flow synchronous equal amount increase.
Model utility content
The utility model overcomes the deficiency that prior art exists, and technical problem to be solved has been to provide a kind of simple and reasonable for structure, constant flow, the self-powering type balance electric modulating valve that flow can synchronously increase and reduce again simultaneously.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of self-powering type balance electric modulating valve, comprise: valve body, described valve inner is provided with pressure reduction and regulates chamber and Flow-rate adjustment chamber, described pressure reduction regulates on chamber and is provided with water intake, Flow-rate adjustment is provided with water outlet on chamber, described pressure reduction regulates top, chamber to be provided with gland, bottom is provided with stifle, the inner water-inlet cavity being communicated with water intake that is also provided with, on described water-inlet cavity, be provided with the through hole running through up and down, in through hole, be provided with valve rod moving up and down, on valve rod, be provided with spool, spool is corresponding with through hole, described valve rod top is inserted on gland, the bottom of valve rod is fixed with trim ring and lower clamping ring, between described lower clamping ring and stifle, be provided with spring, between lower clamping ring and upper trim ring, be provided with diaphragm of rubber sheet, mineralization pressure control chamber between described diaphragm of rubber sheet and stifle,
Top, described Flow-rate adjustment chamber is provided with valve seat, in described valve seat, be provided with drive link, the lower end of described drive link is provided with telescopic flap, and the middle part in Flow-rate adjustment chamber is provided with internal conical surface and conical surface bottom with the fluid passage of boss, telescopic flap be positioned at fluid passage directly over;
Described pressure control cavity is connected with the water outlet in Flow-rate adjustment chamber by connecting tube.
Described pressure reduction regulates on chamber and is also provided with differential pressure adjusting device, described differential pressure adjusting device comprises modulating valve, the first slotted hole and the second slotted hole, described the first slotted hole is arranged on valve body and regulates chamber to be connected with pressure reduction, the second slotted hole is arranged on stifle and is connected with pressure control cavity, described the first slotted hole is connected with the second slotted hole, on the second slotted hole, is provided with modulating valve.
The beneficial effect that the utility model compared with prior art had is: the utility model is simple and reasonable for structure, integrating pressure reduction regulates and flow control, by the pressure ratio of diaphragm of rubber sheet both sides, regulate valve rod and the spool of interlock, automatically change the valve opening under different pressures, realize the transient equiliblium of flow; Pressure reduction regulates on chamber and is also provided with differential pressure adjusting device simultaneously, when valve opening reaches maximum, when valve flow and design discharge are unequal, by regulating differential pressure adjusting device, make valve flow equal design discharge, so not only improved the valve anthority of valve, it is more accurate also to make to regulate, and controls convenient; And the employing of the flap in Flow-rate adjustment chamber adopts the telescopic balanced force structure of straight journey, between telescopic flap and circulation passage, mutually moves and carries out Flow-rate adjustment, makes the every increase equivalent of valve opening value, and flow value increases equal, and degree of accuracy is higher.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
In figure: 1 is valve body, 2 for pressure reduction regulates chamber, and 3 is Flow-rate adjustment chamber, and 4 is water intake, and 5 is water outlet, 6 is gland, and 7 is stifle, and 8 is water-inlet cavity, and 9 is through hole, 10 is valve rod, and 11 is spool, and 12 is upper trim ring, and 13 is lower clamping ring, 14 is spring, and 15 is diaphragm of rubber sheet, and 16 is valve seat, and 17 is drive link, 18 is telescopic flap, and 19 is fluid passage, and 20 is pressure control cavity, and 21 is connecting tube, 22 is differential pressure adjusting device, and 23 is modulating valve, and 24 is the first slotted hole, and 25 is the second slotted hole.
Embodiment
As shown in Figure 1, 1, a kind of self-powering type balance electric modulating valve, comprise: valve body 1, it is characterized in that: described valve body 1 inside is provided with pressure reduction and regulates chamber 2 and Flow-rate adjustment chamber 3, described pressure reduction regulates on chamber 2 and is provided with water intake 4, on Flow-rate adjustment chamber 3, be provided with water outlet 5, described pressure reduction regulates 2 tops, chamber to be provided with gland 6, bottom is provided with stifle 7, the inner water-inlet cavity 8 being communicated with water intake 4 that is also provided with, on described water-inlet cavity 8, be provided with the through hole 9 running through up and down, in through hole 9, be provided with valve rod 10 moving up and down, on valve rod 10, be provided with spool 11, spool 11 is corresponding with through hole 9, described valve rod 10 tops are inserted on gland 6, the bottom of valve rod 10 is fixed with trim ring 12 and lower clamping ring 13, between described lower clamping ring 13 and stifle 7, be provided with spring 14, between lower clamping ring 13 and upper trim ring 12, be provided with diaphragm of rubber sheet 15, mineralization pressure control chamber 20 between described diaphragm of rubber sheet 15 and stifle 7,
3 tops, described Flow-rate adjustment chamber are provided with valve seat 16, in described valve seat 16, be provided with drive link 17, the lower end of described drive link 17 is provided with telescopic flap 18, the middle part in Flow-rate adjustment chamber 3 is provided with internal conical surface and conical surface bottom with the fluid passage 19 of boss, telescopic flap 18 be positioned at fluid passage 19 directly over;
Described pressure control cavity 20 is connected with the water outlet 5 in Flow-rate adjustment chamber 3 by connecting tube 21.
Described pressure reduction regulates on chamber 2 and is also provided with differential pressure adjusting device 22, described differential pressure adjusting device 22 comprises modulating valve 23, the first slotted hole 24 and the second slotted hole 25, described the first slotted hole 24 is arranged on valve body 1 and regulates chamber 2 to be connected with pressure reduction, the second slotted hole 25 is arranged on stifle 7 and is connected with pressure control cavity 20, described the first slotted hole 24 is connected with the second slotted hole 25, on the second slotted hole 25, is provided with modulating valve 23.
In the utility model, drive link 17 can adopt the telescopic flap 18 of hand wheel component or electric actuator assembly manual tune or motorized adjustment, wherein telescopic flap 18 is same as the prior art, telescopic flap 18 and fluid passage 19 coordinate carries out flow control, fluid passage 19 be shaped as internal conical surface, and conical surface bottom is with boss, and telescopic flap 18 moves down under the effect of drive link 17, is pressed on the boss of fluid passage 19, on boss, be provided with seal ring, realize plane sealing.When carrying out Flow-rate adjustment, fluid enters water-inlet cavity 8 through water intake 4, effect due to spring 14, valve rod 10 and spool 11 are the trend moving upward, be the trend that there is increase in gap between spool 11 and through hole 9, fluid backs down spool 11 and enters in pressure reduction adjusting chamber 2, then fluid 19 is flowed out by water outlet 5 through fluid passage, segment fluid flow enters pressure control cavity 20 through connecting tube 21 simultaneously, diaphragm of rubber sheet 15 fluctuates under the effect of hydraulic pressure, finally make the hydraulic pressure of diaphragm of rubber sheet 15 both sides reach balance, thereby when the aperture between telescopic flap 18 and fluid passage 19 increases, flow also synchronous equal amount increases, assurance valve is more easily controlled, flow is more accurate.
When telescopic flap 18 apertures reach maximum, the flow of valve does not reach the design discharge of controlled system simultaneously.When passing through to adjust modulating valve 23, fluid in pressure reduction adjusting chamber 2 is in the first slotted hole 24 and the second slotted hole 25 feed pressure control chambers 20, make diaphragm of rubber sheet 15 interlock valve rod 10 and spools 11, the aperture of valve is increased, thereby the flow that makes valve equals the design discharge of controlled system, use safer, reliably, flow is more easily controlled, and valve regulated is also more accurate.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above; but the utility model is not limited to above-described embodiment; in the ken possessing those of ordinary skills; various variations can also be under the prerequisite that does not depart from the utility model aim, made obtaining, also protection domain of the present utility model should be considered as.
Claims (2)
1. a self-powering type balance electric modulating valve, comprise: valve body (1), it is characterized in that: described valve body (1) inside is provided with pressure reduction and regulates chamber (2) and Flow-rate adjustment chamber (3), described pressure reduction regulates on chamber (2) and is provided with water intake (4), on Flow-rate adjustment chamber (3), be provided with water outlet (5), described pressure reduction regulates top, chamber (2) to be provided with gland (6), bottom is provided with stifle (7), inside is also provided with the water-inlet cavity (8) being communicated with water intake (4), on described water-inlet cavity (8), be provided with the through hole (9) running through up and down, in through hole (9), be provided with valve rod moving up and down (10), on valve rod (10), be provided with spool (11), spool (11) is corresponding with through hole (9), described valve rod (10) top is inserted on gland (6), the bottom of valve rod (10) is fixed with trim ring (12) and lower clamping ring (13), between described lower clamping ring (13) and stifle (7), be provided with spring (14), between lower clamping ring (13) and upper trim ring (12), be provided with diaphragm of rubber sheet (15), mineralization pressure control chamber (20) between described diaphragm of rubber sheet (15) and stifle (7),
Top, described Flow-rate adjustment chamber (3) is provided with valve seat (16), in described valve seat (16), be provided with drive link (17), the lower end of described drive link (17) is provided with telescopic flap (18), the middle part in Flow-rate adjustment chamber (3) is provided with internal conical surface and conical surface bottom with the fluid passage (19) of boss, telescopic flap (18) be positioned at fluid passage (19) directly over;
Described pressure control cavity (20) is connected with the water outlet (5) of Flow-rate adjustment chamber (3) by connecting tube (21).
2. a kind of self-powering type balance electric modulating valve according to claim 1, it is characterized in that: described pressure reduction regulates on chamber (2) and is also provided with differential pressure adjusting device (22), described differential pressure adjusting device (22) comprises modulating valve (23), the first slotted hole (24) and the second slotted hole (25), described the first slotted hole (24) is arranged on valve body (1) and above regulates chamber (2) to be connected with pressure reduction, the second slotted hole (25) is arranged on stifle (7) and is above connected with pressure control cavity (20), described the first slotted hole (24) is connected with the second slotted hole (25), on the second slotted hole (25), be provided with modulating valve (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320593119.5U CN203477501U (en) | 2013-09-25 | 2013-09-25 | Self-operated balance electric control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320593119.5U CN203477501U (en) | 2013-09-25 | 2013-09-25 | Self-operated balance electric control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203477501U true CN203477501U (en) | 2014-03-12 |
Family
ID=50225832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320593119.5U Withdrawn - After Issue CN203477501U (en) | 2013-09-25 | 2013-09-25 | Self-operated balance electric control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203477501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511695A (en) * | 2013-09-25 | 2014-01-15 | 临汾华松阀门制造有限公司 | Self-power type balance electric control valve |
| CN105605274A (en) * | 2016-02-29 | 2016-05-25 | 赵世荣 | Constant-current decompressor |
-
2013
- 2013-09-25 CN CN201320593119.5U patent/CN203477501U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511695A (en) * | 2013-09-25 | 2014-01-15 | 临汾华松阀门制造有限公司 | Self-power type balance electric control valve |
| CN105605274A (en) * | 2016-02-29 | 2016-05-25 | 赵世荣 | Constant-current decompressor |
| CN105605274B (en) * | 2016-02-29 | 2018-03-09 | 赵世荣 | A kind of constant current decompressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20150826 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20150826 |
|
| RGAV | Abandon patent right to avoid regrant |