CN201065863Y - Composite control valve for proportional pressure and flow - Google Patents
Composite control valve for proportional pressure and flow Download PDFInfo
- Publication number
- CN201065863Y CN201065863Y CNU2007200544646U CN200720054464U CN201065863Y CN 201065863 Y CN201065863 Y CN 201065863Y CN U2007200544646 U CNU2007200544646 U CN U2007200544646U CN 200720054464 U CN200720054464 U CN 200720054464U CN 201065863 Y CN201065863 Y CN 201065863Y
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- valve
- flow
- main
- pressure
- spring
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Abstract
The utility model discloses a composite control valve for proportional control of pressure and flow, comprising a main valve body, wherein, an electromagnet of proportional pressure and an electromagnet of proportional flow are arranged on the main valve body; a pressure block is also arranged on the main valve body; an oil feeding channel is arranged in the main valve body and the pressure block; a pilot valve and a flow valve are arranged in the oil feeding channel; the outlet of the pilot valve is communicated with the inlet of the flow valve. The utility model is characterized in that a bypass pressure difference channel paralleling to the oil feeding channel is also arranged in the main valve body and the pressure block, wherein, a safe valve base is arranged in the bypass pressure difference channel; a safe valve core is arranged on the safe valve base; a spring of safe valve is arranged on the safe valve core; the spring of safe valve is connected with an adjusting screw via a safe valve bonnet; the outlet of the safe valve is communicated with the outlet of the flow valve. The utility model has the advantages that the manufacturing material is saved greatly with equal rated flow; the cost is reduced relatively; and the market competitiveness is improved further.
Description
Technical field
The utility model relates to a kind of control valve, particularly a kind of hydraulic proportional compound control valve of pressure flowrate that has electric remote control.
Background technique
At present, have the hydraulic proportional compound control valve of pressure flowrate of electric remote control, simultaneously control system pressure and flow, it mainly is made up of ratio pressure electromagnet, ratio flow electromagnet, control flow rate part and pilot pressure part etc.After ratio flow electromagnet obtains input signal; promoting the pilot flow spool moves; make pressure oil enter into pilot flow spool bottom; the power of active force and ratio flow electromagnet balances each other; simultaneously because flow main valve plug area is bigger; pressure promotes the flow main valve plug and moves after amplifying; feasible power with the flow spring balances each other; obtain corresponding flow output, system pressure is followed the tracks of induced pressure, by the ratio pressure magnet control; energy-efficient; when induced pressure was higher than setting value, safety valve was opened, and played the safety protection effect.The application time of this class valve is longer, the application technology comparative maturity, but needed material is more, thereby cost of production is correspondingly higher, the market competitiveness is not enough.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides the ratio pressure flow that a kind of material consumption is few, cost is relatively low compound control valve.
The technological scheme that its technical problem that solves the utility model adopts is:
Ratio pressure flow compound control valve, comprise main valve body, ratio pressure electromagnet and ratio flow electromagnet are installed on the main valve body, pressure block is installed on the main valve body, in main valve body and pressure block, be provided with oil inlet passage, pilot valve and Flow valve are installed in the oil inlet passage, and described pilot valve comprises guide's valve seat, guide's spool, pilot valve spring and pilot valve spring seat; Described Flow valve comprises flow spool, Flow valve spring seat, flow spring and flow valve gap, the import UNICOM of the outlet of described pilot valve and Flow valve, it is characterized in that also being provided with in described main valve body and the pressure block bypass pressure reduction passage in parallel with oil inlet passage, bypass pressure reduction passage internal safety valve seat, safe spool is installed on the emergency valve seat, on the safe spool safety valve spring is housed, be connected with adjusting screw rod by the safety valve gap on the safety valve spring, described safety valve outlet and Flow valve outlet UNICOM.
As the utility model preferred embodiment, also be provided with the drainback passage that communicates with filler opening in the main valve body, the oil return main valve is installed in the drainback passage, described oil return main valve comprises main valve housing, main valve plug, main spool spring and main spool spring pad.
The beneficial effects of the utility model are: the utility model has increased bypass pressure reduction passage on existing basis, part inlet pressure oil arrives system by the core that opens the safety-valve simultaneously from the pressure oil that oil inlet passage enters, regulate adjusting screw rod and increase pressure reduction, make the rated flow of passing through increase greatly, needed material significantly reduces under equal rated flow like this, thereby cost is also reduced relatively to some extent, in the today of advocating thriftiness type society, the product that the function quality is identical and saved material and have bigger advantage beyond doubt, thus the market competitiveness improved.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a plan view of the present utility model;
Fig. 2 be among Fig. 1 A-A to sectional view;
Fig. 3 be among Fig. 1 B-B to revolved sectional view;
Fig. 4 is the sectional view of pressure block.
Embodiment
With reference to Fig. 1, Fig. 2, the disclosed a kind of ratio pressure flow compound control valve of the utility model, comprise main valve body 1, pressure block 4 and ratio flow electromagnet 3 are installed on the main valve body 1, ratio pressure electromagnet 2 is installed on pressure block 4, in main valve body 1 and pressure block 4, is provided with oil inlet passage, main valve body 1 be provided with filler opening 5 and with the oil outlet 6 of system connectivity, pilot valve and Flow valve are installed in the oil inlet passage, and the import UNICOM of the outlet of pilot valve and Flow valve.
As shown in the figure, pilot valve comprises guide's valve seat 7, and guide's valve seat 7 is fixed in the pressure block 4 by locking nut 8, formerly on the guide valve seat 7 guide's spool 9 is installed, pilot valve spring 10 is housed on guide's spool 9, and an end of pilot valve spring 10 is equipped with pilot valve spring seat 11; Flow valve comprises flow spool 12, one end of flow spool 12 is equipped with Flow valve spring seat 13, be set with Flow valve spring 14 on the Flow valve spring seat 13, flow valve gap 15 is housed on main valve body 1, and flow valve gap 15 is encapsulated in flow spool 12, Flow valve spring seat 13 and flow spring 14 in the oil inlet passage.
With reference to Fig. 4, be provided with the bypass pressure reduction passage in parallel in main valve body 1 and the pressure block 4 with oil inlet passage, bypass pressure reduction passage internal safety valve seat 16, safe spool 17 is installed on the emergency valve seat 16, on the safe spool 17 safety valve spring 18 is housed, be connected with adjusting screw rod 20 by safety valve gap 19 on the safety valve spring 18, safety valve outlet and Flow valve outlet UNICOM.
With reference to Fig. 3, in main valve body 1, be provided with the drainback passage that communicates with filler opening, main valve body is provided with return opening 21, the oil return main valve is installed in the drainback passage, wherein the oil return main valve comprises main valve housing 22, main valve plug 23, main spool spring 24 and main spool spring pad 25, and the pressure oil that comes out from oil inlet passage and bypass pressure reduction passage can be back in the oil groove.
The utility model has increased bypass pressure reduction passage on existing basis, part inlet pressure oil arrives system by the core that opens the safety-valve simultaneously with the pressure oil that enters from oil inlet passage, regulate adjusting screw rod and can increase pressure reduction, make the rated flow of passing through increase greatly, needed material significantly reduces under equal rated flow like this, thereby cost is also reduced relatively to some extent, in the today of advocating thriftiness type society, the product that the function quality is identical and saved material and have bigger advantage beyond doubt, thus the market competitiveness improved.
Claims (2)
1. ratio pressure flow compound control valve, comprise main valve body, ratio pressure electromagnet and ratio flow electromagnet are installed on the main valve body, pressure block is installed on the main valve body, in main valve body and pressure block, be provided with oil inlet passage, pilot valve and Flow valve are installed in the oil inlet passage, and described pilot valve comprises guide's valve seat, guide's spool, pilot valve spring and pilot valve spring seat; Described Flow valve comprises flow spool, Flow valve spring seat, flow spring and flow valve gap, the import UNICOM of the outlet of described pilot valve and Flow valve, it is characterized in that also being provided with in described main valve body and the pressure block bypass pressure reduction passage in parallel with oil inlet passage, bypass pressure reduction passage internal safety valve seat, safe spool is installed on the emergency valve seat, on the safe spool safety valve spring is housed, be connected with adjusting screw rod by the safety valve gap on the safety valve spring, described safety valve outlet and Flow valve outlet UNICOM.
2. ratio pressure flow compound control valve according to claim 1, it is characterized in that also being provided with in the main valve body drainback passage that communicates with filler opening, the oil return main valve is installed in the drainback passage, and described oil return main valve comprises main valve housing, main valve plug, main spool spring and main spool spring pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200544646U CN201065863Y (en) | 2007-07-19 | 2007-07-19 | Composite control valve for proportional pressure and flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200544646U CN201065863Y (en) | 2007-07-19 | 2007-07-19 | Composite control valve for proportional pressure and flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201065863Y true CN201065863Y (en) | 2008-05-28 |
Family
ID=39483039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200544646U Expired - Fee Related CN201065863Y (en) | 2007-07-19 | 2007-07-19 | Composite control valve for proportional pressure and flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201065863Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757028A (en) * | 2016-04-22 | 2016-07-13 | 青神格林维尔流体动力控制技术有限公司 | Hydraulic proportional valve block with pressure compensation function |
| CN108869426A (en) * | 2018-07-10 | 2018-11-23 | 唐万刚 | A kind of oil inlet valve block |
| CN109386513A (en) * | 2018-12-11 | 2019-02-26 | 中航工业南京伺服控制系统有限公司 | A kind of PQ valve |
-
2007
- 2007-07-19 CN CNU2007200544646U patent/CN201065863Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757028A (en) * | 2016-04-22 | 2016-07-13 | 青神格林维尔流体动力控制技术有限公司 | Hydraulic proportional valve block with pressure compensation function |
| CN108869426A (en) * | 2018-07-10 | 2018-11-23 | 唐万刚 | A kind of oil inlet valve block |
| CN109386513A (en) * | 2018-12-11 | 2019-02-26 | 中航工业南京伺服控制系统有限公司 | A kind of PQ valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHONGSHAN KEJIELONG MACHINERY CO., LTD. Free format text: FORMER OWNER: ZHONGSHAN JUTONG MECHANICAL + ELECTRICAL TECHNOLOGY CO., LTD. Effective date: 20150119 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150119 Address after: Private science and Technology Park in Guangdong province Zhongshan city 528400 people Shiqi District Ying Road No. 8 Patentee after: Technology Dragon (Zhongshan) Robot Co., Ltd. Address before: Private science and Technology Park in Guangdong province Zhongshan city 528400 people Shiqi District Ying Road No. 8 Patentee before: Zhongshan Jutong Mechanical & Electrical Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 Termination date: 20160719 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |