CN203258106U - Direct-acting proportional reversing valve - Google Patents
Direct-acting proportional reversing valve Download PDFInfo
- Publication number
- CN203258106U CN203258106U CN 201320239002 CN201320239002U CN203258106U CN 203258106 U CN203258106 U CN 203258106U CN 201320239002 CN201320239002 CN 201320239002 CN 201320239002 U CN201320239002 U CN 201320239002U CN 203258106 U CN203258106 U CN 203258106U
- Authority
- CN
- China
- Prior art keywords
- valve body
- action type
- direct action
- spool
- amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000009471 action Effects 0.000 claims description 36
- 238000007789 sealing Methods 0.000 claims description 15
- 208000002925 dental caries Diseases 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
Images
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to a direct-acting proportional reversing valve which comprises a valve body, a valve element, pressure springs, proportional electro-magnets and an amplifier, wherein the valve element is arranged in a main hole of the valve body, the proportional electro-magnets are arranged at one end or two ends of the valve body, the pressure springs are arranged between the valve element and the proportional electro-magnets, and the amplifier is arranged above the valve body. Annular bosses are arranged in the main hole of the valve body, the main hole of the valve body is divided into a plurality of cavities by the annular bosses, the valve element is matched with the annular bosses and moves in the main hole of the valve body, and pressure equalizing grooves are arranged in the annular bosses. The direct-acting proportional reversing valve can improve usability, reduces dead zones and hysteresis loops, improves quality stability, and can achieve accurate control in direction and flow in use.
Description
Technical field
The utility model relates to a kind of direct action type proportional selector valve, particularly relates to a kind ofly in the main aperture of valve body balancing slit being set, and to reduce the selector valve inner chamber to the resistance of valve core movement, strengthens the direct action type proportional selector valve in the working life of selector valve.
Background technique
Seeing also shown in Figure 1ly, is the sectional view of existing a kind of direct driving type electromagnetic proportional reversing valve.Wherein existing a kind of direct driving type electromagnetic proportional reversing valve mainly is comprised of valve body 1, spool 2, pressure spring 3 and electromagnet 4, spool 2 is arranged in the main aperture of valve body 1, electromagnet 4 is arranged at respectively the two ends of valve body 1, between the two ends of spool 2 and electromagnet 4 pressure spring 3 is set respectively.This direct driving type electromagnetic proportional reversing valve is that the adhesive by electromagnet 4 makes spool 2 move to realize commutation, thereby realizes changes in flow rate or oil circuit break-make.In actual applications, the dead band of existing this direct driving type electromagnetic proportional reversing valve, the ring that stagnates are larger, in the higher hydraulic system of some required precisions, and the perfect cooperation that can't reach mechanical electronic hydraulic.
This shows that above-mentioned existing direct driving type electromagnetic proportional reversing valve obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In view of this, the design people is based on being engaged in for many years abundant practical experience and professional knowledge of this type of product specification manufacturing, through constantly studying, design, and through after repeatedly studying sample and improving, finally creates the utility model that has practical value.
Summary of the invention
The purpose of this utility model is, overcome the defective that existing direct driving type electromagnetic proportional reversing valve exists, and provide a kind of direct action type proportional selector valve of new structure, technical problem to be solved is to make it by in the main aperture of valve body balancing slit being set, can improve the usability of direct action type proportional selector valve, reduce the dead band and the ring that stagnates, improve the mass stability of product, thereby more be suitable for practicality.
The purpose of this utility model and to solve its technical problem be to adopt following technological scheme to realize.According to a kind of direct action type proportional selector valve that the utility model proposes, it comprises: valve body, spool, pressure spring, proportion electro-magnet and amplifier; Wherein said spool is arranged in the main aperture of described valve body, and described proportion electro-magnet is arranged at the one or both ends of described valve body, between described spool and described proportion electro-magnet described pressure spring is set, and described amplifier is arranged at the top of described valve body; Wherein be provided with annular boss in the main aperture of described valve body, the main aperture of described valve body is separated into a plurality of cavitys by described annular boss, and described spool is to be engaged in the main aperture of described valve body mobile with described annular boss; Be equipped with balancing slit at described annular boss.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid direct action type proportional selector valve, wherein the shoulder at described spool is provided with throttling groove, and described throttling groove is circular shape.
Aforesaid direct action type proportional selector valve, wherein said proportion electro-magnet is provided with outside thread, the one or both ends of the main aperture of described valve body are provided with internal thread, and described proportion electro-magnet is the one or both ends that are arranged at described valve body by described outside thread and described screw-internal thread fit.
Aforesaid direct action type proportional selector valve, wherein said outside thread is to be arranged on the magnetic core pipe of described proportion electro-magnet, on described magnetic core pipe, also be provided with the confined planes that cooperates with the end face of described valve body, between described outside thread and described confined planes, be equipped with seal groove, in described seal groove, be provided with Sealing.
Aforesaid direct action type proportional selector valve, wherein said amplifier are external amplifier or incorporated amplifier.
Aforesaid direct action type proportional selector valve, the power acquisition switch power of wherein said amplifier.
Aforesaid direct action type proportional selector valve also comprises: pad and Sealing; Wherein said pad is arranged between described spool and the described pressure spring; Described Sealing is arranged in the seal groove of hydraulic fluid port of described valve body.
Aforesaid direct action type proportional selector valve, wherein said Sealing are the O RunddichtringO.
The utility model compared with prior art has obvious advantage and beneficial effect.By technique scheme, a kind of direct action type proportional selector valve of the utility model has following advantages and beneficial effect at least:
1, the utility model arranges balancing slit in the main aperture of valve body, reduced the fitting surface of spool and valve body, thereby reduced the resistance of valve core movement, avoided easily stuck situation of spool, improved the usability of direct action type proportional selector valve, reduce the dead band and the ring that stagnates, improved the stability of product.
2, the utility model has adopted the throttling groove of circular shape at spool, can once be installed to process by numerical control milling machine or vertical machining centre and survive, adopt the throttling groove of electric discharge machining than prior art, need the frequent electrode, cause easily the size of throttling groove inconsistent, it has reduced difficulty of processing, and work efficiency is high, the dimensional accuracy of throttling groove is high, easier assurance product performance.
3, its Conncetion cimension of direct action type proportional selector valve of the present utility model is identical with the direct action type proportional selector valve of existing identical latus rectum, meets international standard.And magnetic core pipe and the valve body of the proportion electro-magnet of direct action type proportional selector valve of the present utility model are directly to be connected with screw thread.The armature of proportion electro-magnet is pressed in the prior art end face of valve body; adopt again four screws to pass the mode that hole on the proportion electro-magnet coil connects proportion electro-magnet and valve body; dismounting is more loaded down with trivial details, must change magnet spool in the situation that hydraulic system is shut down during maintenance.Magnetic core pipe and the valve body of proportion electro-magnet of the present utility model are airtight; proportion electro-magnet not only is connected firmly with valve body; and both fitting surfaces also have good sealing effect; not easy oil leakage; thereby can be in non-stop-machine situation emat coil more; dismounting is easy to maintenance, and good, the withstand voltage degree of electromagnet back-pressure sealing is high, and the oil back chamber maximum pressure can reach 21MPa.And this type electromagnet can adopt little impedance, the coil of inductance, large-drive-current replaces the coil of large impedance in the past, small inductor, little driving current greatly, thereby the reliability of valve and rapidity are greatly improved.
4, the power acquisition switch power of proportional amplifier of the present utility model has reduced the amplifier power consumption, has reduced temperature rise, has improved functional reliability.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above and other purpose of the present utility model, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
Fig. 1 is the sectional view of existing a kind of direct driving type electromagnetic proportional reversing valve.
Fig. 2 is the sectional view of a kind of direct action type proportional selector valve of the utility model preferred embodiment.
Fig. 3 is the sectional view of the valve body of existing direct driving type electromagnetic Proportional valve.
Fig. 4 is the sectional view of valve body of a kind of direct action type proportional selector valve of the utility model preferred embodiment.
Fig. 5 is the schematic representation of the spool of existing direct driving type electromagnetic Proportional valve.
Fig. 6 is the schematic representation of spool of a kind of direct action type proportional selector valve of the utility model preferred embodiment.
Embodiment
Be to reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, to according to a kind of its embodiment of direct action type proportional selector valve, structure, feature and the effect thereof that the utility model proposes, be described in detail as follows.
Relevant aforementioned and other technology contents of the present utility model, Characteristic can clearly present in the following detailed description that cooperates with reference to graphic preferred embodiment.Explanation by embodiment, should be to reach technological means and the effect that predetermined purpose takes to obtain one more deeply and concrete understanding to the utility model, yet appended graphic only provide with reference to the usefulness of explanation, the utility model is limited.
See also Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, Fig. 2 is the sectional view of a kind of direct action type proportional selector valve of the utility model preferred embodiment.Fig. 3 is the sectional view of the valve body of existing direct driving type electromagnetic Proportional valve.Fig. 4 is the sectional view of valve body of a kind of direct action type proportional selector valve of the utility model preferred embodiment.Fig. 5 is the schematic representation of the spool of existing direct driving type electromagnetic Proportional valve.Fig. 6 is the schematic representation of spool of a kind of direct action type proportional selector valve of the utility model preferred embodiment.
A kind of direct action type proportional selector valve of the utility model preferred embodiment mainly is comprised of valve body 1, spool 2, pressure spring 3, proportion electro-magnet 4 and amplifier 5.Wherein spool 2 is arranged in the main aperture 6 of valve body 1, and proportion electro-magnet 4 is arranged at the one or both ends of valve body 1, between spool 2 and proportion electro-magnet 4 pressure spring 3 is set, and amplifier 5 is arranged at the top of valve body 1.Wherein be provided with annular boss 7 in the main aperture 6 of valve body 1, the main aperture 6 of valve body 1 is separated into a plurality of cavitys by annular boss 7, and spool 2 is the main aperture 6 interior movements that are engaged in valve body 1 with annular boss 7, and is equipped with balancing slit 8 at annular boss 7.
The utility model also is provided with throttling groove 9 on the shoulder of spool 2.As shown in Figure 6, throttling groove 9 of the present utility model is circular shape.
Proportion electro-magnet 4 of the present utility model is provided with outside thread 10, and the one or both ends of the main aperture 6 of valve body 1 are provided with internal thread 11, and proportion electro-magnet 4 is to be equipped with in the one or both ends of valve body 1 by outside thread 10 and internal thread 11.Wherein outside thread 10 is to be arranged on the magnetic core pipe of proportion electro-magnet 4, and also is provided with the confined planes that cooperates with the end face of valve body 1 on the magnetic core pipe, and is equipped with seal groove between outside thread 10 and confined planes, and is provided with Sealing in the sealing groove.
Amplifier 5 of the present utility model can be external amplifier (HD-4WRA-2X) or incorporated amplifier (HD-4WRAE-2X).Wherein incorporated amplifier is directly to be riveted together with screw with valve body; And external amplifier is to lay amplifier by the support of independent setting, and is connected with plug with valve.Incorporated amplifier is non-adjustable, uses more convenient for the user; And external amplifier needs to regulate, and requires the user that higher electrical equipment knowledge need to be arranged.The power supply of proportional amplifier 5 of the present utility model is to adopt switch power.
The utility model also comprises pad 12 and Sealing 13.Its Intermediate gasket 12 is arranged between spool 2 and the pressure spring 3, when spool 2 motion spool 2 is played spacing effect, and the stroke of spool 2 namely guarantees by pad 12.Sealing 13 is arranged in the seal groove of hydraulic fluid port of valve body 1, plays seal action.Sealing 13 of the present utility model can be the O RunddichtringO.
When the utility model is not switched on when electromagnet 4, spool 2 under the effect of Returnning spring 3 at the main aperture 6 interior maintenance metas of valve body 1; When electromagnet 4 energisings, the push rod of electromagnet 4 directly promotes spool 2 and moves to right (or moving to left), and its displacement amount is directly proportional with electrical signal, and the throttling groove 9 of spool 2 is opened gradually, thus the flow of control liquid stream; When outage, spool 2 resets under the effect of Returnning spring 3.
Direct action type proportional selector valve of the present utility model can be realized the accurate control of direction and flow in the use by above-mentioned technical improvement, improves the usability of valve, reduces the dead band and the ring that stagnates.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet be not to limit the utility model, any those skilled in the art are not within breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. direct action type proportional selector valve, it comprises: valve body, spool, pressure spring, proportion electro-magnet and amplifier; Wherein said spool is arranged in the main aperture of described valve body, and described proportion electro-magnet is arranged at the one or both ends of described valve body, between described spool and described proportion electro-magnet described pressure spring is set, and described amplifier is arranged at the top of described valve body; Wherein be provided with annular boss in the main aperture of described valve body, the main aperture of described valve body is separated into a plurality of cavitys by described annular boss, and described spool is to be engaged in the main aperture of described valve body mobile with described annular boss; It is characterized in that:
Be equipped with balancing slit at described annular boss.
2. direct action type proportional selector valve according to claim 1 is characterized in that wherein being provided with throttling groove at the shoulder of described spool, and described throttling groove is circular shape.
3. direct action type proportional selector valve according to claim 1, it is characterized in that wherein said proportion electro-magnet is provided with outside thread, the one or both ends of the main aperture of described valve body are provided with internal thread, and described proportion electro-magnet is the one or both ends that are arranged at described valve body by described outside thread and described screw-internal thread fit.
4. direct action type proportional selector valve according to claim 3, it is characterized in that wherein said outside thread is to be arranged on the magnetic core pipe of described proportion electro-magnet, on described magnetic core pipe, also be provided with the confined planes that cooperates with the end face of described valve body, between described outside thread and described confined planes, be equipped with seal groove, in described seal groove, be provided with Sealing.
5. direct action type proportional selector valve according to claim 1 is characterized in that wherein said amplifier is external amplifier or incorporated amplifier.
6. direct action type proportional selector valve according to claim 5 is characterized in that the power acquisition switch power of wherein said amplifier.
7. direct action type proportional selector valve according to claim 1 is characterized in that it also comprises: pad and Sealing; Wherein said pad is arranged between described spool and the described pressure spring; Described Sealing is arranged in the seal groove of hydraulic fluid port of described valve body.
8. direct action type proportional selector valve according to claim 7 is characterized in that wherein said Sealing is the O RunddichtringO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320239002 CN203258106U (en) | 2013-05-06 | 2013-05-06 | Direct-acting proportional reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320239002 CN203258106U (en) | 2013-05-06 | 2013-05-06 | Direct-acting proportional reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203258106U true CN203258106U (en) | 2013-10-30 |
Family
ID=49470669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320239002 Expired - Lifetime CN203258106U (en) | 2013-05-06 | 2013-05-06 | Direct-acting proportional reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203258106U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574266A (en) * | 2013-11-11 | 2014-02-12 | 山东理工大学 | Double-electromagnet two-position-two-way high-pressure dry oil switching valve |
| CN104653820A (en) * | 2015-03-17 | 2015-05-27 | 泸州精通流体液压机械有限公司 | Multi-way valve for small-sized excavator |
| CN106051217A (en) * | 2016-07-11 | 2016-10-26 | 润琛液压机械南通有限公司 | Cycle reversing valve of ship crane |
| CN106545667A (en) * | 2016-11-22 | 2017-03-29 | 浙江大学 | Proportional reversing valve hollow out valve element and proportional reversing valve based on SLM technologies |
| CN109312868A (en) * | 2016-07-21 | 2019-02-05 | 株式会社电装 | slide valve |
| CN111605155A (en) * | 2019-02-26 | 2020-09-01 | 涌镇液压机械（上海）有限公司 | Proportional electro-hydraulic reversing valve for injection molding machine opening and closing |
| CN113446416A (en) * | 2021-02-18 | 2021-09-28 | 涌镇液压机械（上海）有限公司 | Reversing valve capable of improving load action stability |
| US11680649B2 (en) | 2020-11-16 | 2023-06-20 | Parker-Hannifin Corporstion | Proportional valve spool with linear flow gain |
-
2013
- 2013-05-06 CN CN 201320239002 patent/CN203258106U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574266A (en) * | 2013-11-11 | 2014-02-12 | 山东理工大学 | Double-electromagnet two-position-two-way high-pressure dry oil switching valve |
| CN104653820A (en) * | 2015-03-17 | 2015-05-27 | 泸州精通流体液压机械有限公司 | Multi-way valve for small-sized excavator |
| CN106051217A (en) * | 2016-07-11 | 2016-10-26 | 润琛液压机械南通有限公司 | Cycle reversing valve of ship crane |
| CN109312868A (en) * | 2016-07-21 | 2019-02-05 | 株式会社电装 | slide valve |
| CN109312868B (en) * | 2016-07-21 | 2020-05-05 | 株式会社电装 | slide valve |
| CN106545667A (en) * | 2016-11-22 | 2017-03-29 | 浙江大学 | Proportional reversing valve hollow out valve element and proportional reversing valve based on SLM technologies |
| CN106545667B (en) * | 2016-11-22 | 2018-11-13 | 浙江大学 | Proportional reversing valve hollow out spool and proportional reversing valve based on SLM technologies |
| CN111605155A (en) * | 2019-02-26 | 2020-09-01 | 涌镇液压机械（上海）有限公司 | Proportional electro-hydraulic reversing valve for injection molding machine opening and closing |
| US11680649B2 (en) | 2020-11-16 | 2023-06-20 | Parker-Hannifin Corporstion | Proportional valve spool with linear flow gain |
| CN113446416A (en) * | 2021-02-18 | 2021-09-28 | 涌镇液压机械（上海）有限公司 | Reversing valve capable of improving load action stability |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203258106U (en) | Direct-acting proportional reversing valve | |
| CN203258105U (en) | Direct-acting proportional reversing valve | |
| CN203910670U (en) | Magneto rheological fluid-based pressure adjustable switch | |
| CN104315226A (en) | Solenoid valve for fluid control | |
| CN104653845B (en) | A kind of self-holding electromagnetic valve | |
| CN203532914U (en) | Electromagnetic valve for automobile pneumatic AMT gear shifting executing mechanism | |
| CN104455651A (en) | Pneumatic high-speed switching valve and working method thereof | |
| CN102797721B (en) | Direct-acting large-flow high-speed switching electromagnetic valve | |
| CN103117148A (en) | Proportion electromagnet | |
| CN205244408U (en) | Gas accuse guide formula solenoid valve | |
| CN208272829U (en) | A kind of linear actuator of electromagnetic-permanent magnetic immixture | |
| CN201812622U (en) | Dual-head ratio electromagnet | |
| CN207093506U (en) | Electromagnet type automatic reciprocating hydraulic cylinder | |
| CN203604737U (en) | Induction safety valve with magnetic exchange valve | |
| CN204372226U (en) | a solenoid valve | |
| CN104019266B (en) | Bistable state direct-acting type is containing permanent magnet electromagnetic valve | |
| CN110469699B (en) | Direction-changeable one-way valve and use method thereof | |
| CN209839291U (en) | Electromagnetic regulating valve | |
| CN203103049U (en) | Ratio electromagnet | |
| CN203215026U (en) | Low-noise alternating-current electromagnetic valve | |
| CN219221420U (en) | A switch solenoid valve | |
| CN201982394U (en) | Ultrahigh-pressure hydraulic solenoid reversing valve | |
| CN101651005B (en) | Electromagnet and switch valve using same | |
| CN212407736U (en) | Electromagnetic valve | |
| CN111312468B (en) | A capacitive energy storage driving method for high-frequency switching electromagnet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131030 |
|
| CX01 | Expiry of patent term |