CN204592404U - A kind of ultrahigh pressure numeral selector valve - Google Patents
A kind of ultrahigh pressure numeral selector valve Download PDFInfo
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- CN204592404U CN204592404U CN201520275541.5U CN201520275541U CN204592404U CN 204592404 U CN204592404 U CN 204592404U CN 201520275541 U CN201520275541 U CN 201520275541U CN 204592404 U CN204592404 U CN 204592404U
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Abstract
The utility model discloses a kind of ultrahigh pressure numeral selector valve, comprise valve body; Thread bush and valve pocket, they are all embedded on mounting hole, and relative with valve body fixing; Spool, is inside enclosed within thread bush and valve pocket, and the one end of stretching out mounting hole is provided with the first gear, and spool also has an outside thread coordinated with thread bush; Drive motor, the output shaft of drive motor is provided with the second gear, and the second gear and the first gear cooperatively interact, and drives valve core rotation.The utility model drive motor replaces electromagnet, not by the impact of current"on"time, valve core rotation, because thread bush is motionless, so spool can along the to-and-fro motion of mounting hole axis, the screwfeed campaign of spool is more not easily more stuck than traditional linear slide, and contamination resistance is strong, has commutation and digital control function simultaneously; Set up housing configuration, avoided whole valve body all to adopt the metallic material that valuable hardness is high, provide cost savings, and can working pressure have been improved by arranging valve pocket.
Description
Technical field
The utility model relates to a kind of selector valve, is specifically related to a kind of ultrahigh pressure numeral selector valve.
Background technique
What extensively adopt in current hydraulic system is the executive component that mesolow solenoid directional control valve is used as system, makes hydraulic system entirety not only too complicated, sometimes and huge, in use also can be subject to the contaminated impact of medium, cause solenoid valve stuck.If current"on"time, the long electromagnetic core that also can make generated heat, even burn out, the maintenance rate of therefore current hydraulic system element is very high.The solenoid valve that current market can have been bought is all the product of below 31.5MPa substantially, and the product for ultrahigh pressure needs so also to be had.But also stable not, the demand of system can not be met, in publicity, also have extra-high voltage magnet valve with regard to some sophisticated manufacturing plants business, but just there is no this product in fact at all.Along with the development of society, a large amount of engineering hydraulic systems is in the urgent need to this valve, and demand has the trend constantly risen.
Model utility content
For shortcoming and defect of the prior art, the purpose of this utility model is: provide a kind of and use that pressure is large, contamination resistance by force, not by the ultrahigh pressure numeral selector valve affecting, have commutation and digital control function current"on"time simultaneously.
The technological scheme that the utility model is taked is as follows:
A kind of ultrahigh pressure numeral selector valve, comprising:
Valve body, there is the columned mounting hole of through valve body two sides, the sidewall of described mounting hole has two spaced apart annular undercut grooves, the oil return inlet T that the sidewall of described valve body also comprises oil inlet P, oil outlet A, oil outlet B and is communicated with two annular undercut grooves, wherein, described oil inlet P, oil outlet A, oil outlet B are communicated with the sidewall of mounting hole site between two annular undercut grooves respectively by passage, and oil outlet A and oil outlet B lays respectively at the both sides of oil inlet P;
The thread bush of hollow, is embedded on described mounting hole, and relative with valve body fixing, and described thread bush has internal thread;
The valve pocket of hollow, be embedded on described mounting hole, and it is relative with valve body fixing, the outer side wall of described valve pocket has three spaced apart annular grooves, each annular groove is corresponding with oil inlet P, oil outlet A and oil outlet B respectively, and the bottom surface of the sidewall that described valve pocket is corresponding with two annular undercut grooves and three annular grooves all has some through holes uniform along valve pocket axial direction;
Spool, inside be enclosed within described thread bush and valve pocket, described spool has three spaced apart undergauge sections, step section between adjacent two undergauge sections is for blocking step section, two passages blocking step section corresponding with oil outlet A and oil outlet B respectively coordinate, and control respective channel and open or close, described mounting hole is stretched out in one end of described spool, and the one end of stretching out mounting hole is provided with the first gear, described spool also has the outside thread of one and described screw-internal thread fit;
Drive motor, the output shaft of drive motor is provided with the second gear, and described second gear and the first gear cooperatively interact, and drive described valve core rotation.
The application's drive motor replaces electromagnet, not by the impact of current"on"time, valve core rotation, because thread bush is motionless, so under the effect of internal and external threads pair, spool can along the to-and-fro motion of mounting hole axis, and the screwfeed campaign of spool is more not easily more stuck than traditional linear slide, contamination resistance is strong, has commutation and digital control function simultaneously; Set up housing configuration, avoided whole valve body all to adopt the metallic material that valuable hardness is high, provide cost savings, and can working pressure have been improved by arranging valve pocket.
As preferably, described valve body has an and disjoint intercommunicating pore parallel with described mounting hole, and also have two auxiliary holes making described connecting port and correspondence annular undercut groove be communicated with respectively, described oil return inlet T is communicated with described intercommunicating pore.
By arranging intercommunicating pore and auxiliary hole, can realize only needing oil return inlet T just can and two answer annular undercut groove be communicated with, comparatively simple when making cloth pipeline.
Oil inlet P, oil outlet A, oil outlet B and oil return inlet T can be arranged on multiple sidewalls of valve body, but conveniently install, and make pipeline comparatively concentrated, and as preferably, oil inlet P, oil outlet A, oil outlet B and oil return inlet T are all located at the bottom surface of valve body.
As preferably, described second gear is single gear, or is the gear train that multiple gear is formed.
There is no particular limitation for the quantity of through hole, and as preferably, the bottom surface of the sidewall that valve pocket is corresponding with two annular undercut grooves and three annular grooves all has 4 through holes.
The step Duan Jun of described undergauge section both sides has at least one annular balancing slit.
As preferably, the end face of described thread bush and valve pocket mutually against.
In order to make more compact structure, reduce assembling work amount, as preferably, the single piece that described thread bush and valve pocket are formed in one.
The beneficial effects of the utility model are: valve core rotation, because thread bush is motionless, so under the effect of internal and external threads pair, spool can along the to-and-fro motion of mounting hole axis, the screwfeed campaign of spool is more not easily more stuck than traditional linear slide, contamination resistance is strong, has commutation and digital control function simultaneously; Set up housing configuration, avoided whole valve body all to adopt the metallic material that valuable hardness is high, provide cost savings, and can working pressure have been improved by arranging valve pocket.
Accompanying drawing illustrates:
Fig. 1 is the sectional view of the utility model ultrahigh pressure numeral selector valve;
Fig. 2 is the internal structure schematic diagram after the utility model removes drive motor gear;
Fig. 3 is the structural representation of valve body;
Fig. 4 is the plan view of valve body;
Fig. 5 is the C-C sectional view of Fig. 4;
Fig. 6 is the side view of valve body;
Fig. 7 is the D-D sectional view of Fig. 6;
Fig. 8 is the E-E sectional view of Fig. 7;
Fig. 9 is the F-F sectional view of Fig. 7;
Figure 10 is the structural representation of thread bush;
Figure 11 is the structural representation of valve pocket;
Figure 12 is the structural representation of spool;
Figure 13 is a kind of using state schematic diagram of the utility model;
Figure 14 is the another kind of using state schematic diagram of the utility model.
In figure, each reference character is:
1, spool, the 2, first gear, 3, drive motor, the 4, second gear, 5, speed reducer, 6, thread bush, 7, valve body, 8, valve pocket, 9, mounting hole, 10, intercommunicating pore, 11, auxiliary hole, 12, annular undercut groove, 13, annular groove, 14, manhole, 15, square through hole, 16, undergauge section, 17, annular balancing slit, 18, step section, 19, external thread section, P is oil inlet P, A is oil outlet A, B be oil outlet B, T is oil return inlet T.
Embodiment:
Below in conjunction with each accompanying drawing, the utility model is described in detail.
As illustrated in fig. 1 and 2, a kind of ultrahigh pressure numeral selector valve, comprising:
Valve body 7, there is the columned mounting hole 9 of through valve body two sides, the sidewall of mounting hole has two spaced apart annular undercut grooves 12, the oil return inlet T that the sidewall of valve body also comprises oil inlet P, oil outlet A, oil outlet B and is communicated with two annular undercut grooves, wherein, oil inlet P, oil outlet A, oil outlet B are communicated with the sidewall of mounting hole 9 between two annular undercut grooves respectively by passage, and oil outlet A and oil outlet B lays respectively at the both sides of oil inlet P, the present embodiment passage is the hole perpendicular with body wall, sees Fig. 3 ~ 9.Oil inlet P, oil outlet A, oil outlet B and oil return inlet T can be arranged on multiple sidewalls of valve body, but conveniently install, and make pipeline comparatively concentrated, and the present embodiment oil inlet P, oil outlet A, oil outlet B and oil return inlet T are all located at the bottom surface of valve body.
The thread bush 6 of hollow, is embedded on mounting hole 9, and relative with valve body 7 fixing, and thread bush has internal thread, sees Figure 10;
The valve pocket 8 of hollow, be embedded on mounting hole 9, and it is relative with valve body 7 fixing, as shown in figure 11, the outer side wall of valve pocket has three spaced apart annular grooves 13, each annular groove 13 is corresponding with oil inlet P, oil outlet A and oil outlet B respectively, and the bottom surface of the sidewall that valve pocket 7 is corresponding with two annular undercut grooves and three annular grooves all has some through holes uniform along valve pocket axial direction; There is no particular limitation for the quantity of through hole, the bottom surface of the sidewall that the present embodiment valve pocket is corresponding with two annular undercut grooves and three annular grooves all has 4 through holes, and the through hole of the bottom surface of the annular groove of centre and sidewall corresponding to two annular undercut grooves is manhole 14, the through hole of the bottom surface of two other annular groove is square through hole 15.
Spool 1, inside be enclosed within thread bush and valve pocket, as shown in figure 12, spool has three spaced apart undergauge sections 16, the both sides of undergauge section are step section 18, and wherein, the step section between adjacent two undergauge sections is for blocking step section, two passages blocking step section corresponding with oil outlet A and oil outlet B respectively coordinate, and control respective channel and open or close; As shown in Figure 1, mounting hole 9 is stretched out in one end of spool 1, and the one end of stretching out mounting hole is provided with the first gear 2, and spool also has the external thread section 19 of one and screw-internal thread fit;
Drive motor 3, the output shaft of drive motor is provided with the second gear 4, second gear and the first gear cooperatively interacts, and drives spool 1 to rotate.Second gear can be the gear train that single gear also can be formed for multiple gear, the present embodiment second gear 4 single gears, and the first gear and the second gear are installed in speed reducer 5.
The present embodiment thread bush and valve pocket are independently two parts, and the end face of thread bush and valve pocket mutually against, except such setting, the single piece that they can also be formed in one.The material of the present embodiment thread bush is copper.
As Fig. 3 ~ 9 the present embodiment valve body 7 has an and disjoint intercommunicating pore 10 parallel with mounting hole 9, also have two auxiliary holes 11 making connecting port and correspondence annular undercut groove be communicated with respectively, oil return inlet T is communicated with intercommunicating pore 11.By arranging intercommunicating pore and auxiliary hole, can realize only needing an oil return inlet T just should can be communicated with by annular undercut groove with two.Comparatively simple when making cloth pipeline.
The step Duan Jun of the present embodiment undergauge section 16 both sides has at least one annular balancing slit 17.
The working principle of selector valve is such:
When two block step section shelter from the oil outlet A passage corresponding with oil outlet B completely time, now there is no oil in valve body, diverter valve imoperative;
Under above-mentioned off position, when valve body moves to side (the present embodiment is for left), as shown in figure 13, now oil inlet P communicates with oil outlet A, and pressure medium arrives the oil pocket that A mouth connects, and B mouth communicates with oil return inlet T simultaneously.Oil is carried successively along the direction of a1 ~ a8.
Under above-mentioned off position, when valve body moves (the present embodiment is for the right) to opposite side, as shown in figure 14, now oil inlet P communicates with oil outlet B, and pressure medium arrives the oil pocket that B mouth connects, and A mouth communicates with oil return inlet T simultaneously.Oil is carried successively along the direction of b1 ~ b8.
The application's drive motor replaces electromagnet, not by the impact of current"on"time, valve core rotation, because thread bush is motionless, so under the effect of internal and external threads pair, spool can along the to-and-fro motion of mounting hole axis, and the screwfeed campaign of spool is more not easily more stuck than traditional linear slide, contamination resistance is strong, has commutation and digital control function simultaneously; Set up housing configuration, avoided whole valve body all to adopt the metallic material that valuable hardness is high, provide cost savings, and can working pressure have been improved by arranging valve pocket.Can reach 65MPa through actual test, even 80MPa is also in use.Original speed and pressure regulating digital valve can only reach 31.5MPa.
These are only preferred embodiment of the present utility model; not thereby scope of patent protection of the present utility model is namely limited; the equivalent structure transformation that every utilization the utility model specification and accompanying drawing content are done; directly or indirectly be used in the technical field that other are relevant, be all in like manner included in protection domain of the present utility model.
Claims (8)
1. a ultrahigh pressure numeral selector valve, is characterized in that, comprising:
Valve body, there is the columned mounting hole of through valve body two sides, the sidewall of described mounting hole has two spaced apart annular undercut grooves, the oil return inlet T that the sidewall of described valve body also comprises oil inlet P, oil outlet A, oil outlet B and is communicated with two annular undercut grooves, wherein, described oil inlet P, oil outlet A, oil outlet B are communicated with the sidewall of mounting hole site between two annular undercut grooves respectively by passage, and oil outlet A and oil outlet B lays respectively at the both sides of oil inlet P;
The thread bush of hollow, is embedded on described mounting hole, and relative with valve body fixing, and described thread bush has internal thread;
The valve pocket of hollow, be embedded on described mounting hole, and it is relative with valve body fixing, the outer side wall of described valve pocket has three spaced apart annular grooves, each annular groove is corresponding with oil inlet P, oil outlet A and oil outlet B respectively, and the bottom surface of the sidewall that described valve pocket is corresponding with two annular undercut grooves and three annular grooves all has some through holes uniform along valve pocket axial direction;
Spool, inside be enclosed within described thread bush and valve pocket, described spool has three spaced apart undergauge sections, step section between adjacent two undergauge sections is for blocking step section, two passages blocking step section corresponding with oil outlet A and oil outlet B respectively coordinate, and control respective channel and open or close, described mounting hole is stretched out in one end of described spool, and the one end of stretching out mounting hole is provided with the first gear, described spool also has the outside thread of one and described screw-internal thread fit;
Drive motor, the output shaft of drive motor is provided with the second gear, and described second gear and the first gear cooperatively interact, and drive described valve core rotation.
2. ultrahigh pressure numeral selector valve as claimed in claim 1, it is characterized in that, described valve body has an and disjoint intercommunicating pore parallel with described mounting hole, and also have two auxiliary holes making described connecting port and correspondence annular undercut groove be communicated with respectively, described oil return inlet T is communicated with described intercommunicating pore.
3. ultrahigh pressure numeral selector valve as claimed in claim 1, it is characterized in that, oil inlet P, oil outlet A, oil outlet B and oil return inlet T are all located at the bottom surface of valve body.
4. ultrahigh pressure numeral selector valve as claimed in claim 1, it is characterized in that, described second gear is single gear, or is the gear train that multiple gear is formed.
5. ultrahigh pressure numeral selector valve as claimed in claim 1, is characterized in that, the bottom surface of the sidewall that valve pocket is corresponding with two annular undercut grooves and three annular grooves all has 4 through holes.
6. ultrahigh pressure numeral selector valve as claimed in claim 1, it is characterized in that, the step Duan Jun of described undergauge section both sides has at least one annular balancing slit.
7. ultrahigh pressure numeral selector valve as claimed in claim 1, is characterized in that, the end face of described thread bush and valve pocket mutually against.
8. ultrahigh pressure numeral selector valve as claimed in claim 1, is characterized in that, the single piece that described thread bush and valve pocket are formed in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275541.5U CN204592404U (en) | 2015-04-29 | 2015-04-29 | A kind of ultrahigh pressure numeral selector valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275541.5U CN204592404U (en) | 2015-04-29 | 2015-04-29 | A kind of ultrahigh pressure numeral selector valve |
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| CN204592404U true CN204592404U (en) | 2015-08-26 |
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| CN201520275541.5U Active CN204592404U (en) | 2015-04-29 | 2015-04-29 | A kind of ultrahigh pressure numeral selector valve |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194875A (en) * | 2016-08-30 | 2016-12-07 | 缙云县博新机械有限公司 | Work enters pressure regulator valve |
| CN107559254A (en) * | 2017-08-21 | 2018-01-09 | 泸州精通流体液压机械有限公司 | Pass through electronically controlled electric proportional control valve |
| CN107559255A (en) * | 2017-08-21 | 2018-01-09 | 泸州精通流体液压机械有限公司 | Electric proportional control valve based on electric-control system |
| CN107618022A (en) * | 2017-09-14 | 2018-01-23 | 西南交通大学 | Volume speed regulating hydraulic system and power-assisted lower limb exoskeleton |
| CN107639626A (en) * | 2017-09-14 | 2018-01-30 | 西南交通大学 | Throttle grverning hydraulic system and power-assisted lower limb exoskeleton |
| CN108036316A (en) * | 2017-12-07 | 2018-05-15 | 德化县顺尔美工艺品有限公司 | A kind of Pottery Tunnel Calcining Kiln high-speed fuel gas burner |
| CN108302076A (en) * | 2018-01-30 | 2018-07-20 | 山东思达高科机械设备有限公司 | A kind of electro-hydraulic proportional servo valve using by-pass throttle |
| CN111219373A (en) * | 2018-11-27 | 2020-06-02 | 辽宁海裕流体传控系统有限公司 | Multi-motor direct-drive multi-valve-element multifunctional rotary hydraulic regulating valve |
| CN111365314A (en) * | 2020-03-26 | 2020-07-03 | 浙江大学宁波理工学院 | Fault tolerant reversing valve |
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2015
- 2015-04-29 CN CN201520275541.5U patent/CN204592404U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194875A (en) * | 2016-08-30 | 2016-12-07 | 缙云县博新机械有限公司 | Work enters pressure regulator valve |
| CN106194875B (en) * | 2016-08-30 | 2018-01-12 | 缙云县博新机械有限公司 | Work enters pressure regulator valve |
| CN107559254A (en) * | 2017-08-21 | 2018-01-09 | 泸州精通流体液压机械有限公司 | Pass through electronically controlled electric proportional control valve |
| CN107559255A (en) * | 2017-08-21 | 2018-01-09 | 泸州精通流体液压机械有限公司 | Electric proportional control valve based on electric-control system |
| CN107618022A (en) * | 2017-09-14 | 2018-01-23 | 西南交通大学 | Volume speed regulating hydraulic system and power-assisted lower limb exoskeleton |
| CN107639626A (en) * | 2017-09-14 | 2018-01-30 | 西南交通大学 | Throttle grverning hydraulic system and power-assisted lower limb exoskeleton |
| CN107639626B (en) * | 2017-09-14 | 2024-04-23 | 西南交通大学 | Throttling speed-regulating hydraulic system and power-assisted lower limb exoskeleton |
| CN107618022B (en) * | 2017-09-14 | 2024-04-26 | 西南交通大学 | Volume speed-regulating hydraulic system and power-assisted lower limb exoskeleton |
| CN108036316A (en) * | 2017-12-07 | 2018-05-15 | 德化县顺尔美工艺品有限公司 | A kind of Pottery Tunnel Calcining Kiln high-speed fuel gas burner |
| CN108302076A (en) * | 2018-01-30 | 2018-07-20 | 山东思达高科机械设备有限公司 | A kind of electro-hydraulic proportional servo valve using by-pass throttle |
| CN111219373A (en) * | 2018-11-27 | 2020-06-02 | 辽宁海裕流体传控系统有限公司 | Multi-motor direct-drive multi-valve-element multifunctional rotary hydraulic regulating valve |
| CN111365314A (en) * | 2020-03-26 | 2020-07-03 | 浙江大学宁波理工学院 | Fault tolerant reversing valve |
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