CN204755450U - Manual proportion throttled directional valve of screw -in cartridge formula guide - Google Patents
Manual proportion throttled directional valve of screw -in cartridge formula guide Download PDFInfo
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- CN204755450U CN204755450U CN201520459232.3U CN201520459232U CN204755450U CN 204755450 U CN204755450 U CN 204755450U CN 201520459232 U CN201520459232 U CN 201520459232U CN 204755450 U CN204755450 U CN 204755450U
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Abstract
The utility model provides from the top down has set gradually direction supporting sleeve, spring holder A, spring holder B, cylinder body, support cover, valve barrel in a manual proportion throttled directional valve of screw -in cartridge formula guide, valve body, is provided with the jump ring seat between direction supporting sleeve and the spring holder A, is provided with compression spring between spring holder A and the spring holder B, the lower part from the top down of valve body has set gradually X mouth, Y mouth, and X mouth, Y mouth are located the outer lane of cylinder body, and the lug of transfer line separates the inner chamber of cylinder body for a cavity, is provided with a through -hole on the upper plenum of cylinder body, and the through -hole communicates with each other with the X mouth, the outer lane from the top down of valve barrel sets gradually hydraulic fluid port P, the hydraulic fluid port B of hydraulic fluid port A, two upper and lower ranges, and the bottom of valve barrel is provided with hydraulic fluid port T, and hydraulic fluid port A, hydraulic fluid port B's the outside all is provided with the orifice that is a plurality of different apertures that the hand of spiral arranged. The utility model discloses convenient and practical, it is rational in infrastructure, can realize also realizing remote control by the control of electric ratio pressure reducing valve by manually operation by the control of manual ratio pressure reducing valve.
Description
Technical field
The utility model belongs to hydraulic element field, and particularly the manual ratio throttled directional valve of a kind of threaded insertion pilot, is widely used in the hydraulic control such as boats and ships, engineering machinery.
Background technique
At present both at home and abroad all without the product with the similar structure of the manual proportional reversing valve of screw thread inserting type, Conventional plate-type structure only has spool to adopt alloy steel products to make, valve body is by cast iron process, although cast iron has wear-resisting feature, but be not easy to heat treatment, its hardness cannot be brought up to the heat treated hardness of alloy steel products.
Summary of the invention
The purpose of this utility model will solve the problems of the technologies described above.
The purpose of this utility model is achieved in that the manual ratio throttled directional valve of a kind of threaded insertion pilot, comprise valve body, valve pocket, main valve plug is provided with in valve pocket, it is characterized in that: described valve body top is connected with valve head assembly by nut, valve head assembly top front is provided with protecting jacket, the rear portion of protecting jacket is provided with locking device on the right side, valve head assembly front portion is provided with outwardly cylindrical body, be provided with band gearing shaft in cylindrical body, the gear of band gearing shaft engages with the tooth bar on drive link top; The handle of valve head assembly upper left-hand is arranged on the front end of band gearing shaft, and the locking spool of locking device is arranged on the transmission shaft of band gear transmission shaft rear end, and handle and locking device are on same vertical surface.
The middle part of described valve body is provided with drive link, drive link bottom and main valve plug joggle; Be disposed with guided bearing cover, spring seat A, spring seat B, cylinder body, supporting sleeve, valve pocket in valve body from top to bottom, be provided with clip spring seat between guided bearing cover and spring seat A, between spring seat A and spring seat B, be provided with Compress Spring; The bottom of valve body is disposed with X mouth, Y mouth from top to bottom, and X mouth, Y mouth are positioned at the outer ring of cylinder body, and the inner chamber of cylinder body is divided into a cavity by the projection of drive link, and the upper plenum of cylinder body is provided with a through hole, through hole communicates with X mouth.
The outer ring of described valve pocket is disposed with hydraulic fluid port A, two the hydraulic fluid port P be arranged above and below, hydraulic fluid port B from top to bottom, the bottom of valve pocket is provided with hydraulic fluid port T, the outside of hydraulic fluid port A, hydraulic fluid port B is provided with the throttle orifice of some different pore sizes that helically direction is arranged, two hydraulic fluid port P be arranged above and below all coordinate the cavity formed to communicate with valve pocket and main valve plug.
The utility model is convenient and practical, rational in infrastructure, be not only applicable to operator's short-range operation, by manual proportional pressure-relief valve control, also can operate a long way off, by automatically controlled realize multiple valve combined operation also can be pilot operated, to realize the object of telecontrol; It is inner that selector valve main working parts is arranged on valve block, owing to there being the isolated of hydraulic oil, can not produce corrosion.And expose aerial part and correspondingly can adopt some resistant materials, thus the Environmental Conditions of the oceans such as boats and ships and offshore engineering equipment can be adapted to better, apply and there is good economic and social benefit.
Accompanying drawing explanation
Fig. 1 is plan view of the present utility model.
Fig. 2 is plan view of the present utility model.
Fig. 3 is left view of the present utility model.
Fig. 4 is sectional view of the present utility model.
Fig. 5 is I partial enlarged drawing of Fig. 4.
Fig. 6 is II partial enlarged drawing of Fig. 4.
Fig. 7 is throttle orifice unfolded drawing of the present utility model.
Fig. 8 is schematic diagram of the present utility model.
In figure: 1. handle; 2. protecting jacket; 3. locking device; 4. valve body; 5. hydraulic fluid port A; 6. hydraulic fluid port P; 7. hydraulic fluid port B; 8. be with gearing shaft; 9.X mouth; 10.Y mouth; 11. upper limits; 12. lower limit; 13. springs; 14. locking spools; 15. sealing seats; 16. transmission shafts; 17. valve head assemblies; 18. guided bearing covers; 19. clip spring seats; 20. spring seat A; 21. Compress Springs; 22. spring seat B; 23. cylinder bodies; 24. drive links; 25. supporting sleeves; 26. main valve plugs; 27. valve pockets; 28. hydraulic fluid port T; 29. throttle orifices.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, but not as to restriction of the present utility model:
The manual ratio throttled directional valve of a kind of threaded insertion pilot, comprise valve body 4, valve pocket 27, main valve plug 26 is provided with in valve pocket 27, described valve body 4 top is connected with valve head assembly 17 by nut, valve head assembly 17 top front is provided with protecting jacket 2, and the rear portion of protecting jacket 2 is provided with locking device 3 on the right side, and valve head assembly 17 front portion is provided with outwardly cylindrical body, be provided with band gearing shaft 8 in cylindrical body, the gear of band gearing shaft 8 engages with the tooth bar on drive link 24 top; The handle 1 of valve head assembly 17 upper left-hand is arranged on the front end of band gearing shaft 8, and the locking spool 14 of locking device 3 is arranged on the transmission shaft 16 of band gearing shaft 8 rear end, and handle 1 and locking device 3 are on same vertical surface; The middle part of described valve body 4 is provided with drive link 24, drive link 24 bottom and main valve plug 26 joggle; Guided bearing cover 18, spring seat A20, spring seat B22, cylinder body 23, supporting sleeve 25, valve pocket 27 is disposed with from top to bottom in valve body 4, be provided with clip spring seat 19 between guided bearing cover 18 and spring seat A20, between spring seat A20 and spring seat B22, be provided with Compress Spring 21; The outer ring that the bottom of valve body 4 is disposed with X mouth 9 from top to bottom, Y mouth 10, X mouth 9, Y mouth 10 are positioned at cylinder body 23, the inner chamber of cylinder body 23 is divided into 2 cavitys by the projection of drive link 24, and the upper plenum of cylinder body 23 is provided with a through hole, through hole communicates with X mouth 9; The outer ring of described valve pocket 27 is disposed with hydraulic fluid port A5, two the hydraulic fluid port P6 be arranged above and below, hydraulic fluid port B7 from top to bottom, the bottom of valve pocket 27 is provided with hydraulic fluid port T28, throttle orifice 29, two hydraulic fluid port P6 be arranged above and below that the outside of hydraulic fluid port A5, hydraulic fluid port B7 is provided with some different pore sizes that helically direction is arranged all coordinate the cavity formed to communicate with valve pocket 27 with main valve plug 26.
During concrete enforcement, 1), be disposed with upper limit 11, lower limit 12 from top to bottom in protecting jacket 2, lower limit 12 is connected with drive link 24, can control peak rate of flow; 2), locking device working principle: locking spool 14 bottom of locking device 3 is provided with sealing seat 15, the top of locking spool 14 is provided with nut, spring 13 is provided with between locking spool 14 and nut, the top of nut is provided with knob, be threaded connection between locking spool 14 and knob, fixed pin prevents from loosening; During locking, spring 13 withstands the step on locking spool 14, is sold by locking spool 14 inside transmission shaft 16, can prevent transmission shaft 16 from rotating, when pulling knob, overcoming spring force drives locking spool 14 and pin up to move to bottom nut L-type and to rotate after 90 degree, and pin is stuck in L-type groove bottom, and main valve plug 26 no longer moves down, now, locking spool 14 is thrown off with transmission shaft 16, and transmission shaft 16 can rotate, and can prevent misoperation; 3), the utility model adopts the form of thread cartridge, and be convenient to the design of hydraulic control valve group, processing, and can make volume is less by the valve group of identical function, quality is lighter, and beautiful shape is easy to operate; 4), spool valve pocket all can adopt alloy steel products to make, and be convenient to heat treatment, spool and valve pocket have quite high hardness, run into general oil residue, can shear, correspondingly improve contamination resistance.
Working principle: changed along with the position of main valve plug 26 movement by the hydraulic fluid flow rate of valve pocket 27, forms ratio throttling; Main valve plug 26 is hydraulic fluid port P6-hydraulic fluid port A5 when meta moves up, and hydraulic fluid port B7-hydraulic fluid port T28 communicates, and hydraulic fluid port P6-hydraulic fluid port B7 when main valve plug 26 moves down, hydraulic fluid port A5-hydraulic fluid port T28 communicates, and is now commutation function.
Driving handle 1 is stirred forward, handle 1 drives band gearing shaft 8 to rotate, with the tooth bar upwards moving linearly of the gear driven drive link 24 on gearing shaft, drive link 24 and main valve plug 26 take joggle form to be connected, drive link 24 is provided with Compress Spring 21, coordinating spring seat and jump ring to make bi-directional compression, can automatic centering be realized when stopping manually-operable, the subsidiary piston of drive link 24, piston can drive drive link 24 to move up and down according to the magnitude of pressure differential between pilot port X mouth 9, Y mouth 10 in cylinder body 23 inside, drive link 24 drives main valve plug 26 upwards moving linearly, plus lap form is adopted between main valve plug 26 and valve pocket 27, when home position, hydraulic fluid port P6 closes, hydraulic fluid port A5, hydraulic fluid port B7 is identical with hydraulic fluid port T28 throttling, when main valve plug 26 up moves, one section of dead band is had between hydraulic fluid port P6 to hydraulic fluid port A5, after stroke exceedes dead band, hydraulic fluid port P6 starts to communicate with hydraulic fluid port A5, main valve plug 26 displacement and handle 1 work angle proportional, at this moment hydraulic fluid port P6 is to hydraulic fluid port A5, hydraulic fluid port B7 is to hydraulic fluid port T28, connected by the restriction formed between main valve plug 26 and valve pocket 27, restriction characteristic is gradual, along with lever operated angle is larger, flow also correspondingly increases.
After release handle 1, promote spring seat A20 by Compress Spring 21, spring seat A20 drives drive link 24 to carry out centering.
When handle 1 is toward post-tensioning, now hydraulic fluid port P6 to hydraulic fluid port B7, hydraulic fluid port A5 form proportional control to hydraulic fluid port T28, and its principle is stirred forward identical with driving handle 1.
After the pressure reduction of pilot operated pilot port X mouth 9, Y mouth 10 is greater than lowest starting pressure, main valve plug 26 moves up and down, and its working principle is equal to manually-operable; Throttle orifice opening degree between main valve plug 26, valve pocket 27 changes according to the proportional change of pressure reduction of pilot port X mouth 9, Y mouth 10.
The utility model major function is moving direction and the movement velocity of hydraulic control executive component (oil hydraulic motor, hydraulic jack etc.); Coordinate pressure compensated control valve, the rigidity that can realize the movement velocity of hydraulic actuator regulates, and not by the impact of load change, strengthens the controllability of executive component.
Above-described embodiment of the present utility model; it is only the citing clearly illustrating that the utility model does; but be not used for limiting protection domain of the present utility model; all equivalent technological schemes also belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by every claim.
Claims (3)
1. the manual ratio throttled directional valve of threaded insertion pilot, comprise valve body (4), valve pocket (27), main valve plug (26) is provided with in valve pocket (27), it is characterized in that: described valve body (4) top is connected with valve head assembly (17) by nut, valve head assembly (17) top front is provided with protecting jacket (2), the rear portion of protecting jacket (2) is provided with locking device (3) on the right side, valve head assembly (17) front portion is provided with outwardly cylindrical body, band gearing shaft (8) is provided with in cylindrical body, the gear of band gearing shaft (8) engages with the tooth bar on drive link (24) top, the handle (1) of valve head assembly (17) upper left-hand is arranged on the front end of band gearing shaft (8), the locking spool (14) of locking device (3) is arranged on the transmission shaft (16) of band gearing shaft (8) rear end, and handle (1) and locking device (3) are on same vertical surface.
2. the manual ratio throttled directional valve of a kind of threaded insertion pilot according to claim 1, is characterized in that: the middle part of described valve body (4) is provided with drive link (24), drive link (24) bottom and main valve plug (26) joggle; Be disposed with guided bearing cover (18), spring seat A(20 in valve body (4) from top to bottom), spring seat B(22), cylinder body (23), supporting sleeve (25), valve pocket (27), guided bearing cover (18) and spring seat A(20) between be provided with clip spring seat (19), spring seat A(20) and spring seat B(22) between be provided with Compress Spring (21); The bottom of valve body (4) is disposed with X mouth (9), Y mouth (10) from top to bottom, X mouth (9), Y mouth (10) are positioned at the outer ring of cylinder body (23), the inner chamber of cylinder body (23) is divided into 2 cavitys by the projection of drive link (24), the upper plenum of cylinder body (23) is provided with a through hole, through hole communicates with X mouth (9).
3. the manual ratio throttled directional valve of a kind of threaded insertion pilot according to claim 2, it is characterized in that: the outer ring of described valve pocket (27) is disposed with hydraulic fluid port A(5 from top to bottom), two hydraulic fluid port P(6 be arranged above and below), hydraulic fluid port B(7), the bottom of valve pocket (27) is provided with hydraulic fluid port T(28), hydraulic fluid port A(5), hydraulic fluid port B(7) outside be provided with the throttle orifice (29) of some different pore sizes that helically direction is arranged, two hydraulic fluid port P(6 be arranged above and below) all coordinate the cavity formed to communicate with valve pocket (27) with main valve plug (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520459232.3U CN204755450U (en) | 2015-07-01 | 2015-07-01 | Manual proportion throttled directional valve of screw -in cartridge formula guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520459232.3U CN204755450U (en) | 2015-07-01 | 2015-07-01 | Manual proportion throttled directional valve of screw -in cartridge formula guide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204755450U true CN204755450U (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520459232.3U Active CN204755450U (en) | 2015-07-01 | 2015-07-01 | Manual proportion throttled directional valve of screw -in cartridge formula guide |
Country Status (1)
| Country | Link |
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| CN (1) | CN204755450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976174A (en) * | 2015-07-01 | 2015-10-14 | 靖江市菲尔特液压机械有限公司 | Threaded cartridge type pilot manual proportional throttled directional valve |
-
2015
- 2015-07-01 CN CN201520459232.3U patent/CN204755450U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976174A (en) * | 2015-07-01 | 2015-10-14 | 靖江市菲尔特液压机械有限公司 | Threaded cartridge type pilot manual proportional throttled directional valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |