CN201368075Y - Watertight electro-hydraulic directional valve - Google Patents
Watertight electro-hydraulic directional valve Download PDFInfo
- Publication number
- CN201368075Y CN201368075Y CNU2009200376777U CN200920037677U CN201368075Y CN 201368075 Y CN201368075 Y CN 201368075Y CN U2009200376777 U CNU2009200376777 U CN U2009200376777U CN 200920037677 U CN200920037677 U CN 200920037677U CN 201368075 Y CN201368075 Y CN 201368075Y
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- 239000000945 filler Substances 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000005728 strengthening Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 14
- 239000002828 fuel tank Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The utility model discloses a watertight electro-hydraulic directional valve which needs little maintenance and can be used for underwater operation. The watertight electro-hydraulic directional valve comprises a reversing body, wherein two solenoid valves are arranged at the top of the reversing body; a main oil inlet passage, a main oil return passage, two piston cavities and two oil return cavities are formed in the reversing body; a piston and a piston rod are arranged in each piston cavity; each piston cavity is divided into an upper cavity, a middle cavity and a lower cavity; control oil passages for communicating the main oil inlet passage with oil inlets of the two solenoid valves are arranged in the reversing body; oil outlets of the two solenoid valves are communicated with top openings of the two piston cavities respectively; the oil return cavities in the reversing body are communicated with the middle cavities in a one-to-one manner; the bottom of each oil return cavity is communicated with a bottom opening of the corresponding piston cavity; bypass oil passages are arranged in the solenoid valves; a bypass oil channel communicated with the main oil inlet passage is arranged in the reversing body; and the inlet of the bypass oil channel is communicated with the outlet of the bypass oil passage through a bypass oil pipe. The utility model is mainly used for oil passage reversion in reservoir and course digging, dam strengthening and the like.
Description
Technical field
The utility model relates to the selector valve that is used for the oil circuit commutation.
Background technique
Present selector valve can only be prevented dripping, and can not be used for underwater operation, and its structure comprises: the path guiding valve and the solenoid valve that is used to control the path guiding valve that are used for the oil circuit commutation.During use, solenoid valve directly promotes the commutation of path guiding valve.This selector valve is after a period of time of stopping using, and the multiple tracks axle of guiding valve and the oily adhesion coating between the hole thicken, and result in blockage, and make whole selector valve not use.Run into this situation, whole selector valve can only be taken apart, can recover after the mediation, use very trouble, needing has increased maintenance cost often to its maintenance.In addition, some need the occasion of operation under water digging deep water storehouse and reinforce dikes and dams etc., owing to can not commutate under water, have increased the difficulty of laying pipeline.
The model utility content
Technical problem to be solved in the utility model is: a kind of watertight electro-hydraulic reversing valve that seldom needs to safeguard and can be used for underwater operation is provided.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the watertight electro-hydraulic reversing valve, comprise: the commutation body, the top of commutation body is provided with two solenoid valves, be provided with total in-line in the commutation body, total oil circuit, two piston cavity and two oil back chambers, total outside opening of in-line, form filler opening, total outside opening of oil circuit, form return opening, be provided with piston and the piston rod that links to each other with piston in each piston cavity, upper cover of piston rod is equipped with, following platen and spring and spring seat, spring seat is shelved on, on at the bottom of the hole between the following platen, the two ends of spring are pressed on respectively on spring seat and the last platen, seal ring on the piston, seal ring on the last platen, seal ring on seal ring under the spring seat and the following platen is divided into epicoele with piston cavity, lumen and cavity of resorption, wherein: epicoele communicates with total in-line, and cavity of resorption communicates with total oil circuit; Also be provided with two control oil channel that total in-line is communicated with the filler opening of two solenoid valves in the commutation body, the oil outlet of two solenoid valves communicates with the open top of two piston cavity respectively, also be provided with two commutation passages that are communicated with corresponding oil back chamber and lumen in the commutation body, two commutation passages all outwards opening, form two commutations mouthful, the bottom of each oil back chamber communicates by the opening of drainback passage with the bottom in respective pistons chamber; Be provided with other oil circuit in each solenoid valve, also be provided with the oily passage in side that communicates with total oil circuit in the described commutation body, the inlet of other oily passage is connected with the outlet of other oil circuit by other oil pipe.
Described commutation body is the multilayer split-type structural.
Described commutation body by last slice, middle sheet and following sheet constitute.
The beneficial effects of the utility model are: watertight electro-hydraulic reversing valve described in the utility model is an all-sealed structure worthy of the name, can bear the pressure of 12MPa, thereby can be placed under water, realize the commutation of oil circuit under water, so just greatly facilitate the laying of pipeline.Solenoid valve in the utility model is not the commutation that is used for directly promoting oil circuit, the just control oil channel that solenoid valve is opened, the oil pressure of control oil channel promotes piston rod and is subjected to displacement, make that corresponding epicoele communicates with lumen, cavity of resorption communicates with drainback passage, because the internal diameter of control oil channel is thinner, usually can reach the pressure of 6MPa, it is very light to promote piston rod, can not stop up the normal use that has influence on selector valve because of oil circuit, seldom need to safeguard, thereby can reduce maintenance cost greatly, improve the reliability of described selector valve greatly.
Description of drawings
Fig. 1 is a main TV structure schematic representation of the present utility model;
Fig. 2 is the backsight structural representation of Fig. 1;
Fig. 3 is the left TV structure schematic representation of Fig. 1;
Fig. 4 be Fig. 3 C-C to the solenoid valve adhesive time cross-sectional view;
Fig. 5 be Fig. 3 C-C to the cross-sectional view of solenoid valve when unclamping;
Fig. 6 be Fig. 3 D-D to the cross-sectional view of solenoid valve when unclamping;
Among Fig. 1 to Fig. 6: 1, solenoid valve, 11, oil inlet passage, 12, spool, 13, spring, 14, oil discharge passage, 15, other oil circuit, 16, left side sealing plug, 17, right sealing plug, 2, solenoid valve, 21, oil inlet passage, 22, spool, 23, spring, 24, oil discharge passage, 25, other oil circuit, 26, left side sealing plug, 27, right sealing plug, 31, last slice, 32, middle sheet, 33, following sheet, 34, total in-line, 35, total oil circuit, 36, the commutation passage, 37, the commutation passage, 38, the sealing plug screw, 4, other oil pipe, 5, other oil pipe, 6, cable joining, 7, cable joining, 8, the oil circuit joint, 9, the oil circuit joint, 40, control oil channel, 41, upper left chamber, 42, left side lumen, 43, the chamber, lower-left, 44, other oily passage, 45, right oil back chamber, 46, drainback passage, 50, control oil channel, 51, upper right chamber, 52, right lumen, 53, the chamber, bottom right, 54, other oily passage, 55, left side oil back chamber, 56, drainback passage, 61, piston, 62, piston rod, 63, last platen, 64, spring, 65, spring seat, 66, following platen, 71, piston, 72, piston rod, 73, last platen, 74, spring, 75, spring seat, 76, following platen.
In addition, P is a filler opening, and T is a return opening, and A and B are two commutation mouths.
Embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present utility model in detail.
As Fig. 1, Fig. 2, shown in Figure 3, watertight electro-hydraulic reversing valve described in the utility model, comprise: the commutation body, the needs of endoporus in the body of processing commutation for convenience, the commutation body is three layers of split-type structural, by last slice 31, middle sheet 32 and following sheet 33 constitute, last slice 31 the top of commutation body is provided with two solenoid valves 1 and 2, solenoid valve 1 comprises: oil inlet passage 11, spool 12, spring 13, oil discharge passage 14, other oil circuit 15 and left sealing plug 16 and right sealing plug 17, solenoid valve 2 comprises: oil inlet passage 21, spool 22, spring 23, oil discharge passage 24, other oil circuit 25 and left sealing plug 26 and right sealing plug 27; As shown in Figure 5 and Figure 6, be provided with total in-line 34 in the commutation body, a total oil circuit 35 and a left side, a right piston cavity and a left side, right oil back chamber 55 and 45, total in-line 34 outside openings, form oil inlet P, total oil circuit 35 outside openings, form oil return inlet T, left piston chamber and right oil back chamber 45 are positioned at the front portion of commutation body, left side oil back chamber 55 and right piston cavity are positioned at the rear portion of commutation body, be provided with piston 61 and piston rod 62 in the left piston chamber, piston 61 is threaded with piston rod 62, and by and cap piston 61 is positioned on the piston rod 62, also be set with on the piston rod 62, following platen 63 and 66 and spring 64 and spring seat 65, wherein: on, following platen 63 and 66 is threaded with piston rod 62, and use respectively and cap will go up, following platen 63 and 66 is positioned on the piston rod 62, spring seat 65 is shelved on the left piston chamber and is positioned at, on at the bottom of the hole between the following platen 63 and 66, the two ends of spring 64 are pressed on respectively on spring seat 65 and the last platen 63, seal ring on the piston 61, seal ring on the last platen 63, seal ring on seal ring under the spring seat 65 and the following platen 66 is divided into upper left chamber 41 with the left piston chamber, left side lumen 42 and chamber, lower-left 43, wherein: upper left chamber 41 is connected with total in-line 34, and chamber, lower-left 43 is connected with total oil circuit 35; Be provided with piston 71 and piston rod 72 in the right piston cavity, piston 71 is threaded with piston rod 72, and by and cap piston 71 is positioned on the piston rod 72, also be set with on the piston rod 72, following platen 73 and 76 and spring 74 and spring seat 75, wherein: on, following platen 73 and 76 is threaded with piston rod 72, and use respectively and cap will go up, following platen 73 and 76 is positioned on the piston rod 72, spring seat 75 is shelved on right piston cavity and is positioned at, on at the bottom of the hole between the following platen 73 and 76, the two ends of described spring 74 are pressed on respectively on spring seat 75 and the last platen 73, seal ring on the piston 71, seal ring on the last platen 73, seal ring on seal ring under the spring seat 75 and the following platen 76 is divided into upper right chamber 51 with right piston cavity, right lumen 52 and chamber, bottom right 53, wherein: upper right chamber 51 is connected with total in-line 34, and chamber, bottom right 53 is connected with total oil circuit 35; It is the control oil channel 40 and 50 that the inlet of oil inlet passage 11 and oil inlet passage 21 is communicated with the total in-line 34 and the filler opening of two solenoid valves 1 and 2 that commutation also is provided with two in the body, two solenoid valves 1 and 2 oil outlet be oil discharge passage 14 and 24 outlet respectively with a left side, the open top of right piston cavity is connected, also be provided with in the described commutation body and be communicated with left oil back chamber 55 and the commutation passage 36 of left lumen 42 and the commutation passage 37 that is communicated with right oil back chamber 45 and right lumen 52, two all outside openings of commutation passage 36 and 37, form commutation mouthful A and B, the bottom of right oil back chamber 45 is connected by the bottom opening of drainback passage 46 with the left piston chamber, and the bottom of left oil back chamber 55 is connected with the bottom opening of right piston cavity by drainback passage 56; Be respectively arranged with other oil circuit 15 and 25 in the solenoid valve 1 and 2, be provided with oily passage 44 in side and the other oily passage 54 that communicates with total oil circuit 35 in the commutation body, the inlet of other oily passage 44 is connected with the outlet of other oil circuit 15 by oil circuit joint 8 and other oil pipe 4, and the inlet of other oily passage 54 is connected with the outlet of other oil circuit 25 by oil circuit joint 9 and other oil pipe 5.In the present embodiment, be communicated with the passage in total in-line 34 and upper left chamber 41 and upper right chamber 51, passage and the drainback passage 46 and 56 that is communicated with total oil circuit 35 and chamber, lower-left 43 all leaves the technology mouth, each technology mouth all is provided with sealing plug screw 38 by screw thread---referring to shown in Figure 3; Be communicated with total oil circuit 35 and use other oily passage 54 with the passage in chamber, bottom right 53; Solenoid valve 1 links to each other with an end of elastic cable paper with 7 by cable joining 6 with 2 supply terminals, and the other end of elastic cable paper links to each other with the control gear of control electromagnetic valve 1 with 2 break-makes.
Working principle of the present utility model is: as Fig. 5, shown in Figure 6, when all not powering up in solenoid valve 1 and 2, whole diverter valve imoperative, left sealing plug 16 in the solenoid valve 1 is under the effect of spring 13, block the outlet of oil inlet passage 11, left sealing plug 26 in the solenoid valve 2 is blocked the outlet of oil inlet passage 21 under the effect of spring 23.During actual the manufacturing, spring 13 and 23 elasticity are moderate, should look after the normal of corresponding spool 12 or 22 and move, and look after the outlet that the left sealing plug 16 and 26 on spool 12 and 22 can be blocked corresponding oil inlet passage 11 and 21 again.Here, oil circuit with solenoid valve 1 and control thereof is that example is described its working procedure: when solenoid valve 1 is not worked, because the elastic fatigue or the other reasons of spring 13 cause the elasticity deficiency, cause the outlet of oil inlet passage 11 not seal fully, there is a small amount of leakage of oil, leakage of oil is back in total oil circuit 35 along bypass channel 15, other oil pipe 4 and other oily passage 44, is finally flowed out by refluxing opening T, is back in the fuel tank through outside reflow pipe; When solenoid valve 1 powers up, as shown in Figure 4, solenoid valve 1 adhesive, spool 12 holddown spring 13 displacements to the right in the solenoid valve 1, make the right sealing plug 17 in the spool 12 block the oily approach that is back to fuel tank by other oil circuit 15, increased the flow that oil is entered by oil inlet passage 11 simultaneously, flow increases, make the pressure in the oil discharge passage 14 increase suddenly, promote piston 61 in the left piston chamber with on piston rod 62 and the piston rod 62, following platen 63 and 66 is downwards toward moving, make upper left chamber 41 and left lumen 42 connect, chamber, lower-left 43 is connected with drainback passage 46, oil in the fuel tank enters into total in-line 34 through oil inlet P, and by total in-line 34 process upper left chamber 41, left side lumen 42 enters into commutation passage 36, and enter into the filler opening of the oil motor that will drive by the commutation mouth A of commutation passage 36, then, oil in the return opening of oil motor enters into right refluxing chamber 45 through a commutation mouthful B, flow in the chamber, lower-left 43 by drainback passage 46, flow in total oil circuit 35 by chamber, lower-left 43 again, flow back in the fuel tank by oil return inlet T at last.This is that oil is by mouthful A output that commutates, by mouthful working procedure of B backflow that commutates, commutate as needs, the flow direction that is about to oil becomes: by commutation mouthful B output, when being refluxed by commutation mouthful A, at first to close solenoid valve 1, at this moment, oil in the oil discharge passage 14 is released along bypass channel 15, other oil pipe 4 and other oily passage 44 in total oil circuit 35, finally flow out by refluxing opening T, be back in the fuel tank through outside reflow pipe, thereby allow the oil pressure in the fuel-displaced passage 14 descend rapidly, guarantee that piston 61 resets rapidly under the effect of spring 64; Then, open solenoid valve 2, subsequent working procedure repeats no more.
Claims (3)
1. watertight electro-hydraulic reversing valve, comprise: the commutation body, it is characterized in that: the top of described commutation body is provided with two solenoid valves, be provided with total in-line in the commutation body, total oil circuit, two piston cavity and two oil back chambers, total outside opening of in-line, form filler opening, total outside opening of oil circuit, form return opening, be provided with piston and the piston rod that links to each other with piston in each piston cavity, upper cover of piston rod is equipped with, following platen and spring and spring seat, spring seat is shelved on, on at the bottom of the hole between the following platen, the two ends of spring are pressed on respectively on spring seat and the last platen, seal ring on the piston, seal ring on the last platen, seal ring on seal ring under the spring seat and the following platen is divided into epicoele with piston cavity, lumen and cavity of resorption, wherein: epicoele communicates with total in-line, and cavity of resorption communicates with total oil circuit; Also be provided with two control oil channel that total in-line is communicated with the filler opening of two solenoid valves in the commutation body, the oil outlet of two solenoid valves communicates with the open top of two piston cavity respectively, also be provided with two commutation passages that are communicated with corresponding oil back chamber and lumen in the commutation body, two commutation passages all outwards opening, form two commutations mouthful, the bottom of each oil back chamber communicates by the bottom opening of drainback passage with the respective pistons chamber; Be provided with other oil circuit in each solenoid valve, also be provided with the oily passage in side that communicates with total oil circuit in the described commutation body, the inlet of other oily passage is connected with the outlet of other oil circuit by other oil pipe.
2. watertight electro-hydraulic reversing valve as claimed in claim 1 is characterized in that: described commutation body is the multilayer split-type structural.
3. watertight electro-hydraulic reversing valve as claimed in claim 2 is characterized in that: described commutation body by last slice, middle sheet and following sheet constitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200376777U CN201368075Y (en) | 2009-01-08 | 2009-01-08 | Watertight electro-hydraulic directional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200376777U CN201368075Y (en) | 2009-01-08 | 2009-01-08 | Watertight electro-hydraulic directional valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201368075Y true CN201368075Y (en) | 2009-12-23 |
Family
ID=41486968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200376777U Expired - Fee Related CN201368075Y (en) | 2009-01-08 | 2009-01-08 | Watertight electro-hydraulic directional valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201368075Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005897A (en) * | 2018-01-04 | 2019-07-12 | 青岛海尔施特劳斯水设备有限公司 | Antidrip water lines and water purifier |
-
2009
- 2009-01-08 CN CNU2009200376777U patent/CN201368075Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005897A (en) * | 2018-01-04 | 2019-07-12 | 青岛海尔施特劳斯水设备有限公司 | Antidrip water lines and water purifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091223 Termination date: 20120108 |