CN210859393U - Superposition electromagnetic valve and hydraulic machine - Google Patents
Superposition electromagnetic valve and hydraulic machine Download PDFInfo
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- CN210859393U CN210859393U CN201921760755.6U CN201921760755U CN210859393U CN 210859393 U CN210859393 U CN 210859393U CN 201921760755 U CN201921760755 U CN 201921760755U CN 210859393 U CN210859393 U CN 210859393U
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Abstract
The utility model provides a stack solenoid valve, include the valve body and set up in the coil at valve body both ends, be equipped with mobilizable case in the valve body, the both ends of case are equipped with the first spring chamber and the second spring chamber of intercommunication respectively, be equipped with the oil feed chamber on the valve body, return oil chamber and a plurality of working chamber, the valve body includes that a plurality of can superpose the valve block together. According to the superposition electromagnetic valve with the structure, the first spring cavity and the second spring cavity at the two ends of the valve core are communicated, so that when a coil does not obtain an electric signal, pressure difference between the first spring cavity and the second spring cavity can be effectively avoided, and the superposition electromagnetic valve is kept at a middle position. Simultaneously, because the valve body itself includes the valve piece that a plurality of can superpose together, consequently, can make up as required to realize different functions, satisfy different customer demands, make its range of application wider. Furthermore, the utility model discloses still provide a hydraulic machine including above-mentioned stack solenoid valve.
Description
Technical Field
The utility model relates to a hydraulic pressure machinery, in particular to stack solenoid valve and hydraulic pressure machinery.
Background
The electromagnetic valve is used as an automatic basic flow member for controlling fluid, has high control precision and better flexibility, is widely applied to various industrial equipment at present, such as various large-scale engineering machinery like cranes, road rollers and the like, has different functions in a control system, and is mainly used for adjusting the flow direction of a medium, controlling the flow rate and the flow velocity of the medium and the like.
At present, various solenoid valves for hydraulic oil, such as plate solenoid valve, cartridge formula solenoid valve, flange joint formula solenoid valve etc. the application is comparatively ripe, nevertheless to hydrovalve direct use, does not need the valve class of erection joint board, and the function selection is complete, can ally oneself with superimposed hydrovalve field more, no matter at present in the research field, still just begin the start in the application field.
In summary, how to provide a superposition solenoid valve which has a wide flow range, can be randomly superposed according to the functional requirements of customers, and can be applied to more hydraulic devices, and a hydraulic machine comprising the superposition solenoid valve, have become technical problems that need to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the superposition electromagnetic valve is wide in flow range, can be randomly superposed according to the function requirements of customers, and can be applied to more hydraulic equipment, and the hydraulic machine comprising the superposition electromagnetic valve is provided.
The utility model discloses a solution is realized like this: the utility model provides a stack solenoid valve, include the valve body and set up in the coil at valve body both ends, be equipped with mobilizable case in the valve body, the both ends of case are equipped with the first spring chamber and the second spring chamber of intercommunication respectively, be equipped with the oil feed chamber on the valve body, return oil chamber and a plurality of working chamber, the valve body includes that a plurality of can superpose the valve block together. According to the superposition electromagnetic valve with the structure, the first spring cavity and the second spring cavity at the two ends of the valve core are communicated, so that when a coil does not obtain an electric signal, pressure difference between the first spring cavity and the second spring cavity can be effectively avoided, and the superposition electromagnetic valve is kept at a middle position. Simultaneously, because the valve body itself includes the valve piece that a plurality of can superpose together, consequently, can make up as required to realize different functions, satisfy different customer demands, make its range of application wider.
The utility model discloses an another technical scheme lies in on above-mentioned basis, the connection chamber has been seted up at the case middle part, the one end of connecting the chamber with first spring chamber intercommunication, the other end with second spring chamber intercommunication.
The utility model discloses an another technical scheme lies in on the basis of the aforesaid, the connection chamber has been seted up on the valve body, the one end of connecting the chamber with first spring chamber intercommunication, the other end with second spring chamber intercommunication.
The utility model discloses a another technical scheme lies in on above-mentioned basis, still be equipped with a plurality of connecting hole on the valve piece, its quantity is 2 to 4.
The utility model discloses an another technical scheme lies in on above-mentioned basis, the connecting hole is the screw, be equipped with the bolt that links together two upper and lower valve blocks in the screw, the quantity of connecting hole is 3.
The utility model discloses a another technical scheme lies in on the basis, the working chamber includes first working chamber and second working chamber at least, the one end of first working chamber and second working chamber communicates with the case respectively, and the accessible the case provides the power supply.
The utility model discloses a another technical scheme lies in on the above-mentioned basis, it includes first time oil pocket and second time oil pocket to return the oil pocket, first time oil pocket is arranged in between first spring chamber and the first working chamber, the second time oil pocket is arranged in between second spring chamber and the second working chamber.
The utility model discloses a another technical scheme lies in on the above-mentioned basis, first oil return chamber with still be equipped with first circular bead between the first spring chamber, the second oil return chamber with still be equipped with the second circular bead between the second spring chamber, the top of first circular bead and second circular bead support respectively hold in on the case.
The other technical scheme of the utility model is that on the basis, the oil inlet cavity is arranged between the first working cavity and the second working cavity; the superposition electromagnetic valve is a three-position four-way electromagnetic reversing valve.
On the other hand, the utility model also provides a hydraulic machine, including the stack solenoid valve, the stack solenoid valve is as above arbitrary the stack solenoid valve.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
Fig. 1 is a schematic sectional view of a stacked solenoid valve according to the present invention;
FIG. 2 is a schematic cross-sectional view of another stacked solenoid valve;
FIG. 3 is a schematic cross-sectional view of the solenoid valve of FIG. 1 from another perspective;
FIG. 4 is a schematic diagram of the operation of the solenoid valve
The corresponding relation of the reference signs is as follows:
1 coil 2 spring 3 push rod
4 gasket 5 valve core 6 valve body
7 first spring chamber 8 first oil return chamber 9 first working chamber
10 oil inlet cavity 11 second working cavity 12 second oil return cavity
13 second spring chamber 14 connecting bore 15 connecting chamber
16 tail piece 17 first piece 18 first shoulder
19 second shoulder
Detailed Description
The present invention will be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
The embodiment of the utility model provides a as follows, please refer to the stack solenoid valve shown in fig. 1 to fig. 4 for on various hydraulic pressure machinery and hydraulic equipment, it specifically includes valve body 6 and sets up in the coil 1 at 6 both ends of valve body, be equipped with the case 5 that can remove about in valve body 6 in the valve body 6, the both ends of case 5 are equipped with first spring chamber 7 and the second spring chamber 13 that is the connected state respectively, still be equipped with oil feed chamber 10 simultaneously on the valve body 6, return oil chamber and a plurality of working chamber, valve body 6 then includes a plurality of valve piece, and a plurality of valve piece can superpose together. According to the superposition electromagnetic valve with the structure, the first spring cavity 7 and the second spring cavity 13 at the two ends of the valve core 5 are communicated, so that when the coil 1 does not obtain an electric signal, pressure difference between the first spring cavity 7 and the second spring cavity 13 can be effectively avoided, and the superposition electromagnetic valve is kept at a neutral position. Simultaneously, because valve body 6 itself includes the valve piece that a plurality of can superpose together, consequently, can make up as required to realize different functions, satisfy different customer demands, make its range of application wider.
On the basis of the above-mentioned embodiment, in the utility model discloses in another embodiment, as shown in fig. 1, case 5 middle part still is equipped with connects chamber 15, connect the one end of chamber 15, left end shown in the figure communicates with first spring chamber 7 promptly, connect the other end of chamber 15, right-hand member shown in the figure communicates with second spring chamber 13 promptly, first spring chamber 7 communicates through connecting chamber 15 with second spring chamber 13 promptly, all be equipped with push rod 3 in first spring chamber 7 and the second spring chamber 13, the cover is equipped with spring 2 on the push rod 3, still be equipped with gasket 4 between first spring chamber 7 and second spring chamber 13 and the case 5 respectively. When the coil 1 is not electrified, because the first spring cavity 7 and the second spring cavity 13 are in a communication state, the pressure difference between the first spring cavity 7 and the second spring cavity 13 can be eliminated, and the valve core 5 is in a neutral state under the action of the spring 2 in the first spring cavity 7 and the second spring cavity 13.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 2, the valve body 6 is further provided with a connecting cavity 15, the right end of the connecting cavity 15 is communicated with the first spring cavity 7, and the other end of the connecting cavity 15 is communicated with the second spring cavity 13, compared with the embodiment shown in fig. 1, the opening position of the connecting cavity 15 is shifted from the valve core 5 to the valve body 6, and the structural shape of the connecting cavity 15 and other opening modes are not specifically defined herein.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 and fig. 2, a plurality of connecting holes 14 are further formed on the valve block and the valve core 5, the number of the connecting holes is between 2 and 4, and the upper and lower valve blocks can be detachably and fixedly connected together through the connecting holes 14.
On the basis of the above embodiment, in another embodiment of the present invention, the connection holes 14 are preferably screw holes, the screw holes are provided with connection members such as bolts, and the number of the connection holes 14 is preferably 3. The opening position of the connection hole 14 and the like are not particularly limited.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 and fig. 2, the working chamber at least includes a first working chamber 9 and a second working chamber 11, the first working chamber 9 and the second working chamber 11 are all set on the valve block, one end of the valve block is communicated with the valve core 5, and in the working process, the first working chamber 9 and the second working chamber 11 are used for being connected with the actuating mechanism of the hydraulic machine and providing a power source for the actuating machine.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 and fig. 2, to the oil return cavity, specifically include the first oil return cavity 8 and the second oil return cavity 12, the first oil return cavity 8 is disposed between the first spring cavity 7 and the first working cavity 9, and the second oil return cavity 12 is disposed between the second spring cavity 13 and the second working cavity 11.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 and fig. 2, the first oil returning cavity 8 and the first spring cavity 7 are further provided with a first shoulder 18 therebetween, the second oil returning cavity 12 and the second spring cavity 13 are further provided with a second shoulder 19 therebetween, the tops of the first shoulder 18 and the second shoulder 19 are respectively abutted to the valve element 5, i.e. the first oil returning cavity 8 and the first spring cavity 7 are separated by the first shoulder 18, and the second oil returning cavity 12 and the second spring cavity 13 are separated by the second shoulder 19, so as to avoid the pressure of the first oil returning cavity 8 and the second oil returning cavity 12 from affecting the first spring cavity 7 and the second spring cavity 13.
On the basis of the embodiment, the utility model discloses in another embodiment, as shown in fig. 1 and fig. 2, the quantity of oil feed chamber 10 is a plurality ofly, a plurality of oil feed chambers 10 set up respectively between first working chamber 9 and second working chamber 11, as shown in fig. 4, the stack solenoid valve specifically is tribit four-way electromagnetic directional valve, when 1 circular telegram of coil, oil feed chamber 10 begins the oil feed, during oil feed chamber 10 time oil, can promote case 5 and remove left side or right side to realize the left position work or the right position work of stack solenoid valve, and when coil 1 did not lead to the fact, the stack solenoid valve is in the meso position.
In addition, as shown in fig. 3, the superposition solenoid valve is further provided with a first piece 17 and a tail piece 16.
In the superposition solenoid valve with the structure, as described above, the first spring cavity 7 and the second spring cavity 13 at the two ends of the valve core 5 are communicated, so that when the coil 1 does not obtain an electric signal, pressure difference between the first spring cavity 7 and the second spring cavity 13 can be effectively avoided, and the superposition solenoid valve is kept at a neutral position. Simultaneously, because valve body 6 itself includes the valve piece that a plurality of can superpose together, consequently, can make up as required to realize different functions, satisfy different customer demands, make its range of application wider. In addition, a first shoulder 18 is further arranged between the first oil return cavity 8 and the first spring cavity 7, a second shoulder 19 is further arranged between the second oil return cavity 12 and the second spring cavity 13, the first oil return cavity 8 is separated from the first spring cavity 7 through the first shoulder 18, and the second oil return cavity 12 is separated from the second spring cavity 13 through the second shoulder 19, so that the pressure of the first oil return cavity 8 and the pressure of the second oil return cavity 12 are prevented from influencing the first spring cavity 7 and the second spring cavity 13.
On the other hand, the utility model also provides a hydraulic machine, including the stack solenoid valve, the stack solenoid valve is as above the stack solenoid valve, hydraulic machine specifically can any possible mechanical equipment.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a stack solenoid valve, its characterized in that includes valve body (6) and sets up in coil (1) at valve body (6) both ends, be equipped with mobilizable case (2) in valve body (6), the both ends of case (2) are equipped with first spring chamber (7) and second spring chamber (13) of intercommunication respectively, be equipped with oil feed chamber (10), time oil chamber and a plurality of working chamber on valve body (6), valve body (6) include a plurality of can superpose the valve block together.
2. The superposition electromagnetic valve according to claim 1, characterized in that a connecting cavity (15) is opened in the middle of the valve core (2), one end of the connecting cavity (15) is communicated with the first spring cavity (7), and the other end is communicated with the second spring cavity (13).
3. The superposition solenoid valve according to claim 1, characterised in that a connecting chamber (15) is provided on the valve body (6), one end of the connecting chamber (15) being in communication with the first spring chamber (7) and the other end being in communication with the second spring chamber (13).
4. A superposition electromagnetic valve according to claim 2 or 3, characterised in that said valve block is also provided with a plurality of connecting holes (14), the number of which is 2 to 4.
5. The superposition electromagnetic valve according to claim 4, wherein the connecting holes (14) are screw holes, bolts for connecting the upper and lower valve blocks are arranged in the screw holes, and the number of the connecting holes (14) is 3.
6. The superposition solenoid valve according to claim 5, characterised in that the working chambers comprise at least a first working chamber (9) and a second working chamber (11), one end of the first working chamber (9) and one end of the second working chamber (11) are respectively communicated with the spool (2) and can be provided with a power source through the spool (2).
7. The superposition solenoid valve according to claim 6, characterised in that the oil return chambers comprise a first oil return chamber (8) and a second oil return chamber (12), the first oil return chamber (8) being interposed between the first spring chamber (7) and the first working chamber (9), the second oil return chamber (12) being interposed between the second spring chamber (13) and the second working chamber (11).
8. The superposition electromagnetic valve according to claim 7, wherein a first shoulder (18) is further arranged between the first oil return chamber (8) and the first spring chamber (7), a second shoulder (19) is further arranged between the second oil return chamber (12) and the second spring chamber (13), and tops of the first shoulder (18) and the second shoulder (19) are respectively abutted against the valve core (2).
9. The superposition solenoid valve according to claim 7, characterised in that the oil inlet chamber (10) is arranged between the first working chamber (9) and the second working chamber (11);
the superposition electromagnetic valve is a three-position four-way electromagnetic reversing valve.
10. A hydraulic machine comprising a superposition solenoid valve, characterised in that it is a superposition solenoid valve according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921760755.6U CN210859393U (en) | 2019-10-18 | 2019-10-18 | Superposition electromagnetic valve and hydraulic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921760755.6U CN210859393U (en) | 2019-10-18 | 2019-10-18 | Superposition electromagnetic valve and hydraulic machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210859393U true CN210859393U (en) | 2020-06-26 |
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ID=71309002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921760755.6U Active CN210859393U (en) | 2019-10-18 | 2019-10-18 | Superposition electromagnetic valve and hydraulic machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN210859393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754174A (en) * | 2022-03-23 | 2022-07-15 | 浙江富杰德汽车系统有限公司 | Electromagnetic valve with engine oil recycling function |
-
2019
- 2019-10-18 CN CN201921760755.6U patent/CN210859393U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754174A (en) * | 2022-03-23 | 2022-07-15 | 浙江富杰德汽车系统有限公司 | Electromagnetic valve with engine oil recycling function |
| CN114754174B (en) * | 2022-03-23 | 2024-03-29 | 浙江富杰德汽车系统有限公司 | Electromagnetic valve with engine oil recovery function |
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