CN211778294U - Electromagnetic valve, hydraulic system and engineering machinery - Google Patents
Electromagnetic valve, hydraulic system and engineering machinery Download PDFInfo
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- CN211778294U CN211778294U CN202020186388.XU CN202020186388U CN211778294U CN 211778294 U CN211778294 U CN 211778294U CN 202020186388 U CN202020186388 U CN 202020186388U CN 211778294 U CN211778294 U CN 211778294U
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- valve
- valve block
- oil port
- block
- solenoid
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Abstract
The utility model provides an electromagnetic valve, which comprises a first valve block and a second valve block which are detachably and fixedly connected together, wherein the first valve block and the second valve block are communicated through a pipeline; the first valve block is also internally provided with a plurality of oil ports and a valve core capable of moving in the first valve block, one end of the first valve block is also provided with a joint, and the other end of the first valve block is also provided with a coil; and a plurality of one-way valves are also arranged in the second valve block. The solenoid valve of this structure specifically includes two six solenoid directional valves and is in the same place with a hydraulic pressure lock stack, has changed the mode that traditional solenoid valve and hydraulic pressure lock separately set up, has reduced the whole volume of solenoid valve, makes its occupation space littleer, the structure is more compact, the degree of integrating is higher, and manufacturing cost and use cost are lower. On the other hand, the utility model discloses still provide a hydraulic system and engineering machine tool including above-mentioned solenoid valve.
Description
Technical Field
The utility model relates to a hydraulic pressure field, in particular to solenoid valve, hydraulic system and engineering machine tool.
Background
Solenoid valves are industrial devices that are controlled electromagnetically, and are the basic elements of automation for controlling fluids. The hydraulic lock is mainly used for locking a hydraulic loop and preventing liquid from forming the loop. With the development of science and technology, various types of solenoid valves and various types of hydraulic locks are widely applied to various hydraulic systems and engineering machinery, and the solenoid valves and the hydraulic locks are often used together.
However, the solenoid valve and the hydraulic lock which are used at present are mainly used independently, and in the using process, the problems of large occupied space, not compact enough structure and low integration degree exist, and then the problems of higher production cost and higher using cost are caused.
In summary, how to provide an electromagnetic valve with small occupied space, more compact structure, high integration degree and low use cost, and a hydraulic system and an engineering machine including the electromagnetic valve, have become technical problems that the skilled person needs to solve urgently.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the electromagnetic valve has the advantages of small occupied space, more compact structure, high integration degree and low use cost, and the hydraulic system and the engineering machinery comprising the electromagnetic valve.
The utility model discloses a solution is realized like this: the utility model provides an electromagnetic valve, which comprises a first valve block and a second valve block which are detachably and fixedly connected together, wherein the first valve block and the second valve block are communicated through a pipeline; the first valve block is also internally provided with a plurality of oil ports and a valve core capable of moving in the first valve block, one end of the first valve block is also provided with a joint, and the other end of the first valve block is also provided with a coil; and a plurality of one-way valves are also arranged in the second valve block. The solenoid valve of this structure specifically includes two six solenoid directional valves and is in the same place with a hydraulic pressure lock stack, has changed the mode that traditional solenoid valve and hydraulic pressure lock separately set up, has reduced the whole volume of solenoid valve, makes its occupation space littleer, the structure is more compact, the degree of integrating is higher, and manufacturing cost and use cost are lower.
The utility model discloses an another technical scheme lies in on above-mentioned basis, be equipped with a plurality of connecting hole, every on first valve piece and the second valve piece respectively all be equipped with the connecting piece in the connecting hole.
The utility model discloses a another technical scheme lies in on above-mentioned basis, the one end of first valve piece is equipped with magnetron and coil, when the coil circular telegram under the effect of magnetron, the case is in remove in the first valve piece.
Another technical scheme of the utility model lies in on above-mentioned basis, the one end of case is equipped with the spring, the spring housing is located on the case, just the spring can drive the case removes.
The utility model discloses an another technical scheme lies in on above-mentioned basis, the other end of first valve piece is equipped with the joint, the spring set up in first valve piece and the joint, the tip that connects still is equipped with the T hydraulic fluid port that is used for the spring pressure release.
Another technical scheme of the utility model lies in on the above-mentioned basis, the check valve is including relative first check valve and the second check valve that sets up, the control lever of still establishing between first check valve and the second check valve, just the control lever can be in the removal of second valve piece, when the second valve piece removes, promote first check valve or the removal of second check valve.
The other technical scheme of the utility model lies in that on the basis, the oil port on the first valve block comprises a P1 oil port, an A1 oil port, a P2 oil port and an A2 oil port which are arranged in sequence; the oil ports on the second valve block comprise an oil port B1 and an oil port B2, and the oil port A1 and the oil port A2 can be respectively communicated with the oil port P1 and the oil port P2, or; the B1 oil port and the B2 oil port can be respectively communicated with the P1 oil port and the P2 oil port.
Another technical solution of the present invention is that on the basis of the above, a first sealing ring is further disposed between the joint and the first valve block; a plurality of second sealing rings are further arranged between the first valve block and the second valve block; and a third sealing ring is arranged between the control rod and the second valve block.
On the other hand, the utility model also provides a hydraulic system, including the solenoid valve, the solenoid valve is as above the solenoid valve.
Finally, the utility model also provides an engineering machine tool, including the solenoid valve, the solenoid valve is as above the 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 structural view of a solenoid valve according to the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic diagram of the operation of FIG. 1;
fig. 4 is another operational schematic diagram of fig. 1.
The corresponding relation of the reference signs is as follows:
1 magnetic tube 2 coil 3 valve core
4 first valve block 5 first seal ring 6 joint
7 spring 8 first check valve 9 control rod
10 second valve block 11 second sealing ring 12 second one-way valve
13 third seal ring
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 present invention is as follows, please refer to the solenoid valve shown in fig. 1 to fig. 4 and the working principle thereof, the first valve block 4 and the second valve block 10 fixed together in the solenoid valve in a detachable manner are specifically fixed, and the first valve block 4 and the second valve block 10 are communicated with each other through a pipeline. More specifically, a plurality of oil ports are formed in the first valve block 4, a movable valve core 3 is arranged in the first valve block 4, a joint 6 is further arranged at one end, namely the left end shown in the drawing, of the first valve block 4, a coil 2 is further arranged at the other end, namely the right end shown in the drawing, of the second valve block 10, and when the coil is powered on or powered off, the valve core 3 moves in the first valve block 4. A number of non-return valves are also provided in the second valve block 10. The solenoid valve of this structure specifically includes two six solenoid directional valves and is in the same place with a hydraulic pressure lock stack, has changed the mode that traditional solenoid valve and hydraulic pressure lock separately set up, has reduced the whole volume of solenoid valve, makes its occupation space littleer, the structure is more compact, the degree of integrating is higher, and manufacturing cost and use cost are lower.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1, a plurality of connecting holes are further disposed on the first valve block 4 and the second valve block 10, and a connecting member is disposed in each connecting hole to connect the first valve block 4 and the second valve block 10 together through the connecting member. For the connection holes, screw holes are preferred, and for the connection members, bolts or screws are preferred.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 and fig. 2, one end of the first valve block 4, i.e. the right end shown in the figure, is further provided with the magnetic tube 1 and the coil 2, when the coil 2 is energized, the magnetic tube 1 generates suction, and under the effect of the magnetic tube 1, the valve core 3 can be driven to move in the first valve block 4.
On the basis of the above-mentioned embodiment, in the utility model discloses in another embodiment, as shown in fig. 1 and fig. 2, the other end of case 3, the left end shown in the picture still is equipped with spring 7 promptly, and the concrete cover of spring 7 is equipped with the left end of case 3, and spring 7 specifically sets up in first valve piece 4 and joint 6, and spring 7 specifically is reset spring 7, and after the outage of coil 2, under spring 7's effect, case 3 in time resets.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 2, the other end of the first valve block 4, i.e. the left end shown in the figure, is provided with the joint 6, the spring 7 is disposed in the first valve block 4 and the joint 6, more specifically, the left end of the spring 7 is fixedly disposed on the joint 6, and the right end of the spring 7 is fixedly connected with the left end of the valve core 3. It should be noted that, in other embodiments, a T oil port may be further disposed in the joint 6 or at an end of the joint 6 as needed, and the T oil port is specifically a spring relief oil port.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 2 to fig. 4, the check valve specifically includes a first check valve 8 and a second check valve 12 which are oppositely disposed, and a control rod 9 is further disposed between the first check valve 8 and the second check valve 12, and the control rod 9 is movable in the second valve block 10, and when the control rod 9 moves to the left, the valve element 3 of the first check valve 8 is driven to move. And when the control rod 9 moves rightwards, the valve core of the second one-way valve 12 is driven to move. Also, one end of each of the first check valve 8 and the second check valve 12 is provided with an elastic member, such as a spring, for return.
On the basis of the above-mentioned embodiment, in the utility model discloses in another embodiment, as shown in fig. 2 to fig. 4, be equipped with the P1 hydraulic fluid port from a left side to the right side respectively on the first valve block 4, the A1 hydraulic fluid port, the P2 hydraulic fluid port and the A2 hydraulic fluid port, the P1 hydraulic fluid port, the A1 hydraulic fluid port, the P2 hydraulic fluid port and the A2 hydraulic fluid port all communicate with case 3. The second valve block 10 is provided with a B1 oil port and a B2 oil port, and under the action of the first check valve 8 and/or the second check valve 12, the a1 oil port and the a2 oil port can be respectively communicated with the P1 oil port and the P2 oil port. Alternatively, the B1 oil port and the B2 oil port may be respectively communicated with the P1 oil port and the P2 oil port. Thereby realizing different functions and playing a predetermined role.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 2, a first sealing ring 5 is further disposed between the joint 6 and the first valve block 4 for preventing leakage. Similarly, a plurality of second sealing rings 11 are arranged on the contact surface of the first valve block 4 and the second valve block 10. A third seal ring 13 is provided between the control rod 9 and the second valve block 10, and the shape and structure of the first seal ring 5, the second seal ring 11, and the third seal ring 13 are not particularly limited.
The solenoid valve of above-mentioned structure, as mentioned before, because solenoid valve and hydraulic pressure lock stack setting to together fixed, and realized inside intercommunication, consequently, practiced thrift the pipeline setting, occupation space is littleer, the structure is more compact, the degree of integration is higher, manufacturing cost and use cost are lower.
On the other hand, the utility model also provides a hydraulic system, hydraulic system include the solenoid valve, the solenoid valve specifically is as above the solenoid valve.
Finally, the utility model also provides an engineering machine tool, including the solenoid valve, the solenoid valve specifically is as above the solenoid valve.
The hydraulic system and the engineering machinery with the structure have the advantages of the electromagnetic valve correspondingly.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A solenoid valve, characterized by comprising a first valve block (4) and a second valve block (10) which are fixedly connected together in a detachable manner, wherein the first valve block (4) and the second valve block (10) are communicated through a pipeline;
a plurality of oil ports and a valve core (3) which can move in the first valve block (4) are also arranged in the first valve block (4), one end of the first valve block (4) is also provided with a joint (6), and the other end of the first valve block is also provided with a coil (2);
and a plurality of one-way valves are also arranged in the second valve block (10).
2. The electromagnetic valve according to claim 1, characterized in that the first valve block (4) and the second valve block (10) are respectively provided with a plurality of connecting holes, and each connecting hole is internally provided with a connecting piece.
3. The electromagnetic valve according to claim 2, characterized in that one end of the first valve block (4) is provided with a magnet tube (1) and a coil (2), and when the coil (2) is energized, the valve core (3) moves in the first valve block (4) under the action of the magnet tube (1).
4. The electromagnetic valve according to claim 3, characterized in that a spring (7) is arranged at one end of the valve core (3), the spring (7) is sleeved on the valve core (3), and the spring (7) can drive the valve core (3) to move.
5. The electromagnetic valve according to claim 4, characterized in that the other end of the first valve block (4) is provided with a joint (6), the spring (7) is arranged in the first valve block (4) and the joint (6), and the end of the joint (6) is further provided with a T oil port for relieving pressure of the spring (7).
6. The electromagnetic valve according to claim 5, characterized in that the check valve comprises a first check valve (8) and a second check valve (12) which are oppositely arranged, a control rod (9) is further arranged between the first check valve (8) and the second check valve (12), the control rod (9) can move in a second valve block (10), and when the second valve block (10) moves, a valve core of the first check valve (8) or the second check valve (12) is pushed to move.
7. The electromagnetic valve according to claim 6, characterized in that the oil ports on the first valve block (4) comprise a P1 oil port, an A1 oil port, a P2 oil port and an A2 oil port which are arranged in sequence;
the oil ports on the second valve block (10) comprise a B1 oil port and a B2 oil port, and the A1 oil port and the A2 oil port can be respectively communicated with the P1 oil port and the P2 oil port, or;
the B1 oil port and the B2 oil port can be respectively communicated with the P1 oil port and the P2 oil port.
8. A solenoid valve according to claim 7, characterized in that a first sealing ring (5) is also arranged between the joint (6) and the first valve block (4);
a plurality of second sealing rings (11) are arranged between the first valve block (4) and the second valve block (10);
and a third sealing ring (13) is arranged between the control rod (9) and the second valve block (10).
9. A hydraulic system comprising a solenoid valve, characterized in that it is a solenoid valve according to any one of claims 1 to 8.
10. A working machine comprising a solenoid valve, characterized in that the solenoid valve is according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020186388.XU CN211778294U (en) | 2020-02-19 | 2020-02-19 | Electromagnetic valve, hydraulic system and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020186388.XU CN211778294U (en) | 2020-02-19 | 2020-02-19 | Electromagnetic valve, hydraulic system and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211778294U true CN211778294U (en) | 2020-10-27 |
Family
ID=72909138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020186388.XU Active CN211778294U (en) | 2020-02-19 | 2020-02-19 | Electromagnetic valve, hydraulic system and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211778294U (en) |
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2020
- 2020-02-19 CN CN202020186388.XU patent/CN211778294U/en active Active
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