CN219911945U - Solenoid valve and hydraulic system - Google Patents
Solenoid valve and hydraulic system Download PDFInfo
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- CN219911945U CN219911945U CN202321131078.8U CN202321131078U CN219911945U CN 219911945 U CN219911945 U CN 219911945U CN 202321131078 U CN202321131078 U CN 202321131078U CN 219911945 U CN219911945 U CN 219911945U
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- valve core
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- 238000007789 sealing Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model provides an electromagnetic valve, which comprises a valve block, wherein an inner cavity is arranged in the valve block, a movable valve core is arranged in the inner cavity, a plurality of oil grooves are sequentially formed in the inner cavity, and two ends of the valve core are respectively provided with a pipe cavity and a spring cavity; the valve block is further provided with a first through hole and a second through hole, two ends of the first through hole are respectively communicated with a first oil groove and a last oil groove in the plurality of oil grooves, and two ends of the second through hole are respectively communicated with the tube cavity and the spring cavity. The electromagnetic valve with the structure can be a two-position eight-way electromagnetic valve by arranging a plurality of oil grooves on the inner cavity of the valve block. The first oil groove and the last oil groove can be communicated through the first through hole in the valve block. Through the second through holes, the pressures at the left end and the right end of the valve core are equal, so that the normal movement of the valve core is ensured, and the valve core cannot be blocked. The device has the advantages of compact structure, low failure rate, good stability and the like. In addition, the utility model also provides a hydraulic system.
Description
Technical Field
The utility model relates to the field of hydraulic pressure, in particular to an electromagnetic valve and a hydraulic system.
Background
In recent years, with the continuous development of technology, engineering machines of various structures have been increasingly used in engineering construction.
The electromagnetic valve belongs to an executive device, is an industrial device controlled by electromagnetic, is an automatic basic element for controlling fluid, and is used for adjusting the direction, flow, speed and the like of a medium in an industrial control system. Currently, various large tonnage and high horsepower engineering machines are not separated from a hydraulic system, and electromagnetic valves are indispensable components in various hydraulic systems. The electromagnetic valve with the existing structure has the problems of relatively complex structure, high failure rate and poor stability
In summary, how to provide a solenoid valve with simple and compact structure, low failure rate and good stability, and a hydraulic system including the solenoid valve, which are technical problems to be solved by those skilled in the art.
Disclosure of Invention
The utility model aims to solve the technical problems that: the electromagnetic valve is simple and compact in structure, low in failure rate and good in stability, and the hydraulic system comprising the electromagnetic valve is provided.
The solution of the utility model is realized as follows: the utility model provides an electromagnetic valve, which comprises a valve block, wherein an inner cavity is arranged in the valve block, a movable valve core is arranged in the inner cavity, a plurality of oil grooves are sequentially formed in the inner cavity, and two ends of the valve core are respectively provided with a pipe cavity and a spring cavity; the valve block is further provided with a first through hole and a second through hole, two ends of the first through hole are respectively communicated with a first oil groove and a last oil groove in the plurality of oil grooves, and two ends of the second through hole are respectively communicated with the tube cavity and the spring cavity. The electromagnetic valve with the structure can be a two-position eight-way electromagnetic valve by arranging a plurality of oil grooves on the inner cavity of the valve block. The first oil groove and the last oil groove are communicated through the first through hole formed in the valve block. Through set up the second through-hole on the valve piece, can make the left and right sides both ends pressure of case equal, guarantee the normal movement of case, can not be blocked. Compared with the electromagnetic valve with the existing structure, the electromagnetic valve has the advantages of compact structure, low failure rate, good stability and the like.
The other technical scheme of the utility model is that on the basis of the above, the number of the oil tanks is 9, and the electromagnetic valve is a two-position eight-power-on reversing valve.
The other technical scheme of the utility model is that on the basis of the above, one end of the valve block is also provided with a coil, a movable magnetic conduction pipe is arranged in the coil, and the periphery of the magnetic conduction pipe is also provided with a nut.
The other technical scheme of the utility model is that on the basis of the above, a push rod is further arranged at one end of the magnetic conduction pipe, which is close to the valve core, and one end of the push rod is propped against the valve core and can push the valve core to move.
The other technical scheme of the utility model is that on the basis of the above, one end of the magnetic conduction pipe, which is far away from the valve core, is also provided with a screw with an adjusting function, and when the screw is rotated, the magnetic conduction pipe and the push rod can be driven to move.
The other technical scheme of the utility model is that on the basis of the above, the first through hole and the second through hole are respectively arranged on two sides of the valve core, and the central lines of the first through hole and the second through hole are respectively parallel to the central line of the valve core.
The other technical scheme of the utility model is that on the basis of the above, one end of the valve block, which is far away from the coil, is also provided with a plug, and the plug is detachably and fixedly arranged at the end part of the valve block.
The other technical scheme of the utility model is that on the basis of the above, a spring is also arranged in the spring cavity, one end of the spring is propped against one end of the valve core, and the other end of the spring is propped against the plug.
The other technical scheme of the utility model is that on the basis of the above, the valve block is also provided with a plurality of blocking blocks for blocking the oil duct, a first sealing ring is also arranged between the plug and the valve block, and the periphery of the screw is also provided with a second sealing ring.
On the other hand, the utility model also provides a hydraulic system which comprises the electromagnetic valve, wherein the electromagnetic valve is the electromagnetic valve.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic view of the internal structure of a solenoid valve according to the present utility model;
FIG. 2 is a schematic view of the internal structure of a solenoid valve according to the present utility model;
fig. 3 is a schematic diagram of a solenoid valve according to the present utility model.
The reference sign correspondence is:
1 valve block 2 valve core 3 spring
4 first sealing ring 5 plug 6 magnetic conduction pipe
7 coil 8 nut 9 second sealing ring
First through hole of 10 screw 11 spring cavity 12
13 lumen 14 second through hole 15 push rod
16 blocks
Detailed Description
The following detailed description of the utility model, taken in conjunction with the accompanying drawings, is given by way of illustration and explanation only, and should not be taken as limiting the scope of the utility model in any way. Furthermore, the features in the embodiments and in the different embodiments in this document can be combined accordingly by a person skilled in the art from the description of this document.
The electromagnetic valve shown in fig. 1 to 3 specifically includes a valve block 1, an inner cavity is provided in the valve block 1, a movable valve core 2 is provided in the inner cavity, a plurality of oil grooves are sequentially provided on the inner cavity, the oil grooves specifically include a first oil groove, two ends of the valve core 2 are respectively provided with a pipe cavity 13 and a spring cavity 11, the valve block 1 is further provided with a first through hole 12 and a second through hole 14, two ends of the first through hole 12 are respectively communicated with a first oil groove and a last oil groove of the plurality of oil grooves, and two ends of the second through hole 14 are respectively communicated with the pipe cavity 13 and the spring cavity 11. The electromagnetic valve with the structure can be a two-position eight-way electromagnetic valve by arranging a plurality of oil grooves on the inner cavity of the valve block 1. The first oil groove and the last oil groove can be communicated by forming the first through hole 12 on the valve block 1. By forming the second through hole 14 on the valve block 1, the pressures at the left end and the right end of the valve core 2 are equal, so that the normal movement of the valve core 2 is ensured, and the valve core cannot be blocked. Compared with the electromagnetic valve with the existing structure, the electromagnetic valve has the advantages of compact structure, low failure rate, good stability and the like.
In another embodiment of the present utility model, as shown in fig. 1 to 3, the number of the oil grooves is 9, and the oil grooves are respectively an a oil port, a B oil port, a C oil port, a D oil port, an A1 oil port, a B1 oil port, a C1 oil port and a D1 oil port, wherein the number of the D1 oil ports is two, and when the electromagnetic valve works in the left position, the a oil port can be communicated with the D1 oil port to form a two-position eight-way electromagnetic reversing valve.
In another embodiment of the present utility model, as shown in fig. 1 and 2, one end of the valve block 1, that is, the left end in the drawing, is further provided with a coil 7, a movable magnetic tube 6 is provided in the coil 7, and a nut 8 is further provided on the outer periphery of the magnetic tube 6, and the coil 7 can be mounted on the valve block 1 or dismounted from the valve block 1 by rotating the nut 8.
In another embodiment of the present utility model, as shown in fig. 1 and 2, the magnetic conductive pipe 6 is near one end of the valve core 2, i.e. the right end in the drawing is further provided with a push rod 15, and one end of the push rod 15, i.e. the right end in the drawing, abuts against the valve core 2, and when the solenoid valve pipe moves, the valve core 2 can be pushed to move rightward.
On the basis of the above embodiment, in another embodiment of the present utility model, as shown in fig. 1 and 2, one end of the magnetic conduction tube 6 away from the valve core 2, that is, the right end in the figure, is further provided with a screw 10 having an adjusting function, and when the screw 10 is rotated, the magnetic conduction tube 6 and the push rod 15 can be driven to move. Specifically, in the working process, when the valve core 2 cannot move due to the failure of the electromagnetic valve, the screw 10 can be manually rotated, so that the magnetic conduction pipe 6 and the valve core 2 are driven to move rightwards.
In another embodiment of the present utility model, as shown in fig. 1 and 2, the first through hole 12 and the second through hole 14 are respectively opened at the upper and lower sides of the valve core 2, and the center lines of the first through hole 12 and the second through hole 14 are respectively parallel to the center line of the valve core 2.
In another embodiment of the present utility model, as shown in fig. 1 and 2, an end of the valve block 1 facing away from the coil 7, i.e. the right end shown in the figure, is further provided with a plug 5, and the plug 5 is detachably fixed at the end of the valve block 1. Specifically, a screw hole is formed in the right end portion of the valve block 1, and a screw rod matched with the screw hole is arranged on the plug 5.
In another embodiment of the present utility model, as shown in fig. 1 and 2, a spring 3 is further disposed in the spring cavity 11, one end of the spring 3, i.e. the left end in the drawing, is abutted against the right end of the valve core 2, the other end of the spring 3, i.e. the right end in the drawing, is abutted against the plug 5, the valve core 2 moves rightward to continuously squeeze the spring 3, and then the valve core 2 can move leftward under the action of the spring 3 to realize the return of the valve core 2.
On the basis of the above embodiment, in another embodiment of the present utility model, as shown in fig. 1 and 2, in order to prevent leakage, a plurality of blocks 16 for blocking the oil passage are further provided on the valve block 1, a first sealing ring 4 is further provided between the plug 5 and the valve block 1, a second sealing ring 9 is further provided on the periphery of the screw 10, and the first sealing ring 4 and the second sealing ring 9 are preferably rubber members.
The electromagnetic valve with the structure can be a two-position eight-way electromagnetic valve by arranging a plurality of oil grooves on the inner cavity of the valve block 1 as described above. The first oil groove and the last oil groove can be communicated by forming the first through hole 12 on the valve block 1. By forming the second through hole 14 on the valve block 1, the pressures at the left end and the right end of the valve core 2 are equal, so that the normal movement of the valve core 2 is ensured, and the valve core cannot be blocked. Compared with the electromagnetic valve with the existing structure, the electromagnetic valve has the advantages of compact structure, low failure rate, good stability and the like.
In another aspect, the present utility model also provides a hydraulic system comprising a solenoid valve, more specifically a solenoid valve as described above.
The hydraulic system with the structure has the advantages of the electromagnetic valve correspondingly.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. The electromagnetic valve is characterized by comprising a valve block, wherein an inner cavity is arranged in the valve block, a movable valve core is arranged in the inner cavity, a plurality of oil grooves are sequentially formed in the inner cavity, and two ends of the valve core are respectively provided with a pipe cavity and a spring cavity;
the valve block is further provided with a first through hole and a second through hole, two ends of the first through hole are respectively communicated with a first oil groove and a last oil groove in the plurality of oil grooves, and two ends of the second through hole are respectively communicated with the tube cavity and the spring cavity.
2. The solenoid valve of claim 1 wherein the number of oil sumps is 9 and the solenoid valve is a two-position eight-way solenoid valve.
3. The electromagnetic valve according to claim 2, wherein one end of the valve block is further provided with a coil, a movable magnetic tube is arranged in the coil, and a nut is further arranged on the periphery of the magnetic tube.
4. The electromagnetic valve according to claim 3, wherein a push rod is further arranged at one end of the magnetic conduction pipe, which is close to the valve core, and one end of the push rod is propped against the valve core and can push the valve core to move.
5. The electromagnetic valve according to claim 4, wherein one end of the magnetic tube away from the valve core is further provided with a screw with an adjusting function, and the magnetic tube and the push rod can be driven to move when the screw is rotated.
6. The solenoid valve of claim 5 wherein the first and second through holes are open on either side of the spool, and wherein the centerlines of the first and second through holes are parallel to the centerline of the spool, respectively.
7. The solenoid valve of claim 6 wherein said valve block further defines a plug at an end thereof facing away from said coil, said plug being removably secured to an end of said valve block.
8. The solenoid valve of claim 7 wherein a spring is also disposed in the spring chamber, one end of the spring being held against one end of the spool and the other end of the spring being held against the plug.
9. The electromagnetic valve according to claim 8, wherein the valve block is further provided with a plurality of blocking blocks for blocking the oil passage, a first sealing ring is further arranged between the plug and the valve block, and a second sealing ring is further arranged on the periphery of the screw.
10. A hydraulic system comprising a solenoid valve, characterized in that the solenoid valve is a solenoid valve according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321131078.8U CN219911945U (en) | 2023-05-11 | 2023-05-11 | Solenoid valve and hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321131078.8U CN219911945U (en) | 2023-05-11 | 2023-05-11 | Solenoid valve and hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219911945U true CN219911945U (en) | 2023-10-27 |
Family
ID=88434193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321131078.8U Active CN219911945U (en) | 2023-05-11 | 2023-05-11 | Solenoid valve and hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219911945U (en) |
-
2023
- 2023-05-11 CN CN202321131078.8U patent/CN219911945U/en active Active
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