CN211082934U - Ball type valve core electromagnetic valve device - Google Patents
Ball type valve core electromagnetic valve device Download PDFInfo
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- CN211082934U CN211082934U CN201921318935.9U CN201921318935U CN211082934U CN 211082934 U CN211082934 U CN 211082934U CN 201921318935 U CN201921318935 U CN 201921318935U CN 211082934 U CN211082934 U CN 211082934U
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Abstract
The utility model discloses a ball formula case solenoid valve device, including case, disk seat and the electro-magnet that is used for producing the electromagnetic force, the case is the ball formula case, and the disk seat is provided with the cavity, and the disk seat is equipped with the access passage who is used for letting in the medium, and the both sides of cavity are equipped with the outflow passageway that is used for the medium to flow out respectively, and the ball formula case is mobilizable to be set up in the cavity to make when receiving thrust sealed with the outflow passageway port of one side, the cavity sets up along its central axis symmetry. When the ball type valve core moves along the axial direction, the axial hydraulic pressure borne by the ball type valve core is counteracted because the chambers are symmetrically arranged along the central axis of the chambers, the requirement on the strength of electromagnetic force during reversing is reduced, the size of the electromagnet is fundamentally reduced, and the whole size of the electromagnetic valve is reduced. In addition, the axial size of the ball type valve core is smaller than that of the conical valve core, so that the axial size of the electromagnetic valve is reduced. Therefore, the utility model provides a device has advantages such as compact structure, solenoid valve are small.
Description
Technical Field
The utility model relates to a solenoid valve technical field, more specifically say, relate to a ball formula case solenoid valve device.
Background
In the working process of the electromagnetic valve, the core of the driving part is an electromagnet, and for the overall structure of the electromagnetic valve, the size of the electromagnet determines the radial geometric dimension of the electromagnetic valve.
In the prior art, in order to reduce the volume of the solenoid valve, an electromagnet is usually embedded into a solenoid valve body, so that the axial size of the solenoid valve can be reduced, but the radial size of the solenoid valve can be increased; in addition, high-performance soft magnetic materials are used in the electromagnetic valve, and the volume of the electromagnetic valve is reduced by improving the magnetic conductivity of the electromagnet; in addition, the coil window is designed into a combination of a polygon and a rectangle, so that the number of turns of the wound coil can be increased under the condition that the size of the coil assembly is not changed, then the volume of the electromagnet is reduced, and finally the volume of the electromagnetic valve can be reduced.
In summary, how to provide a solenoid valve device with a smaller volume is an urgent problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a ball valve core solenoid valve device, which has the advantages of compact structure and small solenoid valve size.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a ball formula case solenoid valve device, includes case, disk seat and is used for producing the electro-magnet of electromagnetic force, and the case is the ball formula case, and the disk seat is provided with the cavity, and the disk seat is equipped with the entering channel that is used for letting in the medium, and the both sides of cavity are equipped with the outflow passageway that is used for the medium to flow out respectively, and the ball formula case is mobilizable to be set up in the cavity to make when receiving thrust seal with the outflow passageway port of one side, the cavity sets up along its.
Preferably, the chamber is a shuttle chamber, and the passages are arranged at two ends of the shuttle chamber.
Preferably, the ejector rod comprises a first ejector rod used for pushing the valve core to move and a second ejector rod used for being connected with the electromagnet, and the first ejector rod is connected with the second ejector rod.
Preferably, the maximum outer diameter of the first ejector pin is larger than the outer diameter of the second ejector pin.
Preferably, one side of the first ejector rod, which is used for contacting the valve core, is a square rod, or one side of the ejector pin, which is used for contacting the valve core, is a square rod.
Preferably, a contact surface of the first ejector rod, which is used for contacting the valve core, is an arc surface, or a contact surface of the ejector pin, which is used for contacting the valve core, is an arc surface.
Preferably, the valve core is a ceramic valve core.
Preferably, the valve seat is provided with three flow passages which are uniformly arranged on the periphery and are used for communicating the inlet passage with the chamber.
Preferably, the valve seat comprises a first valve seat and a second valve seat connected to the first valve seat, the chamber comprises a first chamber arranged on the first valve seat and a second chamber arranged on the second valve seat, and the first chamber is communicated with the second chamber.
Preferably, the first chamber is the same shape as the second chamber.
The utility model provides an among ball formula case solenoid valve device, the ball formula case is mobilizable to be set up in the cavity, and the cavity sets up along its central axis symmetry. When the ball type valve core moves along the axial direction, the chamber is symmetrically arranged along the central axis of the chamber, so that the axial hydraulic pressure applied to the ball type valve core in the working process of the electromagnetic valve can be offset, the requirement on the strength of electromagnetic force during reversing can be reduced, the size of the electromagnet is reduced fundamentally, and the overall size of the electromagnetic valve is reduced. In addition, the axial size of the ball type valve core is smaller than that of the conical valve core, and the axial size of the electromagnetic valve is favorably reduced.
To sum up, the utility model provides a great problem of solenoid valve volume among the prior art can be solved to ball formula case solenoid valve device, has advantages such as device compact structure, solenoid valve are small.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a structural sectional view in a top view direction of a first embodiment of a ball valve core solenoid valve device provided in the present invention;
fig. 2 is a cross-sectional view of a valve seat of a ball-type valve core solenoid valve device provided in the present invention;
fig. 3 is a schematic view of a left valve seat in a ball valve core solenoid valve device provided by the present invention;
fig. 4 is a schematic view of a first push rod and a second push rod in a top view direction according to a first specific embodiment of a ball valve core solenoid valve device provided by the present invention;
fig. 5 is a schematic view of the first lift pin provided by the present invention;
fig. 6 is a schematic view of the thimble provided by the present invention.
Wherein, 1 is the spring holder, 2 is the casing, 3 is reset spring, 4 is the thimble, 5 is the valve seat, 6 is the case, 7 is first ejector pin, 8 is the second ejector pin, 9 is the electro-magnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a ball type case solenoid valve device, the device compact structure, solenoid valve are small.
Referring to fig. 1 to 5, fig. 1 is a sectional view of a ball valve core electromagnetic valve device according to a first embodiment of the present invention, in a top view direction; FIG. 2 is a cross-sectional view of the valve seat; FIG. 3 is a schematic view of a left valve seat; FIG. 4 is a schematic view of a first ram and a second ram; FIG. 5 is a schematic view of the first ram; FIG. 6 is a schematic view of the thimble.
The utility model provides a pair of ball formula case solenoid valve device, including case 6, disk seat 5 and the electro-magnet 9 that is used for producing the electromagnetic force, case 6 is the ball formula case, and disk seat 5 is provided with the cavity, and disk seat 5 is equipped with the admission passage that is used for letting in the medium, and the both sides of cavity are equipped with the outflow passageway that is used for the medium to flow respectively, and the ball formula case is mobilizable to be set up in the cavity to make when receiving thrust sealed with the outflow passageway port of one side, the cavity sets up along its central axis symmetry.
It should be noted that, the utility model provides a can have among the ball valve core solenoid valve and have common general structure with the solenoid valve among the prior art, reset assembly, casing 2 and the ejector pin including case 6. The reset component of the valve core 6 adopts a spring reset mode and comprises a spring seat 1, a reset spring 3 and a thimble 4. It should be noted that the pushing members for applying a pushing force to the ball type valve core are a push rod and a push pin in the reset assembly, respectively. The reset component of the valve core 6, the electromagnet 9 and the like are arranged in the shell 2. And, the valve base 5 is equipped with the inlet channel used for letting in the medium, the both sides of the cavity are equipped with the outflow channel used for medium outflow respectively, reset assembly and the ejector pin of the valve core 6 are installed in the left and right sides of the valve base 5 respectively, and contact with valve core 6 through the inlet channel on the valve base 5, therefore, the diameter of the inlet channel must guarantee that the tip of ejector pin 4 and ejector pin can pass through the inlet channel, and have enough surplus space to supply the medium to circulate. The oil inlet P is communicated with the cavity along the radial direction, and the oil outlet A and the oil outlet B are respectively communicated with outflow channels which are positioned at two sides of the cavity and used for medium outflow.
Specifically, when the ball type valve core electromagnetic valve device provided by the utility model is used, the coil of the electromagnetic valve is not electrified in a non-working state, the valve core 6 is pushed rightwards by the thimble 4 under the action of the reset spring 3 and is close to the right valve seat, and at the moment, a medium can flow through the left valve seat, the outflow channel and the like from the oil inlet P of the electromagnetic valve to reach the oil outlet A; when the system has the requirement of oil circuit switching, the coil is electrified under the working state of the electromagnetic valve, the electromagnetic force generated by the electromagnet 9 acts on the valve core 6 through the ejector rod, the electromagnetic force overcomes the spring force of the reset spring 3 along with the increase of the electromagnetic force, the valve core 6 is pushed leftwards and abuts against the left valve seat, and at the moment, a medium can flow through the right valve seat, the outflow channel and the like from the oil inlet P of the electromagnetic valve to reach the oil outlet B, so that the switching function of the electromagnetic valve is realized.
Still need to explain, the utility model provides an among the ball formula case solenoid valve device, the ball formula case is mobilizable to be set up in the cavity, and the cavity sets up along its central axis symmetry. When the ball type valve core moves along the axial direction, the chamber is symmetrically arranged along the central axis of the chamber, so that the axial hydraulic pressure applied to the ball type valve core in the working process of the electromagnetic valve can be offset, the requirement on the strength of electromagnetic force during reversing can be reduced, the size of the electromagnet 9 is reduced fundamentally, and the whole size of the electromagnetic valve is reduced. In addition, the axial size of the ball type valve core is smaller than that of the conical valve core, and the axial size of the electromagnetic valve is favorably reduced.
It should be noted that the shape of the valve element 6 may be an elliptical shape, instead of a spherical shape, but the valve element 6 needs to be symmetrical along its central axis, so that the axial hydraulic force applied to the valve element during its movement in the chamber can be offset. Therefore, the shape of the valve core 6 can be determined according to actual conditions during actual operation. However, it is preferable to provide the valve element 6 in a spherical shape because the ball-type valve element is not only symmetrical along its central axis but also small in its axial dimension, which is more advantageous in reducing the size of the solenoid valve. In addition, the shape of the chamber described herein can be selected according to the actual application, but the chamber needs to be symmetrically disposed along the central axis.
To sum up, the utility model provides a great problem of solenoid valve volume among the prior art can be solved to ball formula case solenoid valve device, has advantages such as device compact structure, solenoid valve are small.
On the basis of the ball valve core electromagnetic valve device in the first embodiment, specifically, the chamber is a shuttle-shaped chamber, and the passages are disposed at two ends of the shuttle-shaped chamber.
It should be noted that, by processing a chamfer on the inner hole at the end with the throttling edge of the valve seat 5, a conical surface matched with the spherical surface of the ball type valve core is formed, and a chamber similar to a shuttle shape can be formed between the conical surfaces. The shuttle-shaped cavity is not symmetrical approximately along the central axis, so that the axial hydraulic pressure borne by the ball-type valve core during movement in the cavity can be offset, and the processing process of the shuttle-shaped cavity is simple and convenient to operate.
On the basis of the ball valve core electromagnetic valve device in the first embodiment, specifically, the ejector rod comprises a first ejector rod 7 for pushing the valve core 6 to move and a second ejector rod 8 for connecting an electromagnet 9, and the first ejector rod 7 is connected with the second ejector rod 8.
It should be noted that, most of the ejector rods adopted in the electromagnetic valve device in the prior art are mostly of a whole-segment structure, but the length-diameter ratio of the whole-segment ejector rod is large, and the processing precision of the ejector rod is difficult to ensure. Therefore, the ejector rod adopts two segmentation structures, sets up to be used for promoting the first ejector rod 7 of case 6 motion and the second ejector rod 8 that is used for connecting electro-magnet 9, and first ejector rod 7 is connected with second ejector rod 8, can make the draw ratio of every section ejector rod all reduce to can guarantee the machining precision.
In addition, it should be noted that the connection between the first top bar 7 and the second top bar 8 is a result, not a means; namely, the first top rod 7 is connected with the second top rod 8 no matter what specific technical means is adopted.
In addition to the ball-type spool electromagnetic valve device according to the third embodiment, specifically, the maximum outer diameter of the first plunger 7 is larger than the outer diameter of the second plunger 8.
It should be noted that, in the electromagnetic valve device in the prior art, the whole-segment ejector rod is easy to be jammed in the process of pushing the valve core 6. Because first ejector pin 7 need be through the aperture and the contact of case 6 that set up on the disk seat 5, so the one end of first ejector pin 7 and the contact of case 6 sets up to the needle-like, and the utility model provides a solenoid valve device's first ejector pin 7's the biggest external diameter is greater than the external diameter of second ejector pin 8, so there is the diameter difference in the contact jaw of first ejector pin 7 and second ejector pin 8, can effectively guarantee that the ejector pin does not take place the dead phenomenon of card in the motion process, can improve the reliability of ejector pin in the operation finally.
In addition, it should be further explained that the lengths, outer diameters, and the like of the first ejector rod 7 and the second ejector rod 8 described herein can be selected and determined according to actual situations and actual requirements in the actual application process.
In addition to the ball-type valve core electromagnetic valve device in the first embodiment, the valve core 6 is specifically a ceramic valve core.
It should be noted that, the valve core 6 is a ceramic valve core, which can improve the service life of the valve core 6 and has better sealing performance. Specifically, the ceramic valve core has the advantages of aging resistance, wear resistance, no need of maintenance and the like, and the ceramic valve core does not need maintenance, so that the operation stability of the electromagnetic valve can be ensured, the maintenance cost is saved, and the like. Meanwhile, the ceramic valve core is aging-resistant and wear-resistant, so that the service life of the ceramic valve core is far longer than that of other valve cores. In addition, the ceramic material has the characteristics of high tensile strength, difficult deformation, high temperature resistance, low temperature resistance, wear resistance, no corrosion and the like, so the ceramic material has excellent sealing performance.
In addition, the selection of the material of the valve element 6 may be made not only from ceramics but also from actual conditions and actual requirements during actual operation.
On the basis of the ball-type spool solenoid valve device in the first embodiment described above, specifically, the valve seat 5 has three flow passages for communicating the inlet passage with the chamber, which are uniformly provided in the circumferential direction.
It should be noted that, three evenly-arranged flow channels for communicating the inlet channel with the chamber are arranged on the circumferential direction of the valve seat 5, so that the medium can flow through the inlet channel evenly, fully and quickly, enter the chamber, and then flow out through the outlet channel, thereby improving the operating efficiency of the electromagnetic valve and shortening the operating time.
In addition, it should be added that, the three channels described herein are preferably the same channel, which is convenient for processing and manufacturing, and the shape of the channel may be set to be rectangular, arc, etc., that is, the shape of the channel may be selected according to actual needs and actual situations in the actual application process. In addition, the number of the flow channels is not limited to only three, and the number of the flow channels can be selected according to actual conditions.
On the basis of any one of the ball-type valve core electromagnetic valve device, specifically, the valve seat 5 includes a first valve seat and a second valve seat connected to the first valve seat, the chamber includes a first chamber disposed on the first valve seat and a second chamber disposed on the second valve seat, and the first chamber is communicated with the second chamber.
It should be noted that the valve seat 5 includes a first valve seat and a second valve seat connected to the first valve seat, the chamber includes a first chamber disposed on the first valve seat and a second chamber disposed on the second valve seat, and the first chamber is communicated with the second chamber, so the valve seat 5 described herein is a pair of valve seats disposed oppositely.
In addition, it should be further noted that the connection of the first valve seat to the second valve seat described herein is meant to be a result, and not a means; that is, no matter what specific technical means is adopted, the first valve seat is connected with the second valve seat.
On the basis of the above ball-type spool solenoid valve device, specifically, the first chamber and the second chamber have the same shape.
It should be noted that the chambers include a first chamber and a second chamber, the first chamber is communicated with the second chamber, and the first chamber and the second chamber have the same shape, so that the chambers can be set to have a symmetrical shape along the central axis thereof, the first valve seat and the second valve seat are separately processed to manufacture the same first chamber and second chamber, and then the first valve seat and the second valve seat are relatively connected to communicate the first chamber and the second chamber having the same shape and form a symmetrical chamber along the central axis of the chambers.
On the basis of the above-mentioned ball type case solenoid valve device, specifically, first valve seat and second valve seat are the screw connection.
It should be noted that the first valve seat and the second valve seat are connected by screws, and the first valve seat and the second valve seat are connected by adopting a detachable connection manner of screw connection, so that the applicability and the service life of the electromagnetic valve device can be improved. If first disk seat is undetachable with the second disk seat and is connected, if the part damage phenomenon appears in first disk seat or the second disk seat, then can make whole device unable normal operating, need carry out the change of whole disk seat. If the first valve seat is connected with the second valve seat through the screw, if parts in the first valve seat or the second valve seat are damaged, the first valve seat and the second valve seat can be detached, only the damaged parts are maintained, and then the first valve seat and the second valve seat are continuously assembled and used together with the damaged parts, so that the operating cost of the device can be reduced.
In addition, it should be added that, besides the screw connection, other suitable detachable connection modes can be selected according to actual situations between the first valve seat and the second valve seat.
On the basis of the above ball type valve core electromagnetic valve device, specifically, a sealing ring is arranged on the end surface of the first valve seat contacted with the second valve seat.
It should be noted that, the first valve seat and the second valve seat are connected, and the contact end faces of the first valve seat and the second valve seat need to be sealed, so that the air tightness of the medium flowing process is ensured, the medium is prevented from leaking, and the operation effect of the electromagnetic valve device is further ensured.
Preferably, a sealing ring is arranged on the end surface of the first valve seat, which is contacted with the second valve seat. The friction force between the sealing ring and the first valve seat and between the sealing ring and the second valve seat is small, and the friction coefficient is stable; the sealing ring has strong corrosion resistance, is not easy to age, has long service life and good wear resistance, and can automatically compensate to a certain extent after being worn; the sealing ring has simple structure and convenient use and maintenance. Therefore, it is preferable that a seal ring is provided on an end surface where the first valve seat and the second valve seat contact.
In addition, it should be further explained that the first valve seat and the second valve seat can also be sealed by applying a sealing grease, that is, the sealing process between the first valve seat and the second valve seat can be selected according to actual needs and actual situations during actual operation.
Optionally, one side of the first ejector rod 7, which is used for contacting the valve core, is a square rod, or one side of the ejector pin 4, which is used for contacting the valve core, is a square rod.
Optionally, a contact surface of the first ejector rod 7 for contacting the valve core is an arc surface, or a contact surface of the ejector pin 4 for contacting the valve core is an arc surface.
Please refer to fig. 5 and 6, in order to facilitate the guiding function of the fluid, in this embodiment, one side of the first push rod 7 close to the valve core is a small-diameter section, and the small-diameter section is milled to form a square rod structure, so as to ensure the flow area and simultaneously play a guiding function; in addition, the first ejector rod 7 needs to be in direct contact with the valve core, and a spherical surface with the radius equal to that of the valve core is machined on the end face of the first ejector rod, so that the purpose of ensuring stable stress of the valve core and improving the working reliability of the valve is achieved.
Optionally, the above arrangement is also applicable to the thimble 4, the end of the thimble 4 may be set to be a cambered surface structure so as to contact with the valve core and tightly attach to the valve core, and one side of the thimble 4 close to the valve core is a small-diameter section, and the structure of the small-diameter section may be milled to form a square rod structure.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The utility model provides an arbitrary compound mode of all embodiments all is in this utility model's a protection scope, does not do here and gives unnecessary details.
It is right above the utility model provides a ball formula case solenoid valve device has carried out the detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides a ball formula case solenoid valve device, includes case (6), disk seat (5) and is used for producing electro-magnet (9) of electromagnetic force, its characterized in that, case (6) are the ball formula case, disk seat (5) are provided with the cavity, disk seat (5) are equipped with the access passage who is used for letting in the medium, the both sides of cavity are equipped with the outflow passageway that is used for the medium to flow out respectively, the ball formula case is mobilizable set up in the cavity to make when receiving thrust with one side outflow passageway port is sealed, the cavity sets up along its central axis symmetry.
2. The ball spool solenoid valve arrangement of claim 1, wherein the chamber is a shuttle chamber, the passage being disposed at both ends of the shuttle chamber.
3. The ball-type spool solenoid valve device according to claim 1, characterized in that it further comprises a first tappet (7) for pushing the spool (6) in motion and a second tappet (8) for connecting the electromagnet (9), the first tappet (7) being connected to the second tappet (8).
4. A ball spool solenoid valve arrangement according to claim 3, characterized in that the maximum outer diameter of the first tappet (7) is larger than the outer diameter of the second tappet (8).
5. A ball spool solenoid valve arrangement according to claim 3, characterized in that the side of the first carrier rod (7) for contacting the spool (6) is a square rod.
6. A ball-type spool solenoid valve device according to claim 3, characterized in that the contact surface of the first tappet (7) for contacting the spool (6) is an arc-shaped surface.
7. Ball-type spool solenoid valve device according to claim 1, characterized in that said spool (6) is a ceramic spool.
8. A ball-type spool solenoid valve device according to claim 1, characterized in that said valve seat (5) has three flow passages for communicating said inlet passage with said chamber, uniformly arranged circumferentially.
9. Ball-type spool solenoid valve device according to any one of claims 1 to 8, characterized in that said valve seat (5) comprises a first valve seat and a second valve seat connected to said first valve seat, said chambers comprising a first chamber provided at said first valve seat and a second chamber provided at said second valve seat, said first chamber communicating with said second chamber.
10. The ball spool solenoid valve arrangement of claim 9, wherein the first chamber is the same shape as the second chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921318935.9U CN211082934U (en) | 2019-08-14 | 2019-08-14 | Ball type valve core electromagnetic valve device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921318935.9U CN211082934U (en) | 2019-08-14 | 2019-08-14 | Ball type valve core electromagnetic valve device |
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| CN211082934U true CN211082934U (en) | 2020-07-24 |
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| CN201921318935.9U Active CN211082934U (en) | 2019-08-14 | 2019-08-14 | Ball type valve core electromagnetic valve device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483140A (en) * | 2021-07-22 | 2021-10-08 | 舍弗勒技术股份两合公司 | Hydraulic actuator |
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2019
- 2019-08-14 CN CN201921318935.9U patent/CN211082934U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483140A (en) * | 2021-07-22 | 2021-10-08 | 舍弗勒技术股份两合公司 | Hydraulic actuator |
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