CN210600382U - Plug type electromagnetic valve - Google Patents
Plug type electromagnetic valve Download PDFInfo
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- CN210600382U CN210600382U CN201921597367.0U CN201921597367U CN210600382U CN 210600382 U CN210600382 U CN 210600382U CN 201921597367 U CN201921597367 U CN 201921597367U CN 210600382 U CN210600382 U CN 210600382U
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- valve core
- plug
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Abstract
The utility model discloses a plug type electromagnetic valve, which comprises a switch valve body provided with 1 or a plurality of oil through ports, wherein the lower end part of the switch valve body is provided with a conical surface guide oil filling port, the upper end of the conical surface guide oil filling port is communicated with the oil through port, and the lower end of the conical surface guide oil filling port is communicated with an external lubricating oil input interface; the steel ball is guided and installed in the conical surface guide oil filling port, the electromagnetic driving assembly is installed at the upper end part of the switch valve body and comprises an electromagnetic driving valve core assembly inserted in the switch valve body and an electromagnetic coil positioned at the periphery of the electromagnetic driving valve core assembly, and the electromagnetic driving valve core assembly is selectively in driving contact with the steel ball under the selective power-on condition and is used for selectively connecting the steel ball with the conical surface guide oil filling port in a stop contact manner; the electromagnetic coil is connected with one end of the wire harness in a packaging way, and the other end of the wire harness is electrically connected with a wire harness plug in a packaging way; the utility model discloses mounting structure is compact reliable, and the switching action stroke is sensitive accurate, is particularly suitable for satisfying the accurate demand of pouring into of low discharge lubricating oil.
Description
Technical Field
The utility model belongs to engine lubrication system field, concretely relates to plug type solenoid valve.
Background
Engine lubrication systems typically require an on-off solenoid valve to achieve selective injection of lubricating oil. The basic working principle of the electromagnetic valve is that the electromagnetic valve core is adopted to realize the selective opening and closing of the oil filling port. However, after the applicant researches on the deep application of the engine lubrication system, it is found that the existing electromagnetic valve has poor installation structure compactness, especially has poor sensitivity to the injection requirement of small-flow lubricating oil, and can not meet the requirement of the engine lubrication system with higher specific application requirement.
The applicant hopes to develop a new product of the on-off electromagnetic valve aiming at the specific application requirement scene of the engine lubrication system.
Disclosure of Invention
In view of this, the utility model aims at providing a plug type solenoid valve, mounting structure is compact reliable, and the switching action stroke is sensitive accurate, is particularly suitable for satisfying the accurate injection demand of low discharge lubricating oil.
The utility model adopts the technical scheme as follows:
a plug type electromagnetic valve comprises a switch valve body provided with 1 or more oil through ports, wherein a conical surface guide oil injection port is arranged at the lower end part of the switch valve body, the upper end of the conical surface guide oil injection port is communicated with the oil through port, and the lower end of the conical surface guide oil injection port is communicated with an external lubricating oil input interface; a steel ball is installed in the conical surface guide oil injection port in a guiding manner, an electromagnetic driving assembly is installed at the upper end part of the switch valve body, the electromagnetic driving assembly comprises an electromagnetic driving valve core assembly inserted in the switch valve body and an electromagnetic coil positioned at the periphery of the electromagnetic driving valve core assembly, and the electromagnetic driving valve core assembly is selectively in driving contact with the steel ball under the selective power-on condition and is used for selectively connecting the steel ball with the conical surface guide oil injection port in a stop contact manner; the electromagnetic coil is connected with one end of the wiring harness in a packaging mode, and the other end of the wiring harness is electrically connected with the wiring harness plug in a packaging mode.
Preferably, the switch valve body is integrally formed by injection molding.
Preferably, the wiring harness plug is provided with an integrally injection-molded reverse-buckling elastic sheet.
Preferably, the electromagnetic driving assembly comprises a coil mounting shell mounted at the upper end of the switch valve body, an electromagnetic coil is mounted in the coil mounting shell, and the electromagnetic driving valve core assembly is sleeved in the electromagnetic coil; the electromagnetic driving valve core assembly comprises an electromagnetic valve core sleeved in the electromagnetic coil, and a valve core rod is fixed at the lower end of the electromagnetic valve core.
Preferably, a guide mounting sleeve is sleeved on the outer periphery of the upper end of the valve core rod, and the guide mounting sleeve is fixedly embedded between the coil mounting shell and the upper end of the switch valve body.
Preferably, the coil installation shell comprises a coil riveting protection cover and a coil sealing installation plate, wherein the coil riveting protection cover is positioned between the electromagnetic coil and the switch valve body, and the coil riveting protection cover and the coil sealing installation plate are buckled, pressed and riveted into a whole.
Preferably, the coil sealing mounting plate extends outwards along the coil mounting shell to form a solenoid valve mounting part; and a sealing ring is arranged between the electromagnetic coil and the coil sealing mounting plate.
Preferably, a valve core sleeve is fixedly sleeved in the switch valve body, the conical surface guide oil injection port is located below the valve core sleeve, the valve core sleeve is provided with a steel ball limiting portion used for limiting the stroke of the steel ball, and the electromagnetic drive valve core assembly is inserted into the valve core sleeve.
Preferably, the switch valve body includes a first oil through port at a lower end portion thereof and a second oil through port at an upper end portion thereof.
The utility model provides an adopt the installation cooperation structure of solenoid actuated valve core subassembly, steel ball and conical surface direction oiling mouth to realize that plug type solenoid valve accomplishes sensitive accurate switch switching process, in the time of actual work, when solenoid circular telegram, solenoid actuated valve core subassembly receives down drive power and steel ball drive contact, make steel ball and conical surface direction oiling mouth stop contact connection, when solenoid circular telegram, solenoid actuated valve core subassembly no longer with steel ball drive contact, make steel ball and conical surface direction oiling mouth no longer stop contact connection, simultaneously under the input pressure of the external lubricating oil input interface input oil that is located the switch valve body bottom, make the switch valve body belong to normal open state, furthermore, the utility model discloses the structure setting of pencil plug can realize fast and external power source erection joint; the utility model discloses a mounting structure is compact reliable, and it is few to occupy installation space, is fit for being applied to in the lubricated scene of applying of the normal open type that has the accurate demand of pouring into of low discharge lubricating oil.
Drawings
Fig. 1 is a schematic structural diagram of a plug-type solenoid valve 10 according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a plug-type solenoid valve of FIG. 1 without the wiring harness plug shown;
FIG. 3 is an enlarged view of the structure of FIG. 2 at A;
fig. 4 is a cross-sectional view of the wiring harness plug of fig. 1.
Detailed Description
The embodiment of the utility model discloses a plug type electromagnetic valve, which comprises a switch valve body provided with 1 or a plurality of oil through ports, wherein the lower end part of the switch valve body is provided with a conical surface guide oil filling port, the upper end of the conical surface guide oil filling port is communicated with the oil through port, and the lower end of the conical surface guide oil filling port is communicated with an external lubricating oil input interface; the steel ball is guided and installed in the conical surface guide oil filling port, the electromagnetic driving assembly is installed at the upper end part of the switch valve body and comprises an electromagnetic driving valve core assembly inserted in the switch valve body and an electromagnetic coil positioned at the periphery of the electromagnetic driving valve core assembly, and the electromagnetic driving valve core assembly is selectively in driving contact with the steel ball under the selective power-on condition and is used for selectively connecting the steel ball with the conical surface guide oil filling port in a stop contact manner; the electromagnetic coil is connected with one end of the wiring harness in a packaging mode, and the other end of the wiring harness is electrically connected with the wiring harness plug in a packaging mode.
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Referring to fig. 1, 2, 3 and 4, a plug-type solenoid valve 10 includes a switch valve body 11 formed by integral injection molding, wherein the switch valve body 11 includes a first oil through port 12a at a lower end thereof and a second oil through port 12b at an upper end thereof; the lower end part of the switch valve body 11 is provided with a conical surface guide oil filling port 20, the upper end of the conical surface guide oil filling port 20 is respectively communicated with the first oil through port 12a and the second oil through port 12b, and the lower end of the conical surface guide oil filling port 20 is communicated with the external lubricating oil input interface 13; a steel ball 30 is installed in the conical surface guide oil injection port 20 in a guiding way, and an electromagnetic driving assembly 40 is installed at the upper end part of the switch valve body 11;
preferably, in the present embodiment, the maximum stroke range of the steel ball 30 in the switch valve body 11 is not higher than 0.1mm, so as to further ensure the sensitive precision of the switch action stroke of the present embodiment; particularly preferably, in the present embodiment, the maximum stroke of the steel ball 30 in the switch valve body 11 is set to 0.07 mm;
preferably, in the present embodiment, a valve core sleeve 14 is fixedly sleeved in the switch valve body 11, the conical guide oil injection port 20 is located below the valve core sleeve 14, and the valve core sleeve 14 is provided with a steel ball limiting portion 14a for limiting the stroke of the steel ball 30; the electromagnetic driving assembly 40 comprises a coil mounting shell 41 mounted at the upper end of the switch valve body 11, an electromagnetic coil 42 is mounted in the coil mounting shell 41, and an electromagnetic driving valve core assembly 43 is sleeved in the electromagnetic coil 42; the electromagnetically driven valve element assembly 43 includes an electromagnetic valve element 43a sleeved in the electromagnetic coil 42, and a valve element rod 43b is fixed at the lower end of the electromagnetic valve element 43 a;
preferably, in the present embodiment, the guide mounting sleeve 15 is sleeved on the outer periphery of the upper end of the valve core rod 43b, and the lower end is inserted into the valve core sleeve 14; the guide mounting sleeve 15 is fixedly embedded between the coil mounting shell 41 and the upper end of the switch valve body 11; the coil mounting case 41 includes a coil caulking protector 41a and a coil sealing mounting plate 41b located between the electromagnetic coil 42 and the switch valve body 11, and the coil caulking protector 41a and the coil sealing mounting plate 41b are buckled, pressed and riveted into a whole; the coil seal mounting plate 41b extends outward along the coil mounting case 41 to form a solenoid valve mounting portion 41 c; a seal ring 16 is arranged between the electromagnetic coil 42 and the coil seal mounting plate 41 b;
in the present embodiment, the electromagnetic coil 42 is connected to one end of the wire harness 42a in a sealed manner, and the other end of the wire harness 42a is sealed and electrically connected to the wire harness plug 50; preferably, the wire harness plug 50 is provided with an integrally injection-molded reverse-buckling elastic piece 51.
The embodiment proposes that the plug-type electromagnetic valve 10 can complete a sensitive and accurate switching process by adopting the mounting and matching structure of the electromagnetically driven valve core assembly 43, the steel ball 30 and the conical surface guide oil injection port 20, in actual operation, when the wiring harness plug 50 energizes the electromagnetic coil 42, the electromagnetically driven valve core assembly 43 receives downward driving force and is in driving contact with the steel ball 30, so that the steel ball 30 is in cut-off contact connection with the conical surface guide oil filling port 20, when the wiring harness plug 50 cuts off the power of the electromagnetic coil 42, the electromagnetically driven valve core assembly 43 is not in driving contact with the steel ball 30 any more, so that the steel ball 30 is not in cut-off contact connection with the conical surface guide oil filling port 20 any more, at the same time, under the input pressure of the input oil of the external lubricating oil input interface 13 at the bottom of the switch valve body 11, the switch valve body 11 is in a normally open state, and in addition, the structural arrangement of the wire harness plug 50 in the embodiment can realize quick installation and connection with an external power supply; the installation structure of this embodiment is compact and reliable, and it is few to occupy installation space, is fit for being applied to in the normal open type lubrication application scene that has the accurate injection demand of low discharge lubricating oil.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A plug type electromagnetic valve is characterized by comprising a switch valve body provided with 1 or more oil through ports, wherein a conical surface guide oil filling port is arranged at the lower end part of the switch valve body, the upper end of the conical surface guide oil filling port is communicated with the oil through ports, and the lower end of the conical surface guide oil filling port is communicated with an external lubricating oil input interface; a steel ball is installed in the conical surface guide oil injection port in a guiding manner, an electromagnetic driving assembly is installed at the upper end part of the switch valve body, the electromagnetic driving assembly comprises an electromagnetic driving valve core assembly inserted in the switch valve body and an electromagnetic coil positioned at the periphery of the electromagnetic driving valve core assembly, and the electromagnetic driving valve core assembly is selectively in driving contact with the steel ball under the selective power-on condition and is used for selectively connecting the steel ball with the conical surface guide oil injection port in a stop contact manner; the electromagnetic coil is connected with one end of the wiring harness in a packaging mode, and the other end of the wiring harness is electrically connected with the wiring harness plug in a packaging mode.
2. The plug-type solenoid valve of claim 1, wherein the switch valve body is formed by injection molding.
3. The plug-type electromagnetic valve according to claim 1 or 2, wherein the wire harness plug is provided with an integrally injection-molded reverse-buckling spring piece.
4. The plug-type electromagnetic valve according to claim 1 or 2, wherein said electromagnetic drive assembly includes a coil mounting housing mounted on an upper end portion of said switch valve body, an electromagnetic coil being mounted in said coil mounting housing while said electromagnetic coil is fitted inside said electromagnetically driven valve element assembly; the electromagnetic driving valve core assembly comprises an electromagnetic valve core sleeved in the electromagnetic coil, and a valve core rod is fixed at the lower end of the electromagnetic valve core.
5. The plug-type electromagnetic valve according to claim 4, wherein a guide mounting sleeve is sleeved on the outer periphery of the upper end of the valve core rod, and the guide mounting sleeve is fixedly embedded between the coil mounting shell and the upper end of the switch valve body.
6. The plug-type solenoid valve of claim 4, wherein the coil-mounting housing includes a coil-staking shield and a coil-sealing mounting plate between the solenoid coil and the switch valve body, the coil-staking shield and the coil-sealing mounting plate being snap-staked together.
7. The plug-type solenoid valve of claim 6, wherein the coil seal mounting plate extends outwardly along the coil mounting housing to form a solenoid valve mounting portion; and a sealing ring is arranged between the electromagnetic coil and the coil sealing mounting plate.
8. The plug type electromagnetic valve according to claim 1, wherein a valve core sleeve is fixedly sleeved in the switch valve body, the conical guide oil injection port is located below the valve core sleeve, the valve core sleeve is provided with a steel ball limiting portion for limiting the stroke of the steel ball, and the electromagnetically driven valve core assembly is inserted into the valve core sleeve.
9. The plug-type electromagnetic valve according to claim 1 or 8, wherein the switching valve body includes a first oil passage at a lower end portion thereof and a second oil passage at an upper end portion thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921597367.0U CN210600382U (en) | 2019-09-25 | 2019-09-25 | Plug type electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921597367.0U CN210600382U (en) | 2019-09-25 | 2019-09-25 | Plug type electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210600382U true CN210600382U (en) | 2020-05-22 |
Family
ID=70698340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921597367.0U Active CN210600382U (en) | 2019-09-25 | 2019-09-25 | Plug type electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210600382U (en) |
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2019
- 2019-09-25 CN CN201921597367.0U patent/CN210600382U/en active Active
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