CN217401853U - Armature and have its solenoid valve - Google Patents
Armature and have its solenoid valve Download PDFInfo
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- CN217401853U CN217401853U CN202123083415.4U CN202123083415U CN217401853U CN 217401853 U CN217401853 U CN 217401853U CN 202123083415 U CN202123083415 U CN 202123083415U CN 217401853 U CN217401853 U CN 217401853U
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- armature
- iron core
- protrusions
- solenoid valve
- air outlet
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Abstract
The utility model provides an armature and have its solenoid valve, the armature includes iron core, sealed pad. Wherein the iron core is formed into a barrel shape with an open bottom end; the sealing gasket is arranged on the top end of the iron core, wherein a lubricant is arranged on the top end of the sealing gasket. The utility model discloses an armature is difficult wearing and tearing when striking apron, can strengthen the leakproofness of solenoid valve to improve the life of solenoid valve.
Description
Technical Field
The utility model relates to a machine-building technical field, concretely relates to armature and have its solenoid valve.
Background
Gasoline in an automobile oil tank is volatile, and the evaporation capacity is increased along with the temperature rise. In order to ensure that gasoline vapor is not discharged into the atmosphere to pollute the environment, people use the good adsorption capacity of the activated carbon to prepare a carbon tank for temporarily storing the gasoline vapor. When the engine works, the electronic control unit of the automobile sends out different electric pulse signals according to the working condition of the engine to control the armature at the air outlet of the electromagnetic valve of the carbon tank to be opened, so that gasoline steam in the carbon tank is sent into the cylinder of the engine through the air outlet to be burnt, and when the engine works, the armature is closed to close the electromagnetic valve. This approach is both environmentally friendly and fuel efficient.
However, the solenoid valves currently on the market have a low life, mainly because the armature is subject to high wear upon impact, which leads to failure of the sealing of the solenoid valve.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an armature, the armature is difficult wearing and tearing when striking apron, can strengthen the leakproofness of solenoid valve to improve the life of solenoid valve.
The utility model also provides a solenoid valve of having above-mentioned armature.
In order to solve the technical problem, the utility model discloses a following technical scheme:
according to the utility model discloses armature of first aspect embodiment includes:
an iron core formed in a barrel shape with an open bottom end;
a sealing gasket mounted on the top end of the core,
wherein, the top end of the sealing gasket is provided with a lubricant.
Further, the lubricant covers the surface of the sealing gasket, and the lubricant is molybdenum disulfide.
Further, an annular groove is formed on the upper surface of the sealing gasket, and the lubricant is filled in the groove.
Further, the top end of the sealing gasket is provided with a boss, and the groove is formed in the upper surface of the boss.
Further, a plurality of protrusions are formed on the periphery of the bottom end of the sealing gasket, the plurality of protrusions comprise a plurality of first protrusions and a plurality of second protrusions, the length of the first protrusions is larger than that of the second protrusions, and the plurality of first protrusions and the plurality of second protrusions are arranged in a crossed and spaced mode along the circumferential direction of the sealing gasket.
Further, the sealing gasket is made of rubber.
According to the utility model discloses solenoid valve of second aspect embodiment includes:
the valve body is internally provided with a cavity, and the bottom end of the valve body is provided with an air inlet;
the cover plate is arranged at the top end of the valve body, and the upper end of the cover plate is provided with an air outlet which can be communicated with the air inlet;
an armature, the armature being an armature of an embodiment of the first aspect of the invention, the armature being mounted in the chamber and the sealing gasket abutting the gas outlet of the cover plate;
the spring penetrates through the iron core from the bottom end of the iron core, the top end of the spring is connected with the inner top wall of the iron core, and the bottom end of the spring protrudes out of the iron core;
the stator is installed in the cavity and fixed below the iron core, and the other end of the spring is connected with the top end of the stator;
the electromagnetic coil is sleeved on the outer sides of the iron cores in the stator and the armature,
when the electromagnetic coil is de-energized, the sealing gasket is abutted against the air outlet under the action of the spring to close the air outlet,
when the electromagnetic coil is electrified, the iron core and the sealing gasket move under the action of the electromagnetic coil to open the air outlet.
Further, still include:
the bottom plate, be formed with first hole just on the bottom plate is fixed the apron bottom, first hole diameter is less than sealed pad diameter, wherein, the armature passes first hole butt is in the apron bottom.
Further, still include:
the protective housing, the protective housing forms into the U-shaped just be formed with the second hole on the protective housing, the stator passes the second hole is fixed on the protective housing.
Further, still include:
the coil framework is installed in the cavity of the valve body, and the electromagnetic coil is installed on the coil framework.
The above technical scheme of the utility model one of following beneficial effect has at least:
according to the utility model discloses armature, armature is difficult for wearing and tearing when striking apron, can strengthen the leakproofness of solenoid valve to improve the life of solenoid valve.
Drawings
Fig. 1 is a front view of an armature according to an embodiment of the first aspect of the invention;
fig. 2 is a perspective view of an armature according to an embodiment of the first aspect of the invention;
fig. 3 is a top view of an armature according to an embodiment of the first aspect of the invention;
fig. 4 is a schematic structural diagram of a solenoid valve according to an embodiment of the present invention.
Reference numerals are as follows:
1. an armature; 2. an iron core; 3. a gasket; 4. an air outlet; 5. a spring; 6. an electromagnetic coil; 7. a groove; 8. a boss; 9. a first protrusion; 10. a second protrusion; 11. a valve body; 12. a cover plate; 13. a stator; 14. an air inlet; 15. a base plate; 16. a protective shell; 17. and a coil framework.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are some, not all embodiments of the invention. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and the like in the description of the invention does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. Also, the use of the terms a, an, etc. do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
An armature 1 according to an embodiment of the first aspect of the present invention will be described first in detail with reference to the drawings.
As shown in fig. 1 to 4, an armature 1 according to an embodiment of the present invention includes a core 2 and a gasket 3. The iron core 2 is formed in a barrel shape with an open bottom end; the gasket 3 is mounted on the top end of the core 2, wherein the top end of the gasket 3 is provided with a lubricant.
An air outlet 4 of a carbon tank electromagnetic valve in an automobile needs to be opened or closed through an armature 1, the armature 1 comprises an iron core 2 and a sealing gasket 3, one end of the iron core 2 is connected with a spring 5, the other end of the iron core is connected with the sealing gasket 3, and the sealing gasket 3 is aligned to the air outlet 4. When the electromagnetic coil 6 of the electromagnetic valve is powered off, the sealing gasket 3 on the iron core 2 is propped against the air outlet 4 under the action of the spring 5, so that the carbon tank is closed; when the electromagnetic coil 6 is electrified, the iron core 2 drives the sealing gasket 3 to move towards the direction far away from the air outlet 4 under the action of the magnetic field of the electromagnetic coil 6, so that the carbon tank is opened. In the opening and closing processes, the sealing gasket 3 continuously collides with the air outlet 4 to cause abrasion, if the abrasion is large, the sealing is disabled, and therefore lubricating oil is coated on the surface of the sealing gasket 3 to play a role in lubricating and buffering, and the durability of the sealing gasket 3 is improved.
Further, a lubricant is covered on the surface of the sealing gasket 3, and the lubricant is molybdenum disulfide.
Molybdenum disulfide is a common lubricant in the market, and has the advantages of obvious lubricating effect and low cost.
Further, as shown in fig. 3, an annular groove 7 is formed on the upper surface of the gasket 3, and a lubricant is filled in the groove 7.
The surface of the sealing gasket 3 is provided with the annular groove 7, so that more lubricant can be coated on the surface of the sealing gasket 3.
Further, as shown in fig. 1 to 3, the top end of the gasket 3 is provided with a boss 8, and a groove 7 is formed on the upper surface of the boss 8. Thus, by providing the boss 8, it is possible to ensure that the gasket 3 can maintain sufficient strength even after the formation of the groove 7, and the provision of the groove 7 does not affect the service life of the gasket 3.
Further, as shown in fig. 1-2, the periphery of the bottom end of the gasket 3 is formed with a plurality of protrusions, the plurality of protrusions includes a plurality of first protrusions 9 and a plurality of second protrusions 10, the length of the first protrusions 9 is greater than the length of the second protrusions 10, and the plurality of first protrusions 9 and the plurality of second protrusions 10 are arranged in a staggered manner along the circumferential direction of the gasket 3.
The sealing pad is provided with bulges with two lengths, so that the flow precision of the air outlet can be controlled. For example, the first protrusion is set to be 1.5-2.5mm, the second protrusion is set to be 1-2mm, when the armature moves under the electromagnetic action, the first protrusion firstly supports against the limiting structure, the gap between the air outlet and the sealing gasket is smaller, and the air inflow is correspondingly smaller; when the electromagnetic force is increased, the armature continues to move until the second protrusion abuts against the limiting mechanism, the gap between the air outlet and the sealing gasket is larger, and the air outlet amount is correspondingly larger.
Further, the gasket 3 is a rubber member.
The soft rubber material has good sealing effect, wear resistance and low price, and can not generate too much noise when impacting the cover plate 12.
The solenoid valve according to the second aspect of the present invention will be described in detail with reference to the accompanying drawings.
The electromagnetic valve according to the second aspect of the present invention, as shown in fig. 4, includes a valve body 11, a cover plate 12, an armature 1, a spring 5, a stator 13, and an electromagnetic coil 6. A cavity is formed inside the valve body 11, and the bottom end of the valve body is provided with an air inlet 14; the cover plate 12 is arranged at the top end of the valve body 11, and the upper end of the cover plate 12 is provided with an air outlet 4 which can be communicated with the air inlet 14; the armature 1 is the armature 1 of the above embodiment, the armature 1 is installed in the chamber and the sealing gasket 3 abuts against the air outlet 4 of the cover plate 12; the spring 5 penetrates through the iron core 2 from the bottom end of the iron core 2, the top end of the spring 5 is connected with the inner top wall of the iron core 2, and the bottom end of the spring 5 protrudes out of the iron core 2; the stator 13 is arranged in the cavity and fixed below the iron core 2 in the armature 1, and the other end of the spring 5 is connected with the top end of the stator 13; the electromagnetic coil 6 is sleeved outside the iron core 2 in the stator 13 and the armature 1, when the electromagnetic coil 6 is de-energized, the sealing gasket 3 abuts against the air outlet 4 under the action of the spring 5 to close the air outlet 4, and when the electromagnetic coil 6 is energized, the iron core 2 and the sealing gasket 3 move under the action of the electromagnetic coil 6 to open the air outlet 4.
Further, as shown in fig. 4, a bottom plate 15 is further included. A first hole is formed in the bottom plate 15, the bottom plate 15 is fixed to the bottom end of the cover plate 12, the diameter of the first hole is smaller than that of the sealing gasket 3, and the armature 1 penetrates through the first hole and abuts against the bottom end of the cover plate 12.
The bottom plate 15 plays a limiting role in the moving process of the iron core 2, that is, when the iron core 2 and the sealing gasket 3 are far away from the air outlet 4 under the electromagnetic action and reach the position of the bottom plate 15, the bottom plate 15 can abut against the air outlet to stop the movement of the air outlet.
Further, as shown in fig. 4, a protective shell 16 is further included. The protective case 16 is formed in a U shape and a second hole is formed on the protective case 16, and the stator 13 is fixed on the protective case 16 through the second hole.
The U-shaped protective shell 16 can fix and protect the stator 13.
Further, as shown in fig. 4, a bobbin 17 is further included. The bobbin 17 is mounted in the chamber of the valve body 11, and the electromagnetic coil 6 is mounted on the bobbin 17.
The bobbin 17 can fix and protect the coil.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An armature for opening/closing an air outlet port of a solenoid valve by an electromagnetic coil, comprising:
an iron core formed in a barrel shape with an open bottom end;
a sealing gasket mounted on the top end of the core,
wherein, the top end of the sealing gasket is provided with a lubricant.
2. The armature of claim 1, wherein the lubricant covers a surface of the seal, and the lubricant is molybdenum disulfide.
3. The armature of claim 1, wherein an annular groove is formed on an upper surface of the sealing pad, and the lubricant is filled in the groove.
4. The armature of claim 3, wherein the top end of the sealing pad is provided with a boss, and the groove is formed on an upper surface of the boss.
5. The armature of claim 1, wherein a periphery of a bottom end of the seal pad is formed with a plurality of protrusions, the plurality of protrusions including a plurality of first protrusions and a plurality of second protrusions, a length of the first protrusions being greater than a length of the second protrusions, the plurality of first protrusions and the plurality of second protrusions being arranged in a crosswise spaced-apart relation along a circumferential direction of the seal pad.
6. The armature of claim 1 wherein said seal is a rubber member.
7. A solenoid valve, comprising:
the valve body is internally provided with a cavity, and the bottom end of the valve body is provided with an air inlet;
the cover plate is arranged at the top end of the valve body, and the upper end of the cover plate is provided with an air outlet which can be communicated with the air inlet;
an armature according to any one of claims 1 to 6, mounted in the chamber and the gasket abutting the outlet port of the cover plate;
the spring penetrates through the iron core from the bottom end of the iron core, the top end of the spring is connected with the inner top wall of the iron core, and the bottom end of the spring protrudes out of the iron core;
the stator is installed in the cavity and fixed below the iron core, and the other end of the spring is connected with the top end of the stator;
the electromagnetic coil is sleeved on the outer sides of the iron cores in the stator and the armature,
when the electromagnetic coil is de-energized, the sealing gasket is abutted against the air outlet under the action of the spring to close the air outlet,
when the electromagnetic coil is electrified, the iron core and the sealing gasket move under the action of the electromagnetic coil to open the air outlet.
8. The solenoid valve as claimed in claim 7, further comprising:
the bottom plate, be formed with first hole just on the bottom plate is fixed the apron bottom, first hole diameter is less than sealed pad diameter, wherein, the armature passes first hole butt is in the apron bottom.
9. The solenoid valve as claimed in claim 7, further comprising:
the protective housing, the protective housing forms into the U-shaped just be formed with the second hole on the protective housing, the stator passes the second hole is fixed on the protective housing.
10. The solenoid valve as set forth in claim 7 further comprising:
the coil framework is installed in the cavity of the valve body, and the electromagnetic coil is installed on the coil framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123083415.4U CN217401853U (en) | 2021-12-09 | 2021-12-09 | Armature and have its solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123083415.4U CN217401853U (en) | 2021-12-09 | 2021-12-09 | Armature and have its solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217401853U true CN217401853U (en) | 2022-09-09 |
Family
ID=83131570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123083415.4U Active CN217401853U (en) | 2021-12-09 | 2021-12-09 | Armature and have its solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217401853U (en) |
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2021
- 2021-12-09 CN CN202123083415.4U patent/CN217401853U/en active Active
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