CN216045729U - Pneumatic electromagnetic valve - Google Patents
Pneumatic electromagnetic valve Download PDFInfo
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- CN216045729U CN216045729U CN202122502271.5U CN202122502271U CN216045729U CN 216045729 U CN216045729 U CN 216045729U CN 202122502271 U CN202122502271 U CN 202122502271U CN 216045729 U CN216045729 U CN 216045729U
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Abstract
The utility model relates to a pneumatic solenoid valve, comprising: the top of the shell is provided with at least two iron needles which adopt a groove-shaped structure and are used for gathering magnetism and fixing; the valve body is arranged in the groove-shaped structure of the shell in a penetrating way; the top of the valve body is positioned outside the shell and is fixed with the top of the shell through the iron needle; and the copper coil is wound outside the valve body positioned in the groove-shaped structure and is used for generating a magnetic field when being electrified. The utility model has simple structure and good air tightness and can be used in narrow space.
Description
Technical Field
The utility model relates to the technical field of electromagnetic valves, in particular to a pneumatic electromagnetic valve.
Background
The existing electromagnetic valve has various structures, but the existing electromagnetic valve has the problem of poor air tightness and is limited to be used in a narrow space.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a pneumatic solenoid valve which has a simple structure and good air tightness and can be used in a narrow space.
In order to achieve the purpose, the utility model adopts the following technical scheme: a pneumatic solenoid valve, comprising: the top of the shell is provided with at least two iron needles which adopt a groove-shaped structure and are used for gathering magnetism and fixing; the valve body is arranged in the groove-shaped structure of the shell in a penetrating way; the top of the valve body is positioned outside the shell and is fixed with the top of the shell through the iron needle; and the copper coil is wound outside the valve body positioned in the groove-shaped structure and is used for generating a magnetic field when being electrified.
Further, the valve body includes: the valve body is arranged in the groove-shaped structure, the copper coil is wound outside the valve body, and a cavity is arranged inside the valve body; the iron column is movably arranged at the upper part in the cavity of the valve body; the spring is arranged in the cavity of the valve body, and the first end of the spring is connected with the bottom of the iron column; the iron core is arranged at the bottom of the cavity of the valve body, the bottom of the cavity is sealed, the top of the iron core is connected with the second end of the spring, and the bottom of the iron core is fixed to the shell.
Furthermore, the top of the iron core is provided with a containing groove, and the second end of the spring is arranged in the containing groove and fixedly connected with the bottom of the containing groove.
Further, the iron column includes: the iron column body is of a cylindrical structure and is matched with the cavity; the T-shaped structure is integrally formed with the iron column body and is positioned at the top of the iron column body; the first silica gel groove is arranged at the bottom of the iron column body and is integrally formed with the iron column body; and a circle of first clamping grooves are formed in the first silica gel grooves.
Further, the iron column still includes: the first silica gel pad is correspondingly arranged outside the T-shaped structure and is of a semi-surrounding structure; the second clamping groove is formed between the top of the T-shaped structure and the iron column body, and the first silica gel pad is fixed outside the T-shaped structure through the second clamping groove; the second silica gel pad is correspondingly arranged in the first silica gel groove, a circle of protrusions are circumferentially arranged at the middle of the second silica gel pad, and the protrusions are embedded in the first clamping grooves.
Further, the iron column includes: the iron column body is of a cylindrical structure and is matched with the cavity; the first silica gel groove is arranged at the bottom of the iron column body and is integrally formed with the iron column body; a circle of first clamping grooves are formed in the first silica gel groove; the second silica gel groove, with iron prop body integrated into one piece is located the top of iron prop body, just the second silica gel inslot is provided with round third draw-in groove.
Further, the iron column still includes: the second silica gel pad is correspondingly arranged in the first silica gel groove, a circle of bulges are circumferentially arranged in the middle of the second silica gel pad, and the bulges are embedded in the first clamping groove; and the third silica gel pad is correspondingly arranged in the second silica gel groove, a circle of protrusion is circumferentially arranged at the middle part of the third silica gel pad, and the protrusion is embedded in the third clamping groove.
Further, the valve body still includes: the two sides of the air outlet connector are fixed on the top of the shell through the iron needles, the bottom of the air outlet connector is connected with the top of the valve body, and an air outlet channel in the air outlet connector is communicated with the cavity; the first air inlet connector is perpendicular to the air outlet connector, is positioned at the bottom of the air outlet connector, and is provided with an air inlet end connected with an air inlet pipeline and an opening at the tail end, and the opening is communicated with the cavity; and the first end of the second air inlet connector is connected with the tail end of the first air inlet connector through a sealing ring, and the second end of the second air inlet connector is connected with the air inlet pipeline.
Furthermore, the first air inlet connector adopts a reducing structure, and is reduced from the air inlet end to the tail end; the inner diameter of the air inlet end of the first air inlet connector is larger than that of the second air inlet connector.
Furthermore, two end parts of the groove-shaped structure of the shell are respectively provided with an embedded needle, and the embedded needles are connected with the copper coil and used as a power supply interface of the copper coil.
Due to the adoption of the technical scheme, the utility model has the following advantages:
1. the utility model has simple structure, compact design and small volume, and can be applied to narrow space.
2. The air inlet and the air outlet of the utility model adopt double-air-path separation, can realize modular design, and determine different electromagnetic valve quantities according to different requirements.
3. The utility model has good air tightness, can adapt to the working environment with large flow and small flow, and can ensure no air leakage and no air leakage under the working condition of-25 to 65 ℃.
4. The utility model has low working noise.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a pneumatic solenoid valve according to an embodiment of the present invention;
FIG. 2 is a side view of a pneumatic solenoid valve in an embodiment of the present invention;
FIG. 3 is a cross-sectional view of an embodiment of the pneumatic solenoid valve of the present invention shown in the non-operating position;
FIG. 4 is a cross-sectional view of the pneumatic solenoid valve in operation in accordance with an embodiment of the present invention;
FIG. 5 is a first structural diagram of an iron post of a solenoid valve with a silicone gasket according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a second structure of an iron column of an electromagnetic valve with a silicone gasket according to an embodiment of the present invention
FIG. 7 is a first structural schematic diagram of an iron post of the solenoid valve according to an embodiment of the present invention;
fig. 8 is a second structural schematic diagram of an iron column of the solenoid valve according to an embodiment of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model, are within the scope of the utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In one embodiment of the present invention, as shown in fig. 1 and 2, there is provided a pneumatic solenoid valve including:
the magnetic field collecting device comprises a shell 1, a magnetic field collecting device and a magnetic field collecting device, wherein the top of the shell 1 is provided with at least two iron needles which adopt groove-shaped structures and are used for collecting magnetic fields and fixing;
the valve body 2 is arranged in the groove-shaped structure of the shell 1 in a penetrating way; the top of the valve body 2 is positioned outside the shell 1 and is fixed with the top of the shell 1 through an iron needle;
the copper coil 3 can generate a magnetic field when being electrified, is wound outside the valve body 2 positioned in the groove-shaped structure and is used for generating the magnetic field when being electrified.
In a preferred embodiment, as shown in fig. 3 and 4, the valve body 2 includes:
the valve body 21 is arranged in the groove-shaped structure, the copper coil 3 is wound outside the valve body 21, and a cavity is arranged inside the valve body 21;
the iron column 22 is movably arranged at the upper part in the cavity of the valve body 21 and can move up and down in the cavity when in use;
the spring 23 is arranged in the cavity of the valve body 21, and the first end of the spring 23 is connected with the bottom of the iron column 22;
and the iron core 24 is arranged at the bottom of the cavity of the valve body 21, the bottom of the cavity is sealed, the top of the iron core 24 is connected with the second end of the spring 23, and the bottom of the iron core 24 is fixed at the bottom of the groove-shaped structure of the shell 1.
In this embodiment, the iron post 22 and the iron core 24 are made of pure iron or modified iron.
In a preferred embodiment, the top of the iron core 24 is provided with a receiving groove, and the second end of the spring 23 is disposed in the receiving groove and fixedly connected to the bottom of the receiving groove.
In a preferred embodiment, as shown in fig. 5 and 7, the iron post 22 includes:
the iron column body 221 is of a cylindrical structure and is matched with the cavity;
a T-shaped structure 222 integrally formed with the iron column body 221 and located at the top of the iron column body 221;
a first silica gel groove 223 formed at the bottom of the iron column body 221 and integrally formed with the iron column body 221; and be provided with the first draw-in groove 2231 of round in the first silica gel groove 223, prevent effectively through first draw-in groove 2231 that the silica gel pad from droing when reciprocating and cold and hot inflation shrink.
Preferably, the iron post 22 further includes:
the first silica gel pad 224 is correspondingly arranged outside the T-shaped structure 222 and is of a semi-surrounding structure, and the cavity and the opening 261 are sealed through the first silica gel pad 224;
the second clamping groove 225 is formed between the top of the T-shaped structure 222 and the iron column body 221, and the first silica gel pad 224 is fixed outside the T-shaped structure 222 through the second clamping groove 225, so that the silica gel pad is effectively prevented from falling off during up-and-down movement and cold-heat expansion and contraction;
the second silicone rubber pad 226 is correspondingly arranged in the first silicone rubber groove 223, a circle of bulges are arranged on the middle part of the second silicone rubber pad 226 in the circumferential direction, and the bulges are embedded in the first clamping groove 2231;
the sealing is performed by the first silicone rubber pad 224 and the second silicone rubber pad 226.
The structure of the iron pillar 22 in the above embodiment is suitable for a larger air inlet hole (i.e. the opening 261), and when the temperature is high, the expansion coefficient of the silica gel is larger than that of pure iron, so as to avoid the leakage problem caused by the uneven surface due to the expansion of the silica gel pad.
In a preferred embodiment, as shown in fig. 6 and 8, the iron post 22 includes:
the iron column body 221 is of a cylindrical structure and is matched with the cavity;
a first silica gel groove 223 formed at the bottom of the iron column body 221 and integrally formed with the iron column body 221; a circle of first clamping grooves 2231 are formed in the first silica gel groove 223;
second silica gel groove 227, with iron prop body 221 integrated into one piece, be located the top of iron prop body 221, and be provided with round third draw-in groove 2271 in the second silica gel groove 227, effectively prevent through first draw-in groove 2231 and third draw-in groove 2271 that the silica gel pad from droing when reciprocating and cold and hot inflation shrink.
Preferably, the iron pillar further comprises:
the second silicone rubber pad 226 is correspondingly arranged in the first silicone rubber groove 223, a circle of bulges are arranged on the middle part of the second silicone rubber pad 226 in the circumferential direction, and the bulges are embedded in the first clamping groove 2231;
the third silicone rubber pad 228 is correspondingly arranged in the second silicone rubber groove 227, a circle of protrusions are arranged on the middle portion of the third silicone rubber pad 228 in the circumferential direction, the protrusions are embedded in the third clamping groove 2271, and sealing between the cavity and the opening 261 is achieved through the third silicone rubber pad 228.
The iron pillar 22 structure in the above embodiment is suitable for a smaller air inlet hole (i.e. the opening 261), and the sealing effect is better because the thickness of the silicone gasket seal is larger.
Preferably, the bottom of the second silicone rubber pad 226 slightly protrudes out of the iron column body 221, that is, the installation position is a little higher than the bottom plane of the iron column body 221, when the iron column 22 and the iron core 24 are attracted, the second silicone rubber pad 226 contacts with the iron core 24, and noise generated by metal collision is avoided.
In a preferred embodiment, the valve body 2 further comprises:
the two sides of the air outlet connector 25 are fixed on the top of the shell 1 through iron needles, the bottom of the air outlet connector 25 is connected with the top of the valve body 21, and an air outlet channel 251 in the air outlet connector 25 is communicated with the cavity;
the first air inlet connector 26 is perpendicular to the air outlet connector 25, is positioned at the bottom of the air outlet connector 25, is connected with an air inlet pipeline at the air inlet end, and is provided with an opening 261 at the tail end, and the opening 261 is communicated with the cavity;
the first end of the second air inlet connector 27 is connected with the tail end of the first air inlet connector 26 through a sealing ring 271, and the second end of the second air inlet connector is connected with an air inlet pipeline, so that the modular design is realized.
Preferably, the first air intake connector 26 is of a tapered structure, and is tapered from the air intake end to the tail end. The first inlet connection 26 has an inner diameter at its inlet end which is greater than the inner diameter of the second inlet connection 27.
In a preferred embodiment, two ends of the groove-shaped structure of the housing 1 are respectively provided with pre-embedded needles 4, and the pre-embedded needles 4 are connected with the copper coil 3 to serve as power supply interfaces of the copper coil 3.
In summary, as shown in fig. 1 to 4, when the solenoid valve operates, the copper coil 3 supplies power to generate a magnetic field, the iron post 22 and the iron core 24 generate a magnetic attraction force, the spring 23 is compressed, the opening 261 and the air outlet channel 251 are connected through the cavity, and air can pass through the opening 261 and the air outlet channel 251.
When the power is cut off, the magnetic field disappears, the iron column 22 moves upwards to prop against the opening 261 under the action of the elastic force of the spring 23, and the connection between the opening 261 and the cavity is cut off, so that gas cannot pass through.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A pneumatic solenoid valve, comprising:
the top of the shell is provided with at least two iron needles which adopt a groove-shaped structure and are used for gathering magnetism and fixing;
the valve body is arranged in the groove-shaped structure of the shell in a penetrating way; the top of the valve body is positioned outside the shell and is fixed with the top of the shell through the iron needle;
and the copper coil is wound outside the valve body positioned in the groove-shaped structure and is used for generating a magnetic field when being electrified.
2. The pneumatic solenoid valve according to claim 1, wherein said valve body comprises:
the valve body is arranged in the groove-shaped structure, the copper coil is wound outside the valve body, and a cavity is arranged inside the valve body;
the iron column is movably arranged at the upper part in the cavity of the valve body;
the spring is arranged in the cavity of the valve body, and the first end of the spring is connected with the bottom of the iron column;
the iron core is arranged at the bottom of the cavity of the valve body, the bottom of the cavity is sealed, the top of the iron core is connected with the second end of the spring, and the bottom of the iron core is fixed to the shell.
3. The pneumatic solenoid valve according to claim 2, wherein the top of the iron core is provided with a receiving groove, and the second end of the spring is disposed in the receiving groove and fixedly connected to the bottom of the receiving groove.
4. The pneumatic solenoid valve according to claim 2, wherein said iron post comprises:
the iron column body is of a cylindrical structure and is matched with the cavity;
the T-shaped structure is integrally formed with the iron column body and is positioned at the top of the iron column body;
the first silica gel groove is arranged at the bottom of the iron column body and is integrally formed with the iron column body; and a circle of first clamping grooves are formed in the first silica gel grooves.
5. The pneumatic solenoid valve according to claim 4, wherein said iron post further comprises:
the first silica gel pad is correspondingly arranged outside the T-shaped structure and is of a semi-surrounding structure;
the second clamping groove is formed between the top of the T-shaped structure and the iron column body, and the first silica gel pad is fixed outside the T-shaped structure through the second clamping groove;
the second silica gel pad is correspondingly arranged in the first silica gel groove, a circle of protrusions are circumferentially arranged at the middle of the second silica gel pad, and the protrusions are embedded in the first clamping grooves.
6. The pneumatic solenoid valve according to claim 2, wherein said iron post comprises:
the iron column body is of a cylindrical structure and is matched with the cavity;
the first silica gel groove is arranged at the bottom of the iron column body and is integrally formed with the iron column body; a circle of first clamping grooves are formed in the first silica gel groove;
the second silica gel groove, with iron prop body integrated into one piece is located the top of iron prop body, just the second silica gel inslot is provided with round third draw-in groove.
7. The pneumatic solenoid valve as recited in claim 6 wherein said iron post further comprises:
the second silica gel pad is correspondingly arranged in the first silica gel groove, a circle of bulges are circumferentially arranged in the middle of the second silica gel pad, and the bulges are embedded in the first clamping groove;
and the third silica gel pad is correspondingly arranged in the second silica gel groove, a circle of protrusion is circumferentially arranged at the middle part of the third silica gel pad, and the protrusion is embedded in the third clamping groove.
8. The pneumatic solenoid valve of claim 2, wherein said valve body further comprises:
the two sides of the air outlet connector are fixed on the top of the shell through the iron needles, the bottom of the air outlet connector is connected with the top of the valve body, and an air outlet channel in the air outlet connector is communicated with the cavity;
the first air inlet connector is perpendicular to the air outlet connector, is positioned at the bottom of the air outlet connector, and is provided with an air inlet end connected with an air inlet pipeline and an opening at the tail end, and the opening is communicated with the cavity;
and the first end of the second air inlet connector is connected with the tail end of the first air inlet connector through a sealing ring, and the second end of the second air inlet connector is connected with the air inlet pipeline.
9. The pneumatic solenoid valve as claimed in claim 8, wherein said first air inlet connector is of a tapered structure, tapering from said air inlet end to said terminal end;
the inner diameter of the air inlet end of the first air inlet connector is larger than that of the second air inlet connector.
10. The pneumatic electromagnetic valve according to claim 1, wherein pre-embedded needles are respectively disposed at two ends of the groove-shaped structure of the housing, and the pre-embedded needles are connected to the copper coil to serve as power supply interfaces of the copper coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122502271.5U CN216045729U (en) | 2021-10-18 | 2021-10-18 | Pneumatic electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122502271.5U CN216045729U (en) | 2021-10-18 | 2021-10-18 | Pneumatic electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216045729U true CN216045729U (en) | 2022-03-15 |
Family
ID=80549292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122502271.5U Active CN216045729U (en) | 2021-10-18 | 2021-10-18 | Pneumatic electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216045729U (en) |
-
2021
- 2021-10-18 CN CN202122502271.5U patent/CN216045729U/en active Active
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