CN216975953U - Miniature electromagnetic valve - Google Patents
Miniature electromagnetic valve Download PDFInfo
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- CN216975953U CN216975953U CN202220329940.5U CN202220329940U CN216975953U CN 216975953 U CN216975953 U CN 216975953U CN 202220329940 U CN202220329940 U CN 202220329940U CN 216975953 U CN216975953 U CN 216975953U
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Abstract
The utility model relates to a miniature electromagnetic valve, which comprises a shell (12), a driving part (13) and a valve core device (14), wherein the valve core device (14) comprises a valve seat (141) and a valve core (142), the driving part (13) comprises a coil (131) and a coil support (132), and the miniature electromagnetic valve is characterized in that one end part of the coil support (132) is provided with a first fluid port (133), the first fluid port (133) and the inner side wall of the coil support (132) form a fluid passage cavity (135), and the fluid passage cavity (135) and the valve seat (141) of the valve core device (14) are communicated with a second fluid port (134) in a sealing way. The fluid through hole device is arranged between the coil support and the valve core of the electromagnetic valve, when the electromagnetic valve is opened, the coil support is communicated with the bottom surface of the valve core through fluid, and the complex process of arranging the fluid through hole on the valve core is simplified.
Description
Technical Field
The utility model relates to an electromagnetic valve structure device, in particular to a fluid channel structure of a miniature electromagnetic valve, in particular to a miniature electromagnetic valve.
Background
The miniature electromagnetic valve is a flow control valve product which is smaller and lighter than a common electromagnetic valve product in volume, is applied to various daily equipment such as analytical instruments, medical instruments, cleaning and the like, and is small, exquisite, light and widely applied to various industries due to the characteristic. The structure is simple, and the design is reasonable, which is always one direction for pursuing the product quality.
As in the solenoid valve structure in the drawings, in the prior art structure in fig. 4, the spool 142 'is provided with a bottom-surface hole 20 and a side-surface hole 30 for circulation with the fluid of the fluid passage port 133' when the solenoid valve is opened, the spool 142 'interferes with the coil bobbin 132'. The processing of the through hole of the valve core not only increases the working hours and working procedures, but also has certain difficulty in the process.
Aiming at the problems of the defects, the utility model adopts the following technical scheme for improvement.
Disclosure of Invention
The utility model aims to provide a miniature electromagnetic valve, which adopts the technical scheme that:
a miniature electromagnetic valve (11) comprises a shell (12), a driving part (13) and a valve core device (14), wherein the shell (12) is formed by buckling a side shell (121) and a shell cover plate (122), the valve core device (14) comprises a valve seat (141), a valve core (142), a flexible plug (143) arranged on the valve core (142) and a spring (144) used for elastically connecting the valve seat and the valve core, the driving part (13) comprises a coil (131) and a coil support (132), and the miniature electromagnetic valve is characterized in that one end part of the coil support (132) is provided with a first fluid port (133), the first fluid port (133) and the inner side wall of the coil support (132) form a fluid channel cavity (135), and the fluid channel cavity (135) and the valve seat (141) of the valve core device (14) are hermetically communicated with a second fluid port (134).
Wherein, the fluid passage device (136) is arranged between the first fluid port (133) and the valve core (142), when the electromagnetic valve is opened and the valve core (142) is pushed to the end part of the first fluid port (133), the fluid communication is formed between the fluid passage cavity (135) formed by the inner side wall of the coil support (132) and the first fluid port (133) by the fluid passage device (136).
Furthermore, the fluid through hole device (136) is a through hole bracket (137) arranged on the inner bottom surface of the end part of the coil bracket (132).
Furthermore, the through hole bracket (137) is provided with a plurality of side through holes (1371).
Furthermore, the fluid through hole device (136) is a plurality of convex strips (138) arranged on the inner bottom surface of the end part of the coil support (132).
Furthermore, the plurality of convex strips (138) are arranged into four shapes which are arranged into a cross-shaped plane shape, and the periphery of the ports of the first fluid port (133) at the inner bottom surface of the end part of the coil support (132) is arranged in an array. The cross-shaped plane formed by four convex strips arrayed at the fluid outlet end on the bottom surface of the end part of the coil support is contacted with the bottom surface (1422) of the valve core (142) when the electromagnetic valve is opened, so that a large-area fluid channel is formed while stable plane interference is formed.
Furthermore, the fluid through hole device (136) is a flow-through side hole (139) formed by an end part (1421) of the flat valve core and an end part of the first fluid port (133).
Further, the width L of the end part (1421) of the flat valve core is smaller than the diameter R of the first fluid port (133). When the solenoid is turned on, the valve core (142) is abutted against the inner bottom surface of the end part of the coil support (132), and the end part (1421) of the flat valve core and the end part of the first fluid port (133) are provided with a gap fluid cavity channel for fluid circulation.
Furthermore, the fluid passage cavity (135) is in sealed communication with the valve seat (141) through a sealing ring (145) and communicated with the second fluid port (134). Therefore, the gap between the inner side wall of the coil support (132) and the valve core (142) is sealed to form the fluid channel cavity (135), the structure that a fluid through hole is formed in the valve core is omitted, the processing process cost is saved, and the product structure of the miniature electromagnetic valve is simplified.
According to the technical scheme, the utility model has the following beneficial effects:
according to the micro electromagnetic valve, the fluid through hole device is arranged between the coil support and the valve core of the electromagnetic valve, when the electromagnetic valve is opened, the coil support is communicated with the bottom surface of the valve core through fluid, and the complex process of arranging the fluid through hole on the valve core is simplified.
Drawings
FIG. 1 is a schematic overall structure of a preferred embodiment of the present invention;
FIG. 2 is an exploded view of the overall structure of the preferred embodiment of the present invention;
FIG. 3 is a cross-sectional view of the internal structure of the preferred embodiment of the present invention;
FIG. 4 is a schematic view of a prior art cartridge fluid passage of the present invention;
FIG. 5 is a schematic view of the mating of the coil carrier and the valve cartridge of the preferred embodiment of the present invention;
FIG. 6 is a diagram of a coil support bottom via support structure in accordance with an embodiment of the present invention;
FIG. 7 is a schematic view of a through hole bracket in a bottom cross-sectional view of a coil bracket in accordance with a preferred embodiment of the present invention;
FIG. 8 is a schematic diagram of a rib configuration in a cross-sectional view of the bottom of a coil support in another embodiment of the preferred embodiment of the present invention;
fig. 9 is a schematic view of a coil support and a flat end of a valve element in another embodiment of the preferred embodiment of the utility model.
Detailed Description
The utility model is further described with reference to the following drawings and detailed description.
As shown in fig. 1 and 2, a micro electromagnetic valve 11 includes a housing 12, a driving portion 13, and a valve core device 14, wherein the housing 12 is configured to be formed by fastening a side housing (121) and a housing cover 122, the valve core device 14 includes a valve seat 141, a valve core 142, a flexible plug 143 disposed on the valve core 142, and a spring 144 for elastically connecting the valve seat and the valve core, the driving portion 13 includes a coil 131 and a coil support 132, one end of the coil support 132 is provided with a first fluid port 133, the first fluid port 133 and an inner side wall of the coil support 132 form a fluid passage cavity 135, and the fluid passage cavity 135 and the valve seat 141 of the valve core device 14 are in sealed communication with a second fluid port 134.
As shown in fig. 3, there is further included a fluid passage hole device 136 provided between the first fluid port 133 and the spool 142, and fluid communication is established between the fluid passage chamber 135 formed in the inner side wall of the coil support 132 and the first fluid port 133 by the fluid passage hole device 136 when the spool 142 is pushed toward the end of the first fluid port 133 when the solenoid is opened.
As shown in fig. 5, 6 and 7, the fluid passage hole means 136 is a passage hole holder 137 provided on the inner bottom surface of the end portion of the coil holder 132.
As shown in fig. 7, via bracket 137 forms several side vias 1371.
As shown in fig. 5 and 8, the fluid hole device 136 is a plurality of ribs 138 disposed on the inner bottom surface of the end portion of the coil support 132. The plurality of ribs 138 are arranged in a cross-shaped planar shape in which the first fluid ports 133 are arranged in a peripheral array at the inner bottom surface of the end portion of the coil support 132. The cross-shaped plane formed by the four raised strips arranged in an array at the fluid outlet end on the bottom surface of the end part of the coil support is contacted with the bottom surface 1422 of the valve core 142 when the electromagnetic valve is opened, so that a large-area fluid channel is formed while stable plane interference is formed.
As shown in fig. 9, the fluid port arrangement 136 is a flow-through side hole 139 provided as an end 1421 of the flat spool and formed with an end of the first fluid port 133. The width L of the flat spool end 1421 is less than the diameter R of the first fluid port 133. Thus, when the solenoid is turned on, the valve element 142 abuts against the inner bottom surface of the end of the coil support 132, and the end 1421 of the flat valve element and the end of the first fluid port 133 have a slit fluid channel for fluid communication.
As shown in fig. 2 and 3, the fluid passage chamber 135 and the valve seat 141 are in sealed communication with the second fluid port 134 via a seal 145. Therefore, the gap between the inner side wall of the coil support 132 and the valve core 142 is sealed to form the fluid passage cavity 135, a structure that a fluid through hole is opened in the valve core is omitted, the processing process cost is saved, and the product structure of the miniature electromagnetic valve is simplified.
The above is one embodiment of the present invention. Furthermore, it is to be understood that all equivalent or simple changes in the structure, characteristics and principles of the present patent concepts are included in the scope of the present patent.
Claims (8)
1. A miniature electromagnetic valve comprises a shell (12), a driving part (13) and a valve core device (14), wherein the valve core device (14) comprises a valve seat (141) and a valve core (142), the driving part (13) comprises a coil (131) and a coil support (132), and the miniature electromagnetic valve is characterized in that one end part of the coil support (132) is provided with a first fluid port (133), the first fluid port (133) and the inner side wall of the coil support (132) form a fluid passage cavity (135), and the fluid passage cavity (135) and the valve seat (141) of the valve core device (14) are communicated with a second fluid port (134) in a sealing way;
wherein, also include the fluid through hole device (136) set up between stated first fluid port (133) and valve core (142), when the electromagnetic valve is opened the valve core (142) is pushed towards the end of the first fluid port (133), form the fluid communication between fluid channel cavity (135) and first fluid port (133) that the inner side wall of the coil support (132) forms by the stated fluid through hole device (136).
2. A miniature solenoid valve according to claim 1 wherein said fluid port means (136) is a port holder (137) disposed on the bottom surface within the end of said coil holder (132).
3. A micro-solenoid valve according to claim 2, characterised in that said through hole holder (137) forms a plurality of side through holes (1371).
4. A miniature solenoid valve according to claim 1 wherein said fluid port means (136) is a plurality of ribs (138) disposed on the bottom surface of the end of said coil support (132).
5. The micro solenoid valve as claimed in claim 4, wherein the plurality of ribs (138) are arranged in a cross-shaped planar shape with an array of first fluid ports (133) at the inner bottom surface of the end portion of the coil support (132) around the periphery of the ports.
6. A miniature solenoid valve according to claim 1 wherein said fluid port means (136) is a side vent opening (139) formed by the end of the flat spool (1421) and the end of the first fluid port (133).
7. A micro-solenoid valve according to claim 6, characterised in that the width L of the end of the flat spool part 1421 is smaller than the diameter R of the first fluid port 133.
8. A miniature solenoid valve according to claim 1 wherein said fluid passage chamber (135) is in sealed communication with said second fluid port (134) through a sealing ring (145) between said fluid passage chamber and said valve seat (141).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220329940.5U CN216975953U (en) | 2022-02-18 | 2022-02-18 | Miniature electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220329940.5U CN216975953U (en) | 2022-02-18 | 2022-02-18 | Miniature electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216975953U true CN216975953U (en) | 2022-07-15 |
Family
ID=82353068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220329940.5U Active CN216975953U (en) | 2022-02-18 | 2022-02-18 | Miniature electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216975953U (en) |
-
2022
- 2022-02-18 CN CN202220329940.5U patent/CN216975953U/en active Active
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