CN217977647U - Normally open type miniature electromagnetic valve - Google Patents
Normally open type miniature electromagnetic valve Download PDFInfo
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- CN217977647U CN217977647U CN202222273582.3U CN202222273582U CN217977647U CN 217977647 U CN217977647 U CN 217977647U CN 202222273582 U CN202222273582 U CN 202222273582U CN 217977647 U CN217977647 U CN 217977647U
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- rubber plug
- electromagnetic valve
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- baffle
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Abstract
The utility model relates to a little solenoid valve technical field discloses a miniature solenoid valve of open in usual, including the apron, with the shell that the apron lock formed accommodation space, be located the coil in the accommodation space, with the coil relative spacing and the suspension baffle in the accommodation space, one end is connected the shell, the other end is connected the baffle and is suspended the baffle in the spring in the accommodation space, gomphosis is fixed and is protruded in the plug on baffle surface; the shell is provided with an air inlet hole under the rubber plug, and the cover plate is provided with an air outlet hole over the rubber plug. The beneficial effects are as follows: the normally open type miniature electromagnetic valve is simple in structure and small in size, the baffle is controlled to descend through the coil, the air inlet hole is blocked by the rubber plug, the coil is powered off, the rubber plug on the spring force supporting baffle is far away from the air inlet hole, the air inlet hole is opened or closed by the rubber plug in the up-and-down movement process, and the opening or closing effect of the electromagnetic valve is achieved.
Description
Technical Field
The utility model relates to a little solenoid valve technical field, in particular to miniature solenoid valve open in usual.
Background
The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid and belongs to an actuator.
The miniature electromagnetic valve is a flow control valve product which is smaller and lighter than a common electromagnetic valve product, is applied to various daily equipment such as analytical instruments, medical instruments and cleaning, and is small, exquisite, portable and widely applied to various industries due to the characteristic.
The existing miniature electromagnetic valve has the advantages of complex structure, large occupied space, simple structure and reasonable design, and is the design direction of the existing miniature electromagnetic valve.
SUMMERY OF THE UTILITY MODEL
For overcoming the problem that miniature solenoid valve structure is complicated among the prior art, occupation space is big, the utility model discloses a normally open miniature solenoid valve. The specific technical scheme is as follows:
a normally open type miniature electromagnetic valve comprises a cover plate, a shell, a coil, a partition plate, a spring and a rubber plug, wherein the shell is buckled with the cover plate to form an accommodating space, the coil is positioned in the accommodating space, the partition plate is opposite to the coil at a certain interval and is suspended in the accommodating space, one end of the spring is connected with the shell, the other end of the spring is connected with the partition plate, and the partition plate is suspended in the accommodating space; the shell is provided with an air inlet hole right below the rubber plug, and the cover plate is provided with an air outlet hole right above the rubber plug; the rubber plug can move downwards along with the clapboard to block the air inlet hole.
Furthermore, the rubber plug is of a convex column structure and comprises a top and a bottom which are both cylindrical; the top of the baffle plate is fixed on the baffle plate and protrudes out of the upper surface of the baffle plate, and the area of the top of the baffle plate is smaller than that of the air outlet hole; the bottom protrudes out of the lower surface of the partition plate, and the area of the bottom is larger than that of the air inlet hole.
Furthermore, a blind groove is concavely arranged in the middle of the inner surface of the cover plate, an air outlet hole penetrating through the cover plate is formed in the middle of the blind groove, and a penetrating lead leading-out hole is formed in one side of the air outlet hole.
Furthermore, terminals are arranged at four corners of the cover plate; and the two terminals close to one side of the lead leading-out hole are used for externally connecting electricity and fixing the electromagnetic valve, and the two terminals far away from one side of the lead leading-out hole are used for fixing the electromagnetic valve.
Further, the shell comprises an integrally formed plastic shell and an iron core.
Further, the iron core comprises a pole core and a magnetic yoke which are integrally arranged; the magnetic yoke comprises an end plate positioned at the bottom and a side plate extending to one side from the edge of the end plate; the pole core is arranged in the center of the end plate and at the same side as the side plate, and a second through hole is formed in the middle of the pole core.
Furthermore, the shell is of a cylindrical structure formed by integral injection molding and comprises a bottom wall and a side wall formed by extending from the edge of the bottom wall in the same direction; a first through hole penetrating through the bottom wall is formed in the middle of the bottom wall, and the first through hole is matched with the pole core.
Further, the pole piece, the yoke, and the case are concentrically disposed.
Furthermore, the free end face of the pole core is uniformly provided with at least 2 notches.
Furthermore, the partition board is of a circular and centrosymmetric plate-shaped structure, the center of the partition board is provided with a mounting hole for clamping the rubber plug, the edges of the left side and the right side of the partition board are provided with openings, and the upper side and the lower side of the partition board are provided with third through holes.
The beneficial effects of the utility model are that: the normally open type miniature electromagnetic valve is simple in structure and small in size, the baffle is controlled to descend through the coil, the air inlet hole is blocked by the rubber plug, the coil is powered off, the rubber plug on the spring force supporting baffle is far away from the air inlet hole, the air inlet hole is opened or closed by the rubber plug in the up-and-down movement process, and the opening or closing effect of the electromagnetic valve is achieved.
Drawings
Fig. 1 is an exploded view of the structure of the present invention.
Fig. 2 is a schematic structural diagram of the back of the cover plate of the present invention.
Fig. 3 is a schematic structural diagram of the front side of the cover plate of the present invention.
Fig. 4 is a schematic structural diagram of the housing of the present invention.
Fig. 5 is a schematic structural diagram of the housing of the present invention.
Fig. 6 is a schematic structural diagram of the iron core of the present invention.
Fig. 7 is a schematic structural diagram of the separator of the present invention.
Fig. 8 is a sectional view of the present invention.
Wherein:
1-cover plate; 11-air outlet; 12-lead outlet holes; 13-card slot; 14-a terminal; 15-blind groove;
2-a housing; 21-a housing; 211 — bottom wall; 212 — a side wall; 213 — a first via;
22-iron core; 221-pole piece; 222-a magnetic yoke; 223 — a second via; 224-a gap;
3-a coil;
4, a partition board; 41-third through hole; 42-an opening; 43-mounting holes;
5-a spring;
6-rubber plug.
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 utility model provides a miniature solenoid valve of open in usual, as shown in figure 1, including apron 1, with apron 1 lock formation accommodation space's shell 2, be located accommodation space's coil 3, set up baffle 4 in accommodation space with coil 3 relative interval, one end is connected shell 2 other end and is connected baffle 4 and suspend baffle 4 in accommodation space's spring 5, gomphosis fixed and protrusion in the plug 6 on baffle 4 surface.
The structure of apron 1 is as shown in fig. 2 and 3, and blind groove 15 has been seted up at the lower surface middle part, and blind groove 15 middle part is provided with venthole 11 that link up, and the area of blind groove 15 is greater than venthole 11, and blind groove 15 is used for increasing the inside fluid passage of valve body and is connected to venthole 11, ensures that the air current smoothly discharges from venthole 11. One side of the blind groove 15 is provided with a lead wire leading-out hole 12 penetrating through the cover plate 1, the lead wire leading-out hole 12 is used for leading a lead wire of the coil 3 to pass through and externally connected with electricity, and the edge of the cover plate 1 is provided with an annular clamping groove 13 matched and clamped with the shell 2. Four corners of the lower surface of the cover plate 1 extend downwards to form pillars (not marked) for limiting the shell 2, and the pillars are positioned on the outer side of the clamping groove 13. Four corners of the upper surface of the cover plate 1 outside the accommodating space are provided with terminals 14, two terminals 14 near one side of the wire leading-out hole 12 are used for connecting leads of the coil 3 to realize external connection and fixing of the electromagnetic valve, and two terminals 14 far away from one side of the wire leading-out hole 12 are only used for fixing of the electromagnetic valve.
The structure of the housing 2 is shown in fig. 4, and includes a casing 21 and an iron core 22 which are integrally injection-molded, the casing 21 is made of plastic material, and the iron core 22 is made of magnetic conductive metal material.
The structure of the housing 21 is as shown in fig. 5, the housing 21 is a cylindrical structure, and includes a bottom wall 211, a side wall 212 formed by bending and extending upward from the edge of the bottom wall 211, and a first through hole 213 located in the middle of the bottom wall 211 and penetrating through the bottom wall 211. Wherein lateral wall 212 and the draw-in groove 13 block of apron 1, the surface that four stands of apron 1 butt lateral wall 212 is used for spacing shell 2, encloses between diapire 211, lateral wall 212 and the apron 1 and closes and form accommodation space.
The structure of the iron core 22 is as shown in fig. 6, the iron core 22 is a cylindrical structure, and includes a pole piece 221 and a magnetic yoke 222 which are formed by machining in an integrated machine, the magnetic yoke 222 includes an end plate (not marked) at the bottom and a side plate (not marked) which is vertically bent and extended from the end plate to one side, the pole piece 221 is located in the magnetic yoke 222, one end of the pole piece 221 is connected to the end plate, and the other end of the pole piece 221 is outwardly extended in the same side direction of the side plate. The middle part of the pole piece 221 is provided with a second through hole 223 which is an air inlet hole of the electromagnetic valve. The pole piece 221 and the yoke 222 are members for guiding magnetic lines of force in the electromagnet, and preferably, a magnetic conductive material such as pure iron is used. The coil 3 is wound around the outer periphery of the pole piece 221 and located between the pole piece 221 and the yoke 222, and when the coil 3 is energized to generate a magnetic force in the iron core 22, the yoke 222 attracts the separator 4 to descend. The height of coil 3 is less than the height of yoke 222 curb plate, and pole piece 221 and yoke 222 are located same height, can be in baffle 4 decline in-process butt baffle 4 simultaneously can not bump coil 21, ensure the reliability of solenoid valve power supply. The pole piece 221 is provided with a groove (not marked) on one side far away from the end plate for limiting the rubber plug 6, the reliability of closing the gas passage is guaranteed, the free end surface of the groove is further provided with a plurality of symmetrically arranged notches 224, and after the rubber plug 6 is jacked up, the notches 224 are used for releasing air, so that the gas flow can be discharged more conveniently. The spring 5 is arranged between the side plate of the magnetic yoke 222 and the side wall 212 of the shell 21, the free height of the spring 5 is higher than the height of the side plate of the magnetic yoke 222, the magnetic yoke 222 cannot be abutted by the partition plate 4 of the electromagnetic valve in the initial state that the coil 3 is not electrified, the rubber plug 6 cannot block the second through hole 223, and the electromagnetic valve is kept in a normally open state. The first through hole 213 and the second through hole 223 are concentrically arranged to secure the pole piece 221, the yoke 222, and the case 21 to be concentrically arranged, thereby securing the stability of the up-and-down movement of the diaphragm 4.
As shown in fig. 7, the separator 4 has a circular, center-symmetric plate-like structure, specifically, a cold-rolled steel plate. The center of the clapboard 4 is provided with a mounting hole 43 used for clamping the rubber plug 6, the left side and the right side are provided with a U-shaped opening 42 used for leading wires to pass through, and the upper side and the lower side are provided with third through holes 41 used for fluid circulation. The spring 5 is supported on the lower surface of the partition plate 4.
The rubber plug 6 is shown in fig. 8 and is in a convex column structure, and comprises a top and a bottom which are both cylinders. The top of the rubber plug 6 is fixed to the mounting hole 43, and both the top (not labeled) and the bottom (not labeled) protrude from the surface of the partition board. The top is located under the venthole 11, and the bottom is located directly over the second through-hole 223, and the top area is less than the venthole 11 area, and the bottom area is greater than the second through-hole 223 area for the solenoid valve is under the initial condition of outage, and the gas-liquid can get into from the second through-hole 223, flows through the third through-hole 41, and discharges from the venthole 11, keeps the solenoid valve in the open mode.
As shown in fig. 8, when the electromagnetic valve is powered off, the partition plate 4 makes the rubber plug 6 away from the second through hole 223 under the supporting force of the spring 5, the electromagnetic valve is in an open state, and the air can enter from the air inlet hole of the housing 2, enter into the electromagnetic valve body, and then flow through the third through hole 41 of the partition plate 4 and flow out from the air outlet hole 11 of the cover plate 1. When the solenoid valve circular telegram, circular telegram coil 3 makes iron core 22 produce magnetic force, and baffle 4 drives plug 6 downstream under the appeal effect of yoke 222, finally with the top butt of utmost point core 221 and yoke 222, second through-hole 223 is blockked up to plug 6 bottom of plug, closes the inlet port of solenoid valve.
The utility model discloses the solenoid valve product can use on intelligent bracelet for the blood pressure rhythm of the heart is measured in the cooperation.
It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "horizontal", "vertical" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A normally open type miniature electromagnetic valve is characterized by comprising a cover plate, a shell, a coil, a partition plate, a spring and a rubber plug, wherein the shell is buckled with the cover plate to form an accommodating space, the coil is positioned in the accommodating space, the partition plate is opposite to the coil at a certain interval and is suspended in the accommodating space, one end of the spring is connected with the shell, the other end of the spring is connected with the partition plate and is suspended in the accommodating space, and the rubber plug is fixedly embedded and protrudes out of the surface of the partition plate; the shell is provided with an air inlet hole right below the rubber plug, and the cover plate is provided with an air outlet hole right above the rubber plug; the rubber plug can move downwards along with the clapboard to block the air inlet hole.
2. The micro electromagnetic valve according to claim 1, wherein the rubber plug is in a structure of a cylinder in a shape like a Chinese character 'tu', and comprises a top part and a bottom part which are both cylindrical; the top part is fixed on the clapboard and protrudes out of the upper surface of the clapboard, and the area of the top part is smaller than that of the air outlet hole; the bottom of the baffle plate protrudes out of the lower surface of the baffle plate, and the area of the bottom of the baffle plate is larger than that of the air inlet hole.
3. The miniature electromagnetic valve according to claim 1, wherein a blind groove is concavely arranged in the middle of the inner surface of the cover plate, an air outlet hole penetrating through the cover plate is arranged in the middle of the blind groove, and a penetrating lead wire leading-out hole is arranged on one side of the air outlet hole.
4. The micro electromagnetic valve according to claim 3, wherein terminals are arranged at four corners of the cover plate; and the two terminals close to one side of the lead leading-out hole are used for externally connecting electricity and fixing the electromagnetic valve, and the two terminals far away from one side of the lead leading-out hole are used for fixing the electromagnetic valve.
5. The micro solenoid valve of claim 1, wherein the housing comprises an integrally formed plastic housing and a core.
6. The micro electromagnetic valve according to claim 5, wherein the iron core comprises a pole core and a yoke which are integrally provided; the magnetic yoke comprises an end plate positioned at the bottom and a side plate extending to one side from the edge of the end plate; the pole core is arranged in the center of the end plate and at the same side as the side plate, and a second through hole is formed in the middle of the pole core.
7. The miniature solenoid valve of claim 6 wherein said housing is a cylindrical structure formed by injection molding, and includes a bottom wall, and a side wall extending from the edge of the bottom wall in the same direction; the bottom wall middle part forms the first through-hole that link up the diapire, first through-hole with the utmost point core adaptation.
8. The micro solenoid valve according to claim 7, wherein the pole piece, the yoke, and the housing are concentrically arranged.
9. The miniature solenoid valve of claim 8 wherein said free end surface of said pole piece is uniformly provided with at least 2 notches.
10. The micro electromagnetic valve according to claim 1, wherein the partition is a circular and centrosymmetric plate-shaped structure, a mounting hole for engaging the rubber plug is formed in the center, openings are formed in the edges of the left side and the right side, and third through holes are formed in the upper side and the lower side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222273582.3U CN217977647U (en) | 2022-08-29 | 2022-08-29 | Normally open type miniature electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222273582.3U CN217977647U (en) | 2022-08-29 | 2022-08-29 | Normally open type miniature electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217977647U true CN217977647U (en) | 2022-12-06 |
Family
ID=84262040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222273582.3U Active CN217977647U (en) | 2022-08-29 | 2022-08-29 | Normally open type miniature electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217977647U (en) |
-
2022
- 2022-08-29 CN CN202222273582.3U patent/CN217977647U/en active Active
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