CN208871085U - A kind of solenoid valve - Google Patents

Abstract

The utility model relates to a kind of solenoid valves, include: valve body, core assembly, electromagnetic assembly, sealing part, sealing element and driving member；Valve body has valve chamber, feed pathway, the first liquid outlet channel, the second liquid outlet channel, iron core channel for accommodating sealing part；Sealing element and driving member, which match, isolates iron core channel and valve chamber, the first liquid outlet channel；Dynamic iron core includes to be slidably connected to slide connecting part and stem；Valve body has cricoid clamping groove, and sealing element has middle part, positioned at middle part periphery and the external end edge that is connected in clamping groove；Stem passes through the middle part of sealing element, and driving member is socketed on stem on the part of the middle part of sealing element, and middle part is clamped between the driving member and slide connecting part；One of cell wall and external end edge of the clamping groove have the first limiting slot of annular, wherein another first limiting section with the corresponding annular being connected in the first limiting slot.This programme helps avoid outer end and originates from the air-tightness that clamping groove skids off and influences solenoid valve.

Description

A kind of solenoid valve

Technical field

The utility model relates to valve arrangements, and in particular, to a kind of solenoid valve.

Background technique

Three-way magnetic valve is a kind of relatively conventional solenoid valve, by taking patent application CN201510638821.2 as an example, in conjunction with Fig. 3 of the patent application, the solenoid valve have valve chamber, the spool positioned at valve chamber, sealing ring, the valve rod for being connected to dynamic iron core, valve Core retainer plate is connected on valve rod.Dynamic iron core is movable by electromagnetic drive, is able to drive spool and blocks different channels, to switch feed liquor The connected relation in channel and two liquid outlet channels.Program sealing ring is on valve rod, and sealing ring is adjacent to accommodating dynamic iron core The inner wall in channel, to prevent fluid from flowing in dynamic iron core through valve chamber, flow to dynamic iron core to avoid the fluid for flowing through solenoid valve and Corrode dynamic iron core.It is disadvantageous in that existing for patent application CN201510638821.2, sealing ring is by being adjacent in channel Wall is sealed, and after long-term use, there may be gaps for sealing ring and vias inner walls, and lead to the air-tightness of integral passage Decline, and then influence the quality of solenoid valve.In view of this, special propose the application.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of solenoid valves to be made with solving existing solenoid valve for a long time Used time sealing ring and vias inner walls influence air-tightness there may be gap.

In order to solve the above technical problems, the utility model provides a kind of solenoid valve, include: valve body, core assembly, electromagnetism group Part, sealing part, sealing element and driving member；The feed liquor that valve body has the valve chamber for accommodating sealing part and is respectively communicated in valve chamber is logical Road, the first liquid outlet channel, the second liquid outlet channel, the iron core channel configured with the core assembly；Core assembly include dynamic iron core, Static iron core and positioned at elastic component between the two, dynamic iron core is connected to sealing part by driving member；Electromagnetic assembly is dynamic to control Iron core is axially moveable with respect to iron core channel so that sealing part the first outlet passage water inlet and the second outlet passage into Switch between the mouth of a river；Sealing element and driving member, which match, isolates iron core channel and valve chamber, the first liquid outlet channel；The dynamic iron Core includes the slide connecting part being slidably connected in iron core channel and the stem for being connected to slide connecting part, and elastic component is located at slide connecting part and static iron core Between, stem axially extends；The valve body has cricoid clamping groove, and the sealing element has middle part, is located at centre Portion periphery and the external end edge being connected in the clamping groove；The stem passes through the middle part of the sealing element, the transmission Part is socketed on the stem on the part of the middle part of sealing element, and the middle part is clamped in the driving member and cunning Between socket part；One of the cell wall of the clamping groove and the external end edge have the first limiting slot of annular, wherein another tool There is the first limiting section of the corresponding annular being connected in the first limiting slot.

Preferably, one of the middle part and the driving member have the second limiting slot of annular, wherein another tool There is the second limiting section of the corresponding annular being connected in the second limiting slot.

Preferably, the clamping groove is the symmetrical L-shaped structure of two-phase along axial section, the external end edge is cut along axial In face of should be the symmetrical L-shaped structure of two-phase.

Preferably, the valve body includes the first valve body part, the second valve body part, third valve body part, the 4th valve body part and has The installation part of screw via hole；First valve body part and the second valve body part match to form the valve chamber, and feed pathway and second goes out liquid Channel is opened on the first valve body part, and the first liquid outlet channel is opened on the second valve body part, and iron core channel is opened in the 4th valve body On part；First valve body part, the second valve body part, third valve body part are connected as one by fastener, and third valve body part passed through The mode of cooperation of being full of is socketed on the 4th valve body part；Third valve body part has a pair of of fitting portion, and installation part has embedding with a pair Corresponding a pair of of the embeded slot in conjunction portion, each fitting portion are embedded in corresponding embeded slot.

By using above-mentioned technical proposal, the utility model can obtain following technical effect:

1, one of cell wall and external end edge of the clamping groove of this programme have the first limiting slot of annular, wherein another tool In the case where the first limiting section for having the corresponding annular being connected in the first limiting slot, when dynamic iron core band dynamic seal activity, The external end edge of sealing element will be not easy to be detached from from clamping groove, and compared to the prior art, this programme is conducive to improve the gas of solenoid valve Close property；

2, in the case where one of middle part and cyclic annular socket part have the second limiting slot of annular, and help maintain Middle part is clamped in the state between driving member and slide connecting part, to be conducive to improve the air-tightness of solenoid valve；

3, the case where section axial on clamping groove edge is L-shaped structure, and external end edge corresponds to L-shaped structure along axial section Under, when dynamic iron core band dynamic seal activity, the external end edge of sealing element will be not easy to be detached from from clamping groove is de-, to be conducive to mention The air-tightness of high solenoid valve.

Detailed description of the invention

Fig. 1 to Fig. 3 depicts the schematic diagram under the solenoid valve different perspectives of one embodiment of the application respectively；

Fig. 4 depicts the cross-sectional view along the direction A-A ' of Fig. 2；

Fig. 5 depicts Fig. 4 and omits the schematic diagram after core assembly, electromagnetic assembly, sealing part, sealing element and driving member；

The solenoid valve that Fig. 6 and Fig. 7 depicts one embodiment of the application under different perspectives respectively is in the first decomposing state Schematic diagram；

The solenoid valve that Fig. 8 depicts one embodiment of the application is in the schematic diagram of the second decomposing state；

Fig. 9 depicts the schematic diagram of the sealing part of one embodiment of the application；

Figure 10 depicts the schematic diagram of the sealing element of one embodiment of the application；

Figure 11 depicts the cross-sectional view of the solenoid valve of another embodiment.

Specific embodiment

It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model Selected embodiment.

In conjunction with Fig. 1 to Figure 10, in the first embodiment, the solenoid valve of the application includes: valve body 1, core assembly 6, electromagnetism Component, sealing part 10, sealing element 11 and driving member 12 show in the diagram of the present embodiment and show electromagnetic assembly.Valve body 1 and sealing Part 11 can be material made of the softwoods matter such as rubber generallyd use, preferably, it can be the material for meeting food-grade requirement, with Just solenoid valve can be applied in the equipment such as coffee machine.

In conjunction with Fig. 5, valve body 1 have accommodate sealing part valve chamber S and be respectively communicated with the feed pathway L1 in valve chamber S, First liquid outlet channel L2, the second liquid outlet channel L3, the iron core channel L4 configured with core assembly 6.It should be noted that fluid can be through Feed pathway L1 flows to the first liquid outlet channel L2 or the second liquid outlet channel L3, also can go out liquid through the first liquid outlet channel L2 or second Channel L3 reverse flow to feed pathway L1, the expression of the application feed pathway and liquid outlet channel only for convenience of understanding, is not used To limit the relative flow relationship in each channel.In conjunction with Fig. 4 to Fig. 8, valve body 1 includes the first valve body part 2, the second valve body part 3, third Valve body part 4, the 4th valve body part 5 and the installation part 13 with screw via hole.Each component of valve body 1 can for stainless steel material or its Its common material.First valve body part 2 and the second valve body part 3 match to form valve chamber S, and it is logical that feed pathway L1 and second goes out liquid Road L3 is opened on the first valve body part 2, has the first sealing ring 14 between the first valve body part 2 and the second valve body part 3.First goes out liquid Channel L3 is opened on the second valve body part 3, and iron core channel L4 is opened on the 4th valve body part 5.First valve body part 2, the second valve body Part 3, third valve body part 4 are connected as one by fastener, and third valve body part 4 is socketed on by way of interference fit On four valve body parts 5.Third valve body part 4 has a pair of of fitting portion 4A, and installation part 13 has to be respectively corresponded with a pair of fitting portion 4A A pair of of embeded slot, each fitting portion 4A is embedded in corresponding embeded slot.Have between 4th valve body part 5 and installation part 13 Second sealing ring 15.Screw piece can be cooperated to be mounted as a whole on solenoid valve and need to use in the mechanism of solenoid valve by installation part 13. The fastener of the present embodiment is screw piece.It the aperture of the input end of feed pathway L1 can be between 0.5mm to 10mm, for example, 2mm Or 4mm.

For core assembly 6 comprising dynamic iron core 7, static iron core 8 and positioned at elastic component 9 between the two, dynamic iron core 7 passes through driving member 12 are connected to sealing part 10.The present embodiment static iron core 8 forms fluted, and elastic component 9 is that spring and one end are located in the groove.But It is readily appreciated that, dynamic iron core 7, static iron core 8 and the triangular configuration relation of elastic component 9 also can be patent application The configuration relation of CN201510638821.2.4th about 5 valve body part has portions, and centre has cylindrical portion, and electromagnetic assembly can It is socketed on the periphery of cylindrical portion, electromagnetic assembly is the common structure comprising magnetic yoke and electromagnetic coil.Electromagnetic assembly is to control Dynamic iron core 7 is axially moveable with respect to iron core channel L4, so that sealing part is discharged in the water inlet of the first outlet passage L2 and second Switch between the water inlet of runner L3.The technology that electromagnetic assembly drives 7 movable mode system industry of dynamic iron core known, thus it is no longer superfluous It states.

In conjunction with Fig. 4, in the first embodiment, dynamic iron core 7 includes slide connecting part 7A and the connection being slidably connected in the L4 of iron core channel In the stem 7B of slide connecting part 7A, between slide connecting part 7A and static iron core 8, stem 7B is axially extended elastic component 9；Institute Stating driving member 12 includes the lower end that ring-type socket part 12A and pie auxiliary section 12B, stem 7B pass through ring-type socket part 12A certainly It penetrates and is socketed in cyclic annular socket part 12A with the mode of cyclic annular socket part 12A interference fit.Pie auxiliary section 12B is located at ring The upper end of shape socket part 12A, and the size of pie auxiliary section 12B radially is greater than the size of ring-type socket part 12A radially.Only Water part 10 is socketed on the 12B of pie auxiliary section, and sealing part 10 includes for blocking the water inlet of the second outlet passage L3 One water stop portion 10A, water inlet for blocking the first outlet passage L2 the second water stop portion 10B and be located at the first water stop portion Loop connecting portion 12C between 10A and the second water stop portion 10B.First water stop portion 10A is located at the water inlet of the second outlet passage L3 Ora terminalis and pie auxiliary section 12B upper surface between, the second water stop portion 10B is socketed on the periphery cyclic annular socket part 12A and is located at Between the ora terminalis and the pie auxiliary section lower end surface 12B of the water inlet of first outlet passage L2, loop connecting portion 12C is socketed on pie The auxiliary section periphery 12B.When the first water stop portion blocks the water inlet of the second outlet passage, the first water stop portion is gone out water flow by second When the ora terminalis effect of the water inlet in road, stress indirectly-acting is in the upper surface of pie auxiliary section, and then sealing part integrally will not By the ora terminalis of the water inlet of the second outlet passage effect and opposite driving member slides, analogously, sealing part integrally also will not By the ora terminalis of the water inlet of the first outlet passage effect and opposite driving member slides, thus compared to CN201510638821.2 Technical solution, the solenoid valve of the present embodiment be conducive to improve solenoid valve air-tightness.

In the present embodiment, the part that the lower end surface pie auxiliary section 12B is matched with the second water stop portion 10B from outside to inside to Upper inclination, the end face corresponding tilt setting that the second water stop portion 10B is matched with pie auxiliary section 12B.In conjunction with Fig. 4, in kind of a design Under, when the second water stop portion 10B presses to the pie auxiliary section lower end surface 12B, directed force F can be analyzed to F1 and F2, and help It limits sealing part 10 and is detached from driving member.In the present embodiment, the radial dimension edge of the ora terminalis of the water inlet of the second outlet passage L3 Axial direction gradually becomes smaller from top to bottom, and the radial dimension of the ora terminalis of the water inlet of the first outlet passage L2 is bottom-up gradually along axial direction Become smaller.In the above manner, both the ora terminalis of the water inlet of the second outlet passage and the ora terminalis of water inlet of the first outlet passage The area being in contact with sealing part is smaller, facilitates the ora terminalis and that the water inlet of the second outlet passage is helped in sealing The ora terminalis of the water inlet of one outlet passage squeezes sealing part modification and falls into sealing part, to be conducive to improve the airtight of solenoid valve Property.

Sealing element 11 and driving member 12, which match, isolates iron core channel L4 and valve chamber S, the first liquid outlet channel L1, sealing The substantially flat round pie structure of part 11, is soft materials.In conjunction with Fig. 4, Fig. 5 and Figure 10, valve body 1 has cricoid card Access slot 1A, sealing element 11 have middle part 11A, positioned at the periphery middle part 11A and the external end edge 11B that is connected in clamping groove 1A. Clamping groove 1A is matched and is formed by the second valve body part 3 and third valve body part 4.In conjunction with Fig. 4 and Fig. 5, clamping groove 1A is cut along axial Face is the symmetrical L-shaped structure of two-phase, and external end edge 11B corresponds to the symmetrical L-shaped structure of two-phase along axial section.But it is easy reason The structure in the section of solution, clamping groove 1A and external end edge 11B is not limited to this.Stem 7B passes through the middle part 11A of sealing element 11, And middle part 11A is clamped between cyclic annular socket part 12A and slide connecting part 7A.Middle part 11A is can be when dynamic iron core activity With dynamic iron core activity.In conjunction with Fig. 4 and Fig. 5, the cell wall of clamping groove 1A has the first limiting slot M1 and annular first of annular Limiting section N1, external end edge 11B have the first limiting section N1 of corresponding annular and the first limiting slot M1 of annular, clamping groove 1A cell wall On the first limiting section N1 be connected in the first limiting slot M1 on external end edge 11B, and the first limiting section N1 on external end edge 11B The first limiting slot M1 being connected on clamping groove 1A cell wall, this kind of configuration mode are conducive to external end edge 11B fastening and are connected in clamping In slot 1A.In the present embodiment, there is middle part 11A the second limiting slot M2, cyclic annular socket part 12A of annular to have corresponding card It is connected to the second limiting section N2 of the annular in the second limiting slot M2.

Above is the first embodiment of the application, it is understood that can be used under the utility model design of the application Specific embodiment be not limited to aforesaid way.In other embodiments, the cooperation of sealing part and driving member, each outlet passage Relationship and on be limited to aforesaid way, such as the pie auxiliary section lower end surface 12B can not class with the part matched the second water stop portion 10B Like the angled manner of first embodiment.In other embodiments, but the cell wall of clamping groove 1A and external end edge 11B only one of them With the first limiting slot, wherein another only have the first limiting section.In other embodiments, the second limiting slot M2 can be also opened in On cyclic annular socket part 12A, and the second limiting section N2 is located on middle part 11A.

It should be noted that in the first embodiment, " structure that sealing part 10 and driving member 12 match " and " sealing element 11 With the structure that driving member 12 matches " the different invention main points of two, system, solenoid valve is using wherein an invention will be put the case where Under, another invention main points can be replaced other schemes.For purposes of illustration only, in the technical solution of Figure 11, being passed incorporated by reference to Figure 11 The fit structure of moving part 12 ' and sealing element is identical with the first embodiment, but the fit structure of driving member 12 ' and sealing part 10 ' and First embodiment is different, and in the embodiment in figure 11, the periphery that driving member 12 ' is located at the part of valve chamber has annular recess, only Water part 10 ' is socketed in the annular recess.But still it should be noted that, on the basis of the embodiment of Figure 11, in sealing element 10 ' Between portion and driving member 12 ' the second limiting slot and the second limiting section can not be correspondingly configured with.

Based on above description, the application also protects a kind of solenoid valve, it includes: valve body, electromagnetic assembly, stops core assembly Water part, sealing element and driving member；Valve body has the valve chamber for accommodating sealing part and is respectively communicated with the feed pathway in valve chamber, the One liquid outlet channel, the second liquid outlet channel, the iron core channel configured with the core assembly；Core assembly includes dynamic iron core, quiet iron Core and positioned at elastic component between the two, dynamic iron core is connected to sealing part by driving member；Electromagnetic assembly is to control dynamic iron core Opposite iron core channel is axially moveable, so that sealing part is in the water inlet of the first outlet passage and the water inlet of the second outlet passage Between switch；Sealing element and driving member, which match, isolates iron core channel and valve chamber, the first liquid outlet channel；The dynamic iron core packet Containing the slide connecting part that is slidably connected in iron core channel and the stem for being connected to slide connecting part, elastic component be located at slide connecting part and static iron core it Between, stem axially extends；The valve body has cricoid clamping groove, and the sealing element has middle part, is located at middle part Periphery and the external end edge being connected in the clamping groove；The stem passes through the middle part of the sealing element, the driving member The stem is socketed on the part of the middle part of sealing element, and the middle part is clamped in the driving member and slips Between portion；One of the cell wall of the clamping groove and the external end edge have the first limiting slot of annular, wherein another have First limiting section of the corresponding annular being connected in the first limiting slot.Wherein, it the material of the components such as valve body and other does not refer to Feature can refer to previous embodiment, repeat no more.

Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.

Claims (4)

1. a kind of solenoid valve, includes: valve body (1), core assembly (6), electromagnetic assembly, sealing part (10), sealing element (11) and biography Moving part (12)；Valve body has the valve chamber (S) for accommodating sealing part and is respectively communicated with the feed pathway (L1) in valve chamber, first goes out Liquid channel (L2), the second liquid outlet channel (L3), the iron core channel (L4) for being configured with the core assembly (6)；Core assembly (6) packet Containing dynamic iron core (7), static iron core (8) and positioned at elastic component (9) between the two, dynamic iron core (7) is connected to by driving member (12) Sealing part (10)；Electromagnetic assembly is axially moveable with respect to iron core channel (L4) to control dynamic iron core (7), so that sealing part is the Switch between the water inlet of one outlet passage (L2) and the water inlet of the second outlet passage (L3)；Sealing element (11) and driving member (12) it matches and isolates iron core channel (L4) and valve chamber (S), the first liquid outlet channel (L1)；It is characterized in that, the dynamic iron Core (7) includes the slide connecting part (7A) being slidably connected in iron core channel (L4) and the stem (7B) for being connected to slide connecting part (7A), elasticity Part (9) is located between slide connecting part (7A) and static iron core (8), and stem (7B) axially extends；The valve body (1) has cricoid Clamping groove (1A), the sealing element (11) have middle part (11A), are located at the middle part periphery (11A) and are connected in the clamping External end edge (11B) in slot (1A)；The stem (7B) passes through the middle part (11A) of the sealing element (11), the transmission Part (12) is socketed on the stem (7B) on the part of the middle part (11A) of sealing element (11), and the middle part (11A) is clamped between the driving member (12) and slide connecting part (7A)；The cell wall and the external end edge of the clamping groove (1A) One of (11B) has the first limiting slot (M1) of annular, wherein another have the corresponding ring being connected in the first limiting slot The first limiting section (N1) of shape.

2. solenoid valve according to claim 1, which is characterized in that the middle part (11A) and the driving member (12) its One of there is the second limiting slot (M2) of annular, wherein another have the second of the corresponding annular being connected in the second limiting slot Limiting section (N2).

3. solenoid valve according to claim 1, which is characterized in that the clamping groove (1A) is two opposite along axial section The L-shaped structure of title, the external end edge (11B) correspond to the symmetrical L-shaped structure of two-phase along axial section.

4. solenoid valve according to claim 1, which is characterized in that the valve body (1) includes the first valve body part (2), second Valve body part (3), third valve body part (4), the 4th valve body part (5) and the installation part (13) with screw via hole；First valve body part (2) It matches to be formed the valve chamber (S) with the second valve body part (3), feed pathway (L1) and the second liquid outlet channel (L3) are opened in first On valve body part (2), the first liquid outlet channel (L3) is opened on the second valve body part (3), and iron core channel (L4) is opened in the 4th valve body On part (5)；First valve body part (2), the second valve body part (3), third valve body part (4) are connected as one by fastener, and third Valve body part (4) is socketed on the 4th valve body part (5) by way of interference fit；Third valve body part (4) has a pair of of fitting portion There is corresponding a pair of embeded slot, each fitting portion (4A) with a pair of fitting portion (4A) to be embedded in therewith for (4A), installation part In corresponding embeded slot.