CN108953740B - Electromagnetic valve - Google Patents
Electromagnetic valve Download PDFInfo
- Publication number
- CN108953740B CN108953740B CN201810896846.6A CN201810896846A CN108953740B CN 108953740 B CN108953740 B CN 108953740B CN 201810896846 A CN201810896846 A CN 201810896846A CN 108953740 B CN108953740 B CN 108953740B
- Authority
- CN
- China
- Prior art keywords
- valve body
- piece
- annular
- iron core
- outlet channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 108
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims description 78
- 230000003068 static effect Effects 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000008358 core component Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/0624—Lift valves
- F16K31/0627—Lift valves with movable valve member positioned between seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention relates to a solenoid valve comprising: the electromagnetic valve comprises a valve body, an iron core assembly, an electromagnetic assembly, a water stopping piece, a sealing piece and a transmission piece; the valve body is provided with a valve chamber and a plurality of flow passages, the transmission piece comprises an annular sleeving part and a cake-shaped matching part, and the movable iron core of the iron core assembly comprises a sliding connection part and a rod-shaped part; the first sealing part of sealing up spare is located between the terminal edge of the water inlet of second drain passageway and the up end of pie-shaped matching part, and the second sealing up part of sealing up spare cup joints in annular cup joints the portion periphery and is located between the terminal edge of the water inlet of first drain passageway and the lower terminal surface of pie-shaped matching part, and annular connecting portion cup joints in pie-shaped matching part periphery. Compared with the prior art, the electromagnetic valve has better sealing performance.
Description
Technical Field
The present invention relates to valve devices, and in particular, to solenoid valves.
Background
A three-way solenoid valve is a relatively common solenoid valve, and takes patent application CN201510638821.2 as an example, and in combination with fig. 3 of the patent application, the solenoid valve has a valve chamber, a valve core located in the valve chamber, a sealing ring, and a valve rod connected to the movable core, and the valve core is sleeved on the valve rod. The movable iron core is driven by electromagnetic force to move, and can drive the valve core to block different channels so as to switch the communication relation between the liquid inlet channel and the two liquid outlet channels. The seal ring cooperates with the valve stem to isolate the plunger from the valve chamber to prevent fluid flowing through the solenoid valve from flowing to the plunger to erode the plunger. The disadvantage of the patent application CN201510638821.2 is that the valve core is sleeved on the valve rod, when the valve core moves to the 1 st valve seat or the 2 nd valve seat to seal, the valve core may slide relative to the valve rod under the action of the 1 st valve seat or the 2 nd valve seat, so that the air tightness of the electromagnetic valve is poor.
Disclosure of Invention
The invention aims to solve the technical problem of providing an electromagnetic valve to solve the problem that the existing electromagnetic valve possibly has poor air tightness when in use.
In order to solve the above technical problems, the present invention provides an electromagnetic valve, comprising: the electromagnetic valve comprises a valve body, an iron core assembly, an electromagnetic assembly, a water stopping piece, a sealing piece and a transmission piece; the valve body is provided with a valve chamber for accommodating the water stop, a liquid inlet channel, a first liquid outlet channel, a second liquid outlet channel and a core channel provided with the core assembly, wherein the liquid inlet channel, the first liquid outlet channel and the second liquid outlet channel are respectively communicated with the valve chamber; the iron core component comprises a movable iron core, a static iron core and an elastic piece positioned between the movable iron core and the static iron core, and the movable iron core is connected with the water stopping piece through a transmission piece; the electromagnetic assembly is used for controlling the brake iron core to move axially relative to the iron core channel so that the water stopping piece is switched between the water inlet of the first liquid outlet channel and the water inlet of the second liquid outlet channel; the sealing element is matched with the transmission element to isolate the iron core channel from the valve chamber and the first liquid outlet channel; the movable iron core comprises a sliding connection part which is in sliding connection with the iron core channel and a rod-shaped part which is connected with the sliding connection part, the elastic piece is positioned between the sliding connection part and the static iron core, and the rod-shaped part extends along the axial direction; the transmission piece comprises an annular sleeving part and a cake-shaped matching part, and the rod-shaped part is sleeved in the annular sleeving part in a mode of penetrating from the lower end of the annular sleeving part and being in interference fit with the annular sleeving part; the pie-shaped matching part is positioned at the upper end of the annular sleeving part, and the radial dimension of the pie-shaped matching part is larger than that of the annular sleeving part; the water stopping piece is sleeved on the cake-shaped matching part and comprises a first water stopping part for blocking the water inlet of the second liquid outlet channel, a second water stopping part for blocking the water inlet of the first liquid outlet channel and an annular connecting part positioned between the first water stopping part and the second water stopping part; the first water stopping part is positioned between the end edge of the water inlet of the second liquid outlet channel and the upper end surface of the pie-shaped matching part, the second water stopping part is sleeved on the periphery of the annular sleeved part and positioned between the end edge of the water inlet of the first liquid outlet channel and the lower end surface of the pie-shaped matching part, and the annular connecting part is sleeved on the periphery of the pie-shaped matching part.
Preferably, the part of the lower end surface of the pie-shaped matching part, which is matched with the second water stop part, is inclined upwards from outside to inside, and the end surface of the second water stop part, which is matched with the pie-shaped matching part, is correspondingly inclined.
Preferably, the radial dimension of the end edge of the water inlet of the second liquid outlet channel gradually decreases from top to bottom along the axial direction.
Preferably, the radial dimension of the end edge of the water inlet of the first liquid outlet channel gradually decreases from bottom to top along the axial direction.
Preferably, the valve body has an annular clamping groove, and the sealing member has a middle part and an outer end edge positioned outside the middle part and Zhou Juka connected with the clamping groove; the rod-shaped portion passes through the middle portion of the sealing member, and the middle portion is clamped between the annular sleeve-joint portion and the sliding-joint portion.
Preferably, one of the slot wall of the clamping slot and the outer end edge is provided with an annular first limiting slot, and the other one of the slot wall of the clamping slot and the outer end edge is provided with an annular first limiting part correspondingly clamped in the first limiting slot.
Preferably, the cross section of the clamping groove along the axial direction is of a two-phase symmetrical L-shaped structure, and the cross section of the outer end edge along the axial direction is of a two-phase symmetrical L-shaped structure.
Preferably, one of the middle part and the annular sleeving part is provided with an annular second limiting groove, and the other one of the middle part and the annular sleeving part is provided with an annular second limiting part correspondingly clamped in the second limiting groove.
Preferably, the valve body comprises a first valve body piece, a second valve body piece, a third valve body piece, a fourth valve body piece and a mounting piece with a screw through hole; the first valve body piece and the second valve body piece are matched to form the valve chamber, the liquid inlet channel and the second liquid outlet channel are arranged on the first valve body piece, the first liquid outlet channel is arranged on the second valve body piece, and the iron core channel is arranged on the fourth valve body piece; the first valve body piece, the second valve body piece and the third valve body piece are connected into a whole through fasteners, and the third valve body piece is sleeved on the fourth valve body piece in an interference fit mode; the third valve body member has a pair of fitting portions, and the mounting member has a pair of fitting grooves respectively corresponding to the pair of fitting portions, and each fitting portion is fitted into the corresponding fitting groove.
By adopting the technical scheme, the invention can obtain the following technical effects:
1. the first water stopping part is positioned between the end edge of the water inlet of the second liquid outlet channel and the upper end surface of the pie-shaped matching part, and the second water stopping part is positioned between the end edge of the water inlet of the first liquid outlet channel and the lower end surface of the pie-shaped matching part, when the first water stopping part is used for blocking the water inlet of the second liquid outlet channel, the first water stopping part is stressed to indirectly act on the upper end surface of the pie-shaped matching part when being acted by the end edge of the water inlet of the second liquid outlet channel, so that the whole water stopping part cannot slide relative to the transmission part under the action of the end edge of the water inlet of the second liquid outlet channel, and similarly, the whole water stopping part cannot slide relative to the transmission part under the action of the end edge of the water inlet of the first liquid outlet channel, so that compared with the technical scheme of CN201510638821.2, the technical scheme is favorable for improving the air tightness of the electromagnetic valve;
2. under the condition that the matched part of the lower end surface of the pie-shaped matching part and the second water stop part is inclined from outside to inside and the matched end surface of the second water stop part and the pie-shaped matching part are correspondingly inclined, the second water stop part of the water stop piece is more tightly attached to the lower end surface of the pie-shaped matching part under the action of the end edge of the water inlet of the first liquid outlet channel, so that the water stop piece is not easy to separate from the transmission piece due to the long-term action of the end edge of the water inlet of the first liquid outlet channel, thereby being beneficial to improving the air tightness of the electromagnetic valve;
3. under the condition that the radial dimension of the end edge of the water inlet of the second liquid outlet channel gradually becomes smaller from top to bottom along the axial direction and the radial dimension of the end edge of the water inlet of the first liquid outlet channel gradually becomes smaller from bottom to top along the axial direction, the contact area between the end edge of the water inlet of the second liquid outlet channel and the end edge of the water inlet of the first liquid outlet channel and the water stop piece is smaller, and the water stop piece is helped to be extruded and deformed to sink into the water stop piece when the water stop piece is sealed, so that the air tightness of the electromagnetic valve is helped to be improved;
4. under the condition that one of the groove wall and the outer end edge of the clamping groove is provided with an annular first limit groove, and the other one of the groove wall and the outer end edge of the clamping groove is provided with an annular first limit part correspondingly clamped in the first limit groove, when the movable iron core drives the sealing element to move, the outer end edge of the sealing element is not easy to separate from the clamping groove, so that the air tightness of the electromagnetic valve is improved;
5. one of the middle part and the annular sleeving part is provided with an annular second limiting groove, and the other one of the middle part and the annular sleeving part is provided with an annular second limiting part correspondingly clamped in the second limiting groove, so that the state that the middle part is clamped between the transmission piece and the sliding connection part is maintained, and the air tightness of the electromagnetic valve is improved;
6. under the condition that the cross section of the clamping groove along the axial direction is of an L-shaped structure and the cross section of the outer end edge along the axial direction corresponds to the L-shaped structure, when the movable iron core drives the sealing element to move, the outer end edge of the sealing element is not easy to separate from the clamping groove, so that the air tightness of the electromagnetic valve is improved.
Drawings
FIGS. 1 to 3 are schematic views of solenoid valves according to an embodiment of the present disclosure at different viewing angles;
FIG. 4 shows a cross-sectional view along the direction A-A' of FIG. 2;
FIG. 5 is a schematic view of FIG. 4 with the iron core assembly, electromagnetic assembly, water stop, seal and transmission omitted;
FIGS. 6 and 7 are schematic diagrams illustrating the solenoid valve according to an embodiment of the present application in a first exploded state at different viewing angles;
FIG. 8 is a schematic diagram of a solenoid valve according to an embodiment of the present disclosure in a second exploded state;
FIG. 9 is a schematic view of a water stop according to an embodiment of the disclosure;
FIG. 10 is a schematic view of a seal according to an embodiment of the present application;
fig. 11 shows a cross-sectional view of a solenoid valve according to another embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Referring to fig. 1 to 10, in a first embodiment, the solenoid valve of the present application includes: the valve body 1, the iron core assembly 6, the electromagnetic assembly, the water stop 10, the sealing member 11 and the transmission member 12 are shown in the illustration of the present embodiment. The valve body 1 and the sealing member 11 may be made of a material made of a soft material such as rubber, which is generally used, and preferably, a material which meets the food-grade requirements, so that the solenoid valve can be applied to coffee machines and the like.
Referring to fig. 5, the valve body 1 has a valve chamber S accommodating a water stop, a liquid inlet passage L1, a first liquid outlet passage L2, a second liquid outlet passage L3, and a ferrite passage L4 in which a ferrite core assembly 6 is disposed, which are respectively communicated with the valve chamber S. It should be noted that, the fluid may flow through the liquid inlet channel L1 to the first liquid outlet channel L2 or the second liquid outlet channel L3, or may flow back through the first liquid outlet channel L2 or the second liquid outlet channel L3 to the liquid inlet channel L1, so that the representations of the liquid inlet channel and the liquid outlet channel are only for convenience of understanding, and are not used for limiting the relative flow relationship of the channels. Referring to fig. 4 to 8, the valve body 1 includes a first valve body member 2, a second valve body member 3, a third valve body member 4, a fourth valve body member 5, and a mounting member 13 with screw holes. The components of the valve body 1 may be stainless steel or other common materials. The first valve body 2 and the second valve body 3 are matched to form a valve chamber S, the liquid inlet channel L1 and the second liquid outlet channel L3 are arranged on the first valve body 2, and a first sealing ring 14 is arranged between the first valve body 2 and the second valve body 3. The first liquid outlet channel L2 is arranged on the second valve body piece 3, and the iron core channel L4 is arranged on the fourth valve body piece 5. The first valve body 2, the second valve body 3 and the third valve body 4 are connected into a whole through fasteners, and the third valve body 4 is sleeved on the fourth valve body 5 in an interference fit mode. The third valve element 4 has a pair of fitting portions 4A, and the mounting member 13 has a pair of fitting grooves corresponding to the pair of fitting portions 4A, respectively, and each fitting portion 4A is fitted into the corresponding fitting groove. A second sealing ring 15 is provided between the fourth valve body member 5 and the mounting member 13. The electromagnetic valve can be integrally installed on a mechanism requiring the electromagnetic valve through the installation piece 13 and the screw piece. The fastener of this embodiment is a screw. The inlet end of the feed channel L1 may have a pore size of 0.5mm to 10mm, for example 2mm or 4mm.
The iron core assembly 6 comprises a movable iron core 7, a static iron core 8 and an elastic piece 9 arranged between the movable iron core 7 and the static iron core, wherein the movable iron core 7 is connected with a water stop piece 10 through a transmission piece 12. The stationary core 8 of this embodiment is formed with a groove, and the elastic member 9 is a spring and has one end located in the groove. However, it is easy to understand that the arrangement relationship among the movable core 7, the stationary core 8 and the elastic member 9 may be the arrangement relationship of patent application CN 201510638821.2. The fourth valve body 5 has a seat part on the upper and lower sides, a cylinder part in the middle, and an electromagnetic assembly which is a common structure including a yoke and an electromagnetic coil and can be sleeved on the outer periphery of the cylinder part. The electromagnetic assembly is used for controlling the brake iron core 7 to move along the axial direction relative to the iron core channel L4 so as to enable the water stopping piece to be switched between the water inlet of the first liquid outlet channel L2 and the water inlet of the second liquid outlet channel L3. The manner in which the electromagnetic assembly drives the movable core 7 is well known in the art, and will not be described in detail.
Referring to fig. 4, in the first embodiment, the movable core 7 includes a sliding contact portion 7A sliding in the core passage L4 and a rod-shaped portion 7B connected to the sliding contact portion 7A, the elastic member 9 is located between the sliding contact portion 7A and the stationary core 8, and the rod-shaped portion 7B extends in the axial direction; the transmission member 12 comprises an annular sleeving part 12A and a cake-shaped matching part 12B, and the rod-shaped part 7B is sleeved in the annular sleeving part 12A in a mode of penetrating from the lower end of the annular sleeving part 12A and being in interference fit with the annular sleeving part 12A. The pie-shaped matching part 12B is located at the upper end of the annular sleeving part 12A, and the radial dimension of the pie-shaped matching part 12B is larger than that of the annular sleeving part 12A. The water stop 10 is sleeved on the pie-shaped matching part 12B, and the water stop 10 comprises a first water stop part 10A for blocking the water inlet of the second liquid outlet channel L3, a second water stop part 10B for blocking the water inlet of the first liquid outlet channel L2, and an annular connecting part 10C between the first water stop part 10A and the second water stop part 10B. The first water stop portion 10A is located between the end edge of the water inlet of the second liquid outlet channel L3 and the upper end face of the pie-shaped matching portion 12B, the second water stop portion 10B is sleeved on the outer periphery of the annular sleeve-joint portion 12A and located between the end edge of the water inlet of the first liquid outlet channel L2 and the lower end face of the pie-shaped matching portion 12B, and the annular connecting portion 10C is sleeved on the outer periphery of the pie-shaped matching portion 12B.
In the present embodiment, the portion of the lower end surface of the pie-shaped engagement portion 12B engaged with the second water stop portion 10B is inclined upward from outside to inside, and the end surface of the second water stop portion 10B engaged with the pie-shaped engagement portion 12B is disposed correspondingly inclined. Referring to fig. 4, in the design, when the second water stop portion 10B presses the lower end surface of the cake-shaped mating portion 12B, the acting force F thereof may be decomposed into F1 and F2, which helps to limit the water stop 10 from being separated from the driving member. In this embodiment, the radial dimension of the end edge of the water inlet of the second liquid outlet channel L3 gradually decreases from top to bottom along the axial direction, and the radial dimension of the end edge of the water inlet of the first liquid outlet channel L2 gradually decreases from bottom to top along the axial direction.
The sealing member 11 and the driving member 12 cooperate to isolate the core passage L4 from the valve chamber S and the first liquid outlet passage L2, and the sealing member 11 has a substantially flat pancake-shaped structure, which is made of a soft material. Referring to fig. 4, 5 and 10, the valve body 1 has an annular engagement groove 1A, and the seal 11 has an intermediate portion 11A and an outer end edge 11B located outside the intermediate portion 11A and engaged with the engagement groove 1A. The clamping groove 1A is formed by matching the second valve body 3 and the third valve body 4. Referring to fig. 4 and 5, the cross section of the clamping groove 1A along the axial direction is a two-phase symmetrical L-shaped structure, and the cross section of the outer end edge 11B along the axial direction is a two-phase symmetrical L-shaped structure. However, it is to be understood that the structure of the cross section of the engaging groove 1A and the outer end edge 11B is not limited thereto. The rod-shaped portion 7B passes through the intermediate portion 11A of the seal 11, and the intermediate portion 11A is clamped between the annular socket portion 12A and the slip-on portion 7A. The intermediate portion 11A is movable along with the movable iron core when the movable iron core is movable. Referring to fig. 4 and 5, the slot wall of the clamping slot 1A has an annular first limiting slot M1 and an annular first limiting portion N1, the outer end edge 11B has a corresponding annular first limiting portion N1 and an annular first limiting slot M1, the first limiting portion N1 on the slot wall of the clamping slot 1A is clamped to the first limiting slot M1 on the outer end edge 11B, and the first limiting portion N1 on the outer end edge 11B is clamped to the first limiting slot M1 on the slot wall of the clamping slot 1A. In this embodiment, the middle portion 11A has an annular second limiting groove M2, and the annular socket portion 12A has an annular second limiting portion N2 correspondingly engaged in the second limiting groove M2.
The foregoing is the first embodiment of the present application, but it is to be understood that the specific embodiments that can be employed under the inventive concept of the present application are not limited to the above-described embodiments. In other embodiments, the fitting relationship of the water stop member and the driving member, each of the liquid outlet passages is not limited to the above-described manner, for example, the portion of the lower end surface of the pie-shaped fitting portion 12B that is fitted with the second water stop portion 10B may not be similar to the tilting manner of the first embodiment. In other embodiments, only one of the groove wall and the outer end edge 11B of the clamping groove 1A may have the first limiting groove, and the other one thereof has only the first limiting portion. In other embodiments, the second limiting groove M2 may also be disposed on the annular sleeve portion 12A, and the second limiting portion N2 is disposed on the middle portion 11A.
It should be noted that, in the first embodiment, the "structure in which the water stop member 10 and the transmission member 12 cooperate" and the "structure in which the sealing member 11 and the transmission member 12 cooperate" are two different points of the invention, and in the case where one point of the invention is adopted, another point of the invention may be replaced by another point of the invention. For convenience of description, please refer to fig. 11, in the technical solution of fig. 11, the matching structure of the transmission member 12' and the sealing member is the same as that of the first embodiment, but the matching structure of the transmission member 12' and the sealing member 10' is different from that of the first embodiment, in the embodiment of fig. 11, the portion of the transmission member 12' located in the valve chamber has an annular groove at the periphery, and the sealing member 10' is sleeved in the annular groove. It should be noted that, on the basis of the embodiment of fig. 11, the intermediate portion of the sealing member 10 'and the transmission member 12' may not be correspondingly configured with the second limiting groove and the second limiting portion.
Based on the above description, the present application also protects a solenoid valve comprising: the electromagnetic valve comprises a valve body, an iron core assembly, an electromagnetic assembly, a water stopping piece, a sealing piece and a transmission piece; the valve body is provided with a valve chamber for accommodating the water stop, a liquid inlet channel, a first liquid outlet channel, a second liquid outlet channel and a core channel provided with the core assembly, wherein the liquid inlet channel, the first liquid outlet channel and the second liquid outlet channel are respectively communicated with the valve chamber; the iron core component comprises a movable iron core, a static iron core and an elastic piece positioned between the movable iron core and the static iron core, and the movable iron core is connected with the water stopping piece through a transmission piece; the electromagnetic assembly is used for controlling the brake iron core to move axially relative to the iron core channel so that the water stopping piece is switched between the water inlet of the first liquid outlet channel and the water inlet of the second liquid outlet channel; the sealing element is matched with the transmission element to isolate the iron core channel from the valve chamber and the first liquid outlet channel; the movable iron core comprises a sliding connection part which is in sliding connection with the iron core channel and a rod-shaped part which is connected with the sliding connection part, the elastic piece is positioned between the sliding connection part and the static iron core, and the rod-shaped part extends along the axial direction; the valve body is provided with an annular clamping groove, and the sealing piece is provided with a middle part and an outer end edge which is positioned outside the middle part and is connected with the clamping groove Zhou Juka; the rod-shaped part passes through the middle part of the sealing element, the transmission element is sleeved on the part of the rod-shaped part passing through the middle part of the sealing element, and the middle part is clamped between the transmission element and the sliding connection part; one of the slot wall of the clamping slot and the outer end edge is provided with an annular first limiting slot, and the other one of the slot wall of the clamping slot and the outer end edge is provided with an annular first limiting part correspondingly clamped in the first limiting slot. The materials of the valve body and other parts and other non-mentioned features can refer to the foregoing embodiments, and are not repeated.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A solenoid valve, comprising: the valve comprises a valve body (1), an iron core assembly (6), an electromagnetic assembly, a water stopping piece (10), a sealing piece (11) and a transmission piece (12); the valve body is provided with a valve chamber (S) for accommodating the water stop, a liquid inlet channel (L1), a first liquid outlet channel (L2), a second liquid outlet channel (L3) and a core channel (L4) provided with the core assembly (6) which are respectively communicated with the valve chamber; the iron core assembly (6) comprises a movable iron core (7), a static iron core (8) and an elastic piece (9) positioned between the movable iron core and the static iron core, and the movable iron core (7) is connected with the water stopping piece (10) through a transmission piece (12); the electromagnetic assembly is used for controlling the brake iron core (7) to move axially relative to the iron core channel (L4) so as to switch the water stopping piece between the water inlet of the first liquid outlet channel (L2) and the water inlet of the second liquid outlet channel (L3); the sealing piece (11) is matched with the transmission piece (12) to isolate the iron core channel (L4) from the valve chamber (S) and the first liquid outlet channel (L2); the movable iron core (7) comprises a sliding connection part (7A) which is in sliding connection with an iron core channel (L4) and a rod-shaped part (7B) which is connected with the sliding connection part (7A), an elastic piece (9) is positioned between the sliding connection part (7A) and the static iron core (8), and the rod-shaped part (7B) extends along the axial direction; the transmission piece (12) comprises an annular sleeving part (12A) and a cake-shaped matching part (12B), and the rod-shaped part (7B) is sleeved in the annular sleeving part (12A) in a mode of penetrating from the lower end of the annular sleeving part (12A) and being in interference fit with the annular sleeving part (12A); the pie-shaped matching part (12B) is positioned at the upper end of the annular sleeving part (12A), and the radial dimension of the pie-shaped matching part (12B) is larger than that of the annular sleeving part (12A); the water stop piece (10) is sleeved on the cake-shaped matching part (12B), and the water stop piece (10) comprises a first water stop part (10A) for blocking a water inlet of the second liquid outlet channel (L3), a second water stop part (10B) for blocking a water inlet of the first liquid outlet channel (L2), and an annular connecting part (10C) positioned between the first water stop part (10A) and the second water stop part (10B); the first water stopping part (10A) is positioned between the end edge of the water inlet of the second liquid outlet channel (L3) and the upper end surface of the pie-shaped matching part (12B), the second water stopping part (10B) is sleeved on the periphery of the annular sleeved part (12A) and positioned between the end edge of the water inlet of the first liquid outlet channel (L2) and the lower end surface of the pie-shaped matching part (12B), and the annular connecting part (10C) is sleeved on the periphery of the pie-shaped matching part (12B);
the part of the lower end surface of the pie-shaped matching part (12B) matched with the second water stopping part (10B) is inclined from outside to inside, and the end surface of the second water stopping part (10B) matched with the pie-shaped matching part (12B) is correspondingly inclined;
the valve body (1) is provided with an annular clamping groove (1A), the sealing element (11) is provided with a middle part (11A) and an outer end edge (11B) which is positioned outside the middle part (11A) and is connected with the inside of the clamping groove (1A) by Zhou Juka; the rod-shaped portion (7B) passes through the intermediate portion (11A) of the seal (11), and the intermediate portion (11A) is clamped between the annular socket portion (12A) and the slip-on portion (7A).
2. The solenoid valve according to claim 1, characterized in that the radial dimension of the end edge of the water inlet of the second outlet channel (L3) tapers axially from top to bottom.
3. The solenoid valve according to claim 1, characterized in that the radial dimension of the end edge of the water inlet of the first outlet channel (L2) tapers axially from bottom to top.
4. The solenoid valve according to claim 1, characterized in that one of the slot wall of the clamping slot (1A) and the outer end edge (11B) has an annular first limit slot (M1), the other of which has an annular first limit portion (N1) correspondingly clamped in the first limit slot.
5. The electromagnetic valve according to claim 1, characterized in that the cross section of the clamping groove (1A) along the axial direction is of a two-phase symmetrical L-shaped structure, and the cross section of the outer end edge (11B) along the axial direction corresponds to the two-phase symmetrical L-shaped structure.
6. The solenoid valve according to claim 1, characterized in that one of the intermediate portion (11A) and the annular sleeve portion (12A) has an annular second limit groove (M2), the other of which has an annular second limit portion (N2) that is correspondingly snapped into the second limit groove.
7. The solenoid valve according to claim 1, characterized in that the valve body (1) comprises a first valve body part (2), a second valve body part (3), a third valve body part (4), a fourth valve body part (5) and a mounting part (13) with a screw through hole; the first valve body piece (2) and the second valve body piece (3) are matched to form the valve chamber (S), the liquid inlet channel (L1) and the second liquid outlet channel (L3) are formed in the first valve body piece (2), the first liquid outlet channel (L2) is formed in the second valve body piece (3), and the iron core channel (L4) is formed in the fourth valve body piece (5); the first valve body piece (2), the second valve body piece (3) and the third valve body piece (4) are connected into a whole through fasteners, and the third valve body piece (4) is sleeved on the fourth valve body piece (5) in an interference fit mode; the third valve body member (4) has a pair of fitting portions (4A), and the mounting member has a pair of fitting grooves corresponding to the pair of fitting portions (4A), respectively, and each fitting portion (4A) is fitted into the corresponding fitting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810896846.6A CN108953740B (en) | 2018-08-08 | 2018-08-08 | Electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810896846.6A CN108953740B (en) | 2018-08-08 | 2018-08-08 | Electromagnetic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108953740A CN108953740A (en) | 2018-12-07 |
| CN108953740B true CN108953740B (en) | 2024-04-12 |
Family
ID=64467884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810896846.6A Active CN108953740B (en) | 2018-08-08 | 2018-08-08 | Electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108953740B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765269B (en) * | 2019-04-01 | 2021-08-24 | 浙江盾安禾田金属有限公司 | Switching valve and refrigerating system with same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4251052A (en) * | 1978-11-03 | 1981-02-17 | Robert Bosch Gmbh | Fluid flow control valve especially for use in heating installations for motor vehicles and a method of assembling and adjusting the valve |
| JP2004179118A (en) * | 2002-11-29 | 2004-06-24 | Keihin Corp | Solenoid valve for fuel cell |
| CN102434681A (en) * | 2011-09-29 | 2012-05-02 | 浙江盾安人工环境股份有限公司 | Electromagnetic-drive expansion valve |
| CN204176038U (en) * | 2014-10-23 | 2015-02-25 | 宁波利达气动成套有限公司 | A kind of valve group |
| CN106678427A (en) * | 2017-03-17 | 2017-05-17 | 泉州市纵能电磁阀有限公司 | Delay self-closed flushing valve |
| KR20180003808A (en) * | 2016-07-01 | 2018-01-10 | 주식회사 현대케피코 | Solenoid valve |
| CN208871120U (en) * | 2018-08-08 | 2019-05-17 | 厦门坤锦电子科技有限公司 | A kind of solenoid valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006153177A (en) * | 2004-11-30 | 2006-06-15 | Keihin Corp | Solenoid valve for fuel cell |
-
2018
- 2018-08-08 CN CN201810896846.6A patent/CN108953740B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4251052A (en) * | 1978-11-03 | 1981-02-17 | Robert Bosch Gmbh | Fluid flow control valve especially for use in heating installations for motor vehicles and a method of assembling and adjusting the valve |
| JP2004179118A (en) * | 2002-11-29 | 2004-06-24 | Keihin Corp | Solenoid valve for fuel cell |
| CN102434681A (en) * | 2011-09-29 | 2012-05-02 | 浙江盾安人工环境股份有限公司 | Electromagnetic-drive expansion valve |
| CN204176038U (en) * | 2014-10-23 | 2015-02-25 | 宁波利达气动成套有限公司 | A kind of valve group |
| KR20180003808A (en) * | 2016-07-01 | 2018-01-10 | 주식회사 현대케피코 | Solenoid valve |
| CN106678427A (en) * | 2017-03-17 | 2017-05-17 | 泉州市纵能电磁阀有限公司 | Delay self-closed flushing valve |
| CN208871120U (en) * | 2018-08-08 | 2019-05-17 | 厦门坤锦电子科技有限公司 | A kind of solenoid valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108953740A (en) | 2018-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU782778B2 (en) | Valve comprising elastic sealing elements | |
| US6488050B1 (en) | Pneumatic valve assembly | |
| US8434517B2 (en) | Control valve | |
| KR101988880B1 (en) | Capacity control valve | |
| US7611121B2 (en) | Solenoid control device | |
| KR102342755B1 (en) | Valve device | |
| CN106051268B (en) | Electromagnetic valve | |
| CN110242785B (en) | Electromagnetic valve | |
| WO2014021124A1 (en) | Check valve | |
| US6955337B2 (en) | Pneumatic module | |
| US20060102235A1 (en) | Integratable sanitary part | |
| EP3464966B1 (en) | Valve for a faucet assembly | |
| JP6212463B2 (en) | Small solenoid valve | |
| US11608901B2 (en) | Valve arrangement and switching valve for regulating a mass flow | |
| CN108953740B (en) | Electromagnetic valve | |
| US20110147624A1 (en) | Magnet valve with a valve housing | |
| CN103807464A (en) | Valve | |
| CN110410574B (en) | Actuator bushing with integral seal | |
| CN107956911A (en) | A kind of solenoid valve | |
| US8362861B2 (en) | Electromagnetic actuator | |
| CN108700202B (en) | Solenoid valve and use of a solenoid valve | |
| US10989317B2 (en) | Two-way valve | |
| CN112283401A (en) | Valve with a valve body | |
| US7073770B2 (en) | Electromagnetic valve | |
| CN104948752A (en) | Multi-port valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |