CN209309392U - A kind of switching valve module - Google Patents

Abstract

The utility model provides a kind of switching valve module, and including two the first switching valves being serially connected, the second switching valves, first switching valve, the second switching valve are two position three-way valve；The two position three-way valve includes shell, switching part, and switching part is connect with shell, the first import, the second import, outlet is arranged on shell, the outlet of first switching valve is connect with the second import of the second switching valve.A kind of switching valve module described in the utility model, by the way that conventional two position three-way valve is connected, simplify the structure of switching valve in automatic release device, simultaneously because two position three-way valve can directly be bought in the market, and it is its technology maturation, cheap, in actual production assembling process, without carrying out individually die sinking production to switching valve and its corresponding assembling structure, each interface by two position three-way valve and related accessory is only needed to be connected to, it not only contributes to improve the reliability and convenience of assembly, and also reduces production cost.

Description

A kind of switching valve module

Technical field

The utility model relates to a kind of switching valve modules.

Background technique

With the development of economy, people's lives level is continuously improved, to washing facility (such as washing machine, dish-washing machine) Demand is also continuously improved.For existing washing facility, be often provided with washing agent automatic release device, user only need by Washing is stored in automatic release device in advance with agent, and washing facility realizes the throwing of washing agent by automatic release device automatically It puts.

Miscellaneous washing agent automatic release device is disclosed in the prior art, is with patent CN103397496B Example discloses a kind of detergent dispensing controller, has main channel, and main channel one end is the entrance for inputting liquid stream, and main channel is another One end is the outlet that can be connect with washing tube water inlet, and it is negative to be equipped with valve A, valve B, valve C, valve D, liquid collecting cavity and venturi Generator is pressed, the entrance of valve A and the main channel, which bypass, to be connected, and the entrance of valve B can lead to detergent A liquid reserve tank, The outlet of valve A and valve B and the entrance of valve C lead to, and the entrance of valve D can lead to detergent B liquid reserve tank, valve C and The outlet of valve D and the entrance of liquid collecting cavity lead to, negative pressure of the outlet of liquid collecting cavity through return flow line Yu venturi negative pressure generator Mouth leads to, and the outlet of venturi negative pressure generator and the entrance of the main channel lead to, and the entrance of venturi negative pressure generator is The entrance being connect with water source.Wherein, patent CN103397496B realizes washing by the negative-pressure adsorption principle of Venturi The dispensing of agent, while valve A and valve B links, i.e., while valve A is closed, valve B is opened, and is opened in valve A same When, valve B is closed；Likewise, valve C and valve D links；And valve A, valve C are normally open valve.

In patent CN103397496B, valve A, valve B, valve C, a part that valve D is pile-up valve；The application's Researcher is by further searching for the prior art, pile-up valve involved in discovery patent CN103397496B, It is described in detail in another patent CN203477553U of its same applicant's application；Specifically, patent CN203477553U discloses a kind of switching valve module, and valve body is equipped with water inlet, water outlet and electromagnetic control assembly one, electromagnetism control Component one processed has electromagnetic coil one, piston one and iron core one, and one front end of piston is connected with piston cap one, and valve body is equipped with inlet One, valve seat A, valve seat B, inner cavity one and channel one, the inlet side and inlet one of valve seat A penetrate through, one one end of channel and water inlet The inlet side of perforation, the other end and valve seat B penetrate through, and the outlet side of valve seat A and the outlet side of valve seat B are opened in inner cavity one, valve seat A Corresponding with electromagnetic valve component one with valve seat B, the outlet side of valve seat A and the outlet side of valve seat B coaxial line in inner cavity one are right in opposite directions It answers and an alternate distance, the piston cap one of electromagnetic valve component one is located at the phase of the outlet side of valve seat A and the outlet side of valve seat B Between one distance in the range of and under normal conditions piston cap one be closed valve seat A, open valve seat B；Inner cavity one can be penetrated through with water outlet.

The researcher of the application passes through specific structure to switching valve in patent CN203477553U and its user Method is analyzed, it is found that the switching valve is consistent with early published two position three-way valve in the prior art；

For example, being disclosed in the prior art 1 (" elastic packing two-position three way magnetic valve open in usual ", Yang Renkui, woods in 1973 New people, Jiang Xuewen, " foundry machinery ", 04 phase in 1973, the 60-61 pages), it discloses elastic packing two-position three way electricity open in usual The structure of magnet valve, while its operating principle being illustrated: movable electromagnet pushes directly on valve rod when being powered, and when power-off utilizes Compression spring resets, thus opening and closing or switching gas circuit；Specifically, compressed air enters from suction nozzle when coil no power, lead to Cross the seam formed by compression spring, enter in the central cavity of valve body, then enter the side of cylinder by mouth of supplying gas, i.e., into Gas nozzle is connected with mouth of supplying gas, and exhaust outlet disconnects；When coil be powered after, generate electromagnetic field attract armature, by exhausted magnetic push rod, Extension bar pushes valve rod, exhaust outlet is opened, and close suction nozzle, so that mouth of supplying gas is connected to exhaust outlet.

It is disclosed in the prior art 2 (" high-speed and great rate of flow solenoid valve ", Zhang little Jun, Zhu Guo in 2001 Big, Cui Kerun, " valve ", 02 phase in 2001, the 6-8 pages), a kind of novel two-position three way formula cone valve is devised, and openly Its specific structure and working principle, as shown in Fig. 1, the two-position three way formula cone valve can be used as valve open in usual and use, It can also be used as the use of normally closed type valve；When it makees valve open in usual in use, its left end oil duct I is oil inlet, intermediate oil duct III is Control mouth, right end oil duct II are oil return opening；When the solenoid valve is energized, under the action of electromagnetic force, dynamic iron core 4 and outer valve 6 overcome 3 resistance of reset spring moves downward, and until outer valve 6 and left inside poppet valve core 1 compression, separates with poppet valve core 8 in the right side, at this time oil inlet It is disconnected with control mouth, oil return opening is connected to control mouth；When power-off, moving armature and outer valve 6 are under the action of reset spring 3, to the right Movement separates, oil inlet is connected to control mouth at this time, oil return until outer valve 6 and the compression of poppet valve core 8 in the right side with left inside poppet valve core 1 Mouth is disconnected with control mouth.

It can thus be seen that switching valve and two position three-way valve open in usual in the prior art in patent CN203477553U Structure is similar, and its working principle or manner of execution are essentially identical；But compared with two position three-way valve open in usual in the prior art, Not only structure is complicated for switching valve in patent CN203477553U, but also is matched with washing facility and automatic release device When conjunction, needs individually to be opened corresponding assembling structure, and individually assemble each group linkage valve, be unfavorable for mentioning Its high assembly reliability and convenience, while also increasing production cost.

Utility model content

In view of this, the utility model is directed to a kind of switching valve module, filled with solving automatic launch in the prior art It is complicated to set middle switch valve structure, the poor problem of assembly reliability, convenience.

In order to achieve the above objectives, the technical solution of the utility model is achieved in that

A kind of switching valve module, including two the first switching valves being serially connected, the second switching valves, first switching Valve, the second switching valve are two position three-way valve；The two position three-way valve includes shell, switching part, and the switching part and shell connect It connects, the first import, the second import, outlet, the outlet of first switching valve and the of the second switching valve is set on the shell Two imports connection.

Further, the enclosure interior is arranged the first valve seat, the second valve seat, the first valve seat setting first into Between mouth, outlet, second valve seat is arranged between the second import, outlet；The switching part includes cut-off part, the cut-off Part is arranged between the first valve seat, the second valve seat, and the cut-off part cooperates with the first valve seat, the second valve seat respectively.

Further, the shell, the first import, constitute first passage between the first valve seat, the shell, second into Mouthful, constitute second channel between the second valve seat, the shell, the second valve seat, constitutes switching chamber between outlet at the first valve seat；Institute Switching chamber is stated to be connected to first passage, second channel.

Further, the cut-off part is arranged in switching chamber.

Further, the cut-off part is bonded with any of the first valve seat, the second valve seat.

Further, the switching part includes fixing end, and the fixing end is arranged inside housings, the inside of the shell Spring part is set, and the fixing end is connect with spring part.

Further, the two position three-way valve includes electromagnetic coil, and the outside of shell, and institute is arranged in the electromagnetic coil Electromagnetic coil is stated to connect with switching part；Cut-off at least one of the part and fixing end cooperates with electromagnetic coil.

Further, the two position three-way valve includes spacing block set, and the spacing block set is connect with the second valve seat, and described section Stop member is bonded with any of the first valve seat, spacing block set.

Further, the switching valve module includes casing, and described sleeve pipe is in a manner of it can dismantle respectively with described The outlet of one switching valve, the second import of the second switching valve connection.

Further, the first import of first switching valve is connect with the first feedway, and the first of the second switching valve Import is connect with the first feedway, and the second import of the first switching valve is connect with the second feedway, and the second switching valve goes out Mouth is connected to washing section.

Compared with the existing technology, a kind of switching valve module described in the utility model has the advantage that

A kind of switching valve module described in the utility model is simplified by the way that conventional two position three-way valve is connected The structure of switching valve in automatic release device, simultaneously because two position three-way valve can directly be bought in the market, and its technology at It is ripe, cheap, in actual production assembling process, without being individually opened to switching valve and its corresponding assembling structure Production, it is only necessary to each interface of two position three-way valve and related accessory be connected to, not only contribute to improve assembly Reliability and convenience, and also reduce production cost.

Detailed description of the invention

The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.? In attached drawing:

Fig. 1 is a kind of structural schematic diagram of two position three-way valve in the prior art；

Fig. 2 is a kind of schematic diagram of switching valve module described in the utility model embodiment；

Fig. 3 is the structural schematic diagram of switching valve in a kind of switching valve module described in the utility model embodiment；

Fig. 4 is a kind of assembling schematic diagram of switching valve module described in the utility model embodiment；

Fig. 5 is a kind of a kind of assembling schematic diagram of switching valve module described in the utility model embodiment；

Fig. 6 is a kind of another assembling schematic diagram of switching valve module described in the utility model embodiment.

Description of symbols:

Left inside poppet valve core 1, static iron core 2, reset spring 3, dynamic iron core 4, gland 5, outer valve 6, valve body 7, the right side in poppet valve core 8, Switching valve 11, the first switching valve 11a, the second switching valve 11b, shell 12, the first import 121, the second import 122, outlet 123, First valve seat 124, the second valve seat 125, switching part 13 end part 131, fixing end 132, electromagnetic coil 14, spring part 15, casing 16, spacing block set 17, the first feedway 18, the first washing agent feeding device 18a, the second washing agent feeding device 18b, Second feedway 19, washing section 20, first passage 101, second channel 102 switch chamber 103.

Specific embodiment

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.

The present embodiment can be applied to routine for the switching valve module in automatic release device, the automatic release device Washing facility, the switching valve module be used for washing with agent launch access, slurry launch access switch over, with reality Now to the automatic dispensing of washing agent.

In the prior art, not only structure is complicated for related switching valve, and with washing facility and automatic launch When device is cooperated, need individually to be opened corresponding assembling structure, and individually fill each group linkage valve Match, is unfavorable for improving its assembly reliability and convenience, while also increasing production cost.In order to solve to cut in the prior art Change valve arrangement complexity, the poor problem of assembly reliability, convenience is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments The utility model.

Embodiment 1

As illustrated in figs. 2-3, the present embodiment provides a kind of switching valve modules, for being switched over to flow direction of medium, The component includes two switching valves being serially connected 11, is denoted as the first switching valve 11a, the second switching valve 11b respectively, and described One switching valve 11a, the second switching valve 11b are two position three-way valve；

For the first switching valve 11a, the second switching valve 11b, all have such as flowering structure；The i.e. described two-position three way Valve includes shell 12, switching part 13, has cavity structure inside the shell 12, the switching part 13 is connect with shell 12, institute Stating switching part 13 includes cut-off part 131, and the first import 121, the second import 122, outlet 123 are arranged on the shell 12, described First valve seat 124, the second valve seat 125 are set inside shell 12, and the setting of the first valve seat 124 is in the first import 121, outlet Between 123, between the second import 122, outlet 123, the cut-off part 131 is arranged first for the setting of the second valve seat 125 Between valve seat 124, the second valve seat 125, and the cut-off part 131 cooperates with the first valve seat 124, the second valve seat 125 respectively；It is described The outlet 123 of first switching valve 11a is connect with the second import 122 of the second switching valve 11b.

Specifically, the shell 12, the first import 121, constituting first passage 101, the shell between the first valve seat 124 12, second channel 102, the shell 12, the first valve seat 124, the second valve seat are constituted between the second import 122, the second valve seat 125 125, switching chamber 103 is constituted between outlet 123；The switching chamber 103 is connected to first passage 101, second channel 102, described Cut-off part 131 be arranged on switching chamber 103 in, and can switching chamber 103 in be moved, for be truncated switching chamber 103 with Connected relation between connected relation between first passage 101, or truncation switching chamber 103 and second channel 102；Wherein, institute It states cut-off part 131 to be bonded with any of the first valve seat 124, the second valve seat 125, when cut-off part 131 moves to and the first valve Seat 124 is bonded, so that the connected relation between switching chamber 103 and first passage 101 is truncated, when cut-off part 131 moves to and the Two valve seats 125 fitting, so that the connected relation between switching chamber 103 and second channel 102 be truncated.

The switching part 13 includes fixing end 132, and the fixing end 132 is arranged inside shell 12, while the shell Spring part 15 is arranged in 12 inside, and the fixing end 132 is connect with spring part 15, under the normality of spring part 15, spring part 15 It not exerting a force to switching part 132, cut-off part 131 is bonded with the first valve seat 124 at this time, and switching chamber 103 and first passage 101 are truncated, Switching chamber 103 is connected to second channel 102, is denoted as first state；

The two position three-way valve further includes electromagnetic coil 14, and the outside of shell 12, and institute is arranged in the electromagnetic coil 14 Electromagnetic coil 14 is stated to connect with switching part 13；At least one of the cut-off part 131 and fixing end 132 are matched with electromagnetic coil 14 It closes；Preferably, at least one in the cut-off part 131, fixing end 132 be have magnetic substance, such as by magnet, The materials such as iron, cobalt, nickel and its alloy are made；Electromagnetic force is generated after the energization of electromagnetic coil 14, to attract cut-off part 131 or solid Fixed end 132 pulls switching part 13, so that cut-off part 131 is bonded with the second valve seat 125, switching chamber 103 is cut with second channel 102 Disconnected, switching chamber 103 is connected to first passage 101, is denoted as the second state；

In the second condition, spring part 15 is in tensional state, applies a drawing opposite with electromagnetic force to switching part 13 Power is powered if stopping electromagnetic coil 14, and under the action of spring part 15, switching valve comes back to first state.

To when the first switching valve 11a, the second switching valve 11b are in first state, medium is from the first switching valve 11a The second import 122 enter, successively by the second channel 102 of the first switching valve 11a, the switching chamber of the first switching valve 11a 103, the outlet 123 of the first switching valve 11a, the second import 122 of the second switching valve 11b, the second switching valve 11b second channel 102, the outlet 123 of the switching chamber 103, the second switching valve 11b of the second switching valve 11b is denoted as Jie to flow out switching valve module The first mobility status of matter；

It is in the second state in the first switching valve 11a, when the second switching valve 11b is in first state, medium is cut from first The first import 121 for changing valve 11a enters, and successively cuts by the first passage 101 of the first switching valve 11a, the first switching valve 11a Change chamber 103, the outlet 123 of the first switching valve 11a, the second import 122 of the second switching valve 11b, the second switching valve 11b second Remember to flow out switching valve module the outlet 123 of switching chamber 103, the second switching valve 11b in channel 102, the second switching valve 11b For the second mobility status of medium；

When the second switching valve 11b is in the second state, no matter which kind of state the first switching valve 11a is in, and medium is from The first import 121 of two switching valve 11b enters, and successively passes through first passage 101, the second switching valve 11b of the second switching valve 11b The outlet 123 of switching chamber 103, the second switching valve 11b be denoted as medium third mobility status to flow out switching valve module.

The present embodiment simplifies the knot of switching valve in automatic release device by the way that conventional two position three-way valve is connected Structure, simultaneously because two position three-way valve can directly be bought in the market, and it is its technology maturation, cheap, in actual production In assembling process, without carrying out individually die sinking production to switching valve and its corresponding assembling structure, it is only necessary to by two position three-way valve with And each interface of related accessory is connected to, and the reliability and convenience that improve assembly are not only contributed to, and Reduce production cost.

Embodiment 2

As shown in attached drawing 4-5, on the basis of the specific structure and application method of the switching valve module of embodiment 1, this Embodiment is for switching application of the valve module in washing facility, by the first import 121 of the first switching valve 11a and the The connection of one feedway 18, the first import 121 of the second switching valve 11b is connect with the first feedway 18, by the first switching The second import 122 of valve 11a is connect with the second feedway 19, and the outlet 123 of the second switching valve 11b is connected with washing section 20 It is logical；

As the preferred of the present embodiment, first feedway 18 is the feedway of washing agent, for supplying one Kind or a variety of washing agent, such as detergent, bleaching agent, softener etc.；Specifically, first feedway 18 includes first Washing agent feeding device 18a, the second washing agent feeding device 18b, the first switching valve 11a the first import 121 with Second washing agent feeding device 18b connection, the first import 121 of the second switching valve 11b are supplied with the first washing with agent Device 18a connection, it is preferred that second washing is used for supplier with conventional detergent is loaded in agent feeding device 18b The standard detergent that uses of daily washing, first washing used with conventional softener is loaded in agent feeding device 18a In the conventional softener that the supply daily washing of people uses, to meet the different washing demand of people.

Second feedway 19 is the feedway of slurry, can be conventional water pipe or water tank；It is described to wash Portion 20 is washed with cavity body structure, for washings, slurry, washing to be held and washed with agent, such as conventional washed Washing tube, washing tube of dish-washing machine of clothing machine etc..

Hence for the first mobility status of medium, the mobility status of slurry can be considered as；The second mobility status of medium The case where launching washing agent from the first import 121 of the first switching valve 11a can be considered as, medium third mobility status can regard The case where to launch washing agent from the first import 121 of the second switching valve 11b.

Embodiment 3

Since the switching valve module is in series by conventional two position three-way valve progress, in the day of automatic release device During being often used, inevitably will appear valve arrangement aging or damage the case where appearance, for the ease of being dismantled, being replaced to it, The operation such as maintenance, as shown in attached drawing 4-5, the present embodiment is further improved on the basis of embodiment 1 or embodiment 2, described to cut Changing valve module further includes casing 16, the outlet with the first switching valve 11a respectively in a manner of it can dismantle of described sleeve pipe 16 123, the second import 122 connection of the second switching valve 11b, the i.e. outlet 123 of the first switching valve 11a are cut by casing 16 with second Change the second import 122 connection of valve 11b；Preferably, described sleeve pipe 16 is fast joint；Likewise, the first switching valve 11a The first import 121 and the first feedway 18 between connected in a manner of it can dismantle, the first import of the second switching valve 11b 121 and first are connected in a manner of it can dismantle between feedway 18, the second import 122 and second of the first switching valve 11a It is connected in a manner of it can dismantle between feedway 19, with can between the outlet 123 and washing section 20 of the second switching valve 11b The mode of disassembly connects；To switching valve module is dismantled, replaces, safeguard etc. operate when, it is only necessary to corresponding interface It is dismantled, is conducive to improve maintenance efficiency.

Embodiment 4

As shown in Fig. 6, the present embodiment is further improved on the basis of embodiment 1 or embodiment 2；Specifically, The two position three-way valve includes spacing block set 17, and the spacing block set 17 is connect with the second valve seat 125, for cut-off part 131 It is limited；

The spacing block set 17 can be set in any of the first switching valve 11a, the second switching valve 11b, can also be with It is arranged simultaneously in the first switching valve 11a, the second switching valve 11b.

Preferably, the spacing block set 17 is arranged simultaneously in the first switching valve 11a, the second switching valve 11b；Work as switching When valve is in the second state, cut-off part 131 is bonded with spacing block set 17, simultaneously because the obstruction of spacing block set 17, ends part 131 There is gap between the second valve seat 125 so that be still connected state between switching chamber 103 and second channel 102, i.e., no matter the Which kind of state one switching valve 11a, the second switching valve 11b are in, and the switching valve module remains the first mobility status of medium, It can be considered as and the flow passage of slurry is provided always；

To in the present embodiment, when the first switching valve 11a, the second switching valve 11b are in first state, medium the One mobility status does not change；The second state, when the second switching valve 11b is in first state, medium are in the first switching valve 11a Second mobility status, the first mobility status of medium exist simultaneously；The second state, the first switching valve are in the second switching valve 11b When 11a is in first state, medium third mobility status, the first mobility status of medium are existed simultaneously；At the second switching valve 11b In the second state, when the first switching valve 11a is in the second state, the first mobility status of medium, the second mobility status of medium, medium Third mobility status exists simultaneously.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (10)

1. a kind of switching valve module, which is characterized in that the switching valve module includes two the first switching valves being serially connected (11a), the second switching valve (11b), first switching valve (11a), the second switching valve (11b) are two position three-way valve；It is described Two position three-way valve includes shell (12), switching part (13), and the switching part (13) connect with shell (12), on the shell (12) First import (121), the second import (122), outlet (123), the outlet (123) of first switching valve (11a) and the are set The second import (122) of two switching valves (11b) connects.

2. a kind of switching valve module according to claim 1, which is characterized in that the first valve is arranged inside the shell (12) Seat (124), the second valve seat (125), the first valve seat (124) setting are described between the first import (121), outlet (123) Second valve seat (125) setting is between the second import (122), outlet (123)；The switching part (13) includes cut-off part (131), The cut-off part (131) is arranged between the first valve seat (124), the second valve seat (125), and the cut-off part (131) respectively with First valve seat (124), the second valve seat (125) cooperation.

3. a kind of switching valve module according to claim 2, which is characterized in that the shell (12), the first import (121), first passage (101) are constituted between the first valve seat (124), the shell (12), the second import (122), the second valve seat (125) second channel (102) are constituted between, the shell (12), the first valve seat (124), the second valve seat (125), outlet (123) Between constitute switching chamber (103)；The switching chamber (103) is connected to first passage (101), second channel (102).

4. a kind of switching valve module according to claim 3, which is characterized in that the cut-off part (131), which is arranged on, cuts It changes in chamber (103).

5. a kind of switching valve module according to claim 2, which is characterized in that the cut-off part (131) and the first valve seat (124), any of second valve seat (125) is bonded.

6. a kind of switching valve module according to claim 2, which is characterized in that the switching part (13) includes fixing end (132), fixing end (132) setting is internal in shell (12), and spring part (15) are arranged in the inside of the shell (12), described Fixing end (132) is connect with spring part (15).

7. a kind of switching valve module according to claim 6, which is characterized in that the two position three-way valve includes electromagnetic coil (14), the electromagnetic coil (14) is arranged in the outside of shell (12), and the electromagnetic coil (14) is connect with switching part (13)； At least one of the cut-off part (131) and fixing end (132) cooperate with electromagnetic coil (14).

8. a kind of switching valve module according to claim 2, which is characterized in that the two position three-way valve includes spacing block set (17), the spacing block set (17) connect with the second valve seat (125), the cut-off part (131) and the first valve seat (124), limit The fitting of any of convex block (17).

9. a kind of switching valve module according to claim 1, which is characterized in that the switching valve module includes casing (16), described sleeve pipe (16) is cut with the outlet (123) of first switching valve (11a), second respectively in a manner of it can dismantle Change the second import (122) connection of valve (11b).

10. a kind of switching valve module according to claim 1, which is characterized in that the first of first switching valve (11a) Import (121) is connect with the first feedway (18), the first import (121) of the second switching valve (11b) and the first feedway (18) it connects, the second import (122) of the first switching valve (11a) is connect with the second feedway (19), the second switching valve (11b) Outlet (123) be connected to washing section (20).