CN208184909U - Water pump and household electrical appliance - Google Patents

Abstract

The utility model provides a kind of water pump and household electrical appliance.There is water stream channel, pump case is equipped with communication port, for being connected to the inlet and outlet of water stream channel in pump case；Water shutoff component lid is located at communication port, is used to open or closes communication port；In pump main body, electromagnetic coil assembly includes electromagnetic coil for electromagnetic coil assembly setting；Electromagnetic core component includes the electromagnetic core in electromagnetic coil, electromagnetic core component is pressed on water shutoff component, when so that electromagnetic coil being powered, electromagnetic core component is moved to the direction far from water shutoff component, or electromagnetic core component is connected with water shutoff component, when so that electromagnetic coil being powered, electromagnetic core component drives water shutoff component to move to the direction far from communication port.Water pump provided by the utility model, the conducting and disconnection of water pump are realized by the cooperation of electromagnetic coil assembly, electromagnetic core component and water shutoff component, so that the control between realizing the autonomous conducting of water pump and disconnecting, greatly reduces the probability of leakage from water pump.

Description

Water pump and household electrical appliance

Technical field

The utility model relates to household appliance technical fields, more specifically, are related to a kind of water pump and the household including the water pump Electric appliance.

Background technique

Existing household electrical appliance, such as water purifier poor sealing, tracing it to its cause is that the part that pipe-line system is related to is more, is connect Head is more, and water leakage risk point is mostly caused.Having inlet water solenoid valve in original system is individual part, certainly will want one section more in systems Water pipe and two connectors.And the quality that the two connectors may insert not in place or connector itself in practical set bad causes Leak it is very risky.In view of water leakage defect belongs to major defect in the mass defect grade of complete machine, it is therefore necessary to increase The leakproofness of strong water purifier reduces the probability of happening of leak.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.

For this purpose, the one aspect of the utility model is designed to provide a kind of water pump.

The other side of the utility model is designed to provide a kind of household electrical appliance including above-mentioned water pump.

To achieve the above object, the technical solution of the one aspect of the utility model provides a kind of water pump, comprising: pump master Body, including pump case, the pump case is interior to have water stream channel, and the pump case is equipped with communication port, for being connected to the water stream channel Inlet and outlet；Water shutoff component, lid are located at the communication port, are used to open or close the communication port；Electromagnetic wire Coil assembly is arranged in the pump main body, and the electromagnetic coil assembly includes electromagnetic coil；With

Electromagnetic core component, the electromagnetic core component include the electromagnetic core in the electromagnetic coil, the electricity Magnet core assembly is pressed on the water shutoff component, and when so that the electromagnetic coil being powered, the electromagnetic core component is to separate The direction of the water shutoff component moves or the electromagnetic core component is connected with the water shutoff component, so that the electromagnetism When coil is powered, the electromagnetic core component drives the water shutoff component to move to the direction far from the communication port.

The water pump that the utility model above-mentioned technical proposal provides, for feelings of the electromagnetic core component gland on water shutoff component Condition, when electromagnetic coil is not powered on, for electromagnetic core component gland on water shutoff component, water shutoff component closes communication port, water inlet Separated with water outlet, water pump is in close state；When electromagnetic coil is powered, electromagnetic core component leaves water shutoff component, Water shutoff component leaves and is equipped with water route in communication port or water shutoff component under the action of water flow in water stream channel, and water route is led at this time Logical, communication port is opened, and water inlet is connected to water outlet, and water pump is in the open state.For electromagnetic core component and water shutoff component The case where being connected, when electromagnetic coil is not powered on, water shutoff component closes communication port, water inlet separated, water with water outlet Pump is in close state；When electromagnetic coil is powered, electromagnetic core component drives water shutoff component to transport to the direction far from communication port Dynamic, communication port is opened, and water inlet is connected to water outlet, and water pump is in the open state.

Compared to the relevant technologies, in the application without individually increase in household electrical appliance solenoid valve realize water pump conducting with It disconnects, the conducting and disconnection of water pump is realized by the cooperation of electromagnetic coil assembly, electromagnetic core component and water shutoff component, thus real Control between having showed the autonomous conducting of water pump and having disconnected substantially reduces to save water pipe circuit node in machine system The probability of leakage from water pump.

In addition, the water pump that the utility model above-mentioned technical proposal provides also has following additional technical feature:

In above-mentioned technical proposal, it is preferable that the water pump further include: elastic component, be supported on the water shutoff component with it is described It between electromagnetic core component, or is connected on the electromagnetic core component, and when the electromagnetic core component is to far from described When the direction of water shutoff component moves or drives the water shutoff component to move to the direction far from the communication port, the elastic component hair Raw deformation.

In the case where electromagnetic core component is pressed on water shutoff component, when electromagnetic coil be powered, electromagnetic core component to When direction far from water shutoff component moves, deformation occurs for elastic component, it is preferable that elastic component is compressed, thus disconnected in electromagnetic coil When electric, elastic component is because the elastic force that deformation generates drives electromagnetic core component to move to the direction close to water shutoff component, water shutoff component Again it is pressed in communication port, water pump is in an off state.

In the case where electromagnetic core component is connected on water shutoff component, when electromagnetic coil is powered, electromagnetic core component band When dynamic water shutoff component is moved to the direction far from communication port, deformation occurs for elastic component, it is preferable that and elastic component is compressed, thus When electromagnetic coil powers off, the elastic force that elastic component is generated by deformation drives electromagnetic core component to move to the direction of close communication port, Electromagnetic core component drives water shutoff component to move to the direction close to communication port, and water shutoff component is pressed in communication port again, water Pump is in an off state.

Elastic component can be spring.

In above-mentioned technical proposal, it is preferable that the water shutoff component includes diaphragm, and the diaphragm lid is located at the communication port Place, and water storage cavity is limited with the electromagnetic core component, the diaphragm is equipped with the first receiving hole and the second receiving hole, described First receiving hole for being connected to the water storage cavity and upstream water stream channel, second receiving hole for be connected to the water storage cavity and Downstream water stream channel.

Diaphragm can be rubber, silicon rubber or other softer elastomeric materials.Upstream water stream channel refers to that water flow is logical Part in road between water inlet and communication port, downstream water stream channel refer in water stream channel be located at water outlet be connected to Part between mouthful.

When in water pump access water source such as tap water pipe line, in the case where complete machine is in shutdown status, in the effect of elastic component Lower diaphragm lid is located at communication port, and communication port is closed, and water pump is in sealing closed state.Water in the water stream channel of upstream passes through the One receiving hole enters in water storage cavity, acts on diaphragm, so that elastic component only needs the power of very little can will be in water stream channel Water flow cutting seals.

In above-mentioned technical proposal, it is preferable that the pump case is equipped with barrier rib, and the barrier rib separates the communication port For the first sub- communication port and the second sub- communication port, and the water stream channel is divided into the upstream water stream channel and the downstream Water stream channel, the upstream water stream channel are connected by the described first sub- communication port with the water storage cavity, the downstream water flow Channel is connected by the described second sub- communication port with the water storage cavity, and the water shutoff component gland is used on the barrier rib In opening or closing the described second sub- communication port.

Pump case protrudes to form barrier rib to close to the direction of water shutoff component or communication port, and communication port is divided into first by barrier rib Sub- communication port and the second sub- communication port, the corresponding first communication port setting of the first receiving hole, the corresponding second son connection of the second receiving hole Mouth setting.Water flow in the water stream channel of upstream is entered in water storage cavity by the first sub- communication port, the first receiving hole, in water storage cavity Water is flowed into the water stream channel of downstream by the second sub- communication port, the second receiving hole.

In above-mentioned technical proposal, it is preferable that the water shutoff component further includes water sealing sheet, is located in the water storage cavity, and press It covers on the diaphragm, the water sealing sheet is equipped with the first intercommunicating pore and the second intercommunicating pore, described in first intercommunicating pore is corresponding The setting of first receiving hole, for being connected to the water storage cavity and the upstream water stream channel, second intercommunicating pore corresponds to described the Two receiving holes setting, for being connected to the water storage cavity and the downstream water stream channel.

When water pump access tap water pipe line in, and be in shutdown status when, water sealing sheet with dynamic diaphragm elastic component effect It is in bottom dead centre down, electromagnetic core component contacts to form sealing closed state with water sealing sheet at this time, and diaphragm and communication port contact shape At sealing closed state.Tap water is entered in water storage cavity by the first intercommunicating pore of water sealing sheet under the state, i.e., tap water is located at The upper end of diaphragm, is transmitted on diaphragm so that tap water pressure acts in water sealing sheet, makes elastic component only need very little from face Water can be cut off and be sealed by power.When pump working, while electromagnetic coil is powered, and transports in electromagnetic action lower electromagnet core assembly It moves to top dead-centre, water can flow out to the water outlet of pump case from the second intercommunicating pore at this time.When front end (upstream water stream channel) is pressed When power is larger, diaphragm moves up naturally, and communication port is opened, and water flow is more smooth.

In above-mentioned technical proposal, it is preferable that the water sealing sheet includes water shutoff frame body, the water shutoff frame body respectively to leaning on The direction of nearly first receiving hole and second receiving hole protrudes to form the first pillar and the second pillar, first pillar In first receiving hole, second pillar is located in second receiving hole, wherein the first intercommunicating pore setting On first pillar, second intercommunicating pore is arranged on second pillar.

In above-mentioned technical proposal, it is preferable that the outside wall surface of first pillar is equipped with the first limiting section, first limit Position portion is connected to the side on the diaphragm close to the water stream channel；And/or the outside wall surface of second pillar is equipped with the Two limiting sections, second limiting section are connected to the side on the diaphragm close to the water stream channel；And/or the electromagnetism Core assembly includes the water shutoff cap being connected on the electromagnetic core, and the water shutoff cap is used to open or closes second connection Hole.

First pillar is located in the first receiving hole, and free end (one end far from water shutoff frame body) protrusion of the first pillar First receiving hole；The outside wall surface of first pillar outwardly protrudes to form the first limiting section, and the pressure into the water flow in water storage cavity is made When on diaphragm, the first limiting section has position-limiting action to diaphragm, prevents diaphragm under the action of water flow to logical close to water flow (downward) movement in the direction in road.Water shutoff frame body is located in water storage cavity and gland is on diaphragm, water shutoff frame body and the first limit Play the role of limiting up and down to diaphragm jointly in portion.

Second pillar is located in the second receiving hole, and free end (one end far from water shutoff frame body) protrusion of the second pillar Second receiving hole.The outside wall surface of second pillar outwardly protrudes to form the second limiting section, and the pressure into the water flow in water storage cavity is made When on diaphragm, the second limiting section has position-limiting action to diaphragm, prevents diaphragm under the action of water flow to logical close to water flow (downward) movement in the direction in road.Water shutoff frame body is located in water storage cavity and gland is on diaphragm, water shutoff frame body and the second limit Play the role of limiting up and down to diaphragm jointly in portion.

In above-mentioned technical proposal, it is preferable that the water sealing sheet includes water shutoff frame body and is connected with the water shutoff frame body The third limiting section connect, the diaphragm are equipped with spacing auxiliary section compatible with the third limiting section, are used for the diaphragm Limit when being moved to the direction far from the communication port.

Preferably, the edge of water shutoff frame body protrudes to form third limiting section to the direction far from communication port, when diaphragm exists To when moving close to the direction of third limiting section under the action of water flow in water stream channel, third limiting section offsets with spacing auxiliary section It connects, limitation diaphragm continues to move to the direction close to third limiting section.

In above-mentioned technical proposal, it is preferable that the third limiting section includes the water shutoff frame body to far from the connection The flange to be formed is protruded in the direction of mouth, and the spacing auxiliary section includes that the diaphragm protrudes to be formed to the direction close to the flange First protrusion.

Preferably, in a ring, spacing auxiliary section is in a ring for third limiting section.

In above-mentioned technical proposal, it is preferable that first protrusion is equipped with opening towards institute close to the side of the communication port State the open slot of communication port.

Electromagnetic core component gland is located on the part on the outside of open slot in water sealing sheet, and the first receiving hole and second accommodates Hole, which is arranged in water sealing sheet, to be located on the part on the inside of open slot.Setting open slot can enhance water sealing sheet and be located on the inside of open slot Part deformability.Preferably, open slot be in U-shape, V-arrangement or other shapes.

In above-mentioned technical proposal, it is preferable that the diaphragm extends outward to form extension, and the extending part is in the limit The outside of position auxiliary section, the electromagnetic core component gland are connected on the extension or with the extension.

In above-mentioned technical proposal, it is preferable that the extension protrudes to be formed to the direction close to the electromagnetic core component Second protrusion, forms groove between second protrusion and the spacing auxiliary section, the electromagnetic core component is equipped with and institute The compatible third protrusion of groove is stated, the third protrusion is limited in the groove.

In above-mentioned technical proposal, it is preferable that the electromagnetic core component further includes housing, and the housing is set in institute The outside of electromagnetic core is stated, the electromagnetic coil is set in the outside of the housing, and the shielding jacket gland is in the water shutoff It is connected on component or with the water shutoff component；And/or the water pump is booster pump.

The technical solution of the utility model the second aspect provides a kind of household electrical appliance, the technical side including such as first aspect Water pump described in any one of case.

The household electrical appliance that the technical solution of the utility model the second aspect provides, because of the technical solution including first aspect Any one of described in water pump, thus the beneficial effect with water pump described in any of the above-described technical solution, details are not described herein.

In above-mentioned technical proposal, it is preferable that the household electrical appliance are water purifier, water heater, water dispenser or beverage dispenser.

The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this The practice of type is recognized.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the structural schematic diagram of water pump described in one embodiment of the utility model；

Fig. 2 be in Fig. 1 A-A to schematic cross-sectional view, wherein communication port is in close state；

Fig. 3 be in Fig. 1 A-A to schematic cross-sectional view, wherein communication port is in the open state, arrow direction illustrate water The direction of stream；

Fig. 4 is the structural schematic diagram of pump case described in one embodiment of the utility model；

Fig. 5 is the schematic cross-sectional view of B-B direction in Fig. 4；

Fig. 6 is the structural schematic diagram of diaphragm described in one embodiment of the utility model；

Fig. 7 be in Fig. 6 C-C to schematic cross-sectional view；

Fig. 8 is the structural schematic diagram of water sealing sheet described in one embodiment of the utility model；

Fig. 9 be in Fig. 8 D-D to schematic cross-sectional view；

Figure 10 is the structural schematic diagram of water sealing sheet described in another embodiment of the utility model.

Wherein, corresponding relationship of the Fig. 1 into Figure 10 between appended drawing reference and component names are as follows:

1 pump case, 11 water stream channels, 111 upstream water stream channels, 112 downstream water stream channels, 12 water inlets, 13 water outlets, 14 Communication port, 141 first sub- communication ports, 142 second sub- communication ports, 15 barrier ribs, 16 annular walls, 17 high pressure chests, 18 through-holes, 19 is heavy Hole, 20 notches, 200 water shutoff components, 2 diaphragms, 21 first receiving holes, 22 second receiving holes, 23 spacing auxiliary sections, 231 first foldings Side, 232 second flangings, 24 extensions, 25 second protrusions, 26 grooves, 27 open slots, 3 water sealing sheets, 31 water shutoff frame bodies, 32 the One intercommunicating pore, 33 second intercommunicating pores, 34 first pillars, 341 first limiting sections, 35 second pillars, 351 second limiting sections, 36 Three limiting sections, 4 electromagnetic coil assemblies, 5 electromagnetic core components, 51 electromagnetic cores, 52 water shutoff caps, 53 housings, 531 thirds are convex It rises, 6 elastic components, 500 water storage cavities.

Specific embodiment

In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen The feature in embodiment and embodiment please can be combined with each other.

Many details are explained in the following description in order to fully understand the utility model, still, this is practical It is novel to be implemented using other than the one described here mode, therefore, the protection scope of the utility model not by The limitation of following public specific embodiment.

Water pump and household electrical appliance according to some embodiments of the utility model is described with reference to the accompanying drawings.

As shown in Figure 1 to Figure 3, a kind of water pump provided according to some embodiments of the utility model, including pump main body, water shutoff Component 200, electromagnetic coil assembly 4 and electromagnetic core component 5.As shown in Figure 4 and Figure 5, pump main body includes pump case 1, tool in pump case 1 There is water stream channel 11, pump case 1 is equipped with communication port 14, for being connected to the water inlet 12 and water outlet 13 of water stream channel 11；Water shutoff The lid of component 200 is located at communication port 14, is used to open or closes communication port 14；The setting of electromagnetic coil assembly 4 is in pump main body, electricity Magnetic coil assemblies 4 include electromagnetic coil；Electromagnetic core component 5 includes the electromagnetic core 51 in electromagnetic coil, electromagnetic core Component 5 is pressed on water shutoff component 200, and when so that electromagnetic coil being powered, electromagnetic core component 5 is to far from water shutoff component 200 Direction movement or electromagnetic core component 5 are connected with water shutoff component 200, when so that electromagnetic coil being powered, electromagnetic core component 5 drive water shutoff components 200 are moved to the direction far from communication port 14.

The utility model water pump provided by the above embodiment, for 5 gland of electromagnetic core component on water shutoff component 200 Situation, when electromagnetic coil is not powered on, for 5 gland of electromagnetic core component on water shutoff component 200, water shutoff component 200 closes connection Mouth 14, water inlet 12 is separated with water outlet 13, and water pump is in close state；When electromagnetic coil is powered, electromagnetic core group Part 5 leaves water shutoff component 200, and water shutoff component 200 leaves communication port 14, communication port 14 under the action of water flow in water stream channel 11 It opens, water inlet 12 is connected to water outlet 13, and water pump is in the open state.For electromagnetic core component 5 and 200 phase of water shutoff component The case where connection, when electromagnetic coil is not powered on, water shutoff component 200 closes communication port 14, between water inlet 12 and water outlet 13 It disconnects, water pump is in close state；When electromagnetic coil is powered, electromagnetic core component 5 drives water shutoff component 200 to far from connection The direction movement of mouth 14, communication port 14 are opened, and water inlet 12 is connected to water outlet 13, and water pump is in the open state.

Compared to the relevant technologies, in the application without individually increase in household electrical appliance solenoid valve realize water pump conducting with It disconnects, the conducting and disconnection of water pump is realized by the cooperation of electromagnetic coil assembly 4, electromagnetic core component 5 and water shutoff component 200, To realize the control between the autonomous conducting of water pump and disconnection, to save water pipe circuit node in machine system, greatly The probability of leakage from water pump is reduced greatly.

Preferably, electromagnetic coil assembly 4 further include: elastic component 6, when electromagnetic core component 5 is to far from water shutoff component 200 When direction movement or drive water shutoff component 200 are moved to the direction far from communication port 14, deformation occurs for elastic component 6.

In a specific embodiment, elastic component 6 is supported between water shutoff component 200 and electromagnetic core component 5.It is preferred that Ground, elastic component 6 are supported between water shutoff component 200 and electromagnetic core 51.

In another specific embodiment, elastic component 6 is connected on electromagnetic core component 5.Preferably, electromagnetic core group Part 5 further includes housing 53, and housing 53 is set in the outside of electromagnetic core 51, and electromagnetic coil is set in the outer of housing 53 Side, 53 gland of housing are connected on water shutoff component 200 or with water shutoff component 200.Elastic component is connected on electromagnetic core, And it is supported between electromagnetic core one end and housing far from water shutoff component.

In the case where electromagnetic core component 5 is pressed on water shutoff component 200, when electromagnetic coil is powered, electromagnetic core group When part 5 is moved to the direction far from water shutoff component 200, deformation occurs for elastic component 6, it is preferable that and elastic component 6 is compressed, thus When electromagnetic coil powers off, elastic component 6 drives electromagnetic core component 5 to the side close to water shutoff component 200 because of the elastic force that deformation generates To movement, water shutoff component 200 is pressed on again in communication port 14, and water pump is in an off state.

In the case where electromagnetic core component 5 is connected on water shutoff component 200, when electromagnetic coil is powered, electromagnetic core group When part 5 drives water shutoff component 200 to move to the direction far from communication port 14, deformation occurs for elastic component 6, it is preferable that 6 quilt of elastic component Compression, so that elastic component 6 drives electromagnetic core component 5 to close to connection because of the elastic force that deformation generates in electromagnetic coil power-off The direction movement of mouth 14, electromagnetic core component 5 drive water shutoff component 200 to move to the direction close to communication port 14, water shutoff component 200 are pressed on again in communication port 14, and water pump is in an off state.

Elastic component 6 can be spring.

Preferably, as shown in Fig. 8 to Figure 10, water shutoff component 200 includes diaphragm 2, and the lid of diaphragm 2 is located at communication port 14, and Water storage cavity 500 is limited with electromagnetic core component 5, diaphragm 2 is equipped with the first receiving hole 21 and the second receiving hole 22, and first accommodates Hole 21 is for being connected to water storage cavity 500 and upstream water stream channel 111, and the second receiving hole 22 is for being connected to water storage cavity 500 and downstream water Circulation road 112.

Diaphragm 2 can be rubber, silicon rubber or other softer elastomeric materials.Upstream water stream channel 111 refers to water Part in circulation road 11 between water inlet 12 and communication port 14, downstream water stream channel 112 refer in water stream channel 11 Part between water outlet 13 and communication port 14.

When in water pump access water source such as tap water pipe line, in the case where complete machine is in shutdown status, in the effect of elastic component 6 The lower lid of diaphragm 2 is located at communication port 14, and communication port 14 is closed, and water pump is in sealing closed state.In upstream water stream channel 111 Water is entered in water storage cavity 500 by the first receiving hole 21, is acted on diaphragm 2, so that elastic component 6 only needs the power of very little Water flow cutting in water stream channel 11 is sealed.

Preferably, pump case 1 is equipped with barrier rib 15, and communication port 14 is divided into the first sub- 141 He of communication port by barrier rib 15 Second sub- communication port 142, and water stream channel 11 is divided into upstream water stream channel 111 and downstream water stream channel 112, upstream water flow Channel is connected by the first sub- communication port with water storage cavity, and downstream water stream channel is connected by the second sub- communication port with water storage cavity Logical, water shutoff component 200 is used to open or closes the second sub- communication port 142.

It is equipped with a circle annular wall 16 in the center of inside of pump case 1, annular wall 16 limits high pressure chest 17, the top of high pressure chest 17 There is through-hole 18 in portion, is equipped with barrier rib 15 in the reverse side of high pressure chest.Pump case 1 is to the direction close to water shutoff component 200 or communication port 14 (upward) protrusion forms barrier rib 15, it is preferable that in a ring, barrier rib 15 is equipped with notch to barrier rib 15, by notch and goes out The mouth of a river 12 is connected.Barrier rib 15 divides communication port 14 for the first sub- communication port 141 and the second sub- communication port 142, the first receiving hole 21 corresponding first sub- communication ports 141 are arranged, and the corresponding second sub- communication port 142 of the second receiving hole 22 is arranged.Upstream water stream channel 111 In water flow entered in water storage cavity 500 by the first sub- communication port 141, the first receiving hole 21, water in water storage cavity passes through second Sub- communication port 142, the second receiving hole flow into the water stream channel of downstream.

Preferably, as shown in Figure 6 and Figure 7, water shutoff component 200 further includes water sealing sheet 3, and water sealing sheet 3 is located at water storage cavity 500 Interior, and gland is on diaphragm 2, water sealing sheet 3 is equipped with the first intercommunicating pore 32 and the second intercommunicating pore 33, the first intercommunicating pore 32 corresponding the One receiving hole 21 setting, for being connected to water storage cavity 500 and upstream water stream channel 111, corresponding second receiving hole of the second intercommunicating pore 33 22 settings, for being connected to water storage cavity 500 and downstream water stream channel 112.

When accessing in tap water pipe line as shown in Fig. 2, working as water pump, and being in shutdown status, water sealing sheet 3 exists with dynamic diaphragm 2 Bottom dead centre is under the action of elastic component 6, electromagnetic core component 5 contacts formation sealing closed state, diaphragm with water sealing sheet 3 at this time 2 contact formation sealing closed state with communication port 14.Tap water enters storage by the first intercommunicating pore 32 of water sealing sheet 3 under the state In water cavity 500, i.e. the tap water upper end that is located at diaphragm 2 is transmitted on diaphragm 2 so that tap water pressure acts in water sealing sheet 3, Making elastic component 6 only from face needs the power of very little that can seal water cutting.When pump working, while electromagnetic coil is powered, Top dead-centre is moved in electromagnetic action lower electromagnet core assembly 5, as shown in figure 3, water can flow from the second intercommunicating pore 33 at this time Out to the water outlet 13 of pump case 1.When front end (upstream water stream channel 111) pressure is larger, diaphragm 2 moves up naturally, connection Mouth 14 is opened, and water flow is more smooth.

Preferably, water sealing sheet 3 includes water shutoff frame body 31, water shutoff frame body 31 respectively to close to the first receiving hole 21 and the The direction of two receiving holes 22 protrudes to form the first pillar 34 and the second pillar 35, and the first pillar 34 is located in the first receiving hole 21, Second pillar 35 is located in the second receiving hole 22, wherein the first intercommunicating pore 32 is arranged on the first pillar 34, and the second intercommunicating pore is set It sets on the second pillar 35.

Preferably, the outside wall surface of the first pillar 34 is equipped with the first limiting section 341, and the first limiting section 341 is connected to diaphragm 2 The upper side (being connected on the lower surface of diaphragm) close to water stream channel 11.

The outside wall surface of second pillar 35 is equipped with the second limiting section 351, and the second limiting section 351 is connected to close on diaphragm 2 The side (being connected on the lower surface of diaphragm) of water stream channel 11.

Electromagnetic core component 5 includes the water shutoff cap 52 being connected on electromagnetic core 51, and water shutoff cap 52 is used to open or closes Second intercommunicating pore 33.Preferably, electromagnetic core is equipped with back-off close to one end of water shutoff component, and water shutoff cap is connected in back-off.

First pillar 34 is located in the first receiving hole 21, and the free end of the first pillar 34 is (far from water shutoff frame body 31 One end) the first receiving hole 21 of protrusion；The outside wall surface of first pillar 34 outwardly protrudes to form the first limiting section 341, into water storage cavity When the pressure of water flow in 500 is acted on diaphragm 2, the first limiting section 341 has position-limiting action to diaphragm 2, prevents diaphragm 2 from existing To (downward) movement in the direction close to water stream channel 11 under the action of water flow.Water shutoff frame body 31 is located in water storage cavity 500 and presses It covers on diaphragm 2, water shutoff frame body 31 and the first limiting section 341 play the role of limiting up and down to diaphragm 2 jointly.

Second pillar 35 is located in the second receiving hole 22, and the free end of the second pillar 35 is (far from water shutoff frame body 31 One end) the second receiving hole 22 of protrusion.The outside wall surface of second pillar 35 outwardly protrudes to form the second limiting section 351, into water storage cavity When the pressure of water flow in 500 is acted on diaphragm 2, the second limiting section 351 has position-limiting action to diaphragm 2, prevents diaphragm 2 from existing To (downward) movement in the direction close to water stream channel 11 under the action of water flow.Water shutoff frame body 31 is located in water storage cavity 500 and presses It covers on diaphragm 2, water shutoff frame body 31 and the second limiting section 351 play the role of limiting up and down to diaphragm 2 jointly.

Preferably, diaphragm is equipped at least one first receiving hole, and water sealing sheet is equipped with to be corresponded with the first receiving hole At least one first pillar.

Preferably, water sealing sheet 3 includes that water shutoff frame body 31 and water shutoff frame body 31 are protruded to the direction far from communication port 14 The third limiting section 36 of formation, diaphragm 2 be equipped with spacing auxiliary section 23 compatible with third limiting section 36, for diaphragm 2 to Limit when direction far from communication port 14 moves.

Preferably, the edge of water shutoff frame body 31 forms third limiting section to (upward) protrusion in the direction far from communication port 14 36, under the action of the water flow in water stream channel 11 of diaphragm 2 when movement (upward) to the direction of close third limiting section 36, third Limiting section 36 is abutted against with spacing auxiliary section 23, and limitation diaphragm 2 continues to move to the direction close to third limiting section 36.

Preferably, third limiting section 36 includes that water shutoff frame body 31 to the direction far from communication port 14 protrudes turning over of being formed Side, spacing auxiliary section 23 include that diaphragm 2 protrudes the first protrusion to be formed to the direction close to flange.

Preferably, in a ring, and flange is arc-shaped for third limiting section 36, and spacing auxiliary section 23 is in a ring.

Preferably, the first protrusion is equipped with open slot 27 of the opening towards communication port 14 close to the side of communication port 14.Such as Fig. 9 With shown in Figure 10, the lower surface of the first protrusion is equipped with open slot.

5 gland of electromagnetic core component is on the part that water sealing sheet 3 is located at 27 outside of open slot, the first receiving hole 21 and second Receiving hole 22 is arranged in water sealing sheet 3 and is located on the part of 27 inside of open slot.Setting open slot 27 can enhance water sealing sheet 3 and be located at The deformability of the part of 27 inside of open slot.Preferably, open slot 27 be in U-shape, V-arrangement or other shapes.As shown in figure 9, envelope Water frame body is arranged at the first receiving hole and the second receiving hole also at planar, diaphragm upper periphery is equipped in planar on diaphragm First flanging 231, the first flanging 231 form the second reversed flanging 232, the first flanging 231 and the second flanging after extending outwardly 232 form the open slot that section is " u "-shaped, and the second flanging 232 is equipped with lateral extensions 24.

Preferably, diaphragm 2 extends outward to form extension 24, and extension 24 is located at the outside of spacing auxiliary section 23, electromagnetism 5 gland of core assembly is connected on extension 24 or with extension 24.Pump case is equipped with counterbore close to one end of water shutoff component 19, water shutoff component is located in counterbore 19, and the lower end of housing is located in counterbore, and is pressed on extension, and extending part is in pump Between shell and housing, pump case and housing squeeze extension jointly, so that interference is matched between pump case, housing and extension It closes, guarantees the leakproofness between electromagnetic core component, pump case and water shutoff component.

Preferably, as shown in figure 9, extension 24 protrudes to form the second protrusion 25 to the direction close to electromagnetic core component 5, Groove 26 is formed between second protrusion 25 and spacing auxiliary section 23, electromagnetic core component 5 is equipped with compatible with groove 26 the Three protrusions 531, third protrusion are limited in groove 26.Preferably, the lower end of housing extends to form third protrusion, third protrusion In a ring, second protrusion in a ring.

Preferably, water pump is booster pump.

The embodiment of the utility model the second aspect provides a kind of household electrical appliance, the technical solution including such as first aspect Any one of water pump.

The household electrical appliance that the embodiment of the utility model the second aspect provides, because appointing in the embodiment including first aspect One water pump, thus the beneficial effect of the water pump with any of the above-described embodiment, details are not described herein.

Preferably, household electrical appliance are water purifier, water heater, water dispenser or beverage dispenser.

In conclusion water pump provided by the embodiment of the utility model, by the first receiving hole 21, the second receiving hole on diaphragm 2 22 are aligned with the first pillar 34 of water sealing sheet 3, the second pillar 35 respectively, and diaphragm 2 is buckled in water sealing sheet 3, then by water shutoff component 200 are put into the counterbore 19 on 1 top of pump case, water shutoff cap 52 are buckled in the back-off of electromagnetic core 51, place into and be placed into advance In the housing 53 of elastic component 6, then housing 53 is covered on diaphragm 2 and water sealing sheet 3, is finally inserted in electromagnetic coil group again Part 4 simultaneously accomplishes fluently clamp-screw.The structure forms interference fit seal by pump case 1, housing 53 and diaphragm 2, keeps water pump in office All in sealing state under the conditions of what.Water source is connected at the water inlet 12 of water pump, and when complete machine is in shutdown status, water sealing sheet 3 band dynamic diaphragms 2 are in bottom dead centre under the action of elastic component 6, and water shutoff cap 52 contacts formation sealing with water sealing sheet 3 and closes shape at this time State, diaphragm 2 contact formation sealing closed state with the barrier rib 15 of pump case 1.Tap water passes through the first of water sealing sheet 3 under the state The upper end of 32 inlet membrane 2 of intercommunicating pore, is transmitted on diaphragm 2 so that tap water pressure acts in water sealing sheet 3, makes bullet from face Property part 6 only need very little power can by water cut off seal.When pump working, while electromagnetic assembly is powered, in electromagnetic action Lower electromagnet core 51 moves to top dead-centre together with water shutoff cap 52.Water can flow out to pump case from the second intercommunicating pore 33 at this time 1 water outlet 13.When forefront pressure is larger, diaphragm 2 moves up naturally, and the first communication port 14, the second communication port 14 are opened, So that water flow is more smooth.In electromagnetic coil without in electric situation, electromagnetic core and water shutoff cap are in bottom dead centre, and entire water pump is in Closed state, water route is dissengaged positions at this time.When electromagnetic coil is powered, after electromagnetic core and water shutoff cap act upwards, Entire water pump is in the open state.

In the description of the present invention, unless otherwise clearly defined and limited, term " multiple " refers to two or two More than a；Unless otherwise prescribed or illustrate, term " connection ", " fixation " etc. shall be understood in a broad sense, for example, " connection " can be It is fixedly connected, may be a detachable connection, or be integrally connected, or electrical connection；It can be directly connected, it can also be in Between medium be indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be Concrete meaning in utility model.

In the description of this specification, it is to be understood that the instruction such as term " on ", "lower", "front", "rear", "left", "right" Orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and letter Change description, rather than the device or unit of indication or suggestion meaning must have specific direction, with specific orientation construct and Operation, it is thus impossible to be construed as a limitation of the present invention.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples In can be combined in any suitable manner.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (15)

1. a kind of water pump characterized by comprising

Main body, including pump case are pumped, there is water stream channel in the pump case, the pump case is equipped with communication port, described for being connected to The inlet and outlet of water stream channel；

Water shutoff component, lid are located at the communication port, are used to open or close the communication port；

Electromagnetic coil assembly is arranged in the pump main body, and the electromagnetic coil assembly includes electromagnetic coil；With

Electromagnetic core component, the electromagnetic core component include the electromagnetic core in the electromagnetic coil, the electromagnet Core assembly is pressed on the water shutoff component, and when so that the electromagnetic coil being powered, the electromagnetic core component is to far from described The direction of water shutoff component moves or the electromagnetic core component is connected with the water shutoff component, so that the electromagnetic coil When energization, the electromagnetic core component drives the water shutoff component to move to the direction far from the communication port.

2. water pump according to claim 1, which is characterized in that further include:

Elastic component is supported between the water shutoff component and the electromagnetic core component, or is connected to the electromagnetic core group On part, and move or drive the water shutoff component to separate to the direction far from the water shutoff component when the electromagnetic core component When the direction movement of the communication port, deformation occurs for the elastic component.

3. water pump according to claim 1 or 2, which is characterized in that

The water shutoff component includes diaphragm, and the diaphragm lid is located at the communication port, and is limited with the electromagnetic core component Water storage cavity out, the diaphragm are equipped with the first receiving hole and the second receiving hole, and first receiving hole is for being connected to the water storage Chamber and upstream water stream channel, second receiving hole is for being connected to the water storage cavity and downstream water stream channel.

4. water pump according to claim 3, which is characterized in that

The pump case is equipped with barrier rib, and the communication port is divided into the first sub- communication port and is connected to the second son by the barrier rib Mouthful, and the water stream channel is divided into the upstream water stream channel and the downstream water stream channel, the upstream water stream channel Be connected by the described first sub- communication port with the water storage cavity, the downstream water stream channel by the described second sub- communication port with The water storage cavity is connected, and the water shutoff component gland is used to open or closes the second son connection on the barrier rib Mouthful.

5. water pump according to claim 3, which is characterized in that

The water shutoff component further includes water sealing sheet, is located in the water storage cavity, and gland is on the diaphragm, in the water sealing sheet Equipped with the first intercommunicating pore and the second intercommunicating pore, first intercommunicating pore corresponds to the first receiving hole setting, described for being connected to Water storage cavity and the upstream water stream channel, second intercommunicating pore corresponds to the second receiving hole setting, for being connected to the storage Water cavity and the downstream water stream channel.

6. water pump according to claim 5, which is characterized in that

The water sealing sheet includes water shutoff frame body, the water shutoff frame body respectively to close to first receiving hole and described second The first pillar and the second pillar to be formed are protruded in the direction of receiving hole, and first pillar is located in first receiving hole, institute The second pillar to be stated to be located in second receiving hole, wherein first intercommunicating pore is arranged on first pillar, and described the Two intercommunicating pores are arranged on second pillar.

7. water pump according to claim 6, which is characterized in that

The outside wall surface of first pillar is equipped with the first limiting section, and first limiting section is connected on the diaphragm close to institute State the side of water stream channel；And/or

The outside wall surface of second pillar is equipped with the second limiting section, and second limiting section is connected on the diaphragm close to institute State the side of water stream channel；And/or

The electromagnetic core component includes the water shutoff cap being connected on the electromagnetic core, and the water shutoff cap is used to open or closes Second intercommunicating pore.

8. water pump according to claim 5, which is characterized in that

The water sealing sheet includes water shutoff frame body and the third limiting section that is connected with the water shutoff frame body, is set on the diaphragm There is spacing auxiliary section compatible with the third limiting section, when moving for the diaphragm to the direction far from the communication port Limit.

9. water pump according to claim 8, which is characterized in that

The third limiting section, which includes the water shutoff frame body, protrudes the flange to be formed to the direction far from the communication port, described Spacing auxiliary section includes that the diaphragm protrudes the first protrusion to be formed to the direction close to the flange.

10. water pump according to claim 9, which is characterized in that

First protrusion is equipped with open slot of the opening towards the communication port close to the side of the communication port.

11. water pump according to claim 8, which is characterized in that

The diaphragm extends outward to form extension, and the extending part is in the outside of the spacing auxiliary section, the electromagnet Core assembly gland is connected on the extension or with the extension.

12. water pump according to claim 11, which is characterized in that

The extension to close to the electromagnetic core component direction protrude to be formed second protrusion, it is described second protrusion with it is described Groove is formed between spacing auxiliary section, the electromagnetic core component is equipped with third protrusion compatible with the groove, described Third protrusion is limited in the groove.

13. water pump according to claim 1 or 2, which is characterized in that

The electromagnetic core component further includes housing, and the housing is set in the outside of the electromagnetic core, the electromagnetism Coil is set in the outside of the housing, the shielding jacket gland on the water shutoff component or with the water shutoff component phase Connection；And/or

The water pump is booster pump.

14. a kind of household electrical appliance, which is characterized in that including the water pump as described in any one of claims 1 to 13.

15. household electrical appliance according to claim 14, which is characterized in that

The household electrical appliance are water purifier, water heater, water dispenser or beverage dispenser.