CN107701429A - Fluid pump and household electrical appliance - Google Patents

Fluid pump and household electrical appliance Download PDF

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Publication number
CN107701429A
CN107701429A CN201711100378.9A CN201711100378A CN107701429A CN 107701429 A CN107701429 A CN 107701429A CN 201711100378 A CN201711100378 A CN 201711100378A CN 107701429 A CN107701429 A CN 107701429A
Authority
CN
China
Prior art keywords
elastic component
cavity
motor
upper lid
switch
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.)
Granted
Application number
CN201711100378.9A
Other languages
Chinese (zh)
Other versions
CN107701429B (en
Inventor
左杰
刘磊
周军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201711100378.9A priority Critical patent/CN107701429B/en
Publication of CN107701429A publication Critical patent/CN107701429A/en
Application granted granted Critical
Publication of CN107701429B publication Critical patent/CN107701429B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/08Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/18Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0034Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Rotary Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention provides a kind of fluid pump and household electrical appliance.The fluid pump includes the pump housing, motor, upper lid and elastic component.The pump housing limits the cavity of one end open, and motor is connected with the pump housing, and upper lid includes upper the lid body and switch being connected, upper lid body cap is located at the openend of cavity, switch is connected with motor, and for the power on/off of controlled motor, elastic component includes elastic component body and the auxiliary section being connected, elastic component is arranged in cavity, and auxiliary section is correspondingly arranged with switch, when the pressure of fluid exceedes preset pressure in cavity, fluid matasomatism is in auxiliary section, auxiliary section drives switch motion, is powered off with controlled motor.Fluid pump provided by the invention, when the pressure of the fluid in cavity exceedes preset pressure, the fluid in cavity drives switch motion by elastic component, so that motor powers off, realizes the overvoltage protection to motor, improves the security that fluid pump uses.

Description

Fluid pump and household electrical appliance
Technical field
The present invention relates to kitchen utensils field, more specifically, is related to a kind of fluid pump and the family expenses including the fluid pump Electrical equipment.
Background technology
For example traditional beverage machine of existing household electrical appliance, its gear pump does not all have overvoltage protection typically, i.e., from water inlet Water inlet, by the engagement of two gears, from the water of delivery port discharge high pressure.Often water is plugged in delivery port for such a design, or When being overload, gear heavy wear can be caused, and then cause motor temperature rise too high.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.
Therefore, the purpose of one aspect of the present invention is to provide a kind of fluid pump.
The purpose of another aspect of the present invention is to provide a kind of household electrical appliance for including above-mentioned fluid pump.
To achieve the above object, the embodiment of one aspect of the present invention provides a kind of fluid pump, including:The pump housing, limit Make the cavity of one end open;Motor, it is connected with the pump housing;Upper lid, including upper the lid body and switch being connected, it is described Upper lid body cap is located at the openend of the cavity, and the switch is connected with the motor, for controlling the logical of the motor Power-off;And elastic component, including the elastic component body being connected and auxiliary section, the elastic component be arranged in the cavity, and institute State auxiliary section with it is described switch be correspondingly arranged, when the pressure of fluid exceedes preset pressure in the cavity, the fluid matasomatism in The auxiliary section, the auxiliary section drive the switch motion, to control the motor to power off.
The fluid pump that the above embodiment of the present invention provides, in fluid when water outlet is plugged, causes cavity When the pressure of interior fluid exceedes preset pressure, on fluid matasomatism in cavity to elastic component, cause elastic component to close to upper lid Direction motion so that auxiliary section to close to switch direction move, drive switch motion so that motor power off, realization To the overvoltage protection of motor, avoid motor temperature too high, improve the security that fluid pump uses.
In addition, the fluid pump that the above embodiment of the present invention provides also has following additional technical feature:
In above-mentioned technical proposal, it is preferable that protruded on the elastic component body close to the surface of the upper lid to be formed it is described Auxiliary section.
Protrude to form auxiliary section to close to the direction of switch close to the surface of upper lid on elastic component body.
Preferably, elastic component is that rubber or the elastic component of silica gel material, elastic component need appropriate hardness, and auxiliary section Size, the needs such as thickness it is corresponding with preset pressure.
In above-mentioned technical proposal, it is preferable that the fluid pump also includes:Cover plate, in the cavity, and it is arranged on institute Side of the elastic component away from the upper lid is stated, the cover plate is provided with the through hole being connected with the cavity, the through hole and institute Auxiliary section is stated to be correspondingly arranged.
In above-mentioned technical proposal, it is preferable that the first gear and second gear that can be meshed are provided with the cavity, its In, the cover plate lid is located in the first gear and the second gear, the motor shaft of the motor and the first gear It is connected;And/or the sealing that the elastic component is used between the cover plate and the upper lid.
Cover plate is within the cavity, and covers and be located in first gear and second gear, and for closed cavity, elastic component is arranged on Between cover plate and upper lid, for the sealing between cover plate and upper lid, so as to realize the sealing to cavity hatch end.Stream in cavity Body acts on auxiliary section by through hole, and acts on switch by auxiliary section, realizes the power on/off to motor.
Preferably, cover plate is metallic plate, such as stainless steel plate, and certainly, cover plate can also be the plate of other materials.
In above-mentioned technical proposal, it is preferable that the border of the through hole is provided with raised sealed muscle, on the elastic component body Provided with the seal groove corresponding with the sealed muscle, seal groove in a ring, in sealed muscle insertion seal groove, realizes elastic component and lid Sealing between plate;Or the border of the through hole is provided with seal groove, the elastic component body is provided with and the seal groove phase Corresponding sealed muscle, sealed muscle in a ring, in sealed muscle insertion seal groove, realize the sealing between elastic component and cover plate.
In above-mentioned technical proposal, it is preferable that the elastic component is provided with the first location division, the upper lid be provided with it is described The second location division that first location division is engaged, first location division and second location division are used for the elastic component and institute The positioning of lid is stated, so that the auxiliary section is corresponding with the switch.
When upper lid assembles with elastic component, in order that must switch corresponding with auxiliary section, it is fixed that first is provided with elastic component Position portion, upper lid are provided with the second location division, when the first location division is engaged with the second location division, realized between elastic component and upper lid Positioning, and then realize that auxiliary section is corresponding with the position of the switch.
In above-mentioned technical proposal, it is preferable that first location division is the projection set on the elastic component body, described Upper lid body is provided with mounting groove, and for the switch in the mounting groove, second location division is the groove of the mounting groove Wall, the cell wall of the mounting groove are connected in the projection.
First location division is to protrude the projection to be formed to the direction close to upper lid close to the surface of upper lid on elastic component body, Upper lid body is provided with opening towards raised mounting groove, and the cell wall of mounting groove openend is connected to the outside or inner side of projection, The positioning between elastic component and upper lid is realized, matching part is in the region that mounting groove limits.
Certainly, the first location division and the second location division can be other forms, such as the first location division is elastic component body The groove position of upper setting, the second location division is the muscle position that is engaged with the groove position, when the muscle position is engaged with the groove position, switch and Auxiliary section is corresponding.
In above-mentioned technical proposal, it is preferable that the pump housing is provided with the water inlet and delivery port being connected with the cavity, It is described to switch the high-pressure area setting that the cavity is corresponded to the auxiliary section;And/or the switch is mutually gone here and there with the motor Connection.
The high-pressure area of switch and auxiliary section respective chamber is set, it is preferable that switch and auxiliary section are set close to delivery port Or it is arranged on water outlet.Certainly, switch and auxiliary section can also be arranged on other positions.
In above-mentioned technical proposal, it is preferable that the pump housing is provided with the water inlet and delivery port being connected with the cavity, The water inlet is provided with filtration members;And/or the pump housing is provided with the water inlet and delivery port being connected with the cavity, The water inlet is set close to the motor, and the delivery port is set close to the upper lid..
The sealing ring for sealed electric-motor and the pump housing is provided between motor and the pump housing, it is preferable that the pump housing is for two layers or more Sandwich construction, intake from lower floor's cavity (part on cavity on the lower), upper strata cavity (top part on cavity) water outlet can Effect of the hydraulic pressure to sealing ring is reduced, increases the life-span of sealing ring.Water inlet increases filtration members, prevents impurity from entering cavity, blocks Dead gear operation.Filtration members can be but be not limited to metal screen, PP cotton filter cores or active carbon filter core etc..
The embodiment of second aspect of the present invention provides a kind of household electrical appliance, including the fluid described in any of the above-described embodiment Pump, thus with the beneficial effect of the fluid pump described in any of the above-described embodiment, will not be repeated here.
In above-mentioned technical proposal, it is preferable that the household electrical appliance are water dispenser, beverage machine, water purifier, coffee machine or hot water Device.
The additional aspect and advantage of the present invention will become obvious in following description section, or the practice by the present invention Recognize.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment Substantially and it is readily appreciated that, wherein:
Fig. 1 is the structural representation at one visual angle of elastic component described in one embodiment of the present of invention;
Fig. 2 is the cross section structure diagram of the elastic component shown in Fig. 1;
Fig. 3 is the structural representation at another visual angle of the elastic component shown in Fig. 1;
Fig. 4 is the structural representation at one visual angle of the pump housing described in one embodiment of the present of invention;
Fig. 5 is the structural representation at another visual angle of the pump housing shown in Fig. 4;
Fig. 6 is the cross section structure diagram of the pump housing shown in Fig. 4;
Fig. 7 is the local structural representation of the fluid pump described in one embodiment of the present of invention;
Fig. 8 is the structural representation at first visual angle of upper lid described in one embodiment of the present of invention;
Fig. 9 is the structural representation at second visual angle of upper lid shown in Fig. 8;
Figure 10 is the structural representation at the 3rd visual angle of upper lid shown in Fig. 8;
Figure 11 is the cross section structure diagram of the fluid pump described in one embodiment of the present of invention;
Figure 12 is the mplifying structure schematic diagram in A portions in Figure 11;
Figure 13 is the schematic diagram of the fluid pump mode of connection described in one embodiment of the present of invention;
Figure 14 is the decomposition texture schematic diagram of the fluid pump described in one embodiment of the present of invention.
Wherein, corresponding relations of the Fig. 1 into Figure 14 between reference and component names is:
1 fluid pump, 11 pump housings, 111 cavitys, 112 first gears, 113 water inlets, 114 delivery ports, 115 filtration members, 12 electricity Machine, cover on 13, lid body on 131,132 switches, 1321 the first terminals, 1322 Second terminals, 133 mounting grooves, 14 elastic components, 141 elastic component bodies, 142 auxiliary sections, 143 first location divisions, 144 seal grooves, 15 cover plates, 151 through holes, 152 sealed muscles, 16 is close Seal.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also By using other be different from it is described here in a manner of implement, therefore, protection scope of the present invention is not by following public tool The limitation of body embodiment.
1 to 14 fluid pump according to some embodiments of the invention and household electrical appliance are described with reference to the accompanying drawings.The fluid pump Can be gear pump or booster water pump (booster pump).The fluid pump in the present invention is said by taking gear pump as an example below It is bright.
As shown in Fig. 4 to Fig. 7, Figure 11 to Figure 14, a kind of fluid pump 1 for providing according to some embodiments of the invention, including The pump housing 11, motor 12, upper lid 13 and elastic component 14.The pump housing 11 limits the cavity 111 of one end open, and tooth is provided with cavity 111 Wheel;The motor shaft of motor 12 is connected with gear, specifically, first gear 112 and second gear are provided with cavity 111, first Gear 112 is connected with motor shaft, and can be meshed with second gear, so as to drive second gear to move, realizes fluid pump 1 Intake from water inlet 113, the water of high pressure is discharged from delivery port 114.As shown in Fig. 8 to Figure 10, upper lid 13 is upper including being connected Lid body 131 and switch 132, upper lid body 131 cover the openend for being located at cavity 111, and switch 132 is connected with motor 12, uses In the power on/off of controlled motor 12;Elastic component 14 includes the elastic component body 141 being connected and auxiliary section 142, elastic component 14 are set In cavity 111, and auxiliary section 142 is set to inductive switch 132, when the pressure of fluid exceedes preset pressure in cavity 111, fluid Auxiliary section 142 is acted on, auxiliary section 142 is driven the action of switch 132, powered off with controlled motor 12.
The fluid pump 1 that the above embodiment of the present invention provides, motor shaft is connected with first gear, for driving first gear Rotate, by the engagement of first gear and second gear, discharge the fluid (such as water) of high pressure, realize the effect of supercharging, it is elastic The sealing that part 14 is used between the cavity 111 on upper lid 13 and the pump housing 11.Fluid is plugged at delivery port 114 situations such as Under, when causing the pressure of the fluid in cavity 111 to exceed preset pressure, on fluid matasomatism in cavity 111 to elastic component 14, give Elastic component 14 provides the pressure towards upper lid 13 (towards switch) direction, causes elastic component 14 to be transported to close to the direction of upper lid 13 It is dynamic so that auxiliary section 142 is moved to close to the direction of switch 132, the pushing tow of auxiliary section 142 switch 132, drives the action of switch 132, So that motor 12 powers off, the overvoltage protection to motor 12 is realized, avoids the temperature of motor 12 too high, fluid pump 1 is improved and uses Security.
Preferably, the terminal of motor 12 132 is in series with switch, as shown in figure 9, switch includes the first terminal 1321 and the Two-terminal 1322, the first terminal are connected with any terminal of motor, and Second terminal is connected with external power source.
Preferably, upper lid body 131 and switch 132 are integral type structure, and certainly, upper lid body 131 and switch 132 also may be used To be split-type structural, i.e., after both are molded respectively, then assembled.
Preferably, the surface on elastic component body 141 close to upper lid 13 protrudes to form auxiliary section 142.
Protrude to form auxiliary section 142 to close to the direction of switch 132 close to the surface of upper lid 13 on elastic component body.Such as figure Shown in 12, the upper surface formation auxiliary section protruding upward of elastic component body, auxiliary section is in boss-shaped.
Preferably, elastic component 14 is rubber or the elastic component 14 of silica gel material so that elastic component 14 has good elasticity, Elastic component 14 needs appropriate hardness simultaneously, and the needs such as the size of auxiliary section 142, thickness are corresponding with preset pressure.
Preferably, fluid pump 1 also includes:Cover plate 15, between cavity 111 and elastic component 14, and cover and be located on gear, Cover plate 15 is provided with the through hole 151 being connected with cavity 111, and the corresponding matching portion 142 of through hole 151 is set.
Cover plate 15 is located in cavity 111, and covers and be located on gear, and for closed cavity 111, elastic component 14 is arranged on cover plate Between 15 and upper lid 13, for the sealing between cover plate 15 and upper lid 13, so as to realize the sealing to the openend of cavity 111.Chamber Fluid in body 111 acts on auxiliary section 142 by through hole 151, and acts on switch 132 by auxiliary section 142, realizes to electricity The power on/off of machine 12.
Preferably, cover plate 15 is metallic plate, such as stainless steel plate, and certainly, cover plate 15 can also be the plate of other materials.
In first specific embodiment, as shown in figure 12, the border of through hole 151 is provided with raised sealed muscle 152, bullet Property part body be provided with the seal groove 144 corresponding with sealed muscle 152, seal groove 144 in a ring, the insertion sealing of sealed muscle 152 In groove 144, the sealing between elastic component 14 and cover plate 15 is realized.
In second specific embodiment, the border of through hole 151 is provided with seal groove, and elastic component body is provided with and sealing The corresponding sealed muscle of groove, sealed muscle in a ring, in sealed muscle insertion seal groove, are realized close between elastic component 14 and cover plate 15 Envelope.
Preferably, elastic component 14 is provided with the first location division 143, and upper lid 13 is provided with and is engaged with the first location division 143 The second location division, the first location division 143 and the second location division are used for the positioning of elastic component 14 and upper lid 13, so that auxiliary section 142 is corresponding with switch 132.
When upper lid 13 and elastic component 14 assemble, in order that must switch it is 132 corresponding with auxiliary section 142, in elastic component 14 The first location division 143 is provided with, upper lid 13 is provided with the second location division, when the first location division 143 is engaged with the second location division, The positioning between elastic component 14 and upper lid 13 is realized, and then realizes auxiliary section 142 with switching the corresponding of 132 positions.
Preferably, the first location division 143 is the projection set on elastic component body, and upper lid body 131 is provided with mounting groove 133, for switch 132 in mounting groove 133, the second location division is the cell wall of mounting groove 133, and the cell wall of mounting groove 133 is connected to In projection.
First location division 143 is to close on elastic component body close to the surface (upper surface of elastic component body) of upper lid 13 The projection that (upward) protrusion in direction of upper lid 13 is formed, upper lid body 131 are provided with opening towards the mounting groove of raised (down) 133, the cell wall of the openend of mounting groove 133 is connected to the outside or inner side of projection, realizes and determines between elastic component 14 and upper lid 13 Position, auxiliary section 142 are located in the region of the restriction of mounting groove 133.
Certainly, the first location division 143 and the second location division can be other forms, such as the first location division 143 is elasticity The groove position set on part body, the second location division is the muscle position being engaged with the groove position, when the muscle position is engaged with the groove position, Switch 132 is corresponding with auxiliary section 142.
Preferably, as shown in Figures 1 to 7, the pump housing 11 is provided with the water inlet 113 and delivery port being connected with cavity 111 114, the high-pressure area setting of switch 132 and the respective chamber 111 of auxiliary section 142.In Figure 10, region shown in B is higher-pressure region Domain, high-pressure area are correspondingly arranged with the through hole on cover plate.
The high-pressure area of switch 132 and the respective chamber 111 of auxiliary section 142 is set, it is preferable that switch 132 and auxiliary section 142 Set or be arranged at delivery port 114 close to delivery port 114.Certainly, switch 132 and auxiliary section 142 can also be arranged on the pump housing Other positions.
In one specifically embodiment, when the pressure of delivery port 114 reaches more than 10Bar, auxiliary section 142 is heaved touching and opened 132 are closed, cuts off the power line of motor 12.
Preferably, filtration members 115 are provided with water inlet 113.Water inlet 113 is set close to motor 12, and delivery port 114 is close Upper lid 13 is set.
The sealing ring 16 for being used for sealed electric-motor 12 and the pump housing 11 is provided between motor 12 and the pump housing 11, it is preferable that the pump housing 11 be two layers or more Rotating fields, is intake from lower floor's cavity 111 (part on cavity 111 on the lower), (cavity of upper strata cavity 111 Top part on 111) water outlet, effect of the hydraulic pressure to sealing ring 16 can be reduced, increases the life-span of sealing ring 16.Water inlet 113 increase filtration members 115, for example, water inlet 113 is embedded in screen pack, prevent impurity from entering cavity 111, stuck gear operation.Cross Filter part 115 can be but be not limited to screen pack (such as metal filter screen or plastic filtering net), PP cotton filter cores or active carbon filter core Deng.
The embodiment of second aspect of the present invention provides a kind of household electrical appliance, includes the fluid pump 1 of any of the above-described embodiment, The thus beneficial effect of the fluid pump 1 with any of the above-described embodiment, will not be repeated here.
Preferably, household electrical appliance also include:Warning device and controller, warning device and controller are arranged on household electrical appliance On body, and controller is connected with warning device, and the pressure for the fluid in the cavity 111 of fluid pump 1 exceedes default pressure During power, control warning device sends alarm signal.
Warning device can be alarm lamp or buzzer etc..When pressure in cavity 111 exceedes preset pressure, switch The power line of 132 cut-out motors 12, controller control warning device send alarm sound, prejudge the generation of accident in advance.
Household electrical appliance are water dispenser, beverage machine, water purifier, coffee machine or water heater.
In summary, fluid pump 1 provided in an embodiment of the present invention, upper lid body 131 and switch 132 are integrated into a part On, when the outlet pressure of fluid pump 1 is too high or after stall, the current of high pressure can give 14 1 pressure of elastic component, and this pressure can make Lid 13 on the pushing tow of elastic component 14 so that the power line of the cut-out motor 12 of switch 132, avoid motor 12 and burn out, protect the pump housing 11 Interior gear exempts to be worn.
In the description of the invention, unless otherwise clearly defined and limited, term " multiple " refer to two or two with On;Unless otherwise prescribed or illustrate, term " connection ", " fixation " etc. all should be interpreted broadly, for example, " connection " can be fixed Connect or be detachably connected, or be integrally connected, or electrical connection;Can be joined directly together, middle matchmaker can also be passed through Jie is indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood in the present invention as the case may be In concrete meaning.
In the description of this specification, it is to be understood that the instruction such as term " on ", " under ", "front", "rear", "left", "right" Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of the description present invention and simplification retouched State, rather than instruction or imply signified device or unit there must be specific direction, with specific azimuth configuration and operation, It is thus impossible to it is interpreted as limitation of the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean to combine at least one reality that specific features, structure, material or the feature that the embodiment or example describe are contained in the present invention Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term Example.Moreover, description specific features, structure, material or feature can in any one or more embodiments or example with Suitable mode combines.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (11)

  1. A kind of 1. fluid pump, it is characterised in that including:
    The pump housing, limit the cavity of one end open;
    Motor, it is connected with the pump housing;
    Upper lid, including upper the lid body and switch being connected, the upper lid body cap is located at the openend of the cavity, described to open Pass is connected with the motor, for controlling the power on/off of the motor;With
    Elastic component, including the elastic component body being connected and auxiliary section, the elastic component are arranged in the cavity, and described are matched somebody with somebody Conjunction portion is correspondingly arranged with the switch, and when the pressure of fluid exceedes preset pressure in the cavity, the fluid matasomatism is in described Auxiliary section, the auxiliary section drive the switch motion, to control the motor to power off.
  2. 2. fluid pump according to claim 1, it is characterised in that
    Protrude to form the auxiliary section in surface on the elastic component body close to the upper lid.
  3. 3. fluid pump according to claim 1, it is characterised in that also include:
    Cover plate, in the cavity, and be arranged on side of the elastic component away from the upper lid, the cover plate be provided with The through hole that the cavity is connected, the through hole are correspondingly arranged with the auxiliary section.
  4. 4. fluid pump according to claim 3, it is characterised in that
    The first gear and second gear that can be meshed are provided with the cavity, wherein, the cover plate lid is located at described first On gear and the second gear, the motor shaft of the motor is connected with the first gear;And/or
    The sealing that the elastic component is used between the cover plate and the upper lid.
  5. 5. fluid pump according to claim 3, it is characterised in that
    The border of the through hole is provided with raised sealed muscle, and the elastic component body is provided with corresponding with the sealed muscle close Sealing groove;Or the border of the through hole is provided with seal groove, the elastic component body is provided with corresponding with the seal groove close Seal muscle.
  6. 6. fluid pump according to any one of claim 1 to 5, it is characterised in that
    The elastic component is provided with the first location division, and the upper lid is provided with the second positioning being engaged with first location division Portion, first location division and second location division are used for the positioning of the elastic component and the upper lid, so that the cooperation Portion is corresponding with the switch.
  7. 7. fluid pump according to claim 6, it is characterised in that
    First location division is the projection set on the elastic component body, and the upper lid body is provided with mounting groove, described For switch in the mounting groove, second location division is the cell wall of the mounting groove, and the cell wall of the mounting groove is connected to In the projection.
  8. 8. fluid pump according to any one of claim 1 to 5, it is characterised in that
    It is described to switch the high-pressure area setting that the cavity is corresponded to the auxiliary section;And/or
    The switch is in series with the motor.
  9. 9. fluid pump according to any one of claim 1 to 5, it is characterised in that
    The pump housing is provided with the water inlet and delivery port being connected with the cavity, and the water inlet is provided with filtration members;With/ Or,
    The pump housing is provided with the water inlet and delivery port being connected with the cavity, and the water inlet is set close to the motor Put, the delivery port is set close to the upper lid.
  10. 10. a kind of household electrical appliance, it is characterised in that including fluid pump as claimed in any one of claims 1-9 wherein.
  11. 11. household electrical appliance according to claim 10, it is characterised in that
    The household electrical appliance are water dispenser, beverage machine, water purifier, coffee machine or water heater.
CN201711100378.9A 2017-11-09 2017-11-09 Fluid pump and household appliance Active CN107701429B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711100378.9A CN107701429B (en) 2017-11-09 2017-11-09 Fluid pump and household appliance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711100378.9A CN107701429B (en) 2017-11-09 2017-11-09 Fluid pump and household appliance

Publications (2)

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CN107701429A true CN107701429A (en) 2018-02-16
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB671460A (en) * 1947-07-26 1952-05-07 Trico Products Corp Improvements in or relating to operating systems for motor vehicle accessories
JP2005294003A (en) * 2004-03-31 2005-10-20 Yuasa Corp Sealed storage battery
CN2883721Y (en) * 2005-10-28 2007-03-28 华泽遂 Electric diaphram pump
CN201771757U (en) * 2010-07-12 2011-03-23 九江恒通自动控制器有限公司 Closed type direct current gear pump
CN206197742U (en) * 2016-07-26 2017-05-31 佛山市顺德区美的电热电器制造有限公司 Overvoltage protection switch and the pressure means with it
CN207420854U (en) * 2017-11-09 2018-05-29 佛山市顺德区美的饮水机制造有限公司 Fluid pump and household electrical appliance

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB671460A (en) * 1947-07-26 1952-05-07 Trico Products Corp Improvements in or relating to operating systems for motor vehicle accessories
JP2005294003A (en) * 2004-03-31 2005-10-20 Yuasa Corp Sealed storage battery
CN2883721Y (en) * 2005-10-28 2007-03-28 华泽遂 Electric diaphram pump
CN201771757U (en) * 2010-07-12 2011-03-23 九江恒通自动控制器有限公司 Closed type direct current gear pump
CN206197742U (en) * 2016-07-26 2017-05-31 佛山市顺德区美的电热电器制造有限公司 Overvoltage protection switch and the pressure means with it
CN207420854U (en) * 2017-11-09 2018-05-29 佛山市顺德区美的饮水机制造有限公司 Fluid pump and household electrical appliance

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