CN107701429A - Fluid pump and household electrical appliance - Google Patents
Fluid pump and household electrical appliance Download PDFInfo
- 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
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- 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
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 210000003205 muscle Anatomy 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 19
- 238000001914 filtration Methods 0.000 claims description 8
- 210000002421 cell wall Anatomy 0.000 claims description 7
- 235000013361 beverage Nutrition 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-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
- F04C2/14—Rotary-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
- F04C2/18—Rotary-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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0034—Sealing 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/06—Arrangements 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
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)
- 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;WithElastic 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. fluid pump according to claim 1, it is characterised in thatProtrude to form the auxiliary section in surface on the elastic component body close to the upper lid.
- 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. fluid pump according to claim 3, it is characterised in thatThe 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/orThe sealing that the elastic component is used between the cover plate and the upper lid.
- 5. fluid pump according to claim 3, it is characterised in thatThe 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. fluid pump according to any one of claim 1 to 5, it is characterised in thatThe 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. fluid pump according to claim 6, it is characterised in thatFirst 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. fluid pump according to any one of claim 1 to 5, it is characterised in thatIt is described to switch the high-pressure area setting that the cavity is corresponded to the auxiliary section;And/orThe switch is in series with the motor.
- 9. fluid pump according to any one of claim 1 to 5, it is characterised in thatThe 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. 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. household electrical appliance according to claim 10, it is characterised in thatThe household electrical appliance are water dispenser, beverage machine, water purifier, coffee machine or water heater.
Priority Applications (1)
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CN201711100378.9A CN107701429B (en) | 2017-11-09 | 2017-11-09 | Fluid pump and household appliance |
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CN201711100378.9A CN107701429B (en) | 2017-11-09 | 2017-11-09 | Fluid pump and household appliance |
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CN107701429A true CN107701429A (en) | 2018-02-16 |
CN107701429B CN107701429B (en) | 2024-03-08 |
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Citations (6)
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 |
-
2017
- 2017-11-09 CN CN201711100378.9A patent/CN107701429B/en active Active
Patent Citations (6)
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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CN107701429B (en) | 2024-03-08 |
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