CN109645926A - Pump - Google Patents

Abstract

A kind of pump, including driving device, the washing section for being mounted on the driving device both ends, Drainage Division and between the washing section and the Drainage Division and up and down by the washing section and the water discharging part every water diversion disk.The driving device is equipped with drive shaft, and the washing section and the Drainage Division are located at the upper and lower ends of the drive shaft.The washing section is equipped with washing chamber, and the pump, which is additionally provided with, is fixed on the water diversion disk and protrudes into the indoor heater of the washing cavities.So set, the space in pump described in reasonable distribution, compactedness are strong.

Description

Pump

Technical field

The present invention relates to household appliance technical field more particularly to a kind of pumps.

Background technique

Demand of the existing market to small size, powerful dish-washing machine increases.In dish-washing machine field, heating should be used System uses washing pump and sump pump system again.This three sets of systems require certain space and assembly method to coordinate work Make.Therefore, the equipment such as dish-washing machine, washing machine need reserved very large space to be used to place washing pump, draining pump and heater three Set system, and need to consume more water and the energy.Therefore, there is an urgent need to design the improved pump of one kind to solve above-mentioned ask Topic.

Summary of the invention

The purpose of the present invention is to provide a kind of pumps that structure is simple and compact.

To achieve the above object, the present invention adopts the following technical scheme: a kind of pump, including driving device, be mounted on it is described The washing section at driving device both ends, Drainage Division and between the washing section and the Drainage Division and up and down by the washing Portion and the water discharging part every water diversion disk, the driving device is equipped with drive shaft, and the washing section is located at the Drainage Division The upper and lower ends of the drive shaft, the washing section be equipped with washing chamber, it is described pump be additionally provided be fixed on the water diversion disk and It is housed in the indoor heater of the washing cavities.

Technical solution as a further improvement of that present invention, the water diversion disk, which is equipped with, fills the washing section and the driving Set the roof separated up and down, be recessed is arranged in the container on the roof and the chamber below the roof from bottom to top Room, the container are equipped with inner cavity, are located at the inner cavity two sides and towards in indoor two groove sidewalls of the washing cavities and company The groove bottom wall of two groove sidewalls is connect, the heater is close to the groove bottom wall and is housed in the container.

Technical solution as a further improvement of that present invention, the heater setting annular in shape are equipped with and are close to the slot The front of bottom wall and the back side opposite with the front, the back side are exposed to downwards in the chamber.

Technical solution as a further improvement of that present invention, the pump are additionally provided with the heating electricity being electrically connected with the back side Road, the heater circuit is housed in the chamber to be separated with the washing chamber by the roof up and down.

Technical solution as a further improvement of that present invention, the water diversion disk are equipped with and extend downwardly from the roof outer rim The first wall body, positioned at the intracorporal chamber of first wall, up and down through the roof resigning chamber and allowed along described The second wall body that position cavity edge is downwardly extending from the roof, the heater circuit are circumferentially positioned at second wall body Around.

Technical solution as a further improvement of that present invention, the heater circuit include for detecting the medium temperature Temperature controller and the device for fusing being electrically connected by an electric bridge and the temperature controller, the temperature controller and heater electricity Property connection.

Technical solution as a further improvement of that present invention, the electric bridge are conducting bridge made of hard material, the electricity Bridge is equipped with the main part at the both ends connecting with the heater and the linking both ends, the main part and the heater circuit And heater does not contact.

Technical solution as a further improvement of that present invention, the heater circuit, which is additionally provided with, is electrically connected the device for fusing Power supply inserted sheet and the inserted sheet shell that separates the power supply inserted sheet and the heater insulation, the inserted sheet shell, which is equipped with, to be used To accommodate the accommodating cavity of the power supply inserted sheet.

Technical solution as a further improvement of that present invention, the temperature controller are equipped with scheduled operating temperature, work as washing cavities When indoor medium temperature reaches scheduled operating temperature, the temperature controller disconnects the heater circuit.

Technical solution as a further improvement of that present invention, the driving device include being housed in intracavitary turn of stepping down It sub- assembly and is housed in the chamber and around the home in the field frame assembly of the rotor assembly periphery.

From the above technical scheme, present invention pump is by the way that heater to be integrated on water diversion disk, thus reasonably by institute The internal structure for stating pump is allocated, and in axial integrated heating component, reduces the volume of the pump, to considerably reduce The space hold that the present invention pumps.

Detailed description of the invention

Fig. 1 is that present invention pump removes the stereoscopic schematic diagram after washing section shell.

Fig. 2 is the stereoscopic schematic diagram that present invention pump removes another angle after washing section shell.

Fig. 3 is the diagrammatic cross-section of present invention pump shown in FIG. 1.

Fig. 4 is the perspective exploded view that the present invention pumps.

Fig. 5 is the stereoscopic schematic diagram for the Drainage Division shell that the present invention pumps.

Fig. 6 is the stereoscopic schematic diagram for another angle of Drainage Division shell that the present invention pumps.

Fig. 7 is that present invention pump removes the stereoscopic schematic diagram after washing section shell and field frame assembly.

Fig. 8 is the stereoscopic schematic diagram that present invention pump removes another angle after washing section shell and field frame assembly.

Appended drawing reference: 100- pump；1- washing section；10- washing chamber；12- washs impeller；13- intake chamber；2- driving dress It sets；21- drive shaft；22- rotor assembly；23- field frame assembly；24- bearing；25- lower bracket；250- axocoel；251- side wall； 252- bottom wall；2511- water inlet；2521- intercommunicating pore；26- sealing ring；27- upper bearing (metal) bracket；The Drainage Division 3-；30- drip chamber； The Drainage Division 31- shell；311- inner wall；312- bottom wall；3112- diversion trench；3113- inlet；3115- exports end；32- drains leaf Wheel；33- intake line；34- discharge line；35- partition；351- fixing end；352- free terminal；4- water diversion disk；40- chamber； The first wall body of 41-；42- roof；420- resigning chamber；The second wall body of 421-；422- container；4221- groove sidewall；4222- slot bottom Wall；5- heater；The back side 51-；6- heater circuit；61- temperature controller；63- device for fusing；62- electric bridge；64- power supply inserted sheet；65- Inserted sheet shell；650- accommodating cavity.

Specific embodiment

To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments The present invention is described in detail.

It please join shown in Fig. 1 to Fig. 8, the present invention is a kind of pump 100, is applied in table dish-washer, water tank type dish-washing machine, drawer In the mini-dishwashers such as formula dish-washing machine.The pump 100 includes driving device 2, the washing section for being mounted on 2 both ends of driving device 1, Drainage Division 3, up and down by water diversion disk 4 that the washing section 1 and the Drainage Division 3 separate, be mounted on the water diversion disk 4 plus Hot device 5 and the heater circuit 6 powered for the heater 5.

The driving device 2 is can be with the DC brushless motor of positive and negative rotation.The DC brushless motor 2 includes described in control The drive shaft 21 and the drive shaft that the control circuit (not shown) and the control circuit that driving device 2 is run are electrically connected 21 be electrically connected rotor assembly 22, positioned at 22 periphery of rotor assembly field frame assembly 23 and be set in the drive shaft Two bearings 24 of 21 upper and lower ends.

The water diversion disk 4 is equipped with the first wall body 41, the chamber 40 in first wall body 41, is located at the chamber 40 Top by the closed roof 42 of the chamber 40, be located at 42 center of roof and up and down perforative resigning chamber 420, along institute State 420 edge of resigning chamber from the second wall body 421 that the roof 42 is downwardly extending and from 42 bottom surface of roof under And the container 422 that upper recess is formed.First wall body 41 is annular in shape to be looped around 40 periphery of chamber.Second wall Body 421 is annular in shape to be looped around 420 periphery of resigning chamber.The field frame assembly 23 is housed in the chamber 40.The rotor Assembly 22 is housed in the resigning chamber 420.The container 422 is equipped with inner cavity (not labeled), is located at the inner cavity two sides Two groove sidewalls 4221 and connect the groove bottom walls 4222 of two groove sidewalls 4221, the heater 5 is close to the slot It bottom wall 4222 and is housed in the container 422.Aforementioned abutting can recline for gapless, or interval it is a bit of away from From close.

The pump 100, which is additionally provided with, is set in bearing 24 of 21 lower end of drive shaft to support and fix Lower bracket 25.The lower bracket 25, which is housed in reach in the resigning chamber 420 with 421 excessive interference of cavity wall, to be determined Position.25 bottom of lower bracket connects cooperation with the Drainage Division 3, and a sealing ring 26 is additionally provided at the cooperation and is used To reach the sealing to the lower bracket 25.The bearing is accommodated incorporated by reference to shown in Fig. 4, the lower bracket 25 is equipped with 24 and drive shaft 21 axocoel 250, connect positioned at the side wall 251 of 250 periphery of axocoel, with the side wall 251 and to be located at bottom Bottom wall 252, inside and outside water inlet 2511 through the side wall 251 and the intercommunicating pore 2521 for running through bottom wall 252 up and down.

The washing section 1 includes washing section shell (not shown), is located at the intracorporal washing chamber 10 of the washing section shell, receives Hold in the washing chamber 10 washing impeller 12, below the washing impeller 12 for conveying into washing chamber 10 The intake chamber 13 of clear water and the upper bearing (metal) bracket 27 for being mounted on the 13 bottom middle of intake chamber.13 bottom of intake chamber Middle position is equipped with up and down through to accommodate the resigning chamber of the upper bearing (metal) bracket 27 and another bearing 24 (not Label).The rotor assembly 22 is then located at the underface of the upper bearing (metal) bracket 27, in the 27 bottom wall body of upper bearing (metal) bracket On be additionally provided with up and down perforative several filter mesh (not labeled) so that the part water in the washing chamber 10 can lead to It crosses the filter mesh and enters in the resigning chamber 420 and cooled down with the rotor to the rotor assembly 22.

The Drainage Division 3 includes Drainage Division shell 31 and the water impeller 32 being mounted in the Drainage Division shell 31. The Drainage Division shell 31 be equipped with intake line 33, the drip chamber 30 that is connected to the intake line 33 and with the drip chamber The discharge line 34 of 30 connections.The water impeller 32 is housed in the drip chamber 30.The bottom end of the drive shaft 21 first covers If after a bearing 24, passing through the resigning chamber of the lower bracket 25 still further below, and extend into the drip chamber 30 The water impeller 32 is fixed on to the bottom end of the drive shaft 21.In the present invention, the pump 100 is vertical pump.The rotor Assembly 22 and the field frame assembly 23 are cleverly arranged between washing section 1 and Drainage Division 3 by the drive shaft 21, so Setting, the space between the washing section 1 and Drainage Division 3 of reasonable utilization reduce the height and diameter of the pump 100 in the axial direction Upward width more adapts to the application in the dish-washing machine of small size to reduce the volume of the pump 100.This embodiment party In formula, the thickness of the field frame assembly 23 is not higher than 30mm, preferably 10-20mm, to further ensure the pump 100 along axis To the height in direction.

Extend up and down incorporated by reference to shown in Fig. 3, Fig. 5 and Fig. 6, the Drainage Division shell 31 is additionally provided with and be looped around the draining The inner wall 311 of 32 surrounding of impeller and bottom wall 312 positioned at 30 bottom of drip chamber.Recess is equipped with and leads on the inner wall 311 Chute 3112, helically formula surround on the inner wall 311 and extends to form up and down the diversion trench 3112.The diversion trench 3112 are equipped with the inlet 3113 being connected to the intake line 33 and the export end 3115 being connected to the discharge line 34. Along the short transverse of the pump 100, the inlet 3113 is elevated at the export end 3115, and about 3112 diversion trench The width of extension becomes larger from the inlet 3113 to the direction that the export end 3115 extends, i.e., the described inlet 3113 The width extended up and down is less than the width that about 3115 end of export extends.So set, to enter Drainage Division shell 31 Medium by the refluence effect of screw type diversion trench 3112 and the effect of gravity, the Drainage Division shell is discharged as early as possible 31。

The lower half portion of the lower bracket 25 is housed in the drip chamber 30 and is located at the water impeller 32 Top, the water inlet 2511 and the intake line 33 are in the corresponding connection of radial direction, the intercommunicating pore 2521 and the row About 30 water chamber is connected to, so set, after making water flow pass through lower bracket 25 described in 33 radial inflow of intake line, then lead to Axial coconnected intercommunicating pore 2521 is crossed to enter in the drip chamber 30.

It please join shown in Fig. 5 and Fig. 6, the Drainage Division shell 31 is gone back between the drip chamber 30 and the discharge line 34 Equipped with a partition 35, the partition 35 is extended to form from 31 inner wall of Drainage Division shell, is equipped with fixing end 351 and described in Fixing end 351 continues the free terminal 352 extended to form.Draining of the free terminal 352 gently towards the Drainage Division shell Extend in room 30, the edge of the free terminal 352 and circumference where the outer diameter of the water impeller 32 are tangent.The partition 35 End 3115 is exported described in radial direction partial occlusion along the water impeller 32, that is, forms a dislocation.So set, making The partition 35 stops water flow when can cooperate the rotation counterclockwise of the water impeller 32, so that the row Pressure energy effect cannot be generated in water chamber 30, and then can not be drained.

In the present embodiment, shape a in an angle, the folder between the intake line 33 and the discharge line 34 The angular range of angle a is between 45 degree to 90 degree, and preferably 60 degree are best angle, when Drainage Division shell 31 so being facilitated to make Processing technology.

It please join shown in Fig. 7 to Fig. 8, the heater 5 is a circular heating dish, has and sticks on the container The slot is close in front and the back side 51 opposite with the positive (not labeled), the front in 422 groove bottom wall 4222 Bottom wall 4222, the back side 51 are mounted on the back side 51 and are housed in towards the chamber 40, the entire heater circuit 6 In the chamber 40.

The heater circuit 6 includes one and passes through the temperature controller 61 of circuit connection with the heater 5, prevents heater circuit The electric bridge of 6 electric currents are excessive or temperature is excessively high device for fusing 63, the electric connection temperature controller 61 and the device for fusing 63 62, the power supply inserted sheet 64 of the device for fusing 63 with extraneous power supply, and the inserted sheet shell of the receiving power supply inserted sheet 64 are connected 65.Radial arrangement of the temperature controller 61 with the device for fusing 63 along the heater 21 is arranged.The electric bridge 62 is circular 23 surrounding of field frame assembly and with certain degree of hardness conductive material made of conducting bridge, the electric bridge 62 be equipped with it is described The main part (not labeled) at both ends and connection both ends that heater 5 is electrically connected, but, the main part of the electric bridge 62 is outstanding In the lower section of the heater 5, keep not overlapping with the other component of the heater 5 and heater circuit 6.By the electric bridge It is made of the material with hardness, so that electric bridge 62 will not enough be deformed because of hardness, is taken so as to cause with the heater 5 It connects, avoids the situation of short circuit.

The temperature controller 61 is used to detect medium temperature in the washing chamber 10, when the medium temperature reaches predetermined work When making temperature, the temperature controller 61, which controls the heater circuit 6, to be stopped powering to the heater 5, and the heater 5 then stops The medium is heated.When temperature controller 61 detects the medium temperature in the washing chamber 10 lower than the predetermined work temperature When, the temperature controller 61 controls the closure of heater circuit 6 to power to the heater 5, and the heater 5 is to the washing Medium heating in chamber 10 is until the medium reaches predetermined work temperature.In this way, temperature controller is arranged in present invention pump 100 61, enable 6 flexibly adjustment of heater circuit, to flexibly be heated to the medium in the washing chamber 10, and then makes The medium in washing chamber 10 maintains work under scheduled operating temperature for a long time.The device for fusing 63 is molten Disconnected device, i.e. fuse.When the electric current of heater circuit 6 is excessive or the medium temperature is excessively high, the fuse 63 voluntarily breaks It opens, so that the heater circuit 6 disconnects power supply.

The power supply inserted sheet 64 is set to the lower section of roof 42, and the inserted sheet shell 65 is plastic part, has an accommodating cavity 650, the power supply inserted sheet 64 is exposed in the accommodating cavity 650 to be connected to extraneous power supply.

In the present invention, the pump 100 is by the fixed washing impeller 12 in 21 top of drive shaft, the fixed row in bottom end Water impeller 32 drives the washing impeller and the water impeller to work, to complete to wash and arrange by rotating drive shaft 21 Two kinds of functions of water.The Drainage Division 3 is opposite with the operative orientation of the washing section 1.When the drive shaft 21 drives the draining When the water impeller 32 in portion 3 rotates forward, the washing impeller 12 is rotated clockwise with the water impeller 2, and washing section 1 is being just at this time Washing work often is carried out, the water inlet that the water flow after washing passes through the intake line 33, the lower bracket 25 of the Drainage Division 3 After mouthfuls 2511 radially into the intercommunicating pore 2521, and axially into the drip chamber 30, because in the drip chamber 30 Diversion trench 3112 is helical design, and the diversion trench 3112 is along the export end 3115 to 3113 direction of rotation of inlet Width gradually becomes smaller, water flow rotate clockwise after gradually become smaller with 311 contact area of inner wall so that entire draining Pressure energy lowers in room 30, and because 351 edge of free terminal of the partition 35 is located at 32 institute of water impeller circumferentially, When the water flow that water impeller 32 drives first touches the free terminal 351 of partition 35, partition 35 can carry out a resistance to water flow The strength of gear, so that water flow cannot generate pressure energy, the outlet pressure at the export end 3115 is very low, and the water impeller 2 is sky Turn, so that drainage works can not be carried out.

On the contrary, incorporated by reference in Fig. 5 shown in water flow schematic lines, when the drive shaft 21 drives the draining leaf of the Drainage Division 3 When 32 reversion of wheel is drained, the washing impeller 12 and the water impeller 2 rotation counterclockwise, washing section 1 can not at this time Water is sucked into washing chamber 10, so that washing work can not be carried out, and 32 inverse time of water impeller in the drip chamber 30 Needle rotation drive water flow, water flow along the inlet 3113 to 3115 screw type rotary of export end, the water rotated counterclockwise The contact area of stream and 30 inner wall 311 of drip chamber becomes larger so that pressure energy improves in drip chamber 30, and drains leaf 32 drive water flow of wheel first contacts the export end 3115, and the partition 35 cannot provide the strength of blocking, the drainage pipeline 34 It is drained.The device for fusing 63 of heater circuit 6 disconnects at this time, so that the heater circuit 6 stops power supply, the heating Device 5 no longer heats medium in washing cavities chamber 10.

In conclusion present invention pump 100 is by being cleverly integrated in the water diversion disk 4 for heater 5 and heater circuit 6 On roof 42, and each component of heater circuit 6 is rationally integrated in the field frame assembly using the chamber 40 of 4 lower section of water diversion disk 23 surrounding, thus the inner space of the reasonable utilization pump 100, and then it is reduced the volume of the entire pump 100, Space hold is greatly lowered.

It is used herein such as "upper", "lower", "left", "right", "front", "rear", representation space relative position term It is to describe relationship of the feature relative to another feature as shown in the drawings for the purpose convenient for explanation.It can manage Solution, according to the difference of product placement position, the term of relative space position can be intended to include other than orientation as shown in the figure Different direction, should not be interpreted as limitations on claims.In addition, descriptor "horizontal" used herein and non-fully It is equal to along the inclination for perpendicular to gravity direction, allowing to have certain angle.

In addition, above embodiments are merely to illustrate the present invention and not limit the technical scheme described by the invention, to this The understanding of specification should be based on person of ordinary skill in the field, although this specification is referring to the above embodiments pair Present invention has been detailed description, still, those skilled in the art should understand that, the technology of technical field Personnel still can modify or equivalently replace the present invention, and all do not depart from the technology of the spirit and scope of the present invention Scheme and its improvement should all be covered in scope of the presently claimed invention.

Claims (10)

1. a kind of pump, wash including driving device, the washing section for being mounted on the driving device both ends, Drainage Division and positioned at described Wash between portion and the Drainage Division and up and down by the washing section and the water discharging part every water diversion disk, the driving device sets There is drive shaft, the washing section and the Drainage Division are located at the upper and lower ends of the drive shaft, and the washing section is equipped with washing cavities Room, it is characterised in that: the pump, which is additionally provided with, is fixed on the water diversion disk and is housed in the indoor heater of the washing cavities.

2. pump as described in claim 1, it is characterised in that: the water diversion disk is equipped with the washing section and the driving device The container on the roof and the chamber below the roof, the receipts are arranged in the roof that separates up and down, recess Tank be equipped with inner cavity, be located at the inner cavity two sides and towards indoor two groove sidewalls of the washing cavities and connection two slots The groove bottom wall of side wall, the heater are close to the groove bottom wall and are housed in the container.

3. pump as claimed in claim 2, it is characterised in that: the heater setting annular in shape is equipped with front and the back side, institute It states front and is close to the groove bottom wall, the back side is towards the chamber.

4. pump as claimed in claim 3, it is characterised in that: the pump is additionally provided with the heating electricity being electrically connected with the back side Road, the heater circuit is housed in the chamber to be separated with the washing chamber by the roof up and down.

5. pump as claimed in claim 4, it is characterised in that: the water diversion disk is equipped with to be extended downwardly from the roof outer rim First wall body, positioned at the intracorporal chamber of first wall, up and down through the roof resigning chamber and along the resigning The second wall body that cavity edge is downwardly extending from the roof, the heater circuit are circumferentially positioned at the week of second wall body It encloses.

6. pump as claimed in claim 4, it is characterised in that: the heater circuit includes indoor for detecting the washing cavities The temperature controller of medium temperature and the device for fusing being electrically connected by an electric bridge and the temperature controller, the temperature controller and institute State heater electric connection.

7. pump as claimed in claim 6, it is characterised in that: the electric bridge is conducting bridge made of hard material, the electric bridge Main part equipped with the both ends that are connect with the heater and the linking both ends, the main part and the heater circuit and Heater does not contact.

8. pump as claimed in claim 6, it is characterised in that: the heater circuit, which is additionally provided with, is electrically connected the device for fusing Power supply inserted sheet and the inserted sheet shell for separating the power supply inserted sheet and the heater insulation, the inserted sheet shell be equipped with to Accommodate the accommodating cavity of the power supply inserted sheet.

9. pump as claimed in claim 6, it is characterised in that: the temperature controller is equipped with scheduled operating temperature, works as washing chamber When interior medium temperature reaches scheduled operating temperature, the temperature controller disconnects the heater circuit.

10. pump as claimed in claim 5, it is characterised in that: the driving device includes being housed in intracavitary turn of stepping down It sub- assembly and is housed in the chamber and around the home in the field frame assembly of the rotor assembly periphery.