CN110529433A - Pump - Google Patents

Abstract

A kind of pump including the housing with accommodating chamber and is installed on the driving device of described housing one end.The driving device is equipped with the drive shaft extended into the accommodating chamber.The pump further includes the impeller being installed in the accommodating chamber and extends into heating device in the accommodating chamber.The impeller is fixed on the drive shaft, and the housing is equipped with the axial direction along the drive shaft and is connected to the input duct of the accommodating chamber, the mounting portion of liquid outlet pipe and the fixation heating device that is connected to the accommodating chamber of radial direction along the drive shaft.The liquid outlet pipe is equipped with the outlet end for extending beyond the housing, and radial direction of the outlet end with the mounting portion along the drive shaft is arranged in a staggered manner.

Description

Pump

Technical field

The present invention relates to the technical field of pump more particularly to a kind of pumps.

Background technique

In general pump has the function of single washing or draining.But it pumps in the related technology also by original single Multiple functions are integrated into the same pump by function to multi-functional development.Since the structure of pump determines dish-washing machine space size Layout, therefore more stringent requirements are proposed for the internal structure design of pump.

Summary of the invention

The purpose of the present invention is to provide a kind of compact-sized pumps.

To achieve the above object, the present invention adopts the following technical scheme: a kind of pump, including housing and peace with accommodating chamber Driving device loaded on described housing one end, the driving device are equipped with the drive shaft extended into the accommodating chamber, the pump Further include the impeller being installed in the accommodating chamber and extend into heating device in the accommodating chamber, the impeller is fixed on The drive shaft, the housing are connected to the input duct of the accommodating chamber, along described equipped with the axial direction along the drive shaft The mounting portion of liquid outlet pipe that the radial direction of drive shaft is connected to the accommodating chamber and the fixed heating device, it is described go out Liquid pipe road is equipped with the outlet end for extending beyond the housing, and the outlet end and the mounting portion are along the radial direction side of the drive shaft To being arranged in a staggered manner.

The diameter of technical solution as a further improvement of that present invention, the outlet end and the mounting portion along the drive shaft It is oppositely arranged to direction.

There is the radial direction along the drive shaft to pass through for technical solution as a further improvement of that present invention, the mounting portion Lead to the opening of the housing and the installation cavity with the open communication, one end of the installation cavity and the accommodating chamber pass through institute Open communication is stated, the heating device is equipped with across the installation cavity and continues into the heating tube in the accommodating chamber.

Technical solution as a further improvement of that present invention, the housing are equipped with main part and are formed in the main part The accommodating chamber, it is described opening along the drive shaft radial direction run through the main part.

Technical solution as a further improvement of that present invention, the housing are additionally provided with the main body from the open edge Portion's additional wall and installation cavity being formed in the additional wall to made of extending far from the receiving cavity direction.

As the present invention also provides a kind of technical solution, the pump is equipped with the peace for sealing the other end of the installation cavity Shell is filled, the mounting shell is equipped with the body part for covering the installation cavity and the mounting hole through the body part, the heating dress The heating element for installing the mounting plate being fixed in the mounting hole and being perpendicularly fixed on the mounting plate.

Technical solution as a further improvement of that present invention, the impeller are equipped with the inlet far from the driving end, institute It states housing to be equipped with towards the inner wall of the accommodating chamber and from diversion trench made of inner wall recess, the diversion trench is in Spiral extension and it is surrounded on the inlet surrounding, the heating device is equipped with the heating tube of spiral extension, the heating Pipe is contained in the accommodating chamber, and the hand of spiral of the heating tube is roughly the same with the hand of spiral of the diversion trench.

Technical solution as a further improvement of that present invention, the diversion trench are equipped with the liquid for receiving the impeller output Inlet and the export end for exporting the liquid, the export end is connected to the liquid outlet pipe, along the axial direction of the drive shaft Direction, the width that the diversion trench extends become larger from the inlet to the direction that the export end extends.

Technical solution as a further improvement of that present invention, the export end is arranged close to the liquid outlet pipe, described to lead Enter to hold and be arranged close to the driving end.

Technical solution as a further improvement of that present invention, the tube wall of the input duct extend into the accommodating chamber, The impeller is additionally provided with from the inlet edge to the wall extension extended far from the driving extreme direction and is formed in extension Inner cavity in wall, the inner cavity is connected to the admission chamber to be formed with the accommodating chamber radial separations with the input duct, described to add Heat pipe is surrounded on the periphery setting of the wall extension.

Technical solution as a further improvement of that present invention, the heating tube include the annular pipe portion of at least one circumference.

Technical solution as a further improvement of that present invention, the pump are additionally provided with the pressure connecting with the heating device signal Power switch, the pressure switch is equipped with and extends into the monitoring side in the accommodating chamber, when the receiving cavity pressure reaches predetermined When pressure value, the pressure switch signal notifies the heating devices heat.

Technical solution as a further improvement of that present invention, the pump are equipped in the heating tube of the heating device Fuse, the fuse are equipped with limiting temperature, when in accommodating chamber fluid temperature (F.T.) reach capacity temperature when, the fuse disconnects The heater circuit of the heating device, so that the heater stop heats the fluid.

From the above technical scheme, the present invention passes through the liquid outlet pipe that will be pumped and heating device along the diameter of the drive shaft It is arranged in a staggered manner to direction, so that heating device is installed by the radial side of housing, so that the present invention pumped Housing size is minimized design, is greatly reduced the volume that the present invention pumps.

Detailed description of the invention

Fig. 1 is the stereoscopic schematic diagram that the present invention pumps.

Fig. 2 is the stereoscopic schematic diagram that the present invention pumps another angle.

Fig. 3 is the present invention pump diagrammatic cross-section that line A-A is splitted along Fig. 1.

Fig. 4 is that present invention pump removes the stereoscopic schematic diagram after driving end, liquid separation disk and mounting shell.

Fig. 5 is the stereoscopic schematic diagram for another angle that present invention pump is removed after driving end, liquid separation disk and mounting shell.

Fig. 6 is that pump further removes the stereoscopic schematic diagram after heating device in Fig. 5 of the present invention.

Fig. 7 is the perspective exploded view that the heating device that the present invention pumps is fixed on mounting shell.

Fig. 8 is the stereoscopic schematic diagram for the heating device that the present invention pumps.

Fig. 9 is the perspective exploded view for another angle that the heating device that the present invention pumps is fixed on mounting shell.

Appended drawing reference: 100- pump；1- housing；10- accommodating chamber；101- inner wall；102- outside wall surface；1010- diversion trench； 1011- exports end；11- main part；110- opening；111- sealing ring；12- additional wall；120- installation cavity；121- projection；122- Contacting wall；1221- bearing surface；13- input duct；14- liquid outlet pipe；The outlet end 141-；2- impeller；20- inlet；In 21- Axis；22- impeller blade；23- wall extension；The inner cavity 230-；3- heating device；31- mounting plate；32- heating element；321- heating Pipe；322- fixes pipe portion；323- riveted plating；324- sealing ring；325- locking nut；4- driving device；41- drive shaft；42- electricity Machine rotor；43- motor stator component；44- liquid separation disk；441- partition wall；442- bracket；45- bearing；5- mounting shell；50- accommodating Slot；51- body part；52- perimeter wall；520- through-hole；53- inner wall；The first connection wall of 54-；The second connection wall of 55-；56- positioning Chamber；540- lock chamber；541- fixed part；5410- fixation hole；6- pressure switch.

Specific embodiment

In order to keep the purpose of the present invention, technical solution and advantage clearer, with reference to the accompanying drawings and detailed description The present invention will be described in detail.

It please refers to shown in Fig. 1 to Fig. 7, present invention discloses a kind of pumps 100, including working end and adjacent with the working end The driving end of setting.The working end be equipped with housing 1 with accommodating chamber 10, the impeller 2 that is installed in the accommodating chamber 10 with And it extends into the accommodating chamber 10 with the heating device 3 to liquid heating in the accommodating chamber 10.

The driving end is the driving device 4 for driving impeller 2 to rotate.The driving device 4 is equipped with and extends into the receiving Drive shaft 41 in chamber 10, is looped around 42 periphery of rotor at the rotor 42 for being surrounded on 41 periphery of drive shaft Motor stator component 43, the liquid separation disk that separates the rotor 42, motor stator component 43 and the working end 44 and two bearings 45 being installed in the drive shaft 41.In the present embodiment, the rotor 42 and the drive 41 integrated injection molding of moving axis.The liquid separation disk 44 is equipped with the extending direction along the drive shaft and to far from the working end side The bracket 442 for partition wall 441 made of extension and respectively positioning described two bearings 45.The partition wall 441 is by institute State rotor 42 and the inside and outside separation of the motor stator component 43.The bracket 442 bearing 45 to be limited, thus Preferably assist the cooperation between the bearing 45 and the drive shaft 41.

The housing 1 includes the main part 11 for being in the form of a column setting, is formed in main part 11 to accommodate the impeller 2 The accommodating chamber 10, the opening 110 of the perforation main part 11, from the main part 11 at 110 edges of opening along far from the receiving The additional wall 12 of frame shape made of the direction of chamber 10 extends outwardly and the installation cavity 120 being formed in the additional wall 12.Institute It states installation cavity 120 and is connected to the accommodating chamber 10 by the opening 110, described 120 one end of installation cavity and the accommodating chamber 10 Connection, the other end of the installation cavity 120 open wide setting, the installation cavity 120, the opening 110 and 12 shape of the additional wall At the mounting portion to install the heating device 3, the mounting portion further includes from the additional wall 12 close to the opening 110 The annular contacting wall 122 and be located at the contacting wall 122 far from the accommodating chamber 10 that place extends into the installation cavity 120 The bearing surface 1221 of one end, along the axial direction of the installation cavity 120, the length that the additional wall 12 extends is far longer than described The length that contacting wall 122 extends.In the present embodiment, the whole axial direction along the drive shaft 41 of the accommodating chamber 10 prolongs It stretches, the housing 1 cooperates with the liquid separation disk 44 seals the accommodating chamber 10 close to the one end at the driving end, to be formed Electricity separation between the driving end and the working end.The pump 100 the liquid separation disk 44 with described in the housing 1 Sealing ring 111 is equipped between main part 11, the sealing ring 111 is held on the main body along the radial direction of the drive shaft 41 Between portion 11 and liquid separation disk 44, to improve the sealing effect between liquid separation disk 44 and the housing 1, the pump is strengthened 100 electricity separation effect.

The housing 1 is additionally provided with the input duct 13 of the axial direction extension along the drive shaft 41 and along drive shaft 41 The liquid outlet pipe 14 that radial direction extends, the tube wall of the input duct 13 is connect with the main part 11 and the input duct 13 one end extend into the accommodating chamber 10.The tube wall of the liquid outlet pipe 14 is around the connection main part 11.The feed liquor Pipeline 13 is connected to the accommodating chamber 10 with the liquid outlet pipe 14.In the present embodiment, the liquid outlet pipe 14 go out Mouth end 141 is oppositely arranged with the additional wall 12, that is, if the outlet end 141 is located at rear side or the upside of the housing 1, The then corresponding front side or downside for being located at the housing 1 of the additional wall 12.So set, setting the structure of the pump 100 It is more reasonable to count.The open one end periphery of the additional wall 12 is equipped with outwardly projecting several projections 121.

The housing 1 towards the inner wall 101 of the accommodating chamber 10, the outside wall surface 102 opposite with the inner wall 101 with And from the inner wall 101 recess made of diversion trench 1010.The diversion trench 1010 extends in the shape of a spiral, and matches cyclization The inlet 20 for being around in the impeller 2 (is detailed later) surrounding.In the present embodiment, the diversion trench 1010, which is equipped with, receives institute The export end 1011 stated the inlet (unmarked) of the liquid of the output of impeller 2 and export the liquid, the export end 1011 It is connected to the outlet end 141 of the liquid outlet pipe 14.The export end 1011 is arranged close to the liquid outlet pipe 14, the inlet It is arranged close to the driving end.Along the axial direction of the drive shaft 41, the width that the diversion trench 1010 extends is led described in Enter end to the direction that the export end 1011 extends to become larger.So set, when impeller 2 being made to drive liquid in rotation, rotation The contact area of the liquid stream and the inner wall 101 of the housing 1 that turn becomes larger, so that pressure energy improves in accommodating chamber 10, And then the housing 1 can be discharged in the liquid stream in the accommodating chamber 10 as early as possible.

The pump 100 is additionally provided with the pressure switch 6 connecting with 3 signal of heating device, and the pressure switch 6, which is equipped with, prolongs The monitoring side (not labeled) in the accommodating chamber 10 is protruded into, it is described when pressure reaches scheduled pressure value in the accommodating chamber 10 6 signal of pressure switch notifies the heating device 3 to heat.

If the impeller 2 is equipped with the axis 21 being fixed in the drive shaft 41, around the cured leaf of the axis 21 setting Impeller blade 22, positioned at described 21 one end of axis and the inlet 20 far from the driving end, from the edge ring of the inlet 20 Wall extension 23 around formation and the inner cavity 230 that is formed in the wall extension 23.The inner cavity 230 and the input duct 13 Connection forms the admission chamber to the inlet 20 conveying liquid, and the wall extension 23 and the input duct 13 extend into described Tube wall cooperation in accommodating chamber 10 separates the admission chamber and the accommodating chamber 10 along the radial direction of the drive shaft 41.Phase The liquid outlet (not labeled) that radial liquid out is formed between adjacent impeller blade 22, leads between the admission chamber and the accommodating chamber 10 Cross inlet 20 and the liquid outlet connection of the impeller.

The heating device 3 is equipped with mounting plate 31 and is fixed on the heating element 32 of the mounting plate 31.The heating Two fixations made of component 32 includes heating tube 321 made of spiral extension, extends in parallel from 321 both ends of heating tube Pipe portion 322 rivets fixed riveted plating 323 and circle set on 323 side of riveted plating with by described two fixed pipe portions 322 Sealing ring 324.It is relatively fixed by locking nut 325 between the riveted plating 323 and the mounting plate 31.The heating tube 321 extend into the accommodating chamber 10 and are surrounded in the shape of a spiral the periphery of the wall extension 23, the spiral of the heating tube 321 Direction is roughly the same with the hand of spiral of the diversion trench 1010.So set, spiral way can be made full use of, housing 1 is improved The utilization rate of internal accommodating chamber 10；The uniformity that heating tube 321 heats liquid in accommodating chamber 10 is improved simultaneously.In this implementation In mode, the heating tube 321 includes the annular pipe portion of at least one circumference, so set, biggish the heating can be improved The heating power of pipe 321.

The pump 100 is equipped with fuse (not shown) in the heating tube 321 of the heating device 3, the insurance Silk is equipped with scheduled limiting temperature, when in accommodating chamber 10 fluid temperature (F.T.) reach capacity temperature when, the fuse disconnect it is described plus The heater circuit (not shown) of thermal 3, so that the heating device 3 stops heating the fluid, protection pump 100 is because of overheat Generate safety accident.

The pump 100 is additionally provided with the mounting shell 5 for sealing the installation cavity 120.The mounting shell 5, which is equipped with, covers the peace Behave affectedly 120 body part 51, the perimeter wall 52 that circularizes from the 51 edge bending of body part and through the perimeter wall 52 several through-holes 520.The body part 51 includes the inner wall 53 of the annular being correspondingly arranged parallel with the outer wall edge 52, connects Connect the first connection wall 54 of the outer wall edge 52 and the inner frieze 53, be formed in the outer wall edge 52, inner frieze 53 with it is described Accommodation groove 50 between first connection wall 54 by the second connection wall 55 of the inner frieze 53 connection sealing and is formed in described Positioning chamber 56 between second connection wall 55 and the inner wall 53.First connection wall 54 and 55 phase of the second connection wall In parallel.Along the extending direction of the perimeter wall 52, the projection of first connection wall 54 is located at second connection wall 55 projection Periphery, the length that the inner wall 53 extends is less than the length of the perimeter wall 52, the accommodation groove 50 and the positioning chamber 56 are separated inside and outside inner wall 53 and are not connected to.The body part 51 is additionally provided with from the middle part of second connection wall 54 made of extension Fixed part 541, the lock chamber 540 being formed in the fixed part through the fixed part 541 and are connected to the lock chamber 540 Two fixation holes 5410.When the heating device 3 is fixed on the mounting shell 5, described two fixed pipe portions 322 are worn The free terminal for crossing described two fixation holes 5410 to described two fixed pipe portions 322 extends the positioning chamber of the mounting shell 5 In 56, the riveted plating 323 is embedded in the lock chamber 540, and the sealing ring 324 is sealed in the riveted plating 323 and institute It states and reaches sealing effect between fixed part 541.The mounting plate 31 is sheathed in described two fixed pipe portions 322 and is held in Described two fixation holes 5410 are sealed with reaching on the 541 of the fixed part, so that the mounting plate 31 cooperates the installation Shell 5 forms the closing to the installation cavity 120.Pass through 325 phase of locking nut between the mounting plate 31 and the riveted plating 323 To locking and fix.

When then by the installation of the mounting shell 5 to the open end of the installation cavity 120 for being fixed with the heating device 3, The additional wall 12 is contained in the accommodation groove 50, and the perimeter wall 52, which surrounds, is attached at 12 outside of additional wall, described Inner wall 53 is attached in 12 inside of the additional wall, be additionally provided in the additional wall 12 and the accommodation groove 50 gasket to Form the sealing between the mounting shell 5 and the additional wall 12.One end of the gasket abuts the bearing surface 1221, separately One end abuts first connection wall 54 towards the side of the accommodation groove 50.The projection 121 is held in the through-hole 520 It is interior, to mounting shell 5 is fixed in the additional wall 12, so set, making installation side between heating device 4 and housing 1 Just, it is easy to industrialization production.The edge of second connection wall 55 is connected to the abutting of the contacting wall 122 in the additional wall 12 On face 1221, second connection wall 55 cooperates the contacting wall 122 and first connection wall 54 by the installation at this time One end of chamber 120 seals.

In conclusion present invention pump 100 will be led by the way that the diversion trench 1010 being recessed from inner wall 101 is arranged on housing 1 Chute 1010 is surround in the shape of a spiral is set to 2 surrounding of impeller, and the hand of spiral that heating tube 321 is roughly the same with diversion trench 1010 It extends spirally, since the hand of spiral of the heating tube 321 is roughly the same with the hand of spiral of the diversion trench 1010, this Invention pump 100 can make full use of spiral way, improve the utilization rate of 1 inside accommodating chamber 10 of housing；In addition, by 321 spiral shell of heating tube It is rotating in the accommodating chamber 10 of housing 1, improve heating tube 321 in accommodating chamber 10 liquid heat uniformity.In addition will To install the mounting portion of the heating device 3, i.e. installation cavity 120, opening 110, additional wall 12 is radially set to housing 1 Side, while using detachable style install so that the heating device 3 of subsequent pump 100 is easy to maintenance.

It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the application A little information should not necessarily be limited by these terms.These terms are only used to for same type of information being distinguished from each other out.It is described herein It is multiple include two and more than two.In the application when two component connections, the inner cavity of two components is also interconnected.Example Such as, when being equipped with inner cavity to the heat transferring medium that circulates, header and heat exchanger tube interconnection in header and heat exchanger tube, header Inner cavity be connected to the inner cavity of heat exchanger tube.

In the absence of conflict, each embodiment in the application can complement one another.

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 the technical personnel in the technical field, such as " front and back is run through " refers to not installing it It is through before his part, still, those skilled in the art should understand that, the technical personnel in the technical field are still Can so modify or equivalently replace the present invention, and all do not depart from the spirit and scope of the present invention technical solution and It is improved, and should all be covered in scope of the presently claimed invention.

Claims (13)

1. a kind of pump, including the housing with accommodating chamber and it is installed on the driving device of described housing one end, the driving device Equipped with the drive shaft extended into the accommodating chamber, it is characterised in that: the pump further includes the leaf being installed in the accommodating chamber The heating device in the accommodating chamber is taken turns and extends into, the impeller is fixed on the drive shaft, and the housing is equipped with along institute The axial direction for stating drive shaft is connected to the input duct of the accommodating chamber, the radial direction along the drive shaft and the accommodating chamber The mounting portion of the liquid outlet pipe of connection and the fixed heating device, the liquid outlet pipe are equipped with and extend beyond the housing Outlet end, radial direction of the outlet end with the mounting portion along the drive shaft are arranged in a staggered manner.

2. pump as described in claim 1, it is characterised in that: the outlet end is with the mounting portion along the radial direction of the drive shaft Direction is oppositely arranged.

3. pump as described in claim 1, it is characterised in that: there is the mounting portion radial direction along the drive shaft to penetrate through The opening of the housing and installation cavity with the open communication, one end of the installation cavity and the accommodating chamber pass through described Open communication, the heating device are equipped with across the installation cavity and continue into the heating tube in the accommodating chamber.

4. pump as claimed in claim 3, it is characterised in that: the housing is equipped with main part and is formed in the main part The accommodating chamber, the opening run through the main part along the radial direction of the drive shaft.

5. pump as claimed in claim 4, it is characterised in that: the housing is additionally provided with the main part from the open edge Additional wall and the installation cavity being formed in the additional wall to made of extending far from the receiving cavity direction.

6. pump as claimed in claim 3, it is characterised in that: the pump is equipped with the installation for sealing the other end of the installation cavity Shell, the mounting shell are equipped with the body part for covering the installation cavity and the mounting hole through the body part, the heating device Equipped with the mounting plate being fixed in the mounting hole and the heating element being perpendicularly fixed on the mounting plate.

7. pump as described in claim 1, it is characterised in that: the impeller is equipped with the inlet far from the driving end, described Housing is equipped with towards the inner wall of the accommodating chamber and from diversion trench made of inner wall recess, and the diversion trench is in spiral shell Rotation shape extends and is surrounded on the inlet surrounding, and the heating device is equipped with the heating tube of spiral extension, the heating tube It is contained in the accommodating chamber, and the hand of spiral of the heating tube is roughly the same with the hand of spiral of the diversion trench.

8. pump as claimed in claim 7, it is characterised in that: the diversion trench is equipped with leading for the liquid for receiving the impeller output The export end for entering end and exporting the liquid, the export end is connected to the liquid outlet pipe, along the axial direction side of the drive shaft To the width that the diversion trench extends becomes larger from the inlet to the direction that the export end extends.

9. pump as claimed in claim 8, it is characterised in that: the export end is arranged close to the liquid outlet pipe, the importing It holds and is arranged close to the driving end.

10. pump as claimed in claim 7, it is characterised in that: the tube wall of the input duct extends into the accommodating chamber, institute Impeller is stated to be additionally provided with from the inlet edge to the wall extension extended far from the driving extreme direction and be formed in wall extension Interior inner cavity, the inner cavity are connected to the admission chamber to be formed with the accommodating chamber radial separations, the heating with the input duct Pipe ring is around in the periphery setting of the wall extension.

11. pump as claimed in claim 7, it is characterised in that: the heating tube includes the annular pipe portion of at least one circumference.

12. pump as described in claim 1, it is characterised in that: the pump is additionally provided with the pressure connecting with the heating device signal Power switch, the pressure switch is equipped with and extends into the monitoring side in the accommodating chamber, when the receiving cavity pressure reaches predetermined When pressure value, the pressure switch signal notifies the heating devices heat.

13. pump as claimed in claim 11, it is characterised in that: the pump is equipped in the heating tube of the heating device Fuse, the fuse are equipped with limiting temperature, when in accommodating chamber fluid temperature (F.T.) reach capacity temperature when, the fuse disconnects The heater circuit of the heating device, so that the heater stop heats the fluid.