CN209629609U - A kind of heating device of washing pump - Google Patents

Abstract

The utility model discloses a kind of heating devices of washing pump, including are extended from outside the pump housing into pump chamber, the heating component heated to pump intracavity liquid；Heating component realizes the connection between the pump housing by the mounting groove being arranged on the pump housing；It is parallel that heating component with the pump housing connects the flat heated that the mounting plane to be formed and heating component are thermally formed liquid in the pump chamber of the pump housing by mounting groove；The heating component includes heating tube and the fuse and heater strip that are set to inside heating tube；Set gradually and by across bolts and nuts cooperate, realize heating tube the first heating unit, the second heating unit and the third heating unit that connect with the pump housing.The utility model provides a kind of heating device of washing pump, can reduce the volume of the pump housing under the premise of guaranteeing pump housing function, promote the washing accommodation space of wash mill, by the structure change of heating component, so that the thermal field in pump chamber becomes more evenly, to avoid the problem of Thermal-mechanical Coupling is brought.

Description

A kind of heating device of washing pump

Technical field

The utility model belongs to field of home appliance technology, specifically, being related to a kind of heating device of washing pump.

Background technique

With the improvement of living standards, requirement of the consumer to quality of the life is higher and higher, thus quality, property to product The requirement of the various aspects such as the intelligence of the hommization, operation that can, use is also higher and higher.Dish-washing machine is as a outstanding product Also it gradually enters into people's lives, the heating that dish-washing machine technology is generally become one with washing with heating function at present Pump, the pump housing with heating function generally include upper and lower pump case, the impeller being installed in pump case, the electricity for driving wheel rotation Machine and calandria etc. for heating fluid.Existing several heat pumps are being applied to liquid driven and continuous circulating-heating A kind of household electrical appliances application scenarios under, need compact a liquid driven and heating element, calandria be mounted on inside pump case or It is individually for a part (pump case as above or lower pump case) of pump case, the calandria being mounted on inside pump case, such as cyclic annular heating tube, due to It needs to be wrapped on the outside of impeller between pump case, increase so as to cause pump pump case product, the efficiency of pump reduces.While heating tube itself Safety guard measure missing can not be tested by the test under non-normal condition, such as heating tube dry combustion method.Another calandria is pump The heat pump of shell a part, because pump case needs good sealing and heat resistance, pump case and heating tube seal structure are generally more The overall costs such as complexity, part manufacturing and assembly are higher.

Application No. is the Chinese patents of CN201810240903.5 to disclose a kind of heat pump and tool for dish-washing machine There is this to be used for the dish-washing machine of the heat pump of dish-washing machine, the heat pump for dish-washing machine includes: pump case, has heating in pump case Pump chamber, heating pump chamber have inlet and outlet；Motor, motor have shaft and are connected with pump case, and shaft extend into heating pump chamber It is interior；Impeller, impeller is intracavitary in heat pump and is mounted in shaft, and impeller includes body part and extension, and the diameter of extension is small In the diameter of the body part；Heating component, heating component include heating tube, fuse and the heating being located in the heating tube Silk；The heating component is placed between the import and the impeller, and the internal diameter of the segmental arc is greater than the outer of impeller extension Diameter, and the internal diameter of the segmental arc is less than the outer diameter of the body part.

Application No. is the Chinese patents of CN201810143548.X to disclose a kind of heat-collecting pump and dish-washing machine, wherein thermal-arrest Pump includes: pump case, has pump chamber, and the upper end of pump case has inlet and outlet；Separator is set in pump chamber, and will pump Chamber is divided into level-one pump chamber and second level pump chamber, and second level pump chamber is located at the top of level-one pump chamber, and is formed on separator positioned at one First spiral diffusion runner of grade pump chamber, the end of the first spiral diffusion runner are equipped with the runner exit of connection second level pump chamber, and The roof of first spiral diffusion runner is at least partly connected to second level pump chamber；Second level pump chamber is connected to water outlet；Heating member is set to Second level pump chamber；Impeller is set to level-one pump chamber；And connectedness, to be connected to water inlet and level-one pump chamber.

The above-mentioned prior art, although the skill for the problems such as proposing, efficiency big for heat pump anti-dry and pump housing volume Art scheme, but still remain, for liquid when pumping body-internal-circulation, low efficiency, discharge uniformity are poor；Heating component is set in the pump housing It sets and occupies excessive space；There are technological deficiencies for the heating tube portion setting of heating component, cause heating uneven or heating power The problems such as coupling causes local stress excessive, impacts to heating tube lifetime.

Therefore, it is necessary to improve to shortcomings and deficiencies of the prior art, a kind of heating device of washing pump, energy are provided It is enough to reduce the volume of the pump housing under the premise of guaranteeing pump housing function, the washing accommodation space of wash mill is promoted, while by changing Into the structure of impeller, improve basin situation in pump chamber, so that flow is more evenly, reduction is small to the impact of cavity wall, extends the pump housing Service life, and by the structure change of heating component, so that the thermal field in pump chamber becomes more evenly, to avoid Thermal-mechanical Coupling The problem of bringing.

In view of this special to propose the utility model.

Utility model content

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide one kind can overcome it is above-mentioned Problem or at least be partially solved the above problem washing pump heating device.

In order to solve the above technical problems, the basic idea of the utility model adopting the technical scheme is: a kind of washing pump adds Thermal, including

It is extended from outside the pump housing into pump chamber, the heating component that pump intracavity liquid is heated；

Heating component realizes the connection between the pump housing by the mounting groove being arranged on the pump housing；

It is right in the pump chamber of the pump housing that heating component with the pump housing connect the mounting plane to be formed and heating component by mounting groove The flat heated that liquid is thermally formed is parallel.

Wherein, described

Heating component protrudes into pump chamber from the radial direction of the pump housing, and heating component is protruded into pump chamber from the radial direction of the pump housing It is interior, it avoids and forms plane included angle between heating component and impeller, so that liquid generates noise when pumping cavity circulation, while Under the action of angle, trickle is generated, pump chamber wall is caused to impact, for a long time using the service life for influencing the pump housing；

Except, heating component includes

Heating tube and the fuse and heater strip being set to inside heating tube；

Set gradually and by across bolts and nuts cooperate, realize heating tube connect with the pump housing first heat singly Member, the second heating unit and third heating unit, have redefined the connection type of heating component and the pump housing, so that heating component Improved the sealing performance of device by clamping force inside and outside the pump housing, but also to the disassembly of heating component, maintenance, maintenance, It maintains and is improved to the replacement of pressure switch, the user experience is improved.

Further, described

Heating tube includes segmental arc, first straight line section and second straight line section；

The other end of the connection of one end of first straight line section and segmental arc, second straight line section and arc segment connects；

Fuse is located at least one of the first straight line section and second straight line section and far from the segmental arc；

In one embodiment, the segmental arc of heating tube, first straight line section and second straight line section coexist in a plane, shape The flat heated for heating the liquid flowed through at one, in heating tube, thermal stress coupling is more uniform, and the structure of heating tube is more Step up to gather, avoid heating component reduced lifetime caused by stress raisers or safety accident there is a situation where.

Further, described

Heating tube protrudes into pump chamber from the outside of the pump housing；

Another side of the heating tube in the pump housing, positioned at impeller with respect to inlet；

In one embodiment, it curved portion wound impeller and is opened with wheel space.

The case where being arranged by the positional relationship of impeller and heating component, improving basin in pump chamber, so that flow is more Uniformly, heating efficiency is higher, and heating component is set to the lower part of impeller, while ensure that heating efficiency, reduces heating Component also avoids heating component by the impact for entering pump intracavity liquid, improves heating to the additional occupancy in pump housing space The security performance of component.

Also further, described

First heating unit is set in pump chamber；

First straight line section, second straight line section and bolt pass outwards through first be arranged on the first heating unit from the inside of pump chamber Sets of vias；

First heating unit is additionally provided with sensing hole, and sensing hole is used for through liquid, so realize to liquid level in pump chamber into Row induction；

In one embodiment, the first heating unit forms a cover or shell or gland, realizes the second heating unit Sealing in pump chamber；

First heating unit prevents the second heating unit heated, generates deformation on bolt installation direction；

In one embodiment, the hardness of the first heating unit is greater than the second heating unit.

Still further, described

Mounting groove and third heating unit on second heating unit and the pump housing cooperate, and stretch inwardly from the outside of the pump housing Enter in pump chamber, under the action of the first heating unit, realizes the sealing in pump chamber；

In one embodiment, after first straight line section, second straight line section and bolt pass through the first heating unit, setting is passed through In on the second heating unit, the second sets of vias corresponding with first through hole group；

In one embodiment, the second heating unit is additionally provided with, and fixing seat corresponding with sensing hole, fixing seat is used for The fixed first pressure incuded to liquid level in pump chamber switchs；

In one embodiment, fixing seat is the column structure with elasticity or inner threaded or buckle.

Further, described

Mounting groove on third heating unit and the pump housing cooperates, inside from the outside of the pump housing, by the second heating unit and pump The mounting groove of body compresses, and then realizes the sealing of the second heating unit；

In one embodiment, first straight line section, second straight line section and bolt are arranged on third heating unit, with First through hole group and the corresponding third through-hole group of the second sets of vias；

In one embodiment, third heating unit is additionally provided with, and is consolidated with what the fixing seat of the second heating unit matched Determine hole.

In addition, first heating unit, the second heating unit and third heating unit by with the peace that is arranged on the pump housing Tankage cooperation, forms a mounting plane.

In one embodiment, described

Heating component passes through the tabletting groove being set on third heating unit and the positioning bar being set on the first pump case Docking, realizes the positioning of heating component；

Heating component by be set to the first card slot of third heating unit two sides be set on the first pump case first Claw docking, realizes the fixation of heating component.

In one embodiment, the heating component connect the mounting plane to be formed and heating group by mounting groove with the pump housing The flat heated that part is thermally formed liquid in the pump chamber of the pump housing is coplanar, effectively avoids heating component dry-fire condition Generation, the pressure switch in same induction planes is sensitiveer to the liquid induction in pump chamber, improves the work effect of the pump housing Rate also avoids the waste of the energy.

After adopting the above technical scheme, the utility model has the advantages that compared with prior art

1, the utility model ensure that by the way that the mounting plane of heating component and flat heated to be set in same plane During heating, in heating tube, thermal stress coupling is more uniform, and the structure of heating tube is more compact, avoids part Heating component reduced lifetime or safety accident caused by stress is concentrated there is a situation where；

2, further, by the induction planes of pressure switch and flat heated, and or, mounting plane be set to it is same flat In face, the generation of heating component dry-fire condition is effectively avoided, the pressure switch in same induction planes is to the liquid in pump chamber Body-sensing should be sensitiveer, improves the working efficiency of the pump housing, also avoids the waste of the energy；

3, the case where further, being arranged by the positional relationship of impeller and heating component, improving basin in pump chamber, makes Flow it is more uniform, heating efficiency is higher, heating component is set to the lower part of impeller, while ensure that heating efficiency, Heating component is reduced to the additional occupancy in pump housing space, also avoids impact of the heating component by entrance pump intracavity liquid, Improve the security performance of heating component；

4, further, the structure of heating component is improved, pressure switch is merged therewith, so that heated flat Face, mounting plane and induction planes coexistence one side, meanwhile, by the improvement of heating component structure, redefine heating component With the connection type of the pump housing so that heating component inside and outside the pump housing by clamping force, improve the sealing performance of device, also make It obtains to the disassembly of heating component, maintenance, maintenance, maintenance and is improved to the replacement of pressure switch, improve user's body It tests；

5, heating component is protruded into pump chamber from the radial direction of the pump housing further, avoids heating component and impeller Between form plane included angle so that liquid generates noise when pumping cavity circulation, while under the action of angle, generate trickle, Pump chamber wall is caused to impact, for a long time using the service life for influencing the pump housing.

Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.

Detailed description of the invention

The a part of attached drawing as the utility model, is further understood from the utility model for providing, this is practical Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model. Obviously, the accompanying drawings in the following description is only some embodiments, to those skilled in the art, is not paying creation Property labour under the premise of, can also be obtained according to these attached drawings other accompanying drawings.

In the accompanying drawings:

Fig. 1 is the perspective view of the explosion of the utility model wash mill pump body structure, for showing various components in the pump housing Matching relationship；

Fig. 2 is the utility model wash mill pump body structure the first schematic diagram of cross-sectional view, for showing heating component, impeller Deng the facilities in pump body；

Fig. 3 is the utility model wash mill pump body structure the second schematic diagram of cross-sectional view, is had rotated on the basis of Fig. 2 It 90 °, to pump body structure internal chamber, is shown from another angle；

Fig. 4 is heating component the first schematic diagram of explosion of the utility model pump body structure, right along heating component installation direction Heating component various pieces have carried out explosion and have shown；

Fig. 5 is that the heating component of the utility model pump body structure is exploded the second schematic diagram, from another visual angle with Fig. 4, Explosion is carried out to heating component various pieces to show；

Fig. 6 is the heating component schematic cross-sectional view of the utility model pump body structure, on the basis of main view, will heat group Part has carried out section view displaying；

Fig. 7 is the impeller explosion diagram of the utility model pump body structure；

Fig. 8 is the impeller basin schematic diagram of the utility model pump body structure, and liquid is flowed to the basin of formation in impeller It is shown；

Fig. 9 is the schematic top plan view of the second wheel body in the utility model impeller, and in a top view, exit angle is carried out It shows；

Figure 10 is the utility model pump body structure involute schematic diagram, mainly to the involuted angle in pump chamber in involute design Degree is shown；

Figure 11 is the first schematic diagram of the utility model pump body structure, mainly to the skill that second pressure pass is arranged at liquid outlet Art scheme is shown；

Figure 12 is the second schematic diagram of the utility model pump body structure, mainly to the technology that temperature switch is arranged on the outside of the pump housing Scheme is shown；

Figure 13 is the utility model pump body structure third schematic diagram, is demonstrated largely in pump chamber inner wall and is arranged at liquid outlet Water retaining ribs.

In figure: 1, the pump housing；1.1, the first pump case；1.2, the second pump case；1.3, involuted angle degree；2, pump chamber；2.1, the first chamber Room；2.2, second chamber；3, inlet；4, liquid outlet；5, impeller；5.1, circulation port；5.2, the first wheel body；5.3, the second wheel Body；5.4, water inlet；5.5, go out sap cavity；5.6, the first water route；5.7, the second water route；5.8, blade；5.9, raised；5.10, it is small Hole；5.11, exit angle；6, motor；7, heating component；7.1, heating tube；7.1.1, segmental arc；7.1.2, first straight line section； 7.1.3, second straight line section；7.2, bolt；7.3, nut；7.4, the first heating unit；7.5, the second heating unit；7.6, third Heating unit；7.7, first through hole group；7.8, sensing hole；7.9, the second sets of vias；7.10, fixing seat；7.11, third through-hole Group；7.12, the first claw；7.13, the first card slot；7.14, tabletting groove；7.15, fixation hole；8, pressure sensitive portion；8.1, One pressure switch；8.2, second pressure switchs；9, wall is drained；10, outlet tube；11, the first mounting base；12, temperature switch；13, Second mounting base；14, positioning pin；15, positioning seat；16, sealing ring；17, the second claw；18, the second card slot；19, positioning bar； 20, mounting groove；21, water retaining ribs.

It should be noted that these attached drawings and verbal description are not intended to limit the design of the utility model in any way Range, but illustrate the concept of the utility model for those skilled in the art by referring to specific embodiments.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer The technical solution in embodiment is clearly and completely described in attached drawing in type embodiment, and following embodiment is for illustrating this Utility model, but be not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "vertical", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for describing the utility model and simplifying description, rather than the device or element of indication or suggestion meaning must have specific side Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary. For the ordinary skill in the art, can be understood with concrete condition above-mentioned term in the present invention specifically contain Justice.

With the improvement of living standards, requirement of the consumer to quality of the life is higher and higher, thus quality, property to product The requirement of the various aspects such as the intelligence of the hommization, operation that can, use is also higher and higher.Dish-washing machine is as a outstanding product Also it gradually enters into people's lives, the heating that dish-washing machine technology is generally become one with washing with heating function at present Pump, the pump housing 1 with heating function generally include upper and lower pump case, the impeller being installed in pump case 5, for driving impeller 5 to rotate Motor 6 and calandria etc. for heating fluid.Existing several heat pumps are being applied to liquid driven and are continuously recycling Under a kind of household electrical appliances application scenarios of heating, compact a liquid driven and heating element are needed, calandria is mounted in pump case Portion or a part (pump case as above or lower pump case) for being individually for pump case, the calandria being mounted on inside pump case, such as cyclic annular heating tube 7.1, due to needing to be wrapped between 5 outside of impeller and pump case, increase so as to cause pump pump case product, the efficiency of pump reduces.Add simultaneously The safety guard measure of heat pipe 7.1 itself lacks, can not be by the test under non-normal condition, such as 7.1 dry combustion method of heating tube Experiment.Another calandria is the heat pump of pump case a part, because pump case needs good sealing and heat resistance, pump case and heating tube 7.1 sealing structures are generally complex, and the overall costs such as part manufacturing and assembly are higher.

Therefore, for it is above-mentioned in use, the utility model provides a kind of pump housing 1 of wash mill Structure can reduce the volume of the pump housing 1, promote the washing accommodation space of wash mill under the premise of guaranteeing 1 function of the pump housing, Simultaneously by changing the structure of impeller 5, basin situation in pump chamber 2 is promoted, so that flow is more evenly, reduces the impact to cavity wall It is small, extend the service life of the pump housing 1, and pass through the structure change of heating component 7, so that the thermal field in pump chamber 2 becomes more It is even, the problem of Thermal-mechanical Coupling is brought is avoided, it is specific as follows.

Fig. 1 is the perspective view of the explosion of 1 structure of the utility model wash mill pump housing, for showing various components in the pump housing 1 Matching relationship, as can be seen that 1 structure of the pump housing of wash mill is divided into 7 two parts of the pump housing 1 and heating component from attached drawing 1, The flat heated and mounting plane of middle heating component 7 are co-located in same plane, ensure that during heating, in heating tube On 7.1, thermal stress coupling is more uniform, and the structure of heating tube 7.1 is more compact, avoids heating caused by stress raisers There is a situation where in addition, the pump housing 1 is distinguished along the direction of rotation of impeller 5 according to erection sequence for 7 reduced lifetime of component or safety accident It is provided with the first pump case 1.1, the second pump case 1.2, positioning pin 14, positioning seat 15, sealing ring 16, the second pump case 1.2 and motor 6, The first pump case 1.1 and the second pump case 1.2 in the pump housing 1 realize connection by the second claw 17 and the second card slot 18, may be used also in Fig. 1 See that first pressure switch 8.1 connect setting jointly with heating component 7, the purpose being arranged in this way is the induction of pressure switch Plane and flat heated, and or, mounting plane is set in same plane, effectively avoid 7 dry-fire condition of heating component Occur, the pressure switch in same induction planes is sensitiveer to the liquid induction in pump chamber 2, improves the work effect of the pump housing 1 Rate also avoids the waste of the energy.

Fig. 2 is 1 the first schematic diagram of structure sectional view of the utility model wash mill pump housing, for showing heating component 7, leaf The facilities inside the pump housing 1 such as wheel 5, from cuing open for 1 structure of the pump housing that can see in attached drawing 2 including heating component 7 Face schematic diagram, it is clear that heating component 7 is set to the lower part of impeller 5, specifically, the lower part of impeller 5 is referred to The inlet 3 of 1 structure of the pump housing upward, motor 6 downward when orientation, this orientation is also that 1 structure of the pump housing is installed on wash mill When position, it can be seen that projection of the liquid outlet 4 in pump chamber 2, at least covering impeller 5 and part heating component 7 pass through covering The setting of impeller 5 and heating component 7 avoids liquid mistake so that the deposit liquid in second chamber 2.2 is effectively recycled More being deposited in second chamber 2.2 causes the circulation in basin unsmooth, and then influences the use of the pump housing 1, in addition, passing through impeller 5 The case where being arranged with the positional relationship of heating component 7, improve basin in pump chamber 2, so that flow is more uniform, heating efficiency is more Heating component 7 is set to the lower part of impeller 5 by height, and while ensure that heating efficiency, it is empty to the pump housing 1 to reduce heating component 7 Between additional occupancy, also avoid heating component 7 by enter pump chamber 2 in liquid impact, improve the safety of heating component 7 Performance.

Fig. 3 is 1 the second schematic diagram of structure sectional view of the utility model wash mill pump housing, is had rotated on the basis of Fig. 2 It 90 °, to 1 inside configuration chamber of the pump housing, is shown from another angle, specifically, Fig. 3 is the left view of Fig. 2, mainly In order to which the pump chamber 2 in 1 structure of the pump housing is clearly shown, it can be seen in figure 3 that impeller 5 pump chamber 2 is divided into it is close The second chamber 2.2 of the first chamber 2.1 of inlet 3 and separate inlet 3, heating component 7 are set to second chamber 2.2 It is interior, the case where being arranged by the positional relationship of impeller 5 and heating component 7, improve basin in pump chamber 2, so that flow is more equal Even, heating efficiency is higher, and heating component 7 is set to the lower part of impeller 5, while ensure that heating efficiency, reduces heating Component 7 also avoids heating component 7 by the impact for entering liquid in pump chamber 2, improves to the additional occupancy in 1 space of the pump housing The security performance of heating component 7.

Fig. 4 is the first schematic diagram of explosion of heating component 7 of 1 structure of the utility model pump housing, along 7 side of installation of heating component To explode to 7 various pieces of heating component shows, the structure inside heating component 7 is disassembled one by one, can be seen It arrives, the mounting plane that the installing component of the flat heated that the heating tube 7.1 of heating component 7 is formed and heating component 7 is formed is in It in one plane, ensure that during heating, in heating tube 7.1, thermal stress coupling is more uniform, heating tube 7.1 Structure is more compact, avoid 7 reduced lifetime of heating component caused by stress raisers or safety accident there is a situation where；

Fig. 5 is the second schematic diagram of explosion of heating component 7 of 1 structure of the utility model pump housing, from another view with Fig. 4 Angle has carried out explosion to 7 various pieces of heating component and has shown, in order to by the first heating unit 7.4,7.5 and of the second heating unit The another side structure of third heating unit 7.6 is shown, and as can be seen from Figure 5 third heating unit 7.6 is provided with deep gouge, Second heating unit 7.5 is embedded in the deep gouge of third heating unit 7.6, the first heating unit 7.4 from the inside of pump chamber 2 with pumping The second heating unit 7.5 and third heating unit 7.6 outside chamber 2 cooperate, and by the effect of bolt 7.2 and nut 7.3, make Second heating unit 7.5 is clamped, and then realizes the sealing of heating component 7 and the pump housing 1；

Fig. 6 is that 7 schematic cross-sectional view of heating component of 1 structure of the utility model pump housing will heat on the basis of main view Component 7 has carried out section view displaying, is further shown technical solution described in Fig. 5 from the section situation of main view；

Fig. 7 is 5 explosion diagram of impeller of 1 structure of the utility model pump housing, by the first wheel body 5.2 of impeller 5 and Two wheel bodys 5.3 are separated, and have further understanding to impeller 5 described herein convenient for those skilled in the art, by leaf The first wheel body 5.2 and 5.3 connection relationship of the second wheel body of wheel 5 have carried out definition again, so that the first wheel body 5.2 and second After being positioned between wheel body 5.3 by protrusion 5.9, aperture 5.10, hot melt is integral, and using arc shaped blade 5.8 and specific Exit angle 5.11 improves the effect of the integrally-built performance of impeller 5 and watershed drainage；

Fig. 8 is the 5 basin schematic diagram of impeller of 1 structure of the utility model pump housing, and liquid is flowed to the stream of formation in impeller 5 Domain is shown, from attached drawing 8 as can be seen that the liquid flows into impeller 5 via inlet 3, forms drawing with blade 5.8 Stream, flows through out sap cavity 5.5, from the first water route 5.6 that liquid outlet 4 flows out；Sap cavity 5.5 is flowed through out, into second chamber 2.2, and The circulation port 5.1 being arranged from the second wheel body 5.3 is back to out sap cavity 5.5, finally converges into the first water route 5.6 from liquid outlet 4 Second water route 5.7 of outflow；Meanwhile by 5 structure of impeller, provided with being back to impeller 5 from 5 lower 5.1 of impeller The second internal water route 5.7, while ensure that heating component 7 to liquid heating function, so that the basin more adduction in pump chamber 2 Reason realizes suction, row's one, while reducing impeller 5 and heating component 7 to the occupancy in 2 space of pump chamber, so that the body of the pump housing 1 Product is reduced；

Fig. 9 is the schematic top plan view of the second wheel body 5.3 in the utility model impeller 5, in a top view, by exit angle 5.11 are shown, are understood convenient for exit angle 5.11 of the those skilled in the art to blade 5.8；

Figure 10 is 1 structure involute schematic diagram of the utility model pump housing, mainly to gradually opening in involute design in pump chamber 2 Angle 1.3 is shown there is further understanding to use of the involute on the pump housing 1 convenient for those skilled in the art, is needed It is noted that Figure 10 is only a schematic diagram, water retaining ribs 21, In are additionally provided with close to 4 side of liquid outlet in 2 inner wall of pump chamber Expression is not made in Figure 10, but the specific structure not represented inside pump chamber 2 is just as shown in Figure 10；

Figure 11 is 1 the first schematic diagram of structure of the utility model pump housing, mainly to the setting second pressure pass at liquid outlet 4 Technical solution is shown, it should be noted that first pressure switch 8.1 and second pressure switch 8.2 are set to by Figure 11 In same attached drawing 11, but do not represent when first pressure switch 8.1 or second pressure switch 8.2 is arranged, just centainly simultaneously Need second pressure switch 8.2 or first pressure switch 8.1, when will wherein some pressure switch remove when, this scheme according to It is so feasible, it is only necessary to be blocked installing port by the measure that cock body or other tapping are leaked；

Figure 12 is 1 the second schematic diagram of structure of the utility model pump housing, mainly to the setting temperature switch 12 on the outside of the pump housing 1 Technical solution is shown, it should be noted that the technical solution of the temperature switch 12 in Figure 12 also may include setting One pressure switch 8.1, and or, second pressure switch 8.2 technical solution, while temperature switch 12 remove when, cock body can be passed through Or installing port is blocked in the measure of other tapping leakage；

Figure 13 is 1 structure third schematic diagram of the utility model pump housing, is demonstrated largely in 2 inner wall of pump chamber at liquid outlet 4 The water retaining ribs 21 of setting, in 2 inside of pump chamber at liquid outlet 4, that is, the position of outlet tube 10, the inside of pump chamber 2 have more One section of water retaining ribs 21 increases the water retaining ribs 21, Ke Yiyou that the extended line of involute is formed at the outlet tube 10 of 2 inner wall of pump chamber Effect increases effect of the impeller 5 to the power of liquid, improves action time, increases hydraulic pressure.

When technical solution described above is applied in specific embodiment, as described below.

Embodiment one

As shown in figure 1 to figure 13, a kind of pump of wash mill described in the present embodiment, including the pump housing 1；Setting in the pump housing 1 Have, accommodates the pump chamber 2 of liquid；It is provided on the pump housing 1, the inlet 3 and liquid outlet 4 being connected to pump chamber 2；It is provided in pump chamber 2, The impeller 5 being connect with motor 6 by shaft；Further include from outside the pump housing 1 into pump chamber 2 be extended, to liquid in pump chamber 2 into The heating component 7 of row heating；It is set on the pump housing 1, the first pressure switch 8.1 being connect with heating component 7；Impeller 5 is by pump chamber 2 are divided into the first chamber 2.1 close to inlet 3 and the second chamber 2.2 far from inlet 3；Heating component 7 is set to In second chamber 2.2, after liquid flows into pump chamber 2 via inlet 3, after impeller 5 and heating component 7, from liquid out Mouth 4 flows out.

Embodiment two

As shown in figure 1 to figure 13, the present embodiment is further limiting for above-described embodiment one, one kind described in the present embodiment The pump of wash mill, described in projection of the liquid outlet 4 in pump chamber 2, at least covering impeller 5 and part heating component 7 pass through The setting of covering impeller 5 and heating component 7 avoids liquid so that the deposit liquid in second chamber 2.2 is effectively recycled Excessive being deposited in second chamber 2.2 of body causes the circulation in basin unsmooth, and then influences the use of the pump housing 1.

Embodiment three

As shown in Figure 4 and Figure 5, the present embodiment is further limiting for above-described embodiment one or embodiment two, the present embodiment A kind of pump of the wash mill, described in heating component 7 include heating tube 7.1 and being set to inside heating tube 7.1 Fuse and heater strip；Set gradually and by across bolt 7.2 and nut 7.3 cooperate, realize heating tube 7.1 and the pump housing The first heating unit 7.4, the second heating unit 7.5 and the third heating unit 7.6 of 1 connection, have redefined heating component 7 With the connection type of the pump housing 1 so that heating component 7 inside and outside the pump housing 1 by clamping force, improve the sealing performance of device, But also being improved to the disassembly of heating component 7, maintenance, maintenance, maintenance and to the replacement of pressure switch, use is improved Family experience.

Further, the heating tube 7.1 includes segmental arc 7.1.1, first straight line section 7.1.2 and second straight line section 7.1.3；First straight line section 7.1.2 is connect with one end of segmental arc 7.1.1, the other end of second straight line section 7.1.3 and arc segment Connection；Fuse is located at least one of the first straight line section 7.1.2 and second straight line section 7.1.3 and far from the arc Shape section 7.1.1；The second chamber 2.2 in pump chamber 2 is protruded into the side of heating tube 7.1 from the pump housing 1；Curved portion wound impeller 5 and with Impeller 5 is spaced apart.

Example IV

As shown in Figure 4 and Figure 5, the present embodiment is the further of above-described embodiment one to any embodiment of embodiment three Limit, a kind of pump of wash mill described in the present embodiment, described in the segmental arc 7.1.1 of heating tube 7.1, first straight line section 7.1.2 coexist in a plane with second straight line section 7.1.3, form the flat heated for heating the liquid flowed through, adding On heat pipe 7.1, thermal stress coupling is more uniform, and the structure of heating tube 7.1 is more compact, and avoiding stress raisers causes 7 reduced lifetime of heating component or safety accident there is a situation where.

Embodiment five

As shown in Figure 4 and Figure 5, the present embodiment is further limit of the above-described embodiment one to four any embodiments of implementation It is fixed, a kind of pump of wash mill described in the present embodiment, described in the first heating unit 7.4 be set in pump chamber 2；First is straight Line segment 7.1.2, second straight line section 7.1.3 and bolt 7.2 are passed outwards through from the inside of pump chamber 2 to be arranged on first heating unit 7.4 First through hole group 7.7, first through hole group 7.7 be by the first straight line section 7.1.2 of heating tube 7.1 and second straight line section 7.1.3 with And the through-hole that bolt 7.2 is positioned, it can be same size and be also possible to different sizes, for the ease of single with other heating Member is distinguished, and therefore, is referred to as first through hole group 7.7 in the first heating unit 7.4, in addition, the first heating unit 7.4 is also It being provided with, the sensing hole 7.8 of liquid level in pump chamber 2 is incuded for first pressure switch 8.1, the liquid of pump chamber 2 passes through sensing hole 7.8, The height of liquid level being passed into first pressure switch 8.1, being arranged on the first heating unit 7.4 from can be seen that in Fig. 4 and Fig. 5 First through hole group 7.7 and sensing hole 7.8 in the same plane.

Embodiment six

As shown in Figure 4 and Figure 5, the present embodiment is further limit of the above-described embodiment one to five any embodiments of implementation It is fixed, a kind of pump of wash mill described in the present embodiment, described in the first heating unit 7.4 formed a cover or shell or Gland, realizes sealing of second heating unit 7.5 in pump chamber 2, the first heating unit 7.4 prevent the second heating unit 7.5 by Heat generates deformation on 7.2 installation direction of bolt, and further, the hardness of the first heating unit 7.4 is greater than the second heating unit 7.5。

Embodiment seven

As shown in Figure 4 and Figure 5, the present embodiment is further limit of the above-described embodiment one to six any embodiments of implementation It is fixed, a kind of pump of wash mill described in the present embodiment, described in the second heating unit 7.5 and the mounting groove 20 on the pump housing 1 And third heating unit 7.6 cooperates, and is protruded into pump chamber 2 inwardly from the outside of the pump housing 1, in the work of the first heating unit 7.4 Under, the sealing in pump chamber 2 is realized, it is single that first straight line section 7.1.2, second straight line section 7.1.3 and bolt 7.2 pass through the first heating After member 7.4, it is disposed through on the second heating unit 7.5, second sets of vias 7.9 corresponding with first through hole group 7.7, second Heating unit 7.5 is additionally provided with, and the fixing seat 7.10 cooperated with first pressure switch 8.1, fixing seat 7.10 and sensing hole 7.8 are right It answers, first pressure switch 8.1 realizes the fixation with heating component 7, as shown in Figure 4 and Figure 5, fixing seat by fixing seat 7.10 7.10 be hollow structure, and the protrusion 5.9 that first pressure switch 8.1 is arranged by front end is real across hollow fixing seat 7.10 Now fix.

Embodiment eight

As shown in Figure 4 and Figure 5, the present embodiment is further limit of the above-described embodiment one to seven any embodiments of implementation It is fixed, a kind of pump of wash mill described in the present embodiment, described in fixing seat 7.10 be with elasticity or inner threaded or The column structure of buckle.

Embodiment nine

As shown in Figure 4 and Figure 5, the present embodiment is further limit of the above-described embodiment one to eight any embodiments of implementation It is fixed, a kind of pump of wash mill described in the present embodiment, described in third heating unit 7.6 and the pump housing 1 on mounting groove 20 Cooperation, it is inside from the outside of the pump housing 1, the mounting groove 20 of the second heating unit 7.5 and the pump housing 1 is compressed, and then realize that second adds The sealing of hot cell 7.5, first straight line section 7.1.2, second straight line section 7.1.3 and bolt 7.2 pass through on third heating unit 7.6 It is arranged, third through-hole group 7.11 corresponding with first through hole group 7.7 and the second sets of vias 7.9, third heating unit 7.6 It is additionally provided with, the fixation hole 7.15 matched with the fixing seat 7.10 of the second heating unit 7.5, mainly setting is fixation hole 7.15 Third heating unit 7.6 is passed through for first pressure switch 8.1.

Embodiment ten

As shown in Figure 4 and Figure 5, the present embodiment is further limit of the above-described embodiment one to nine any embodiments of implementation It is fixed, a kind of pump of wash mill described in the present embodiment, described in the first heating unit 7.4, the second heating unit 7.5 and the Three heating units 7.6 form a mounting plane by cooperating with the mounting groove 20 being arranged on the pump housing 1.

Further, after first pressure switch 8.1 is connect with heating component 7, one is formed from inside pump chamber 2, is successively led to Sensing hole 7.8, fixing seat 7.10 and fixation hole 7.15 are crossed, the induction planes incuded to liquid level in pump chamber 2.

Embodiment 11

As shown in Figure 4 and Figure 5, the present embodiment is further limit of the above-described embodiment one to ten any embodiments of implementation It is fixed, a kind of pump of wash mill described in the present embodiment, described in 8.1 pairs of pump chambers 2 of first pressure switch in liquid level feel The induction planes answered are not less than, the flat heated that heating component 7 heats liquid in pump chamber 2, and or, heating component 7 The mounting plane cooperatively formed with mounting groove 20, by the induction planes and flat heated of pressure switch, and or, mounting plane is set It is placed in same plane, effectively avoids the generation of 7 dry-fire condition of heating component, the pressure switch pair in same induction planes Liquid induction in pump chamber 2 is sensitiveer, improves the working efficiency of the pump housing 1, also avoids the waste of the energy.

Embodiment 12

As shown in Figure 4 and Figure 5, the present embodiment is the further of above-described embodiment one to 11 any embodiments of implementation Limit, a kind of pump of wash mill described in the present embodiment, described in induction planes it is coplanar with flat heated and mounting plane.

Embodiment 13

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 12 any embodiments it is further It limits, a kind of pump of wash mill described in the present embodiment, including the pump housing 1；The pump housing 1 passes through the first pump case 1.1 fastened and the Two pump cases 1.2 form the pump chamber 2 for accommodating liquid；It is provided on the pump housing 1, the inlet 3 and liquid outlet 4 being connected to pump chamber 2；Pump chamber It is provided in 2, the impeller 5 being connect with motor 6；It further include being extended from outside the pump housing 1 into pump chamber 2, to liquid in pump chamber 2 The heating component 7 heated；Pump chamber 2 is divided into close to the first chamber 2.1 of inlet 3 and far from inlet 3 by impeller 5 Second chamber 2.2；Heating component 7 is set in second chamber 2.2；It is set on 5 ontology of impeller, makes in second chamber 2.2 Liquid reflux to impeller 5, and the circulation port 5.1 flowed out from liquid outlet 4.

Embodiment 14

As shown in Figure 7 to 10, be originally embodied as above-described embodiment one to implement 13 any embodiments it is further Limit, a kind of pump of wash mill described in the present embodiment, described in impeller 5 include being matched with 1.1 shape of the first pump case The first wheel body 5.2 and the second wheel body 5.3 of blade 5.8 is installed；First wheel body 5.2 be provided with corresponding inlet 3 into The mouth of a river 5.4；On second wheel body 5.3, at least one circulation port 5.1 is provided between two blades 5.8；First wheel body 5.2 and Sap cavity 5.5 is formed with out between two wheel bodys 5.3；By being redefined to 5 structure of impeller, so that the liquid basin in pump chamber 2 It has obtained planning again, flow of the liquid in pump chamber 2 is more uniform, avoids and rushes cavity wall as caused by excessive turning It hits.

Embodiment 15

As shown in Figure 7 to 10, be originally embodied as above-described embodiment one to implement 14 any embodiments it is further Limit, a kind of pump of wash mill described in the present embodiment, described in liquid flow into impeller 5 via inlet 3, formed with leaf The drainage of piece 5.8 flows through out sap cavity 5.5, from the first water route 5.6 that liquid outlet 4 flows out；Sap cavity 5.5 is flowed through out, into second Chamber 2.2, and the circulation port 5.1 being arranged from the second wheel body 5.3 is back to out sap cavity 5.5, finally converges into the first water route 5.6 from liquid outlet 4 flow out the second water route 5.7；Meanwhile by being provided with from 5 lower 5.1 of impeller in 5 structure of impeller It is back to the second water route 5.7 inside impeller 5, while ensure that heating component 7 to liquid heating function, so that in pump chamber 2 Basin it is more reasonable, realize suction, row's one, while reducing impeller 5 and heating component 7 to the occupancy in 2 space of pump chamber, make The volume for obtaining the pump housing 1 is reduced.

Embodiment 16

As shown in Figure 7 to 10, be originally embodied as above-described embodiment one to implement 15 any embodiments it is further Limit, a kind of pump of wash mill described in the present embodiment, described in the aperture of circulation port 5.1 be more than or equal to 5 diameter of impeller 5%.

Embodiment 17

As shown in Figure 7 to 10, be originally embodied as above-described embodiment one to implement 16 any embodiments it is further Limit, a kind of pump of wash mill described in the present embodiment, described in inlet 3 include one section and be extended into pump chamber 2 Drainage wall 9；Drainage arm protrudes into the water inlet 5.4 being arranged on the first wheel body 5.2, and the liquid for flowing through inlet 3 is introduced leaf Wheel 5 goes out in sap cavity 5.5, and specifically, the gap between the first wheel body 5.2 and the first pump case 1.1 forms first chamber 2.1, And since drainage arm stretches to the water inlet 5.4 on the first wheel body 5.2, when liquid flows into impeller 5, first chamber Liquid inflow is had no in 2.1, later due to the turning effort of impeller 5, is just had certain liquid and is entered first chamber 2.1, because This, effect very little of the first chamber 2.1 at 1 work of the pump housing, so, the application reduces first chamber 2.1 as far as possible, by right The structure of setting drainage arm avoids so that liquid can flow directly into impeller 5 in leaf between impeller 5 and the inlet 3 of the pump housing 1 Excessively high or excessive or excessively complicated flow guiding structure is set on wheel 5, meanwhile, the shape between impeller 5 and the pump housing 1 is subjected to structure Suitable setting is greatly reduced the gap between impeller 5 and the pump housing 1, so that the volume of the pump housing 1 has obtained further contracting It is small.

Embodiment 18

As shown in Figure 7 to 10, be originally embodied as above-described embodiment one to implement 17 any embodiments it is further Limit, a kind of pump of wash mill described in the present embodiment, described in blade 5.8 meet to 5.2 1 face interval of the first wheel body and set It is equipped at least one protrusion 5.9；The protrusion 5.9 being arranged on corresponding blade 5.8, is provided with corresponding small on the first wheel body 5.2 Hole 5.10；When first wheel body 5.2 and the second wheel body 5.3 fasten, protrusion 5.9 passes through aperture 5.10, after melt process, the first round Body 5.2 and the second wheel body 5.3 form integral structure；First wheel body 5.2 of impeller 5 and 5.3 connection relationship of the second wheel body are carried out Again definition, so that after being positioned by protrusion 5.9, aperture 5.10 between the first wheel body 5.2 and the second wheel body 5.3, hot melt Integrally.

Embodiment 19

As shown in Figure 7 to 10, be originally embodied as above-described embodiment one to implement 18 any embodiments it is further Limit, a kind of pump of wash mill described in the present embodiment, described in blade 5.8 be to be set to the second wheel body 5.3, from leaf The volute flabellum that the rotation center of wheel 5 is extended to 5 edge of impeller；With being extended to 5 edge of impeller, blade 5.8 Width be gradually reduced.

Embodiment 20

As shown in Figure 7 to 10, be originally embodied as above-described embodiment one to implement 19 any embodiments it is further Limit, a kind of pump of wash mill described in the present embodiment, described in 5.8 quantity of blade be prime number；The extended line of blade 5.8 The exit angle 5.11 formed with the tangent line that blade 5.8 rotates is between 30 ° and 50 °；Using arc shaped blade 5.8 and specific Exit angle 5.11 improves the effect of the integrally-built performance of impeller 5 and watershed drainage.

Embodiment 21

As shown in Figure 7 to 10, be originally embodied as above-described embodiment one to implement 20 any embodiments it is further Limit, a kind of pump of wash mill described in the present embodiment, described in 1 inner wall of the pump housing using involute design, in pump chamber 2 Wall forms a water retaining ribs 21 at liquid outlet 4, through the extension of involute, increases at the outlet tube 10 of 2 inner wall of pump chamber The water retaining ribs 21 for adding the extended line of involute to be formed can effectively increase effect of the impeller 5 to the power of liquid, when raising acts on Between, increase hydraulic pressure.

Embodiment 22

As shown in Figure 7 to 10, be originally embodied as above-described embodiment one to implement 21 any embodiments into one Step limits, a kind of pump of wash mill described in the present embodiment, described in liquid outlet 4 blocked by water retaining ribs 21 after area with The area ratio of liquid outlet 4 is less than or equal to 0.67.

Embodiment 23

As shown in Figure 7 to 10, be originally embodied as above-described embodiment one to implement 22 any embodiments into one Step limits, a kind of pump of wash mill described in the present embodiment, described in involuted angle degree 1.3 between 3 ° to 7 °.

Embodiment 24

As shown in Figure 7 to 10, be originally embodied as above-described embodiment one to implement 23 any embodiments into one Step limits, a kind of pump of wash mill described in the present embodiment, described in the diameter of impeller 5 and the diameter ratio of the pump housing 1 be situated between Between 0.75 to 0.85, is designed inside the pump housing 1 using involute, improves the reasonability in 1 internal liquid basin of the pump housing, Improve performance and the service life of 1 structure of the pump housing.

Embodiment 25

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 24 any embodiments into one Step limits, a kind of pump of wash mill described in the present embodiment, including the pump housing 1；It is provided in the pump housing 1, accommodates the pump chamber of liquid 2；It is provided on the pump housing 1, the inlet 3 and liquid outlet 4 being connected to pump chamber 2；It is provided in pump chamber 2, the leaf being connect with motor 6 Wheel 5；It further include being extended from outside the pump housing 1 into pump chamber 2, the heating component 7 that liquid in pump chamber 2 is heated；Setting In the pressure sensitive portion 8 on the pump housing 1, incuded to liquid level in pump chamber 2；Pump chamber 2 is divided into close to inlet 3 by impeller 5 The second chamber 2.2 of first chamber 2.1 and separate inlet 3；Heating component 7 is set in second chamber 2.2.

Embodiment 26

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 25 any embodiments into one Step limits, a kind of pump of wash mill described in the present embodiment, described in pressure sensitive portion 8 include be set on the pump housing 1, and The first pressure switch 8.1 being connect with heating component 7；It is set to the liquid outlet 4 of the pump housing 1, and second connect with outlet tube 10 Pressure switch 8.2；Pressure switch is set at 1 outlet tube 10 of the pump housing, the liquid for flowing through liquid outlet 4 is detected, further Guarantee the heating function of the pump housing 1, meanwhile, pressure switch avoids the liquid due to heat by being directly connected to outlet tube 10 Body passes through the influence to pressure switch, is provided on outlet tube 10, for fixing the first mounting base of second pressure switch 8.2 11；Pressure sensitive portion 8 forms an induction planes to the induction of liquid level in pump chamber 2.

Embodiment 27

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 26 any embodiments into one Step limits, a kind of pump of wash mill described in the present embodiment, described in pressure sensitive portion 8 liquid level in pump chamber 2 is felt The induction planes answered are not less than, the flat heated that heating component 7 heats liquid in pump chamber 2, and or, heating component 7 The mounting plane cooperatively formed with mounting groove 20 effectively avoids the generation of 7 dry-fire condition of heating component.

Embodiment 28

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 27 any embodiments into one Step limits, a kind of pump of wash mill described in the present embodiment, described in 8.1 pairs of pump chambers 2 of first pressure switch in liquid level into Row induction induction planes and flat heated, and or, mounting plane is coplanar, the pressure switch in same induction planes is to pump chamber 2 Interior liquid induction is sensitiveer, improves the working efficiency of the pump housing 1, also avoids the waste of the energy.

Embodiment 29

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 28 any embodiments into one Step limits, a kind of pump of wash mill described in the present embodiment, including the pump housing 1；It is provided in the pump housing 1, accommodates the pump chamber of liquid 2；It is provided on the pump housing 1, the inlet 3 and liquid outlet 4 being connected to pump chamber 2；It is provided in pump chamber 2, the leaf being connect with motor 6 Wheel 5；It further include being extended from outside the pump housing 1 into pump chamber 2, the heating component 7 that liquid in pump chamber 2 is heated；Setting In the liquid outlet 4 of the pump housing 1, the second pressure switch 8.2 incuded to the liquid for flowing through liquid outlet 4；Impeller 5 draws pump chamber 2 It is divided into the first chamber 2.1 close to inlet 3 and the second chamber 2.2 far from inlet 3；Heating component 7 is set to second In chamber 2.2.

Embodiment 30

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 29 any embodiments into one Step limits, a kind of pump of wash mill described in the present embodiment, described in liquid outlet 4 at be provided with outlet tube 10；Outlet tube It is provided on 10, for fixing the first mounting base 11 of second pressure switch 8.2；First mounting base 11 by squeeze or screw thread or The fixation of second pressure switch 8.2 is realized in clamping, pressure switch is arranged at 1 outlet tube 10 of the pump housing, to the liquid for flowing through liquid outlet 4 Body is detected, and is further ensured that the heating function of the pump housing 1, meanwhile, pressure switch by being directly connected to outlet tube 10, The liquid due to heat is avoided by the influence to pressure switch.

Embodiment 31

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 30 any embodiments it is further Limit, a kind of pump of wash mill described in the present embodiment, described in 8.2 pairs of pump chambers 2 of second pressure switch in liquid level progress The induction planes of induction are not less than, the flat heated that heating component 7 heats liquid in pump chamber 2, and or, heating group The mounting plane that part 7 and mounting groove 20 cooperatively form, effectively avoids the generation of 7 dry-fire condition of heating component, same induction Pressure switch in plane is sensitiveer to the liquid induction in pump chamber 2, improves the working efficiency of the pump housing 1, also avoids energy The waste in source.

Embodiment 32

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 31 any embodiments into one Step limits, a kind of pump of wash mill described in the present embodiment, described in flat heated and mounting plane it is coplanar.

Embodiment 33

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 32 any embodiments into one Step limits, a kind of pump of wash mill described in the present embodiment, including the pump housing 1；It is provided in the pump housing 1, accommodates the pump chamber of liquid 2；It is provided on the pump housing 1, the inlet 3 and liquid outlet 4 being connected to pump chamber 2；It is provided in pump chamber 2, the leaf being connect with motor 6 Wheel 5；It further include being extended from outside the pump housing 1 into pump chamber 2, the heating component 7 that liquid in pump chamber 2 is heated；Setting In the temperature switch 12 on the pump housing 1, being monitored to fluid temperature in pump chamber 2；Pump chamber 2 is divided into close to inlet 3 by impeller 5 First chamber 2.1 and far from inlet 3 second chamber 2.2；Heating component 7 is set in second chamber 2.2.

Embodiment 34

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 33 any embodiments into one Step limits, a kind of pump of wash mill described in the present embodiment, described in the pump housing 1 be provided with, be used for fixed temperature switch 12 The second mounting base 13, temperature switch 12 protrudes into pump chamber 2 from the second mounting base 13, the mounting plane of the second mounting base 13 with plus The flat heated of hot component 7 is parallel.

Embodiment 35

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 34 any embodiments into one Step limits, a kind of pump of wash mill described in the present embodiment, described in the second mounting base 13 mounting plane and heating group The flat heated of part 7 is coplanar.

Embodiment 36

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 35 any embodiments into one Step limits, a kind of pump of wash mill described in the present embodiment, described in the second mounting base 13 by squeezing or screw thread or card The fixation for realizing temperature switch 12 is connect, temperature switch 12 is provided on the outside of the pump housing 1, so as to heating actual in pump chamber 2 Holding becomes multidimensional and diversified, and the generation of dry combustion method problem is also further avoided to the monitoring of temperature.

Embodiment 37

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 36 any embodiments into one Step limits, a kind of heating device of washing pump described in the present embodiment, including is extended from outside the pump housing 1 into pump chamber 2, right The heating component 7 that liquid is heated in pump chamber 2；Heating component 7 is realized and the pump housing 1 by the mounting groove 20 being arranged on the pump housing 1 Between connection；Heating component 7 connect the mounting plane formed and heating component 7 in the pump housing 1 by mounting groove 20 with the pump housing 1 The interior flat heated being thermally formed to liquid of pump chamber 2 is parallel.

Embodiment 38

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 37 any embodiments into one Step limits, a kind of heating device of washing pump described in the present embodiment, described in heating component 7 include heating tube 7.1 and The fuse and heater strip being set to inside heating tube 7.1；Set gradually and by across bolt 7.2 and nut 7.3 cooperate, Realize the first heating unit 7.4, the second heating unit 7.5 and third heating unit 7.6 that heating tube 7.1 is connect with the pump housing 1, weight The connection type of heating component 7 Yu the pump housing 1 is newly defined, so that heating component 7 is inside and outside the pump housing 1 by clamping force, promotion The sealing performance of device, but also to the disassembly of heating component 7, maintenance, maintenance, maintenance and more getting in return to pressure switch Improvement is arrived, the user experience is improved.

Embodiment 39

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 38 any embodiments into one Step limits, a kind of heating device of washing pump described in the present embodiment, described in heating tube 7.1 include segmental arc 7.1.1, the One straightway 7.1.2 and second straight line section 7.1.3；First straight line section 7.1.2 is connect with one end of segmental arc 7.1.1, and second is straight Line segment 7.1.3 and the other end of arc segment connect；Fuse is located at the first straight line section 7.1.2 and second straight line section 7.1.3 At least one of in and far from the segmental arc 7.1.1, segmental arc 7.1.1, the first straight line section 7.1.2 of heating tube 7.1 and Second straight line section 7.1.3 coexists in a plane, the flat heated for heating the liquid flowed through is formed, in heating tube 7.1 On, thermal stress coupling is more uniform, and the structure of heating tube 7.1 is more compact, avoids heating group caused by stress raisers 7 reduced lifetime of part or safety accident there is a situation where.

Example IV ten

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 39 any embodiments into one Step limits, a kind of heating device of washing pump described in the present embodiment, described in the outside of heating tube 7.1 from the pump housing 1 protrude into In pump chamber 2；Heating tube 7.1 is in the pump housing 1, positioned at the another side of the opposite inlet 3 of impeller 5, curved portion wound impeller 5 and and leaf The case where wheel 5 is spaced apart, and is arranged by the positional relationship of impeller 5 and heating component 7, is improved basin in pump chamber 2, so that stream To measure more uniform, heating efficiency is higher, heating component 7 is set to the lower part of impeller 5, while ensure that heating efficiency, drop Low additional occupancy of the heating component 7 to 1 space of the pump housing also avoids heating component 7 and is rushed by liquid in pump chamber 2 is entered It hits, improves the security performance of heating component 7.

Example IV 11

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 40 any embodiments it is further Limit, a kind of heating device of washing pump described in the present embodiment, described in the first heating unit 7.4 be set in pump chamber 2； First straight line section 7.1.2, second straight line section 7.1.3 and bolt 7.2 are passed outwards through from the inside of pump chamber 2 on first heating unit 7.4 The first through hole group 7.7 of setting；First heating unit 7.4 is additionally provided with sensing hole 7.8, and sensing hole 7.8 is used to pass through liquid, into And realize and liquid level in pump chamber 2 is incuded, the first heating unit 7.4 forms a cover or shell or gland, realizes second Sealing of the heating unit 7.5 in pump chamber 2, the first heating unit 7.4 prevents the second heating unit 7.5 heated, in bolt 7.2 Deformation is generated on installation direction, the hardness of the first heating unit 7.4 is greater than the second heating unit 7.5.

Example IV 12

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 41 any embodiments into one Step limits, a kind of heating device of washing pump described in the present embodiment, described in the second heating unit 7.5 on the pump housing 1 Mounting groove 20 and third heating unit 7.6 cooperate, and are protruded into pump chamber 2 inwardly from the outside of the pump housing 1, single in the first heating Under the action of member 7.4, the sealing in pump chamber 2 is realized, first straight line section 7.1.2, second straight line section 7.1.3 and bolt 7.2 pass through It after first heating unit 7.4, is disposed through on the second heating unit 7.5, second through-hole corresponding with first through hole group 7.7 Group 7.9, the second heating unit 7.5 is additionally provided with, fixing seat 7.10 corresponding with sensing hole 7.8, and fixing seat 7.10 is for solid The fixed first pressure switch 8.1 incuded to liquid level in pump chamber 2, fixing seat 7.10 are with elasticity or inner threaded or card The column structure of button.

Example IV 13

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 42 any embodiments into one Step limits, a kind of heating device of washing pump described in the present embodiment, described in third heating unit 7.6 and the pump housing 1 on Mounting groove 20 cooperates, inside from the outside of the pump housing 1, the mounting groove 20 of the second heating unit 7.5 and the pump housing 1 is compressed, Jin Ershi The sealing of existing second heating unit 7.5, first straight line section 7.1.2, second straight line section 7.1.3 and bolt 7.2 are heated across third It is arranged on unit 7.6, third through-hole group 7.11 corresponding with first through hole group 7.7 and the second sets of vias 7.9, third adds Hot cell 7.6 is additionally provided with, the fixation hole 7.15 matched with the fixing seat 7.10 of the second heating unit 7.5.

Further, first heating unit 7.4, the second heating unit 7.5 and third heating unit 7.6 by with pump The mounting groove 20 being arranged on body 1 cooperates, and forms a mounting plane.

Example IV 14

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 43 any embodiments into one Step limits, a kind of heating device of washing pump described in the present embodiment, described in heating component 7 by being set to third heating Tabletting groove 7.14 on unit 7.6 is docked with the positioning bar 19 being set on the first pump case 1.1, realizes determining for heating component 7 Position；Heating component 7 is by being set to the first card slot 7.13 of 7.6 two sides of third heating unit and being set on the first pump case 1.1 The first claw 7.12 docking, realize heating component 7 fixation, specifically, heating component 7 by positioning bar 19 and tabletting it is recessed Slot 7.14 realizes the contraposition for heating up component 7 Yu mounting groove 20, is then inserted into heating component 7 in the mounting groove 20 of the pump housing 1, It is again fixed by the improvement of 7 structure of heating component again by realizing and clamping the first claw 7.12 and the first card slot 7.13 buckle The justice connection type of heating component 7 and the pump housing 1 so that heating component 7 inside and outside the pump housing 1 by clamping force, improve dress The sealing performance set, but also obtaining to the disassembly of heating component 7, maintenance, maintenance, maintenance and to the replacement of pressure switch Improve, the user experience is improved.

Example IV 15

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 44 any embodiments into one Step limits, a kind of heating device of washing pump described in the present embodiment, described in heating component 7 and the pump housing 1 pass through mounting groove The flat heated that the mounting plane and heating component 7 that 20 connections are formed are thermally formed liquid in the pump chamber 2 of the pump housing 1 is total Face effectively avoids the generation of 7 dry-fire condition of heating component, and the pressure switch in same induction planes is to the liquid in pump chamber 2 Body-sensing should be sensitiveer, improves the working efficiency of the pump housing 1, also avoids the waste of the energy.

Example IV 16

As shown in figure 1 to figure 13, be originally embodied as above-described embodiment one to implement 45 any embodiments into one Step limits, a kind of heating device of washing pump described in the present embodiment, described in heating component 7 from the radial direction of the pump housing 1 It protrudes into pump chamber 2, heating component is protruded into pump chamber from the radial direction of the pump housing, avoids shape between heating component and impeller At plane included angle, so that liquid generates noise when pumping cavity circulation, while under the action of angle, trickle is generated, to pump chamber Wall causes to impact, for a long time using the service life for influencing the pump housing.

In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that the utility model Embodiment can be practiced without these specific details.In some instances, be not been shown in detail well known method, Structure and technology, so as not to obscure the understanding of this specification.

Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more in each utility model aspect A, in the description above to the exemplary embodiment of the utility model, each feature of the utility model is divided together sometimes Group is into single embodiment, figure or descriptions thereof.However, the method for the disclosure should not be construed to reflect following meaning Figure: the requires of the utility model features more more than feature expressly recited in each claim i.e. claimed. More precisely, as reflected in the following claims, it is in terms of utility model single less than disclosed above All features of embodiment.Therefore, it then follows thus claims of specific embodiment are expressly incorporated in the specific embodiment party Formula, wherein separate embodiments of each claim as the utility model itself.

Other than such feature and/or at least some of process or unit exclude each other, it can use and appoint What combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed All process or units of any method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint The claims, abstract and drawings) disclosed in each feature can with an alternative feature that provides the same, equivalent, or similar purpose come Instead of.

In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is practical new in this Within the scope of type and form different embodiments.For example, in the following claims, embodiment claimed It is one of any can in any combination mode come using.

The utility model is limited it should be noted that above-described embodiment illustrates rather than the utility model, And those skilled in the art can be designed alternative embodiment without departing from the scope of the appended claims.In right In it is required that, any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" is not arranged Except there are element or steps not listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of more A such element.In the unit claims listing several devices, several in these devices can be by same One hardware branch embodies.The use of word first, second, and third does not indicate any sequence.It can be by these lists Word is construed to title.

The above is only the preferred embodiment of the utility model, not makees in any form to the utility model Limitation, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with The technical staff of this patent is not departing within the scope of technical solutions of the utility model, when the technology contents work using above-mentioned prompt A little equivalent embodiment changed or be modified to equivalent variations out, but all contents without departing from technical solutions of the utility model, Any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still belong to In the range of the utility model.

Claims (10)

1. a kind of heating device of washing pump, it is characterised in that: including

It is extended from the pump housing (1) is external into pump chamber (2), the heating component (7) that pump chamber (2) interior liquid is heated；

Heating component (7) realizes the connection between the pump housing (1) by the mounting groove (20) being arranged on the pump housing (1)；

Heating component (7) connect the mounting plane formed and heating component (7) in the pump housing by mounting groove (20) with the pump housing (1) (1) the interior flat heated being thermally formed to liquid of pump chamber (2) is parallel.

2. a kind of heating device of washing pump according to claim 1, it is characterised in that: described

The radial direction of heating component (7) from the pump housing (1) protrudes into pump chamber (2)；

Heating component (7) includes

Heating tube (7.1) and the fuse and heater strip for being set to heating tube (7.1) inside；

Set gradually and by across bolt (7.2) and nut (7.3) cooperate, realize heating tube (7.1) connect with the pump housing (1) The first heating unit (7.4), the second heating unit (7.5) and third heating unit (7.6).

3. a kind of heating device of washing pump according to claim 2, it is characterised in that: described

Heating tube (7.1) includes segmental arc (7.1.1), first straight line section (7.1.2) and second straight line section (7.1.3)；

First straight line section (7.1.2) is connect with one end of segmental arc (7.1.1), and second straight line section (7.1.3) is another with arc segment One end connection；

Fuse is located at least one of the first straight line section (7.1.2) and second straight line section (7.1.3) and far from institute State segmental arc (7.1.1)；

Segmental arc (7.1.1), first straight line section (7.1.2) and the second straight line section (7.1.3) of heating tube (7.1), which coexist one, puts down In face, the flat heated for heating the liquid flowed through is formed.

4. a kind of heating device of washing pump according to claim 3, it is characterised in that: described

The outside of heating tube (7.1) from the pump housing (1) is protruded into pump chamber (2)；

Heating tube (7.1) is located at the another side of impeller (5) with respect to inlet (3) in the pump housing (1)；

It curved portion wound impeller (5) and is spaced apart with impeller (5).

5. a kind of heating device of washing pump according to claim 4, it is characterised in that: described

First heating unit (7.4) is set in pump chamber (2)；

First straight line section (7.1.2), second straight line section (7.1.3) and bolt (7.2) pass outwards through first from the inside of pump chamber (2) and add The first through hole group (7.7) being arranged on hot cell (7.4)；

First heating unit (7.4) is additionally provided with sensing hole (7.8), and sensing hole (7.8) is used for through liquid, and then is realized to pump Chamber (2) interior liquid level is incuded；

First heating unit (7.4) forms a cover or shell or gland, realizes the second heating unit (7.5) in pump chamber (2) Interior sealing；

First heating unit (7.4) prevents the second heating unit (7.5) heated, generates deformation on bolt (7.2) installation direction；

The hardness of first heating unit (7.4) is greater than the second heating unit (7.5).

6. a kind of heating device of washing pump according to claim 5, it is characterised in that: described

Mounting groove (20) and third heating unit (7.6) on second heating unit (7.5) and the pump housing (1) cooperate, from the pump housing (1) outside is protruded into inwardly in pump chamber (2), under the action of the first heating unit (7.4), realizes the sealing in pump chamber (2)；

After first straight line section (7.1.2), second straight line section (7.1.3) and bolt (7.2) pass through the first heating unit (7.4), wear It crosses and is set on the second heating unit (7.5), the second sets of vias (7.9) corresponding with first through hole group (7.7)；

Second heating unit (7.5) is additionally provided with, fixing seat (7.10) corresponding with sensing hole (7.8), fixing seat (7.10) For the fixed first pressure switch (8.1) incuded to pump chamber (2) interior liquid level；

Fixing seat (7.10) is the column structure with elasticity or inner threaded or buckle.

7. a kind of heating device of washing pump according to claim 6, it is characterised in that: described

Mounting groove (20) on third heating unit (7.6) and the pump housing (1) cooperates, inside from the outside of the pump housing (1), and second is added Hot cell (7.5) and the mounting groove (20) of the pump housing (1) compress, and then realize the sealing of the second heating unit (7.5)；

First straight line section (7.1.2), second straight line section (7.1.3) and bolt (7.2) pass through to be arranged on third heating unit (7.6) , third through-hole group (7.11) corresponding with first through hole group (7.7) and the second sets of vias (7.9)；

Third heating unit (7.6) is additionally provided with, the fixation hole matched with the fixing seat (7.10) of the second heating unit (7.5) (7.15)。

8. a kind of heating device of washing pump according to claim 7, it is characterised in that: first heating unit (7.4), the second heating unit (7.5) is with third heating unit (7.6) by matching with the mounting groove (20) being arranged on the pump housing (1) It closes, forms a mounting plane.

9. according to a kind of heating device of any washing pump of claim 2-8, it is characterised in that: described

Heating component (7) is by the tabletting groove (7.14) that is set on third heating unit (7.6) and is set to the first pump case (1.1) positioning bar (19) docking on, realizes the positioning of heating component (7)；

Heating component (7) is by being set to first card slot (7.13) of third heating unit (7.6) two sides and being set to the first pump The first claw (7.12) docking on shell (1.1), realizes the fixation of heating component (7).

10. the heating device of -8 any a kind of washing pumps according to claim 1, it is characterised in that: the heating component (7) mounting plane formed and heating component (7) are connect in the pump chamber (2) of the pump housing (1) by mounting groove (20) with the pump housing (1) The flat heated being thermally formed to liquid is coplanar.