CN208973534U - A kind of food processor - Google Patents

Abstract

The utility model provides a kind of food processor, including cup body, motor and grinding device, motor includes the shell for being provided with stator and the rotary shaft for being provided with rotor, and the front end of rotary shaft is stretched out shell and protruded into cup body, and grinding device is mounted on the front end of rotary shaft；Motor further includes thermal conductor, installation cavity is provided in rotary shaft, one end of at least rotary shaft is provided with the opening being connected to installation cavity, thermal conductor is arranged in installation cavity, when rotary shaft high-speed rotation generates amount of heat because of friction, high temperature heat on rotor can be conducted by rotary shaft to thermal conductor, the front end of rotary shaft is stretched out shell and is protruded into cup body and slurry liquid contacts, allowing for the heat in rotary shaft in this way, forward end is transmitted more quickly, also it can be transferred in slurries more quickly, so that the temperature of motor reduces, the reliability of motor is also guaranteed, the service performance of food processor can be more preferable.

Description

A kind of food processor

Technical field

This application involves food processing field, espespecially a kind of food processor.

Background technique

Existing food processor is that food materials are cut by motor driven Disintegrating knife, makes drink, but motor exists A large amount of heat can be generated in the course of work, so that motor temperature rise constantly increases, after motor temperature rises to certain limit, held Motor burnout phenomenon easily occurs.Meanwhile motor used in rotation shaft material be 1Cr17Ni2 carbon steel, heat conductivity compared with Difference, if heat in rotary shaft can not Quick diffusing come out, rotary shaft is also easy to that paste axis phenomenon, after drink make, spy occurs It is not difficult to clean.

Wherein, the structure and mounting structure of motor generates heat and motor itself have bigger relationship, origin of heat In terms of three, first, rotary shaft drive motor rotor high-speed rotation is ceaselessly rubbed between commutation brush and carbon brush Scouring damage, and amount of heat is generated, also, due to the barrier of motor casing, the temperature of motor motor internal rotor increases very fast, heat Amount is not easy to come out.Second, the rear and front end of motor, which is provided between sliding bearing and rotary shaft, forms sliding friction, Also a large amount of heat can be generated and be collected in rotary shaft.Third, motor are installed in food processor, need to rotary shaft with It is sealed at axis hole, so that the fretting wear of high speed can occur between rotary shaft and shaft seal, can also generate a large amount of heat Amount.

As the publicity that food processor production drink exempted from filter without slag in recent years is promoted, material is realized using pot motor Broken wall has become the trend of food processor industry technology upgrading.Therefore, the heat that how to generate motor because of fretting wear and When distribute, reduce the temperature rise of motor, promote the performance and reliability of motor itself, it appears particularly important.

Utility model content

In order to solve the above-mentioned technical problem at least one of, this application provides food processor, can rapidly by Heat on rotor is conducted to the outside of motor, to realize the purpose for reducing motor temperature rise, promoting motor reliability, food processing The service performance of machine is more preferable.

In order to reach the application purpose, food processor provided by the utility model, including cup body, motor and crush dress It sets, the motor includes the shell for being provided with stator and the rotary shaft for being provided with rotor, described in the front end of the rotary shaft is stretched out Shell simultaneously protrudes into the cup body, and the grinding device is mounted on the front end of the rotary shaft；The motor further includes heat transfer Body is provided with installation cavity in the rotary shaft, and one end of at least described rotary shaft is provided with the opening being connected to the installation cavity, The thermal conductor is arranged in the installation cavity.

Optionally, the food processor further includes head, and the head includes: head upper cover；And head lower cover, with institute It states head upper cover to fit together, the motor is mounted in the head lower cover, and the front end of the rotary shaft is from the head The front end of lower cover is stretched out, and the front end of the thermal conductor is lower than the front end of the head lower cover.

Optionally, water level mark is provided on the side wall of the cup body, the front end of the thermal conductor is higher than the water level stake Know, and the axial distance between the front end of the thermal conductor and water level mark is not more than 10mm.

Optionally, water level mark is provided on the side wall of the cup body, the front end of the thermal conductor is lower than the water level stake Know.

Optionally, the food processor further include: base, the cup body are mounted on the base, the motor peace In the base, the front end of the rotary shaft is protruded into the cup body by the bottom wall or side wall of the cup body.

Optionally, the thermal conductor is conductive fluid or thermally conductive powder, and the conductive fluid or thermally conductive powder are filled out from the opening It fills in the installation cavity, the opening is provided with sealing element.

Optionally, sealing element is the metal block of the silica gel part either welding of plug dress.

Optionally, the thermal conductor is heat conductive rod, and the heat conductive rod interference is mounted in the installation cavity, described in realizing Heat conductive rod is directly contacted with the cavity wall of the installation cavity.

Optionally, the thermal conductor is heat conductive rod, and the heat conductive rod gap is mounted in the installation cavity, the heat conductive rod It is filled with thermally conductive grease or heat-conducting silicone grease, between the cavity wall of the installation cavity to realize the heat conductive rod and the installation cavity Cavity wall mediate contact.

Optionally, the opening of the rear end of the heat conductive rod from the rotation shaft rear end is stretched out, the rear end peace of the heat conductive rod Equipped with cooling fin or flabellum.

Optionally, the internal diameter of the installation cavity is 3 ~ 8mm.

Compared with prior art, food processor provided by the utility model, the rotary shaft of motor are provided with installation cavity, pass Hot body is arranged in installation cavity, and when rotary shaft high-speed rotation generates amount of heat because of friction, the high temperature heat on rotor can lead to It crosses rotary shaft to conduct to thermal conductor, the front end of rotary shaft is stretched out shell and protruded into cup body and slurry liquid contacts, allows in this way Heat in rotary shaft more quickly transmit by forward end, can also be transferred in slurries more quickly, so that motor Temperature reduces, and the reliability of motor is also guaranteed that the service performance of food processor can be more preferable.Moreover, what rotary shaft distributed Heat also heats slurries, and the energy is substantially effectively utilized, and avoids the waste of energy.

Other features and advantage will illustrate in the following description, also, partly become from specification It obtains it is clear that being understood and implementing the application.The purpose of the application and other advantages can be by specifications, right Specifically noted structure is achieved and obtained in claim and attached drawing.

Detailed description of the invention

Attached drawing is used to provide to further understand technical scheme, and constitutes part of specification, with this The embodiment of application is used to explain the technical solution of the application together, does not constitute the limitation to technical scheme.

Fig. 1 is the schematic cross-sectional view of food processor described in the utility model one embodiment；

Fig. 2 is the portion the A enlarged structure schematic diagram of food processor shown in Fig. 1；

Fig. 3 is the partial structurtes schematic cross-sectional view of food processor described in another embodiment of the utility model；

Fig. 4 is the schematic cross-sectional view of food processor described in the utility model further embodiment.

Wherein, the corresponding relationship in Fig. 1 to Fig. 4 between appended drawing reference and component names are as follows:

1 cup body, 2 motors, 3 grinding devices, 4 shells, 5 rotors, 6 rotary shafts, 7 thermal conductors, 8 head upper covers, 9 Head lower cover, 10 flabellums, 11 water levels mark, 12 bases, 13 sealing elements.

Specific embodiment

For the purposes, technical schemes and advantages of the application are more clearly understood, below in conjunction with attached drawing to the application Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application Feature can mutual any combination.

Many details are explained in the following description in order to fully understand the application, still, the application may be used also Implement in a manner of using other than the one described here, therefore, the protection scope of the application is not by following public tool The limitation of body embodiment.

The food processor of some embodiments of the application is described with reference to the accompanying drawing.

Food processor provided by the utility model, as shown in Figures 1 to 4, including cup body 1, motor 2 and grinding device 3, Motor 2 includes being provided with the shell 4 of stator and being provided with the rotary shaft 6 of rotor 5, and the front end of rotary shaft 6 is stretched out shell 4 and stretched Enter in cup body 1, grinding device 3 is mounted on the front end of rotary shaft 6；Motor 2 further includes thermal conductor 7, and installation is provided in rotary shaft 6 Chamber, the rear end of at least rotary shaft 6 are provided with the opening being connected to installation cavity, and thermal conductor 7 is arranged in installation cavity.

Food processor provided by the utility model, the rotary shaft 6 of motor 2 are provided with installation cavity, and the setting of thermal conductor 7 is being pacified In behaveing affectedly, when 6 high-speed rotation of rotary shaft generates amount of heat because of friction, the high temperature heat on rotor 5 can be passed by rotary shaft 6 It is directed on thermal conductor 7, the front end of rotary shaft 6 is stretched out shell 4 and protruded into cup body 1 and slurry liquid contacts, allows for rotary shaft 6 in this way On heat more quickly forward end transmit, can also be transferred in slurries more quickly, so that the temperature of motor 2 drops Low, the reliability of motor 2 is also guaranteed, the service performance of food processor can be more preferable.Moreover, the heat that rotary shaft 6 distributes Also slurries are heated, the energy is substantially effectively utilized, avoid the waste of energy.

In one embodiment of the utility model, as shown in Figure 1 to Figure 3, food processor further includes head, head packet It includes: head upper cover 8；It with head lower cover 9, is fitted together with head upper cover 8, motor 2 is mounted in head lower cover 9, rotary shaft 6 Front end stretched out from the front end of head lower cover 9, the front end of thermal conductor 7 is lower than the front end of head lower cover 9, so that it is soaked in slurrying Enter into slurries, the heat that rotary shaft 6 distributes can be transmitted into slurries more quickly, guarantee the heat of motor 2 rapidly While shedding, also slurries are heated, make full use of the energy, are avoided energy waste.

Preferably, water level mark 11 is provided on the side wall of cup body 1, the front end of thermal conductor 7 is higher than in water level mark 11(figure It is not shown), and the axial distance between the front end of thermal conductor 7 and water level mark 11 is not more than 10mm.

By the study found that the front end of thermal conductor 7 is lower than the front end of head lower cover 9, because rotary shaft 6 as carbon Steel, heat conductivity is poor, and the front end of thermal conductor 7 is bigger higher than water level mark (i.e. liquid level) distance, and 2 heat dissipation effect of motor is poorer, In the front end of thermal conductor 7, the distance apart from water level mark 11 is more than 10mm, and the effect that motor 2 radiates can significantly reduce, and is based on this, Generally require the front end of thermal conductor 7 apart from the distance of water level mark 11 no more than 10mm.

It is also possible to as shown in Figure 1, being provided with water level mark 11 on the side wall of cup body 1, the front end of thermal conductor 7 is lower than water Bit identification 11, that is, be immersed in slurries, and the path of such heat transfer is most short, and more conducively motor 2 radiates.

In order to preferably radiate, it is desirable that the length that head lower cover 9 is stretched out in the front end of heat carrier is not less than 10mm, to be beaten In the process, increase the heat transfer area that heat carrier is conducted heat by rotary shaft 6 and absorbed by slurries.

In another embodiment of the utility model, as shown in figure 4, food processor further include: base 12, cup body 1 are pacified On base 12, motor 2 is mounted in base 12, and the front end of rotary shaft 6 is protruded into cup body 1 by the bottom wall or side wall of cup body 1, Grinding device 3 is mounted on the front end of rotary shaft 6.

Such as food processor is broken wall cooking machine, coffee machine, automatic washing soymilk maker, and the mesh of the application can be achieved 's.

Wherein, thermal conductor 7 is conductive fluid or thermally conductive powder, and conductive fluid or thermally conductive powder are filled in installation cavity from opening, Opening is provided with sealing element 13(wherein, and sealing element 13 can be the metal block etc. that the silica gel part of plug dress is either welded, herein Repeat no more), to prevent the either thermally conductive powder leakage of conductive fluid.Conductive fluid for example distilled water, alcohol, thermally conductive grease, lead Hot silicone grease etc., thermally conductive powder for example copper powder, aluminium powder, iron powder etc..The study found that being packed into installation cavity for the present embodiment The volume of conductive fluid account for the 30% ~ 60% of installation cavity, wherein when using distilled water, generally account for about 40% ~ 60%, when using alcohol, Generally account for about 30% ~ 50%.

For the food processor with head, when 6 high-speed rotation of rotary shaft because fretting wear generates amount of heat When, the high temperature heat on rotor 5 can be conducted by rotary shaft 6 to conductive fluid, and adjoining liquid medium can be continuous with rotor 5 Absorption rotor 5 on the heat that conducts, after the heat of absorption has reached the boiling point of liquid medium, liquid medium can be by liquid State is vaporized into gaseous state, and moves to the side far from rotor 5, to be full of entire installation cavity.Simultaneously as the front end of rotary shaft 6 It through head lower cover 9 and protrudes into cup body 1, rotary shaft can be passed through in installation cavity, far from 5 side of rotor in gaseous medium 6 constantly distribute heat to outside, and the side in installation cavity far from rotor 5 is condensed into liquid.At the same time, installation cavity Capillary layer can be also attached on inner wall, according to capillary absorption phenomenon, condensed liquid medium molecule can be continuous by capillary layer Moved to 5 side of rotor, to repeat above-mentioned process, liquid medium heat absorption is vaporized into gaseous state by liquid, and is installing It is intracavitary to be moved to the side far from rotor 5, until heat dissipation condensation.Wherein, after liquid medium is vaporized into gaseous state by liquid, installation The pressure of chamber can constantly increase, according to the principle that atmospheric pressure increases, boiling point of liquid increases, the boiling point that liquid medium vaporizes It will increase, so that liquid medium still is able to constantly absorb heat, to reach new boiling point, realizes and gas is converted by liquid State.

For the present embodiment, the motor 2 with amount of heat can be fast implemented by rotary shaft 6 to the outside of motor 2 Heat dissipation, reduces 2 temperature rise of motor, improves 2 performance of motor and reliability.At the same time, since rotary shaft 6 protrudes into cup body 1, And the lower end of installation cavity is located at the lower section of water level mark 11, therefore, the lower end of rotary shaft 6 can quickly conduct heat to slurries In, the heat dissipation of motor 2 is realized, the temperature rise of motor 2 is reduced, the heat that rotary shaft 6 distributes can be also used for heating slurries, fill Divide and efficiently utilize the energy, reduces energy loss and waste.Through research, the inventor has found that being conducted by rotary shaft 6 To slurries, the 10% of the cooked required energy of slurries can be at least accounted for heat the energy of slurries.Wherein, in the present embodiment, installation The depth that liquid level is submerged in the lower end of chamber is typically no less than 2mm.

As shown in figure 3, thermal conductor 7 or heat conductive rod, heat conductive rod such as interference are mounted in installation cavity, thermally conductive to realize Stick is directly contacted with the cavity wall of installation cavity.Heat conductive rod can also be that gap is mounted in installation cavity, the chamber of heat conductive rod and installation cavity It is filled with thermally conductive grease or heat-conducting silicone grease between wall, to realize the cavity wall mediate contact of heat conductive rod and installation cavity, this can be achieved The purpose of application, objective is without departing from the design philosophy of the utility model, and details are not described herein, should belong to the protection of the application In range.

Heat conductive rod can be copper rod or aluminium bar etc., and since 6 front end of rotary shaft needs to install grinding device 3, and rotary shaft 6 needs The high speed rotation in slurries of grinding device 3 is driven, therefore, 6 front end of rotary shaft needs reliable sealing, and needs with higher Intensity is broken to prevent spin-ended shaft 6.Therefore can be only 6 rear end of rotary shaft be arranged be open, and at this point, open rearward end not It needs to be sealed, the design structure is simple, and both ensure that 6 forward end seal of rotary shaft was reliable, will not reveal, may be used also To promote the intensity of 6 front end of rotary shaft, realize that grinding device 3 reliably rotates.

For the structure of the present embodiment, rotary shaft 6 is thick with respect to the rotary shaft 6 of ordinary food processing machine motor, Certainly, in the present embodiment, rotary shaft 6 can be fabricated to multi-diameter shaft, also, one end rotary shaft 6 connecting with 2 rotor 5 of motor is straight Diameter is thicker, and one end rotary shaft 6 connecting with grinding device 3 is relatively thin, and it is more beautiful to may be implemented exposed rotary shaft 6, is easy Cleaning.Meanwhile in the present embodiment, the internal diameter of installation cavity is generally 3mm ~ 8mm, wherein the present embodiment is preferably 5mm.

As shown in figure 3, in order to which preferably heat radiation, the opening of rear end spin 6 rear end of shaft of heat conductive rod is stretched out, is led The rear end of hot pin is also equipped with cooling fin or flabellum 10, and cooling fin or flabellum 10 by rotary shaft 6 drive rotation (Fig. 3 scheme are Food processor with head, the food processor with base are equally applicable).It is side-blown that flabellum 10 is provided towards shell 4 Wind.Cooling fin promotes 2 radiating efficiency of motor by increasing heat radiation area.

Installing in the rear end of heat conductive rod towards the flabellum 10 that shell 4 is dried can accelerate heat conductive rod to radiate, heat radiation effect Rate.Meanwhile through research, the inventor has found that, heat conductive rod stretches out 9 bottom of head lower cover, and more conducively rotary shaft 6 and slurries carries out Flash heat transfer, the lower end of heat conductive rod preferably submerge liquid level hereinafter, in this way heat transfer path it is shorter, the more conducively heat dissipation of motor 2, But if, because heat conductivity is poor as carbon steel for rotary shaft 6, the lower end of heat conductive rod is higher than when heat conductive rod is higher than liquid level The distance of liquid level is bigger, and 2 heat dissipation effect of motor is poorer, and if the lower end of heat conductive rod be higher than water level mark 11 distance be more than 10mm, the then effect that motor 2 radiates can significantly reduce, and be based on this, generally require the lower end of heat conductive rod apart from water level mark 11 Distance is not more than 10mm.

In conclusion food processor provided by the utility model, the rotary shaft of motor is provided with installation cavity, and thermal conductor is set It sets in installation cavity, when rotary shaft high-speed rotation generates amount of heat because of friction, the high temperature heat on rotor can pass through rotation Axis is conducted to thermal conductor, and the front end of rotary shaft is stretched out shell and protruded into cup body and slurry liquid contacts, allows for rotary shaft in this way On heat more quickly forward end transmit, can also be transferred in slurries more quickly, so that the temperature of motor drops Low, the reliability of motor is also guaranteed, the service performance of food processor can be more preferable.Moreover, the heat that rotary shaft distributes is also Slurries are heated, the energy is substantially effectively utilized, avoid the waste of energy.

In the description of the present application, term " installation ", " connected ", " connection ", " fixation " etc. be shall be understood in a broad sense, example Such as, " connection " may be fixed connection or may be dismantle connection, or integral connection；It can be directly connected, it can also be with Indirectly connected through an intermediary.For the ordinary skill in the art, above-mentioned art can be understood as the case may be The concrete meaning of language in this application.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the application It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with Suitable mode combines.

Although embodiment disclosed by the application is as above, the content only for ease of understanding the application and use Embodiment is not limited to the application.Technical staff in any the application fields, is taken off not departing from the application Under the premise of the spirit and scope of dew, any modification and variation, but the application can be carried out in the form and details of implementation Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.

Claims (10)

1. a kind of food processor, which is characterized in that including cup body, motor and grinding device, the motor includes being provided with to determine The shell of son and the rotary shaft for being provided with rotor, the front end of the rotary shaft are stretched out the shell and are protruded into the cup body, institute State the front end that grinding device is mounted on the rotary shaft；The motor further includes thermal conductor, and installation is provided in the rotary shaft Chamber, one end of at least described rotary shaft are provided with the opening being connected to the installation cavity, and the thermal conductor is arranged in the installation It is intracavitary.

2. food processor according to claim 1, which is characterized in that further include head, the head includes:

Head upper cover；With

Head lower cover is fitted together with the head upper cover, and the motor is mounted in the head lower cover, the rotary shaft Front end stretched out from the front end of the head lower cover, the front end of the thermal conductor is lower than the front end of the head lower cover.

3. food processor according to claim 2, which is characterized in that be provided with water level stake on the side wall of the cup body Know, the front end of the thermal conductor is identified higher than the water level, and the axis between the front end of the thermal conductor and water level mark It is not more than 10mm to distance.

4. food processor according to claim 2, which is characterized in that be provided with water level stake on the side wall of the cup body Know, the front end of the thermal conductor is identified lower than the water level.

5. food processor according to claim 1, which is characterized in that further include:

Base, the cup body are mounted on the base, and the motor is mounted in the base, the front end of the rotary shaft by The bottom wall or side wall of the cup body protrude into the cup body.

6. food processor according to any one of claim 1 to 5, which is characterized in that the thermal conductor is conductive fluid Or thermally conductive powder, the conductive fluid or thermally conductive powder are filled in the installation cavity from the opening, the opening is provided with Sealing element.

7. food processor according to any one of claim 1 to 5, which is characterized in that the thermal conductor is heat conductive rod, The heat conductive rod interference is mounted in the installation cavity, to realize that the heat conductive rod is directly contacted with the cavity wall of the installation cavity.

8. food processor according to any one of claim 1 to 5, which is characterized in that the thermal conductor is heat conductive rod, The heat conductive rod gap is mounted in the installation cavity, and conduction oil is filled between the heat conductive rod and the cavity wall of the installation cavity Rouge or heat-conducting silicone grease, to realize the cavity wall mediate contact of the heat conductive rod Yu the installation cavity.

9. food processor according to claim 8, which is characterized in that the rear end of the heat conductive rod is from after the rotary shaft The opening at end is stretched out, and the rear end of the heat conductive rod is equipped with cooling fin or flabellum.

10. food processor according to any one of claim 1 to 5, which is characterized in that the internal diameter of the installation cavity is 3~8mm.