CN208524681U - Cooking machine - Google Patents

Abstract

The utility model relates to household appliance technical fields, disclose a kind of cooking machine, the cooking machine includes the interior shaft (2) and outer shaft (3) of motor and arranged concentric, shaft and outer shaft rotation in motor driven, the inner bearing (21) and neck bush (22) of axially spaced-apart are equipped between interior shaft and outer shaft, and the wall thickness of neck bush not less than 2mm and is not more than 4mm.It is arranged such, the rotational stability of interior shaft and outer shaft can not only be improved, and coefficient of friction when interior shaft and outer shaft rotation can also be reduced, furthermore, set the wall thickness of neck bush to that 2mm~4mm can also reduce interior shaft and the probability worn occurs in outer shaft, the space occupied needed for reducing is conducive to the usage experience for improving user.

Description

Cooking machine

Technical field

The utility model belongs to household appliance technical field, and in particular, to a kind of cooking machine.

Background technique

As being constantly progressive for science and technology is constantly improve with people's living standard, the broken wall of function is beaten with twin shaft The cooking machines such as machine, soy bean milk making machine using more more and more universal.Wherein, the twin shaft of the motor rotation driving arranged concentric in cooking machine, And the intracorporal double blade of stirring cup is connected with Double-axis transmission respectively, realizes that double blade carries out whipping operation simultaneously.

Currently, in the cooking machine of twin shaft whipping type, be usually provided between the inner shaft being set with one heart and outer shaft bearing with Play the role of radial support, but the bearing arrangement is usually arranged larger, so makes occupancy needed for accommodating the bearing arrangement Space is larger, and complete machine the space occupied is caused also correspondingly to increase, so that the transportation cost and carrying cost of cooking machine are improved, Certainly, bearing arrangement volume is larger can also cause cooking machine to seem more too fat to move heaviness, influence complete machine beauty.

Utility model content

A kind of cooking machine is provided for above-mentioned insufficient or defect, the utility model in the prior art, in the cooking machine Bearing arrangement is smaller, can efficiently reduce occupied space, makes complete machine compact.

To achieve the above object, the utility model provides a kind of cooking machine, which includes motor and concentric cloth The interior shaft and outer shaft set, interior shaft described in the motor driven and outer shaft rotation, the interior shaft and the outer shaft Between be equipped with the inner bearing and neck bush of axially spaced-apart, the wall thickness of the neck bush is not less than 2mm and is not more than 4mm.

Preferably, the axis of the axial overall length of the inner bearing and the neck bush and the interior shaft and the outer shaft It is not less than 1/2 to the ratio being overlapped between length.

Preferably, the outer shaft includes the expanding end in bottom, and the inner bearing is installed on the expanding of the expanding end in the bottom It is intracavitary.

Preferably, the cooking machine includes fixed frame of the cover on the outside of the outer shaft, and the fixed frame includes having The top boss of boss inner cavity, the interior shaft and outer shaft stretch out the top boss from the boss inner cavity upwards, described Boss inner cavity is equipped with and is set between the outer shaft and the fixed frame and the outer bearing and external bushing of axially spaced-apart.

Preferably, the wall thickness of the external bushing not less than 2mm and is not more than 4mm.

Preferably, annular step surface, the bottom end of the outer bearing are formed on the expanding end in the bottom of the outer shaft It is supported in the annular step surface.

Preferably, the bottom end of the neck bush is located in the boss inner cavity, and the top of the neck bush is stretched out described convex Platform inner cavity.

Preferably, the inner bearing and the outer bearing are rolling bearings or plain bearings.

Preferably, the output shaft of the motor is the interior shaft, and the bottom surface of the fixed frame is formed with intermediate propeller shaft, The central axis of the intermediate propeller shaft is parallel with the concentric axis of the interior shaft and outer shaft, the intermediate propeller shaft It by belt wheel transmission between first end and the interior shaft, and is gear engaged transmission between second end and the outer shaft.

Preferably, the rotating ratio between the outer shaft and the interior shaft not less than 1/5 and is not more than 1.

Through the above technical solutions, in the cooking machine of the utility model, the interior shaft of motor driven arranged concentric and outer Shaft rotates, and the inner bearing and neck bush of axially spaced-apart are provided between interior shaft and outer shaft, in this way, can not only make Interior shaft and outer shaft smoothly rotate, but also can reduce the coefficient of friction between interior shaft and outer shaft；In addition, will be interior The wall thickness of bushing is set as 2mm~4mm, can reduce interior shaft and the probability worn occurs in outer shaft, but also can reduce The space occupied needed for interior shaft and outer shaft, in this way, while improving the service life of interior shaft and outer shaft, moreover it is possible to Enough make complete machine more compact, the usage experience of user can be greatlyd improve.

Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.

Detailed description of the invention

Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 is that a kind of interior shaft of preferred embodiment of the utility model and outer shaft are installed on the section view in fixed frame Figure.

Description of symbols:

3 outer shaft of shaft in 2

4 fixed frames

21 inner bearing, 22 neck bush

31 outer bearing of belt wheel in 23

32 external bushing, 33 external gear

41 top boss, 42 intermediate propeller shaft

421 counter wheel, 422 intermediate gear

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.

In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually Be for direction shown in the drawings either for it is vertical, vertically or on gravity direction for each component mutual alignment Relationship description word.

The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

The utility model provides a kind of cooking machine, and referring to Fig.1, cooking machine includes the interior shaft 2 of motor and arranged concentric With outer shaft 3, shaft 2 and outer shaft 3 rotate in motor driven, and the inner shaft of axially spaced-apart is equipped between interior shaft 2 and outer shaft 3 21 and neck bush 22 are held, the wall thickness of neck bush 22 not less than 2mm and is not more than 4mm.

In the technical solution of the utility model, inner blade is separately installed in the interior shaft 2 and outer shaft 3 of arranged concentric With outer blade, and double blade (i.e. inner blade and outer blade) is mounted in the stirring cup body of cooking machine, is passed through motor rotation and is driven Dynamic dual output shaft (shaft 2 and outer shaft 3 in i.e.) drives double blade operation to be simultaneously placed in stirring cup body to beat in turn Food.Wherein, it is additionally provided with inner bearing 21 between interior shaft 2 and outer shaft 3, turned in this way, dual output can not only be given Axis is with radial support, to improve the rotating accuracy of dual output shaft, and dual output shaft can also be effectively reduced and rotating through Coefficient of friction in journey, so that dual output shaft be promoted swimmingly to rotate；In addition, to improve the slow-roll stabilization of dual output shaft Property, to further increase the rotating accuracy of interior shaft 2 and outer shaft 3, it is preferable that be additionally provided with liner between dual output shaft Set 22, and the neck bush 22 and 21 axially spaced-apart of inner bearing are arranged.Further, the wall thickness of neck bush 22 should not less than 2mm and No more than 4mm, specifically, oilhole is usually provided on the internal perisporium of neck bush 22, therefore, if neck bush 22 is arranged It is thin, then the oil reserve of oilhole can be reduced, causes not being able to maintain sufficient lubrication between dual output shaft, to be easier to make lose-lose There is the situation worn in shaft out, in this way, the rotational stability of dual output shaft can be greatly reduced, influences making for dual output shaft Use the service life；If being arranged blocked up by neck bush 22 certainly, the structure of outer shaft 3 can be made excessively huge, cause dual output shaft Required the space occupied is larger, and then increases the space of storage complete machine.To sum up, the wall thickness of neck bush 22 is preferably set to 2mm~4mm, the situation that can not only effectively avoid dual output shaft from occurring wearing, raising dual output shaft or even complete machine make With the service life, but also the space occupied needed for dual output shaft can be reduced, make complete machine compact, is conducive to improve user's Usage experience.

Further, more steady to rotate dual output shaft, it is preferable that the axial direction of inner bearing 21 and neck bush 22 Ratio between total length and interior shaft 2 and the axially coincident length of outer shaft 3 should be not less than 1/2.

Specifically, outer shaft 3 includes the expanding end in bottom, and referring to Fig.1, inner bearing 21 is installed on the expanding chamber at the expanding end in bottom Interior namely inner bearing 21 is located at the lower section of neck bush 22, and certainly, inner bearing 21 is in addition to can be set in the interior bottom of chamber of outer bearing 31 Portion, also optionally set on positions such as the inner cavity tops of outer bearing 31, details are not described herein.

Preferably, referring to Fig.1, cooking machine further includes the cover in the fixed frame 4 in 3 outside of outer shaft, and fixed frame 4 includes having The top boss 41 of boss inner cavity, interior shaft 2 and outer shaft 3 stretch out top boss 41, and boss inner cavity from boss inner cavity upwards Equipped with being set between outer shaft 3 and fixed frame 4 and the outer bearing 31 and external bushing 32 of axially spaced-apart.Wherein, fixed frame 4 is firm Ground is fixedly installed in the casing of cooking machine, therefore, the dual output shaft that will be set with one heart by outer bearing 31 and external bushing 32 It is rotatably mounted on the fixed frame 4, dual output shaft and fixed frame 4 can be made to be formed as a unified entirety, in turn Rotate dual output shaft more smoothly.In addition, by the way that outer bearing 31 is arranged between outer shaft 3 and fixed frame 4, While dual output shaft is given with radial support, additionally it is possible to coefficient of friction of the outer shaft 3 in rotary operation is reduced, in this way, The rotating accuracy for not only contributing to improve dual output shaft, also makes outer shaft 3 swimmingly carry out rotary operation.Further, exist External bushing 32 is additionally provided between outer shaft 3 and fixed frame 4, and the external bushing 32 and 3 axially spaced-apart of outer shaft are arranged, in this way, It can make dual output shaft that there is better rotational stability, to be conducive to improve the rotating accuracy of dual output shaft, in turn It can avoid dual output shaft and the unstable situation of transmission occur, improve the usage experience of user.

Further, the wall thickness of external bushing 32 should be not less than 2mm and no more than 4mm.It is to be appreciated that by external bushing 32 Wall thickness parameter preferably within this range, can not only avoid external bushing 32 from wearing, moreover it is possible to reduce accommodating dual output shaft and consolidate Determine the space of frame 4, in this way, being conducive to improve the service life of dual output shaft or even complete machine, can also make complete machine compact. Moreover it is preferred that inner bearing 21 and outer bearing 31 are rolling bearings or plain bearings.

Specifically, it is formed with annular step surface on the expanding end in the bottom of outer shaft 3, referring to Fig.1, the bottom end branch of outer bearing 31 Support is in annular step surface, so set, the annular step surface of outer shaft 3 can give outer bearing 31 with axial support, favorably In the stability of rotation for improving outer shaft 3, and then improve the rotating accuracy of outer shaft 3 or even interior shaft 2.

In addition, referring to Fig.1, the bottom end of neck bush 22 is located in boss inner cavity, boss inner cavity is stretched out on the top of neck bush 22, In this way, fixed frame 4 can give neck bush 22 with radial support, is conducive to dual output shaft and is smoothly rotated, also favorably In the situation for improving the rotating accuracy of dual output shaft, and then avoiding the appearance transmission of dual output shaft unstable.

Specifically, the dual output shaft of motor rotation driving arranged concentric can be there are many mode appropriate, such as motor Output shaft be interior shaft 2 or motor output shaft respectively with interior shaft 2 and outer shaft 3 by gear engaged transmission, or arrange Contain a pair of of motor in machine and respectively drive interior shaft 2 and the rotation of outer shaft 3 etc., no longer enumerates herein.

Preferably, referring to Fig.1, the output shaft of motor is interior shaft 2, and the bottom surface of fixed frame 4 is formed with intermediate propeller shaft 42, the central axis of intermediate propeller shaft 42 is parallel with the concentric axis of interior shaft 2 and outer shaft 3, and the of intermediate propeller shaft 42 It by belt wheel transmission between one end and interior shaft 2, and is gear engaged transmission between second end and outer shaft 3.Specifically, relatively In other set-up modes (as interior shaft 2 by shaft coupling component indirectly with the output shaft of motor transmission be connected or motor Output shaft connects driving dual output shaft etc. simultaneously), the output shaft of motor is arranged directly as interior shaft 2, production technology compared with To be simple, and it is also beneficial to improve the reliability of complete machine.In addition, outer shaft 3 is driven phase by above-mentioned transmission mechanism and interior shaft 2 Even, it can not only make the velocity ratio between outer shaft 3 and interior shaft 2 with plurality of specifications, but also outer shaft 3 can be made opposite It is reversely rotated in interior shaft 2.

Wherein, the first end of intermediate propeller shaft 42 is equipped with counter wheel 421, and interior shaft 2 is correspondingly provided with interior belt wheel 23, interior Belt wheel 23 is connected with counter wheel 421 by transmission belt；And the second end of intermediate propeller shaft 42 is equipped with and is connected with counter wheel 421 Intermediate gear 422, outer shaft 3 is correspondingly provided with external gear 33, and intermediate gear 422 engages external gear 33, so set, can It reversely rotates outer shaft 3 relative to interior shaft 2, to make inner blade and outer blade that there is opposite direction of rotation, is conducive to The degree of grinding of food is improved, and then promotes the crushing juice rate of food and drinks mouthfeel.

It is of course possible to the transmission mechanism of speed change commutation can also be for other forms, such as planetary gear mechanism etc., as long as It has the function of speed change commutation.Specifically, transmission mechanism is planetary gear mechanism, and planetary gear mechanism includes the sun Wheel, planet carrier and outer gear ring, sun gear and interior shaft 2 are sequentially connected, and planet carrier connection driving outer shaft 3, outer gear ring is fixed.

Preferably, be capable of speed change commutation transmission mechanism its be driven series be preferably not greater than second level, it is possible to understand that ground, pass Dynamic series is more, and the space occupied needed for speed change reversing mechanism is more, and series is more, and speed change reversing mechanism is sent out when running Noise out is also more, influences the usage experience of user, certainly, is driven the increase of series, can also reduce the reliability of complete machine.

In addition, outer shaft 3 is reversely rotated relative to interior shaft 2, even if inner blade and outer blade have opposite rotation side To can greatly improve double blade for the cutting speed of food particle, have in this way, the positive and negative two-speed of double blade is superimposed It is more fine crushing conducive to food cutting is obtained, and then promote the crushing juice rate of food and drink mouthfeel.In other words, above-mentioned dual output is turned The cooking machine that axis reversely rotates, the revolving speed (such as downgrade original motor speed 1/2) for substantially downgrading motor also can reach lose-lose Out the whipping crushing effect of food can also be made to arrange equipment in this way, by turning down motor speed when shaft rotating Vortex Standby original food crushing effect, and the noise issued when motor body operation can also be reduced by downgrading motor speed.This Outside, motor speed declines, additionally it is possible to promote the revolving speed of double blade also accordingly to decline, when being also beneficial to reduce double blade cutting food Vibrating noise.

Specifically, the rotating ratio between outer shaft 3 and interior shaft 2 should so, it is possible to make double not less than 1/5 and no more than 1 Blade will be placed in the intracorporal food cutting of stirring cup and obtain more fine crushing, while squeezing out more food juice, can also make The drink mouthfeel that whipping obtains is more fine and smooth, is conducive to the usage experience for improving user.Further, outer shaft 3 and interior shaft 2 Between rotating ratio should not less than 1/3 and be not more than 3/4.It is to be appreciated that the rotating ratio between output revolving shaft is bigger, then double-pole Piece is better for the whipping crushing effect of food, but also will increase food and hit stirring cup body under the drive of high speed double blade Speed, and then increase noise, therefore, preferably within this range by the rotating ratio parameter between output revolving shaft, not only have preferable Whipping crushing effect, and beat operation when noise it is also smaller.

It should be strongly noted that according to other compositions of the cooking machine in the utility model embodiment and effect for All be for those skilled in the art it is known, in order to reduce redundancy, be not repeated herein.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

It is further to note that specific technical features described in the above specific embodiments, in not lance It in the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the utility model is to each No further explanation will be given for the possible combination of kind.

In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.

Claims (10)

1. a kind of cooking machine, which is characterized in that the cooking machine includes the interior shaft (2) and outer shaft of motor and arranged concentric (3), interior shaft (2) described in the motor driven and outer shaft (3) rotation, between the interior shaft (2) and the outer shaft (3) The wall thickness of inner bearing (21) and neck bush (22) equipped with axially spaced-apart, the neck bush (22) not less than 2mm and is not more than 4mm。

2. cooking machine according to claim 1, which is characterized in that the axis of the inner bearing (21) and the neck bush (22) It is not less than 1/2 to the ratio between total length and the interior shaft (2) and the axially coincident length of the outer shaft (3).

3. cooking machine according to claim 1, which is characterized in that the outer shaft (3) includes the expanding end in bottom, described interior Bearing (21) is installed on the expanding intracavitary of the expanding end in the bottom.

4. cooking machine according to claim 3, which is characterized in that the cooking machine includes the cover in the outer shaft (3) The fixed frame (4) in outside, the fixed frame (4) include the top boss (41) with boss inner cavity, the interior shaft (2) and outer Shaft (3) stretches out the top boss (41) from the boss inner cavity upwards, and the boss inner cavity, which is equipped with, is set in described outer turn Between axis (3) and the fixed frame (4) and the outer bearing (31) and external bushing (32) of axially spaced-apart.

5. cooking machine according to claim 4, which is characterized in that the wall thickness of the external bushing (32) is not less than 2mm and not Greater than 4mm.

6. cooking machine according to claim 4, which is characterized in that shape on the expanding end in the bottom of the outer shaft (3) At there is annular step surface, the bottom end of the outer bearing (31) is supported in the annular step surface.

7. cooking machine according to claim 4, which is characterized in that the bottom end of the neck bush (22) is located in the boss In chamber, the boss inner cavity is stretched out on the top of the neck bush (22).

8. cooking machine according to claim 4, which is characterized in that the inner bearing (21) and the outer bearing (31) are rolling Dynamic bearing or sliding bearing.

9. the cooking machine according to any one of claim 4~8, which is characterized in that the output shaft of the motor is institute It states interior shaft (2), the bottom surface of the fixed frame (4) is formed with intermediate propeller shaft (42), the center of the intermediate propeller shaft (42) Axis is parallel with the concentric axis of the interior shaft (2) and outer shaft (3), the first end of the intermediate propeller shaft (42) and institute It states by belt wheel transmission between interior shaft (2), and is gear engaged transmission between second end and the outer shaft (3).

10. cooking machine according to claim 1, which is characterized in that between the outer shaft (3) and the interior shaft (2) Rotating ratio not less than 1/5 and be not more than 1.